Recyclable steel structure lifting lug

Abstract

The steel structure lifting lug capable of being recycled comprises a base, a fixing base is fixedly arranged at the top of the base, a cavity is formed in the fixing base, a through groove is formed in the top of the fixing base, a connecting base is arranged in the cavity, and a lifting lug piece is arranged at the top of the connecting base; a fixing mechanism for fixing the fixing seat and the connecting seat is arranged on the fixing seat and the connecting seat, and the fixing mechanism comprises two threaded rods which are in threaded connection with the front surface and the back surface of the fixing seat respectively; the limiting block is connected to the inner side of the fixed seat in a penetrating manner, and the limiting block is rotationally connected to one end, extending into the fixed seat, of the threaded rod; the knob is fixedly arranged at the outer end of the threaded rod; the two limiting grooves are formed in the front face and the back face of the connecting base, the limiting blocks are clamped with the limiting grooves in the connecting base through rotation of the threaded rod, the connecting base and the fixing base are installed together, the lifting lug piece can also be detached from the base, the utilization rate of steel is increased, and cost is reduced.

Description

Technical Field

[0001] The present application relates to the field of lifting lugs, and in particular to a recyclable steel structure lifting lug. Background Art

[0002] The lifting lug is a load-bearing component installed on the equipment for lifting. It is an indispensable part of equipment lifting. Its correct design, calculation, installation, use and maintenance are important factors to ensure lifting safety. During lifting operations, relevant regulations should be strictly observed to ensure the safe use of the lifting lug to ensure the dual safety of equipment and personnel.

[0003] However, in the process of implementing relevant technical solutions, at least the following technical problems were found: Regarding the installation of steel structure lifting ears during the current on-site construction and production process, the lifting ears are generally welded to the steel box girder surface. After the steel box girder is installed, the steel lifting ears are cut off. During the cutting process, the lifting ears will be damaged and cannot be reused, resulting in steel loss. Utility Model Content

[0004] The present application solves the problem that the lifting ears in the prior art cannot be reused by providing a recyclable steel structure lifting ear, and achieves the effect of detachable installation of the lifting ear.

[0005] The present application provides a recyclable steel structure lifting ear, comprising a base, a fixing seat fixedly arranged on the top of the base, a cavity opened inside the fixing seat, a through groove opened on the top of the fixing seat, a connecting seat arranged inside the cavity, a lifting ear piece arranged on the top of the connecting seat, and a fixing mechanism for fixing the fixing seat and the connecting seat is arranged on the fixing seat and the connecting seat, and the fixing mechanism comprises: two threaded rods, which are respectively threadedly connected to the front and back sides of the fixing seat; a limit block, which is interlaced and connected to the inner side of the fixing seat, and the limit block is rotatably connected to one end of the threaded rod extending into the interior of the fixing seat; a knob, which is fixedly arranged on the outer end of the threaded rod; two limit grooves, which are opened on the front and back sides of the connecting seat, and the limit grooves match the size of the limit blocks.

[0006] Furthermore, connecting grooves are provided on both sides of the connecting seat, and a movable block is slidably connected inside the connecting groove. The top of the movable block is in contact with the inner wall of the top of the cavity, and a first spring is provided inside the connecting groove, and the first spring is provided between the movable block and the inner wall of the connecting groove.

[0007] Furthermore, movable grooves are provided on both sides of the inner wall of the cavity, and movable rods are slidably connected inside the movable grooves, and the movable rods are in contact with the movable blocks.

[0008] Furthermore, a through hole is provided on one side of the movable groove, and a fixing block is fixedly provided on one side of the movable rod, and the fixing block matches the size of the through hole.

[0009] Furthermore, clamping assemblies are fixedly arranged on both sides of the bottom of the cavity, and the two clamping assemblies include: a fixed column, fixedly arranged on the side of the bottom of the cavity; a slide groove, opened at the top of the fixed column; a connecting column, slidably connected to the inside of the slide groove, and the top of the connecting column is in contact with the movable block; a second spring, arranged in the inside of the slide groove, and the two ends of the second spring are respectively fixedly connected to the connecting column and the inner wall of the limit block.

