CN111853423A - A pipeline branch detection system - Google Patents

Abstract

The invention relates to a pipe branch detection system, comprising a detection device, a walkable crawler, a branch pipe cable device and a main pipe cable device. The detection device is located at one end of the crawler and is used for detecting the branch pipe, the branch pipe cable device and the main line The cable devices are located at the other end of the crawler, which are used to store cables. One end of the cable on the branch cable device is connected to the detection device, and one end of the cable on the main cable device is connected to the crawler; the crawler is used to push The cable on the branch pipe cable device drives the detection device to move. The beneficial effect of the invention is that it is mainly applied to the detection of pipelines in various complex environments in water or silt, especially the detection of small-diameter and dark pipelines without inspection wells, and can also be applied to ordinary pipelines, with application prospects Broadly, at present, there is no suitable detection equipment in this field in China, and the present invention fills the blank in this field in China.

Description

A pipeline branch detection system

technical field

The invention relates to the technical field of pipeline branch pipe detection, in particular to a pipeline branch pipe detection system.

Background technique

Pipeline endoscopy testing equipment has been widely used in drainage pipelines, power pipelines, non-destructive testing, municipal, archaeological and other industries. It is mainly used for rapid detection and diagnosis of petroleum and petrochemical and municipal drainage pipelines. The equipment is equipped with a powerful lighting source and a portable control system, which is very suitable for field and mobile workplaces. work location. CCTV is a pipeline endoscopy camera inspection equipment, which consists of a main controller, a cable reel, a crawler, and a lens. By operating the man-machine interface of the main controller, the crawler can be controlled to walk in the pipeline, the crawler is equipped with a camera, and the crawler walks in the pipeline. At the same time, the internal images of the pipeline collected are transmitted to the main controller in real time through the cable for real-time monitoring and storage. When monitoring the image, if the pipeline is found to be damaged, it can be identified by inputting characters through the keyboard of the main controller, and superimposed on the video in real time to realize the equipment for video storage.

At present, the CCTVs on the market all use wheeled pipeline detection devices, which are mainly used for the detection of pipelines with inspection wells, and cannot be detected for those without inspection wells; The diameter of the pipeline is small, and the traditional pipeline crawler cannot enter and detect, and the rigid push rod pipeline endoscope for small pipeline detection cannot accurately enter the branch pipeline, so that the branch pipeline detection cannot be carried out.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a pipeline branch detection system, which aims to solve the above-mentioned technical problems.

The technical scheme that the present invention solves the above-mentioned technical problems is as follows:

A pipeline branch pipe detection system, comprising a detection device, a walkable crawler, a branch pipe cable device and a main pipe cable device, the detection device is located at one end of the crawler and is used for detecting branch pipes, the branch pipe cable device The main cable device and the main cable device are both located at the other end of the crawler, which are both used for receiving cables. One end of the cable on the branch pipe cable device is connected to the detection device, and the main cable device is connected to the detection device. One end of the cable is connected with the crawler; the crawler is used to push the cable on the branch pipe cable device and drive the detection device to move.

The beneficial effects of the present invention are: during detection, the branch pipe cable device and the main pipe cable device provide cables for the detection device and the crawler respectively, and the crawler can push the cables on the branch pipe cable device forward to realize the detection device. Long-distance movement in the pipeline; in addition, the crawler can accurately send the detection device into the branch pipeline, so as to detect the branch pipeline with high accuracy. The invention has a compact structure, can realize the long-distance movement of the detection device in the pipeline, and can accurately enter the small-diameter branch pipeline for detection, with high precision; the invention is mainly applied to the detection of pipelines in various complex environments in water or silt. , especially the detection in small-diameter and dark pipelines without inspection wells, and can also be applied to ordinary pipelines, with broad application prospects. At present, there is no suitable detection equipment in this field in China. blanks within the field.

On the basis of the above technical solutions, the present invention can also be improved as follows.

Further, the crawler includes a vehicle body on which a pushing device for pushing the cable from one end to the other end is installed, and at least one device for monitoring the push of the cable is installed on the vehicle body Status monitoring device.

The beneficial effect of adopting the above-mentioned further scheme is that the pusher pushes the cable, so that the cable can be transported forward; through the cooperation of the above-mentioned vehicle body and the pusher, the cable can be transported in the pipeline for a long distance, so as to realize the detection of the pipeline, especially It is the detection in the pipeline with small diameter and dark light; during the cable push process, the monitoring device monitors the cable push status in real time, so that the staff can know the cable push status in time.

Further, a cup and bowl are installed at one end of the vehicle body close to the detection device, and the cup and bowl are located between the detection device and one end of the vehicle body, which can be in the vertical direction and the horizontal direction respectively. Rotating; one end of the cup and bowl is open, and the other end is provided with a threading hole for the cable to pass through, and one end of the cable is connected to the detection device after passing through the threading hole.

The beneficial effect of adopting the above-mentioned further solution is to realize the rotation of the cup and bowl in the vertical direction and the horizontal direction, so as to be suitable for the detection of different branch pipes, and the application range is wide.

Further, an installation channel is fixed horizontally at a position close to one end of the vehicle body, and one end of the installation channel close to one end of the vehicle body is open; a fixed sleeve is rotatably installed in the installation channel, A drive assembly for driving the cup and bowl to rotate in a vertical direction is installed in the fixed sleeve.

The beneficial effect of adopting the above-mentioned further solution is to drive the cup and bowl to rotate by 0-90° in the vertical direction through the drive assembly, and at the same time, the fixed sleeve drives the drive assembly and the cup and bowl to rotate by means that those skilled in the art can think of, so as to realize The cup and bowl are rotated 360° in the horizontal direction, so as to adjust the angle of the cup and bowl, so as to be suitable for the detection of different branch pipes, with a wide range of use and convenient use.

Further, the drive assembly includes a screw rod, which is horizontally rotatably installed in the fixed sleeve, and a screw rod sleeve is threaded on the screw rod; one end of the screw rod sleeve horizontally extends out of the fixed sleeve. The open end of the installation channel is connected to the cup and bowl through at least one vertical rotating rod, and the two ends of the vertical rotating rod rotate with one end of the screw sleeve and the other end of the cup and bowl respectively. connect.

The beneficial effect of adopting the above-mentioned further scheme is that the screw rotates and converts its own rotation into the linear movement of the screw sleeve, and the screw sleeve drives the cup and bowl to rotate in the vertical direction through the vertical rotation rod, thereby changing the position of the cup and bowl in the vertical direction. The angle in the vertical direction is suitable for the detection of different small-diameter branch pipes, and the structure is simple and the operation is simple.

