CN112599314A

CN112599314A - Method for mounting insulating sheath

Info

Publication number: CN112599314A
Application number: CN202011493077.9A
Authority: CN
Inventors: 缪如建
Original assignee: Jiangsu Shenma Electric Power Co Ltd
Current assignee: Jiangsu Shenma Electric Power Co Ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-04-02
Anticipated expiration: 2040-12-17
Also published as: CN112599314B

Abstract

The invention discloses an installation method of an insulating sheath, the insulating sheath comprises a sheath main body, the sheath main body is divided into a first split body and a second split body along an axial section, the connecting edges of the first split body and the second split body are connected by an elastic connecting piece to enable the sheath main body to be automatically closed, the sheath main body in a closed state is provided with an accommodating cavity, the head of the sheath main body is provided with a first through hole, the tail of the sheath main body is provided with a second through hole, the first through hole and the second through hole are respectively divided by the axial section and are communicated with the accommodating cavity, and the installation method comprises the following steps: a, opening the sheath main body and keeping the opening state stable; b, clamping the insulating sheath by using an installation operating rod, and lifting the insulating sheath to an installation target; and c, the sheath main body is automatically closed under the action of the elastic connecting piece, the periphery of the installation target can be coated by the sheath main body after the sheath main body is closed, the lead passes through the first through hole and extends out of the sheath main body, the installation operating rod is removed, and the installation is completed. The installation method is simple and convenient to operate.

Description

Method for mounting insulating sheath

Technical Field

The application relates to the technical field of distribution insulating equipment, in particular to an installation method of an insulating sheath.

Background

The equipment layout is naturally suitable for birds to nest on the distribution network post, the distance between the inlet and outlet lines of the equipment is short, the bird nest is provided with materials such as branches, iron wires and building metal waste, the bird nest touches the electrified part after falling, and the equipment is easily bridged mutually or mutually to cause circuit tripping. For preventing distribution lines bird pest tripping operation, the main stream scheme at present adopts insulating sheath to carry out the cladding to the electrified position of equipment, and the main material of insulating sheath is rubber on the market, and the product is mostly the overlap edge structure, and overlap edge trompil is through plastics rivet fixed connection.

The traditional rubber insulating sheath is generally installed in a construction mode only when power failure occurs, if the traditional rubber insulating sheath is installed in a live mode, sufficient insulating protection needs to be carried out before construction, special equipment such as an insulating operation vehicle needs to be used, meanwhile, an operator needs to wear multiple layers of protective gloves, the difficulty of hole alignment and rivet penetrating of the traditional rubber insulating sheath is further increased, and construction efficiency is very low; on the other hand, each power supply company of the insulation operation vehicle is limited in configuration, only one or two insulation operation vehicles are normally arranged, and in addition, due to terrain limitation, the insulation operation vehicle cannot reach in some areas, so that the traditional insulation sheath cannot be installed in a large-scale and high-efficiency mode in a live mode, and construction is inconvenient.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide the installation method of the insulating sheath, the installation method is simple and convenient to operate because the insulating sheath has the self-installation characteristic, and during actual construction, an operator lifts the insulating sheath to a target position, so that the insulating sheath can automatically complete the protection installation on an electrified target, thereby preventing bird damage and tripping of a distribution line, realizing large-batch and high-efficiency installation of the insulating sheath and reducing the installation difficulty and cost.

In order to achieve the purpose, the technical means adopted by the invention are as follows: the utility model provides an installation method of insulating sheath, be used for installing insulating sheath on the installation target, the head connecting wire of installation target, insulating sheath includes the sheath main part, the sheath main part divide into first components of a whole that can function independently and second components of a whole that can function independently along axial cross section, the connection limit that first components of a whole that can function independently and second components of a whole that can function independently adopts the elastic connection spare to connect and makes the sheath main part can close automatically, the sheath main part of closure state has and holds the chamber, the head of sheath main part sets up first through-hole, the afterbody of sheath main part sets up the second through-hole, first through-hole and second through-hole are cut apart by axial cross section respectively and with:

a, opening the sheath main body and keeping the opening state stable;

b, clamping the insulating sheath by using an installation operating rod, and lifting the insulating sheath to an installation target;

and c, the sheath main body is automatically closed under the action of the elastic connecting piece, the periphery of the installation target can be coated by the sheath main body after the sheath main body is closed, the lead passes through the first through hole and extends out of the sheath main body, the installation operating rod is removed, and the installation is completed.

In this embodiment, the sheath main bodies of the insulating sheaths are connected by the elastic connecting piece, the sheath main bodies can be automatically closed in an opened state, the closing strength is high, and the sheath main bodies cannot be easily opened, so that the self-installation of the insulating sheaths is realized. The operation personnel lift insulating sheath and send to the target location, and insulating sheath can accomplish the protection installation to the electrified target automatically, can realize insulating sheath and install big batch, high efficiency when preventing distribution lines bird pest tripping operation, reduces the installation degree of difficulty and cost.

Preferably, in the step b, a step b1 is further included, in which the position of the first through hole is adjusted according to the position of the lead mounting extension so that the lead can pass through the first through hole. If the included angle between the direction of the wire of the installation target and the vertical upward direction is an acute angle or the wire is directly arranged vertically upward, the insulating sheath can be directly lifted to the position of the installation target, and the position of the first through hole is adjusted according to the position of the wire installation extension, so that the wire can pass through the first through hole; if the wire direction of installation target and the vertical contained angle of direction that upwards is the obtuse angle, the trend of wire is downward promptly, in order to let the wire pass through first through-hole smoothly, can lift insulating sheath earlier and send the lower tip of installation target to, according to the position that the wire installation extends, the position of adjustment first through-hole, thereby it can wear out first through-hole smoothly to carry insulating sheath to the periphery of installation target to guarantee the wire from bottom to top.

