CN217102732U

CN217102732U - Lifting appliance without lifting core for bell-type switch of transformer

Info

Publication number: CN217102732U
Application number: CN202220326598.3U
Authority: CN
Inventors: 张海峰; 沈海生; 叶星红
Original assignee: Hangzhou Qiantang River Electric Group Co Ltd
Current assignee: Hangzhou Qiantang River Electric Group Co Ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-08-02
Anticipated expiration: 2032-02-17

Abstract

The utility model provides a lifting core hoist is exempted from to transformer bell jar formula switch, including support piece, hanger plate and hoist cable, a plurality of angle adjustable hanger plates are installed to support piece's bilateral symmetry, the hanger plate is connected fixedly with support piece through tightly deciding the bolt, the hoist cable is connected with the top of hanger plate, the lower extreme of hanger plate is equipped with the lifting hook of outwards buckling to install the reinforcing plate. The lifting appliance is suitable for transformer manufacturing and switch maintenance, can realize the installation of a switch flange bolt under the condition of no lifting core, and greatly reduces the operation working hours and difficulty. The lifting appliance is compact and simple in overall structure and convenient to operate, and adopts a reinforcing plate and base plate structure, so that the lifting stability and reliability are improved, and safety accidents are effectively avoided.

Description

Lifting appliance without lifting core for bell-type switch of transformer

[ technical field ] A method for producing a semiconductor device

The utility model relates to a transformer loading and unloading are with technical field of hoist, especially a transformer bell jar formula switch exempts from lifting core hoist.

[ background of the invention ]

The transformer on-load tap-changer with a bell jar structure is characterized in that a switch body arranged on a body bracket is connected into a whole by a head flange fixed on a bell jar cover. When the bolts of the flange of the on-load tap changer of the existing transformer are installed, the switch core needs to be detached. The lifting of the switch core greatly increases the operation working hours and difficulty, and has potential safety hazards, so that the lifting-core-free lifting appliance of the transformer bell-type switch is provided.

[ Utility model ] content

The utility model aims at solving the problem among the prior art, providing a transformer bell jar formula switch and exempt from lifting core hoist, when installation switch flange bolt, need not the release switch core, can reduce the man-hour of operation and the degree of difficulty.

In order to achieve the above object, the utility model provides a lifting core hoist is exempted from to transformer bell jar formula switch, including support piece, hanger plate and hoist cable, a plurality of angle adjustable hanger plates are installed to support piece's bilateral symmetry, the hanger plate is connected fixedly with support piece through tightly deciding the bolt, the hoist cable is connected with the top of hanger plate, the lower extreme of hanger plate is equipped with the lifting hook of outwards buckling to install the reinforcing plate.

Preferably, the supporting member comprises a supporting beam and base plates welded at two ends of the supporting beam, and the upper part of the hanger plate is fixedly connected with the base plates through fastening bolts.

Preferably, the hanger plate further comprises a web plate, the lower end of the web plate is provided with an outward bending hook, the top of the web plate is provided with a hanging hole, and the sling is connected with the hanging hole of the web plate.

Preferably, the reinforcing plate is L-shaped, and the reinforcing plate is welded at the joint of the web and the lifting hook.

Preferably, the web includes from last to lower upper junction plate, transition connecting plate and the lower connecting plate that sets gradually, the width of upper junction plate is greater than the width of lower connecting plate, the transition connecting plate has between the two, the upper end of upper junction plate is equipped with the lewis hole, the lower extreme of lower connecting plate is equipped with the lifting hook of outwards buckling.

Preferably, reinforcing plates are symmetrically welded on two sides of the joint of the lifting hook and the lower connecting plate.

Preferably, a reinforcing flange is further arranged on the outer edge of one side of the hanging hole.

Preferably, the upper end surface of the lifting hook is also provided with a non-slip mat.

The utility model has the advantages that: the utility model discloses a cooperation of support piece, hanger plate and hoist cable etc. is applicable to transformer manufacturing and switch maintenance, can realize the installation of switch flange bolt under the core sling condition exempting from, greatly reduced man-hour and the degree of difficulty of operation. The lifting appliance is compact and simple in overall structure and convenient to operate, and adopts a reinforcing plate and base plate structure, so that the lifting stability and reliability are improved, and safety accidents are effectively avoided. In addition, the hanger plate can adjust the angle range to adapt to the switch body size of various different models.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic structural view of a transformer bell-type switch core-free hanger of the present invention;

fig. 2 is an enlarged schematic structural diagram of a position a of the transformer bell-type switch hoisting-core-free hanger of the present invention.

[ detailed description ] embodiments

Referring to fig. 1, the utility model relates to a transformer bell jar formula switch exempts from lifting core hoist, including support piece 10, hanger plate 20 and hoist cable 7, a plurality of angle adjustable hanger plates 20 are installed to support piece 10's bilateral symmetry, hanger plate 20 is connected fixedly through tightly deciding bolt 6 and support piece 10, hoist cable 7 is connected with hanger plate 20's top, hanger plate 20's lower extreme is equipped with the lifting hook 4 of outwards buckling to install reinforcing plate 5.

