Electric maintenance suspender device of tower crane

Abstract

The utility model discloses an electric maintenance suspender device of a tower crane, which comprises a revolving bed, a balance arm platform mounted on the tower crane, two connecting lug plates A arranged at the top of the revolving bed; the suspender stand column is located on the rotary seat, the bottom is provided with a connecting lug plate B matched with the connecting lug plate A, the top is provided with a connecting lug plate C, and the side face is provided with a connecting lug plate E; connecting lug plates D matched with the connecting lug plates C are arranged at the bottoms of the cantilever beams, and pulleys are arranged on the surfaces of the cantilever beams; the mounting frame is connected to one side of the suspender stand column through a connecting lug plate F matched with the connecting lug plate E; the hoisting mechanism is connected to the mounting frame; the lifting hook is connected to the lifting mechanism by winding a steel wire rope around the pulley, the lifting mechanism is arranged on the suspender stand column, the lifting function of the maintenance suspender is achieved, and a plurality of components are detachably connected through the connecting lug plates.

Description

Technical Field

[0001] The utility model relates to the technical field of tower cranes, in particular to an electric maintenance boom device for a tower crane. Background Art

[0002] During the use of a tower crane, its lifting mechanism parts and motors may malfunction due to various reasons and require maintenance. Therefore, in order to facilitate the maintenance and lifting of mechanism parts, a maintenance boom for maintenance needs to be installed on the tower crane. The existing maintenance booms used on tower cranes have a small lifting capacity and torque, and do not have a lifting motor, so they cannot be used to lift the mechanism parts of large tower cranes. If a lifting motor is installed on the boom crossbeam, the length of the boom crossbeam needs to be lengthened, and the turning radius is large, which will interfere with the mechanism and tower crane structure during operation, thereby failing to achieve the purpose of convenient maintenance. In addition, the various components of the maintenance boom are mostly connected by welding and other methods, which makes it difficult to disassemble. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an electric maintenance boom device for a tower crane, which realizes the lifting function of the maintenance boom, and multiple components are detachably connected through connecting ear plates.

[0004] The utility model adopts the following technical solutions:

[0005] An electric maintenance boom device for a tower crane comprises: a slewing seat, which is installed on the balance arm platform of the tower crane and has two connecting ear plates A on the top; a boom column, which is located on the slewing seat and has a connecting ear plate B matching the connecting ear plate A on the bottom, a connecting ear plate C on the top, and a connecting ear plate E on the side; a cantilever beam, which has a connecting ear plate D matching the connecting ear plate C on the bottom and a pulley on the surface; a mounting frame, which is connected to one side of the boom column through a connecting ear plate F matching the connecting ear plate E; a lifting mechanism, which is connected to the mounting frame; and a hook, which is connected to the lifting mechanism by passing a steel wire rope around the pulley.

[0006] Preferably, the connecting ear plate A is provided with two pin holes.

[0007] Preferably, a slewing support is provided in the middle of the slewing seat, and the boom column can rotate around the center of the slewing seat.

[0008] Preferably, the cantilever beam is composed of two channel steels forming a main beam, and a plurality of connecting steel plates are spaced apart and connected along the extending direction of the two channel steels.

[0009] Preferably, the cantilever beam is provided with a plurality of slotted plates, the slotted plates are provided with a plurality of slot holes, and the pulley is mounted on a slot hole of the slotted plates.

[0010] Preferably, the boom column is composed of two channel steels to form a main truss, and a plurality of connecting plates are spaced apart and connected along the extension direction of the two channel steels.

[0011] Preferably, the lifting mechanism comprises a motor and a wire rope drum.

[0012] Compared with the prior art, the utility model has the following advantages: the utility model provides an electric maintenance boom device for a tower crane, comprising: a slewing seat, a boom column, a cantilever beam, a mounting frame, a lifting mechanism, and a hook, which is connected to the lifting mechanism by a steel wire rope passing through a pulley, thereby realizing the lifting function of the maintenance boom; at the same time, multiple components are detachably connected by connecting ear plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the boom device.

[0014] Figure 2 for Figure 1 A partial enlarged view of the AA section.

[0015] Figure 3 for Figure 1 A partial enlarged view of the BB part.

[0016] Figure 4 for Figure 1 A partial enlarged view of the CC section.

[0017] Figure 5 It is a schematic diagram of the structure of the swivel seat.

[0018] Figure 6 A schematic diagram of the structure of the mounting frame.

[0019] In the figure, cantilever beam 1, connecting ear plate D1-1, slotted plate 1-2, pulley 2, hanger column 3, connecting ear plate B3-1, connecting ear plate C3-2, mounting frame 4, connecting ear plate F4-1, lifting mechanism 5, slewing seat 6, connecting ear plate A6-1, slewing bearing 6-2, hook 7. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the technical solution of the utility model, a detailed description is given below in conjunction with the accompanying drawings and specific embodiments.

