CN111864631A - Emergency repair method and equipment for overhead line - Google Patents
Emergency repair method and equipment for overhead line Download PDFInfo
- Publication number
- CN111864631A CN111864631A CN202010829286.XA CN202010829286A CN111864631A CN 111864631 A CN111864631 A CN 111864631A CN 202010829286 A CN202010829286 A CN 202010829286A CN 111864631 A CN111864631 A CN 111864631A
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- cable
- emergency
- terminal
- overhead line
- line
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
Abstract
An emergency repair method and equipment for an overhead line are disclosed, wherein the emergency repair method for the overhead line comprises the following steps: connecting a cable terminal and a cable joint to two ends of an emergency cable in advance; transporting the cable terminal, the cable joint and the emergency cable to an accident site; lifting the cable terminal and the emergency cable until the cable terminal and the emergency cable reach a position to be emergently repaired, and completing connection with the overhead conducting line; connecting the fault line with an emergency cable through a cable joint, and starting temporary power supply; and after the positive line power supply line is recovered, the cable terminal, the cable joint and the emergency cable are recovered. According to the embodiment of the invention, the cable terminal and the cable joint are respectively connected at the two ends of the emergency cable in advance, so that the time for connecting and manufacturing the cable on site is reduced. The cable terminal and the emergency cable are directly conveyed to the position to be subjected to emergency repair, the cable terminal is connected with the overhead conductor, the temporary wiring of a fault line is completed through a cable joint, and the temporary power supply is finally realized through very simple steps.
Description
Technical Field
The invention belongs to the field of electric power rush-repair equipment, and particularly relates to an overhead line emergency rush-repair method and equipment.
Background
Along with the rapid development of the science and technology in China, the demand of resident power and factory power is continuously increased, the structure of an overhead power transmission system is more and more complex, and the requirement on stability is higher and higher. The overhead line is often influenced by various factors such as line aging, rough construction, support foundation settlement, small aircrafts, natural disasters and the like, and needs to be repaired temporarily or changed due to matching with municipal construction and the like. For effectively coping with the rapid recovery power supply when the overhead line is moved to change and is salvageed temporarily, avoid causing accidents such as large tracts of land power failure, the mode that adopts at present is: and constructing a temporary overhead line or building a temporary support platform, and then carrying out temporary power transmission by using the power cable line. However, when the temporary power supply is performed in this way, a long time is consumed due to the high position of the overhead line tower, and a large-area and long-time power failure may be caused in this time, which may cause a great influence on daily production and life.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the embodiment of the invention provides an overhead line emergency repair method, which solves the problems of low efficiency and long time spent on cable emergency repair. The embodiment of the invention also provides the equipment for emergency repair of the overhead line.
According to the embodiment of the first aspect of the invention, the emergency repair method for the overhead line comprises the following steps: connecting a cable terminal and a cable joint to two ends of an emergency cable in advance; transporting the cable terminal, the cable joint and the emergency cable to an accident site; lifting the cable terminal and the emergency cable until the cable terminal reaches a position to be emergently repaired, and completing connection with an overhead conducting line; connecting a fault line with the emergency cable through the cable joint, and starting temporary power supply; and after the positive line power supply line is recovered, the cable terminal, the cable joint and the emergency cable are recovered.
The emergency repair method for the overhead line provided by the embodiment of the invention at least has the following technical effects: the cable terminal and the cable joint are connected to two ends of the emergency cable in advance, so that the time for cable connection manufacturing on site can be greatly reduced, and the temporary power supply line can be built only after the emergency cable is conveyed to an accident site. The cable terminal and the emergency cable are directly conveyed to the position to be emergently repaired, the cable terminal is connected with the overhead conductor circuit, temporary wiring of the overhead conductor can be completed, temporary wiring of a fault line is completed through a cable joint, and temporary power supply is finally achieved through very simple steps. In addition, after temporary power supply is finished every time, the cable terminal, the cable joint and the emergency cable can be recycled, and resource waste is avoided.
According to some embodiments of the invention, the cable termination reaching the location to be emergency repaired is carried out by means of a visual device.
