CN110790183B - Intelligent replacement device for distribution transformer - Google Patents
Intelligent replacement device for distribution transformer Download PDFInfo
- Publication number
- CN110790183B CN110790183B CN201911244315.XA CN201911244315A CN110790183B CN 110790183 B CN110790183 B CN 110790183B CN 201911244315 A CN201911244315 A CN 201911244315A CN 110790183 B CN110790183 B CN 110790183B
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- Prior art keywords
- frame
- winding
- electric
- fixedly connected
- guide rails
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- 238000004804 winding Methods 0.000 claims abstract description 52
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/60—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling combinations of dc and ac dynamo-electric motors
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses an intelligent replacement device for a distribution transformer, which comprises a rack and a supporting frame, wherein an electric linear moving device is arranged in the middle of the rack, universal wheels are arranged at the bottom of the rack, movable pulleys are arranged at the upper ends of four corners of the supporting frame, four fixed pulleys I are arranged at the tops of four corners of the supporting frame, the rack is arranged in the supporting frame and is wound with a steel wire rope corresponding to the movable pulleys and the fixed pulleys I at the four corners, one end of the steel wire rope is fixedly connected to the top end of the supporting frame, the other end of the steel wire rope is connected to an electric winding device, the electric winding device is fixedly connected to one side of the lower part of the supporting frame, the supporting frame is fixedly connected to a transformer installation cross arm, and the moving direction of the linear moving device is perpendicular to the transformer installation cross arm.
Description
Technical Field
The invention belongs to the technical field of transformer overhaul equipment, and relates to an intelligent replacement device for a distribution transformer.
Background
At present, a distribution transformer is replaced in two ways, namely crane replacement and manual replacement, the crane replacement needs personnel to be matched with the crane, a certain uncontrollable safety risk exists, the number of required personnel is large, time and labor are wasted, the labor, equipment and power failure cost are high, the manual replacement cost is higher, time and labor are wasted, and the power failure loss is large.
Disclosure of Invention
The invention aims to solve the technical problems that: the utility model provides a distribution transformer intelligence change device reduces the distribution network and changes the house number when distribution transformer has a power failure, reduces the average power failure time of customer and is the main index of power supply bureau management, promotes distribution transformer and changes efficiency and can reduce house number and customer power failure time when the customer has a power failure to solve the problem that exists among the prior art.
The technical scheme adopted by the invention is as follows: the utility model provides a distribution transformer intelligence change device, including frame and braced frame, frame mid-mounting has electronic rectilinear movement device, the bottom is provided with the universal wheel, the movable pulley is installed to four corners department upper ends, four fixed pulleys are first installed at braced frame four corners top, the movable pulley and the fixed pulley winding of corresponding four corners department in the braced frame are arranged in to the frame have wire rope, wire rope one end fixed connection is on the braced frame top, the other end is connected to electronic coiling device, electronic coiling device fixed connection is in braced frame lower part one side, braced frame fixed connection is on the transformer installation cross arm, and rectilinear movement device direction of movement is perpendicular to transformer installation cross arm.
Preferably, a second fixed pulley is mounted on the supporting frame between each first fixed pulley and the electric winding device, and the second fixed pulley can keep the wire rope wound out of the first fixed pulley vertically wound on the electric winding device.
Preferably, the supporting frame comprises four upright posts, and each side of the frame structure formed by the four upright posts is detachably and fixedly connected through four cross beams.
Preferably, the electric winding device comprises a winding frame and a winding motor, wherein the winding frame is rotatably connected with a winding drum, the upper side of the winding frame is open, one end of a rotating shaft connected with the winding drum extends out of the winding frame and then is connected with a motor shaft of the winding motor, and the winding motor is fixedly connected to the winding frame.
Preferably, the winding drum is wound with two steel wires on the same side of the supporting frame.
Preferably, the electric linear moving device comprises a sliding table and two fixed guide rails, wherein the sliding table is arranged on the two fixed guide rails through a sliding block, the two fixed guide rails are symmetrically and fixedly connected to the frame, the electric linear moving device further comprises two auxiliary guide rails, the two auxiliary guide rails are arranged on the transformer mounting cross arm and butt-joint the end parts of the two fixed guide rails, and the electric driving device is arranged at the bottom of the sliding table.
