CN218102510U - A distribution network connection structure - Google Patents

Abstract

The utility model discloses a power distribution network connection structure, which comprises a fixed seat, wherein the fixed seat is positioned above a pole tower; four positioning columns are arranged and symmetrically distributed around the fixed seat; the limiting mechanism is positioned on the inner wall of the positioning column; supporting mechanism, supporting mechanism is located the fixing base top, this distribution network connection structure, fix a position isolator's four corners through the reference column, and make the reference column insert the isolator inner wall, supporting mechanism through setting up can cushion the isolator bottom, installer control stop gear is by reference column inner wall roll-off simultaneously, and spacing to isolator base top, mutually support in order to accomplish the fixed to isolator through stop gear and supporting mechanism, and easy operation does not need the staff to fix isolator all around round isolator through the bolt, the time that the staff stopped at the eminence has been reduced, reduce the installation risk.

Description

A distribution network connection structure

technical field

The utility model relates to the technical field of distribution networks, in particular to a distribution network connection structure.

Background technique

The distribution network is composed of overhead lines, cables, towers, distribution transformers, isolating switches, reactive power compensators and some ancillary facilities, etc. It plays an important role in distributing electric energy in the power network. "), generally refers to high-voltage isolating switches, that is, isolating switches with a rated voltage of kV and above, usually referred to as isolating switches, are the most widely used high-voltage switching appliances, and their working principle and structure are relatively simple , but due to the large amount of use and high reliability requirements, it has a greater impact on the design, establishment and safe operation of substations and power plants. The main feature of the isolating switch is that it has no arc extinguishing ability, and it can only divide and close the circuit without load current. The tower is one of the basic equipment in the overhead power distribution line. According to the material used, it can be divided into wooden poles, cement poles and Three types of metal rods.

During the erection of the distribution network, the isolation switch needs to be fixed on the top of the tower. In the existing installation method, the staff generally climbs to the top of the tower, and the isolation switch is hoisted to the installation position by a crane. The isolating switch is initially fixed on the top of the tower, and then the isolating switch is leveled so that it is in a horizontal state and then completely fixed. To this end, we propose a distribution network connection structure.

Utility model content

The purpose of this utility model is to provide a distribution network connection structure to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a distribution network connection structure, including a fixed seat, the fixed seat is located above the pole tower; positioning columns, four positioning columns are arranged, and are symmetrically distributed around the fixed seat; Position mechanism, the limit mechanism is located on the inner wall of the positioning column, and the limit mechanism can extend from the inner wall of the four positioning columns at the same time to limit the position above the base of the isolation switch; the support mechanism, the support mechanism is located above the fixed seat, the support mechanism and the limit mechanism Jointly clamp and fix the upper and lower sides of the isolation switch base.

Preferably, the limit mechanism includes a push rod arranged on the inner wall of the positioning column, the inner wall of the positioning column is provided with a communication groove that can be slidably connected with the push rod, a limit block is provided on the outside of the push rod, and a slider is fixedly connected to the outside of the limit block, communicating with each other. The inner wall of the groove is provided with a chute that can be slidably connected with the slider. One end of the slider is fixedly connected with a return spring 1, and one end of the return spring 1 is fixedly connected with the chute. The top of the push rod is fixedly connected with a return spring 2. It is fixedly connected with the inner wall of the communication groove, and the end of the plurality of push rods away from the return spring 2 is provided with a driving member capable of simultaneously driving the plurality of push rods to move.

Preferably, the driving member includes a connecting plate arranged under the plurality of push rods, the connecting plate is slidably connected to the inner wall of the fixed seat, a first slanting block is fixedly connected under the connecting plate, and a second slanting block is slidably connected below the first slanting block, The second slanting block is slidingly connected to the inner wall of the fixing seat, and the inner wall of the fixing seat is provided with a positioning piece capable of fixing the second slanting block.

