CN216904181U

CN216904181U - Quick plugging device in hole in station

Info

Publication number: CN216904181U
Application number: CN202220039853.6U
Authority: CN
Inventors: 钟志祥; 魏倩霓; 裴雯; 张俊东; 高昱磊; 宫建峰; 陈滢滢; 苏雪娟; 贾莹莹; 唐欣悦; 纪禹; 任新辉; 颜士承; 谢凯; 许峰; 司马昆; 李迎龙; 刘朝亮; 张海波
Original assignee: State Grid Corp of China SGCC; Chuzhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Chuzhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-07-05
Anticipated expiration: 2032-01-05

Abstract

The utility model provides a rapid plugging device for an inner hole of a station, which comprises a material storage device, a material outlet head, a material pushing rod and a heating control device, wherein the material storage device comprises a material storage box, a material outlet pipe and a material pushing rod; the container body of the stocker sequentially comprises a storage chamber, a heating chamber, a heat insulation layer and a protective sleeve from inside to outside, wherein plugging materials are arranged in the storage chamber, and a heating assembly is arranged in the heating chamber; the material pushing rod is used for pushing materials, one end of the material pushing rod is arranged outside the material storage device, and the other end of the material pushing rod can do push-pull movement in the material storage chamber; the heating control device is connected with the heating assembly in the heating chamber and used for controlling heating. The utility model has the advantages that the heating component can be heated through the heating control device, so that the fireproof mud in the storage chamber is heated and softened, and when the fireproof mud is heated and softened, the fireproof mud is pushed out from the discharge hole through the material pushing rod, so that the holes of the transformer substation can be easily and effectively plugged; the device has the advantages of compact structure, convenient operation and wide application range, can greatly improve the plugging efficiency of the inner hole of the station, and can effectively ensure the safety of workers.

Description

Quick plugging device in hole in station

Technical Field

The utility model relates to the field of transformer substation hole plugging, in particular to a quick plugging device for a hole in a substation.

Background

The accident that the operation equipment in the transformer substation is stopped due to the intrusion of the small animals happens occasionally, and how to effectively prevent the intrusion of the small animals becomes one of the key points and difficulties of the daily operation and maintenance work of the transformer substation. Holes can be reserved in cable ducts, switch cabinets and protection screens of transformer substations due to penetration and access of various cables, and drain pipes of equipment such as air conditioners, dehumidifiers and the like in the transformer substations can generate holes between walls and cabinets, the holes provide convenient channels for invasion of small animals, and if the holes cannot be plugged in time and effectively, great hidden dangers can be buried in safe and stable operation of related equipment in the transformer substations.

The material that current fortune dimension staff carried out the shutoff to hole in the station hole and handles the adoption mainly is fire prevention mud, and fire prevention mud is great under the normal atmospheric temperature especially low temperature environment, is difficult to carry out moulding to it with the hand, and it is very inconvenient to use, and the fire prevention mud piece thickness that manual decomposition goes out, and is not of uniform size, leads to on-the-spot shutoff technology often to reach the requirement, and the shutoff quality is not high. In order to solve the problems, workers commonly use hot water to soften the fireproof mud on the spot, the mode is time-consuming and labor-consuming, and the situation that the hot water cannot be supplied in time often occurs. In addition, the fire clay is heated and softened by adopting 'quick heater' on site sometimes, and obviously, the mode has considerable potential safety hazard, and workers are easy to get an electric shock, scald and the like.

Therefore, the device which can rapidly heat and soften the plugging materials such as the fire clay and the like so as to improve the plugging efficiency and the plugging quality of the inner hole of the station is urgently needed to be developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a quick plugging device for the inner hole of the station, which has the advantages of compact structure, convenient operation and wide application range, can greatly improve the plugging efficiency of the inner hole of the station, and can effectively ensure the personal safety of workers.

