CN219268309U

CN219268309U - Power cable overhauling device

Info

Publication number: CN219268309U
Application number: CN202320112748.5U
Authority: CN
Inventors: 刘松涛
Original assignee: Xinhongda Electric Power Group Qingdao Co ltd
Current assignee: Xinhongda Electric Power Group Qingdao Co ltd
Priority date: 2023-01-14
Filing date: 2023-01-14
Publication date: 2023-06-27
Anticipated expiration: 2033-01-14

Abstract

The utility model provides a power cable overhauling device, which belongs to the technical field of overhauling equipment and comprises a base, a pull rod, a limiting hole, rollers, a connecting plate, a circuit board, a grounding mechanism, an executing mechanism and a first controller.

Description

Power cable overhauling device

Technical Field

The utility model belongs to the technical field of overhaul equipment, and particularly relates to a power cable overhaul device.

Background

After the cable is put into operation for a long time, accidents such as damage of an outer insulating layer of the cable, breakdown of the outer insulating layer, falling of the cable and the like are frequently found in overhaul, and power failure overhaul is caused. Analyzing the reasons of the accidents: the alternating current passes through the cable and the air switch, an alternating electromagnetic field is generated around the cable and the air switch, because the current is larger, the alternating electric fields of the two cables and the air switch are also larger, the alternating electromagnetic interaction generates mechanical vibration, when the temperature exceeds a normal range, the cross-sectional area of some cables is small and exceeds the rated current-carrying capacity, the cable is not compactly laid or vortex exists, and the phenomena of breakdown of an outer insulating layer of the cable and cable falling off the rack occur. Secondly, because of the change of the power load, the cable is stretched, fatigued and cracked at the vibration bending part. Thirdly, the cable mites are generated due to vibration, and the outer insulation layer and the cable support are damaged by friction. The reasons can only carry out unplanned power failure maintenance on the tunnel cable, so that the power supply reliability can be greatly reduced, the power supply service quality is reduced, and the economic benefits of enterprises are affected. The cable is lifted from the bridge to be overhauled, the operation is convenient to examine and repair, and particularly the lifting and overhauling of the middle-path cable and the upper-path cable in the bridge are extremely difficult in the cable overhauling and maintenance process, and the lifting appliance cannot be placed because the lifting supporting point is not arranged at the lower part of the cable.

At present, most of existing power cable overhauling devices have the problems that installation is complex, additional lifting appliances are needed for auxiliary overhauling, and a worker cannot grasp the grounding safety state in real time and the grounding safety detection stability is poor.

Disclosure of Invention

In view of the above, the utility model provides a power cable maintenance device, which aims to solve the problems that the existing power cable maintenance device is complex to install, requires additional lifting devices for auxiliary maintenance, and is poor in ground safety detection stability and cannot be mastered by staff in real time.

The utility model is realized in the following way:

the utility model provides a power cable overhauling device which comprises a base, wherein a pull rod is arranged at the bottom of the base, a plurality of limiting holes are formed in the side wall of the base, rollers are further arranged at the bottom of the base, the pull rod is connected with the rollers, a connecting plate is further arranged on the side wall of the base, the connecting plate is connected with the base through the limiting holes, the connecting plate comprises a distance adjusting plate, a fixing block and the top of a groove box distance adjusting plate, a circuit board is arranged in the fixing block, the circuit board is connected with a grounding mechanism, and an executing mechanism is arranged at the top of the grounding mechanism.

The base and the connecting plate are arranged; the base is provided with a slotted hole, symmetrical limiting holes are respectively formed in the front side wall and the rear side wall of the base, the connecting plate is inserted into the symmetrical limiting holes, the slot box is movably connected with the two end parts of the connecting plate, the left end of the lower part of the slot box is propped against the bottom surface of the right side of the base, meanwhile, the circuit board and the grounding mechanism in the fixing block are arranged, the connecting buckle at the bottom of the connecting shell is arranged, and the executors at the left end and the right end of the connecting shell are respectively arranged.

