阅读说明：本技术 一种可带电安装的高压开关护罩及其安装方式 (High-voltage switch shield capable of being installed in electrified mode and installation mode thereof ) 是由 钱若晨 顾卫华 汪泽州 王建城 曹志勇 黄建伟 潘克勤 张贤明 沈海华 龚书能 于 2021-07-12 设计创作，主要内容包括：本发明公开了一种可带电安装的高压开关护罩,包括：护罩主体,所述护罩主体包括外壳和设置于外壳内部的安装卡钩；其中,所述外壳上设置有装配底座,所述装配底座与外壳可拆卸连接。利用装配底座配合令克棒操作护罩主体对其进行带电安装,结构精简,操作快捷,护罩主体安装在断路器开关顶部,其近线缆端靠近线缆接头位置,而远线缆端则沿线缆延伸方向设置于线缆接头位置外侧,安装卡钩挂卡于近线缆接头位置,保证护罩主体稳定覆盖高压开关的脆弱接线端的连接点,避免线缆端部受到环境影响造成工作效果稳定性的波动。(The invention discloses a high-voltage switch shield capable of being installed in an electrified way, which comprises: the protective cover comprises a protective cover main body and a protective cover main body, wherein the protective cover main body comprises a shell and a mounting clamping hook arranged in the shell; the assembling base is arranged on the shell and detachably connected with the shell. Utilize assembly base cooperation order gram stick operation guard shield main part to carry out electrified installation to it, the structure is retrencied, the operation is swift, the guard shield main part is installed at circuit breaker top, its nearly cable end is close to cable joint position, and far away cable end then sets up in the cable joint position outside along cable extending direction, installation card hook card is in nearly cable joint position, guarantee that the guard shield main part stably covers the tie point of high voltage switch's fragile wiring end, avoid the cable tip to receive the fluctuation that environmental impact caused the working effect stability.)

1. A high-voltage switch shield capable of being installed in a charged mode is characterized by comprising: the protective cover comprises a protective cover main body and a protective cover main body, wherein the protective cover main body comprises a shell and a mounting clamping hook arranged in the shell;

the assembling base is arranged on the shell and detachably connected with the shell.

2. The high-voltage switch shield capable of being installed with electricity according to claim 1, wherein the housing comprises a top plate, an assembling side plate and a protecting side plate are respectively arranged on two sides of the top plate, inward-folding protecting plates are respectively arranged at the bottoms of the assembling side plate and the protecting side plate, and the installing hooks are connected to the assembling side plate.

3. The high-voltage switch shield capable of being installed with electricity according to claim 2, wherein the assembling side plate comprises a far cable end and a near cable end along the length direction, a clamping hook connecting hole is formed in one side of the inner wall of the assembling side plate close to the near cable end, the assembling clamping hook is connected with the assembling side plate through the clamping hook connecting hole, an assembling groove is further formed below the clamping hook connecting hole, and the assembling groove can be connected with the assembling base in a clamping and hanging mode.

4. The live mountable high voltage switch shroud of claim 2, wherein said top plate includes a baffle at an end thereof adjacent the distal cable end, said baffle being disposed in an inclined upward direction.

5. The high voltage switch shield capable of being installed with power as claimed in claim 3, wherein said assembly slot comprises a guiding slot and a positioning slot which are communicated with each other, and said assembly base comprises a positioning post which is slidably inserted into the positioning slot from the guiding slot.

6. The high voltage switch shield of claim 1, wherein said mounting clip comprises a fixed portion and a body, said fixed portion being integrally formed with said clip attachment aperture, said mounting clip comprising an inwardly folded shield.

7. The high voltage switch shield capable of being installed with electricity according to claim 1, wherein the assembly base comprises a base body and an adjusting plate arranged on the base body, the base body is provided with an installation groove along a central axis of a length direction, connecting holes are arranged on two sides of the installation groove, and the adjusting plate is arranged on the connecting holes.

