CN112242670A - Temporary contact device for 10kV distribution line bypass operation and construction method - Google Patents
Temporary contact device for 10kV distribution line bypass operation and construction method Download PDFInfo
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- CN112242670A CN112242670A CN202010923289.XA CN202010923289A CN112242670A CN 112242670 A CN112242670 A CN 112242670A CN 202010923289 A CN202010923289 A CN 202010923289A CN 112242670 A CN112242670 A CN 112242670A
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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
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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Abstract
The invention discloses a temporary connection device for 10kV distribution line bypass operation and a construction method, and belongs to the technical field of connection devices for 10kV distribution line bypass operation, the temporary connection device comprises an overhead line, the overhead line comprises a left overhead line and a right overhead line, an aerial work vehicle is arranged between the left overhead line and the right overhead line, a lifting electric pole is arranged on the aerial work vehicle, an insulating support I is arranged at the upper part of the extending end of the lifting electric pole, and a cable fixing mechanism I is arranged on the insulating support I; the utility model discloses an insulating support I, including insulating support I, load switch, cable quick-operation joint, cable fixing mechanism I and overhead line are connected to the cable, the below of insulating support I is provided with load switch, and load switch is connected with cable quick-operation joint, and cable quick-operation joint is connected with the cable, and the cable passes cable fixing mechanism I. The invention avoids the problem that the existing permanent connection is established, so that the operation mode of the line is changed and the line cannot be recovered, has simple and rapid construction, small labor amount and low safety risk, avoids the problem that cables must be laid on the ground during operation, and ensures the normal operation of traffic.
Description
Technical Field
The invention relates to the technical field of contact devices for bypass operation of a 10kV distribution line, in particular to a temporary contact device for bypass operation of the 10kV distribution line and a construction method.
Background
At present, when interconnection is established in bypass operation of distribution lines at home and abroad, the construction is usually carried out by adopting a method of transforming a line into a tension-resistant rod and additionally installing an interconnection switch or adopting a flexible cable to be matched with a load switch.
The two methods have the following defects:
1. the method that the line is transformed into the tension-resistant rod by the line transformation and the contact switch is additionally arranged is adopted for construction, the line mode is changed, the construction is complex, and the original operation mode of the line cannot be recovered after the contact switch is installed and operated.
2. The construction is carried out by adopting the method of matching the flexible cable with the load switch, when the flexible cable passes by the bypass operation, the construction process by adopting the overhead passage is complex, the construction time is long, and the physical strength of personnel is large; when the ground is adopted for laying, the safety risk is high, and during operation, traffic control must be adopted to limit the current of vehicles, which wastes time and labor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a temporary connection device for bypass operation of a 10kV distribution line; this 10kV distribution lines bypass operation is with interim contact device has avoided establishing permanent contact at present thereby changing the problem that circuit operation mode and can't resume, and the construction is simple swift, and the engineering time is short, and the amount of labour is little, labour saving and time saving, and the safety risk is low, and the normal operating of traffic is guaranteed to the problem that the cable must ground lay when avoiding the operation.
In order to solve the technical problem, the temporary connection device for 10kV distribution line bypass operation comprises an overhead line, wherein the overhead line comprises a left overhead line and a right overhead line, an overhead working truck is arranged between the left overhead line and the right overhead line, a lifting electric pole is arranged on the overhead working truck, an insulating support I is arranged at the upper part of the extending end of the lifting electric pole, and a cable fixing mechanism I is arranged on the insulating support I;
the utility model discloses an insulating support I, including insulating support I, load switch, cable quick-operation joint, cable fixing mechanism I and overhead line are connected to the cable, the below of insulating support I is provided with load switch, and load switch is connected with cable quick-operation joint, and cable quick-operation joint is connected with the cable, and the cable passes cable fixing mechanism I.
In the further improvement of the invention, the upper part of the extending end of the lifting electric pole is connected with a connecting rod, the upper part of the connecting rod is provided with a clamping groove, and the clamping groove is clamped with the insulating support I;
the middle part of the bottom of the clamping groove is provided with a clamping piece, the clamping piece is in threaded connection with a fastening bolt I, and the fastening bolt I is in threaded connection with the insulating support I; insulating support I is "not style of calligraphy", and two stabilizer blades of insulating support I are located the both sides of card respectively.
Through the above design, this scheme can be more convenient for insulating support I and install on the pole that goes up and down, during the use, earlier I card of insulating support in the draw-in groove, then I connection card of reuse fastening bolt I and insulating support I can.