According to a second aspect of the invention, the emergency repair equipment for the overhead line comprises: the emergency cable assembly comprises an emergency cable, and a cable terminal and a cable joint which are respectively connected to two ends of the emergency cable; the vehicle-mounted system comprises a carrier loader and an operating device matched with the carrier loader, wherein the operating device is used for realizing lifting operation on the emergency cable and fixing operation on the cable terminal; and the cable driving integrated device is matched with the carrier loader and used for coiling the emergency cable and realizing the unfolding and folding operations of the emergency cable.
The overhead line emergency repair equipment provided by the embodiment of the invention at least has the following technical effects: the position that needs connect emergency cable can be realized placing emergency cable fast through operating means and cable drive integrated device to realize fixing cable terminal's high-speed joint through operating means, whole emergency cable place and cable terminal's connection in-process, need not set up interim aerial equipment, very big saving the time and the cost of setting up of interim power supply line. In addition, the rapid transfer of the overhead line emergency repair equipment provided by the embodiment of the invention can be realized through the carrying cart, so that the time for assembling and transporting is greatly saved.
According to some embodiments of the invention, the overhead line emergency repair equipment further comprises an auxiliary installation monitoring assembly, which is arranged at the top end of the operating device and is used for detecting the height and the state of the cable terminal.
According to some embodiments of the invention, the secondary installation monitoring assembly comprises; the height sensor is arranged at the top end of the operating device and used for detecting the height of the cable terminal; and the visual equipment is arranged at the top end of the operating device and is used for acquiring the real-time state of the cable terminal.
According to some embodiments of the invention, the handling device employs a crane; the emergency cable and the cable terminal are arranged on a suspension arm of the crane.
According to some embodiments of the invention, the emergency cable is detachably fixed to the boom of the crane by a cable fixing clip.
According to some embodiments of the invention, the tip of the boom of the crane is provided with a detachable insulating rope.
According to some embodiments of the invention, the vehicle-mounted system is provided with a sliding support part for protecting the emergency cable from sliding.
According to some embodiments of the invention, a cable drive integrated device comprises: the cable turntable of the slewing bearing device is detachably fixed on the supporting surface of the slewing bearing device; and the driving mechanism is used for driving the slewing bearing device to rotate.
According to some embodiments of the invention, the in-vehicle system further comprises an integrated platform, the cable drive integrated device being disposed on the integrated platform.
According to some embodiments of the invention, the integrated platform is removably connected to the cart.
According to some embodiments of the invention, the integrated platform is further provided with legs.
According to some embodiments of the invention, the drive mechanism comprises: a transmission member, one end of which is connected with the slewing bearing device; and the driving motor is connected with the other end of the transmission part and is used for driving the slewing bearing device to rotate through the transmission part.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flow chart of an emergency repair method for an overhead line according to an embodiment of the present invention;
fig. 2 is a schematic front view (transportation state) of an overhead line emergency repair apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a cable drive integrated device according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a slewing bearing device according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a cable carousel according to an embodiment of the invention;
fig. 6 is a schematic front view (working state) of an overhead line emergency repair apparatus according to an embodiment of the present invention;
fig. 7 is a working condition diagram of the emergency repair equipment for the overhead line according to the embodiment of the invention.
Reference numerals:
an emergency cable 110, a cable termination 120, a cable joint 130,
A carrier vehicle 210, an operating device 220, a boom 221, a cable fixing clamp 222, an insulating rope 223, a sliding support part 230, an integrated platform 240, a support leg 241, a cable clamp,
Cable drive integrated device 300, pivoting support device 310, positioning component 311, cable turntable 320, fixing part 321, drive mechanism 330, transmission part 331, drive motor 332,
Aiding in the installation of the monitoring assembly 400.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, if there are first, second, third, fourth, etc. described only for the purpose of distinguishing technical features, they are not to be interpreted as indicating or implying relative importance or implying number of indicated technical features or implying precedence of indicated technical features.
In the description of the present invention, unless otherwise explicitly defined, terms such as arrangement, connection and the like should be broadly construed, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the detailed contents of the technical solutions.