8. The high-voltage switch shield capable of being installed with power as claimed in claim 7, wherein a plurality of groups of adjusting holes with different angles are formed in the adjusting plate, and the positioning column is detachably connected with the adjusting holes.

9. The high-voltage switch shield capable of being installed with electricity as claimed in any one of claims 1 to 8, wherein the shield main body is made of transparent plastic, and the housing and the installation hook are both integral members formed by bending a transparent plastic plate.

10. A method of mounting a live mountable high voltage switch shield as claimed in any one of claims 1 to 9, comprising the steps of:

s1: an assembling base is arranged at the head of the insulating rod;

s2: clamping a shield main body on an assembly base, wherein the shield main body is detachably connected with the assembly base;

s3: under the charged state, the insulating rod is close to the cable breaker, and the bayonet at the bottom of the mounting hook is aligned with the wiring end of the breaker switch;

s4: pulling the insulating rod downwards, installing a clamping hook to hang and clamp the high-voltage switch, and assembling the base to be separated from the shield main body;

s5: the shield main body is clamped and arranged outside the high-voltage switch wiring terminal.

Technical Field

The invention relates to the technical field of power distribution tools, in particular to a high-voltage switch shield capable of being installed in an electrified mode and an installation mode thereof.

Background

The insulating cover is a sharp tool for improving the insulation and power supply reliability of a distribution network, and can effectively prevent power failure and electric shock accidents caused by artificial touch, lap joint of small animals or sundries, acid rain and chemical gas corrosion of exposed facilities such as electrical connectors and wires of power equipment.

For example, a "live-line installation tool convenient for installation of an insulation cover" disclosed in chinese patent document, publication No. CN112421491A, discloses that the existing insulation cover is composed of two protection plates and an oblique top for connecting the two protection plates, and when a worker installs the insulation cover on a porcelain insulator, the worker needs to first power off and then operate, which results in large economic loss, large installation difficulty and high safety risk.

Disclosure of Invention

Aiming at the problem that the existing insulating cover cannot be installed in an electrified way or installation steps are complicated, the invention provides the high-voltage switch shield capable of being installed in an electrified way.

In order to achieve the purpose, the invention adopts the following technical scheme:

a live mountable high voltage switch shield comprising: the protective cover comprises a protective cover main body and a protective cover main body, wherein the protective cover main body comprises a shell and a mounting clamping hook arranged in the shell; the assembling base is arranged on the shell and detachably connected with the shell. The protection cover main part is connected with the high-voltage switch through an installation card hook connector, the assembly base is connected with an order gram rod in an assembling mode and can be disassembled from the shell, the position of the protection cover main part is directly controlled through the order gram rod in the installation process, the order gram rod is pulled down, then the clamping hook connector is installed, the protection cover main part is separated from the assembly base, the protection cover main part is reserved outside a wiring end of the high-voltage switch, and the protection of the end of a cable is completed.

Preferably, the shell comprises a top plate, an assembling side plate and a protecting side plate are arranged on two sides of the top plate respectively, inward-folding protecting plates are arranged at the bottoms of the assembling side plate and the protecting side plate respectively, and the installing clamping hooks are connected to the assembling side plate. The installation hook is connected to the inner side of the assembling side plate, and the opening area of the bottom of the shield main body can be reduced by the assembling side plate and the inward-folding protection plate at the bottom of the protection side plate, so that the shielding effect on foreign matters in the external environment is improved.

Preferably, the assembling side plate comprises a far cable end and a near cable end along the length direction, one side, close to the near cable end, of the inner wall of the assembling side plate is provided with a clamping hook connecting hole, the installing clamping hook is connected with the assembling side plate through the clamping hook connecting hole, an assembling groove is further arranged below the clamping hook connecting hole, and the assembling groove can be connected with the assembling base in a clamping and hanging manner. The guard shield main part is installed at the circuit breaker switch top, and its nearly cable end is close to cable joint position, and far away cable end then sets up in the cable joint position outside along cable extending direction, and installation card hook is held in nearly cable joint position, guarantees that the guard shield main part stably covers the tie point of high tension switchgear's fragile wiring end, avoids the cable tip to receive the fluctuation that environmental impact caused the work effect stability.

