Steel structure connecting device for factory building

By designing a connecting frame and an extrusion positioning mechanism, a hole-free connection of I-beams is achieved, solving the problems of cumbersome connections and high costs in existing technologies, and improving the efficiency and reliability of steel structure connections.

CN121575846APending Publication Date: 2026-02-27JIANGYIN JIANHE STEEL CO LTD
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Patent Information

Application Number
CN202511719198.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-21
Publication Date
2026-02-27

AI Technical Summary

Technical Problem

The existing technology for connecting steel structures is cumbersome, requiring connection holes to be drilled in the I-beams, which increases the cost of building the factory and affects the efficiency of the connection.

Method used

A connecting device consisting of a connecting frame, lead screw, slot, first extrusion plate, fixed tube and wedge is adopted. The hole-free connection of the I-beam is achieved through extrusion and positioning mechanism, and the connection reliability is improved by using ball bearings and wedges.

Benefits of technology

No holes need to be drilled in the I-beams, reducing factory construction costs, improving connection efficiency, and ensuring accurate alignment of the I-beams, thus enhancing connection reliability.

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Abstract

The invention relates to a steel structure connecting device for a factory building, and belongs to the technical field of steel structure connection, the steel structure connecting device comprises a connecting frame, a connecting cavity is formed in the connecting frame, the connecting cavity extends to the two sides of the connecting frame in the length direction of the connecting frame, and the connecting frame and the connecting cavity are both I-shaped; a connecting mechanism is arranged on the connecting frame; the connecting mechanism comprises two first connecting assemblies and two second connecting assemblies, I-shaped steel is located by extruding the I-shaped steel through a first extruding plate and balls, connecting holes do not need to be formed in the I-shaped steel, the building cost of a plant is reduced, the connecting efficiency of a steel structure is improved, and the connecting structure is convenient to use. In addition, through movement of the first extrusion plate, alignment between the two pieces of I-shaped steel can be achieved, the two pieces of I-shaped steel are located at the opposite positions, the connecting effect of the two pieces of I-shaped steel is improved, and then the connecting reliability of the two pieces of I-shaped steel can be improved through the wedge block and the second extrusion plate.
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Description

TECHNICAL FIELD

[0001] The application relates to a steel structure connecting device for a factory building and belongs to the technical field of steel structure connection. BACKGROUND

[0002] Steel structure is a structure composed of steel materials and is one of main building structure types; the structure is mainly composed of steel beams, steel columns, steel trusses and other components made of profile steel and steel plates, and welding, bolts or rivets are usually used to connect between components or parts, the steel structure is widely applied to large factories, venues, super high-rise buildings and other fields due to its light weight and simple construction. With the development of science and technology, the steel structure is continuously developed and improved, and the steel structure connecting device is widely used in the connection of the steel structure.

[0003] The Chinese utility model patent with the publication number CN218814367U discloses a high-strength steel structure connecting piece for a factory building, which comprises a connecting block, a fixing mechanism is arranged in the inner cavity of the connecting block, an adjusting mechanism is arranged on the inner wall of the connecting block, the fixing mechanism comprises a fixing plate, the fixing plate is slidably connected to the inner wall of the connecting block on both sides, the adjusting mechanism comprises an adjusting plate, the bottom of the adjusting plate is fixedly connected to the top of the fixing plate, and a bearing is fixedly connected to the top of the adjusting plate. The high-strength steel structure connecting piece for a factory building can preliminarily fix the steel structure by extruding the steel structure through the fixing plate, further fix the steel structure through the bolt rod and the nut, and then tightly adhere the rubber block on the top of the fixing plate to the nut through the positioning plate, so that the nut can be effectively prevented from loosening in long-term use. However, the steel structure needs to be processed to have a connecting hole in the prior art, and the connecting hole needs to be sleeved on the bolt tube during the steel structure connection process, so that the operation is complicated, the cost of building the factory building is increased, and the steel structure connection efficiency is affected.

[0004] Therefore, a steel structure connecting device for a factory building is needed to reduce the cost of building the factory building and improve the steel structure connection efficiency. SUMMARY

[0005] The application aims to overcome the deficiencies of the prior art and provide a steel structure connecting device for a factory building, which can reduce the cost of building the factory building and improve the steel structure connection efficiency.

