Adjustable steel arch rib construction operation method and platform

Abstract

Provided is an adjustable steel arch rib construction operation method and platform, comprising the following steps: installing a mounting base on a steel arch rib segment - adjusting and fixing the leg position - hoisting and connecting the steel arch rib segment - adjusting the pedal - construction workers standing on the pedal for construction. The inclination adjustment unit of the present invention adjusts the fulcrum height to adaptively adjust the inclination of the fulcrum of the operating platform as the inclination of the arch rib of the secondary parabola of the arch axis changes; the pedal in the pedal adjustment unit can be manually moved up and down along a vertical slide to adjust the height of the pedal; the operating platform is assembled by bolt connection, which is convenient for installation and disassembly, can greatly improve production efficiency, and reduce the occupation of hoisting equipment during the hanging process of the operating platform; the present invention has a simple structure, is easy to make, uses less materials, and is economical, safe, practical, and efficient.

Description

Technical Field

[0001] The invention belongs to the technical field of fixed building bridge segment assembly methods and equipment, and in particular relates to an adjustable steel arch rib construction operation method and platform. Background Art

[0002] Steel arch bridges have been increasingly used in urban bridge construction in recent years due to their good load-bearing performance and beautiful landscape performance. During the manufacturing process of steel arch bridges, in order to ensure the manufacturing quality of the steel arch ribs, the main load-bearing structure of the arch bridge, the steel arch ribs generally need to be made into segments at the manufacturing plant first, and then transported to the bridge site for connection.

[0003] Under the existing technology, during the connection of steel arch rib bridge sections, the construction environment of the annular seam of the steel arch rib bridge section is complex, and most of the work is done at high altitude. Therefore, a large number of construction operation platforms have to be used. Although the traditional shoulder pole type operation platform can meet the basic construction requirements, it has the following shortcomings: 1. Since the arch axis mostly adopts a secondary parabola, the inclination of the arch rib changes with the change of the longitudinal displacement, and the angle adjustment of the construction operation platform is difficult; 2. During the installation process, it is difficult for workers to stand, the safety risk is high, and the installation efficiency is extremely low; 3. During the use of the operation platform, it is difficult to change the position of the pedal and the installed auxiliary pedal is very easy to fall, which poses a great safety risk. In this regard, the following technical solutions are proposed. Summary of the invention

[0004] The technical problem solved by the present invention is to provide an adjustable steel arch rib construction operation method and platform to solve the technical problems that the steel arch rib annular seam construction operation platform cannot adjust the angle, workers have difficulty in standing, the installation risk is high, and the installation efficiency is low.

[0005] The technical solution adopted by the present invention: an adjustable steel arch rib construction operation method, comprising the following steps:

[0006] S001. Install the mounting base on the steel arch rib segment: Position and weld the mounting base on the upper end surface of the steel arch rib segment according to the inclination angle of the steel arch rib segment, the position of the circumferential weld and the position of the main legs of the operating platform;

[0007] S002. Adjust and fix the position of the outriggers: calculate the inclination angle of the inclination adjustment unit when the operating platform body is in a vertical state through computer simulation, and calculate the length of the outriggers under the inclination angle to adjust the position of the outriggers, and fix the outriggers with the adjusted length positions on the top of the operating platform body using outrigger bolts;

[0008] S003, hoisting and connecting the steel arch rib segment: hoist the steel arch rib segment with the mounting base installed in step S001 into place using hoisting equipment, and fasten the mounting base of the steel arch rib segment and the bottom end of the leg with the length adjusted in step S002 together using base bolts;

[0009] S004. Adjust the pedal: manually adjust the height of the pedal in the pedal adjustment unit according to the height of the construction position, and place the pedal on the pedal support frame to fix the pedal position; the construction workers stand on the pedal for construction.

[0010] It also includes an adjustable steel arch rib construction operation platform used in an adjustable steel arch rib construction operation method, the platform includes an operation platform body, and an inclination adjustment unit is installed on the top of the operation platform body; the inclination adjustment unit adaptively adjusts the height of the inclination adjustment unit's legs according to the inclination change of the steel arch rib segment, and the bottom end of the leg is connected to the steel arch rib segment as a whole; a pedal adjustment unit is installed in the middle of the operation platform body; the pedal adjustment unit adaptively adjusts the height of the construction position by adjusting the pedal height.