Preferably, in the first through hole, a flexible shield is fixedly arranged at the edge of the first split body and/or the second split body along the axial section, the flexible shield shields the first through hole, in the step c, the step of the lead passing through the first through hole includes a step c1, the position where the flexible shield contacts with the lead is elastically deformed, and the flexible shield at other positions shields the first through hole. The flexible protective cover shields the first through hole, so that sundries can be prevented from falling into the protective cover and contacting with live equipment to cause electrical hidden danger, and meanwhile, the flexible protective cover can deform and adapt to various forms of installation targets and routing lines around various angles.

Preferably, the tail part of the sheath main body is provided with a limiting mechanism to connect the first split body and the second split body, and the first split body and the second split body can overcome the resilience force of the elastic connecting piece to keep the sheath main body in a stable opening state in an opening state, and in the step a, the step a1 is further included to open the sheath main body and keep the opening state stable through the limiting mechanism. The limiting mechanism enables the first split body and the second split body to be kept fixed in position in an opening state, and when the device is installed, the device is convenient and easy to operate, and quick installation can be achieved.

Preferably, the limiting mechanism comprises a first limiting rod and a second limiting rod, one end of the first limiting rod is movably arranged on the first split body, one end of the second limiting rod is movably arranged on the second split body, and the other end of the first limiting rod is movably connected with the other end of the second limiting rod; in step a1, the sheath body is opened, so that the included angle between the first limiting rod and the second limiting rod is kept at 180 degrees, and the sheath body is kept in a stable opening state. The limiting mechanism is simple in structure, ingenious in installation and convenient to realize, and meanwhile, the installation of the sheath main body cannot be obstructed.

Preferably, a baffle is disposed on one side of the first limiting rod and/or the second limiting rod, and in step a1, when the included angle between the first limiting rod and the second limiting rod is 180 °, the baffle limits the first limiting rod and the second limiting rod. The setting of baffle can make the contained angle between first gag lever post and the second gag lever post be 180 when, and relative position between them is fixed, and the atress back can be followed original path of change and bounce-back, and the sheath main part is become the closed state by the open mode this moment.

Preferably, in step c, the step of automatically closing the sheath body by the action of the elastic connector comprises a step c2 of breaking the equilibrium state of the limiting mechanism to disable the limiting function thereof, and the sheath body is automatically closed by the action of the elastic connector.

Preferably, in the step c2, the step of breaking the balance state of the position-limiting mechanism to disable the position-limiting function includes a step c3 of applying an external force to the position-limiting mechanism to change the included angle between the first position-limiting rod and the second position-limiting rod from 180 ° to an acute angle.

Preferably, the insulating sheath further includes a connecting member provided on the sheath body to be fitted with the mounting lever, and the step of clamping the insulating sheath with the mounting lever in the step b includes a step b2 of clamping the connecting member with the mounting lever. The arrangement of the connecting parts facilitates the installation of the insulating sheath.

Preferably, the connection member is a connection plate vertically disposed on the connection side of the first division body or the connection side of the second division body, the connection plate is provided with a connection hole, and in step b2, the end of the installation operation rod passes through the connection hole to clamp the insulation sheath. The connecting part is positioned on the connecting edge of the first split body or the connecting edge of the second split body and can be positioned in the middle of the insulating sheath in an open state, the operating rod is installed to clamp the insulating sheath, the insulating sheath is lifted to an installation target, the stress of the first split body and the stress of the second split body are balanced, and the operation is more stable. The connecting parts can install the insulating sheath at a required position at intervals, and the insulating sheath does not need to be directly contacted with an installation target by constructors, so that the operation safety is improved, and the installation of the insulating sheath is facilitated.

Preferably, the elastic connection is a spring hinge or a torsion spring. The spring in the elastic connecting piece can make the sheath body close automatically and the closed state is stable. The spring hinge is a hinge which can automatically close the sheath main body after being opened and is attached with a spring. The torsion spring is also called a torsion spring, and is a cylindrical coil spring for bearing torsion moment. It uses lever principle, and makes it have great mechanical energy by twisting or rotating the elastic material with soft material and high toughness, and is a spring bearing torsional deformation. The end structure of the torsion spring is processed into torsion arms with various shapes, from single torsion to double torsion, and even the deformation of various torsion bars, and the end structure is formed according to the design.

Preferably, the sheath body is an insulating material. The main body of the protective sleeve is insulated, so that the materials such as branches, iron wires and building metal garbage of the bird nest can be prevented from touching the electrified part after falling, and the problem of line tripping caused by inter-phase or inter-phase bridging of equipment is avoided.

Preferably, the head of the sheath main body is a hemisphere, the head of the first split body and the head of the second split body are respectively a quarter sphere, and the head of the sheath main body is provided with a first through hole along the axial section. The first through hole is used for routing, and the first through hole can adapt to the various forms of installation target, encircle the line of walking of multiple angle for the arc hole.

Preferably, the central angle of the first through hole is greater than or equal to 180 degrees, so that the wires in all directions of the installation target can be ensured to extend out of the insulating sheath.

