Corrosion-resistant anti-seismic steel member of large-span cantilever structure

Abstract

The utility model relates to the technical field of steel structures, in particular to a corrosion-resistant anti-seismic steel member of a large-span cantilever structure. Comprising connecting plates fixed to the two ends of a cantilever beam, rotating seats are arranged at the bottoms of the connecting plates, first rectangular cylinders and guide rods are arranged at the bottoms of the rotating seats, the guide rods are located in the first rectangular cylinders, and second rectangular cylinders are slidably mounted in the first rectangular cylinders; the bottom end of the second rectangular barrel extends out of the first rectangular barrel and is fixedly provided with a connecting sleeve, the guide rod is slidably connected with the inner wall of the second rectangular barrel, and a first rubber buffer pad making contact with the bottom end of the guide rod is arranged in the second rectangular barrel. Through the simple anti-seismic structure, the structural stability of the anti-seismic steel member can be effectively improved, the problem that the shaking amplitude of a large-span cantilever structure is large after vibration can be effectively solved, the problem of structural deformation is reduced, and the safety of building facilities is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structures, in particular to a corrosion-resistant and earthquake-resistant steel component of a large-span cantilever structure. Background Art

[0002] Steel structure is widely used in various construction facilities due to its advantages such as relatively light weight, high structural strength and strong plasticity. It is mainly used as a supporting frame, especially as a supporting member of large-span construction facilities, which brings great convenience to the construction of buildings and engineering facilities. The prior art discloses an earthquake-resistant and corrosion-resistant steel member with an authorization announcement number of CN219808501U, comprising a steel member body, a shock-absorbing component is arranged above the steel member body, a first semicircular frame is arranged above the shock-absorbing component, a second semicircular frame is arranged above the first semicircular frame, and the first semicircular frame and A cross bar is arranged between the first and second semicircular frames, a connecting assembly is arranged at the connection between the first and second semicircular frames, and a clamping assembly is arranged inside the second semicircular frame. The utility model achieves the effect of conveniently connecting and fixing the first and second semicircular frames by arranging the connecting assembly, so that when the device is in use, the first and second semicircular frames can be conveniently connected and fixed, thereby improving the convenience of use. The utility model arranges the clamping assembly so that when the device is in use, the first and second semicircular frames can be clamped and fixed between cross bars of different sizes.

[0003] However, it has been found during use that the existing corrosion-resistant and earthquake-resistant steel components of large-span cantilever structures are relatively thin and lack stability, which can easily cause large-span cantilever structures to shake greatly after being vibrated, which is not conducive to the safety of building facilities. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide a corrosion-resistant and earthquake-resistant steel component for a large-span cantilever structure, which can effectively improve the structural stability of the earthquake-resistant steel component, effectively avoid the problem of large shaking amplitude after vibration of the large-span cantilever structure, reduce the problem of structural deformation, and is conducive to improving the safety of building facilities and solving the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the technical solution adopted by the utility model is: a corrosion-resistant and earthquake-resistant steel member of a large-span cantilever structure, comprising a connecting plate fixed at both ends of the cantilever beam, the bottom of the connecting plate is provided with a rotating seat, the bottom of the rotating seat is provided with a first rectangular tube and a guide rod, the guide rod is located in the first rectangular tube, a second rectangular tube is slidably installed in the first rectangular tube, the bottom end of the second rectangular tube extends to the outside of the first rectangular tube and is fixedly installed with a connecting sleeve, the guide rod is slidably connected to the inner wall of the second rectangular tube, a first rubber buffer pad in contact with the bottom end of the guide rod is provided in the second rectangular tube, a second rubber buffer pad in contact with the bottom end of the first rectangular tube is provided on the top of the connecting sleeve, the second rectangular tube passes through the second rubber buffer pad, rectangular through grooves are penetrated on both sides of the inner walls of the second rectangular tube, a limiting block is slidably penetrated in the rectangular through groove, one end of the limiting block is fixed on the guide rod, and the other end of the limiting block is fixed on one side inner wall of the first rectangular tube.

[0006] To facilitate the rapid installation of seismic steel components on cantilever beams:

[0007] As a further improvement of the above technical solution: the connecting plate also includes two card slots, which are opened at the bottom of the connecting plate, and a card plate is slidably installed in the card slot, and the card plate is fixed on the top of the rotating seat. Two pin rods are slidably penetrated on the card plate, and two chambers are opened on the connecting plate, and a slide plate is slidably installed in the chamber, one end of the pin rod extends into the corresponding chamber and is fixed on the slide plate, and a bidirectional screw rod is rotatably installed on the connecting plate, and the bidirectional screw rod thread passes through the two slide plates.

