CN111326982A

CN111326982A - Electrified defroster of substation equipment

Info

Publication number: CN111326982A
Application number: CN202010258779.2A
Authority: CN
Inventors: 翁晓军; 王振华; 何世龙; 浦劲松; 何飓; 王月兵; 张学超; 曺闻骊; 谭华; 邵竹星; 张峰
Original assignee: State Grid Corp of China SGCC; Anqing Power Supply Co of State Grid Anhui Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Anqing Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-06-23

Abstract

The invention provides an electrified deicing device for substation equipment, which is characterized in that an air hot wire deicing cutting gun, a hot air heating device and a movable supporting device are arranged; the air passage rotary seat for removing ice and cutting through the air hot wire is arranged on the gun seat and is coaxially and rotatably connected with the gun seat; the nozzle is arranged on the air passage rotary seat; the air outlet end of the nozzle is oppositely arranged and is used for realizing the crossed arrangement of hot air flow sprayed by the nozzle; the air inlet pipe is connected with the air pump through a hot airflow heating device; the hot air flow heating device is arranged on the movable supporting device. The ice cutting machine cuts ice through hot air flow, knocking of tools or equipment is not needed, damage to power equipment is reduced, labor intensity is greatly reduced, melting of ice blocks is accelerated by the hot air flow, deicing efficiency is greatly improved, the deicing effect is good, working reliability of a transformer substation is greatly improved, and the ice cutting machine is economical, practical and worthy of wide popularization. The whole device is convenient to move, more convenient to operate and high in safety.

Description

Electrified defroster of substation equipment

Technical Field

The invention relates to the technical field of power system equipment, in particular to an electrified deicing device for power transformation equipment.

Background

The icing of the power transformation equipment means that a layer of thick ice is frozen on an insulation support, an exposed charged body, a mechanism kinematic pair and the like of the outdoor power transformation equipment due to weather reasons. Damage of ice attached to the power transformation equipment: the phenomena of creepage distance increase, insulation reduction, flashover or discharge conduction and the like can be caused by the ice adhesion of an insulating support and an exposed charged body of the power transformation equipment; the ice attached to the kinematic pair of the mechanism can cause the kinematic pair of the mechanism to be frozen into a whole, and the opening and closing actions or other required actions can not be realized, so that the operation can not be implemented.

The ice attached to the transformer equipment is usually removed by manual knocking, so that the labor intensity is high, the efficiency is low, the effect is poor, the equipment is easily damaged, the deicing requirement of the equipment cannot be met, certain parts need to be removed by power failure, the working reliability of the transformer substation is greatly reduced, and improvement is needed.

Disclosure of Invention

The invention aims to provide an electrified deicing device for substation equipment, and aims to provide an ice cutting device which is used for carrying out non-direct contact on attached ice on the substation equipment.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a live deicing device for power transformation equipment comprises an air hot wire deicing cutting gun, a hot air flow heating device and a movable supporting device;

the air hot wire deicing cutting gun comprises a movable gun head, a fixed gun head, a nozzle and an air inlet pipe; the movable and static gun heads comprise gun seats and air passage rotating seats; the air passage rotary seat is installed on the gun seat and is coaxially and rotatably connected with the gun seat; the nozzle is arranged on the air passage rotary seat; the air outlet end of the nozzle is oppositely arranged and is used for realizing the crossed arrangement of hot air flow sprayed by the nozzle; the air inlet pipe is connected with the gun seat; the air inlet pipe is connected with an air pump through a hot airflow heating device and is used for supplying hot airflow to the nozzle through the air passage rotary seat;

the hot airflow heating device is arranged on the movable supporting device.

As a further improvement of the invention, the movable and static gun heads comprise gun seats and air passage rotary seats; the gun seat is of a hollow cavity structure; one end of the air passage swivel base is provided with an air inlet main channel communicated with the hollow cavity of the gun seat, and the other end of the air passage swivel base is provided with a branch channel communicated with the air inlet main channel; the nozzles are respectively arranged at the two radial ends of the air passage swivel base and are respectively communicated with the branch channels; one end of the air inlet pipe is communicated with the hollow cavity, and the other end of the air inlet pipe is connected with a hot air flow outlet end of the hot air flow heating device.

