Connecting device of structural beam

Abstract

The utility model belongs to the technical field of building steel structures, and relates to a structural beam connecting device which comprises a connecting block, a first I-shaped groove and a second I-shaped groove are formed in the connecting block, a third I-shaped groove is formed in the left side face of the connecting block, a fourth I-shaped groove is formed in the right side face of the connecting block, and four fixing shafts are rotationally arranged on the second I-shaped groove. Wherein the ends of two fixing shafts extend into the third I-shaped groove, the ends of the other two fixing shafts extend into the fourth I-shaped groove, the two ends of each fixing shaft are fixedly connected with pre-tightening pieces, and the pre-tightening piece at one end of each fixing shaft is matched with the second I-shaped steel in the second I-shaped groove in an abutting mode. Wherein the pre-tightening pieces at the other ends of the two fixing shafts are matched with the third I-shaped steel in the third I-shaped groove in an abutting mode, and the pre-tightening pieces at the other ends of the other two fixing shafts are matched with the fourth I-shaped steel in the fourth I-shaped groove in an abutting mode. The I-shaped steel pre-tightening device has the advantages that I-shaped steel needing to be mounted is pre-tightened by the pre-tightening piece through rotation of the fixed shaft.

Description

Technical Field

[0001] The utility model belongs to the technical field of building steel structures and relates to a connecting device for structural beams. Background Art

[0002] The structural beam supports the weight of the components and roof in the upper structure of the building, and is the most important part of the upper structure of the building. In construction, structural beams are mostly made of I-shaped steel, and when connecting beams and columns, they are generally fixed by welding or bolts.

[0003] In a connection device for a steel structure column and a beam disclosed in Chinese patent CN219219345U, the connection device for a steel structure column and a beam includes a connection block, and a main I-shaped hole, a secondary I-shaped hole, a first I-shaped groove, and a second I-shaped groove are arranged around the connection block. The third crossbeam is sequentially connected with the secondary I-shaped hole and the secondary I-shaped hole, that is, the third crossbeam is sequentially clamped and penetrates the connection block and the column, so that the three can be fixed without bolt connection or welding.

[0004] The connecting device is configured by respectively clamping one end of the first beam and one end of the second beam into the first I-shaped groove and the second I-shaped groove, and then fixing the first beam and the second beam to the connecting block using the first bolt and the second bolt. One end of the first beam slides with the first I-shaped groove, and one end of the second beam slides with the second I-shaped groove. When one of the beams is tightened with bolts, vibration will occur, which may cause the other beam to slide and fall off. Multiple adjustments are required, which reduces work efficiency.

[0005] In order to solve the above problems, the utility model proposes a connecting device for structural beams. Utility Model Content

[0006] In order to solve the problems existing in the background technology, the utility model proposes a connecting device for structural beams.

[0007] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: comprising a connecting block, the connecting block is provided with a first I-shaped groove penetrating up and down, the connecting block is provided with a second I-shaped groove penetrating front and back, the second I-shaped groove is connected with the first I-shaped groove, a third I-shaped groove is provided on the left side surface of the connecting block, and a fourth I-shaped groove is provided on the right side surface of the connecting block;

[0008] Four fixed shafts are rotatably arranged on the second I-shaped groove, wherein the ends of two fixed shafts extend into the third I-shaped groove, and the ends of the other two fixed shafts extend into the fourth I-shaped groove;

[0009] Both ends of the fixed shaft are fixedly connected with preloaded parts. The preloaded parts at one end of each fixed shaft abut against the second I-beam in the second I-groove, the preloaded parts at the other ends of the two fixed shafts abut against the third I-beam in the third I-groove, and the preloaded parts at the other ends of the other two fixed shafts abut against the fourth I-beam in the fourth I-groove.

[0010] Furthermore, a first I-beam is slidably arranged inside the first I-slot, and a through hole matching the second I-slot is penetrated through the first I-slot.

[0011] Furthermore, a second I-beam is slidably disposed inside the second I-shaped groove, and when the first I-beam is located in the first I-shaped groove, the second I-beam passes through the through hole.

[0012] Furthermore, a third I-beam is slidably arranged inside the third I-slot, a fourth I-beam is slidably arranged inside the fourth I-slot, and a plurality of screw holes are provided on the connecting block.

[0013] Furthermore, four pre-tightening grooves are provided on the inner wall of the second I-shaped groove, and two receiving grooves are provided on the inner walls of the third I-shaped groove and the fourth I-shaped groove, and the receiving grooves correspond to the pre-tightening grooves one by one;

[0014] Both ends of each fixed shaft are respectively located in the corresponding receiving groove and preload groove, one end of the fixed shaft is rotatably connected to the inner wall of the receiving groove, and the other end of the fixed shaft is rotatably connected to the inner wall of the corresponding preload groove.

[0015] Furthermore, the pre-tightening members are respectively a rubber block and a convex block, the cross-sectional shape of the rubber block is elliptical, the rubber block is arranged in the accommodating groove, and the convex block is arranged in the pre-tightening groove.