Further, the fixed sleeve outer sleeve is provided with a horizontally rotatable rotating sleeve, one end of the rotating sleeve horizontally extends out of the open end of the installation channel, and is connected to the cup through at least one horizontal rotating rod. The bowl is connected, and the two ends of the horizontal rotating rod are respectively rotatably connected with one end of the rotating sleeve and the other end of the cup and bowl.

The beneficial effect of adopting the above-mentioned further solution is to rotate the rotating sleeve in a way that those skilled in the art can think of, and drive the horizontal rotating rod, the fixed sleeve and its internal components to rotate 360°, thereby changing the angle of the cup and bowl in the horizontal direction , in order to be suitable for the detection of different small-diameter branch pipes, with simple structure and easy operation.

Further, the monitoring device includes a camera and an illuminating lamp for illuminating the camera, the camera is fixedly installed on one end of the upper surface of the vehicle body, and its lens faces outside of one end of the vehicle body; so The lighting lamp is fixedly installed on one end of the upper surface of the vehicle body, which faces the outside of one end of the vehicle body, and is located on the side of the camera, and the cable is located between the camera and the lighting lamp. .

The beneficial effect of adopting the above-mentioned further scheme is to collect the picture pushed by the cable in real time through the camera, and send the corresponding video to the controller. The controller receives the corresponding video, and judges and analyzes whether the push of the cable is faulty so that the staff can timely Understand the specific situation of cable push; in the process of cable push monitoring, the camera is illuminated by lights to improve the quality of the video collected by the camera, so that the controller can more accurately analyze and judge the specific situation of cable push, with higher accuracy .

Further, the pushing device includes at least one driving wheel and a driven wheel corresponding to the driving wheel one-to-one, and the driving wheel and the driven wheel are oppositely arranged on the carrying vehicle body along a direction perpendicular to the cable pushing direction The cables are respectively connected to the vehicle body in horizontal rotation; the cables are located between the driving wheels and the driven wheels, and the two sides of the cables are respectively attached to the driving wheels and the driven wheels.

The beneficial effect of adopting the above-mentioned further scheme is that in the process of pushing the cable, the driving wheel is rotated in a way that those skilled in the art can think of, and the driving wheel utilizes the friction force between it and the cable and between the cable and the driven wheel Drive the cable to move, so as to realize the transportation of the cable, the structure is simple, and the transportation is convenient.

Further, the branch pipe cable device includes an electric control box and a cable reel, and the bottom of one end of the electric control box is provided with a through threading port; The stationary wheel disc includes a fixed shaft fixed horizontally and fixedly installed in the electric control box, and a stationary disc coaxially fixedly sleeved on both ends of the fixed shaft, and the movable wheel disc includes a mandrel and a coaxial sleeve on the fixed shaft. Two movable discs at both ends of the mandrel, the interior of the mandrel is hollow and both ends are open, and the coaxial rotation is sleeved outside the fixed shaft, and is located between the two static discs; soft The cable is wound on the moving wheel), and the hard cable is wound and wound on the moving wheel and the stationary wheel in turn; the middle part of one end of the electric control box is provided with a through opening, and the opening is The positionable flip-up is mounted with a wire arm assembly for the wire that can be flipped up to be received at the opening, or flipped down to a tilted position for wire access.

The beneficial effect of adopting the above-mentioned further scheme is that, when storing, firstly, the flexible cable and the rigid cable are stored on the moving wheel disc in turn, and the redundant rigid cable is wound on the stationary wheel disc, which can prevent the hard cable from slipping off. . The invention has a simple structure, can realize the storage of soft and hard cables, and saves space; the wire arm assembly can be turned down to the threading opening to realize the guidance and rapid transportation of the cable; the wire arm assembly can be turned up to the opening to realize Its own storage, saving space, easy to carry and store.

Further, the main cable device includes a box body, and a storage tray for accommodating cables is installed horizontally and rotatably in the box body; one end of the box body is provided with a through wire outlet, and the wire outlet can be The positioned upside down is installed with a wire assembly for the wire, the wire assembly can be turned up to be received at the wire outlet, or turned down to an inclined state for wire.

The beneficial effect of adopting the above-mentioned further scheme is that the cable is stored on the storage tray, and one end of the cable is connected to the corresponding equipment after passing through the cable outlet during use, the structure is simple, and the cable is convenient to take up.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the coordination diagram of the vehicle body, the detection device, the push device and the monitoring device of the present invention;

Fig. 3 is the internal structure schematic diagram of A-A in Fig. 2;

Fig. 4 is the enlarged view of B in Fig. 3;

FIG. 5 is a schematic structural diagram of the cooperation between the push device and the carrying vehicle body in the present invention;

6 is a schematic diagram of the overall structure of the branch pipe cable device in the present invention;

7 is a schematic structural diagram of a cable tray in the present invention;

8 is a schematic diagram of the internal structure of the cable tray in the present invention;

9 is a schematic diagram of the overall structure of the main pipe cable device in the present invention;

FIG. 10 is a schematic diagram of the internal structure of the main pipe cable device in the present invention.

In the accompanying drawings, the list of components represented by each number is as follows:

1. Car body, 2. Cable, 3. Camera, 4. Lighting, 5. Driving wheel, 6. Passive wheel, 7. Belt, 8. End cover, 9. Limit block, 10. Wheel, 11. , Cup and bowl, 12, Fixed sleeve, 13, Screw, 14, Screw sleeve, 15, Vertical rotating rod, 16, Rotating sleeve, 17, Horizontal rotating rod, 19, Auxiliary lighting, 20, Detection device , 21, electric control box, 22, threading port, 23, static wheel, 24, moving wheel, 25, guide rod, 26, opening, 27, lead frame, 28, lead rod, 29, connecting rod, 30, positioning Hook, 31, Positioning ring, 32, Brake assembly, 33, Meter assembly, 34, Flexible cable, 35, Hard cable, 36, Control panel, 37, Support frame, 38, Power assembly, 39, Box , 40, storage tray, 41, outlet, 42, lead frame, 43, lead rod body, 44, connecting rod, 45, rocker arm, 46, guide roller, 47, handle, 48, controller, 49, display, 50. Controller.

Detailed ways

The principles and features of the present invention will be described below with reference to the accompanying drawings and specific embodiments. The examples are only used to explain the present invention, but not to limit the scope of the present invention.

