Self-propelled cable quality inspection device

Abstract

The invention discloses a self-propelled cable quality inspection device which comprises an inspection lower shell, a detachable inspection upper shell is arranged at the upper end of the inspection lower shell, a driving wheel is rotationally connected to the interior of the inspection lower shell, a driven wheel is rotationally connected to the interior of the inspection upper shell, and the self-propelled cable quality inspection device further comprises a limiting mechanism; and the limiting mechanism comprises connecting plates and a transverse plate, the transverse plate is arranged in the inspection lower shell, detachable connecting plates are arranged at the left end and the right end of the transverse plate which can be adjusted up and down respectively, and the upper ends of the connecting plates are in sliding connection with the sliding grooves in the surface of the inspection upper shell. The clamping force of the self-walking component is adjusted, the firm connection is ensured, meanwhile, the cable is prevented from being damaged, the use range of the checking device is widened, the time needed by installation of the checking device is shortened, the checking device is more stable in the moving process, and the accuracy of the cable quality checking result is improved.

Description

Technical Field

[0001] The invention relates to the technical field of cable quality inspection, in particular to a self-propelled cable quality inspection device. Background Art

[0002] As an important part of the power system, the quality and safety of cables directly affect the stable operation of the power system. Regular cable inspection can timely discover potential quality problems, ensure the normal operation of the power system, and avoid power outages or other power problems caused by cable failures. The quality inspection of cables needs to comply with national and industry standards. Through inspection, it can be ensured that the cables meet the relevant requirements during production, transportation, construction or use, and avoid safety hazards caused by non-compliance with standards. In the prior art, when inspecting the cables after construction, because the trajectory of the cables is fixed, it is necessary to fix the inspection device to the cables by clamping, and then drive the inspection device to move along the cables by the self-propelled components in the inspection device, so as to facilitate the automatic inspection of the cables by image acquisition and recognition. However, some inspection devices can only be used for one type of cable during installation. When fixing cables of different thicknesses and sizes, the fixation is not firm enough and the scope of use is small. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide a self-propelled cable quality inspection device. The clamping force of the self-propelled components can be adjusted according to the different cable sizes and materials. While ensuring a firm connection, cable damage can be avoided, the use scope of the inspection device can be improved, and the problems in the background technology can be effectively solved.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a self-propelled cable quality inspection device, comprising an inspection lower shell, a detachable inspection upper shell is provided at the upper end of the inspection lower shell, a driving wheel is rotatably connected to the interior of the inspection lower shell, a driven wheel is rotatably connected to the interior of the inspection upper shell, and a limiting mechanism is also included; Limiting mechanism: it includes a connecting plate and a horizontal plate, the horizontal plate is arranged inside the inspection lower shell, and the left and right ends of the horizontal plate which can be adjusted up and down are respectively provided with detachable connecting plates, the upper end of the connecting plate is slidably connected to the slide groove on the surface of the inspection upper shell, and the driven wheels are respectively connected between the upper ends of the two connecting plates corresponding to the longitudinal position through a rotating shaft, and the clamping force of the self-propelled component can be adjusted according to the different sizes and materials of the cables, while ensuring a firm connection, avoiding cable damage, and improving the use scope of the inspection device, and the connection between the inspection device and the cable can be quickly achieved by simply snapping, which reduces the time required for the installation of the inspection device and makes it more convenient to use. The inspection device has a compact structure, and the weight is concentrated at the lower end of the device, which makes the inspection device more stable during movement and improves the accuracy of the cable quality inspection results.

[0005] Furthermore, the limiting mechanism also includes a limiting plate and a convex column. The limiting plates are respectively arranged at the left and right ends of the horizontal plate. The upper ends of the limiting plates are provided with convex columns, which are respectively plugged into the circular holes at the lower ends of the adjacent connecting plates to facilitate the disassembly and assembly of the connecting plates and the horizontal plates.