On the basis of the technical scheme, the power cable overhaul device can be further improved as follows:

the base comprises a slot hole and a compression bar, wherein the slot hole is formed in the base, and the compression bar is arranged on the side wall of the base.

The number of the bases is two, and the compression bar is arranged at the joint of the two bases and is used for fixedly connecting the two bases.

The circuit board comprises an indicator light circuit and an auxiliary circuit, and the indicator light circuit is electrically connected with the auxiliary circuit.

The indicator light circuit comprises a light emitting diode D and a wiring port K, wherein the negative electrode of the light emitting diode D is electrically connected with one end of the wiring port K, the other end of the wiring port K is electrically connected with the auxiliary circuit, and the positive electrode of the light emitting diode D is electrically connected with the auxiliary circuit;

the auxiliary circuit comprises a second controller, a photosensitive sensor, a buzzer, a current limiting circuit, a follow current inductor L, a switching circuit and a NOT gate circuit; the second controller is electrically connected with the photosensitive sensor, one end of the buzzer is grounded, the other end of the buzzer is connected to one end of the current limiting circuit, the other end of the current limiting circuit is connected to one end of the follow current inductor L, the other end of the follow current inductor L is connected to one end of the switching circuit, the other end of the switching circuit is connected to the controller, the control end of the switching circuit is connected to the output end of the NOT gate circuit, and the input end of the NOT gate circuit is connected to the second controller.

The grounding mechanism comprises a grounding electrode and a connecting shell, one end of the grounding electrode is connected with the circuit board, and the other end of the connecting shell is connected with the connecting shell.

Further, a connecting buckle is arranged at the bottom of the connecting shell.

The connecting buckle has elasticity.

Further, the actuating mechanism comprises an actuator, a connecting rod and a bottom plate, one end of the connecting rod is fixedly connected with the connecting shell, and the other end of the connecting rod is fixedly connected with the bottom plate.

Wherein, the connecting rod is scalable.

Further, the device further comprises a first controller, wherein the first controller is arranged inside the connecting shell and is electrically connected with the actuator.

Further, the device further comprises a pressure sensor, wherein the pressure sensor is arranged on the inner part of the connecting buckle, and the pressure sensor is electrically connected with the first controller.

Wherein the number of the rollers is 2.

Wherein, the bottom of fixed block is provided with the slipmat.

The slipmat of the bottom of fixed block is used for strengthening the stability of fixed block when falling on the cable, avoids when the safety inspection, takes place to control the removal.

Compared with the prior art, the power cable overhauling device provided by the utility model has the beneficial effects that: the base and the connecting plate are arranged; the base is provided with a slotted hole, symmetrical limiting holes are respectively formed in the front side wall and the rear side wall of the base, the connecting plate is inserted into the symmetrical limiting holes, the slot box is movably connected with the two end parts of the connecting plate, the left end of the lower part of the slot box is propped against the bottom surface of the right side of the base, meanwhile, the circuit board and the grounding mechanism in the fixing block are arranged, the connecting buckle at the bottom of the connecting shell is arranged, and the executors at the left end and the right end of the connecting shell are respectively arranged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments of the present utility model will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall schematic of a power cable service device;

FIG. 2 is a schematic side view of a base of the power cable service device;

FIG. 3 is a schematic diagram of electrical connections of a circuit board of a power cable service device;

FIG. 4 is an electrical connection diagram of a first controller of the power cable service device;

in the drawings, the list of components represented by the various numbers is as follows:

1. a base; 11. a slot hole; 12. a compression bar; 2. a pull rod; 3. a limiting hole; 4. a roller; 5. a connecting plate; 51. a distance adjusting plate; 52. a fixed block; 6. a circuit board; 61. an indicator light circuit; 62. an auxiliary circuit; 7. a grounding mechanism; 71. a ground electrode; 72. a connection housing; 721. a connecting buckle; 8. an actuator; 81. an actuator; 82. a connecting rod; 83. a bottom plate; 9. a first controller; 91. a pressure sensor.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

