Fabricated steel beam-column connection and method of use

By using snap-fit ​​components and fasteners in the beam-column connection nodes of prefabricated steel structures, the fixing and disassembly process of I-beams is simplified, solving the problem of low installation efficiency caused by the large number of bolts used in existing technologies, and realizing fast and labor-saving connection operations.

CN119593514BActive Publication Date: 2025-10-24CHINA MCC17 GRP CO LTD
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Patent Information

Application Number
CN202411749421.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-10-24
Estimated Expiration
2044-12-02

AI Technical Summary

Technical Problem

In existing technologies, the beam-column connection nodes of prefabricated steel structures use a large number of bolts, resulting in cumbersome installation and disassembly processes that are time-consuming and inefficient.

Method used

The combination of snap-fit ​​and fasteners, along with the design of slots, grooves, and springs, makes the fixing and disassembly of the I-beam simple and effortless. The spring force of the pins and springs enables quick snap-fitting and release.

Benefits of technology

It enables rapid fixing and disassembly of I-beams, simplifies the operation process, and improves installation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a beam-column connecting joint of a fabricated steel structure and a use method thereof, relates to the technical field of beam-column connecting, and comprises a supporting column and an I-shaped steel. The outer surface of the supporting column is slidably connected with a mounting frame. The outer surface of the mounting frame extends to the inside of the supporting column and is provided with a slot. The inside of the mounting frame is provided with a sliding groove one on the two sides of the slot. The inner surface of the sliding groove one is slidably connected with a clamping piece for clamping and fixing the positions of the supporting column and the I-shaped steel. The inside of the mounting frame is provided with a mounting groove one on the front side of the sliding groove one. The inner surface of the mounting groove one is slidably connected with a reset piece. The clamping piece and the fixing piece are used in cooperation. After the I-shaped steel is slid into the inside of the slot, the staff only needs to press the connecting frame to make the bolt clamped into the inside of the insertion hole under the elastic force of the spring three, so that the fixing effect of the I-shaped steel is realized. The operation is simple, time-saving and labor-saving.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of beam-column connection, in particular to a beam-column connection node of fabricated steel structure and a use method thereof. BACKGROUND

[0002] The beam-column connection node of fabricated steel structure is an important connecting part in steel structure construction, has various connection forms and complex connection types, and is a difficulty and key point of steel structure node design.

[0003] Chinese patent CN219621974U discloses a kind of fabricated steel structure connection node, is located center and is set as beam column, four longitudinal edges of beam column are symmetrically arranged clamping base, preferably two clamping bases are symmetrically arranged on the longitudinal edge of beam column, connecting mechanism is sleeved on the outside of beam column, clamping column is symmetrically arranged at the four corners of the inner side of connecting mechanism, after connecting mechanism is sleeved on the outside of beam column, clamping column is inserted in clamping base, for connecting mechanism fixed installation on beam column, four connecting mechanisms are evenly distributed and installed with crossbeam one, opposite two sides of crossbeam one are reinforced and installed with connecting mechanism by support angle plate, support angle plate is arranged on both sides of crossbeam one and is connected by reinforcing rib plate, to realize the installation between reinforcing crossbeam one and connecting mechanism.

[0004] The prior art such as the above patent fixes slide channel opening and reinforcing rib plate on the upper surface of support angle plate, the included angle of support angle plate and clamping column by bolt respectively, so as to realize the fixation of support angle plate position, but the device has more number of bolts, which leads to complicated fixation, installation and locking process, longer time consumption and lower installation efficiency. SUMMARY

[0005] The present application aims to solve the problem of more number of bolts, complicated fixation, installation and locking process, longer time consumption and lower installation efficiency.

[0006] In order to achieve the above-mentioned application purpose, the present application provides the following technical solutions: a beam-column connection node of fabricated steel structure and a use method thereof, to improve the above-mentioned problems.