As shown in FIG. 1 to FIG. 10 , the present invention provides a pipeline branch detection system, which includes a detection device 20, a walkable crawler, a branch pipe cable device and a main pipe cable device. The detection device 20 is located at one end of the crawler and used For the detection of the branch pipe, the branch pipe cable device and the main pipe cable device are located at the other end of the crawler, which are both used to receive the cable 2. One end of the cable 2 on the branch pipe cable device is connected to the detection device 20, and the main pipe cable device is used. One end of the upper cable 2 is connected to the crawler; the crawler is used to push the cable 2 on the branch pipe cable device and drive the detection device 20 to move. During detection, the detection device 20 and the crawler are provided with cables 2 through the branch pipe cable device and the main pipe cable device, respectively, and the crawler can push the cable 2 on the branch pipe cable device forward, so that the detection device 20 is located in the pipeline. Long-distance movement; in addition, the crawler can accurately send the detection device 20 into the small-diameter branch pipe, so as to detect the branch pipe with high accuracy. The present invention has a compact structure, can realize the long-distance movement of the detection device 20 in the pipeline, and can accurately enter the branch pipeline for detection, with high precision. The invention is mainly applied to the detection of pipelines in various complex environments in water or silt, especially the detection in small-diameter and dark pipelines without inspection wells, and can also be applied to ordinary pipelines, with broad application prospects. There is no suitable detection equipment in this field, and the present invention fills the domestic blank in this field.

It should be noted that the cable 2 on the branch pipe cable device includes a rigid cable 35 and a flexible cable 34. One end of the rigid cable 35 is connected to one end of the detection device 20 after passing through the crawler. The cable 35 can not only supply power, but also push the detection device 20 forward in the branch pipe; the cable 2 stored on the main cable device is a flexible cable, one end of which is connected to the electronic equipment on the crawler for power supply.

The above detection device preferably adopts a detection camera, and the detection camera is fixedly connected to one end of the cable 2 , where the cable 2 is a hard cable 35 .

A plurality of wheels 10 , preferably four wheels 10 , are installed on the bottom of the above-mentioned vehicle body 1 at regular intervals, and the four wheels 10 are rotated on both ends of the vehicle body 1 . The two wheels 10 located at the same end of the vehicle body 1 are connected by a rotating shaft, and the rotating shaft is rotatably connected to one end of the vehicle body 1; one end of the vehicle body 1 is fixedly installed with a motor, and the driving end of the motor is connected to one end of the rotating shaft. The specific method of transmission connection can be as follows: the driving end of the motor and one end of the rotating shaft are respectively coaxially fixed with gears, and the two gears are connected by a chain drive; it is also possible to replace the gears with pulleys, and the two pulleys are connected between the two pulleys. They are connected by belt drive respectively.

It should be noted that the present invention also includes a controller 48, and the monitoring device and the pushing device are respectively connected to the controller 48, either through the cable 2 or wireless communication connection.

In addition, the power supply of each of the above-mentioned electronic devices may be an external power supply, or a battery may be fixedly mounted on the vehicle body 1 to be mounted on.

Example 1

On the basis of the above structure, in this embodiment, the crawler includes a vehicle body 1 on which a pushing device for pushing the cable 2 from one end to the other end is installed, and the vehicle body 1 is mounted on at least one There is a monitoring device for monitoring the push state of the cable 2. During detection, the pushing device pushes the cable 2 to realize the forward transportation of the cable 2; through the cooperation of the above-mentioned vehicle body 1 and the pushing device, the long-distance transportation of the cable 2 in the pipeline is realized, so as to realize the detection of the pipeline; at the same time, During the push process of the cable 2, the monitoring device monitors the push state of the cable 2 in real time, so that the staff can know the push state of the cable 2 in time.

Example 2

On the basis of the first embodiment, in this embodiment, a cup and bowl 11 is installed at one end of the vehicle body 1 close to the detection device 20 . Rotate vertically and horizontally; one end of the cup and bowl 11 is open, and the other end is provided with a threading hole for the cable 2 to pass through. During operation, by realizing the rotation of the cup and bowl 11 in the vertical direction and the horizontal direction, the detection device 20 is driven to rotate, so as to adjust the position of the detection camera according to the requirements, so as to be suitable for the detection of branch pipes of different small diameters, and the scope of application is wide. .

It should be noted that the above-mentioned detection device 20 preferentially uses a camera, and the camera may be a common camera, or a rotatable camera, such as a 360° panoramic camera. Before the inspection, the staff can replace the appropriate camera according to the needs.

Example 3

On the basis of the second embodiment, in this embodiment, an installation channel is fixed horizontally at the position near one end of the vehicle body 1 , the installation channel is integrally formed with the vehicle body 1 , and the installation channel is close to one end of the vehicle body 1 . Open; a fixed sleeve 12 is rotatably installed in the installation channel, and a drive assembly that drives the cup and bowl 11 to rotate in the vertical direction is installed in the fixed sleeve 12 . During operation, the drive assembly drives the cup and bowl 11 to rotate 0-90° in the vertical direction, and at the same time, the fixed sleeve 12 drives the drive assembly and the cup and bowl 11 to rotate by means of those skilled in the art, so as to realize the cup and bowl. 11 rotates 360° in the horizontal direction, so as to adjust the angle of the cup and bowl 11, so as to be suitable for the detection of branch pipes of different small diameters, with a wide range of use and convenient use.

Example 4

On the basis of the third embodiment, in this embodiment, the drive assembly includes a lead screw 13, the lead screw 13 is horizontally rotatably installed in the fixed sleeve 12, and a lead screw sleeve 14 is threadedly sleeved on the lead screw sleeve; One end of the cylinder 14 extends horizontally out of the open end of the installation channel, and is connected to the cup and bowl 11 through at least one vertical rotating rod 15. The other end is connected by rotation, usually by hinge or shaft connection. During operation, the screw 13 rotates and converts its own rotation into the linear movement of the screw sleeve 14. The screw sleeve 14 drives the cup and bowl 11 to rotate in the vertical direction through the vertical rotation rod 15, thereby changing the cup and bowl 11. The angle in the vertical direction is suitable for the detection of branch pipes of different small diameters, and the structure is simple and the operation is simple.

Preferably, in this embodiment, the number of the vertical rotating rods 15 is two, and the two vertical rotating rods 15 are respectively located on both sides of the cup and bowl 11 to increase the stability of the cup and bowl 11 during rotation.

The above-mentioned rotation driving mode of the screw rod 13 may be: a motor is fixedly installed on the end of the fixing sleeve 12 away from the open end of the installation channel by bolts, and the driving end of the motor is directly welded with one end of the screw rod 13 .

