CN209487389U - 6300A mini-sub direct-current isolating switch - Google Patents

Abstract

The utility model provides a kind of 6300A mini-sub direct-current isolating switch, the disconnecting switch is used 8 pony insulators and is vertically fixed on chassis, it include conductive component, one end of conductive component is installed on small-sized support insulator, the conductive component opening vertical relative to chassis, it is connected two-by-two by connecting plate, guarantees inlet-outlet line quantity, while enlarged contact areas realizes the effect of small switch high current.The effect of the utility model is: carrying out divide-shut brake under high-tension line and free situation, this mini-sub dc switch has small in size, the big feature of current-carrying capacity；Stable structure, current-carrying capacity is big and safer, reliably；Switchette is set as four rows, shares same drive rod, guarantees the uniformity and harmony of plug-in strip closure；Divide-shut brake is controlled with the insulated pull rod of relative rotation, more can guarantee the freedom degree and harmony of switch.

Description

6300A mini-sub direct-current isolating switch

Technical field

The utility model belongs to technical field of electric equipment, opens more particularly to a kind of 6300A mini-sub DC isolation It closes.

Background technique

Subway DC isolating switch is to guarantee essential component, energy when the large-scale track circuit such as subway and light rail is run Guarantee its normal power supply and trouble hunting.The existing subway in China and light rail direct-current isolating switch volume, current-carrying capacity and environment Compressive resistance can not guarantee simultaneously, can only be installed on pillar at present, repair relative difficulty.

Summary of the invention

For problem present on structure in the prior art, the utility model provide a kind of 6300A mini-sub direct current every Pass is left, that is, is mountable on pillar, is also mountable in switchgear, maintenance is facilitated, while realizing small in size and guaranteeing big The load of electric current improves safety.

To achieve the above object, the technical solution of the utility model is: a kind of 6300A mini-sub direct-current isolating switch, It include: four row of disconnecting switch assembling, 8 pony insulators are perpendicularly fixed on underframe assemblies, and two groups pass through connecting plate first place phase Even, using the insulated pull rod of opposite sliding, stable structure, stress is small, and contact area is big, realizes small switch high current operating.

The effect of the utility model is: carrying out divide-shut brake under high-tension line and free situation, this mini-sub Dc switch has small in size, the big feature of current-carrying capacity.Volume is about the 4/5 of existing switch, this construction of switch is stablized, current-carrying capacity Big and safer, reliable, switchette is set as four rows, shares same drive rod, guarantees the uniformity and coordination of plug-in strip closure Property, while divide-shut brake is controlled with the insulated pull rod relatively rotated, it more can guarantee the freedom degree and harmony of switch.

Detailed description of the invention

Fig. 1 is the mini-sub direct-current isolating switch structural front view of the utility model；

Fig. 2 is the side view of Fig. 1；

Fig. 3 is the top view of Fig. 1；

Fig. 4 is the mini-sub direct-current isolating switch conductive component main view of the utility model；

Fig. 5 is the top view of Fig. 4；

Fig. 6 is the mini-sub direct-current isolating switch use state diagram of the utility model.

In figure:

1. 2. post insulator sub-component of chassis, 3. insulated pull rod component

4. 5. conductive bar of conductive component, 6. isolation knife

7. 8. inlet-outlet line plate of pressure spring, 9. support plate

10. fastener

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and detailed description:

As shown in Figures 1 to 6, a kind of 6300A mini-sub direct-current isolating switch, comprising: chassis 1, post insulator subgroup Part 2, insulating rod component 3 and conductive component 4, the support insulator 2 are vertically fixed on chassis 1, and the conductive component 4 has One end of moving contact is installed on opening on the support insulator of post insulator sub-component 2 and vertical relative to chassis, with pillar The static contact of the post insulator sub-component 2 of insulator assembly 2 forms the disconnecting switch of closure, which is equipped in tandem Four groups and be connected jointly with insulating rod component 3, wherein the inlet-outlet line plate 8 of every two groups of disconnecting switch is connected from beginning to end.

Conductive component 4 includes: conductive bar 5, isolation knife 6, pressure spring 7, inlet-outlet line plate 8, the conductive bar 5 and inlet-outlet line plate 8 It is connected by dormant bolt, pressure spring 7 is installed to the two sides of isolation knife 6 by bolt assembly, and the pressure of pressure spring can ensure that switch exists The contact area of isolation knife and conductive bar when "on" position, inlet-outlet line plate 8 are connect with support plate 9 by bolt assembly, make to support Plate 9 makes rotating motion along fastener 10, and isolation knife 6 is tightened together with support plate 9 by bolt assembly, does support plate 9 and revolves Isolation knife 6 is driven to make rotating motion when transhipment is dynamic.

The insulating rod component 3 includes spindle drive bar, follower lever and connector, the conductive component 4 of every group of disconnecting switch It is connect through follower lever with spindle drive bar.

Embodiment

As shown in Figure 1, 2, 3, post insulator sub-component 2 is vertically stable is installed on underframe assemblies 1, and conductive component 4 hangs down It is directly mounted on post insulator sub-component 2 and is connected with insulated pull rod 3,3 four groups of insulated pull rod rotate side by side.Four row's conduction groups Every two rows of head and the tail are connected with connecting plate in part.

As shown in figure 4, four row's isolation knifes 6 are contacted with the progress line of conductive bar 5 respectively under "on" position, pressure spring 7 guarantees isolation Contact area between knife 6 and conductive bar 5.

As shown in figure 5, support plate 9 is connect with inlet-outlet line plate 8 by fastener 1, guarantee that it can relative rotation.

As shown in fig. 6, driving conductive group by insulated pull rod 3 in 6300A mini-sub direct-current isolating switch operating process Part 4, conductive component 4 make rotating motion entirely around fixing axle, drive the contact separation of isolation knife 6 and conductive bar 5, realize isolation The division campaign of switch.

Claims (3)

1. a kind of 6300A mini-sub direct-current isolating switch, comprising: chassis (1), post insulator sub-component (2), insulating rod component (3) it is vertically fixed on chassis (1) with conductive component (4), the post insulator sub-component (2), the conductive component (4) has One end of moving contact is installed on opening on the support insulator of post insulator sub-component (2) and vertical relative to chassis, with branch The static contact of the post insulator sub-component (2) of column insulator assembly (2) forms the disconnecting switch of closure, it is characterized in that: the isolation Switch is equipped with four groups in tandem and is connected jointly with insulating rod component (3), wherein the inlet-outlet line of every two groups of disconnecting switch Plate (8) head and the tail are connected.

2. 6300A mini-sub direct-current isolating switch according to claim 1, it is characterized in that: the conductive component (4) wraps Include: conductive bar (5), isolation knife (6), pressure spring (7), inlet-outlet line plate (8), the conductive bar (5) and inlet-outlet line plate (8) pass through countersunk head It is bolted, pressure spring (7) is installed to the two sides of isolation knife (6) by bolt assembly, and the pressure of pressure spring can ensure that switch is closing a floodgate The contact area of isolation knife and conductive bar when state, inlet-outlet line plate (8) are connect with support plate (9) by bolt assembly, make to support Plate (9) makes rotating motion along fastener 10, and isolation knife (6) is tightened together with support plate (9) by bolt assembly, makes support plate (9) isolation knife (6) are driven to make rotating motion when making rotating motion.

3. 6300A mini-sub direct-current isolating switch according to claim 1, it is characterized in that: the insulating rod component (3) Including spindle drive bar, follower lever and connector, the conductive component (4) of every group of disconnecting switch is through follower lever and spindle drive bar Connection.