Novel hinge type protection device for long-distance secondary cable and optical cable

Abstract

The invention discloses a novel hinge type protection device for a long-distance secondary cable and an optical cable, and relates to the technical field of power and communication line protection, the novel hinge type protection device comprises a body, the body comprises a shell, the inner side of the shell is provided with a first cavity, the cavity is provided with a sealing member, and the inner side of the sealing member is provided with a cable hole and a clamping port in a penetrating manner. And the cable hole is communicated with the interior of the clamping opening. The hinge type shell is opened, the sleeve and the cable are placed in the cable hole and the clamping opening of the sealing piece respectively, then the shell is closed, the first connecting base and the second connecting base are connected through the bolt, plugging protection of the connecting position of the sleeve and the cable is completed, and finally the protective assembly is operated to conduct covering protection on the connecting position of the bolt. And through the arrangement of the protective cover, after the first connecting base and the second connecting base are connected through the bolt, the protective cover can be slid to cover the connecting position, rainwater is prevented from being directly sprayed on the connecting position, and the corrosion and aging speed of the connecting position is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of power and communication line protection, in particular to a novel hinged protection device for long-distance secondary cables and optical cables. Background Art

[0002] As a transmission medium for power signals, OPGW optical cable is responsible for the transmission of important services such as protection and dispatching data networks between substations. Its safety and reliability directly affect the effective transmission of various power communication signals. The connection point where the guide optical cable enters the optical cable casing at the frame inside the substation is a common fault point. Therefore, the prior art provides a blocking protection device to seal this point, which includes a hinged shell, a rubber lining inside the shell, a hole for the cable to pass through, and a mouth for clamping the end of the casing. During installation, the end of the casing is placed in the mouth, the cable is placed in the hole, the hinged shell is closed, and fixed by bolts to achieve sealing of the connection between the cable and the casing.

[0003] In the prior art, such as the patent application number: CN201720897005.8, "A novel hinged optical cable casing plugging protection device", which consists of a cylindrical shell with an upper end cover and an optical cable liner adhered to the inside thereof, wherein the cylindrical shell with the upper end cover is composed of two symmetrically arranged hollow semi-cylindrical shells bonded together, and the outer sides of the bonding surfaces of the two semi-cylindrical shells are hinged together by matching hinges, and the other outer sides of the bonding surfaces of the two semi-cylindrical shells are provided with matching wire screw sleeve structures; a fixed optical cable liner made of elastic rubber material is provided in the cylindrical shell, and the upper end of the optical cable liner is extended out of the cylindrical shell, and the upper end of the optical cable liner extends out of the hole in the center of the upper end cover of the cylindrical shell.

[0004] The device relies on bolts to keep the hinged shell closed and clamps the cable and casing through the rubber lining, so the connection between the bolts and the shell plays a vital role. Once the bolts are loose, the hinged shell will open and the lining will lose its sealing. However, the device is exposed to the outside all year round. When it is located in a rainy climate, the bolted joints will often be exposed to rain and moisture, which will accelerate the aging and corrosion, causing the bolts to loosen, greatly reducing the sealing of the device and losing the sealing protection effect. In view of the above problems, a new hinged protection device for long-distance secondary cables and optical cables is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a new hinged protection device for long-distance secondary cables and optical cables to solve the problem that the bolted joints of the prior art mentioned in the above background technology are often exposed to rain and moisture during operation, which accelerates the speed of aging and corrosion, causing the bolts to loosen, greatly reducing the sealing performance of the device and losing the sealing protection effect.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a novel hinged protection device for long-distance secondary cables and optical cables, comprising a body, the body comprising a shell, a first cavity is provided on the inner side of the shell, and a sealing member is provided at the cavity, a cable hole and a clamping opening are provided on the inner side of the sealing member, the cable hole and the inside of the clamping opening are connected, and a first connecting seat and a second connecting seat connected by bolts are provided on the outer side of the shell; A protective component is arranged on the outer side of the shell, and the protective component includes a protective cover which slides along the circumference of the shell, and a second cavity for accommodating the first connecting seat, the second connecting seat and the bolt is opened on the inner side of the protective cover. During installation, the hinged shell is opened, the sleeve and the cable are placed on the cable hole and the clamping mouth of the seal respectively, and then the shell is closed, and the first connecting seat and the second connecting seat are connected by bolts to complete the blocking protection of the connection between the sleeve and the cable; finally, the protective component is operated to cover the bolt connection for protection. Through the setting of the protective cover, after the first connecting seat and the second connecting seat are connected by bolts, the sliding protective cover can cover the connection to prevent rainwater from directly falling on the connection, thereby reducing the corrosion and aging rate of the connection.