As shown in fig. 1, in the first embodiment of the power cable maintenance device provided by the utility model, the power cable maintenance device is provided with a base 1, a pull rod 2 is arranged at the bottom of the base 1, a plurality of limiting holes 3 are formed in the side wall of the base 1, a roller 4 is further arranged at the bottom of the base 1, the pull rod 2 is connected with the roller 4, a connecting plate 5 is further arranged on the side wall of the base 1, the connecting plate 5 is connected with the base 1 through the limiting holes 3, the connecting plate 5 comprises a distance adjusting plate 51, a fixing block 52 and the top of the groove box distance adjusting plate 51, a circuit board 6 is arranged in the fixing block 52, the circuit board 6 is connected with a grounding mechanism 7, and an executing mechanism 8 is arranged at the top of the grounding mechanism 7.

When the cable is used, the base 1 is arranged on the ground of a tunnel, the groove box movably connected with the base 1 is arranged below the cable, the fixed blocks 52 are fixed in the groove box, the connecting plate 5 changes the position through the limiting holes 3, the angle between the groove box and the base 1 is changed, the movable distance adjusting plate 51 can conduct angle fine adjustment, the fixed blocks 52 can lift the actuating mechanisms 8 above from different angles, the base 1 is in butt joint up and down, the fixed blocks 52 can lift the actuating mechanisms 8 of different layers, the connecting buckles 721 of the connecting shell 72 are fixed on the armor of the cable, at the moment, the pressure sensors 91 on the inner wall of the connecting buckles 721 control the actuators 81 to start working when pressure values are detected, the actuators 81 control the expansion and contraction of the connecting rods 82, the bottom plate 83 at the bottom of the connecting rods 82 can be in contact with the ground, the overall stability of the power cable maintenance device is enhanced, the cable can be conveniently moved in the tunnel to maintain the cable, the labor intensity can be reduced, the construction safety is ensured, and the labor efficiency is improved.

In the above technical solution, as shown in fig. 2, the base 1 includes a slot 11 and a compression bar 12, the slot 11 is disposed inside the base 1, and the compression bar 12 is disposed on a side wall of the base 1.

As shown in fig. 3, in the above technical solution, the circuit board 6 includes an indicator light circuit 61 and an auxiliary circuit 62, and the indicator light circuit 61 is electrically connected to the auxiliary circuit 62.

According to the utility model, the channel steel support is arranged on the ground of a tunnel, the groove box movably connected with the channel steel support is arranged below a cable, the horizontal jack is fixed in the groove box, the position of the hanging shaft is changed through the transposition hole, so that the angle between the groove box and the channel steel frame plate is changed, the angle fine adjustment can be performed by moving the distance adjusting plate, and the horizontal jack can lift the cable above from different angles. The channel steel supports are in up-down butt joint, so that the horizontal jack can lift cables with different layers. The utility model has simple structure, rapid assembly and convenient maintenance of the cable by moving in the tunnel, can reduce the labor intensity, ensure the construction safety and improve the labor efficiency.

In the above-described embodiment, the grounding mechanism 7 includes the grounding electrode 71 and the connection housing 72, one end of the grounding electrode 71 is connected to the circuit board 6, and the other end of the connection housing 72 is connected to the connection housing 72.

Further, in the above-described embodiment, the bottom of the connection housing 72 is provided with the connection buckle 721.

Further, in the above technical solution, the actuator 8 includes an actuator 81, a connecting rod 82 and a bottom plate 83, one end of the connecting rod 82 is fixedly connected with the connection housing 72, and the other end of the connecting rod 82 is fixedly connected with the bottom plate 83.

Among them, the actuator 81 is a model XMZ-electric actuator 00004 manufactured by siemens limited.

Further, as shown in fig. 4, in the above technical solution, the device further includes a first controller 9, the first controller 9 is disposed inside the connection housing 72, and the first controller 9 is electrically connected to the actuator 81.

The first controller 9 is manufactured by Shanghai east soft carrier microelectronics limited company and has a model number of ES8P506.

Further, in the above-mentioned technical solution, the device further includes a pressure sensor 91, the pressure sensor 91 is disposed on the inside of the connecting buckle 721, and the pressure sensor 91 is electrically connected to the first controller 9.

