Beam body fixing device for steel structure and construction method

Abstract

The invention provides a beam body fixing device for a steel structure and a construction method, the beam body fixing device comprises a vertical supporting mechanism, and the vertical supporting mechanism comprises a vertical mounting plate and a clamping plate which are in sliding connection with each other; the base is connected with the vertical mounting plate; the protection mechanisms are oppositely arranged and connected with the base, and the protection mechanisms are used for fixing the beam body; the linkage adjusting mechanism comprises a linkage assembly, a first elastic element, a first magnet and a second magnet, the first magnet and the second magnet generate repellent magnetic force, the first end of the first elastic element and the first magnet are connected to the vertical mounting plate, the second end of the first elastic element and the second magnet are connected to the clamping plate, and the linkage assembly is rotatably connected between the clamping plate and the base; the two ends of the linkage assembly are slidably connected with the clamping plate and the base correspondingly. According to the construction method provided by the invention, the beam body is pressed downwards and placed on the base, and all the components cooperate to form multi-dimensional constraint on the beam body. The method has the beneficial effects that welding is reduced, fixation is reliable, and the hidden danger of splicing displacement is reduced.

Description

Technical Field

[0001] This invention belongs to the field of building construction technology, and in particular relates to a beam fixing device and construction method for steel structures. Background Technology

[0002] In existing technologies, steel structure splicing typically involves initial positioning with a fixed structure, which is then welded to the steel structure (such as beams) to facilitate splicing and installation. However, this process presents several technical challenges, including inconvenience in welding positioning and the inevitable weld points that occur during welding, which can negatively impact the overall seismic performance of the structure and make it unsuitable for high-rise buildings. Summary of the Invention

[0003] To address the aforementioned technical problems, this invention provides a beam fixing device and construction method for steel structures, which is particularly suitable for rapid beam splicing scenarios in steel structures. Through mechanical clamping and magnetic synergy, welding is reduced, and splicing efficiency and quality are improved.

[0004] The technical solution adopted in this invention is as follows: a beam fixing device for steel structures, comprising a vertical support mechanism including a vertical mounting plate and a clamping plate, wherein the clamping plate and the vertical mounting plate are oppositely arranged and slidably connected to each other; a horizontal bearing mechanism including a base connected to the vertical mounting plate to support the beam; multiple protective mechanisms, each of which is connected to the base and the multiple protective mechanisms are oppositely arranged to fix the beam; and a linkage adjustment mechanism including a linkage component, a first elastic element, and a first magnet and a second magnet that generate repulsive magnetic force, wherein the first end of the first elastic element and the first magnet are connected to the vertical mounting plate, the second end of the first elastic element and the second magnet are connected to the clamping plate, the linkage component is rotatably connected between the clamping plate and the base, and the two ends of the linkage component are slidably connected to the clamping plate and the base, respectively.

[0005] Furthermore, each protective mechanism includes a protective plate and at least one abutment component, the protective plate being connected to the base, and the abutment component being movably connected to the protective plate to approach or move away from the beam placed on the base.

[0006] Furthermore, the abutment assembly includes a second adjusting rod and a clamping member. The second adjusting rod is threaded into the protective plate, and the end of the second adjusting rod is connected to the clamping member.

[0007] Furthermore, the clamping element is rotatably connected to the second adjusting rod.

[0008] Furthermore, the protective plate is detachably connected to the base, and the protective mechanism also includes a connector and a bolt assembly. The protective plate is connected to the base via the connector and fixed by the bolt assembly.

[0009] Furthermore, the linkage assembly includes a first adjusting rod, a first slider, a second slider, and a second elastic element. The first end of the first adjusting rod is rotatably connected to the first slider, the first slider is slidably connected to the clamping plate, the second elastic element is provided at the bottom of the first slider, the second end of the first adjusting rod is rotatably connected to the second slider, and the second slider is slidably connected to the base.

[0010] Furthermore, the linkage assembly also includes a first slide rod and a second slide rod. A first slide groove is formed on the side of the clamping plate away from the vertical mounting plate. The first slide rod is disposed in the first slide groove. The second elastic element and the first slider are sleeved on the outside of the first slide rod. A second slide groove is formed on the base. The second slide rod is disposed in the second slide groove. The second slider is sleeved on the outside of the second slide rod.

[0011] Furthermore, the horizontal bearing mechanism also includes a support assembly, which is located on top of the base. When the beam is pressed down on the first adjusting rod and placed on the support assembly, the second elastic element is compressed, and the top heights of both the first slider and the second slider are not higher than the top height of the support assembly.