[0011] In the above technical scheme, further: the main body of the operating platform is a supporting frame structure with left-right symmetry; two inclination adjustment units are respectively installed on the top of each left-right symmetric operating platform body; the four inclination adjustment units respectively have four vertically installed legs, and the bottom ends of the four legs are inclined and coplanar to connect the inclined upper end surface of the steel arch rib segment.

[0012] In the above technical scheme, further: an installation platform is provided at the bottom end of the operating platform body, the upper end surface of the installation platform is vertically fixedly connected to a hollow and vertically arranged platform frame, and a leg installation hole I is formed on the inner side of the top end of the platform frame; a plurality of leg installation holes II are formed in a longitudinal row along the vertical direction of the leg; a leg bolt is used at the top end of the platform frame to pass through the leg installation hole I and the leg installation hole II and then the nut is screwed in, so that the leg of the inclination adjustment unit can be adjusted and vertically fixed at the top end of the platform frame; the bottom end of the leg is fixedly connected to the upper end surface of the steel arch rib segment.

[0013] In the above technical solution, further: the main body of the operating platform is made of angle steel, round steel, square steel, I-beam and steel plate welded together.

[0014] In the above technical scheme, further: the inclination adjustment unit has a vertically arranged leg, and the leg is provided with a plurality of longitudinal leg mounting holes II along the vertical length direction of the leg; the plurality of longitudinal leg mounting holes II are used to adjust the vertical installation height of the leg at the top of the operating platform body; the inclination adjustment unit has a mounting base, and the mounting base is fastened to the leg as a whole by using base bolts; the mounting base is fixedly mounted on the upper end surface of the steel arch rib segment.

[0015] In the above technical scheme, further: the mounting base is a double-ear plate structure; the double-ear plate structure is provided with coaxially opposite ear plate through holes Ⅰ; the bottom end of the double-ear plate structure is vertically fixedly connected to the ear plate mounting plate; the ear plate mounting plate is welded and fixedly connected to the upper end surface of the steel arch rib segment as a whole, so as to fix the mounting base on the upper end surface of the steel arch rib segment; the leg mounting hole Ⅱ at the lowest end of the bottom end of the leg is used as the ear plate through hole Ⅱ; the mounting base uses base bolts to pass through the ear plate through hole Ⅰ and the ear plate through hole Ⅱ to fasten the double-ear plate structure of the mounting base to the bottom end of the leg as a whole.

[0016] In the above technical solution, further: the inclination adjustment unit is made by welding I-beams and steel plates and then making holes.

[0017] In the above technical solution, further: the pedal adjustment unit has a pedal and a slide; the slide is vertically fixedly installed along the vertical direction of the operating platform body; a roller is arranged in the slide; the roller is rotatably installed at one end of the pedal; the pedal is turned 90° around the roller; the pedal is raised and lowered along the slide; pedal bosses are formed at both ends of the pedal, and a plurality of pedal support frames are arranged in the vertical direction of the operating platform body;

[0018] Several layers of pedal support frames are horizontally adapted to support the pedal bosses to prevent the pedals from falling.

[0019] In the above technical solution, further: the pedal support frame is an L-shaped angle steel structure; the L-shaped angle steel structure is fixedly installed symmetrically on the left and right axes of the operating platform body.

[0020] The advantages of the present invention compared with the prior art are:

[0021] 1. The inclination adjustment unit of the present invention adjusts the fulcrum height to adaptively adjust the inclination of the operating platform fulcrum as the inclination of the arch rib of the secondary parabola of the arch axis changes, so that the angle of the construction operating platform is always in a vertical state relative to the installation position, ensuring construction safety; furthermore, as the main force-bearing structure, the operating platform, on the one hand, provides construction space for construction personnel, and on the other hand, when the inclination of the arch axis changes, the operating platform, which is always in a vertical state, is in the most favorable force-bearing state, facilitating the rapid and safe construction.

