Easy-to-disassemble joist steel additional expansion connecting piece

Abstract

The utility model relates to an easily detachable joist steel additional expansion connecting piece, the joist steel is provided with two flange plates arranged in parallel and a connecting plate connected between two vertical plates, the expansion connecting piece comprises a fixed plate, expansion connecting plates are detachably arranged at the two ends of the fixed plate; the clamping plate is fixedly arranged on the side part of the fixed plate; the length of the adjusting rod is adjustable; the adjusting rod is arranged on the side part of the clamping plate; the clamping plate is fixed to the end, away from the clamping plate, of the adjusting rod, the limiting plate is fixed to the end, away from the clamping plate, of the adjusting rod, the clamping plate and the limiting plate abut against the two opposite sides of the two flange plates correspondingly by adjusting the length of the adjusting rod, the structure is simple, and use is convenient.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, and specifically refers to an easily detachable I-beam additional extension connector. Background Technology

[0002] In the current era, factories and various new buildings extensively utilize steel structures, including numerous I-beams. During on-site construction, many temporary facilities, such as tower cranes, construction hoists, and concrete pumps, need to be connected to these steel structural components as wall attachments, column attachments, or beam attachments. On-site, this is often achieved by directly welding these components to the steel structures, or indirectly by welding them to the steel structures using connecting plates. This damages the steel structures, requiring subsequent cutting, grinding, and rework, posing safety and quality risks, and increasing labor costs later on. Summary of the Invention

[0003] The purpose of this utility model is to overcome the defects of the prior art and provide an easily detachable I-beam additional extension connector. By setting a fixing plate on the I-beam and setting an extension connector on the fixing plate, subsequent construction can be facilitated.

[0004] The technical solution to achieve the above objective is an easily detachable I-beam additional extension connector. The I-beam has two parallel flanges and a connecting plate connecting the two vertical flanges. The extension connector includes:

[0005] A fixing plate, wherein both ends of the fixing plate are detachably provided with extension connecting plates;

[0006] A locking plate fixedly disposed on the side of the fixing plate;

[0007] An adjustable rod of adjustable length is provided on the side of the locking plate; and

[0008] A limiting plate is fixed to one end of the adjustment rod away from the locking plate. By adjusting the length of the adjustment rod, the locking plate and the limiting plate are respectively abutted against the opposite sides of the two flange plates.

[0009] Furthermore, a first positioning plate is provided on the side of the fixing plate. The first positioning plate is provided on the same side as the locking plate. The first positioning plate is located on the side of the locking plate away from the adjusting rod. The distance between the first positioning plate and the locking plate is adapted to the thickness of the flange plate.

[0010] Furthermore, a second positioning plate is provided on the side of the fixing plate. The second positioning plate is provided on the same side as the locking plate. The second positioning plate is located on the side of the locking plate away from the first positioning plate. The distance between the first positioning plate and the second positioning plate is adapted to the distance between the two flange plates.

[0011] Furthermore, a third positioning plate is provided on the side of the fixing plate. The third positioning plate is provided on the same side as the locking plate. The third positioning plate is located on the side of the first positioning plate away from the locking plate. The distance between the first positioning plate and the third positioning plate is adapted to the thickness of the second positioning plate. By locking the third positioning plate of the other fixing plate between the first positioning plate and the second positioning plate, the two fixing plates enclose the I-beam.

[0012] Furthermore, the first positioning plate has a plurality of threaded through holes, and the second positioning plate has a threaded fixing hole corresponding to the threaded through holes. The second positioning plate of the other fixing plate is clamped between the first positioning plate and the third positioning plate, and is connected to the threaded fixing hole and the threaded through hole by bolt thread to fix the first positioning plate and the second positioning plate of the other fixing plate.

[0013] Furthermore, the third positioning plate has a connecting hole at the position corresponding to the threaded through hole.

[0014] Furthermore, the adjusting rod includes: a first threaded rod fixedly disposed on the side of the locking plate near the limiting plate;

[0015] A double-threaded sleeve threaded to the end of the first threaded rod away from the locking plate; and

[0016] A second threaded rod is threadedly connected to the end of the double-threaded sleeve away from the first threaded rod, and the limiting plate is fixedly connected to the end of the second threaded rod away from the double-threaded sleeve.

[0017] Furthermore, the fixed plate has positioning grooves at both ends, and the expansion connecting plate is engaged in the positioning grooves.

[0018] Furthermore, the positioning groove is provided with bolt mounting holes, and the expansion connecting plate is provided with threaded connection holes corresponding to the bolt mounting holes. The fixing plate and the expansion connecting plate are fixed by threading the bolts into the bolt mounting holes and the threaded connection holes.

[0019] Furthermore, the length of the extension connecting plate is determined according to the on-site construction requirements.

