CN216460319U

CN216460319U - Cable cleaning system

Info

Publication number: CN216460319U
Application number: CN202122598507.XU
Authority: CN
Inventors: 温都苏; 李崇剑; 黎宏块; 张继付; 吴昊; 柴生正
Original assignee: China General Nuclear Power Corp; China Nuclear Power Technology Research Institute Co Ltd; CGN Power Co Ltd
Current assignee: China General Nuclear Power Corp; China Nuclear Power Technology Research Institute Co Ltd; CGN Power Co Ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-05-10
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses a cable cleaning system, which comprises a cable connecting pipe connected with a cable pipeline, a cleaning device for cleaning a cable and a control device for controlling the cleaning device; the sweeping device is provided with a cable inlet and a cable outlet; one end of the cable connecting pipe is provided with a cable pipeline joint detachably connected with the cable pipeline, and the other end of the cable connecting pipe is provided with a cleaning device joint detachably connected with the cleaning device. The cleaning device can be connected with the cable pipeline through the cable connecting pipe, so that the cleaning device can be connected into the cable pipeline, and is more suitable for cleaning cables with the cable pipeline, such as neutron detectors and the like.

Description

Cable cleaning system

Technical Field

The utility model relates to the field of cables, in particular to a cable cleaning system.

Background

For electrical devices, the electrical devices are usually driven by means of cable power supply, and when cleaning longer cables, cable cleaning devices are required. The cable cleaning device is generally configured to allow a cable to pass therethrough, and a cleaning structure for cleaning the cable passing therethrough is provided inside the cable cleaning device. The cable may have dust on it after a period of use, so a dust suction device may also be provided in connection with the cable cleaning device.

Part of special cables such as cables of neutron detectors, etc. the outer surface of the cable is contaminated by radioactive dust, and such cables are usually arranged in a cable duct for running, and the cable is protected by the cable duct and is prevented from leaking out of the radioactive dust. The cable cleaning device mainly cleans the exposed cable, and the exposed cable directly passes through the cable cleaning device, obviously, the traditional cable cleaning device is not suitable for cleaning the special cable which needs to be arranged in the cable duct.

The patent CN210386684U discloses a dust collecting and removing device for cable production, which has a semi-circular positioning ring with a spring, and a cable can be accommodated between the two semi-circular rings, so that the device can be applied to cables of different types. The semicircular ring is internally provided with a device for cleaning the cable, and the air pump and the dust suction box are connected with the device for cleaning the cable to absorb dust. The cable cleaning device of this patent is used to clean bare cables and is not suitable for use with cables disposed in cable ducts as described above.

At present, patent CN202034122U discloses a cable surface cleaning device, which can effectively remove the residual fine dust and strips on the surface of the cable after twisting the cable harness. The technical scheme includes that the device comprises a closed hollow box body, holes for the cables to penetrate through are formed in the side wall of the box body relatively, a cleaning mechanism is arranged inside the box body, and a recovery mechanism for collecting fine cable scraps is connected below the cleaning mechanism. However, the cleaning device only cleans the exposed cable and cannot be connected with the cable duct.

In summary, a cable cleaning system that can be connected to a cable duct to clean cables in the cable duct is lacking.

In view of the above technical problems, the present patent is particularly proposed.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a cable cleaning system to solve the problem that a cable cleaning system which can be connected with a cable duct is lacked in the prior art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a cable cleaning system including a cable connection pipe connected to a cable duct, a cleaning device cleaning a cable, and a control device controlling the cleaning device; the sweeping device is provided with a cable inlet and a cable outlet; one end of the cable connecting pipe is provided with a cable pipeline joint detachably connected with the cable pipeline, and the other end of the cable connecting pipe is provided with a cleaning device joint detachably connected with the cleaning device. The cleaning device can be connected with the cable pipeline through the cable connecting pipe, so that the cleaning device can be connected into the cable pipeline, and is more suitable for cleaning cables with the cable pipeline, such as neutron detectors.

