CN203941332U - Optical cable erecting equipment - Google Patents

Abstract

A kind of optical cable erecting equipment, for optical cable is installed to pipeline, comprising: blowning installation, drive unit and distance adjusting means.Blowning installation comprises high-pressure air source, admission gear, be connected with described pipeline with the output unit of conveying gas in described pipeline and for the input media of leading in cable in blowning installation; Drive unit, for described optical cable is incorporated in described blowning installation by described input media, described drive unit comprises: driving wheel; And engaged wheel, cooperate with described driving wheel, to pull the optical cable being clamped between the two; Distance adjusting means is for regulating the distance between described engaged wheel and driving wheel.By regulating the distance between engaged wheel and driving wheel, can avoid optical cable to sustain damage.

Description

Fiber optic cable installation equipment

technical field

The utility model relates to an optical cable installation device, in particular to an optical cable installation device for installing an optical cable in a pipeline by means of air blowing.

Background technique

The known method of installing optical cables into ducts by air blowing. This method can reduce the resistance of the cable when installing the cable, and can continuously install the cable into a pipe with a length of several hundred to several kilometers.

Fig. 1 is a schematic diagram showing the principle of an optical cable installation device in the prior art. The optical cable installation device comprises a duct 203 for installing an optical cable 300, an air blowing device 201 for blowing air into the duct 203, and a double roller 2207 for extruding the optical cable, such as from an optical cable reel, and transporting the optical cable. . Further, an air inlet 205 communicating with an air source is provided on the air blowing device 201 , the optical cable 300 passes through the cavity 202 of the air blowing device 201 , and a connecting pipe 204 is provided between the air blowing device 201 and the pipeline 203 . In this optical cable installation device, the double rollers 207 rotate to drive the optical cable 300 to move towards the duct 203 through the air inlet device 206, and at the same time, from a high-pressure air source (not shown) to the chamber 202 of the blower device 201 through the air inlet 205 Inward blowing, the gas enters the pipe 203 through the connecting pipe 204 , and the blown optical cable 300 is deployed and moved in the pipe 203 to gradually install the optical cable into the pipe 203 .

In the above-mentioned prior art optical cable installation equipment, as the length of the optical cable 300 blown into the duct 203 increases, the resistance of the blowing will increase, and the friction between the double rollers 207 and the outer surface of the optical cable 300 will increase. The optical cable 300 may thus be damaged. In addition, as the resistance increases, the double rollers 207 will forcibly push the optical cable 300 forward, which may cause the optical cable 300 to be bent and damaged.

Utility model content

In order to overcome the above-mentioned or other defects in the prior art, the utility model proposes an optical cable installation device, which can prevent the optical cable from being damaged by adjusting the distance between the driven wheel and the driving wheel.

According to an embodiment of an aspect of the present utility model, an optical cable installation device is provided for installing an optical cable into a pipeline, comprising:

Air blowing device, including high-pressure air source, air inlet device, the output device that is connected with described pipeline to deliver gas in described pipeline, and the input device that is used to introduce optical cable in the blowing device;

The driving device is used to introduce the optical cable into the blowing device through the input device, and the driving device also includes:

driving wheels; and

a driven wheel cooperating with said drive wheel to pull the fiber optic cable clamped therebetween; and

The distance adjusting device is used for adjusting the distance between the driven wheel and the driving wheel.

In the above optical cable installation device, the air blowing device further includes: a first housing; and a second housing, the second housing is detachably combined with the first housing to form a closed chamber , the driving wheel and the driven wheel are installed in the chamber formed by the first casing and the second casing.

In the above optical cable installation apparatus, the driving device includes: a driving motor; and a pinion located in the chamber and mounted on a driving shaft of the driving motor. The driving wheel includes: a wheel disc rotatably mounted on a first support shaft provided inside the second housing; and an annular portion whose outer side cooperates with the driven wheel, the annular portion Internal teeth are formed on the inner side of the ring portion, and the internal teeth mesh with the pinion gear so that the pinion gear drives the ring portion to rotate.

