Lifting lug for lifting H-shaped steel beam

Abstract

The utility model provides an H-shaped steel beam hoisting lifting lug which comprises a left lifting lug and a right lifting lug, the left lifting lug and the right lifting lug are provided with U-shaped clamping grooves used for clamping the width direction of an H-shaped steel beam, an installation frame is connected above the left lifting lug and the right lifting lug, a clamping device is arranged between the lifting lugs and the installation frame, a power source is arranged on the clamping device, and the power source is connected with the left lifting lug and the right lifting lug. The power source is used for driving the left lifting lug and the right lifting lug to clamp the H-shaped steel beam, the clamping devices are arranged on the left lifting lug and the right lifting lug, the distance measuring sensors are ingeniously integrated in the clamping devices, and high-degree automatic operation is achieved. When the distance between the clamping device and the H-shaped steel beam reaches a preset threshold value, the system can immediately start an automatic control mechanism, and the clamping device can accurately, rapidly and firmly clamp the H-shaped steel beam. By means of the innovative design, the efficiency of hoisting operation is greatly improved, and a solid foundation is laid for the follow-up automatic process.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure construction, in particular to an H-shaped steel beam hoisting lug. Background Art

[0002] Steel structures have become the preferred building material for projects such as large factories, stadiums and super high-rise buildings due to their excellent properties, such as light weight, excellent strength, uniform material and extremely high safety and reliability, as well as their easy industrial production and rapid construction.

[0003] However, the current H-beam hoisting operation still generally relies on manual operation, which is not only inefficient but also poses a potential threat to construction safety. Therefore, in order to improve construction efficiency, reduce labor costs and ensure the safety and reliability of the operation process, it is imperative to introduce advanced automated hoisting equipment. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an H-shaped steel beam hoisting lug to solve the problem of automatic clamping of the H-shaped steel beam.

[0005] In order to solve the above technical problems, the utility model provides an H-beam lifting eye, including a left lifting eye and a right lifting eye, the left lifting eye and the right lifting eye have a U-shaped groove in the width direction of the H-beam, a mounting frame is connected above the left lifting eye and the right lifting eye, a clamping device is provided between the lifting eye and the mounting frame, the clamping device includes a first moving block and a second moving block, the left lifting eye is connected to the first moving block, the right lifting eye is connected to the second moving block, a power source connected to the mounting frame is provided on the first moving block or the second moving block, the power source is used to drive the first moving block and the second moving block to approach, thereby driving the left lifting eye and the right lifting eye to clamp the H-beam.

[0006] In a preferred embodiment, the clamping device includes a first guide rail and a second guide rail with at least the same direction, the first movable block is arranged on the first guide rail, the second movable block is arranged on the second guide rail, a rotating shaft installed on the mounting frame is provided between the first movable block and the second movable block, a rotating plate is provided on the rotating shaft, and the two ends of the rotating plate are rotatably connected to the first pull rod and the second pull rod.

[0007] In the preferred solution, a first rotating hole is provided at the center of the first moving block, a second rotating hole is provided at the center of the second moving block, a first connecting hole and a second connecting hole are symmetrically provided on both sides of the rotating plate with the rotating axis as the center, and joint bearings are connected at both ends of the first pull rod and the second pull rod.

[0008] In a preferred solution, a distance sensor is provided on the clamping device, and the distance sensor is used to detect the distance from the lifting eye to the H-shaped steel beam.

[0009] In a preferred solution, a proximity sensor is further provided above the U-shaped slot, and the proximity sensor is used to detect whether there is an H-shaped steel beam in the U-shaped slot during clamping.

[0010] In a preferred solution, a first beam, a second beam and a mounting plate are provided on the mounting frame, the power source is mounted on the first beam, the first guide rail and the second guide rail are mounted on the second beam, and the rotating shaft is mounted on the mounting plate.

[0011] In a preferred solution, a mounting hole is provided on the mounting plate, a bearing seat is provided in the mounting hole, and the rotating shaft is sleeved on the bearing seat.

[0012] In a preferred solution, a sliding block is further provided between the first guide rail, the second guide rail and the first moving block, the second moving block.

[0013] The beneficial effect of the utility model is that by equipping the left and right lifting ears with clamping devices and ingeniously integrating distance measuring sensors into these clamping devices, the utility model realizes highly automated operation. When the distance between the clamping device and the H-shaped steel beam reaches a preset threshold, the system immediately activates the automatic control mechanism to accurately and quickly enable the clamping device to firmly clamp the H-shaped steel beam. This innovative design not only greatly improves the efficiency of the lifting operation, but also lays a solid foundation for the subsequent automated process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 It is a side view structural diagram of an embodiment of the utility model;

[0016] Figure 2 This is a top view of the structure of an embodiment of the utility model;

[0017] Figure 3 This is a bottom-up axial structural diagram of the clamping device of the embodiment of the utility model when the lifting lug is hidden;

[0018] Figure 4 This is an axial structural diagram of the clamping device of the utility model embodiment;

[0019] Figure 5 It is a sectional view of the rotating shaft portion of an embodiment of the utility model.