[0006] Furthermore, the limiting mechanism also includes a screw and a spring. The screw is threadedly connected to the lower end of the inspection lower shell, the cross plate is slidably connected to the outer arc surface of the screw, and a spring is provided between the turntable rotatably connected to the upper end of the screw and the cross plate. The spring is movably sleeved on the outer arc surface of the screw to adjust the clamping force.

[0007] Furthermore, the limiting mechanism also includes grooves, which are respectively arranged on the front and rear sides of the inspection lower shell, and the connecting plate and the limiting plate are respectively located in adjacent grooves to reduce the protrusion of the limiting component.

[0008] Furthermore, a data transmitter, a battery and a single-chip microcomputer are respectively provided inside the inspection lower shell. The output end of the battery is electrically connected to the input end of the single-chip microcomputer. The single-chip microcomputer is bidirectionally electrically connected to the data transmitter. An external controller is provided on the left side of the inspection lower shell. The external controller is wirelessly bidirectionally electrically connected to the data transmitter to control the start and stop of the overall device.

[0009] Furthermore, the relative inner sides of the inspection lower shell and the inspection upper shell are both open structures, and the interiors of the inspection lower shell and the inspection upper shell are provided with arc-shaped mounting plates, and the inner arc surfaces of the arc-shaped mounting plates are respectively provided with inspection cameras, and the output ends of the inspection cameras are electrically connected to the input ends of the single-chip microcomputer to collect image information on the cable surface for easy inspection.

[0010] Furthermore, a motor is provided inside the inspection lower shell, and pulleys are provided on the output shaft of the motor and the middle of the front surface of the driving wheel. The two pulleys are connected by belt transmission, and the diameters of the two pulleys are different. The input end of the motor is electrically connected to the output end of the single-chip microcomputer to provide power for the rotation of the driving wheel.

[0011] Furthermore, the left sides of the inspection lower shell and the inspection upper shell are both provided with an arc plate, and the inner arc surface of the arc plate is provided with bristles, so as to brush the surface of the cable and reduce the influence of dust on the inspection result.

[0012] Furthermore, a card plate is provided at the upper end of the inspection lower shell, and the card plate is engaged with a card groove on the surface of the inspection upper shell to connect the inspection lower shell and the inspection upper shell.

[0013] Compared with the prior art, the beneficial effects of the present invention are: the self-propelled cable quality inspection device has the following advantages: 1. The clamping force of the self-propelled components can be adjusted according to the size and material of the cables, so as to avoid cable damage while ensuring a firm connection and increase the scope of use of the inspection device.

[0014] 2. The connection between the inspection device and the cable can be quickly achieved simply by snapping in, which reduces the time required for installing the inspection device and makes it more convenient to use.

[0015] 3. The inspection device has a compact structure and the weight is concentrated at the lower end of the device, making the inspection device more stable during movement and improving the accuracy of cable quality inspection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the structure of the explosion of the overall device of the present invention; Figure 3 It is a schematic structural diagram of a front cross-section of the overall device of the present invention; Figure 4 It is a schematic structural diagram of a side cross-section of the overall device of the present invention.