[0012] Furthermore, the support assembly includes a support base and an alignment plate, with the support base mounted on top of the base and the alignment plate connected to the support base.

[0013] On the other hand, the present invention also provides a construction method for a beam fixing device for steel structures, comprising the following steps:

[0014] Two beam fixing devices are set together and arranged opposite each other. The two beam fixing devices correspond to the second ends of the two beams to be spliced ​​respectively. The first end of each beam is used for splicing. Each beam fixing device is placed in a predetermined position so that the two clamping plates are arranged opposite each other.

[0015] When the beam is placed above the corresponding base, the linkage component moves when the beam is pressed down. The linkage component adjusts the tilt angle, and at the same time, the first elastic element changes from a stretched state to a compressed state. When the beam is placed on the base, the abutment component of the protective mechanism clamps the beam to fix the individual beam. The clamping plate abuts against the beam under the synergistic action of the first elastic element, the first magnet, and the second magnet, so that the first ends of the two beams abut against each other.

[0016] The advantages and positive effects of this invention are as follows: by adopting the above technical solution, the automatic and stable application and release of clamping force during the placement of the beam is realized through the synergistic effect between the components, and a multi-dimensional stable constraint is formed on the beam; it has the advantages of fast and convenient construction, reduced welding, reliable fixing, and reduced risk of splicing displacement. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of one embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of an embodiment of the present invention connected to a beam.

[0019] Figure 3 This is a schematic diagram showing the connection between the vertical support mechanism and the horizontal bearing mechanism in one embodiment of the present invention;

[0020] Figure 4 This is a schematic diagram of the vertical support mechanism in one embodiment of the present invention;

[0021] Figure 5 This is a schematic diagram of the structure of the horizontal bearing mechanism in one embodiment of the present invention;

[0022] Figure 6 This is a schematic diagram of the protective mechanism in one embodiment of the present invention;

[0023] In the picture:

[0024] 1. Vertical support mechanism; 2. Horizontal bearing mechanism; 3. Linkage adjustment mechanism; 4. Protective mechanism; 5. Beam; 11. Vertical mounting plate; 12. Clamping plate; 13. Mounting groove; 14. First magnet; 15. First elastic element; 16. Connecting rod; 17. Second magnet; 18. First slide groove; 19. First slider; 110. First slide rod; 111. Second elastic element; 21. Base; 22. First fixing plate; 23. Mounting hole; 24. Pad; 25. Placement plate; 26. Alignment plate; 27. Support leg; 28. Second slide rail; 29. ​​Second slide rod; 210. Second slider; 211. Insertion slot; 31. First connector; 32. First adjusting rod; 33. Second connector; 34. Mounting component; 41. Protective plate; 42. Second fixing plate; 43. Second adjusting rod; 44. Clamping component; 45. Control component; 46. Bolt assembly; 47. Positioning block; 48. Insertion component. Detailed Implementation

[0025] The embodiments of the present invention will now be described with reference to the accompanying drawings. The described embodiments are only some embodiments of the invention, and not all embodiments.

[0026] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar units or units having the same or similar functions throughout.

[0027] The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it should be understood that terms such as "installation," "connection," and "fixing" should be interpreted broadly, and can refer to direct connection, installation, or fixing, or indirect connection, installation, or fixing. The present invention does not impose any limitations in this regard.

[0028] In the description of this invention, it should be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this invention and simplifying the description.

[0029] like Figures 1 to 6 As shown, this is a schematic diagram of an embodiment of a beam fixing device for a steel structure according to the present invention. It includes a vertical support mechanism 1, comprising a vertical mounting plate 11 and a clamping plate 12, the clamping plate 12 being opposite to and slidably connected to the vertical mounting plate 11; a horizontal bearing mechanism 2, comprising a base 21, the base 21 being vertically connected to the vertical mounting plate 11 to support the beam 5; multiple protective mechanisms 4, each protective mechanism 4 being connected to the base 21 and the multiple protective mechanisms 4 being opposite to each other to fix the beam 5; and a linkage adjustment mechanism 3, comprising a linkage component and an elastic magnetic repulsion component, the elastic magnetic repulsion component being connected between the vertical mounting plate 11 and the clamping plate 12, for providing a biasing force to the clamping plate 12 toward the beam 5 to be clamped. The elastic magnetic repulsion assembly includes a first elastic element 15 and a first magnet 14 and a second magnet 17 that generate repulsive magnetic force. The first end of the first elastic element 15 and the first magnet 14 are connected to a vertical mounting plate 11, and the second end of the first elastic element 15 and the second magnet 17 are connected to a clamping plate 12. A linkage assembly is rotatably connected between the clamping plate 12 and the base 21, with both ends of the linkage assembly slidably connected to the clamping plate 12 and the base 21, respectively. Preferably, the first elastic element is a spring.

