CN220022092U - Switch cabinet with interlocking device for rear upper door and cable chamber door - Google Patents
Switch cabinet with interlocking device for rear upper door and cable chamber door Download PDFInfo
- Publication number
- CN220022092U CN220022092U CN202321476325.8U CN202321476325U CN220022092U CN 220022092 U CN220022092 U CN 220022092U CN 202321476325 U CN202321476325 U CN 202321476325U CN 220022092 U CN220022092 U CN 220022092U
- Authority
- CN
- China
- Prior art keywords
- door
- upper door
- rear upper
- connecting rod
- cable chamber
- Prior art date
- 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.)
- Active
Links
Landscapes
- Patch Boards (AREA)
Abstract
The utility model relates to the technical field of high-voltage electrical equipment, in particular to a switch cabinet of a rear upper door and cable chamber door interlocking device, which comprises a switch cabinet body, a cable chamber door, a rear upper door and an interlocking device, wherein the interlocking device comprises an interlocking bracket, a lock rod, a first connecting rod, a second connecting rod and a push plate; the push plate is connected with the cable chamber door; the upper door is connected behind the one end of first connecting rod, and the other end and the one end coaxial rotation of second connecting rod set up on the lateral wall of cubical switchboard, and the other end and the lateral wall of cubical switchboard of second connecting rod rotate to be connected. The interlocking locking device has the advantages of high reliability, strong logic and good safety; the interlocking parts are locked by adopting clearance fit, the operation of the rear upper door does not influence the reliable action of the interlocking mechanism, and the service life of the interlocking is prolonged.
Description
Technical Field
The utility model relates to the technical field of high-voltage electrical equipment, in particular to a switch cabinet of a rear upper door and cable chamber door interlocking device.
Background
There are two types of existing switch cabinet rear upper door in industry, one is a fixed sealing plate and the other is a left-right rotary door. The existing combination form of a rear upper door and a cable room door needs to meet the five-prevention interlocking function, namely the rear upper door of a switch cabinet and the cable room door need to have the interlocking function, a set of novel interlocking device which is driven up and down through a lock rod and locks the rear upper door is provided for a complete equipment manufacturer, and the novel interlocking device has the advantages of emergency unlocking function, high reliability and small number of parts.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a switch cabinet of an interlocking device of a rear upper door and a cable chamber door.
The utility model is realized by the following technical scheme:
the switch cabinet comprises a switch cabinet body, a cable chamber door, a rear upper door and an interlocking device, wherein the cable chamber door is rotatably arranged on the side wall of the switch cabinet body, the rear upper door is rotatably arranged on a beam in the switch cabinet body, the rotating shaft of the rear upper door is horizontally arranged, the rotating shaft of the cable chamber door is vertical to the rotating shaft of the rear upper door, the rear upper door and the cable chamber door are positioned on the same side, and the rear upper door is positioned above the cable chamber door;
the interlocking device comprises an interlocking bracket, a lock rod, a first connecting rod, a second connecting rod and a push plate, wherein the lock rod is arranged on the inner side wall of the switch cabinet in a vertical sliding way, the lower end of the lock rod is contacted with the top of the push plate, and the top of the lock rod is matched with the bottom of the rear upper door; the push plate is connected with the cable chamber door;
one end of the first connecting rod is connected with the rear upper door, the other end of the first connecting rod and one end of the second connecting rod are coaxially and rotatably arranged on the side wall of the switch cabinet, and the other end of the second connecting rod is rotatably connected with the side wall of the switch cabinet;
a baffle is arranged on the second connecting rod, and the length axis of the baffle is perpendicular to the length axis of the second connecting rod;
when the rear upper door is closed, the included angle between the second connecting rod and the first connecting rod is 0-90 degrees, and the top end of the lock rod is matched with the rear upper door;
when the rear upper door is opened, the second connecting rod is in a horizontal state with the first connecting rod, the top end of the lock rod is in butt joint with the second connecting rod, and the baffle is positioned at the top end of the lock rod.
