CN112003177A - Trolley device for overhauling 10kV circuit breaker in transformer substation and using method - Google Patents
Trolley device for overhauling 10kV circuit breaker in transformer substation and using method Download PDFInfo
- Publication number
- CN112003177A CN112003177A CN202010860674.4A CN202010860674A CN112003177A CN 112003177 A CN112003177 A CN 112003177A CN 202010860674 A CN202010860674 A CN 202010860674A CN 112003177 A CN112003177 A CN 112003177A
- Authority
- CN
- China
- Prior art keywords
- trolley
- top plate
- circuit breaker
- overhauling
- breaker
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/002—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by a rectangular shape, involving sidewalls or racks
- B62B3/005—Details of storage means, e.g. drawers, bins or racks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
Abstract
The invention discloses a trolley device for overhauling a 10kV circuit breaker in a transformer substation, belonging to the technical field of electric power equipment overhauling devices; it comprises a trolley with a box-shaped structure; the lower bottom of the trolley is provided with a roller; the interior of the trolley is hollow, and a top window is formed in the upper top of the trolley; an operating platform is arranged in the inner cavity of the trolley; the operating platform comprises a base; a hydraulic lifting mechanism is arranged on the base; the fixed end of the hydraulic lifting mechanism is fixed on the base, and the telescopic end of the hydraulic lifting mechanism is fixed on the top plate; the top plate can extend out along the top window; a circuit breaker locking limiter is also arranged on the upper top end surface of the top plate; the invention effectively solves the problems that the conventional trolley device for overhauling the distribution box circuit breaker in the transformer substation is troublesome in structural operation, can be operated by cooperation of multiple persons, and has certain potential safety hazards.
Description
Technical Field
The invention relates to the technical field of power equipment maintenance devices, in particular to a trolley device for maintaining a 10kV circuit breaker in a transformer substation and a using method of the trolley device.
Background
In the routine maintenance to the transformer substation overhauls, the circuit breaker often is key inspection project, but because the circuit breaker in the distribution box after breaking down, can not directly overhaul it according to the regulation, generally pull out the back again through the dolly with correspond operation platform and exchange it with reserve circuit breaker in the distribution box with the circuit breaker, treat that it is put back again after the fault handling of former circuit breaker, and confine to the structure of using dolly and operation platform at present, the quality of circuit breaker is heavier simultaneously, need many people to cooperate at present just can load and unload the circuit breaker, this has greatly increaseed personnel's work burden, still there is certain potential safety hazard during many people's cooperation operation simultaneously, this is the technical problem that needs to solve at present.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a dolly device for overhauing 10kV circuit breaker in transformer substation to solve the used dolly device structure troublesome poeration of overhauing to block terminal circuit breaker in the current transformer substation, need many people to cooperate just can go on, and have the problem of certain potential safety hazard.
In order to solve the problems, the invention provides the following technical scheme:
a trolley device for overhauling a 10kV circuit breaker in a transformer substation comprises a trolley in a box-type structure; the lower bottom of the trolley is provided with a roller; the interior of the trolley is hollow, and a top window is formed in the upper top of the trolley; an operating platform is arranged in the inner cavity of the trolley; the operating platform comprises a base; a hydraulic lifting mechanism is arranged on the base; the fixed end of the hydraulic lifting mechanism is fixed on the base, and the telescopic end of the hydraulic lifting mechanism is fixed on the top plate; the top plate can extend out along the top window; and a circuit breaker locking limiter is also arranged on the upper top end surface of the top plate.
Preferably, the lower bottom of the trolley is also provided with a mounting through hole; the base sets up in the installation through-hole, and also be equipped with the gyro wheel in the below of base.
Preferably, the side wall of the inner cavity of the trolley and the top plate are correspondingly provided with mutually matched anti-skid limiters; the anti-skid limiting device is arranged along the telescopic direction of the hydraulic lifting mechanism.
Preferably, the two adjacent side end faces of the top plate are respectively provided with a telescopic widening mechanism and a telescopic lengthening mechanism.
Preferably, an interactive window is arranged at the side end of the trolley, and the width of the interactive window is smaller than that of the base.
Preferably, a spacing locking device matched with the distribution box for use is further installed at the side end of the trolley.
Preferably, circuit breaker locking stopper is including fixing the fixed block on the roof to and can carry out detachably on the roof different positions and install the movable block.