[0016] Furthermore, a torsion spring is sleeved on the fixed shaft, one end of the torsion spring is fixedly connected to the protrusion, and the other end of the torsion spring is fixedly connected to the inner wall of the preload groove.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. The connecting device of the structural beam is provided with a fixed shaft, and rubber blocks and protrusions are respectively provided at both ends of the fixed shaft. When using the connecting block, the first I-beam is inserted into the first I-slot, the third I-beam is inserted into the third I-slot, and the fourth I-beam is inserted into the fourth I-slot. At this time, the second I-beam is inserted into the second I-slot, and the second I-beam passes through the through hole and pushes the protrusion to rotate the fixed shaft, and the protrusion rotates into the pre-tightening groove, driving the rubber block to rotate, so that the end of the rubber block presses the third I-beam or the fourth I-beam upward, and the third I-beam and the fourth I-beam are pre-tightened, so that when using bolts for installation, the impact of vibration on the third I-beam and the fourth I-beam is reduced, the situation of readjustment is reduced, and the work efficiency is improved.

[0019] 2. The connecting device of the structural beam is provided with a torsion spring on the fixed shaft, one end of the torsion spring is fixedly connected to the protrusion, and the other end of the torsion spring is fixedly connected to the inner wall of the pre-tightening groove. In the initial state, the protrusion extends upward to the outside of the pre-tightening groove. Therefore, when the second I-beam pushes the protrusion to rotate the fixed shaft, the torsion spring will be twisted. Under the action of torsion, the torsion spring will push the fixed shaft, so that the protrusion abuts against the second I-beam, pre-tightening the second I-beam to facilitate subsequent fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the connecting block in the utility model;

[0022] Figure 3 It is a front cross-sectional view of the utility model;

[0023] Figure 4 It is a top sectional view of the utility model;

[0024] Figure 5 It is a schematic diagram of the structure inside the connecting block of the utility model;

[0025] Figure 6 This utility model Figure 5 Schematic diagram of the structure enlarged at point A in the middle.

[0026] In the figure: 1. connecting block; 2. first I-shaped groove; 3. second I-shaped groove; 4. third I-shaped groove; 5. fourth I-shaped groove; 6. screw hole; 7. preload groove; 8. fixed shaft; 9. rubber block; 10. bump; 11. torsion spring; 13. first I-beam; 14. third I-beam; 15. fourth I-beam; 16. second I-beam; 17. receiving groove. DETAILED DESCRIPTION

[0027] 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.

[0028] like Figure 1-Figure 6 As shown, the technical solution adopted by the utility model is as follows: a connecting device for a structural beam comprises a connecting block 1, a first I-shaped groove 2 penetrating from top to bottom is provided on the connecting block 1, a second I-shaped groove 3 penetrating from front to back is provided on the connecting block 1, and the second I-shaped groove 3 is connected to the first I-shaped groove 2.

[0029] A first I-beam 13 is slidably disposed inside the first I-shaped groove 2, and a through hole matching the second I-shaped groove 3 is formed through the first I-shaped groove 13. A second I-beam 16 is slidably disposed inside the second I-shaped groove 3. When the first I-beam 13 is located in the first I-shaped groove 2, the second I-beam 16 passes through the through hole.

[0030] A third I-shaped groove 4 is formed on the left side surface of the connecting block 1 , and a fourth I-shaped groove 5 is formed on the right side surface of the connecting block 1 .

[0031] A third I-beam 14 is slidably disposed inside the third I-shaped groove 4 , and a fourth I-beam 15 is slidably disposed inside the fourth I-shaped groove 5 .

[0032] The connection block 1 is provided with a plurality of screw holes 6, and the first I-beam 13, the second I-beam 16, the third I-beam 14, and the fourth I-beam 15 are provided with screw holes 6 adapted to the connection block 1. Bolts are passed through the corresponding screw holes 6 to fix the first I-beam 13, the second I-beam 16, the third I-beam 14, and the fourth I-beam 15 to the connection block 1.

[0033] Four fixed shafts 8 are rotatably arranged on the second I-shaped groove 3 , wherein the ends of two fixed shafts 8 extend into the third I-shaped groove 4 , and the ends of the other two fixed shafts 8 extend into the fourth I-shaped groove 5 .

[0034] Four pre-tightening grooves 7 are formed on the inner wall of the second I-shaped groove 3 , and two receiving grooves 17 are formed on the inner walls of the third I-shaped groove 4 and the fourth I-shaped groove 5 . The receiving grooves 17 correspond to the pre-tightening grooves 7 one by one.

[0035] Both ends of each fixed shaft 8 are respectively located in the corresponding receiving groove 17 and the preload groove 7. One end of the fixed shaft 8 is rotatably connected to the inner wall of the receiving groove 17, and the other end of the fixed shaft 8 is rotatably connected to the inner wall of the corresponding preload groove 7.

[0036] Both ends of the fixed shaft 8 are fixedly connected with pre-tightening members. The pre-tightening members are respectively a rubber block 9 and a convex block 10. The cross-sectional shape of the rubber block 9 is an ellipse. The rubber block 9 is arranged in the receiving groove 17, and the convex block 10 is arranged in the pre-tightening groove 7.