Preferably, the edge of the flexible shield is a toothed structure. After the flexible shield of the tooth-shaped structure is penetrated by the lead, the first through hole can be shielded, and no large gap exists in the area of the first through hole.

Preferably, the edge of the flexible shield connected with the sheath main body is provided with a protrusion, the sheath main body is correspondingly provided with a fixing hole, and the protrusion penetrates through the fixing hole and is fixed by the fixing plug so that the flexible shield is installed on the sheath main body. The installation mode between the flexible shield and the sheath main body is simple and firm, the operation is convenient, and the cost is lower.

Preferably, the sheath main body is of a hollow structure. Hollow out construction's sheath main part, the quality is light, and the installation of being convenient for saves raw materials, reduce cost, simultaneously, is convenient for observe the state of installation target, and the fortune dimension such as the temperature monitoring after the installation of being convenient for overhauls.

Preferably, a damping block is correspondingly arranged along the opening and closing edge of the first split body and the opening and closing edge of the second split body, and when the sheath main body is closed, corresponding surfaces of the two damping blocks are attached. The sheath main part is in the closed moment, and the atress on the limit that opens and shuts of sheath main part can be born in the setting of snubber block, avoids damaging because the too big thin wall that makes the sheath main part of closed intensity, destroys insulating sheath overall structure's stability.

Drawings

Fig. 1 is a schematic perspective view of an insulating sheath 100 in a closed state according to a first embodiment of the invention;

fig. 2 is a schematic structural diagram of the installation target 10 according to the first embodiment of the present invention;

fig. 3 is a front view of the insulating sheath 100 in a closed state according to the first embodiment of the present invention;

fig. 4 is a rear view of the insulating sheath 100 in a closed state according to the first embodiment of the present invention;

fig. 5 is a perspective view of the insulation sheath 100 in an open state according to the first embodiment of the present invention;

FIG. 6 is a top view of the insulating sheath 100 in a closed state according to a first embodiment of the present invention;

fig. 7 is a perspective view of the insulating sheath 200 in a closed state according to the second embodiment of the present invention;

fig. 8 is a bottom view of the insulating sheath 200 in a closed state according to the second embodiment of the present invention;

fig. 9 is a perspective view of the insulation sheath 200 in an open state according to the second embodiment of the present invention;

fig. 10 is a perspective view of the insulating sheath 300 according to the third embodiment of the present invention in a closed state.

Detailed Description

As required, detailed embodiments of the present invention are disclosed herein. However, it is to be understood that the disclosed embodiments are merely exemplary of the invention, which may be embodied in various forms. Therefore, specific details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention in virtually any appropriately detailed manner, including employing various features disclosed herein in combination with features that may not be explicitly disclosed herein.

The first embodiment is as follows:

as shown in fig. 1, 3, 4 and 5, the present embodiment provides an insulating sheath 100, which includes a sheath main body 110, the sheath main body 110 is divided into a first sub-body 111 and a second sub-body 112 along an axial cross section, a connecting edge 113 connecting the first sub-body 111 and the second sub-body 112 is connected by an elastic connector 120 so that the sheath main body 110 can be automatically closed, the sheath main body 110 in a closed state has an accommodating cavity 114, a first through hole 130 is disposed at a head of the sheath main body 110, a second through hole 140 is disposed at a tail of the sheath main body 110, and the first through hole 130 and the second through hole 140 are respectively divided by the axial cross section and are communicated with the accommodating cavity 114.

In this embodiment, one end of the first division 111 and the second division 112 connected by the elastic connection member 120 is a connection edge 113, that is, each of the first division 111 and the second division 112 has a connection edge 113; one end of each of the first and second divided

bodies

111 and 112, which is parallel to the connecting edge 113 and enables the sheath body 110 to be in the open state, is an open-close edge, that is, each of the first and second divided

bodies

111 and 112 has one open-close edge. The sheath body 110 of the insulating sheath 100 is connected by the elastic connection member 120, can be automatically closed in an opened state, and has high closing strength without being easily opened, thereby realizing 'self-installation' of the insulating sheath 100. The "self-installation" is a process in which an operator lifts the insulating sheath 100 to a position where the object 10 is installed, and the insulating sheath 100 automatically performs the installation for protecting the charged object. The insulating sheath 100 can prevent bird damage and tripping of the distribution line, meanwhile, large-batch and high-efficiency installation is achieved, and installation difficulty and installation cost are reduced.

In this embodiment, the sheath body 110 is a cylinder, the axial cross section is a central cross section of the sheath body 110 along the axial direction, the central cross section divides the sheath body 110 into a first sub-body 111 and a second sub-body 112, and the first sub-body 111 and the second sub-body 112 are symmetrically arranged. The insulating sheath 100 with the structure is balanced in stress and most convenient to switch the opening and closing states because the two parts of the sheath main body 110 are symmetrically arranged in the opening and closing process.

In other embodiments, the shape of the sheath body is not limited to a cylinder, and may be any shape that fits the installation target.

In other embodiments, the axial section is not limited to the central section, as long as the first through hole and the second through hole can be respectively divided by the axial section and communicated with the accommodating cavity, and the insulating sheath can be installed.

The structure of the installation target 10 of the present embodiment is shown in fig. 2, the main body of the installation target 10 is an insulator 11, the head of the insulator 11 is provided with a wire connecting member 12, the wire connecting member 12 is provided with a wire connecting hole 13, and the wire connecting hole 13 is used for connecting a wire (not shown in the figure).