Furthermore, the cleaning device comprises a cleaning box, the two opposite walls of the cleaning box are respectively provided with the cable inlet and the cable outlet, the cable inlet and the cable outlet are respectively provided with the cable connecting pipes, and the cable connecting pipes are respectively connected with different sections of pipelines in the cable pipeline. The cable inlet and the cable outlet of the cleaning box are respectively connected with the cable pipeline, namely the cleaning box can be connected into the cable pipeline, so that the cable passes through the cleaning box and is cleaned by the cleaning box.

Furthermore, the cable connecting pipe is a bent stainless steel pipe with a prefabricated radian. For neutron detector systems, the cable is usually a steel multi-layer cable, which results in a minimum bending radius of the cable, so the cable conduit is usually a prefabricated arc conduit, and the corresponding cable connecting pipe connected with the cable conduit also has a prefabricated arc bend.

Furthermore, a cable pipe which is connected with the cable connecting pipes at two ends of the cleaning box is arranged in the cleaning box; the cable pipe is communicated with the cable pipeline through a cable connecting pipe to form a pipeline for the cable to pass through. For the neutron detector system, the cable tube is also arranged in the cleaning box, so that the cable can also pass through the cable tube in the cleaning box, and radioactive dust is prevented from scattering in the cleaning box when the cable is exposed outside and passes through the cleaning box.

Furthermore, an opening is formed in the cable tube, cleaning structures are arranged in the cleaning box and at positions opposite to the opening, and the cleaning structures clean cables penetrating through the cable tube. The cable inside the cable tube can be cleaned through the opening.

Furthermore, the openings are more than two, and the openings are arranged on the cable tube in a staggered mode. A plurality of openings are provided to ensure that the cable can be cleaned from multiple directions.

Furthermore, the opening is three, opening evenly distributed in the axial of cable pipe, and be in the week of cable pipe is 120 contained angles and staggers the arrangement. The arrangement mode of the three openings on the cable tube enables different positions of the cable embedded in the cable tube to be cleaned.

Furthermore, the cleaning structure comprises a brush roller, the brush roller is arranged opposite to the opening, and at least part of bristles on the brush roller can extend into the cable tube from the opening and contact with the cable penetrating through the cable tube; the brush roll is sleeved on the rotating shaft, the rotating shaft is consistent with the extending direction of the cable tube, and fixing frames at two ends of the rotating shaft are arranged on the wall surfaces of the cleaning box, which are provided with the cable inlet and the cable outlet. The cleaning structure can be specifically set as a brush roll, and the cleaning of the cable is realized by utilizing the rotating brush roll.

Further, the bottom of the cleaning box is connected with a tripod, and the height of the tripod is adjustable; the driving device comprises a driving belt and a motor; the rotating shafts are driven by the driving belt to rotate, and the driving belt is driven by the motor; the side part of the tripod is provided with a motor support, and the motor support is used for fixing the motor.

Furthermore, the cable cleaning system also comprises a dust suction device and a dust suction connecting pipe, wherein two ends of the dust suction connecting pipe are respectively detachably connected to the cleaning device and the dust suction device; the dust collection device comprises a dust collection box, a HEPA filter and suction force generation equipment which are sequentially arranged from the position close to the dust collection connecting pipe to the position far away from the dust collection connecting pipe.

Furthermore, the control device comprises a remote control box for controlling the cleaning box, and the remote control box is connected with the cleaning box through a power supply cable. Through the setting of remote control box, can realize the remote control to cleaning the box, make operating personnel need not be close to the region that emittance pollutes probably to appear, avoid operating personnel to receive the emittance and pollute.

Furthermore, the cable pipeline joint and the cleaning device joint are of the same type.

The cable cleaning system provided by the utility model is particularly suitable for cleaning the cable of a neutron detector system, and has the following advantages compared with the conventional cable cleaning system:

1. a sweeping device in the cable cleaning system can be connected with the cable duct and can clean the cable in the cable duct. Need not reform transform former cable duct when installation cleaning device like this, only need be in the embedded cleaning device of former cable duct, convenient to use.

2. The cable cleaning system is characterized in that a cable pipe is arranged in a cleaning box of the cable cleaning system and is connected with a cable pipeline outside the cleaning box through a cable connecting pipe, so that the cable runs in the pipeline all the time in the cleaning box or outside the cleaning box, and the cable is prevented from being exposed outside and causing radioactive pollution.