In the above-mentioned optical cable installation device, the distance adjustment device includes: an adjustment rod, which is parallel to the direction of gravity of the driven wheel and extends into the chamber through the side wall of the second housing; a support frame, connected with the adjustment rod in the chamber; And the second support shaft is installed on the support frame, and the driven wheel is rotatably installed on the second support shaft.

In the above optical cable installation device, the support frame extends perpendicularly to the adjustment rod, the second support shaft is installed at a substantially middle position of the support frame, and the first end of the support frame is pivotally installed inside the second housing , the adjustment rod is connected to the support frame near the second end of the support frame.

In the above optical cable installation device, a first recess is formed inside the second housing, the support frame is accommodated in the first recess, and the first end of the support frame is pivotally connected to the inner wall of the first recess. combined.

In the above optical cable installation device, a blocking protrusion is provided on the adjusting rod, and the blocking protrusion cooperates with the second housing so that the adjusting rod can rotate relative to the second housing and prevents the adjusting rod from rotating relative to the second housing. The body moves up and down.

In the above optical cable installation device, the adjustment rod is screwed into the support frame near the second end.

In the above optical cable installation device, a compression spring is provided at the place where the adjusting rod is screwed with the supporting frame, so as to apply a biasing force to the supporting frame.

In the above optical cable installation device, a rotating handle is provided on the upper part of the adjusting rod.

In the above optical cable installation device, a positioning knob is provided at the second end of the supporting frame, and the positioning knob is threaded through the supporting frame and connected to the second housing.

In the above optical cable installation device, a slip ring is provided on the outer rim of at least one of the driven wheel and the driving wheel, so that when the resistance to the optical cable increases, slipping occurs between the driving wheel, the driven wheel and the optical cable Phenomenon.

According to the above-mentioned various embodiments of the optical cable installation device of the present invention, by using the distance adjusting device to adjust the distance between the driving wheel and the driven wheel, the driven wheel can prevent the optical cable from being crushed.

Description of drawings

In order to make the purpose, features and advantages of the present utility model more obvious and easy to understand, the utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, wherein:

Fig. 1 is a schematic diagram showing the principle of an optical cable installation device in the prior art;

Fig. 2 is a schematic perspective view showing an optical cable installation device according to an exemplary embodiment of the present invention, wherein part of the housing is omitted;

Fig. 3 is a schematic plan view showing the front of the optical cable installation device shown in Fig. 2;

Fig. 4 is a schematic plan view showing the rear of the optical cable installation device shown in Fig. 2;

Fig. 5 is a schematic perspective view showing the optical cable installation device shown in Fig. 2 with the first housing removed;

6 is a schematic cross-sectional view showing the cable installation device shown in FIG. 2 cut along the axis of the cable;

FIG. 7 is an enlarged schematic view showing part A in FIG. 6;

FIG. 8 is an enlarged schematic view showing part B in FIG. 6;

Fig. 9 is a schematic perspective view showing the optical cable installation device shown in Fig. 2 viewed from the rear, wherein the second housing is perspective;

Fig. 10 is a schematic perspective view showing the optical cable installation device shown in Fig. 5 after some components are removed;

Fig. 11 is a schematic plan view showing Fig. 10;

12 is a schematic diagram showing the principle of adjusting the distance between the driving wheel and the driven wheel in the optical cable installation device of the present invention;

Fig. 13 is a schematic perspective view showing that shown in Fig. 12;

Fig. 14 is a schematic perspective view showing the optical cable installation device shown in Fig. 2 after removing some components;

15 is a schematic perspective view showing the inside of the second housing;

Figure 16 is a side view showing an embodiment of the drying device of the present utility model; and

Fig. 17 is a schematic plan view showing an optical cable installation device with the first housing removed according to another exemplary embodiment of the present invention.

