Prefabricated steel structure building primary and secondary beam connecting structure and construction technology

Abstract

The invention discloses an assembly type steel structure building primary and secondary beam connecting structure and a construction technology, and mainly relates to the technical field of primary and secondary beam connecting structures. Comprising a first beam body and a second beam body, an inserting groove matched with the first beam body is formed in one end of the second beam body, a positioning groove is formed in the inner wall of the outer end of the inserting groove, and a positioning block is arranged on the outer wall of the first beam body; a limiting groove is formed in the outer wall of the end, inserted into the inserting groove, of the first beam body, a limiting block matched with the limiting groove and a through hole matched with the limiting block are formed in the second beam body, the through hole is communicated with the inserting groove, one end of the limiting block extends out of the second beam body through the through hole, and the other end of the limiting block extends out of the second beam body. The outer wall of the second beam body is provided with an adjusting mechanism used for adjusting the relative position between the limiting block and the limiting groove. The problems that in the installation process of an existing main and secondary beam connecting structure, clamping connection is usually adopted, operation is complex, connecting time is long, and practicability is poor are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of primary and secondary beam connection structures, and in particular to a primary and secondary beam connection structure for an assembled steel structure building and a construction process. Background Art

[0002] Steel structure is one of the main types of building structures. It is mainly composed of steel beams, steel columns, steel trusses, and other components made of steel sections and steel plates. In steel structures, the components or parts are connected by welds, bolts, or rivets. Steel structures have the characteristics of high strength, light weight, strong deformability, good toughness, and high reliability. The application of steel structure in construction projects can effectively improve the performance of construction projects and save construction costs. Currently, the existing primary and secondary beam connection structure usually uses a snap-on connection during the installation process. This is complicated to operate and takes a long time to connect, resulting in poor practicality. Summary of the Invention

[0003] The purpose of the present invention is to solve the problems existing in the prior art and to provide a primary and secondary beam connection structure and construction process for an assembled steel structure building, which has the advantages of easy connection, etc., and solves the problem that the existing primary and secondary beam connection structure usually adopts a snap-on connection during the installation process, which is complicated to operate and time-consuming to connect, resulting in poor practicality.

[0004] To achieve the above-mentioned purpose, the present invention is implemented through the following technical solutions: A prefabricated steel structure building main and secondary beam connection structure includes a first beam body and a second beam body, one end of the second beam body is provided with a plug-in slot adapted to the first beam body, the inner wall of the outer end of the plug-in slot is provided with a positioning slot, and the outer wall of the first beam body is provided with a positioning block adapted to the positioning slot; a limit slot is provided on the outer wall of one end of the first beam body inserted into the plug-in slot, the second beam body is provided with a limit block adapted to the limit slot, and a through hole adapted to the limit block, the through hole is connected to the plug-in slot, one end of the limit block extends outward from the second beam body through the through hole, and the limit block is slidably connected to the through hole, and an adjustment mechanism for adjusting the relative position between the limit block and the limit slot is provided on the outer wall of the second beam body.

[0005] Preferably, the number of the positioning grooves is two, and the two positioning grooves are symmetrically arranged in the plug-in slot.

[0006] Preferably, there are two limiting grooves, and the two limiting grooves are symmetrically arranged on the first beam body.

[0007] Preferably, the adjustment mechanism includes a shell fixed on the outer wall of the second beam body, a movable plate is provided in the shell, a first slide groove adapted to the movable plate is provided on the inner wall of the shell, the length direction of the first slide groove is perpendicular to the length direction of the second beam body, one end of the limit block is fixedly connected to the movable plate, and a push-pull mechanism for pushing the movable plate to move in the first slide groove is provided in the shell.

[0008] Preferably, the push-pull mechanism includes a threaded rod horizontally arranged in the shell, the threaded rod is rotatably connected to the shell, and a driving mechanism for driving the threaded rod to rotate is provided on the shell, a moving block is provided in the shell, a threaded hole adapted for the threaded rod is provided on the moving block, a second slide groove adapted for the moving block is provided on the inner wall of the shell, the length direction of the second slide groove is parallel to the length direction of the second beam body, a connecting frame is provided at the end of the moving plate away from the limit block, a traction rod is provided on the connecting frame, and a strip hole adapted for the traction rod is obliquely provided on the moving block.

