CN2629297Y - Withdrawing indoor metal closed switch equipment - Google Patents
Withdrawing indoor metal closed switch equipment Download PDFInfo
- Publication number
- CN2629297Y CN2629297Y CN 03230510 CN03230510U CN2629297Y CN 2629297 Y CN2629297 Y CN 2629297Y CN 03230510 CN03230510 CN 03230510 CN 03230510 U CN03230510 U CN 03230510U CN 2629297 Y CN2629297 Y CN 2629297Y
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- cabinet
- contact
- handcart
- ground connection
- cabinet body
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Abstract
The utility model relates to moving indoor metal closed switch equipment which comprises a cabinet body, a cabinet door and a back closing plate which are interconnected, wherein the cabinet body and a barrow frame are connected into integration through bolted joint by a pull riveting screw and by that a steel plate is laid with a decorative surface is shaped and processed; a relay room A, a barrow room B, a bus room C and a cable room D which are independent and separated are arranged in the cabinet body. The utility model is mainly characterized in that the cabinet body adopts a modularization piecing form, and thus, cabinet body has the advantages of simple integrated structure, beautiful appearance and high rigidity; the barrow is connected with a cabinet body earth system by using roller rolling contact, which reduces marching resistance and causes the barrow to be easy to march and convenient to operate; a secondary static contact is connected with a secondary moving contact by using a sliding contact way, and an interlocking device is omitted. Thus, the utility model simplifies structure, reduces sections and has the advantages of high safety and reliability.
Description
Technical field
The utility model relates to a kind of power distribution equipment, the indoor metal enclosed switchgear of withdraw-type of accepting and distributing electric energy to use in the especially a kind of 35kV of being applicable to electrical network.
Background technology
The electric power complete set of equipments of 35kV grade is common on the existing market two kinds of forms, a kind of is fixed switchgear, the product of this switchgear occupation rate maximum on market has: XGN-40.5 series, another kind is the withdraw-type switchgear, mainly contains GBC-35 series, JYN-35 series and KYN-35 series on market.The defective of above-mentioned switchgear has: 1. the cabinet skeleton adopts Type of Welding, because welding stress easily makes the cabinet distortion, and the irregular solder joint that distributes, influence cabinet presentation quality and rigidity; 2. handcart adopts sliding friction to contact with the ground connection of cabinet, and frictional resistance is big, has increased the resistance that handcart is advanced in cabinet, makes operation inconvenience; 3. handcart is connected employing plug formula secondary plug with cabinet secondary (low pressure) system, and promptly moving contact is a jack, and fixed contact is the contact pin form, needs the configuration interlock, makes complex structure and unreliable, influences safety in utilization.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defective of prior art and a kind of simple in structure, good looking appearance, good rigidly, handcart advance light, convenient operating maintenance, the safe and reliable indoor metal enclosed switchgear of withdraw-type is provided.
Technical problem of the present utility model realizes by following technical proposal: the indoor metal enclosed switchgear of withdraw-type, it comprises interconnected cabinet, cabinet door and back shrouding, the middle and upper part is provided with the secondary fixed contact behind the described cabinet body door, the bottom frame is provided with the earthed switch handle hole, ground connection copper bar I crosses in the bottom along the cabinet cross direction, be the ground connection guide rail at the bottom of the cabinet, be fixed with ground connection copper bar II on it, it and ground connection copper bar I form grounding system; Be provided with four independently compartments in the cabinet, the relay bungalow A that relay, secondary electric equipment are installed is arranged, which is provided with the little bus (secondary cable) that cabinet links to each other with cabinet; The handcart chamber B of console mode handcart is installed, on its cart frame, is provided with breaker body, upper and lower each 3 moving contact, respectively by last utmost point cover, utmost point cover sealing down, frame roof is provided with the secondary moving contact, and the handcart middle part is provided with propulsive mechanism, and the bottom is provided with earthing device and mobile wheel; Bus-bar room C is provided with main bus bar, the branch bar of wall bushing protection, by shrouding sealing behind the cabinet; Be provided with outlet cable and earthed switch in the D of cable vault, by shrouding sealing behind the cabinet, the current transformer of contact box, contact boxlike is installed between handcart chamber B and bus-bar room C, the D of cable vault, it is characterized in that:
A, described cabinet and cart frame are to form through processing and forming and by staking screw bolt by being laid with the facing steel plate;
B, described handcart are connected employing roller rolling contact with the grounding system of cabinet;
The sliding contact formula that the is connected to structure of c, described secondary fixed contact and secondary moving contact.
