A high-strength I-beam

Abstract

The utility model relates to the technical field of I-beams, and specifically to a high-strength I-beam, wherein positioning blocks are respectively arranged on the upper surfaces of a first connection portion and a second connection portion, a first positioning groove is arranged on the upper surface of the upper beam of the first I-beam, a second positioning groove is arranged on the upper surface of the upper beam of the second I-beam, the first connection portion is matched and connected with the first positioning groove, the second connection portion is matched and connected with the second positioning groove, a first limiting column passes through the first I-beam and is threadedly connected to the first connection portion, and a second limiting column passes through the second I-beam and is threadedly connected to the second connection portion. The utility model overcomes the shortcomings of the prior art, and by arranging a connecting plate and a limiting column, the I-beam can be limited by the positioning block, so as to avoid the shaking of the I-beam during aerial hoisting, which affects the installation progress, and improves the stability and connection accuracy of the connection structure.

Description

Technical Field

[0001] The utility model relates to the technical field of I-beam steel beams, in particular to a high-strength I-beam steel beam. Background Art

[0002] Steel structure bridges have been widely used due to their advantages such as short construction period and strong adaptability. I-beams have good bending resistance and have been widely used in steel structure bridges. When working on existing steel structure bridges, a large number of bolts and connectors are usually used to connect two groups of I-beams, which then play the role of supporting the frame. In this process, connecting components are required to fix the I-beams. During the connection process, the bolts need to be inserted into the pre-opened holes and grooves, and then fixed with bolts. Since both the upper and lower ends of the I-beam need to be fixed, and when used as a supporting component, it faces frequent installation and disassembly. During the installation process, it is very cumbersome to install the nuts and stabilize the bolts at the same time, which increases the workload of the installers and the difficulty of installation.

[0003] Chinese patent: CN113481816B discloses a bridge I-beam, including I-beam 1, I-beam 2 and a connecting assembly, wherein I-beam 1 and I-beam 2 have the same structure, and both I-beam 1 and I-beam 2 include an upper beam, a lower beam, and a first middle plate and a second middle plate arranged parallel to each other between the upper beam and the lower beam. However, such an I-beam structure can limit the vertical displacement of the middle plate, and the relative movement between the upper and lower beams cannot be limited when the two I-beams are installed, which increases the workload and difficulty of the installers. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a high-strength I-beam, which overcomes the deficiencies of the prior art and aims to solve the problem that the relative movement between the upper and lower beams cannot be restricted during installation of the prior high-strength I-beam.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-strength I-beam, comprising: a first I-beam, a second I-beam, a connecting plate, a positioning block, a buffer and a limiting column, the connecting plate comprising: a first connecting part and a second connecting part, the positioning block is respectively arranged on the upper surfaces of the first connecting part and the second connecting part, a first positioning groove is arranged on the upper surface of the upper beam of the first I-beam, and a second positioning groove is arranged on the upper surface of the upper beam of the second I-beam, the first connecting part is matched and connected with the first positioning groove, and the second connecting part is matched and connected with the second positioning groove, the limiting column comprises: a first limiting column and a second limiting column, the first limiting column passes through the first I-beam and is threadedly connected to the first connecting part, the second limiting column passes through the second I-beam and is threadedly connected to the second connecting part, and the buffer wraps the positioning block and the limiting column.

[0006] During installation, the buffer is installed on the positioning block and the limiting column, and then the first I-beam is sleeved on the first connecting portion of the connecting plate, the first I-beam is moved so that the first positioning groove is matched and connected with the positioning block, the first limiting column passes through the first I-beam and is threadedly connected with the first connecting portion, the second I-beam is moved to the second connecting portion so that the second positioning groove is matched and connected with the positioning block, the second limiting column passes through the second I-beam and is threadedly connected with the second connecting portion, and the installation of the I-beam is completed.

