Building steel structure connecting device

Abstract

The utility model discloses a building steel structure connecting device which comprises a connecting frame, I-shaped steel is inserted into the front end and the rear end of an inner cavity of the connecting frame, and mounting holes are formed in the two sides of one end, located in the inner cavity of the connecting frame, of the I-shaped steel and the four corners of the surface of the connecting frame. And a locking nut is movably connected to the top of the connecting frame and located on the surface of the mounting hole through a bearing, driven gears are fixedly connected to the surface of the locking nut, and a driving gear is engaged between the two driven gears. Through cooperative use of the connecting frame, the I-shaped steel, the locking nut, the driven gear, the driving gear, the fixing bolt, the shielding frame, the limiting groove, the limiting block, the spring, the locking plate and the hydraulic telescopic rod, a steel structure can be efficiently and rapidly installed, the accuracy of the installation position can be guaranteed, meanwhile, the loosening phenomenon cannot occur, and the service life of the steel structure is prolonged. The mounting firmness is ensured, and great convenience is brought to the mounting work of the steel structure.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to a building steel structure connecting device. Background Art

[0002] Steel structure is a structure made of steel materials. It is one of the main types of building structures. The structure is mainly composed of steel beams, steel columns, steel trusses and other components made of steel and steel plates. It is treated with silanization, pure manganese phosphating, water washing and drying, galvanizing and other rust removal and anti-rust processes. Because of its light weight and simple construction, it is widely used in large factories, venues, super high-rise buildings and other fields;

[0003] I-beam structures are widely used in building steel structures. When fixing existing I-beams, they are generally connected by connecting plates and fixing screws. Before two I-beams are connected to each other, the positions of the steel plates to be connected need to be fixed to ensure the accuracy of the installation position. Once there is an offset, the screws will not be able to be screwed into the screw holes, which will invisibly bring inconvenience to the connection of the steel plates. Therefore, technical personnel in this field provide a building steel structure connection device to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a building steel structure connection device, which has the advantage of being easy to use and solves the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a building steel structure connection device, comprising a connection frame, the front and rear ends of the inner cavity of the connection frame are plugged with I-beams, the I-beams are provided with mounting holes on both sides of one end of the inner cavity of the connection frame and at the four corners of the surface of the connection frame, the top of the connection frame and the surface of the mounting hole are movably connected with a locking nut through a bearing, the surface of the locking nut is fixedly connected with a driven gear, a driving gear is meshed between the two driven gears, the back side of the driving gear is movably connected with the surface of the connection frame through a bearing, a fixing bolt is provided at the bottom of the connection frame, the connection frame is provided at the top of the supporting cross column, the top of the fixing bolt passes through the through hole of the supporting cross column and the inner cavity of the mounting hole opened on the surface of the connection frame and the I-beam and is threadedly connected with the inner cavity of the locking nut.

[0006] Preferably, a shielding frame is slidably connected to the bottom surface of the connecting frame and located at the bottom of the mounting hole, and the bottom of the inner cavity of the shielding frame contacts the bottom of the fixing bolt.

[0007] Preferably, limiting grooves are provided on the bottom surface of the connection frame and on both sides of the mounting hole, the inner cavity of the limiting grooves is slidably connected to limiting blocks, and the bottom of the limiting block is fixedly connected to the top of the shielding frame.

[0008] Preferably, one end of the inner cavity of the limiting groove is fixedly connected to a spring, and the other end of the spring is fixedly connected to the surface of the limiting block.

[0009] Preferably, a hexagonal groove is provided on the surface of the driving gear, and the hexagonal groove is engaged with an external power device.

[0010] Preferably, a locking plate is meshed on one side of the driving gear, and the bottoms of both sides of the locking plate are movably connected to mounting plates via rotating shafts, and the bottoms of the mounting plates are fixedly connected to the surface of the connecting frame.

[0011] Preferably, the bottom of one side of the locking plate is movably connected to a hydraulic telescopic rod via a rotating shaft, and the other end of the hydraulic telescopic rod is movably connected to the surface of the connecting frame via the rotating shaft.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model can install the steel structure efficiently and quickly through the coordinated use of the connecting frame, I-beam, locking nut, driven gear, driving gear, fixing bolt, shielding frame, limit groove, limit block, spring, locking plate and hydraulic telescopic rod, and can ensure the accuracy of the installation position without loosening, thereby ensuring the firmness of the installation and bringing great convenience to the installation of the steel structure.

