CN115117775A - High-voltage switch cabinet handcart transferring device and method - Google Patents
High-voltage switch cabinet handcart transferring device and method Download PDFInfo
- Publication number
- CN115117775A CN115117775A CN202210334071.XA CN202210334071A CN115117775A CN 115117775 A CN115117775 A CN 115117775A CN 202210334071 A CN202210334071 A CN 202210334071A CN 115117775 A CN115117775 A CN 115117775A
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- lifting
- switch cabinet
- handcart
- slide rail
- tray
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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
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
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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
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Handcart (AREA)
Abstract
The invention provides a handcart transferring device and method for a high-voltage switch cabinet, which comprises the following steps: the lifting mechanism is arranged on the upper surface of the base; the lifting mechanism comprises a lifting tray, a lifting slide rail and a driving unit, the lifting tray is connected with the lifting slide rail in a sliding manner, and the lifting slide rail is arranged on the base; the lifting tray is also connected with a driving unit, and the driving unit is used for driving the lifting tray to move along the lifting slide rail; an accommodating space is arranged in the lifting tray and used for accommodating a switch cabinet handcart; the problem of the skew of present high tension switchgear handcart switch focus of toppling over is effectively solved, and the operation is simple and easy convenient in the use, has guaranteed fortune dimension personnel and maintainer's personal safety.
Description
Technical Field
The invention belongs to the technical field of high-voltage switch cabinets, and particularly relates to a handcart transferring device and method for a high-voltage switch cabinet.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
At present, when a handcart of a 35-kilovolt bus switch of a 110-kilovolt transformer substation is pulled out of a switch cabinet during overhauling, the handcart is prone to overturn, and the accidents of death of transformer operation and maintenance personnel are caused. Through analysis, the handcart and the guide rail of the 35kV switch cabinet are unreasonably designed when accidents occur, the center of gravity of the handcart is higher and forward, the matched guide rail outside the cabinet has a slope, and the handcart is surely toppled out in the process of pulling out.
How to avoid toppling over the problem in the handcart pulling-out process is a difficult problem to be solved, and for the handcart, because it has the wheel by itself, the handcart is easy to be blocked in moving because of one of the wheels screens in the handcart pushing process, and how to improve the handcart moving stability in the transfer process is also a technical problem to be solved.
Disclosure of Invention
In order to solve the problems, the invention adopts the following technical scheme:
in a first aspect, the present invention provides a high voltage switch cabinet handcart transfer device, including: the lifting mechanism is arranged on the upper surface of the base;
the lifting mechanism comprises a lifting tray, a lifting slide rail and a driving unit, the lifting tray is connected with the lifting slide rail in a sliding manner, and the lifting slide rail is arranged on the base; the lifting tray is also connected with a driving unit, and the driving unit is used for driving the lifting tray to move along the lifting slide rail; an accommodating space is arranged in the lifting tray and used for accommodating a switch cabinet handcart.
Furthermore, a positioning guide rail is further arranged in the lifting tray and used for guiding and positioning the switch cabinet handcart to enter and exit the lifting tray.
Further, the base includes U template, first 7 word shaped plate and second 7 word shaped plate, the first 7 word shaped plate of upper surface mounting in the lower left corner of U template, the 7 word shaped plate of upper surface mounting second in the lower right corner of U template, and the side of base is the zigzag. And moving mechanisms are arranged on the lower surfaces of the top structures of the first 7-shaped plate and the second 7-shaped plate.
Further, the moving mechanism comprises a mounting plate and a universal wheel, and the universal wheel is mounted on the bottom surface of the base through the mounting plate.
Furthermore, the lifting slide rail is a vertical slide rail, a slide block is arranged on the vertical slide rail, and the slide block is connected with the lifting tray.
Furthermore, a limiting part is further installed on one side face of the lifting tray and used for limiting the switch cabinet trolley in the accommodating space.
Furthermore, the driving unit comprises a hydraulic jack and a lifting plate, the lifting plate is installed on the rear side face of the lifting tray, and the hydraulic jack is used for pushing the lifting plate to move up and down, so that the lifting tray is driven to move up and down along the lifting slide rail.
The lifting tray is of a shovel-shaped structure, and one side surface of the top of the lifting tray is of an open structure; the side of the lifting tray is in a right trapezoid shape, a handcart fixing clamping groove is arranged in the middle of the top face of the right trapezoid shape, and the handcart fixing clamping groove is used for limiting a switch cabinet handcart.