[0030] In this embodiment, the first elastic element 15, the first magnet 14, and the second magnet 17 on one side of the clamping plate 12 repel each other, while the other side is pulled by a linkage assembly to balance the magnetic sway. When the beam is not placed, the linkage assembly, the first elastic element 15, the first magnet 14, and the second magnet 17 interact to form a stable shape. When the beam 5 is placed, the linkage assembly is pressed down to change it from an inclined state to a horizontal or near-horizontal state, and the first elastic element 15 is changed from a stretched state to a compressed state. When the beam 5 is placed on the base 21, the first elastic element 15, the first magnet 14, and the second magnet 17 together form a pushing force on the clamping plate 12, causing the clamping plate 12 to press against the side of the beam 5. The two beam fixing devices for the steel structure are a set and are arranged opposite each other, that is, the two opposing clamping plates 12 make the beams that are spliced ​​together press against each other.

[0031] On the other hand, the present invention also provides a construction method for a beam fixing device for steel structures, comprising the following steps:

[0032] Two beam fixing devices are set together and arranged opposite each other. The two beam fixing devices correspond to the second ends of the two beams 5 to be spliced ​​respectively. The first end of each beam 5 is used for splicing. Each beam fixing device is placed in a predetermined position so that the two clamping plates 12 are arranged opposite each other.

[0033] When the beam 5 is placed above the corresponding base 21, the linkage component can be driven to move when the beam 5 is pressed down. The linkage component adjusts the tilt angle, and at the same time, the first elastic element 15 changes from a stretched state to a compressed state. When the beam 5 is placed on the base 21, the beam 5 is clamped by the abutment component of the protective mechanism 4 to fix the individual beam 5. The clamping plate 12 abuts against the beam 5 under the synergistic action of the first elastic element 15, the first magnet 14 and the second magnet 17, so that the first ends of the two beams 5 abut against each other.

[0034] Preferably, the vertical mounting plate 11 has a mounting groove 13 on the side facing the horizontal support mechanism 2. The first end of the first elastic element 15 and the first magnet 14 are both housed within the mounting groove 13. The first magnet 14 is connected to the inner wall of the mounting groove 13, and the first end of the first elastic element 15 is connected to either the inner wall of the mounting groove 13 or to the first magnet 14. The mounting groove 13 provides a stable space for the first elastic element 15 and the first magnet 14, guiding and transmitting their force along a predetermined direction, while also protecting the internal components.

[0035] The clamping plate 13 and the vertical mounting plate 11 are slidably connected by connecting rods 16. The connecting rods 16 are located on the side of the clamping plate 13 opposite to the linkage assembly. The first end of the connecting rod 16 is movably inserted into the vertical mounting plate 11, and the second end is fixedly connected to the clamping plate 12. Multiple connecting rods 16 are symmetrically arranged on both sides of the mounting groove 13. The connecting rods 16 ensure that the clamping plate 13 remains parallel and aligned with the vertical mounting plate 11 during sliding, reducing the risk of deflection and jamming, and making the sliding smoother and more stable.

[0036] Each protective mechanism 4 includes a protective plate 41 and at least one abutting component. The protective plate 41 is connected to the base 21, and the abutting component is movably connected to the protective plate 41 to move closer to or further away from the beam 5 placed on the base 21. Preferably, the protective plate 41 is located on the outside of the clamping plate 12, and the protective plate 41 also prevents the clamping plate 12 from shifting horizontally under the repulsive force of magnets, thus enhancing structural stability. The abutting components are multiple and evenly spaced along the length of the protective plate 41, which facilitates a uniform distribution of clamping force.

[0037] In this embodiment, the abutment assembly includes a second adjusting rod 43 and a clamping member 44. The second adjusting rod 43 passes through the protective plate 41 and is threadedly engaged with the protective plate 41. The end of the second adjusting rod 43 is connected to the clamping member 44. The adjustable operation of the abutment assembly is better suited to different beam sizes 5.

[0038] In this embodiment, the clamping member 44 is rotatably connected to the second adjusting rod 43, allowing the clamping member 44 to adaptively adjust when subjected to force, thereby reducing friction jamming and component wear.

