CN114284879A - Prepackage type load transfer platform - Google Patents
Prepackage type load transfer platform Download PDFInfo
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- CN114284879A CN114284879A CN202111682721.1A CN202111682721A CN114284879A CN 114284879 A CN114284879 A CN 114284879A CN 202111682721 A CN202111682721 A CN 202111682721A CN 114284879 A CN114284879 A CN 114284879A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The invention discloses a pre-installed load transfer platform, which relates to the technical field of load transfer and is used for solving the problem that in the prior art, when a transformer substation is overhauled or technically improved, power supply of corresponding users needs to be stopped for a long time, so that great loss is caused to the users and power enterprises. According to the technical scheme, the load is transferred to the load transfer switch station to form bypass uninterrupted power supply, and when equipment in the transformer station is overhauled or replaced and transformed, the power failure time of a user can be reduced, so that the loss of the user and a power enterprise can be reduced.
Description
Technical Field
The invention relates to the technical field of load transfer platforms, in particular to a pre-installed load transfer platform.
Background
With the increasing demand of electric energy in production and life, electric power enterprises need to continuously improve and expand power grids to ensure the supply of high-quality electric energy and meet social requirements, so that transformer substation equipment needs to be periodically overhauled to stably ensure the normal operation of the power grids for a long time, and since the 21 st century, power companies pay more attention to the requirements of customers through the development of more than one century.
At present, in order to fulfill the working requirement of 'centralized maintenance', power enterprises vigorously carry out city and county power transformation operation and inspection integrated centralized maintenance, but the power enterprises in counties are limited by power grid structures and face the following problems: 1. the transformation of the transformer substation needs a living site, temporary placement of equipment materials and the like, so that the construction area is insufficient; 2. the temporary load on the construction site is always transferred by using old equipment, so that the safety has hidden danger; 3. the construction period is long due to the complicated reconstruction engineering; 4. the original transformer substation needs to be loaded by other lines, and the load transfer is difficult because peripheral lines have no margin; 5. the construction period of main building construction and the equipment installation engineering period in the transformation process of the transformer substation are long.
In summary, in the prior art, when a substation is overhauled or technically improved, power supply of a corresponding user needs to be stopped for a long time, so that the user can be in a power failure state for a long time, and therefore great loss is brought to the user and a power enterprise.
Disclosure of Invention
The invention aims to: in order to solve the problem that in the prior art, when a transformer substation is overhauled or technically improved, power supply of corresponding users needs to be stopped for a long time, so that great loss is caused to the users and power enterprises, the invention provides the pre-installed load transfer platform, so that the power failure time of the users during overhauling or technically improved of the transformer substation is reduced, and the loss of the users and the power enterprises is reduced.
The invention specifically adopts the following technical scheme for realizing the purpose:
the utility model provides a prepackage type load transfer platform, includes mutual electric connection's transformer and cubical switchboard, transformer and inlet wire power electric connection, cubical switchboard and load end electric connection still include the load transfer switch station, the inlet wire end and the transformer electric connection of load transfer switch station, the outlet terminal and the load end electric connection of load transfer switch station.
The preferred structure of the load transfer switching station is: the load transfer switch station comprises a box body, wherein an incoming line cabinet, an outgoing line cabinet and a direct current screen which are sequentially and electrically connected are installed in the box body, the incoming line cabinet is electrically connected with a transformer, and the outgoing line cabinet is electrically connected with a load end.
Preferably, the number of the outgoing line cabinets is multiple.
Preferably, the box body is provided with a plurality of box doors, the box body is provided with a hydraulic rod, and the end part of the hydraulic rod is connected with the box doors.
Preferably, the box door is provided with a waterproof cloth strip, and the outer part of the box body is provided with a circumferential reinforcing belt.
Further, still include cable transfer mechanism, cable transfer mechanism includes the removal subassembly, install rotating assembly on the removal subassembly, the last cable branch road fixed subassembly that installs of rotating assembly.
Preferably, the mobile assembly comprises a mobile station, a plurality of supports are mounted on the bottom surface of the mobile station, rollers are mounted on the supports, and the rotating assembly is mounted on the top surface of the mobile station.
