CN201713215U - Flange pipe hanger - Google Patents

Abstract

The utility model provides a flange pipe hanger for lifting a flange pipe, the flange pipe hanger comprises a hanging ear, a shackle, and a nut, the hanging ear comprises a main body, a convex lug, and a screw, the convex lug and the screw respectively extend from the main body and in opposite directions, the convex lug is pivoted to the shackle, the screw can traverse the flange hole of the flange pipe and can be locked via the nut. The hanger in the utility model is advantageous in that the hanger adopts a special design, the angle between the hanging ear of the hanger and the shackle can be automatically adjusted, thereby guaranteeing the verticalness of the flange pipes when lifting flanges of different sizes, facilitating installation and placement, and improving work safety.

Description

Flange pipe spreader

【Technical field】

The utility model relates to a sling, in particular to a sling used for hoisting a flange pipe.

【Background technique】

Large-span iron towers of power transmission lines and high towers in other industries are now increasingly adopting steel pipe tower structures, that is, the main limbs or lower parts of iron towers are made of steel pipe structures, and are connected through flanges at both ends of the steel pipes. A steel pipe with flanges at one or both ends is called a flanged pipe, or a flanged pipe for short. The structure of the flanged pipe is shown in FIGS. 1A and 1B .

When the steel pipe material is in a horizontal state in the iron tower, it can be easily hoisted in place with ordinary slings.

When the steel pipe material is in a nearly vertical state in the iron tower, there are two traditional hoisting methods.

One is the sling (or wire rope) binding method, as shown in Figure 2 for details. This lifting method has two obvious disadvantages. First of all, under the action of gravity of the pipe, the planes of the upper and lower flanges are not in a horizontal state, and it is difficult to operate when the pipe is in place with the next pipe. Secondly, the sling is in contact with the edge of the upper flange, and is easily scratched by burrs or sharp edges, or even completely cut off, so there is a great potential safety hazard.

The other is the ordinary spreader method. The ordinary spreader is processed from round steel, and its structure is shown in Fig. 3A. When using this kind of ordinary spreader for hoisting operations, use bolts to fix the spreader in pairs on the bolt holes on the flange plate, and then hang it under the hook of the crane through the shackle and the sling. The method of use is shown in Figure 4. .

Ordinary hoisting method, although the upper and lower flange planes of the pipe are in a horizontal state, so that the pipe is basically vertical, which is convenient for positioning, but it also has an obvious shortcoming. That is, under the action of the gravity of the pipe, the lower end of the hanger will be bent under force, as shown in FIG. 3B . Due to the different diameters of the pipes, the size of the distribution diameter of the bolt holes on the flange plate at the end of the flange pipe is also different, so that the bending angle of the spreader when hoisting different flange pipes (that is, the angle a shown in Figure 3B) Always changing, big and small. This is equivalent to continuously bending the spreader rod forwards and backwards, causing the strength of the spreader to decrease rapidly, so there is a great potential safety hazard.

【Content of utility model】

In view of this, it is necessary to provide a flanged pipe spreader with high safety.

A flange pipe hanger for hoisting flange pipes, the flange pipe hanger includes lifting lugs, shackles and nuts, the lifting lugs include a main body, lugs and screw rods, and the lugs and screw rods are respectively The lug and the screw rod extend from the main body in opposite directions, the lug is pivotally connected with the shackle, the screw rod can pass through the flange hole of the flange pipe and use the Nut locked.

Preferably, the lug is provided with a mounting hole connected with the shackle.

Preferably, the diameter of the body is larger than the diameter of the screw.

Preferably, the flange pipe hanger further includes a sling, and the sling connects the two shackles.

Preferably, the flange pipe hanger further includes a hook, and the hook is hooked in the middle of the sling.

The utility model adopts a specially designed sling, so that the angle between the lifting lug and the shackle of the sling can be automatically adjusted, so that the flange pipes of different sizes can be hoisted to ensure that the flange pipes are vertical and easy to install. , also improves the safety of the operation.

