Positioning device for steel structure beam welding based on BIM

Abstract

The invention discloses a BIM (Building Information Modeling)-based positioning device for steel structure beam welding. The BIM-based positioning device comprises a lower steel column, an operation platform and a limiting baffle plate, and an upper steel column is tightly attached to the upper part of the lower steel column; a mounting mechanism is arranged below the operation platform and comprises a fixing plate, a mounting plate, a vacuum suction cup and a micro air pump, the fixing plate and the mounting plate are both in threaded connection with limiting rods, and the limiting rods are distributed in the fixing plate and the mounting plate at equal intervals; and positioning mechanisms are arranged on the outer sides of the lower steel column and the upper steel column. According to the BIM-based positioning device for steel structural beam welding, two sections of steel columns can be positioned, offset is avoided, rapid limiting and fixing can be achieved, stability can be effectively guaranteed, the BIM-based positioning device can be suitable for the steel columns of different sizes, the size of the limiting mechanism can be adjusted according to the sizes of the steel columns, flexibility is high, construction is convenient, safety performance is high, and popularization is easy. And gaps can be shielded, and the situation that sparks fall from the gaps to cause fire breakout during construction is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of steel structures, and in particular to a BIM-based positioning device for welding steel structure beams. Background Art

[0002] BIM is a computer-aided design tool used to build information models in architecture and civil engineering. It can build a virtual three-dimensional model of a building project and provide an information integration platform for the construction project. It can be applied to the entire life cycle of the building design and implementation. It can design the building structure in advance and track the installation process of the building structure in real time. Steel structure is the most important building structure. Steel structure is a structure made of steel materials, generally including steel beams, steel columns and steel trusses. Steel structure is generally installed by welds or bolts, and positioning devices are required for positioning when welding steel structures. There are many BIM-based steel structure beam welding positioning devices on the market, but there are still some shortcomings; If it is not convenient to position the two sections of steel columns, the steel columns are easily offset during welding, it is not convenient to limit and fix them quickly, and the stability is insufficient. It is also not convenient to apply to steel columns of different sizes. When the sizes of steel columns are different, the limiting structure cannot adapt, the flexibility is insufficient, the construction is inconvenient, the safety performance is low, and sparks during construction are easy to fall from the gap and cause fire. Therefore, we propose a BIM-based positioning device for steel structure beam welding to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide a BIM-based steel structure beam welding positioning device to solve the problems raised in the above background technology that the current BIM-based steel structure beam welding positioning device is not convenient for positioning two sections of steel columns, the steel columns are easily offset during welding, it is not convenient to quickly limit and fix them, and the stability is insufficient. It is also not convenient to apply to steel columns of different sizes. When the sizes of the steel columns are different, the limiting structure cannot adapt, the flexibility is insufficient, the construction is inconvenient, the safety performance is low, and sparks during construction are easy to fall from the gaps and cause fires.

[0004] To achieve the above object, the present invention provides the following technical solution: a BIM-based steel structure beam welding positioning device, comprising: A lower steel column, with an upper steel column tightly fitted on top of the lower steel column; Also includes: An operating platform, wherein a mounting mechanism is arranged below the operating platform, including a fixing plate, a mounting plate, a vacuum suction cup and a micro air pump, wherein the fixing plate and the mounting plate are both threadedly connected to the limiting rods, and the limiting rods are evenly spaced in the fixing plate and the mounting plate, and the inner side of the vacuum suction cup is tightly fitted with the outer side of the lower steel column; The outer sides of the lower steel column and the upper steel column are provided with a positioning mechanism, which includes a lower ear plate, an upper ear plate, an installation limit frame and a mounting rod, and the lower ear plate and the upper ear plate are both connected to the installation limit frame slot; A limit baffle, wherein a limit mechanism is arranged at the outer end of the limit baffle, including a limit frame, a connecting plate and a second adjusting rod, and the longitudinal section of the connecting plate is a "U"-shaped structure; The gap shielding mechanism includes an air pump, an air bag, a magnetic sheet, an iron sheet, a first handle and a second handle. The air bag slot is connected to the outside, and the magnetic sheet and the iron sheet are magnetically connected.

[0005] Preferably, fixing plates are welded to both left and right sides of the lower steel column, and a mounting plate is tightly fitted to the outer side of the fixing plate, and an operating platform is fixed above the mounting plate.