[0017] In the figure: 1 check lower shell, 2 check upper shell, 3 drive wheel, 4 driven wheel, 5 check camera, 6 limit mechanism, 61 connecting plate, 62 limit plate, 63 boss, 64 cross plate, 65 screw, 66 spring, 67 groove, 7 motor, 8 pulley, 9 belt, 10 data transmitter, 11 battery, 12 arc plate, 13 bristles, 14 arc mounting plate, 15 single chip microcomputer, 16 external controller, 17 card plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-4The present embodiment provides a technical solution: a self-propelled cable quality inspection device, including an inspection lower shell 1, which provides space for the arrangement of inspection components. A detachable inspection upper shell 2 is provided at the upper end of the inspection lower shell 1, which provides space for the arrangement of inspection components. The internal rotation of the inspection lower shell 1 is connected to a driving wheel 3, and the relative rotation of the driving wheel 3 and the cable enables the inspection device to automatically move along the cable. The internal rotation of the inspection upper shell 2 is connected to a driven wheel 4, which clamps the cable through cooperation with the driving wheel 3. The interior of the inspection lower shell 1 is respectively provided with a data transmitter 10, a battery The output end of the battery 11 is electrically connected to the input end of the single-chip microcomputer 15, and the single-chip microcomputer 15 is bidirectionally electrically connected to the data transmitter 10. An external controller 16 is provided on the left side of the lower shell 1 for inspection. The external controller 16 is wirelessly bidirectionally electrically connected to the data transmitter 10. The battery 11 provides power for the operation of the entire device. The data transmitter 10 can transmit data remotely. The single-chip microcomputer 15 controls the start and stop of the walking parts and the inspection parts. The external controller 16 controls the start and stop of the entire device. The relative inner sides of the lower shell 1 and the upper shell 2 are The surfaces are both open structures. The interior of the inspection lower shell 1 and the inspection upper shell 2 are both provided with an arc-shaped mounting plate 14. The inner arc surface of the arc-shaped mounting plate 14 is respectively provided with an inspection camera 5. The output end of the inspection camera 5 is electrically connected to the input end of the single-chip microcomputer 15 to collect image information on the cable surface. The interior of the inspection lower shell 1 is provided with a motor 7. The output shaft of the motor 7 and the middle part of the front surface of the driving wheel 3 are both provided with a pulley 8. The two pulleys 8 are connected by a belt 9. The diameters of the two pulleys 8 are different. The input end of the motor 7 is electrically connected to the output end of the single-chip microcomputer 15. The motor 7 is started. The output shaft of the motor 7 drives the pulley 8 on the lower side to rotate, and the transmission connection of the belt 9 makes the pulley 8 on the upper side drive the driving wheel 3 to rotate, providing power for the rotation of the driving wheel 3. The left sides of the lower shell 1 and the upper shell 2 are both provided with an arc plate 12, and the inner arc surface of the arc plate 12 is provided with bristles 13. The surface of the cable is brushed in advance to reduce the influence of dust on the inspection result. The upper end of the lower shell 1 is provided with a card plate 17, and the card plate 17 is carded with the card groove on the surface of the upper shell 2 to connect the lower shell 1 and the upper shell 2, and also includes a limiting mechanism 6; The limiting mechanism 6 includes a connecting plate 61 and a horizontal plate 64. The horizontal plate 64 is arranged inside the inspection lower shell 1. The left and right ends of the horizontal plate 64 that can be adjusted up and down are respectively provided with detachable connecting plates 61. The upper end of the connecting plate 61 is slidably connected to the slide groove on the surface of the inspection upper shell 2. The driven wheel 4 is respectively connected to the upper ends of the two connecting plates 61 corresponding to the longitudinal position through a rotating shaft. The limiting mechanism 6 also includes a limiting plate 62 and a convex column 63. The limiting plates 62 are respectively arranged at the left and right ends of the horizontal plate 64. The limiting plate 6 2 are provided with a convex column 63, and the convex column 63 is respectively plugged into the circular hole at the lower end of the adjacent connecting plate 61. The limiting mechanism 6 also includes a screw 65 and a spring 66. The screw 65 is threadedly connected to the lower end of the inspection lower shell 1, and the cross plate 64 is slidably connected to the outer arc surface of the screw 65. A spring 66 is provided between the turntable rotatably connected to the upper end of the screw 65 and the cross plate 64. The spring 66 is movably sleeved on the outer arc surface of the screw 65. When the inspection device is connected to the cable, the connecting plate 61 is pushed downward, and the sliding column at the upper end of the connecting plate 61 Slide in the slide groove on the surface of the inspection upper shell 2 to insert the protruding column 63 into the circular hole at the lower end of the connecting plate 61, and then rotate the screw 65, which is connected with the thread of the inspection lower shell 1 through the screw 65, so that the screw 65 moves downward, pushing the spring 66 to contract, and under the elastic force of the spring 66, the cross plate 64 and the limit plate 62 are pushed downward. When the driven wheel 4 contacts the cable, under the elastic force of the spring 66, the driven wheel 4 and the driving wheel 3 cooperate to clamp the cable up and down. The cable can be selected according to the thickness and material of the cable. With appropriate clamping force, the connection between the inspection device and the cable is completed. The limiting mechanism 6 also includes a groove 67, which is respectively arranged on the front and rear sides of the inspection lower shell 1. The connecting plate 61 and the limiting plate 62 are respectively located inside the adjacent grooves 67. The upper ends of the grooves 67 are both open structures, which provide space for the connection between the boss 63 and the connecting plate 61. When the connecting plate 61 moves downward, the connecting plate 61 contacts the inner wall of the groove 67, limiting the boss 63 from leaving the lower circular hole of the connecting plate 61, thereby ensuring a firm connection.