In a further improvement of the invention, the lower part of the connecting rod is connected with a connecting plate, the connecting plate is provided with a connecting hole, and the connecting hole is in threaded connection with the load switch.
Through the above design, this scheme can be more convenient for load switch and install on the lift pole, during the use, directly with connecting bolt with load switch install the connecting plate can, connecting plate and connecting rod threaded connection also, the welding also can.
In the further improvement of the invention, a cavity with a downward opening is arranged at the bottom of the connecting rod, the cavity is sleeved at the top of the lifting electric pole, a fastening bolt II is connected to the outer wall of the cavity in a threaded manner, the working end of the fastening bolt II is positioned in the cavity and is abutted against the upper part of the extending end of the lifting electric pole, and the control end of the fastening bolt II is positioned outside the cavity; and the fastening bolt II is a butterfly bolt.
Through the design, the connecting rod can be more conveniently installed on the lifting electric pole; or the connecting rod is welded with the top of the lifting electric pole.
In the further improvement of the invention, an insulating support II is respectively arranged on the left overhead line and the right overhead line, and a cable fixing mechanism II is arranged on the insulating support II; and the cable penetrates through the cable fixing mechanism II to be connected with the overhead line.
Through the design, the pressure of the connection of the buffer cable and the overhead line can be better, the disconnection of the connection of the cable and the overhead line caused by the gravity of the cable is avoided, and the connection of the cable and the overhead line is more convenient.
In the further improvement of the invention, the cable fixing mechanism I and the cable fixing mechanism II have the same structure, the cable fixing mechanism I or the cable fixing mechanism II comprises a fixed seat, a concave seat is arranged on the fixed seat, and the concave seat is in threaded connection with a convex seat;
the fixing seat comprises a sleeve which is sleeved with the insulating support I, a pressing sheet which is abutted against the insulating support I is arranged inside the sleeve, a pressing bolt is connected to the outer wall of the sleeve in a threaded manner, the working end of the pressing bolt is located inside the sleeve and abutted against the pressing sheet, and the control end of the pressing bolt is located on the outer side of the sleeve; and the compression bolt is a butterfly bolt.
Through above-mentioned design, this scheme can be better for the cable play cushioning effect, does benefit to the firm degree of being connected between cable and the cable quick-operation joint, twists insulating bracket I that the clamp bolt just can be better cliies various sizes, and application scope is wide.
In a further improvement of the invention, the concave seat is provided with a lower connecting lug seat, the lower connecting lug seat is connected with a connecting bolt, the connecting bolt is connected with an upper connecting lug seat, and the upper connecting lug seat is arranged on the convex seat.
Through the design, the concave seat and the convex seat can be more conveniently connected, and when the connecting lug seat is used, the connecting lug seat is directly connected with the lower connecting lug seat and the convex seat of the concave seat through the connecting bolts.
In further improvement of the invention, the cable quick connector comprises a left connector I, a left connector II and a left connector III which are arranged on the left side of the load switch, and a right connector I, a right connector II and a right connector III which are arranged on the right side of the load switch;
the cable comprises a left cable I, a left cable II, a left cable III, a right cable I, a right cable II and a right cable III;
the cable fixing mechanism I comprises a left fixing I, a left fixing II, a left fixing III, a right fixing I, a right fixing II and a right fixing III;
the cable fixing mechanism II comprises a left overhead left fixing I, a left overhead left fixing II, a left overhead left fixing III, a right overhead right fixing I, a right overhead right fixing II and a right overhead right fixing III;
the port A1 of the load switch is connected with a left connector I, the left connector I is connected with a left cable I, the left cable I sequentially penetrates through a left fixed connector I and a left overhead left fixed connector I to be connected with the A of a left overhead line, the port A2 of the load switch is connected with a right connector I, the right connector I is connected with a right cable I, and the right cable I sequentially penetrates through a right fixed connector I and a right overhead right fixed connector I to be connected with the A of a right overhead line;
the port B1 of the load switch is connected with a left connector II, the left connector II is connected with a left cable II, the left cable II sequentially penetrates through a left fixed II and a left overhead left fixed II to be connected with the B of a left overhead line, the port B2 of the load switch is connected with a right connector II, the right connector II is connected with a right cable II, and the right cable II sequentially penetrates through a right fixed II and a right overhead right fixed II to be connected with the B of a right overhead line;
load switch's C1 port is connected with left joint III, and left side joint III is connected with left cable III, and left side cable III passes left side fixed III and the overhead left side of left side in proper order and is fixed III and left overhead line's C is connected, load switch's C2 port is connected with right side joint III, and right side joint III is connected with right cable III, and right side cable III passes right side fixed III and the overhead right side of right side in proper order and is fixed III and right overhead line's C is connected.