[0006] Preferably, a protective net is installed above the operating platform, and a metal guardrail is integrated below the protective net.

[0007] Preferably, a lower ear plate is welded on the upper outer side of the lower steel column, and the lower ear plate is arranged at the four corners of the outer side of the lower steel column, an upper ear plate is tightly fitted above the lower ear plate, and the upper ear plate is fixed on the outer side of the upper steel column.

[0008] Preferably, a micro air pump is installed on the lower outer side of the operating platform, and an air delivery pipe is installed at the lower end of the micro air pump, and the inner end of the air delivery pipe is fixed on the vacuum suction cup; The outer side of the vacuum suction cup is rotatably connected with a first adjusting rod, and the first adjusting rod is threadedly connected to a fixing frame, and the fixing frame is welded to the lower middle part of the operating platform.

[0009] Preferably, the interiors of the lower ear plate and the upper ear plate are both threadedly connected with mounting rods, and the mounting rods are threadedly connected to the mounting limit frame, the outer ends of the mounting rods are threadedly connected with mounting caps, and the mounting rods are distributed at equal intervals.

[0010] Preferably, the outer sides of the lower steel column and the upper steel column are tightly fitted with the limit baffle, and the upper and lower ends of the limit baffle are fixed with connecting blocks, and the longitudinal section of the connecting block is a "T"-shaped structure.

[0011] Preferably, the outer slot of the connecting block is connected to the limiting frame, and the inner slot of the limiting frame is connected to the connecting plate, the outer side of the connecting plate is tightly fitted with a positioning block, and the outer side of the positioning block is fixed with a second adjusting rod, and the second adjusting rod and the limiting frame are threadedly connected.

[0012] Preferably, the vacuum pump is mounted on, and an air bag is mounted on the outside of the vacuum pump, a magnetic sheet is fixed to the left end of the air bag, and an iron sheet is fixed to the right end of the air bag.

[0013] Preferably, a first handle is integrally provided on the front side of the magnetic sheet, and a second handle is fixed on the front side of the iron sheet, and the first handle and the second handle are staggered with each other.

[0014] Compared with the prior art, the invention has the following beneficial effects: the BIM-based steel structure beam welding positioning device can position two steel columns to avoid deviation, can quickly limit and fix, and can effectively ensure stability, and can be applicable to steel columns of different sizes, and the size of the limiting mechanism can be adjusted according to the size of the steel column, with high flexibility, convenient construction, high safety performance, and can shield the gap to prevent sparks from falling from the gap during construction and causing fire; 1. A lower ear plate, an upper ear plate and an installation limit frame are provided. The lower ear plates are fixed at the four corners of the outer side of the lower steel column, and the upper ear plates are fixed at the four corners of the outer side of the upper steel column. The lower ear plates and the upper ear plates are arranged one by one. The lower ear plates and the upper ear plates are connected to the installation limit frame slots. The mounting rod is threadedly connected to the lower ear plate and the installation limit frame. The mounting rod is threadedly connected to the upper ear plate and the installation limit frame. The two sections of the steel column can be positioned to avoid deviation, can be quickly limited and fixed, and can effectively ensure stability; 2. A limit frame, a limit baffle and a connecting plate are provided. The inner side of the limit frame is slidably connected to the limit baffle through a connecting block. The internal slot of the limit frame is connected to the connecting plate. The limit frame is threadedly connected to the second adjusting rod. The connecting plate and the lower steel column and the upper steel column can be tightly fitted by rotating the second adjusting rod. The limit frame fits tightly with the lower steel column and the upper steel column, and can be applied to steel columns of different sizes. The size of the limit mechanism can be adjusted according to the size of the steel column, and the flexibility is high. 3. An operating platform, a mounting plate and a vacuum suction cup are provided. The mounting plate fixed under the operating platform fits tightly with the fixed plate. The limit rod is threadedly connected to the fixed plate and the mounting plate. The lower steel column fits tightly with the vacuum suction cup. The outer side of the vacuum suction cup is connected to a micro air pump through an air pipe. The micro air pump can suck away the air in the vacuum suction cup to achieve further fixation. The operating platform and the protective net are convenient for construction and have high safety performance. 3. An air pump, an air bag and a magnetic sheet are provided. The air bag is inflated by the air pump to make the air bag fit tightly with the metal sheet. The gap between the air bags and the metal sheet is blocked to prevent sparks from falling from the gap to ensure safety. The magnetic sheet and the iron sheet are magnetically connected to facilitate the disassembly and assembly of the air bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the front cross-sectional structure of the present invention; Figure 2 It is a schematic diagram of the side cross-sectional structure of the present invention; Figure 3 It is a schematic diagram of the overall structure of the positioning mechanism of the present invention; Figure 4 It is a front view structural schematic diagram of the limiting mechanism of the present invention; Figure 5 This is a schematic diagram of the overall structure of the limit frame and the connection block of the present invention; Figure 6 This is a schematic diagram of the top view of the connection structure of the limit frame and the connecting plate of the present invention; Figure 7 It is a schematic diagram of the overall structure of the limiting mechanism of the present invention; Figure 8 This is a schematic diagram of the overall structure of the gap shielding mechanism of the present invention; Fig. 9 It is a schematic diagram of the overall structure of the limiting mechanism of the present invention; Fig.10 It is a schematic diagram of the work flow structure of the present invention.