The utility model adopts the following technical scheme to solve the technical problems:

a quick plugging device for an inner hole in a station comprises a material storage device, a material outlet head connected to the front end of the material storage device, a material pushing rod movably connected with the rear end of the material storage device and a heating control device; the container body of the stocker sequentially comprises a storage chamber, a heating chamber, a heat insulation layer and a protective sleeve from inside to outside, wherein plugging materials are arranged in the storage chamber, and a heating assembly is arranged in the heating chamber; the material pushing rod is used for pushing materials, one end of the material pushing rod is arranged outside the material storage device, and the other end of the material pushing rod can do pushing and pulling movement in the length direction of the material storage device in a material storage chamber of the material storage device; the heating control device is connected with the heating assembly in the heating chamber and used for controlling heating.

In a preferred aspect of the present invention, the hopper includes the body, a front cover and a rear cover, the front cover is provided at a front port of the body, and the rear cover is provided at a rear port of the body; the material outlet head is assembled and disassembled with the device body through the front cover, and the material pushing rod extends into the material storage chamber of the device body through a through hole in the rear cover and is movably matched with the material storage chamber.

In a preferred aspect of the present invention, the stocker body further has a handle provided on an outer surface thereof.

As one preferable mode of the present invention, the discharge head includes a discharge port and a regulating valve; the regulating valve is used for regulating the caliber size of the discharge hole.

In a preferred embodiment of the present invention, two regulating valves are provided, and the two regulating valves are symmetrically provided on both sides of the discharge port.

As one of the preferable modes of the utility model, the material pushing rod comprises a holding rod and a top ring; one end of the holding rod is positioned outside the stocker, and the other end of the holding rod extends towards the direction of the stocker and extends into the storage chamber of the stocker; the tail end of the holding rod, which is positioned in the material storage chamber, is connected with the top ring.

In a preferred aspect of the present invention, the grip rod has a length longer than a length of the reservoir chamber, and an outer diameter of the top ring corresponds to an inner diameter of the reservoir chamber.

As one preferable mode of the present invention, the heating control device includes a voltage reduction circuit, a power supply circuit, and a control circuit, which are connected in sequence; the voltage reduction circuit is formed by connecting a resistor R1 and a capacitor C1 in parallel and then connecting the resistor R1 and the capacitor C1 in series with an inductor L1; the power supply circuit is formed by sequentially connecting a rectifier bridge circuit consisting of a diode VD1, a diode VD2, a diode VD3 and a diode VD4 in parallel with a voltage stabilizing diode VD5 and a filter capacitor C2; the control circuit comprises a potentiometer R2, a temperature sensing resistor R3, a three-terminal voltage stabilization integrator A17809 and a light emitting diode LED, wherein the potentiometer R2 is connected with the temperature sensing resistor R3 in series, one end of the three-terminal voltage stabilization integrator A17809 is connected with a junction of the potentiometer R2 and the temperature sensing resistor R3, and the other end of the three-terminal voltage stabilization integrator A17809 is connected with a junction of the light emitting diode LED and the potentiometer R2.

As one preferable mode of the present invention, an input end of the voltage reduction circuit is connected to an external power supply, and an output end of the control circuit is connected to the heating element.

In a preferred embodiment of the present invention, the heating assembly is formed by connecting a plurality of heating sheets in series, and the heating sheets are in a mesh-like structure and made of copper wires.

Compared with the prior art, the utility model has the advantages that:

(1) when the device is used, the heating assembly can be heated through the heating control device, so that plugging materials such as fireproof mud in the storage chamber are heated and softened, the fireproof mud is pushed out from the discharge hole of the discharge head through the material pushing rod after being heated and softened, and the holes of the transformer substation can be effectively plugged easily; the device has the advantages of compact structure, convenient operation and wide application range, can greatly improve the plugging efficiency of the inner hole of the station, and can effectively ensure the personal safety of workers;

(2) the heating control device consists of a voltage reduction circuit, a power supply circuit and a control circuit; after the power supply is switched on, firstly, the voltage of the commercial power is reduced through the voltage reduction circuit, and then, the power supply circuit is used for completing rectification, filtering and voltage stabilization and then supplying power to the control circuit; in the working process, the control circuit can detect the temperature of the heating chamber; when the temperature of the heating chamber is lower than a set value, the power supply loop is conducted to supply power, and the heating assembly starts to heat; when the temperature of the heating chamber is higher than a set value, the power supply loop stops supplying power, and the heating assembly stops heating; therefore, the temperature of the heating chamber can be effectively controlled according to actual needs, so that the high efficiency, stability and safe use of the device are ensured;

