CN111336734A - An air hot wire deicing cutting gun - Google Patents

Abstract

The invention provides an air hot wire deicing cutting gun, which relates to the technical field of power system equipment and 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 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 joint of the air inlet pipe is communicated with the air passage rotary seat and is used for realizing hot air flow supply of the device. According to the ice cutting machine, 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 the 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.

Description

An air hot wire deicing cutting gun

technical field

The invention relates to the technical field of power system equipment, in particular to an air hot wire deicing and cutting torch.

Background technique

Ice-covered substation equipment refers to the fact that the insulation support, bare charged body and mechanism motion pair of open-air substation equipment are frozen with a thick layer of ice due to weather conditions. Hazards of ice attached to substation equipment: The insulation support of substation equipment and the ice attached to the bare charged body will increase the creepage distance, reduce the insulation, and cause flashover or discharge conduction. The ice attached to the mechanism motion pair will cause it to freeze into one , the opening, closing action or other required actions cannot be realized, resulting in the operation being unable to be implemented.

In the past, the ice attached to the substation equipment was usually removed by manual knocking, which was labor-intensive, low in efficiency, poor in effect, and vulnerable to equipment, which could not meet the requirements of equipment deicing. The reliability of the work needs to be improved.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an air heating wire deicing cutting gun, which aims to solve the technical problem of cutting off the ice attached to the substation equipment.

To achieve the above purpose, the present invention is achieved through the following technical solutions:

An air hot wire deicing and cutting gun, comprising a static and dynamic gun head, a nozzle and an air intake pipe;

The static and dynamic gun head includes a gun seat and an air channel swivel; the air channel swivel is arranged on the gun seat and is coaxially rotatably connected with the gun seat; the nozzle is arranged on the air channel swivel ; The air outlet ends of the nozzles are arranged opposite to each other, so as to realize the cross-arrangement of the hot air flow ejected from the nozzles;

The joint of the air intake pipe is communicated with the air passage swivel seat, and is used to realize the hot air supply of the device.

As a further improvement of the present invention, the gun seat has a hollow cavity structure; one end of the air passage swivel base is provided with an air intake main channel communicating with the hollow cavity, and the other end is provided with an air intake main channel connected to the air intake main body. channel-connected branch channels;

The nozzle is communicated with the branch channel respectively; the joint of the intake pipe is communicated with the hollow cavity.

As a further improvement of the present invention, one of the main intake channels and two of the branch channels form a three-way channel structure. By forming a new side channel structure with a "T" shape, the branch channels are symmetrically arranged in the intake channels. Both sides of the air main channel to achieve uniform distribution of hot air flow.

As a further improvement of the present invention, the axial outer end of the main air intake passage is a closed end; and a plurality of air intake holes are evenly distributed on the radial side of the main air intake passage body.

As a further improvement of the present invention, the gun seat is also provided with a locking screw; the locking screw is threadedly connected to the gun seat, and is axially corresponding to the closed end of the main air inlet channel. The locking bolt can realize the axial contact limit of the locking bolt with the closed end of the air inlet main channel, so as to realize the relative positioning setting of the gun seat and the air channel swivel seat.

As a further improvement of the present invention, two of the nozzles are respectively arranged at two ends of the air passage swivel in the diametrical direction; the axes of the opposite ends of the air outlet pipes of the nozzles are arranged to intersect.

As a further improvement of the present invention, a sealing assembly is further provided between the gun seat and the airway swivel base; the sealing assembly includes a fixing ring sleeve, a sealing felt ring, a bearing and a snap ring; the fixing ring sleeve and the sealing felt ring , a bearing and a snap ring are sleeved on the main air intake passage.

As a further improvement of the present invention, the fixing ring sleeve is positioned and installed with the gun seat by screws; the bearing is a rolling bearing, the inner ring of the bearing is closely matched with the air intake main channel, and the outer ring is connected with the gun seat. The seat fits tightly; the bearing is arranged between the shaft step and the snap ring to realize the position limit of the bearing.

As a further improvement of the present invention, the air intake pipe is connected to the air pump through a pipeline, and a heater is also provided on the pipeline, so as to realize the transportation of hot air.

As a further improvement of the present invention, a hand-held positioning device is also provided; the hand-held positioning device includes a clamp hoop, a support and an insulating operating rod; the bayonet of the clamp hoop is clamped on the gun seat; The outer end connecting part of the clamp clamp is mounted on the support through a bolt assembly; the insulating operating rod is detachably connected to the support.

