CN111525432A

CN111525432A - Prefabricated substation with external incoming line bus bridge

Info

Publication number: CN111525432A
Application number: CN202010502936.XA
Authority: CN
Inventors: 李沛静; 武天佑; 史慧超; 梁姗姗; 李苹; 姚豪壮; 张光正
Original assignee: T Young Electric Co ltd
Current assignee: T Young Electric Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2020-08-11

Abstract

The invention belongs to the technical field of prefabricated substations, and discloses a prefabricated substation with an external incoming bus bridge, which comprises a substation box body, wherein a substation top cover is arranged at the top of the substation box body, two heat dissipation channels are arranged at one side of the substation box body, the other side of the substation box body is fixedly connected with a bus bridge shell through a support, the bus bridge top cover is arranged at the top of the bus bridge shell, and an insulating sleeve penetrates through the position, close to one side of the bus bridge shell, of the side wall of the substation box body. The use effect is good, and the service life of the device is greatly prolonged.

Description

Prefabricated substation with external incoming line bus bridge

Technical Field

The invention belongs to the technical field of prefabricated substations, and particularly relates to a prefabricated substation with an external incoming line bus bridge.

Background

The box-type transformer substation is divided into a preassembled transformer substation or a non-preassembled transformer substation, wherein the preassembled transformer substation is a complete transformer substation which is manufactured and assembled in a factory in advance at the tail end of a medium-voltage distribution network, comprises a transformer, high-voltage switch equipment and control equipment, low-voltage switch equipment and control equipment, internal wiring, metering, compensating, a lightning arrester and other auxiliary equipment, is configured in a public shell or a group of shells, passes a type test according to corresponding standards, and has the characteristics of small volume, small occupied area, light weight, low manufacturing cost and the like.

The current prepackage type transformer substation of taking external inlet wire generating line bridge has more defect at the in-process that uses, for example, for guaranteeing the normal operating of equipment such as internal transformer, set up the vent at the box lateral wall usually and dispel the heat, but a long heat-radiating hole department of time can pile up a large amount of dust cotton fibre, lead to the filter screen on the heat-radiating hole to be blockked up by a large amount of dust cotton fibre, and the dust cotton fibre is difficult to get rid of, thereby influence the radiating effect, reducing means life, in addition, because the generating line bridge is external at the box outer wall of transformer substation, therefore the cable need pass the box of transformer substation and be connected rather than internal device, and the part that the cable runs through the box of transformer substation is difficult.

Disclosure of Invention

The invention aims to provide a preassembled transformer substation with an external incoming line bus bridge, which aims to solve the problems that dust cotton wool at a heat radiation opening is difficult to remove and a part of a cable penetrating through a box body is difficult to fix in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a preassembled transformer substation with an external incoming line bus bridge comprises a transformer substation box body, wherein a transformer substation top cover is installed at the top of the transformer substation box body, two heat dissipation channels are formed in one side of the transformer substation box body, the other side of the transformer substation box body is fixedly connected with a bus bridge shell through a support, a bus bridge top cover is installed at the top of the bus bridge shell, an insulating sleeve penetrates through the position, close to one side of the bus bridge shell, of the side wall of the transformer substation box body, supporting seats are fixed at four ends of the bottom of the transformer substation box body, a fixing cover is installed at one end, away from the transformer substation box body, of each heat dissipation channel, a dust screen is embedded in each fixing cover, pull rods penetrate through the top and two ends of the bottom of each fixing cover, a positioning block is installed at one end, close to each heat dissipation channel, one end of the third spring is connected with the positioning block, the other end of the third spring is connected with the fixed cover, and the outer wall of the heat dissipation channel is provided with a positioning groove matched with the positioning block.

Preferably, insulation support's inner wall both ends all are seted up flutedly, two the second spring is all installed to the inside of recess, two the one end that the second spring extends to insulation support inside all is fixed with the stopper, two the spacing groove has all been seted up to the one end that the second spring was kept away from to the stopper, the snap ring is installed to the bottom of generating line bridge top cap, generating line bridge casing's top seted up with snap ring assorted draw-in groove, the silica gel pad is installed to the inner wall of draw-in groove.

