CN214479057U - Power cable maintenance auxiliary device - Google Patents

Abstract

The utility model relates to a power cable maintenance auxiliary device especially relates to the field of cable maintenance facility, and it includes support frame and workstation, the workstation sets up on the support frame, be provided with straining device and stationary tong on the workstation, straining device is including activity clamp and reciprocal subassembly, the activity clamp is just to setting up with the jaw of stationary tong, reciprocal subassembly sets up on the workstation, is used for driving the activity clamp is to the stationary tong direction motion of being close to or keeping away from. This application can carry out the tensioning to the cable when supporting the cable, has the effect that the cable damage department of being convenient for is connected.

Description

Power cable maintenance auxiliary device

Technical Field

The application relates to the field of cable maintenance facilities, in particular to a power cable maintenance auxiliary device.

Background

The power cable is used for transmitting and distributing electric energy and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and underwater power transmission lines crossing river and sea. The cables can be damaged by external force in the processes of storage, transportation, laying and operation, and particularly, the operated directly buried cables are easy to be damaged in ground construction of other projects. At present, when damaged cables are repaired, the cables are generally required to be supported in order to ensure the repair safety and the repair quality.

The utility model discloses a chinese utility model patent of application number 201220457563.X discloses a cable maintenance fixing device, including support frame, fixed clamp and activity clamp, the fixed clamp sets up on the support frame, the fixed clamp with activity clamp swing joint. The fixed clamp body and the movable clamp body are correspondingly provided with a pair of grooves. And the inner side of the groove is provided with an anti-slip pad. One end of the fixed clamp body is hinged with one end of the movable clamp body, the other end of the fixed clamp body and the other end of the movable clamp body are respectively provided with a screw hole or a screw groove, and a clamping screw is arranged in the screw hole or the screw groove. The support frame includes N supporting legs, be provided with the crossbeam between the supporting leg, the supporting leg lower extreme is provided with the supporting legs, and N is not less than 3 natural numbers.

In view of the above related technologies, the inventor thinks that after the cable is supported, the suspended portion of the cable is susceptible to sagging under the influence of gravity, so that the damaged portion of the cable is not easy to butt, and the damaged portion of the cable is not convenient to connect.

SUMMERY OF THE UTILITY MODEL

In order to improve the difficult problem of connecting in cable damage department that the support cable leads to, this application provides a power cable maintenance auxiliary device.

The application provides a power cable maintenance auxiliary device adopts following technical scheme:

the utility model provides a power cable maintenance auxiliary device, includes support frame and workstation, the workstation sets up on the support frame, be provided with straining device and fixed clamp on the workstation, straining device is including activity clamp and reciprocal subassembly, the vice jaw of activity clamp and fixed clamp is just to setting up, reciprocal subassembly sets up on the workstation, is used for driving the activity clamp is to the fixed clamp direction motion of being close to or keeping away from.

By adopting the technical scheme, when the damaged cable is maintained, the auxiliary device for maintaining the power cable is moved to be close to the damaged part of the cable, the cable bracket is placed in the jaws of the movable clamp and the fixed clamp, and the movable clamp is adjusted to clamp the cable, then the reciprocating component is adjusted to drive the movable clamp to be close to the fixed clamp, after the movable clamp is close to the fixed clamp, the jaw of the fixed clamp is adjusted to clamp the cable, the jaw of the movable clamp is loosened, then the reciprocating component drives the movable clamp to reset, after the movable clamp reaches a station far away from the fixed clamp, and (3) clamping the cable again by the movable clamp, loosening the fixed clamp, repeating the process until one side of the cable far away from the damaged part is tensioned, continuously fixing the cable by the fixed clamp until the damaged part of the cable is repaired, adjusting the fixed clamp to open, and removing the auxiliary device for repairing the power cable. The designed tensioning mechanism drives the movable clamp to move through the reciprocating assembly to perform traction tensioning on the cable, and the limitation of the stroke of the reciprocating assembly on the traction distance of the cable is eliminated through clamping cooperation with the fixed clamp, so that the cable is conveniently tensioned continuously, and the damaged part of the cable is convenient to approach and butt joint.