As a further improvement of the invention, one air inlet main channel and two branch channels form a channel structure with a three-way structure, and the branch channels are symmetrically arranged at two sides of the air inlet main channel to realize uniform distribution of hot air flow by forming a T-shaped new side channel structure.

As a further improvement of the invention, the gun seat is also provided with a locking screw; the locking screw is in threaded connection with the gun seat and is axially arranged corresponding to the closed end of the air inlet main channel, and the locking screw can be axially abutted and limited against the closed end of the air inlet main channel by screwing the locking screw, so that the gun seat and the air channel rotating seat are relatively positioned.

As a further improvement of the invention, the two nozzles are respectively arranged at two ends of the air passage in the diameter direction of the rotary seat; the axes of the outlet pipe ends of the opposite nozzles are intersected.

As a further improvement of the invention, a handheld positioning device is also arranged; the handheld positioning device comprises a gun clamping hoop, a support and an insulating operating rod; the bayonet of the gun clamping hoop is clamped on the gun base; the connecting part at the outer end of the bayonet of the gun clamping hoop is arranged on the support through a bolt assembly; the insulating operating rod is detachably connected with the support.

As a further improvement of the invention, the hot air flow heating device comprises a box body, an electric heater and a heat exchange tube;

the electric heater is arranged on the box body and used for heating liquid in the box body;

one end of the heat exchange tube is communicated with an air inlet tube of the air hot wire deicing cutting gun, and the other end of the heat exchange tube is communicated with an air outlet end of the air pump; the middle section of the heat exchange tube is arranged in the box body and used for realizing heat exchange between air flow in the heat exchange tube and liquid in the box body.

As a further improvement of the invention, the middle section of the heat exchange tube is of a spiral tube body structure.

As a further improvement of the invention, a box cover is also arranged; the box cover is arranged on an upper opening of the box body; the tank cover is also provided with a water filling port; and a self-sounding cover is also arranged behind the water filling port.

As a further improvement of the invention, the mobile supporting device comprises an insulating mobile trolley and a supporting mechanism; the supporting mechanism comprises a rotating supporting upright post, a supporting cross beam and a spring angle support; the rotary supporting upright post is arranged on the insulation moving trolley; one axial end of the supporting beam is hinged with the top of the supporting upright post; the two axial ends of the spring angle support are respectively connected with the rotary supporting upright post and the supporting cross beam in a positioning mode, and the spring angle support is used for achieving positioning elastic support of the rotary supporting upright post and the supporting cross beam.

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

1. according to the invention, the air outlet ends of the nozzles are oppositely arranged, and the air flows of the nozzles are intersected, so that a crossed vertical hot air cutting line or an eccentric hot air cutting line can be obtained, and the crossed vertical hot air cutting line causes full-section cutting of attached ice; the eccentric hot air cutting line forms a rotating moment on the movable and static gun heads to rotate, so that a conical cutting line is obtained, and the blocky accumulated ice is cut off; ice is cut through hot air flow, tools or equipment do not need to be knocked, damage to electric power equipment is reduced, labor intensity is greatly reduced, melting of ice blocks is accelerated by the hot air flow, ice removing efficiency is greatly improved, and an ice removing effect is good; meanwhile, ice is cut by adopting hot air flow, equipment does not need to be cleared away by power failure, the working reliability of the transformer substation is greatly improved, and the ice cutting device is economical and practical and is worthy of wide popularization.

2. According to the invention, the movable supporting device is arranged, the air inlet pipe and the hot airflow heating device are arranged on the movable supporting device, the operation is carried out by holding the air hot wire deicing cutting gun by hand, and the movable supporting device can also be directly placed on the movable supporting device for deicing.

