Lifting appliance for lifting boiler steel frame column top plate stand column

Abstract

The utility model discloses a lifting appliance for lifting a boiler steel frame column top plate stand column, which comprises a lifting appliance, a bolt movably connected to the inner wall of the lifting appliance, a first supporting arm movably connected to one side of the bolt, a second supporting arm movably connected to the inner wall of the first supporting arm, and a third supporting arm movably connected to the inner wall of the first supporting arm. A fourth supporting arm is movably connected to the inner wall of the second supporting arm, a limiting block is fixedly connected to the bottom of the fourth supporting arm, a protective pad is arranged on the top of the limiting block, a nut is movably connected to the outer wall of the bolt, and a nut is movably connected to the inner wall of the nut; the lifting appliance for lifting the boiler steel frame column top plate stand column has the advantages of being reasonable in structural design, stable in lifting, convenient to use and the like, and therefore the problems and defects of an existing device are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel frame hangers, in particular to a hanger used for hanging upright columns of boiler steel frame columns and top plates. Background Art

[0002] A sling refers to a device used in lifting machinery to lift heavy objects. The most commonly used slings for lifting finished items are hooks and slings, and others include lifting rings, lifting suction cups, clamps and forks. They are widely used in the lifting and hoisting industry.

[0003] However, the hoisting equipment currently used for lifting the top plate columns of the boiler steel frame columns mainly places the steel top plate on the slings and hangs the slings on the hoisting equipment for lifting. It is difficult to maintain stability during the lifting process, and another set of slings need to be held manually to keep the top plate balanced, which is very dangerous.

[0004] In view of this, research and improvements are conducted on the existing problems, and a hoisting device for hoisting the top plate columns of boiler steel frame columns is provided. The hoisting device has a reasonable structural design, and integrates stable hoisting, easy use, and less dangerousness. It reduces manpower and material resources and greatly improves work efficiency. The purpose is to solve the problem and improve the practical value through this technology. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a hoisting device for hoisting the top plate column of a boiler steel frame column.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hanger for lifting the top plate column of a boiler steel frame column, including a hanger, the inner wall of the hanger is movably connected with a bolt, one side of the bolt is movably connected with a first support arm, the inner wall of the first support arm is movably connected with the second support arm, the inner wall of the first support arm is movably connected with the third support arm, the top of the third support arm is provided with an opening, the inner wall of the second support arm is movably connected with the fourth support arm, the bottom of the fourth support arm is fixedly connected with a limiting block, the top of the limiting block is provided with a protective pad, the outer wall of the bolt is movably connected with a nut, the inner wall of the nut is movably connected with a nut, the outer wall of the bolt is provided with an external thread, the outer wall of the nut is provided with a first internal threaded hole, the top of the first internal threaded hole is provided with a second internal threaded hole, and the outer wall of the fourth support arm is fixedly connected with a hook.

[0007] As a further description of the above technical solution:

[0008] The bolt, nut, nut, first internal threaded hole and second internal threaded hole form a fixing structure, and the second internal threaded hole is located at four sides of the first internal threaded hole, namely, upper, lower, left and right.

[0009] As a further description of the above technical solution:

[0010] The inner walls of the bottom of the third support arm and the fourth support arm are fixedly connected to the limiting block, and the top of the limiting block and the side of the bottom of the third support arm and the fourth support arm close to the limiting block are provided with protective pads.

[0011] As a further description of the above technical solution:

[0012] The protective pad is made of rubber material, and one side of the protective pad is provided with anti-slip textures.

[0013] As a further description of the above technical solution:

[0014] The hook has an L-shaped appearance, and is located on the outer wall at the bottom of the third support arm and the fourth support arm.

[0015] As a further description of the above technical solution:

[0016] The fourth supporting arm is located inside the opening at the top of the third supporting arm, and the opening is only located at the top of the third supporting arm.

[0017] The utility model has the following beneficial effects:

[0018] In the utility model, by combining stable lifting, easy use, and low risk, the working efficiency of the lifting device for lifting the boiler steel frame column top plate column is greatly improved, thereby achieving the effect of improving safety. After lifting, several groups of support arms are rotated to clamp the position in contact with the top plate, which effectively ensures the stability of the top plate during lifting and transportation, reduces the possibility of the top plate falling during traditional transportation by slings, and at the same time, the limit block also limits the bottom of the top plate, which has a higher safety level. In addition, the use of hooks makes it possible to suspend some hollow top plates while transporting the top plates, so as to achieve the effect of transporting them together and reduce the time consumption of re-transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a hoisting device for hoisting a boiler steel frame column top plate column proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the connection structure of a hoisting device for hoisting a boiler steel frame column top plate column proposed by the utility model;

[0021] Figure 3 A schematic diagram of bolts of a lifting device for lifting a boiler steel frame column top plate column proposed by the utility model;

[0022] Figure 4 The utility model discloses a nut schematic diagram of a lifting device for lifting a boiler steel frame column top plate column.

[0023] Legend:

[0024] 1. Lifting device; 2. Bolt; 3. First support arm; 4. Second support arm; 5. Third support arm; 6. Opening; 7. Fourth support arm; 8. Limit block; 9. Protective pad; 10. Nut; 11. Nut; 12. External thread; 13. First internal thread hole; 14. Second internal thread hole; 15. Hook. DETAILED DESCRIPTION

[0025] 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.