Compared with the prior art, the beneficial effects of the present invention are:

In the present invention, the air outlet ends of the nozzles are oppositely arranged, and the airflows of the nozzles intersect, so as to obtain a cross-vertical hot air secant line or an eccentric hot air secant line. The secant creates a rotating moment on the static and dynamic gun head, which makes it rotate to obtain a conical secant, which can cut off the block-shaped ice; the ice is cut through the hot airflow, without the need for tools or equipment to tap, reducing the power consumption The damage of the equipment greatly reduces the labor intensity, and the hot air accelerates the melting of the ice cubes, greatly improves the deicing efficiency, and the deicing effect is good; at the same time, by using the hot air to cut the ice, the equipment does not need to be removed by power failure. It greatly improves the working reliability of the substation, is economical and practical, and is worthy of widespread promotion.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the overall structure side view of the present invention;

3 is a schematic diagram of the mounting structure of the gun head of the present invention;

4 is a schematic diagram of the internal structure of the airway swivel of the present invention;

Fig. 5 is the side view of the airway swivel seat of the present invention;

Fig. 6 is the structure schematic diagram of the gun seat of the present invention;

Fig. 7 is the side view of Fig. 6 of the present invention;

Fig. 8 is the structural representation of the clamping gun hoop of the present invention;

Fig. 9 is the side view of Fig. 8 of the present invention;

Figure 10 is a schematic diagram of the support structure of the present invention;

Figure 11 is a side view of Figure 10 of the present invention;

Description of the labels in the figure:

1. Static and dynamic gun head; 11. Gun seat; 12. Airway swivel; 121. Air intake main channel; 1211. Air intake hole; 122. Branch channel; 123. Positioning nut; 13. Locking screw; 14. Seal assembly ;141, fixed ring sleeve; 142, sealing felt ring; 143, bearing; 144, snap ring; 2, nozzle; 3, air intake pipe; 4, handheld positioning device; , Insulation operating rod; 44. Bolt assembly.

Detailed ways

In order to make the purposes, 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 in conjunction with the embodiments of the present invention. Obviously, the described embodiments are part of the present invention. examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

With reference to Figures 1 to 11, the present invention provides an air heating wire deicing and cutting gun, which aims to solve the technical problem of cutting off ice attached to substation equipment.

Specifically, in conjunction with Fig. 1, Fig. 2 and Fig. 3, it includes a static and dynamic gun head 1, a nozzle 2 and an air intake pipe 3;

The static and dynamic gun head 1 includes a gun seat 11 and an air passage swivel base 12; the air passage swivel base 12 is arranged on the gun base 11 and is connected with the gun base 11 for coaxial rotation; the nozzle 2 is arranged on the on the air passage swivel seat 12; the air outlet ends of the nozzles 2 are arranged opposite to each other, so as to realize the cross-arrangement of the hot air flow ejected from the nozzles 12;

The joint of the air intake pipe 3 is communicated with the air passage swivel base 12 for realizing the hot air supply of the device.

In the present invention, the air outlet ends of the nozzles are oppositely arranged, and the airflows of the nozzles intersect, so as to obtain a cross-vertical hot air secant line or an eccentric hot air secant line. The secant creates a rotating moment on the static and dynamic gun head, which makes it rotate to obtain a conical secant, which can cut off the block-shaped ice; the ice is cut through the hot airflow, without the need for tools or equipment to tap, reducing the power consumption The damage of the equipment greatly reduces the labor intensity, and the hot air accelerates the melting of the ice cubes, greatly improves the deicing efficiency, and the deicing effect is good; at the same time, by using the hot air to cut the ice, the equipment does not need to be removed by power failure. It greatly improves the working reliability of the substation, is economical and practical, and is worthy of widespread promotion.

The gun seat 11 has a hollow cavity structure; one end of the air passage swivel base 12 is provided with an air intake main channel 121 communicating with the hollow cavity, and the other end is provided with an air intake main channel 121 communicated with the air intake main channel 121 . The branch channel 122; the nozzle 2 is communicated with the branch channel 122 respectively; the joint of the air inlet pipe 3 is communicated with the hollow cavity, so as to realize the hot air supply of the device.

