CN111736285A - Pre-twisted hardware fitting for aerial optical cable - Google Patents
Pre-twisted hardware fitting for aerial optical cable Download PDFInfo
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- CN111736285A CN111736285A CN202010572398.1A CN202010572398A CN111736285A CN 111736285 A CN111736285 A CN 111736285A CN 202010572398 A CN202010572398 A CN 202010572398A CN 111736285 A CN111736285 A CN 111736285A
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- supporting
- assembly
- optical cable
- movable
- support piece
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/48—Overhead installation
- G02B6/483—Installation of aerial type
- G02B6/486—Installation of aerial type by helical wrapping
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses a pre-twisted fitting for an overhead optical cable, which relates to the field of electric power fittings and comprises an installation support, a movable assembly, a support piece, a left fixing assembly, a right fixing assembly and an optical cable assembly, wherein the support piece is fixedly arranged in the middle of the installation support, the movable assembly is provided with two groups and movably arranged on the installation support at two sides of the support piece, the left fixing assembly and the right fixing assembly are respectively connected with the movable assemblies at two sides, the optical cable assembly penetrates through the left fixing assembly, the support piece and the right fixing assembly to be fixedly connected, and the support piece is respectively and fixedly connected with the left fixing assembly and the right fixing assembly through rigid springs. The invention improves the holding power to the optical cable and ensures the reliability of the optical cable connection through the spiral line structure of the inner and outer double-layer stranded wires; meanwhile, the wind resistance and the pulling resistance of the cable after connection are improved while the connection rigidity strength is ensured, the optical cable is prevented from being broken due to over-strong stress, and the service life of the optical cable is prolonged.
Description
Technical Field
The invention relates to the field of electric power fittings, in particular to a pre-twisted fitting for an overhead optical cable.
Background
An electric power fitting is a metal accessory which is used for connecting and combining various devices in an electric power system and plays a role in transmitting mechanical load, electrical load and certain protection. The widely used metal accessories of iron or aluminum for the power transmission line are collectively called as hardware fittings. The hardware has a variety of types and uses, for example, various wire clamps for installing wires, various suspension loops for forming insulator strings, various crimping tubes and repairing tubes for connecting wires, various spacers on split wires, and the like, and various stay wire hardware for towers and the size of the protection wires are related and need to be matched with each other.
In an overhead line, a plurality of groups of power cables are often required to be connected and installed in an overhead manner, although a pre-twisted hardware fitting for an overhead optical cable (application number: CN3204912.9 publication number CN2625921) disclosed in Chinese patent discloses a simple, convenient and high-strength power fitting, the pre-twisted hardware fitting has poor tensile resistance, cannot buffer and absorb tensile force and energy, has the conditions that a twisted wire is deformed by pulling, the grip force is lost, and the cable is finally damaged, so that the pre-twisted hardware fitting for the overhead optical cable is designed to solve the problems.
Disclosure of Invention
The invention aims to solve the defects that the tensile resistance is poor, the tensile force cannot be buffered and unloaded and absorbed, the twisted wire is pulled to deform, the grip strength is lost and the cable is finally damaged in the prior art, and provides a pre-twisted hardware fitting for an aerial optical cable.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an overhead optical cable is with preformed helical gold utensil, includes installing support, movable assembly, support piece, the fixed subassembly in a left side, the fixed subassembly in the right side and optical cable subassembly, support piece is fixed to be set up at the middle part of installing support, movable assembly is provided with two sets ofly and movable mounting on the installing support of support piece both sides, the fixed subassembly in a left side and the fixed subassembly in the right side are connected with the movable assembly of both sides respectively, optical cable subassembly passes the fixed subassembly in a left side, support piece, the fixed subassembly fixed connection in the right side, pass through rigid spring fixed connection between support piece and the fixed subassembly in a left side, the fixed subassembly in the.
Preferably, the installing support includes the mounting panel and supports the boss, support boss integrated into one piece and set up the middle part at the mounting panel, the mounting panel of the both sides of support boss has seted up the sliding tray along its length direction, and is two sets of movable part slidable mounting is on the sliding tray and through link and left fixed subassembly, right fixed subassembly swing joint.
Preferably, the activity subassembly includes limiting plate, support main part, support runner and connection ring body, support main part integrated into one piece setting in one side of limiting plate, and the two is T font structure, support the runner and rotate and install in the both sides of supporting the main part, it sets up in the downside of supporting the main part to connect the fixed setting of ring body, the support main part passes the sliding tray, and the connection ring body of lower extreme passes through link and left fixed subassembly, the fixed subassembly swing joint in the right side, it is located the both sides of sliding tray to support the runner.