An emergency repair method for an overhead line according to an embodiment of the first aspect of the present invention is described below with reference to fig. 1 to 7.
According to the embodiment of the first aspect of the invention, the emergency repair method for the overhead line comprises the following steps:
the cable terminal 120 and the cable joint 130 are previously connected to both ends of the emergency cable 110;
transporting the cable termination 120, the cable joint 130, the emergency cable 110 to the accident site;
lifting the cable terminal 120 and the cable joint 130 until the cable terminal reaches a position to be emergently repaired, and completing the connection with the overhead conducting line;
connecting the fault line with the emergency cable 110 through the cable joint 130, and starting temporary power supply;
and after the positive power supply line is recovered, the cable terminal 120, the cable joint 130 and the emergency cable 110 are recovered.
Referring to fig. 1 to 7, the emergency cable 110 after the cable terminal 120 and the cable connector 130 are connected is transported to a fault site, the transport can be carried by the carrier vehicle 210, and the connected cable terminal 120, the cable connector 130 and the emergency cable 110 are placed on the cable turntable 320, so as to facilitate the transportation and the later release and recovery of the cable connector 130. After the cable terminal 120 and the emergency cable 110 reach the fault site, the cable terminal 120 and the emergency cable 110 are lifted until the cable terminal 120 is sent to a position where power conversion is needed, and finally, connection with an overhead line is completed so as to supply power, the lifting process can be realized through an operating device 220, and the operating device 220 can use a crane or a mast type lifting platform and the like. During the connection of the cable termination 120 to the overhead line, the faulty line needs to be treated to ensure that it can be connected to the emergency cable 110 through the cable connector 130, and after the faulty line is treated, the connection to the emergency cable 110 is completed. At this time, the temporary power supply may be started.
After the normal electric line is restored, the cable terminal 120, the cable joint 130, and the emergency cable 110 need to be recovered, which may facilitate reuse.
According to the overhead line emergency repair method provided by the embodiment of the invention, the cable terminal and the cable joint are respectively connected to the two ends of the emergency cable in advance, so that the time for connecting and manufacturing the cable on site can be greatly reduced, and the construction work of a temporary power supply line can be started only after the emergency cable is conveyed to an accident site. The cable terminal and the emergency cable are directly conveyed to the position to be emergently repaired, the cable terminal is connected with the overhead conductor circuit, temporary wiring of the overhead conductor can be completed, temporary wiring of a fault line is completed through a cable joint, and temporary power supply is finally achieved through very simple steps. In addition, after temporary power supply is finished every time, the cable terminal, the cable joint and the emergency cable can be recycled, and resource waste is avoided.
In some embodiments of the invention, the cable termination 120 reaching the location to be emergency repaired is accomplished by visual equipment. In order to ensure that the cable terminal 120 can be accurately connected with the overhead line, the connection can be assisted by visual equipment, and the scene around the position of the cable terminal 120 can be clearly checked by the visual equipment, so that the operation is convenient for workers. In some embodiments of the present invention, in order to improve the operation efficiency of the cable terminal 120, a height sensor is further provided, and the height of the cable terminal 120 can be effectively identified by the height sensor, so as to ensure that the cable terminal 120 can be sent to the vicinity of the location to be emergency-repaired as soon as possible.
According to a second aspect of the invention, the emergency repair equipment for the overhead line comprises: emergency cable assembly, on-board system, cable drive integrated device 300. An emergency cable assembly including an emergency cable 110, and a cable terminal 120 and a cable joint 130 respectively connected to both ends of the emergency cable 110; the vehicle-mounted system comprises a carrier vehicle 210 and an operating device 220 matched with the carrier vehicle 210, wherein the operating device 220 is used for realizing lifting operation of the emergency cable 110 and fixing operation of the cable terminal 120; the cable driving integrated device 300 is matched with the carrier loader 210, and the cable driving integrated device 300 is used for coiling the emergency cable 110 and realizing the operation of unfolding and folding the emergency cable 110.