[0016] In the figure: 1. lower steel column; 2. upper steel column; 3. fixing plate; 4. mounting plate; 5. limiting rod; 6. operating platform; 7. metal guardrail; 8. protective net; 9. fixing frame; 10. first adjusting rod; 11. vacuum suction cup; 12. air pipe; 13. micro air pump; 14. lower ear plate; 15. upper ear plate; 16. installation limiting frame; 17. mounting rod; 18. mounting cap; 19. limiting frame; 20. connecting block; 21. limiting baffle; 22. connecting plate; 23. positioning block; 24. second adjusting rod; 25. vacuum pump; 26. air bag; 27. magnetic sheet; 28. iron sheet; 29. ​​first handle; 30. second handle. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. 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.

[0018] See also Figure 1-10 The present invention provides a technical solution: a BIM-based steel structure beam welding positioning device, comprising: A lower steel column 1, with an upper steel column 2 tightly fitted on the upper side of the lower steel column 1; Also includes: An operating platform 6, under which a mounting mechanism is arranged, including a fixing plate 3, a mounting plate 4, a vacuum suction cup 11 and a micro air pump 13, the fixing plate 3 and the mounting plate 4 are both threadedly connected to the limiting rod 5, and the limiting rod 5 is evenly spaced in the fixing plate 3 and the mounting plate 4, and the inner side of the vacuum suction cup 11 is tightly fitted to the outer side of the lower steel column 1; The outer sides of the lower steel column 1 and the upper steel column 2 are provided with a positioning mechanism, which includes a lower ear plate 14, an upper ear plate 15, an installation limit frame 16 and an installation rod 17. The lower ear plate 14 and the upper ear plate 15 are connected to the installation limit frame 16 by a slot; A limit baffle 21, the outer end of which is provided with a limit mechanism, which includes a limit frame 19, a connecting plate 22 and a second adjusting rod 24, and the longitudinal section of the connecting plate 22 is a "U"-shaped structure; The gap shielding mechanism includes an air pump 25, an air bag 26, a magnetic sheet 27, an iron sheet 28, a first handle 29 and a second handle 30. The air bag 26 is connected to the outside of 1 by a slot, and the magnetic sheet 27 and the iron sheet 28 are magnetically connected.

[0019] By adopting the above technical scheme, the lower steel column 1 and the upper steel column 2 can be quickly positioned through the installation mechanism composed of the fixing plate 3, the mounting plate 4, the vacuum suction cup 11 and the micro air pump 13, and the positioning mechanism composed of the lower ear plate 14, the upper ear plate 15, the installation limit frame 16 and the installation rod 17.

[0020] As attached Figure 1 As shown in , the left and right sides of the lower steel column 1 are welded with fixing plates 3, and the outer side of the fixing plate 3 is tightly fitted with a mounting plate 4, and an operating platform 6 is fixed above the mounting plate 4.

[0021] By adopting the above technical solution, the fixing plates 3 are welded on both the left and right sides of the lower steel column 1, and the outer side of the fixing plate 3 is tightly fitted with the mounting plate 4, so that the operating platform 6 is easily installed.