[0007] As a preferred technical solution of the utility model, the first connecting part also includes a first connecting plate, a second connecting plate, a third connecting plate and a plurality of threaded holes, the first connecting plate and the second connecting plate are parallel to the upper beam of the first I-beam, the third connecting plate vertically passes through the first connecting plate and the second connecting plate, the threaded holes are arranged on the first connecting plate and the second connecting plate, and the diameter of the threaded holes is d.

[0008] As a preferred technical solution of the present invention, the upper and lower beams of the first I-beam are provided with a first connecting hole, the diameter of the first connecting hole is D1, the upper and lower beams of the second I-beam are provided with a second connecting hole, the diameter of the second connecting hole is D2, D1=D2.

[0009] As a preferred technical solution of the present utility model, the diameter size relationship between the first connecting hole and the threaded hole is D1>d.

[0010] As a preferred technical solution of the utility model, the first limiting column includes a connecting stud and a locking nut, a boss is provided at one end of the locking nut, the boss is a hollow stud, and the locking nut is threadedly connected to the connecting stud.

[0011] As a preferred technical solution of the utility model, the length of the boss is L1, the distance from the upper surface of the first I-beam to the bottom of the threaded hole is L2, and L1>L2.

[0012] As a preferred technical solution of the utility model, the buffer member includes a first buffer member and a second buffer member, the first buffer member has the same shape as the positioning block, and the second buffer member has the same shape as the boss.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model discloses to arrange the connecting plate and the limiting column so that the I-beam can be limited by the positioning block, thus avoiding the shaking of the I-beam during aerial lifting, which affects the installation progress, improves the stability and connection accuracy of the connection structure, avoids the processing of threaded holes on the I-beam, reduces the processing difficulty of the I-beam, and is conducive to improving the processing and installation speed and reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a left view of the utility model;

[0017] Figure 3 It is a cross-sectional view of the utility model;

[0018] Figure 4 This is a schematic diagram of the connecting plate structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the locking nut structure of the utility model;

[0020] In the figure: 1. first I-beam; 101. first positioning groove; 102. first connecting hole; 2. second I-beam; 201. second positioning groove; 202. second connecting hole; 3. connecting plate; 301. first connecting part; 302. second connecting part; 303. first connecting plate; 304. second connecting plate; 305. third connecting plate; 306. threaded hole; 4. positioning block; 5. buffer; 501. first buffer; 502. second buffer; 6. limiting column; 601. first limiting column; 602. second limiting column; 7. connecting stud; 8. locking nut; 801. boss. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-5The utility model provides the following technical solutions: a high-strength I-beam, comprising: a first I-beam 1, a second I-beam 2, a connecting plate 3, a positioning block 4, a buffer 5 and a limiting column 6, the connecting plate 3 comprising: a first connecting portion 301 and a second connecting portion 302, the positioning block 4 is respectively arranged on the upper surfaces of the first connecting portion 301 and the second connecting portion 302, a first positioning groove 101 is arranged on the upper surface of the upper beam of the first I-beam 1, and a second positioning groove 201 is arranged on the upper surface of the upper beam of the second I-beam 2, the first connecting portion 301 is matched and connected with the first positioning groove 101, and the second connecting portion 302 is matched and connected with the second positioning groove 201, the limiting column 6 comprises: a first limiting column 601 and a second limiting column 602, the first limiting column 601 passes through the first I-beam 1 and is threadedly connected to the first connecting portion 301, the second limiting column 602 passes through the second I-beam 2 and is threadedly connected to the second connecting portion 302, and the buffer 5 wraps the positioning block 4 and the limiting column 6.

[0023] During installation, the buffer member 5 is installed on the positioning block 4 and the limiting column 6, and then the first I-beam 1 is sleeved on the first connecting portion 301 of the connecting plate 3, and the first I-beam 1 is moved so that the first positioning groove 101 is matched and connected with the positioning block 4, and the first limiting column 601 passes through the first I-beam 1 and is threadedly connected with the first connecting portion 301, and the second I-beam 2 is moved to the second connecting portion 302 so that the second positioning groove 201 is matched and connected with the positioning block 4, and the second limiting column 602 passes through the second I-beam 2 and is threadedly connected with the second connecting portion 302, and the installation of the I-beam is completed.