3. According to the invention, one end of the heat exchange tube is communicated with the air inlet pipe of the air hot wire deicing cutting gun, the other end of the heat exchange tube is communicated with the air outlet end of the air pump, and the middle section of the heat exchange tube is arranged in the box body, so that the heat exchange between the air flow in the heat exchange tube and the liquid in the box body is realized, and the hot air flow is provided for the air hot wire deicing cutting gun, and the structure is simple and practical.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic view of the air hot wire deicing cutting gun of the present invention;

FIG. 3 is a side view of the air hot wire deicing torch construction of the present invention;

FIG. 4 is a schematic view of a mounting structure of the lance head of the present invention;

FIG. 5 is a schematic diagram of the internal structure of the airway swivel according to the present invention;

FIG. 6 is a side view of the airway swivel of the present invention;

FIG. 7 is a schematic view of a gun rest according to the present invention;

FIG. 8 is a side view of FIG. 7 of the present invention;

FIG. 9 is a schematic structural view of the fastening gun hoop of the present invention;

FIG. 10 is a side view of FIG. 9 of the present invention;

FIG. 11 is a schematic view of the stand-off structure of the present invention;

FIG. 12 is a side view of FIG. 11 of the present invention;

FIG. 13 is a schematic view of the internal structure of the housing of the hot gas flow heating apparatus of the present invention;

FIG. 14 is a schematic view of the mounting structure of the housing of the hot gas flow heating apparatus of the present invention;

FIG. 15 is a side view of FIG. 14 of the present invention;

FIG. 16 is a top view of FIG. 14 in accordance with the present invention;

FIG. 17 is a schematic view of the mobile support apparatus of the present invention;

the reference numbers in the figures illustrate:

1. the air hot wire removes the ice cutting gun; 11. moving and fixing the gun heads; 111. a gun seat; 112. airway rotation; 1121. a main air intake passage; 11211. an air inlet; 1122. a branch channel; 1123. positioning a nut; 113. a locking screw; 114. a seal assembly; 1141. fixing the loop; 1142. sealing the felt ring; 1143. a bearing; 1144. a snap ring; 12. a nozzle; 13. an air inlet pipe; 14. a handheld positioning device; 141. a gun clamping hoop; 142. a support; 143. an insulating operating rod; 144. a bolt assembly; 2. a hot gas flow heating device; 21. a box body; 22. an electric heater; 23. a heat exchange tube; 24. a box cover; 241. a water injection port; 242. a handle; 25. a self-sounding cover; 26. remotely controlling the electromagnetic valve; 27. an air pump; 28. a temperature water level sensor; 3. moving the support device; 31. insulating the travelling car; 311. an intermediate insulating section; 312. a base; 313. a moving wheel; 32. a support mechanism; 321. rotating the support column; 322. supporting a cross beam; 323. a spring angle support; 33. a pipe clamp; 4. a magnetic strut.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all 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.

With reference to fig. 1 to 17, the present invention provides an electrified deicing device for a power transformation device, and aims to provide an ice cutting device for directly removing ice attached to a power transformation device.

Specifically, with reference to fig. 1, 2, 3 and 4, the hot-wire deicing cutting gun comprises an air hot-wire deicing cutting gun 1, a hot-air-flow heating device 2 and a movable supporting device 3;

the air hot wire deicing cutting gun 1 comprises a movable gun head 11, a fixed gun head 12 and an air inlet pipe 13; the dynamic and static gun heads 11 comprise gun seats 111 and air passage rotary seats 112; the air passage rotary seat 112 is mounted on the gun seat 111 and is coaxially and rotatably connected with the gun seat 111; the nozzle 12 is arranged on the air passage rotary seat 112; the air outlet end of the nozzle 12 is oppositely arranged and used for realizing the crossed arrangement of hot air flow sprayed out by the nozzle 12; the air inlet pipe 13 is connected with the gun seat 111; the air inlet pipe 13 is connected with an air pump 27 through a hot airflow heating device 2 and is used for supplying hot airflow to the nozzle 12 through the air passage rotary seat 112;

the hot air flow heating device 2 is arranged on the movable supporting device 3.