Further, the supporting member 10 includes a supporting beam 1 and backing plates 2 welded to both ends of the supporting beam 1, and the upper portion of the hanger plate 20 is connected and fixed to the backing plates 2 by fastening bolts 6.

Further, the hanger plate 20 further comprises a web plate 3, the lower end of the web plate 3 is provided with an outward bending hook 4, the top of the web plate 3 is provided with a hanging hole 34, and the sling 7 is connected with the hanging hole 34 of the web plate 3. In addition, a reinforcing flange 341 is further disposed at an outer edge of one side of the hanging hole 34, so that the supporting strength of the hanging hole 34 is improved.

Further, the reinforcing plate 5 is L-shaped, and the reinforcing plate 5 is welded at the joint of the web 3 and the lifting hook 4. Specifically, in this embodiment, web 3 includes from last to the upper junction plate 31, transition connecting plate 32 and the lower connecting plate 33 that sets gradually down, the width of upper junction plate 31 is greater than the width of lower connecting plate 33 has transition connecting plate 32 between the two, the upper end of upper junction plate 31 is equipped with lewis hole 34, the lower extreme of lower connecting plate 33 is equipped with the lifting hook 4 of outside buckling. Reinforcing plates 5 are symmetrically welded on two sides of the joint of the lifting hook 4 and the lower connecting plate 33.

Further, referring to fig. 2, the upper end surface of the hook 4 is further provided with a non-slip mat 41, so that the stability of the support is improved.

The utility model discloses the working process:

the utility model relates to a core hoist is exempted from to hang by transformer bell jar formula switch, before the use, adjusts the installation angle of hanger plate 20 as required to with tightly decide bolt 6 with support piece 10 and hanger plate 20 fixed connection. When the bolt installing device is used, the upper lifting hole 341 of the web plate 3 is connected with the lifting rope 7, the lifting hook 4 is matched with the inner edge of the switch body 30, the switch body 30 and the switch flange thereof move in place under the driving of the lifting rope 7, and then the subsequent bolt installing operation can be carried out. Compared with the traditional hanger structure, the hanger can realize the hanging of the switch body 30 without a hanging core, thereby greatly reducing the operation time; the reinforcing plate 4 and the base plate 2 are adopted, so that the lifting stability and reliability are improved, and safety accidents are effectively avoided.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. The utility model provides a transformer bell jar formula switch exempts from to hang core hoist which characterized in that: including support piece (10), hanger plate (20) and hoist cable (7), hanger plate (20) of a plurality of angularly adjustable are installed to the bilateral symmetry of support piece (10), hanger plate (20) are connected fixedly through tightly deciding bolt (6) and support piece (10), hoist cable (7) are connected with the top of hanger plate (20), the lower extreme of hanger plate (20) is equipped with lifting hook (4) of outside buckling to install reinforcing plate (5).

2. The transformer bell-jar switch core-hanging-free hanger of claim 1, wherein: the supporting piece (10) comprises a supporting beam (1) and base plates (2) welded at two ends of the supporting beam (1), and the upper portion of the hanging plate (20) is fixedly connected with the base plates (2) through fastening bolts (6).

3. The transformer bell-jar switch core-hanging-free hanger of claim 1, wherein: the hanger plate (20) further comprises a web plate (3), the lower end of the web plate (3) is provided with an outward-bent lifting hook (4), the top of the web plate (3) is provided with a lifting hole (34), and the sling (7) is connected with the lifting hole (34) of the web plate (3).

4. The transformer bell-jar switch core-hanging-free hanger of claim 3, wherein: reinforcing plate (5) are the L font, reinforcing plate (5) weld in the junction of web (3) and lifting hook (4).

5. The transformer bell-jar switch core-hanging-free hanger of claim 3, wherein: web (3) are including from last upper junction plate (31), transition connecting plate (32) and lower connecting plate (33) that set gradually extremely down, the width of upper junction plate (31) is greater than the width of lower connecting plate (33), transition connecting plate (32) have between the two, the upper end of upper junction plate (31) is equipped with lewis hole (34), the lower extreme of lower connecting plate (33) is equipped with lifting hook (4) of outwards buckling.

6. The transformer bell-jar switch core-hanging-free hanger of claim 5, wherein: reinforcing plates (5) are symmetrically welded on two sides of the joint of the lifting hook (4) and the lower connecting plate (33).

7. The transformer bell-type switch hoisting core-free hanger according to claim 3 or 5, wherein: and a reinforcing flange (341) is also arranged on the outer edge of one side of the lifting hole (34).

8. The transformer bell-jar switch core-hanging-free hanger of claim 1, wherein: and the upper end surface of the lifting hook (4) is also provided with an anti-skid pad (41).