Referring to fig. 2 to 7, the carrier 210 has a strong moving capability, and can rapidly transport the emergency cable assembly and the cable driving integrated device 300 to a place where an emergency power repair is needed. The emergency cable 110 is wound on the cable driving integrated device 300, and the cable driving integrated device 300 is provided with the driving mechanism 330, so that positive and negative rotation can be actively performed, and the emergency cable 110 can be unfolded and retracted through the positive and negative rotation.
The emergency cable 110 is fixed on the operating device 220, after the emergency cable 110 is fixed, the boom 221 of the operating device 220 can extend the boom 221 to transport the emergency cable 110 and the cable terminal 120 to a specific position where temporary overhead power transmission is needed, and then the boom 221 completes connection and fixing work of the cable terminal 120. In actual operation, the speed of the operating device 220 for unfolding the emergency cable 110 needs to be matched with the speed of the cable driving integrated device 300 for unfolding the cable, so that the situation that the emergency cable 110 on the cable driving integrated device 300 is pulled due to the fact that the operating device 220 is stretched too fast, and the emergency cable 110 is damaged is avoided.
According to the overhead line emergency repair equipment provided by the embodiment of the invention, the emergency cable 110 can be quickly placed at the position where the emergency cable 110 needs to be connected through the operation device 220 and the cable driving integrated device 300, and the cable terminal 120 can be quickly connected and fixed through the operation device 220, so that temporary overhead equipment does not need to be built in the whole process of placing the emergency cable 110 and connecting the cable terminal 120, and the building time and cost of a temporary power supply line are greatly saved. In addition, the carrier vehicle 210 can realize the rapid transportation of the overhead line emergency repair equipment in the embodiment of the invention, thereby greatly saving the time for assembly and transportation.
In some embodiments of the present invention, referring to fig. 2, the above-mentioned emergency repair equipment for an overhead line further includes an auxiliary installation monitoring assembly 400 disposed at the top end of the operating device 220 for detecting the height and state of the cable terminal 120. In order to ensure that the cable terminal 120 can be accurately connected with the overhead line, the height of the cable terminal 120 and the surrounding states need to be judged through the auxiliary installation monitoring assembly 400, the cable terminal 120 can be rapidly sent to the vicinity of the position to be subjected to emergency repair through height monitoring, and the cable terminal 120 can be conveniently connected with the overhead line by checking scenes around the cable terminal 120 in real time. In addition, it should be noted that the height and status information collected by the auxiliary installation monitoring component 400 can be transmitted to the operating device for the operator to check in real time, and the operator can perform accurate operation on the cable terminal 120 according to the real data and images to complete the connection with the overhead line.
In some embodiments of the present invention, referring to FIG. 2, an auxiliary installation monitoring assembly 400 includes; a height sensor disposed at a top end of the operating device 220 for detecting a height of the cable terminal 120; and the visual equipment is arranged at the top end of the operating device 220 and is used for acquiring the real-time state of the cable terminal 120. The scene around the position of the cable terminal 120 can be clearly observed through the visual device, so that the operation of workers is convenient. The height of the cable terminal 120 can be effectively identified by the height sensor, so that the cable terminal 120 can be sent to the position near the emergency repair position as soon as possible. In some embodiments of the present invention, the visual device may employ a wireless transmission capable camera device.
In some embodiments of the present invention, the handling device 220 employs a crane; the emergency cable 110 and the cable termination 120 are arranged on the boom 221 of the crane. Referring to fig. 2, 6 and 7, the cable terminal 120 and the emergency cable 110 are relatively simple in the overhead connection, and a crane may be used as a device for performing lifting and installation operations of the cable terminal 120 and the emergency cable 110 in consideration of that most of the overhead connections have relatively high heights. The suspension arm 221 of the crane can be extended and retracted in a certain length, meanwhile, the suspension arm 221 of the crane can also perform swing arm movement in a certain range, and due to the combination of two movement dimensions, the emergency repair time of a crane in a plurality of situations can be solved.