According to the invention, the air outlet ends of the nozzles 12 are oppositely arranged, and the air flows of the nozzles 12 are intersected, so that a cross vertical hot air cutting line or an eccentric hot air cutting line can be obtained, and the cross vertical hot air cutting line causes full-section cutting off of attached ice; the eccentric hot air cutting line forms a rotating moment on the movable and static gun heads 11 to rotate, so that a conical cutting line is obtained, and the blocky accumulated ice is cut off; ice is cut through hot air flow, tools or equipment do not need to be knocked, damage to electric power equipment is reduced, labor intensity is greatly reduced, melting of ice blocks is accelerated by the hot air flow, ice removing efficiency is greatly improved, and an ice removing effect is good; meanwhile, ice is cut by adopting hot air flow, equipment does not need to be cleared away by power failure, the working reliability of the transformer substation is greatly improved, and the ice cutting device is economical and practical and is worthy of wide popularization.

It should be noted that, through setting up the mobile supporting device 3, through installing the intake pipe 13 and the hot air flow heating device 2 on the mobile supporting device 3, operate through the handheld air hot wire deicing burning torch 1, also directly place on the mobile supporting device and carry out the deicing, whole device removes conveniently, is more convenient for operate, and the security is high.

The dynamic and static gun heads 11 comprise gun seats 111 and air passage rotary seats 112; the gun base 111 is a hollow cavity structure; one end of the air passage swivel base 112 is provided with an air inlet main channel 1121 communicated with the hollow cavity of the gun seat 111, and the other end is provided with a branch channel 1122 communicated with the air inlet main channel 1121; the nozzles 12 are respectively arranged at two radial ends of the air passage swivel base 112 and are respectively communicated with the branch channels 1122; one end of the air inlet pipe 13 is communicated with the hollow cavity, and the other end of the air inlet pipe is connected with a hot air flow outlet end of the hot air flow heating device 2.

In an embodiment, referring to fig. 5 and fig. 6, one air intake main channel 1121 and two branch channels 1122 form a channel structure of a three-way structure, and the branch channels 1122 are symmetrically arranged on two sides of the air intake main channel 1121 to achieve uniform distribution of hot air flow by forming a new side channel structure of a "T" shape.

It is to be noted that; the axial outer end of the main air inlet channel 1121 is a closed end; a plurality of air inlet holes 11211 are uniformly distributed on the radial side edge of the tube body of the air inlet main channel 1121.

Preferably, the joint of the air inlet pipe 13, the gun base 111 and the axis of the main air inlet channel 1121 are arranged in parallel, so that compact installation of the whole device is realized.

The gun base 111 is also provided with a locking screw 113; the locking screw 113 is in threaded connection with the gun base 111 and is axially arranged corresponding to the closed end of the main air inlet channel 1121, and by screwing the locking bolt, the axial abutting and limiting of the locking bolt and the closed end of the main air inlet channel 1121 can be realized, so that the relative positioning arrangement of the gun base 111 and the air passage rotary seat 112 can be realized; through this kind of structure when realizing the even air intake of air flue swivel mount 112, still do not influence the relative positioning setting to rifle seat 111 and air flue swivel mount 112 through locking bolt.

In an embodiment, referring to fig. 4, fig. 7 and fig. 8, two nozzles 12 are respectively disposed at two ends of the air passage rotary base 112 in the diameter direction; the axes of the outlet pipe ends of the opposing nozzles 12 are arranged to intersect.

Preferably, the nozzle 12 is mounted on the movable and static lance heads 11; specifically, a positioning nut 1123 is further arranged on the air passage swivel base 112, and the positioning nut 1123 is coaxially positioned with the opening communicated with the tail end of the branch channel 1122; the nozzle 12 is screwed to the retaining nut 1123 and then disposed corresponding to the opening to communicate the nozzle 12 with the branch passage 1122.