[0026] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] Reference Figure 1-4The utility model provides an embodiment: a sling for hoisting a boiler steel frame column top plate column, comprising a sling 1, a bolt 2 is movably connected to the inner wall of the sling 1 to connect adjacent support arms, a first support arm 3 is movably connected to one side of the bolt 2, a second support arm 4 is movably connected to the inner wall of the first support arm 3, a third support arm 5 is movably connected to the inner wall of the first support arm 3, an opening 6 is provided at the top of the third support arm 5, a fourth support arm 7 is movably connected to the inner wall of the second support arm 4 to clamp the top plate, and the fourth support arm 7 is fixedly connected to a limited position at the bottom Block 8 has the function of supporting and limiting the top plate. A protective pad 9 is arranged on the top of the limiting block 8 to reduce the damage caused by the extrusion force to the inside of the support arm. The outer wall of the bolt 2 is movably connected with a nut 10, and the inner wall of the nut 10 is movably connected with a nut 11. The outer wall of the bolt 2 is provided with an external thread 12, and the outer wall of the nut 10 is provided with a first internal threaded hole 13, and the top of the first internal threaded hole 13 is provided with a second internal threaded hole 14. The outer wall of the fourth support arm 7 is fixedly connected with a hook 15 to suspend some parts or hollow top plates to reduce the time consumption of transporting them again.

[0028] Specifically, the bolt 2, the nut 10, the nut 11, the first internal threaded hole 13, and the second internal threaded hole 14 constitute a fixing structure. The second internal threaded hole 14 is located on the upper, lower, left, and right sides of the first internal threaded hole 13, making the installation between adjacent support arms more stable.

[0029] Specifically, the inner walls at the bottom of the third support arm 5 and the fourth support arm 7 are fixedly connected to the limit block 8, and the top of the limit block 8 and the side of the bottom of the third support arm 5 and the fourth support arm 7 close to the limit block 8 are provided with protective pads 9 to reduce the damage to the inner arm of the support arm caused by the extrusion force during the clamping process.

[0030] Specifically, the protective pad 9 is made of rubber material, and one side of the protective pad 9 is provided with anti-skid patterns to increase friction and prevent slipping.

[0031] Specifically, the hook 15 is L-shaped in appearance. The hook 15 is located on the outer wall at the bottom of the third support arm 5 and the fourth support arm 7, which is convenient for hanging some hollow top plates or parts and reduces the time consumption for additional transportation thereof.

[0032] Specifically, the fourth supporting arm 7 is located inside the opening 6 at the top of the third supporting arm 5 , and the opening 6 is only located at the top of the third supporting arm 5 .

[0033] Working principle: When in use, the user moves the device downward through the crane so that the top plate is located above the limit block 8, and at the same time, the top plate is located between the third support arm 5 and the fourth support arm 7, and then pulls it upward. The first support arm 3 and the second support arm 4 are affected by the pulling force and drive the third support arm 5 and the fourth support arm 7 to clamp inward respectively, so that the top plate remains stable for transportation. When it is necessary to transport food or some tools to the staff above the steel frame, they can be hung on the hook 15 for transportation together, avoiding the need for the staff to come down from the working position of the steel frame to take them, saving time.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lifting device for lifting a boiler steel frame column top plate column, comprising a lifting device (1), characterized in that: The inner wall of the sling (1) is movably connected with a bolt (2), one side of the bolt (2) is movably connected with a first support arm (3), the inner wall of the first support arm (3) is movably connected with a second support arm (4), the inner wall of the first support arm (3) is movably connected with a third support arm (5), the top of the third support arm (5) is provided with an opening (6), the inner wall of the second support arm (4) is movably connected with a fourth support arm (7), the bottom of the fourth support arm (7) is fixedly connected with a limiting block (8), the top of the limiting block (8) is provided with a protective pad (9), the outer wall of the bolt (2) is movably connected with a nut (10), the inner wall of the nut (10) is movably connected with a nut (11), the outer wall of the bolt (2) is provided with an external thread (12), the outer wall of the nut (10) is provided with a first internal threaded hole (13), the top of the first internal threaded hole (13) is provided with a second internal threaded hole (14), and the outer wall of the fourth support arm (7) is fixedly connected with a hook (15).

2. The lifting device for lifting the top plate column of a boiler steel frame column according to claim 1 is characterized in that: The bolt (2), the nut (10), the nut (11), the first internal threaded hole (13), and the second internal threaded hole (14) form a fixing structure, and the second internal threaded hole (14) is located at the upper, lower, left, and right sides of the first internal threaded hole (13).

3. The lifting device for lifting the top plate column of a boiler steel frame column according to claim 1 is characterized in that: The inner walls of the bottom of the third support arm (5) and the fourth support arm (7) are fixedly connected to a limit block (8), and a protective pad (9) is provided on the top of the limit block (8) and on one side of the bottom of the third support arm (5) and the fourth support arm (7) close to the limit block (8).

4. The lifting device for lifting the top plate column of a boiler steel frame column according to claim 1 is characterized in that: The protective pad (9) is made of rubber material, and one side of the protective pad (9) is provided with anti-slip patterns.

5. The lifting device for lifting the top plate column of a boiler steel frame column according to claim 1 is characterized in that: The hook (15) has an L-shaped appearance, and the hook (15) is located on the outer wall at the bottom of the third support arm (5) and the fourth support arm (7).

6. The lifting device for lifting the top plate column of a boiler steel frame column according to claim 1 is characterized in that: The fourth support arm (7) is located inside the opening (6) at the top of the third support arm (5), and the opening (6) is only located at the top of the third support arm (5).

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