CN115201981A - A connection protection device for power communication optical cable - Google Patents

Abstract

The invention provides a connection protection device for a power communication optical cable, belonging to the technical field of power communication, comprising a first protective plate, a second protective plate and two blocking connectors. The main body of the protection comprises a first shield plate and a second shield plate which are opened opposite to each other, the first shield plate and the second shield plate are respectively provided with accommodating grooves opposite to each other, and the two accommodating grooves together form a accommodating chamber for accommodating the optical cable; Two blocking connectors are respectively arranged at both ends of the protective body. The blocking connectors include a fixing plate and a limit ring arranged on the inner side wall of the fixing plate. The fixing plate is connected to the same end of the first and second shields. , one end of the limiting ring inserted into the accommodating chamber is used to block the gap between the accommodating groove and the optical cable. The splicing protection device of the power communication optical cable provided by the present invention not only isolates the splicing part of the optical cable from the external environment, but also can improve the stability of the splicing part of the optical cable, and avoid the rupture of the splicing part of the optical cable due to the influence of external force. situation arises.

Description

A connection protection device for power communication optical cable

technical field

The invention belongs to the technical field of electric power communication, and more particularly, relates to a connection protection device for an optical cable of electric power communication.

Background technique

Optical fiber cable is manufactured to meet optical, mechanical or environmental performance specifications, it is a communication using one or more optical fibers placed in a sheath as the transmission medium and can be used individually or in groups fiber optic cable assemblies. Optical cables are mainly composed of optical fibers (glass filaments as thin as hair), plastic protective sleeves and plastic sheaths.

The optical cable connection connects the end of one optical cable with the beginning of the next optical cable to form the entire operation process of the continuous optical cable line.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a splice protection device for a power communication optical cable, which aims to solve the problem that the splice of the optical cable after the splice is relatively weak and is easily affected by external forces and causes breakage.

In order to achieve the above purpose, the technical solution adopted in the present invention is to provide a connection protection device for a power communication optical cable, including:

A protective body, the protective body includes a first guard plate and a second guard plate that are opened opposite to each other, and the first guard plate and the second guard plate are respectively provided with accommodating grooves opposite to each other, and the two accommodating grooves are jointly formed for the purpose of In the accommodating chamber for accommodating the optical cable;

Two blocking connectors are respectively arranged at both ends of the protective body, the blocking connectors include a fixing plate and a limit ring arranged on the inner side wall of the fixing plate, and the fixing plate is connected to the opposite At the same end of the first protective plate and the second protective plate, one end of the limiting ring inserted into the accommodating chamber is used to block the gap between the accommodating groove and the optical cable.

In a possible implementation manner, an insulating pad for abutting the optical cable is provided in the middle of the accommodating groove, and sealing grooves are respectively provided at both ends of the accommodating groove, and sealing grooves are provided in the sealing grooves. Rubber pads, the limiting ring is press-fitted in the assembling hole formed by the two sealing rubber pads at the same end.

In a possible implementation manner, the outer diameter of the limit ring gradually decreases from the end close to the fixing plate to the end far away from the fixing plate, and the outer diameter of the end of the limit ring close to the fixing plate is greater than the same The inner diameter of the assembling hole formed by the two sealing gaskets at the ends.

In a possible implementation manner, a middle part of the fixing plate is provided with a fixing hole for the optical cable to pass through, a plurality of threaded through holes coaxially arranged with the fixing hole are formed on the fixing plate, and the first protective The same end of the plate and the second protective plate is provided with a plurality of threaded holes, and the plurality of threaded holes are in one-to-one correspondence with the plurality of threaded through holes and are connected by bolts.

In a possible implementation manner, limiting protrusions are provided on the end surface of the first guard plate close to the second guard plate, and the limiting protrusions are located on both sides of the receiving groove of the first guard plate , the end face of the second guard plate close to the first guard plate is provided with a limit groove, the limit groove is located on both sides of the accommodating groove of the second guard plate, and the limit protrusion and The limiting grooves are inserted and matched to limit the lateral displacement of the first guard plate and the second guard plate.