Preferably, the end of the top plate close to the far cable end is provided with a baffle plate, and the baffle plate is arranged obliquely upwards. The baffle sets up in guard shield main part outermost end for carry out the tilting to the side opening of guard shield main part and cover, make the debris that the top fell stop and guide to side by the baffle, avoid debris to fall into the inside influence that causes of guard shield main part.

Preferably, the assembly groove comprises a guide groove and a positioning groove which are communicated, the assembly base comprises a positioning column, and the positioning column slides from the guide groove into the positioning groove. The positioning column of the assembly base is clamped into the positioning groove through the guide groove, so that the shield main body and the assembly base are temporarily assembled, the position of the shield main body can be adjusted through the assembly base by the aid of the brake pull rod, and subsequent installation is guaranteed to be carried out smoothly.

Preferably, the mounting hook comprises a fixing part and a hook body which are integrally formed, the fixing part is fixedly connected with the hook connecting hole, and the mounting hook comprises an inward-folded protective plate. The installation pothook is connected with the high-voltage switch through the hook body and is limited through the inward-folding protection plate, so that the shield main body is prevented from being separated from the high-voltage pothook under the action of external wind, and the installation stability of the shield main body is improved.

As preferred, the assembly base includes the base main part and sets up the regulating plate in the base main part, the base main part is provided with the mounting groove along length direction axis, the mounting groove both sides are provided with the connecting hole, the regulating plate is installed on the connecting hole. The mounting groove sets up in base main part headquarters, is V type structure, and the structural connecting hole that then is provided with of flat board of mounting groove both sides, and the regulating plate is installed on flat board structure place plane, and cooperation base main part forms V type cavity for the order gram stick is fixed in V type cavity, and order gram stick and assembly base firmly install as an organic wholely, guarantee the accurate position of technical staff's accessible order gram stick control guard shield main part, make guard shield main part mounted position adjust well, cover the protection to high-voltage switch wiring end.

As preferred, be provided with the regulation hole that the different angles of a plurality of groups set up on the regulating plate, the connection regulation hole can be dismantled to the reference column. The regulation hole of different angles in the base main part when being connected with the regulating plate can make the guard shield main part be different angles card string and connect on the reference column in the regulation hole, and technical staff utilizes the detachable reference column to select to assemble in the regulation hole of different angles, can guarantee that the guard shield main part is in the angle that is on a parallel with the high tension switch wiring end as far as before hanging the card installation for the installation is more convenient and accurate, avoids guard shield main part installation not in place and the hidden danger that the wiring end exposes appears.

Preferably, the main body of the protective cover is made of transparent plastic, and the housing and the mounting hooks are all integral components formed by bending a transparent plastic plate. The protective cover main body is made of transparent plastic, the protective cover main body is made of the transparent plastic, the whole protective cover main body is always kept in an internal visible state in the installation process and after the installation is finished, technicians can better confirm whether the installation clamping hooks are clamped and assembled in place in the installation process, and the technicians can check the end parts of the high-voltage switch cables protected inside the protective cover main body in the state of not disassembling the protective cover main body after the installation, so that the overhaul efficiency of the technicians is greatly facilitated. In addition, the plastic part ensures that the shield main body cannot influence an electric field on the high-voltage switch, so that the high-voltage switch has the characteristic of being installed in an electrified way, and meanwhile, the safety of the high-voltage switch shield is improved.

The invention also discloses an installation mode of the high-voltage switch shield capable of being installed in an electrified way, and the method comprises the following steps:

s1: an assembling base is arranged at the head of the insulating rod;

s2: clamping a shield main body on an assembly base, wherein the shield main body is detachably connected with the assembly base;

s3: under the charged state, the insulating rod is close to the cable breaker, and the bayonet at the bottom of the mounting hook is aligned with the wiring end of the breaker switch;

s4: pulling the insulating rod downwards, installing a hook clamping circuit breaker switch, and detaching the assembling base from the protective cover main body;

s5: the shield main body is clamped and arranged outside the high-voltage switch wiring terminal.