Preferably, the bottom of the rear upper door is provided with a locking hole, and when the rear upper door is closed, the top end of the locking rod is inserted into the locking hole.
Preferably, the switch cabinet also comprises an interlocking bracket, wherein the interlocking bracket is fixed on the inner side wall of the switch cabinet, and the lock rod is arranged on the interlocking bracket in a vertical sliding way.
Preferably, the interlocking bracket comprises an upper bracket and a lower bracket which are symmetrically arranged, and the lock rod penetrates through the upper bracket and the lower bracket to slide up and down.
Preferably, the lock rod is provided with an upper limit and a lower limit which are spaced apart, and the upper limit and the lower limit are positioned between the upper bracket and the lower bracket.
Preferably, the lower end of the lock rod is provided with a pulley, the bottom of the pulley is contacted with the push plate, and the pulley slides on the side edge of the top of the push plate.
Preferably, a notch is arranged at the top of one side of the push plate away from the cable chamber door.
Preferably, the cable door also comprises an emergency unlocking bolt, and the push plate and the cable door are connected through the emergency unlocking bolt.
Compared with the prior art, the utility model has the following beneficial effects:
the switch cabinet interlocking locking reliability of the interlocking device of the rear upper door and the cable chamber door is high, the logic is strong, and the safety is good; the interlocking parts are locked by adopting clearance fit, the operation of the rear upper door does not influence the reliable action of the interlocking mechanism, and the service life of the interlocking is prolonged.
Under the condition that the switch cabinet is not electrified, the utility model drives the lock rod up and down, after the cable chamber door is opened, the lock rod descends through free falling body movement, and the door is opened; and only after the rear upper door is closed, the cable chamber door is closed to push the lock rod to move upwards, the rear upper door is locked again, and the rear upper door is controlled to be incapable of being opened.
When the rear upper door is not closed, the lock rod is supported by the baffle of the second connecting rod, so that the lock rod cannot move upwards, and the cable chamber door cannot be closed; the requirement of 'preventing from entering the electrified interval by mistake' in the five-prevention interlocking requirement is realized, and the functions of forward and reverse interlocking are realized.
Further, the first limit and the second limit can prevent the lock rod from being separated from the interlocking support, and can limit the up-and-down sliding position of the lock rod, so that the safety of the push plate and the rear upper door is ensured.
Further, the pulley can reduce the friction force between the push plate and the lower end of the lock rod, so that the lock rod can move conveniently.
Furthermore, the emergency unlocking bolt enables the cable chamber door to have an emergency unlocking function, when an accident occurs and the emergency opening of the rear upper door is needed for emergency repair, the emergency unlocking bolt has the emergency unlocking function, and timeliness of on-site processing of problems is improved. When the door is needed to be opened after emergency unlocking, the interlocking can be removed only by removing the emergency unlocking bolt and naturally falling the push plate, and a novel interlocking implementation scheme is provided for industry manufacturers and power users.
Drawings
FIG. 1 is a schematic view of the structure of the rear upper door of the present utility model when the upper door is closed;
FIG. 2 is a side view of the rear upper door of the present utility model when closed;
FIG. 3 is a schematic view of the structure of the rear upper door of the present utility model when opened;
FIG. 4 is a schematic view of the structure of the interlock device of the present utility model;
fig. 5 is a left side view of the interlock device of the present utility model.
In the figure, 1, an interlocking device; 2. a lock lever; 3. a cable compartment door; 4. an emergency unlocking bolt; 5. a push plate; 6. a second link; 7. a first link; 8. a rear upper door; 9. an interlocking bracket; 10. a pulley; 11. and a baffle.
Detailed Description
The utility model will now be described in further detail with reference to specific examples, which are intended to illustrate, but not to limit, the utility model.
