CN112803338B

CN112803338B - Aerial cable fixing device

Info

Publication number: CN112803338B
Application number: CN202110007989.9A
Authority: CN
Inventors: 敬晓宇; 宗孟杰; 陈海鹰; 许超; 赵宁; 段昱成; 张琦
Original assignee: Hangzhou 7u Communication Technologies Co ltd
Current assignee: Hangzhou 7u Communication Technologies Co ltd
Priority date: 2020-11-13
Filing date: 2021-01-05
Publication date: 2023-07-25
Anticipated expiration: 2041-01-05
Also published as: CN112803338A; CN215817432U

Abstract

The invention provides an aerial cable fixing device which comprises a clamp and a fixing device, wherein the clamp is used for connecting a tower body, the fixing device can be used for fixing cables, the fixing device is connected with the clamp, the fixing device is of a porous structure, holes in the fixing device can be used for fixing the cables, and the fixing device is detachably connected with the clamp. The two sides of the fixing device are hollowed out, so that the device has good wind resistance, has small wind resistance and is not easy to fall under the action of strong wind; the device also comprises a first steel strand structure and a second steel strand structure which are respectively suitable for different extension modes of the cable, and meanwhile, the whole aesthetic property and the use safety of the device can be improved through the suspension of the steel strand to the cable; the device has the advantages of light weight, high strength, corrosion resistance, convenient early installation, convenient later maintenance and long service life; after the cable is fixed on the device, the bending radius of the cable can be ensured when the direction of the cable is changed, the transmission loss is reduced, and the transmission efficiency is improved.

Description

Aerial cable fixing device

Technical Field

The invention relates to the technical field of communication, in particular to an aerial cable fixing device.

Background

At present, communication networks coexist in multiple networks, tower resources are limited, a plurality of communication operator cables exist on a single tower, the cables are regular and fixed to be the biggest problem, the traditional solution is to randomly put the cables on steel strands, the fixing mode is simple or no fixing measures exist, safety risks can exist when strong wind is encountered, in addition, attractiveness is extremely poor, the operator cables cannot be distinguished, and convenience cannot be provided for follow-up management. Finally, because no professional fixing measures are adopted, the bending radius of the cable cannot be ensured when the cable changes direction, and the transmission loss can be increased, so that the transmission efficiency is affected.

Disclosure of Invention

The present invention is directed to an aerial cable fixing device, which solves the above-mentioned problems in the prior art.

The technical scheme adopted by the invention for achieving the purpose is that the aerial cable fixing device comprises a clamp and a fixing device, wherein the clamp is used for being connected with a tower body, the fixing device can be used for fixing a cable, the fixing device is connected with the clamp, the fixing device is of a porous structure, and holes in the fixing device can be used for fixing the cable.

Further, the fixing device is detachably connected with the clamp; the fixing device comprises a shell plate, an upper clamping plate and a lower clamping plate are arranged on the shell plate, a second connecting hole is formed in the clamping plate, a first connecting hole is formed in the clamping hoop, the second connecting hole of the clamping hoop is clamped in the middle through the two clamping plates, and at least two first connecting holes and at least two second connecting holes are formed in the first connecting holes and the second connecting holes.

Further, the first connecting hole and the second connecting hole can be connected together through bolts and nuts or in a mode of locking a binding belt; or the clamping plate and the clamping band are connected together in a buckling manner.

Further, an interlayer is arranged in the fixing device and is detachably connected with the shell plate; the interlayer comprises a first interlayer, a second interlayer, a third interlayer, a fourth interlayer and a fifth interlayer which are arranged on the shell plate; holes are formed in the interlayer and the shell plate, and the interlayer is fixed on the shell plate by penetrating through the holes in a threaded fit connection mode.

Further, a cable fixing device is arranged on the interlayer, one cable is fixed by adopting two cable fixing devices, the cable fixing device comprises a cable base and a cable gland, the cable base is fixed on the interlayer, the cable gland can be arranged on the cable base, a mounting hole is formed between the cable gland and the cable base, and the mounting hole is used for fixing the cable; wherein, the mounting hole is non-circular structure, is flat form, and cable gland, cable base are equipped with chamfer or fillet in the edge that the mounting hole position was located.

Further, the left and right side edges of the shell plate are provided with bends, the upper and lower side edges are provided with bends, and the left and right sides of the interlayer are also provided with bends; wherein, the bending is ninety degrees.