[0009] Preferably, the connecting frame is a U-shaped frame, and the moving block is located on the inner side of the U-shaped frame.

[0010] Preferably, there are two moving blocks, which are symmetrically arranged on the threaded rod. Both ends of the threaded rod are provided with external threads, and the rotation directions of the external threads at both ends of the threaded rod are opposite, and the thread rotation directions of the threaded holes on the two moving blocks are opposite.

[0011] Preferably, the driving mechanism includes a rotating shaft vertically passing through the outer wall of the shell, the rotating shaft is rotatably connected to the shell, the rotating shaft is connected to the threaded rod through a bevel gear transmission, and a knob is provided at one end of the rotating shaft extending outward from the shell.

[0012] Preferably, a fixing ring is provided at the inner end of the plug-in slot, an annular groove is provided at the outer end of the fixing ring, and a sealing ring is provided at the end of the first beam body inserted into the plug-in slot.

[0013] A construction process for the connection structure of primary and secondary beams of an assembled steel structure building comprises the following steps: first, inserting a first beam into a plug-in slot of a second beam; during the process of inserting the first beam into the plug-in slot, positioning is performed by cooperating between a positioning slot and a positioning block so that the limit block on the second beam corresponds to the limit slot on the first beam; then, the position of the limit block is adjusted by an adjustment mechanism so that the limit block is inserted into the limit slot, thereby completing the connection between the first beam and the second beam.

[0014] Compared with the prior art, the beneficial effects of the present invention are: The present invention limits the relative position between the first beam and the second beam by inserting one end of the first beam into the plug-in groove of the second beam and inserting the positioning block into the positioning groove, so that the limiting block on the second beam corresponds to the limiting groove on the first beam. Then, the position of the limiting block is adjusted by the adjustment mechanism so that the limiting block is inserted into the limiting groove, completing the connection between the first beam and the second beam, and finally achieving the purpose of facilitating connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention.

[0016] Figure 2 yes Figure 1 Magnified view of part A.

[0017] Figure 3 It is a structural diagram of the connecting frame.

[0018] Numbers in the accompanying drawings: 1. First beam; 11. Positioning block; 12. Limiting groove; 2. Second beam; 21. Positioning groove; 22. Limiting block; 3. Adjusting mechanism; 31. Housing; 32. Moving plate; 33. First slide groove; 41. Threaded rod; 42. Moving block; 43. Second slide groove; 44. Connecting frame; 45. Pull rod; 46. Strip hole; 51. Rotating shaft; 52. Knob; 6. Fixing ring. DETAILED DESCRIPTION

[0019] Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiments are only used to illustrate the present invention and are not used in limiting the scope of the present invention.In addition, should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms fall within the scope limited by the application equally.

[0020] Example 1: As shown in the attached Figure 1-3 As shown, the present invention is a prefabricated steel structure building main and secondary beam connection structure, including a first beam body 1 and a second beam body 2, one end of the second beam body 2 is provided with a plug-in groove adapted to the first beam body 1, one end of the first beam body 1 is inserted into the plug-in groove, preferably, the inner end of the plug-in groove (with the open end of the plug-in groove as the outer end and the other end as the inner end) is provided with a fixing ring 6, and an annular groove is provided at the outer end of the fixing ring 6, and the end of the first beam body 1 inserted into the plug-in groove is provided with a sealing ring with one end extending to the inside of the annular groove.

[0021] A positioning groove 21 (attached) is provided on the inner wall of the outer end of the plug slot. Figure 1In the figure, the left end of the positioning groove 21 is connected to the outside world), a positioning block 11 adapted to the positioning groove 21 is fixedly provided on the outer wall of the first beam body 1, and the first beam body 1 is positioned by the cooperation between the positioning groove 21 and the positioning block 11. Preferably, the number of the positioning grooves 21 is two, and the two positioning grooves 21 are symmetrically arranged in the plug-in slot, which can further ensure the accuracy of positioning.

[0022] A limiting groove 12 is provided on the outer wall of one end of the first beam body 1 inserted into the plug-in slot, and a limiting block 22 adapted to the limiting groove 12 and a through hole adapted to the limiting block 22 are provided on the second beam body 2. The through hole is connected to the plug-in slot, and one end of the limiting block 22 extends outward from the second beam body 2 through the through hole, and the limiting block 22 is slidably connected to the through hole. An adjusting mechanism 3 for adjusting the relative position between the limiting block 22 and the limiting groove 12 is provided on the outer wall of the second beam body 2.