[0007] The beam-column connecting joint of the prefabricated steel structure specifically comprises a supporting column and I-shaped steels, four of which are circumferentially arranged, the outer surface of the supporting column is slidably connected with a mounting rack, the outer surface of the mounting rack extends to the inside of the supporting column and is provided with a slot, four slots are formed on the four sides of the mounting rack, the slots are slidably arranged with the I-shaped steels, the inside of the mounting rack is provided with a sliding groove one on the two sides of the slot, the inner surface of the sliding groove one is slidably connected with a clamping piece for clamping and fixing the positions of the supporting column and the I-shaped steels, the inside of the mounting rack is provided with a mounting groove one on the front side of the sliding groove one, the inner surface of the mounting groove one is slidably connected with a reset piece, the outer surface of the mounting rack is fixedly connected with a sliding groove block above the I-shaped steels, and the inner surface of the sliding groove block is slidably connected with a fixing piece for fixing the clamping piece.

[0008] Through the cooperation of the clamping piece and the fixing piece, after the I-shaped steel is slid into the inside of the slot, the staff only needs to press the connecting rack to make the bolt clamped into the inside of the insertion hole under the elastic force of the spring three, so that the fixing effect of the I-shaped steel is realized, the operation is simple, time and labor are saved, and through the arrangement of the reset piece, the dismounting process of the I-shaped steel is also simple and convenient.

[0009] Preferably, the clamping piece comprises a sliding plate, the sliding plate is slidably arranged with the sliding groove one, the inside of the mounting rack is provided with a sliding groove two on the left side of the sliding plate, the inner surface of the sliding groove two is slidably connected with a sliding block, and the upper and lower surfaces of the I-shaped steel in the inside of the mounting rack are throughly provided with a clamping groove, the inner surface of the clamping groove is slidably connected with a clamping block.

[0010] Preferably, the top end of the right side surface and the upper and lower ends of the left side surface of the sliding block are arranged in a curved surface, and the outer surface of the clamping block is provided with an inclined surface on one side of the sliding block.

[0011] Preferably, the sliding groove one is circumferentially arranged with eight.

[0012] Preferably, the top end of the sliding plate extends to the top inside of the mounting rack and is fixedly connected with a connecting rack.

[0013] Preferably, the reset piece comprises a connecting block one, the connecting block one is slidably arranged with the mounting groove one, the connecting block one is fixedly connected with the sliding block, a spring one is fixedly connected between the connecting block one and the mounting groove one, the inside of the mounting rack is provided with a mounting groove two on one side of the connecting block one, one end of the inner surface of the mounting groove two is fixedly connected with a spring two, one end of the spring two is fixedly connected with a connecting block two, and the connecting block two is fixedly connected with the clamping block.

[0014] Preferably, the fixing member comprises a sliding rod, the sliding rod is in sliding connection with the sliding groove block, one end of the sliding rod is fixedly connected with a latch, the inner side of the mounting frame and the connecting frame is provided with a insertion hole, the latch is in sliding connection with the insertion hole, the spring three is fixedly connected between the latch and the sliding groove block, and the other end of the outer surface of the sliding rod extends to the outer side of the sliding groove block and is fixedly connected with a connecting plate.

[0015] The application further discloses a use method of the beam-column connecting joint of the fabricated steel structure.

[0016] When the I-shaped steel is fixed, the staff only needs to press the connecting frame to make the latch be clamped into the inner side of the insertion hole under the elastic force of the spring three, so that the fixing effect of the I-shaped steel is realized.

[0017] When the fixing of the I-shaped steel is released, the connecting plate is pulled to drive the sliding rod and the latch fixedly connected with the sliding rod to move synchronously, so that the latch is separated from the inner side of the insertion hole and the spring three is compressed, the connecting frame is pulled upward to drive the sliding plate to move upward, the contact between the sliding plate and the sliding block is released, the connecting block one drives the sliding block to slide away from the I-shaped steel under the elastic force of the spring one, the contact between the sliding block and the clamping block is released, the connecting block two drives the clamping block to move synchronously under the elastic force of the spring two, so that the clamping block is separated from the inner side of the clamping groove, then the I-shaped steel is pulled outward, the I-shaped steel is separated from the inner side of the insertion groove, and thus the releasing of the fixing of the I-shaped steel is completed.