Preferably, the rotating assembly comprises a rotating column mounted on the top surface of the mobile station through a bearing, a rotating plate is mounted at the upper end of the rotating column, and the cable shunt fixing assembly is mounted on the top surface of the rotating plate.
Preferably, the cable shunt fixing component comprises a plurality of partition plates arranged on the top surface of the rotating plate, a fixing gap is reserved between every two adjacent partition plates, each partition plate is provided with a plurality of groups of fixing holes in the horizontal direction, each group of fixing holes are coaxially arranged, and fixing rods penetrating through the fixing holes are arranged on the partition plates.
Preferably, the top surface of the rotating plate is provided with a plurality of limiting grooves, the limiting grooves are communicated with the fixed gap, and the longitudinal sections of the limiting grooves are arc-shaped.
The invention has the following beneficial effects:
(1) when the transformer substation is overhauled or technically improved, the incoming line end of the load transfer switch station is electrically connected with the transformer through the cable, and the outgoing line end of the load transfer switch station is electrically connected with the load end, so that the load is transferred to the load transfer switch station to form bypass uninterrupted power supply, and when equipment in the transformer substation is overhauled or replaced and improved, the power failure time of a user can be reduced, and therefore the loss of the user and a power enterprise can be reduced.
(2) When the box door on the box body needs to be opened to connect the cable, the box door can be automatically opened through the hydraulic rod, and the box door is supported through the hydraulic rod, so that the corresponding cable can be connected by a worker more conveniently.
(3) In the invention, when the cables connected to the switch cabinet are connected to the load transfer switch station instead, each group of cables is respectively placed in the fixed gap, passes through the fixed rod through the fixed hole, then rotates the rotating plate towards the load transfer switch station, the rotating plate drives the cables to rotate towards the load transfer switch station, and then pushes the cable transfer mechanism to move towards the load transfer switch station, so that the labor intensity of workers can be reduced, and a plurality of cables can be prevented from being wound together, thereby improving the cable replacement efficiency.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic perspective view of a load transfer switchgear station of the present invention;
FIG. 4 is a schematic perspective view of the load transfer station of the present invention with the enclosure removed;
FIG. 5 is a schematic perspective view of the inner wall of the container body according to the present invention;
FIG. 6 is a schematic front sectional view of the cable transfer mechanism of the present invention;
FIG. 7 is a schematic top view of the cable transfer mechanism of the present invention;
FIG. 8 is a schematic diagram of the electrical connections of the substation of the present invention during normal operation;
FIG. 9 is a schematic diagram of the circuit connection of the transformer substation for load transfer according to the present invention;
reference numerals: 1 load transfer switch station, 101 box, 1011 chamber door, 1012 waterproof cloth, 2 cable, 3 transformer, 4 load ends, 5 DC screen, 6 outlet cabinet, 7 inlet cabinet, 8 gyro wheels, 9 supports, 10 mobile stations, 11 bearings, 12 rotor plate, 121 spacing groove, 13 division board, 131 fixed orifices, 14 dead lever, 15 fixed gaps, 16 column spinner.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Example 1
As shown in fig. 1-2, the present embodiment provides a pre-installed load transfer platform, which includes a transformer 3 and a switch cabinet electrically connected to each other, the transformer 3 is electrically connected to an incoming line power supply, and the switch cabinet is electrically connected to a load terminal 4, and further includes a load transfer switch station 1, an incoming line terminal of the load transfer switch station 1 is electrically connected to the transformer 3, and an outgoing line terminal of the load transfer switch station 1 is electrically connected to the load terminal 4.
The working principle is as follows: as shown in fig. 8, when the switch cabinet is in normal operation and does not need to be repaired or modified, the high-voltage incoming line power supply is connected with a conventional transformer 3 through a cable 2, and then is connected with a conventional switch cabinet, wherein the switch cabinet can be a 10KV switch cabinet, and then charges are delivered to a load terminal 4, namely a user position, through a conventional mode to supply power to a user incoming line.