Preferably, the bottom of the transformer substation box body is provided with a fixed column, the bottom of the fixed column is connected with a fixed cylinder, the outer wall of the fixed column is sleeved with a first spring, one end of the fixed column extending to the inside of the fixed cylinder is provided with a fourth spring, the bottom of the fourth spring is connected with the fixed cylinder, and the bottom of the fixed cylinder is provided with a sucker.

Preferably, the inner wall of stopper is installed insulating pad, and insulating pad's inner wall is provided with the antiskid burr.

Preferably, the inner wall of the positioning groove is provided with a backing plate, and the outer wall of the backing plate is provided with an anti-slip groove.

Preferably, the bottom of supporting seat is installed the shock attenuation board, and the bottom of shock attenuation board is provided with the arch.

Preferably, one end of the pull rod, which is far away from the positioning block, is provided with a pull block, and the pull block is of a spherical structure.

Preferably, one end of the first spring is connected with the fixed cylinder, and the other end of the first spring is connected with the substation box body.

Preferably, the limiting groove is of an arc-shaped structure, and a double-layer filter screen layer is arranged inside the dustproof screen.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the invention, through the matching of the structures such as the pull rod, the positioning block, the positioning groove and the third spring, the fixing cover can be firmly fixed on the heat dissipation channel, so that the dust screen can isolate dust cotton wool, and meanwhile, the dust screen can be quickly taken down from the heat dissipation channel by pulling the pull rod, so that the dust screen is convenient to clean or replace, the operation is simple and convenient, the use effect is good, and the service life of the device is greatly prolonged.

(2) According to the invention, the cable can be clamped in the insulating sleeve through the matching of the limiting block, the second spring, the groove and the limiting groove, so that the cable penetrating through the transformer substation box body can be limited and fixed, the assembly difficulty is low, the clamping effect of the cable is good, the cable is prevented from loosening, and the stability of the device is improved.

(3) According to the invention, through the matching of the snap ring, the clamping groove and the silica gel pad, the gap between the bus bar bridge top cover and the bus bar bridge shell can be reduced, so that the bus bar bridge top cover and the bus bar bridge shell are tightly connected, the sealing performance is good, external rainwater leakage is prevented, the damage to an internal circuit is avoided, and the safety of the device is improved.

(4) According to the invention, through the matching of the fixed cylinder, the fixed column, the fourth spring and the first spring, the vibration generated by the outside and the device can be buffered and weakened, and the vibration amplitude is effectively reduced, so that the device is protected, meanwhile, the stability of internal equipment during operation is improved, the safety coefficient is high, and the practicability is strong.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a right side view of the present invention;

FIG. 4 is a schematic view of the internal structure of the insulating sleeve according to the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 1;

FIG. 6 is a schematic structural view of the fixing cylinder of the present invention when connected to the fixing post;

FIG. 7 is an enlarged view of portion B of FIG. 3;