3. The cable connecting pipe in the cable cleaning system is convenient to be connected with a cable pipeline due to the prefabricated radian. And the internal structure of the cleaning box in the cable cleaning system is reasonably arranged, and different positions and different directions of the cable can be cleaned simultaneously through the rotating brush roller, so that the cleaning effect is ensured.

4. The cleaning box in the cable cleaning system is connected with the dust suction device, and radioactive dust on the cable is absorbed and collected through the dust suction device, so that radioactive pollution caused by the radioactive dust is prevented.

5. The cleaning box in the cable cleaning system can be remotely controlled through the remote control box, so that an operator can realize control without being close to the cleaning box, and the operator is far away from an area possibly polluted by radioactivity.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 shows a perspective view of a cable cleaning system according to the present invention; and

FIG. 2 shows a side view of a cable cleaning system according to the present invention; and

FIG. 3 shows a schematic view from above of the inside of the cleaning box according to the present invention; and

figure 4 shows a schematic side view of a cleaning cartridge according to the utility model.

Wherein the figures include the following reference numerals:

1. a cable; 2. a cable connecting pipe; 3. a cable inlet; 4. a cable outlet; 5. cleaning the box; 6. a cable duct; 7. an opening; 8. a brush roll; 9. a rotating shaft; 10. a tripod; 11. a drive belt; 12. a motor; 13. a dust collection connecting pipe; 14. a dust suction device.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The present invention is described in further detail below with reference to specific examples, which are not to be construed as limiting the scope of the utility model as claimed.

Current cable cleaning systems are primarily directed to cleaning bare cables, and there is a lack of cable cleaning systems that can clean cables disposed in a cable duct, and there is also a lack of sweeping devices that can be integrated with the cable duct. For special systems such as neutron detector systems, cables are all arranged in cable ducts, and particularly, a cable cleaning system capable of cleaning the cables arranged in the cable ducts is needed. Therefore, in order to solve the above technical problems, the present invention provides a cable cleaning system.

Example 1

The cable cleaning system provided by the embodiment comprises a cable connecting pipe 2 connected with a cable pipeline, a cleaning device for cleaning a cable 1, a control device for controlling the cleaning device, and a driving device for driving the cleaning device to clean the cable. The cleaning device is provided with a cable inlet 3 and a cable outlet 4; cable connection 2 one end has the cable duct joint of being connected with cable duct 1 can dismantle, cable connection 2's the other end have with cleaning device that cleaning device can dismantle the connection connects. Preferably, the cable duct joint and the cleaning device joint are the same type of joint, so that the processing and/or purchasing of components in the cable cleaning system are facilitated. The cleaning device can be directly connected with the cable duct through the cable connecting pipe 2, and the cable 1 in the cable duct can pass through the cleaning device through the cable inlet 3 and the cable outlet 4 which are respectively arranged on the cleaning device, so that the cable 1 passing through the cleaning device is cleaned by the cleaning device.

For neutron detector systems, the drive cable that drives the neutron detector is typically routed within a stainless steel cable duct to effect the movement of the neutron detector. The cleaning device in the cable cleaning system provided by the embodiment can be connected with the cable duct through the cable connecting pipe 2 so as to clean the driving cable. As shown in fig. 1-4, the cleaning device includes a cleaning box 5, the cable inlet 3 and the cable outlet 4 are respectively disposed on two opposite wall surfaces of the cleaning box 5, the cable connecting pipes 2 are respectively disposed at the cable inlet 3 and the cable outlet 4, and the cable connecting pipes 2 are respectively connected to different sections of the cable pipes. That is, the cable connecting pipes 2 connected with different sections of the cable pipeline are respectively arranged at the positions of the cable inlet 3 and the cable outlet 4 at the two ends of the cleaning box 5, so that the cable pipeline and the cleaning box 5 at different sections jointly form a channel through which a cable can pass. Equivalently, the cleaning box 5 is embedded in the cable duct to form a part of the cable duct, and along with the movement of the neutron detector, the driving cable moves in the duct formed by the cleaning box 5 and different sections of cable ducts together, so that the driving cables 1 of different sections continuously pass through the cleaning box 5 and are cleaned by the cleaning box 5, and the cleaning effect is realized. Clean box 5 and link to each other with the cable duct through cable connecting pipe 2, need not pass through any transformation to the cable duct, alright direct access cleans box 5 and cleans cable 1.