[0037] The protrusion 10 on each fixed shaft 8 is in abutment with the second I-beam 16. The rubber blocks 9 on two fixed shafts 8 are in abutment with the third I-beam 14, and the rubber blocks 9 on the other two fixed shafts 8 are in abutment with the fourth I-beam 15.

[0038] A torsion spring 11 is sleeved on the fixed shaft 8 , one end of the torsion spring 11 is fixedly connected to the protrusion 10 , and the other end of the torsion spring 11 is fixedly connected to the inner wall of the preload groove 7 .

[0039] Working principle:

[0040] When in use, the first I-beam 13 is inserted into the first I-shaped groove 2 so that the through hole on the first I-beam 13 corresponds to the second I-shaped groove 3 .

[0041] The third I-beam 14 is inserted into the third I-shaped groove 4 , and the fourth I-beam 15 is inserted into the fourth I-shaped groove 5 .

[0042] Insert the second I-beam 16 into the second I-shaped groove 3, and the second I-beam 16 will pass through the through hole. The second I-beam 16 will push the protrusion 10 to rotate the fixed shaft 8. The protrusion 10 rotates into the preload groove 7, driving the rubber block 9 to rotate, so that the end of the rubber block 9 presses the third I-beam 14 or the fourth I-beam 15 upward, and preloads the third I-beam 14 and the fourth I-beam 15. When using bolts for installation, the impact of vibration on the third I-beam 14 and the fourth I-beam 15 is reduced, the need for readjustment is reduced, and work efficiency is improved.

[0043] When the fixed shaft 8 rotates, the torsion spring 11 is driven to twist, and the torsion spring 11 pushes the fixed shaft 8 under the action of torque, so that the protrusion 10 abuts against the second I-beam 16, and the second I-beam 16 is pre-tightened to facilitate subsequent fixing. After pre-tightening, a bolt is used to pass through the screw hole 6 for fixing.

[0044] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. Connection device of structural beams, It is characterized in that The invention comprises a connecting block (1), wherein the connecting block (1) is provided with a first I-shaped groove (2) penetrating vertically, the connecting block (1) is provided with a second I-shaped groove (3) penetrating frontward and rearward, the second I-shaped groove (3) is connected to the first I-shaped groove (2), a third I-shaped groove (4) is provided on the left side surface of the connecting block (1), and a fourth I-shaped groove (5) is provided on the right side surface of the connecting block (1); Four fixed shafts (8) are rotatably arranged on the second I-shaped groove (3), wherein the ends of two fixed shafts (8) extend into the third I-shaped groove (4), and the ends of the other two fixed shafts (8) extend into the fourth I-shaped groove (5); Both ends of the fixed shaft (8) are fixedly connected with preloaded parts. The preloaded parts at one end of each fixed shaft (8) abut against the second I-beam (16) in the second I-shaped groove (3). The preloaded parts at the other ends of two fixed shafts (8) abut against the third I-beam (14) in the third I-shaped groove (4). The preloaded parts at the other ends of the other two fixed shafts (8) abut against the fourth I-beam (15) in the fourth I-shaped groove (5).

2. The structural beam connection device according to claim 1, Features: A first I-shaped steel (13) is slidably arranged inside the first I-shaped groove (2), and a through hole matching the second I-shaped groove (3) is penetrated through the first I-shaped steel (13).

3. The structural beam connection device according to claim 2, Features: A second I-beam (16) is slidably arranged inside the second I-shaped groove (3); when the first I-beam (13) is located in the first I-shaped groove (2), the second I-beam (16) passes through the through hole.

4. The structural beam connection device according to claim 1, Features: A third I-beam (14) is slidably disposed inside the third I-shaped groove (4), a fourth I-beam (15) is slidably disposed inside the fourth I-shaped groove (5), and a plurality of screw holes (6) are provided on the connecting block (1).

5. The structural beam connection device according to claim 1, Features: Four pre-tightening grooves (7) are provided on the inner wall of the second I-shaped groove (3), and two receiving grooves (17) are provided on the inner walls of the third I-shaped groove (4) and the fourth I-shaped groove (5), and the receiving grooves (17) correspond to the pre-tightening grooves (7) one by one; Both ends of each fixed shaft (8) are respectively located in the corresponding receiving groove (17) and the pre-tightening groove (7); one end of the fixed shaft (8) is rotatably connected to the inner wall of the receiving groove (17); and the other end of the fixed shaft (8) is rotatably connected to the inner wall of the corresponding pre-tightening groove (7).

6. The structural beam connection device according to claim 5, Features: The pre-tightening components are respectively a rubber block (9) and a convex block (10); the cross-sectional shape of the rubber block (9) is elliptical; the rubber block (9) is arranged in the receiving groove (17); and the convex block (10) is arranged in the pre-tightening groove (7).

7. The structural beam connection device according to claim 6, Features: The fixed shaft (8) is sleeved with a torsion spring (11), one end of the torsion spring (11) is fixedly connected to the protrusion (10), and the other end of the torsion spring (11) is fixedly connected to the inner wall of the preload groove (7).

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