In other embodiments, the shape of the installation target and the position of the wire are not limited, and the insulating sheath is actually designed according to the shape of the installation target and the position of the wire, thereby presenting different appearance designs of the insulating sheath.

In this embodiment, the elastic connection member 120 is a spring hinge 120. The spring hinge 120 is a hinge that can automatically close the sheath body 110 after opening, and is attached with a spring. The spring in the spring hinge 120 may cause the sheath body 110 to be automatically closed and the closed state to be stable.

In other embodiments, the elastic connection member may also be a torsion spring, which is also called a torsion spring. The torsion spring is a cylindrical coil spring that receives a torque. It uses lever principle, and makes it have great mechanical energy by twisting or rotating the elastic material with soft material and high toughness, and is a spring bearing torsional deformation. The end structure of the torsion spring is processed into torsion arms with various shapes, from single torsion to double torsion, and even the deformation of various torsion bars, and the end structure is formed according to the design.

In other embodiments, the elastic connection element may be any other connection element capable of performing a connection function and having an elastic restoring capability, and a spring hinge or a torsion spring is a prominent representative, but the present invention is not limited thereto.

In the present embodiment, the sheath body 110 is an insulating material. The insulation of the sheath main body 110 can prevent the branch, the iron wire, the building metal garbage and other materials of the bird nest from touching the charged part after falling, and the problem of line tripping caused by bridging between equipment phases or between the equipment phases is avoided.

In this embodiment, the material of sheath main part 110 is rigid plastic, and rigid plastic possesses good insulating properties, and is simple and convenient easy simultaneously, and forming process is simple, can adopt advanced technologies such as 3D printing even to the part that the structure is complicated, and labour saving and time saving avoids opening the system mould simultaneously. In other embodiments, the molding process may also be a compression molding process or an injection molding process.

In other embodiments, the material of the sheath body is hard rubber, or an insulating composite material, etc., which is not limited herein.

In this embodiment, the head of the sheath body 110 is a hemisphere, the heads of the first and

second sub-bodies

111 and 112 are quarter spheres, the head of the sheath body 110 is provided with a first through hole 130 along an axial cross section, and the first through hole 130 is an arc-shaped hole. Specifically, the first through hole 130 is an arc-shaped hole on the outer circumferential surface of the head of the sheath body 110, and the first through hole 130 is provided along the spherical surface of the head of the sheath body 110 and divided by an axial section. When the sheath body 110 is in the open state, the first through hole 130 is in the detached state, and when the sheath body 110 is in the closed state, the first through hole 130 is in the through hole state. First through-hole 130 is used for walking the line, and first through-hole 130 can reduce the line degree of difficulty of walking of installation target 10 for the arc hole, and the multi-angle of being convenient for is walked the line.

In other embodiments, the sheath body may be a standard cylinder, and the upper bottom surface and the lower bottom surface are respectively provided with a first through hole and a second through hole, and the first through hole is used for routing. Or the head of the sheath main body is arranged in a common cambered surface and the like. The routing structure of the insulating sheath can be specifically designed according to the characteristics of the installation target, and is not specifically limited herein.

In the present embodiment, the central angle of the first through hole 130 is greater than 180 °, the hemispherical head of the sheath body 110 is provided with the first through hole 130 along an axial section, and the first through hole 130 extends on a portion connected to the hemispherical head of the sheath body 110. It is understood that the center of the central angle in this embodiment is the center of the hemisphere of the sheath body 110, and the two end points of the central angle are two intersection points of the edge of the arc hole and the axial section of the sheath body 110 at the periphery of the sheath body 110. Therefore, in the present embodiment, the central angle of the first through hole 130 is larger than 180 °, and it is possible to ensure that the wire of the installation object 10 can smoothly protrude outside the insulating sheath 100 regardless of the direction from which it protrudes.

In other embodiments, if the included angle between the wire direction of the installation target and the vertical upward direction is not an obtuse angle, the central angle of the first through hole may be equal to 180 °, that is, the first through hole is only provided with the hemispherical head of the sheath main body and does not extend to the column part of the sheath main body.

In other embodiments, if the included angle between the wire direction of the installation target and the vertical upward direction is an acute angle or the wire is directly vertically upward, the central angle may also be smaller than 180 °.

Referring to fig. 6, in the present embodiment, two rows of flexible covers 150 are fixedly disposed along the axial cross section of the first and

second sub-bodies

111 and 112 in the first through hole 130, and the flexible covers 150 cover the first through hole 130. The flexible shield 150 shields the first through hole 130 to prevent sundries from falling into the insulating sheath 100 and contacting with live equipment to cause electrical hidden troubles, and meanwhile, the flexible shield 150 can deform and adapt to various forms of installation targets 10 and routing around various angles. The flexible shield 150 has the characteristic that after the wire passes through the first through hole 130, the position where the flexible shield 150 contacts with the wire is elastically deformed, and the flexible shields at other positions still play a role of shielding the first through hole 130.

In other embodiments, if the size of the first through hole is smaller, after the wire passes through the first through hole, the remaining gap between the wire and the insulating sheath is smaller, and the flexible shield may not be disposed to shield the first through hole.

In other embodiments, a row of flexible shields may be fixedly disposed along the axial cross section at the edge of the first or second sub-body, respectively, in the first through hole, and the flexible shields may shield the first through hole. In a specific operation process, the wire only needs to be capable of penetrating out of the first through hole, and does not need to penetrate out of the middle area of the first through hole.