Further, the fixing device also comprises an openable and closable protective cover cap, the protective cover cap is connected with the shell plate in a rotating fit manner, and the two sides of the fixing device are hollowed out.

Further, two side hollowed-out positions of the fixing device are provided with a baffle plate, holes are formed in the baffle plate, and cables penetrate through the holes.

Further, the aerial cable fixing device further comprises a first steel strand structure arranged on the clamping plate, the first steel strand structure comprises an upper clamping plate and a lower clamping plate, the upper clamping plate and the lower clamping plate clamp the steel strands in the middle, and the first steel strand structure is connected to the clamping plate through bolts and nuts.

Further, aerial cable fixing device still includes second steel strand wires structure, second steel strand wires structure is including locating the first pin between two splint, second steel strand wires structure still includes hasp and second pin, the hasp is the U-shaped, the hasp is located two tip positions of U-shaped and all is equipped with the through-hole, the second pin can pass these two through-holes and fix on the hasp, when the installation, let the annular structure cover that hasp and second pin constitute establish on first pin, the steel strand wires is walked around the hasp and is fixed with the retaining member, realize fixing the one end of steel strand wires on second steel strand wires structure, be equipped with two retaining members on the one end of a cable.

Further, a connecting piece is arranged on the steel stranded wire and is used for fixing the cable to the steel stranded wire; the connecting piece is a hook, and the hook can hang the middle section of the cable on the steel twisted wire.

Further, the first pin is a bolt, the first pin penetrates through the two clamping plates and then is connected with the nut, and a sleeve is arranged at the position, between the two clamping plates, of the first pin.

According to the above, the invention has the following beneficial effects: the aerial cable fixing device is high in applicability and suitable for different tower-shaped structures such as a cylindrical tower, an angle steel tower and a square tower; the invention adopts the porous structure, the porous structure is helpful for distinguishing the cable areas of all suppliers, the cable wiring is beautiful, and confusion is avoided; the cable fixing device can enable the cable to be pressed up and down by the cable gland and the cable base and not easy to move, so that the fixing is more firm; bending is carried out on the interlayer, so that the mechanical property of the interlayer can be improved; the protection cover cap can improve certain aesthetic property of the device, and is convenient for installing the cable, and has certain rainproof function, so that the cable fixing device is not easy to rust; the two sides of the fixing device are hollowed out, so that the device has good wind resistance, has small wind resistance and is not easy to fall under the action of strong wind; the device also comprises a first steel strand structure and a second steel strand structure which are respectively suitable for different extension modes of the cable, and meanwhile, the whole aesthetic property and the use safety of the device can be improved through the suspension of the steel strand to the cable; the device has the advantages of light weight, high strength, corrosion resistance, convenient early installation, convenient later maintenance and long service life; after the cable is fixed on the device, the bending radius of the cable can be ensured when the direction of the cable is changed, the transmission loss is reduced, and the transmission efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the device;

FIG. 2 is a schematic view of the attachment of a clamp to a fixture;

FIG. 3 is a schematic view of the back structure of the fixture;

FIG. 4 is an exploded view of a portion of the structure in the back direction of the fixture;

FIG. 5 is a schematic structural view of a second steel strand fixing device;

FIG. 6 is a schematic view of the securing device after the protective cover is opened;

FIG. 7 is a schematic view of a cable fixture device;

FIG. 8 is a schematic view of a cable in line with the apparatus of the present invention;

FIG. 9 is a schematic illustration of cable bending fixation using the apparatus of the present invention;

fig. 10 is a schematic view of a cylindrical fixation device.

Detailed Description

The following further details of embodiments of the present invention with reference to the accompanying drawings, it should be noted that the examples are only illustrative of the invention and should not be taken as limiting the invention, and all the features disclosed in the examples of the present invention, or all the steps in the methods or processes disclosed, can be combined in any way except mutually exclusive features and/or steps.