Preferably, the wheel frame of the movable pulley is hinged on the frame.
The invention has the beneficial effects that: compared with the prior art, the invention has more obvious advantages compared with the traditional mode. The method has the advantages that through actual work on site, the cost, the number of workers, the power failure loss and the completion operation steps of manual replacement, crane replacement and intelligent replacement device replacement are calculated, the result is obtained, the intelligent replacement device is used for replacing the transformer, great achievement is indeed obtained, the number of the households in the power failure is reduced by 98.3%, the time for replacing the transformer is reduced by 80%, the number of the workers is reduced from 16 (manual replacement) persons to 4 (crane replacement) persons, the number of the households in the power failure is effectively reduced, the time for replacing the transformer is shortened, and the operation steps of operators are reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a wiring diagram of an AC/DC motor;
fig. 3 is a control diagram of an ac/dc motor.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific examples.
Example 1: as shown in fig. 1-3, an intelligent replacing device for a distribution transformer comprises a stand 1 and a supporting frame 5, wherein an electric linear moving device 2 is installed in the middle of the stand 1, universal wheels 3 are arranged at the bottom of the electric linear moving device, movable pulleys 4 are installed at the upper ends of four corners of the stand 1, four fixed pulleys 6 are installed at the tops of four corners of the supporting frame 5, the stand 1 is arranged in the supporting frame 5 and corresponds to the movable pulleys 4 and the fixed pulleys 6 at the four corners, a steel wire rope 7 is wound around the movable pulleys 4 and the fixed pulleys 6, one end of the steel wire rope 7 is fixedly connected to the top end of the supporting frame 5, the other end of the steel wire rope is connected to an electric winding device 8, the electric winding device 8 is fixedly connected to one side of the lower portion of the supporting frame 5, the supporting frame 5 is fixedly connected to a transformer installation cross arm 9, and the moving direction of the linear moving device 2 is perpendicular to a transformer installation cross arm 9 on one side of an electric pole 17.
Preferably, a second fixed pulley 10 is mounted on the supporting frame 5 between each first fixed pulley 6 and the electric winding device 8, and the second fixed pulley 10 can keep the wire rope 7 wound by the first fixed pulley 6 vertically wound on the electric winding device 8, so that the wire rope can be smoothly wound on the winding drum.
Preferably, the supporting frame 5 comprises four upright posts, each side of the frame structure formed by the four upright posts is detachably and fixedly connected through four cross beams and bolts, the structure is simple, the assembly is convenient, the storage of each rod piece is convenient, and the occupied area after the storage is small.
Preferably, the electric winding device 8 includes a winding frame 11 and a winding motor 12, a winding drum 13 is rotatably connected in the winding frame 11, an upper side of the winding frame 11 is opened, one end of a rotating shaft connected with the winding drum 13 extends out of the winding frame and then is connected with a motor shaft of the winding motor 12, and the winding motor 12 is fixedly connected to the winding frame 11, so that rapid winding of the wire rope can be realized.
Preferably, the winding drum 13 is wound with two steel wires 7 on the same side of the supporting frame 5, so that power equipment is reduced, the structure is more compact, and the control is more convenient.
Preferably, the electric linear moving device 2 comprises a sliding table 14 and two fixed guide rails 15, the sliding table 14 is arranged on the two fixed guide rails 15 through a sliding block, the two fixed guide rails 15 are symmetrically and fixedly connected to the frame 1, the electric linear moving device further comprises two auxiliary guide rails 16, the two auxiliary guide rails 16 are placed on the transformer mounting cross arm 9 and butt-joint the end parts of the two fixed guide rails 15, an electric driving device is mounted at the bottom of the sliding table 14 and comprises a lead screw, a nut and a lead screw motor, two ends of the lead screw are connected to the frame 1 through two bearing seats, one end of the lead screw extends out and then is connected with the lead screw motor, the lead screw motor is fixedly connected to the bottom of the sliding table 14 through a nut seat, the linear moving device can push the transformer to the mounting position of the cross arm, and the auxiliary guide rails are adopted, so that the movement butt joint of the sliding table is facilitated.