in the figure: 1-a top cover of a transformer substation; 2-dust screen; 3-a heat dissipation channel; 4-fixing the cover; 5-a pull rod; 6, a transformer substation box body; 7-a support seat; 8-a fixed cylinder; 9-a sucker; 10-a first spring; 11-fixed column; 12-an insulating sleeve; 13-a bus bridge housing; 14-bus bar bridge top cover; 15-a snap ring; 16-a card slot; 17-a groove; 18-a limiting block; 19-a second spring; 20-a limiting groove; 21-a third spring; 22-a positioning block; 23-a positioning groove; 24-a fourth spring; 25-silica gel pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides the following technical solutions: a preassembled transformer substation with an external incoming line bus bridge comprises a transformer substation box body 6, a transformer substation top cover 1 is installed at the top of the transformer substation box body 6, two heat dissipation channels 3 are formed in one side of the transformer substation box body 6, the other side of the transformer substation box body 6 is fixedly connected with a bus bridge shell 13 through a support, a bus bridge top cover 14 is installed at the top of the bus bridge shell 13, an insulating sleeve 12 penetrates through the position, close to one side of the bus bridge shell 13, of the side wall of the transformer substation box body 6, supporting seats 7 are fixed at four ends of the bottom of the transformer substation box body 6, a fixed cover 4 is installed at one end, far away from the transformer substation box body 6, of each heat dissipation channel 3, a dustproof net 2 is embedded in each fixed cover 4, pull rods 5 penetrate through two ends of the top and the bottom of each fixed cover 4, a positioning block 22 is installed at one end, close to the, when in use, the four pull rods 5 can be respectively pulled, so that the pull rods 5 drive the positioning blocks 22 to move and extrude the third springs 21, then the fixing covers 4 are clamped on the heat dissipation channels 3, then the pull rods 5 are pushed to insert the positioning blocks 22 into the positioning grooves 23, meanwhile, the positioning blocks 22 can always abut against the heat dissipation channels 3 under the elastic action of the third springs 21, so that the fixing covers 4 are firmly fixed on the heat dissipation channels 3, dust cotton wool is isolated through the dust screen 2 on the fixing covers 4 and prevented from entering the heat dissipation channels 3, meanwhile, a maintenance worker can quickly take the dust screen 2 off from the heat dissipation channels 3 only by pulling the pull rods 5, further, the dust screen 2 is convenient to clean or replace, the operation is simple and convenient, the use effect is good, the service life of the device is greatly prolonged, one end of the third spring 21 is connected with the positioning blocks 22, and the other end of the third spring 21 is connected, the outer wall of the heat dissipation channel 3 is provided with a positioning groove 23 matched with the positioning block 22.

Furthermore, both ends of the inner wall of the insulating sleeve 12 are provided with grooves 17, second springs 19 are mounted inside the two grooves 17, the ends of the two second springs 19 extending into the insulating sleeve 12 are fixed with limit blocks 18, the ends of the two limit blocks 18 far away from the second springs 19 are provided with limit grooves 20, the bottom of the bus bridge top cover 14 is provided with a snap ring 15, when a cable is connected, the cable can penetrate into the substation box 6 from the insulating sleeve 12, the cable can extrude the two limit blocks 18 to enlarge the space between the two limit blocks 18, meanwhile, the limit blocks 18 can extrude the second springs 19 into the grooves 17, after the cable penetrates through the insulating sleeve 12, the two limit blocks 18 are mutually extruded under the action of the second springs 19, so that the cable is clamped in the two limit grooves 20, the cable is further limited and fixed, the assembly difficulty is low, the clamping effect is good, and the cable is prevented from loosening, improved stability, generating line bridge casing 13's top seted up with snap ring 15 assorted draw-in groove 16, silica gel pad 25 is installed to draw-in groove 16's inner wall, through inserting snap ring 15 in draw-in groove 16, make snap ring 15 and the mutual interlock of draw-in groove 16, simultaneously can further reduce the clearance between snap ring 15 and the draw-in groove 16 under silica gel pad 25's cooperation, thereby make generating line bridge top cap 14 and generating line bridge casing 13 zonulae occludens, sealing performance is good, external rainwater seepage has been prevented, the internal circuit damage has been avoided, the security of device has been improved.

Furthermore, a fixed column 11 is installed at the bottom of the substation box body 6, a fixed cylinder 8 is connected to the bottom of the fixed column 11, a first spring 10 is sleeved on the outer wall of the fixed column 11, a fourth spring 24 is installed at one end, extending to the inside of the fixed cylinder 8, of the fixed column 11, the bottom of the fourth spring 24 is connected with the fixed cylinder 8, a sucker 9 is installed at the bottom of the fixed cylinder 8, when a passing vehicle passes through or earthquakes to cause ground vibration, energy generated by vibration is transmitted into the fixed cylinder 8, the fixed column 11 is enabled to movably drive the fourth spring 24 to contract and extrude the first spring 10, vibration energy can be buffered and weakened under the action of the first spring 10 and the fourth spring 24, so that vibration amplitude is reduced, the device is protected, meanwhile, equipment operation vibration inside the substation box body 6 can be transmitted to the fixed column 11, so as to further perform vibration absorption and energy dissipation, finally, the protection function of the whole device is realized, the safety factor is high, and the practicability is strong.

