CN217521823U - Railway switch snow melting isolation transformer - Google Patents

Abstract

The utility model discloses a railway switch snow melt isolation transformer relates to isolation transformer equipment technical field, include the transformer guard box and melt the snow subassembly, transformer guard box bottom welded fastening installs the base, and the outside cover of transformer guard box is equipped with the casing, the inside isolation transformer body that is provided with of casing, and casing top bilateral symmetry fixed mounting has the support for transformer top snow melts snow melt snow subassembly fixed mounting in both sides support intersection, the snow subassembly that melts includes frame, passageway, sealing washer, guard plate, end cover and recess. The utility model provides a railway switch snow melt isolation transformer compares with current device, continues to use the mode that adopts electrical heating among the prior art to make the guard box outer wall intensification in order to reach the snow melt purpose, when reacing predetermined low temperature, clears away the snow that is located the guard box top through the mode of automatic snow melt agent that sprays, and snow melt is efficient and effectual.

Description

Railway switch snow melting isolation transformer

Technical Field

The utility model relates to an isolation transformer equipment technical field specifically is a railway switch snow melt isolation transformer.

Background

As is well known, an isolation transformer is a transformer with an input winding and an output winding electrically isolated, and at present, the isolation transformer for a turnout railway is used outdoors, and is protected by a protective box and is melted with snow by an electric heating mode.

As in application No.: CN201921690793.9, the utility model discloses a novel switch railway snow melt isolation transformer, include: including quick-witted case, iron core and solenoid, the inside of machine case is provided with places the chamber, iron core and solenoid all are located places the intracavity, the iron core includes traditional iron core part and reactance iron core part. The utility model solves the problems that the cost of the transformer is greatly increased under the same capacity of the common isolation transformer, the size of the transformer is increased, and the workload of subsequent transportation and assembly is increased; and isolation transformer installs in quick-witted incasement, and inconvenient dismouting is carried out to the bolt at isolation transformer rear, and the installation maintenance of being inconvenient leads to the lower technical problem of use reliability.

The novel turnout railway snow melting isolation transformer similar to the application has the following defects at present: when meetting sleet weather, lead to the outer wall and the top of protective housing to push away the snow, influence the inside temperature of protective housing, bring the influence to isolation transformer's operation, and traditional snow melt mode adopts the mode of electrical heating, and is inefficient, and speed is slow, needs to improve.

In view of the above, the present invention provides a snow-melting isolation transformer for railway turnout, which is developed and improved in view of the existing structure and defects, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a railway switch snow melt isolation transformer to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: including transformer guard box and snow melting assembly, transformer guard box bottom welded fastening installs the base, and the outside cover of transformer guard box is equipped with the casing, the inside isolation transformer body that is provided with of casing, and casing top bilateral symmetry fixed mounting has the support, be used for snow melting of transformer top snow melt snow subassembly fixed mounting in both sides support intersection, snow melting assembly includes frame, passageway, sealing washer, guard plate, end cover and recess, the frame middle part vertically runs through and has seted up the passageway, and passageway hole terminal surface top embedding installs the sealing washer, the sealing washer outside is provided with the guard plate, and guard plate integral type fixed mounting in frame top middle-end, the end cover is installed in the laminating of passageway hole terminal surface bottom, and inwards sunken recess has been seted up to end cover bottom middle-end.

Furthermore, the snow melting assembly further comprises a glass tube, a water body and a screw rod, the glass tube is installed on the groove arc surface in a fitting mode, the water body is filled in the glass tube, and the screw rod is fixedly installed on the bottom of the glass tube in an integrated mode.

Further, the snow melting assembly further comprises an extension rod and a diffusion plate, the extension rod is symmetrically and fixedly installed on two sides of the bottom of the frame, and the diffusion plate is fixedly installed at the intersection of the bottoms of the extension rods.

Furthermore, the snow melting assembly further comprises a threaded cylinder, the middle end of the top of the diffusion plate is fixedly provided with the threaded cylinder, and the threaded cylinder is fixed with the glass tube through a screw rod.

Further, an outer interlayer is arranged on the outer side of the shell, and a heater is fixedly mounted on the inner wall of the outer interlayer in a fit mode.

Furthermore, an inner interlayer is arranged on the inner side of the shell, and the inner wall of the inner interlayer is fixedly provided with a snow melting agent storage box in an attached mode.

Furthermore, a quantitative pump is arranged at the opening at the top of the snow-melting agent storage box, a conveying pipe is communicated with the inside of the quantitative pump, and the conveying pipe is communicated with a tail end channel.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a railway switch snow melt isolation transformer compares with current device, continues to use the mode that adopts electrical heating among the prior art to make the protective housing outer wall intensification in order to reach the snow melt purpose, when reacing predetermined low temperature, clears away the snow at protective housing top through the mode of automatic snow melt agent that sprays, and snow melt is efficient and effectual.