Preferably, the installing support includes the mounting panel and supports the boss, support boss integrated into one piece setting at the middle part of mounting panel, the rotation slotted hole has been seted up at the both ends of mounting panel, and is two sets of movable assembly rotates and installs and rotate slotted hole department and pass through elasticity telescopic link and left fixed subassembly, right fixed subassembly swing joint.
Preferably, the activity subassembly includes spacing disc, axis of rotation and support ring, axis of rotation integrated into one piece sets up the downside at spacing disc, the lower extreme integrated into one piece of axis of rotation is provided with the support ring, the sliding tray is passed to the axis of rotation, and the support ring of its lower extreme passes through elastic telescopic rod and fixes subassembly, the fixed subassembly swing joint in the right side in a left side.
Preferably, the elastic telescopic rod comprises a female rod, a secondary rod and a telescopic spring, the telescopic spring is fixedly arranged in an inner cavity of the female rod, one end of the secondary rod extends into the female rod and is fixedly connected with one end of the telescopic spring, one end of the female rod is connected with the support ring, and one end of the secondary rod is movably connected with the left fixed component and the right fixed component through hanging rings.
Preferably, the optical cable assembly comprises an optical cable main body, an inner stranded wire sleeved outside the optical cable main body, and an outer stranded wire wound on the inner stranded wire.
Preferably, the supporting piece, the left fixing component and the right fixing component are identical in structure and respectively comprise a supporting body, a holding hoop and a rubber clamping sleeve, the end portions of the inner stranded wire and the outer stranded wire are clamped in the holding hoop, and the rubber clamping sleeve is arranged between the inner stranded wire and the outer stranded wire.
The invention has the beneficial effects that:
1. the spiral line structure of the inner and outer double-layer stranded wires is wound on the optical cable main body to generate grip force, so that the stress area of the optical cable main body is increased, stress concentration is greatly eliminated, and the connection strength of the optical cable main body is improved;
2. the rigid strength of connection has been guaranteed promptly in the setting of installing support, movable part, support piece, left fixed subassembly, right fixed subassembly, has improved wind-resistant ability, the anti-tensile ability of dragging behind the cable junction again, can effectively cushion and unload the power to dragging of vertical gravity and dragging of wind-force, avoids the optical cable atress too strong and fracture, has prolonged the life of optical cable.
The optical cable connecting device is novel in design, simple in structure, practical and convenient, and improves the holding power of an optical cable and ensures the reliability of optical cable connection through the spiral line structure of the inner and outer double-layer stranded wires; meanwhile, the wind resistance and the pulling resistance of the cable after connection are improved while the connection rigidity strength is ensured, the optical cable is prevented from being broken due to over-strong stress, and the service life of the optical cable is prolonged.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a mounting bracket according to a first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a movable assembly according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram according to a second embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a mounting bracket according to a second embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a movable assembly according to a second embodiment of the present invention;
fig. 7 is a schematic structural view of an elastic expansion link according to a second embodiment of the present invention;
fig. 8 is a schematic structural view of the left fixing assembly of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Fig. 1 to 8 are schematic structural diagrams of a plurality of embodiments of the present invention, specifically illustrating structures of the embodiments, and the present invention relates to a pre-twisted fitting for an overhead optical cable, which improves grip strength of the optical cable and ensures reliability of optical cable connection by a helical line structure of an inner and an outer double-layer twisted wires; meanwhile, the installation support 1, the movable assembly 2, the support piece 3, the left fixing assembly 4 and the right fixing assembly 5 are arranged to ensure the rigidity strength of connection, the wind resistance and the tensile resistance after cable connection are improved, the optical cable is prevented from being broken due to too strong stress, the service life of the optical cable is prolonged, the optical cable is protected, and power failure is reduced.
Example one
Referring to fig. 1-3 and 8, including installing support 1, movable assembly 2, support piece 3, left fixed subassembly 4, right fixed subassembly 5 and optical cable subassembly 7, support piece 3 is fixed to be set up in the middle part of installing support 1, movable assembly 2 is provided with two sets and movable mounting on installing support 1 of support piece 3 both sides, left fixed subassembly 4 and right fixed subassembly 5 are connected with movable assembly 2 of both sides respectively, optical cable subassembly 7 passes left fixed subassembly 4, support piece 3, right fixed subassembly 5 fixed connection, support piece 3 and left fixed subassembly 4, right fixed subassembly 5 between pass through stiff spring 6 fixed connection respectively.
The mounting bracket 1 comprises a mounting plate 101 and a supporting boss 102, the supporting boss 102 is integrally formed at the middle of the mounting plate 101, sliding grooves 103 are formed in the mounting plate 101 on two sides of the supporting boss 102 along the length direction of the mounting plate, and the two groups of movable assemblies 2 are slidably mounted on the sliding grooves 103 and movably connected with the left fixed assembly 4 and the right fixed assembly 5 through hanging rings.