[0007] Preferably, a plurality of anti-slip strips are evenly distributed on the outer side of the protective cover, and the provision of the anti-slip strips can facilitate sliding of the protective cover.

[0008] Preferably, a baffle is provided at the opening of the protective cover, and a hinge seat is provided on the side of the baffle.

[0009] Preferably, a torsion spring is provided at the rotational cooperation point between the protective cover and the baffle, a rotating shaft is provided on the hinge seat, and the torsion spring is provided on the outside of the rotating shaft. The torsion spring is used to keep the baffle sealed at the opening of the protective cover at all times to prevent the baffle from being opened due to wind or vibration and the protective cover from sliding and exposing the connection; and when installing the bolts, the torsion spring can make the baffle press against the slide groove of the outer shell to prevent the protective cover and the baffle from being easily loosened and affecting the installation of the bolts.

[0010] Preferably, a guide plate is provided on the baffle plate, and a notch is provided on one side of the protective cover. The slider is aligned with the socket and inserted so that the slider and the slide groove can be slidably matched. Finally, the blocking block is embedded in the socket to prevent the slider from easily detaching from the slide groove. A notch is also provided on the side of the protective cover away from the opening, and the notch matches with the slide groove.

[0011] Preferably, a slide groove is provided on the outside of the shell, and a blocking block is provided at one end of the top of the slide groove. The slide groove is a raised structure provided on the outside of the shell, and a groove body is provided at the raised structure to prevent the protective cover and the baffle from loosening easily and affecting the installation of the bolts.

[0012] Preferably, a through hole is provided on the inner side of the first connecting seat, and a threaded hole is provided on the inner side of the second connecting seat. The through hole and the threaded hole can provide an effective connection and limiting function, thereby ensuring stability.

[0013] Preferably, a slider is provided on the inner side of the protective cover, a socket is provided on the top of one end of the slide groove, a socket is provided on the slide groove, and a slider is provided on the side of the protective cover close to the shell. During assembly, it is only necessary to fit the protective cover with the shell, align the slider with the socket and insert it, so that the slider and the slide groove can be slidably matched, and finally a block is embedded in the socket to prevent the slider from easily detaching from the slide groove. A notch is also provided on the side of the protective cover away from the opening, and the notch matches with the slide groove.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the hinged housing is opened, the sleeve and the cable are placed at the cable hole and the clamping port of the seal respectively, and then the housing is closed, and the first connecting seat and the second connecting seat are connected by bolts to complete the blocking protection of the connection between the sleeve and the cable, and finally the protective assembly is operated to cover the bolt connection for protection. Through the setting of the protective cover, after the first connecting seat and the second connecting seat are connected by bolts, the sliding protective cover can cover the connection to prevent rainwater from directly falling on the connection, thereby reducing the corrosion and aging rate of the connection.

[0015] 2. In the present invention, the anti-slip strip can be arranged to facilitate the sliding of the protective cover, and the torsion spring is used to keep the baffle plate sealed at the opening of the protective cover at all times to prevent the baffle plate from being opened due to wind or vibration and the protective cover from sliding and exposing the connection; and when installing the bolts, the torsion spring can make the baffle plate press against the slide groove of the outer shell to prevent the protective cover and the baffle plate from being easily loosened and affecting the installation of the bolts. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the novel hinged protection device for long-distance secondary electric cables and optical cables of the present invention; Figure 2 It is a structural schematic diagram of a novel hinged protection device for long-distance secondary cables and optical cables of the present invention; Figure 3 It is a structural schematic diagram of a novel hinged protection device for long-distance secondary cables and optical cables of the present invention; Figure 4 It is a structural schematic diagram of a novel hinged protection device for long-distance secondary cables and optical cables of the present invention; Figure 5 It is a structural schematic diagram of a novel hinged protection device for long-distance secondary cables and optical cables of the present invention; Figure 6 It is a structural schematic diagram of a novel hinged protection device for long-distance secondary cables and optical cables of the present invention.

