CN219227065U

CN219227065U - Power grid anti-tilting power supply improved protection device capable of being opened remotely

Info

Publication number: CN219227065U
Application number: CN202223356327.1U
Authority: CN
Inventors: 刘晋玮; 许长春; 秦安忠; 陈剑
Original assignee: Jiangsu Lihongyuan Power Technology Co ltd
Current assignee: Jiangsu Lihongyuan Power Technology Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-06-20
Anticipated expiration: 2032-12-14

Abstract

The utility model relates to the field of power grid matching devices, in particular to an anti-falling power supply improved protection device for a power grid, which comprises protection shells symmetrically arranged at two ends of a cable and an open-close type protection sleeve detachably arranged between the two protection shells, wherein the open-close type protection sleeve comprises an open-close type protection shell I and an open-close type protection shell II which are in semicircular structures, a first fixing plate and a second fixing plate are symmetrically arranged on one side of the open-close type protection shell I and one side of the open-close type protection shell II respectively, and the first fixing plate and the second fixing plate are driven to close or open the open-close type protection shell I and the open-close type protection shell II through a connecting assembly.

Description

Power grid anti-tilting power supply improved protection device capable of being opened remotely

Technical Field

The utility model relates to the field of power grid matching devices, in particular to an anti-falling power supply improved protection device for a power grid, which can be opened remotely.

Background

At present, the power grid overhaul is carried out, after the power supply system of the area where an overhaul line is located is closed, an overhaul worker carries out overhaul at high altitude operation and does not carry out anti-falling power supply treatment, but the mode cannot guarantee the safety of constructors, because an overhead cable is inevitably connected with a wire and enters the home, and partial users (such as schools, markets and factories) can install a generator to ensure normal power supply during power failure without affecting the normal operation of an electric appliance, the phenomenon that the power is supplied to the overhead main line from the self-contained generator of the user in power failure and still is electrified on the main line is caused, if the constructors cut off the power supply system on the main line, under the condition of no anti-falling power supply treatment, the overhaul worker does not carry out grounding treatment at all, and is more threatening to life safety, so that the anti-falling power supply treatment is very important for the cables, firstly, the cables with insulation jackets are stripped to form bare wire parts, the bare wire is grounded to prevent falling, but the cables are inevitably walked, the electric safety protection sleeves are required to be in a long time, the trouble of the power supply is required to be carried out on the bare wire parts, and the electric protection wire is connected with the ground, and the anti-falling protection device is not required to be opened by the grounding protection device when the cable is designed to be in the ground, and the current anti-falling power supply device is very convenient to cut, and the current protection device is very high in operation is very convenient, and has the anti-falling power supply device is very easy to be opened, and has the anti-falling power supply device is especially needs to be opened, and has the anti-falling protection device is very convenient to touch operation and has the anti-falling protection device is very easy to touch electric protection to touch and has the electric protection device to touch and has the life protection handle life.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides an anti-falling power supply improved protection device for a power grid, which can be opened remotely, so as to solve the problems that the anti-falling power supply devices are designed in the prior art, are generally inconvenient to use, are particularly used for opening or closing a grounding wire part, are complex and time-consuming to operate, are even in need of direct contact operation by hands, and are low in safety.

The utility model is realized by the following technical scheme:

the utility model provides a can open electric wire netting with preventing down power supply improved generation protector, includes the protective housing that sets up at the cable both ends and can dismantle the open-close type protective sheath that sets up between two protective housings, open-close type protective sheath is including open-close type protective housing one and open-close type protective housing two that are semicircle structure, open-close type protective housing one and open-close type protective housing two one side symmetry respectively are equipped with first fixed plate and second fixed plate, drive the closure or the opening of open-close type protective housing one and open-close type protective housing two through coupling assembling between first fixed plate and the second fixed plate that open-close type protective housing two set up through crisscross, the dead lever top rotates and is connected with the fixing base, fixing base top fixed connection is in one of them protective housing bottom;

the connecting assembly comprises a first connecting rod and a second connecting rod which are respectively and fixedly connected between two first fixing plates and between two second fixing plates, a first limiting column and a second limiting column are respectively and rotatably connected to two sides of the first connecting rod or the second connecting rod, the other ends of the first limiting columns are respectively and rotatably connected with the fixing rods, a limiting ring capable of limiting the opening and closing of the first opening and closing type protective shell and the second opening and closing type protective shell is sleeved between the two first limiting columns, and the other ends of the second limiting columns are respectively connected with the pull rod.