Optionally, the movable clamp and the fixed clamp are both electric clamps, and a sensor is arranged on the movable clamp and/or the fixed clamp and used for providing signals for opening and closing of the fixed clamp and the movable clamp; the workbench is also provided with a storage battery, and the storage battery is used for supplying power to the movable clamp, the fixed clamp and the sensor.

Through adopting above-mentioned technical scheme for the maintenance auxiliary device can carry out the opening and shutting of fixed clamp and activity clamp automatically, helps promoting tensioning efficiency, and can alleviate maintenance personal's work burden.

Optionally, the sensor is provided as a distance sensor.

By adopting the technical scheme, when the distance sensor senses that the distance between the movable clamp and the fixed clamp reaches the set minimum distance, signals are sequentially sent to the fixed clamp and the movable clamp, the controller of the fixed clamp controls the fixed clamp to be closed and clamps the cable, the controller of the movable clamp controls the movable clamp to be opened, and then the reciprocating assembly drives the movable clamp to move in the direction away from the fixed clamp; after the distance sensor senses that the distance between the movable clamp and the fixed clamp reaches a set maximum distance, signals are sent to the movable clamp and the fixed clamp in sequence, the controller of the movable clamp controls the movable clamp to be closed to clamp the cable, the controller of the fixed clamp controls the fixed clamp to be opened, and then the reciprocating assembly drives the movable clamp to move towards the direction close to the fixed clamp. The fixed clamp and the movable clamp are controlled through the distance between the movable clamp and the fixed clamp, the control precision is high, and the use is convenient.

Optionally, the reciprocating assembly includes a sliding block and a driving part, a sliding groove for the sliding block to slide is formed in the workbench, the movable clamp is arranged on the sliding block, and the driving part is arranged on the workbench and used for driving the sliding block to slide in the sliding groove in a direction close to or away from the fixed clamp.

By adopting the technical scheme, the driving part drives the sliding block to move, so that the movable clamp on the sliding block moves along with the sliding block to tension the cable, the movement track of the movable clamp is limited by the sliding block and the sliding groove, and the possibility of separation from the jaw of the fixed clamp in the cable tensioning process is reduced.

Optionally, the driving component includes a servo motor and a transmission screw rod, a thread section of the transmission screw rod is arranged in the sliding groove along the length direction of the sliding groove, the transmission screw rod is rotatably connected with a groove wall of the sliding groove, penetrates through the sliding block and is in threaded connection with the sliding block, the servo motor is fixedly arranged on the workbench, an output shaft of the servo motor is coaxially connected with the transmission screw rod, and the servo motor is electrically connected with the storage battery.

Through adopting above-mentioned technical scheme, servo motor is through driving drive screw positive and negative rotation, and then makes slider along drive screw axis direction reciprocating motion, simple structure, and control accuracy is high, convenient and practical.

Optionally, the driving component includes a driving motor and a reciprocating lead screw, a thread section of the reciprocating lead screw is arranged in the chute along the length direction of the chute, the reciprocating lead screw is rotatably connected with a chute wall of the chute, penetrates through the sliding block and is in threaded connection with the sliding block, the driving motor is fixedly arranged on the workbench, an output shaft of the driving motor is coaxially connected with the reciprocating lead screw, and the driving motor is electrically connected with the storage battery.

By adopting the technical scheme, the driving motor drives the reciprocating lead screw to rotate, the sliding block reciprocates along the axial direction of the reciprocating lead screw along the thread of the reciprocating lead screw, and the reciprocating movement of the sliding block is realized through the reciprocating lead screw, so that the reciprocating movement of the movable clamp can be realized only through the driving motor with unidirectional rotation, the manufacturing cost of the power cable maintenance auxiliary device is effectively reduced, and the cost is saved.

Optionally, the jaws of the fixed clamp and the movable clamp are provided with elastic cushion layers.

Through adopting above-mentioned technical scheme, the elasticity bed course of design protects the cable, reduces the jaw of fixed clamp and activity clamp and causes the damage to the cable.

Optionally, an auxiliary supporting leg is further arranged below the workbench and arranged on one side, far away from the fixed clamp, of the workbench.