In use, the connector 721 engages the cable armour and when the pressure sensor 91 detects the pressure, the first controller 9 controls the actuators 81 to start working.

The pressure sensor 91 is manufactured by Shanghai Dijia sensor technology Co., ltd. And has the model DJYZ-13.

In the above technical solution, the number of the rollers 4 is 2.

In the above technical solution, the bottom of the fixing block 52 is provided with an anti-slip pad.

Specifically, the principle of the utility model is as follows: when the cable is used, the base 1 is arranged on the ground of a tunnel, the groove box movably connected with the base 1 is arranged below the cable, the fixed blocks 52 are fixed in the groove box, the connecting plate 5 changes the position through the limiting holes 3, the angle between the groove box and the base 1 is changed, the movable distance adjusting plate 51 can conduct angle fine adjustment, the fixed blocks 52 can lift the actuating mechanisms 8 above from different angles, the base 1 is in butt joint up and down, the fixed blocks 52 can lift the actuating mechanisms 8 of different layers, the connecting buckles 721 of the connecting shell 72 are fixed on the armor of the cable, at the moment, the pressure sensors 91 on the inner wall of the connecting buckles 721 control the actuators 81 to start working when pressure values are detected, the actuators 81 control the expansion and contraction of the connecting rods 82, the bottom plate 83 at the bottom of the connecting rods 82 can be in contact with the ground, the overall stability of the power cable maintenance device is enhanced, the cable can be conveniently moved in the tunnel to maintain the cable, the labor intensity can be reduced, the construction safety is ensured, and the labor efficiency is improved.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The utility model provides a power cable overhauls device, its characterized in that has base (1), the bottom of base (1) is provided with pull rod (2), a plurality of spacing holes (3) have been seted up on the lateral wall of base (1), the bottom of base (1) still is provided with gyro wheel (4), pull rod (2) with gyro wheel (4) are connected, still be provided with connecting plate (5) on the lateral wall of base (1), connecting plate (5) with base (1) are passed through spacing hole (3) are connected, connecting plate (5) are including distance adjusting plate (51), fixed block (52) and the top of groove box distance adjusting plate (51), the inside of fixed block (52) is provided with circuit board (6), circuit board (6) are connected with grounding mechanism (7), the top of grounding mechanism (7) is provided with actuating mechanism (8).

2. The power cable overhaul device according to claim 1, characterized in that the base (1) comprises a slot (11) and a compression bar (12), the slot (11) is arranged inside the base (1), and the compression bar (12) is arranged on the side wall of the base (1).

3. A power cable service device according to claim 1, characterized in that the circuit board (6) comprises an indicator light circuit (61) and an auxiliary circuit (62), the indicator light circuit (61) being electrically connected to the auxiliary circuit (62).

4. A power cable inspection device according to claim 1, characterized in that the grounding mechanism (7) comprises a grounding electrode (71) and a connection housing (72), one end of the grounding electrode (71) is connected with the circuit board (6), and the other end of the connection housing (72) is connected with the connection housing (72).

5. A power cable overhaul device according to claim 4, characterized in that the bottom of the connection housing (72) is provided with a connection buckle (721).

6. The power cable maintenance device according to claim 5, wherein the actuator (8) comprises an actuator (81), a connecting rod (82) and a bottom plate (83), one end of the connecting rod (82) is fixedly connected with the connecting housing (72), and the other end of the connecting rod (82) is fixedly connected with the bottom plate (83).

7. A power cable service device according to claim 6, further comprising a first controller (9), the first controller (9) being arranged inside the connection housing (72), the first controller (9) being electrically connected to the actuator (81).

8. The power cable inspection device according to claim 7, further comprising a pressure sensor (91), the pressure sensor (91) being disposed on an interior of the connector link (721), the pressure sensor (91) being electrically connected to the first controller (9).

9. A power cable service device according to claim 1, characterized in that the number of rollers (4) is 2.

10. A power cable service device according to claim 1, characterized in that the bottom of the fixed block (52) is provided with a non-slip mat.