Through the design, the scheme can be more convenient for the connection of an overhead line, a cable quick connector and a load switch.
In the further improvement of the invention, the lifting electric pole adopts a mast type aerial work platform; the lifting electric pole is connected with a PLC controller; the load switch is connected with a load switch controller.
Through the design, the scheme can be more convenient for controlling the lifting of a lifting electric pole and the remote control on-off of the load switch, the PLC controller can adopt S7-200 or S7-300, the load switch controller can adopt SYJK-8, and the PLC controller and the load switch controller can also adopt other models, the specific model is selected, and a user is determined by the use requirement of the user; other lifting devices can be adopted for lifting the electric pole, such as an air cylinder, a hydraulic cylinder or an electric cylinder, and specific users can depend on the use requirements of the users.
The construction method of the temporary connection device for 10kV distribution line bypass operation comprises the following steps:
(1) stopping the overhead working truck between the left overhead line and the right overhead line, supporting hydraulic support legs and fixing the overhead working truck;
(2) the load switch and the insulation support I are arranged on the connecting rod, and the six cable fixing mechanisms I are uniformly arranged at two ends of the insulation support I; three parts of the six cable fixing mechanisms II are uniformly distributed on two insulation supports II respectively, and the two insulation supports II are arranged on a left overhead line and a right overhead line respectively;
(3) manufacturing six cables with cable quick connectors;
(4) adjusting the PLC to control the lifting electric pole to rise to the required height;
(5) mounting a connecting rod on the top of the extending end of the lifting electric pole, and fastening by using a fastening bolt II;
(6) respectively connecting the cable quick connectors of the six cables with an A1 port, an A2 port, a B1 port, a B2 port, a C1 port and a C2 port of a load switch one by one;
(7) one ends of six cables, which are far away from the cable quick connector, respectively penetrate through six cable fixing mechanisms I on an insulating support I and six cable fixing mechanisms II on an insulating support II one by one, and are respectively connected with a left overhead line A phase, a left overhead line B phase, a left overhead line C phase and a right overhead line A phase, a left overhead line B phase and a right overhead line C phase;
(8) the operation load switch controller controls the load switch to be closed;
(9) and current measurement confirms the current of the three-phase flexible cable and confirms that the temporary connection platform is erected.
Through the design, the scheme is more convenient to implement.
Compared with the prior art, the invention has the following beneficial effects:
the aerial work vehicle, the lifting electric pole, the insulating support I, the cable fixing mechanism I, the insulating support I, the load switch, the cable quick connector and the cable are utilized, a temporary contact platform is built for 10kV distribution line bypass work, the problem that the line operation mode is changed and cannot be recovered due to the fact that permanent contact is built at present is solved, construction is simple and rapid, construction time is short, labor amount is small, time and labor are saved, safety risk is low, the problem that the cable must be laid on the ground during work is solved, and normal operation of traffic is guaranteed.
Drawings
To more clearly illustrate the background art or the technical solutions of the present invention, the following brief description of the drawings incorporated in the prior art or the detailed description of the present invention; it should be understood that the structures, proportions, and dimensions shown in the drawings and described herein are for illustrative purposes only and are not intended to limit the scope of the present invention, which is to be given the full breadth of the present disclosure, and are not intended to limit the scope of the present disclosure.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is an enlarged view of the T-section of the present invention.
FIG. 3 is an enlarged view of the P-section of the present invention.
FIG. 4 is an enlarged view of the H section of the present invention.
FIG. 5 is a schematic view of the connection between the connecting rod and the insulating support I according to the present invention.
Fig. 6 is a schematic structural diagram of a cable fixing mechanism i according to the present invention.
FIG. 7 is a schematic structural view of the aerial cage of the present invention.