In a possible implementation manner, the limiting protrusions include two U-shaped protrusions symmetrically arranged on both sides of the receiving groove of the first guard plate, and the openings of the U-shaped protrusions face the one side of the accommodating groove; the limiting groove includes two U-shaped grooves symmetrically arranged on both sides of the accommodating groove of the second guard plate, and the opening of the U-shaped groove faces the accommodating groove side of the slot.

In a possible implementation manner, the left and right sides of the first guard plate and the second guard plate are respectively provided with positioning mechanisms opposite to each other, and the two opposite positioning mechanisms are used to connect one side of the optical cable at the positioning connection. optic cable.

In a possible implementation manner, the positioning mechanism includes a distance adjustment member connected to the outer side wall of the first guard plate or the second guard plate, and the distance adjustment member is far away from the first guard plate or One end of the second protective plate is connected with a positioning arc plate, and the positioning arc plates of the two opposite positioning mechanisms are arranged opposite to each other and are connected by bolts for clamping the optical cable on one side of the continuous connection.

In a possible implementation manner, the distance adjusting member includes a connecting pipe vertically connected to the outer side wall of the first guard plate or the second guard plate, and the connecting pipe is penetrated with a connecting pipe that slides along its axial direction. The matching connecting rod, the positioning arc plate is connected to the end of the connecting rod.

In a possible implementation manner, the end of the connecting pipe is provided with a retaining ring, the end of the connecting rod away from the positioning arc plate is provided with a blocking piece, and the blocking piece is slidably arranged in the connecting pipe, And the outer diameter of the baffle is larger than the inner diameter of the baffle.

The beneficial effect of the splice protection device for the power communication optical cable provided by the present invention is that compared with the prior art, the protection main body includes a first guard plate and a second guard plate that are opened oppositely, and the two are relatively close to each other. The accommodating grooves opened on opposite sides of the protective plate and the second protective plate form an accommodating chamber, so that the cables can be connected and handled in the accommodating chamber. Afterwards, use two blocking connectors to be installed on both ends of the protective body, use a fixing plate to connect the first protective plate and the second protective plate, and block the two ends of the accommodating chamber with the help of limit rings, so as to block the accommodating recess. The gap between the groove and the optical cable not only isolates the optical cable splice from the external environment, but also improves the stability of the optical cable splice and avoids the occurrence of breakage at the optical cable splice due to external forces.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present invention. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

FIG. 1 is a three-dimensional disassembled view of a connection protection device for a power communication optical cable according to an embodiment of the present invention;

FIG. 2 is a perspective disassembled view of a positioning mechanism of a connection protection device for a power communication optical cable according to an embodiment of the present invention;

3 is a perspective view of a plugging connector of a connection protection device for a power communication optical cable according to an embodiment of the present invention;

FIG. 4 is an assembly diagram of a connection protection device for a power communication optical cable according to an embodiment of the present invention.

Description of reference numbers:

1. First guard plate; 2. Second guard plate; 3. Blocking connector; 4. Accommodating groove; 5. Insulating pad; 6. Sealing slot; 7. Sealing rubber pad; 8. Positioning mechanism; 9 , connecting pipe; 10, connecting rod; 11, positioning arc plate; 12, through hole; 13, fixing plate; 14, limit ring; 15, fixing hole; 16, threaded through hole; 17, limit protrusion; 18 , Limit groove; 19, threaded hole.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated A device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" and "several" mean two or more, unless otherwise expressly and specifically defined.

Referring to FIGS. 1 to 4 , a connection protection device for a power communication optical cable provided by the present invention will now be described. A connection protection device for power communication optical cables, comprising a first protective plate 1 , a second protective plate 2 and two blocking connectors 3 .

The main body of the protection includes a first shield 1 and a second shield 2 that are opened opposite to each other. The first shield 1 and the second shield 2 are respectively provided with accommodating grooves 4 opposite to each other, and the two accommodating grooves 4 are formed together to accommodate the optical cable. The two blocking connectors 3 are respectively arranged at both ends of the protective body, and the blocking connectors 3 include a fixing plate 13 and a limit ring 14 arranged on the inner side wall of the fixing plate 13. The fixing plate 13 is connected to the opposite At the same end of the first protective plate 1 and the second protective plate 2 , the limit ring 14 is inserted into one end of the accommodating chamber to block the gap between the accommodating groove 4 and the optical cable.