Referring to fig. 1 and 2, the aerial cable fixing device includes a clamp 10 and a fixing device 20, where the clamp 10 is used to connect with a tower body 30, and the tower body 30 may be a square tower, a cylindrical tower, an angle steel tower, etc., for example, in this embodiment, the clamp 10 is used to connect with a cylindrical tower, and the clamp 10 can select "publication number is: CN111197613a ", provided by: a hoop for mounting communication equipment; or, "publication number: CN109737119a ", provided by: a chain type quick hoop, etc. In some other embodiments, the clip 10 can also be used to attach angle towers, where "publication number" can be selected: CN111577719a "provides a dovetail clip on a fixing device for a tower body of an angle steel tower. The main purpose of the clip 10 is to be firmly fixed on the tower body 30, so long as the clip 10 is not easy to fall off from the tower body 10, and the form of the clip 10 is different according to the different connected tower bodies. The fixing device 20 can be used for fixing cables, and the fixing device 20 is connected with the clamp 10 to fix the cables on the tower body 30. The invention is based on the description of how the fixed cable is carried out by the cylindrical tower, and the technical scheme of the fixed cable is not limited to be only suitable for the cylindrical tower.

Preferably, the clamp 10 is provided with a first connecting hole 11, the fixing device 20 is correspondingly provided with a second connecting hole 21, the first connecting hole 11 and the second connecting hole 21 are penetrated together through the first bolt 12, the clamp 10 and the fixing device 20 can be connected, and at least two first connecting holes 11 and second connecting holes 21 are respectively arranged, so that the fixing device 20 can be limited to rotate on the clamp 10. The fastening connection mode of the bolt and the nut is suitable for connection between the clamp 10 and the fixing device 20, has the advantages of firm fixation, low cost, convenient installation and the like, and is also suitable for connection of other positions of the invention, and corresponding description will be given later. The fastening connection of the bolt and the nut can be replaced by other connection methods commonly used by those skilled in the art, such as a snap-fit method and a ribbon locking method, and the invention is not limited specifically.

Preferably, referring to fig. 3, the fixing device 20 includes a shell 22, an upper clamping plate 80 and a lower clamping plate 80 are provided on the shell 22, a second connecting hole 21 is provided on the clamping plate 80, the first connecting hole 11 of the clip 10 is clamped between the clamping plates 80, and then the first bolt 12 penetrates through the first connecting hole 11 and the second connecting hole 21 to complete the installation. It should be noted that the two clamping plates 80 may be two separate parts, or may be a part of one part having two clamping plates 80, so long as the second connecting hole 21 of the clip 10 can be sandwiched by the two clamping plates 80.

Preferably, the securing means 20 is a porous structure. For example, the fixing device 20 in fig. 10 has a cylindrical shape, and a plurality of holes 99 are formed in the fixing device, and the cables are passed through the holes 99 to achieve the purpose of cable separation. The distribution of the holes 99 on the fixture 20 may be regular or irregular, and each hole 99 may be marked or the cable may be marked in actual use. Further, the porous structure is a layered structure, the layered structure mainly adopts an interlayer mode, and referring to fig. 2, 3 and 6, the number of the first interlayer 23, the second interlayer 24, the third interlayer 25, the fourth interlayer 26 and the fifth interlayer 27 and … … on the shell plate 22 can be selected according to the needs, and the layered structure makes the cable area of each provider more visual through division of the interlayers, and the cable wiring is more attractive and can not be confused. Further, the interlayer is detachably connected with the shell plate 22, holes are formed in the interlayer and the shell plate 22, and the interlayer can be fixed on the shell plate 22 by penetrating the second bolts 28 through the holes in the interlayer and the shell plate 22 and then connecting nuts.

Preferably, the cable fixing device 30 is installed on the interlayer, one cable is fixed by adopting two cable fixing devices 30, the cable can be firmly fixed, the cable fixing device 30 comprises a cable base 31 and a cable gland 32, the cable base 31 is fixed on the interlayer, the cable gland 32 can be installed on the cable base 31, a mounting hole 33 is formed between the cable gland 32 and the cable base 31, and the mounting hole 33 is used for fixing the cable. Further, the mounting hole 33 is in a non-circular structure, preferably in a flat shape, for example, an elliptical hole, and after the cable is fixed, the cable is not easy to move due to up-down extrusion of the cable gland 32 and the cable base 31, and the fixation is more firm. The connection between the cable gland 32 and the cable base 31 is preferably a bolt or a nut.

Preferably, the edges of the cable gland 32 and the cable base 31 at the position of the mounting hole 33 are provided with chamfers or fillets 34, and the chamfers or fillets 34 can reduce bending of the cable by the edges of the cable gland 32 and the cable base 31, and meanwhile the cable is not easy to damage.