Shown in the figure: 1-left overhead line; 2-right overhead line; 3-overhead working truck; 4-lifting the electric pole; 5-a connecting rod; 501-card slot; 502-card; 503-fastening bolt I; 504-fastening bolt ii; 6-insulating support I; 601-left fixation III; 602-left fixation II; 603-left fixation I; 604-right fixation I; 605-right fixation II; 606-right fixation III; 7-a load switch; 701-left joint I; 702-left joint ii; 703-left linker iii; 704-right joint I; 705-right connector ii; 706-right connector iii; 8-a cable; 801-left cable i; 802-left cable ii; 803-left cable iii; 804-right cable i; 805-right cable ii; 806-right cable iii; 9-a sleeve; 10-a compression sheet; 11-a hold-down bolt; 12-a concave seat; 13-lower connecting ear mount; 14-a convex seat; 15-upper connecting ear seat; 16-insulating support II; 1601-left overhead left fixing III; 1602-left overhead left fixing II; 1603-left overhead left fixing I; 1604-right overhead right fixing I; 1605-right overhead right fixation II; 1606-right overhead right fixation iii.
Detailed Description
In order to make the technical solution of the present invention better understood, the following description is provided with reference to the accompanying drawings, the technical solutions in the embodiments of the present invention are clearly and completely described, and obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, which are consistent with the present invention, all other embodiments that may be devised by those skilled in the art without departing from the scope and spirit of the invention, meanwhile, the terms such as "upper", "lower", "front", "rear" and "middle" used in the present specification are for clarity of description only and are not intended to limit the scope of the present invention, changes and modifications in the relative relationship to each other without substantial technical change should also be considered as the scope of the present invention.
As shown in fig. 1-7, the temporary connection device for bypass operation of the 10kV distribution line comprises an overhead line, wherein the overhead line comprises a left overhead line 1 and a right overhead line 2, an overhead working truck 3 is arranged between the left overhead line 1 and the right overhead line 2, a lifting electric pole 4 is arranged on the overhead working truck 3, an insulating support I6 is arranged at the upper part of the extending end of the lifting electric pole 4, and a cable fixing mechanism I is arranged on the insulating support I6;
the below of insulating support I6 is provided with load switch 7, and load switch 7 is connected with cable quick-operation joint, and cable quick-operation joint is connected with cable 8, and cable 8 passes cable fixed establishment I and is connected with overhead line.
The upper part of the extending end of the lifting electric pole 4 is connected with a connecting rod 5, the upper part of the connecting rod 5 is provided with a clamping groove 501, and the clamping groove 501 is clamped with the insulating support I6;
a clamping piece 502 is arranged in the middle of the bottom of the clamping groove 501, a fastening bolt I503 is in threaded connection with the clamping piece 502, and the fastening bolt I503 is in threaded connection with an insulating support I6; insulating support I6 is "not style of calligraphy", and two stabilizer blades of insulating support I6 are located the both sides of card 502 respectively.
The lower part of the connecting rod 5 is connected with a connecting plate, the connecting plate is provided with a connecting hole, and the connecting hole is in threaded connection with a load switch 7.
A cavity with a downward opening is formed in the bottom of the connecting rod 5 and is sleeved at the top of the lifting electric pole 4, a fastening bolt II 504 is connected to the outer wall of the cavity in a threaded mode, the working end of the fastening bolt II 504 is located inside the cavity and abuts against the upper portion of the extending end of the lifting electric pole 4, and the control end of the fastening bolt II 504 is located on the outer side of the cavity; and the fastening bolt II 504 is a butterfly bolt.
The left overhead line 1 and the right overhead line 2 are respectively provided with an insulating support II 16, and the insulating support II 16 is provided with a cable fixing mechanism II; and the cable 8 penetrates through the cable fixing mechanism II to be connected with an overhead line.
The cable fixing mechanism I and the cable fixing mechanism II are identical in structure, the cable fixing mechanism I or the cable fixing mechanism II comprises a fixed seat, a concave seat 12 is arranged on the fixed seat, and the concave seat 12 is in threaded connection with a convex seat 14; the fixing seat comprises a sleeve 9 which is sleeved with the insulating support I6, a pressing sheet 10 which is abutted against the insulating support I6 is arranged inside the sleeve 9, a pressing bolt 11 is connected with the outer wall of the sleeve 9 in a threaded manner, the working end of the pressing bolt 11 is positioned inside the sleeve 9 and abutted against the pressing sheet 10, and the control end of the pressing bolt 11 is positioned outside the sleeve 9; the hold-down bolts 11 are butterfly bolts.