The movable assembly 2 comprises a limiting plate 201, a supporting main body 202, a supporting rotating wheel 203 and a connecting ring body 204, the supporting main body 202 is integrally formed on one side of the limiting plate 201, the two supporting main bodies are of a T-shaped structure, the supporting rotating wheel 203 is rotatably installed on two sides of the supporting main body 202, the connecting ring body 204 is fixedly arranged on the lower side of the supporting main body 202, the supporting main body 202 penetrates through the sliding groove 103, the connecting ring body 204 at the lower end is movably connected with the left fixing assembly 4 and the right fixing assembly 5 through hanging rings, and the supporting rotating wheel 203 is located on two sides of the sliding groove.
The supporting member 3, the left fixing component 4 and the right fixing component 5 have the same structure and respectively comprise a supporting body 401, a hoop 402 and a rubber jacket 403, the ends of the inner stranded wire 702 and the outer stranded wire 703 are clamped in the hoop 402, and the rubber jacket 403 is arranged between the inner stranded wire 702 and the outer stranded wire 703.
In this embodiment, the supporting body 202 of the movable component 2 passes through the sliding slot 103, the connecting ring body 204 at the lower end is movably connected with the left fixing component 4 and the right fixing component 5 through a hanging ring, the supporting runner 203 is located at two sides of the sliding slot 103, the movable component can move along the sliding slot 103, the ends of the inner stranded wire 702 and the outer stranded wire 703 are embedded into the clasping hoop 402 for fixing, a rubber jacket 403 is arranged between the inner stranded wire 702 and the outer stranded wire 703 to improve the connection strength at the fixing position, the middle part of the optical cable is connected to the supporting member 3, the left fixing component 4, the right fixing component 5 and the supporting member 401 of the supporting member 3 are respectively connected through the rigid spring 6, and the optical cable between the three components reserves the expansion amount of the optical cable, when strong wind occurs, the movable component 2 drives the left fixing component 4 and the right fixing component 5 below the movable component to move towards two sides, and the rigid spring 6 and the, and the strong wind can be buffered and unloaded, the protection of the optical cable is improved, and the service life is prolonged.
Example two
Referring to fig. 4-8, the difference between the present embodiment and the present embodiment lies in that the structure of the movable assemblies 2 is different, in the present embodiment, the mounting bracket 1 includes a mounting plate 101 and a supporting boss 102, the supporting boss 102 is integrally formed at the middle of the mounting plate 101, two ends of the mounting plate 101 are provided with rotating slots 104, and the two sets of movable assemblies 2 are rotatably mounted at the rotating slots 104 and movably connected with the left fixed assembly 4 and the right fixed assembly 5 through the elastic telescopic rod 8.
The movable assembly 2 comprises a limiting disc 207, a rotating shaft 205 and a supporting ring 206, the rotating shaft 205 is integrally formed on the lower side of the limiting disc 207, the supporting ring 206 is integrally formed on the lower end of the rotating shaft 205, the rotating shaft 205 penetrates through the sliding groove 103, and the supporting ring 206 on the lower end of the rotating shaft is movably connected with the left fixing assembly 4 and the right fixing assembly 5 through the elastic telescopic rod 8.
The elastic telescopic rod 8 comprises a female rod 801, a sub-rod 802 and a telescopic spring 803, the telescopic spring 803 is fixedly arranged in an inner cavity of the female rod 801, one end of the sub-rod 802 extends into the female rod 801 and is fixedly connected with one end of the telescopic spring 803, one end of the female rod 801 is connected with the support ring 206, and one end of the sub-rod 802 is movably connected with the left fixing component 4 and the right fixing component 5 through hanging rings.
In this embodiment, axis of rotation 205 passes sliding tray 103, and support ring 206 of its lower extreme passes through elastic telescopic rod 8 and left fixed subassembly 4, the fixed subassembly 5 swing joint in the right side, when meetting strong wind weather, movable assembly 2 and elastic telescopic rod 8 can stretch out and draw back and rotate, have the function of connecting cable promptly, can deal with the strong wind of all directions again, simultaneously rigid spring 6, movable assembly 2 and elastic telescopic rod 8 can guarantee the intensity of connecting, again can cushion strong wind and unload the power, improve the protection to the optical cable, and long service life.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides an overhead optical cable is with preformed helical gold utensil, includes installing support (1), movable assembly (2), support piece (3), left fixed subassembly (4), right fixed subassembly (5) and optical cable subassembly (7), its characterized in that, support piece (3) are fixed to be set up at the middle part of installing support (1), movable assembly (2) are provided with two sets ofly and movable mounting on installing support (1) of support piece (3) both sides, left side fixed subassembly (4) and right fixed subassembly (5) are connected with movable assembly (2) of both sides respectively, optical cable subassembly (7) pass left fixed subassembly (4), support piece (3), right fixed subassembly (5) fixed connection, respectively through rigid spring (6) fixed connection between support piece (3) and left fixed subassembly (4), the right fixed subassembly (5).