The order gram stick includes the action post and is provided with the gag lever post at action post top, the gag lever post sets up with the action post is perpendicular. During the installation, at first assemble the equipment of base, present with the position that the stick is close to the head of the V type mounting groove block of base main part, pass through the mounting with the regulating plate again and install on the connecting hole of mounting groove both sides, ensure regulating plate and base main part fixed connection and form the V type installation cavity at middle part, fix through the V type installation cavity to the stick of order gram. And then, selecting an adjusting hole on the adjusting plate by the positioning column according to the angle of the high-voltage switch wiring terminal of the shield to be installed. Before the shield main body is installed on the positioning column of the selected adjusting hole, the operation column can be rotated by more than 90 degrees leftwards or rightwards in the V-shaped groove of the assembling base, so that the limiting rod avoids the installation path of the shield main body, then the guide groove of the shield main body is clamped on the positioning column, the positioning column enters the positioning groove through the guide groove, and the shield main body is smoothly installed on the assembling base. The technical staff resets the rotation to the control column once more after that, make the gag lever post return to guard shield main part top, carry out interim spacing through the gag lever post to the guard shield main part, for following technical staff installs the guard shield main part through the order gram stick and lays down spacing basis, avoid appearing displacement or angular migration before the guard shield main part is installed in place, ensure that the guard shield main part is close to the top of high-voltage switch wiring end according to the angle that the reference column is controlled in advance, rotate the angle of control column in the assembly base once more at last, make the gag lever post avoid guard shield main part top, and stimulate the order gram stick downwards, make the hook body card of guard shield main part installation pothook hang the wiring end of connecting high-voltage switch, realize the parallel block assembly of guard shield main part.

Therefore, the invention has the following beneficial effects: (1) the assembly base is matched with the insulating rod to operate the shield main body to carry out live-line installation, the structure is simplified, and the operation is rapid; (2) the protective cover main body is arranged at the top of the breaker switch, the near cable end of the protective cover main body is close to the cable joint position, the far cable end of the protective cover main body is arranged outside the cable joint position along the cable extending direction, the mounting hook is clamped at the near cable joint position, the protective cover main body is ensured to stably cover the connection point of the fragile wiring end of the high-voltage switch, and the fluctuation of the working effect stability caused by the influence of the environment on the end part of the cable is avoided; (3) technicians use the detachable positioning columns to select and assemble the protective cover main body in the adjusting holes with different angles, so that the protective cover main body can be ensured to be at an angle parallel to the wiring end of the high-voltage switch as far as possible before the hanging clamp is installed, the installation process is more convenient and accurate, and the hidden danger that the wiring end is exposed due to the fact that the protective cover main body is not installed in place is avoided; (4) the shield main body is made of transparent plastic, and the material enables the whole shield main body to be always kept in an internal visible state in the installation process and after the installation is finished, so that the high-voltage switch has the characteristic of being installed in an electrified mode, and meanwhile, the safety of the high-voltage switch shield is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an expanded view of the housing of fig. 1.

Fig. 3 is an expanded view of the mounting hook of fig. 1.

FIG. 4 is a side cross-sectional view of the mounting base of the embodiment.

Fig. 5 is an assembly view of the assembly base of fig. 4.

Fig. 6 is a schematic structural view of the first regulating plate in fig. 4.

Fig. 7 is a schematic structural view of the second regulating plate in fig. 4.