【Description of drawings】

Fig. 1A is a front view of a flanged pipe.

Figure 1B is a side view of the flanged tube.

Fig. 2 is a schematic diagram of hoisting the flange pipe with a sling.

Fig. 3A is a schematic diagram of a common spreader.

Fig. 3B is a schematic diagram of another state of the sling.

Fig. 4 is a schematic diagram of hoisting the flange pipe by using the sling in Fig. 3 .

Fig. 5A is a front view of the lifting lug of the flange pipe hanger of the present invention.

Fig. 5B is a side view of the lifting lug in Fig. 5A.

Fig. 5C is a top view of the lifting lug in Fig. 5A.

Fig. 6 is a schematic diagram of cooperation between the lifting lug and the shackle in Fig. 5 .

Fig. 7 is a schematic diagram of hoisting the flange pipe by using the flange pipe spreader in Fig. 5 .

【Detailed ways】

In order to better understand the utility model, the embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings.

As shown in FIGS. 5 to 7 , the flange pipe hanger of the present invention includes a lifting lug 10 , a shackle 20 , a gasket 30 , a nut 40 and a sling 50 .

Referring to FIG. 5A to FIG. 5C , the lifting lug 10 includes a main body 12 and a lug 14 and a screw rod 16 respectively extending upward and downward from the main body 12 . The lug 14 is provided with a fixing hole 142, which can be connected with the shackle 20 (as shown in FIG. 6 ), and the shackle 20 can rotate a certain angle relative to the lifting lug 10 . The diameter of the screw 16 is smaller than that of the main body 12 .

Please refer to Fig. 7, when using the lifting lug 10 to hoist the flange pipe 70, first insert the screw 16 of the lifting lug 10 into the two symmetrical flange holes of the flange pipe 70, and then through the gasket 30 and the nut 40 The lifting lug 10 is connected with the flange pipe 70, and then the shackles 20 on the two lifting lugs 10 are connected with a sling 50. Finally, the sling 50 is hoisted with the hook 60 . The angle between the shackle 20 and the lug 10 can be automatically adjusted as the sling 50 is tightened.

During the hoisting process using the flange pipe spreader, the flange pipe 70 can always be kept in a vertical state, which is convenient for installation in place. After the screw rod 16 of the lifting lug 10 is tightly fixed on the flange hole of the flange pipe 70, because the length of the screw rod 16 part is short, under the gravity of the flange pipe 70, the screw rod 16 part will not be found to be bent and deformed.

When the size of the flange plate of the flange pipe 70 changes, the shackle 20 connected to the lifting lug 10 will automatically adjust its inclination angle, so that the bearing capacity of the lifting lug 10 is not weakened, and the construction safety is effectively guaranteed.

The above-mentioned embodiments only express several implementations of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (5)

1. flanged pipe suspender that is used to lift flange tubing, it is characterized in that: described flanged pipe suspender comprises hanger, shackle and nut, described hanger comprises main body, lug and screw rod, described lug and screw rod extend described lug and described screw rod from described main body to direction in opposite directions respectively, described lug is connected with described shackle pivotly, and described screw rod can pass the flange hole of flanged pipe and use described nut locking.

2. flanged pipe suspender according to claim 1 is characterized in that: offer on the described lug and shackle bonded assembly mounting hole.

3. according to each described flanged pipe suspender in the claim 1 to 2, it is characterized in that: the diameter of described main body is greater than the diameter of described screw rod.

4. flanged pipe suspender according to claim 3 is characterized in that: described flanged pipe suspender also comprises hoist cable, and described hoist cable connects two described shackles.

5. flanged pipe suspender according to claim 4 is characterized in that: described flanged pipe suspender also comprises suspension hook, and described suspension hook is hooked on the centre of described hoist cable.

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