Special rigging for tower crane

Abstract

The utility model belongs to the technical field of rigging, and particularly relates to a special rigging for a tower crane, which comprises a base body, a pin shaft is arranged in the base body, the lower end of the pin shaft is connected with a fixing piece, the fixing piece is fixedly connected with the surface of the lower wall of the pin shaft, and the upper wall of the fixing piece is fixedly connected with the surface of the lower wall of the base body. A lifting hook is fixedly connected to the lower wall of the base body, a mounting seat is welded to the lower portion of the inner wall of the lifting hook, an arc-shaped groove is formed in the surface of the upper wall of the mounting seat, a baffle is hinged between the fixing piece and the lifting hook, a mounting block is welded to the end of the lifting hook, and the baffle is in threaded connection with the mounting block; through the joint cooperation of the mounting seat and the arc-shaped groove formed in the mounting seat, when the lifting hook lifts the steel wire rope, the moving range of the steel wire rope can be limited, the situation that the shaking amplitude is too large is avoided, the steel wire rope is more stable, the baffle is in threaded connection with the mounting block, and it can be ensured that the lifting hook is not prone to loosening after objects are lifted.

Description

Technical Field

[0001] The utility model relates to the technical field of rigging, in particular to a special rigging for a tower crane. Background Art

[0002] Tower cranes are widely used in today's construction field. Most of the rigging used in tower cranes are D-type rigging, that is, rings are provided at the ends of the two side rods of the two U-shaped side rods, and the plug rod is laterally inserted into the two rings from one side of the ring and the end of the plug rod cooperates with the inner thread of the ring.

[0003] The problems with the common D-type rigging at present are: the internal space is large, the degree of restriction on the rope is low, the rope is prone to shaking, and secondly, there is no protective structure and there is a risk of loosening.

[0004] For this reason, a special rigging for tower crane is now proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a special rigging for tower cranes to solve the problems of the currently common D-type rigging mentioned in the above background technology: the internal space is large, the restriction degree of rope is low, the rope is easy to shake, and secondly, there is no protective structure and there is a risk of loosening.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a special rigging for a tower crane, comprising a base, a pin shaft is arranged inside the base, a fixing piece is connected to the lower end of the pin shaft, the fixing piece is fixedly connected to the lower wall surface of the pin shaft, the upper wall of the fixing piece is fixedly connected to the lower wall surface of the base, a hook is fixedly connected to the lower wall of the base, a mounting seat is welded below the inner wall of the hook, an arc-shaped groove is provided on the upper wall surface of the mounting seat, a baffle is hinged between the fixing piece and the hook, a mounting block is welded to the end of the hook, and the baffle and the mounting block are screwed.

[0007] Preferably, a screw rod is provided between the baffle plate and the mounting block, the screw rod penetrates the inside of the baffle plate and the mounting block and extends to the outside, and two nuts are screwed on the outer wall surface of the screw rod.

[0008] Preferably, a fastening collar is provided between the pin shaft and the base body, the pin shaft and the fastening collar are rotationally connected, and the base body and the fastening collar are fixedly connected.

[0009] Preferably, a rope connector is welded on the upper part of the base, and the outer wall surface of the rope connector is sprayed with corrosion-resistant paint.

[0010] Preferably, a rotating shaft is installed at the connection between the fixing member and the baffle, the baffle and the rotating shaft are fixedly connected, and the rotating shaft and the fixing member are rotatably connected.

[0011] Preferably, the outer wall surfaces of the hook, the fixing piece and the base are all sprayed with corrosion-resistant paint, and the upper wall surface of the mounting seat is connected with a wear-resistant layer.

[0012] Compared with the prior art, the beneficial effects of the utility model are: through the cooperation between the mounting seat and the arc-shaped groove opened on the mounting seat, the movement range of the wire rope can be limited when the hook hangs the wire rope, avoiding excessive shaking and being more stable; the baffle and the mounting block are screwed together to ensure that the hook is not easy to loosen after lifting the object. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 3 It is a side structural schematic diagram of the utility model.

[0016] In the figure: 1, base; 2, rope connecting part; 3, pin shaft; 4, fastening ring; 5, fixing part; 6, hook; 7, baffle; 8, rotating shaft; 9, mounting block; 10, screw rod; 11, mounting seat; 12, arc groove; 13, nut. DETAILED DESCRIPTION

[0017] 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.

[0018] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" 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 components. 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.