[0010] The technical solution provided by this application has at least the following technical effects or advantages:

[0011] The threaded rod is rotated so that the limit block engages with the limit groove on the connecting seat, so that the connecting seat and the fixed seat are installed together, the elastic force of the first spring allows the movable block to extend into the cavity, and the elastic force of the second spring presses the movable block, thereby improving the stability of the lifting ear piece on the fixed seat, so that the lifting ear piece can be stably installed on the base and the steel beam surface, and the lifting ear piece can also be removed from the base, thereby improving the utilization rate of steel and reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of the lifting ear in the embodiment of the present application;

[0013] Figure 2 This is a schematic diagram of the structure of the fixing mechanism in the embodiment of the present application;

[0014] Figure 3 This is a schematic diagram of the cross-sectional structure of the fixing seat in the embodiment of the present application;

[0015] In the figure: 10, base; 20, fixed seat; 30, cavity; 40, through groove; 50, connecting seat; 60, ear piece; 70, fixing mechanism; 80, movable groove; 90, through hole; 71, threaded rod; 72, limit block; 73, knob; 74, limit groove; 75, clamping assembly; 76, movable block; 77, first spring; 78, movable rod; 79, fixed block; 751, fixed column; 752, slide groove; 753, connecting column; 754, second spring. DETAILED DESCRIPTION

[0016] The embodiment of the present application discloses a reusable steel structure lifting ear, which drives the limit block 72 to engage into the limit groove 74 through the threaded rod 71, so that the connecting seat 50 and the lifting ear member 60 are fixed on the fixed seat 20. The elastic force of the second spring 754 enables the connecting column 753 to press the movable block 76 to the top of the cavity 30, so that the connecting seat 50 is fixed more firmly.

[0017] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Please refer to Figure 1 , Figure 2 and Figure 3 The present embodiment provides a recyclable steel structure lifting ear, including a base 10, a fixed seat 20 is fixedly arranged on the top of the base 10, a cavity 30 is opened inside the fixed seat 20, a through groove 40 is opened on the top of the fixed seat 20, a connecting seat 50 is arranged inside the cavity 30, a lifting ear piece 60 is arranged on the top of the connecting seat 50, the through groove 40 matches the size of the connecting seat 50, and a fixing mechanism 70 for fixing the fixed seat 20 and the connecting seat 50 is arranged on the fixed seat 20 and the connecting seat 50, and the fixing mechanism 70 includes a threaded rod 71, a limit block 72, a knob 73, a limit groove 74, a clamping assembly 75, a movable block 76, a first spring 77, a movable rod 78, and a fixed block 79, and the two threaded rods 71 ​​are respectively threadedly connected to the fixed seat 20 The front and back sides of the connecting seat 50 are connected with the inner side of the fixing seat 20, and the limiting block 72 is rotatably connected to the end of the threaded rod 71 extending into the fixing seat 20, and the limiting block 72 is limited by the inner wall of the cavity 30 so that the limiting block 72 will not rotate with the threaded rod 71, and the knob 73 is fixedly arranged at the outer end of the threaded rod 71, and two limiting grooves 74 are opened on the front and back sides of the connecting seat 50, and the limiting grooves 74 match the size of the limiting block 72. By inserting the connecting seat 50 into the through groove 40 on the fixing seat 20, the rotation of the threaded rod 71 can drive the limiting block 72 to extend into the inside of the limiting groove 74, fix the fixing seat 20 and the connecting seat 50, so that the ear piece 60 can be installed on the base 10, and then installed on the steel beam surface.

[0019] Please refer to Figure 1-Figure 3, both sides of the connecting seat 50 are provided with connecting grooves, the movable block 76 is slidably connected to the inside of the connecting groove, the top of the movable block 76 is in contact with the inner wall of the top of the cavity 30, a first spring 77 is provided inside the connecting groove, the first spring 77 is arranged between the movable block 76 and the inner wall of the connecting groove, both sides of the inner wall of the cavity 30 are provided with movable grooves 80, the movable rod 78 is slidably connected to the inside of the movable groove 80, the movable rod 78 is in contact with the movable block 76, a through hole 90 is provided on one side of the movable groove 80, a fixed block 79 is arranged on the side of the movable rod 78 away from the connecting seat 50, and the size of the fixed block 79 matches the through hole 90, through the first spring inside the connecting groove The elastic force of spring 77 allows the movable block 76 to extend out of the connecting groove, so that the movable block 76 presses against the movable rod 78 and the fixed block 79, so that the fixed block 79 can extend to the through hole 90, so that the user can determine whether the movable block 76 is extended by the position of the fixed block 79, thereby determining whether the connecting seat 50 is fixed and stable. By pressing the fixed block 79 inward, the fixed block 79 and the movable rod 78 can drive the movable block 76 to retract into the connecting groove, and then the limit block 72 is moved out of the limit groove 74, thereby releasing the fixation between the connecting seat 50 and the fixed seat 20, and the ear piece 60 can be disassembled and reused, thereby improving the utilization rate of steel and reducing costs.

