CN218957564U - Reclosing safety structure of small hydropower station public internet line - Google Patents

Abstract

The utility model discloses a reclosing safety structure of a small hydropower station public internet surfing line, which comprises the following components: the device comprises a shell, wherein a mounting block is arranged in the middle of the shell, mounting grooves are formed in the mounting block at equal intervals, and a wrench is rotatably arranged in each mounting groove; the wrench is provided with a safety component, the safety component comprises a protective sleeve, a mounting bar and a fireproof layer, the protective sleeve is composed of a rectangular frame and a trapezoidal sleeve, the protective sleeve is clamped on the mounting bar, the trapezoidal sleeve is fixedly connected to the rectangular frame and sleeved on the wrench, the trapezoidal groove is made of rubber materials, the inner volume of the trapezoidal groove is larger than that of the wrench, the two fireproof layer is fixedly connected to two sides of the rectangular frame, and the fireproof layer is sleeved inside the protective sleeve and is made of fireproof materials. The utility model isolates the water vapor, reduces the erosion of the water vapor to reclosure, and improves the use safety of the whole reclosure.

Description

Reclosing safety structure of small hydropower station public internet line

Technical Field

The utility model relates to the technical field of reclosing, in particular to a reclosing safety structure of a small hydropower public internet line.

Background

The small hydropower station is short for a small hydropower station, and refers to a hydropower station or a hydropower device with small installed capacity, and the small hydropower station has various characteristics: dispersibility; the negative influence on the ecological environment is small; the technology is mature, a public line connected with small hydropower stations is usually used, multiple power sources are used for supplying power to the same load area, and the influence on a power distribution network is more obvious, wherein the reclosing device is widely applied to power line protection and is one of self-recovery power supply methods commonly adopted in power grid operation.

Chinese patent CN113380590B discloses a small shell frame leakage reclosing, which comprises a housing, and a handle, a tripping mechanism, a thermal trip, a magnetic trip, a link mechanism and an indicating structure which are arranged on the housing, wherein the indicating structure is linked with the tripping mechanism and is used for locking the tripping mechanism and indicating whether the tripping mechanism is locked or not. When the indicating structure does not lock the trip mechanism, etc.

However, because reclosing is in the position that steam content is higher for a long time, the reclosing unit in the reclosing shell is easy to age, the insulating strength is reduced, and potential safety hazards such as corrosion of part of structural members are easy to occur due to long-term steam erosion, and especially, the wrench part is easy to enter steam due to the existence of an operation gap, and the situation that electric leakage occurs easily in the use process causes harm to the lives of maintainers.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, the reclosing unit in the reclosing shell is easy to age, the insulating strength is reduced, part of structural members are corroded and the like due to long-term water vapor erosion, particularly the situation that the spanner part is easy to enter water vapor due to operation gaps and is easy to generate electric leakage in the use process, and the life of an maintainer is endangered.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a small hydropower public internet line reclosing safety structure, comprising: the device comprises a shell, wherein a mounting block is arranged in the middle of the shell, mounting grooves are formed in the mounting block at equal intervals, and a wrench is rotatably arranged in each mounting groove;

the wrench is provided with a safety component, the safety component comprises a protection sleeve, a mounting bar and a fireproof layer, the protection sleeve is composed of a rectangular frame and a trapezoidal sleeve, the protection sleeve is clamped on the mounting bar, the trapezoidal sleeve is fixedly connected to the rectangular frame and sleeved on the wrench, the trapezoidal sleeve is made of rubber materials, the inner volume of the trapezoidal sleeve is larger than that of the wrench, the two fireproof layer is fixedly connected to two sides of the rectangular frame, and the fireproof layer is sleeved inside the protection sleeve and is made of fireproof materials.

Preferably, the inside extrusion subassembly that prevents that is provided with of protective sheath, prevent that extrusion subassembly sets up in the spanner upside for slow down the removal of spanner.

Preferably, the extrusion prevention component comprises a placement block, a control block, an energizing spring and an extrusion strip, wherein the placement block is fixedly installed on the installation block and is located at the upper side of the wrench, a sliding groove is formed in one side, close to the wrench, of the placement block, the control block is fixedly installed inside the sliding groove, one end of the energizing spring is fixedly connected to the control block, the other end of the energizing spring is fixedly connected with the extrusion strip, and the extrusion strip is interactively arranged inside the sliding groove.