[0017] In the figure: 100, main body; 110, housing; 120, seal; 130, protective assembly; 221, cable hole; 231, protective cover; 232, baffle; 233, torsion spring; 234, rotating shaft; 235, hinged seat; 236, anti-slip strip; 311, first connecting seat; 312, second connecting seat; 313, bolt; 336, slide groove; 3320, guide plate; 437, block; 5110, through hole; 5120, threaded hole; 522, clamping mouth; 6310, slider; 6311, notch; 6360, socket. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Example 1: Figure 1-Figure 6 As shown, the present invention provides a technical solution: a new hinged protection device for long-distance secondary cables and optical cables, comprising a body 100, characterized in that: the body 100 comprises a shell 110, a first cavity is provided on the inner side of the shell 110, and a sealing member 120 is provided at the cavity, a cable hole 221 and a clamping opening 522 are provided through the inner side of the sealing member 120, the cable hole 221 and the clamping opening 522 are connected to each other, and a first connecting seat 311 and a second connecting seat 312 connected by bolts 313 are provided on the outer side of the shell 110; A protection assembly 130 is disposed on the outer side of the housing 110 . The protection assembly 130 includes a protection cover 231 that slides circumferentially along the housing 110 . A second cavity for accommodating the first connection seat 311 , the second connection seat 312 and the bolt 313 is opened on the inner side of the protection cover 231 .

[0020] In this embodiment, during installation, the hinged housing 110 is opened, the sleeve and the cable are placed at the cable hole 221 and the clamping port 522 of the seal 120 respectively, and then the housing is closed, and the first connecting seat 311 and the second connecting seat 312 are connected by bolts 313 to complete the blocking protection of the connection between the sleeve and the cable; finally, the protective component 130 is operated to cover the connection of the bolt 313 for protection. Through the setting of the protective cover 231, after the bolt 313 connects the first connecting seat 311 and the second connecting seat 312, the sliding protective cover 231 can cover the connection to prevent rainwater from directly falling on the connection, thereby reducing the corrosion and aging rate of the connection.

[0021] Example 2: Figure 1-Figure 2As shown, a plurality of anti-slip strips 236 are evenly distributed on the outer side of the protective cover 231, a baffle 232 is arranged at the opening of the protective cover 231, a hinge seat 235 is arranged on the side of the baffle 232, a torsion spring 233 is arranged at the rotational cooperation between the protective cover 231 and the baffle 232, a rotating shaft 234 is arranged on the hinge seat 235, and the torsion spring 233 is arranged on the outer side of the rotating shaft 234.

[0022] In this embodiment, the anti-slip strip 236 can be set to facilitate the sliding of the protective cover 236, and the torsion spring 233 is used to keep the baffle 232 sealed at the opening of the protective cover 231 at all times to prevent the baffle 232 from being opened by wind or vibration and the protective cover 231 from sliding and exposing the connection; and when installing the bolt 313, the torsion spring 233 can make the baffle 232 press against the slide groove 336 of the outer shell 110. The slide groove 336 is a protruding structure arranged on the outside of the outer shell 110, and a groove body is arranged at the protruding structure to prevent the protective cover 231 and the baffle 232 from being easily loosened and affecting the installation of the bolt 313.

[0023] Example 3: Figure 3-Figure 6 As shown, a guide plate 3320 is provided on the baffle 232, a notch 6311 is provided on one side of the protective cover 231, a slide groove 336 is provided on the outer side of the shell 110, a blocking block 437 is provided at the top end of the slide groove 336, a through hole 5110 is provided on the inner side of the first connecting seat 311, a threaded hole 5120 is provided on the inner side of the second connecting seat 312, a slider 6310 is provided on the inner side of the protective cover 231, and a socket 6360 is provided at the top of one end of the slide groove 336.

[0024] In this embodiment, during operation, it is only necessary to slide the protective cover 231. The guide plate 3320 will first contact the bolt 313. Continuing to slide the protective cover 231 will cause the inclined surface of the guide plate 3320 to slide with the bolt 313, so that the guide plate 3320 and the baffle 232 will automatically flip over, and the torsion spring 233 will be automatically twisted. When the protective cover 231 continues to slide and the guide plate 3320 and the baffle 232 pass over the connection of the bolt 313, the torsion spring 233 will recover and flip the baffle 232 to seal the opening of the housing 110. The bolt 313 and the connection are not exposed, and it is difficult for air and rainwater to enter and contact and corrode them. When the protective cover 231 slides, The baffle 232 is automatically flipped over; when there is no guide plate 3320, after the bolt 313 is installed, the protective cover 231 will make the baffle 232 and the bolt 313 press tightly when sliding. At this time, the baffle 232 cannot slide and must be manually flipped over the connection. When the protective cover 231 completely covers the connection, the baffle 232 is loosened to complete the sealing of the opening of the protective cover 231; when the guide plate 3320 is set, the inclined surface of the guide plate 3320 can contact the bolt 313, and the guide plate 3320 is flipped and then drives the baffle 232 to flip, so that the protective cover 231 can automatically make the baffle 232 seal the opening after the sliding cover is set, without manual operation.