In one embodiment, referring to FIGS. 4 and 5 , one of the main intake channels 121 and two of the branch channels 122 form a channel structure of a three-way structure. By forming a new “T”-shaped side channel structure, The branch passages 122 are symmetrically arranged on both sides of the main intake passage 121 to achieve uniform distribution of the hot air flow.

It should be noted that: the axial outer end of the main air intake channel 121 is a closed end; the radial side of the main air intake channel 121 is evenly distributed with a plurality of air intake holes 1211 .

Preferably, the axes of the joint of the air inlet pipe 3, the gun seat 11 and the main air inlet channel 121 are arranged in parallel, so as to realize the compact installation of the whole device.

The gun seat 11 is also provided with a locking screw 13; the locking screw 13 is threadedly connected to the gun seat 11 and is axially corresponding to the closed end of the air inlet main channel 121. The locking bolt can realize the axial contact limit of the locking bolt with the closed end of the air inlet main channel 121, so as to realize the relative positioning of the gun seat 11 and the air channel swivel seat 12; At the same time, the uniform air intake of the channel swivel base 12 does not affect the relative positioning of the gun base 11 and the air channel swivel base 12 through the locking bolts.

In one embodiment, referring to FIGS. 3 , 6 and 7 , the two nozzles 2 are respectively arranged at both ends of the air passage swivel 12 in the diameter direction; Intersect settings.

Preferably, the nozzle 2 is installed on the static and dynamic gun head 1 ; specifically, the air passage swivel 12 is further provided with a positioning nut 123 , and the positioning nut 123 is positioned coaxially with the opening communicating with the end of the branch channel 122 . setting; the nozzle 2 is screwed with the positioning nut 123 and then arranged corresponding to the opening, so as to realize the communication between the nozzle 2 and the branch channel 122 .

A sealing assembly 14 is also provided between the gun seat 11 and the air channel swivel seat 12; an internal high-pressure gas channel is established through the process hole sealing bolt and the process hole sealing screw, so that it has functions such as ventilation, rotation, support, etc., and cooperates with the static and dynamic gun. The head 1 locking screw 13 realizes the ice cutting operation under all working conditions.

Preferably, the sealing assembly 14 includes a fixed ring sleeve 141, a sealing felt ring 142, a bearing 143 and a snap ring 144; the fixed ring sleeve 141, the sealing felt ring 142, the bearing 143 and the snap ring 144 are sleeved on the inlet Air main channel 121.

It should be noted that, the fixing ring sleeve 141 is positioned and installed with the gun seat by screws; the bearing 143 is a rolling bearing 143, the inner ring of the bearing 143 is closely matched with the air intake main channel 121, and the outer ring is The gun seat 11 is tightly fitted; the bearing 143 is arranged between the shaft step and the snap ring 144 to limit the position of the bearing 143 .

The functions of supporting, positioning, rotating and sealing of the static and dynamic gun head 1 are realized together.

The open end of the gun seat 11 is in contact with the shaft step on the main air inlet channel 121 of the air channel swivel seat 12 , so as to seal the hot air flow in the gun seat 11 .

The air intake pipe 3 is connected to the air pump through a pipeline, and a heater is also provided on the pipeline, so as to realize the transportation of hot air.

In another embodiment, with reference to FIGS. 8 , 9 , 10 and 11 , a handheld positioning device 4 is further provided; the handheld positioning device 4 includes a clamp 41 , a support 42 and an insulating operating rod 43 ; the bayonet of the caliper 41 is clamped on the gun seat 11; the outer end connection of the bayonet of the caliper 41 is mounted on the support 42 through the bolt assembly 44; the insulation The operating rod 43 is detachably connected to the support 42; by setting the insulating operating rod 43 including the swing hinge support 42 to have the functions of equipotential operation and ground potential operation, the swing hinge support 42 has the pitch and swing adjustment of the air heating wire cutting gun Function.

The device is simple in structure, convenient in installation and operation, reusable, economical and practical, easy to carry and manage, flexible in use, reasonable in design, compact in structure, and has a good market prospect.