(3) the main body of the utility model adopts a detachable structure, and the assembly and disassembly of the whole device can be completed through the front cover and the rear cover, thereby being beneficial to the maintenance and the cleaning of the device;

(4) the adjusting valve is arranged in the discharging head, the size of the discharging port can be adjusted, the discharging amount of the fireproof mud can be controlled according to different purposes, the use is convenient and quick, and meanwhile, the application scene of the device is expanded;

(5) the heating assembly is formed by winding metal wires into a sheet, and adopts a multi-module serial connection mode, so that the heating effect is good, and the response speed is high.

Drawings

FIG. 1 is a schematic view showing the overall structure of a device for rapidly plugging a hole in a station according to example 1;

fig. 2 is a schematic circuit diagram of a heating control apparatus in embodiment 1;

FIG. 3 is a schematic view of a heating unit in embodiment 1;

fig. 4 is a side view schematically showing the structure of the body in embodiment 1.

In the figure: the device comprises a material storage device 1, a device body 11, a material storage chamber 111, a heating chamber 112, a heat insulation layer 113, a protective sleeve 114, a heating assembly 115, a handle 116, a front cover 12, a rear cover 13, a discharge head 2, a discharge hole 21, a regulating valve 22, a pushing rod 3, a holding rod 31, a top ring 32, a heating control device 4, a voltage reduction circuit 41, a power supply circuit 42 and a control circuit 43.

Detailed Description

The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.

Example 1

As shown in fig. 1 to 4, the device for rapidly plugging an inner hole in a station of the present embodiment includes a stocker 1, a discharging head 2 connected to a front end of the stocker 1, a material pushing rod 3 movably connected to a rear end of the stocker 1, and a heating control device 4.

The stocker 1 comprises a container body 11, a front cover 12 and a rear cover 13 which are respectively covered at the front and rear ports of the container body 11; the body 11 sequentially comprises a storage chamber 111, a heating chamber 112, an insulating layer 113 and a protective sleeve 114 from inside to outside, the storage chamber 111 is filled with fireproof mud, and heating components 115 are uniformly arranged in the heating chamber 112. The heating assembly 115 is formed by connecting a plurality of heating sheets in series, the heating sheets are of a mesh-shaped structure, and the manufacturing material is copper wire.

The discharging head 2 comprises a discharging port 21 and a regulating valve 22; the number of the adjusting valves 22 is two, and the two adjusting valves 22 are symmetrically arranged on the upper side and the lower side of the discharge port 21. Wherein, discharge gate 21 is used for ejection of compact fire prevention mud, and governing valve 22 is used for adjusting the bore size of discharge gate 21 to the load of strictly controlling fire prevention mud.

The material pushing rod 3 comprises a holding rod 31 and a top ring 32; one end of the holding rod 31 is located outside the stocker 1, and the other end thereof extends toward the direction of the stocker 1 and extends into the storage chamber 111 of the stocker 1; the end of the grip 31 located in the storage chamber 111 is connected to the top ring 32. The holding rod 31 is used for manually pushing material, one end of the holding rod is arranged outside the stocker 1, and the other end of the holding rod drives the top ring 32 to perform push-pull motion in the storage chamber 111 of the stocker 1 along the length direction of the storage chamber.

The heating control device 4 is used for heating control of the heating component 115 and comprises a voltage reduction circuit 41, a power supply circuit 42 and a control circuit 43 which are connected in sequence; wherein, the input end of the voltage reduction circuit 41 is connected with an external power supply, and the output end of the control circuit 43 is connected with the heating component 115. Specifically, the voltage-reducing circuit 41 is formed by connecting a resistor R1 in parallel with a capacitor C1 and then connecting the resistor R1 in series with an inductor L1; the power supply circuit 42 is formed by connecting a rectifier bridge circuit consisting of a diode VD1, a diode VD2, a diode VD3 and a diode VD4 in parallel with a voltage stabilizing diode VD5 and a filter capacitor C2 in sequence; the control circuit 43 comprises a potentiometer R2, a temperature sensing resistor R3, a three-terminal voltage stabilization integrator a17809 and a light emitting diode LED, wherein the potentiometer R2 is connected with the temperature sensing resistor R3 in series, one end of the three-terminal voltage stabilization integrator a17809 is connected with a junction of the potentiometer R2 and the temperature sensing resistor R3, and the other end of the three-terminal voltage stabilization integrator a17809 is connected with a junction of the light emitting diode LED and the potentiometer R2.