As shown in fig. 9, when the incoming line of the switch cabinet needs to be repaired or technically improved, a 10KV load transfer switch station 1 is temporarily hoisted in the room of the original transformer substation, a cable 2 connected between a transformer 3 and the switch cabinet is changed to be connected between the transformer 3 and the load transfer switch station 1, a cable 2 connected between the switch cabinet and a load end 4 is changed to be connected between the load transfer switch station 1 and the load end 4, wherein the cable 2 can use an ERF flexible cable 2, an important load which cannot be transferred is connected to the low-voltage side of the transformer 3 and the 10KV load transfer switch station 1 to form a bypass uninterrupted power supply, then the equipment in the transformer substation is repaired or replaced and improved, so that the load transfer switch station 1 can normally supply power to users, thereby realizing a non-inductive service, namely, when the equipment in the transformer substation is repaired or replaced, the power failure time can be reduced; the terminal of the cable 2 can be prefabricated in a factory, a prefabricated foundation is not needed on the site, construction is extremely convenient and rapid, construction time is saved, construction difficulty is reduced, and power supply of equipment such as a main transformer and a switch cabinet is recovered after construction is finished, so that loss of users and power enterprises can be reduced; in addition, a protection switching signal interface and a differential protection current signal interface are reserved in the load transfer switch station 1 and are in butt joint with a cable 2 of a substation centralized control room, operation state monitoring and tripping protection operation of power equipment are achieved, power supply safety is guaranteed, a switch unit of the load transfer switch station 1 is provided with a secondary nuclear phase hole, and due to the fact that a middle cabinet type is adopted, a breaker unit can be movably drawn out, and electrified primary nuclear phase can be achieved on site conveniently.
Example 2
As shown in fig. 3 to 5, on the basis of the above embodiment 1, the present embodiment provides a preferred structure of the load transfer switching station 1 as follows: the load transfer switch station 1 comprises a box body 101, wherein a wire inlet cabinet 7, a wire outlet cabinet 6 and a direct current screen 5 which are electrically connected in sequence are installed in the box body 101, the wire inlet cabinet 7 is electrically connected with a transformer 3, and the wire outlet cabinet 6 is electrically connected with a load end 4.
The working principle is as follows: the bottom surface of the box body 101 can be further provided with a roller 8, so that the load transfer switch station 1 can be conveniently pushed to move, when the load transfer switch station 1 needs to be used, the incoming line cabinet 7 is electrically connected with the transformer 3 in a conventional mode, the outgoing line cabinet 6 is electrically connected with the load end 4, and a person skilled in the art knows how to connect the incoming line cabinet 7 specifically, wherein the model of the incoming line cabinet 7 can be selected from 3150A, the incoming line cabinet 7, namely the incoming line end, is led into a main switch cabinet of the power distribution device through a power grid power supply (the low-voltage side of a main transformer), bears current borne by the whole section of bus, and in the aspect of relay protection, when the main transformer low-voltage side bus or a circuit breaker has a fault, the fault is cut off by jumping the switch of the incoming line cabinet 7 by means of overcurrent protection on the low-voltage side of the transformer 3.
The number of the outlet cabinets 6 can be three, wherein the models of two outlet cabinets 6 can be 1600A, the model of one outlet cabinet 6 can be 1250A, and the outlet cabinet 6, namely an outlet end, can be led out to an outdoor pole line or a cable to be led out to the next-stage power distribution facility; the model of the direct current screen 5 can be 24Ah, and reliable operation and protection power supplies can be provided for the incoming line cabinet 7 and the outgoing line cabinet 6.
Preferably, a plurality of chamber doors 1011 are opened on the box 101, a hydraulic rod is installed on the box 101, the end of the hydraulic rod is connected with the chamber doors 1011, when the chamber doors 1011 on the box 101 need to be opened to connect cables, the chamber doors 1011 can be automatically opened through the hydraulic rod, and the chamber doors 1011 are supported through the hydraulic rod, so that the staff can connect corresponding cables more conveniently.
Preferably, the waterproof cloth strips 1012 are installed at the box door 1011, and the load transfer switching station 1 is installed outdoors, so that the waterproof requirement is very high, and the sealing performance of the box body 101 can be improved through the waterproof cloth strips 1012, so that the safety of equipment in the box body 101 can be further ensured; the box body 101 is externally provided with a circumferential reinforcing strip, and the firmness of the box body 101 can be increased through the reinforcing strip.