A use method of a trolley device for overhauling a 10kV circuit breaker in a transformer substation comprises the following steps:
s1, pushing the trolley with the operating platform inside to the position of the distribution box with the fault, and fixing the trolley and the distribution box by using an interval locking device;
s2, after the interval locking device is fixed and correct, operating the hydraulic lifting mechanism to lift the top plate to extend out of the top window, adjusting the size of the top plate according to the actual working condition after the top plate extends out, stretching through the telescopic widening mechanism or the telescopic lengthening mechanism during specific adjustment, and splicing and fixing the anti-skid limiters at corresponding positions to change the size of the top plate;
s3, transferring the circuit breaker needing to be overhauled in the fault distribution box onto the top plate, and then limiting and fixing the circuit breaker on the top plate by using a circuit breaker locking limiter;
s4, operating the hydraulic lifting mechanism to lower the top plate, and taking out the breaker from the interactive window; the replacement circuit breaker can be installed into the distribution box according to the reverse operation flow.
The invention has the beneficial effects that:
the invention designs a novel trolley device aiming at the daily maintenance of the circuit breaker in the distribution box of the existing transformer substation, which keeps the trolley structure of the original box body shape, and an operation platform with a hydraulic telescopic mechanism is arranged in the trolley structure, and the telescopic mechanism is utilized to drive the top plate to stretch, so that the bottom plate can pass through the top of the trolley to be level with the height of the cabinet body of the distribution box, thereby facilitating the transfer of the circuit breaker, and simultaneously can drive the top plate to retract so as to facilitate the taking and placing of the transformer substation from the trolley device; greatly liberate the degree of labour that original device needs many people to operate, set up the spacing locking means of circuit breaker on the roof simultaneously and satisfy the security that improves in the device use.
Drawings
FIG. 1 is a schematic structural view of the present invention in an embodiment;
FIG. 2 is a schematic structural diagram of the operation platform in the embodiment;
description of reference numerals: 1. the trolley comprises a trolley body, a top window, a 1A interaction window, a 2 operation platform, a 3 base, a 4 hydraulic lifting mechanism, a 5 top plate, a 6 circuit breaker locking limiter, a 7 anti-skidding limiter, an 8 interval locking device, a 9 telescopic widening mechanism and a 10 telescopic lengthening mechanism.
Detailed Description
The invention will be further described with reference to the following drawings and specific embodiments:
example (b):
referring to fig. 1 and 2, the present embodiment provides a trolley device for overhauling a 10kV circuit breaker in a transformer substation, which includes a trolley 1 in a box-type structure; the lower bottom of the trolley is provided with a roller; the interior of the trolley 1 is hollow, and a top window 1A is formed in the upper top of the trolley 1; an operating platform 2 is arranged in the inner cavity of the trolley 1; the operating platform 2 comprises a base 3; a hydraulic lifting mechanism 4 is arranged on the base 3; the fixed end of the hydraulic lifting mechanism 4 is fixed on the base 3, and the telescopic end is fixed on the top plate 5; the top plate 5 may extend along the top window 1A; a breaker locking stopper 6 is also provided on the upper end surface of the top plate 5. The hydraulic lifting mechanism 4 used in the present embodiment is a PT300A type folding flat plate lifting mechanism manufactured by jazz corporation; the rated load is 300 kg; the effective telescopic length is 600 mm; the structure that can satisfy present mainstream block terminal uses.
The lower bottom of the trolley 1 is also provided with a mounting through hole; the base 3 is arranged in the mounting through hole, and the roller is also arranged below the base 3. The operating platform 2 is arranged to be jointly movable with the trolley 1 in order to facilitate the exchange of the operating platform 2 directly from the bottom of the trolley 2.
The side wall of the inner cavity of the trolley 1 and the top plate 5 are correspondingly provided with anti-skid limiters 7 which are matched with each other; the anti-skid stopper 7 is arranged along the telescopic direction of the hydraulic lifting mechanism 4. The antiskid limiters 7 arranged in the inner cavity of the trolley 1 are two groups in total and are arranged oppositely. The anti-slip stopper 7 is provided mainly to prevent the problem of the top plate 5 portion rolling due to the shift of the center of gravity of the circuit breaker to be repaired.
Referring to fig. 2, a telescopic widening mechanism 9 and a telescopic lengthening mechanism 10 are respectively installed on two adjacent side end faces of the top plate 5; one of the anti-slip stops on the operating platform 2 is fixed to a longitudinal end face on the top plate 5, in order to oppose the anti-slip stop 7 in the trolley 1, and the other anti-slip stop is mounted on the telescopic lengthening mechanism 10 corresponding to this end face. In addition, the telescopic widening mechanism 9 and the telescopic lengthening mechanism 10 used in the embodiment both use folding telescopic plates so as to be suitable for inner cavity structures of trolleys 1 with different sizes; it should be noted that, in order that the top plate 1 still has a certain rigidity after the circuit breaker is transferred onto the top plate 5, the effective telescopic lengths of the telescopic widening mechanism 9 and the telescopic lengthening mechanism 10 are generally not more than one third of the corresponding length and width of the top plate 1, and both mechanisms are manually and manually operated by an operator to extend and retract the top plate 1; the size of the top plate is ensured by using the telescopic widening mechanism 9 and the telescopic lengthening mechanism 10. Meanwhile, the anti-skid limiters are a guide groove and a slide block mechanism which are matched with each other, in the embodiment, the guide grooves are all arranged on the inner cavity of the trolley 1, and the corresponding slide blocks are arranged on the operating platform 2; and the cross-sectional shapes of the guide groove and the sliding block are T-shaped structures so as to improve the connection reliability.