[0008] The beneficial effect of this improvement is that through such an arrangement, it is convenient to quickly install the earthquake-resistant steel components on the cantilever beam, avoiding the cumbersome operation problems caused by traditional bolt or rivet connections, which is conducive to improving construction efficiency.

[0009] To reduce the corrosion problem of steel structures:

[0010] As a further improvement of the above technical solution: a circular plate is rotatably installed inside the rotating seat, the first rectangular tube and the guide rod are fixed at the bottom of the circular plate, and the connecting plate, the rotating seat, the first rectangular tube and the connecting sleeve are coated with anti-rust paint.

[0011] The beneficial effect of this improvement is that by applying anti-rust paint, the corrosion problem of steel structures can be reduced.

[0012] In order to facilitate the first rectangular tube to stabilize the second rubber buffer pad:

[0013] As a further improvement of the above technical solution: an annular plate is fixedly sleeved on the first rectangular tube, and the annular plate is in contact with the top of the second rubber buffer pad.

[0014] The beneficial effect of this improvement is that by providing the annular plate, the first rectangular tube can be easily pressed to stabilize the second rubber buffer pad.

[0015] In order to facilitate the cushion to be compressed and deformed in a limited space and provide cushioning:

[0016] As a further improvement of the above technical solution: the first rubber buffer pad and the second rubber buffer pad are both annular structures.

[0017] The beneficial effect of this improvement is that, through such an arrangement, the cushion pad can be compressed and deformed in a limited space to provide cushioning.

[0018] In order to facilitate the pin to lock the card:

[0019] As a further improvement of the above technical solution: the card plate has two first through holes, the chamber and the corresponding card slot have two second through holes, and the pin rod slides through the corresponding first through hole and second through hole.

[0020] The beneficial effect of this improvement is that by providing the first through hole and the second through hole, it is convenient for the pin rod to lock the clamping plate.

[0021] To make the skateboard slide more stable:

[0022] As a further improvement of the above technical solution: a limit rod is fixedly installed in the chamber, and the limit rod slides through the corresponding slide.

[0023] The beneficial effect of this improvement is that by setting the limiting rod, it is convenient to limit the sliding plate, so that the sliding of the sliding plate is more stable.

[0024] In order to facilitate the support and limit of the bidirectional screw:

[0025] As a further improvement of the above technical solution: a groove communicating with both chambers is opened on one side of the connecting plate, the bidirectional screw is rotatably installed in the groove, a sealing ring is provided in the groove, and the sealing ring is rotatably sleeved on the bidirectional screw.

[0026] The beneficial effect of this improvement is that by providing the groove, it is convenient to support and limit the bidirectional screw rod.

[0027] The beneficial effects of the utility model are: through a simple earthquake-resistant structure, the structural stability of the earthquake-resistant steel components can be effectively improved, the problem of large shaking amplitude after vibration of large-span cantilever structures can be effectively avoided, the problem of structural deformation is reduced, and it is beneficial to improve the safety of building facilities. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0029] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of part A;

[0030] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure of part B;

[0031] Figure 4 It is a three-dimensional cross-sectional structural schematic diagram of the second rectangular tube in the utility model;

[0032] Figure 5 It is a three-dimensional cross-sectional structural schematic diagram of the connecting plate in the utility model.

