CN102163815A - Subway direct current (DC) switch cabinet safety protection and isolation device - Google Patents
Subway direct current (DC) switch cabinet safety protection and isolation device Download PDFInfo
- Publication number
- CN102163815A CN102163815A CN201110037788XA CN201110037788A CN102163815A CN 102163815 A CN102163815 A CN 102163815A CN 201110037788X A CN201110037788X A CN 201110037788XA CN 201110037788 A CN201110037788 A CN 201110037788A CN 102163815 A CN102163815 A CN 102163815A
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- China
- Prior art keywords
- insulating barrier
- movable insulating
- switch cabinet
- lifting push
- push arm
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Abstract
The invention relates to a subway direct current (DC) switch cabinet safety protection and isolation device, which comprises a movable insulating clapboard, a fixed insulating clapboard and a lifting push arm, and is characterized in that: the fixed insulating clapboard is connected with a side wall of a switch cabinet; the movable insulating clapboard is vertically arranged on the fixed insulating clapboard in a sliding mode; two contact through holes are formed on the fixed insulating clapboard; a contact through hole is formed on the movable insulating clapboard; the movable insulating clapboard and the fixed insulating clapboard are made of polycarbonate (PC) boards; one end of the lifting push arm is hinged with the movable insulating clapboard and the other end of the lifting push arm is hinged on the side wall of the switch cabinet; and a wedged supporting surface is arranged at a hinged end of the lifting push arm and the side wall of the switch cabinet. The safety protection and isolation device can effectively insulate and isolate two parts of the switch cabinet, namely high-voltage buses and low-voltage control, and improves the safety of the switch cabinet; and the movable insulating clapboard of the mechanism cooperatively acts with a circuit breaker handcart of the switch cabinet through the lifting push arm, and the device is high in acting synchronism and simple in structure.
Description
Technical field
The invention belongs to electric equipment control technology field, particularly relate to a kind of security protection spacer assembly of direct-current switch cabinet.
Background technology
At present, the structure of subway direct-current switch cabinet comprises high voltage bus and low voltage control two parts.The handcart of switch cubicle pushes and circuit breaker when being in the service position, and high voltage bus is connected with low voltage control; When switch cubicle operation and when safeguarding, for the security consideration of operator and electric equipment two aspects, high voltage bus and low voltage control two parts partition that must insulate.The security protection spacer assembly of switch cubicle then is to high voltage bus and low voltage control two parts connect and the device of the partition that insulate, the security protection spacer assembly is installed on the switch cubicle, the partition-type structures that the security protection spacer assembly of existing direct-current switch cabinet or high-tension switch cabinet is naked or not exclusively insulate, and have complex structure, action poor synchronization and the flimsy shortcoming of mechanism's operating process.
Summary of the invention
The present invention for solve the technical problem that exists in the known technology provide a kind of simple in structure, the action synchronism is good, long service life and the subway direct-current switch cabinet security protection spacer assembly that can effectively insulate to high voltage bus and low voltage control two parts of switch cubicle.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is: a kind of subway direct-current switch cabinet security protection spacer assembly, comprise movable insulating barrier, fixed insulation dividing plate and lifting push arm, it is characterized in that: described fixed insulation dividing plate is connected with the sidewall of switch cubicle, described movable insulating barrier vertically is slidingly mounted on the fixed insulation dividing plate, described fixed insulation dividing plate is provided with two contacts and passes through the hole, described movable insulating barrier is provided with a contact and passes through the hole, described movable insulating barrier and fixed insulation dividing plate are made by the PC plate, one end and the movable insulating barrier of described lifting push arm are hinged, the other end of lifting push arm is hinged on the sidewall of switch cubicle, and the side walls hinged end of lifting push arm and switch cubicle is provided with the wedge shape supporting surface.
The present invention can also adopt following technical scheme:
On the described movable insulating barrier handle is installed.
Described lifting push arm and movable insulating barrier by be installed on the movable insulating barrier fixedly connected piece hinged.
The quantity of the lifting push arm that described and movable insulating barrier is hinged is two, and two lifting push arms are symmetricly set on the both sides of movable insulating barrier, and the quantity of described handle is two, and two handles are symmetricly set on the both sides of movable insulating barrier.
Described fixed insulation dividing plate is provided with vertical chute, and movable insulating barrier is installed on the fixed insulation dividing plate by connecting pin and chute.
Advantage and good effect that the present invention has are: because as above technical scheme of this novel employing, be that movable insulating barrier and fixed insulation dividing plate are made by the PC plate, mechanism's partition that the high voltage bus of switch cubicle and low voltage control two parts effectively can be insulated has increased the fail safe of switch cubicle; The movable insulating barrier of this mechanism is by the circuit breaker cart co-operating of lifting push arm and switch cubicle, and the synchronism of action is good, and simple in structure.