In a second aspect, the present invention provides a working method of the high voltage switch cabinet trolley transferring device according to the first aspect, including:
the switch cabinet trolley is transferred into a lifting tray of a lifting mechanism under the guiding and positioning of a positioning slide rail, and is limited by a limiting piece;
transferring the base to a set area through a moving mechanism;
the driving unit of the lifting mechanism is utilized to drive the lifting tray to be lifted or lowered along the lifting slide rail for a set height, and the switch cabinet trolley is transferred to a station under the guiding and positioning of the positioning slide rail.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by arranging the lifting mechanism and the moving mechanism, the lifting tray can slide up and down along the lifting slide rail under the driving of the driving unit, so that the switch cabinet handcart in the accommodating space is lifted to a set distance and then is translated to the ground or the inside of the switch cabinet along the positioning guide rail 11, the problem that the gravity center of the conventional high-voltage switch cabinet handcart switch deviates from toppling is effectively solved, and the conventional 35kV high-voltage switch cabinet handcart switch is a safe risk point that the handcart switch exists and the gravity center deviates from toppling to hurt people due to direct pulling out. After innovation, the handcart is pulled out in two steps by the trolley auxiliary lifting mechanism and the trolley auxiliary moving mechanism, and (1) the handcart switch of the 35kV high-voltage switch cabinet is firstly pulled out in parallel into the lifting tray, so that the problem that the guide rail outside the cabinet has a slope is solved. (2) After the handcart switch of the 35kV high-voltage switch cabinet is pulled out, the handcart switch vertically descends on the lifting tray, and the stability of the gravity center is ensured.
2. The invention transfers the switch cabinet trolley into the lifting tray of the lifting mechanism under the guiding and positioning of the positioning slide rail, and utilizes the position limiting piece to limit, the base is transferred to a set area through the moving mechanism, the driving unit of the lifting mechanism drives the lifting tray to lift or descend along the lifting slide rail for a set height, the switch cabinet trolley is transferred to a station under the guiding and positioning of the positioning slide rail, the handcart wheels can be limited in the containing space in the handcart transferring process and are limited by the positioning slide rail in the handcart moving process, the whole handcart transferring process is smooth, the problem that the whole handcart is easy to move and be blocked due to the clamping of one wheel in the process of pushing the handcart is effectively solved, the handcart pulling device is simple and convenient to operate in the using process, the problem that the handcart is toppled in the pulling process is thoroughly solved, and the personal safety of operation and maintenance personnel and maintainers is guaranteed.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the proper forms disclosed herein.
Fig. 1 is a front view of a schematic structural diagram of a high-voltage switch cabinet handcart transfer device;
FIG. 2 is a side view of a schematic structural diagram of a high-voltage switch cabinet handcart transfer device
Wherein: 1. pushing the handrail; 2. lifting the slide rail; 3. locking the connecting rod hook; 4. lifting the tray; 5. an oil return valve connecting rod; 6. a lifting plate; 7. a hydraulic jack; 8. treading a hydraulic pedal; 9. a universal wheel; 10. a base; 11. positioning the guide rail; 12. a directional wheel; 13. the handcart is fixed with a clamping groove.
Detailed Description
The invention is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of the features, steps, operations, devices, components, and/or combinations thereof.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment provides a high voltage switch cabinet handcart transferring device, which includes a base 10, a lifting mechanism and a moving mechanism; the lifting mechanism comprises a lifting tray 4, a lifting slide rail 2 and a driving unit, the lifting slide rail 2 is mounted on the base 10, the lifting tray 4 is connected with the lifting slide rail 2 in a sliding mode, one side of the lifting tray 4 is connected with the driving unit, an accommodating space is formed in the lifting tray 4 and used for accommodating a switch cabinet handcart, and a positioning rail is further arranged in the lifting tray 4 and used for guiding and positioning the lifting tray 4 for the switch cabinet handcart to enter and exit; the lifting tray 4 can slide up and down along the lifting slide rail 2 under the driving of the driving unit, so that the switch cabinet handcart in the accommodating space is lifted to a set distance and then is translated to the ground or the inside of the switch cabinet along the positioning rail.
As an implementation mode, a hand-push handrail 1 is further installed on the base 10, as an implementation mode, the hand-push handrail 1 is of a 7-shaped integrated structure, the bottom end of the 7-shaped integrated structure is installed on the base, and the other end of the 7-shaped integrated structure is connected with the top end of the lifting slide rail; as another embodiment, the hand push handrail 1 comprises a vertical handrail and an arc handrail, one end of the arc handrail is connected with the vertical handrail, the other end of the arc handrail is connected with the lifting slide rail 2, the vertical handrail and the lifting slide rail 2 are arranged in parallel, and the vertical handrail is installed on the base.