Example 5

On the basis of the third embodiment, in this embodiment, the fixed sleeve 12 is provided with a horizontally rotatable rotating sleeve 16, one end of the rotating sleeve 16 horizontally extends out of the open end of the installation channel, and passes through at least one A horizontal rotating rod 17 is connected to the cup and bowl 11 , and two ends of the horizontal rotating rod 17 are respectively rotatably connected to one end of the rotating sleeve 16 and the other end of the cup and bowl 11 , usually by hinges or shafts. During operation, the rotating sleeve 16 is rotated in a manner that those skilled in the art can think of, and the horizontal rotating rod 17 and the fixed sleeve 12 and its internal components are rotated 360°, thereby changing the angle of the cup and bowl 11 in the horizontal direction. , so that it is suitable for the detection of branch pipes of different small diameters, with simple structure and easy operation.

Preferably, in this embodiment, the number of the horizontal rotating rods 17 is two, and the two horizontal rotating rods 17 are respectively located on both sides of the cup and bowl 11 to increase the stability of the cup and bowl 11 during rotation.

The rotation driving mode of the above-mentioned rotating sleeve 16 can be as follows: a motor is fixedly installed in the installation channel by bolts, a gear or a pulley is fixedly sleeved on the driving end of the motor, and a gear is fixedly sleeved on one end of the rotating sleeve 16 coaxially. Or pulleys, the two gears are connected by a chain or the two pulleys are connected by a belt.

It should be noted that the two vertical rotating rods 15 are both located in the two horizontal rotating rods 17, and among the four rotating rods, two adjacent rotating rods are arranged at intervals and do not affect each other.

Example 6

Based on the above structure, in this embodiment, the monitoring device includes a camera 3 . The camera 3 is fixedly installed on one end of the vehicle body 1 by bolts, and its lens faces outside the end of the vehicle body 1 . During the pushing process of the cable 2, the video pushed by the cable 2 is collected in real time by the camera 3, and the corresponding video is sent to the controller 48, and the controller 48 receives the corresponding video, and judges and analyzes whether the pushing of the cable 2 is faulty , so that the staff can know the specific situation of the cable 2 push in time.

Example 7

On the basis of the sixth embodiment, in this embodiment, the monitoring device further includes a lighting lamp 4 for illuminating the camera 3 . The lighting lamp 4 is fixedly installed on one end of the vehicle body 1 by means of bolts, and faces the end of the vehicle body 1 on which it is mounted. outside, and on the side of camera 3. During the monitoring process of the cable 2 pushing, the camera 3 is illuminated by the lighting lamp 4 to improve the quality of the video collected by the camera 3, so that the controller 48 can more accurately analyze and judge the specific situation of the cable 2 pushing, and the accuracy is higher.

Preferably, the above-mentioned lighting lamp 4 is preferably an LED lamp, which has a better energy saving effect.

In addition to the above structure, the monitoring device can also use an infrared camera, and the infrared camera can directly collect video in the dark pipe.

Example 8

On the basis of the seventh embodiment, in this embodiment, the camera 3 and the lighting lamp 4 are relatively arranged on both sides of the cable 2, the structure is simple, and the design is reasonable, and the monitoring of the pushing state of the cable 2 can be realized without affecting the The push of cable 2 saves space.

In addition to the above distribution method, the camera 3 and the lighting lamp 4 can also be arranged on the same side of the cable 2, but the stability of the cable 2 in this arrangement method is not as good as the above solution.

Example 9

On the basis of the above structure, in this embodiment, the number of monitoring devices is two, two monitoring devices

The mechanisms are respectively located at both ends of the vehicle body 1 , and are respectively used to monitor the pushing state of the cables 2 at both ends of the vehicle body 1 . During the pushing process of the cable 2, the push state of the cable 2 at both ends of the vehicle body 1 is monitored by two monitoring devices respectively, and the monitoring is more comprehensive.

In addition, an auxiliary lighting lamp 19 is also installed on the vehicle body 1 by bolts. The auxiliary lighting lamp is preferentially installed on one of the monitoring devices, and is used to assist the camera 3 to collect the video pushed by the cable 2 to further ensure the thought of video collection. , LED lights are preferred.

Example 10

On the basis of the above structure, in this embodiment, the pushing device includes at least one driving wheel 5 and a passive wheel 6 corresponding to the driving wheel 5 one-to-one. The driving wheel 5 and the passive wheel 6 are in a direction perpendicular to the pushing direction of the cable 2 Relatively arranged on the vehicle body 1, and connected to the vehicle body 1 horizontally through the mandrel respectively; the cable 2 is located between the driving wheel 5 and the driven wheel 6, and its two sides are respectively in phase with the driving wheel 5 and the driven wheel 6. paste. In the process of pushing the cable 2, the driving wheel 5 is rotated in a way that those skilled in the art can think of. The cable 2 moves, thereby realizing the transportation of the cable 2, the structure is simple, and the transportation is convenient.

Preferably, in this embodiment, the number of the driving wheels 5 and the passive wheels 6 are both two, and the two driving wheels 5 and the two passive wheels 6 are arranged opposite to each other; between the two driving wheels 5 and the two passive wheels 6 are respectively connected by a belt 7; the cable 2 is located between the two belts 7, and the two sides of the cable 2 are respectively attached to the two belts 7. The two driving pulleys 5 and the two passive pulleys 6 cooperate at the same time. The above-mentioned setting method can increase the power of the cable 2 to push, so as to realize the normal push of the cable 2; The damage of the cable 2 ensures the quality of the cable 2.

Example 11

On the basis of Embodiment 10, in this embodiment, a motor is installed on the vehicle body 1 at a position below the driving wheel 5 by bolts, and the vehicle body 1 is provided with a mounting slot for accommodating the motor; the driving end of the motor is vertically Straight up, and fixedly connected with the lower end of one of the driving wheel 5 mandrels, usually by welding or bolting. During the transmission of the cable 2, one of the driving wheels 5 is driven by the motor to rotate, so as to utilize the friction force between it and the cable 2 and between the cable 2 and the driven wheel 6 to realize the active push of the cable 2, saving time Effortless.

In addition to the above-mentioned driving methods, the motor can also be connected to the corresponding driving wheel 5 through gears, specifically: one end of the corresponding driving wheel 5 mandrel and the driving end of the motor are respectively coaxially fixed and sleeved with gears, and the two The gears are connected by a chain drive.