Detailed ways

Although the utility model will be fully described with reference to the accompanying drawings that contain preferred embodiments of the utility model, it should be understood that those of ordinary skill in the art can modify the utility model described herein while obtaining the advantages of the utility model. technical effect. Therefore, it should be understood that the above description is a broad disclosure for those skilled in the art, and its content is not intended to limit the exemplary embodiments described in the present invention.

The optical cable installation device 100 according to various exemplary embodiments of the present utility model can be used to continuously install optical cables into, for example, pipes with a length of several hundred to several kilometers, thereby realizing the laying of optical cables underground and in buildings .

According to the overall utility model concept of the present utility model, an optical cable installation device 100 is provided, which is used to install the optical cable 300 into the pipeline 400, including: an air blowing device, including a high-pressure air source, an air intake device, and the pipeline an output device connected to deliver gas into the duct, and an input device for introducing an optical cable into the blowing device; a drive device for introducing the optical cable through the input device into the blowing device, The driving device includes a driving wheel and a driven wheel cooperating with the driving wheel to pull the optical cable clamped therebetween; and a distance adjusting device for adjusting the distance between the driven wheel and the driving wheel.

Fig. 2 is a schematic perspective view showing an optical cable installation device according to an exemplary embodiment of the present invention. For convenience of description, the first housing is omitted in Fig. 2 . Fig. 5 is a schematic perspective view showing the optical cable installation device shown in Fig. 2 with the first housing removed.

As shown in Figures 2-5, the optical cable installation device 100 according to the present utility model is used to install the optical cable 300 into, for example, a pipeline 400 pre-set underground or in a building. The gas source, the air inlet device 3 communicated with the high-pressure gas source, the output device 7 connected with the pipeline 400 to deliver gas into the pipeline, and the input device 4 for introducing the optical cable 300 into the blowing device. The driving device 8 is used to introduce the optical cable 300 into the blowing device through the input device 4 . The driving device includes a driving wheel 5 and a driven wheel 6 cooperating with the driving wheel 5 to pull the optical cable 300 clamped between them. The distance adjusting device 8 is used to adjust the distance between the driven wheel 5 and the driving wheel 6 .

Further, the blowing device includes a housing 1 made of stainless steel or hard plastic, for example. The housing 1 includes a first housing 11 and a second housing 12, the second housing 12 is detachably combined with the first housing 11 to form a closed chamber 2, the driving wheel 5 and the driven wheel 6 are The chamber 2 is installed in the chamber 2 formed by the first housing 11 and the second housing 12 . The blowing device also includes an air intake device 3 connected to a high-pressure gas source (not shown) for delivering high-pressure gas into the chamber 2 to form a high-pressure environment in the chamber 2 . In an alternative embodiment, the gas source can be directly arranged inside the blowing device and form a high-pressure environment in the chamber 2 .

Further, in the optical cable installation device of the present invention, the driving wheel and the driven wheel of the driving device are located in the chamber 2, so as to unwind the optical cable 300 from, for example, a reel (not shown) for winding the optical cable, and unwind the optical cable 300. 300 is introduced into chamber 2 via input device 4 . The pipe 400 communicates with the chamber 2 through the output device 7 to blow the optical cable 300 in the chamber 2 into the pipe, so that the optical cable 300 is installed in the pipe 400 to realize long-distance laying of the optical cable.

According to the optical cable installation device 100 of an exemplary embodiment of the present utility model, the inner sides of the first housing 11 and the second housing 12 are formed with recesses that can be combined with each other, and the second housing 12 and the first housing 11 For example, a plurality of bolt assemblies 13 are detachably combined to form the chamber 2 .