[0025] In the present invention, when the new hinged protection device for long-distance secondary cables and optical cables is used, first, during installation, the hinged housing 110 is opened, the sleeve and the cable are placed at the cable hole 221 and the clamping opening 522 of the seal 120 respectively, and then the housing is closed, and the first connecting seat 311 and the second connecting seat 312 are connected by bolts 313 to complete the blocking protection of the connection between the sleeve and the cable. At this time, the device is Figure 6 The protective assembly 130 is finally operated to cover and protect the connection of the bolt 313; during operation, only the protective cover 231 needs to be slid, and the guide plate 3320 will first contact the bolt 313, and the protective cover 231 will continue to slide so that the inclined surface of the guide plate 3320 will slide against the bolt 313, so that the guide plate 3320 and the baffle 232 will automatically flip over, and the torsion spring 233 will be automatically twisted at the same time, and the protective cover 231 will continue to slide. When the guide plate 3320 and the baffle 232 pass over the connection of the bolt 313, the torsion spring 233 will recover and flip the baffle 232 to block the opening of the housing 110, and the device is now Figure 5In the state shown, the bolts 313 and the connection are not exposed, and it is difficult for air and rainwater to enter and contact them and corrode them. When assembling the protective cover 231, a socket 6360 is provided at the slide groove 336, and a slider 6310 is provided on the side of the protective cover 231 close to the shell 110. When assembling, it is only necessary to fit the protective cover 231 with the shell 110, align the slider 6310 with the socket 6360 and insert it, so that the slider 6310 can be slidably matched with the slide groove 336, and finally the block 437 is embedded in the socket 6360 to prevent the slider 6310 from easily detaching from the slide groove 336. A notch 6311 is also provided on the side of the protective cover 231 away from the opening, and the notch 6311 cooperates with the slide groove 336.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel hinged protection device for long-distance secondary cables and optical cables, comprising a main body (100), characterized in that: The body (100) comprises a shell (110), a first cavity is provided on the inner side of the shell (110), and a sealing member (120) is provided at the cavity, a cable hole (221) and a clamping opening (522) are provided on the inner side of the sealing member (120), the cable hole (221) and the clamping opening (522) are connected to each other, and a first connecting seat (311) and a second connecting seat (312) connected by bolts (313) are provided on the outer side of the shell (110); A protection assembly (130) is arranged on the outside of the housing (110), and the protection assembly (130) comprises a protection cover (231) that slides circumferentially along the housing (110), and a second cavity for accommodating a first connection seat (311), a second connection seat (312), and a bolt (313) is provided on the inside of the protection cover (231).

2. The novel hinged protection device for long-distance secondary cables and optical cables according to claim 1 is characterized in that: A plurality of anti-slip strips (236) are evenly distributed on the outer side of the protective cover (231).

3. The novel hinged protection device for long-distance secondary cables and optical cables according to claim 1 is characterized in that: A baffle (232) is provided at the opening of the protective cover (231), and a hinge seat (235) is provided on the side of the baffle (232).

4. The novel hinged protection device for long-distance secondary cables and optical cables according to claim 3 is characterized in that: A torsion spring (233) is provided at the rotational matching position of the protective cover (231) and the baffle (232), a rotating shaft (234) is provided on the hinge seat (235), and the torsion spring (233) is arranged on the outside of the rotating shaft (234).

5. The novel hinged protection device for long-distance secondary cables and optical cables according to claim 3 is characterized in that: A guide plate (3320) is provided on the baffle (232), and a notch (6311) is provided on one side of the protective cover (231).

6. The novel hinged protection device for long-distance secondary cables and optical cables according to claim 1 is characterized in that: A slide groove (336) is provided on the outer side of the housing (110), and a blocking block (437) is provided at one end of the top of the slide groove (336).

7. The novel hinged protection device for long-distance secondary cables and optical cables according to claim 1 is characterized in that: A through hole (5110) is provided on the inner side of the first connection seat (311), and a threaded hole (5120) is provided on the inner side of the second connection seat (312).

8. The novel hinged protection device for long-distance secondary cables and optical cables according to claim 6 is characterized in that: A sliding block (6310) is provided on the inner side of the protective cover (231), and a socket (6360) is provided on the top of one end of the sliding groove (336).

Images