Preferably, in order to enhance the performance of the shell 22, the shell 22 is not easily deformed, and the left and right edges of the shell 22 are bent, and the upper and lower edges are bent, for example, ninety degrees. And the same is adopted, the left side and the right side of the interlayer are also bent, so that the performance of the interlayer is improved.

Preferably, the fixing device 20 further comprises an openable and closable protective cover 29, the protective cover 29 is connected with the shell plate 22 in a rotating fit manner, and the protective cover 29 can promote certain aesthetic property of the device. In addition, the operator can also facilitate the fixing of the cable to the cable fixing device 30 by opening the protective cover 29 at the time of installation. The protective cover 29 also has a certain rainproof effect, so that the cable fixing device 30 is not easy to rust. In this embodiment, the two sides of the fixing device 20 are hollowed out, which makes the device have better wind resistance, and the wind resistance is smaller, so that the device is not easy to fall under the action of strong wind. In some other embodiments, two hollow positions on two sides of the fixing device 20 are provided with a baffle, holes are formed in the baffle, and cables pass through the holes, so that the environment in the fixing device is relatively airtight, the cable fixing device 30 cannot be corroded, and the fixing device 20 is large in wind resistance and poor in wind resistance under the condition, so that the fixing device is suitable for being installed in areas with less strong wind weather.

The cable is heavy and is not easy to straighten by force when being fixed at high altitude, so that the middle section of the cable between the two tower columns 30 is easy to fall down generally, and the problem is solved. Preferably, the aerial cable fixing device of the present invention further comprises a first steel strand structure 50 provided on the clamping plate 80, the first steel strand structure 50 comprising an upper clamping plate 51 and a lower clamping plate 52, the upper clamping plate 51 and the lower clamping plate 52 sandwiching the steel strand, the first steel strand structure 50 being connected to the clamping plate 80 by bolts and nuts. The first steel strand structure 50 is mainly suitable for the situation that the cable extends in a straight line, for example, as shown in fig. 8, in this case, the problem that the middle section of the cable is easy to drop is solved by fixing a straightened steel strand on the first steel strand structure 50 and fixing a connecting piece, such as a small hook, on the steel strand, and hanging the part of the cable, which is easy to drop, on the steel strand through the small hook. Meanwhile, the steel stranded wires are in a straightened state, so that the steel stranded wires cannot deform even if the cables are fixed on the steel stranded wires through the connecting pieces, and the cable wiring is attractive.

The cables in life do not necessarily have to be in the form of straight extensions, and sometimes the cables need to be bent, as is the case in fig. 9. Generally, the first steel strand structure 50 is only suitable for the case that the cable extends in a straight line, because when the cable is bent, the steel strands on the first steel strand structure 50 are also forced to be bent, and when the steel strands are bent, the bending positions of the steel strands are easy to break, especially the steel strands bear a part of the weight of the cable, and when the steel strands in the high air break, serious safety accidents are caused. In order to eliminate the potential safety hazard, the aerial cable fixing device of the invention further comprises a second steel strand structure 60, the second steel strand structure 60 comprises a first pin 61 arranged between two clamping plates 80, the first pin 61 can adopt bolts, and a third bolt 62 penetrates through the two clamping plates 80 and then fixes nuts. The second steel stranded wire structure 60 further comprises a lock catch 63 and a second pin 64, the lock catch 63 is in a U shape, through holes are formed in two end portions of the U shape of the lock catch 63, the second pin 64 can pass through the through holes and is fixed to the lock catch 63, and when the second steel stranded wire structure is installed, an annular structure formed by the lock catch 63 and the second pin 64 is sleeved on the first pin 61. The steel strand wires bypass hasp 63 and fix with retaining member 65, realize fixing the one end of steel strand wires on second steel strand wires structure 60, because hasp 63 and the annular structure cover that second column round pin 64 constitutes establish on first pin 61, consequently the steel strand wires can drive this annular structure and carry out free angle regulation as required, and the length of steel strand wires also can carry out the suitability and adjust, and unnecessary steel strand wires can lock through retaining member 65 after buckling. Further, two locking members 65 are provided to ensure that the steel strand does not fall off.

Preferably, referring to fig. 5, when the strand is in a straightened state, the second pin 64 acts on the first pin 61 for a long period of time, and the contact portions thereof are easily worn, and in order to extend the service life of the device, the first pin 61 is provided with a sleeve 66 at a position between the two clamping plates 80.