In the optical cable installation device 100 of the present utility model, the driving device further includes: for example, a driving motor 51 installed on the outside of the first housing 11, and a pinion 52, the pinion 52 is located in the chamber 2 and installed in Through the drive shaft of the drive motor 51 of the first housing 11 , the pinion gear 52 is driven to rotate by the drive motor 51 . On the other hand, the driving wheel 5 further includes a wheel disc 54 and an annular portion 53, the wheel disc 54 is rotatably mounted on a first support shaft 56 (see FIGS. 5 and 15 ) fixedly arranged inside the second housing 12; The annular part 53 is located on the wheel 54, and the annular part 53 rotates together with the wheel 54, and the outer side 532 of the annular part 53 cooperates with the driven wheel 6 to drive the optical cable 300 between them. Internal teeth 531 are formed on the inner side of the ring portion 53 , and the internal teeth 531 mesh with the pinion 5 so that the pinion 52 drives the drive wheel 5 to rotate.

It can be understood that through the meshing of the pinion 52 and the internal teeth 531 , the output speed of the driving motor 51 can be reduced and the driving force can be increased, so that the optical cable 300 is pulled into the chamber 2 by extrusion friction. In this way, the optical cable 300 still has a certain tendency to travel after entering the chamber 2 , which is beneficial for blowing the optical cable 300 into the duct 400 .

In an alternative embodiment, the drive wheel installed inside the second housing can be directly driven to rotate by a driving motor such as a DC motor or a stepping motor arranged outside the second housing, and the small gear. In another alternative embodiment, the drive motor and the deceleration device can be arranged outside the second housing, so that the drive motor can drive the driving wheel inside the second housing to rotate through the deceleration device. In addition, the driving wheel and the driven wheel can also be installed on the first housing and the second housing respectively, as long as the driving wheel and the driven wheel can engage and drive the optical cable to travel after the first housing and the second housing are combined.

As shown in Figures 5-7, a sealing ring 21 is provided around the chamber 2, and the sealing ring 21 can be arranged on any one of the first housing 11 and the second housing 12, so that the first housing 11 and the second housing 12 When the two casings 12 are combined, air leakage from the chamber to the outside is prevented. The output device 7 is provided with a tapered cannula 71 which engages the conduit 400 . Specifically, the output device 7 includes: an output tube 72, including a first part with a smaller inner diameter and a second part with a larger inner diameter; an intubation tube 71, inserted from the second part of the output tube 72 to the first part, so The inserting tube 71 has an inserting portion 711 whose diameter gradually decreases in the traveling direction of the optical cable 300 , and one end of the pipe 400 is inserted into the inserting portion 711 .

Further, an elastic retaining ring 73 is provided on the inner side of the output pipe 72 corresponding to the inserting portion 711. When the pipe 400 is inserted on the inserting portion 711, the retaining ring 73 elastically squeezes the outside of the pipe 400. Press, so that the pipe 400 is firmly held on the socket part 711. A first sealing ring 74 is also provided on the inner side of the retaining ring 73 to maintain the sealing connection between the pipe 400 and the chamber 2 . The optical cable 300 can pass through the insertion tube 71 in the output tube 72 and enter the duct 400 , so as to extend along the interior of the duct 400 under the blowing of the high-pressure airflow in the chamber 2 . To facilitate the insertion of the pipeline 400 , a tapered first opening 721 is provided outside the output pipe 72 .

In an exemplary embodiment, the output pipe 72 may be composed of two semi-cylindrical parts with an axially extending semi-circular depression, and the two semi-cylindrical parts are respectively placed in the first housing and the second housing, This facilitates the installation of the cannula 71 , retaining ring 73 and first sealing ring 74 . When the first housing 11 and the second housing 12 are combined, the two semi-cylindrical parts combine to form a cylindrical output pipe 72, and hold the installation insert 71, the retaining ring 73 and the first sealing ring 74. In the output pipe 72.