Specifically, the inner wall of the limiting block 18 is provided with an insulating pad, the insulating pad has an insulating and electricity-proof effect, and the inner wall of the insulating pad is provided with an anti-skid convex line.

Specifically, the inner wall of the positioning groove 23 is provided with a base plate, the positioning block 22 can be better fixed in the positioning groove 23 through the base plate, and the outer wall of the base plate is provided with an anti-slip groove.

Specifically, the damping plate is installed to the bottom of supporting seat 7, and the damping plate can further play absorbing effect, and the bottom of damping plate is provided with the arch.

Specifically, a pull block is installed at one end of the pull rod 5 far away from the positioning block 22, the pull rod 5 is conveniently pulled through the pull block, and the pull block is of a spherical structure.

Specifically, one end of the first spring 10 is connected with the fixed cylinder 8, and the other end of the first spring 10 is connected with the substation box 6.

Specifically, the limiting groove 20 is of an arc-shaped structure, the cable can be limited through the limiting groove 20, and the double-layer filter screen layer is arranged inside the dustproof screen 2.

The working principle and the using process of the invention are as follows: when the cable fixing device is used, a worker can penetrate a cable into a transformer substation box body 6 from an insulating sleeve 12, the cable can extrude two limiting blocks 18 to enlarge the distance between the two limiting blocks 18, meanwhile, the limiting blocks 18 can extrude a second spring 19 into the grooves 17, after the cable penetrates through the insulating sleeve 12, the two limiting blocks 18 are mutually extruded under the action of the second spring 19, so that the cable is clamped in the two limiting grooves 20, the cable is limited and fixed, the assembly difficulty is low, the clamping effect is good, the cable is prevented from loosening, then the worker can respectively pull the four pull rods 5, the pull rods 5 drive the positioning blocks 22 to move and extrude the third spring 21, then the fixing cover 4 is clamped on the heat dissipation channel 3, then the pull rods 5 are pushed to insert the positioning blocks 22 into the positioning grooves 23, and meanwhile, the positioning blocks 22 can always tightly abut against the heat dissipation channel 3 under the elastic action of the third spring 21, thereby fixing the cover 4 on the heat dissipating channel 3 firmly, isolating the dust cotton wool through the dust screen 2 on the cover 4, preventing it from entering the heat dissipating channel 3, furthermore, inserting the snap ring 15 into the snap groove 16, so that the snap ring 15 and the snap groove 16 are engaged with each other, and simultaneously, under the cooperation of the silica gel pad 25, the gap between the snap ring 15 and the snap groove 16 can be further reduced, thereby the bus bridge top cover 14 and the bus bridge shell 13 are tightly connected, the sealing performance is good, the external rain leakage is prevented, the damage of the internal circuit is avoided, the safety of the device is improved, when the device is operated for a period of time, the maintainer can pull the pull rod 5 to rapidly take the dust screen 2 off the heat dissipating channel 3, and then the dust screen 2 is convenient to clean or replace, the operation is simple and convenient, the use effect is good, the service life of the device is greatly prolonged, and when the vehicle passes through the earthquake or causes the ground vibration, energy that vibrations produced can transmit to in the fixed cylinder 8, make the activity of fixed column 11 drive the shrink of fourth spring 24, and extrude first spring 10, can cushion the vibrations energy and weaken under the effect of first spring 10 and fourth spring 24, thereby reduce the vibration range, and then protect the device, the inside equipment operation vibrations of box 6 of transformer substation can transmit to fixed column 11 on simultaneously, thereby further carry out the shock attenuation energy dissipation, the protect function of whole device has finally been realized, factor of safety is high, and the practicality is stronger.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take prepackage type transformer substation of external inlet wire generating line bridge which characterized in that: the transformer substation top cover comprises a transformer substation box body (6), a transformer substation top cover (1) is installed at the top of the transformer substation box body (6), two heat dissipation channels (3) are formed in one side of the transformer substation box body (6), a bus bridge shell (13) is fixedly connected to the other side of the transformer substation box body (6) through a support, a bus bridge top cover (14) is installed at the top of the bus bridge shell (13), an insulating sleeve (12) penetrates through a position, close to one side of the bus bridge shell (13), of the side wall of the transformer substation box body (6), supporting seats (7) are fixed at four ends of the bottom of the transformer substation box body (6), a fixing cover (4) is installed at one end, far away from the transformer substation box body (6), of the fixing cover (4), a dust screen (2) is inlaid in the fixing cover (4), and pull rods (5) penetrate through the top, locating piece (22) are installed to the one end that pull rod (5) are close to heat dissipation channel (3), and the inside cover that the outer wall of pull rod (5) is located fixed cover (4) is equipped with third spring (21), the one end of third spring (21) is connected with locating piece (22), and the other end of third spring (21) is connected with fixed cover (4), constant head tank (23) with locating piece (22) assorted is seted up to the outer wall of heat dissipation channel (3).