[0020] Figure markings: left lifting ear 1; U-shaped slot 11; right lifting ear 2; mounting frame 3; first crossbeam 31; second crossbeam 32; mounting plate 33; bearing seat 34; clamping device 4; first moving block 41; first rotating hole 411; second moving block 42; second rotating hole 421; first guide rail 43; second guide rail 44; rotating shaft 45; rotating plate 46; first connecting hole 461; second connecting hole 462; first pull rod 47; second pull rod 48; spherical bearing 49; power source 5; distance sensor 51; proximity sensor 52; slider 53; H-shaped steel beam 6. DETAILED DESCRIPTION

[0021] See also Figure 1-5 As shown, an embodiment of the present application provides a technical solution: it includes a left lifting ear 1 and a right lifting ear 2, the left lifting ear 1 and the right lifting ear 2 have a U-shaped groove 11 in the width direction for clamping the H-shaped steel beam 6, a mounting frame 3 is connected above the left lifting ear 1 and the right lifting ear 2, a clamping device 4 is provided between the lifting ear and the mounting frame 3, the clamping device 4 includes a first moving block 41 and a second moving block 42, the left lifting ear 1 is connected to the first moving block 41, the right lifting ear 2 is connected to the second moving block 42, and a power source 5 connected to the mounting frame 3 is provided on the first moving block 41 or the second moving block 42, the power source 5 is used to drive the first moving block 41 and the second moving block 42 to approach, thereby driving the left lifting ear 1 and the right lifting ear 2 to clamp the H-shaped steel beam 6.

[0022] The H-shaped steel beam is a conventional standard product. The upper and lower widths of the U-shaped slot 11 are greater than the upper thickness of the H-shaped steel beam 6, so that the U-shaped slot 11 can be inserted into the H-shaped steel beam 6.

[0023] The mounting frame 3 is used to connect a lifting device, such as an industrial robot. A lifting ring is provided on the mounting frame, and the lifting ring can also be connected to a lifting rope.

[0024] The power source may be a cylinder, the extension rod of the cylinder is connected to the first moving block 41 or the second moving block 42, and a joint is provided between the extension rod of the cylinder and the first moving block 41. In this embodiment, two power sources are provided, so that the force of the left lifting eye 1 and the right lifting eye 2 can be evenly applied.

[0025] The first moving block 41 and the second moving block 42 have the same design structure.

[0026] In a preferred embodiment, the clamping device 4 includes a first guide rail 43 and a second guide rail 44 which are at least in the same direction, the first movable block 41 is arranged on the first guide rail 43, the second movable block 42 is arranged on the second guide rail 44, and a rotating shaft 45 installed on the mounting frame 3 is provided between the first movable block 41 and the second movable block 42, and a rotating plate 46 is provided on the rotating shaft 45, and the two ends of the rotating plate 46 are rotatably connected to the first pull rod 47 and the second pull rod 48.

[0027] In this embodiment, two first guide rails 43 and two second guide rails 44 are provided in order to increase the stability of the structure.

[0028] In the preferred embodiment, a first rotating hole 411 is provided at the center of the first movable block 41, a second rotating hole 421 is provided at the center of the second movable block 42, a first connecting hole 461 and a second connecting hole 462 are symmetrically provided on both sides of the rotating plate 46 with the rotating axis 45 as the center, and joint bearings 49 are connected at both ends of the first pull rod 47 and the second pull rod 48.

[0029] The lengths of the first pull rod 47 and the second pull rod 48 can also be kept consistent, so that the clamping device has a centering clamping function.

[0030] In a preferred solution, a distance sensor 51 is provided on the clamping device 4 , and the distance sensor 51 is used to detect the distance from the lifting eye to the H-shaped steel beam 6 .

[0031] The laser distance measuring sensor may be KEYENCE's LR-X series sensor. The detection principle of the laser distance measuring sensor is known.

[0032] When the distance value of the H-beam is detected to be the set value, the system controls the clamping device 4 to clamp, thereby driving the left lifting lug 1 and the right lifting lug 2 to clamp the H-beam.

[0033] In a preferred solution, a proximity sensor 52 is further provided above the U-shaped slot 11 , and the proximity sensor 52 is used to detect whether there is an H-shaped steel beam 6 in the U-shaped slot 11 during clamping.