Example 12

On the basis of the above structure, in this embodiment, an end cover 8 for covering the pushing device is installed on the vehicle body 1 rotatably, and one side of the end cover 8 is rotatably connected with the side of the vehicle body 1, usually Using hinge or hinge connection, the other side can be turned over to the other side of the vehicle body 1 and fastened. When the cable 2 is transported, the entire pushing device is covered by the end cover 8, which increases the aesthetics of the entire equipment; in addition, the end cover 8 can also prevent dust from affecting the working performance of the pushing device.

The center of the other side of the above-mentioned end cover 8 is integrally formed with a buckle 1, and the other side of the vehicle body 1 is integrally formed with a buckle 2. Equipped with the connection on the other side of the vehicle body 1, the structure is simple, the operation is simple, and time and effort are saved.

Example 13

On the basis of the above structure, in this embodiment, a limit block 9 for limiting the cable 2 is installed on one end of the monitoring device close to the vehicle body 1 that can be positioned up and down, and the limit block 9 is preferably set At one end of the vehicle body 1 on which the vehicle body 1 is mounted, the cable 2 is limited by a limit block 9 to prevent the cable 2 from slipping and affecting the transportation of the cable 2 .

The above-mentioned limiting block 9 is preferably arranged between the corresponding camera 3 and the lighting lamp 4, and the end of the outer casing of the camera 3 or the outer casing of the lighting lamp 4 close to the corresponding end of the vehicle body 1 is provided with a groove that is open on both sides, so as to limit the gap. One end of the position block 9 is rotatably connected to one side of the inner wall of the groove through a hinge, and the other end can be turned over to fit with the housing of the lighting lamp 4 or the housing of the camera 3 to limit the cable 2 .

In addition, the limit block 9 can be directly limited by the friction force between it and the inner wall of the groove, or it can be limited by bolts, that is, one end of the limit block 9 is provided with a through screw hole, and the screw hole is connected with an internal thread. There are bolts, and the bottom of the groove is provided with two screw holes; turn the limit block 9 to a horizontal state, so that the second screw hole is connected with the screw hole one, and then the limit block 9 is locked by bolts.

Example 14

As shown in FIG. 6 to FIG. 8 , on the basis of the above structure, in this embodiment, the branch pipe cable device includes an electric control box 21 and a cable reel, and the bottom of one end of the electric control box 21 is provided with a through threading port 22; The cable reel includes a coaxially arranged stationary wheel 23 and a movable wheel 24. The stationary wheel 23 includes a fixed shaft fixed horizontally in the electric control box 21 and a static disc coaxially fixed and sleeved on both ends of the fixed shaft. The two static discs are directly welded to the two ends of the fixed shaft, and the two ends of the fixed shaft are fixedly connected to both sides of the electric control box 21 through bolts respectively; The moving disc, the mandrel is hollow inside and both ends are open, the coaxial rotation sleeve is set outside the fixed shaft, and is located between the two static discs, and the two moving discs are directly welded to the two sides of the mandrel. The flexible cable 34 is wound on the moving reel 24, and the hard cable 35 is wound on the moving reel 24 and the stationary reel 23 in turn. The cable in the present invention is a flexible cable 34 at the end and a rigid cable 35 at the front end; when storing, firstly the flexible cable 34 and the rigid cable 35 are sequentially stored on the moving wheel 24 from the inside to the outside. The rigid cable 35 is wound on the stationary wheel 23, and the stationary wheel 23 can prevent the rigid cable 35 from slipping off the cable drum. The invention has a simple structure, can realize the storage of soft and hard cables, and saves space.

Example 15

On the basis of the fourteenth embodiment, in this embodiment, a plurality of guide rods 25 are distributed between the edges of the two stationary disks of the stationary wheel disk 23 along the circumferential direction, and the two stationary disks are respectively fixed coaxially. It is sleeved on both ends of the fixed shaft; each guide rod 25 is arranged horizontally, and its two ends are respectively connected with the edges of the static discs on both sides of the static wheel disc 23 to prevent the cables from slipping. The cables on the cable drum can be limited by the plurality of guide rods 25 to prevent the hard cables from slipping off the cable drum, the structure is simple, and the cable storage effect is better.

Example 16

On the basis of the fifteenth embodiment, in this embodiment, the two ends of each guide rod 25 are respectively connected in rotation with the edges of the static disks on both sides of the static wheel disk 23, and the two ends of each guide rod 25 are respectively connected with each other through the rotating shaft. The edges of the stationary discs on both sides of the stationary wheel disc 23 are rotatably connected, the two rotating shafts are integrally formed with the guide rod 25, and the edges of the two stationary discs are oppositely provided with rotating holes matched with the two rotating shafts. Each guide rod 25 is rotatably connected with the static wheel disc 23, which converts the static friction between the hard cable 35 and the guide rod 25 into rotational friction, effectively reducing the friction between the hard cable 35 and the guide rod 25, The rigid cable 35 is prevented from being damaged, and the rigid cable 35 is protected.

The guide rod 25 can be rotatable or fixed. When the guide rod 25 is fixed, the friction force between the guide rod 25 and the rigid cable 35 is significantly greater than the friction force when the guide rod 25 is rotated.

Example 17

On the basis of the fourteenth embodiment, in this embodiment, the middle part of one end of the electric control box 21 is provided with a through opening 26, and the opening 26 is preferably a directional opening; the positionable upside-down position of the opening 26 is installed with a conducting wire for conducting wire Arm assembly, wire The arm assembly can be flipped up to receive at opening 26, or flipped down to a tilted position for wire access. During the cable release process, the cable can be guided by the wire arm assembly, and the cable can be transported quickly; in addition, the wire arm can be turned up and stored at the opening 26, which saves space and facilitates handling and storage.

Example 18

On the basis of the seventeenth embodiment, in this embodiment, the wire arm assembly includes a wire frame 27, one end of the wire frame 27 is rotatably connected to the lower end of the opening 26, usually connected by a hinge or a rotating shaft, and the other end can be turned down to thread the wire One side of the opening 22 has a wire, or is turned up to abut against the upper end of the opening 26 to be folded; the other end of the wire frame 27 is horizontally installed with a wire rod 28 for the wire. When the wire is paid off, the lead frame 27 can be turned down to the threading port 22 to realize the guidance and rapid transportation of the cable; when not in use, the lead frame 27 can be turned upward to the opening 26 to realize its own storage, saving space, Easy to carry and store.

In addition, one end of the electric control box 21 is located below the opening 26 , and a support frame 37 is fixed and installed by bolts. When the wire is paid out, the lead frame 27 is turned down to be in contact with the support frame 37, and the support frame 37 supports the lead frame 27, so that the lead frame 27 is in an inclined state for better conducting wire.