In this embodiment, the edge of the flexible shield 150 is a toothed structure. After the flexible shield 150 with the tooth-like structure is passed through by the wire, the first through hole 130 can still be shielded, and no large gap is left in the area of the first through hole 130.

In other embodiments, the edge of the flexible shield may have other shapes as long as the flexible shield is convenient for routing and can shield the first through hole.

In this embodiment, the edge of the flexible shield 150 connected to the sheath body 110 is provided with a protrusion (not shown), the sheath body 110 is correspondingly provided with a through hole 115, and the protrusion is fixed by a fixing plug through the through hole 115 to mount the flexible shield 150 on the sheath body 110. The flexible shield 150 and the sheath body 110 are simply and firmly mounted, so that the operation is convenient and the cost is low.

In other embodiments, the flexible shield and the sheath main body may also be fixedly connected by gluing, or the flexible shield and the sheath main body may be connected and integrally formed by a hot melt adhesive machine. The specific connection is not limited herein.

In the present embodiment, the sheath body 110 is a hollow structure. The sheath main body 110 with the hollow structure is light in weight, convenient to install, raw material-saving, low in cost, convenient to observe the state of the installation target 10 and convenient to maintain and overhaul after installation.

In other embodiments, the sheath body may not be designed to be hollowed out, and the sheath body completely covers the periphery of the installation target. Or a viewing window may be provided in the sheath body. As the insulating sheath does not have sealing requirements, the insulating sheath can be used as long as large objects such as branches, iron wires, construction metal garbage and the like are prevented from falling into the insulating sheath.

In this embodiment, the steps of the installation method of the insulating sheath 100 are: a, opening the sheath body 110 and keeping the opened state stable; b, clamping the insulating sheath 100 by using an installation operating rod, and lifting the insulating sheath 100 to the installation target 10; c, the sheath body 110 is automatically closed by the elastic connection member 120, and after the closure, the sheath body 110 may cover the outer circumference of the installation target 10, and the installation lever is removed to complete the installation.

In the present embodiment, in step a, the sheath body 110 may be manually opened in advance; a supporting mechanism may be provided between the first and

second bodies

111 and 112 to open the sheath body 110 and keep the open state stable; two mounting operation rods are also adopted to directly clamp and open the first split body 111 and the second split body 112 respectively; the sheath body 110 may also be opened by clamping the first and

second split bodies

111 and 112 with a single mounting lever having two clamping ends to change the relative distance therebetween.

In this embodiment, in the step b, a step b1 is further included, in which the position of the first through hole 130 is adjusted according to the position of the lead installation extension, so that the lead can pass through the first through hole 130. If the included angle between the wire direction of the installation target 10 and the vertical upward direction is an acute angle or the wire is directly arranged vertically upward, the insulating sheath 100 can be directly lifted to the position of the installation target 10, and the position of the first through hole 130 is adjusted according to the position where the wire is installed and extended, so that the wire can pass through the first through hole 130; if the included angle between the wire direction of the installation target and the vertical upward direction is an obtuse angle, that is, the trend of the wire is downward, in order to allow the wire to smoothly pass through the first through hole 130, the insulation sheath 100 may be lifted and delivered to the lower end portion of the installation target 10, the position of the first through hole 130 may be adjusted according to the position where the wire is installed and extended, and the insulation sheath 100 is lifted and delivered to the periphery of the installation target 10 from bottom to top, thereby ensuring that the wire can smoothly pass through the first through hole 130.

In this embodiment, in step c, if a supporting mechanism is disposed between the first body 111 and the second body 112, the supporting mechanism is removed, the supporting function is disabled, so that the first body 111 and the second body 112 can complete automatic closing, and then the installation operation rod is removed; if the first and

second sub-bodies

111 and 112 are respectively clamped and opened by the installation operation rod, the installation operation rod is directly driven to close the first and

second sub-bodies

111 and 112, and the installation operation rod is removed.

In this embodiment, in the first through hole 130, the flexible shield 150 is fixedly disposed at the edge of the first and

second sub-bodies

111 and 112 along the axial cross section, and the flexible shield 150 shields the first through hole 130, in step c, the step of passing the wire through the first through hole 130 includes step c3, where the flexible shield 150 is elastically deformed at the position where the wire contacts the wire, and the flexible shield 150 at other positions shields the first through hole 130. The flexible shield 150 shields the first through hole 130 to prevent sundries from falling into the insulating sheath 100 and contacting with the live equipment to cause electrical hidden troubles, and meanwhile, the flexible shield 150 can deform to leave a space for wiring.

The insulation sheath 100 of the present embodiment is automatically closed by the elastic connection member 120, and the closed state is stable, and the insulation sheath 100 is not easily opened without being subjected to a large external force.

The insulating sheath 100 of this embodiment possesses "from the installation" characteristic, and during actual construction, the operation personnel lift insulating sheath 100 to the target location, and insulating sheath 100 can accomplish the protection installation to the electrified target automatically, can realize insulating sheath 100 big batch, high efficiency installation when preventing distribution lines bird pest tripping operation, reduces the installation degree of difficulty and cost.

Example two:

as shown in fig. 7 to 9, with reference to fig. 2, the present embodiment provides an insulating sheath 200, which is different from the first embodiment in that the insulating sheath 200 is further provided with a limiting mechanism 260.