[0020] Compared with the prior art, this utility model has the following advantages:

[0021] A fixing plate is installed on the I-beam, and an extension connecting plate is installed on the fixing plate to facilitate subsequent construction. Attached Figure Description

[0022] Figure 1A schematic diagram of a detachable I-beam with an additional extension connector;

[0023] Figure 2 This is an installation illustration of an easily detachable I-beam with an additional extension connector.

[0024] Figure 3 An illustration showing the effect of using an easily detachable I-beam with an additional extension connector.

[0025] Legend: 1. Fixed plate; 2. Second threaded rod; 3. First threaded rod; 4. Double threaded sleeve; 5. Limiting plate; 6. Second positioning plate; 7. Locking plate; 8. First positioning plate; 9. Third positioning plate; 10. I-beam; 11. Extension connecting plate. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0027] See Figure 1 An easily detachable I-beam additional extension connector is disclosed. The I-beam 10 has two parallel flanges and a connecting plate connecting the two vertical plates. The extension connector includes: a fixing plate 1, with extension connecting plates 11 detachably disposed at both ends of the fixing plate 1; a locking plate 7 fixedly disposed on the side of the fixing plate 1; an adjusting rod with adjustable length disposed on the side of the locking plate 7; and a limiting plate 5 fixedly disposed at the end of the adjusting rod away from the locking plate 7. By adjusting the length of the adjusting rod, the locking plate 7 and the limiting plate 5 are respectively abutted against the opposite sides of the two flanges.

[0028] In this utility model, a preferred embodiment is as follows: the locking plate 7 and the limiting plate 5 are placed on the two flange plates, and the length of the adjusting rod is adjusted so that the locking plate 7 and the limiting plate 5 abut against the opposite sides of the two flange plates, thereby fixing the fixing plate 1. The construction personnel can set the extension connecting plate 11 on the fixing plate 1 and carry out subsequent construction operations through the extension connecting plate 11.

[0029] Furthermore, a first positioning plate 8 is provided on the side of the fixing plate 1. The first positioning plate 8 is located on the same side as the locking plate 7, and is positioned on the side of the locking plate 7 away from the adjusting rod. The distance between the first positioning plate 8 and the locking plate 7 is adapted to the thickness of the flange plate. During installation, one flange plate of the I-beam 10 can be placed between the locking plate 7 and the first positioning plate 8 to lock the flange plate, thereby reducing the shaking of the I-beam 10 during construction and use.

[0030] Furthermore, a second positioning plate 6 is provided on the side of the fixing plate 1. The second positioning plate 6 is provided on the same side as the locking plate 7. The second positioning plate 6 is located on the side of the locking plate 7 away from the first positioning plate 8. The distance between the first positioning plate 8 and the second positioning plate 6 is adapted to the distance between the two flange plates.

[0031] Furthermore, the distance between the two flanges is slightly smaller than the distance between the first positioning plate 8 and the second positioning plate 6.

[0032] Furthermore, a third positioning plate 9 is provided on the side of the fixing plate 1. The third positioning plate 9 is located on the same side as the locking plate 7 and is positioned on the side of the first positioning plate 8 away from the locking plate 7. The distance between the first positioning plate 8 and the third positioning plate 9 is adapted to the thickness of the second positioning plate 6. By locking the third positioning plate 9 of the other fixing plate 1 between the first positioning plate 8 and the second positioning plate 6, the two fixing plates 1 enclose the I-beam 10. During installation, the second positioning plate 6 is locked between the first positioning plate 8 and the third positioning plate 9, thereby completing the combination of the two extension connectors.

[0033] Furthermore, the first positioning plate 8 has a plurality of threaded through holes, and the second positioning plate 6 has a threaded fixing hole corresponding to the threaded through holes. The second positioning plate 6 of the other fixing plate 1 is clamped between the first positioning plate 8 and the third positioning plate 9, and is connected to the threaded fixing hole and the threaded through hole by bolt thread to fix the first positioning plate 8 and the second positioning plate 6 of the other fixing plate 1.

[0034] Furthermore, the third positioning plate 9 has a connecting hole formed at the position corresponding to the threaded through hole.

[0035] Furthermore, the adjusting rod includes a first threaded rod 3 fixedly disposed on the side of the locking plate 7 near the limiting plate 5;

[0036] A double-threaded sleeve 4 is threadedly connected to the end of the first threaded rod 3 away from the locking plate 7; and

[0037] A second threaded rod 2 is threadedly connected to the end of the double-threaded sleeve 4 away from the first threaded rod 3. The end of the second threaded rod 2 away from the double-threaded sleeve 4 is fixedly connected to the limiting plate 5. The distance between the locking plate 7 and the limiting plate 5 can be adjusted by screwing the double-threaded sleeve 4 to adjust the first threaded rod 3 and the second threaded rod 2.