1. The utility model discloses a setting of glass pipe, when arriving preset low temperature, the water in the glass pipe freezes the inflation and breaks glass pipe, makes the end cover of passageway bottom hole terminal surface lose the support of glass pipe, and the snow melt agent lets in the passageway and flows out by the conveyer pipe, can add salt in liquid water in addition in order to reduce its freezing point, can just break glass pipe under lower ambient temperature, reduces the frequency that the user replaces glass pipe;

2. the utility model discloses a snow melt subassembly's setting, when keeping with adopting the mode of electrical heating among the prior art to make the protective housing outer wall heat up in order to reach the snow melt purpose, when reaching preset low temperature, the snow melt agent sprays and goes out evenly to cover in transformer protective housing top by the passageway for the snow at transformer protective housing top melts fast, and snow melt is efficient and effectual;

3. the utility model prevents the conveying pipe from aging and loosening due to weather or rain corrosion at the communicating part of the conveying pipe and the channel by arranging the protection plate and communicating the conveying pipe with the channel through the inner groove in the protection plate at the top of the frame, and prevents the air pressure leakage at the connecting part of the conveying pipe and the channel by the embedded sealing ring of the inner hole end surface at the top of the channel;

drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

fig. 3 is a front view structure diagram of the snow melting assembly of the present invention.

In the figure: 1. a transformer guard box; 2. a base; 3. a housing; 4. an outer interlayer; 5. a heater; 6. An inner interlayer; 7. a snow-melting agent storage tank; 8. a constant delivery pump; 9. a delivery pipe; 10. an isolation transformer body; 11. a support; 12. a snow melting assembly; 1201. a frame; 1202. a channel; 1203. a seal ring; 1204. a protection plate; 1205. an end cap; 1206. a groove; 1207. a glass tube; 1208. a body of water; 1209. a screw; 1210. an extension rod; 1211. a diffusion plate; 1212. a threaded barrel.

Detailed Description

As shown in fig. 1-2, a base 2 is fixedly welded at the bottom of a transformer protection box 1, a shell 3 is sleeved outside the transformer protection box 1, an outer interlayer 4 is arranged outside the shell 3, a heater 5 is fixedly attached to the inner wall of the outer interlayer 4, an inner interlayer 6 is arranged inside the shell 3, a snow-melting agent storage tank 7 is fixedly attached to the inner wall of the inner interlayer 6, a quantitative pump 8 is arranged at the opening at the top of the snow-melting agent storage tank 7, a delivery pipe 9 is communicated with a terminal channel 1202 and communicated with the delivery pipe 9 through an inner groove 1206 in a protection plate 1204 at the top of a frame 1201, the long-term exposure to the field environment is prevented, the joint between the delivery pipe 9 and the channel 1202 is prevented from being corroded by wind or rain water to be aged and loosened, a sealing ring 1203 embedded in the end face of an inner hole at the top of the channel 1202 is prevented from air pressure leakage at the joint of the two, an isolation transformer body 10 is arranged in the shell 3, and brackets 11 are symmetrically and fixedly arranged on two sides of the top of the shell 3;

as shown in fig. 3, a snow melting assembly 12 for snow and snow melting on the top of a transformer is fixedly mounted at the intersection of two side brackets 11, the snow melting assembly 12 includes a frame 1201, a passage 1202, a sealing ring 1203, a protection plate 1204, an end cover 1205 and a groove 1206, the passage 1202 is longitudinally formed in the middle of the frame 1201, the sealing ring 1203 is embedded and mounted on the top of the inner hole end surface of the passage 1202, the protection plate 1204 is arranged on the outer side of the sealing ring 1203, the protection plate 1204 is integrally and fixedly mounted at the middle end of the top of the frame 1201, the end cover 1205 is mounted at the bottom of the inner hole end surface of the passage 1202 in a fitting manner, the middle end of the bottom of the end cover 1205 is provided with an inward concave groove 1206, the snow melting assembly 12 further includes a glass tube 1207, a water body 1208 and a screw 1209, the arc surface of the groove 1206 is mounted in a fitting manner, the water body is filled in the glass tube 1207, the screw 1209 is fixedly mounted at the bottom of the glass tube 1207, the snow melting assembly 12 further includes an extension rod 1210 and a diffusion plate 1211, an extension rod 1210 is symmetrically and fixedly installed on two sides of the bottom of the frame 1201, a diffusion plate 1211 is fixedly installed at a junction of the bottom of the extension rod 1210, the snow melting assembly 12 further comprises a threaded cylinder 1212, the threaded cylinder 1212 is fixedly installed at the middle end of the top of the diffusion plate 1211, and the threaded cylinder 1212 is fixed with a glass tube 1207 through a screw 1209, when the outer wall of the transformer protection box 1 is heated in an electric heating mode in the prior art to achieve the purpose of melting snow, because a strong hydrogen bonding force exists between water molecules in liquid water, the water body 1208 becomes ice and becomes large in volume, when the preset low temperature is reached, the water body 1208 in the glass tube 1207 is frozen and expanded to break the glass tube 1207, so that the end cover 1205 of the inner hole end face at the bottom of the channel 1202 loses the support of the glass tube 1207, and snow melting agent is sprayed from the channel 1202 to uniformly cover the top of the transformer protection box 1 to achieve rapid melting of snow, snow melting is efficient and effectual, can add salt in order to reduce its freezing point in liquid water 1208 in addition, can just break glass pipe 1207 under lower ambient temperature, reduces the frequency that the user replaces glass pipe 1207.