In some embodiments of the invention, the emergency cable 110 is detachably secured to the crane boom 221 by a cable retaining clip 222. There are many ways for fixing the emergency cable 110 on the crane boom 221, and the emergency cable can be bound and fixed by a fixing slot. Referring to fig. 2, 6 and 7, the cable fixing clip 222 is used for fixing, mainly to ensure the portability and the stability of the connection. The cable retaining clip 222 is also relatively simple to remove and facilitates the replacement of the emergency cable 110 connected to the crane boom 221.
In some embodiments of the invention, referring to fig. 2, the tip of the boom 221 of the crane is provided with a detachable insulating rope 223. In order to ensure the smooth repair, the cable termination 120 and the emergency cable 110 are usually fixed on the boom 221 of the crane in advance in many cases. The use of the insulating rope 223 may facilitate a degree of protection of the cable termination 120 during transportation. At the time of construction, in a case where a part of the cable terminal 120 is difficult to operate, the insulating rope 223 is connected to assist the cable terminal 120 to complete aerial connection and fixing. The insulating string 223 may be removed without the need to use the insulating string 223.
In some embodiments of the present invention, the operation device 220 is a mast type lifting platform or a straight arm type working platform. The purpose of transporting the cable termination 120 to the location to be emergency repaired can be accomplished by similar structures.
In some embodiments of the present invention, referring to fig. 2, 6 and 7, a sliding support member 230 for protecting the emergency cable 110 from sliding is provided on the vehicle-mounted system. In consideration of the unfolding and folding work of the emergency cable 110, if the sliding support member 230 is not provided, once an error occurs in the speed of the operation device 220 and the cable driving integrated device 300 unfolding the emergency cable 110, there is a high possibility that the emergency cable 110 is piled up, thereby affecting the continuous unfolding work of the emergency cable 110 and the subsequent folding work of the emergency cable 110, and even causing damage to the emergency cable 110. The sliding support part 230 can be used for performing intermediate support on the emergency cable 110, so that the emergency cable 110 is prevented from being dragged to a vehicle-mounted system, and further the emergency cable 110 is prevented from being damaged. The sliding support part 230 may be implemented by directly using a fixed sliding ring to support the cable, or using other forms such as a roller.
In some embodiments of the present invention, referring to fig. 2 to 5, the cable drive integrated device 300 includes: slewing bearing device 310, cable carousel 320, actuating mechanism 330. A cable turntable 320 detachably disposed on the supporting surface of the slewing bearing device 310; and a driving mechanism 330 for driving the slewing bearing device 310 to rotate. Referring to fig. 2 to 5, the slewing bearing device 310 is laid flat, and the top of the laid flat is a supporting surface. The rotation device is disposed inside the slewing bearing device 310, so that the supporting surface can rotate forward and in the direction driven by an external force. The rotating device can adopt a bearing as a core component, so that forward rotation and directional rotation are realized. The cable turntable 320 and the supporting surface are matched, after the supporting surface is connected in a matching way, when the supporting surface rotates, the cable turntable 320 can also rotate more synchronously, and therefore the emergency cable 110 wound on the cable turntable 320 can be unfolded and retracted. Actuating mechanism 330 is the basis that emergency cable 110 can initiatively be opened and put and retrieve, and actuating mechanism 330 is inside to be provided with driving motor 332, can realize the operation of just reversing slewing bearing device 310 through driving motor 332, and then realizes the initiative of emergency cable 110 to be opened and retrieve, can no longer be because of needing manpower pulling emergency cable 110 to open and put and retrieve, has avoided causing the injury to emergency cable 110.
In some embodiments of the present invention, referring to fig. 2 and 3, the in-vehicle system further includes an integrated platform 240, and the cable driving integrated device 300 is disposed on the integrated platform 240. The addition of the integrated platform 240 enables the cable driver integrated device 300 to be independently disposed on a mounting platform, which facilitates the replacement of the cable driver integrated device 300 and facilitates the more reasonable arrangement of the positions of the operating device 220 and the cable driver integrated device 300. The integrated platform 240 may be connected to the rear of the carrier vehicle 210 or to the rear of the operating device 220, and is usually selected to be connected to the carrier vehicle 210 in order to ensure the stability of the connection.
