CN210120387U

CN210120387U - Protective sleeve

Info

Publication number: CN210120387U
Application number: CN201921149799.5U
Authority: CN
Inventors: 尤占山; 胡超强; 黄应敏; 邹科敏; 邵源鹏; 高伟光; 许翠珊; 冯泽华; 徐秋燕; 王骞能; 胡玉莹; 陈雪儿; 刘金勇; 陈匡迪; 郝燕; 冯家杰
Original assignee: Guangzhou Panyu Cable Group Co Ltd
Current assignee: Guangzhou Panyu Cable Group Co Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-02-28
Anticipated expiration: 2029-07-19

Abstract

The utility model relates to an electric power tool field specifically is a protective sleeve section of thick bamboo, divide the shell and the second divides the shell including first branch shell, first branch shell and second divide the shell to be the cross section for fan annular arc well hollow plate, divide the shell and the second to divide the shell to be the cross section for fan annular arc well hollow plate including first branch shell, first branch shell and second divide the both sides limit of shell to be equipped with slot and hollow cutting respectively with the second, the one end that the slot can be followed to the hollow cutting inserts and slides wherein, two sides that make first branch shell and second divide the shell can carry out the embedded tight fit of guide rail and connect to closing and forming both ends opening, side confined protective sleeve section of thick bamboo, and protective sleeve's whole section of thick bamboo wall is including the inner wall, well frame hollow layer and outer wall's three layer construction. During the use, with the protective sheath cover on the aerial [ insulated ] cable bare wire, can effectively prevent to take place the electric shock accident, and reliable durable, the security is good, the simple operation, simple structure.

Description

Protective sleeve

Technical Field

The utility model relates to an electric power tool field specifically is a protective sleeve section of thick bamboo.

Background

High-voltage wires erected at high altitude are generally bare wires, such as common 10-35 kv high-voltage cables, and under normal conditions, the safety distance to the ground and other buildings and plants is considered during aerial laying, but branches of large trees or other plants near the high-voltage wires may be close to the high-voltage bare wires along with continuous growth, break through the safety distance and even touch the high-voltage wires, so that electric shock accidents occur. In addition, for maintenance and construction of the overhead line, operators or operating tools can be close to the exposed high-voltage line, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims to provide a good reliability, the security is good, the simple operation, simple structure's a protective sleeve for protect one section aerial [ insulated ] cable near construction point or plant branch, prevent to take place the electric shock accident.

The utility model discloses the task is realized through following technical scheme:

a protective sleeve comprises a first insulating sub-shell and a second insulating sub-shell, wherein the first insulating sub-shell and the second insulating sub-shell are arc hollow plates with sector-shaped cross sections, two side edges of the first insulating sub-shell and two side edges of the second insulating sub-shell are respectively provided with a plugging structure capable of being matched in an embedded mode, so that the first insulating sub-shell and the second insulating sub-shell can be combined to form the protective sleeve with two open ends and a closed side face, a joint face of the first insulating sub-shell and the second insulating sub-shell is a folding face, the wall of the protective sleeve is of a three-layer structure comprising an inner wall, a middle frame hollow layer and an outer wall, and an overhead cable can enter an inner cavity of the protective sleeve from the side face through the opening of the first insulating sub-shell or the second insulating sub-; the drawing and inserting structure is as follows: two sides of the first branch shell are respectively provided with a slot or a hollow inserting strip which runs through two ends of the first branch shell, two sides of the second branch shell are respectively provided with a corresponding hollow inserting strip or a slot, the hollow inserting strip can be inserted from one end of the slot and can slide in the slot, so that two sides of the first branch shell and two sides of the second branch shell can be connected in a guide rail embedded tight fit manner, and the embedded connection position of the first branch shell and the second branch shell is also of a three-layer structure comprising an inner wall, an intermediate frame hollow layer and an outer wall.

Preferably, the central angle of the first sub-shell and the central angle of the second sub-shell are both larger than 180 degrees, and the first sub-shell and the second sub-shell are both made of elastic hard materials, so that one of the first sub-shell and the second sub-shell can be tightly sleeved on the overhead cable through the opening of the first sub-shell and the second sub-shell from the side surface without falling off, and the other sub-shell can be connected with the overhead cable in an embedded tight fit manner through a guide rail.