On movable insulating barrier handle is installed, effect is the installation and the debugging of convenient and safe protection spacer assembly.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of movable insulating barrier among the present invention;
Fig. 3 is the structural representation of fixed insulation dividing plate among the present invention;
Fig. 4 is the user mode figure of activity insulation board of the present invention when closing;
Fig. 5 is the user mode figure of activity insulation board of the present invention when opening.
Among the figure: 1, movable insulating barrier; 1-1, guiding installing hole; 2, fixed insulation dividing plate; 2-1, vertical slideway; 3, lifting push arm; 3-1, wedge shape supporting surface; 4, contact passes through the hole; 5, installing hole; 6, fixedly connected; 7, carrying roller; 8, handle; 9, movable supporting plate; 10, circuit breaker; 11, connection bus contact; 12, main bus bar contact.
Embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1 Fig. 2 and Fig. 3, a kind of subway direct-current switch cabinet security protection spacer assembly comprises movable insulating barrier 1, fixed insulation dividing plate 2 and lifting push arm 3.Movable insulating barrier 1 and fixed insulation dividing plate 2 are made by the PC plate, fixed insulation dividing plate 2 is provided with two contacts by hole 4 and installing hole 5, two contacts vertically are distributed on the fixed insulation dividing plate 2 by hole 4, and the both sides of fixed insulation dividing plate 2 are connected with two sidewalls of switch cubicle by installing hole 5.Movable insulating barrier 1 is provided with a contact by hole 4 and a plurality of installing hole 5.Above-mentioned movable insulating barrier 1 vertically is slidingly mounted on the fixed insulation dividing plate 2, in the present embodiment, fixed insulation dividing plate 2 is provided with vertical slideway 2-1, vertical slideway 2-1 is 4, vertical slideway 2-1 is symmetrically distributed on the both sides of fixed insulation dividing plate 2 in twos, movable insulating barrier 1 is provided with guiding installing hole 1-1, guiding installing hole 1-1 on the movable insulating barrier 1 is connected by connecting pin with the vertical slideway 2-1 on the fixed insulation dividing plate 2, realizes that with this movable insulating barrier 1 vertically is slidingly mounted on the fixed insulation dividing plate 2.
Be connected and fixed connection piece 6 by installing hole 5 on the movable insulating barrier 1, movable insulating barrier 1 is hinged by fixedly connected 6 end with lifting push arm 3, the other end of lifting push arm 3 is side walls hinged by hinge and switch cubicle, lifting push arm 3 is provided with wedge shape supporting surface 3-1 with the side walls hinged end of switch cubicle, and wedge shape supporting surface 3-1 cooperates with the carrying roller 7 of switch cabinet handcart to contact.Above-mentioned lifting push arm 3 is two, and two lifting push arm 3 symmetries are installed in the both sides of movable insulating barrier 1.
Connect handle 8 on the installing hole 5 of movable insulating barrier 1, effect is the installation and the debugging of convenient and safe protection spacer assembly, and the quantity of handle 8 is two, and two handles 8 are symmetricly set on the both sides of movable insulating barrier 1.
Operation principle
See also Fig. 4 and Fig. 5, breaker assembly is installed on the movable supporting plate 9 of switch cabinet handcart, and breaker assembly comprises circuit breaker 10, connection bus contact 11 and main bus bar contact 12, and connection bus contact 11 is connected with circuit breaker 10 with main bus bar contact 12.When circuit breaker 10 moves to working position, be positioned at the wedge shape supporting surface 3-1 of the carrying roller 7 roof pressure lifting push arms 3 on the both sides of the movable supporting plate 9 of handcart, thereby the hinge that makes lifting push arm 3 be connected with the switch cubicle sidewall with lifting push arm 3 is the center to rotate, lifting push arm 3 can vertically slide on fixed insulation dividing plate 2 by promotion activity insulating barrier 1, finally make the contact on the movable insulating barrier 1 overlap by hole 4 with the contact on fixed insulation dividing plate 2 tops by hole 4, the contact of fixed insulation dividing plate 2 bottoms exposes movable insulating barrier 1 by hole 4, the main bus bar contact 12 of breaker assembly partly is connected with high voltage bus by hole 4 by the contact on this mechanism top at this moment, and the connection bus contact 11 of breaker assembly partly is connected with high voltage bus by hole 4 by the contact of this mechanism bottom.When switch cubicle test or maintenance, circuit breaker 10 position of deactivating, carrying roller 7 on the both sides of the movable supporting plate 9 of handcart is return, movable insulating barrier 1 is subjected to gravity fall, the hinge that lifting push arm 3 is connected with the switch cubicle sidewall with lifting push arm 3 is a center steering, the contact of movable insulating barrier 1 staggers by hole 4 by the contact of hole 4 with fixed insulation dividing plate 2 tops, and movable insulating barrier 1 door is lived the contact of fixed insulation dividing plate 2 bottoms by hole 4, this moment, the contact of this mechanism passed through hole 4 complete closed, with high voltage bus and low voltage control two parts partition that effectively insulate, guarantee safety operation.