[0034] The proximity sensor is an inductive proximity sensor for detecting metal. When metal is detected within a certain distance, the proximity sensor 52 will have a signal feedback, thereby detecting whether there is an H-shaped steel beam in the U-shaped slot 11 when the left lifting ear 1 and the right lifting ear 2 are clamped.

[0035] In the preferred solution, a first beam 31 , a second beam 32 and a mounting plate 33 are provided on the mounting frame 3 , the power source 5 is mounted on the first beam 31 , the first guide rail 43 and the second guide rail 44 are mounted on the second beam 32 , and the rotating shaft 45 is mounted on the mounting plate 33 .

[0036] In a preferred solution, a mounting hole is provided on the mounting plate 33 , a bearing seat 34 is provided in the mounting hole, and the rotating shaft 45 is sleeved on the bearing seat 34 .

[0037] In a preferred solution, a slider 53 is further provided between the first guide rail 43 , the second guide rail 44 and the first moving block 41 , the second moving block 42 .

[0038] The first moving block 41 and the second moving block 42 are mounted on the slider 53 .

[0039] The working principle of this equipment is that when the laser distance measuring sensor detects that the H-shaped steel beam 6 is a certain distance away from the clamping device, the power source 5 is controlled to drive the left lifting ear 1 and the right lifting ear 2 to clamp the H-shaped steel beam 6, thereby realizing the automatic clamping of the H-shaped steel beam 6 by the clamping device.

[0040] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. An H-beam lifting lug, characterized in that: The invention comprises a left lifting eye (1) and a right lifting eye (2), wherein the left lifting eye (1) and the right lifting eye (2) have a U-shaped slot (11) in the width direction for clamping an H-shaped steel beam (6), a mounting frame (3) is connected above the left lifting eye (1) and the right lifting eye (2), a clamping device (4) is provided between the lifting eye and the mounting frame (3), the clamping device (4) comprises a first moving block (41) and a second moving block (42), the left lifting eye (1) is connected to the first moving block (41), the right lifting eye (2) is connected to the second moving block (42), a power source (5) connected to the mounting frame (3) is provided on the first moving block (41) or the second moving block (42), and the power source (5) is used to drive the first moving block (41) and the second moving block (42) to approach each other, thereby driving the left lifting eye (1) and the right lifting eye (2) to clamp the H-shaped steel beam (6).

2. The H-beam lifting eye according to claim 1, characterized in that: The clamping device (4) comprises a first guide rail (43) and a second guide rail (44) which are at least oriented in the same direction; a first movable block (41) is arranged on the first guide rail (43); a second movable block (42) is arranged on the second guide rail (44); a rotating shaft (45) mounted on the mounting frame (3) is arranged between the first movable block (41) and the second movable block (42); a rotating plate (46) is arranged on the rotating shaft (45); and two ends of the rotating plate (46) are rotatably connected to a first pull rod (47) and a second pull rod (48).

3. The H-beam lifting eye according to claim 2, characterized in that: A first rotating hole (411) is provided at the center of the first moving block (41), a second rotating hole (421) is provided at the center of the second moving block (42), a first connecting hole (461) and a second connecting hole (462) are symmetrically provided on both sides of the rotating plate (46) with the rotating axis (45) as the center, and joint bearings (49) are connected at both ends of the first pull rod (47) and the second pull rod (48).

4. The H-beam lifting eye according to claim 2, characterized in that: A distance measuring sensor (51) is provided on the clamping device (4), and the distance measuring sensor (51) is used to detect the distance from the lifting eye to the H-shaped steel beam (6).

5. The H-beam lifting eye according to claim 1, characterized in that: A proximity sensor (52) is also provided above the U-shaped slot (11), and the proximity sensor (52) is used to detect whether an H-shaped steel beam (6) is present in the U-shaped slot (11) during clamping.

6. The H-beam lifting eye according to claim 2, characterized in that: A first crossbeam (31), a second crossbeam (32) and a mounting plate (33) are provided on the mounting frame (3); a power source (5) is mounted on the first crossbeam (31); a first guide rail (43) and a second guide rail (44) are mounted on the second crossbeam (32); and a rotating shaft (45) is mounted on the mounting plate (33).

7. The H-beam lifting eye according to claim 6, characterized in that: A mounting hole is provided on the mounting plate (33), a bearing seat (34) is provided in the mounting hole, and the rotating shaft (45) is sleeved on the bearing seat (34).

8. The H-beam lifting eye according to claim 3, characterized in that: A sliding block (53) is also provided between the first guide rail (43), the second guide rail (44) and the first moving block (41), and the second moving block (42).

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