Referring to Figures 5-6 and 8, in an exemplary embodiment of the cable installation device of the present invention, the input device 4 includes a multi-stage sealing device. Specifically, the input device 4 includes: an input tube 41, on the inner wall of the input tube 72, a plurality of first concave rings 42 and second concave rings are alternately formed in sequence along the axial direction; and a plurality of second sealing rings 43 , respectively installed in the second concave rings, and a first concave ring 42 is provided between every two second sealing rings 43 .

As shown in FIG. 8, the second sealing ring 43 and the first concave ring 42 arranged alternately can make the second sealing ring 43 of the innermost first stage form a first-stage seal, because the optical cable 300 will be relatively The second sealing ring 43 slides, and a complete seal cannot be formed between the optical cable 300 and the second sealing ring 43, and some gas leaks from the chamber 2 through the second sealing ring 43 of the first stage, and the leaked gas enters the second sealing ring 43 of the first stage. A concave ring 42 . At this time, the first concave ring 42 of the first stage forms a relatively closed first-stage buffer air chamber, and the pressure in the first-stage buffer air chamber will be lower than the pressure in the chamber 2 .

After that, the second sealing ring 43 of the second stage forms a second-stage seal to the concave ring 42 of the first stage, and part of the gas leaks out of the first concave ring 42 of the first stage through the second sealing ring 43 of the second stage. The leaked gas enters the second concave ring 42 of the second stage. At this time, the second concave ring 42 of the second stage forms a relatively closed second-stage buffer gas chamber. The pressure will be less than the pressure in the first stage buffer chamber. In this way, after passing through the multi-stage second sealing ring 43 and the first concave ring 42 , the pressure of the leaked gas gradually decreases, and finally almost no gas leaks to the outside of the housing through the input device 4 . In order to facilitate the entry of the optical cable 300 into the input device 4 , a tapered second opening 411 is provided outside the input tube 41 .

In an exemplary embodiment, the input pipe 41 can be composed of two semi-cylindrical parts with an axially extending semi-circular depression, and the two semi-cylindrical parts are respectively placed in the first housing and the second housing, This facilitates the installation of the second sealing ring 43 . When the first housing 11 and the second housing 12 are combined, the two semi-cylindrical parts combine to form a cylindrical inlet pipe 41 and hold the second sealing ring 43 in the inlet pipe 41 .

According to an exemplary embodiment of the present invention, the optical cable installation device 100 further includes a distance adjusting device 8 for adjusting the distance between the driven wheel 5 and the driving wheel 6 .

More specifically, referring to FIGS. 5 , 9-13 , the distance adjusting device 8 includes: an adjusting rod 81 , which extends to the chamber 2 through the side wall of the second housing 12 parallel to the direction of gravity of the driven wheel 6 middle; the support frame 82 is connected with the adjustment rod 81 in the chamber 2; and the second support shaft 83 is installed on the support frame 82, and the driven wheel 6 is rotatably installed on the second support shaft 83, and the adjustment rod 81 can be The supporting frame 82 drives the driven wheel 6 to move up and down, thereby adjusting the distance between the driving wheel 5 and the driven wheel 6 . By operating the adjustment lever 81 , the driving wheel 5 and the driven wheel 6 can drive the optical cable 300 into the chamber 2 through cooperation, and the driven wheel 6 can prevent the optical cable 300 from being crushed.

In a further embodiment, the support frame 82 extends perpendicularly to the adjustment rod 81, the second support shaft 83 is installed at approximately the middle position of the support frame 82, and the first end 821 of the support frame 82 is pivotably mounted on the second housing 82 , the adjustment rod 81 is connected to the support frame 82 near the second end 822 of the support frame 82 . In this way, the first end 821 of the support frame 82 forms a fulcrum relative to the second end 822, and the adjustment rod 81 and the support frame 82 form a kind of lever mechanism relative to the first end 821. By operating the adjustment rod 81, the support frame can be 82 drives the driven wheel 5 mounted on the second supporting shaft 83 to move up and down, thereby adjusting the distance between the driving wheel 5 and the driven wheel 6 .

