High-precision anti-seismic bridge steel structure

Abstract

The utility model discloses a high-precision anti-seismic bridge steel structure which comprises a first mounting seat, a buffer groove is formed in the first mounting seat, a plurality of buffer springs are fixedly connected to the lower end of the interior of the buffer groove symmetrically, a first fixing plate is fixedly connected to the tops of the buffer springs, and a second fixing plate is fixedly connected to the top of the first fixing plate. The top of the first fixing plate is fixedly connected with a buffer base, the top of the buffer base is fixedly connected with a second fixing plate, the outer side of the upper end of the buffer base is fixedly connected with a first buffer ring, and the top of the second fixing plate is fixedly connected with a connecting block. The buffer base and the connecting block can contract and then bounce, a force buffer effect is achieved on an upper-layer object in the stretching and retracting process, the buffer force of the whole structure is enhanced by arranging a first buffer ring and a second buffer ring, and the situation that the buffer base and the connecting block are damaged due to friction in the vibration process can be prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge steel structures, and in particular relates to a high-precision earthquake-resistant bridge steel structure. Background Art

[0002] As a common form of building structure, steel structure plays an important role in earthquake-resistant design. The lightweight characteristics of steel structure Steel has the characteristics of high strength and light weight. Compared with traditional concrete structure and masonry structure, the deadweight of steel structure is smaller. In earthquake-resistant design, lightweight structure can reduce the impact of earthquake load on building structure and improve the earthquake resistance of structure. Due to the lightweight characteristics of steel structure, steel structure refers to a structure composed of steel materials. It is one of the most common types of building structures in the current construction field. It is mostly used in house construction and bridge erection. Especially in the field of bridges, steel The structure usually serves as the pillar of the bridge deck, so the steel structure needs to meet certain seismic requirements to ensure that the bridge will not be easily damaged when vehicles pass by or an earthquake disaster occurs. Light steel structures are mainly used in load-bearing buildings that do not bear large loads. Light H-shaped steel is used to make a portal steel frame support, C-shaped and Z-shaped cold-bent thin-walled steel is used as purlins and wall beams, corrugated steel plates or lightweight sandwich panels are used as roof and wall enclosure structures, and low-rise and multi-story prefabricated and assembled steel structure house systems are assembled with high-strength bolts, ordinary bolts, self-tapping screws and other connectors and sealing materials. They are also more suitable for bridge structures.

[0003] Some existing earthquake-resistant bridge steel structures are prone to deformation or even collapse when subjected to natural disasters after long-term use due to the lack of buffer structures, which seriously affects their normal use. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a high-precision earthquake-resistant bridge steel structure to solve the problem that some existing earthquake-resistant bridge steel structures proposed in the above background technology are prone to deformation or even collapse when subjected to natural disasters after long-term use due to the lack of buffer structure, which seriously affects their normal use.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a high-precision earthquake-resistant bridge steel structure, comprising a first mounting seat, a buffer groove is arranged inside the first mounting seat, a buffer spring is fixedly connected to the lower end of the buffer groove, a plurality of buffer springs are symmetrically arranged, a first fixing plate is fixedly connected to the top of the buffer spring, a buffer base is fixedly connected to the top of the first fixing plate, a second fixing plate is fixedly connected to the top of the buffer base, a first buffer ring is fixedly connected to the outer side of the upper end of the buffer base, a connecting block is fixedly connected to the top of the second fixing plate, a mounting plate is fixedly connected to the top of the connecting block, a second mounting seat is fixedly connected to the top of the mounting plate, and a second buffer ring is fixedly connected to the outer side of the connecting block.

[0006] Preferably, a first protective seat is fixedly connected to the outer side of one end of the buffer spring.

[0007] Preferably, a second protective seat is fixedly connected to the outer side of the other end of the buffer spring.

[0008] Preferably, the inner walls of the buffer grooves are fixedly connected with anti-collision pads.

[0009] Preferably, a fixed steel bar is fixedly connected inside the connection block.

[0010] Preferably, a plurality of the fixed steel bars are symmetrically arranged.

[0011] Preferably, the outer surface of the connecting block is configured to be in an arc shape.

[0012] Preferably, the buffer spring, the anti-collision pad, the first buffer ring and the second buffer ring are all made of wear-resistant material.

[0013] Compared with the prior art, the utility model provides a high-precision earthquake-resistant bridge steel structure, which has the following beneficial effects:

[0014] 1. The utility model sets a buffer point at the connection between the upper and lower steel structures of the bridge by arranging a buffer spring to reduce the damage to the bridge caused by vibration of external factors. When the buffer spring is subjected to a force, it will contract and then rebound, and play a force buffering role on the upper object during the expansion and contraction process. By arranging the first buffer ring and the second buffer ring, the buffering force of the overall structure is strengthened, and damage to the buffer base and the connecting block due to friction during the vibration process can be prevented, thereby extending the service life of the structure to a certain extent.

[0015] 2. The utility model provides an anti-collision pad to protect the lower end of the buffer base, thereby preventing the outer surface of the buffer base from being damaged due to friction during vibration.

