CN-224214504-U - Cantilever beam connection reinforcing device based on flange structure optimization

Abstract

The utility model discloses a cantilever beam connection reinforcing apparatus based on flange structural optimization relates to flange structural optimization technical field, including cantilever beam pipe and rigid coupling at the spacing dish at cantilever beam pipe both ends, welded two flanges on the cantilever beam pipe outer wall, a plurality of first screw holes have been seted up to the equidistance on the flange, have five gusset on two flange outer lane lateral walls equally apart from welding, have seted up the second screw hole on the gusset, the utility model discloses a setting of gusset can effectively disperse the load, reduces the local atress of flange; through the arrangement of the bolt protection sleeve, the bolt and the external environment can be effectively isolated, and the performance degradation of the bolt caused by corrosion and abrasion is reduced; through the setting of anti-skidding tooth, can show the locking performance that improves the nut, ensure bolted connection's tightness, even under adverse circumstances and complicated load effect, also can keep the stability of connecting the position, solved traditional nut antiskid effect poor, become flexible easily under the vibration environment, lead to the problem of cantilever connection inefficacy.

Inventors

• HU PEISEN
• Gao Chunda
• OU RONGNIAN
• WANG MENG
• HAO BONING
• LI SHUNXING
• TANG MENG
• GAO XUEZHONG
• MO JINGWANG
• YAN YIBO

Assignees

• 国投中煤同煤京唐港口有限公司

Dates

Publication Date

20260508

Application Date

20250618

Claims (6)

1. 1. The cantilever beam connection reinforcing device based on flange structure optimization comprises a cantilever beam pipe and limiting plates (7) fixedly connected to two ends of the cantilever beam pipe, and is characterized in that two flanges (1) are welded on the outer wall of the cantilever beam pipe, a plurality of first threaded holes (11) are formed in the flanges (1) at equal intervals, five rib plates (2) are welded on the side wall of the outer ring of each flange (1) at equal intervals, and second threaded holes (10) are formed in the rib plates (2).
2. 2. The cantilever beam connection reinforcing device based on flange structure optimization according to claim 1 is characterized in that a first bolt (3) used for fixing is inserted between two flanges (1), a first gasket (4) is arranged at the joint of one end of the first bolt (3) and one flange (1), a first anti-slip nut (8) is connected with the other end of the first bolt (3) in a threaded mode, and the first anti-slip nut (8) is abutted to the other flange (1).
3. 3. The cantilever beam connection reinforcing device based on flange structure optimization according to claim 1, wherein a second bolt (5) is vertically inserted between the two rib plates (2), a second gasket (6) is arranged at the joint of one end of the second bolt (5) and one rib plate (2), a second anti-slip nut (9) is connected with the other end of the second bolt (5) in a threaded manner, and the second anti-slip nut (9) is abutted to the other rib plate (2).
4. 4. The cantilever beam connection reinforcing device based on flange structure optimization according to claim 2, wherein one ends of the first anti-slip screw cap (8) and the second anti-slip screw cap (9) are fixedly connected with anti-slip teeth (13), the anti-slip teeth (13) are made of rubber materials, and the anti-slip teeth (13) are machined on the side wall of the anti-slip screw cap by using a knurling process.
5. 5. The cantilever beam connection reinforcing device based on flange structure optimization according to claim 2, wherein the first bolt (3) and the second bolt (5) are connected with a bolt protection sleeve (12) in a screwed mode, the bolt protection sleeve (12) is inserted into the first threaded hole (11) and the second threaded hole (10) respectively, and the bolt protection sleeve (12) is made of plastic materials.
6. 6. The cantilever beam connecting and reinforcing device based on flange structure optimization according to claim 1, wherein the flange (1) is formed by forging high-strength alloy steel through a heat treatment process.

Description

Cantilever beam connection reinforcing device based on flange structure optimization Technical Field The utility model relates to the technical field of flange structure optimization, in particular to a cantilever beam connection reinforcing device based on flange structure optimization. Background In the field of mechanical engineering, the cantilever beam is used as a common stress member, the stability of a connecting part of the cantilever beam is critical to the safety of the whole structure, and a common nut used in the traditional cantilever beam connection has a plurality of technical problems which are difficult to overcome in the practical application process, especially the defect in the aspect of anti-skid performance, so that the reliability of the cantilever beam structure is seriously influenced; The prior patent publication number is CN105370674A, the name is a cantilever type flange connecting device, which comprises a cantilever flange connector and a fixed flange connector, an alignment piece which can ensure the coincidence of central axes of the cantilever flange connector and the fixed flange connector is arranged on the cantilever flange connector, and the cantilever flange connector is detachably connected with the fixed flange connector through a locking mechanism. When the device is used, the central axes of the cantilever flange joint and the fixed flange joint are overlapped through the alignment piece, the accurate positioning between the cantilever flange joint and the fixed flange joint is ensured, and the coaxiality of the cantilever flange joint and the fixed flange joint is ensured; However, the nut in the above proposal adopts a smooth surface design, and is fastened with the connected component only by the friction force of the screw threads, and in the practical work of the cantilever beam, because the load born by the cantilever beam is complex and changeable, vibration and impact in different directions can be generated, for example, in the cantilever beam structure of a crane, when a heavy object is lifted or a turning operation is carried out, the cantilever beam can be acted by periodic vibration and inertia force, under the vibration environment, the friction force between the screw threads is difficult to resist the loosening trend caused by the vibration, the nut is easy to slowly rotate and gradually loosen, and the fastening performance of the connecting part is reduced, so the problem needs to be solved. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides a cantilever beam connection reinforcing device based on flange structure optimization. In order to achieve the purpose, the cantilever beam connecting and reinforcing device based on flange structure optimization comprises a cantilever beam pipe and limiting plates fixedly connected to two ends of the cantilever beam pipe, wherein two flanges are welded on the outer wall of the cantilever beam pipe, a plurality of first threaded holes are formed in the flanges at equal intervals, five rib plates are welded on the side walls of the outer rings of the two flanges at equal intervals, and second threaded holes are formed in the rib plates. Preferably, a first bolt for fixing is inserted between the two flanges, a first gasket is arranged at the joint of one end of the first bolt and one flange, a first anti-slip nut is connected with the other end of the first bolt in a threaded manner, and the first anti-slip nut is abutted to the other flange. Preferably, a second bolt is vertically inserted between the two rib plates, a second gasket is arranged at the joint of one end of the second bolt and one rib plate, a second anti-slip nut is connected with the other end of the second bolt in a threaded manner, and the second anti-slip nut is abutted to the other rib plate. Preferably, one end of the first anti-slip nut and one end of the second anti-slip nut are fixedly connected with anti-slip teeth, the anti-slip teeth are made of rubber materials, and the anti-slip teeth are machined on the side wall of the anti-slip nut by using a knurling process. Preferably, the first bolt and the second bolt are connected with bolt protection sleeves in a screwing mode, the bolt protection sleeves are respectively inserted into the first threaded hole and the second threaded hole, and the bolt protection sleeves are made of plastic materials. Preferably, the flange is forged from high strength alloy steel through a heat treatment process. Compared with the prior art, the anti-slip nut has the advantages that the anti-slip nut can effectively disperse load, reduce local stress of the flanges, strengthen cooperative action among the flanges, improve rigidity and stability of the whole connecting part, enable the cantilever beam not to deform easily when bearing complex load, effectively isolate the bolt from the external environment through the cooperation of the bolt and the bolt