Described secondary fixed contact comprise with cabinet body door after the fixing metab in middle and upper part, be located at the static contact on the metab, fill by the insulation supporter and form the electric conductor that forward and backward two rows expose.
Described secondary moving contact comprises and the fixing metab in cart frame top, which is provided with the insulation supporter, the insulation supporter be provided with an end by terminal screw fix, the other end is by the movable contact spring of spring push, the static contact of this movable contact spring and secondary fixed contact formation sliding contact formula structure.
The propulsive mechanism at described handcart middle part is arranged on the left and right side plate of cart frame, comprise the worm screw that crank way is handled rotation that passes through that is bearing on the fixed support, worm gear with worm engaging, worm-wheel shaft is provided with the connecting lever that is in transmission connection, the connecting lever head connects the bearing of an activity, slippage between two fixed guides of this bearing on the fixing tank bracket realizes that handcart promotes to advance.
The earthing device of described handcart bottom comprises and is located at roller on the ground connection copper bar II of ground connection guide rail top, that realization contacts with the grounding system rolling, and coupled copper pin and copper stent, is sleeved on the compression spring on the copper stent.
Compared with prior art, cabinet of the present utility model, cart frame have adopted the modularization assembly form that is laid with facing steel plate composite construction, use staking screw bolt at last, make overall structure simple, attractive in appearance, good rigidly; Handcart is connected employing roller rolling contact with the cabinet grounding system, reduce running resistance, and it is light that handcart is advanced, and is convenient to attended operation; The secondary fixed contact adopts the sliding contact formula with being connected of secondary moving contact, has save the configuration interlock, makes designs simplification, reduces the link, and is safe and reliable.
Description of drawings
Fig. 1 is the utility model cabinet Facad structure schematic diagram.
Fig. 2 is the utility model cabinet internal structure end view (side plate of dismantling).
Fig. 3 is the utility model handcart Facad structure schematic diagram.
Fig. 4 is the utility model handcart internal structure end view.
Fig. 5 is a secondary fixed contact contour structures vertical view.
Fig. 6 is a secondary moving contact contour structures end view.
Fig. 7 is the handcart advancing mechanism structural representation.
Fig. 8 is a handcart earthing device structural representation.
Embodiment
According to above-mentioned given accompanying drawing embodiment the utility model is described in detail again.
Referring to Fig. 1-2, present embodiment comprises interconnected cabinet 5, cabinet door and back shrouding.Described cabinet body frame adopts the steel plate that is laid with aluminium zinc behind punching, bending forming, becomes whole with special staking screw bolt again, and forward and backward frame adopts the design of two-fold limit, profile exquisiteness, attractive in appearance, and intensity is reliable.The middle and upper part is provided with secondary fixed contact 18 behind the cabinet body door, secondary fixed contact (referring to Fig. 5) comprise with cabinet body door after the fixing metab 50 in middle and upper part, be located at the silver-plated static contact 51 of flat copper on the metab, form by 52 fillings of insulation supporter, two arrange exposed electric conductor down, static contact 51 can be provided with varying number as required, among the figure be 24, can reach 36 at most, static contact according to handcart in work and test the principle that two positions should be connected with movable contact spring, on it, two row's spacings should equate with the work and the test two positions distance of handcart down, when movable contact spring slips into intermediate insulation supporter 52 positions, moving, not conducting of static contact, moving when the conduction position of two ends, fixed contact is answered conducting.The cabinet top is a lintel head 2, indicates house mark and switch cubicle title above, and the lintel head is provided with dust cover 3, digs this cover plate, can carry out that little bus (or secondary cable) 17 is installed, debugging, and little bus can be realized being connected of cabinet and cabinet, and can introduce relay bungalow.By increasing and decreasing the back cabinet, realize cable or overhead outlet mode.The bottom frame is provided with earthed switch handle hole 11, and ground connection copper bar I12 crosses in bottom, handcart chamber along the cabinet cross direction.(referring to Fig. 8) is ground connection guide rail 67 at the bottom of the cabinet, is fixed with ground connection copper bar II66 on it, and ground connection copper bar I12 and ground connection copper bar II66 form the grounding system of T-shape.