Preferably, the positioning member includes a positioning block arranged on the inner wall of the fixed seat, the inner wall of the fixed seat is provided with a moving groove capable of slidingly connecting with the positioning block, one end of the positioning block is fixedly connected with a compression spring, and one end of the compression spring is fixedly connected with the inner wall of the moving groove. The inner wall of the second inclined block is provided with a plurality of positioning slots capable of engaging with the positioning block.

Preferably, the supporting mechanism includes a rubber pad arranged under the disconnector switch, the rubber pad is fixedly connected to the top of the fixing seat, and the rubber pad is slidably connected to the positioning column.

Preferably, the shape of one end of the push rod close to the return spring 2 is trapezoidal.

Preferably, one end of the limit block close to the push rod is provided with an oblique end.

Preferably, the upper shape of the positioning column is conical.

Compared with the prior art, the beneficial effects of the utility model are:

When the utility model is in use, the staff lifts the isolating switch to the top of the fixed seat by a crane, positions the four corners of the isolating switch through the positioning column, and inserts the positioning column into the inner wall of the isolating switch, and the isolating switch can be adjusted by the supporting mechanism provided. The bottom is buffered. At the same time, when the isolating switch is lowered to a certain height along the positioning column, the installer controls the limit mechanism to slide out from the inner wall of the positioning column at the same time, and limits the position above the base of the isolating switch. The limit mechanism and the supporting mechanism cooperate with each other. In order to complete the fixing of the isolating switch, the operation is simple, and the staff does not need to go around the isolating switch to fix the surrounding of the isolating switch with bolts, which reduces the time for the staff to stay at high places and reduces the installation risk.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a schematic diagram of a top view of the structural positioning column of the present invention;

Fig. 3 is a schematic cross-sectional schematic diagram of the main view of the structural positioning column of the present invention;

Fig. 4 is a top view sectional schematic diagram of the structural positioning member of the present invention;

Fig. 5 is a schematic front view of the structural positioning column of the present invention.

In the figure: 1-fixed seat; 2-positioning column; 3-limiting mechanism; 30-push rod; 31-communication groove; 32-limiting block; 33-slider; 34-chute; ; ; 315-positioning slot; 316-slanted end; 4-support mechanism; 40-rubber pad; 5-pole tower; 6-isolating switch.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment one

Please refer to Figures 1-4, the utility model provides a technical solution: a distribution network connection structure, including a fixed seat 1, which is fixedly connected to the top of the pole tower 5; a positioning column 2, and the positioning column 2 is provided with four , and symmetrically distributed around the fixed seat 1, the positioning column 2 is fixedly connected with the fixed seat 1; the limit mechanism 3, the limit mechanism 3 is located on the inner wall of the positioning column 2, and the limit mechanism 3 can be protruded from the inner walls of the four positioning columns 2 at the same time Thereby, the upper and lower sides of the isolating switch 6 base are limited; the supporting mechanism 4, the supporting mechanism 4 is located above the fixed seat 1, and the supporting mechanism 4 and the limiting mechanism 3 jointly clamp and fix the upper and lower sides of the isolating switch 6 base. , the worker lifts the isolating switch 6 to the top of the fixing seat 1 by a crane, positions the four corners of the isolating switch 6 through the positioning column 2, and inserts the positioning column 2 into the inner wall of the isolating switch 6, and the isolating switch 6 can be isolated by the set supporting mechanism 4. The bottom of the switch 6 is buffered. At the same time, when the isolation switch 6 is lowered to a certain height along the positioning column 2, the installer controls the limit mechanism 3 to slide out from the inner wall of the positioning column 2 at the same time, and limits the top of the isolation switch 6 base. The positioning mechanism 3 and the support mechanism 4 cooperate with each other to complete the fixing of the isolating switch 6. The operation is simple, and it is not necessary for the staff to fix the isolating switch 6 around the isolating switch 6 with bolts, which reduces the time for the staff to stay at high places , reduce installation risk.

Position-limiting mechanism 3 comprises the push rod 30 that is positioned at positioning post 2 inwalls, and push rod 30 is trapezoidal in shape near back-moving spring 2 36 one ends, and positioning post 2 inwalls are provided with the communicating groove 31 that can be slidably connected with push rod 30, stop block 32 Located on the outside of the push rod 30, the end of the limit block 32 near the push rod 30 is provided with an inclined end 316, the outside of the limit block 32 is fixedly connected with the slider 33, and the inner wall of the communication groove 31 is provided with a chute that can be slidably connected with the slider 33 34. One end of the slider 33 is fixedly connected with a return spring one 35, one end of the return spring one 35 is fixedly connected with the chute 34, and the top of the push rod 30 is fixedly connected with a return spring two 36, and one end of the return spring two 36 is fixedly connected with the inner wall of the communication groove 31 One end of a plurality of push rods 30 away from the return spring 2 36 is provided with a driver 37 that can simultaneously drive a plurality of push rods 30 to move. , the push rod 30 slides along the inner wall of the communication groove 31 and squeezes the return spring 2 36, while the trapezoidal hypotenuse of the push rod 30 pushes the oblique end 316 of the stop block 32, thereby pushing the stop block 32 along the communication groove 31 The inner wall slides outwards, and the stop block 32 drives the slide block 33 to slide along the inner wall of the chute 34 and extrudes the return spring one 35, and the stop block 32 slides out of the positioning column 2 inner wall to limit the top of the isolating switch 6 base.

The driver 37 includes a connecting plate 38 that is fixedly connected to the bottom of a plurality of push rods 30 at the same time. The connecting plate 38 is slidably connected to the inner wall of the fixed seat 1. A first slanting block 39 is fixedly connected to the bottom of the connecting plate 38, and the first slanting block 39 slides downward. Connected with the second inclined block 310, the second inclined block 310 is slidingly connected with the inner wall of the fixed seat 1, the first inclined block 39 and the second inclined block 310 are at 90°, and the inner wall of the fixed seat 1 is provided with the second inclined block 310. When the fixed positioning part 311 and the driving part 37 work, the staff releases the positioning of the positioning part 311 to the second slanting block 310, and the staff pushes the second slanting block 310 to slide along the inner wall of the fixed seat 1, and the second slanting block 310 moves so that The hypotenuse of the second slanting block 310 squeezes the hypotenuse of the first slanting block 39, and pushes the first slanting block 39 to move upwards, and the first slanting block 39 pushes the connecting plate 38 to slide upwards to cooperate and drive a plurality of push rods 30 upwards at the same time. Move, when the limiting block 32 slides out of the inner wall of the positioning column 2, the second slanting block 310 is limited again by the positioning member 311 to cooperate with fixing the second slanting block 310, so that the limiting block 32 is in the position of the isolating switch 6 The state of the upper limit.

The positioning piece 311 includes a positioning block 312 located on the inner wall of the fixed seat 1. The inner wall of the fixed seat 1 is provided with a moving groove 313 that can be slidably connected with the positioning block 312. One end of the positioning block 312 is fixedly connected with a compression spring 314, and one end of the compression spring 314 is connected to the moving groove. The inner wall of 313 is fixedly connected, and the inner wall of the second inclined block 310 is provided with a plurality of positioning grooves 315 that can be engaged with the positioning block 312. When the positioning piece 311 is working, the staff pushes the positioning block 312, and the positioning block 312 slides along the inner wall of the moving groove 313 Thereby squeeze the compression spring 314, and make the positioning block 312 separate from the positioning groove 315 on the inner wall of the second inclined block 310, when the second inclined block 310 is positioned, the positioning block 312 is released, and the compression spring 314 in the compressed state pushes The positioning block 312 slides along the inner wall of the moving slot 313 and engages with the corresponding positioning slot 315 of the second slanting block 310 to cooperate to position the second slanting block 310 .

The support mechanism 4 includes a rubber pad 40 located below the isolation switch 6, the rubber pad 40 is fixedly connected to the top of the fixed seat 1, and the rubber pad 40 is slidingly connected to the positioning column 2. When the isolation switch 6 is placed above the rubber pad 40, the rubber pad 40 Buffer the falling isolating switch 6, and at the same time, the deformation of the rubber pad 40 will generate an upward thrust to the isolating switch 6. When the isolating switch 6 is between the rubber pad 40 and the limit block 32, the rubber pad 40 pushes the isolating switch 6 Squeeze the limit block 32 to limit the isolation switch 6 .

Embodiment two

As shown in Fig. 5 , in the second embodiment, other structures remain unchanged, and the difference from the first embodiment is that the upper part of the positioning post 2 is conical in order to facilitate the insertion of the positioning post 2 into the inner wall of the isolating switch 6 .

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or apparatus.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (8)

1. A distribution network connection structure, characterized in that: comprising: A fixed seat (1), the fixed seat (1) is located above the pole tower (5); There are four positioning columns (2), and four positioning columns (2) are symmetrically distributed around the fixing seat (1); The limit mechanism (3), the limit mechanism (3) is located on the inner wall of the positioning column (2), and the limit mechanism (3) can be protruded from the inner walls of the four positioning columns (2) at the same time so that the isolation switch (6) ) limit above the base; The support mechanism (4), the support mechanism (4) is located above the fixed seat (1), the support mechanism (4) and the limit mechanism (3) jointly clamp the upper and lower sides of the base of the isolation switch (6) fixed. 2. A distribution network connection structure according to claim 1, characterized in that: the limit mechanism (3) includes a push rod (30) arranged on the inner wall of the positioning column (2), and the positioning column ( 2) The inner wall is provided with a communication groove (31) that can be slidably connected with the push rod (30). Block (33), the inner wall of the communication groove (31) is provided with a chute (34) that can be slidably connected with the slider (33), and one end of the slider (33) is fixedly connected with a return spring one (35), so Described return spring one (35) one end is fixedly connected with chute (34), described push rod (30) top is fixedly connected with return spring two (36), and described return spring two (36) one end is connected with communicating groove (31) The inner walls are fixedly connected, and one end of the plurality of push rods (30) away from the return spring two (36) is provided with a drive member (37) capable of simultaneously driving the plurality of push rods (30) to move. 3. A distribution network connection structure according to claim 2, characterized in that: the driving member (37) includes a connecting plate (38) arranged under a plurality of push rods (30), and the connecting plate (38) is slidably connected with the inner wall of the fixed seat (1), and a first slanting block (39) is fixedly connected below the connecting plate (38), and a second slanting block (39) is slidably connected below the first slanting block (39) ( 310), the second slanting block (310) is slidingly connected to the inner wall of the fixing seat (1), and the inner wall of the fixing seat (1) is provided with a positioning piece (311) capable of fixing the second slanting block (310). 4. A distribution network connection structure according to claim 3, characterized in that: the positioning member (311) includes a positioning block (312) arranged on the inner wall of the fixing seat (1), and the fixing seat (1) ) inner wall is provided with a moving groove (313) that can be slidably connected with the positioning block (312), and one end of the positioning block (312) is fixedly connected with a compression spring (314), and one end of the compression spring (314) is connected with the moving groove (313) ) inner wall is fixedly connected, and the inner wall of the second inclined block (310) is provided with a plurality of positioning slots (315) capable of engaging with the positioning block (312). 5. A distribution network connection structure according to claim 1, characterized in that: the support mechanism (4) includes a rubber pad (40) arranged below the disconnector (6), and the rubber pad (40) ) is fixedly connected with the top of the fixed seat (1), and the rubber pad (40) is slidably connected with the positioning column (2). 6. The distribution network connection structure according to claim 2, characterized in that: the end of the push rod (30) close to the return spring 2 (36) is trapezoidal in shape. 7. The distribution network connection structure according to claim 2, characterized in that: the end of the limit block (32) close to the push rod (30) is provided with an oblique end (316). 8. A distribution network connection structure according to claim 1, characterized in that: the upper shape of the positioning column (2) is conical.

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