[0006] The technical scheme adopted by the application to solve the above problems is as follows: a steel structure connecting device for a factory building, comprising a connecting frame, a connecting cavity is arranged in the connecting frame, the connecting cavity extends to both sides of the connecting frame along the length direction of the connecting frame, the connecting frame and the connecting cavity are both I-shaped, and a connecting mechanism is arranged on the connecting frame. The connecting mechanism comprises two groups of first connecting components and two groups of second connecting components, and the two groups of first connecting components and the two groups of second connecting components are symmetrically distributed on both sides of the connecting frame along the width direction of the connecting frame. The first connecting component comprises a lead screw, a slot and two first extrusion plates, the slot is arranged on the connecting frame, the slot extends into the connecting cavity, the lead screw is parallel to the length direction of the connecting frame, the two first extrusion plates are symmetrically arranged on both sides of the lead screw along the height direction of the connecting frame, the two first extrusion plates correspond to and match the two slots, the first extrusion plate is located in the slot, the lead screw is located outside the connecting frame, the lead screw is rotationally connected with the connecting frame through a bearing, two sliders are threadedly connected on the lead screw, the two sliders are symmetrically distributed along the length direction of the lead screw, two connecting rods are arranged on the slider, the two connecting rods on the slider correspond to the two first extrusion plates, the connecting rod is located between the slider and the first extrusion plate, the connecting rod is arranged obliquely, and the two ends of the connecting rod are hingedly connected with the first extrusion plate and the slider respectively. The second connecting component comprises a fixed tube, the fixed tube is parallel to the width direction of the connecting frame, the fixed tube is fixedly arranged on the outer wall of the connecting frame, the inner cavity of the fixed tube is communicated with the connecting cavity, an extrusion rod is threadedly connected in the fixed tube, the extrusion rod is coaxially arranged with the fixed tube, and a ball is rollingly embedded in the inner end of the extrusion rod.

[0007] Preferably, the lead screw comprises a shaft body and two screw rod portions, the two screw rod portions are coaxially arranged at the two ends of the shaft body respectively, the bearing is connected with the shaft body, the two screw rod portions are connected with the two sliders respectively, threads are arranged on the screw rod portions, and the threads on the two screw rod portions are opposite in rotation direction.

[0008] Preferably, two second connecting components are arranged in each group, and the two second connecting components in the same group are symmetrically arranged along the length direction of the connecting frame.

[0009] Preferably, a rotating block is fixedly arranged at the outer end of the extrusion rod, and a blind hole is arranged on the rotating block.

[0010] Preferably, the connecting frame comprises a first frame segment and a second frame segment located on both sides of the first frame segment in the height direction, the connecting cavity comprises a first cavity and two second cavities, the first cavity is located in the first frame segment, and the two second cavities are located in the two second frame segments respectively. The slot is located on the side of the second frame segment close to the first frame segment, and the fixed tube is located on the first frame segment.

[0011] Preferably, a positioning plate is arranged in the first cavity.

[0012] Preferably, a second extrusion plate is arranged in the second cavity, and a locking screw is arranged on the second frame segment.

[0013] Preferably, a wedge is provided at the connection between the first cavity and the second cavity.

[0014] Preferably, the wedge is L-shaped, and the two inner sides of the wedge are inclined surfaces.

[0015] Preferably, the slot, fixing tube, and connecting frame are integrally formed.

[0016] Compared with the prior art, the advantages of the present invention are as follows: This invention discloses a steel structure connection device for factory buildings. The device positions the I-beams by pressing them with a first extrusion plate and ball bearings, eliminating the need for connection holes on the I-beams. This not only reduces factory building construction costs but also improves the connection efficiency of the steel structure. Furthermore, the movement of the first extrusion plate can achieve alignment between two I-beams, ensuring they are in a directly opposite position and improving the connection effect. Additionally, the wedge block and the second extrusion plate further enhance the reliability of the connection between the two I-beams. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the connection structure between a steel structure connection device for factory buildings and an I-beam according to the present invention; Figure 2 for Figure 1 The main view; Figure 3 for Figure 1 Top view; Figure 4 for Figure 1 The left view; Figure 5 This is a perspective view of a steel structure connection device for factory buildings according to the present invention; Figure 6 for Figure 5 The main view; Figure 7 for Figure 5 Top view; Figure 8 for Figure 5 The left view; Figure 9 A 3D view of the connecting frame; Figure 10 This is a sectional view of the connecting frame; Figure 11 This is a schematic diagram of the structure of the first connecting component; Figure 12 This is a schematic diagram of the lead screw structure; Figure 13 This is a schematic diagram of the structure of the second connecting component; Figure 14This is a schematic diagram of the wedge block structure; Figure 15 This is a schematic diagram of an I-beam.