In this embodiment, the tail of the sheath body 210 is provided with a limiting mechanism 260 to connect the first body 211 and the second body 212, and the first body 211 and the second body 212 can be kept fixed in position in the opened state. The limiting mechanism 260 is arranged to enable the first split body 211 and the second split body 212 to keep fixed in position in an opening state, so that the installation is more convenient and easy to operate, and quick installation can be realized.

In this embodiment, the limiting mechanism 260 includes a first limiting rod 261 and a second limiting rod 262, one end of the first limiting rod 261 is provided with a through hole, the first split body 211 is provided with a corresponding threaded hole, one end of the first limiting rod 261 is connected with the first split body 211 through a screw, one end of the first limiting rod 261 is movably arranged on the first split body 211, the first limiting rod 261 can rotate around the screw, and similarly, one end of the second limiting rod 262 is also movably arranged on the second split body 212, and the other end of the first limiting rod 261 is movably connected with the other end of the second limiting rod 262. The included angle between the first and second position-limiting

rods

261 and 262 may be changed according to the position change of the open/close state of the first and

second bodies

211 and 212. Especially, when the included angle between the first stopper rod 261 and the second stopper rod 262 is 180 °, the first stopper rod 261 and the second stopper rod 262 may be kept fixed in position, so that the first and

second sub-bodies

211 and 212 are opened and the opened state is kept stable. The limiting mechanism 260 is simple in structure, ingenious in installation and convenient to realize, and meanwhile cannot form obstacles for installation of the sheath main body 210.

In this embodiment, the mounting plate is disposed around the second through hole 240 at the rear portion of the jacket main body 210, and the first mounting plate 2111 of the first division body 211 and the second mounting plate 2121 of the second division body 212 are located on the same plane. One end of the first stopper 261 is movably disposed on the first mounting plate 2111, and one end of the second stopper 262 is movably disposed on the second mounting plate 2121. The first mounting plate 2111 and the second mounting plate 2121 are symmetrical semicircular rings, and form the second through hole 240 after being closed.

In other embodiments, the first and second mounting plates may be any arcuate rings as long as the first and second stop bars are conveniently mounted.

In other embodiments, the first mounting plate and the second mounting plate may be provided on the outer peripheral surface of the sheath body. Or, cancel first mounting panel and second mounting panel, first gag lever post and second gag lever post are L type structure, and the vertical end direct mount of L type structure is on the outer peripheral face of sheath main part, and the horizontal end of L type structure is located the bottom of insulating sheath, is on a parallel with the second through-hole. Generally, the design of the limiting mechanism is varied, and the limiting mechanism can be used as long as the first split body and the second split body can keep the relative position to be fixed in the opened state and the limiting effect disappears after external force is applied.

In this embodiment, a baffle 263 is disposed on a side of the first stopper 261 close to the outer peripheral surface of the sheath main body 210, and in a state where the first and

second segments

211 and 212 are closed, an intersection point of the first stopper 261 and the second stopper 262 is away from the axis of the sheath main body 210. In the state where the first and

second sub-bodies

211 and 212 are opened, when the included angle between the first and second position-restricting

levers

261 and 262 is 180 °, the baffle 263 restricts the first and second position-restricting

levers

261 and 262. Due to the arrangement of the baffle 263, when the included angle between the first limiting rod 261 and the second limiting rod 262 is 180 degrees, the relative positions of the two are fixed, after the force is applied, the two rods can rebound along the original changing path, and the sheath main body 210 is changed from the open state to the closed state.

In other embodiments, a baffle is disposed on a side of the first limiting rod away from the outer peripheral surface of the sheath body, and in a closed state, an intersection point of the first limiting rod and the second limiting rod is close to the axis of the sheath body. That is, the baffle is arranged on which side of the first limiting rod, and the realization of the limiting function of the baffle is not influenced.

In other embodiments, a baffle plate may be disposed on one side of the second limiting rod, and when the included angle between the first limiting rod and the second limiting rod is 180 °, the baffle plate limits the first limiting rod and the second limiting rod.

In this embodiment, one damper block 270 is provided along each of the opening and closing sides of the first and second divided

bodies

211 and 212, the damper block 270 is provided to protrude from the outer circumference of the sheath body 210, and the corresponding surfaces of the two damper blocks 270 are attached to each other when the sheath body 210 is closed. At the closing moment of the sheath main body 210, the shock absorption block 270 can bear the stress of the opening and closing edge of the sheath main body 210, and the damage to the thin wall of the sheath main body 210 and the damage to the stability of the whole structure of the insulating sheath 200 caused by the overlarge closing strength are avoided.

In other embodiments, no damper block may be provided. For example, the elastic material may be coated along the opening and closing edges of the first and second components or the opening and closing edges of the first and second components may be thickened, so as to prevent the thin wall of the sheath main body from being damaged due to the excessive closing strength and to prevent the stability of the overall structure of the insulating sheath from being damaged.

In other embodiments, the damper block may not be protrudingly disposed on the outer circumference of the sheath body, may be protrudingly disposed on the inner wall of the sheath body inwardly, or may be protrudingly disposed on both the outer circumference and the inner wall of the sheath body, as long as the installation of the insulating sheath is not hindered, and is not particularly limited herein.

In this embodiment, during the actual installation of the insulating sheath 200, the installation method comprises the following steps:

a, opening the sheath body 210 and keeping the opening state stable;

b, clamping the insulating sheath 200 by using an installation operating rod, and lifting the insulating sheath 200 to the installation target 10;

c, the sheath main body 210 is automatically closed by the elastic connection member 220, the sheath main body 210 can cover the periphery of the installation target 10 after the closing, the lead extends out of the sheath main body 210 through the first through hole 230, and the installation operation rod is removed to complete the installation.