[0018] When the position of the I-shaped steel needs to be fixed, the mounting frame is slid to correspond to the position of the insertion groove formed in the surface of the supporting column, then the I-shaped steel is manually slid into the insertion groove, the connecting frame is pressed downward to drive the sliding plate to move synchronously, the sliding plate is in contact with the curved surface formed in the top end of the right side surface of the sliding block, so that the sliding block is driven to move toward the I-shaped steel, meanwhile, the sliding block is driven to move the clamping block because the left side surface of the sliding block is provided with inclined surfaces at the upper end and the lower end, and one end of the clamping block is provided with an inclined surface, the clamping block is slid into the clamping groove, at this moment, the latch is slid into the insertion hole under the elastic force of the spring three, the position of the connecting frame is fixed, and thus the fixing of the position of the I-shaped steel is realized.

[0019] Compared with the prior art, the application has the following beneficial effects:

[0020] Through the cooperation of the clamping member and the fixing member, the staff only needs to press the connecting frame to make the latch be clamped into the inner side of the insertion hole under the elastic force of the spring three after the I-shaped steel is slid into the insertion groove, so that the fixing effect of the I-shaped steel is realized, the operation is simple, time and labor are saved, and the dismounting process of the I-shaped steel is also simple and convenient through the setting of the reset member. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The structural schematic diagram of the beam-column connecting joint of the fabricated steel structure provided in the application is shown in the figure.

[0022] Figure 2 The structural schematic diagram of the mounting frame of the beam-column connecting joint of the fabricated steel structure provided in the application is shown in the figure.

[0023] Figure 3 The front sectional structural schematic diagram of the sliding plate of the beam-column connecting joint of the fabricated steel structure provided in the application is shown in the figure.

[0024] Figure 4 The front sectional structural schematic diagram of the I-beam of the beam-column connecting joint of the fabricated steel structure provided in the application is shown in the figure.

[0025] Figure 5 The structural schematic diagram of the connecting block one of the beam-column connecting joint of the fabricated steel structure provided in the application is shown in the figure.

[0026] Figure 6 The front sectional structural schematic diagram of the support column of the beam-column connecting joint of the fabricated steel structure provided in the application is shown in the figure.

[0027] Figure 7 The structural schematic diagram of the I-beam of the beam-column connecting joint of the fabricated steel structure provided in the application is shown in the figure.

[0028] In the figure: 1, support column; 11, I-beam; 2, mounting frame; 21, insertion slot; 3, sliding plate; 31, sliding groove one; 32, sliding groove two; 33, sliding block; 34, clamping groove; 35, clamping block; 36, connecting frame; 4, connecting block one; 41, mounting slot one; 42, spring one; 43, mounting slot two; 44, spring two; 45, connecting block two; 5, sliding groove block; 51, sliding rod; 52, insertion pin; 53, connecting plate; 54, spring three. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the application more clear, the technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the application, rather than all the embodiments of the application.

[0030] Therefore, the following detailed description of the embodiments of the application is not intended to limit the scope of the claimed application, but merely represents some embodiments of the application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the application without creative labor are within the scope of protection of the application.

[0031] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0032] It should be noted that similar reference numerals and letters refer to similar items throughout the accompanying drawings, and thus, once an item is defined in one drawing, it is not necessary to further define and explain it in subsequent drawings.

[0033] In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the application is used, or the orientation or positional relationship commonly understood by those skilled in the art, such terms are only for the convenience of describing the application and simplifying the description, and are not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. In addition, the terms "first", "second", and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0034] As described in the background, due to the large number of bolts used, the installation process is complicated, it takes more time, and the installation efficiency is low.

[0035] To solve this technical problem, the present application provides a beam-column connection joint of a fabricated steel structure and a use method thereof.