[0018] in: 1. Connecting frame; 2. Connecting cavity; 3. Connecting mechanism; 4. Positioning plate; 5. Second pressing plate; 6. Locking screw; 7. Wedge; 8. Inclined surface; 9. I-beam. First frame segment 11, second frame segment 12; First cavity 21, second cavity 22; First connecting component 31, second connecting component 32; Lead screw 311, slot 312, first pressing plate 313, bearing 314, slider 315, connecting rod 316; Shaft body 3111, screw part 3112; Fixed tube 321, extrusion rod 322, ball bearing 323, rotating block 324, blind hole 325; Middle section 91, side section 92. Detailed Implementation

[0019] like Figures 1 to 15 As shown, a steel structure connection device for factory buildings in this embodiment includes a connection frame 1, a connection cavity 2 is provided in the connection frame 1, the connection cavity 2 extends along the length direction of the connection frame 1 to both sides of the connection frame 1, both the connection frame 1 and the connection cavity 2 are I-shaped, and a connection mechanism 3 is provided on the connection frame 1. The connecting mechanism 3 includes two sets of first connecting components 31 and two sets of second connecting components 32. The two sets of first connecting components 31 and the two sets of second connecting components 32 are symmetrically distributed on both sides of the connecting frame 1 along the width direction. The first connecting assembly 31 comprises a lead screw 311, a slot 312 and two first extrusion plates 313. The slot 312 is arranged on the connecting frame 1 and extends into the connecting cavity 2. The lead screw 311 is parallel to the length direction of the connecting frame 1. The two first extrusion plates 313 are symmetrically arranged on both sides of the lead screw 311 along the height direction of the connecting frame 1. The two first extrusion plates 313 correspond to and match the two slots 312. The first extrusion plate 313 is located in the slot 312. The lead screw 311 is located outside the connecting frame 1. The lead screw 311 is rotationally connected to the connecting frame 1 through a bearing 314. Two sliding blocks 315 are threadedly connected to the lead screw 311. The two sliding blocks 315 are symmetrically distributed along the length direction of the lead screw 311. Two connecting rods 316 are arranged on the sliding block 315. The two connecting rods 316 on the sliding block 315 correspond to the two first extrusion plates 313. The connecting rod 316 is located between the sliding block 315 and the first extrusion plate 313. The connecting rod 316 is arranged obliquely. The two ends of the connecting rod 316 are hingedly connected to the first extrusion plate 313 and the sliding block 315, respectively. The lead screw 311 comprises a shaft body portion 3111 and two screw rod portions 3112. The two screw rod portions 3112 are coaxially arranged at both ends of the shaft body portion 3111, respectively. The bearing 314 is connected to the shaft body portion 3111. The two screw rod portions 3112 are connected to the two sliding blocks 315, respectively. The screw rod portion 3112 is provided with threads. The threads on the two screw rod portions 3112 are opposite in rotation direction. Each group of the second connecting assembly 32 is provided with two second connecting assemblies 32. The two second connecting assemblies 32 in the same group are symmetrically arranged along the length direction of the connecting frame 1. The second connecting assembly 32 comprises a fixed tube 321. The fixed tube 321 is parallel to the width direction of the connecting frame 1. The fixed tube 321 is fixedly arranged on the outer wall of the connecting frame 1. The inner cavity of the fixed tube 321 is in communication with the connecting cavity 2. An extrusion rod 322 is threadedly connected to the fixed tube 321. The extrusion rod 322 is coaxially arranged with the fixed tube 321. A ball 323 is rollingly embedded in the inner end of the extrusion rod 322. A rotating block 324 is fixedly arranged at the outer end of the extrusion rod 322. A plurality of blind holes 325 are arranged on the rotating block 324. The plurality of blind holes 325 are uniformly distributed in the circumferential direction with the axis of the extrusion rod 322 as the center. During use, the steel structure is an I-beam 9, two I-beams 9 are respectively inserted into the connecting cavities 2, then a tool is inserted into the blind hole 325 and the rotating block 324 is rotated, the rotation of the rotating block 324 drives the synchronous rotation of the extrusion rod 322, so that the extrusion rod 322 moves towards the connecting cavities 2, and the two sides of the I-beam 9 in the width direction are abutted by the balls 323, so