An interactive window 1B is arranged at the side end of the trolley 1, and the width of the interactive window 1B is smaller than that of the base 3. The interaction window 1B at the side end is beneficial to taking out the circuit breaker from the interaction window 1B without lifting the whole box body of the trolley 1.
And an interval locking device 8 matched with the distribution box for use is further installed at the side end of the trolley 1. The spacer locking device 8 can refer to a conventional substation trolley structure, and is intended to detachably fix the trolley 1 and the distribution box, and to prevent the trolley 1 from sliding freely during operation.
Referring to fig. 2, the circuit breaker locking stopper 6 includes a fixed block fixed on the top plate 5, and a movable block detachably mountable at different positions on the top plate 5. In this embodiment, the installation of movable block relies on that a plurality of that opens on roof 5 is the spacing blind hole of step form and goes on, can be according to the figure and the mounted position of the movable block that the size adjustment of circuit breaker used among the concrete operation process to effectively spacing to the circuit breaker, thereby reduce the potential safety hazard.
When the device in the embodiment of the invention is used for overhauling the circuit breaker in the fault distribution box, the method can be carried out according to the following steps:
s1, pushing the trolley 1 with the operating platform 2 placed inside to the position of the distribution box with the fault, and fixing the trolley 1 and the distribution box by using the interval locking device 8;
s2, after the interval locking device 8 is fixed, operating the hydraulic lifting mechanism 4 to lift the top plate 5 to extend out of the top window 1A, adjusting the size of the top plate 5 according to actual working conditions after the top plate 5 extends out, stretching through the stretching widening mechanism 9 or the stretching lengthening mechanism 10 during specific adjustment, and splicing and fixing the anti-skid limiters at corresponding positions to change the size of the top plate 5;
s3, transferring the circuit breaker needing to be overhauled in the fault distribution box onto the top plate 5, and then limiting and fixing the circuit breaker on the top plate 5 by using the circuit breaker locking limiter 6;
s4, operating the hydraulic lifting mechanism 4 to lower the top plate 5 and taking out the breaker from the interactive window 1B; the replacement circuit breaker can be installed into the distribution box according to the reverse operation flow.
Claims (8)
1. A trolley device for overhauling a 10kV circuit breaker in a transformer substation comprises a trolley (1) in a box type structure; the lower bottom of the trolley is provided with a roller; the method is characterized in that: the interior of the trolley (1) is hollow, and a top window (1A) is formed in the upper top of the trolley (1); an operating platform (2) is arranged in the inner cavity of the trolley (1); the operating platform (2) comprises a base (3); a hydraulic lifting mechanism (4) is arranged on the base (3); the fixed end of the hydraulic lifting mechanism (4) is fixed on the base (3), and the telescopic end is fixed on the top plate (5); the top plate (5) can extend out along the top window (1A); and a breaker locking limiter (6) is also arranged on the upper top end surface of the top plate (5).
2. The trolley device for overhauling a 10kV breaker in a substation according to claim 1, is characterized in that: the lower bottom of the trolley (1) is also provided with a mounting through hole; the base (3) is arranged in the mounting through hole, and the roller is also arranged below the base (3).
3. The trolley device for overhauling a 10kV breaker in a substation according to claim 1, is characterized in that: the side wall of the inner cavity of the trolley (1) and the top plate (5) are correspondingly provided with anti-skid limiters (7) which are matched with each other; the anti-skid limiting device (7) is arranged along the telescopic direction of the hydraulic lifting mechanism (4).
4. The trolley device for overhauling a 10kV breaker in a substation according to claim 1, is characterized in that: two adjacent side end faces of the top plate (5) are respectively provided with a telescopic widening mechanism (9) and a telescopic lengthening mechanism (10).
5. The trolley device for overhauling a 10kV breaker in a substation according to claim 1, is characterized in that: an interactive window (1B) is arranged at the side end of the trolley (1), and the width of the interactive window (1B) is smaller than that of the base (3).
6. The trolley device for overhauling a 10kV breaker in a substation according to claim 1, is characterized in that: an interval locking device (8) matched with the distribution box for use is further mounted at the side end of the trolley (1).