Through adopting above-mentioned technical scheme, the auxiliary supporting leg of design carries out auxiliary stay to the workstation, and the counter force that the cable was used on the workstation when reducing activity clamp stretch-draw cable causes the possibility that the workstation tumbles.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the designed tensioning mechanism drives the movable clamp to move through the reciprocating assembly to draw and tension the cable, and the limit of the stroke of the reciprocating assembly on the drawing distance of the cable is cancelled through the clamping and matching of the tensioning mechanism and the fixed clamp, so that the cable is conveniently and continuously tensioned, and the damaged part of the cable is convenient to approach and butt;

2. the designed sensor is matched with the driving part, so that the power cable maintenance auxiliary device can automatically tension the cable, the tensioning efficiency is improved, and the labor burden of maintenance personnel can be reduced;

3. the auxiliary supporting leg of design carries out auxiliary stay to the workstation, and the counter force that the cable was used on the workstation when reducing the activity clamp stretch-draw cable causes the workstation to tumble the possibility.

Drawings

Fig. 1 is a schematic view of the overall structure of a first view of a power cable maintenance auxiliary device according to embodiment 1 of the present application.

Fig. 2 is a schematic structural diagram of a second perspective view of the power cable maintenance aid according to embodiment 1 of the present application.

Fig. 3 is a schematic structural view of a tension mechanism portion in the power cable maintenance assist device according to embodiment 2 of the present application.

Description of reference numerals: 1. a support frame; 11. a support plate; 12. a main support leg; 121. a ball head base; 2. a work table; 21. a platen; 22. a mounting seat; 221. a chute; 3. fixing the clamp; 4. a movable clamp; 5. a reciprocating assembly; 51. a slider; 52. a drive member; 521. a drive motor; 522. a reciprocating screw; 523. a servo motor; 524. a drive screw; 6. auxiliary support legs; 7. a storage battery; 8. a sensor; 9. an elastic cushion layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Example 1

The embodiment 1 of the application discloses a power cable maintenance auxiliary device. Referring to fig. 1, the power cable maintenance assisting apparatus includes a support frame 1, a table 2, a fixing clamp 3, a tensioning mechanism, and an auxiliary support leg 6. The workbench 2 comprises a bedplate 21 and a mounting seat 22 which are integrally arranged, the mounting seat 22 is arranged above the bedplate 21, and the bedplate 21 is welded on the support frame 1. The fixed clamp 3 is fixed on one side of the mounting seat 22 through a bolt, and the opening and closing plane of the jaw of the fixed clamp 3 is vertical to the length direction of the mounting seat 22. The tensioning mechanism comprises a movable clamp 4 and a reciprocating assembly 5, the reciprocating assembly 5 is arranged on the workbench 2, the reciprocating direction of the reciprocating assembly 5 is the same as the length direction of the mounting seat 22, the movable clamp 4 is arranged on the reciprocating assembly 5, the opening and closing plane of the jaw of the movable clamp 4 is also vertical to the length direction of the mounting seat 22, when the fixed clamp 3 and the movable clamp 4 are both closed, the jaws of the fixed clamp 3 and the movable clamp 4 are just opposite to each other, and the auxiliary supporting leg 6 is arranged at the bottom of the platen 21 on one side far away from the fixed clamp 3.

Referring to fig. 1, in order to realize the automatic opening and closing of the fixed clamp 3 and the movable clamp 4, in this embodiment, the fixed clamp 3 and the movable clamp 4 both adopt electric clamps, and the power cable maintenance auxiliary device further includes a storage battery 7 and a sensor 8, the storage battery 7 is detachably disposed on the top wall of the bedplate 21 through a bolt, in this embodiment, the sensor 8 adopts a distance sensor, the distance sensor is fixed on the side wall of the fixed clamp 3 close to the movable clamp 4 through a bolt, and in other embodiments, the distance sensor can also be fixed on the side wall of the movable clamp 4 close to the fixed clamp 3. The storage battery 7 is electrically connected with the fixed clamp 3, the movable clamp 4 and the sensor 8, and the fixed clamp 3 and the movable clamp 4 are also electrically connected with the sensor 8.

Referring to fig. 1, in order to reduce the possibility of damage to the cable during the cable tensioning process, elastic cushions 9 are adhered to the jaws of the fixed clamp 3 and the movable clamp 4, and in this embodiment, the elastic cushions 9 are rubber cushions.