Preferably, the cable connection pipe 2 is a bent stainless steel pipe with a pre-formed arc. When a part of the cable is made of a multi-layer steel structure, such as the drive cable of the neutron detector, the minimum bending radius is required when the cable needs to be bent, and when the minimum bending radius is too small, the cable made of the multi-layer steel structure cannot be bent. Therefore, in order to facilitate the smooth bending of the cable, the cable duct can be made of stainless steel pipes with prefabricated radian. And because cable connecting pipe 2 needs to link to each other with cable duct, so cable connecting pipe 2 should also set up to the pipeline of prefabricated radian to the in-process that makes the cable move in cable duct can not appear the circumstances of jam, the operation is smooth.

Some cables may be contaminated with radioactive substances or chemically dangerous dust, etc., and such cables need to be run in a pipeline to avoid dangerous dust leakage. For example, in the case of a neutron detector, radioactive substances may be contained in a drive cable, and the drive cable is embedded in a cable duct and runs through the cable duct. With the cable cleaning system provided in the present embodiment, when the drive cable is located outside the cleaning box 5, the drive cable can pass through the cable duct, and only when the drive cable is located at a position inside the cleaning box 5, the drive cable may be exposed. Therefore, the cable tube 6 can be arranged in the cleaning box 5, so that the driving cable is positioned in the cable tube 6 to pass through when the cleaning box 5 moves, and radioactive substances on the driving cable are prevented from being scattered in the cleaning box 5, and the cleaning box 5 is prevented from being polluted by the radioactive substances. As shown in fig. 1 to 4, a cable tube 6 connecting the cable connection tubes 2 at both ends of the cleaning box 5 is provided in the cleaning box 5; the cable pipe 6 is communicated with the cable pipeline through the cable connecting pipe 2 to form a pipeline for the cable to pass through. I.e. the cable duct 6 can communicate with the cable duct, forming a duct for the movement of the drive cable inside the cleaning box 5. Other cables which may contain hazardous substances can also be passed through the cleaning box 5 via the cable duct 6.

Since the cable in the cleaning box 5 is located in the cable tube 6, the cleaning box 5 should be provided with an opening 7 on the cable tube 6 in order to clean the cable in the cable tube 6, and further, the cleaning of the internal cable is realized through the opening 7. Specifically, clean in the box 5, with the position that opening 7 is relative all sets up clean structure, clean structure clean and wear to establish cable in cable duct 6. The sweeping structure may be in contact with the cable through the opening 7 to effect cleaning of the cable.

Preferably, the number of the openings 7 is more than two, and the openings 7 are arranged on the cable tube in a staggered mode. Openings 7 are provided at various locations on the cable tube 6 so that the cleaning structure can simultaneously clean cables at different locations. Further preferably, the number of the openings 7 is three, and the openings 7 are uniformly distributed in the axial direction of the cable tube 6 and are arranged in a staggered manner at an included angle of 120 degrees in the circumferential direction of the cable tube 6. So that cable portions located at different axial positions and cable portions located at different radial directions within the cable tube 6 can be cleaned by the cleaning structure. The circumference of the cable is 360 deg., and two of the three openings 7 are spaced 120 deg. apart, so that the cleaning structure provided at the three openings 7 can substantially encircle the circumference of the cable. That is, the position of the opening 7 and the cleaning structure in the embodiment is reasonably arranged, so that the cleaning structure covers more areas in the moving cable, thereby ensuring that the cable in the cleaning box 5 can be cleaned by the cleaning structure.

The cleaning structure comprises a brush roller 8, the brush roller 8 is arranged opposite to the opening 7, and at least part of bristles on the brush roller 8 can extend into the cable tube 6 from the opening 7 and contact with a cable arranged in the cable tube 6 in a penetrating mode. The brush roller 8 is sleeved on the rotating shaft 9, the rotating shaft 9 and the cable tube 6 are consistent in extending direction, and fixing frames at two ends of the rotating shaft 9 are arranged on the wall surfaces of the cable inlet 3 and the cable outlet 4 of the cleaning box 5. The brush hair of the brush roller 8 is nylon, and the brush hair of the nylon is continuously swept to the cable by the rotation of the brush roller 8 through the rotating shaft 9, so that the cable is cleaned. And the above-mentioned opening 7 and brush roller 8 are arranged in the cleaning box 5 in such a manner that the cable running through the cleaning box 5 can always be cleaned by the rotating brush roller 8.