7. The trolley device for overhauling a 10kV breaker in a substation according to claim 1, is characterized in that: circuit breaker locking stopper (6) are including fixing the fixed block on roof (5) to and can carry out detachably on roof (5) different positions and install the movable block.
8. Use of a trolley device for overhaul of 10kV circuit breakers in substations according to any of claims 1 to 7, characterized in that: the method comprises the following steps:
s1, pushing the trolley (1) with the operating platform (2) inside to the position of the distribution box with the fault, and fixing the trolley (1) and the distribution box by using an interval locking device (8);
s2, after the interval locking device (8) is fixed, operating the hydraulic lifting mechanism (4) to lift the top plate (5) to extend out of the top window (1A), adjusting the size of the top plate (5) according to the actual working condition after the top plate (5) extends out, stretching through the stretching widening mechanism (9) or the stretching lengthening mechanism (10) during specific adjustment, and splicing and fixing the anti-skid limiters at corresponding positions to change the size of the top plate (5);
s3, transferring the circuit breaker needing to be overhauled in the fault distribution box onto the top plate (5), and then limiting and fixing the circuit breaker on the top plate (5) by using a circuit breaker locking limiter (6);
s4, operating the hydraulic lifting mechanism (4) to lower the top plate (5) and taking out the breaker from the interaction window (1B); the replacement circuit breaker can be installed into the distribution box according to the reverse operation flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010860674.4A CN112003177A (en) | 2020-08-25 | 2020-08-25 | Trolley device for overhauling 10kV circuit breaker in transformer substation and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010860674.4A CN112003177A (en) | 2020-08-25 | 2020-08-25 | Trolley device for overhauling 10kV circuit breaker in transformer substation and using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112003177A true CN112003177A (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010860674.4A Pending CN112003177A (en) | 2020-08-25 | 2020-08-25 | Trolley device for overhauling 10kV circuit breaker in transformer substation and using method |
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| Country | Link |
|---|---|
| CN (1) | CN112003177A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07132770A (en) * | 1993-11-08 | 1995-05-23 | Shoji Jinbo | Working type load-carrying platform for cargo transport vehicle, cargo collapse preventing device attendant to load-carrying platform, and easy loading and unloading hand truck |
| US20140104759A1 (en) * | 2011-10-31 | 2014-04-17 | Fuji Electric Co., Ltd. | Inverter apparatus |
| CN105819075A (en) * | 2016-04-29 | 2016-08-03 | 无锡港盛重型装备有限公司 | Accommodating device for hardware machining detection |
| CN208559424U (en) * | 2018-05-31 | 2019-03-01 | 天津市中天电气有限公司 | A kind of drawer of low-voltage switch cabinet transfer car(buggy) |
| CN109941322A (en) * | 2019-03-29 | 2019-06-28 | 宁波吉姆服饰有限公司 | A kind of textile cloth indoor transporting equipment |
| CN209143626U (en) * | 2018-12-01 | 2019-07-23 | 云南立达尔生物科技有限公司 | Raw material transporting device is used in a kind of production of lutein |
| CN209581548U (en) * | 2018-11-20 | 2019-11-05 | 国网福建省电力有限公司永安市供电公司 | Adjustable breaker transfer car(buggy) |
| CN210556285U (en) * | 2019-04-13 | 2020-05-19 | 吕翠芬 | New energy product display stand |
-
2020
- 2020-08-25 CN CN202010860674.4A patent/CN112003177A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07132770A (en) * | 1993-11-08 | 1995-05-23 | Shoji Jinbo | Working type load-carrying platform for cargo transport vehicle, cargo collapse preventing device attendant to load-carrying platform, and easy loading and unloading hand truck |
| US20140104759A1 (en) * | 2011-10-31 | 2014-04-17 | Fuji Electric Co., Ltd. | Inverter apparatus |
| CN105819075A (en) * | 2016-04-29 | 2016-08-03 | 无锡港盛重型装备有限公司 | Accommodating device for hardware machining detection |
| CN208559424U (en) * | 2018-05-31 | 2019-03-01 | 天津市中天电气有限公司 | A kind of drawer of low-voltage switch cabinet transfer car(buggy) |
| CN209581548U (en) * | 2018-11-20 | 2019-11-05 | 国网福建省电力有限公司永安市供电公司 | Adjustable breaker transfer car(buggy) |
| CN209143626U (en) * | 2018-12-01 | 2019-07-23 | 云南立达尔生物科技有限公司 | Raw material transporting device is used in a kind of production of lutein |
| CN109941322A (en) * | 2019-03-29 | 2019-06-28 | 宁波吉姆服饰有限公司 | A kind of textile cloth indoor transporting equipment |
| CN210556285U (en) * | 2019-04-13 | 2020-05-19 | 吕翠芬 | New energy product display stand |
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