[0020] The working principle of a self-propelled cable quality inspection device provided by the present invention is as follows: when checking the cable quality, move the entire device so that the cable is located between the inspection lower shell 1 and the inspection upper shell 2, push the inspection lower shell 1 and the inspection upper shell 2 to move relative to each other, and connect the inspection lower shell 1 and the inspection upper shell 2 by engaging the card plate 17 with the card groove on the surface of the inspection upper shell 2, and then push the connecting plate 61 to move downward, and the sliding column at the upper end of the connecting plate 61 slides in the sliding groove on the surface of the inspection upper shell 2, so that the protruding column 63 is inserted into the circular hole at the lower end of the connecting plate 61, and then rotate the screw 65, and the screw 65 is threadedly connected with the inspection lower shell 1 through the screw 65, so that the screw 65 moves downward, pushing the spring 66 to contract, and under the elastic force of the spring 66, the cross plate 64 and the limit plate 62 are pushed downward, driving the connecting plate 61 to move downward into the lower end of the groove 67. At this time, the connecting plate 61 and the inner wall of the groove 67 Contact, limit the boss 63 from leaving the lower circular hole of the connecting plate 61, ensure the firm connection, when the driven wheel 4 contacts the cable, under the elastic force of the spring 66, the driven wheel 4 and the driving wheel 3 cooperate to clamp the cable up and down, complete the connection between the inspection device and the cable, and then start the motor 7 through the single-chip microcomputer 15, the output shaft of the motor 7 drives the lower pulley 8 to rotate, through the transmission connection of the belt 9, the upper pulley 8 drives the driving wheel 3 to rotate, through the friction between the driving wheel 3 and the cable, the driving wheel 3 and the cable rotate relative to each other, so that the inspection device automatically moves along the surface of the cable, during the walking process, start the inspection camera 5, collect image information on the cable surface, and wirelessly transmit it to the external controller 16 through the data transmitter 10, so that personnel can remotely view the image information on the cable surface and inspect the cable quality.

[0021] It is worth noting that the single-chip microcomputer 15 disclosed in the above embodiment can use a PIC16F1823-I / P single-chip microcomputer, the external controller 16 can use a NX7 PLC controller, the data transmitter 10, the inspection camera 5 and the motor 7 can be freely configured according to the actual application scenario, the data transmitter 10 can use a CM6560P wireless data transmitter, the inspection camera 5 can use a KN-HP857-4D high-definition camera, the motor 7 can use an RF300 motor, and the single-chip microcomputer 15 controls the data transmitter 10, the inspection camera 5 and the motor 7 using methods commonly used in the prior art.