[0036] Specifically, please refer to Figures 1-7 , the beam-column connection joint of the fabricated steel structure and the use method thereof specifically comprises a support column 1, four I-shaped steels 11, the outer surface of the support column 1 is slidably connected with a mounting rack 2, the outer surface of the mounting rack 2 extends to the inside of the support column 1 and is provided with a slot 21, four slots 21 are provided on the four sides of the mounting rack 2, the slot 21 is slidably provided with the I-shaped steel 11, two slide grooves 31 are provided on the two sides of the slot 21 in the inside of the mounting rack 2, the inner surface of the slide groove 31 is slidably connected with a clamping piece for clamping and fixing the positions of the support column 1 and the I-shaped steel 11, a mounting groove 41 is provided on the front side of the slide groove 31 in the inside of the mounting rack 2, the inner surface of the mounting groove 41 is slidably connected with a reset piece, a slide groove block 5 is fixedly connected to the upper side of the I-shaped steel 11 on the outer surface of the mounting rack 2, and the inner surface of the slide groove block 5 is slidably connected with a fixing piece for fixing the clamping piece.

[0037] Through cooperation of the clamping piece and the fixing piece, after the worker slides the I-shaped steel 11 into the inside of the slot 21, only needs to press the connecting frame 36, so that the bolt 52 is clamped into the inside of the insertion hole under the elastic force of the spring three 54, the fixing effect of the I-shaped steel 11 is realized, the operation is simple, time and labor are saved, and through the setting of the reset piece, the dismounting process of the I-shaped steel 11 is also simple and convenient.

[0038] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings.

[0039] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0040] It should be noted that: similar labels and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0041] Embodiment 1

[0042] Please refer to Figures 1-7The utility model provides a kind of beam-column joint of fabricated steel structure, including support column 1, I-steel 11, I-steel 11 is peripherally provided with four, the outer surface of support column 1 is slidably connected with mounting rack 2, the outer surface of mounting rack 2 extends to the inside of support column 1 and is provided with slot 21, slot 21 is provided with four in four sides of mounting rack 2, slot 21 is slidably arranged with I-steel 11, the inside of mounting rack 2 is provided with sliding groove one 31 in the both sides of slot 21, the inner surface of sliding groove one 31 is slidably connected with the clamping piece for the position of support column 1, I-steel 11 is clamped and fixed, the inside of mounting rack 2 is provided with mounting groove one 41 in the front side of sliding groove one 31, the inner surface of mounting groove one 41 is slidably connected with reset piece, the outer surface of mounting rack 2 is fixedly connected with sliding groove block 5 above I-steel 11, the inner surface of sliding groove block 5 is slidably connected with the fixing piece for the clamping piece is fixed. Clamping piece includes sliding plate 3, sliding plate 3 is slidably arranged with sliding groove one 31, the inside of mounting rack 2 is provided with sliding groove two 32 in the left side of sliding plate 3, the inner surface of sliding groove two 32 is slidably connected with sliding block 33, the upper and lower surfaces of I-steel 11 in the inside of mounting rack 2 are provided with clamping groove 34, and the inner surface of clamping groove 34 is slidably connected with clamping block 35. Sliding groove one 31 is peripherally arranged with eight. The top of sliding plate 3 extends to the top inside of mounting rack 2 and is fixedly connected with connecting rack 36. Reset piece includes connecting block one 4, connecting block one 4 is slidably arranged with mounting groove one 41, connecting block one 4 is fixedly connected with sliding block 33, spring one 42 is fixedly connected between connecting block one 4 and mounting groove one 41, mounting groove two 43 is provided in one side of the inside of mounting rack 2, one end of the inner surface of mounting groove two 43 is fixedly connected with spring two 44, one end of spring two 44 is fixedly connected with connecting block two 45, and connecting block two 45 is fixedly connected with clamping block 35. Fixed piece includes sliding rod 51, sliding rod 51 is slidably arranged with sliding groove block 5, one end of sliding rod 51 is fixedly connected with latch 52, the inner side of mounting rack 2, connecting rack 36 is provided with insertion hole, latch 52 is slidably arranged with insertion hole, spring three 54 is fixedly connected between latch 52 and sliding groove block 5, the other end of the outer surface of sliding rod 51 extends to the outside of sliding groove block 5 and is fixedly connected with connecting plate 53.