In addition to the above structure, one end of the electric control box 21 may also be open, the support frame 37 covers the bottom of one end of the electric control box 21 , and the threading port 22 is located on the support frame 37 .

In order to increase the stability of the lead frame 27 itself, its two sides are connected by at least one reinforcing rod.

Example 19

On the basis of the eighteenth embodiment, in this embodiment, at least one side of the lead frame 27 is connected to both sides of the opening 26 through the connecting rod 29 , and the two ends of the connecting rod 29 rotate with the same side of the lead frame 27 and the opening 26 respectively. Connection, usually hinge or shaft connection. When the lead frame 27 is turned upside down, the lead frame 27 is connected to the opening 26 through the connecting rod 29 , thereby increasing the stability of the lead frame 27 .

Preferably, in this embodiment, the number of the connecting rods 29 is preferably two, the two connecting rods 29 are located on both sides of the lead frame 27 respectively, and the two ends of each connecting rod 29 are the same as the lead frame 27 and the opening 26 respectively. The side rotation connection increases the stability of the lead frame 27 when it is turned upside down.

In addition, one end of each link 29 is rotatably connected to the middle part of one side of the lead frame 27 , and the other end is rotatably connected to the lower part of the corresponding side of the opening 26 , so that the lead frame 27 can be easily accommodated.

In addition to the above structure, the connecting rod 29 may not be provided between the opening 26 and the lead frame 27

Example 20

As shown in FIG. 6 , on the basis of the seventeenth embodiment, in this embodiment, at least one positioning hook 30 is installed on the upper end of the opening 26 at intervals along the horizontal direction. Connection; the other end of the lead frame 27 is provided with positioning rings 31 corresponding to the positioning hooks 30 one-to-one at intervals along the horizontal direction, and the positioning ring 31 is integrally formed with the lead frame 27; The upper ends are abutted, and the positioning hook 30 is hooked into the positioning ring 31 to fix the lead frame 27 . When not in use, the positioning hook 30 at the upper end of the opening 26 cooperates with the positioning ring 31 at the other end of the lead frame 27 to realize the rapid positioning of the lead frame 27, which is simple in structure, simple in operation, time-saving and labor-saving.

Preferably, in this embodiment, the number of the positioning hooks 30 and the positioning loops 31 is both two, and the two positioning hooks 30 and the two positioning loops 31 are arranged opposite to both sides of the two ends of the opening 26, increasing the number of the lead frame 27. stability.

In addition to the above structure, the lead frame 27 can also be connected to the electric control box 21 by bolts, and the other end of the lead frame 27 is provided with screw holes at the corresponding positions on the electric control box 21 (as shown in FIG. 2 ).

Example 21

On the basis of the above structure, in this embodiment, a controller 48 and a power assembly 38 for driving the moving wheel 24 to rotate are installed in the electric control box 21 . The line is connected with the controller 48; the controller 48 is fixedly installed in the electric control box 21 by means of bolts. The power assembly 38 is controlled by the controller 48 to drive the driving wheel 24 to rotate in the forward or reverse direction, so as to realize the storage or release of the cables, with a high degree of automation, saving time and effort.

The above-mentioned power component 38 can be a motor, the motor is fixed in the electric control box 21 by bolts, a gear is fixedly sleeved on the driving end of the motor, and one end of the sleeve on the moving wheel disc 24 is coaxially fixed and sleeved with a gear. They are connected by a chain; a motor can also be used to cooperate with a belt assembly, and the assembly method of the belt assembly is the same as that of the gear and the chain.

Example 22

On the basis of the twenty-first embodiment, in this embodiment, the electric control box 21 is also provided with a brake assembly 32 for braking the moving wheel 24, and the brake 12 is connected to the controller 48 through a line. The brake assembly 32 is controlled by the controller 48 to brake the wheel disc 24 in time to meet different requirements and avoid excessive release of the cable.

It should be noted that the brake assembly 32 adopts the prior art, that is, the brake pad of the automobile, and the moving wheel 24 here is equivalent to the wheel of the automobile, and the hub of the moving wheel 24 can be braked by the brake pad.

Example 23

On the basis of the twenty-first embodiment, in this embodiment, a meter-counting assembly 33 is fixedly installed in the electric control box 21 on one side of the threading port 22 by bolts, and the meter-counting assembly 33 is connected to the controller 48 through a line. During the cable release process, the metering component 33 monitors the released length of the cable in real time, with higher accuracy.

In addition, a control panel 36 is also fixedly mounted on the outer wall of the electric control box 21 , and a plurality of control buttons for controlling the operations of the above-mentioned components are mounted on the control panel 36 .

It should be noted that the above-mentioned meter counting assembly 33 adopts the electronic meter counting device in the prior art, and its structural principle will not be repeated here.

In addition, in the present invention, an external power supply can be used for power supply, or a battery can be installed in the electric control box 21 to supply power to the above components.

Example 24

On the basis of the above structure, in this embodiment, the main cable device includes a box body 39, and a storage tray 40 for accommodating cables is installed horizontally and rotatably in the box body 39; one end of the box body 39 is provided with a through The wire outlet 41, the wire assembly for the wire is installed at the wire outlet 41 which can be positioned up and down, and the wire assembly can be turned up to be received at the wire outlet 41.

In addition, two guide rollers 46 are installed at intervals in the wire outlet 41 that rotate horizontally from top to bottom, and one end of the cable 2 on the storage tray 40 passes between the two guide rollers 46 .

It should be noted that the two guide rollers 46 will not affect the inversion of the lead frame 42 .

Example 25

On the basis of the seventeenth embodiment, in this embodiment, the wire assembly includes a wire frame 42, one end of the wire frame 42 is rotatably connected to the lower end of the wire outlet 41, usually connected by a hinge or a rotating shaft, and the other end can be flipped down for the wire , or turn up to abut against the upper end of the wire outlet 41 to be folded; the other end of the wire frame 42 is installed with a wire rod body 43 for wire that rotates horizontally. When paying off the wire, the lead frame 42 can be turned down to the set position to realize the guidance and rapid transportation of the cable 2; when not in use, the wire frame 42 can be turned upward to the wire outlet 41 to realize its own storage and save space , easy to carry and store.