As shown in fig. 1 to 4, a tripod 10 is attached to the bottom of the cleaning box 5, and the cleaning box 5 is supported by the tripod 10, and the tripod 10 is adjustable in height, thereby making the cleaning box 5 adjustable in height for connection with a cable duct. The driving device comprises a driving belt 11 and a motor 12, a plurality of rotating shafts 9 are driven to rotate by the driving belt 11, and the driving belt 11 is driven by the motor 12. The technical means of driving the rotating shaft 9 to rotate by the motor 12 and the driving belt 11 is common and the transmission is stable. The top of the tripod 10 is provided with a motor support, the motor 12 is fixed by the motor support, the structure of the tripod 10 is stable, and the cleaning box 5 and the motor 12 can be stably supported.

The clean system of cable that this embodiment provided can conveniently link to each other with cable duct, cleans the cable of inlaying in cable duct to the inside of cleaning box 5 has cable pipe 6, makes the cable move and accept cleanly in the pipeline all the time, has dangerous material such as radioactive substance to leak on the avoidance cable.

Example 2

The present embodiment provides a cable cleaning system having a dust suction device 14 and a dust suction connection pipe 13 on the basis of the above embodiments. Two ends of the dust suction connecting pipe 13 are detachably connected to the cleaning device and the dust suction device 14 respectively, that is, the cleaning device can be connected with the dust suction device 14 through the dust suction connecting pipe 13, so that dust generated in the process of cleaning the cable can be sucked by the dust suction device 14. The drive cable is particularly suitable for the neutron detector, radioactive substances may be attached to the drive cable in the process of running in the pipeline, if the radioactive substances are not collected by the dust suction device, the radioactive substances move to the storage drum along with the drive cable, and the radioactive substances can pollute the reactor core instrument room where the drive mechanism is located, so that the radioactivity level of the reactor core instrument room is obviously improved, and danger is caused.

As shown in fig. 1 to 4, the dust suction device 14 includes a dust box, a HEPA filter, and a suction force generating device, which are sequentially arranged from a proximal side to a distal side from the dust suction connection pipe 13. That is, the air in the cleaning device flows into the dust suction device 14 by the suction force generated by the suction force generating means, and the dust is isolated in the dust box due to the filtering action of the HEPA filter. Therefore, the radioactive dust can be collected in the dust collecting box for centralized treatment, and the pollution of the radioactive dust to the outside is avoided.

Example 3

The embodiment provides a cable cleaning system capable of being remotely controlled on the basis of the above embodiment. The control device of the cable cleaning system comprises a remote control box for controlling the cleaning box 5, and the remote control box is connected with the cleaning box 5 through a power supply cable. Preferably, the length of the power supply cable may be set to be more than 10m, so that the operator can control the cable cleaning system to clean the cable at a position far away from the cable cleaning system, for example, the operator can control the cable cleaning system in a control room. The situation that the operator is close to the area containing the radioactive substances is avoided, and the safety of the operator is prevented from being harmed by the radioactive substances.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

1. the cable cleaning system provided by the utility model can be connected with a cable pipeline, and the cable cleaning system is spliced into one part of the cable pipeline, so that a cable in the cable pipeline can conveniently pass through the cable cleaning system and be cleaned. Cleaning device in the cable cleaning system passes through the cable junction pipe and links to each other with cable duct, and the cable junction pipe sets up rationally for cable duct need not transform alright directly link to each other with cable cleaning system.

2. The cable tube is arranged in the cleaning box, and two ends of the cable tube are respectively connected with the cable connecting tubes, so that the cable can pass through the cable tube in the cleaning box, and radioactive substances on the cable are prevented from polluting the cleaning box. And the cable tube is provided with an opening so that the brush roller can extend into the cable tube and clean the cable. The opening and the brush roller are arranged reasonably, so that the surface of the cable can be conveniently and completely covered and cleaned.