[0022] 2. The pedal in the pedal adjustment unit of the present invention can be manually moved up and down along the vertical slide to adjust the height position of the pedal. The pedal can be folded and retracted, and the folding and retraction is convenient. It can also be moved up and down along the pedal slide to reduce the risk of the pedal falling. At the same time, the pedal can be easily changed in position. Construction standing on the pedal is safe, stable, reliable and efficient.

[0023] 3. The operating platform of the present invention is assembled by bolt connection, and the support legs and steel arch rib segment mounting seats, as well as the support leg height adjustment, are convenient to install and disassemble, which can greatly improve production efficiency and reduce the occupation of hoisting equipment during the hanging process of the operating platform.

[0024] 4. The operating platform of the present invention has a simple structure, is easy to manufacture, uses less materials, and is economical, safe, practical, and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional diagram of the pedal of the present invention in a folded state;

[0026] Figure 2 It is a three-dimensional diagram of the pedal of the present invention in an unfolded state;

[0027] Figure 3 It is a stereoscopic diagram of the steel arch rib segment in the state of being connected with the present invention;

[0028] Figure 4 For the present invention Figure 1 An enlarged detailed structural diagram of the middle pedal adjustment unit;

[0029] Figure 5 For the present invention Figure 3 A three-dimensional view of the upper end surface of the steel arch rib segment after the installation base is installed;

[0030] Figure 6 A three-dimensional diagram of the steel arch rib segment of the present invention after the installation base and the support legs are connected;

[0031] Figure 7 For the present invention Figure 2 A schematic diagram of the enlarged detail structure of part A;

[0032] Figure 8 It is a front view of the pedal of the present invention in a folded state;

[0033] Fig. 9 It is a front view of the pedal of the present invention in a rotating state;

[0034] Fig.10 It is a front view of the pedal of the present invention in the unfolded state.

[0035] In the figure: 1-operating platform body, 2-tilt adjustment unit, 3-pedal adjustment unit, 4-steel arch rib segment; 11-mounting platform, 12-platform frame, 13-leg mounting hole I, 15-leg bolt, 16-pedal support frame; 21-leg, 22-mounting base, 23-base bolt;

[0036] 211-leg mounting hole II, 221-double ear plate structure, 222-ear plate through hole I, 223-ear plate mounting flat plate; 31-pedal, 32-slideway, 33-roller, 34-pedal boss. DETAILED DESCRIPTION

[0037] The following will be combined with the attached embodiment of the present invention Figure 1-10, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] The adjustable steel arch rib construction operation method includes the following steps:

[0039] (like Figure 5 Step S001, installing the mounting base 22 on the steel arch rib segment 4: positioning and welding the mounting base 22 on the upper end surface of the steel arch rib segment 4 according to the inclination angle of the steel arch rib segment 4, the position of the circumferential weld and the position of the legs 21 of the operating platform body 1. Generally, four mounting bases 22 are positioned and welded on the upper end surface of the steel arch rib segment 4. The positions of the four mounting bases 22 should correspond to the positions of the four legs 21 one by one, and they should be welded and fixed, and installed securely to prevent the occurrence of falling accidents.

[0040] (like Figure 1 , Figure 2 Step S002, adjusting and fixing the position of the legs 21: Calculate the inclination angle of the inclination adjustment unit 2 when the operating platform body 1 is in a vertical state through computer simulation, and calculate the respective lengths of the four legs 21 under the inclination angle to adjust the height position of the four legs 21, and fix the legs 21 at the top of the operating platform body 1 using the leg bolts 15 (combined with Figure 4 As shown in FIG. 1 ), the inclination angle of the inclined plane determined by the coplanar bottom ends of the four legs 21 is exactly equal to the inclination angle of the steel arch rib segment 4, and the platform body 1 is prepared to be fixedly connected to the steel arch rib segment 4 through the legs 21.

[0041] (like Figure 3 Step S003, hoisting and connecting the steel arch rib segment 4: hoist the steel arch rib segment 4 with the mounting base 22 installed in step S001 into place using a hoisting device, and fasten the mounting base 22 of the steel arch rib segment 4 and the bottom end of the leg 21 adjusted in length in step S002 together using base bolts 23 (combined with Figure 6 , Figure 7 The steel arch rib segment 4 is fixedly connected to the support leg 21 by means of base bolts 23).