[0022] As attached Figure 1 As shown in FIG, a protective net 8 is installed above the operating platform 6, and a metal guardrail 7 is integrated below the protective net 8.

[0023] By adopting the above technical solution, a protective net 8 is installed above the operating platform 6, and a metal guardrail 7 is integrated below the protective net 8, which can protect the construction workers.

[0024] As attached Figure 2 and attached Figure 3 As shown in the figure, a lower ear plate 14 is welded on the upper outer side of the lower steel column 1, and the lower ear plate 14 is arranged at the four corners of the outer side of the lower steel column 1, and an upper ear plate 15 is tightly fitted on the upper side of the lower ear plate 14, and the upper ear plate 15 is fixed on the outer side of the upper steel column 2.

[0025] By adopting the above technical solution, lower ear plates 14 are arranged at the four corners of the outer side of the lower steel column 1, and upper ear plates 15 are tightly fitted above the lower ear plates 14, and the upper ear plates 15 are fixed on the outer side of the upper steel column 2 for easy installation.

[0026] As attached Figure 2As shown in , a micro air pump 13 is installed on the lower outer side of the operating platform 6, and an air delivery pipe 12 is installed at the lower end of the micro air pump 13, and the inner end of the air delivery pipe 12 is fixed on the vacuum suction cup 11; The outer side of the vacuum suction cup 11 is rotatably connected to a first adjustment rod 10 , and the first adjustment rod 10 is threadedly connected to a fixing frame 9 , and the fixing frame 9 is welded to the lower middle part of the operating platform 6 .

[0027] By adopting the above technical solution, a micro air pump 13 is installed on the lower outer side of the operating platform 6, and the outer side of the vacuum suction cup 11 is rotatably connected to the first adjustment rod 10, so as to facilitate fixing the operating platform 6.

[0028] As attached Figure 3 As shown in the figure, the interior of the lower ear plate 14 and the upper ear plate 15 are both threadedly connected with mounting rods 17, and the mounting rods 17 are threadedly connected to the mounting limit frame 16, the outer ends of the mounting rods 17 are threadedly connected with mounting caps 18, and the mounting rods 17 are distributed at equal intervals.

[0029] By adopting the above technical solution, the lower ear plate 14 and the upper ear plate 15 are both threadedly connected with the mounting rod 17, and the outer end of the mounting rod 17 is threadedly connected with the mounting cap 18, so as to facilitate the fixing of the lower ear plate 14 and the upper ear plate 15.

[0030] As attached Figure 4 and attached Figure 5 As shown in the figure, the outer sides of the lower steel column 1 and the upper steel column 2 are tightly fitted with the limit baffle 21, and the upper and lower ends of the limit baffle 21 are fixed with connecting blocks 20, and the longitudinal section of the connecting block 20 is a "T"-shaped structure.

[0031] By adopting the above technical solution, the outer sides of the lower steel column 1 and the upper steel column 2 are tightly fitted with the limit baffle 21, and the longitudinal section of the connecting block 20 is a "T"-shaped structure, which facilitates the adjustment of the position of the connecting block 20.

[0032] As attached Figure 6 and attached Figure 7 As shown in the figure, the outer slot of the connecting block 20 is connected to the limiting frame 19, and the inner slot of the limiting frame 19 is connected to the connecting plate 22, the outer side of the connecting plate 22 is tightly fitted with a positioning block 23, and the outer side of the positioning block 23 is fixed with a second adjusting rod 24, and the second adjusting rod 24 and the limiting frame 19 are threadedly connected.

[0033] By adopting the above technical solution, the connecting plate 22 is connected through the internal slot of the limiting frame 19 , and the second adjusting rod 24 is threadedly connected to the limiting frame 19 , so as to facilitate the limiting of the connecting plate 22 .

[0034] As attached Figure 8 and attached Fig. 9As shown in , the air pump 25 is installed on 6, and an air bag 26 is installed outside the air pump 25, a magnetic sheet 27 is fixed to the left end of the air bag 26, and an iron sheet 28 is fixed to the right end of the air bag 26.

[0035] By adopting the above technical solution, an air pump 25 is installed on 6, and an air bag 26 is installed on the outside of the air pump 25 to facilitate covering the gap.