2. The preassembled transformer substation with an external incoming bus bridge of claim 1, characterized in that: recess (17) are all seted up at the inner wall both ends of insulating sleeve (12), two second spring (19), two are all installed to the inside of recess (17) second spring (19) extend to insulating sleeve (12) inside one end all is fixed with stopper (18), two spacing groove (20) have all been seted up to the one end that second spring (19) were kept away from in stopper (18), snap ring (15) are installed to the bottom of generating line bridge top cap (14), generating line bridge casing's (13) top seted up with snap ring (15) assorted draw-in groove (16), silica gel pad (25) are installed to the inner wall of draw-in groove (16).

3. The preassembled transformer substation with an external incoming bus bridge of claim 1, characterized in that: fixed column (11) are installed to the bottom of transformer substation box (6), the bottom of fixed column (11) is connected with solid fixed cylinder (8), and the outer wall cover of fixed column (11) is equipped with first spring (10), fourth spring (24) are installed to the inside one end that fixed column (11) extend to solid fixed cylinder (8), the bottom of fourth spring (24) is connected with solid fixed cylinder (8), sucking disc (9) are installed to the bottom of solid fixed cylinder (8).

4. The preassembled transformer substation with an external incoming bus bridge as set forth in claim 2, characterized in that: the inner wall of the limiting block (18) is provided with an insulating pad, and the inner wall of the insulating pad is provided with anti-skid convex lines.

5. The preassembled transformer substation with an external incoming bus bridge of claim 1, characterized in that: the inner wall of the positioning groove (23) is provided with a backing plate, and the outer wall of the backing plate is provided with an anti-slip groove.

6. The preassembled transformer substation with an external incoming bus bridge of claim 1, characterized in that: the bottom of supporting seat (7) is installed the shock attenuation board, and the bottom of shock attenuation board is provided with the arch.

7. The preassembled transformer substation with an external incoming bus bridge of claim 1, characterized in that: and a pull block is arranged at one end of the pull rod (5) far away from the positioning block (22), and the pull block is of a spherical structure.

8. The preassembled transformer substation with an external incoming bus bridge as set forth in claim 3, characterized in that: one end of the first spring (10) is connected with the fixed cylinder (8), and the other end of the first spring (10) is connected with the transformer substation box body (6).

9. The preassembled transformer substation with an external incoming bus bridge as set forth in claim 2, characterized in that: the limiting groove (20) is of an arc-shaped structure, and a double-layer filter screen layer is arranged inside the dustproof screen (2).