[0039] In this embodiment, the protective plate 41 is detachably connected to the base 21. The protective mechanism 4 also includes a connector 48 and a bolt assembly 46. The protective plate 41 is connected to the base 21 via the connector 48 and fixed by the bolt assembly 46. The protective mechanism 4 and the base 21 can be quickly assembled or disassembled to adapt to different construction environments and improve the flexibility of the device.

[0040] Preferably, a plug-in groove 211 is provided on the side of the base 21, and a plug-in member 48 is connected to the side of the protective plate 41 facing the base 21. The plug-in groove 211 matches the plug-in member 48 of the protective mechanism 4, forming a plug-in connection base between the protective plate 41 and the base 21, realizing the dual functions of assembly positioning and fixation.

[0041] A first fixing plate 22 is connected to the side of the base 21, and a second fixing plate 42 is connected to the side of the protective plate 41 away from the base 21. The first fixing plate 22 can correspond to the second fixing plate 42. The first fixing plate 22 and the second fixing plate 42 have mounting holes 23 for mounting bolt assemblies 46. The insertion slot 211 corresponds to the position of the first fixing plate 22. There are multiple first fixing plates 22, second fixing plates 42, bolt assemblies, insertion slots 211 and insertion pieces 48.

[0042] A control element 45 is fixedly mounted on the end of the second adjusting rod 43 furthest from the clamping member 44. The control element 45 increases the hand contact area for the operator, facilitating manual rotation to drive the second adjusting rod 43 forward or backward, eliminating the need for additional tools and making operation more convenient. The protective mechanism 4 also includes a positioning block 47, which is located between the end of the second adjusting rod 43 and the clamping member 44. The positioning block 47 has a groove for rotatable connection with the second adjusting rod 43, and is fixedly connected to the clamping member 44. The positioning block 47 serves to transmit the axial thrust of the second adjusting rod 43 to the clamping member 44, and also allows the clamping member 44 to undergo slight adaptive rotation with the second adjusting rod 43 when it is pressed against the surface of the beam 5, facilitating operator operation.

[0043] In this embodiment, the linkage assembly includes a first adjusting rod 32, a first slider 19, a second slider 210, and a second elastic element 111. The first end of the first adjusting rod 32 is rotatably connected to the first slider 19, which is slidably connected to the clamping plate 12. The second elastic element 111 is located at the bottom of the first slider 19, providing it with an upward elastic support force. The second end of the first adjusting rod 32 is rotatably connected to the second slider 210, which is slidably connected to the base 21. The second elastic element 111 absorbs the downward impact of the beam 5, optimizes the sliding connection structure, ensures smooth movement of the linkage assembly, and guarantees linkage balance. Preferably, the second elastic element is also a spring.

[0044] In this embodiment, the linkage assembly further includes a first slide rod 110 and a second slide rod 29. A first groove 18 is formed on the side of the clamping plate 12 away from the vertical mounting plate 11. The first slide rod 110 is disposed within the first groove 18. A second elastic element 111 and a first slider 19 are sleeved on the outside of the first slide rod 110. A second groove 28 is formed on the base 21. The second slide rod 29 is disposed within the second groove 28, and a second slider 210 is sleeved on the outside of the second slide rod 29. The first slide rod 110 and the second slide rod 29 improve sliding stability.

[0045] Preferably, the linkage assembly further includes a first connecting member 31 and a second connecting member 33. The first slider 19 is connected to the first connecting member 31, and in this embodiment, the first connecting member 31 is connected to the side of the first slider 19 away from the vertical mounting plate 11. The second slider 210 is connected to the second connecting member 33, and the two ends of the first adjusting rod 32 are respectively rotatably connected to the first connecting member 31 and the second connecting member 33 via rotating shafts. The linkage assembly also includes a mounting member 34, which is connected to the side of the second slider 210 away from the second sliding rod 29. The side of the mounting member 34 facing the vertical mounting plate 11 is connected to the second connecting member 33. There are two first connecting members 31 and two second connecting members 33. A first rotating shaft is provided between the two first connecting members 31, and a second rotating shaft is provided between the two second connecting members 33. The first rotating shaft and the second rotating shaft are respectively rotatably connected to the corresponding ends of the first adjusting rod 32. The mounting member 34 serves as an intermediate connecting member, allowing for a more flexible structural design.