Referring to fig. 1, the reciprocating assembly 5 includes a sliding block 51 and a driving part 52, a sliding groove 221 is formed in the mounting seat 22, the sliding groove 221 is arranged along the length direction of the mounting seat 22, the sliding block 51 is slidably mounted in the sliding groove 221, and the movable clamp 4 is fixed on the top wall of the sliding block 51 through a bolt. The driving part 52 comprises a driving motor 521 and a reciprocating lead screw 522, a thread section of the reciprocating lead screw 522 is arranged in the sliding groove 221 along the length direction of the sliding groove 221, and penetrates through the sliding block 51 and is in threaded connection with the sliding block 51, one end, far away from the fixed clamp 3, of the reciprocating lead screw 522 penetrates out of the groove wall of the sliding groove 221 and is rotationally connected with the groove wall of the sliding groove 221 through a bearing, the driving motor 521 is fixed on the top wall, far away from the fixed clamp 3, of the platen 21 through a bolt, and an output shaft of the driving motor 521 is coaxially connected with one end, penetrating out of the sliding groove 221, of the reciprocating lead screw 522 through a coupler. The drive motor 521 is also electrically connected to the battery 7.

Referring to fig. 1 and 2, the support frame 1 includes a support plate 11 and three main support legs 12, the support plate 11 is circular, the platen 21 is welded on the support plate 11, the main support legs 12 are equidistantly arranged on the support plate 11 along the circumferential direction of the support plate 11, and one ends of the main support legs 12 close to the support plate 11 are hinged to the support plate 11 through a rotating shaft arranged along the tangential direction of the positions. The main supporting leg 12 is provided with a ball head at one end far away from the supporting plate 11, and is rotatably connected with a ball head base 121 to increase the contact area with the ground. The auxiliary supporting legs 6 are the same as the main supporting legs 12 in structure, the auxiliary supporting legs 6 are hinged to one side, far away from the fixed clamp 3, of the supporting plate 11, and the auxiliary supporting frame 1 supports the auxiliary supporting legs.

The implementation principle of the power cable maintenance auxiliary device in embodiment 1 of the application is as follows: when the damaged cable is maintained, the power cable maintenance auxiliary device is moved to a position close to the damaged part of the cable, and the main supporting leg 12 and the auxiliary supporting leg 6 are rotated and unfolded to complete the erection of the power cable maintenance auxiliary device.

Then, the cable bracket is placed in the jaws of the movable clamp 4 and the fixed clamp 3, the storage battery 7 is opened, and the movable clamp 4 is adjusted to clamp the cable; then, the driving motor 521 is started, the driving motor 521 drives the reciprocating screw 522 to rotate, and the slide block 51 drives the movable clamp 4 to move towards the direction close to the fixed clamp 3 along with the rotation of the reciprocating screw 522; when the distance sensor senses that the distance between the movable clamp 4 and the fixed clamp 3 reaches a set minimum distance, the distance sensor sequentially sends signals to the fixed clamp 3 and the movable clamp 4, the controller of the fixed clamp 3 controls the fixed clamp 3 to be closed to clamp a cable, and the controller of the movable clamp 4 controls the movable clamp 4 to be opened; the slide block 51 moves to the end part of the reciprocating screw rod close to the fixed clamp 3 along with the slide block 51, and the slide block 51 moves reversely along the thread on the reciprocating screw rod to drive the movable clamp 4 to be far away from the fixed clamp 3; when the distance sensor senses that the distance between the movable clamp 4 and the fixed clamp 3 reaches a set maximum distance, the distance sensor sequentially sends signals to the movable clamp 4 and the fixed clamp 3, the controller of the movable clamp 4 controls the movable clamp 4 to be closed to clamp a cable, the controller of the fixed clamp 3 controls the fixed clamp 3 to be opened, then the sliding block 51 moves reversely again, the process is repeated, and the cable is continuously tensioned; and when the damaged part of the cable is repaired, the fixed clamp 3 is adjusted to be opened, and the auxiliary device for repairing the power cable is removed.