The concave seat 12 is provided with a lower connecting lug seat 13, the lower connecting lug seat 13 is connected with a connecting bolt, the connecting bolt is connected with an upper connecting lug seat 15, and the upper connecting lug seat 15 is arranged on the convex seat 14.
The cable quick connector comprises a left connector I701, a left connector II 702 and a left connector III 703 which are arranged on the left side of the load switch 7, and a right connector I704, a right connector II 705 and a right connector III 706 which are arranged on the right side of the load switch 7; the cable 8 comprises a left cable I801, a left cable II 802, a left cable III 803, a right cable I804, a right cable II 805 and a right cable III 806; the cable fixing mechanism I comprises a left fixing I603, a left fixing II 602, a left fixing III 601, a right fixing I604, a right fixing II 605 and a right fixing III 606; the cable fixing mechanism II comprises a left overhead left fixed I1603, a left overhead left fixed II 1602, a left overhead left fixed III 1601, a right overhead right fixed I1604, a right overhead right fixed II 1605 and a right overhead right fixed III 1606.
The port A1 of the load switch 7 is connected with a left connector I701, the left connector I701 is connected with a left cable I801, the left cable I801 sequentially penetrates through a left fixing I603 and a left overhead left fixing I1603 to be connected with the A of the left overhead line 1, the port A2 of the load switch 7 is connected with a right connector I704, the right connector I704 is connected with a right cable I804, and the right cable I804 sequentially penetrates through a right fixing I604 and a right overhead right fixing I1604 to be connected with the A of the right overhead line 2;
the port B1 of the load switch 7 is connected with the left connector II 702, the left connector II 702 is connected with the left cable II 802, the left cable II 802 sequentially penetrates through the left fixed II 602 and the left overhead left fixed II 1602 to be connected with the B of the left overhead line 1, the port B2 of the load switch 7 is connected with the right connector II 705, the right connector II 705 is connected with the right cable II 805, and the right cable II 805 sequentially penetrates through the right fixed II 605 and the right overhead right fixed II 1605 to be connected with the B of the right overhead line 2;
the port C1 of load switch 7 is connected with left joint III 703, and left joint III 703 is connected with left cable III 803, and left cable III 803 passes left fixed III 601 and the overhead left fixed III 1601 of left side in proper order and is connected with the C of left overhead line 1, the port C2 of load switch 7 is connected with right joint III 706, and right joint III 706 is connected with right cable III 806, and right cable III 806 passes right fixed III 606 and the overhead right fixed III 1606 of right side in proper order and is connected with the C of right overhead line 2.
The lifting electric pole 4 adopts a mast type aerial work platform; the lifting electric pole 4 is connected with a PLC controller; the load switch 7 is connected with a load switch controller.
The construction method of the temporary connection device for 10kV distribution line bypass operation comprises the following steps:
(1) stopping the overhead working truck between the left overhead line and the right overhead line, supporting hydraulic support legs and fixing the overhead working truck;
(2) the load switch and the insulation support I are arranged on the connecting rod, and the six cable fixing mechanisms I are uniformly arranged at two ends of the insulation support I; three parts of the six cable fixing mechanisms II are uniformly distributed on two insulation supports II respectively, and the two insulation supports II are arranged on a left overhead line and a right overhead line respectively;
(3) manufacturing six cables with cable quick connectors;
(4) adjusting the PLC to control the lifting electric pole to rise to the required height;
(5) mounting a connecting rod on the top of the extending end of the lifting electric pole, and fastening by using a fastening bolt II;
(6) the cable quick connectors of the six cables are respectively connected with the A1 port, the A2 port, the B1 port, the B2 port, the C1 port and the C2 port of the load switch one by one;
(7) one ends of six cables, which are far away from the cable quick connector, respectively penetrate through six cable fixing mechanisms I on an insulating support I and six cable fixing mechanisms II on an insulating support II one by one, and are respectively connected with a left overhead line A phase, a left overhead line B phase, a left overhead line C phase and a right overhead line A phase, a left overhead line B phase and a right overhead line C phase;
(8) the operation load switch controller controls the load switch to be closed;
(9) and current measurement confirms the current of the three-phase flexible cable and confirms that the temporary connection platform is erected.
At present, when interconnection is established in distribution line bypass operation at home and abroad, a line transformation straight line rod is changed into an tension-resistant rod and an interconnection switch is additionally arranged, or a flexible cable is adopted to be matched with a load switch for construction, the two methods have a plurality of defects, so that the design of the scheme is to establish a temporary interconnection platform for an overhead line, and the defects of the two methods are avoided.