In the figure: the protective cover comprises a protective cover main body 1, a shell 2, a top plate 21, an assembly side plate 22, a protection side plate 23, an inner folding protection plate 24, a far cable end 25, a near cable end 26, a hook connecting hole 27, an assembly groove 28, a guide groove 281, a positioning groove 282, a baffle plate 29, an installation hook 3, a fixing part 31, a hook body 32, an assembly base 4, a base main body 41, an adjusting plate 42, a first adjusting plate 421, a second adjusting plate 422, an adjusting hole 43, a positioning column 44, a temporary installation hole 45, an installation groove 5, a connecting hole 51, a link rod 6, an operation column 61, a limiting rod 62 and a limiting card 7.

Detailed Description

The invention is further described with reference to the following detailed description and accompanying drawings. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

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

Examples

As shown in fig. 1, a live mountable high voltage switch shield comprises: the protective cover comprises a protective cover main body 1, wherein the protective cover main body 1 comprises a shell 2 and a mounting hook 3 arranged in the shell 2; wherein, be provided with assembly base 4 on the shell 2, assembly base 4 can dismantle with shell 2 and be connected. Shield main part 1 hangs the card through installation pothook 3 and connects high voltage switch, assembles base 4 and order gram stick 6 assembly connection, and can dismantle with shell 2 and be connected, when the installation directly through order gram stick 6 control shield main part 1's position, order gram stick 6 pull-down back installation pothook 3 block high voltage switch, shield main part 1 and assembly base 4 separation, shield main part 1 stays the cover outside high voltage switch wiring end, accomplishes the protection to the cable end.

As shown in fig. 2, the housing 2 includes a top plate 21, an assembly side plate 22 and a protection side plate 23 are respectively disposed on two sides of the top plate 21, an inward-folding protection plate 24 is disposed at the bottom of each of the assembly side plate 22 and the protection side plate 23, and the installation hooks 3 are connected to the assembly side plate 22. The mounting hook 3 comprises a fixing portion 31 and a hook body 32 which are integrally formed, the fixing portion 31 is fixedly connected with the hook connecting hole 27, and the mounting hook 3 comprises an inward-folded protective plate 24. The assembling side plate 22 comprises a far cable end 25 and a near cable end 26 along the length direction, one side, close to the near cable end 26, of the inner wall of the assembling side plate 22 is provided with a hook connecting hole 27, the installing hook 3 is connected with the assembling side plate 22 through the hook connecting hole 27, an assembling groove 28 is further arranged below the hook connecting hole 27, and the assembling groove 28 can be connected with the assembling base 4 in a hanging mode. The installation pothook 3 is connected with the high-voltage switch through the hook body 32 and is limited through the inward-folding protection plate 24, so that the shield main body 1 is prevented from being separated from the high-voltage pothook under the action of external wind, and the installation stability of the shield main body 1 is improved.

As shown in fig. 3, the mounting hooks 3 are connected to the inner side of the mounting side plate 22, and the mounting side plate 22 and the inward-folded guard plate 24 at the bottom of the protection side plate 23 can reduce the opening area at the bottom of the shield main body 1, thereby improving the effect of shielding the external environmental impurities. The shield main body 1 is installed at the top of the circuit breaker switch, the near cable end 26 of the shield main body is close to the cable joint position, the far cable end 25 is arranged outside the cable joint position along the cable extending direction, the installation hook 3 is hung and clamped at the near cable joint position, the shield main body 1 is ensured to stably cover the connection point of the fragile wiring end of the high-voltage switch, and the fluctuation of working effect stability caused by the influence of the environment on the end part of the cable is avoided. In this embodiment, assembly side plate 22 and protection side plate 23 are provided with spacing card mounting hole 29, install spacing card 7 in the spacing card mounting hole, spacing card 7 is used for installing at shield main body 1 block circuit breaker shirt rim behind high voltage switch's the wiring end, guarantees shield main body 1's assembly stability.

The end of the top plate 21 near the distal cable end 25 is provided with a baffle 29, the baffle 29 being disposed obliquely upward. Baffle 29 sets up at the shield main part 1 outermost end for carry out the tilting to the side opening of shield main part 1 and cover, make the debris that the top fell block and guide to the side by baffle 29, avoid debris to fall into the inside influence that causes of shield main part 1.