Described cabinet door has to the doorstep 4 and Xiamen 9, and upper and lower door is the cold-rolled steel sheet bending, japanning forms.Be bivalve door to the doorstep, Men Shangke installs relay, electric current, voltmeter and other secondary electrical equipment.Open to the doorstep, in double-acting door is arranged, secondary electrical equipment such as relay also can be installed on the double-acting door.Observation window 6, ventilating window 10, circuit simulation label 7, door handle 8 are arranged on the Xiamen, the earthed switch handle hole 11 in the cabinet frame lower right corner, when not charged, operating grip can put in this hole, carries out earthed switch branch, closing operation by rotating drive shaft in the cable vault.
Be provided with the separate chambers that four dividing plates are isolated in the cabinet 5, the relay bungalow A that relay, secondary electric equipment are installed is arranged, be located at the cabinet front upper part, little bus (or secondary cable groove) 17 just is located at top, A chamber.
In the cabinet, preceding bottom is handcart chamber B, can place the circuit breaker of two types of (SF6, vacuum) four kinds of specification patterns according to customer requirements, handcart of the same type is interchangeable.Indoor have a metal dampers 16,20, can place console mode handcart 19, and cart frame 40 is the same with cabinet, adopts the composite plate that is laid with aluminium zinc facing steel plate behind punching, bending forming, formed by special staking screw bolt again.Its top is provided with secondary moving contact 39, and the input of branch, power switch and handcart operation signal, output can contact realization with cabinet secondary fixed contact by this contact.Secondary moving contact 39 (referring to Fig. 6) comprises and the fixing metab 56 in cart frame 40 tops, which is provided with insulation supporter 53, the insulation supporter is provided with that an end is fixing by terminal screw 55, the other end is by the movable contact spring 54 of spring push, movable contact spring can be provided with varying number as required, maximum 36, corresponding one by one with the static contact position.When handcart advanced, this movable contact spring contacted pressurized with the static contact of secondary fixed contact and forms sliding contact formula structure under the spring force effect.When slipping into work, test two conduction positions, then keep conducting, on the contrary obstructed.The top panel 28 in handcart front (referring to Fig. 3) has observation window 31, drawing handle 32, making product nameplate 33, illuminating lamp button 29, illuminating lamp shade cover plate 30, turns on this cover plate interchangeable illumination lamp.Lower panel 36 has positioning action handle 35, rotates this handle and handcart can be positioned work in the cabinet, test position or remove the location, and crank way 34 can insert rocking bar, can shake the propulsive mechanism that is located at the handcart middle part.The bottom is provided with earthing device 47 and mobile wheel 48.Handcart of the present utility model chamber design (referring to Fig. 4) can be joined the nearly dissimilar circuit breaker of four kinds of specifications.Cart frame is provided with breaker body 41, handcart 19 has work, test/two positions of isolation in cabinet, when the service position, handcart is connected by the fixed contact of contact box in the moving contact 37,49 of last utmost point cover 38, down utmost point cover 42 sealings and the cabinet or contact boxlike current transformer 24,25 respectively by upper and lower each 3, and the circuit breaker on the realization handcart is connected with main bus bar 13 and cable vault's outlet cable 23; Handcart breaks away from fixed contact in moving contact 37,49 and the cabinet when test position, but the secondary moving contact 39 at cart frame top still connects with cabinet secondary static contact 51, and circuit breaker cart can be closed at the cabinet door and be carried out branch, closing operation under the situation.
The cabinet back upper place is bus-bar room C (referring to Fig. 2), is provided with main bus bar 13, branch bar 26 by wall bushing 1 protection, and main bus bar passes sleeve pipe and can connect with adjacent cabinet main bus bar.By 27 sealings of shrouding behind the cabinet.