Preferably, the sliding groove is arc-shaped, the extrusion strip is arranged inside the sliding groove in a sliding manner, and the end part of the extrusion strip is fixedly connected with the extrusion block.

Preferably, a plurality of mounting openings are formed in the mounting strip and the mounting block, and the mounting strip is fixedly connected to the mounting block through an insulating connecting bolt.

Preferably, the shell is divided into a plurality of working modules, and a plurality of fixing ports are formed in the upper side and the lower side of the shell.

Compared with the prior art, the utility model has the beneficial effects that:

1. in actual use, the wrench and the mounting groove are sealed through the protective sleeve, so that external water vapor is reduced from entering the reclosing inside from the gap, meanwhile, the elastic protective sleeve ensures normal adjustment of the wrench and normal use of the reclosing, the water vapor is isolated, corrosion of the water vapor to the reclosing is reduced, and the use safety of the whole reclosing is improved;

2. in maintenance and use, in order to avoid abrupt tripping, resulting in pinching the operator's hands, injury to the operator, protection to the user by the anti-squeeze assembly.

Drawings

FIG. 1 is a schematic diagram of the front structure of a reclosing safety structure of a small hydropower public network line;

FIG. 2 is a schematic side view of a reclosing safety structure of a small hydropower station public network line according to the present utility model;

FIG. 3 is a schematic diagram of the internal structure of a safety assembly of a reclosing safety structure of a small hydropower station public internet line;

fig. 4 is a schematic diagram of the front structure of an anti-extrusion assembly of the reclosing safety structure of the small hydropower public internet line;

fig. 5 is a schematic diagram of the internal structure of an anti-extrusion assembly of the reclosing safety structure of the small hydropower public internet line.

In the figure: 1 shell, 2 installation blocks, 3 wrenches, 4 safety components, 41 protective sleeves, 42 installation strips, 43 fireproof layers, 5 extrusion-preventing components, 51 placing blocks, 52 control blocks, 53 energizing springs, 54 extrusion strips, 6 installation ports, 7 working modules, 8 fixing ports and 9 extrusion blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

The terms such as "upper", "lower", "left", "right", "middle" and "a" and the like are also used herein for descriptive purposes only and are not intended to limit the scope of the utility model for which the utility model may be practiced or for which the relative relationship may be altered or modified without materially altering the technology.

Referring to fig. 1-5, a safety structure for reclosing a small hydropower public internet line, comprising: the novel wrench comprises a shell 1, wherein a mounting block 2 is arranged in the middle of the shell 1, mounting grooves are formed in the mounting block 2 at equal intervals, and a wrench 3 is rotatably arranged in each mounting groove;

the wrench 3 is provided with the safety component 4, the safety component 4 comprises a protective sleeve 41, mounting bars 42 and a fireproof layer 43, the protective sleeve 41 is composed of a rectangular frame and a trapezoid sleeve, the protective sleeve 41 is clamped on the mounting bars 42, the trapezoid sleeve is fixedly connected to the rectangular frame and sleeved on the wrench 3, the trapezoid sleeve is made of rubber materials, the inner volume of the trapezoid sleeve is larger than that of the wrench 3, the two mounting bars 42 are fixedly connected to two sides of the rectangular frame, and the fireproof layer 43 is sleeved inside the protective sleeve 41 and is made of fireproof materials.

In the embodiment of the technical scheme, in actual use, the wrench 3 and the mounting groove are sealed through the protective sleeve 41, so that external water vapor is reduced from entering the reclosing inside from the gap, meanwhile, the elastic protective sleeve 41 ensures normal adjustment of the wrench 3, normal use of the reclosing is ensured, when the internal fireproof layer 43 can avoid combustion inside, the internal fireproof layer can quickly burn to the outside, the reaction time of an operator is shortened, the water vapor is isolated, the erosion of the water vapor to the reclosing is reduced, and the use safety of the whole reclosing is improved.

