Steel structure derrick overturning auxiliary equipment

Abstract

The utility model discloses steel structure derrick overturning auxiliary equipment, which belongs to the technical field of mine derrick installation, and comprises a base and a derrick connected with the base through a hinge, one end of the base is connected with a base through an embedded part, the top of the base is provided with a vertical rod, the top end of the vertical rod is provided with a top seat, and the bottom of the top seat is provided with a jack. According to the utility model, the characteristics of the structure of the derrick foundation and the characteristics of the turnover hinge are utilized, and a simple and convenient tool is utilized to replace a large crane for stress, so that the gravity center of the derrick smoothly changes the direction; the auxiliary equipment is simple in structure and easy to operate, and all machines and materials can be taken from a construction site.

Description

Technical Field

[0001] The utility model relates to an auxiliary device for the turnover of a steel structure derrick, belonging to the technical field of the installation of mine derricks. Background Technique

[0002] The scale of the reconstructed mine is gradually increasing, and the risks and difficulties in its infrastructure construction are also increasing accordingly. Among them, the installation risk of the steel structure derrick module is particularly obvious. The common construction methods of the steel structure derrick include the mast hoisting method and the crane hoisting method, and for the single-sided inclined leg of the derrick, there are the hinge turnover method, the sliding method, the large turnover method, etc.

[0003] When using the large turnover method to erect the steel derrick, during the process of the derrick turning over 90°, due to the inability to reasonably and timely convert the force, the force on the crane suddenly changes, resulting in greater potential safety hazards and accident risks. Therefore, how to make this process stable is particularly important. Summary of the Utility Model

[0004] The main purpose of the utility model is to provide an auxiliary device, so that when the steel structure derrick is erected by the large turnover method, the crane hoisting system and the winch rear stay system can be smoothly and safely converted, thereby reducing unnecessary potential safety hazards and accident risks caused by untimely conversion.

[0005] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0006] An auxiliary device for the turnover of a steel structure derrick, comprising a base and a derrick connected to the base by a hinge. One end of the base is connected with a base through an embedded part. A vertical rod is arranged on the top of the base, and a top seat is installed at the top end of the vertical rod. A jack is arranged at the bottom of the top seat.

[0007] Advantageous Technical Effects of the Utility Model

[0008] 1. This kind of auxiliary process makes full use of the characteristics of the derrick foundation's own structure and the characteristics of the turnover hinge, and uses a simple tooling to replace the force on the large crane, so that the center of gravity of the derrick can be smoothly changed in direction;

[0009] 2. The auxiliary process has a simple structure and is easy to operate. All tools and materials can be obtained from the construction site. Description of the Drawings

[0010] Figure 1 It is a schematic diagram of the initial position of the inclined leg turnover of the utility model;

[0011] Figure 2 It is a schematic diagram of the inclined leg turnover in place of the utility model;

[0012] Figure 3This is a schematic diagram of the tooling of the utility model assisting the derrick to flip 85 degrees;

[0013] Figure 4 This is a schematic diagram of the tooling of the utility model assisting the derrick to flip 92°;

[0014] Figure 5 This is a schematic diagram of the jack installation structure of the utility model;

[0015] Figure 6 This is a schematic diagram of the auxiliary tooling structure of the utility model.

[0016] In the figure: 1. base; 2. hinge; 3. derrick; 4. base; 5. vertical pole; 6. jack; 7. top base. DETAILED DESCRIPTION

[0017] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0018] like Figures 1 - 6 As shown, the steel structure derrick flipping construction method provided in this embodiment is:

[0019] First, the derrick 3 is divided into two units, the main inclined frame and the auxiliary inclined frame, for assembly;

[0020] The main inclined frame is assembled and welded on site according to the center line of the shaft; when assembling the auxiliary inclined frame, if the site permits, the assembly method is the same as the main inclined frame. If the site does not permit, it is assembled and welded outside the site, and then slid using a load-bearing flat car;

[0021] Second, the bottom of the main inclined frame is connected to the base 1 through a designed hinge, and it is erected by using the half-flip method and the tilt rod method. The bottoms of the auxiliary inclined frame and the vertical frame are also connected to the derrick foundation by hinges, and the auxiliary inclined frame is hoisted into place by using the main inclined frame using the "big flip method";

[0022] Third, when the derrick oblique leg is hoisted to about 85°, two or four sets of hydraulic long-rod jacks are used to apply downward pressure to the oblique leg to achieve the effect of hinge flipping. During the period of the jack action, the rear stabilizing vehicle system and the crane system are adjusted to bear the force, so that the derrick oblique leg is hoisted to about 92°.