Example 26

On the basis of the twenty-fifth embodiment, in this embodiment, at least one side of the lead frame 42 is connected to both sides of the wire outlet 41 through the connecting rod 44, and the two ends of the connecting rod 44 are respectively connected with the wire frame 42 and the wire outlet 41. Rotational connection on the same side, usually by hinge or shaft connection. When the lead frame 42 is turned upside down, the lead frame 42 is connected to the wire outlet 41 through the connecting rod 44 , thereby increasing the stability of the lead frame 42 .

Preferably, in this embodiment, the number of the connecting rods 44 is preferably two, the two connecting rods are located on both sides of the lead frame 42 respectively, and the two ends of each connecting rod 44 are the same as the lead frame 42 and the wire outlet 41 respectively. The side rotation connection increases the stability of the lead frame 42 turning up and down.

In addition, one end of each connecting rod 44 is rotatably connected to the middle part of one side of the lead frame 42 , and the other end is rotatably connected to the lower part of the corresponding side of the wire outlet 41 , so that the lead frame 42 can be easily accommodated.

In addition to the above structure, the connecting rod 44 may not be provided between the wire outlet 41 and the lead frame 42 . In this case, the stability of the lead frame 42 is worse than the solution in which the connecting rod 44 is provided.

Example 27

As shown in FIG. 6 , on the basis of the twenty-fifth embodiment, in this embodiment, at least one positioning hook 30 is installed at intervals along the horizontal direction at the upper end of the wire outlet 41, and the positioning hook 30 is integrally formed with the box body 39, or is Bolted connection; the other end of the lead frame 42 is provided with positioning rings 31 corresponding to the positioning hooks 30 one-to-one at intervals along the horizontal direction, and the positioning ring 31 and the lead frame 42 are integrally formed; the lead frame 42 is turned up to the other end and the wire outlet The upper ends of 41 abut against each other, and hook the positioning hook 30 into the positioning ring 31 to fix the lead frame 42 . When not in use, the positioning hook 30 at the upper end of the wire outlet 41 cooperates with the positioning ring 31 at the other end of the lead frame 42 to realize the rapid positioning of the lead frame 42, with simple structure, simple operation, time saving and labor saving.

Preferably, in this embodiment, the number of the positioning hooks 30 and the positioning rings 31 is two, and the two positioning hooks 30 and the two positioning rings 31 are arranged on both sides of the two ends of the wire outlet 41 opposite to each other, and a lead frame 42 is added. stability.

In addition to the above structure, the lead frame 42 can also be connected to the box body 39 by means of bolts. At this time, the corresponding position on the box body 39 has screw holes on the other end of the lead frame 42 .

Example 28

On the basis of the above structure, in this embodiment, a controller 48 and a power assembly 38 for driving the storage tray 40 to rotate are installed in the box body 39 . Connect with the controller 48; the controller 48 is fixedly installed in the box 39 by bolts. The controller 48 controls the power assembly 38 to drive the storage tray 40 to rotate in the forward or reverse direction, so as to realize the storage or release of the cable 2, with a high degree of automation, saving time and effort.

The above-mentioned power assembly 38 can be a motor, the motor is fixed in the box 39 by bolts, the driving end of the motor is fixedly sleeved with a gear, and one end of the sleeve on the moving wheel disc 24 is coaxially fixedly sleeved with a gear, and the two gears are fixed. It is connected by a chain; it is also possible to use a motor to cooperate with a belt assembly, and the assembly method of the belt assembly is the same as that of the gear and the chain.

In addition, in order to prevent the power assembly 38 from not working when a fault occurs, a rocker arm 45 is also installed on the box body 39, one end of the rocker arm 45 is fixedly connected with one end of the core shaft of the storage tray 40, and a corresponding position on the side wall of the box body 39 is provided. There is a circular hole through which one end of the rocker arm 45 passes.

Moreover, two handles 47 are relatively fixedly welded on both sides of the top of the box body 39 , so that the box body 39 is conveniently transported.

Example 29

On the basis of the twenty-first embodiment, in this embodiment, a brake assembly 32 for braking the storage tray 40 is also installed on the box body 39, and the brake assembly 32 is connected to the controller 48 through a line. The controller 48 controls the brake assembly 32 to brake the storage tray 40 in time to meet different requirements and avoid excessive release of the cable 2 .

It should be noted that the brake assembly 32 adopts the prior art, that is, the brake pads of the automobile. The moving wheel disc 24 here is equivalent to the wheel of the automobile, and the hub of the moving wheel disc 24 can be braked by the brake pads.

Example 30

On the basis of the twenty-fourth embodiment, in this embodiment, a control panel 36 is also fixedly installed on the outer wall of the box body 39 , and a plurality of control buttons for controlling the operations of the above components are installed on the control panel 36 .

In addition, in the present invention, an external power supply can be used for power supply, or a battery can be installed in the box body 39 to supply power to the above-mentioned components.

In the present invention, during detection, both the branch pipe cable device and the main pipe cable device are located in the detection vehicle, and the crawler moves in the pipeline with the detection device 20 . It is detected that a controller 50 is installed in the vehicle, preferably a desktop controller and/or a hand-held controller, and the desktop controller 48 and/or the hand-held controller 48 are connected in communication with the controller 48 in each device.

In addition, two displays 49 are also provided in the detection vehicle, and the two displays 49 are respectively used to display the cable push of the branch pipe cable device and the main pipe cable device.

It should be noted that the present invention is mainly used for detection in narrow and closed small-diameter pipelines, especially when there is water or silt in the pipeline. Therefore, each of the above electronic devices has a waterproof function to ensure normal operation.

The working principle of the present invention is as follows:

When not in use, the wire arm assembly and wire assembly in the branch pipe cable device and the main cable device are respectively received in the opening 26 and the wire outlet 41 in the above manner; when in use, the wire arm assembly and the wire assembly are manually removed from the opening respectively. 26 and the outlet 41 are turned inside out;

During detection, the driving wheel 5 is first driven to rotate by the corresponding motor, and the driving wheel 5 uses the friction force between the driving wheel 5 and the cable 2 and between the cable 2 and the passive wheel 6 to push the cable 2; The two lighting lamps 4 illuminate the two cameras 3, and the two cameras 3 respectively collect the video pushed by the cable 2 on both ends of the vehicle body 1, and send it to the controller 48. The controller 48 receives the corresponding video and analyzes the push of the cable 2. status, so that the staff can keep abreast of the status of cable 2 push;

Then, the lead screw 13 is driven to rotate by the corresponding motor, and the lead screw 13 rotates and converts its own rotation into the linear movement of the lead screw sleeve 14, and the lead screw sleeve 14 drives the cup and bowl 11 vertically through the vertical rotation rod 15. Rotate in the direction to change the angle of the cup and bowl 11 in the vertical direction;

At the same time, the corresponding motor drives the rotating sleeve 16 to rotate, and drives the horizontal rotating rod 17 and the fixed sleeve 12 and its internal components to rotate 360°, thereby changing the angle of the cup and bowl 11 in the horizontal direction, so that the detection device 20 is accurate It extends into the branch pipe to be suitable for the detection of branch pipes of different small diameters, with simple structure and easy operation.