[0022] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A self-propelled cable quality inspection device, comprising an inspection lower shell (1), wherein a detachable inspection upper shell (2) is provided at the upper end of the inspection lower shell (1), a driving wheel (3) is rotatably connected inside the inspection lower shell (1), and a driven wheel (4) is rotatably connected inside the inspection upper shell (2), wherein: It also includes a limiting mechanism (6); The limiting mechanism (6) comprises a connecting plate (61) and a transverse plate (64), wherein the transverse plate (64) is arranged inside the inspection lower shell (1), and the left and right ends of the transverse plate (64) which can be adjusted up and down are respectively provided with detachable connecting plates (61), and the upper end of the connecting plate (61) is slidably connected to the slide groove on the surface of the inspection upper shell (2), and the driven wheel (4) is respectively connected to the upper ends of the two connecting plates (61) corresponding to the longitudinal position through a rotating shaft.

2. A self-propelled cable quality inspection device according to claim 1, characterized in that: The limiting mechanism (6) further comprises a limiting plate (62) and a convex column (63). The limiting plates (62) are respectively arranged at the left and right ends of the transverse plate (64). The upper ends of the limiting plates (62) are each provided with a convex column (63). The convex columns (63) are respectively plugged into the circular holes at the lower ends of the adjacent connecting plates (61).

3. The self-propelled cable quality inspection device according to claim 1, characterized in that: The limiting mechanism (6) further comprises a screw (65) and a spring (66), wherein the screw (65) is threadedly connected to the lower end of the inspection lower shell (1), the transverse plate (64) is slidably connected to the outer arc surface of the screw (65), a spring (66) is provided between a rotating disk rotatably connected to the upper end of the screw (65) and the transverse plate (64), and the spring (66) is movably sleeved on the outer arc surface of the screw (65).

4. A self-propelled cable quality inspection device according to claim 2, characterized in that: The limiting mechanism (6) further comprises grooves (67), wherein the grooves (67) are respectively arranged on the front and rear sides of the inspection lower shell (1), and the connecting plate (61) and the limiting plate (62) are respectively located inside adjacent grooves (67).

5. The self-propelled cable quality inspection device according to claim 1, characterized in that: The inspection lower shell (1) is provided with a data transmitter (10), a storage battery (11) and a single-chip microcomputer (15) respectively inside, the output end of the storage battery (11) is electrically connected to the input end of the single-chip microcomputer (15), the single-chip microcomputer (15) and the data transmitter (10) are bidirectionally electrically connected, and an external controller (16) is provided on the left side of the inspection lower shell (1), and the external controller (16) and the data transmitter (10) are wirelessly bidirectionally electrically connected.

6. A self-propelled cable quality inspection device according to claim 5, characterized in that: The relative inner side surfaces of the inspection lower shell (1) and the inspection upper shell (2) are both open structures, and arc-shaped mounting plates (14) are provided inside the inspection lower shell (1) and the inspection upper shell (2). Inspection cameras (5) are provided on the inner arc surfaces of the arc-shaped mounting plates (14), and the output end of the inspection camera (5) is electrically connected to the input end of the single-chip computer (15).

7. The self-propelled cable quality inspection device according to claim 5, characterized in that: A motor (7) is provided inside the inspection lower shell (1), and a pulley (8) is provided at the middle of the front surface of the output shaft of the motor (7) and the driving wheel (3). The two pulleys (8) are connected by a belt (9). The two pulleys (8) have different diameters. The input end of the motor (7) is electrically connected to the output end of the single-chip computer (15).

8. The self-propelled cable quality inspection device according to claim 1, characterized in that: The left sides of the inspection lower shell (1) and the inspection upper shell (2) are both provided with an arc-shaped plate (12), and the inner arc surface of the arc-shaped plate (12) is provided with bristles (13).

9. The self-propelled cable quality inspection device according to claim 1, characterized in that: A clamping plate (17) is provided at the upper end of the inspection lower shell (1), and the clamping plate (17) is clamped with a clamping groove on the surface of the inspection upper shell (2).

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