In addition, it should be noted that, in the present embodiment, the material outlet 2 is assembled with and disassembled from the body 11 through the front cover 12, and the material pushing rod 3 extends into the material storage chamber 111 of the body 11 through the through hole on the rear cover 13 to be movably matched therewith.

Meanwhile, a handle 116 is further provided on the outer surface of the body 11 of the stocker 1 for convenience of carrying and pushing the rod.

In addition, for better dimensional fit, the length of the grip 31 is designed to be greater than the length of the reservoir 111, and the outer diameter of the top ring 32 is designed to correspond to the inner diameter of the reservoir 111.

In the specific use process of the embodiment: (1) the front cover 12 or the rear cover 13 can be detached from the device body 11, a certain amount of plugging materials such as fire-proof mud can be put into the storage chamber 111 after detachment, and then the front cover 12 or the rear cover 13 is assembled with the device body 11. (2) The storage chamber 111 is located at the innermost layer of the vessel body 11, the top ring 32 is arranged inside the storage chamber 111, and the sealing material such as fire-proof mud in the storage chamber 111 can be extruded out of the discharge hole 21 through the holding rod 31 and the top ring 32. (3) Two regulating valves 22 are arranged at the positions, close to the discharge hole 21, of the discharge head 2, and the caliber of the discharge hole 21 is regulated through the regulating valves 22, so that the discharge amount of the plugging objects can be regulated in real time according to the field requirements. (4) The heating chamber 112 is arranged outside the material storage chamber 111, the heating assembly 115 is arranged inside the heating chamber 112, the heating assembly 115 is composed of a series of heating sheets, and plugging materials such as fireproof mud in the material storage chamber 111 can be quickly softened by electrifying and heating the heating chamber 112, so that the molding is facilitated. (5) The outside of the heating chamber 112 is provided with the heat insulating layer 113, and the temperature of the heating chamber 112 can be insulated through the heat insulating layer 113, so that the temperature in the heating chamber 112 is prevented from being reduced too fast, and the heat insulating effect is improved. (6) The outer side of the insulating layer 113 is provided with a protective sleeve 114, and the protective sleeve 114 is made of high-temperature-resistant insulating thermal plastic, so that an operator can be prevented from being scalded when using the device. (7) In view of safety and efficiency, the heating assembly 115 of the present embodiment is not directly connected to the mains for heating, but is provided with the heating control device 4, and the heating chamber 112 is heated and temperature-controlled by the heating control device 4; the heating control device 4 is composed of a voltage reduction circuit 41, a power supply circuit 42 and a control circuit 43, after the mains supply is switched on, the voltage reduction circuit 41 performs voltage reduction processing on the mains supply with the voltage of 220V, then the power supply circuit 42 completes rectification, filtering and voltage stabilization and then supplies power to the control circuit 43, and the potentiometer R2, the temperature sensing resistor R3 and the three-terminal voltage stabilization integrator A17809 in the control circuit 43 can complete the adjustment of the temperature inside the heating chamber 112. If a temperature range is set, when the temperature inside the heating chamber 112 is lower than the lowest value of the set temperature range, the power supply circuit 42 is powered on, the heating element 115 starts to heat, and the heating chamber 112 starts to heat; when the temperature inside the heating chamber 112 is higher than the maximum value of the set temperature range, the power supply circuit 42 stops supplying power, and the heating element 115 stops heating; the control circuit 43 is provided with a light emitting diode LED, and the light emitting diode LED is turned on when the device is electrified and heated, and is turned off when the device is not heated.

It should be noted that, how to set the temperature range, how to compare the set temperature with the current heating temperature, how to select the start of the heating program or stop heating according to the current temperature, and the like are relatively mature technologies in the field of electric control. Accordingly, except for the electronic control elements and the corresponding connection relationships described and defined above, other elements or circuits that are not illustrated are conventional technical means in the art, and are not described in detail herein.