[0023] Preferably, in order to ensure the stability of the connection between the first beam body 1 and the second beam body 2 , the number of the limiting grooves 12 is two, and the two limiting grooves 12 are symmetrically arranged on the first beam body 1 .

[0024] Preferably, the adjusting mechanism 3 includes a shell 31 fixed to the outer wall of the second beam body 2. The shell 31 can be fixed to the second beam body 2 by screws or directly welded to the second beam body 2. A movable plate 32 is provided in the shell 31. The left and right ends of the inner wall of the shell 31 are provided with a first slide groove 33 adapted to the movable plate 32. The length direction of the first slide groove 33 is perpendicular to the length direction of the second beam body 2. One end of the limit block 22 is welded to the movable plate 32. A push-pull mechanism for pushing the movable plate 32 to move in the first slide groove 33 is provided in the shell 31. The movable plate 32 is driven to move in the first slide groove 33 by the push-pull mechanism, so that the limit block 22 can be inserted into the limit groove 12 or the limit block 22 can be pulled out of the limit groove 12.

[0025] Furthermore, the push-pull mechanism includes a threaded rod 41 horizontally arranged in the shell 31, the threaded rod 41 is rotatably connected to the shell 31, and a driving mechanism for driving the threaded rod 41 to rotate is provided on the shell 31. A moving block 42 is provided in the shell 31, and a threaded hole adapted to the threaded rod 41 is provided on the moving block 42. A second slide groove 43 adapted to the moving block 42 is provided on the top wall of the shell 31. The length direction of the second slide groove 43 is parallel to the length direction of the second beam body 2. The threaded rod 41 can drive the moving block 42 to slide in the second slide groove 43 when it rotates. A connecting frame 44 is provided at the end of the moving plate 32 away from the limit block 22, and a traction rod 45 is provided on the connecting frame 44. A strip hole 46 adapted to the traction rod 45 is obliquely provided on the moving block 42. The strip hole 46 cooperates with the traction rod 45 to convert the horizontal movement of the moving block 42 into the vertical movement of the moving plate 32.

[0026] Furthermore, the connecting frame 44 is a U-shaped frame, and the moving block 42 is located inside the U-shaped frame, which can ensure the stability of power transmission between the moving block 42 and the moving plate 32.

[0027] Furthermore, there are two moving blocks 42, and the two moving blocks 42 are symmetrically arranged on the threaded rod 41. Both ends of the threaded rod 41 are provided with external threads, and the rotation directions of the external threads at both ends of the threaded rod 41 are opposite, and the thread rotation directions of the threaded holes on the two moving blocks 42 are opposite.

[0028] Furthermore, the driving mechanism includes a rotating shaft 51 that vertically passes through the outer wall of the shell 31. The rotating shaft 51 is rotatably connected to the shell 31. The rotating shaft 51 is connected to the threaded rod 41 through a bevel gear transmission. A knob 52 is provided at one end of the rotating shaft 51 that extends outward from the shell 31. By turning the knob 52, the threaded rod 41 can be driven to rotate through the bevel gear transmission.

[0029] Example 2: A construction process for the main and secondary beam connection structure of an assembled steel structure building: First, the first beam body 1 is inserted into the plug-in slot of the second beam body 2. During the process of inserting the first beam body 1 into the plug-in slot, the positioning is performed by the cooperation of the positioning slot 21 and the positioning block 11, so that the limit block 22 on the second beam body 2 corresponds to the limit slot 12 on the first beam body 1; then, the position of the limit block 22 is adjusted by the adjustment mechanism 3, so that the limit block 22 is inserted into the limit slot 12, completing the connection between the first beam body 1 and the second beam body 2.

Claims

1. A primary and secondary beam connection structure of an assembled steel structure building, comprising a first beam body (1) and a second beam body (2), characterized in that: One end of the second beam body (2) is provided with a plug-in slot adapted to the first beam body (1), the inner wall of the outer end of the plug-in slot is provided with a positioning slot (21), and the outer wall of the first beam body (1) is provided with a positioning block (11) adapted to the positioning slot (21); a limiting slot (12) is provided on the outer wall of the end of the first beam body (1) inserted into the plug-in slot, the second beam body (2) is provided with a limiting block (22) adapted to the limiting slot (12), and a through hole adapted to the limiting block (22), the through hole being connected to the plug-in slot, one end of the limiting block (22) extending outward from the second beam body (2) through the through hole, and the limiting block (22) is slidably connected to the through hole, and an adjusting mechanism (3) for adjusting the relative position between the limiting block (22) and the limiting slot (12) is provided on the outer wall of the second beam body (2).