It should be noted that the motor (model YE-2), the camera (model DS-IPC-T12H) and the LED lamp (model E-NLED0024) involved in the present invention all adopt the prior art, and the above-mentioned components and the controller (Model TC-SCR) is electrically connected, and the control circuit between the controller and each component is in the prior art.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (10)

1. A pipeline branch pipe detection system is characterized in that: the device comprises a detection device (20), a crawler capable of walking, a branch pipe cable device and a main pipe cable device, wherein the detection device (20) is positioned at one end of the crawler and used for detecting branch pipes, the branch pipe cable device and the main pipe cable device are both positioned at the other end of the crawler and used for accommodating cables (2), one end of each cable (2) on the branch pipe cable device is connected with the detection device (20), and one end of each cable (2) on the main pipe cable device is connected with the crawler; the creeper is used for pushing the cables (2) on the branch pipe cable device and driving the detection device (20) to move.

2. The pipe branch detection system according to claim 1, wherein: the creeper includes carries on automobile body (1), install on carrying on automobile body (1) and be used for cable (2) from its one end propelling movement to the pusher of the other end, carry on and install at least one monitoring devices who is used for monitoring cable (2) propelling movement state on automobile body (1).

3. The pipe branch detection system according to claim 2, wherein: a cup bowl (11) is mounted at one end, close to the detection device (20), of the carrying vehicle body (1), the cup bowl (11) is located between the detection device (20) and one end of the carrying vehicle body (1), and the cup bowl can rotate in the vertical direction and the horizontal direction respectively; one end of the cup bowl (11) is open, the other end of the cup bowl is provided with a threading hole for the cable (2) to pass through, and one end of the cable (2) passes through the threading hole and then is connected with the detection device (20).

4. The pipe branch detection system according to claim 3, wherein: a mounting channel is horizontally and fixedly arranged on the carrying vehicle body (1) at a position close to one end of the carrying vehicle body, and one end of the mounting channel close to one end of the carrying vehicle body (1) is open; the mounting channel is internally rotatably provided with a fixed sleeve (12), and the fixed sleeve (12) is internally provided with a driving component for driving the cup bowl (11) to rotate in the vertical direction.

5. The pipe branch detection system according to claim 4, wherein: the driving assembly comprises a screw rod (13), the screw rod (13) is horizontally and rotatably arranged in the fixed sleeve (12), and a screw rod sleeve (14) is sleeved on the screw rod (13) in a threaded manner; one end of the screw rod sleeve (14) horizontally extends out of the open end of the mounting channel and is connected with the cup bowl (11) through at least one vertical rotating rod (15), and two ends of the vertical rotating rod (15) are respectively connected with one end of the screw rod sleeve (14) and the other end of the cup bowl (11) in a rotating mode.

6. The pipe branch detection system according to claim 4, wherein: but fixed sleeve (12) overcoat is equipped with horizontal rotation's rotatory sleeve (16), the one end level of rotatory sleeve (16) is extended outside the open end of installation passageway to through an at least horizontal rotary rod (17) with cup bowl (11) are connected, the both ends of horizontal rotary rod (17) respectively with the one end of rotatory sleeve (16) and the other end of cup bowl (11) is rotated and is connected.

7. The pipe branch inspection system according to any one of claims 2 to 6, wherein: the monitoring device comprises a camera (3) and an illuminating lamp (4) used for illuminating the camera (3), the camera (3) is fixedly arranged on one end of the upper surface of the carrying vehicle body (1), and a lens of the camera faces the outside of one end of the carrying vehicle body (1); light (4) fixed mounting be in carry on one of automobile body (1) upper surface and serve, its orientation outside the one end of carrying on automobile body (1), and be located one side of camera (3), cable (2) are located camera (3) with between light (4).

8. The pipe branch inspection system according to any one of claims 2 to 6, wherein: the pushing device comprises at least one driving wheel (5) and driven wheels (6) which correspond to the driving wheel (5) one by one, and the driving wheel (5) and the driven wheels (6) are oppositely arranged on the carrying vehicle body (1) along the direction vertical to the pushing direction of the cable (2) and are respectively connected with the carrying vehicle body (1) in a horizontal rotating mode; the cable (2) is located between the driving wheel (5) and the driven wheel (6), and two sides of the cable are respectively attached to the driving wheel (5) and the driven wheel (6).

9. The pipe branch inspection system according to any one of claims 1 to 6, wherein: the branch pipe cable device comprises an electric cabinet (21) and a cable tray, wherein a through threading opening (22) is formed in the bottom of one end of the electric cabinet (21); the cable disc comprises a static disc (23) and a movable disc (24) which are coaxially arranged, the static disc (23) comprises a fixed shaft and static discs, the fixed shaft is horizontally and fixedly installed in the electric cabinet (21), the static discs are coaxially and fixedly sleeved at two ends of the fixed shaft, the movable disc (24) comprises a mandrel and two movable discs, the two movable discs are coaxially sleeved at two ends of the mandrel, the mandrel is hollow, two ends of the mandrel are both open, and the movable disc is coaxially sleeved outside the fixed shaft in a rotating mode and located between the two static discs; the soft cable (34) is wound on the movable wheel disc (24), and the hard cable (35) is wound on the movable wheel disc (24) and the static wheel disc (23) in sequence; the middle part of one end of the electric cabinet (21) is provided with a through opening (26), the opening (26) can be positioned and is provided with a wire arm assembly for a wire in an up-and-down overturning manner, and the wire arm assembly can be overturned upwards to be accommodated in the opening (26) or overturned downwards to be in an inclined state to conduct the wire.

10. The pipe branch inspection system according to any one of claims 1 to 6, wherein: the main pipe cable device comprises a box body (39), and a containing disc (40) for containing cables is horizontally and rotatably arranged in the box body (39); one end of the box body (39) is provided with a through outlet (41), the outlet (41) can be positioned and is provided with a wire guide assembly for wires in an up-and-down overturning manner, and the wire guide assembly can be upwards overturned to be accommodated in the outlet (41) or downwards overturned to an inclined state for conducting wires.

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