[0046] In this embodiment, the horizontal bearing mechanism 2 also includes a support component, which is located on the top of the base 21. When the beam 5 is pressed down on the first adjusting rod 32 and placed on the support component, the second elastic element 111 is compressed, and the top heights of the first slider 19 and the second slider 210 are not higher than the top height of the support component.

[0047] In this embodiment, the support assembly includes a support base and an alignment plate 26. The support base is erected on top of the base 21, and the alignment plate 26 is connected to the support base. The length direction of the alignment plate 26 is parallel to the length direction of the support base. The alignment plate 26 provides a preliminary positioning reference for the beam 5, assisting construction personnel in quickly and accurately placing the beam 5 in the predetermined position, thereby improving splicing efficiency. The support base is erected on the base 21 and its height can be finely adjusted in uneven environments to ensure that the beam 5 is level. The alignment plate 26 serves as an auxiliary alignment reference. During operation, the alignment plates 26 of the two beam fixing devices are aligned first, and then the beam 5 is placed, improving splicing accuracy and assembly efficiency.

[0048] Preferably, the support includes a placement plate 25 and a support leg 27, with the support leg 27 connected to the bottom of the placement plate 25. A pad 24 is fixedly mounted on the top of the base 21, and a second groove 28 passes through the pad 24. The pad 24 serves as a buffer and support layer between the base 21 and the support assembly, improving the service life of the device, and the support leg 27 rests on the top surface of the pad 24.

[0049] In a specific work scenario:

[0050] When quickly assembling the components of the beam fixing device, first fix the vertical mounting plate 11 to the base 21, and then rotate the two ends of the first adjusting rod 32 to the first slider 19 and the second slider 210 respectively.

[0051] When the beam 5 is not placed, the first magnet 14 and the second magnet 17 repel each other, the first elastic element 15 is stretched, and the inclined linkage component pulls the clamping plate 12 to form a stable state. The distance between the first magnet 14 and the second magnet 17 is not the shortest, which reduces the risk of magnetic saturation and ensures that the magnetic force can be effectively applied after the beam 5 is placed.

[0052] When beam 5 is pressed down, it presses down on the first adjusting rod 32, causing the first adjusting rod 32 to move from an inclined state to a parallel state. This movement causes the first slider 19 and the second slider 210 to slide along the first sliding rod 110 and the second sliding rod 29, respectively, and compresses the second elastic element 111. At the same time, the adjusting spring 15 changes from a stretched state to a compressed state, and works in conjunction with the repulsive magnetic forces of the first magnet 14 and the second magnet 17, thereby applying a clamping force to the side of beam 5 by the clamping plate 12.

[0053] In this embodiment, the beam 5 can also be stabilized by the protective mechanism 4. The connector 48 on the inner side of the protective plate 41 is inserted into the connector slot 211 of the base 21 to achieve initial positioning. Then, the second fixing plate 42 on the protective plate 41 is fastened to the first fixing plate 22 on the base 21 using the bolt assembly 46. Finally, the control component 45 is rotated to drive the second adjusting rod 43 to rotate in. Since the second adjusting rod 43 is threadedly connected to the protective plate 41 and its end is rotatably connected to the clamping component 44, rotating the second adjusting rod 43 will push the clamping component 44 at its end to move towards the front or back of the beam 5 and press it. Thus, the beam fixing device forms a multi-dimensional fastening of the beam 5 from the side through the clamping plate 12 and from another vertical direction through the clamping component 44, which greatly improves the stability of the beam 5.

[0054] During the splicing of two beams 5, the two beam fixing devices used for the steel structure are grouped together and coordinated with the clamping plates 12 facing each other. For example... Figure 2 As shown, this illustrates the fixed state of a single beam. When two beam fixing devices in a group work together, the opposing clamping forces generated by the two clamping plates 12 act together on the two beams 5, tightly pressing the spliced ​​ends together. Simultaneously, the protective mechanism 4 on each beam fixing device independently provides additional clamping to its respective beam 5. Through this coordination, a multi-force cooperative fixing system is formed, ensuring the overall stability of the spliced ​​structure.

[0055] It should be understood that the beam fixing device can be used in pairs, or a single device can be used to fix a single beam 5 and then used in conjunction with other fixing devices to splice two beams 5. The device can be used flexibly according to actual construction needs. Each component in this invention, such as the first elastic element 15 and the second elastic element 111, has a certain service life and duration. When elasticity decreases or performance deteriorates after long-term use, it can be replaced to maintain the good performance of this invention. Disassembly and assembly are convenient. Other connecting parts, such as bolts, can also be inspected and replaced according to actual usage.