[0036] As attached Figure 8 and attached Fig. 9 As shown in FIG. 1 , a first handle 29 is integrally provided on the front side of the magnetic sheet 27 , and a second handle 30 is fixed on the front side of the iron sheet 28 , and the first handle 29 and the second handle 30 are arranged alternately.

[0037] By adopting the above technical solution, a first handle 29 is integrally provided on the front side of the magnetic sheet 27 , and the first handle 29 and the second handle 30 are staggered with each other, so as to facilitate the disassembly and assembly of the airbag 26 .

[0038] As attached Figure 1 As shown in, the operating platform 6 is fixed on the outer side of the lower steel column 1 by a mounting mechanism composed of a fixing plate 3, a mounting plate 4, a vacuum suction cup 11 and a micro air pump 13, and then the upper steel column 2 is hoisted above the lower steel column 1, and the lower steel column 1 and the upper steel column 2 are limited by a positioning mechanism composed of a lower ear plate 14, an upper ear plate 15, an installation limit frame 16 and a mounting rod 17, and a limit mechanism composed of a limit frame 19, a connecting plate 22 and a second adjusting rod 24 to avoid misalignment of the lower steel column 1 and the upper steel column 2, and then the lower steel column 1 and the upper steel column 2 are welded; Specific embodiments

[0039] As attached Figure 1 and attached Figure 2As shown in the figure, the operating platform 6 is hoisted to the outside of the lower steel column 1, so that the operating platform 6 and the lower steel column 1 are connected by the card slot, and the mounting plate 4 welded below the operating platform 6 and the fixed plates 3 fixed on the left and right sides of the lower steel column 1 are tightly fitted, and then the limit rod 5 is screwed into the fixed plate 3 and the mounting plate 4, so that the limit rod 5 is threadedly connected to the fixed plate 3 and the mounting plate 4, and then the limit rod 5 is processed and installed on the left and right sides of the lower steel column 1 at equal intervals, and the mounting plate 4 is fixed on the fixed plate 3, and then the first adjusting rod 10 threadedly connected to it is rotated on the fixing frame 9, and the first adjusting rod 10 pushes the vacuum suction cup 11 connected to its inner end. 0 and the vacuum suction cup 11 are rotatably connected to ensure that the vacuum suction cup 11 does not rotate and gradually moves toward the lower steel column 1, so that the vacuum suction cup 11 and the lower steel column 1 are closely fitted, and then the micro air pump 13 is turned on, and the micro air pump 13 draws air into the vacuum suction cup 11 through the air pipe 12, thereby increasing the pressure in the vacuum suction cup 11, further fixing the operating platform 6, and improving stability. Construction workers can stand on the operating platform 6 to carry out construction, and the protective net 8 installed above the operating platform 6 can protect the construction workers. The metal guardrail 7 fixed below the protective net 8 prevents parts from rolling off the operating platform 6, thereby reducing the risk of injury to the construction workers below; Specific embodiments

[0040] As attached Figure 1 , Attachment Figure 8 and attached Fig. 9 As shown in , the airbag 26 is attached to the outer side of 1, so that the magnetic sheet 27 fixed at the left end of the airbag 26 and the iron sheet 28 fixed at the right end of the airbag 26 are closely attached, and the magnetic sheet 27 and the iron sheet 28 are magnetically attracted to each other, and the airbag 26 is fixed to the outer side of 1, and the vacuum pump 25 is turned on. The vacuum pump 25 inflates the airbag 26 to expand the airbag 26. The airbag 26 blocks the gap between 1 and 6 to prevent sparks from falling from the gap during welding and other operations to ignite building materials or construction workers' clothes and cause fire. When the airbag 26 needs to be removed, the first handle 29 and the second handle 30 are pulled outward to separate the magnetic sheet 27 from the magnetic connection with the iron sheet 28. Since the first handle 29 and the second handle 30 are staggered, it is convenient to adjust the positions of the magnetic sheet 27 and the iron sheet 28, and the airbag 26 is removed from the outer side of 1, which is convenient for installation and removal; Specific embodiments