[0020] Example:

[0021] See also Figure 1-3 The utility model provides a technical solution: a special rigging for a tower crane, comprising a base 1, a pin shaft 3 is arranged inside the base 1, the pin shaft 3 penetrates the inside of the base 1 and extends to the outside of the base 1, the pin shaft 3 is rotatably connected to the base 1, the lower end of the pin shaft 3 is connected to a fixing piece 5, the fixing piece 5 is fixedly connected to the lower wall surface of the pin shaft 3, the upper wall of the fixing piece 5 is fixedly connected to the lower wall surface of the base 1, a hook 6 is fixedly connected to the lower wall of the base 1, a mounting seat 11 is welded below the inner wall of the hook 6, an arc-shaped groove 12 is opened on the upper wall surface of the mounting seat 11, a baffle 7 is hinged between the fixing piece 5 and the hook 6, a mounting block 9 is welded at the end of the hook 6, and the baffle 7 and the mounting block 9 are screwed.

[0022] Among them, a screw rod 10 is arranged between the baffle plate 7 and the mounting block 9, and the screw rod 10 penetrates the interior of the baffle plate 7 and the mounting block 9 and extends to the outside. Two nuts 13 are screwed on the outer wall surface of the screw rod 10. A fastening collar 4 is arranged between the pin shaft 3 and the base body 1. The pin shaft 3 and the fastening collar 4 are rotatably connected, and the base body 1 and the fastening collar 4 are fixedly connected. A rope connecting member 2 is welded above the base body 1, and the outer wall surface of the rope connecting member 2 is sprayed with corrosion-resistant paint. A rotating shaft 8 is installed at the connection between the fixing member 5 and the baffle plate 7, and the baffle plate 7 is fixedly connected to the rotating shaft 8, and the rotating shaft 8 is rotatably connected to the fixing member 5. The outer wall surfaces of the hook 6, the fixing member 5 and the base body 1 are all sprayed with corrosion-resistant paint, and the upper wall surface of the mounting seat 11 is connected with a wear-resistant layer.

[0023] Working principle: When using the hook 6 to hook the wire rope, first unscrew the two nuts 13, then remove the screw 10, and rotate the baffle 7 through the action of the rotating shaft 8. After the baffle 7 rotates, the hooked wire rope is placed in the arc groove 12 on the mounting seat 11. The arc groove 12 serves as the active area of ​​the wire rope. During the process of being lifted and moved, the shaking amplitude is small. After the wire rope is placed in the arc groove 12, reset the baffle 7, and then insert the screw 10. After insertion, screw the two nuts 13 onto the screw 10 to ensure that the baffle 7 and the hook 6 are fixedly connected and will not easily loosen.

[0024] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special rigging for a tower crane, comprising a base (1), characterized in that: A pin shaft (3) is arranged inside the base (1), and a fixing member (5) is connected to the lower end of the pin shaft (3), and the fixing member (5) is fixedly connected to the lower wall surface of the pin shaft (3), and the upper wall of the fixing member (5) is fixedly connected to the lower wall surface of the base (1). A hook (6) is fixedly connected to the lower wall of the base (1), and a mounting seat (11) is welded below the inner wall of the hook (6), and an arc-shaped groove (12) is provided on the upper wall surface of the mounting seat (11). A baffle (7) is hinged between the fixing member (5) and the hook (6), and a mounting block (9) is welded to the end of the hook (6), and the baffle (7) and the mounting block (9) are screwed.

2. A tower crane special rigging according to claim 1, characterized in that: A screw rod (10) is arranged between the baffle plate (7) and the mounting block (9), and the screw rod (10) penetrates the inside of the baffle plate (7) and the mounting block (9) and extends to the outside. Two nuts (13) are screwed on the outer wall surface of the screw rod (10).

3. The special rigging for tower crane according to claim 1, characterized in that: A fastening collar (4) is provided between the pin shaft (3) and the base body (1); the pin shaft (3) and the fastening collar (4) are rotatably connected, and the base body (1) and the fastening collar (4) are fixedly connected.

4. The special rigging for tower crane according to claim 1, characterized in that: A rope connecting piece (2) is welded above the base (1), and the outer wall surface of the rope connecting piece (2) is sprayed with corrosion-resistant paint.

5. The special rigging for tower crane according to claim 1, characterized in that: A rotating shaft (8) is installed at the connection between the fixing member (5) and the baffle (7); the baffle (7) and the rotating shaft (8) are fixedly connected, and the rotating shaft (8) and the fixing member (5) are rotatably connected.

6. The special rigging for tower crane according to claim 1, characterized in that: The outer wall surfaces of the hook (6), the fixing member (5) and the base (1) are all sprayed with corrosion-resistant paint, and the upper wall surface of the mounting seat (11) is connected with a wear-resistant layer.

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