that the positioning of the I-beam 9 in the width direction is realized, then the lead screw 311 is rotated, the two sliding blocks 315 are moved, the movement of the sliding blocks 315 drives the movement of the first extrusion plates 313 through the connecting rods 316, and the two first extrusion plates 313 move away from each other and are inserted into the connecting cavities 2, with the movement of the first extrusion plates 313, the first extrusion plates 313 are in close contact with the I-beam 9, that is, the positioning of the I-beam 9 in the height direction is realized, and through clamping the I-beam 9, the relative fixation between the I-beam 9 and the connecting frame 1 is realized; Here, it should be noted that when the first extrusion plates 313 move and push the I-beam 9 to move in the height direction, the movement of the I-beam 9 is facilitated by the abutment of the balls 323 and the I-beam 9, in addition, the two I-beams 9 can be adjusted in position and be in the opposite position by the two extrusion plates in the same first connecting assembly 31 pushing the I-beam 9; The connecting frame 1 comprises a first frame section 11 and a second frame section 12 located on both sides of the first frame section 11 in the height direction, the connecting cavities 2 comprise a first cavity 21 and two second cavities 22, the first cavity 21 is located in the first frame section 11, and the two second cavities 22 are respectively located in the two second frame sections 12; The insertion slot 312 is located on the side of the second frame section 12 close to the first frame section 11, the fixed tube 321 is located on the first frame section 11, and the insertion slot 312, the fixed tube 321 and the connecting frame 1 are an integrated molding mechanism; The I-beam 9 comprises a middle section 91 and side sections 92 located on both sides of the middle section 91 in the height direction; During the connection of the two I-beams 9, the middle section 91 is inserted into the first cavity 21, the two side sections 92 are respectively inserted into the two second cavities 22, the balls 323 abut the middle section 91, and the first extrusion plates 313 abut the side of the side sections 92 close to the middle section 91; The first cavity 21 is provided with a positioning plate 4, the positioning plate 4 is located at the center of the connecting frame 1, and when the two I-beams 9 are inserted into the connecting cavities 2, the two I-beams 9 abut the two sides of the positioning plate 4, that is, the depth of the insertion of the two I-beams 9 into the connecting frame 1 is consistent; The second extrusion plate 5 is arranged in the second cavity 22, and the locking screw 6 is arranged on the second frame section 12, during the connection of the two I-shaped steel 9, after the I-shaped steel 9 is inserted into the connecting cavity 2 and positioned in the width and height directions, the second extrusion plate 5 is arranged in the second cavity 22, then the locking screw 6 is rotated to generate a pushing force on the second extrusion plate 5 towards the middle section 91, and the second extrusion plate 5 is pushed to tightly contact the side section 92 away from the side of the middle section 91, so that the positioning of the I-shaped steel 9 in the height direction is further realized, and the reliability of the connection of the two I-shaped steel 9 is improved; The connecting portions of the first cavity 21 and the second cavity 22 are provided with the wedge 7, after the I-shaped steel 9 is inserted into the connecting cavity 2 and positioned in the width and height directions, the wedge 7 is inserted into the gap between the I-shaped steel 9 and the connecting frame 1 to generate a clamping force on the I-shaped steel 9, that is, the reliability of the connection of the two I-shaped steel 9 is further improved; The wedge 7 is L-shaped, the two inner sides of the wedge 7 are inclined surfaces 8, when the wedge 7 is inserted into the gap between the I-shaped steel 9 and the connecting frame 1, the two inclined surfaces 8 of the wedge 7 respectively abut against the inner walls of the first cavity 21 and the second cavity 22, and the two outer walls of the wedge 7 respectively abut against the middle section 91 and the side of the side section 92 close to the middle section 91, with the increase of the insertion depth of the wedge 7, the positioning of the I-shaped steel 9 in the width and height directions is realized through the inclined surfaces 8; Through the collection of the connection time data of the two steel structures before and after the improvement, the following table is obtained; Table 1: Connection time table of the two steel structures before and after the improvement