Preferably, the slot and the hollow insert are respectively provided with a barb mechanism which is matched with each other, so that the first sub-shell and the second sub-shell can be prevented from relatively moving along the radial direction.

Preferably, the two ends of the protective sleeve are respectively provided with a connecting structure which can be matched with each other, so that more than two protective sleeves can be connected in series.

Preferably, the outer walls of the two ends of the first sub-shell and the second sub-shell are respectively provided with a pin hole.

The utility model relates to a protective sleeve has the beneficial effects that ① protective sleeve adopts first branch shell and second branch shell to closing and form, convenient loading and unloading, the side that first branch shell and second divide the shell adopts embedded tight fit to connect, make its joint seam very little and the joint face be the folded surface, thereby increase the creepage distance from aerial cable to protective sleeve outer wall, can prevent effectively that the high tension electricity from puncturing protective sleeve through the joint seam of first branch shell and second branch shell side, protective sleeve's pipe wall adopts the structure that has middle frame empty layer, through built on stilts intralamellar air bed, increase protective sleeve's insulating properties, ② two sides of first branch shell and two sides of second branch shell are equipped with corresponding slot or cavity cutting bar respectively, thereby make the embedded junction of first branch shell and second branch shell equally be including inner wall, the three layer construction of middle frame empty layer and outer wall, thereby further increase creepage distance and insulating strength of first branch shell and second branch shell side seam department, ③ sets up the barb mechanism, can prevent first branch shell and second branch shell from droing along radial direction, the protective sleeve reliability that increases.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a misplaced protective sleeve assembly;

fig. 2 is a schematic structural view of the protective sleeve of the present invention in fig. 1;

FIG. 3 is a schematic view of the internal structure of FIG. 1;

FIG. 4 is an enlarged schematic view of portion B of FIG. 3;

FIG. 5 is one of the schematic exploded views of FIG. 1;

FIG. 6 is an enlarged schematic view of portion C of FIG. 5;

fig. 7 is a second exploded view of fig. 1.

The protective sleeve comprises a protective sleeve barrel 1, a first sub-shell 11, a slot 111, a second sub-shell 12, a hollow inserting strip 121, an inner wall 13, a middle overhead layer 14, an outer wall 15, a pin hole 151, an inner cavity 16, a barb 171, a hook groove 172, a connecting cover 2, an arc-shaped cover plate 21, an inserting block 211, a soft rubber layer 212, a connecting piece 22, an inserting plate 221, a wedge-shaped bolt 2211, an inserting groove 222 and a buckling mechanism 223.

Detailed Description

In order to make the purpose, technical scheme and advantage of the utility model more clearly understand, following through an use the utility model discloses dislocation installation protective sleeve sub-assembly of protective sleeve is as the embodiment to combine the figure, it is right to go on further detailed description the utility model discloses. It should be understood that the description of the specific embodiments is intended to be illustrative only and is not intended to be limiting.

As shown in fig. 1, 3, 5 and 7, the protection sleeve assembly with staggered installation comprises a plurality of protection sleeves 1 and connecting covers 2.

As shown in fig. 1, 2 and 6, the protective sleeve 1 includes a first sub-shell 11 and a second sub-shell 12, the first sub-shell 11 and the second sub-shell 12 are arc hollow plates with sector-shaped cross sections, the central angle of the first sub-shell 11 and the central angle of the second sub-shell 12 are both greater than 180 degrees, and the first sub-shell 11 and the second sub-shell 12 are both made of hard plastics, so that the first sub-shell 11 or the second sub-shell 12 can be tightly sleeved on the overhead cable from the side through the opening thereof without dropping off, two sides of the first sub-shell 11 are respectively provided with slots 111 penetrating through the two ends thereof, two sides of the second sub-shell 12 are respectively provided with corresponding hollow inserts 121, the hollow inserts 121 can be inserted from one end of the slots 111 and slide therein, so that two sides of the first sub-shell 11 and two sides of the second sub-shell 12 can be tightly coupled in a guide rail insertion manner, so that the first sub-shell 11 and the second sub-shell 12 can be coupled to form a hollow plate with two ends, The side closed protection sleeve 1, and the joint face of first branch shell 11 and second branch shell 12 is the folded surface, and the whole section of thick bamboo wall of protection sleeve 1 is the three layer construction including inner wall 13, middle built on stilts layer 14 and outer wall 15, and the inner chamber 16 of protection sleeve 1 supplies the overhead cable to pass through. The insertion groove 111 and the hollow insert 121 are further respectively provided with a barb 171 and a hook groove 172 which are mutually matched, so that the first sub-shell 11 and the second sub-shell 12 can be prevented from moving relatively in the radial direction and falling off. During the use, with the cover of protection sleeve 1 outside the bare conductor of overhead cable to can effectively protect a section of overhead cable near construction point or plant branch, prevent to take place the electric shock accident.