The utility model discloses a switch cabinet of a rear upper door and cable chamber door interlocking device, which comprises a switch cabinet body, a cable chamber door 3, a rear upper door 8 and an interlocking device 1, wherein the cable chamber door 3 is rotatably arranged on the side wall of the switch cabinet body, the rear upper door 8 is rotatably arranged on a cross beam in the switch cabinet body, the rotating shaft of the rear upper door 8 is horizontally arranged, the rotating shaft of the cable chamber door 3 is vertical to the rotating shaft of the rear upper door 8, the rear upper door 8 and the cable chamber door 3 are positioned on the same side, and the rear upper door 8 is positioned above the cable chamber door 3.
Referring to fig. 3, 4 and 5, the interlocking device 1 comprises an interlocking bracket 9, a lock rod 2, a first connecting rod 7, a second connecting rod 6 and a push plate 5, wherein the interlocking bracket 9 is fixed on the inner side wall of the switch cabinet, and the lock rod 2 is arranged on the interlocking bracket 9 in a vertical sliding manner. The interlocking bracket 9 includes an upper bracket and a lower bracket which are symmetrically arranged, and the lock lever 2 passes through the upper bracket and the lower bracket to slide up and down. The lock rod 2 is provided with an upper limit and a lower limit which are spaced, and the upper limit and the lower limit are positioned between the upper bracket and the lower bracket.
The lower extreme of locking lever 2 and push pedal 5 top contact, and the lower extreme of locking lever 2 is equipped with pulley 10, and pulley 10's bottom and push pedal 5 contact, and slide and push pedal 5's top side edge, push pedal 5 are equipped with the breach from cable chamber door 3 one side top, and the breach is triangle-shaped in this embodiment, also can be other slant breach. The pulley 10 at the lower end of the lock lever 2 may be provided in a spherical structure, a hemispherical structure, or other structures capable of reducing friction.
The top end of the lock lever 2 is matched with the bottom of the rear upper door 8, in this embodiment, the bottom of the rear upper door 8 is provided with a locking hole, and when the rear upper door 8 is closed, the top end of the lock lever 2 is inserted into the locking hole.
The upper door 8 is connected behind the one end of first connecting rod 7, and the other end and the one end coaxial rotation of second connecting rod 6 set up on the lateral wall of cubical switchboard, and the other end and the lateral wall rotation of cubical switchboard of second connecting rod 6 are connected.
The second connecting rod 6 is provided with a baffle 11, and the length axis of the baffle 11 is perpendicular to the length axis of the second connecting rod 6.
When the rear upper door 8 is closed, the included angle between the second connecting rod 6 and the first connecting rod 7 is 0-90 degrees, and the top end of the lock rod 2 is matched with the rear upper door 8; when the rear upper door 8 is opened, the second connecting rod 6 and the first connecting rod 7 are in a horizontal state, the top end of the lock rod 2 is in butt joint with the second connecting rod 6, and the baffle 11 is positioned at the top end of the lock rod 2.
The emergency unlocking bolt 4 is further included, and the push plate 5 and the cable chamber door 3 are connected through the emergency unlocking bolt 4.
The utility model relates to a switch cabinet of a rear upper door and cable chamber door interlocking device, which comprises the following implementation principles: referring to fig. 4 and 5, when the switch cabinet is not electrified, after the cable chamber door 3 is opened, the push plate 5 moves leftwards under the drive of the cable chamber door 3, the pulley 10 at the bottom of the lock rod 2 moves along the notch of the push plate 5 and drives the lock rod 2 to move freely and descend, and the top end of the lock rod 2 leaves the locking hole at the bottom of the rear upper door 8, so that the unlocking of the rear upper door 8 is realized. Only when the rear upper door 8 is closed, the cable chamber door 3 is closed to push the lock rod 2 to move upwards, so that the locking of the rear upper door 8 is realized, and the rear upper door 8 is controlled to be incapable of being opened.
When the rear upper door 8 is not closed, the first connecting rod 7 and the second connecting rod 6 are in a horizontal state, and the lock rod 2 is supported by the second connecting rod 6, so that the lock rod 2 cannot move upwards, and further the cable chamber door 3 cannot be closed, and the requirement of 'preventing from entering an electrified interval by mistake' in the five-prevention interlocking requirement and the forward and reverse interlocking function are realized.