The working principle is as follows: when the railway turnout snow melting isolation transformer is used, the outer wall of the transformer protection box 1 is heated in an electric heating mode in the prior art to achieve the purpose of melting snow, at the same time, because strong hydrogen bond acting force exists between water molecules in liquid water, the water body 1208 of the transformer protection box becomes ice, the volume of the ice becomes large, when the preset low temperature is reached, the ice of the water body 1208 in the glass tube 1207 is frozen and expanded to break the glass tube 1207, the end cover 1205 of the inner hole end face at the bottom of the channel 1202 loses the support of the glass tube 1207, the snow melting agent is sprayed out from the channel 1202 to uniformly cover the top of the transformer protection box 1, the accumulated snow at the top of the transformer protection box 1 is quickly melted, the snow melting efficiency is high, the snow melting effect is good, in addition, salt can be added into the liquid water body 1208 to reduce the freezing point, the glass tube 1207 can be broken only at lower environmental temperature, the frequency of replacing the glass tube 1207 by a user is reduced, the conveying pipe 9 is communicated with the channel 1202 through an inner groove 1206 in a protection plate 1204 at the top of the frame 1201, the condition that the conveying pipe 9 and the channel 1202 are aged and loosened due to weather or rainwater corrosion at the communication position after being exposed in a field environment for a long time is prevented, and the air pressure leakage at the connection position of the conveying pipe 9 and the channel 1202 is prevented by a sealing ring 1203 embedded into the end face of an inner hole in the top of the channel 1202.

Claims (7)

1. The utility model provides a railway switch snow melt isolation transformer, its characterized in that, includes transformer guard box (1) and snow melt subassembly (12), transformer guard box (1) bottom welded fastening installs base (2), and transformer guard box (1) outside cover is equipped with casing (3), casing (3) inside is provided with isolation transformer body (10), and casing (3) top bilateral symmetry fixed mounting has support (11), be used for snow melt of transformer top snow melt subassembly (12) fixed mounting in both sides support (11) intersection, snow melt subassembly (12) include frame (1201), passageway (1202), sealing washer (1203), guard plate (1204), end cover (1205) and recess (1206), frame (1201) middle part vertically runs through and has seted up passageway (1202), and passageway (1202) hole terminal surface top embedding installs sealing washer (1203), sealing washer (1203) outside is provided with guard plate (1204), and guard plate (1204) integral type fixed mounting in frame (1201) top middle-end, end cover (1205) is installed in the laminating of passageway (1202) hole terminal surface bottom, and inside sunken recess (1206) have been seted up to end cover (1205) bottom middle-end.

2. The railway turnout snow melting isolation transformer according to claim 1, wherein the snow melting assembly (12) further comprises a glass tube (1207), a water body (1208) and a screw rod (1209), the arc surface of the groove (1206) is fitted with the glass tube (1207), the water body (1208) is filled in the glass tube (1207), and the screw rod (1209) is fixedly installed at the bottom of the glass tube (1207) in an integrated mode.

3. The railway turnout snow melting isolation transformer according to claim 1, wherein the snow melting assembly (12) further comprises an extension rod (1210) and a diffusion plate (1211), the extension rod (1210) is fixedly installed at two sides of the bottom of the frame (1201) symmetrically, and the diffusion plate (1211) is fixedly installed at the intersection of the bottoms of the extension rods (1210).

4. The railway switch snow melting isolation transformer of claim 3, wherein the snow melting assembly (12) further comprises a threaded barrel (1212), the threaded barrel (1212) is fixedly installed at the middle top end of the diffusion plate (1211), and the threaded barrel (1212) is fixed with the glass tube (1207) through the screw (1209).

5. The railway turnout snow melting isolation transformer according to claim 1, wherein an outer interlayer (4) is arranged on the outer side of the shell (3), and a heater (5) is fixedly mounted on the inner wall of the outer interlayer (4) in an attached manner.

6. The railway turnout snow melting isolation transformer according to claim 1, wherein an inner interlayer (6) is arranged on the inner side of the shell (3), and a snow melting agent storage tank (7) is fixedly mounted on the inner wall of the inner interlayer (6) in an attached manner.

7. The railway turnout snow melting isolation transformer according to claim 6, wherein a quantitative pump (8) is arranged at the top opening of the snow melting agent storage tank (7), a delivery pipe (9) is communicated with the interior of the quantitative pump (8), and the delivery pipe (9) is communicated with the tail end channel (1202).

Images