[0042] (like Figure 2 Step S004: Adjust the pedal 31: Manually lift or move down the pedal adjustment unit 3 to adjust the height of the pedal 31 according to the height of the construction site (combined with Fig. 9 ), and the pedal 31 is placed on the pedal support frame 16 to fix the pedal position (combined with Fig.10 ); Construction workers stand on the pedal 31 to carry out construction.

[0043] Standing on the pedal for construction provides large standing space and freedom of construction, meeting the requirements of reliable, efficient and safe construction.

[0044] (like Figure 1-Figure 10 ) also includes an adjustable steel arch rib construction operation platform used in the adjustable steel arch rib construction operation method.

[0045] The platform includes an operating platform body 1. In the above embodiment, further: the operating platform body 1 is a left-right axisymmetric support frame structure. The left-right axisymmetric support frame structure has a large construction position and adjustment installation space, stable support, simple structure, lightweight support, and convenient transfer and movement.

[0046] Two tilt adjustment units 2 are respectively installed on the top of each operating platform body 1 which is symmetrical with respect to the left and right axes; the four tilt adjustment units 2 respectively have four vertically installed legs 21, the bottom ends of the four legs 21 are tilted and coplanar, and the bottom ends of the four legs 21 are used to connect the inclined upper end surface of the steel arch rib segment 4 (such as Figure 3 shown).

[0047] The inclined upper end surface of the steel arch rib segment 4 is connected by using four coplanar legs 21, which has many connection points, reliable connection, uniform force and stable connection.

[0048] In the above embodiment, further: the bottom end of the operating platform body 1 has an installation platform 11. The installation platform is used to provide a horizontal support surface to provide support for the vertical installation of the operating platform body 1. The installation platform 11 is made of a steel plate, and a plurality of reinforcing ribs are welded and fixedly connected to the bottom end of the steel plate, and the reinforcing ribs are made of angle steel.

[0049] The upper end surface of the mounting platform 11 is vertically fixedly connected to a hollow and vertically arranged platform frame 12. The hollow platform frame 12 is made of angle steel, square steel, round steel, and I-beam by welding. Among them, the bottom of the platform frame 12 is welded with angle steel to form a multi-layer frame structure to support the pedal 31 described later. The top of the platform frame 12 is welded and fixedly connected to the I-beam, and the I-beam is used to fasten the adjustable height support leg 21 through the square steel. The top of the I-beam is welded and fixedly connected to a fence structure made of welded round steel. The inner front end of the I-beam extends horizontally, and the extended end is welded and fixedly connected to the square steel. The square hole of the square steel is vertically arranged. The square hole of the square steel provides a vertical linear guide for the vertical lifting of the support leg 21 to ensure that the support leg 21 is installed vertically.

[0050] The top inner side of the platform frame 12 is provided with a leg mounting hole Ⅰ13; the leg 21 is provided with a plurality of leg mounting holes Ⅱ211 arranged in a longitudinal row along the vertical direction of the leg; the leg bolt 15 is passed through the leg mounting hole Ⅰ13 and the leg mounting hole Ⅱ211 at the top of the platform frame 12 and then the nut is screwed in, so that the leg 21 (combined with the leg bolt 15) of the tilt adjustment unit 2 can be vertically fixedly installed at the top of the platform frame 12. Figure 4 , Figure 7 ); the bottom end of the support leg 21 is fastened to the upper end surface of the steel arch rib segment 4.

[0051] In the above embodiment, further: the operating platform body 1 is made of angle steel, round steel, square steel, I-beam and steel plate by welding. The material is readily available, the production is easy, the structure is firm, and it is economical and practical.

[0052] The inclination adjustment unit 2 is installed at the top of the operating platform body 1; the inclination adjustment unit 2 adaptively adjusts the height of the support leg 21 of the inclination adjustment unit 2 according to the inclination change of the steel arch rib segment 4, and the bottom end of the support leg 21 is connected to the steel arch rib segment 4 as a whole.