[0021] Example 1

[0022] like Figure 1 As shown, an electric maintenance boom device for a tower crane includes a cantilever beam 1, a pulley 2, a boom column 3, a mounting frame 4, a lifting mechanism 5, a slewing seat 6 and a hook 7: wherein,

[0023] like Figure 4-5As shown, the slewing seat 6 is installed on the balance arm platform of the tower crane, and two connecting ear plates A6-1 are provided on the top;

[0024] The boom column 3 is located on the swivel seat 6, and is provided with a connecting ear plate B3-1 matching the connecting ear plate A6-1 at the bottom, a connecting ear plate C3-2 at the top, and a connecting ear plate E at the side;

[0025] like Figure 2-3 As shown, the cantilever beam 1 has a connection ear plate D1-1 at the bottom that matches the connection ear plate C3-2, and a pulley 2 on the surface;

[0026] like Figure 6 As shown, the mounting frame 4 is connected to one side of the boom column 3 through a connecting ear plate F4-1 that matches the connecting ear plate E;

[0027] A lifting mechanism 5 is connected to the mounting frame 4;

[0028] The hook 7 is connected to the lifting mechanism 5 by passing the steel wire rope around the pulley 2.

[0029] Among them, two pin holes are provided on the connecting ear plate A6-1, the connecting ear plate B3-1, the connecting ear plate C3-2, the connecting ear plate D1-1, the connecting ear plate E and the connecting ear plate F4-1, and the corresponding structures are detachably connected through the pins.

[0030] A slewing bearing 6 - 2 is provided in the middle of the slewing seat 6 , and the boom column 3 can rotate around the center of the slewing seat 6 .

[0031] like Figure 2 As shown, the cantilever beam 1 is composed of two channel steels forming a main beam, and a plurality of connecting steel plates are spaced apart and connected along the extending direction of the two channel steels.

[0032] The cantilever beam 1 is provided with a plurality of slotted plates 1 - 2 , the slotted plates 1 - 2 are provided with a plurality of slotted holes, and the pulley 2 is installed on a slotted hole of the slotted plates 1 - 2 .

[0033] The boom column 3 is composed of two channel steels to form a main truss, and a plurality of connecting plates are spaced apart and connected along the extending direction of the two channel steels.

[0034] The lifting mechanism 5 comprises a motor and a wire rope drum.

[0035] The above are only preferred embodiments of the present invention. The protection scope of the present invention shall be based on the scope defined by the claims. Several improvements and modifications made by those skilled in the art without departing from the spirit and scope of the present invention shall also be regarded as the protection scope of the present invention.

Claims

1. An electric maintenance boom device for a tower crane, characterized in that: include: A slewing seat (6) is installed on the balance arm platform of the tower crane, and is provided with two connecting ear plates A (6-1) on the top; a boom column (3) is located on the slewing seat (6), and is provided with a connecting ear plate B (3-1) matching the connecting ear plate A (6-1) at the bottom, a connecting ear plate C (3-2) at the top, and a connecting ear plate E at the side; A cantilever beam (1) is provided with a connecting ear plate D (1-1) matching with a connecting ear plate C (3-2) at the bottom, and a pulley (2) is provided on the surface; The mounting frame (4) is connected to one side of the boom column (3) via a connecting ear plate F (4-1) matching the connecting ear plate E; A lifting mechanism (5) connected to the mounting frame (4); The hook (7) is connected to the lifting mechanism (5) by means of a steel wire rope passing around the pulley (2).

2. The electric maintenance boom device for a tower crane according to claim 1, characterized in that: The connecting ear plate A (6-1) is provided with two pin holes.

3. The electric maintenance boom device for a tower crane according to claim 1, characterized in that: A slewing bearing (6-2) is provided in the middle of the slewing seat (6), and the suspension rod column (3) can rotate around the center of the slewing seat (6).

4. The electric maintenance boom device for a tower crane according to claim 1, characterized in that: The cantilever beam (1) is composed of two channel steels forming a main beam, and a plurality of connecting steel plates are connected at intervals along the extending direction of the two channel steels.

5. The electric maintenance boom device for a tower crane according to claim 1, characterized in that: The cantilever beam (1) is provided with a plurality of slotted plates (1-2), the slotted plates (1-2) are provided with a plurality of slotted holes, and the pulley (2) is installed on a slotted hole of the slotted plates (1-2).

6. The electric maintenance boom device for a tower crane according to claim 1, characterized in that: The suspension rod column (3) is composed of two channel steels to form a main truss, and a plurality of connecting plates are connected at intervals along the extending direction of the two channel steels.

7. The electric maintenance boom device for a tower crane according to claim 1, characterized in that: The lifting mechanism (5) comprises a motor and a wire rope drum.

Images