[0038] Furthermore, the fixed plate 1 has positioning grooves at both ends, and the expansion connecting plate 11 is engaged in the positioning grooves.

[0039] Furthermore, the positioning groove is provided with bolt mounting holes, and the expansion connecting plate 11 is provided with threaded connection holes corresponding to the bolt mounting holes. The fixing plate 1 and the expansion connecting plate 11 are fixed by threading the bolts into the bolt mounting holes and the threaded connection holes.

[0040] Furthermore, the length of the extension connecting plate 11 is determined according to the on-site construction requirements.

[0041] The following describes the usage process of the easily detachable I-beam additional extension connector of this utility model.

[0042] Place the locking plate 7 and the limiting plate 5 on the two flange plates, and adjust the length of the adjusting rod so that the locking plate 7 and the limiting plate 5 abut against the opposite sides of the two flange plates, thereby fixing the fixing plate 1. The construction personnel can set the extension connecting plate 11 on the fixing plate 1 and carry out subsequent construction operations through the extension connecting plate 11.

[0043] The present invention has been described in detail above with reference to the accompanying drawings and embodiments. Those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details in the embodiments should not be construed as limiting the present invention, and the scope of protection of the present invention shall be defined by the appended claims.

Claims

1. A detachable I-beam additional extension connector, wherein the I-beam has two parallel flanges and a connecting plate connecting the two vertical flanges, characterized in that... The extended connector includes: A fixing plate, wherein both ends of the fixing plate are detachably provided with extension connecting plates; A locking plate fixedly disposed on the side of the fixing plate; An adjustable rod of adjustable length is provided on the side of the locking plate; and A limiting plate is fixed to one end of the adjustment rod away from the locking plate. By adjusting the length of the adjustment rod, the locking plate and the limiting plate are respectively abutted against the opposite sides of the two flange plates.

2. The detachable I-beam extension connector according to claim 1, characterized in that: A first positioning plate is provided on the side of the fixing plate. The first positioning plate is provided on the same side as the locking plate. The first positioning plate is located on the side of the locking plate away from the adjusting rod. The distance between the first positioning plate and the locking plate is adapted to the thickness of the flange plate.

3. A detachable I-beam extension connector according to claim 2, characterized in that: A second positioning plate is provided on the side of the fixing plate. The second positioning plate is provided on the same side as the locking plate. The second positioning plate is located on the side of the locking plate away from the first positioning plate. The distance between the first positioning plate and the second positioning plate is adapted to the distance between the two flange plates.

4. The detachable I-beam extension connector of claim 3, wherein: A third positioning plate is provided on the side of the fixing plate. The third positioning plate is provided on the same side as the locking plate. The third positioning plate is located on the side of the first positioning plate away from the locking plate. The distance between the first positioning plate and the third positioning plate is adapted to the thickness of the second positioning plate. By locking the third positioning plate of the other fixing plate between the first positioning plate and the second positioning plate, the two fixing plates enclose the I-beam.

5. A detachable I-beam extension connector according to claim 4, characterized in that: The first positioning plate has a plurality of threaded through holes, and the second positioning plate has a threaded fixing hole corresponding to the threaded through holes. The second positioning plate of the other fixing plate is clamped between the first positioning plate and the third positioning plate, and is connected to the threaded fixing hole and the threaded through hole by bolt thread to fix the first positioning plate and the second positioning plate of the other fixing plate.

6. A detachable I-beam extension attachment according to claim 5, characterized in that: The third positioning plate has a connecting hole at the position corresponding to the threaded through hole.

7. The detachable I-beam extension connector of claim 1, wherein, The adjusting rod includes: a first threaded rod fixedly disposed on the side of the locking plate near the limiting plate; A double-threaded sleeve threaded to the end of the first threaded rod away from the locking plate; and A second threaded rod is threadedly connected to the end of the double-threaded sleeve away from the first threaded rod, and the limiting plate is fixedly connected to the end of the second threaded rod away from the double-threaded sleeve.

8. The detachable I-beam extension attachment of claim 1, wherein: The fixed plate has positioning grooves at both ends, and the expansion connecting plate is engaged in the positioning grooves.

9. A detachable I-beam extension attachment according to claim 8, characterized in that: The positioning groove is provided with bolt mounting holes, and the expansion connecting plate is provided with threaded connection holes corresponding to the bolt mounting holes. The fixing plate and the expansion connecting plate are fixed by threading the bolts into the bolt mounting holes and the threaded connection holes.

10. The easily detachable I-beam additional expansion connector according to claim 1, characterized in that: The length of the extension connecting plate is determined according to the on-site construction requirements.

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