2. The primary and secondary beam connection structure of an assembled steel structure building according to claim 1, characterized in that: There are two positioning grooves (21), and the two positioning grooves (21) are symmetrically arranged in the plug-in slot.

3. The primary and secondary beam connection structure of an assembled steel structure building according to claim 1, characterized in that: The number of the limiting grooves (12) is two, and the two limiting grooves (12) are symmetrically arranged on the first beam body (1).

4. The primary and secondary beam connection structure of an assembled steel structure building according to claim 1, characterized in that: The adjustment mechanism (3) includes a shell (31) fixed on the outer wall of the second beam body (2), a movable plate (32) is provided in the shell (31), a first slide groove (33) adapted to the movable plate (32) is provided on the inner wall of the shell (31), the length direction of the first slide groove (33) is perpendicular to the length direction of the second beam body (2), one end of the limit block (22) is fixedly connected to the movable plate (32), and a push-pull mechanism for pushing the movable plate (32) to move in the first slide groove (33) is provided in the shell (31).

5. The primary and secondary beam connection structure of an assembled steel structure building according to claim 4, characterized in that: The push-pull mechanism includes a threaded rod (41) horizontally arranged in the housing (31), the threaded rod (41) is rotatably connected to the housing (31), and a driving mechanism for driving the threaded rod (41) to rotate is provided on the housing (31), a moving block (42) is provided in the housing (31), a threaded hole adapted to the threaded rod (41) is provided on the moving block (42), a second chute (43) adapted to the moving block (42) is provided on the inner wall of the housing (31), the length direction of the second chute (43) is parallel to the length direction of the second beam (2), a connecting frame (44) is provided at one end of the moving plate (32) away from the limit block (22), a traction rod (45) is provided on the connecting frame (44), and a strip hole (46) adapted to the traction rod (45) is obliquely provided on the moving block (42).

6. The primary and secondary beam connection structure of an assembled steel structure building according to claim 5, characterized in that: The connecting frame (44) is a U-shaped frame, and the moving block (42) is located inside the U-shaped frame.

7. The primary and secondary beam connection structure of an assembled steel structure building according to claim 5, characterized in that: There are two moving blocks (42), and the two moving blocks (42) are symmetrically arranged on the threaded rod (41). Both ends of the threaded rod (41) are provided with external threads, and the external threads at both ends of the threaded rod (41) have opposite rotation directions, and the threaded holes on the two moving blocks (42) have opposite rotation directions.

8. The primary and secondary beam connection structure of an assembled steel structure building according to claim 5, characterized in that: The driving mechanism comprises a rotating shaft (51) vertically penetrating the outer wall of the housing (31), the rotating shaft (51) being rotatably connected to the housing (31), the rotating shaft (51) being connected to the threaded rod (41) via a bevel gear transmission, and a knob (52) being provided at one end of the rotating shaft (51) extending outward from the housing (31).

9. The primary and secondary beam connection structure of an assembled steel structure building according to claim 1, characterized in that: A fixing ring (6) is provided at the inner end of the plug-in slot, an annular groove is provided at the outer end of the fixing ring (6), and a sealing ring is provided at one end of the first beam body (1) inserted into the plug-in slot.

10. The construction process of the primary and secondary beam connection structure of an assembled steel structure building according to any one of claims 1 to 9, characterized in that: First, the first beam body (1) is inserted into the insertion slot of the second beam body (2). During the process of inserting the first beam body (1) into the insertion slot, the positioning is performed by the cooperation of the positioning slot (21) and the positioning block (11), so that the limiting block (22) on the second beam body (2) corresponds to the limiting slot (12) on the first beam body (1); then, the position of the limiting block (22) is adjusted by the adjustment mechanism (3), so that the limiting block (22) is inserted into the limiting slot (12), thereby completing the connection between the first beam body (1) and the second beam body (2).

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