A sealing assembly 114 is further arranged between the gun seat 111 and the air passage rotary seat 112; an internal high-pressure gas channel is established through the fabrication hole sealing bolt and the fabrication hole sealing bolt, so that the ice cutting machine has the functions of ventilation, rotation, support and the like, and the ice cutting operation under all working conditions is realized by matching with the locking bolt 113 of the movable and static gun heads 11.

Preferably, the seal assembly 114 includes a fixed ring 1141, a seal felt ring 1142, a bearing 1143, and a snap ring 1144; the fixed ring sleeve 1141, the sealing felt ring 1142, the bearing 1143 and the snap ring 1144 are sleeved on the main air inlet channel 1121.

It should be noted that the fixing ring sleeve 1141 is fixed to the gun base 111 by screws; the bearing 1143 is a rolling bearing 1143, an inner ring of the bearing 1143 is tightly matched with the main air inlet channel 1121, and an outer ring is tightly matched with the gun seat 111; the bearing 1143 is arranged between the shaft step and the snap ring 1144, so that the bearing 1143 is limited.

The functions of supporting, positioning, rotating, sealing and the like of the movable and static gun heads 11 are realized together.

The open end of the gun seat 111 is abutted and limited with an axial step on the air inlet main channel 1121 of the air passage swivel base 112, so as to realize the sealing of hot air flow in the gun seat 111.

In another embodiment, with reference to fig. 3, 9, 10, 11 and 12, a handheld positioning device 14 is further provided; the handheld positioning device 14 comprises a gun clamping hoop 141, a support 142 and an insulating operating rod 143; the bayonet of the gun clamping hoop 141 is clamped on the gun base 111; the bayonet outer end connecting part of the clamping gun hoop 141 is arranged on the support 142 through a bolt assembly 144; the insulating operating rod 143 is detachably connected with the support 142; the insulating operating rod 143 includes the swing hinge support 142 to perform equipotential operation and ground potential operation, and the swing hinge support 142 performs a pitch and swing adjustment function for the air hot wire cutting torch.

In another embodiment, referring to fig. 13, the hot air heating device 2 includes a box 21, an electric heater 22 and a heat exchange tube 23;

the electric heater 22 is arranged on the box body 21 and used for heating the liquid in the box body 21;

one end of the heat exchange tube 23 is communicated with an air inlet tube 13 of the air hot wire deicing cutting gun 1, and the other end is communicated with an air outlet end of an air pump 27; the middle section of the heat exchange tube 23 is arranged in the box body 21 and is used for exchanging heat between the air flow in the heat exchange tube 23 and the liquid in the box body 21.

According to the invention, one end of the heat exchange tube is communicated with the air inlet pipe of the air hot wire deicing cutting gun, the other end of the heat exchange tube is communicated with the air outlet end of the air pump, and the middle section of the heat exchange tube is arranged in the box body, so that the heat exchange between the air flow in the heat exchange tube and the liquid in the box body is realized, and the hot air flow is provided for the air hot wire deicing cutting gun, and the structure is simple and practical.

With reference to fig. 13, 14, 15 and 16, the three electric heaters 22 are uniformly arranged at the bottom of the tank 21 to heat the water in the tank 21.

Preferably, the middle section of the heat exchange tube 23 is of a spiral tube body structure, so that the total length of the whole tube body is greatly increased through the spiral tube body structure, and the heat exchange area is increased.

Preferably, the middle section of the heat exchange tube 23 is provided with a multi-section spiral tube body structure, and the multi-section spiral tube body structures are connected through a connecting tube, so that the heat exchange tube 23 is arranged in the box body 21.

Preferably, a case cover 24 is also provided; the box cover 24 is arranged on an upper opening of the box body 21, and the box cover 24 is mounted on an extending part of the opening side of the box body 21 through screws and used for realizing sealing of the box body 21.

The tank cover 24 is also provided with a water filling port 241; a self-sounding cover 25 is arranged behind the water filling port 241, so that when water is boiled, the self-sounding cover 25 can make a sound and release pressure; it should be noted that the self-sounding cover 25 may be a kettle self-sounding cover 25.