Preferably, the wheel carrier of the movable pulley 4 is hinged on the frame 1, so that the self-adaptive butt joint with the fixed pulley can be realized.
The screw motor and the two winding motors are connected to a remote controller.
The operation process comprises the following steps: the intelligent replacement device framework is assembled, and three persons can complete the assembly within 15 minutes; the process of assembling the winch for replacing the track device needs three persons to be completed in 12 minutes; lifting the transformer to the intelligent replacing device on site, and fixing the supporting frame and the cross arm of the transformer rack together for only 4 minutes; the remote control lifts the transformer from the ground to the installation height for only 27 seconds; the remote control translates the transformer to the center of the gantry, which takes only five minutes.
Has more obvious advantages compared with the traditional mode. The method has the advantages that through actual work on site, the cost, the number of workers, the power failure loss and the completion operation steps of manual replacement, crane replacement and intelligent replacement device replacement are calculated, the result is obtained, the intelligent replacement device is used for replacing the transformer, great achievement is indeed obtained, the number of the households in the power failure is reduced by 98.3%, the time for replacing the transformer is reduced by 80%, the number of the workers is reduced from 16 (manual replacement) persons to 4 (crane replacement) persons, the number of the households in the power failure is effectively reduced, the time for replacing the transformer is shortened, and the operation steps of operators are reduced.
If the power supply load of a 10kV distribution line is 4000kW, the working average of replacing a transformer needs 5 hours, the power outage loss=5×4000=16000 kWh, the average unit price is 0.5 yuan/kWh, the loss amount is about 20000 kwh×0.5 yuan/kwh=1 ten thousand yuan, 180 transformers×1 ten thousand yuan/180 ten thousand yuan are newly added or replaced according to the economic development load increase condition on average, and the loss caused by the new or replacement of the distribution transformer is great each year. If only one 100kVA transformer is stopped, the power supply load is 60kW, the power outage loss=1×60=60 kWh, the average unit price is 0.5 yuan/kWh, the loss amount is about 120kwh×0.5 yuan/kwh=0.003 ten thousand yuan, the current office can increase or replace 180 transformers by 0.003 ten thousand yuan/station=0.54 ten thousand yuan according to the economic development load increase condition on average every year, and 179.46 ten thousand yuan can be saved for enterprises by utilizing the replacement device.
The foregoing is merely illustrative of the present invention, and the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the scope of the present invention, and therefore, the scope of the present invention shall be defined by the scope of the appended claims.
Claims (5)
1. An intelligent replacement device for a distribution transformer is characterized in that: the device comprises a frame (1) and a support frame (5), wherein an electric linear moving device (2) is arranged in the middle of the frame (1), universal wheels (3) are arranged at the bottom of the frame, movable pulleys (4) are arranged at the upper ends of four corners of the frame, four fixed pulleys I (6) are arranged at the tops of four corners of the frame (5), the frame (1) is arranged in the support frame (5) and corresponds to the movable pulleys (4) and the fixed pulleys I (6) at the four corners, a steel wire rope (7) is wound on the movable pulleys I (4) and the fixed pulleys I (6), one end of the steel wire rope (7) is fixedly connected to the top end of the support frame (5), the other end of the steel wire rope is connected to an electric winding device (8), the electric winding device (8) is fixedly connected to one side of the lower part of the support frame (5), the support frame (5) is fixedly connected to a transformer mounting cross arm (9), and the moving direction of the electric linear moving device (2) is perpendicular to the transformer mounting cross arm (9); the supporting frame (5) comprises four upright posts, and each side of a frame structure formed by the four upright posts is detachably and fixedly connected through four cross beams; the electric linear moving device (2) comprises a sliding table (14) and two fixed guide rails (15), wherein the sliding table (14) is arranged on the two fixed guide rails (15) through a sliding block, the two fixed guide rails (15) are symmetrically and fixedly connected to the frame (1), the electric linear moving device further comprises two auxiliary guide rails (16), the two auxiliary guide rails (16) are arranged on the transformer mounting cross arm (9) and butt-joint with the ends of the two fixed guide rails (15), and an electric driving device is arranged at the bottom of the sliding table (14).