[0016] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the axial structure of a high-precision earthquake-resistant bridge steel structure proposed by the utility model;

[0019] Figure 2 This is a front structural schematic diagram of a high-precision earthquake-resistant bridge steel structure proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the front vertical section structure of a high-precision earthquake-resistant bridge steel structure proposed by the utility model;

[0021] Figure 4 for Figure 3 A schematic diagram of the enlarged structure at point A;

[0022] In the figure: the first mounting seat 1, the buffer groove 2, the buffer spring 3, the first protective seat 4, the second protective seat 5, the first fixed plate 6, the buffer base 7, the anti-collision pad 8, the first buffer ring 9, the second fixed plate 10, the connecting block 11, the fixed steel bar 12, the second buffer ring 13, the mounting plate 14, and the second mounting seat 15. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4The utility model provides a technical solution: a high-precision earthquake-resistant bridge steel structure, including a first mounting seat 1, a buffer groove 2 is arranged inside the first mounting seat 1, a buffer spring 3 is fixedly connected to the lower end of the buffer groove 2, a plurality of buffer springs 3 are symmetrically arranged, a first fixing plate 6 is fixedly connected to the top of the buffer spring 3, a buffer base 7 is fixedly connected to the top of the first fixing plate 6, a second fixing plate 10 is fixedly connected to the top of the buffer base 7, a first buffer ring 9 is fixedly connected to the outer side of the upper end of the buffer base 7, a connecting block 11 is fixedly connected to the top of the second fixing plate 10, and a mounting plate 14 is fixedly connected to the top of the connecting block 11 A second mounting seat 15 is fixedly connected to the top of the mounting plate 14, and a second buffer ring 13 is fixedly connected to the outer side of the connecting block 11. A buffer point is set at the connection between the upper and lower steel structures of the bridge to reduce the damage to the bridge caused by vibration due to external factors. When the buffer spring 3 is subjected to a force, it will contract and then rebound, and play a force buffering role on the upper object during the expansion and contraction process. By setting the first buffer ring 9 and the second buffer ring 13, the buffering force of the overall structure is strengthened, and damage to the buffer base 7 and the connecting block 11 due to friction during the vibration can be prevented, which can extend the service life of the structure to a certain extent.

[0025] In the present invention, preferably, the outer side of one end of the buffer spring 3 is fixedly connected with a first protective seat 4 , which can protect the one end of the buffer spring 3 .

[0026] In the present invention, preferably, the outer side of the other end of the buffer spring 3 is fixedly connected with a second protective seat 5 , which can protect the other end of the buffer spring 3 .

[0027] In the present invention, preferably, the inner wall of the buffer groove 2 is fixedly connected with an anti-collision pad 8 to protect the lower end of the buffer base 7 and prevent the outer surface of the buffer base 7 from being damaged due to friction during vibration.

[0028] In the present invention, preferably, the interior of the connecting block 11 is fixedly connected with a fixed steel bar 12, which can enhance the stability of the structure.

[0029] In the present invention, preferably, a plurality of fixed steel bars 12 are symmetrically arranged.

[0030] In the present invention, preferably, the outer surface of the connecting block 11 is set to be in an arc shape, so that the smooth curved outer surface can reduce the friction between the connecting block 11 and the first mounting seat 1 during vibration, thereby achieving the effect of reducing structural damage.

[0031] In the present utility model, preferably, the buffer spring 3, the anti-collision pad 8, the first buffer ring 9 and the second buffer ring 13 are all made of wear-resistant materials, which can extend their service life to a certain extent.

[0032] The working principle and use process of the utility model are as follows: when in use, by setting a buffer spring 3, when the buffer spring 3 is subjected to a force, it will contract and then rebound, and play a force buffering role on the upper object during the expansion and contraction process. By setting a first buffer ring 9 and a second buffer ring 13, the buffering force of the overall structure is strengthened, and damage to the buffer base 7 and the connecting block 11 due to friction during vibration can be prevented. By setting an anti-collision pad 8, a protective effect is played on the lower end of the buffer base 7.

[0033] 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 high-precision earthquake-resistant bridge steel structure, comprising a first mounting seat (1), characterized in that: A buffer groove (2) is provided inside the first mounting seat (1), a buffer spring (3) is fixedly connected to the lower end of the buffer groove (2), a plurality of buffer springs (3) are symmetrically provided, a first fixed plate (6) is fixedly connected to the top of the buffer spring (3), a buffer base (7) is fixedly connected to the top of the first fixed plate (6), a second fixed plate (10) is fixedly connected to the top of the buffer base (7), a first buffer ring (9) is fixedly connected to the outer side of the upper end of the buffer base (7), a connecting block (11) is fixedly connected to the top of the second fixed plate (10), a mounting plate (14) is fixedly connected to the top of the connecting block (11), a second mounting seat (15) is fixedly connected to the top of the mounting plate (14), and a second buffer ring (13) is fixedly connected to the outer side of the connecting block (11).

2. A high-precision earthquake-resistant bridge steel structure according to claim 1, characterized in that: The outer side of one end of the buffer spring (3) is fixedly connected to a first protective seat (4).

3. The high-precision earthquake-resistant bridge steel structure according to claim 1 is characterized in that: The outer side of the other end of the buffer spring (3) is fixedly connected to a second protective seat (5).

4. The high-precision earthquake-resistant bridge steel structure according to claim 1 is characterized in that: The inner walls of the buffer grooves (2) are fixedly connected with anti-collision pads (8).

5. The high-precision earthquake-resistant bridge steel structure according to claim 1 is characterized in that: A fixed steel bar (12) is fixedly connected inside the connection block (11).

6. The high-precision earthquake-resistant bridge steel structure according to claim 5 is characterized in that: A plurality of the fixed steel bars (12) are symmetrically arranged.

7. The high-precision earthquake-resistant bridge steel structure according to claim 1 is characterized in that: The outer surface of the connecting block (11) is arranged in an arc shape.

8. The high-precision earthquake-resistant bridge steel structure according to claim 1 is characterized by: The buffer spring (3), the anti-collision pad (8), the first buffer ring (9) and the second buffer ring (13) are all made of wear-resistant material.

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