[0041] As attached Figure 1 , Attachment Figure 2 and attached Figure 3As shown in , after the operating platform 6 is installed, the construction personnel enter the operating platform 6, and then hoist the upper steel column 2 to the top of the lower steel column 1, so that the bottom of the upper steel column 2 and the top of the lower steel column 1 fit tightly, and the upper ear plate 15 welded on the outside of the upper steel column 2 and the lower ear plate 14 welded on the outside of the lower steel column 1 fit tightly, the lower ear plates 14 fixed at the four corners of the lower steel column 1 and the upper ear plates 15 fixed at the four corners of the upper steel column 2 are set one by one, and then the installation limit frame 16 is put on the lower ear plate 14 and the upper ear plate 15, so that the lower ear plate 14 and the upper ear plate 15 are connected with the slot of the installation limit frame 16, then the installation rod 17 is threadedly connected with the lower ear plate 14 and the installation limit frame 16, and the installation cap 18 is threadedly connected with the outer end of the installation rod 17 to fix the lower ear plate 14 and the installation limit frame 16, and then the installation rod 17 is threadedly connected with the upper ear plate 15 and the installation limit frame 16, and the installation cap 18 is threadedly connected with the outer end of the installation rod 17 to fix the upper ear plate 15 and the installation limit frame 16; Specific embodiments

[0042] As attached Figure 4 , Attachment Figure 5 , Attachment Figure 6 and attached Figure 7 As shown in , the connecting block 20 is tightly fitted on the outer sides of the lower steel column 1 and the upper steel column 2, and the limiting baffle 21 is slid on the limiting frame 19, and the position of the limiting baffle 21 is adjusted so that the limiting baffle 21 will not be blocked by the lower ear plate 14 and the upper ear plate 15. The upper and lower ends of the limiting baffle 21 are integrally provided with connecting blocks 20. The connecting block 20 with a "T"-shaped structure in the longitudinal section plays a limiting role on the limiting baffle 21, which can ensure the stability of the limiting baffle 21 when sliding. The upper and lower ends of the limiting baffle 21 are provided with limiting frames 19, so that the upper and lower limiting frames 19 are tightly fitted with the lower steel column 1 and the upper steel column 2 respectively, and then the connecting plate 22 is inserted into the limiting frame 19, so that the connecting plate 22 with a "U"-shaped structure in the longitudinal section is in contact with the upper and lower limiting frames 19 The card slot is connected, and then the limit frame 19 is slid in the connecting plate 22 to adjust the position of the limit frame 19 so that the inner side of the limit frame 19 is tightly fitted with the lower steel column 1 and the upper steel column 2. Then the second adjusting rod 24 is rotated on the limit frame 19 to adjust the position of the second adjusting rod 24 threadedly connected to the limit frame 19. The second adjusting rod 24 drives the positioning block 23 fixed thereto to move so that the inner side of the positioning block 23 is tightly fitted with the connecting plate 22, which plays a limiting role on the connecting plate 22, and fixes the connecting plate 22 in the limit frame 19. The limit frame 19, the limit baffle 21 and the connecting plate 22 play a limiting role on the lower steel column 1 and the upper steel column 2, so as to avoid the lower steel column 1 and the upper steel column 2 from being offset during welding, and the upper end of the lower steel column 1 and the lower end of the upper steel column 2 are welded together; Then, rotate the second adjusting rod 24 to disengage the positioning block 23 from the tight fit with the connecting plate 22, and then remove the connecting plate 22 from the limit frame 19 connected to the slot, and remove the limit frame 19 and the limit baffle 21 from the outer sides of the lower steel column 1 and the upper steel column 2 that are tightly fitted thereto; Specific embodiments

[0043] By building a three-dimensional model through BIM, we work with construction supervision and construction units to analyze the construction site, simulate the steel structure welding method, design the welding plan, and optimize the design based on the steel structure and specific site conditions. We provide a data model for the visual schedule, conduct four-dimensional construction simulation, and carry out on-site welding construction.