The invention provides a live working temporary connection platform device for 10kV distribution line bypass operation, which comprises the following steps that 1) an aerial working vehicle carries a load switch to establish temporary connection without establishing permanent connection; 2) the lifting electric pole is adopted, and the lifting is carried out by one key, so that the operation is simple, and the time and the labor are saved; 3) after the lifting device is in place, the cable is laid in an overhead manner, so that the technical problems that traffic control is required to be adopted for ground laying and safety risks exist are solved.
This high altitude construction car vehicle chassis includes functional areas such as driver's cabin, automobile body, supplies the vehicle to drive and realizes carrying the thing function, vehicle model: altaike; when the vehicle reaches a designated operation place, the supporting legs are extended out to fix the vehicle chassis, so that the balance and stability of the operation platform are kept.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a 10kV distribution lines bypass operation is with interim contact device, includes overhead line, and overhead line includes left overhead line and right overhead line, its characterized in that: an aerial work vehicle is arranged between the left overhead line and the right overhead line, a lifting electric pole is arranged on the aerial work vehicle, an insulating support I is arranged at the upper part of the extending end of the lifting electric pole, and a cable fixing mechanism I is arranged on the insulating support I;
the utility model discloses an insulating support I, including insulating support I, load switch, cable quick-operation joint, cable fixing mechanism I and overhead line are connected to the cable, the below of insulating support I is provided with load switch, and load switch is connected with cable quick-operation joint, and cable quick-operation joint is connected with the cable, and the cable passes cable fixing mechanism I.
2. The temporary interconnection apparatus for bypass operation of 10kV distribution line according to claim 1, characterized in that: the upper part of the extending end of the lifting electric pole is connected with a connecting rod, the upper part of the connecting rod is provided with a clamping groove, and the clamping groove is clamped with the insulating support I;
the middle part of the bottom of the clamping groove is provided with a clamping piece, the clamping piece is in threaded connection with a fastening bolt I, and the fastening bolt I is in threaded connection with the insulating support I; insulating support I is "not style of calligraphy", and two stabilizer blades of insulating support I are located the both sides of card respectively.
3. The temporary interconnection apparatus for bypass operation of 10kV distribution line according to claim 2, characterized in that: the lower part of the connecting rod is connected with a connecting plate, a connecting hole is formed in the connecting plate, and the connecting hole is in threaded connection with the load switch.
4. The temporary interconnection apparatus for bypass operation of 10kV distribution line according to claim 3, characterized in that: the bottom of the connecting rod is provided with a cavity with a downward opening, the cavity is sleeved at the top of the lifting electric pole, the outer wall of the cavity is in threaded connection with a fastening bolt II, the working end of the fastening bolt II is positioned in the cavity and is abutted against the upper part of the extending end of the lifting electric pole, and the control end of the fastening bolt II is positioned outside the cavity; and the fastening bolt II is a butterfly bolt.
5. The temporary interconnection apparatus for bypass operation of 10kV distribution line according to claim 1, characterized in that: the left overhead line and the right overhead line are respectively provided with an insulating support II, and the insulating supports II are provided with cable fixing mechanisms II; and the cable penetrates through the cable fixing mechanism II to be connected with the overhead line.
6. The temporary interconnection apparatus for bypass operation of 10kV distribution line according to claim 5, wherein: the cable fixing mechanism I and the cable fixing mechanism II are identical in structure, the cable fixing mechanism I or the cable fixing mechanism II comprises a fixed seat, a concave seat is arranged on the fixed seat, and the concave seat is in threaded connection with a convex seat;
the fixing seat comprises a sleeve which is sleeved with the insulating support I, a pressing sheet which is abutted against the insulating support I is arranged inside the sleeve, a pressing bolt is connected to the outer wall of the sleeve in a threaded manner, the working end of the pressing bolt is located inside the sleeve and abutted against the pressing sheet, and the control end of the pressing bolt is located on the outer side of the sleeve; and the compression bolt is a butterfly bolt.
7. The temporary interconnection apparatus for bypass operation of 10kV distribution line according to claim 6, wherein: the concave seat is provided with a lower connecting lug seat, the lower connecting lug seat is connected with a connecting bolt, the connecting bolt is connected with an upper connecting lug seat, and the upper connecting lug seat is arranged on the convex seat.