In this embodiment, a limiting mechanism 260 is disposed at the tail of the sheath main body 210 to connect the first body 211 and the second body 212, and the first body 211 and the second body 212 can be kept fixed in position in the opened state, and in step a, a step a1 is further included, in which the sheath main body 210 is opened and the opened state is kept stable by the limiting mechanism 260. The limiting mechanism 260 is arranged to enable the first split body 211 and the second split body 212 to keep fixed in position in an opening state, so that the installation is more convenient and easy to operate, and quick installation can be realized.

In this embodiment, the limiting mechanism 260 includes a first limiting rod 261 and a second limiting rod 262, one end of the first limiting rod 261 is movably disposed on the first split body 211, one end of the second limiting rod 262 is movably disposed on the second split body 212, and the other end of the first limiting rod 261 is movably connected with the other end of the second limiting rod 262; in step a1, the sheath body 210 is opened, so that the included angle between the first stopper 261 and the second stopper 262 is kept at 180 °, and the sheath body 262 is kept stable in the opened state. The limiting mechanism 260 is simple in structure, ingenious in installation and convenient to realize, and meanwhile cannot form obstacles for installation of the sheath main body 210.

In this embodiment, a blocking plate 263 is disposed on one side of the first limiting rod 261, and in step a1, when the included angle between the first limiting rod 261 and the second limiting rod 262 is 180 °, the blocking plate 263 limits the first limiting rod 261 and the second limiting rod 262. Due to the arrangement of the baffle 263, when the included angle between the first limiting rod 261 and the second limiting rod 262 is 180 degrees, the relative positions of the two are fixed, after the force is applied, the two rods can rebound along the original changing path, and the sheath main body 210 is changed from the open state to the closed state.

In this embodiment, in step c, the step of automatically closing the sheath body 210 by the action of the elastic connection element 220 includes a step c2 of destroying the balance state of the position-limiting mechanism 260 to disable the position-limiting function thereof, and the sheath body 210 is automatically closed by the action of the elastic connection element 220.

In this embodiment, in step c2, the step of destroying the balance state of the position-limiting mechanism 260 to disable its position-limiting function includes step c3 of applying an external force to the position-limiting mechanism 260 to make the included angle between the first position-limiting rod 261 and the second position-limiting rod 262 change from 180 ° to an acute angle, so that the position-limiting function of the position-limiting mechanism 260 is disabled, and at this time, the sheath main body 210 is automatically closed by the elastic connection element 220.

In this embodiment, since the limiting mechanism 260 can keep the first and

second components

211 and 212 fixed in position in the opened state, only one installation operation rod is needed, and when the installation is performed, the operation is more convenient and easier, and the rapid installation can be realized.

Example three:

as shown in fig. 10, in conjunction with fig. 2, the present embodiment provides an insulating sheath 300, which is different from the second embodiment in that the insulating sheath 300 is further provided with a connecting member 380.

In this embodiment, the insulating sheath 300 further includes a connection member 380, and the connection member 380 is provided on the sheath body 310 to be fitted with the installation lever. The connecting member 380 facilitates installation of the insulating sheath 300.

In the present embodiment, the connection member 380 is a connection plate 380 vertically disposed on the connection side of the first body 311 or the connection side of the second body 312, and the connection plate 380 is provided with a connection hole 381 for fitting with the mounting lever. The connection member 380 is located on the connection edge of the first body 311 or the connection edge of the second body 312, and may be located at the middle position of the insulation sheath 300 in the opened state, and the installation operation rod clamps the insulation sheath 300 to lift the insulation sheath 300 to the installation target 10, so that the first body 311 and the second body 312 are balanced in stress, and the operation is more stable.

In this embodiment, the shape of connecting hole 381 is "calabash", and in order to prevent the slip that simple round hole probably appears when snatching, ensure to snatch firmly, can carry out the adaptation with general installation action bars in the net field of joining in marriage.

In other embodiments, the installation operation rod is not limited to the installation operation rod commonly used in the field of distribution networks, and the shape of the connection hole can be designed arbitrarily to be matched with the actual installation operation rod.

In this embodiment, during the actual installation of the insulating sheath 300, the installation method comprises the following steps:

a, opening the sheath body 310 and keeping the opening state stable;

b, clamping the insulating sheath 300 by using an installation operation rod, and lifting the insulating sheath 300 to the installation target 10;

c, the sheath main body 310 is automatically closed through the action of the elastic connecting piece, the sheath main body 310 can cover the periphery of the installation target 10 after the closing, the lead passes through the first through hole and extends out of the sheath main body 310, and the installation operation rod is removed to complete the installation.

In this embodiment, the insulating sheath 300 further includes a connection member 380, the connection member 380 being provided on the sheath body 310 to be fitted with the installation operation rod, and the step of clamping the insulating sheath 300 with the installation operation rod in the step b includes a step b2 of clamping the connection member 380 with the installation operation rod. The provision of the connecting member 380 facilitates the installation of the insulating sheath 300.