The present invention provides a connection protection device for a power communication optical cable. Compared with the prior art, the protection body includes a first guard plate 1 and a second guard plate 2 that are relatively open. The accommodating grooves 4 opened on the opposite sides of the 1 and the second protective plate 2 form an accommodating chamber, so that the cables can be connected and handled in the accommodating chamber. After that, two blocking connectors 3 are used to install on both ends of the protective body, the first protective plate 1 and the second protective plate 2 are connected by the fixing plate 13, and the two ends of the accommodating chamber are blocked by the limit ring 14, To block the gap between the accommodating groove 4 and the optical cable, it not only isolates the optical cable splicing part from the external environment, but also improves the stability of the optical cable splicing part, avoiding the breakage of the optical cable splicing part due to the influence of external force. situation arises.

In some embodiments, please refer to FIG. 1 , an insulating pad 5 for abutting the optical cable is provided in the middle of the accommodating groove 4 , and sealing grooves 6 are respectively provided at both ends of the accommodating groove 4 , and the sealing grooves 6 are provided with The sealing gasket 7 and the limiting ring 14 are press-fitted into the assembly hole formed by the two sealing gaskets 7 at the same end.

In this embodiment, the insulating pad 5 is a semi-circular ring structure, the outer wall is attached to the inner wall of the accommodating groove 4, the continuation of the optical cable is clamped between the two insulating pads 5, and the insulating pad 5 abuts against the inner wall of the optical cable The splicing point can ensure the stability and insulation of the optical cable splicing point.

The sealing grooves 6 are respectively located at both ends of the receiving groove 4 . The sealing grooves 6 are semi-circular grooves, and the sealing gasket 7 is also a semi-circular ring structure. Driven by the fixing plate 13, the limiting ring 14 is press-fitted into the assembling hole formed by the two sealing rubber pads 7, so as to compress the optical cable passing through the assembling hole, and avoid shaking of the connecting part of the optical cable inside.

In some embodiments, please refer to FIG. 3 , the outer diameter of the limit ring 14 gradually decreases from the end close to the fixing plate 13 to the end away from the fixing plate 13 , and the outer diameter of the end of the limit ring 14 close to the fixing plate 13 is larger than that of the same end. The inner diameter of the assembly hole formed by the two gaskets 7 .

In this embodiment, the outer peripheral side wall of the limit ring 14 forms a tapered structure, and the outer diameter of the small end of the limit ring 14 is smaller than the inner diameter of the assembly hole, which can facilitate the insertion of the limit ring 14 into the assembly hole; The outer diameter of the big end is larger than the inner diameter of the assembling hole, wherein the limiting ring 14 is made of elastic material, such as rubber material. After the limit ring 14 made of elastic material is press-fitted into the assembly hole, it is pressed into the assembly hole through its own elastic deformation, which can improve the sealing effect between the limit ring 14 and the assembly hole.

In some embodiments, please refer to FIG. 1 , FIG. 3 and FIG. 4 , the middle of the fixing plate 13 is provided with a fixing hole 15 for the optical cable to pass through, and the fixing plate 13 is provided with a plurality of threaded through holes coaxially arranged with the fixing hole 15 1612, the same end of the first guard plate 1 and the second guard plate 2 are provided with a plurality of threaded holes 19, and the plurality of threaded holes 19 are in one-to-one correspondence with the plurality of threaded through holes 1612 and are connected by means of bolts.

In this embodiment, the fixing plate 13 is a rectangular plate, and the four threaded through holes 1612 are respectively arranged at four corners of the rectangular plate, and are evenly distributed in the circumferential direction of the fixing hole 15 . Two threaded holes 19 are correspondingly opened on the same side of the first protective plate 1 and the second protective plate 2, there are four threaded holes 19 in total, and the four threaded holes 19 correspond to the four threaded through holes 1612 in one-to-one correspondence. , use bolts to connect the threaded through hole 1612 and the threaded hole 19 from the outside to the inside, so as to connect the first protective plate 1 , the second protective plate 2 and the fixing plate 13 together.