8. The temporary interconnection apparatus for bypass operation of 10kV distribution line according to claim 1, characterized in that: the cable quick connector comprises a left connector I, a left connector II and a left connector III which are arranged on the left side of the load switch, and a right connector I, a right connector II and a right connector III which are arranged on the right side of the load switch;
the cable comprises a left cable I, a left cable II, a left cable III, a right cable I, a right cable II and a right cable III;
the cable fixing mechanism I comprises a left fixing I, a left fixing II, a left fixing III, a right fixing I, a right fixing II and a right fixing III;
the cable fixing mechanism II comprises a left overhead left fixing I, a left overhead left fixing II, a left overhead left fixing III, a right overhead right fixing I, a right overhead right fixing II and a right overhead right fixing III;
the port A1 of the load switch is connected with a left connector I, the left connector I is connected with a left cable I, the left cable I sequentially penetrates through a left fixed connector I and a left overhead left fixed connector I to be connected with the A of a left overhead line, the port A2 of the load switch is connected with a right connector I, the right connector I is connected with a right cable I, and the right cable I sequentially penetrates through a right fixed connector I and a right overhead right fixed connector I to be connected with the A of a right overhead line;
the port B1 of the load switch is connected with a left connector II, the left connector II is connected with a left cable II, the left cable II sequentially penetrates through a left fixed II and a left overhead left fixed II to be connected with the B of a left overhead line, the port B2 of the load switch is connected with a right connector II, the right connector II is connected with a right cable II, and the right cable II sequentially penetrates through a right fixed II and a right overhead right fixed II to be connected with the B of a right overhead line;
load switch's C1 port is connected with left joint III, and left side joint III is connected with left cable III, and left side cable III passes left side fixed III and the overhead left side of left side in proper order and is fixed III and left overhead line's C is connected, load switch's C2 port is connected with right side joint III, and right side joint III is connected with right cable III, and right side cable III passes right side fixed III and the overhead right side of right side in proper order and is fixed III and right overhead line's C is connected.
9. The temporary interconnection apparatus for 10kV distribution line bypass operation according to any one of claims 1 to 8, characterized in that: the lifting electric pole adopts a mast type aerial work platform; the lifting electric pole is connected with a PLC controller; the load switch is connected with a load switch controller.
The construction method of the temporary connection device for 10.10kV distribution line bypass operation is characterized by comprising the following steps: the method comprises the following steps:
(1) stopping the overhead working truck between the left overhead line and the right overhead line, supporting hydraulic support legs and fixing the overhead working truck;
(2) the load switch and the insulation support I are arranged on the connecting rod, and the six cable fixing mechanisms I are uniformly arranged at two ends of the insulation support I; three parts of the six cable fixing mechanisms II are uniformly distributed on two insulation supports II respectively, and the two insulation supports II are arranged on a left overhead line and a right overhead line respectively;
(3) manufacturing six cables with cable quick connectors;
(4) adjusting the PLC to control the lifting electric pole to rise to the required height;
(5) mounting a connecting rod on the top of the extending end of the lifting electric pole, and fastening by using a fastening bolt II;
(6) the cable quick connectors of the six cables are respectively connected with the A1 port, the A2 port, the B1 port, the B2 port, the C1 port and the C2 port of the load switch one by one;
(7) one ends of six cables, which are far away from the cable quick connector, respectively penetrate through six cable fixing mechanisms I on an insulating support I and six cable fixing mechanisms II on an insulating support II one by one, and are respectively connected with a left overhead line A phase, a left overhead line B phase, a left overhead line C phase and a right overhead line A phase, a left overhead line B phase and a right overhead line C phase;
(8) the operation load switch controller controls the load switch to be closed;
(9) and current measurement confirms the current of the three-phase flexible cable and confirms that the temporary connection platform is erected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010923289.XA CN112242670A (en) | 2020-09-04 | 2020-09-04 | Temporary contact device for 10kV distribution line bypass operation and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010923289.XA CN112242670A (en) | 2020-09-04 | 2020-09-04 | Temporary contact device for 10kV distribution line bypass operation and construction method |
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| CN112242670A true CN112242670A (en) | 2021-01-19 |
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| CN202010923289.XA Pending CN112242670A (en) | 2020-09-04 | 2020-09-04 | Temporary contact device for 10kV distribution line bypass operation and construction method |
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Application publication date: 20210119 |