The cabinet back lower place is the D of cable vault (referring to Fig. 2), in be provided with outlet cable 23 and earthed switch 21, by 22 sealings of shrouding behind the cabinet, the current transformer 24,25 of contact box, contact boxlike is installed between handcart chamber B and bus-bar room C, the D of cable vault, the D of cable vault has the release of pressure passage to lead to the cabinet top, be provided with release of pressure cover plate 15 at the D of cable vault, bus-bar room C and B top, handcart chamber, this three indoor release of pressure cover plate that breaks down when producing pressure can be opened pressure release automatically, and the cabinet top also is provided with lifting with lifting bolt 14.
The propulsive mechanism (referring to Fig. 7) at described handcart 19 middle parts is arranged on the left and right side plate 61 of cart frame 40, comprise the worm screw 45 that crank way 34 is handled rotation that passes through that is bearing on the fixed support 46, worm gear 44 with worm engaging, worm-wheel shaft 57 is provided with 2 connecting levers 43 that connect by spring pivot, the connecting lever head connects live bearing, slippage between two fixed guides 58,59 of this bearing on the fixing tank bracket 60.Shake worm screw, drive worm gear and coupled worm-wheel shaft, connecting lever, it is along the circumferential direction rotated between the fixed guide rail of tank bracket, the reaction force that is produced by guide rail when connecting lever rotates counterclockwise draws in handcart in the cabinet, otherwise then releases outside the cabinet.
The earthing device 47 (referring to Fig. 8) of described handcart bottom comprises and being located on the ground connection guide rail 67 top ground connection copper bar II66, the roller 64 that realization contacts with the grounding system rolling, and coupled copper pin 65 and copper stent 62, be sleeved on the compression spring 63 on the copper stent.When handcart advances in the cabinet outward by cabinet, two rollers on the earthing device contact with the ground connection copper bar II66 on the cabinet ground connection guide rail, drive coupled copper pin and copper stent upwards, the compression spring is given reaction force of copper stent, and the copper roller is tightly contacted with ground connection copper bar II.
Claims (7)
1, the indoor metal enclosed switchgear of a kind of withdraw-type, it comprises interconnected cabinet (5), cabinet door and back shrouding, the middle and upper part is provided with secondary fixed contact (18) behind the described cabinet body door, the bottom frame is provided with earthed switch handle hole (11), ground connection copper bar I (12) crosses in the bottom along the cabinet cross direction, be ground connection guide rail (67) at the bottom of the cabinet, be fixed with ground connection copper bar II (66) on it, it and ground connection copper bar I form grounding system; Be provided with four independently compartments in the cabinet, the relay bungalow A that relay, secondary electric equipment are installed is arranged, which is provided with the little bus (secondary cable) (17) that cabinet links to each other with cabinet; The handcart chamber B of console mode handcart (19) is installed, on its cart frame (40), be provided with breaker body (41), upper and lower each 3 moving contact (37), (49), respectively by last utmost point cover (38), utmost point cover (42) sealing down, frame roof is provided with secondary moving contact (39), the handcart middle part is provided with propulsive mechanism, and the bottom is provided with earthing device (47) and mobile wheel (48); Bus-bar room C is provided with main bus bar (13), the branch bar (26) of wall bushing (1) protection, is sealed by shrouding behind the cabinet (27); Be provided with outlet cable (23) and earthed switch (21) in the D of cable vault, by shrouding behind the cabinet (22) sealing, the current transformer (24) of contact box, contact boxlike, (25) are installed between handcart chamber B and bus-bar room C, the D of cable vault, it is characterized in that:
A, described cabinet (5) and cart frame (40) are to form through processing and forming and by staking screw bolt by being laid with the facing steel plate;
B, described handcart (19) are connected employing roller (64) rolling contact with the grounding system of cabinet (5);
The sliding contact formula that the is connected to structure of c, described secondary fixed contact (18) and secondary moving contact (39).
2, the indoor metal enclosed switchgear of withdraw-type according to claim 1, it is characterized in that described secondary fixed contact (18) comprise with cabinet body door after the fixing metab (50) in middle and upper part, be located at the static contact (51) on the metab, fill by insulation supporter (52) and form the exposed electric conductor of forward and backward two rows.
3, the indoor metal enclosed switchgear of withdraw-type according to claim 1 and 2, it is characterized in that described secondary moving contact (39) comprises and the fixing metab (56) in cart frame (40) top, which is provided with insulation supporter (53), the insulation supporter is provided with that an end is fixing by terminal screw (55), the other end is by the movable contact spring (54) of spring push, the static contact formation sliding contact formula structure of this movable contact spring and secondary fixed contact.