[0033] In the figure: 1. cantilever beam; 2. connecting plate; 3. rotating seat; 4. first rectangular tube; 5. guide rod; 6. second rectangular tube; 7. connecting sleeve; 8. first rubber buffer pad; 9. second rubber buffer pad; 10. rectangular through groove; 11. limit block; 12. slot; 13. clamping plate; 14. pin rod; 15. chamber; 16. slide plate; 17. bidirectional screw rod. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0035] like Figure 1-5As shown, a corrosion-resistant and earthquake-resistant steel member of a large-span cantilever structure comprises a connecting plate 2 fixed at both ends of a cantilever beam 1, a rotating seat 3 is provided at the bottom of the connecting plate 2, a first rectangular tube 4 and a guide rod 5 are provided at the bottom of the rotating seat 3, the guide rod 5 is located in the first rectangular tube 4, a second rectangular tube 6 is slidably installed in the first rectangular tube 4, the bottom end of the second rectangular tube 6 extends to the outside of the first rectangular tube 4 and is fixedly installed with a connecting sleeve 7, the guide rod 5 is slidably connected to the inner wall of the second rectangular tube 6, a first rubber buffer pad 8 in contact with the bottom end of the guide rod 5 is provided in the second rectangular tube 6, a second rubber buffer pad 9 in contact with the bottom end of the first rectangular tube 4 is provided on the top of the connecting sleeve 7, the second rectangular tube 6 passes through the second rubber buffer pad 9, and the second rectangular tube 6 passes through the second rubber buffer pad 9. Rectangular through grooves 10 are penetrated on the inner walls on both sides of the two rectangular tubes 6, and a limiting block 11 is slidably penetrated in the rectangular through grooves 10. One end of the limiting block 11 is fixed on the guide rod 5, and the other end of the limiting block 11 is fixed on the inner wall of one side of the first rectangular tube 4. Through a simple earthquake-resistant structure, the structural stability of the earthquake-resistant steel member can be effectively improved, and the problem of large shaking amplitude after vibration of the large-span cantilever structure can be effectively avoided, and the problem of structural deformation is reduced, which is beneficial to improving the safety of the building facilities. The connecting plate 2 also includes two card slots 12, and the card slots 12 are opened at the bottom of the connecting plate 2. A card plate 13 is slidably installed in the card slots 12, and the card plate 13 is fixed on the top of the rotating seat 3. Two card slots 13 are slidably penetrated on the card plate 13 A pin rod 14 is provided on the connecting plate 2, and two chambers 15 are provided on the chamber 15, and a slide plate 16 is slidably installed in the chamber 15, and one end of the pin rod 14 extends into the corresponding chamber 15 and is fixed on the slide plate 16, and a bidirectional screw rod 17 is rotatably installed on the connecting plate 2, and the bidirectional screw rod 17 threads through the two slide plates 16. Through such an arrangement, it is convenient to quickly install the earthquake-resistant steel component on the cantilever beam 1, avoiding the cumbersome operation problems caused by traditional bolt or rivet connection, which is conducive to improving construction efficiency. A circular plate is rotatably installed on the rotating seat 3, and the first rectangular tube 4 and the guide rod 5 are fixed on the bottom of the circular plate. The connecting plate 2, the rotating seat 3, the first rectangular tube 4 and the connecting sleeve 7 are all coated with anti-rust paint. By coating the anti-rust paint, The corrosion problem of steel structure can be reduced. An annular plate is fixedly sleeved on the first rectangular tube 4. The annular plate contacts the top of the second rubber buffer pad 9. By setting the annular plate, the first rectangular tube 4 can press the second rubber buffer pad 9. The first rubber buffer pad 8 and the second rubber buffer pad 9 are both annular structures. By setting it in this way, the buffer pads can be compressed and deformed in a limited space and provide buffering. Two first through holes are penetrated on the card plate 13, and two second through holes are penetrated between the chamber 15 and the corresponding card slot 12. The pin rod 14 slides through the corresponding first through hole and second through hole. By setting the first through hole and the second through hole, the pin rod 14 can lock the card plate 13. A limit rod is fixedly installed in the chamber 15.The limit rod slides through the corresponding slide plate 16. By setting the limit rod, it is convenient to limit the slide plate 16, so that the slide plate 16 slides more stably. A groove connected to both chambers 15 is opened on one side of the connecting plate 2. The bidirectional screw rod 17 is rotatably installed in the groove. A sealing ring is provided in the groove. The sealing ring is rotatably sleeved on the bidirectional screw rod 17. By setting the groove, it is convenient to support and limit the bidirectional screw rod 17.

[0036] The working principle of the utility model is as follows: when in use, first fix the connecting sleeve 7 on the supporting column, then lift the cantilever beam 1 to the top of the two earthquake-resistant steel components, so that the two connecting plates 2 are respectively aligned with the corresponding rotating seats 3, lower the cantilever beam 1, so that the clamping plate 13 is slidably inserted into the corresponding clamping groove 12, the connecting plate 2 is in contact with the corresponding rotating seat 3, and then rotate the two bidirectional screw rods 17, so that the two slide plates 16 are driven to slide in the corresponding chambers 15 and move away from each other, the slide plate 16 drives the two pin rods 14 to slide through the corresponding clamping plates 13, so that the clamping plates 13 are fixed, and the connection between the connecting plate 2 and the rotating seat 3 is completed. Through such an arrangement, it is convenient to quickly install the earthquake-resistant steel components on the cantilever beam 1, avoiding the cumbersome operation problems caused by traditional bolts or rivets. It is beneficial to improve the construction efficiency. 1 vibrates, so that the connecting plate 2 is driven to vibrate back and forth up and down, so that the rotating seat 3, the first rectangular tube 4 and the guide rod 5 are driven to vibrate back and forth up and down, and the limit block 11 is driven by the first rectangular tube 4 to slide back and forth up and down in the corresponding rectangular through groove 10, so that the first rubber buffer pad 8 is repeatedly pressed by the guide rod 5 and provides buffering, and at the same time, the first rectangular tube 4 repeatedly presses the second rubber buffer pad 9, and the second rubber buffer pad 9 provides buffering. When the cantilever beam 1 is twisted slightly, the connecting plate 2 is driven to rotate, and the connecting plate 2 drives the rotating seat to rotate slightly on the first rectangular tube 4. Through such an arrangement, the structural stability of the seismic steel member can be effectively improved, and the problem of large shaking amplitude of the large-span cantilever structure after vibration can be effectively avoided, and the problem of structural deformation is reduced, which is conducive to improving the safety of the building facilities.