[0056] This invention achieves automatic and stable application and release of clamping force during the placement of beam 5 through the synergistic effect between various components, and constitutes a multi-dimensional stable constraint on beam 5. It has the advantages of fast and convenient construction, reduced welding, reliable fixation, and reduced risk of splicing displacement.

[0057] The embodiments of the present invention have been described in detail above, but the content described is only a preferred embodiment of the present invention and should not be considered as limiting the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A beam fixing device for steel structures, characterized in that, include: A vertical support mechanism includes a vertical mounting plate and a clamping plate, wherein the clamping plate and the vertical mounting plate are disposed opposite to each other and are slidably connected to each other; A horizontal load-bearing mechanism includes a base connected to the vertical mounting plate to support the beam. Multiple protective mechanisms are provided, each of which is connected to the base and the multiple protective mechanisms are arranged opposite to each other to fix the beam. The linkage adjustment mechanism includes a linkage component, a first elastic element, and a first magnet and a second magnet that generate repulsive magnetic force. The first end of the first elastic element and the first magnet are connected to the vertical mounting plate, and the second end of the first elastic element and the second magnet are connected to the clamping plate. The linkage component is rotatably connected between the clamping plate and the base, and the two ends of the linkage component are slidably connected to the clamping plate and the base, respectively.

2. The beam fixing device for steel structures according to claim 1, characterized in that: Each of the protective mechanisms includes a protective plate and at least one abutment component, the protective plate being connected to the base, and the abutment component being movably connected to the protective plate to approach or move away from the beam placed on the base.

3. The beam fixing device for steel structures according to claim 2, characterized in that: The abutment assembly includes a second adjusting rod and a clamping member. The second adjusting rod is threaded into the protective plate, and the end of the second adjusting rod is connected to the clamping member.

4. The beam fixing device for steel structures according to claim 3, characterized in that: The clamping member is rotatably connected to the second adjusting rod.

5. The beam fixing device for steel structures according to any one of claims 2-4, characterized in that: The protective plate is detachably connected to the base. The protective mechanism also includes a connector and a bolt assembly. The protective plate is connected to the base via the connector and fixed by the bolt assembly.

6. The beam fixing device for steel structures according to any one of claims 1-4, characterized in that: The linkage assembly includes a first adjusting rod, a first slider, a second slider, and a second elastic element. The first end of the first adjusting rod is rotatably connected to the first slider, the first slider is slidably connected to the clamping plate, the second elastic element is disposed at the bottom of the first slider, the second end of the first adjusting rod is rotatably connected to the second slider, and the second slider is slidably connected to the base.

7. The beam fixing device for steel structures according to claim 6, characterized in that: The linkage assembly further includes a first slide rod and a second slide rod. A first slide groove is formed on the side of the clamping plate away from the vertical mounting plate. The first slide rod is disposed in the first slide groove. The second elastic element and the first slider are sleeved on the outside of the first slide rod. A second slide groove is formed on the base. The second slide rod is disposed in the second slide groove. The second slider is sleeved on the outside of the second slide rod.

8. The beam fixing device for steel structures according to claim 6, characterized in that: The horizontal bearing mechanism further includes a support component, which is disposed on the top of the base. When the beam presses down on the first adjusting rod and is placed on the support component, the second elastic element is compressed, and the top heights of the first slider and the second slider are not higher than the top height of the support component.

9. The beam fixing device for steel structures according to claim 8, characterized in that: The support assembly includes a support base and an alignment plate. The support base is mounted on top of the base, and the alignment plate is connected to the support base.

10. A construction method for a beam fixing device for steel structures, utilizing the beam fixing device for steel structures according to any one of claims 1-9, characterized in that, The construction steps include the following: Two beam fixing devices are set together and arranged opposite each other. The two beam fixing devices correspond to the second ends of the two beams to be spliced ​​respectively. The first end of each beam is used for splicing. Each beam fixing device is placed in a predetermined position so that the two clamping plates are arranged opposite each other. When the beam is placed above the corresponding base, the linkage component can be driven to move when the beam is pressed down. The linkage component adjusts the tilt angle, and at the same time, the first elastic element changes from a stretched state to a compressed state. When the beam is placed on the base, the beam is clamped by the abutment component of the protective mechanism to fix the individual beam. The clamping plate abuts against the beam under the synergistic action of the first elastic element, the first magnet and the second magnet, so that the first ends of the two beams abut against each other.

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