CN104495659A - 110kV and above voltage transformer coil lifting device - Google Patents

Abstract

The invention discloses a transformer coil hoisting device with a voltage level of 110kV and above, which includes an upper hanger connected with a lifting oil cylinder, the lifting oil cylinder is controlled and started by a hydraulic station, and the lower part of the lifting oil cylinder is connected with a length-adjustable hoisting cylinder. claw mechanism. The lifting cylinder controlled by the hydraulic station moves accurately and quickly, and the lifting device is easy to operate, reducing the labor intensity of the operator; at the same time, the length of the lifting claw mechanism can be adjusted, and the position of the lifting cylinder can be adjusted according to the shape of the coil. The coil lifting device can meet Demand for different types of products. The invention has the advantages of reasonable and compact structure, convenient use and wide application range.

Description

110kV and above voltage transformer coil lifting device

technical field

The invention relates to a transformer assembly, in particular to a transformer coil lifting device.

Background technique

With the development of the economy, the demand for electricity has increased significantly. Whether it is an industrial area or a commercial and residential area, a large number of transformers are used everywhere. Emerging transformers began to use a large number of three-dimensional wound cores. When the coils of traditional power transformers are hoisted, most of them use slings to lift the coils or lift the coils from the bottom with a jack. The lifting of the coils of the three-dimensional wound core transformer body is no longer suitable for traditional slings or jacks from the bottom. way, its lifting requires new installations.

Contents of the invention

In order to overcome the disadvantages of the above-mentioned prior art, the present invention provides a novel coil lifting device, which brings convenience to users.

The technical solution adopted by the present invention to solve its technical problems is:

110kV and above voltage level transformer coil hoisting device, including an upper hanger, the upper hanger is connected with a lifting cylinder, the lifting cylinder is controlled by a hydraulic station, and the lower part of the lifting cylinder is connected with an adjustable length claw mechanism.

As an improvement of the above technical solution, the lifting claw mechanism includes a screw rod, the upper end of the screw rod is connected to the core rod of the lifting cylinder, and the lower end is connected to the lower hanging plate through threads, and the lower part of the lower hanging plate is equipped with a hook upper plate. A suspension hook is installed on the lower part of the upper plate of the suspension hook.

As a further improvement of the above technical solution, the hook includes a riser, and a lug is provided on both sides of the upper end of the riser, one of the two lugs is provided with a threaded hole in the center, and the other is provided with a corresponding through hole. hole; the upper plate of the hook is provided with a second lug matching the lug, and the center of the second lug is provided with a corresponding through hole, and the upper plate of the hook can be connected to the upper plate of the hook by screws. Connect the above hook.

Further, the lower end of the riser is provided with claws, and the angle between the claws and the riser is 88°.

Further, the upper part of the lifting oil cylinder is provided with lifting lugs, and a hanging plate is installed on the lifting lugs, and the lifting plate is installed at the lower end of the upper hanger.

Further, the lifting cylinder is a one-way cylinder.

Further, the coil hoisting device also includes a lower hanger, and the lower hanger is provided with a mechanism for supporting the coil

Further, the hydraulic station controlling the lifting cylinder is controlled by PLC.

The beneficial effects of the present invention are: the coil hoisting device can quickly and smoothly hoist and transport the coil through the upper hanger and its connected hoisting oil cylinder and hoisting claw mechanism; It is simple and reduces the labor intensity of the operator; in addition, the length of the lifting claw mechanism can be adjusted, and the position of the lifting cylinder can be adjusted according to the shape of the coil. The coil lifting device can meet the needs of different types of products and has strong applicability. The invention has the advantages of reasonable and compact structure, convenient use and wide application range.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation of lifting oil cylinder and hanging claw mechanism in the present invention;

Fig. 3 is the structural representation of suspension hook among the present invention;

Fig. 4 is a schematic structural view of the upper plate of the hook in the present invention;

Fig. 5 is a structural schematic diagram of the lifting cylinder in the present invention.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

Referring to Figures 1 to 5, the lifting device for transformer coils with a voltage level of 110kV and above of the present invention includes an upper hanger 1, and the upper hanger 1 is connected with a lifting oil cylinder 3, and the lifting oil cylinder 3 is controlled and started by a hydraulic station. The lower part of the lifting oil cylinder 3 is connected with a length-adjustable hanging claw mechanism 4 . With the above structure, the lifting cylinder 3 controlled by the hydraulic station moves accurately and quickly, the operation of the lifting device is simple, and the labor intensity of the operator is reduced; at the same time, the length of the lifting claw mechanism 4 can be adjusted, and the position of the lifting cylinder 3 can be adjusted according to the shape of the coil Adjustment, the coil lifting device can meet the needs of different models of products.