As an embodiment, the base 10 comprises a U-shaped plate, a first 7-shaped plate and a second 7-shaped plate, the first 7-shaped plate is mounted on the upper surface of the left lower corner of the U-shaped plate, the second 7-shaped plate is mounted on the upper surface of the right lower corner of the U-shaped plate, the side surface of the base 10 is in a zigzag shape, and the lower surfaces of the top structures of the first 7-shaped plate and the second 7-shaped plate are both provided with a moving mechanism; the moving mechanism comprises a mounting plate and a universal wheel 9, wherein the universal wheel 9 is mounted on the lower surface of the top structure of the 7-shaped plate through the mounting plate. The inner side surface of the upper left corner of the U-shaped plate is provided with a directional wheel 12, and the inner side surface of the upper right corner of the U-shaped plate is also provided with a directional wheel 12.
As an implementation mode, the lifting slide rail 2 is a vertical slide rail, a slide block is installed on the vertical slide rail, and the slide block is connected with the lifting tray 4.
As an implementation mode, a limiting member is further installed on one side surface of the lifting tray 4, the limiting member is used for limiting the switch cabinet trolley, and the limiting member locks the handcart moving device and the switch cabinet to prevent the switch cabinet trolley from displacing when the handcart transferring device is pulled out; the locating part can be locking connecting rod couple 3, and locking connecting rod couple 3 is installed at the lateral surface of lift tray 4, and the left and right sides of lift tray 4 all sets up locking connecting rod couple 3.
As an embodiment, the driving unit includes a hydraulic jack 7 and a lifting plate 6, the lifting plate 6 is installed on the rear side of the lifting tray 4, and the hydraulic jack 7 is used for pushing the lifting plate 6 to move up and down, so as to drive the lifting tray 4 to move up and down along the lifting slide rail 2. The driving unit also drives an oil return valve connecting rod 5 and a foot-operated hydraulic pedal 8, the oil return valve connecting rod 5 is used for oil return operation, and the foot-operated hydraulic pedal 8 is used for controlling the telescopic motion of a hydraulic cylinder through foot-operated actions of an operator, so that the height of the lifting tray 4 is adjusted.
As an embodiment, the lifting tray 4 is a shovel-shaped structure, the shovel-shaped structure includes a bottom plate, the bottom plate is respectively connected with a left side plate, a right side plate and a back plate, the bottom plate is rectangular, the left side plate and the right side plate are both right trapezoid, the back plate is rectangular, the positioning rails are mounted on the upper surface of the bottom plate of the shovel-shaped structure, the number of the positioning rails is two, and the two positioning rails are arranged in parallel.
One side surface of the top of the lifting tray 4 is of an open structure; the side of the lifting tray 4 is in the shape of a right trapezoid, a handcart fixing clamping groove 13 is arranged in the middle of the top surface of the right trapezoid, and the handcart fixing clamping groove is used for fixing a handcart in a tray of the handcart pulling-down transfer device.
As an implementation mode, handcart fixed slot 13 is fixed U recess, and the handcart can be fixed to the fixed U recess of both sides, and after the cubical switchboard dolly was placed in lift tray 4, it can carry on spacingly to the dolly to utilize limit structure on the handcart to place in fixed U recess, can effectively guarantee the stability of placing of dolly in the accommodation space with the locating part cooperation of side setting.
The device of the embodiment comprises a trolley auxiliary moving mechanism and a trolley auxiliary lifting mechanism, when the device is lifted to the same height with a trolley track, the handcart is horizontally moved to the device, and after the device is moved to a certain position, the bottom of the device is lowered to the ground, the handcart can be horizontally moved to the ground. The auxiliary lifting mechanism of the trolley consists of a vertical hydraulic jack, a pedal, a lifting slide rail 2, a lifting tray 4 and a locking connecting rod hook 3, wherein the pedal is stepped by the foot to drive the vertical hydraulic jacking to be high, when the lifting tray 4 in the lifting slide rail 2 is lifted to the same height as a trolley track in a switch cabinet, the lifting tray 4 is firmly connected with the switch cabinet by the locking connecting rod hook 3, the lifting tray 4 is prevented from being displaced when the switch trolley is pulled out, and then the switch of the trolley is pulled out.
The auxiliary trolley moving mechanism consists of universal wheels 9, directional wheels and a hand-push handrail 1, the hand-push handrail 1 pushes the universal wheels 9 and the directional wheels to move the handcart switch horizontally to the maintenance position, and the handcart switch can be moved to the ground after the lifting tray 4 is lowered to the ground.