10 and 15, a first recess 121 is formed inside the second housing 12, the support frame 82 is accommodated in the first recess 121, and the first end 821 of the support frame 82 is in contact with the inner wall of the first recess 121. Pivotably coupled. Similarly, a second recessed portion 122 is formed inside the second housing 12 , and the first support shaft 56 for supporting the driving wheel 6 is formed in the second recessed portion 122 .

In an exemplary embodiment, a blocking protrusion 811 is provided on the adjustment rod 81, and the blocking protrusion 811 cooperates with the second housing 12, so that the adjustment rod 81 can rotate relative to the second housing 12, but prevents adjustment. The rod 81 moves up and down relative to the second housing 12 . Further, the adjustment rod 81 is threadedly combined with the support frame 82 near the second end 822, so that by rotating the adjustment rod 81, the support frame 82 can be driven to move relative to the first end 821 and drive the second support shaft 83 The driven wheel 5 on the top moves up and down. A compression spring 85 is provided at the place where the adjustment rod 81 is screwed with the support frame 82 , and the spring 85 can apply a biasing force to the support frame 82 .

A rotary handle 812 is provided on the top of the adjusting rod 81 to facilitate the rotation of the adjusting rod 81 . A positioning knob 84 is also provided at the second end of the supporting frame 82 , and the positioning knob 84 is screwed to the second casing 12 through the supporting frame 82 . By rotating the positioning knob 84 , the distance between the driven wheel 6 and the second housing 12 can be adjusted, so that the driven wheel 6 is aligned with the driving wheel 5 .

Further, on the outer rim of the driven wheel 6, a slip ring 61 with a suitable friction coefficient, such as made of polyurethane (polyurethane) or the like, is provided. Like this, even along with the increase of laying distance of optical cable 300, the resistance that optical cable 300 is subjected to increases, and the increase of difficulty of blowing in, because the slip ring 61 that polyurethane is made, will be between driving wheel 5, driven wheel 6 and optical cable 300 A slipping phenomenon occurs, thereby avoiding the optical cable 300 from being squeezed and damaged due to forced extrusion. In an alternative embodiment, a slip ring can also be provided on the driving wheel 5 .

In one embodiment, the air intake device 3 is provided with an adjustment device 31 for adjusting the intake air flow. Further, a display device that can display the pressure in the chamber 2 is provided, so that the pressure in the chamber 2 can be controlled at about 1.6 MPa according to the pressure in the displayed chamber 2 by operating the regulating device 31, so that the chamber 2 within a predetermined range to ensure that the optical cable 300 can be installed into the duct 400 smoothly.

According to a further exemplary embodiment of the optical cable installation device 100 of the present invention, see 14-16, at least one drying device 9 for absorbing moisture in the chamber 2 is provided in the chamber 2 . Specifically, at least one drying device 9 may be provided in at least one of the first recessed part 121 and the second recessed part 122 .

Generally, during operation, water vapor will be generated in the high-pressure gas in the chamber 2, and the water vapor may also enter the pipeline 400 with the gas and condense on the inner wall of the pipeline 400, increasing the viscosity of the inner wall of the pipeline 400 , the resistance increases, thereby affecting the distance that the optical cable 300 moves in the duct 400 by blowing air. By setting the drying device 9 in the chamber 2 , the other parts in the chamber 2 can be kept dry, so as to keep the inner wall of the pipe 400 smooth, which facilitates the installation of the optical cable 300 in the pipe 400 . In one embodiment, as shown in FIG. 16 , the drying device 9 includes a drying material 91 and an engaging layer 92 for combining the drying material 91 into the first recess 121 or the second recess 122 of the second housing 12 . One example of the drying material 92 includes calcium oxide solids, and the high-pressure gas flows in the chamber 2, and the gas is fully dried through the moisture absorption of the calcium oxide solids. Other materials with drying properties can also be used, and there is no special limitation here.