In some embodiments of the present invention, referring to fig. 2, 3, the integrated platform 240 is removably connected to the cart 210. The integrated platform 240 is detachably connected with the carrier loader 210, so that the integrated platform 240 can be in a relatively independent state, and when the cable drive integrated device 300 needs to be replaced, the whole integrated platform 240 can be directly replaced. In actual engineering, a situation may occur that one operating device 220 needs to operate cable reels 320 of different models and specifications according to different situations, and therefore in many cases, the number of the cable reels 320 or emergency cables 110 may be greater than the number of the operating device 220 and the carrier loader 210, and at this time, if a one-to-one matching ratio is continuously adopted, a great waste of resources may be caused, and therefore, a detachable connection manner is adopted, and when a cable reel 320 of which model needs to be used, a corresponding integrated platform 240 may be connected.
In some embodiments of the present invention, referring to fig. 2, the integrated platform 240 is further provided with legs 241. Increase landing leg 241 and can just support integrated platform 240 body, and set up landing leg 241 after, can only adopt a set of tire can realize supporting carrier loader 210, the effectual cost that has reduced.
In some embodiments of the invention, the running components of the on-board system employ tires. The tire is a common walking part and is relatively low in price, so that the tire is suitable for large-area use. In some areas with severe construction environments, crawler-type traveling components can be adopted, and the crawler-type traveling components have stronger adaptability to terrains.
In some embodiments of the present invention, referring to fig. 3 to 5, a positioning assembly 311 is disposed on a supporting surface of the slewing bearing device 310, a fixing portion 321 is disposed on the cable turntable 320 and is matched with the positioning assembly 311, and the positioning assembly 311 and the fixing portion 321 are matched to ensure that the cable turntable 320 rotates synchronously with the slewing bearing device 310. The clamping manner is adopted, so that the cable turntable 320 can be conveniently detached from the supporting surface of the slewing bearing device 310, and the cable turntable 320 with different specifications can be quickly replaced when needed. Meanwhile, the clamping connection mode is adopted, so that the positioning assembly 311 and the fixing portion 321 can be stably connected, and further the cable turntable 320 and the slewing bearing device 310 can synchronously rotate.
In some embodiments of the present invention, referring to fig. 3 to 5, the positioning assembly 311 includes a connecting plate and a positioning pin disposed on the connecting plate. The clamping mode is multiple, the mode of the connecting plate and the positioning pin shaft is adopted, the structure is simpler, and stable connection can be realized. In order to ensure the stable connection with the connecting plate and the positioning pin shaft, the fixing portion 321 is correspondingly provided with corresponding pin holes, so that the positioning pin shaft can be inserted into the pin holes in a matched manner. In practical engineering, some cable reels 320 may have their own latch holes, and the positioning assembly 311 may directly utilize the existing latch holes to connect with the cable reels 320.
In some embodiments of the present invention, referring to fig. 4 and 5, the positioning pin is detachably disposed on the connecting plate, and the connecting plate is provided with a plurality of connecting holes for mounting the positioning pin, so that the mounting position of the positioning pin can be conveniently adjusted, and thus, the cable turntables 320 of more models can be clamped.
In some embodiments of the invention, the connecting plate is connected to the support surface by a bolt fastener. The connecting plate is connected with the supporting surface in multiple modes, can be through adopting fixed connection's such as welding mode, also can adopt bolt fastener to realize detachable connected mode. The connecting plates with different specifications can be replaced conveniently by adopting the bolt fasteners, so that the cable reels with more models can be adapted conveniently.
In some embodiments of the present invention, referring to fig. 2, 3, the drive mechanism 330 comprises: a transmission member 331 having one end connected to the slewing bearing device 310; and a driving motor 332 connected to the other end of the transmission part 331, for driving the rotation support device 310 to rotate through the transmission part 331. The transmission direction of the driving motor 332 can be changed by using the transmission part 331, which is more beneficial to selecting the installation position of the driving motor 332. In some embodiments of the present invention, in order to ensure that the cable turntable 320 that needs a larger torque to be driven is driven, a speed reducer is further used to increase the output torque of the driving motor 332.