[0053] In the above embodiment, further: the tilt angle adjustment unit 2 has a vertically arranged support leg 21, and the support leg 21 is made of an I-beam. The I-beam is arranged vertically.

[0054] The legs 21 are provided with a plurality of longitudinal leg mounting holes II211 along the vertical length direction of the legs; the plurality of longitudinal leg mounting holes II211 are used to adjust the vertical mounting height of the legs 21 on the top of the operating platform body 1. The legs are fixedly mounted with holes, which has a simple structure, is easy to manufacture, and is convenient to disassemble and assemble.

[0055] (like Figure 5 , Figure 6 The tilt adjustment unit 2 has a mounting base 22, and the mounting base 22 is fastened to the support leg 21 by a base bolt 23 (as shown in FIG. Figure 7 The mounting base 22 is fixedly mounted on the upper end surface of the steel arch rib segment 4 (as shown); Figure 3 , Figure 5 shown).

[0056] (like Figure 6 In the above embodiment, further: the mounting base 22 is a double-ear plate structure 221; the double-ear plate structure 221 is provided with coaxially opposite ear plate through holes Ⅰ222 (combined with Figure 7 ); the bottom end of the double ear plate structure 221 is vertically fixedly connected to the ear plate mounting plate 223; the ear plate mounting plate 223 is welded and fixedly connected to the upper end surface of the steel arch rib segment 4 as a whole, welded and fixedly connected, so that the mounting base 22 is fixedly installed on the upper end surface of the steel arch rib segment 4 (combined with Figure 5); the leg mounting hole II211 at the bottom of the leg 21 is used as the ear plate through hole II; the mounting base 22 uses the base bolt 23 to pass through the ear plate through hole I222 and the ear plate through hole II to fasten the double ear plate structure 221 of the mounting base 22 to the bottom of the leg 21 as a whole. The mounting base 22 and the leg 21 are fastened and fixedly connected by the base bolt 23, which is convenient for disassembly and assembly, and convenient for adjustment. The installation angle of the inclination adjustment unit 2 can be adaptively adjusted according to the inclination change of the inclined plane determined by the four legs, so that no matter how the inclination of the steel arch rib segment 4 changes, the operating platform body 1 is always set vertically, which is convenient for safe construction and standing.

[0057] In the above embodiment, further: the tilt angle adjustment unit 2 is made by welding an I-beam and a steel plate and then making holes. Among them, the I-beam is used to improve the structural support strength, and the material is easy to obtain. The I-beam and the steel plate are made into a mounting base 22 by making holes, and the material is easy to obtain, easy to make, convenient to connect, and easy to disassemble and assemble.

[0058] A pedal adjustment unit 3 is installed in the middle of the operating platform body 1; the pedal adjustment unit 3 can adjust the height of the construction station by adjusting the height of the pedal 31 to adaptably adjust the height.

[0059] (like Figure 1 , Figure 2 As shown in the above embodiment, further: the pedal adjustment unit 3 has a pedal 31 and a slide 32.

[0060] The slideway 32 is vertically fixedly installed along the vertical direction of the operating platform body 1. The slideway is made of channel steel. The pedal is made of steel plate.

[0061] A roller 33 is disposed in the slideway 32 ; the roller 33 is adapted to the slideway 32 by rolling friction, and the roller rolls vertically up and down along the slideway to adjust the height position of the pedal.

[0062] The roller 33 is rotatably mounted at one end of the pedal 31. Figures 8 to 9 The roller 33 is rotatably mounted at one end of the roller shaft by a bayonet, and a sleeve or bearing is installed at the other end of the roller shaft. The other end of the roller shaft is rotatably connected to the inner hole of the end of the pedal 31 through the sleeve or bearing. The pedal 31 can be turned 90° relative to the roller shaft and the roller 33 through the sleeve or bearing. That is, the pedal 31 turns 90° around the roller.

[0063] The pedal 31 moves up and down along the slideway 32 (such as Figure 8 , Fig. 9 The pedal 31 is provided with a pedal boss 34 at both ends, and the operating platform body 1 is provided with several layers of pedal support frames 16 in the vertical direction; several layers of the pedal support frames 16 are adapted to support the pedal boss 34 horizontally to prevent the pedal 31 from falling (as shown in FIG. Fig.10 shown).