[0043] The implementation process is as follows: when it is needed to release the fixing of the I-shaped steel 11, one of the connecting plates 53 is pulled to drive the synchronous movement of the slide rod 51 fixedly connected thereto, thereby driving the synchronous movement of the bolt 52 fixedly connected with the slide rod 51, so that the bolt 52 is separated from the inside of the insertion hole and the spring 54 is compressed, the connecting frame 36 is pulled upward to drive the slide plate 3 to move upward, the contact between the slide plate 3 and the slide block 33 is released, the connecting block 4 drives the slide block 33 to slide away from the I-shaped steel 11 under the elastic force of the spring 42, the contact between the slide block 33 and the clamping block 35 is released, the connecting block 2 drives the synchronous movement of the clamping block 35 fixedly connected thereto under the elastic force of the spring 44, so that the clamping block 35 is separated from the inside of the clamping groove 34, and then the I-shaped steel 11 is pulled outward to be separated from the inside of the insertion groove 21, so that the releasing of the fixing of the I-shaped steel 11 is completed.

[0044] Embodiment 2

[0045] The top end of the right side surface and the upper and lower ends of the left side surface of the slide block 33 are provided in a curved surface, and the outer surface of the clamping block 35 is provided with an inclined surface on one side of the slide block 33.

[0046] The implementation process is as follows: when it is needed to release the fixing of the I-shaped steel 11, one of the connecting plates 53 is pulled to drive the synchronous movement of the slide rod 51 fixedly connected thereto, thereby driving the synchronous movement of the bolt 52 fixedly connected with the slide rod 51, so that the bolt 52 is separated from the inside of the insertion hole and the spring 54 is compressed, the connecting frame 36 is pulled upward to drive the slide plate 3 to move upward, the contact between the slide plate 3 and the slide block 33 is released, the connecting block 4 drives the slide block 33 to slide away from the I-shaped steel 11 under the elastic force of the spring 42, the contact between the slide block 33 and the clamping block 35 is released, the connecting block 2 drives the synchronous movement of the clamping block 35 fixedly connected thereto under the elastic force of the spring 44, so that the clamping block 35 is separated from the inside of the clamping groove 34, and then the I-shaped steel 11 is pulled outward to be separated from the inside of the insertion groove 21, so that the releasing of the fixing of the I-shaped steel 11 is completed.

[0047] The above embodiments are only used to illustrate the technical solutions described in the present application and not to limit the present application. Although the present application has been described in detail with reference to the above embodiments, the present application is not limited to the above specific embodiments, and any modification or equivalent replacement of the present application; and all technical solutions and improvements without departing from the spirit and scope of the application are encompassed in the scope of the claims of the present application.

Claims

1. A beam-to-column connection joint of fabricated steel structure, characterized by, Including support column (1), I-shaped steel (11), the I-shaped steel (11) circumferentially is provided with four, the outer surface of support column (1) is slidably connected with mounting bracket (2), the outer surface of mounting bracket (2) extends to the inside of support column (1) and is provided with slot (21), the slot (21) is provided with four in the four sides of mounting bracket (2), the slot (21) is slidably arranged with I-shaped steel (11), the inside of mounting bracket (2) is provided with sliding groove one (31) in the two sides of slot (21), the inner surface of sliding groove one (31) is slidably connected with the clamping piece for the position of support column (1), I-shaped steel (11) is clamped and fixed, the inside of mounting bracket (2) is provided with mounting groove one (41) in the front side of sliding groove one (31), the inner surface of mounting groove one (41) is slidably connected with reset piece, the outer surface of mounting bracket (2) is fixedly connected with sliding groove block (5) above I-shaped steel (11), the inner surface of sliding groove block (5) is slidably connected with the fixing piece for the fixing of clamping piece; The clamping piece includes a sliding plate (3), the sliding plate (3) is slidably arranged with the sliding groove one (31), the inside of mounting bracket (2) is provided with sliding groove two (32) in the left side of sliding plate (3), the inner surface of sliding groove two (32) is slidably connected with sliding block (33), the upper and lower surfaces of I-shaped steel (11) in the inside of mounting bracket (2) are provided with clamping groove (34) penetratingly, the inner surface of clamping groove (34) is slidably connected with clamping block (35); The top end of the right side surface and the upper and lower ends of the left side surface of the sliding block (33) are curvedly arranged, and an inclined surface is formed on one side of the outer surface of the clamping block (35); The top end of the sliding plate (3) extends to the top inside of the mounting bracket (2) and is fixedly connected with a connecting bracket (36); The reset piece includes a connecting block one (4), the connecting block one (4) is slidably arranged with the mounting groove one (41), the connecting block one (4) is fixedly connected with the sliding block (33), a spring one (42) is fixedly connected between the connecting block one (4) and the mounting groove one (41), the inside of mounting bracket (2) is provided with mounting groove two (43) in one side of the connecting block one (4), one end of the inner surface of mounting groove two (43) is fixedly connected with a spring two (44), one end of the spring two (44) is fixedly connected with a connecting block two (45), the connecting block two (45) is fixedly connected with the clamping block (35); The fixing piece includes a sliding rod (51), the sliding rod (51) is slidably arranged with the sliding groove block (5), one end of the sliding rod (51) is fixedly connected with a latch (52), the inner side of the mounting bracket (2) and the connecting bracket (36) is provided with a plug hole, the latch (52) is slidably arranged with the plug hole, a spring three (54) is fixedly connected between the latch (52) and the sliding groove block (5), the other end of the outer surface of the sliding rod (51) extends to the outer side of the sliding groove block (5) and is fixedly connected with a connecting plate (53).