[0020] According to the data in Table 1, it can be concluded that after the improvement, the connection time of the steel connection is obviously reduced, and the connection efficiency of the steel connection is obviously improved; In summary, the positioning of the I-shaped steel 9 is realized through the extrusion of the first extrusion plate 313 and the ball 323, the connection hole is not needed to be opened on the I-shaped steel 9, the construction cost of the factory building is reduced, the connection efficiency of the steel structure is improved, and through the movement of the first extrusion plate 313, the alignment between the two I-shaped steel 9 is realized, the two I-shaped steel 9 are in the opposite position, the connection effect of the two I-shaped steel 9 is improved, and the reliability of the connection of the two I-shaped steel 9 is further improved through the wedge 7 and the second extrusion plate 5.

[0021] In addition to the above-mentioned embodiments, the present application also includes other implementation manners, and any technical solutions formed by equivalent transformation or equivalent replacement shall fall within the protection scope of the claims of the present application.

Claims

1. A steel structure connection device for factory buildings, characterized in that: It includes a connecting frame (1), a connecting cavity (2) is provided inside the connecting frame (1), the connecting cavity (2) extends along the length direction of the connecting frame (1) to both sides of the connecting frame (1), the connecting frame (1) and the connecting cavity (2) are both I-shaped, and a connecting mechanism (3) is provided on the connecting frame (1). The connecting mechanism (3) includes two sets of first connecting components (31) and two sets of second connecting components (32). The two sets of first connecting components (31) and the two sets of second connecting components (32) are symmetrically distributed on both sides of the connecting frame (1) along the width direction of the connecting frame (1). The first connecting assembly (31) includes a lead screw (311), a slot (312), and two first pressing plates (313). The slot (312) is disposed on the connecting frame (1) and extends into the connecting cavity (2). The lead screw (311) is parallel to the length direction of the connecting frame (1). The two first pressing plates (313) are symmetrically disposed on both sides of the lead screw (311) along the height direction of the connecting frame (1). The two first pressing plates (313) correspond one-to-one with the two slots (312). The first pressing plates (313) are located inside the slots (312), and the lead screw (311) is located outside the connecting frame (1). The lead screw (311) is rotatably connected to the connecting frame (1) via a bearing (314). Two sliders (315) are threaded onto the lead screw (311). The two sliders (315) are symmetrically distributed along the length of the lead screw (311). Two connecting rods (316) are provided on the sliders (315). The two connecting rods (316) on the sliders (315) correspond one-to-one with the two first extrusion plates (313). The connecting rods (316) are located between the sliders (315) and the first extrusion plates (313). The connecting rods (316) are arranged at an angle. The two ends of the connecting rods (316) are respectively hinged to the first extrusion plates (313) and the sliders (315). The second connecting component (32) includes a fixing tube (321), which is parallel to the width direction of the connecting frame (1). The fixing tube (321) is fixedly installed on the outer wall of the connecting frame (1). The cavity inside the fixing tube (321) is connected to the connecting cavity (2). A pressing rod (322) is threaded inside the fixing tube (321). The pressing rod (322) is coaxially arranged with the fixing tube (321). A ball bearing (323) is rolled into the inner end of the pressing rod (322).

2. The steel structure connection device for factory buildings according to claim 1, characterized in that: The lead screw (311) includes a shaft body (3111) and two screw parts (3112). The two screw parts (3112) are coaxially arranged at both ends of the shaft body (3111). The bearing (314) is connected to the shaft body (3111). The two screw parts (3112) are connected to two sliders (315) in a one-to-one correspondence. The screw parts (3112) are provided with threads, and the threads on the two screw parts (3112) have opposite directions of rotation.

3. The steel structure connection device for factory buildings according to claim 1, characterized in that: Two second connecting components (32) are provided in each group, and the two second connecting components (32) in the same group are arranged symmetrically along the length direction of the connecting frame (1).

4. The steel structure connection device for factory buildings according to claim 1, characterized in that: A rotating block (324) is fixedly provided at the outer end of the extrusion rod (322), and a blind hole (325) is provided on the rotating block (324).

5. A steel structure connection device for factory buildings according to claim 1, characterized in that: The connecting frame (1) includes a first frame segment (11) and a second frame segment (12) located on both sides of the height direction of the first frame segment (11). The connecting cavity (2) includes a first cavity (21) and two second cavities (22). The first cavity (21) is located inside the first frame segment (11), and the two second cavities (22) are located inside the two second frame segments (12) respectively. The slot (312) is located on the side of the second frame segment (12) near the first frame segment (11), and the fixing tube (321) is located on the first frame segment (11).

6. A steel structure connection device for factory buildings according to claim 5, characterized in that: A positioning plate (4) is provided inside the first cavity (21).

7. A steel structure connection device for factory buildings according to claim 5, characterized in that: The second cavity (22) is provided with a second extrusion plate (5), and the second frame segment (12) is provided with a locking screw (6).

8. A steel structure connection device for factory buildings according to claim 5, characterized in that: A wedge (7) is provided at the connection between the first cavity (21) and the second cavity (22).

9. A steel structure connection device for factory buildings according to claim 8, characterized in that: The wedge (7) is L-shaped, and the two inner sides of the wedge (7) are inclined surfaces (8).

10. A steel structure connection device for factory buildings according to claim 1, characterized in that: The slot (312), the fixing tube (321) and the connecting frame (1) are integrally formed.

Citation Information

Patent Citations

  • A high-strength steel structure connector for factory buildings

    CN218814367U