The box cover 24 is also provided with a handle 242 to facilitate transportation and management of the entire device.

Two ends of the heat exchange tube 23 are respectively positioned on the box cover 24; the positioning arrangement of the two ends of the heat exchange tube 23 is realized by sleeving a locking rubber ring outside the heat exchange tube 23 extending out of the box cover 24 from the box body 21.

Preferably, a remote control solenoid valve 26 is also provided; the remote control electromagnetic valve 26 is arranged at the air inlet end of the heat exchange tube 23 and is used for realizing on-off control of air inlet of the air pump 27.

It should be noted that the air pump 27 is provided with an independent power supply, which is convenient for the whole machine to carry; the independent power supply is an internal combustion generator or a direct current power supply, and an external power supply cannot be used to prevent the insulation grade from being insufficient; the air pump is a commercially available air compressor, can adjust the pressure according to the pressure resistance condition of the target equipment, prevents misoperation caused by air pressure impact,

a temperature water level sensor 28 is also arranged; the temperature and water level sensor 28 is installed on the tank cover 24, and a sensing contact of the temperature and water level sensor 28 is arranged in the tank body 21, so as to sense the water level and the temperature of the liquid in the tank body 21.

A control system and a display panel are also arranged; the control system is connected with the display panel, the temperature and water level sensor 28 and the remote control electromagnetic valve 26; the signals of the thermometer and the hydrology transmitted by the temperature and water level sensor 28 are transmitted to the control system, and the signals are transmitted to the display panel through the control system.

An electric energy parameter meter is also arranged, and the electric energy parameters are changed on the box body 21.

In another embodiment, with reference to fig. 17, the mobile support device 3 comprises an insulating mobile trolley 31 and a support mechanism 32; the supporting mechanism 32 comprises a rotating supporting upright 321, a supporting beam 322 and a spring angle support 323; the rotary supporting upright column 321 is arranged on the insulation moving trolley 31; one axial end of the supporting beam 322 is hinged with the top of the supporting upright; the two axial ends of the spring angle support 323 are respectively connected with the rotary support column 321 and the support beam 322 in a positioning manner, so as to realize positioning elastic support of the rotary support column 321 and the support beam 322.

The rotary supporting upright post 321 is rotatably connected with the insulating trolley, the rotary moving trolley can rotate around a shaft by rotating the rotary supporting upright post 321, and meanwhile, the supporting cross beam 322 can elastically rotate around the top end of the rotary supporting upright post 321, so that the position of the air inlet pipe 13 in use is adjusted, and the rotary moving trolley is reasonable in design and flexible to use.

The insulation moving trolley 31 comprises an intermediate insulation joint 311, a base 312 and a moving wheel 313; the middle insulating joint 311 is arranged on the base 312; the base 312 is provided on the moving wheel 313.

The rotation support post 321 is mounted on the middle insulation node 311.

Or a pipe clamp 33; the air inlet pipe 13 is mounted on the rotary support column 321 and the support beam 322 through a pipe clamp 33, and is used for realizing the positioning and mounting of the air inlet pipe 13.

It should be noted that the insulating trolley and the bracket system jointly form an insulating electrical air gap, and the adjustment is performed according to the voltage class of the object, so that the requirement of the full voltage class is met. The insulating dolly is whole defroster's bearing basis, through the manpower implementation, is convenient for to the operation of cutting ice of magnetic support 4, and conveniently carries out the operation of transition between the transformer interval.

The device has the advantages of simple structure, convenient installation and operation, repeated utilization, economy, practicality, convenient carrying and management, flexible use, reasonable design, compact structure and good market prospect.