Example 3
As shown in fig. 6 to 7, on the basis of the above embodiment 1, this embodiment provides a preferable structure capable of improving the installation efficiency of the cable 2 between the load transfer switchgear station 1 and the transformer 3, wherein: still include cable 2 transfer mechanism, cable 2 transfer mechanism is including removing the subassembly, it installs rotating assembly to remove the subassembly, rotating assembly installs the 2 fixed subassemblies in branch of cable on the rotating assembly, it includes mobile station 10 to remove the subassembly, a plurality of supports 9 are installed to the bottom surface of mobile station 10, install gyro wheel 8 on the support 9, rotating assembly installs the top surface at mobile station 10, rotating assembly includes the column 16 of rotating installed at mobile station 10 top surface through bearing 11, rotor plate 12 is installed to the upper end of column 16, the 2 fixed subassemblies in branch of cable are installed on the top surface of rotor plate 12, the 2 fixed subassemblies in branch of cable are including installing a plurality of division boards 13 at rotor plate 12 top surface, fixed clearance 15 is left between two adjacent division boards 13, all open the multiunit fixed orifices 131 that are located the horizontal direction on every division board 13, the coaxial setting of every group fixed orifices 131, install the dead lever 14 that passes fixed orifices 131 on the division board 13.
In this embodiment: when needing to overhaul or improve techniques the cubical switchboard inlet wire, change the cable 2 of connecting on the cubical switchboard into and connect on load transfer switch station 1, specifically do: put every group cable 2 respectively in fixed clearance 15, and pass fixed orifices 131 with dead lever 14, dead lever 14 can prevent that cable 2 from scurrying out in fixed clearance 15, and all opened multiunit fixed orifices 131 on every division board 13, consequently, can be according to the thickness degree of every group cable 2, select to pass the dead lever 14 in the fixed orifices 131 of different positions, can adjust the space size between fixed clearance 15 and dead lever 14 like this, thereby can carry out better spacing to the cable 2 of different thicknesses, in order to make dead lever 14 be difficult to break away from in the fixed orifices 131, can also make through threaded connection between fixed orifices 131 and dead lever 14.
After the plurality of groups of cables 2 are respectively limited in the plurality of fixed gaps 15, a tangential force is applied to the rotating plate 12, the rotating plate 12 drives the rotating column 16 to rotate, the cables 2 are finally driven to rotate towards the load transfer switch station 1, after the cables 2 are aligned with the load transfer switch station 1, the cable transfer mechanism is pushed to move towards the load transfer switch station 1, therefore, the cables 2 can be pushed to move towards the load transfer switch station 1, the labor intensity of workers is reduced, and the cables 2 in different groups are respectively limited in the fixed gaps 15, so that the cables 2 are prevented from being wound together, the cables 2 in different groups can be more quickly and accurately distinguished, the efficiency of replacing the cables 2 can be improved, and the power failure time of users can be further reduced.
Preferably, the top surface of the rotating plate 12 is provided with a plurality of limiting grooves 121, the limiting grooves 121 are communicated with the fixed gap 15, and the longitudinal section of the limiting grooves 121 is arc-shaped, so that the cable 2 can contact with the arc-shaped limiting grooves 121, thereby reducing the abrasion of the cable 2 and further prolonging the service life of the cable 2.
Claims (10)
1. The utility model provides a prepackage type load transfer platform, includes mutual electric connection's transformer (3) and cubical switchboard, transformer (3) and inlet wire power electric connection, cubical switchboard and load end (4) electric connection, its characterized in that: the transformer substation is characterized by further comprising a load transfer switch station (1), wherein the wire inlet end of the load transfer switch station (1) is electrically connected with the transformer (3), and the wire outlet end of the load transfer switch station (1) is electrically connected with the load end (4).
2. The pre-assembled load transfer platform of claim 1, wherein: load transfer switch station (1) includes box (101), install inlet wire cabinet (7), the cabinet of being qualified for the next round of competitions (6) and direct current screen (5) of electric connection in proper order in box (101), inlet wire cabinet (7) and transformer (3) electric connection, outlet wire cabinet (6) and load end (4) electric connection.
