Additional weight hoisting method

A hoisting and counterweight technology, applied in the directions of transportation and packaging, load hoisting components, etc., can solve problems such as fragile products, safety incidents, time-consuming, etc., and achieve the effect of enhancing safety factor, improving installation quality, and widely promoting value.

Inactive Publication Date: 2008-10-15
SHANGHAI ELECTRIC POWER GENERATION EQUIPMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the large size or heavy weight of the object, it is difficult to control the fine adjustment distance of the cart and trolley of the whole crane and the process of rising and falling of the hook, and it is easy to damage the product or cause a safety incident
[0004] There is another traditional method, which is to put the larger or heavier objects at a certain height, and then drag the smaller or lighter objects horizontally to the installation position using a hoist, and then Use several jacks to simultaneously lift to the bottom height of objects with large volume or heavy weight, but it is difficult to meet the installation requirements of the front, rear, left, and right technological positions in the installation project
Moreover, in the process of jacking up, it is difficult to control the process requirements of synchronous jacking, which is time-consuming, laborious, unsafe, and the installation effect is not good

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Such as figure 1 Shown is a schematic diagram of a counterweight hoisting method in Embodiment 1, and any rope operator of a crane can use it freely through simple training of the present invention.

[0020] The transportation of large-scale generators with a weight of more than 300 tons depends on D35 or D38 clamp-type railway transport vehicles in part. Among them, the installation of the object 6, that is, the vehicle accessories, is difficult, and it must be installed in a large generator with a weight of more than 300 tons. Generator base 7 bottoms 8 are installed four objects 6 and are vehicle accessories, and each object 6 is vehicle accessories and weighs 4 tons.

[0021] If according to the traditional installation method, object 6 i.e. the vehicle accessories are placed on the ground position earlier, then the large-scale generator support 7 of more than 300 tons is lifted to the pre-placed object 6 i. The micro-adjustment of the trolley and the trolley is al...

Embodiment 2

[0025] At the production site, there are many objects under the track of the bridge crane. According to the rules and regulations, the bridge crane cannot be directly used for crooked lifting. This problem can be solved by using the present invention. Such as figure 2 As shown, it is a schematic diagram of a method for counterweight hoisting in Embodiment 2:

[0026] The production workshop has an object 6 weighing 4 tons, that is, a transformer. In order not to occupy the effective operating area of ​​the production workshop, it is generally installed at the position 11 below the load-bearing column of the workshop.

[0027] Object 6 is the installation project of the transformer. The traditional installation method is to place a set of roller bars under the transformer, and then use a hoist to drag it to the installation location, which is time-consuming, laborious and inefficient.

[0028] The production workshop has a bridge crane 3 with a rated lifting capacity of 20 to...

Embodiment 3

[0031] Such as image 3 Shown is a schematic diagram of a method for hoisting counterweights in Embodiment 3. In the manufacturing process of large-scale generators, some objects 6, that is, bakelite parts, are to be installed on the inner chamber slope 14 of the generator 15. Using the present invention, by balancing Rod 1, after the counterweight 5 is added to the other side of the object 6, that is, the bakelite piece, for the inclination requirements of the installation process size of the object 6, that is, the bakelite piece, the object 6, that is, the bakelite piece, can be quickly adjusted by raising and lowering the chain hoist 4 The balance relationship with the counterweight 5 satisfies the technical requirements with high precision. Since the total weight of the object 6, that is, the bakelite part and the counterweight 5, can not exceed the rated lifting capacity of the crane 3, the hoisting is directly carried out with the crane 3, and the front, rear, left, and ...

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Abstract

The invention relates to a method of counterweight hoisting, and is characterized in that the method comprises the following steps: the hook of a crane is sheathed with the middle part of a hoisting cable; one end of the hoisting cable is tied to the tip of a balancing pole, a hand pulling block is arranged at the middle part of the other end of the hoisting cable, the tip is tied on the balancing pole, and the counterweight is arranged on the other end of the balancing pole; the hoisting cable on the tip of the balancing pole is tied on the object to be hoisted; when in hoist, the raising and the falling of the hand pulling block are utilized to control the weight or the level requirement of the counterweight, thereby quickly reaching the object balance; and then the crane can directly hoist the object to the destination. The method has the advantages of simpleness, strong practicability, reduced labor intensity, enhanced safety factor, improved production efficiency, and wide popularization value.

Description

technical field [0001] The invention relates to a counterweight hoisting method, which can solve the problem that crane equipment cannot directly hoist objects due to the limitation of the travel range of specific conditions, and belongs to the technical field of object hoisting. Background technique [0002] At the production site, there are many objects that are not within the effective travel range of the crane equipment, that is, because the lifting point of the object is not above the vertical line of the center of gravity of the object; after the object is lifted, the installation work surface is not at the position required by the process, and the crane cannot be directly used for hoisting Certain smaller or lighter workpieces are used to solve the problem of being installed at the bottom of larger or heavier workpieces. [0003] According to the traditional installation method, the objects to be installed should be placed on the lower layer in advance, and then the o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C13/08B66C13/04
Inventor 丛金钴徐东华冯建进陶屹东
Owner SHANGHAI ELECTRIC POWER GENERATION EQUIPMENT CO LTD
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