Similarly, another fixing plate 13 is used to connect the other ends of the first shield 1 and the second shield 2, so as to stably connect the first shield 1 and the second shield 2 together to ensure the internal The cable splice remains closed and stable.

In some embodiments, please refer to FIG. 1 , the end surface of the first guard plate 1 close to the second guard plate 2 is provided with limiting protrusions 17 , and the limiting protrusions 17 are located on both sides of the accommodating groove 4 of the first guard plate 1 . , the end face of the second guard plate 2 close to the first guard plate 1 is provided with a limit groove 18, the limit groove 18 is located on both sides of the receiving groove 4 of the second guard plate 2, the limit protrusion 17 and the limit concave The grooves 18 are plug-fitted and used to limit the lateral displacement of the first shield 1 and the second shield 2 .

In this embodiment, the first shield 1 is inserted into the limiting groove 18 of the second shield 2 through the limiting protrusion 17 to avoid lateral displacement of the first shield 1 and the second shield 2 . Wherein, the limiting protrusions 17 include two-part structures, which are respectively arranged on both sides of the corresponding receiving grooves 4, and the limiting protrusions 17 and the limiting grooves 18 are inserted and matched at the same time, which can further improve the limiting effect. .

The positions of the limiting protrusions 17 and the limiting grooves 18 can be replaced with each other, that is, the limiting protrusions 17 are located on the second guard plate 2 , and the limiting grooves 18 are located on the first guard plate 1 . In addition, the limiting protrusions 17 and the limiting grooves 18 may also be respectively provided on the same guard plate, and the limiting grooves 18 and the limiting protrusions 17 are correspondingly provided on the other guard plate.

In some embodiments, please refer to FIG. 1 , the limiting protrusion 17 includes two U-shaped protrusions symmetrically arranged on both sides of the accommodating groove 4 of the first protective plate 1 , and the opening of the U-shaped protrusion faces the accommodating groove. 4 side; the limiting groove 18 includes two U-shaped grooves symmetrically arranged on both sides of the receiving groove 4 of the second guard plate 2 , and the opening of the U-shaped groove faces one side of the receiving groove 4 .

In this embodiment, two U-shaped protrusions are symmetrically arranged on both sides of the accommodating groove 4 of the first protective plate 1, and the two are symmetrical to each other. The U-shaped protrusion includes a first protrusion parallel to the length direction of the receiving groove 4 and a second protrusion vertically connected to both ends of the first groove. Similarly, the U-shaped groove includes a first groove parallel to the length direction of the receiving groove 4 and a second groove vertically connected to both ends of the first groove. The first protrusion and the first groove are inserted and matched, and the second protrusion and the second groove are inserted and matched. The displacement deviation of the first fender 1 and the second fender 2 occurs in any horizontal direction.

In some embodiments, please refer to FIG. 1 and FIG. 4 , the left and right sides of the first protective plate 1 and the second protective plate 2 are respectively provided with positioning mechanisms 8 opposite to each other, and the two opposite positioning mechanisms 8 are used to connect the positioning joints The fiber optic cable on one side of the fiber optic cable.

In this embodiment, two positioning mechanisms 8 correspondingly disposed on the same side of the first shield 1 and the second shield 2 cooperate to locate and connect the optical cable located on the side of the optical cable at the connection. At the same time, the two positioning mechanisms 8 correspondingly disposed on the other side of the first protective plate 1 and the second protective plate 2 cooperate to locate and connect the optical cable located on the side of the optical cable at the connection. Therefore, the protection device is stably installed between the two optical cables to protect the optical cable splices located between the two optical cables.

In some embodiments, please refer to FIG. 1 to FIG. 2 , the positioning mechanism 8 includes a distance adjusting member connected to the outer side wall of the first protective plate 1 or the second protective plate 2 , and the distance adjusting member is far away from the first protective plate 1 or the second protective plate 2 . One end of the second guard plate 2 is connected with a positioning arc plate 11, and the positioning arc plates 11 of the two opposite positioning mechanisms 8 are arranged opposite to each other and are connected by bolts for clamping the optical cable on one side of the continuous connection.