In some embodiments of the present invention, the transmission part 331 adopts a combination structure of a worm wheel and a worm. The structure of the worm wheel and the worm is simple and mature, and the worm wheel and the worm are very suitable for mechanical transmission for changing the transmission direction.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the embodiments, and those skilled in the art will understand that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An emergency repair method for an overhead line is characterized by comprising the following steps:
connecting a cable terminal and a cable joint to two ends of an emergency cable in advance;
transporting the cable terminal, the cable joint and the emergency cable to an accident site;
lifting the cable terminal and the emergency cable until the cable terminal reaches a position to be emergently repaired, and completing connection with an overhead conducting line;
connecting a fault line with the emergency cable through the cable joint, and starting temporary power supply;
and after the positive line power supply line is recovered, the cable terminal, the cable joint and the emergency cable are recovered.
2. The overhead line emergency repair method according to claim 1, wherein the cable termination reaching the location to be emergency repaired is achieved by a visual device.
3. An overhead line emergency repair equipment, its characterized in that includes:
the emergency cable assembly comprises an emergency cable, and a cable terminal and a cable joint which are respectively connected to two ends of the emergency cable;
the vehicle-mounted system comprises a carrier loader and an operating device matched with the carrier loader, wherein the operating device is used for realizing lifting operation on the emergency cable and fixing operation on the cable terminal;
and the cable driving integrated device is matched with the carrier loader and used for coiling the emergency cable and realizing the unfolding and folding operations of the emergency cable.
4. The overhead line emergency repair equipment according to claim 3, further comprising an auxiliary installation monitoring assembly provided at a top end of the operating device for detecting a height and a state of the cable terminal.
5. The overhead line emergency repair equipment according to claim 3, wherein a sliding support member for protecting the emergency cable from sliding is provided on the vehicle-mounted system.
6. The overhead line emergency repair equipment of claim 3, wherein the cable drive integration device comprises:
a slewing bearing device;
the cable turntable is detachably fixed on the supporting surface of the slewing bearing device;
and the driving mechanism is used for driving the slewing bearing device to rotate.
7. The overhead line emergency repair equipment according to claim 3 or 6, wherein the vehicle-mounted system further comprises an integrated platform, and the cable drive integrated device is disposed on the integrated platform.
8. The overhead line emergency repair device of claim 7, wherein the integrated platform is removably connected to the carrier loader.
9. Overhead line emergency repair equipment according to claim 8, characterized in that said integrated platform is also provided with legs.
10. The overhead line emergency repair device according to claim 6, wherein the driving mechanism comprises:
a transmission member, one end of which is connected with the slewing bearing device;
and the driving motor is connected with the other end of the transmission part and is used for driving the slewing bearing device to rotate through the transmission part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010829286.XA CN111864631A (en) | 2020-08-18 | 2020-08-18 | Emergency repair method and equipment for overhead line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010829286.XA CN111864631A (en) | 2020-08-18 | 2020-08-18 | Emergency repair method and equipment for overhead line |
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| CN111864631A true CN111864631A (en) | 2020-10-30 |
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| CN202010829286.XA Pending CN111864631A (en) | 2020-08-18 | 2020-08-18 | Emergency repair method and equipment for overhead line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112909820A (en) * | 2021-01-29 | 2021-06-04 | 广东电网有限责任公司广州供电局 | Cable lifting equipment for overhead line emergency repair |
| CN114094487A (en) * | 2021-11-19 | 2022-02-25 | 长缆电工科技股份有限公司 | Mobile cable emergency repair equipment, system and method |
-
2020
- 2020-08-18 CN CN202010829286.XA patent/CN111864631A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112909820A (en) * | 2021-01-29 | 2021-06-04 | 广东电网有限责任公司广州供电局 | Cable lifting equipment for overhead line emergency repair |
| CN114094487A (en) * | 2021-11-19 | 2022-02-25 | 长缆电工科技股份有限公司 | Mobile cable emergency repair equipment, system and method |
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