In the preferred technical solution in this embodiment, the protection sleeve 41 is internally provided with an anti-extrusion component 5, the anti-extrusion component 5 is arranged on the upper side of the wrench 3 and used for slowing down the movement of the wrench 3, and in order to avoid suddenly tripping during maintenance and use, the anti-extrusion component 5 is used for protecting the user from hurting the operator by clamping the hand of the operator;

the anti-extrusion component 5 comprises a placement block 51, a control block 52, an energizing spring 53 and an extrusion strip 54, wherein the placement block 51 is fixedly arranged on the installation block 2 and is positioned at the upper side of the wrench 3, a sliding groove is formed in one side, close to the wrench 3, of the placement block 51, the control block 52 is fixedly arranged in the sliding groove, one end of the energizing spring 53 is fixedly connected to the control block 52, the other end of the energizing spring is fixedly connected with the extrusion strip 54, the extrusion strip 54 is interactively arranged in the sliding groove, an inductor is arranged in the anti-extrusion component 5, and when tripping, if the inductor is still placed on the wrench 3, the inductor controls the control block 52 to cut off power, so that the energizing spring 53 extends, and the extrusion strip 54 is driven to move outwards in a sliding groove, the wrench 3 is contacted and decompressed through the extrusion strip 54, so that the enough reaction time of an operator is shortened, and when the anti-extrusion strip 54 is in normal operation of the wrench 3 is ensured;

the sliding groove is arc-shaped, the extrusion strip 54 is arranged in the sliding groove in a sliding way, the end part of the extrusion strip 54 is fixedly connected with the extrusion block 9, and the arc-shaped extrusion strip 54 can effectively collide with the arc-shaped movable wrench 3;

the installation strip 42 and the installation block 2 are provided with a plurality of installation openings 6, and the installation strip 42 is fixedly connected to the installation block 2 through an insulating connecting bolt and is used for installing the installation strip 42 and the whole safety assembly 4; the shell 1 is divided into a plurality of working modules 7, and a plurality of fixing ports 8 are formed in the upper side and the lower side of the shell 1.

Claims (6)

1. A small hydropower public internet line reclosing safety structure, comprising: the shell (1) is characterized in that a mounting block (2) is arranged in the middle of the shell (1), mounting grooves are formed in the mounting block (2) at equal intervals, and a wrench (3) is rotatably arranged in the mounting grooves;

the wrench is characterized in that a safety component (4) is arranged on the wrench (3), the safety component (4) comprises a protective sleeve (41), a mounting strip (42) and a fireproof layer (43), the protective sleeve (41) is composed of a rectangular frame and a trapezoidal sleeve, the protective sleeve (41) is clamped on the mounting strip (42), the trapezoidal sleeve is fixedly connected to the rectangular frame and is sleeved on the wrench (3), the trapezoidal sleeve is made of a rubber material, the inner volume of the trapezoidal sleeve is larger than that of the wrench (3), the two mounting strips (42) are fixedly connected to two sides of the rectangular frame, and the fireproof layer (43) is sleeved inside the protective sleeve (41) and is made of a fireproof material.

2. The reclosure safety structure for a small hydropower public internet line according to claim 1, wherein an anti-extrusion component (5) is arranged inside the protective sleeve (41), and the anti-extrusion component (5) is arranged on the upper side of the wrench (3) and used for slowing down the movement of the wrench (3).

3. The reclosing safety structure for the small hydropower public internet line according to claim 2, wherein the extrusion-preventing assembly (5) comprises a placing block (51), a control block (52), a power-on spring (53) and an extrusion strip (54), the placing block (51) is fixedly installed on the installation block (2) and is located on the upper side of the wrench (3), a sliding groove is formed in one side, close to the wrench (3), of the placing block (51), the control block (52) is fixedly installed in the sliding groove, one end of the power-on spring (53) is fixedly connected to the control block (52), the other end of the power-on spring is fixedly connected with the extrusion strip (54), and the extrusion strip (54) is interactively arranged in the sliding groove.

4. The reclosure safety structure for the small hydropower public network line according to claim 3, wherein the sliding groove is arc-shaped, the extrusion strip (54) is slidably arranged in the sliding groove, and an extrusion block (9) is fixedly connected to the end part of the extrusion strip (54).

5. The reclosure safety structure for small hydropower public network lines according to claim 1, wherein a plurality of mounting openings (6) are formed in the mounting strip (42) and the mounting block (2), and the mounting strip (42) is fixedly connected to the mounting block (2) through an insulating connecting bolt.

6. The reclosure safety structure of the small hydropower public internet line according to claim 1, wherein the shell (1) is divided into a plurality of working modules (7), and a plurality of fixing ports (8) are formed in the upper side and the lower side of the shell (1).

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