[0023] Fourth, assembling on the ground can better control its installation quality;

[0024] Fifth, according to the characteristics of the derrick, multi-point rigid lifting lugs are used, and the derrick and the boom are evenly stressed, safe and reliable through force calculation;

[0025] Sixth, components such as the derrick head and crossbeam can be assembled to the maximum extent on the ground, ensuring the installation quality and reducing high-altitude operations.

[0026] When the derrick is lifted to about 85°, through auxiliary equipment, the derrick is smoothly flipped from 85° to 92°, and then it is hoisted to the designed position by using the rear stay winch system. This greatly reduces the uncertain risks generated when the crane flips the derrick close to and exceeding the center of gravity, and can smoothly and safely convert the crane hoisting system to the force-bearing of the rear stay winch system;

[0027] When the derrick's inclined legs are hoisted by the large flipping method, during the period when the inclined legs are about to reach 90° (without crossing the center of gravity) and exceeding 90°, the use of hoisting, especially the cooperation of multiple cranes for hoisting, is a major safety hazard. Due to the change in the direction of the center of gravity of the hoisted component and the increase in the hoisting amplitude, these are all adverse factors for the crane.

[0028] Considering the above hazards, auxiliary equipment is adopted to assist the smooth hoisting and positioning of the inclined legs. The specific working principle is as follows: When the derrick's inclined legs are hoisted to about 85°, through the illustrated tooling, using 2 or 4 groups of hydraulic long rod jacks, a downward pressure is applied to the inclined legs to achieve the purpose of flipping the hinge 2. During the action of the jacks, the rear stay winch system and the crane system adjust the force accordingly until the derrick's inclined legs are hoisted to about 92°. At this time, the center of gravity of the inclined legs has completed the flip.

[0029] As Figures 1 - 6 shown, a kind of steel structure derrick flipping auxiliary equipment provided in this embodiment includes a base 1 and a derrick 3 connected to the base 1 through a hinge 2. At one end of the base 1, a base 4 is connected through an embedded part. A vertical rod 5 is provided at the top of the base 4, and a top seat 7 is installed at the top of the vertical rod 5. A jack 6 is provided at the bottom of the top seat 7. A downward pressure is applied to the inclined legs of the derrick through the jack 6 to assist in flipping the hinge.

[0030] In summary, in this embodiment, according to the steel structure derrick flipping auxiliary equipment of this embodiment, the characteristics of the derrick foundation's own structure and the characteristics of the flipping hinge are utilized, and a simple tooling is used to replace the large crane in bearing the force, so that the center of gravity of the derrick is smoothly changed in direction; the auxiliary equipment has a simple structure and is easy to operate, and all tools and materials can be obtained from the construction site.

[0031] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the scope disclosed by the present invention, according to the technical solution and its concept of the present invention, makes equivalent replacements or changes, all belong to the protection scope of the present invention.

Claims

1. A steel structure derrick flip auxiliary device, characterized in that: The invention comprises a base (1) and a derrick (3) connected to the base (1) via a hinge (2); one end of the base (1) is connected to a pedestal (4) via an embedded part; a vertical pole (5) is provided on the top of the base (4); a top seat (7) is installed on the top of the vertical pole (5); and a jack (6) is provided on the bottom of the top seat (7).

2. The steel structure derrick flipping auxiliary equipment according to claim 1 is characterized in that: The derrick (3) comprises a main inclined frame and an auxiliary inclined frame.

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