When the present invention is used, it can be carried to the work site for assembly, and the operation range of the whole assembly process is very small, the staff can complete it on the ground, the staff does not need to climb up, the whole installation and use process is safe, and saves time and effort. It is very convenient, protects the safety of staff, and greatly improves work efficiency; it has small working space, large scope of use, and simple operation. It can be used in various occasions in substations, and is easy to maintain. One person can complete the operation. Small in size, the tool is very convenient to use and easy to carry; the tool is easy to use and operate, can be used quickly when deicing various types of equipment in substations, and is convenient and convenient to maintain.

It should be noted that the parts not described in detail in the present invention belong to the well-known technology in the art, or can be directly purchased from the market, and can be obtained by those skilled in the art without creative work. It has an extremely wide range of applications in life and will not be described in detail here.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial, The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated devices or elements. It must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

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

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between the two elements, unless otherwise specified limit. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may be in direct contact between the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed 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, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

Although the embodiments of the present invention have been shown and described above, it should be understood that the above-mentioned embodiments are exemplary and should not be construed as limiting the present invention. Embodiments are subject to variations, modifications, substitutions and variations.

Claims (10)

1. an air hot wire deicing cutting torch, is characterized in that: comprise static and dynamic gun head, nozzle and air intake pipe; The static and dynamic gun head includes a gun seat and an air channel swivel; the air channel swivel is arranged on the gun seat and is coaxially rotatably connected with the gun seat; the nozzle is arranged on the air channel swivel ; The air outlet ends of the nozzles are arranged opposite to each other, so as to realize the cross-arrangement of the hot air flow ejected from the nozzles; The joint of the air intake pipe is communicated with the air passage swivel seat, and is used to realize the hot air supply of the device. 2 . The air heating wire deicing and cutting torch according to claim 1 , wherein: the gun seat is a hollow cavity structure; one end of the air passage swivel seat is provided with an air intake that communicates with the hollow cavity. 3 . a main channel, the other end of which is provided with a branch channel communicating with the main air intake channel; The nozzle is communicated with the branch channel respectively; the joint of the intake pipe is communicated with the hollow cavity. 3. The air heating wire deicing and cutting torch according to claim 2, characterized in that: one of the main air intake channels and the two branch channels form a channel structure of a three-way structure, and by forming a new side of the "T" In the channel structure, the branch channels are symmetrically arranged on both sides of the main intake channel to achieve uniform distribution of the hot air flow. 4 . The air heating wire deicing and cutting torch according to claim 1 , wherein the axial outer end of the air intake main channel is a closed end; the radial sides of the air intake main channel body are evenly distributed. 5 . There are multiple air intake holes. 5 . The air heating wire deicing and cutting torch according to claim 1 , wherein: the gun seat is further provided with a locking screw; the locking screw is threadedly connected to the gun seat, and is connected with the air inlet. The closed end of the main channel is axially correspondingly arranged, and by screwing the locking bolt, the axial abutment limit of the locking bolt and the closed end of the main air intake channel can be realized, so as to realize the rotation of the gun seat and the air channel. The relative positioning of the seat is set. 6 . The air heating wire deicing and cutting torch according to claim 1 , wherein the two nozzles are respectively arranged at both ends of the air passage swivel in the diametrical direction; the axis of the air outlet pipe end of the opposite nozzles Intersect settings. 7 . The air heating wire deicing and cutting torch according to claim 1 , wherein a sealing assembly is further provided between the gun seat and the airway swivel base; the sealing assembly comprises a fixed ring sleeve, a sealing felt ring, a bearing and a snap ring; the fixing ring sleeve, the sealing felt ring, the bearing and the snap ring are sleeved on the air intake main channel. 8 . The air heating wire deicing and cutting torch according to claim 7 , wherein the fixed ring sleeve is positioned and installed with the gun seat by screws; the bearing is a rolling bearing, and the inner ring of the bearing is connected to the The main air intake channel is closely matched, and the outer ring is closely matched with the gun seat; the bearing is arranged between the shaft step and the snap ring to realize the limit of the bearing. 9 . The air heating wire deicing and cutting torch according to claim 1 , wherein the air inlet pipe is connected to the air pump through a pipeline, and a heater is also provided on the pipeline to realize the transportation of hot air flow. 10 . . 10. The air heating wire deicing and cutting torch according to claim 1, characterized in that: a hand-held positioning device is further provided; The bayonet of the hoop is clamped on the gun seat; the outer end connecting part of the bayonet of the clamp is mounted on the support through a bolt assembly; the insulating operating rod is detachably connected to the support.

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