In order to improve the leakproofness when opening and closing formula protective housing one and opening and closing formula protective housing two are closed, be equipped with the closing plate that extends along opening and closing formula protective housing two length directions on opening and closing formula protective housing two outside terminal surfaces, correspond on the opening and closing formula protective housing one and seted up the seal groove that agrees with mutually with the closing plate, and the connecting groove that is the semicircle structure that agrees with mutually with the protecting crust excircle is all symmetrically seted up on opening and closing formula protective housing one or opening and closing formula protective housing two both ends inboard terminal surface.

As a further improvement of the structure of the utility model, the connecting surface of the fixing seat and the protecting shell is an arc surface which is matched with the excircle of the protecting shell.

In order to limit and fix the limiting ring, a first opening and closing clamping groove and a second opening and closing clamping groove which can be clamped with the limiting ring are respectively formed in the outer side end face of the first limiting column.

In order to ensure that the limiting ring can be clamped into the first opening and closing clamping groove or the second opening and closing clamping groove to be limited and fixed in the opening and closing protective sleeve under the closing and opening states, limiting blocks are respectively arranged on the bottom end face of the first opening and closing clamping groove and the top end face of the second opening and closing clamping groove in an outward extending mode.

In order to improve the overall strength and the service life of the open-close type protective sleeve, the first open-close type protective shell, the first fixed plate, the second open-close type protective shell and the second fixed plate are of an integrated structure.

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

1. according to the utility model, the sealing grooves, the sealing plates and the connecting grooves are matched with each other, so that the tightness of the first opening-closing type protective shell and the second opening-closing type protective shell is improved when the first opening-closing type protective shell and the second opening-closing type protective shell are closed.

2. According to the utility model, through the arrangement of the connecting component, a worker can pull the open-close type protective sleeve in a closed state away for hanging the ground wire under the cable remotely through the insulating rod, so that the convenience and safety of overhaul are greatly improved.

3. According to the utility model, the limiting ring is matched with the first opening and closing clamping groove and the second opening and closing clamping groove which are formed in the first limiting column, so that the opening and closing type protective sleeve can be limited and fixed in the closed and opened state through the first limiting column.

Drawings

FIG. 1 is a schematic view of a closed state structure of the present utility model;

FIG. 2 is a schematic view of the structure of the utility model in an open state;

FIG. 3 is a diagram showing the connection relationship between the open-close type protective sleeve and the connecting assembly according to the present utility model;

fig. 4 is a schematic structural diagram of a first opening/closing protective case according to the present utility model;

fig. 5 is a schematic structural diagram of a second opening/closing protective case of the present utility model;

FIG. 6 is a schematic view of a connection assembly according to the present utility model;

in the figure: 1. a protective shell; 2. an open-close type protective sleeve; 21. a first fixing plate; 22. a connecting groove; 23. sealing grooves; 24. a second fixing plate; 25. a sealing plate; 26. an open-close type protective shell II; 27. an open-close type protective shell I; 3. a connection assembly; 31. a limiting ring; 32. the second limit column; 33. a second connecting rod; 34. a first connecting rod; 35. a first limit post; 36. a second opening and closing clamping groove; 37. a first opening and closing clamping groove; 38. a limiting block; 39. a pull rod; 4. a fixed rod; 5. a fixing seat; 6. and (3) a cable.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Examples