The components of the device, except for the standard components (bolts and nuts), are preferably made of a material which is light in weight, high in strength and corrosion resistant, such as an aluminum alloy. The parts of the device can be formed by adopting a sheet metal process, bending and stamping, or injection molding, and the injection molding material can be a metal material, such as aluminum alloy; or other materials such as plastics.

The foregoing is merely illustrative of specific embodiments of the invention, and the scope of the invention is not limited thereto, but is intended to cover any variations or alternatives not covered by the inventive subject matter, and therefore, the scope of the invention is defined by the appended claims.

Claims

1. The aerial cable fixing device is characterized by comprising a clamp and a fixing device, wherein the clamp is used for being connected with a tower body, the fixing device can be used for fixing a cable, the fixing device is connected with the clamp, the fixing device is of a porous structure, and holes in the fixing device can be used for fixing the cable;

the hollow cable fixing device also comprises a first steel strand structure, the first steel strand structure comprises an upper clamping plate and a lower clamping plate, the upper clamping plate and the lower clamping plate clamp the steel strands in the middle, and the first steel strand structure is connected to the clamping plate through bolts and nuts;

the hollow cable fixing device also comprises a second steel strand structure, the second steel strand structure comprises a first pin arranged between the two clamping plates, the second steel strand structure also comprises a lock catch and a second pin, the lock catch is U-shaped, through holes are formed in two end parts of the lock catch, the second pin can pass through the two through holes and is fixed on the lock catch, when the hollow cable fixing device is installed, an annular structure formed by the lock catch and the second pin is sleeved on the first pin, the steel strand bypasses the lock catch and is fixed by locking pieces, one end of the steel strand is fixed on the second steel strand structure, and two locking pieces are arranged on one end of one cable;

the fixing device also comprises an openable and closable protective cover cap, the protective cover cap is connected with the shell plate in a rotating fit manner, and the two sides of the fixing device are hollowed out;

an interlayer is arranged in the fixing device, a cable fixing device is arranged on the interlayer, and one cable is fixed by adopting two cable fixing devices.

2. An aerial cable fixation device as in claim 1, wherein the fixation device is removably coupled to the clip; the fixing device comprises a shell plate, an upper clamping plate and a lower clamping plate are arranged on the shell plate, a second connecting hole is formed in the clamping plate, a first connecting hole is formed in the clamping hoop, the second connecting hole of the clamping hoop is clamped in the middle through the two clamping plates, and at least two first connecting holes and at least two second connecting holes are formed in the first connecting holes and the second connecting holes.

3. The aerial cable fixation device of claim 2, wherein the first and second attachment holes are coupled together by means of a bolt and nut, or a strap lock; or the clamping plate and the clamping band are connected together in a buckling manner.

4. The aerial cable fixation device of claim 2, wherein the porous structure is a layered structure, and the spacer is detachably connected to the shell plate; the interlayer comprises a first interlayer, a second interlayer, a third interlayer, a fourth interlayer and a fifth interlayer which are arranged on the shell plate; holes are formed in the interlayer and the shell plate, and the interlayer is fixed on the shell plate by penetrating through the holes in a threaded fit connection mode.

5. The aerial cable fixing device of claim 1, wherein the cable fixing device comprises a cable base and a cable gland, the cable base is fixed on the spacer layer, the cable gland can be mounted on the cable base, a mounting hole is formed between the cable gland and the cable base, and the mounting hole is used for fixing the cable; wherein, the mounting hole is non-circular structure, is flat form, and cable gland, cable base are equipped with chamfer or fillet in the edge that the mounting hole position was located.

6. The aerial cable fixing device of claim 2 wherein the shell plate has a fold on the left and right edges and a fold on the upper and lower edges, and the spacer layer has a fold on the left and right edges; wherein, the bending is ninety degrees.

7. The aerial cable fixing device according to claim 1, wherein two hollow positions of the fixing device are provided with a baffle plate, holes are formed in the baffle plate, and cables pass through the holes.

8. An aerial cable fixing device according to claim 2, wherein the steel strands are provided with connectors for fixing the cable to the steel strands; the connecting piece is a hook, and the hook can hang the middle section of the cable on the steel twisted wire.

9. The aerial cable fixing device according to claim 1, wherein the first pin is a bolt, the first pin penetrates through the two clamping plates and then is connected with the nut, and the first pin is provided with a sleeve at a position between the two clamping plates.