4, the indoor metal enclosed switchgear of withdraw-type according to claim 1 and 2, it is characterized in that the propulsive mechanism at described handcart (19) middle part is arranged on the left side of cart frame (40), on the right plate (61), comprise the worm screw (45) that crank way (34) is handled rotation that passes through that is bearing on the fixed support (46), worm gear (44) with worm engaging, worm-wheel shaft (57) is provided with the connecting lever (43) that is in transmission connection, the connecting lever head connects the bearing of an activity, two fixed guides (58) of this bearing on the fixing tank bracket (60), (59) slippage between realizes that handcart promotes to advance.
5, the indoor metal enclosed switchgear of withdraw-type according to claim 3, it is characterized in that the propulsive mechanism at described handcart (19) middle part is arranged on the left side of cart frame (40), on the right plate (61), comprise the worm screw (45) that crank way (34) is handled rotation that passes through that is bearing on the fixed support (46), worm gear (44) with worm engaging, worm-wheel shaft (57) is provided with the connecting lever (43) that is in transmission connection, the connecting lever head connects the bearing of an activity, two fixed guides (58) of this bearing on the fixing tank bracket (60), (59) slippage between realizes that handcart promotes to advance.
6, the indoor metal enclosed switchgear of withdraw-type according to claim 1 and 2, the earthing device (47) that it is characterized in that described handcart (19) bottom comprises and is located at roller (64) on ground connection guide rail (67) the top ground connection copper bar II (66), that realization contacts with the grounding system rolling, and coupled copper pin (65) and copper stent (62), be sleeved on the compression spring (63) on the copper stent.
7, the indoor metal enclosed switchgear of withdraw-type according to claim 3, the earthing device (47) that it is characterized in that described handcart (19) bottom comprises and is located at roller (64) on ground connection guide rail (67) the top ground connection copper bar II (66), that realization contacts with the grounding system rolling, and coupled copper pin (65) and copper stent (62), be sleeved on the compression spring (63) on the copper stent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03230510 CN2629297Y (en) | 2003-04-21 | 2003-04-21 | Withdrawing indoor metal closed switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03230510 CN2629297Y (en) | 2003-04-21 | 2003-04-21 | Withdrawing indoor metal closed switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2629297Y true CN2629297Y (en) | 2004-07-28 |
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ID=34247651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03230510 Expired - Fee Related CN2629297Y (en) | 2003-04-21 | 2003-04-21 | Withdrawing indoor metal closed switch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2629297Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008080288A1 (en) * | 2006-12-30 | 2008-07-10 | Yongbo Zhu | A full-insulative waterproof switch cabinet |
| CN103490326A (en) * | 2013-10-09 | 2014-01-01 | 昆山振宏电子机械有限公司 | Electric control cabinet grounding installation plate and electric control cabinet |
| CN101714747B (en) * | 2008-10-07 | 2014-03-26 | 上海广浩电器有限公司 | Novel centrally-arranged switch cabinet grounding device |
| CN107508188A (en) * | 2017-08-14 | 2017-12-22 | 上海广电电气(集团)股份有限公司 | A kind of earthed system for switch cubicle |
-
2003
- 2003-04-21 CN CN 03230510 patent/CN2629297Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008080288A1 (en) * | 2006-12-30 | 2008-07-10 | Yongbo Zhu | A full-insulative waterproof switch cabinet |
| CN101714747B (en) * | 2008-10-07 | 2014-03-26 | 上海广浩电器有限公司 | Novel centrally-arranged switch cabinet grounding device |
| CN103490326A (en) * | 2013-10-09 | 2014-01-01 | 昆山振宏电子机械有限公司 | Electric control cabinet grounding installation plate and electric control cabinet |
| CN103490326B (en) * | 2013-10-09 | 2016-10-12 | 昆山振宏电子机械有限公司 | A kind of electrical control cubicles ground connection installing plate and electrical control cubicles |
| CN107508188A (en) * | 2017-08-14 | 2017-12-22 | 上海广电电气(集团)股份有限公司 | A kind of earthed system for switch cubicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040728 |