In summary, the heating assembly 115 can be heated by the heating control device 4, so that the plugging material such as the fire-proof mud in the storage chamber 111 is heated and softened, and when the fire-proof mud is heated and softened, the fire-proof mud is pushed out from the discharge port 21 of the discharge head 2 by the material pushing rod 3, so that the holes of the transformer substation can be plugged effectively; this embodiment device compact structure, convenient operation, application scope is wide, can increase substantially hole shutoff efficiency in the lifting station, simultaneously, can also effectively ensure staff's personal safety.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A quick plugging device for an inner hole in a station is characterized by comprising a material storage device, a material outlet head connected to the front end of the material storage device, a material pushing rod movably connected with the rear end of the material storage device and a heating control device; the container body of the stocker sequentially comprises a storage chamber, a heating chamber, a heat insulation layer and a protective sleeve from inside to outside, wherein plugging materials are arranged in the storage chamber, and a heating assembly is arranged in the heating chamber; the material pushing rod is used for pushing materials, one end of the material pushing rod is arranged outside the material storage device, and the other end of the material pushing rod can perform push-pull motion in the length direction of the material storage chamber of the material storage device; the heating control device is connected with the heating assembly in the heating chamber and used for controlling heating.

2. The station hole rapid plugging device according to claim 1, wherein the stocker comprises the container body, a front cover and a rear cover, the front cover is arranged at the front port of the container body, and the rear cover is arranged at the rear port of the container body; the material outlet head is assembled and disassembled with the device body through the front cover, and the material pushing rod extends into the material storage chamber of the device body through a through hole in the rear cover and is movably matched with the material storage chamber.

3. The station inner hole rapid plugging device according to claim 1, wherein the outer surface of the stocker body is further provided with a handle.

4. The station internal cavern rapid blocking device as claimed in claim 1, wherein the discharge head comprises a discharge port and a regulating valve; the regulating valve is used for regulating the caliber size of the discharge hole.

5. The station inner hole rapid plugging device according to claim 4, wherein two regulating valves are provided, and the two regulating valves are symmetrically arranged at two sides of the discharge hole.

6. The station internal cavern rapid blocking device as claimed in claim 1, wherein the material pushing rod comprises a holding rod and a top ring; one end of the holding rod is positioned outside the stocker, and the other end of the holding rod extends towards the direction of the stocker and extends into the storage chamber of the stocker; the tail end of the holding rod, which is positioned in the material storage chamber, is connected with the top ring.

7. The rapid in-station holing blocking device according to claim 6, wherein the length of the holding rod is larger than the setting length of the storage chamber, and the outer diameter of the top ring corresponds to the inner diameter of the storage chamber.

8. The station inner hole rapid plugging device according to claim 1, wherein the heating control device comprises a voltage reduction circuit, a power supply circuit and a control circuit which are connected in sequence; the voltage reduction circuit is formed by connecting a resistor R1 and a capacitor C1 in parallel and then connecting the resistor R1 and the capacitor C1 in series with an inductor L1; the power supply circuit is formed by connecting a rectifier bridge circuit consisting of a diode VD1, a diode VD2, a diode VD3 and a diode VD4 in parallel with a voltage stabilizing diode VD5 and a filter capacitor C2 in sequence; the control circuit comprises a potentiometer R2, a temperature sensing resistor R3, a three-terminal voltage stabilization integrator A17809 and a light emitting diode LED, wherein the potentiometer R2 is connected with the temperature sensing resistor R3 in series, one end of the three-terminal voltage stabilization integrator A17809 is connected with a junction of the potentiometer R2 and the temperature sensing resistor R3, and the other end of the three-terminal voltage stabilization integrator A17809 is connected with a junction of the light emitting diode LED and the potentiometer R2.

9. The station internal hole rapid plugging device according to claim 8, wherein an input end of the voltage reduction circuit is connected with an external power supply, and an output end of the control circuit is connected with the heating assembly.

10. The station inner hole rapid plugging device according to any one of claims 1 to 9, wherein the heating assembly is formed by connecting a plurality of heating sheets in series, and the heating sheets are of a mesh-like structure.