[0064] In the above embodiment, further: the pedal support frame 16 is an L-shaped angle steel structure; the L-shaped angle steel structure is fixedly installed symmetrically on the left and right axes of the operating platform body 1.

[0065] The working principle of the present invention is as follows: the main body of the operating platform is the main force-bearing structure, providing construction space for construction personnel; the inclination adjustment unit is used to ensure that the operating platform is always in the most favorable force-bearing state when the inclination of the arch axis changes; the pedal adjustment unit is composed of a pedal and a slideway fixed on the main body of the operating platform, and the pedal can be manually moved up and down along the slideway. The height of the two fulcrums is adjusted by the inclination adjustment unit, thereby realizing the fixed connection between the operating platform and the steel arch rib segment, and making the operating platform always in a vertical state. The adjustment of the legs and the steel arch rib segment, as well as the height of the legs, are all achieved through bolt connections, ensuring efficient installation and disassembly of the construction operating platform. The pedal slideway ensures that the pedal is easy to change position, and the pedal is installed horizontally on the operating platform and is not easy to fall off. The construction operating platform can be safely and efficiently installed and dismantled, and the platform is economical and practical, stable and reliable, easy to adjust, and suitable for promotion.

[0066] From the above description, it can be found that the inclination adjustment unit of the present invention adjusts the fulcrum height to adaptively adjust the inclination of the operating platform fulcrum as the inclination of the arch rib of the secondary parabola of the arch axis changes, so that the angle of the construction operating platform is always in a vertical state relative to the installation position, ensuring construction safety; furthermore, the operating platform, as the main force-bearing structure, on the one hand provides construction space for construction personnel, and on the other hand, when the inclination of the arch axis changes, the operating platform that is always in a vertical state is in the most favorable force-bearing state, which facilitates the rapid and safe construction.

[0067] The pedal in the pedal adjustment unit of the present invention can be manually moved up and down along the vertical slide to adjust the pedal height position. The pedal can be folded and retracted, and the folding and retraction is convenient. It can also be moved up and down along the pedal slide to reduce the risk of the pedal falling. At the same time, the pedal is convenient to change its position. Construction standing on the pedal is safe, stable, reliable and efficient.

[0068] The operating platform of the present invention is assembled by bolt connection, and the support legs and steel arch rib segment mounting seats, as well as the support leg height adjustment, are convenient to install and disassemble, which can greatly improve production efficiency and reduce the occupancy of hoisting equipment during the hanging process of the operating platform.

[0069] In summary, the operating platform of the present invention has a simple structure, is easy to manufacture, uses less materials, and is economical, safe, practical, and efficient.

