CN217606714U - Interlocking device of three-station mechanism - Google Patents
Interlocking device of three-station mechanism Download PDFInfo
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- CN217606714U CN217606714U CN202221402012.3U CN202221402012U CN217606714U CN 217606714 U CN217606714 U CN 217606714U CN 202221402012 U CN202221402012 U CN 202221402012U CN 217606714 U CN217606714 U CN 217606714U
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- connecting rod
- station
- circuit breaker
- interlocking device
- box
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Abstract
The utility model discloses an interlock of three station mechanisms relates to medium and high voltage switch cabinet technical field. The utility model discloses a box, three station interlocking device, middle part coupling mechanism, circuit breaker interlocking device, middle part stop gear, operating device and preceding lower threshold mechanism, the box sets up the below at three station switches, three station interlocking device sets up in three station switches, circuit breaker interlocking device, middle part coupling mechanism and operating device set up in the box, circuit breaker interlocking device is connected with middle part coupling mechanism drive, middle part coupling mechanism contradicts the cooperation with operating device and three station interlocking device respectively, preceding lower threshold mechanism sets up in the box bottom, preceding lower threshold mechanism is connected with the operating device drive, the utility model discloses simplify the interlocking design, can be through the switching of the lower door before three station switches and the control of circuit breaker state, can effectively guarantee operation personnel's safety.
Description
Technical Field
The utility model belongs to the technical field of well high tension switchgear, specifically be an interlock of three station mechanisms.
Background
The circuit breaker and the three-position switch are two kinds of switch devices which are matched and used in a power transmission circuit. Due to the difference of respective characteristics and functions, in practical application, a certain relative opening and closing relation between the circuit breaker and the three-position switch is required, otherwise, a fault is caused, and great loss is brought.
The specific relative opening and closing relation between the circuit breaker and the three-station switch is realized through the circuit breaker and the three-station switch interlocking device, the circuit breaker and the three-station switch are interlocked in operation, the specific opening and closing relation between the circuit breaker and the three-station switch is ensured, the traditional interlocking device is complex in structure, the interlocking between the three-station switch and the circuit breaker can be realized only, the interlocking between the three-station switch and a front lower door can not be realized, and the risk of electric shock exists in the operation process of opening the front lower door by a person under the closing state of the three stations.
Therefore, how to provide an interlocking device of a three-position mechanism with three-position switches, a breaker and a front lower door interlocking function becomes a problem to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an interlock of three station mechanisms can realize the interlock between three station switches, circuit breaker and the preceding lower door, the utility model discloses simple structure, installation are convenient, can effectively avoid the problem of personnel's electric shock in operation process.
For reaching above-mentioned mesh, the utility model provides an interlock of three station mechanisms, include box, three station interlocking device, erect connecting rod, circuit breaker interlocking device, pivot, turning arm, head rod, operating device and preceding lower threshold mechanism, the box sets up the below at three station switches, three station interlocking device sets up in three station switches, erect connecting rod, circuit breaker interlocking device, operating device, pivot, turning arm and head rod and all set up in the box, the pivot is connected with the box rotation, and the box center is provided with the middle part mounting panel, erect the connecting rod setting on the middle part mounting panel, erect connecting rod and middle part mounting panel sliding connection, preceding lower threshold mechanism sets up the bottom at the box, circuit breaker interlocking device includes circuit breaker drive shell, spacing bolt, spacing slider, head rod and the pivot lantern ring, spacing bolt sets up the top at circuit breaker drive shell, spacing bolt and spacing slider counterbalance, the one end and the articulated connection of head rod of circuit breaker drive shell, the other end and the articulated lantern ring connection of pivot and the nested lantern ring of operation mechanism are connected the pivot and the nested operating device bottom of operation of turning arm and operation mechanism, the nested operating device is provided with the nested operating device bottom of turning arm and the nested connecting rod.
Furthermore, three-station limiting holes are correspondingly formed in the upper portion of the limiting sliding block and used for locking the three-station operating panel.
Further, three station interlocking device include three stations spacing dishes and three station slides, three stations spacing dishes set up in three station switches, three station slides set up on three stations spacing dishes, three stations spacing dishes and three station slide sliding connection, be provided with driving motor on the three stations spacing dishes, driving motor and three station slide drive are connected, driving motor is connected with three station switch electricity.
Furthermore, an interlocking hole is formed in the top end of the box body corresponding to the vertical connecting rod, a fixing plate is arranged on one side of the interlocking hole, an upper transverse sliding sheet is arranged on the fixing plate and provided with a long groove, a baffle is further arranged at the bottom end of the upper transverse sliding sheet, the upper transverse sliding sheet is connected with the fixing plate in a sliding mode through a bolt, and the upper transverse sliding sheet is fixedly connected with the three-station sliding plate.
Furthermore, operating device includes operating handle and operating handle connecting rod, operating handle and operating handle connecting rod fixed connection, operating handle connecting rod and middle part mounting panel sliding connection, the handle connecting rod is inconsistent with perpendicular connecting rod.
Further, preceding lower door limiting mechanism includes second connecting rod and lower horizontal gleitbretter, the one end and the operating handle connecting rod of second connecting rod are articulated to be connected, the other end and the articulated connection of lower horizontal gleitbretter of second connecting rod, lower horizontal gleitbretter is the L type, lower horizontal gleitbretter supports the top of leaning on lower door in the front, and lower horizontal gleitbretter is provided with the elongated slot, lower horizontal gleitbretter passes through bolt and box sliding connection.
Furthermore, a concave groove is correspondingly arranged at the center of the top end of the front lower door.
The utility model has the advantages that:
the utility model discloses simple structure has simplified the interlocking design, can enough realize the interlocking of circuit breaker and three station switches, can realize the interlocking of three station switches and preceding lower door again, and the setting of spacing slider only when the circuit breaker is in the separating brake state, just can operate three station switches, and only be in combined floodgate state at the circuit breaker, just can open preceding lower door when three station switches are in ground state, can effectively ensure operation personnel's safety.
Drawings
Fig. 1 is a schematic view of the main structure of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a side view of the present invention.
Wherein, 1, the box body; 2. a circuit breaker drive case; 3. a limit bolt; 4. a limiting slide block; 5. a first connecting rod; 6, a rotating shaft lantern ring; 7. a rotating shaft; 8. a three-station operation panel; 9. a three-station limiting disc; 10. a three-station sliding plate; a fixing plate; 12. an upper transverse sliding sheet; 13. a baffle plate; 14. a middle mounting plate; 15. a vertical connecting rod; 16. an operating handle; 17. an operating handle link; 18. a crank arm; 19. a second connecting rod; 20. a lower lateral slider; 21. and a front lower door.
Detailed Description
To achieve the above objects and advantages, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "one side", "inner", "outer", "side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1-3, the utility model provides an interlock of three station mechanisms, the power distribution box comprises a box body 1, box 1 sets up the below at three station switches, the circuit breaker is installed in the box, 2 lid dress of circuit breaker drive shell are on the circuit breaker, 2 drive of circuit breaker drive shell are connected with the toggle switch drive of circuit breaker, the top of circuit breaker drive shell 2 is provided with spacing bolt 3, spacing bolt 3's top is supported and is leaned on there being limit slide 4, box 1 corresponds the spacing hole of three stations on 4's top, when the circuit breaker is in the combined floodgate state, spacing bolt 3 inserts the spacing hole of three stations with 4 upsets of limit slide, three station operating panel 8 are fixed, can't remove, realized only can operate three station switch's function when the circuit breaker separating brake.
The middle mounting plate 14 is arranged at the center of the box body 1, an operating mechanism is arranged on the outer side of the middle mounting plate 14, the operating mechanism comprises an operating handle 16 and an operating handle connecting rod 17, the operating handle 16 is fixedly connected with the operating handle connecting rod 17, the operating handle connecting rod 17 is connected with the middle mounting plate 14 in a sliding mode, one end of a second connecting rod 19 is connected with the operating handle connecting rod 17 in a hinged mode, the other end of the second connecting rod 19 is connected with a lower transverse sliding piece 20 in a hinged mode, the lower transverse sliding piece 20 is L-shaped, the lower transverse sliding piece 20 abuts against a front lower door 21, the lower transverse sliding piece 20 is provided with a long groove, the lower transverse sliding piece 20 is connected with the box body 1 in a sliding mode through a bolt installed in the long groove, a concave groove is correspondingly formed in the center of the top end of the front lower door 21, when the operating handle 16 is lifted upwards, the operating handle connecting rod 17 drives the second connecting rod 19 to further drive the lower transverse sliding piece 20 to move, and when a protruding portion of the lower transverse sliding piece 20 moves to the concave groove of the front lower transverse sliding piece 21, the front lower sliding piece 20 does not abut against the front lower door 21 again, and the front lower door can be lifted and opened.
The tail end of an operating handle connecting rod 17 is abutted against a vertical connecting rod 15, the vertical connecting rod 15 is arranged on a middle mounting plate 14, the vertical connecting rod 15 is connected with the middle mounting plate 14 in a sliding mode, an interlocking hole is formed in the top end, corresponding to the box body 1, of the vertical connecting rod 15, a fixing plate 11 is arranged at one end of the interlocking hole, an upper transverse sliding sheet 12 is arranged on the fixing plate 11, an elongated slot is formed in the upper transverse sliding sheet 12, the upper transverse sliding sheet 12 is connected with the fixing plate 11 in a sliding mode through a bolt installed in the elongated slot, a baffle 13 is arranged at the bottom end of the upper transverse sliding sheet 12, a three-position sliding sheet 10 is fixedly connected to one end of the upper transverse sliding sheet 12, the three-position sliding sheet 10 is in an L shape, the three-position sliding sheet 10 is arranged on a three-position limiting disc 9, the three-position limiting disc 9 is arranged in a three-position switch, a driving motor is further arranged on the three-position limiting disc 9, the driving motor is electrically connected with the three-position switch, and is in a driving connection with the three-position sliding sheet 10. According to the structure, when the three-position switch is in a closing or isolating state, the driving motor can control the three-position sliding plate 10 to move, and further control the upper transverse sliding plate 12 to move, so that the baffle 13 of the upper transverse sliding plate 12 shields the interlocking hole, the vertical connecting rod 15 cannot be lifted, and the operating handle 16 cannot be lifted due to the fact that the operating handle connecting rod 17 abuts against the vertical connecting rod 15, the front lower door 21 cannot be opened, and interlocking between the three-position switch and the front lower door 21 is formed.
The bottom end of the box body 1 is further provided with a rotating shaft 7, the rotating shaft 7 is rotatably connected with the box body 1, the bottom end of the breaker driving shell 2 is provided with a first connecting rod 5, the breaker driving shell 2 is hinged to one end of the first connecting rod 5, the other end of the first connecting rod 5 is provided with a rotating shaft sleeve ring 6, the rotating shaft sleeve ring 6 is hinged to the first connecting rod 5, the rotating shaft sleeve ring 6 is sleeved on the rotating shaft 7, meanwhile, a connecting arm 18 is further sleeved on the rotating shaft 7, the connecting arm 18 corresponds to the tail end of the operating handle connecting rod 17, and therefore when the breaker is in a breaking state, the first connecting rod 5 drives the rotating shaft 7 to rotate through the rotating shaft sleeve ring 6, the protruding portion of the connecting arm 18 further shields the operating handle connecting rod 17, the operating handle 16 is prevented from being lifted up, the front lower door 21 cannot be opened, when the breaker is closed, the rotating shaft 5 drives the rotating shaft 7 to rotate reversely, the protruding portion of the connecting arm 18 rotates in the opposite direction, the operating handle connecting rod 17 is not shielded any more, the front lower door 21 can be opened, and the interlocking of the breaker and the front lower door 21 is formed by the breaker.
The utility model discloses a theory of operation does: when the circuit breaker is in a switching-off state, the limiting slide block 4 cannot lock the three-station operating panel 8, the first connecting rod 5 drives the rotating shaft 7 to rotate, the operating handle 16 is interlocked through the connecting lever 18, at the moment, the three-station switch can be operated, the front lower door 21 cannot be opened, and people are prevented from electric shock; when the circuit breaker is in a closing state, the limiting slider 4 locks the three-station operating panel 8, and if the three-station switch is in a closing or isolating state, the driving motor drives the three-station sliding plate 10, so that the baffle 13 of the upper transverse sliding plate 12 is driven to shield the interlocking hole, the operating handle 16 is prevented from being lifted, the three-station switch cannot be operated at the moment, and the front lower door 21 cannot be opened; when the circuit breaker is in the combined floodgate state, limiting slide block 4 locks three station operating panel 8 and dies, and if three station switch this moment when being in ground connection state, can not operate three station switch this moment, but can open preceding lower door 21, has avoided operation personnel's electric shock risk, the utility model discloses interlock sets up ingenious reasonable, effectively ensures operation personnel's safety.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides an interlock of three station mechanisms, a serial communication port, include box, three station interlocking device, erect connecting rod, circuit breaker interlocking device, pivot, turning arm, head rod, operating device and preceding lower threshold mechanism, the box sets up the below at three station switches, three station interlocking device sets up in three station switches, erect connecting rod, circuit breaker interlocking device, operating device, pivot, turning arm and head rod and all set up in the box, the pivot is connected with the box rotation, and the box center is provided with the middle part mounting panel, erect the connecting rod setting on the middle part mounting panel, erect connecting rod and middle part mounting panel sliding connection, preceding lower threshold mechanism sets up the bottom at the box, circuit breaker interlocking device includes circuit breaker drive shell, spacing bolt, spacing slider, head rod and the pivot lantern ring, spacing bolt sets up the top at circuit breaker drive shell, spacing bolt and spacing slider counterbalance, the one end of head rod is connected with circuit breaker drive shell is articulated, the other end and the pivot lantern ring are connected, the pivot is nested with the nested connecting rod of connecting rod set up in the operation mechanism the middle part the operating device outside the turning arm corresponds the operation mechanism bottom with the nested connecting rod.
2. The interlocking device of a three-position mechanism according to claim 1, wherein three-position limiting holes are correspondingly arranged above the limiting sliding block and used for locking the three-position operating panel.
3. The interlocking device of a three-position mechanism according to claim 1, wherein the three-position interlocking mechanism comprises a three-position limiting disc and a three-position sliding plate, the three-position limiting disc is arranged in a three-position switch, the three-position sliding plate is arranged on the three-position limiting disc, the three-position limiting disc is slidably connected with the three-position sliding plate, a driving motor is arranged on the three-position limiting disc, the driving motor is in driving connection with the three-position sliding plate, and the driving motor is electrically connected with the three-position switch.
4. The interlocking device of a three-position mechanism according to claim 3, wherein the top end of the box body corresponding to the vertical connecting rod is provided with an interlocking hole, one side of the interlocking hole is provided with a fixed plate, the fixed plate is provided with an upper transverse sliding sheet, the upper transverse sliding sheet is provided with a long groove, the bottom end of the upper transverse sliding sheet is further provided with a baffle plate, the upper transverse sliding sheet is slidably connected with the fixed plate through a bolt, and the upper transverse sliding sheet is fixedly connected with the three-position sliding sheet.
5. The interlocking device of a three-position mechanism according to claim 1, wherein the operating mechanism comprises an operating handle and an operating handle connecting rod, the operating handle is fixedly connected with the operating handle connecting rod, the operating handle connecting rod is slidably connected with the middle mounting plate, and the operating handle connecting rod is abutted against the vertical connecting rod.
6. The interlock device of claim 5, wherein the lower front door mechanism comprises a second connecting rod and a lower cross slide, one end of the second connecting rod is hinged to the operating handle connecting rod, the other end of the second connecting rod is hinged to the lower cross slide, the lower cross slide is L-shaped and abuts against the top end of the lower front door, and the lower cross slide is provided with a long slot and is slidably connected to the box body through a bolt.
7. The interlocking device of a three-position mechanism according to claim 6, wherein the center of the top end of the front lower door is correspondingly provided with a concave groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221402012.3U CN217606714U (en) | 2022-06-07 | 2022-06-07 | Interlocking device of three-station mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221402012.3U CN217606714U (en) | 2022-06-07 | 2022-06-07 | Interlocking device of three-station mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217606714U true CN217606714U (en) | 2022-10-18 |
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ID=83588065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221402012.3U Active CN217606714U (en) | 2022-06-07 | 2022-06-07 | Interlocking device of three-station mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217606714U (en) |
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2022
- 2022-06-07 CN CN202221402012.3U patent/CN217606714U/en active Active
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