As shown in fig. 3-7, the connection cover 2 includes a hard arc-shaped cover plate 21 having a circular arc-shaped cross section and a central angle larger than 180 degrees, and a connection member 22 disposed on an inner side wall of the arc-shaped cover plate 21, two ends of the connection member 22 are respectively provided with an elastic insertion plate 221 extending toward a port of the arc-shaped cover plate 21, two insertion plates 221 are respectively provided with a wedge-shaped bolt 2211 inclined toward the connection member 22, and outer walls 15 of two ends of the first sub-housing 11 and the second sub-housing 12 are respectively provided with a pin hole 151 for fitting the wedge-shaped bolt 2211. More than two lag sleeve 1 establish ties and set up, wherein adjacent two first branch shell 11 meet the department and two adjacent second branch shell 12 meet the department dislocation set, every department of meeting all connects through connecting cover 2, arc cover plate 21 can tightly overlap outside lag sleeve 1 through its opening edgewise, thereby including the gap cladding that will meet the department through arc cover plate 21, and the three branch shell of meeting the department is embraced tightly together, and two first branch shells 11 or two second divide shell 12 can be directly realize the grafting of pinhole 151 of wedge bolt 2211 when drawing close towards corresponding connecting cover 2 slip. The connecting cover 2 is arranged, the number of the protecting sleeves 1 can be selected according to the length of the overhead cable to be protected, and then the protecting sleeves are connected in series through the connecting cover 2, so that the applicability of the utility model is improved; the joint of two adjacent first sub-shells 11 and the joint of two adjacent second sub-shells 12 are arranged in a staggered manner and are matched with the arc-shaped cover plate 21 of the connecting cover 2, so that the arc-shaped cover plate 21 can be conveniently sleeved on the protective sleeve 1, and simultaneously, the gap at the joint of the two first sub-shells 11 or the joint of the two second sub-shells 12 can be completely covered, so that high-voltage electricity can be effectively prevented from puncturing the protective sleeve 1 through the joint of the two adjacent protective sleeves 1, the protective performance is good, and the operation is convenient and rapid; the connecting piece 22 is arranged on the inner side wall of the arc-shaped cover plate 21, and the wedge-shaped plug 2211 is arranged on the elastic plug board on the connecting piece, so that two first sub-shells 11 or two second sub-shells 12 can be directly plugged while sliding towards the corresponding connecting cover 2, the operation is convenient and fast, and the connection is firm.

Fixed connection can be dismantled with arc cover plate 21 inside wall to connecting piece 22, is equipped with inserting groove 222 on the connecting piece 22, and arc cover plate 21 inside wall is equipped with corresponding inserted block 211, and connecting piece 22 and arc cover plate 21 carry out the plug-in type through inserted block 211 and inserting groove 222 and can dismantle the connection, still are equipped with buckle mechanism 223 that can mutually support on inserted block 211 and the inserting groove 222 respectively. The connecting member 22 is detachably connected to the arc-shaped cover plate 21, so that when the connecting cover 2 is detached, the arc-shaped cover plate 21 can be detached first, so as to conveniently extrude the wedge-shaped plug 2211 to deform the plug plate 221, and further to separate the wedge-shaped plug 2211 from the corresponding pin hole 151.