[0037] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0038] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, embellishments or changes, and can also combine the above technical features in an appropriate manner; these improvements, embellishments, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A corrosion-resistant and earthquake-resistant steel member of a large-span cantilever structure, comprising connecting plates (2) fixed at both ends of a cantilever beam (1), characterized in that: The bottom of the connecting plate (2) is provided with a rotating seat (3), the bottom of the rotating seat (3) is provided with a first rectangular tube (4) and a guide rod (5), the guide rod (5) is located in the first rectangular tube (4), a second rectangular tube (6) is slidably mounted in the first rectangular tube (4), the bottom end of the second rectangular tube (6) extends outside the first rectangular tube (4) and is fixedly mounted with a connecting sleeve (7), the guide rod (5) is slidably connected to the inner wall of the second rectangular tube (6), the second rectangular tube (6) is provided with a connecting sleeve (7) connected to the bottom end of the guide rod (5) The connecting sleeve (7) is provided with a first rubber buffer pad (8) in contact with the bottom end of the first rectangular tube (4); the top of the connecting sleeve (7) is provided with a second rubber buffer pad (9) in contact with the bottom end of the first rectangular tube (4); the second rectangular tube (6) penetrates the second rubber buffer pad (9); rectangular through grooves (10) are penetrated on both sides of the inner wall of the second rectangular tube (6); a limit block (11) is slidably penetrated in the rectangular through groove (10); one end of the limit block (11) is fixed to the guide rod (5); and the other end of the limit block (11) is fixed to one side inner wall of the first rectangular tube (4).

2. The corrosion-resistant and earthquake-resistant steel member of a large-span cantilever structure according to claim 1, characterized in that: The connecting plate (2) further comprises two card slots (12), wherein the card slots (12) are provided at the bottom of the connecting plate (2), a card plate (13) is slidably mounted in the card slots (12), the card plate (13) is fixed to the top of the rotating seat (3), two pins (14) are slidably penetrated on the card plate (13), two chambers (15) are provided on the connecting plate (2), a slide plate (16) is slidably mounted in the chamber (15), one end of the pin rod (14) extends into the corresponding chamber (15) and is fixed on the slide plate (16), a bidirectional screw rod (17) is rotatably mounted on the connecting plate (2), and the bidirectional screw rod (17) is threadedly penetrated through the two slide plates (16).

3. The corrosion-resistant and earthquake-resistant steel member of a large-span cantilever structure according to claim 1, characterized in that: A circular plate is rotatably mounted inside the rotating seat (3); the first rectangular tube (4) and the guide rod (5) are fixed to the bottom of the circular plate; and the connecting plate (2), the rotating seat (3), the first rectangular tube (4) and the connecting sleeve (7) are all coated with anti-rust paint.

4. The corrosion-resistant and earthquake-resistant steel member of a large-span cantilever structure according to claim 1 is characterized by: An annular plate is fixedly sleeved on the first rectangular tube (4), and the annular plate is in contact with the top of the second rubber buffer pad (9).

5. The corrosion-resistant and earthquake-resistant steel member of a large-span cantilever structure according to claim 1, characterized in that: The first rubber buffer pad (8) and the second rubber buffer pad (9) are both annular structures.

6. The corrosion-resistant and earthquake-resistant steel member of a large-span cantilever structure according to claim 2, characterized in that: The card plate (13) is penetrated by two first through holes, the chamber (15) and the corresponding card slot (12) are penetrated by two second through holes, and the pin rod (14) slides through the corresponding first through hole and the second through hole.

7. The corrosion-resistant and earthquake-resistant steel member of a large-span cantilever structure according to claim 2 is characterized by: A limit rod is fixedly installed in the chamber (15), and the limit rod slides through the corresponding slide plate (16).

8. The corrosion-resistant and earthquake-resistant steel member of a large-span cantilever structure according to claim 2, characterized in that: A groove communicating with both chambers (15) is provided on one side of the connecting plate (2), and the bidirectional screw rod (17) is rotatably mounted in the groove. A sealing ring is provided in the groove, and the sealing ring is rotatably sleeved on the bidirectional screw rod (17).

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