In this embodiment, the outer side wall of the first protective plate 1 is connected with a distance adjusting member, and one end of the distance adjusting member away from the first protective plate 1 is connected with a positioning arc plate 11 . Similarly, the outer side wall of the second guard plate 2 is connected with a distance adjusting member, and one end of the distance adjusting member away from the second guard plate 2 is connected with a positioning arc plate 11 . The two positioning arc plates 11 are arranged opposite to each other, and the two corresponding positioning arc plates 11 are longitudinally connected by bolts so as to clamp the adjacent optical cables.

The distance adjustment member can adjust the distance between the positioning arc plate 11 and the first guard plate 1 or the second guard plate 2, so as to match the adjacent optical cables at different positions and satisfy the connection and positioning of adjacent optical cables at different distances.

In some embodiments, please refer to FIG. 2 , the distance adjusting member includes a connecting pipe 9 vertically connected to the outer side wall of the first guard plate 1 or the second guard plate 2 , and the connecting pipe 9 is provided with a sliding fit along its axial direction. The connecting rod 10, the positioning arc plate 11 is connected to the end of the connecting rod 10.

In this embodiment, the connecting pipe 9 is vertically welded on the outer side wall of the first protective plate 1 or the second protective plate 2 , the connecting rod 10 is inserted through the connecting pipe 9 , and the connecting rod 10 can slide along the length direction of the connecting pipe 9 . , so as to drive the positioning arc plate 11 connected to the end of the connecting rod 10 to be close to or away from the main body of the shield, so as to satisfy the connection and positioning of adjacent optical cables with different distances.

In some embodiments, please refer to FIG. 2 , the end of the connecting pipe 9 is provided with a retaining ring, the end of the connecting rod 10 away from the positioning arc plate 11 is provided with a blocking piece, the blocking piece is slidably arranged in the connecting pipe 9 , and the blocking piece The outer diameter is larger than the inner diameter of the retaining ring.

In this embodiment, the baffle is a circular body, which is integrally formed at one end of the connecting rod 10 that penetrates into the connecting pipe 9 , the outer diameter of the baffle matches the inner diameter of the connecting pipe 9 , and the baffle is attached to the connecting pipe 9 On the inner wall of the connecting pipe 9, it can slide along the axial direction of the connecting pipe 9 without shaking.

In addition, because the outer diameter of the baffle is smaller than the inner diameter of the baffle ring, it can ensure that the connecting rod 10 will not come out of the connecting pipe 9, and the maximum stroke is the state where the baffle is against the inside of the baffle ring, at this time, the positioning arc plate 11 reaches the farthest distance.

In order to take into account the adjustment and positioning of the positioning arc plate 11 , a rubber ring is laid on the outer periphery of the blocking piece, which can increase the frictional force between the blocking piece and the inner wall of the connecting pipe 9 sliding. It is necessary to manually apply external force to make it slide along the axial direction of the connecting pipe 9. When the positioning arc plate 11 is positioned and connected to the adjacent optical cables, it can ensure the stability of the adjacent optical cables and the device without the action of external force.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (10)