When the cable chamber door 3 is opened, the lock rod 2 moves downwards due to gravity, the locking state of the rear upper door 8 is released, the rear upper door 8 can be opened to a horizontal state through the up-down turnover hinge, the second connecting rod 6 and the first connecting rod 7 are driven to lock the lock rod 2 reversely, and equipment maintenance is carried out; after the maintenance is finished, only after the rear upper door 8 is closed in sequence and the reverse locking of the second connecting rod 6 and the first connecting rod 7 to the lock rod 2 is released, the lock rod 2 can be pushed to move upwards by closing the cable chamber door 3 and is inserted into a lock hole of the rear upper door 8, so that the rear upper door 8 is locked and cannot be opened; when the rear upper door 8 is in the non-closed state, the second link 6 and the first link 7 are in the reverse locking state, and the lock lever 2 cannot be forced to move upward by the operation of closing the cable chamber door 3 or the like, so that the cable chamber door 3 cannot be closed.
When an accident occurs, the emergency unlocking bolt 4 is only required to be removed when the upper door 8 needs to be emergency-opened for emergency repair, and the push plate 5 naturally falls off, so that the interlocking can be removed, and the timeliness of treatment when the accident is met is improved.
The foregoing description of the preferred embodiment of the present utility model is not intended to limit the technical solution of the present utility model in any way, and it should be understood that the technical solution can be modified and replaced in several ways without departing from the spirit and principle of the present utility model, and these modifications and substitutions are also included in the protection scope of the claims.
Claims (8)
1. The utility model provides a switch cabinet of back upper door and cable chamber door interlock, a serial communication port, including the switch cabinet body, cable chamber door (3), back upper door (8) and interlock (1), cable chamber door (3) rotate and set up on the lateral wall of switch cabinet body, back upper door (8) rotate and set up on the crossbeam in the switch cabinet body, the axis of rotation level setting of back upper door (8), the axis of rotation of cable chamber door (3) is perpendicular with the axis of rotation of back upper door (8), back upper door (8) are located same one side with cable chamber door (3), and back upper door (8) are located the top of cable chamber door (3);
the interlocking device (1) comprises an interlocking bracket (9), a lock rod (2), a first connecting rod (7), a second connecting rod (6) and a push plate (5), wherein the lock rod (2) is arranged on the inner side wall of the switch cabinet in a vertical sliding way, the lower end of the lock rod (2) is contacted with the top of the push plate (5), and the top of the lock rod is matched with the bottom of the rear upper door (8); the push plate (5) is connected with the cable chamber door (3);
one end of the first connecting rod (7) is connected with the rear upper door (8), the other end of the first connecting rod is coaxially and rotatably arranged on the side wall of the switch cabinet, and the other end of the second connecting rod (6) is rotatably connected with the side wall of the switch cabinet;
a baffle (11) is arranged on the second connecting rod (6), and the length axis of the baffle (11) is perpendicular to the length axis of the second connecting rod (6);
when the rear upper door (8) is closed, the included angle between the second connecting rod (6) and the first connecting rod (7) is 0-90 degrees, and the top end of the lock rod (2) is matched with the rear upper door (8);
when the rear upper door (8) is opened, the second connecting rod (6) and the first connecting rod (7) are in a horizontal state, the top end of the lock rod (2) is abutted with the second connecting rod (6), and the baffle plate (11) is positioned at the top end of the lock rod (2).
2. The switchgear of the rear upper door and cable room door interlock according to claim 1, characterized in that the bottom of the rear upper door (8) is provided with a locking hole, into which the top end of the lock rod (2) is inserted when the rear upper door (8) is closed.
3. The switch cabinet of the interlocking device of the rear upper door and the cable chamber door according to claim 1, further comprising an interlocking bracket (9), wherein the interlocking bracket (9) is fixed on the inner side wall of the switch cabinet, and the lock rod (2) is arranged on the interlocking bracket (9) in a vertical sliding manner.