2. The fabricated steel structure beam-column connection joint according to claim 1, characterized in that, The chute one (31) is arranged in a circumferential array with eight.

3. The use method of the beam-column connecting joint of the fabricated steel structure, comprising the beam-column connecting joint of the fabricated steel structure according to any one of claims 1-2, characterized in that: In use, after the I-beam (11) is slid into the inside of the slot (21), the staff only needs to press the connecting frame (36) to make the bolt (52) be clamped into the inside of the insertion hole under the elastic force of the spring three (54), so as to realize the fixation of the I-beam (11); When the fixation of the I-beam (11) needs to be released, the connecting plate (53) is pulled to drive the slide rod (51) and the bolt (52) fixedly connected with the slide rod (51) to move synchronously, so that the bolt (52) is separated from the inside of the insertion hole and the spring three (54) is compressed, the connecting frame (36) is pulled upward to drive the sliding plate (3) to move upward, the contact between the sliding plate (3) and the sliding block (33) is released, the connecting block one (4) drives the sliding block (33) to slide away from the I-beam (11) under the elastic force of the spring one (42), the contact between the sliding block (33) and the clamping block (35) is released, the connecting block two (45) drives the clamping block (35) to move synchronously under the elastic force of the spring two (44), so that the clamping block (35) is separated from the inside of the clamping groove (34), then the I-beam (11) is pulled outward, so that the I-beam (11) is separated from the inside of the slot (21), thereby the release of the fixation of the I-beam (11) is completed.

4. The method of using the fabricated steel structure beam-column connection node according to claim 3, characterized in that: When the position of the I-beam (11) needs to be fixed, the mounting frame (2) is slid to correspond to the position of the slot (21) opened on the surface of the supporting column (1), then the I-beam (11) is manually slid into the inside of the slot (21), the connecting frame (36) is pressed downward to drive the sliding plate (3) to move synchronously, so that the sliding plate (3) contacts with the curved surface opened on the top end of the right side surface of the sliding block (33), thereby the sliding block (33) is pushed to move toward the I-beam (11), because the inclined surfaces are opened on the upper and lower ends of the left side surface of the sliding block (33) and one end of the clamping block (35) is opened in an inclined surface, the movement of the sliding block (33) drives the clamping block (35) to move, so that the clamping block (35) is slid into the inside of the clamping groove (34), at this time, the bolt (52) is slid into the inside of the insertion hole under the elastic force of the spring three (54), the position of the connecting frame (36) is fixed, thereby the fixation of the position of the I-beam (11) is realized.

Citation Information

Patent Citations

  • Fabricated steel structure connecting joint

    CN219621974U

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    CN112593629A

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    CN118933194A