2. The pre-twisted fitting for the overhead cable according to claim 1, wherein the mounting bracket (1) comprises a mounting plate (101) and a supporting boss (102), the supporting boss (102) is integrally formed in the middle of the mounting plate (101), sliding grooves (103) are formed in the mounting plate (101) on two sides of the supporting boss (102) along the length direction of the mounting plate, and the two sets of movable assemblies (2) are slidably mounted on the sliding grooves (103) and movably connected with the left fixed assembly (4) and the right fixed assembly (5) through hanging rings.
3. The pre-twisted fitting for the overhead cable according to claim 2, wherein the movable assembly (2) comprises a limiting plate (201), a supporting body (202), a supporting rotating wheel (203) and a connecting ring body (204), the supporting body (202) is integrally formed on one side of the limiting plate (201), the supporting rotating wheel (203) and the supporting rotating wheel (202) are of a T-shaped structure, the supporting rotating wheel (203) is rotatably installed on two sides of the supporting body (202), the connecting ring body (204) is fixedly arranged on the lower side of the supporting body (202), the supporting body (202) penetrates through the sliding groove (103), the connecting ring body (204) at the lower end is movably connected with the left fixing assembly (4) and the right fixing assembly (5) through hanging rings, and the supporting rotating wheel (203) is located on two sides of the sliding groove (103).
4. The pre-twisted fitting for the aerial optical cable according to claim 1, wherein the mounting bracket (1) comprises a mounting plate (101) and a supporting boss (102), the supporting boss (102) is integrally formed in the middle of the mounting plate (101), a rotating slotted hole (104) is formed in each of two ends of the mounting plate (101), and the two groups of movable assemblies (2) are rotatably mounted at the rotating slotted hole (104) and movably connected with the left fixing assembly (4) and the right fixing assembly (5) through an elastic telescopic rod (8).
5. The pre-twisted fitting for the overhead cable according to claim 4, wherein the movable assembly (2) comprises a limiting disc (207), a rotating shaft (205) and a supporting ring (206), the rotating shaft (205) is integrally formed on the lower side of the limiting disc (207), the supporting ring (206) is integrally formed on the lower end of the rotating shaft (205), the rotating shaft (205) penetrates through the sliding groove (103), and the supporting ring (206) on the lower end of the rotating shaft is movably connected with the left fixing assembly (4) and the right fixing assembly (5) through an elastic telescopic rod (8).
6. The pre-twisted fitting for the overhead cable according to claim 5, wherein the elastic telescopic rod (8) comprises a female rod (801), a sub-rod (802) and a telescopic spring (803), the telescopic spring (803) is fixedly arranged in an inner cavity of the female rod (801), one end of the sub-rod (802) extends into the female rod (801) and is fixedly connected with one end of the telescopic spring (803), one end of the female rod (801) is connected with the support ring (206), and one end of the sub-rod (802) is movably connected with the left fixing component (4) and the right fixing component (5) through a hanging ring.
7. The pre-twisted wire fitting for an overhead cable according to any one of claims 1 to 6, wherein the cable assembly (7) comprises a cable main body (701), an inner stranded wire (702) sheathed outside the cable main body (701), and an outer stranded wire (703) wound around the inner stranded wire (702).
8. The pre-twisted fitting for the overhead cable according to claim 7, wherein the supporting member (3), the left fixing component (4) and the right fixing component (5) have the same structure, and each of the supporting member, the left fixing component and the right fixing component comprises a supporting body (401), a clasping hoop (402) and a rubber jacket (403), the ends of the inner stranded wire (702) and the outer stranded wire (703) are clamped in the clasping hoop (402), and the rubber jacket (403) is arranged between the inner stranded wire (702) and the outer stranded wire (703).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010572398.1A CN111736285A (en) | 2020-06-22 | 2020-06-22 | Pre-twisted hardware fitting for aerial optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010572398.1A CN111736285A (en) | 2020-06-22 | 2020-06-22 | Pre-twisted hardware fitting for aerial optical cable |
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| Publication Number | Publication Date |
|---|---|
| CN111736285A true CN111736285A (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010572398.1A Pending CN111736285A (en) | 2020-06-22 | 2020-06-22 | Pre-twisted hardware fitting for aerial optical cable |
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| CN (1) | CN111736285A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116299929A (en) * | 2023-02-13 | 2023-06-23 | 卓信通信股份有限公司 | Protection architecture that communication line used |
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Application publication date: 20201002 |