Example 2

This embodiment 2 discloses a power cable maintenance auxiliary device, which is different from embodiment 1 in that: referring to fig. 3, the driving motor 521 is replaced with a servo motor 523, and the reciprocating screw 522 is replaced with a driving screw 524. The sensor 8 adopts a position sensor and is fixed on the movable clamp 4 through a bolt.

The implementation principle of the embodiment 2 of the application is different from that of the embodiment 1 in that: the rotation direction of the reciprocating screw 522 is changed by the rotation direction change of the servo motor 523, so that the movement direction of the slider 51 is changed. The position of the movable clamp 4 is determined through the position sensor, when the movable clamp 4 reaches a set position close to the fixed clamp 3, the position sensor sequentially sends signals to the fixed clamp 3 and the movable clamp 4, the controller of the fixed clamp 3 controls the fixed clamp 3 to be closed to clamp a cable, and the controller of the movable clamp 4 controls the movable clamp 4 to be opened; when the movable clamp 4 reaches a set station far away from the fixed clamp 3, the position sensor sequentially sends signals to the movable clamp 4 and the fixed clamp 3, the controller of the movable clamp 4 controls the movable clamp 4 to be closed to clamp a cable, and the controller of the fixed clamp 3 controls the fixed clamp 3 to be opened.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a power cable maintenance auxiliary device, includes support frame (1) and workstation (2), workstation (2) set up on support frame (1), its characterized in that: be provided with straining device and fixed clamp (3) on workstation (2), straining device includes movable clamp (4) and reciprocal subassembly (5), the vice jaw of movable clamp (4) and fixed clamp (3) is just to setting up, reciprocal subassembly (5) set up on workstation (2) for drive movable clamp (4) are to being close to or the fixed clamp (3) direction motion of keeping away from.

2. The power cable maintenance aid of claim 1, wherein: the movable clamp (4) and the fixed clamp (3) are both electric clamps, a sensor (8) is arranged on the movable clamp (4) and/or the fixed clamp (3), and the sensor (8) is used for providing signals for opening and closing of the fixed clamp (3) and the movable clamp (4); the workbench (2) is further provided with a storage battery (7), and the storage battery (7) is used for supplying power to the movable clamp (4), the fixed clamp (3) and the sensor (8).

3. A power cable maintenance aid according to claim 2, wherein: the sensor (8) is arranged as a distance sensor.

4. A power cable repair aid according to claim 2 or 3, wherein: reciprocating assembly (5) include slider (51) and driver part (52), set up on workstation (2) and supply slider (51) spout (221) that slide, activity clamp (4) set up on slider (51), driver part (52) set up on workstation (2) for drive slider (51) slide to the direction that is close to or keeps away from fixed clamp (3) in spout (221).

5. The power cable maintenance aid of claim 4, wherein: the driving part (52) comprises a servo motor (523) and a transmission lead screw (524), a thread section of the transmission lead screw (524) is arranged in the sliding groove (221) along the length direction of the sliding groove (221), the transmission lead screw (524) is rotatably connected with the groove wall of the sliding groove (221), penetrates through the sliding block (51) and is in threaded connection with the sliding block (51), the servo motor (523) is fixedly arranged on the workbench (2), an output shaft of the servo motor (523) is coaxially connected with the transmission lead screw (524), and the servo motor (523) is electrically connected with the storage battery (7).

6. The power cable maintenance aid of claim 4, wherein: the driving component (52) comprises a driving motor (521) and a reciprocating lead screw (522), the thread section of the reciprocating lead screw (522) is arranged in the sliding groove (221) along the length direction of the sliding groove (221), the reciprocating lead screw (522) is rotatably connected with the groove wall of the sliding groove (221), penetrates through the sliding block (51) and is in threaded connection with the sliding block (51), the driving motor (521) is fixedly arranged on the workbench (2), the output shaft of the driving motor (521) is coaxially connected with the reciprocating lead screw (522), and the driving motor (521) is electrically connected with the storage battery (7).

7. The power cable maintenance aid of claim 1, wherein: elastic cushion layers (9) are arranged at the openings of the fixed clamp (3) and the movable clamp (4).

8. The power cable maintenance aid of claim 1, wherein: and auxiliary supporting legs (6) are further arranged below the workbench (2), and the auxiliary supporting legs (6) are arranged on one side, far away from the fixed clamp (3), of the workbench (2).

Images