Claims (5)
1. subway direct-current switch cabinet security protection spacer assembly, comprise movable insulating barrier, fixed insulation dividing plate and lifting push arm, it is characterized in that: described fixed insulation dividing plate is connected with the sidewall of switch cubicle, described movable insulating barrier vertically is slidingly mounted on the fixed insulation dividing plate, described fixed insulation dividing plate is provided with two contacts and passes through the hole, described movable insulating barrier is provided with a contact and passes through the hole, described movable insulating barrier and fixed insulation dividing plate are made by the PC plate, one end of described lifting push arm is connected with movable insulating barrier hinge, the other end of lifting push arm is hinged on the sidewall of switch cubicle, and the side walls hinged end of lifting push arm and switch cubicle is provided with the wedge shape supporting surface.
2. subway direct-current switch cabinet security protection spacer assembly according to claim 1 is characterized in that: on the described movable insulating barrier handle is installed.
3. subway direct-current switch cabinet security protection spacer assembly according to claim 1 is characterized in that: described lifting push arm is connected by the fixedly connected hinge that is installed on the movable insulating barrier with movable insulating barrier.
4. according to claim 1,2 or 3 described subway direct-current switch cabinet security protection spacer assemblys, it is characterized in that: the quantity of the lifting push arm that described and movable insulating barrier is connected is two, two lifting push arms are symmetricly set on the both sides of movable insulating barrier, the quantity of described handle is two, and two handles are symmetricly set on the both sides of movable insulating barrier.
5. subway direct-current switch cabinet security protection spacer assembly according to claim 1, it is characterized in that: described fixed insulation dividing plate is provided with vertical chute, and movable insulating barrier is installed on the fixed insulation dividing plate by connecting pin and chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110037788XA CN102163815A (en) | 2011-02-14 | 2011-02-14 | Subway direct current (DC) switch cabinet safety protection and isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110037788XA CN102163815A (en) | 2011-02-14 | 2011-02-14 | Subway direct current (DC) switch cabinet safety protection and isolation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102163815A true CN102163815A (en) | 2011-08-24 |
Family
ID=44464869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110037788XA Pending CN102163815A (en) | 2011-02-14 | 2011-02-14 | Subway direct current (DC) switch cabinet safety protection and isolation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102163815A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684748A (en) * | 2015-11-09 | 2017-05-17 | 浙江正泰电器股份有限公司 | Safe partition plate of circuit breaker |
| CN115042112A (en) * | 2022-05-25 | 2022-09-13 | 天津保富电气有限公司 | Special assembly tool for heavier copper bar structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5937807U (en) * | 1982-08-30 | 1984-03-09 | 株式会社明電舎 | switchboard |
| US20080094782A1 (en) * | 2006-10-19 | 2008-04-24 | Rockwell Automation Technologies, Inc. | Draw-out power cell disconnect and isolation mechanism with rack-out guide tray |
| CN201266801Y (en) * | 2008-10-15 | 2009-07-01 | 镇江大全伊顿电器有限公司 | Valve mechanism for switch cabinet |
| CN101794970A (en) * | 2010-03-12 | 2010-08-04 | 镇江大全赛雪龙牵引电气有限公司 | Valve mechanism of main contact system of direct-current switch cabinet |
| CN201956616U (en) * | 2011-02-14 | 2011-08-31 | 天津保富电气有限公司 | Automatic protection mechanism of direct current switch cabinet |
-
2011
- 2011-02-14 CN CN201110037788XA patent/CN102163815A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5937807U (en) * | 1982-08-30 | 1984-03-09 | 株式会社明電舎 | switchboard |
| US20080094782A1 (en) * | 2006-10-19 | 2008-04-24 | Rockwell Automation Technologies, Inc. | Draw-out power cell disconnect and isolation mechanism with rack-out guide tray |
| CN201266801Y (en) * | 2008-10-15 | 2009-07-01 | 镇江大全伊顿电器有限公司 | Valve mechanism for switch cabinet |
| CN101794970A (en) * | 2010-03-12 | 2010-08-04 | 镇江大全赛雪龙牵引电气有限公司 | Valve mechanism of main contact system of direct-current switch cabinet |
| CN201956616U (en) * | 2011-02-14 | 2011-08-31 | 天津保富电气有限公司 | Automatic protection mechanism of direct current switch cabinet |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684748A (en) * | 2015-11-09 | 2017-05-17 | 浙江正泰电器股份有限公司 | Safe partition plate of circuit breaker |
| CN106684748B (en) * | 2015-11-09 | 2019-05-28 | 浙江正泰电器股份有限公司 | The burst disk of breaker |
| CN115042112A (en) * | 2022-05-25 | 2022-09-13 | 天津保富电气有限公司 | Special assembly tool for heavier copper bar structure |
| CN115042112B (en) * | 2022-05-25 | 2023-12-29 | 天津保富电气有限公司 | Special frock of assembly of heavier copper bar structure |
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Application publication date: 20110824 |