3. The cable cleaning system provided by the utility model comprises the dust suction device, and can be used for collecting dust generated by the cleaning device, particularly radioactive dust, so that pollution caused by the radioactive dust is avoided.

4. The cable cleaning system can be remotely controlled, so that an operator can be controlled far away from an area containing radioactive substances, and the safety of the operator is guaranteed.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cable cleaning system is characterized by comprising a cable connecting pipe (2) connected with a cable pipeline, a cleaning device for cleaning a cable (1) and a control device for controlling the cleaning device;

the cleaning device is provided with a cable inlet (3) and a cable outlet (4);

one end of the cable connecting pipe (2) is provided with a cable pipeline joint detachably connected with a cable pipeline, and the other end of the cable connecting pipe (2) is provided with a cleaning device joint detachably connected with the cleaning device;

the cable cleaning system is also provided with a driving device for driving the sweeping device to clean the cable.

2. The cable cleaning system according to claim 1, wherein the cleaning device comprises a cleaning box (5), the cable inlet (3) and the cable outlet (4) are respectively arranged on two opposite wall surfaces of the cleaning box (5), the cable connecting pipes (2) are respectively arranged at the cable inlet (3) and the cable outlet (4), and the cable connecting pipes (2) are respectively connected with different sections of the cable pipeline.

3. A cable cleaning system according to claim 2, characterized in that the cable connection tube (2) is a pre-curved stainless steel tube.

4. A cable cleaning system according to claim 2, characterized in that a cable tube (6) connecting the cable connection tubes (2) at both ends of the cleaning box (5) is provided in the cleaning box (5);

the cable pipe (6) is communicated with the cable pipeline through a cable connecting pipe (2) to form a pipeline for the cable to pass through.

5. Cable cleaning system according to claim 4, characterized in that an opening (7) is provided in the cable tube (6), and cleaning structures are provided in the cleaning box (5) opposite to the opening (7), which clean the cable passing through the cable tube (6).

6. Cable cleaning system according to claim 5, wherein the openings (7) are two or more, the openings (7) being staggered over the cable duct.

7. Cable cleaning system according to claim 6, wherein the number of the openings (7) is three, and the openings (7) are uniformly distributed in the axial direction of the cable tube (6) and are staggered by 120 ° in the circumferential direction of the cable tube (6).

8. The cable cleaning system according to any one of claims 5 to 7, wherein the cleaning structure comprises a brush roller (8), the brush roller (8) being arranged opposite the opening (7), at least a part of the bristles of the brush roller (8) being extendable from the opening (7) into the cable duct (6) and contacting the cable inserted in the cable duct (6);

the brush roller (8) is sleeved on the rotating shaft (9), the rotating shaft (9) is consistent with the extending direction of the cable tube (6), and fixing frames at two ends of the rotating shaft (9) are arranged on the wall surfaces of the cable inlet (3) and the cable outlet (4) of the cleaning box (5).

9. Cable cleaning system according to claim 8, characterized in that a tripod (10) is arranged below the sweeping box (5), the tripod (10) being height-adjustable;

the driving device comprises a driving belt (11) and a motor (12);

the rotating shaft (9) is driven by the driving belt (11) to rotate, and the driving belt (11) is driven by the motor (12);

the top of the tripod (10) is provided with a motor support, and the motor support is used for fixing the motor (12).

10. The cable cleaning system according to any one of claims 1 to 7, further comprising a dust suction device and a dust suction connection pipe (13), both ends of the dust suction connection pipe (13) being detachably connected to the sweeping device and the dust suction device (14), respectively;

the dust suction device (14) comprises a dust collection box, a HEPA filter and a suction force generation device which are sequentially arranged from near to far away from the dust suction connecting pipe (13).

11. Cable cleaning system according to any one of claims 2-7, wherein the control means comprise a remote control box for controlling the cleaning box (5), which remote control box is connected to the cleaning box (5) by means of a power supply cable.

12. The cable cleaning system of any one of claims 1-7, wherein the cable duct joint and the sweeping device joint are the same type of joint.