In this embodiment, preferably, the hanging claw mechanism 4 includes a screw rod 41, the upper end of the screw rod 41 is connected to the core rod of the lifting oil cylinder 3, and the lower end is connected to the lower hanging plate 42 through threads, and the lower end of the lower hanging plate 42 is A suspension hook upper plate 43 is installed, and a suspension hook 44 is installed on the lower part of the suspension hook upper plate 43 . With the above structure, the length of the hanging claw mechanism 4 can be adjusted through the screw rod 41 and the lower hanging plate 42 to meet the requirements of different types of transformers.

In this embodiment, preferably, the hook 44 includes a riser 441, and a lug 442 is provided on both sides of the upper end of the riser 441, and a threaded hole is provided in the center of one of the two lugs 441. The other is provided with a corresponding through hole; the hook upper plate 43 is provided with a second lug 431 that is compatible with the lug 442, and the center of the second lug 431 is provided with a corresponding through hole. The hook upper plate 43 can be connected with the hook 44 . Preferably, the lower end of the vertical plate 441 is provided with a claw 443, and the angle between the claw 443 and the vertical plate 441 is 88°. With the above structure, the hook mechanism 4 is easy to install and easy to implement. In addition, the 88° angle between the hook claw 443 and the vertical plate 441 ensures that the coil is not easy to fall off during hoisting.

In this embodiment, preferably, the upper part of the lifting cylinder 3 is provided with lifting lugs 301 , and the lifting lugs 301 are mounted with the upper hanging plate 5 , and the upper hanging plate 5 is installed at the lower end of the upper hanger 1 . By adopting the above structure, the lifting oil cylinder 3 can be disassembled and assembled quickly, and the maintenance is convenient.

In this embodiment, preferably, the lifting cylinder 3 is a one-way cylinder.

In this embodiment, preferably, the coil lifting device further includes a lower hanger 2, and the lower hanger 2 is provided with a mechanism for supporting the coil. By adopting the above structure, the support mechanism provided by the lower hanger 2 is convenient for the hanging claw mechanism 4 to hook the coil, and the position of the coil is accurate and the operation is standardized.

In this embodiment, preferably, the hydraulic station controlling the lifting cylinder 3 is controlled by PLC, and the coil can be lifted to the height and position required by the process more accurately and quickly through PLC control of the cylinder, so as to speed up the assembly speed of the coil.

If the hoisting oil cylinder 3 of the coil hoisting device is replaced with a compression oil cylinder, it can be used to compress the coil, and the coil hoisting device becomes a coil pressing device, which has diversified functions and a wider range of applications.

The above is only a preferred embodiment of the present invention, but the present invention is not limited to the above-mentioned embodiments, as long as it achieves the technical effect of the present invention by any same or similar means, it should fall within the protection scope of the present invention Inside.

Claims (8)

1.110kV and above transformer coil lifting appliance, it is characterized in that: include over sling (1), described over sling (1) is connected with lifting oil cylinder (3), described lifting oil cylinder (3) is controlled to start by Hydraulic Station, and described lifting oil cylinder (3) bottom is connected with the Diao Zhao mechanism (4) of adjustable-length.

2. 110kV according to claim 1 and above transformer coil lifting appliance, it is characterized in that: described Diao Zhao mechanism (4) includes screw mandrel (41), described screw mandrel (41) upper end connects the core bar of lifting oil cylinder (3), lower end is threaded connection lower boatswain chair (42), described lower boatswain chair (42) bottom is provided with suspension hook upper plate (43), and described suspension hook upper plate (43) bottom is provided with suspension hook (44).

3. 110kV according to claim 2 and above transformer coil lifting appliance, it is characterized in that: described suspension hook (44) includes riser (441), described riser (441) both sides, upper end respectively arrange a journal stirrup (442), two described one of them centers of journal stirrup (442) arrange tapped bore, and another arranges corresponding through hole; Described suspension hook upper plate (43) is provided with second journal stirrup (431) suitable with described journal stirrup (442), described second journal stirrup (431) center arranges corresponding through hole, described suspension hook upper plate (43) and described suspension hook (44) can be coupled together by screw.

4. 110kV according to claim 3 and above transformer coil lifting appliance, it is characterized in that: described riser (441) lower end is provided with hook (443), the angle between described hook (443) and riser (441) is 88 °.

5. 110kV according to claim 4 and above transformer coil lifting appliance, it is characterized in that: described lifting oil cylinder (3) top is provided with hanger (301), described hanger (301) is provided with boatswain chair (5), described upper boatswain chair (5) is installed on over sling (1) lower end.

6. 110kV according to claim 5 and above transformer coil lifting appliance, is characterized in that: described lifting oil cylinder (3) is unidirectional oil cylinder.

7. 110kV according to claim 6 and above transformer coil lifting appliance, is characterized in that: coil lifting appliance also includes a lower suspension bracket (2), and described lower suspension bracket (2) is provided with the mechanism of supporting coil.

8. 110kV according to claim 7 and above transformer coil lifting appliance, is characterized in that: the described Hydraulic Station controlling lifting oil cylinder (3) is controlled by PLC.