The assembly slot 28 includes a guide slot 281 and a positioning slot 282 that are in communication with each other, and the assembly base 4 includes a positioning post 44, and the positioning post 44 slides from the guide slot 281 into the positioning slot 282. The positioning posts 44 of the assembly base 4 are clamped into the positioning grooves 282 through the guiding grooves 281, so that the shield main body 1 and the assembly base 4 are temporarily assembled, the position of the shield main body 1 can be adjusted through the assembly base 4 by the pull rod 6, and the subsequent installation action is ensured to be smoothly carried out.

As shown in fig. 4, the assembly base 4 includes a base main body 41 and an adjusting plate 42 disposed on the base main body 41, the base main body 41 is provided with an installation groove 5 along a central axis of a length direction, connection holes 51 are disposed on both sides of the installation groove 5, and the adjusting plate 42 is installed on the connection holes 51. A plurality of groups of adjusting holes 43 arranged at different angles are formed in the adjusting plate 42, and the positioning column 44 is detachably connected with the adjusting holes 43.

As shown in fig. 5, mounting groove 5 sets up in base main part 41 headquarters, be the V type structure, and the structural connecting hole 51 that then is provided with of flat slab of mounting groove 5 both sides, regulating plate 42 is installed on flat slab structure place plane, cooperation base main part 41 forms V type cavity, make order gram stick 6 fixed in V type cavity, order gram stick 6 firmly installs as an organic wholely with assembly base 4, guarantee the accurate position of technical staff accessible order gram stick 6 control guard shield main part 1, make guard shield main part 1 mounted position adjust well, cover the protection to the high-voltage switch terminal. In this embodiment, as shown in fig. 6 and 7, the adjusting plate 42 includes a first adjusting plate 421 and a second adjusting plate 422, wherein the second adjusting plate is disposed close to the bottom plate, the second adjusting plate is further provided with at least four other adjusting holes 43 besides the hole locations corresponding to the connecting holes 51 on the mounting groove 5, the first adjusting plate is disposed outside the second adjusting plate and is longer than the second adjusting plate, the position where the first adjusting plate is longer than the second adjusting plate is provided with a temporary mounting hole 45, the positioning column 44 is disposed in the snack mounting hole before the mounting position is not determined, so as to avoid interference to other components. When the regulation hole 43 of different angles is connected with the regulating plate on the base main part 41, can be so that guard shield main part 1 is different angles card string and connects on the reference column 44 in regulation hole 43, technical staff utilizes detachable reference column 44 to select the assembly in the regulation hole 43 of different angles, can guarantee that guard shield main part 1 is in the angle that is on a parallel with the high tension switch wiring end as far as before hanging the card installation, make the installation more convenient and accurate, avoid guard shield main part 1 to install not in place and the hidden danger that the wiring end exposes appears.

The shield main body 1 is a transparent plastic product, and the shell 2 and the mounting hook 3 are all integrated components formed by bending a transparent plastic plate. The protective cover main body 1 is made of transparent plastic, the protective cover main body 1 is made of the transparent plastic, the protective cover main body is always kept in an internal visible state in the installation process and after the installation is finished, a technician can better confirm whether the installation clamping hook 3 is clamped and assembled in place in the installation process, and the technician can check the end part of the high-voltage switch cable protected in the protective cover main body 1 in the state that the protective cover main body 1 is not disassembled after the installation, so that the overhaul efficiency of the technician is greatly improved. In addition, the plastic part ensures that the shield main body 1 cannot influence an electric field on the high-voltage switch, so that the high-voltage switch has the characteristic of being installed in an electrified way, and meanwhile, the safety of the high-voltage switch shield is improved.