Referring to fig. 1-5, an improved protection device for preventing reverse power supply for a power grid capable of being opened remotely comprises a protection shell 1 symmetrically arranged at two ends of a cable 6 and an open-close type protection sleeve 2 detachably arranged between the two protection shells 1, wherein the open-close type protection sleeve 2 comprises an open-close type protection shell I27 and an open-close type protection shell II 26 which are in a semicircular arc structure, the open-close type protection shell I27 and the open-close type protection shell II 26 can be enclosed to form a hollow cylinder structure for wrapping a grounding part of the cable 6, in order to improve the sealing performance when the open-close type protection shell I27 and the open-close type protection shell II 26 are closed, a sealing plate 25 extending along the length direction of the open-close type protection shell II 26 is arranged on the outer side end surface of the open-close type protection shell II 26, a sealing groove 23 which is matched with the sealing plate 25 is correspondingly arranged on the open-close type protection shell I27, the inner end surfaces of the two ends of the first open-close type protective shell 27 or the second open-close type protective shell 26 are symmetrically provided with connecting grooves 22 which are matched with the outer circle of the protective shell 1 and are in a semicircular arc structure, one side of the first open-close type protective shell 27 and one side of the second open-close type protective shell 26 are symmetrically provided with a first fixing plate 21 and a second fixing plate 24 respectively, in order to improve the integral strength and the service life of the open-close type protective shell 2, the first open-close type protective shell 27, the first fixing plate 21, the second open-close type protective shell 26 and the second fixing plate 24 are integrally formed, the first fixing plate 21 and the second fixing plate 24 drive the first open-close type protective shell 27 and the second open-close type protective shell 26 to be closed or opened through a connecting component 3, the first open-close type protective shell 27 and the second open-close type protective shell 26 are connected with a fixing rod 4 through the first fixing plate 21 and the second fixing plate 24 which are arranged in a staggered manner, the top of the fixing rod 4 is rotationally connected with a fixing seat 5, the top of the fixing seat 5 is fixedly connected to the bottom end of one of the protecting shells 1, and the connecting surface of the fixing seat 5 and the protecting shell 1 is an arc surface matched with the outer circle of the protecting shell 1.

In combination with the connection assembly 3 shown in fig. 3 and 6, the connection assembly 3 comprises a first connection rod 34 and a second connection rod 33 which are respectively and fixedly connected between two first fixing plates 21 and between two second fixing plates 24 and are in a cylindrical structure, a first limit column 35 and a second limit column 32 are respectively and rotatably connected to two sides of the first connection rod 34 or the second connection rod 33, the other end of the first limit column 35 is rotatably connected with the fixing rod 4, a limit ring 31 capable of limiting the first opening and closing protective shell 27 and the second opening and closing protective shell 26 is sleeved between the two first limit columns 35, and the first opening and closing clamping groove 37 and the second opening and closing clamping groove 36 formed in the first limit column 35 are matched, so that the opening and closing protective shell 2 can be limited and fixed in the opened state through the first limit column 35, the other end of the second limit column 32 is connected with a pull rod 39, and the working personnel can remotely pull the opening and closing protective shell 2 in the closed state through the insulating rod 39 under the cable 6, so that the safety and the convenience of maintenance are greatly improved.

In order to limit and fix the limiting ring 31, a first opening and closing clamping groove 37 and a second opening and closing clamping groove 36 capable of being clamped with the limiting ring 31 are respectively formed in the outer side end face of the first limiting column 35, and simultaneously, in order to ensure that the limiting ring 31 can be clamped into the first opening and closing clamping groove 37 or the second opening and closing clamping groove 36 to be limited and fixed in the closed state and the open state of the opening and closing protective sleeve 2, limiting blocks 38 are outwards extended from the bottom end face of the first opening and closing clamping groove 37 and the top end face of the second opening and closing clamping groove 36.