[0024] The connection plate 3 is arranged in this way so that the first I-beam 1 and the second I-beam 2 can be limited by the positioning block 4, thereby avoiding the shaking of the I-beam during aerial lifting, which affects the installation progress. The limiting column 6 passes through the first I-beam 1 and the second I-beam 2 and is threadedly connected to the connection plate 3, which improves the stability and connection accuracy of the connection structure, avoids the processing of threaded holes in the I-beam, reduces the processing difficulty of the I-beam, and is conducive to improving the processing and installation speed and reducing production costs. The provision of the buffer 5 helps to absorb and buffer the vibration energy generated by the shaking of the first I-beam 1 and the second I-beam 2, reduces the impact force of the vibration on the limiting column 6, avoids damage to parts, and improves the stability and reliability of the device.

[0025] Specifically, the first connection part 301 further includes a first connection plate 303, a second connection plate 304, a third connection plate 305 and a plurality of threaded holes 306. The first connection plate 303 and the second connection plate 304 are parallel to the upper beam of the first I-beam 1, the third connection plate 305 vertically passes through the first connection plate 303 and the second connection plate 304, and the threaded holes 306 are arranged on the first connection plate 303 and the second connection plate 304, and the diameter of the threaded holes 306 is d. Such a connection plate 3 is simple in structure, easy to process, convenient to connect the I-beam 1 and the I-beam 2, which helps to reduce the difficulty of installation, shorten the installation time, and reduce the installation cost.

[0026] Specifically, the first connection portion 301 and the second connection portion 302 have the same structure, and are connected by two third connection plates 305 .

[0027] Specifically, the upper and lower beams of the first I-beam 1 are provided with first connection holes 102 with a diameter of D1, and the upper and lower beams of the second I-beam 2 are provided with second connection holes 202 with a diameter of D2, where D1=D2.

[0028] Specifically, the diameter size relationship between the first connection hole 102 and the threaded hole 306 is D1>d. The diameter relationship between the first connection hole 102 and the threaded hole 306 is set in this way, so that the threaded hole 306 can be seen through the first connection hole 102, which is convenient for adjusting the position relationship between the connection plate 3 and the first I-beam 1 and the second I-beam 2, which is helpful for the quick connection of the connection plate 3 and the first I-beam 1 and the second I-beam 2, and is convenient for the installation of the limit column 6, reducing the difficulty of component processing.

[0029] Specifically, the first limiting column 601 includes a connecting stud 7 and a locking nut 8, one end of the locking nut 8 is provided with a boss 801, the boss 801 is a hollow stud, and the locking nut 8 is threadedly connected to the connecting stud 7. In this way, the first limiting column 601 is arranged, and the locking nut 8 is pre-connected with one end of the connecting stud 7 before tightening, and the connecting stud 7 is more convenient to insert into the first connecting hole 102 and the threaded hole 306, which reduces the precision requirements of the parts, helps to improve the installation speed, reduces the difficulty of processing and installation of the device, shortens the installation time, and improves the processing efficiency.

[0030] Specifically, the first limiting column 601 and the second limiting column 602 have the same structure.

[0031] Specifically, the length of the boss 801 is L1, the distance from the upper surface of the first I-beam 1 to the bottom of the threaded hole 306 is L2, and L1>L2. The boss 801 is arranged in this way so that the locking nut 8 can connect the first I-beam 1 to the connecting plate 3, which expands the threaded connection area, enhances the bearing capacity of the connection structure, and helps to improve the stability and reliability of the device.