2. The intelligent replacement device for a distribution transformer of claim 1, wherein: a second fixed pulley (10) is arranged on the supporting frame (5) between each first fixed pulley (6) and the electric winding device (8), and the second fixed pulley (10) can keep the wire rope (7) wound by the first fixed pulley (6) vertically wound on the electric winding device (8).
3. The intelligent replacement device for a distribution transformer of claim 1, wherein: the electric winding device (8) comprises a winding frame (11) and a winding motor (12), a winding drum (13) is rotatably connected in the winding frame (11), the upper side of the winding frame (11) is opened, one end of a rotating shaft connected with the winding drum (13) extends out of the winding frame and then is connected with a motor shaft of the winding motor (12), and the winding motor (12) is fixedly connected to the winding frame (11).
4. A distribution transformer intelligent replacement device according to claim 3, wherein: the winding drum (13) is wound with two steel wire ropes (7) on the same side of the supporting frame (5).
5. The intelligent replacement device for a distribution transformer of claim 1, wherein: the wheel frame of the movable pulley (4) is hinged on the frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911244315.XA CN110790183B (en) | 2019-12-06 | 2019-12-06 | Intelligent replacement device for distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911244315.XA CN110790183B (en) | 2019-12-06 | 2019-12-06 | Intelligent replacement device for distribution transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110790183A CN110790183A (en) | 2020-02-14 |
| CN110790183B true CN110790183B (en) | 2024-04-02 |
Family
ID=69447816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911244315.XA Active CN110790183B (en) | 2019-12-06 | 2019-12-06 | Intelligent replacement device for distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110790183B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103613031A (en) * | 2013-11-28 | 2014-03-05 | 国家电网公司 | Simple transformer hoisting device |
| WO2016077999A1 (en) * | 2014-11-19 | 2016-05-26 | 江苏瑞恩电气集团有限公司 | Mobile device for transformer |
| CN106856122A (en) * | 2015-12-08 | 2017-06-16 | 重庆市涪陵区腾图广告有限公司 | A kind of fixed mount for being easy to distribution transformer to install |
| CN107285213A (en) * | 2017-07-13 | 2017-10-24 | 红云红河烟草(集团)有限责任公司 | A kind of oil-filled transformer on-load voltage regulating switch hoisting device |
| CN208166427U (en) * | 2018-04-28 | 2018-11-30 | 国网安徽省电力有限公司望江县供电公司 | A kind of small-sized hanging apparatus of distribution transformer |
| CN209081309U (en) * | 2018-09-30 | 2019-07-09 | 昆山禾旺电子有限公司 | A kind of low power loss transformer erecting by overhang |
| CN211004356U (en) * | 2019-12-06 | 2020-07-14 | 贵州电网有限责任公司 | Intelligent replacing equipment for distribution transformer |
-
2019
- 2019-12-06 CN CN201911244315.XA patent/CN110790183B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103613031A (en) * | 2013-11-28 | 2014-03-05 | 国家电网公司 | Simple transformer hoisting device |
| WO2016077999A1 (en) * | 2014-11-19 | 2016-05-26 | 江苏瑞恩电气集团有限公司 | Mobile device for transformer |
| CN106856122A (en) * | 2015-12-08 | 2017-06-16 | 重庆市涪陵区腾图广告有限公司 | A kind of fixed mount for being easy to distribution transformer to install |
| CN107285213A (en) * | 2017-07-13 | 2017-10-24 | 红云红河烟草(集团)有限责任公司 | A kind of oil-filled transformer on-load voltage regulating switch hoisting device |
| CN208166427U (en) * | 2018-04-28 | 2018-11-30 | 国网安徽省电力有限公司望江县供电公司 | A kind of small-sized hanging apparatus of distribution transformer |
| CN209081309U (en) * | 2018-09-30 | 2019-07-09 | 昆山禾旺电子有限公司 | A kind of low power loss transformer erecting by overhang |
| CN211004356U (en) * | 2019-12-06 | 2020-07-14 | 贵州电网有限责任公司 | Intelligent replacing equipment for distribution transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110790183A (en) | 2020-02-14 |
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