[0070] Each embodiment in this specification is described in a related manner, and the same or similar parts between the embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0071] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. The adjustable steel arch rib construction operation method is characterized by: The steps include: S001. Installing a mounting base (22) on the steel arch rib segment (4): positioning and welding the mounting base (22) on the upper end surface of the steel arch rib segment (4) according to the inclination angle of the steel arch rib segment (4), the position of the circumferential weld and the position of the legs (21) of the operating platform body (1); S002, adjusting and fixing the position of the support leg (21): calculating the inclination angle of the inclination adjustment unit (2) when the operating platform body (1) is in a vertical state through computer simulation, and calculating the length of the support leg (21) at the inclination angle to adjust the position of the support leg (21), and fixing the support leg (21) at the top of the operating platform body (1) using the support leg bolt (15); S003, hoisting and connecting the steel arch rib segment (4): using a hoisting device to hoist the steel arch rib segment (4) with the mounting base (22) installed in step S001 into place, and fastening the mounting base (22) of the steel arch rib segment (4) and the bottom end of the leg (21) whose length is adjusted in step S002 together with the base bolts (23); S004, adjusting the pedal (31): manually adjusting the height of the pedal (31) in the pedal adjustment unit (3) according to the height of the construction site, and placing the pedal (31) on the pedal support frame (16) to fix the position of the pedal; the construction worker stands on the pedal (31) to perform construction; The adjustable steel arch rib construction operation platform comprises an operation platform body (1), wherein an inclination adjustment unit (2) is installed at the top of the operation platform body (1); the inclination adjustment unit (2) adaptively adjusts the height of a leg (21) of the inclination adjustment unit (2) according to the inclination change of a steel arch rib segment (4), and the bottom end of the leg (21) is connected to the steel arch rib segment (4) as a whole; a pedal adjustment unit (3) is installed in the middle of the operation platform body (1); the pedal adjustment unit (3) adaptively adjusts the height of the construction station by adjusting the height of a pedal (31); The operating platform body (1) is a left-right axisymmetric supporting frame structure; two tilt adjustment units (2) are respectively installed at the top of each left-right axisymmetric operating platform body (1); the four tilt adjustment units (2) respectively have four vertically installed legs (21), and the bottom ends of the four legs (21) are inclined and coplanarly connected to the inclined upper end surface of the steel arch rib segment (4); The operating platform body (1) has a mounting platform (11) at the bottom end, the upper end surface of the mounting platform (11) is vertically fixedly connected to a hollow and vertically arranged platform frame (12), and a leg mounting hole I (13) is formed on the inner side of the top end of the platform frame (12); the leg (21) is formed with a plurality of leg mounting holes II (211) arranged in a longitudinal row along the vertical direction of the leg; a leg bolt (15) is used at the top end of the platform frame (12) to pass through the leg mounting hole I (13) and the leg mounting hole II (211) and then screwed with a nut, so as to adjust the height of the leg (21) of the tilt adjustment unit (2) at the top end of the platform frame (12); the bottom end of the leg (21) is fixedly connected to the upper end surface of the steel arch rib segment (4); The tilt adjustment unit (2) has a vertically arranged leg (21), and the leg (21) is provided with a plurality of longitudinal leg mounting holes II (211) along the vertical length direction of the leg; the plurality of longitudinal leg mounting holes II (211) are used to adjust the vertical mounting height of the leg (21) at the top of the operating platform body (1); the tilt adjustment unit (2) has a mounting base (22), and the mounting base (22) is integrally fastened to the leg (21) using base bolts (23); the mounting base (22) is fixedly mounted on the upper end surface of the steel arch rib segment (4); The tilt adjustment unit (2) is made of I-beams and steel plates welded together and then drilled with holes; the pedal adjustment unit (3) comprises a pedal (31) and a slideway (32); the slideway (32) is vertically fixedly installed along the vertical direction of the operating platform body (1); a roller (33) is arranged inside the slideway (32); the roller (33) is rotatably installed at one end of the pedal (31); the pedal (31) turns 90° around the roller (33); the pedal (31) rises and falls along the slideway (32); pedal bosses (34) are arranged at both ends of the pedal (31), and the operating platform body (1) is vertically provided with a plurality of pedal support frames (16); a plurality of pedal support frames (16) are horizontally adapted to support the pedal bosses (34) to prevent the pedal (31) from falling; The pedal support frame (16) is an L-shaped angle steel structure; the L-shaped angle steel structure is fixedly installed symmetrically on the left and right axes of the operating platform body (1).

2. The adjustable steel arch rib construction operation platform used in the adjustable steel arch rib construction operation method according to claim 1, characterized in that: The operating platform body (1) is made of angle steel, round steel, square steel, I-beam and steel plate by welding.

3. The adjustable steel arch rib construction operation platform according to claim 2 is characterized by: The mounting base (22) is a double-ear plate structure (221); the double-ear plate structure (221) is provided with coaxially opposed ear plate through holes I (222); the bottom end of the double-ear plate structure (221) is vertically fixedly connected to an ear plate mounting plate (223); the ear plate mounting plate (223) is welded and fixedly connected to the upper end surface of the steel arch rib segment (4) to fix the mounting base (22) on the upper end surface of the steel arch rib segment (4); the leg mounting hole II (211) at the bottom end of the leg (21) is used as the ear plate through hole II; the mounting base (22) uses a base bolt (23) to pass through the ear plate through hole I (222) and the ear plate through hole II to fasten the double-ear plate structure (221) of the mounting base (22) and the bottom end of the leg (21) together.

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