Example two:
an operating method of the high-voltage switch cabinet handcart transferring device in embodiment 1 includes:
the switch cabinet trolley is transferred into a lifting tray 4 of a lifting mechanism under the guiding and positioning of a positioning slide rail, and is limited by a limiting piece;
transferring the base 10 to a set area by a moving mechanism;
the drive unit of the lifting mechanism is utilized to drive the lifting tray 4 to lift or descend along the lifting slide rail 2 for a set height, and the switch cabinet trolley is transferred to a station under the guiding and positioning of the positioning slide rail.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. The utility model provides a high tension switchgear handcart transfer device which characterized in that includes: the lifting mechanism is arranged on the upper surface of the base;
the lifting mechanism comprises a lifting tray, a lifting slide rail and a driving unit, the lifting tray is connected with the lifting slide rail in a sliding manner, and the lifting slide rail is arranged on the base; the lifting tray is also connected with a driving unit, and the driving unit is used for driving the lifting tray to move along the lifting slide rail; the lifting tray is internally provided with an accommodating space which is used for accommodating a switch cabinet handcart.
2. The high voltage switch cabinet handcart transfer device of claim 1, wherein the lifting tray is further provided with a positioning guide rail therein, and the positioning guide rail is used for guiding and positioning the lifting tray for the handcart to enter and exit the switch cabinet.
3. The handcart transfer device for the high-voltage switch cabinet according to claim 1, wherein the base comprises a U-shaped plate, a first 7-shaped plate and a second 7-shaped plate, the first 7-shaped plate is mounted on the upper surface of the lower left corner of the U-shaped plate, the second 7-shaped plate is mounted on the upper surface of the lower right corner of the U-shaped plate, and the side surface of the base is Z-shaped.
4. The high-voltage switch cabinet handcart transfer device of claim 3, wherein the lower surfaces of the top structures of the first 7-shaped plate and the second 7-shaped plate are both provided with a moving mechanism.
5. The high voltage switch cabinet handcart transfer device of claim 1, wherein the moving mechanism comprises a mounting plate and universal wheels, and the universal wheels are mounted to the bottom surface of the base through the mounting plate.
6. The high-voltage switch cabinet handcart transfer device of claim 1, wherein the lifting slide rail is a vertical slide rail, a slide block is mounted on the vertical slide rail, and the slide block is connected with the lifting tray.
7. The high-voltage switch cabinet handcart transfer device of claim 1, wherein a limiting piece is further installed on one side surface of the lifting tray and used for limiting a switch cabinet trolley in the accommodating space.
8. The high-voltage switch cabinet handcart transfer device of claim 1, wherein the driving unit comprises a hydraulic jack and a lifting plate, the lifting plate is installed on the rear side surface of the lifting tray, and the hydraulic jack is used for pushing the lifting plate to move up and down so as to drive the lifting tray to move up and down along the lifting slide rail.
9. The high-voltage switch cabinet handcart transfer device of claim 1, wherein the lifting tray is of a shovel-shaped structure, and one side surface of the top of the lifting tray is of an open structure; the side of the lifting tray is in a right trapezoid shape, a handcart fixing clamping groove is arranged in the middle of the top face of the right trapezoid shape, and the handcart fixing clamping groove is used for limiting a switch cabinet handcart.
10. A method of operating a high voltage switchgear hand truck transfer apparatus as claimed in any of claims 1 to 9, comprising:
the switch cabinet trolley is transferred into a lifting tray of a lifting mechanism under the guiding and positioning of a positioning slide rail, and is limited by a limiting piece;
transferring the base to a set area through a moving mechanism;
the driving unit of the lifting mechanism is utilized to drive the lifting tray to be lifted or lowered along the lifting slide rail for setting the height, and the switch cabinet trolley is transferred to a station under the guiding and positioning of the positioning slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210334071.XA CN115117775A (en) | 2022-03-31 | 2022-03-31 | High-voltage switch cabinet handcart transferring device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210334071.XA CN115117775A (en) | 2022-03-31 | 2022-03-31 | High-voltage switch cabinet handcart transferring device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115117775A true CN115117775A (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210334071.XA Pending CN115117775A (en) | 2022-03-31 | 2022-03-31 | High-voltage switch cabinet handcart transferring device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115117775A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115441341A (en) * | 2022-11-08 | 2022-12-06 | 山东信息职业技术学院 | Handcart overhauls operating means |
| CN115663667A (en) * | 2022-11-01 | 2023-01-31 | 国网安徽省电力有限公司阜阳供电公司 | Anti-toppling device for 35kV switch handcart and using method |
-
2022
- 2022-03-31 CN CN202210334071.XA patent/CN115117775A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115663667A (en) * | 2022-11-01 | 2023-01-31 | 国网安徽省电力有限公司阜阳供电公司 | Anti-toppling device for 35kV switch handcart and using method |
| CN115441341A (en) * | 2022-11-08 | 2022-12-06 | 山东信息职业技术学院 | Handcart overhauls operating means |
| CN115441341B (en) * | 2022-11-08 | 2023-01-24 | 山东信息职业技术学院 | Handcart overhauls operating means |
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