Calcium oxide solids can be formed as a thin layer of several millimeters, pasted on an engaging layer 92 such as double-sided tape, which is pasted in the second housing 12 . In an exemplary embodiment, a replaceable calcium oxide solid may be pasted inside the second housing 12 prior to assembly of the first housing 11 . It can be understood that the drying device 9 can also be pasted in the first casing 11 . The drying device 9 can fully dry the air in the chamber 2 to prevent water vapor from condensing on the inner wall of the pipe 400 , thereby enhancing the ability of the gas to blow the optical cable 300 .

Fig. 17 is a schematic plan view showing an optical cable installation device with the first housing removed according to another exemplary embodiment of the present invention. The optical cable installation device 100' of the second embodiment differs from the optical cable installation device 100 of the first embodiment in that it further includes a length sensor for detecting the length of the optical cable 300 delivered into the duct 400.

Further, the length sensor may include two roller sensors 10 installed on the inner side of the second housing 12, the optical cable 300 passes between the two roller sensors 10 and drives the roller sensors 10 to rotate, and the roller sensors 10 A counter for measuring the number of rotations of the rotating shaft (not shown) installed on the second housing 12 is installed. When blowing air into the duct 400 to convey the optical cable 300 , the driving wheel 5 and the driven wheel 6 will push the optical cable 300 , and the movement of the optical cable 300 will drive the roller sensor 10 to rotate synchronously. The length of the optical cable 300 installed in the duct 400 can be calculated according to the counted number of revolutions and the circumference of the roller by using an integrated module arranged in the counter.

Further, the display device arranged on the housing 1 can display the detected length of the optical cable 300 . In this way, it can help the staff to control the rotation speed of the driving wheel 6 and the air pressure in the chamber 2 of the optical cable installation device 100'.

In a further embodiment, as shown in Figures 2 and 3, the optical cable installation device 100 of the present invention also includes a transparent window 111 arranged on the first housing 11, and the transparent window is installed at the joint position of the driving wheel and the driven wheel. Near the corresponding position, the state of the optical cable 300 between the driving wheel 5 and the driven wheel 6 can be observed through the transparent window 111 .

The following mainly refers to 2 and 5 to describe the operation process of the optical cable installation device of the present invention.

First, by loosening the bolt assembly 13, the first housing 11 is disassembled from the second housing 12; the optical cable 300 is unwound from the reel (not shown) to a predetermined dimension, and the unwound optical cable 300 is passed through the input device 4 Insert into the chamber 2; operate the rotating handle 812 to make the driven wheel 6 leave the driving wheel 5 for a predetermined distance, so that the optical cable 300 passes between the driving wheel 5 and the driven wheel 6; operate the rotating handle 812 again to make the driving wheel 5 and The driven wheel 6 fits properly.

Afterwards, the pipe 400 is inserted into the insertion tube 71 of the output device 7; a part of the optical cable 300 is inserted into the pipe 400 through the output device 7; the first housing 11 is installed on the second housing 12, and the bolt assembly is tightened 13. Make the first housing 11 and the second housing 12 tightly combined; start the drive motor 51 to drive the driving wheel 5 to rotate, thereby driving the optical cable 300 to be further inserted into the pipeline 400; connect the high-pressure air source (not shown) to High-pressure gas is input into the chamber 2 to blow the optical cable 300 into the duct 400 ; finally, the optical cable 300 is installed into the duct 400 .

According to the above-mentioned various embodiments of the optical cable installation equipment of the present invention, by using the distance adjustment device to adjust the distance between the driving wheel and the driven wheel, the driven wheel can be prevented from crushing the optical cable; since the driving device is installed in the high-pressure chamber The interior of the fiber optic cable can be pulled into the chamber and provide a thrust for the installation of the fiber optic cable in the duct. The gas of the chamber is prevented from leaking to the outside in length.

Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can improve them, and the structures described in various embodiments do not conflict with each other in terms of structure or principle Under the circumstances, free combination can be carried out, so as to realize more kinds of electrical connectors on the basis of solving the technical problem of the utility model.

After describing the preferred embodiments of the present utility model in detail, those skilled in the art can clearly understand that various changes and changes can be made without departing from the scope and spirit of the appended claims, and the utility model also Implementation is not limited to the exemplary embodiments set forth in the specification. It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Additionally, any element references in the claims should not be construed as limiting the scope of the present invention.

Claims (12)

1. An optical cable installation device for installing an optical cable into a duct, characterized in that it comprises: Blowing device, including high-pressure air source, air inlet device, be connected with described pipeline to deliver the output device of gas in described pipeline, and be used for the input device that introduces optical cable in the blowing device; A driving device for introducing the optical cable into the blowing device through the input device, the driving device includes: driving wheels; and a driven wheel cooperating with said drive wheel to pull the fiber optic cable clamped therebetween; and The distance adjusting device is used for adjusting the distance between the driven wheel and the driving wheel. the 2. The optical cable installation device according to claim 1, wherein the air blowing device further comprises: the first shell; and The second housing, the second housing is detachably combined with the first housing to form a closed chamber, the driving wheel and the driven wheel are installed in the first housing in the chamber body and the cavity formed by the second housing. the 3. Optical cable installation device according to claim 2, characterized in that, The driving device also includes: drive motor; and The pinion gear is located in the chamber and is installed on the driving shaft of the driving motor, and the driving wheel includes: a wheel disc rotatably mounted on a first support shaft provided inside the second housing; and an annular portion, the outer side of which cooperates with the driven wheel, and the inner side of the annular portion is formed with internal teeth, the internal teeth meshing with the pinion, so that the pinion drives the annular portion to rotate . the 4. The optical cable installation device according to any one of claims 2-3, wherein the distance adjusting device comprises: an adjusting rod extending into the chamber through the side wall of the second housing parallel to the direction of gravity of the driven wheel; a support frame, connected within the chamber to the adjustment rod; and The second support shaft is installed on the support frame, and the driven wheel is rotatably installed on the second support shaft. the 5. The optical cable installation device as claimed in claim 4, wherein the support frame extends perpendicularly to the adjustment rod, the second support shaft is installed at a substantially middle position of the support frame, and the first end of the support frame is pivotable Rotationally mounted inside the second housing, the adjustment rod is connected to the support frame near the second end of the support frame. the 6. The optical cable installation device according to claim 5, wherein a first recess is formed inside the second housing, the support frame is accommodated in the first recess, and the first end of the support frame is in contact with the first end of the support frame. The inner walls of the first recess are pivotably coupled. the 7. The optical cable installation device according to claim 5, wherein a blocking protrusion is provided on the adjusting rod, and the blocking protrusion cooperates with the second housing so that the adjusting rod can rotate relative to the second housing , and prevent the adjustment rod from moving up and down relative to the second housing. the 8. The fiber optic cable installation apparatus of claim 7, wherein the adjustment rod is threadedly engaged with the support frame near the second end. the 9. The optical cable installation device according to claim 8, characterized in that, a compression spring is provided at the place where the adjusting rod is screwed with the support frame, so as to exert a biasing force on the support frame. the 10. The optical cable installation device according to claim 5, wherein a rotating handle is provided on the upper part of the adjusting rod. the 11. The optical cable installation device according to claim 5, wherein a positioning knob is provided at the second end of the supporting frame, and the positioning knob is screwed to the second housing through the supporting frame. the 12. The optical cable installation device according to claim 1, wherein a sliding ring is provided on the outer rim of at least one of the driven wheel and the driving wheel, so that when the resistance of the optical cable increases, the driving wheel There is slippage between the pulley, driven pulley and optical cable. the