[0032] Specifically, the buffer 5 includes a first buffer 501 and a second buffer 502. The first buffer 501 has the same shape as the positioning block 4, and the second buffer 502 has the same shape as the boss 801. The buffer 5 is arranged in this way so that the positioning block 4 and the locking nut 8 are tightly connected, the assembly gap is reduced, the assembly accuracy is improved, and the stability and reliability of the connection structure are improved.

[0033] Specifically, the second buffer member 502 is sleeved on the locking nut 8 , and the second buffer member 502 is threadedly connected to the threaded hole 306 .

[0034] Working principle: During installation, install the buffer 5 on the positioning block 4 and the limiting column 6, then the first I-beam 1 is sleeved on the first connection part 301 of the connecting plate 3, move the first I-beam 1, so that the first positioning groove 101 is matched and connected with the positioning block 4, the first limiting column 601 passes through the first I-beam 1 and is threadedly connected with the first connection part 301, move the second I-beam 2 to the second connection part 302, so that the second positioning groove 201 is matched and connected with the positioning block 4, the second limiting column 602 passes through the second I-beam 2 and is threadedly connected with the second connection part 302, and the installation of the I-beam is completed.

[0035] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0036] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-strength I-beam, comprising: A first I-beam (1), a second I-beam (2), a connecting plate (3), a positioning block (4), a buffer (5) and a limiting column (6), characterized in that the connecting plate (3) comprises: a first connecting portion (301) and a second connecting portion (302), the positioning block (4) is respectively arranged on the upper surface of the first connecting portion (301) and the second connecting portion (302), a first positioning groove (101) is arranged on the upper surface of the upper beam of the first I-beam (1), a second positioning groove (201) is arranged on the upper surface of the upper beam of the second I-beam (2), and the first connecting portion (3 01) is connected to the first positioning groove (101), the second connecting part (302) is connected to the second positioning groove (201), the limiting column (6) includes: a first limiting column (601) and a second limiting column (602), the first limiting column (601) passes through the first I-beam (1) and is threadedly connected to the first connecting part (301), the second limiting column (602) passes through the second I-beam (2) and is threadedly connected to the second connecting part (302), and the buffer (5) wraps the positioning block (4) and the limiting column (6).

2. A high-strength I-beam according to claim 1, characterized in that: The first connecting portion (301) further comprises a first connecting plate (303), a second connecting plate (304), a third connecting plate (305) and a plurality of threaded holes (306); the first connecting plate (303) and the second connecting plate (304) are parallel to the upper beam of the first I-beam (1); the third connecting plate (305) vertically passes through the first connecting plate (303) and the second connecting plate (304); the threaded holes (306) are arranged on the first connecting plate (303) and the second connecting plate (304); and the diameter of the threaded holes (306) is d.

3. A high-strength I-beam according to claim 2, characterized in that: The upper and lower beams of the first I-beam (1) are provided with a first connection hole (102), the diameter of the first connection hole (102) is D1, and the upper and lower beams of the second I-beam (2) are provided with a second connection hole (202), the diameter of the second connection hole (202) is D2, and D1=D2.

4. A high-strength I-beam according to claim 3, characterized in that: The diameter relationship between the first connecting hole (102) and the threaded hole (306) is D1>d.

5. The high-strength I-beam according to claim 4, characterized in that: The first limiting column (601) comprises a connecting stud (7) and a locking nut (8), one end of the locking nut (8) is provided with a boss (801), the boss (801) is a hollow stud, and the locking nut (8) is threadedly connected to the connecting stud (7).

6. A high-strength I-beam according to claim 5, characterized in that: The length of the boss (801) is L1, and the distance from the upper surface of the first I-beam (1) to the bottom of the threaded hole (306) is L2, and L1>L2.

7. The high-strength I-beam according to claim 5, characterized in that: The buffer member (5) comprises a first buffer member (501) and a second buffer member (502); the first buffer member (501) has the same outer shape as the positioning block (4); and the second buffer member (502) has the same outer shape as the boss (801).

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