In the present embodiment, the connection member 380 is a connection plate 380 vertically disposed on the connection side of the first body 311 or the connection side of the second body 312, a connection hole 381 is disposed on the connection plate 380, and in step b2, the end of the installation operation rod passes through the connection hole 381 to clamp the insulating sheath 300. The connection member 380 is located on the connection edge of the first body 311 or the connection edge of the second body 312, and may be located at the middle position of the insulation sheath 300 in the opened state, and the installation operation rod clamps the insulation sheath 300 to lift the insulation sheath 300 to the installation target 10, so that the first body 311 and the second body 312 are balanced in stress, and the operation is more stable.

In the present embodiment, in the "holding the connection member 380 of the insulating sheath 300 with the mounting lever, lifting the insulating sheath 300 to the mounting target 10", the end of the mounting lever passes through the connection hole 381 to hold the insulating sheath 300.

In this embodiment, in step c, after the limiting mechanism for keeping the sheath main body 310 open touches the installation target, the sheath main body 310 is automatically closed by the elastic connection member.

In the insulating sheath 300 of the present embodiment, the connecting member 380 is provided on the sheath body 310 to be fitted to the mounting lever, and the "self-mounting" of the insulating sheath 300 can be further achieved.

The insulating sheath has the characteristic of self-installation, and during actual construction, an operator lifts the insulating sheath to a target position, so that the insulating sheath can automatically complete protective installation on an electrified target, thereby preventing bird damage and tripping of a distribution line, realizing large-batch and high-efficiency installation of the insulating sheath, and reducing the installation difficulty and the installation cost.

While the invention has been described with reference to the above disclosure and features, it will be understood by those skilled in the art that various changes and modifications in the above constructions and materials can be made, including combinations of features disclosed herein either individually or in any combination, as appropriate, without departing from the spirit of the invention. Such variations and/or combinations are within the skill of the art to which the invention pertains and are within the scope of the following claims.

Claims

1. An installation method of an insulating sheath is used for installing the insulating sheath on an installation target, a lead is connected to the head of the installation target, the insulating sheath comprises a sheath main body, the sheath main body is divided into a first split body and a second split body along an axial section, the connecting edges of the first split body and the second split body are connected through an elastic connecting piece, so that the sheath main body can be automatically closed, the sheath main body in a closed state is provided with an accommodating cavity, the head of the sheath main body is provided with a first through hole, the tail of the sheath main body is provided with a second through hole, and the first through hole and the second through hole are respectively divided by the axial section and are communicated with the accommodating cavity, and the installation method is characterized by comprising the following steps:

a, opening the sheath main body and keeping the opening state stable;

b, clamping the insulating sheath by using an installation operating rod, and lifting the insulating sheath to the installation target;

and c, the sheath main body is automatically closed under the action of the elastic connecting piece, the sheath main body can coat the periphery of the installation target after the sheath main body is closed, the lead passes through the first through hole and extends out of the sheath main body, and the installation operating rod is removed to complete installation.

2. The method of installation of claim 1, wherein: in the step b, a step b1 is further included, in which the position of the first through hole is adjusted according to the position of the lead mounting extension, so that the lead can pass through the first through hole.

3. The method of installation of claim 1, wherein: in the first through hole, a flexible shield is fixedly arranged at the edge of the first split body and/or the second split body along the axial section, the flexible shield covers the first through hole, in the step c, the step that the lead passes through the first through hole comprises a step c1, the position where the flexible shield is contacted with the lead is elastically deformed, and the flexible shield at other positions covers the first through hole.

4. The method of installation of claim 1, wherein: the tail part of the sheath main body is provided with a limiting mechanism which is connected with the first split body and the second split body, the first split body and the second split body can be kept fixed in position in an opened state, and in the step a, the sheath main body opening device further comprises a step a1, and the opening state of the sheath main body is kept stable through the limiting mechanism.

5. The mounting method according to claim 4, wherein: the limiting mechanism comprises a first limiting rod and a second limiting rod, one end of the first limiting rod is movably arranged on the first split body, one end of the second limiting rod is movably arranged on the second split body, and the other end of the first limiting rod is movably connected with the other end of the second limiting rod; in the step a1, the sheath body is opened, so that the included angle between the first limiting rod and the second limiting rod is kept at 180 degrees, and the sheath body is kept stable in the opened state.

6. The method of installation of claim 5, wherein: a baffle is arranged on one side of the first limiting rod and/or the second limiting rod, and in the step a1, when an included angle between the first limiting rod and the second limiting rod is 180 degrees, the baffle limits the first limiting rod and the second limiting rod.

7. The mounting method according to claim 3, wherein: in the step c, the step of automatically closing the sheath body by the action of the elastic connecting piece comprises a step c2 of breaking the balance state of the limiting mechanism to disable the limiting function, and the sheath body is automatically closed by the action of the elastic connecting piece.

8. The method of installation according to claim 6, wherein: in the step c2, the step of breaking the balance state of the position-limiting mechanism to disable the position-limiting function includes a step c3 of applying an external force to the position-limiting mechanism to change the included angle between the first position-limiting rod and the second position-limiting rod from 180 ° to an acute angle.

9. The method of installation of claim 1, wherein: the insulating sheath further includes a connection member provided on the sheath body to be fitted with the mounting lever, and the step of clamping the insulating sheath with the mounting lever in the step b includes a step b2 of clamping the connection member with the mounting lever.

10. The method of installation of claim 9, wherein: the connection member is a connection plate vertically disposed on the connection edge of the first division body or the connection edge of the second division body, the connection plate is provided with a connection hole, and in the step b2, the end of the installation operation rod passes through the connection hole to clamp the insulation sheath.