1. A connection protection device for a power communication optical cable, characterized in that, comprising: A protective main body, the protective main body comprises a first protective plate (1) and a second protective plate (2) that are relatively open, and the first protective plate (1) and the second protective plate (2) are respectively relatively open with an accommodating groove (4), and the two accommodating grooves (4) together form an accommodating chamber for accommodating the optical cable; Two blocking connectors (3) are respectively arranged at both ends of the protection body, the blocking connectors (3) include a fixing plate (13) and a limiter provided on the inner side wall of the fixing plate (13) a ring (14), the fixing plate (13) is connected at the same end of the opposite first guard plate (1) and the second guard plate (2), and the limiting ring (14) is inserted into the One end of the accommodating chamber is used to block the gap between the accommodating groove (4) and the optical cable. 2 . The connection protection device for a power communication optical cable according to claim 1 , wherein an insulating pad ( 5 ) for abutting the optical cable is provided in the middle of the accommodating groove ( 4 ), and the accommodating groove ( 4 ) Two ends of the groove (4) are respectively provided with a sealing groove (6), a sealing gasket (7) is arranged in the sealing groove (6), and the limiting ring (14) is press-fitted on two of the same end. inside the assembling hole formed by the sealing rubber pad (7). 3. The connection protection device for a power communication optical cable according to claim 2, wherein the outer diameter of the limiting ring (14) is from one end close to the fixing plate (13) to the end away from the fixing plate (13). One end of 13) is gradually reduced, and the outer diameter of one end of the limiting ring (14) close to the fixing plate (13) is larger than the inner diameter of the assembly hole formed by the two sealing gaskets (7) at the same end. 4. The splice protection device for a power communication optical cable according to claim 1, characterized in that, the middle part of the fixing plate (13) is provided with a fixing hole (15) for the optical cable to pass through, and the fixing plate (13) There are a plurality of threaded through holes (16) (12) coaxially arranged with the fixing hole (15), and the first guard plate (1) and the second guard plate (2) are provided at the same end There are a plurality of threaded holes (19), and the plurality of threaded holes (19) are in one-to-one correspondence with the plurality of threaded through holes (16) (12) and are connected by bolts. 5. A connection protection device for a power communication optical cable according to claim 1, characterized in that, the end face of the first protective plate (1) close to the second protective plate (2) is provided with a limit protrusion ( 17), the limiting protrusions (17) are located on both sides of the accommodating groove (4) of the first shield (1), and the second shield (2) is close to the first shield ( The end face of 1) is provided with limit grooves (18), the limit grooves (18) are located on both sides of the receiving groove (4) of the second guard plate (2), and the limit protrusions ( 17) is inserted and matched with the limiting groove (18) to limit the lateral displacement of the first guard plate (1) and the second guard plate (2). 6. The connection protection device for a power communication optical cable according to claim 5, wherein the limiting protrusion (17) comprises two accommodating recesses symmetrically arranged on the first protective plate (1) U-shaped protrusions on both sides of the groove (4), the openings of the U-shaped protrusions face one side of the accommodating groove (4); the limiting groove (18) includes two symmetrically arranged in the The U-shaped grooves on both sides of the accommodating groove (4) of the second guard plate (2), the openings of the U-shaped grooves face one side of the accommodating groove (4). 7. The connection protection device for a power communication optical cable according to claim 1, characterized in that, the left and right sides of the first protective plate (1) and the second protective plate (2) are respectively oppositely provided with A positioning mechanism (8), the two opposite positioning mechanisms (8) are used for connecting the optical cable on one side of the optical cable at the positioning connection. 8. The connection protection device for a power communication optical cable according to claim 7, wherein the positioning mechanism (8) comprises a connection connected to the first guard plate (1) or the second guard plate ( 2) The distance adjustment member of the outer side wall, the one end of the distance adjustment member away from the first guard plate (1) or the second guard plate (2) is connected with a positioning arc plate (11), and the opposite two The positioning arc plates (11) of the positioning mechanism (8) are arranged opposite to each other and are connected by bolts for clamping the optical cable on one side of the continuous connection. 9. A connection protection device for a power communication optical cable according to claim 8, characterized in that, the distance adjusting member comprises a vertical connection on the first protective plate (1) or the second protective plate (2). ) of the outer side wall of the connecting pipe (9), the connecting pipe (9) is provided with a connecting rod (10) which is slidably fitted along its axial direction, and the positioning arc plate (11) is connected to the connecting rod ( 10) at the end. 10. The splice protection device for a power communication optical cable according to claim 9, characterized in that, the end of the connecting pipe (9) is provided with a retaining ring, and the connecting rod (10) is away from the positioning arc One end of the plate (11) is provided with a blocking piece, the blocking piece is slidably arranged in the connecting pipe (9), and the outer diameter of the blocking piece is larger than the inner diameter of the blocking ring.

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