In this embodiment, as shown in fig. 2, when the plastic cut pieces of the outer shell 2 are folded, the angles between the top cover and the protection side plate 23 and the assembly side plate 22 are maintained at 90 ° -150 °, preferably 120 °, and the angles between the protection side plate 23 and the inward-folding protection plate 24 at the bottom of the assembly side plate 22 and the upper connecting plate body are maintained at 30 ° -70 °, preferably 50 °. And the baffle 29 forms an angle of 110 to 150, preferably 120, with the outside of the top plate 21.

In the present embodiment, as shown in fig. 3, the plastic cut piece to which the hook 3 is attached is folded such that the angle between the fixing portion 31 and the hook body 32 is maintained at 110 ° to 150 °, preferably 120 °. The base body 41 in the assembly base 4 is also formed by folding plastic cutting pieces, and the bottom angle of the installation groove 5 is 75-105 degrees, preferably 90 degrees.

The invention also discloses an installation mode of the high-voltage switch shield capable of being installed in an electrified way, and the method comprises the following steps:

s1: the head of the insulating rod 6 is provided with an assembling base 4;

s2: clamping the shield main body 1 on the assembling base 4, wherein the shield main body 1 is detachably connected with the assembling base 4;

s3: under the charged state, the insulating rod 6 is close to the cable breaker, and the bayonet at the bottom of the mounting hook 3 is aligned with the wiring terminal of the breaker switch;

s4: pulling the insulating rod 6 downwards, installing the hook 3 to hang the breaker switch, and detaching the assembling base 4 from the shield main body 1;

s5: the shield body 1 is engaged with and arranged outside the high-voltage switch terminal.

The insulating rod 6 in this embodiment includes an operating column 61 and a limiting rod 62 provided with a top of the operating column 61, and the limiting rod 62 is perpendicular to the operating column 61. During the installation, at first assemble base 4's equipment, now with 5 blocks of V type mounting groove of base main part 41 order gram stick 6 near the position of head, install the regulating plate on the connecting hole 51 of mounting groove 5 both sides through the mounting again, ensure regulating plate and base main part 41 fixed connection and form the V type installation cavity at middle part, fix order gram stick 6 through the V type installation cavity. Then, the adjusting hole 43 for installing the positioning column 44 on the adjusting plate is selected according to the angle of the high-voltage switch terminal of the shield to be installed. Before the shield body 1 is mounted on the positioning posts 44 of the selected adjusting holes 43, the operating posts 61 may be rotated by 90 ° or more leftward or rightward in the V-shaped grooves of the mounting base 4 so that the limiting rods 62 avoid the mounting path of the shield body 1, and then the guiding grooves 281 of the shield body 1 are engaged with the positioning posts 44 so that the positioning posts 44 enter the positioning grooves 282 through the guiding grooves 281, so that the shield body 1 is smoothly mounted on the mounting base 4. Then the technician resets and rotates the operation post 61 again to make the limit rod 62 return to the upper part of the shield main body 1, temporarily limit the shield main body 1 through the limit rod 62, lay down a limit foundation for the technician to install the shield main body 1 through the insulation rod 6 next time, avoid displacement or angle deviation before the shield main body 1 is installed in place, ensure that the shield main body 1 is close to the upper part of the high-voltage switch terminal according to the angle pre-controlled by the positioning post 44, finally rotate the angle of the operation post 61 in the assembly base 4 again to make the limit rod 62 avoid the upper part of the shield main body 1, and pull the insulation rod 6 downwards to make the hook body 32 of the shield main body 1 with the hook 3 clamp and hang the terminal of the high-voltage switch, the one-way action inner folding protection plate 24 is firstly folded and then rebounded under the support of the cable end, the hook body 32 is firmly connected with the terminal, and the positioning post 44 is separated from the positioning groove 282, the parallel type clamping assembly of the shield main body is realized.

In addition to the above embodiments, the technical features of the present invention can be re-selected and combined to form new embodiments within the scope of the claims and the specification of the present invention, which are all realized by those skilled in the art without creative efforts, and thus, the embodiments of the present invention which are not described in detail should be regarded as the specific embodiments of the present invention and are within the protection scope of the present invention.