3. The pre-assembled load transfer platform of claim 2, wherein: the number of the outgoing line cabinets (6) is multiple.
4. The pre-assembled load transfer platform of claim 2, wherein: a plurality of box doors (1011) are arranged on the box body (101), a hydraulic rod is mounted on the box body (101), and the end part of the hydraulic rod is connected with the box doors (1011).
5. The pre-assembled load transfer platform of claim 4, wherein: waterproof cloth strips (1012) are installed at the position of the box door (1011), and a circumferential reinforcing belt is installed outside the box body (101).
6. The pre-assembled load transfer platform of claim 1, wherein: still include cable transfer mechanism, cable transfer mechanism is including removing the subassembly, remove and install rotating assembly on the subassembly, the last cable branch road fixed subassembly that installs of rotating assembly.
7. The pre-assembled load transfer platform of claim 6, wherein: the moving assembly comprises a moving platform (10), a plurality of supports (9) are mounted on the bottom surface of the moving platform (10), rollers (8) are mounted on the supports (9), and the rotating assembly is mounted on the top surface of the moving platform (10).
8. The pre-assembled load transfer platform of claim 7, wherein: the rotating assembly comprises a rotating column (16) which is arranged on the top surface of the mobile station (10) through a bearing (11), the upper end of the rotating column (16) is provided with a rotating plate (12), and the cable shunt fixing assembly is arranged on the top surface of the rotating plate (12).
9. The pre-assembled load transfer platform of claim 8, wherein: the cable shunt fixing assembly comprises a plurality of partition plates (13) arranged on the top surface of a rotating plate (12), a fixing gap (15) is reserved between every two adjacent partition plates (13), a plurality of groups of fixing holes (131) located in the horizontal direction are formed in each partition plate (13), each group of fixing holes are coaxially arranged (131), and fixing rods (14) penetrating through the fixing holes (131) are arranged on the partition plates (13).
10. The pre-assembled load transfer platform of claim 9, wherein: the top surface of the rotating plate (12) is provided with a plurality of limiting grooves (121), the limiting grooves (121) are communicated with the fixed gap (15), and the longitudinal sections of the limiting grooves (121) are arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111682721.1A CN114284879A (en) | 2021-12-31 | 2021-12-31 | Prepackage type load transfer platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111682721.1A CN114284879A (en) | 2021-12-31 | 2021-12-31 | Prepackage type load transfer platform |
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| Publication Number | Publication Date |
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| CN114284879A true CN114284879A (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111682721.1A Pending CN114284879A (en) | 2021-12-31 | 2021-12-31 | Prepackage type load transfer platform |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110042911A1 (en) * | 2007-06-18 | 2011-02-24 | Rubbermaid Incorporated | Cart with flexible cable carrier |
| CN204042190U (en) * | 2014-09-11 | 2014-12-24 | 国家电网公司 | A kind of cable bearer be arranged in cable channel |
| CN210806593U (en) * | 2019-12-24 | 2020-06-19 | 郑州祥龙电力股份有限公司 | Cable laying traction equipment for power construction |
| CN213442676U (en) * | 2020-03-30 | 2021-06-15 | 陈文燕 | Circuit handling device for electric power construction |
| CN214543275U (en) * | 2021-04-08 | 2021-10-29 | 郑州祥和集团电气设备有限公司 | Load transfer switching station |
-
2021
- 2021-12-31 CN CN202111682721.1A patent/CN114284879A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110042911A1 (en) * | 2007-06-18 | 2011-02-24 | Rubbermaid Incorporated | Cart with flexible cable carrier |
| CN204042190U (en) * | 2014-09-11 | 2014-12-24 | 国家电网公司 | A kind of cable bearer be arranged in cable channel |
| CN210806593U (en) * | 2019-12-24 | 2020-06-19 | 郑州祥龙电力股份有限公司 | Cable laying traction equipment for power construction |
| CN213442676U (en) * | 2020-03-30 | 2021-06-15 | 陈文燕 | Circuit handling device for electric power construction |
| CN214543275U (en) * | 2021-04-08 | 2021-10-29 | 郑州祥和集团电气设备有限公司 | Load transfer switching station |
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