The working principle of the utility model is as follows: the constructor pulls the pull rod 39 downwards through the insulating rod under the cable 6 remotely, thereby drive the displacement of the second spacing post 32 that links to each other with the pull rod 39, drive the head rod 34 and the second connecting rod 33 to move towards opposite direction through the second spacing post 32, open the open-close type protective sheath 2 and hang the earth connection, the spacing ring 31 that sets up between two first spacing posts 35 simultaneously is from the first open-close draw-in groove 37 in the nature landing to the second open-close draw-in groove 36, thereby carry out spacing fixed with open-close type protective sheath 2, open-close type protective sheath 2 passes through dead lever 4 and fixing base 5 fixed connection in one of them protective housing 1 bottom, thereby prevent that open-close type protective sheath 2 under the open-state from dropping, seal closed open-close type protective sheath 2 through the cooperation of second open-close draw-in groove 36 and spacing ring 31 after the maintenance, cooperate the setting through the cooperation between the seal groove 23 that open-close type protective sheath 27 and open-close type protective sheath two 26 set up, closing plate 25 and connecting groove 22, thereby the leakproofness when open-close type protective sheath 2 is closed, the utility model has improved the convenience and operating performance of open-close type protective sheath 2, cable 6 need not carry out the close-distance maintenance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. The utility model provides a can long-range open electric wire netting with preventing falling power supply improved generation protector, sets up protective housing (1) and can dismantle open-close type protective sheath (2) between two protective housing (1) at cable (6) both ends including the symmetry, its characterized in that: the open-close type protective sleeve (2) comprises an open-close type protective sleeve I (27) and an open-close type protective sleeve II (26) which are of semicircular structures, wherein a first fixing plate (21) and a second fixing plate (24) are symmetrically arranged on one side of the open-close type protective sleeve I (27) and one side of the open-close type protective sleeve II (26) respectively, the first fixing plate (21) and the second fixing plate (24) are driven to be closed or opened by a connecting assembly (3), the open-close type protective sleeve I (27) and the open-close type protective sleeve II (26) are driven to be closed or opened by the connecting assembly (3), the open-close type protective sleeve I (27) and the open-close type protective sleeve II (26) are connected with a fixing rod (4) through the first fixing plate (21) and the second fixing plate (24) which are arranged in a staggered mode, the top of the fixing rod (4) is rotationally connected with a fixing seat (5), and the top of the fixing seat (5) is fixedly connected to the bottom end of one protective sleeve (1).

The connecting assembly (3) comprises a first connecting rod (34) and a second connecting rod (33) which are respectively and fixedly connected between two first fixing plates (21) and between two second fixing plates (24), a first limiting column (35) and a second limiting column (32) are respectively and rotatably connected to two sides of the first connecting rod (34) or the second connecting rod (33), the other ends of the first limiting columns (35) are respectively and rotatably connected with the fixing rods (4), limiting rings (31) capable of limiting opening and closing of the first opening and closing type protective shell (27) and the second opening and closing type protective shell (26) are sleeved between the two first limiting columns (35), and the other ends of the second limiting columns (32) are connected with the pull rods (39).

2. The improved anti-backup power supply protection device for a power grid capable of being opened remotely according to claim 1, wherein: the sealing device is characterized in that a sealing plate (25) extending along the length direction of the second opening-closing type protective housing (26) is arranged on the outer side end face of the second opening-closing type protective housing (26), a sealing groove (23) matched with the sealing plate (25) is correspondingly formed in the first opening-closing type protective housing (27), and connecting grooves (22) which are matched with the outer circle of the protective housing (1) and are in semicircular structures are symmetrically formed in the inner side end faces of the two ends of the first opening-closing type protective housing (27) or the two ends of the second opening-closing type protective housing (26).

3. The improved anti-backup power supply protection device for a power grid capable of being opened remotely according to claim 1, wherein: the connecting surface of the fixing seat (5) and the protecting shell (1) is an arc surface matched with the outer circle of the protecting shell.

4. The improved anti-backup power supply protection device for a power grid capable of being opened remotely according to claim 1, wherein: the outer side end face of the first limiting column (35) is provided with a first opening and closing clamping groove (37) and a second opening and closing clamping groove (36) which can be connected with the limiting ring (31) in a clamping mode.

5. The improved anti-backup power supply protection device for a power grid capable of being opened remotely according to claim 4, wherein: limiting blocks (38) are respectively arranged on the bottom end face of the first opening and closing clamping groove (37) and the top end face of the second opening and closing clamping groove (36) in an outward extending mode.

6. The improved anti-backup power supply protection device for a power grid capable of being opened remotely according to claim 1, wherein: the first opening and closing type protective shell (27) and the first fixed plate (21) and the second opening and closing type protective shell (26) and the second fixed plate (24) are of an integrated structure.