The arc-shaped cover plate 21 is provided with the soft adhesive layer 212 at a position corresponding to the wedge shaped plug 2211, so that the wedge shaped plug 2211 can be pressed through the soft adhesive layer 212 to deform the plug plate 221, and the wedge shaped plug 2211 can be separated from the corresponding pin hole 151. The soft adhesive layer 212 is arranged at the position corresponding to the wedge-shaped bolt 2211 on the arc-shaped cover plate 21, so that when the connecting cover 2 is disassembled, the arc-shaped cover plate 21 does not need to be disassembled, the wedge-shaped bolt 2211 can be directly extruded to deform the plug-in plate 221 through the soft adhesive layer 212, and then the wedge-shaped bolt 2211 is separated from the corresponding pin hole 151, so that the connecting cover is convenient and fast.

The utility model relates to a protective sleeve's beneficial effect is that ① protective sleeve 1 adopts first branch shell 11 and second branch shell 12 to closing to form, convenient loading and unloading, the side of first branch shell 11 and second branch shell 12 adopts embedded tight fit to connect, make its joint seam very little and the joint face be the folded surface, thereby increase the creepage distance from aerial cable to protective sleeve 1 outer wall 15, can prevent effectively that the high tension electricity from puncturing protective sleeve 1 through the joint seam of first branch shell 11 and second branch shell 12 side, protective sleeve 1's pipe wall adopts the structure that has middle frame empty layer 14, through built on stilts intraformational air bed, increase protective sleeve 1's insulating properties, two sides of ② first branch shell 11 and two sides of second branch shell 12 are equipped with corresponding slot 111 or hollow cutting 121 respectively, thereby make the embedded junction of first branch shell 11 and second branch shell 12 be the three layer construction including inner wall 13, middle frame empty layer 14 and outer wall 15 equally, thereby further increase the protective sleeve 11 and the creepage distance and the insulating sleeve 12 of first branch shell 12 side seam, prevent barb from setting up along radial ③ and the reliability of protective sleeve mechanism, prevent that first branch shell 11 and second branch shell 12 from droing.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A protective sleeve is characterized by comprising a first insulating sub-shell and a second insulating sub-shell, wherein the first sub-shell and the second sub-shell are arc hollow plates with sector-shaped cross sections, two side edges of the first sub-shell and two side edges of the second sub-shell are respectively provided with a pulling and inserting structure which can be matched in an embedded mode, so that the first sub-shell and the second sub-shell can be combined to form the protective sleeve with two open ends and a closed side face, a joint face of the first sub-shell and the second sub-shell is a folding face, the wall of the protective sleeve is of a three-layer structure comprising an inner wall, a middle frame hollow layer and an outer wall, and an overhead cable can enter an inner cavity of the protective sleeve from the side face through the opening of the first sub-shell or the opening of the second sub-shell and penetrate through the protective; the drawing and inserting structure is as follows: two sides of the first branch shell are respectively provided with a slot or a hollow inserting strip which runs through two ends of the first branch shell, two sides of the second branch shell are respectively provided with a corresponding hollow inserting strip or a slot, the hollow inserting strip can be inserted from one end of the slot and can slide in the slot, so that two sides of the first branch shell and two sides of the second branch shell can be connected in a guide rail embedded tight fit manner, and the embedded connection position of the first branch shell and the second branch shell is also of a three-layer structure comprising an inner wall, an intermediate frame hollow layer and an outer wall.

2. A protective sleeve according to claim 1, wherein the central angle of the first sub-shell and the central angle of the second sub-shell are both greater than 180 degrees, and the first sub-shell and the second sub-shell are both made of elastic hard materials, so that one of the first sub-shell and the second sub-shell can be tightly sleeved on the overhead cable from the side through the opening thereof without falling off, and the other can be in guide rail embedded tight fit connection therewith.

3. A protective sleeve according to claim 1, wherein said socket and said hollow insert are further provided with cooperating barb means, respectively, to prevent relative radial movement of said first and second sub-shells.

4. A protective sleeve according to claim 1, wherein the protective sleeve is provided with cooperating attachment formations at each end thereof to enable two or more protective sleeves to be connected in series.

5. A protective sleeve according to claim 1, wherein the outer walls of the first and second partial shells are provided with pin holes.