[0014] 2. The utility model can limit the bottom of the fixing bolt by setting a shielding frame so that it will not loosen downwards. By setting a limiting groove and a limiting block, the shielding frame can be limited so that it can move left and right smoothly, thereby facilitating the installation of the fixing bolt. By setting a spring, the shielding frame can be automatically rebounded. By setting a locking plate and a hydraulic telescopic rod, the driving gear can be limited to prevent it from rotating. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a bottom view schematic diagram of the structure of the utility model;

[0017] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged local structure at point A in the middle;

[0018] Figure 4 It is a cross-sectional schematic diagram of the connection structure between the shielding frame and the connection frame of the utility model.

[0019] In the figure: 1. connecting frame; 2. I-beam; 3. locking nut; 4. driven gear; 5. driving gear; 6. fixing bolt; 7. shielding frame; 8. limiting groove; 9. limiting block; 10. spring; 11. locking plate; 12. hydraulic telescopic rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The components of the present invention are all common standard components or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0022] See also Figure 1-4 A building steel structure connection device comprises a connection frame 1, an I-beam 2 is inserted into the front and rear ends of the inner cavity of the connection frame 1, mounting holes are provided on both sides of the I-beam 2 located at one end of the inner cavity of the connection frame 1 and at the four corners of the surface of the connection frame 1, a locking nut 3 is movably connected to the surface of the top of the connection frame 1 and located at the mounting hole through a bearing, a driven gear 4 is fixedly connected to the surface of the locking nut 3, a driving gear 5 is meshed between the two driven gears 4, the back of the driving gear 5 is movably connected to the surface of the connection frame 1 through a bearing, a fixing bolt 6 is provided at the bottom of the connection frame 1, and the connection frame 1 is arranged on the top of the supporting horizontal column, The top of the fixing bolt 6 is threadedly connected with the inner cavity of the locking nut 3 through the through hole of the supporting cross column and the inner cavity of the mounting hole opened on the surface of the connecting frame 1 and the I-beam 2. Through the coordinated use of the connecting frame 1, the I-beam 2, the locking nut 3, the driven gear 4, the driving gear 5, the fixing bolt 6, the shielding frame 7, the limit groove 8, the limit block 9, the spring 10, the locking plate 11 and the hydraulic telescopic rod 12, the steel structure can be installed efficiently and quickly, and the accuracy of the installation position can be guaranteed. At the same time, there will be no loosening phenomenon, which ensures the firmness of the installation and brings great convenience to the installation of the steel structure.

[0023] A shielding frame 7 is slidably connected to the bottom surface of the connecting frame 1 and located at the bottom of the mounting hole. The bottom of the inner cavity of the shielding frame 7 contacts the bottom of the fixing bolt 6. By setting the shielding frame 7, the bottom of the fixing bolt 6 can be limited so that it will not loosen downward.

[0024] Limiting grooves 8 are provided on the bottom surface of the connecting frame 1 and on both sides of the mounting hole. The inner cavity of the limiting groove 8 is slidably connected to the limiting block 9. The bottom of the limiting block 9 is fixedly connected to the top of the shielding frame 7. By setting the limiting groove 8 and the limiting block 9, the shielding frame 7 can be limited so that it can move smoothly to the left and right, thereby facilitating the installation of the fixing bolts 6.

[0025] One end of the inner cavity of the limiting groove 8 is fixedly connected with a spring 10 , and the other end of the spring 10 is fixedly connected to the surface of the limiting block 9 . By providing the spring 10 , the automatic rebound of the shielding frame 7 can be achieved.

[0026] A hexagonal groove is formed on the surface of the driving gear 5, and the hexagonal groove is engaged with an external power device.

[0027] A locking plate 11 is meshed on one side of the driving gear 5 , and the bottoms of both sides of the locking plate 11 are movably connected to mounting plates via rotating shafts, and the bottoms of the mounting plates are fixedly connected to the surface of the connecting frame 1 .