When the portable assembling device is used, the portable assembling device can be carried to a working site for assembly, the operation range of the whole assembling process is very small, workers can finish the assembling process on the ground, the workers do not need to climb, the safety of the whole installing and using process is high, time and labor are saved, the mounting device is very convenient, the safety of the workers is protected, and the working efficiency is greatly improved; the operation space is small, the application range is wide, the operation is simple, the device can be used in various occasions of the transformer substation, the maintenance is convenient, and the operation can be completed by one person. The volume is small, and the tool is very convenient to use and easy to carry; the tool is simple to use and operate, can be quickly used for deicing various types of equipment of the transformer substation, and is convenient and fast to maintain.

It should be noted that the detailed description of the invention is not included in the prior art, or can be directly obtained from the market, and the detailed connection mode can be widely applied in the field or daily life without creative efforts, and the detailed description is not repeated here.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. The utility model provides an electrified defroster of substation equipment which characterized in that: the hot wire deicing cutting gun comprises an air hot wire deicing cutting gun, a hot air flow heating device and a movable supporting device;

the hot airflow heating device is arranged on the movable supporting device.

2. Electrified defroster of substation equipment according to claim 1, characterized in that: the movable and static gun heads comprise gun seats and air passage rotating seats; the gun seat is of a hollow cavity structure; one end of the air passage swivel base is provided with an air inlet main channel communicated with the hollow cavity of the gun seat, and the other end of the air passage swivel base is provided with a branch channel communicated with the air inlet main channel; the nozzles are respectively arranged at the two radial ends of the air passage swivel base and are respectively communicated with the branch channels; one end of the air inlet pipe is communicated with the hollow cavity, and the other end of the air inlet pipe is connected with a hot air flow outlet end of the hot air flow heating device.

3. Electrified defroster of substation equipment according to claim 2, characterized in that: the air inlet main channel and the two branch channels form a channel structure of a three-way structure, and the branch channels are symmetrically arranged on two sides of the air inlet main channel by forming a T-shaped new side channel structure to realize uniform distribution of hot air flow.

4. Electrified defroster of substation equipment according to claim 1, characterized in that: the gun seat is also provided with a locking screw; the locking screw is in threaded connection with the gun seat and is axially arranged corresponding to the closed end of the air inlet main channel, and the locking screw can be axially abutted and limited against the closed end of the air inlet main channel by screwing the locking screw, so that the gun seat and the air channel rotating seat are relatively positioned.

5. Electrified defroster of substation equipment according to claim 1, characterized in that: the two nozzles are respectively arranged at two ends of the air passage swivel base in the diameter direction; the axes of the outlet pipe ends of the opposite nozzles are intersected.

6. Electrified defroster of substation equipment according to claim 1, characterized in that: a handheld positioning device is also arranged; the handheld positioning device comprises a gun clamping hoop, a support and an insulating operating rod; the bayonet of the gun clamping hoop is clamped on the gun base; the connecting part at the outer end of the bayonet of the gun clamping hoop is arranged on the support through a bolt assembly; the insulating operating rod is detachably connected with the support.

7. Electrified defroster of substation equipment according to claim 1, characterized in that: the hot air flow heating device comprises a box body, an electric heater and a heat exchange tube;

8. Electrified defroster of substation equipment according to claim 7, characterized in that: the middle section of the heat exchange tube is of a spiral tube body structure.

9. Electrified defroster of substation equipment according to claim 7, characterized in that: a box cover is also arranged; the box cover is arranged on an upper opening of the box body; the tank cover is also provided with a water filling port; and a self-sounding cover is also arranged behind the water filling port.

10. Electrified defroster of substation equipment according to claim 1, characterized in that: the movable supporting device comprises an insulating movable trolley and a supporting mechanism; the supporting mechanism comprises a rotating supporting upright post, a supporting cross beam and a spring angle support; the rotary supporting upright post is arranged on the insulation moving trolley; one axial end of the supporting beam is hinged with the top of the supporting upright post; the two axial ends of the spring angle support are respectively connected with the rotary supporting upright post and the supporting cross beam in a positioning mode, and the spring angle support is used for achieving positioning elastic support of the rotary supporting upright post and the supporting cross beam.