[0044] This is the entire working process of the BIM-based steel structure beam welding positioning device. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0045] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0046] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A BIM-based steel structure beam welding positioning device, comprising: A lower steel column (1), wherein an upper steel column (2) is tightly fitted on the upper side of the lower steel column (1); It is characterized by further comprising: An operating platform (6), wherein a mounting mechanism is arranged below the operating platform (6), comprising a fixing plate (3), a mounting plate (4), a vacuum suction cup (11) and a micro air pump (13), wherein the fixing plate (3) and the mounting plate (4) are both threadedly connected to the limiting rods (5), and the limiting rods (5) are evenly spaced inside the fixing plate (3) and the mounting plate (4), and the inner side of the vacuum suction cup (11) and the outer side of the lower steel column (1) are tightly fitted; A positioning mechanism is provided on the outer sides of the lower steel column (1) and the upper steel column (2), comprising a lower ear plate (14), an upper ear plate (15), an installation limit frame (16) and an installation rod (17); the lower ear plate (14) and the upper ear plate (15) are both connected to the card slot of the installation limit frame (16); A limit baffle (21), wherein a limit mechanism is disposed at the outer end of the limit baffle (21), the limit mechanism comprising a limit frame (19), a connecting plate (22) and a second adjusting rod (24), wherein the longitudinal section of the connecting plate (22) is a "U"-shaped structure; A gap shielding mechanism, the gap shielding mechanism comprising an air pump (25), an air bag (26), a magnetic sheet (27), an iron sheet (28), a first handle (29) and a second handle (30), the air bag (26) being connected to the outside of (1) by a slot, and the magnetic sheet (27) and the iron sheet (28) being magnetically connected.

2. The BIM-based steel structure beam welding positioning device according to claim 1, characterized in that: A fixing plate (3) is welded to both left and right sides of the lower steel column (1), and a mounting plate (4) is tightly fitted to the outer side of the fixing plate (3), and an operating platform (6) is fixed above the mounting plate (4).

3. The BIM-based steel structure beam welding positioning device according to claim 2, characterized in that: A protective net (8) is installed above the operating platform (6), and a metal guardrail (7) is integrally provided below the protective net (8).

4. The BIM-based steel structure beam welding positioning device according to claim 1, characterized in that: A lower ear plate (14) is welded on the upper outer side of the lower steel column (1), and the lower ear plate (14) is arranged at the four outer corners of the lower steel column (1). An upper ear plate (15) is tightly fitted on the upper side of the lower ear plate (14), and the upper ear plate (15) is fixed on the outer side of the upper steel column (2).

5. The BIM-based steel structure beam welding positioning device according to claim 1, characterized in that: A micro air pump (13) is installed on the lower outer side of the operating platform (6), and an air delivery pipe (12) is installed at the lower end of the micro air pump (13), and the inner end of the air delivery pipe (12) is fixed on the vacuum suction cup (11); The outer side of the vacuum suction cup (11) is rotatably connected to a first adjustment rod (10), the first adjustment rod (10) and the fixing frame (9) are threadedly connected, and the fixing frame (9) is welded to the lower middle part of the operating platform (6).

6. The BIM-based steel structure beam welding positioning device according to claim 1, characterized in that: The interiors of the lower ear plate (14) and the upper ear plate (15) are both threadedly connected with mounting rods (17), and the mounting rods (17) and the mounting limit frame (16) are threadedly connected, the outer ends of the mounting rods (17) are threadedly connected with mounting caps (18), and the mounting rods (17) are evenly spaced.

7. The BIM-based steel structure beam welding positioning device according to claim 1, characterized in that: The outer sides of the lower steel column (1) and the upper steel column (2) are tightly fitted with the limit baffle (21), and the upper and lower ends of the limit baffle (21) are both fixed with connecting blocks (20), and the longitudinal section of the connecting block (20) is in a "T"-shaped structure.

8. The BIM-based steel structure beam welding positioning device according to claim 7, characterized in that: The outer slot of the connection block (20) is connected to the limit frame (19), and the inner slot of the limit frame (19) is connected to the connection plate (22), the outer side of the connection plate (22) is tightly fitted with a positioning block (23), and the outer side of the positioning block (23) is fixed with a second adjustment rod (24), and the second adjustment rod (24) and the limit frame (19) are threadedly connected.

9. The BIM-based steel structure beam welding positioning device according to claim 1, characterized in that: The vacuum pump (25) is mounted on (6), and an air bag (26) is mounted on the outside of the vacuum pump (25). A magnetic sheet (27) is fixed to the left end of the air bag (26), and an iron sheet (28) is fixed to the right end of the air bag (26).

10. A BIM-based steel structure beam welding positioning device according to claim 9, characterized in that: A first handle (29) is integrally provided on the front side of the magnetic sheet (27), and a second handle (30) is fixed on the front side of the iron sheet (28); the first handle (29) and the second handle (30) are arranged in an alternating manner.

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