[0028] The bottom of one side of the locking plate 11 is movably connected to a hydraulic telescopic rod 12 via a rotating shaft, and the other end of the hydraulic telescopic rod 12 is movably connected to the surface of the connecting frame 1 via a rotating shaft. By setting the locking plate 11 and the hydraulic telescopic rod 12, the driving gear 5 can be limited to prevent it from rotating.

[0029] When in use, the connecting frame 1 is placed on the top of the supporting crossbeam, and the mounting hole is aligned with the through hole on the top of the supporting crossbeam and is threadedly connected with the threads of the through hole and the inner cavity of the mounting hole by the fixing bolt 6, and then the I-beam 2 is inserted into the inner cavity of the connecting frame 1 until one end of the I-beam 2 located in the inner cavity of the connecting frame 1 contacts the partition of its inner cavity, and then the fixing bolt 6 can be continued to be rotated to make it enter the inner cavity of the locking nut 3, and then the external power equipment can be inserted into the hexagonal groove for power transmission. At this time, the external power equipment drives the active gear 5 to rotate, and the active gear 5 drives the driven gear 4 to rotate, and the driven gear 4 drives the locking nut 3 to rotate, and the locking nut 3 can tighten the fixing bolt 6 upward. After the installation is completed, under the elasticity of the spring 10, the shielding frame 7 returns to its original position to limit and shield the bottom of the fixing bolt 6, and then the locking plate 11 is driven to mesh with the active gear 5 through the extension of the hydraulic telescopic rod 12, and further locking work is performed to prevent the fixing bolt 6 from loosening.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A building steel structure connection device, comprising a connection frame (1), characterized in that: I-beams (2) are inserted into the front and rear ends of the inner cavity of the connection frame (1); mounting holes are provided on both sides of the I-beam (2) located at one end of the inner cavity of the connection frame (1) and at the four corners of the surface of the connection frame (1); a locking nut (3) is movably connected to the surface of the mounting hole at the top of the connection frame (1) through a bearing; a driven gear (4) is fixedly connected to the surface of the locking nut (3); a driving gear (5) is meshed between the two driven gears (4); the back of the driving gear (5) is movably connected to the surface of the connection frame (1) through a bearing; a fixing bolt (6) is provided at the bottom of the connection frame (1); the connection frame (1) is provided at the top of the supporting cross column; the top of the fixing bolt (6) passes through the through hole of the supporting cross column and the inner cavity of the mounting hole provided on the surfaces of the connection frame (1) and the I-beam (2) and is threadedly connected to the inner cavity of the locking nut (3).

2. A building steel structure connection device according to claim 1, characterized in that: A shielding frame (7) is slidably connected to the bottom surface of the connection frame (1) and located at the bottom of the mounting hole, and the bottom of the inner cavity of the shielding frame (7) is in contact with the bottom of the fixing bolt (6).

3. A building steel structure connection device according to claim 2, characterized in that: Limiting grooves (8) are provided on the bottom surface of the connection frame (1) and on both sides of the mounting hole, the inner cavity of the limiting groove (8) is slidably connected to a limiting block (9), and the bottom of the limiting block (9) is fixedly connected to the top of the shielding frame (7).

4. A building steel structure connection device according to claim 3, characterized in that: One end of the inner cavity of the limiting groove (8) is fixedly connected to a spring (10), and the other end of the spring (10) is fixedly connected to the surface of the limiting block (9).

5. A building steel structure connection device according to claim 1, characterized in that: The surface of the driving gear (5) is provided with a hexagonal groove, and the hexagonal groove is engaged with an external power device.

6. A building steel structure connection device according to claim 1, characterized in that: A locking plate (11) is meshed on one side of the driving gear (5), and the bottoms of both sides of the locking plate (11) are movably connected to mounting plates via rotating shafts, and the bottoms of the mounting plates are fixedly connected to the surface of the connecting frame (1).

7. A building steel structure connection device according to claim 6, characterized in that: The bottom of one side of the locking plate (11) is movably connected to a hydraulic telescopic rod (12) via a rotating shaft, and the other end of the hydraulic telescopic rod (12) is movably connected to the surface of the connecting frame (1) via a rotating shaft.

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