4. A switch cabinet for a rear upper door and cable chamber door interlocking device according to claim 3 wherein the interlocking bracket (9) comprises an upper bracket and a lower bracket which are symmetrically arranged, and the lock lever (2) slides up and down through the upper bracket and the lower bracket.
5. The switch cabinet of a rear upper door and cable chamber door interlocking device according to claim 4, wherein the lock lever (2) is provided with an upper limit and a lower limit which are spaced apart, and the upper limit and the lower limit are positioned between the upper bracket and the lower bracket.
6. The switch cabinet of the interlocking device of the rear upper door and the cable chamber door according to claim 1, wherein a pulley (10) is arranged at the lower end of the lock rod (2), the bottom of the pulley (10) is contacted with the push plate (5), and the pulley slides on the top side edge of the push plate (5).
7. The switch cabinet of a rear upper door and cable chamber door interlocking device according to claim 1, characterized in that the top of one side of the push plate (5) far away from the cable chamber door (3) is provided with a notch.
8. The switch cabinet of a rear upper door and cable chamber door interlocking device according to claim 1, further comprising an emergency unlocking bolt (4), wherein the push plate (5) and the cable chamber door (3) are connected by the emergency unlocking bolt (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321476325.8U CN220022092U (en) | 2023-06-09 | 2023-06-09 | Switch cabinet with interlocking device for rear upper door and cable chamber door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321476325.8U CN220022092U (en) | 2023-06-09 | 2023-06-09 | Switch cabinet with interlocking device for rear upper door and cable chamber door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220022092U true CN220022092U (en) | 2023-11-14 |
Family
ID=88670453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321476325.8U Active CN220022092U (en) | 2023-06-09 | 2023-06-09 | Switch cabinet with interlocking device for rear upper door and cable chamber door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220022092U (en) |
-
2023
- 2023-06-09 CN CN202321476325.8U patent/CN220022092U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110211826B (en) | Interlocking mechanism in load switch | |
| CN109216096B (en) | Interlocking structure for grounding switch and lower door, switch cabinet and operation method thereof | |
| CN201307531Y (en) | Five-prevention blocking device of switchgear | |
| KR101756726B1 (en) | The door lock for switchboard equipped with emergency interlock releasing devices | |
| CN220022092U (en) | Switch cabinet with interlocking device for rear upper door and cable chamber door | |
| CN201413947Y (en) | Interlocking device of ground switch and door of switch apparatus | |
| CN113488872B (en) | Switch cabinet | |
| CN107293427B (en) | Interlocking device of grounding switch and front door and rear door | |
| CN218384965U (en) | Interlocking device of earthing switch and back door in switchgear | |
| CN210655764U (en) | Elevator door gap protection device | |
| CN209747957U (en) | Switch cabinet | |
| CN219478281U (en) | Mining explosion-proof box with safety interlocking mechanism | |
| CN109427495B (en) | Electrical control cabinet, and driving mechanism mechanical door interlocking device and method for electrical control cabinet | |
| CN213953333U (en) | Manual opening device for electric door | |
| CN216980391U (en) | Interlocking device for preventing misoperation of inflating cabinet | |
| CN216085718U (en) | High-voltage ring main unit safe in operation | |
| CN110424839A (en) | A kind of passive blocking device of vehicle doorn | |
| CN215220633U (en) | Interlocking device between circuit breaker, three-position switch and cable room door | |
| CN210120367U (en) | Door closing interlocking device of vacuum circuit breaker | |
| CN102768911A (en) | Switchgear grounding switch and lower door interlocking mechanism | |
| CN113745982A (en) | High-voltage ring main unit safe in operation | |
| CN102306909B (en) | Valve self-locking mechanism of metal enclosed switch equipment | |
| CN100341216C (en) | Safety interlock system for circuit breaker | |
| CN205723217U (en) | Interlock on air insulated switch equipment and air insulated switch equipment | |
| CN118471709B (en) | Interlocking device for opening and closing upper and lower doors based on high-voltage switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |