CN215645636U - Middle-sized switchgear assembly in prefabricated substation - Google Patents

Abstract

The utility model relates to the technical field of a preassembled transformer substation, in particular to a set of switchgear in the preassembled transformer substation, and solves the problem that the mounting and dismounting are inconvenient due to the fact that a switch is fixed through screws and screws slide in the prior art. Well suit switchgear in prepackage type transformer substation, including the transformer substation, this internal a plurality of switches that are equipped with of transformer substation, be equipped with the cavity in the wall of transformer substation, fixedly connected with extends to the driving plate in the cavity on the switch, be equipped with the fixed establishment who is used for fixed a plurality of switches in the cavity, sliding connection has polylith slide, polylith in the cavity all be equipped with the locking mechanism who prevents the switch not hard up on the slide. The utility model avoids using screws, avoids the difficulty in mounting and dismounting caused by screw sliding, and can avoid the influence of screw conduction on a circuit.

Description

Middle-sized switchgear assembly in prefabricated substation

Technical Field

The utility model relates to the technical field of a prefabricated substation, in particular to a set of switchgear in the prefabricated substation.

Background

The prefabricated substation generally exists in the form of a transformer box, the electrical connection is realized through a cable or a bus, all high-low voltage distribution devices and transformers are conventional shaped products, so that the unification of specifications can be realized, and meanwhile, the prefabricated substation has the advantages of small size, small occupied area, light weight, low manufacturing cost, reliability and the like, so that the prefabricated substation is widely used.

The transformer substation mainly comprises a leakage protector, a lead, a transformer, a switch and the like in a pre-installed transformer substation, wherein the switch plays an irreplaceable role in the use of a transformer substation box and can regulate input and output quantity and output and input lines.

The switch in the current prepackage type transformer substation is generally all complete sets, need carry out the fixed of switch when using, and current fixed mode is mostly through the fix with screw, and this kind of fixed mode needs special mounting tool to the screw is smooth silk easily when twisting, brings the trouble for installation and dismantlement, and the screw can electrically conduct simultaneously, when the screw was touched to the electric wire, causes the short-term upset of circuit easily, causes the potential safety hazard of circuit easily.

A complete set of switchgear in a pre-installed substation is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a set of switchgear in a preassembled transformer substation, which solves the problem that in the prior art, a switch is fixed through a screw, and the inconvenience is brought to the installation and the disassembly of a switch 1 due to the fact that the screw slides.

In order to achieve the purpose, the utility model adopts the following technical scheme:

well suit switchgear in prepackage type transformer substation, including the transformer substation, this internal a plurality of switches that are equipped with of transformer substation, be equipped with the cavity in the wall of transformer substation, fixedly connected with extends to the driving plate in the cavity on the switch, be equipped with the fixed establishment who is used for fixed a plurality of switches in the cavity, sliding connection has polylith slide, polylith in the cavity all be equipped with the locking mechanism who prevents the switch not hard up on the slide.

Preferably, fixed establishment is including rotating the threaded rod of connection in the cavity, the polylith slide and threaded rod threaded connection, be equipped with a plurality ofly on the transformer case inner wall and driving plate matched with direction mouth, be equipped with the round hole on the driving plate, fixedly connected with and round hole matched with cylinder on the slide.

Preferably, the left end of the threaded rod is fixedly connected with a rotating shaft, and a rotating handle is fixedly connected to the rotating shaft.

Preferably, locking mechanism is including setting up the transmission chamber in the cylinder, sliding connection has the baffle in the transmission chamber, the baffle passes through first spring elastic connection with the inner wall in transmission chamber, fixedly connected with runs through the wedge in transmission chamber on the baffle.

Preferably, the transformer box is connected with a support plate in a sliding mode, and the support plate is elastically connected with the inner wall of the transformer box through a second spring.

Preferably, be equipped with the intercommunication mouth that runs through the pivot in the threaded rod, contactless is equipped with the connecting rod in the intercommunication mouth, the left end of connecting rod extends to the outside of transformer case, the right-hand member and the backup pad fixed connection of connecting rod.

Preferably, two bearing plates are fixedly connected to the supporting plate, and a plurality of supporting blocks matched with the wedge-shaped blocks are fixedly connected to the bearing plates.

The utility model has at least the following beneficial effects:

1. through setting up fixed establishment and locking mechanism, realize the installation to the switch, when the threaded rod, the polylith slide slides and drives the cylinder and inject in the round hole, realizes the fixed to the switch, when the round hole was crossed to the wedge, first spring bounce-back for the wedge offsets with the driving plate lateral wall, realizes further firm.

2. Through setting up the connecting rod and supporting the piece, realize the dismantlement to the switch, when the dismantlement of switch is carried out to needs, the pulling connecting rod for the backup pad motion, thereby the loading board motion drives a plurality of movements of supporting the piece, and a plurality of pieces of supporting offset with the wedge, make the wedge get into the transmission intracavity, then the dismantlement can be accomplished to the reversal threaded rod.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic external structural diagram of a switchgear assembly in a preassembled transformer substation according to the present invention;

fig. 2 is a schematic diagram of the internal structure of a transformer box of the switchgear assembly in the preassembled transformer substation according to the present invention;

fig. 3 is a schematic view of the internal structure of a cavity of a set of switchgear in a preassembled transformer substation according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is an enlarged view of the structure at B in FIG. 3;

fig. 6 is a schematic diagram of the internal structure of the transmission cavity of the switchgear assembly in the preassembled transformer substation according to the present invention.

In the figure: 1. a power transformation box; 2. a switch; 3. a cavity; 4. a slide plate; 5. a threaded rod; 6. a drive plate; 7. a circular hole; 8. a cylinder; 9. a transmission cavity; 10. a first spring; 11. a wedge block; 12. turning a handle; 13. a support plate; 14. a second spring; 15. a communication port; 16. a connecting rod; 17. a carrier plate; 18. and (6) butting against blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-6, a complete set of switchgear in prepackage type transformer substation, including transformer case 1, be equipped with a plurality of switches 2 in the transformer substation body 1, be equipped with cavity 3 in the wall of transformer case 1, fixedly connected with extends to the driving plate 6 in the cavity 3 on the switch 2, is equipped with the fixed establishment who is used for fixed a plurality of switches 2 in the cavity 3, and sliding connection has polylith slide 4 in the cavity 3, all is equipped with the locking mechanism who prevents that switch 2 is not hard up on the polylith slide 4.

Further, can learn with reference to fig. 3 and 5, fixed establishment is including rotating the threaded rod 5 of connection in cavity 3, polylith slide 4 and 5 threaded connection of threaded rod, be equipped with a plurality ofly on the 1 inner wall of transformer case and driving plate 6 matched with direction mouth, driving plate 6 here has certain frictional force with the direction mouth, when dismantling, the automatic phenomenon that drops of switch 2 can not take place, be equipped with round hole 7 on the driving plate 6, fixedly connected with and round hole 7 matched with cylinder 8 on the slide 4, through setting up round hole 7 and cylinder 8, when the realization injects the round hole 7 at cylinder 8, the realization is fixed to switch 2.

Further, as can be seen from fig. 3 and 4, the left end of the threaded rod 5 is fixedly connected with a rotating shaft, and the rotating shaft is fixedly connected with a rotating handle 12, wherein the rotating handle 12 is composed of a plurality of shifting pieces. Thereby facilitating rotation of the twist grip 12.

Further, can learn with reference to fig. 5 and 6, locking mechanism is including setting up transmission chamber 9 in cylinder 8, sliding connection has the baffle in transmission chamber 9, the baffle passes through first spring 10 elastic connection with the inner wall in transmission chamber 9, fixedly connected with runs through wedge 11 in transmission chamber 9 on the baffle, through setting up spring 10 and wedge 11, realize when round hole 7 is crossed to wedge 11, first spring 10 rebounds, make wedge 11 offset with 6 lateral walls of driving plate, realize further firm.

Further, as can be known from fig. 3, a support plate 13 is slidably connected in the power transformation box 1, the support plate 13 is elastically connected with the inner wall of the power transformation box 1 through a second spring 14, and the second spring 14 is arranged to facilitate the reset of the support plate 13.

Further, as can be known by referring to fig. 3 and 4, a communication port 15 penetrating through the rotating shaft is formed in the threaded rod 5, a connecting rod 16 is arranged in the communication port 15 in a non-contact manner, the left end of the connecting rod 16 extends to the outer side of the power transformation box 1, the right end of the connecting rod 16 is fixedly connected with the supporting plate 13, and the threaded rod 5 does not obstruct the movement of the connecting rod 16 when the connecting rod 16 is pulled by the communication port 15.

Further, as can be known by referring to fig. 3, two bearing plates 17 are fixedly connected to the support plate 13, the supporting blocks 18 matched with the wedge blocks 11 are fixedly connected to the bearing plates 17, and by arranging the plurality of supporting blocks 8, when the connecting rod 16 is pulled, the bearing plates 17 move to drive the plurality of supporting blocks 18 to move, so that the wedge blocks 11 are pushed into the transmission cavity 9, and the disassembly is convenient.

The working principle is as follows: at first inject transmission plate 6 on switch 2 into cavity 3 in, make switch 2 offset with transformer case 1's inner wall, then rotate and change 12, make threaded rod 5 rotate, threaded rod 5 rotates and drives polylith slide 4 and slide, thereby wedge 11 enters into round hole 7 in, make the baffle motion, first spring 10 compression, when cylinder 8 enters into round hole 7 completely, realize fixing switch 2, when wedge 11 crosses round hole 7, first spring 10 rebounds, make wedge 11 offset with transmission plate 6 lateral wall, realize further firm.

When switch 2's dismantlement is carried out to needs, pulling connecting rod 16, because connecting rod 16 and intercommunication mouth 15 contactless, can not obstruct connecting rod 16's removal with threaded rod 5, connecting rod 16 moves and makes backup pad 13 move, thereby loading board 17 moves and drives a plurality of 18 movements of supporting, a plurality of supporting 18 offsets with wedge 11, make wedge 11 get into in the transmission chamber 9, then reverse threaded rod 5 can accomplish the dismantlement, it is worth noting, because driving plate 6 injects in cavity 3, and driving plate 6 has certain frictional force with the direction mouth, when dismantling, the automatic phenomenon that drops of switch 2 can not take place.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. Well suit switchgear in prepackage type transformer substation, including transformer case (1), its characterized in that, be equipped with a plurality of switches (2) in transformer case (1), be equipped with cavity (3) in the wall of transformer case (1), fixedly connected with extends to driving plate (6) in cavity (3) on switch (2), be equipped with the fixed establishment who is used for fixed a plurality of switches (2) in cavity (3), sliding connection has polylith slide (4) in cavity (3), the polylith all is equipped with on slide (4) and prevents the not hard up locking mechanical system of switch (2).

2. The switchgear assembly in a preassembled transformer substation according to claim 1, characterized in that the fixing mechanism includes a threaded rod (5) rotatably connected in the cavity (3), a plurality of sliding plates (4) are in threaded connection with the threaded rod (5), a plurality of guide openings matched with the transmission plate (6) are arranged on the inner wall of the transformer substation box (1), a circular hole (7) is arranged on the transmission plate (6), and a cylinder (8) matched with the circular hole (7) is fixedly connected to the sliding plate (4).

3. The switchgear assembly in a preassembled transformer substation according to claim 2, characterized in that a rotating shaft is fixedly connected to the left end of the threaded rod (5), and a rotating handle (12) is fixedly connected to the rotating shaft.

4. The switchgear assembly in a preassembled transformer substation according to claim 2, characterized in that the anti-loosening mechanism comprises a transmission cavity (9) arranged in the cylinder (8), a baffle is connected in the transmission cavity (9) in a sliding manner, the baffle is elastically connected with the inner wall of the transmission cavity (9) through a first spring (10), and a wedge block (11) penetrating through the transmission cavity (9) is fixedly connected to the baffle.

5. Set of switchgear in a preassembled transformer substation according to claim 4, characterized in that a support plate (13) is slidably connected in the transformer substation box (1), and the support plate (13) is elastically connected with the inner wall of the transformer substation box (1) through a second spring (14).

6. The switchgear assembly in a preassembled transformer substation according to claim 5, characterized in that a communication opening (15) penetrating through a rotating shaft is arranged in the threaded rod (5), a connecting rod (16) is arranged in the communication opening (15) in a contactless manner, the left end of the connecting rod (16) extends to the outer side of the transformer substation box (1), and the right end of the connecting rod (16) is fixedly connected with the supporting plate (13).

7. The switchgear assembly in a preassembled transformer substation according to claim 5, characterized in that two bearing plates (17) are fixedly connected to the supporting plate (13), and a plurality of abutting blocks (18) matched with the wedge blocks (11) are fixedly connected to the bearing plates (17).

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