[0020] Please refer to Figure 1-Figure 3 The two clamping assemblies 75 are arranged on both sides of the bottom of the cavity 30. The two clamping assemblies 75 include a fixed column 751, a slide groove 752, a connecting column 753, and a second spring 754. The fixed column 751 is fixedly arranged on the side of the bottom of the cavity 30. The slide groove 752 is opened at the top of the fixed column 751. The connecting column 753 is slidably connected to the inside of the slide groove 752, and the top of the connecting column 753 is in contact with the movable block 76. The top of the connecting column 753 and the bottom of one end of the movable block 76 are both arc-shaped. The second spring The spring 754 is arranged inside the slide groove 752, and the two ends of the second spring 754 are fixedly connected to the connecting column 753 and the inner wall of the limit block 72 respectively. The elastic force of the first spring 77 makes the movable block 76 press against the connecting column 753, so that the connecting column 753 moves downward, so that the second spring 754 is compressed. The elastic force of the second spring 754 makes the connecting column 753 press the movable block 76 upward, thereby fixing the movable block 76, so that the connecting seat 50 is fixed more stably inside the cavity 30.

[0021] This application can explain its functional principle through the following operation methods:

[0022] When the locking cam 752 is in the unlocking state, the locking cam 753 is in the unlocking state, and the locking cam 754 is in the unlocking state, so that the user can lock the locking cam 752 in the unlocking state, and the user can lock the locking cam 753 by the locking cam 754, so that the user can lock the locking cam 753 in the unlocking state. The locking cam 72 is engaged with the locking cam 74 and the retaining cam 76 is engaged with the locking cam 74, thereby locking the locking cam 72 in the locking cam 74 and the retaining cam 76 together.

[0023] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

[0024] What has been described above is only a preferred specific implementation manner of the embodiments of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes according to the technical scheme and concept of the present application within the technical scope disclosed in the present application, which should be covered by the protection scope of the present application.

Claims

1. A recyclable steel structure lifting lug, comprising a base (10), characterized in that: A fixing seat (20) is fixedly arranged on the top of the base (10), a cavity (30) is provided inside the fixing seat (20), a through slot (40) is provided on the top of the fixing seat (20), a connecting seat (50) is arranged inside the cavity (30), a hanging ear piece (60) is arranged on the top of the connecting seat (50), and a fixing mechanism (70) for fixing the fixing seat (20) and the connecting seat (50) is arranged on the fixing seat (20) and the connecting seat (50), and the fixing mechanism (70) comprises: Two threaded rods (71) are respectively threadedly connected to the front and back sides of the fixing seat (20); A limit block (72) is inserted and connected with the inner side of the fixing seat (20), and the limit block (72) is rotatably connected to one end of the threaded rod (71) extending into the interior of the fixing seat (20); A knob (73) fixedly disposed on the outer end of the threaded rod (71); Two limiting grooves (74) are provided on the front and back sides of the connecting seat (50), and the limiting grooves (74) match the size of the limiting block (72).

2. A recyclable steel structure lifting lug as claimed in claim 1, characterized in that: Both sides of the connecting seat (50) are provided with connecting grooves, and a movable block (76) is slidably connected inside the connecting groove. The top of the movable block (76) is in contact with the inner wall of the top of the cavity (30). A first spring (77) is arranged inside the connecting groove, and the first spring (77) is arranged between the movable block (76) and the inner wall of the connecting groove.

3. The recyclable steel structure lifting lug according to claim 2, characterized in that: Both sides of the inner wall of the cavity (30) are provided with movable grooves (80), the interior of the movable groove (80) is slidably connected with a movable rod (78), and the movable rod (78) is in contact with the movable block (76).

4. The recyclable steel structure lifting lug according to claim 3, characterized in that: A through hole (90) is provided on one side of the movable groove (80), and a fixing block (79) is fixedly provided on one side of the movable rod (78), wherein the size of the fixing block (79) matches that of the through hole (90).

5. The recyclable steel structure lifting lug according to claim 2, characterized in that: A clamping assembly (75) is fixedly arranged on both sides of the bottom of the cavity (30), and the two clamping assemblies (75) include: A fixed column (751) fixedly arranged on a side of the bottom of the cavity (30); A slide groove (752) is provided on the top of the fixing column (751); A connecting column (753) is slidably connected to the inside of the slide groove (752), and the top of the connecting column (753) is in contact with and connected to the movable block (76); The second spring (754) is arranged inside the slide groove (752), and the two ends of the second spring (754) are respectively fixedly connected to the connecting column (753) and the inner wall of the limiting block (72).

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