CN219716698U - Ring main unit interlocking device - Google Patents
Ring main unit interlocking device Download PDFInfo
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- CN219716698U CN219716698U CN202320526145.XU CN202320526145U CN219716698U CN 219716698 U CN219716698 U CN 219716698U CN 202320526145 U CN202320526145 U CN 202320526145U CN 219716698 U CN219716698 U CN 219716698U
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- interlocking
- main unit
- ring main
- sliding seat
- isolation mechanism
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- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000002955 isolation Methods 0.000 claims abstract description 26
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a ring main unit interlocking device, which comprises a lower isolation mechanism, a fixed seat, a sliding seat, a pressure spring, an interlocking rod, an interlocking rocker and a grounding shaft; the lower isolation mechanism is arranged on the cabinet body of the ring main unit; the fixed seat is fixedly connected with the lower isolation mechanism, and a guide rod is arranged in the groove of the fixed seat; the sliding seat is matched with the guide rod in a sliding way so as to realize vertical linear movement; the pressure spring is arranged between the bottom of the sliding seat and the bottom wall of the groove of the fixed seat; the interlocking rod is fixedly connected to the side surface of the sliding seat and is in interlocking fit with the front lower door of the ring main unit; the interlocking seesaw is in rotary fit with the lower isolation mechanism, and one end of the interlocking seesaw moves vertically and synchronously with the sliding seat; the grounding shaft is in rotary fit with the lower isolation mechanism, a locking plate is coaxially connected to the grounding shaft, and the end part of the locking plate and the other end part of the interlocking rocker are oppositely arranged to limit the rotation of the interlocking rocker. The utility model can solve the problem of unreliable operation of the existing interlocking device, and has simple structure and convenient maintenance.
Description
Technical Field
The utility model relates to the technical field of ring main unit use safety, in particular to a ring main unit interlocking device.
Background
The ring main unit equipment needs to meet the five-prevention interlocking requirement when in design, wherein the front lower door can be opened only after the switch is in the grounding position, otherwise, the front lower door is opened by mistake when the equipment is electrified, and personal danger is caused.
Existing ring main unit interlocks are generally classified into two types, namely, a soft rope interlock and a sheet metal interlock. Most sheet metal interlocking devices on the market are complex in structure, easy to block or not in place in interlocking and low in reliability, and as disclosed in patent CN211828537U, the utility model discloses a ring main unit front lower door interlocking device which comprises an interlocking mechanism and a lock catch; the interlocking mechanism comprises a sliding rod, a bracket, a pulling plate and a locking rod; the support is provided with a through hole, the sliding rod penetrates through the through hole and is connected with one end of the pulling plate, the other end of the pulling plate is connected with the locking rod, and the locking rod and the lock catch form interlocking. In the patent, the pull plate and the lock rod are driven by the slide rod to move to be matched with the lock catch so as to realize interlocking, but the interlocking device has no interlocking relation with a related mechanism (particularly a lower isolation mechanism) of the ring main unit, and the interlocking device still needs to be manually powered off and unlocked in the actual use process, so that the safety is to be improved.
Disclosure of Invention
The utility model aims to provide a ring main unit interlocking device, which solves the problem that the existing interlocking device is unreliable in operation, and is simple in structure and convenient to maintain.
In order to achieve the above object, the solution of the present utility model is:
the ring main unit interlocking device comprises a lower isolation mechanism, a fixed seat, a sliding seat, a pressure spring, an interlocking rod, an interlocking rocker and a grounding shaft; the lower isolation mechanism is arranged on the cabinet body of the ring main unit; the fixed seat is fixedly connected with the lower isolation mechanism, and a guide rod is arranged in the groove of the fixed seat; the sliding seat is matched with the guide rod in a sliding way so as to realize vertical linear movement; the pressure spring is arranged between the bottom of the sliding seat and the bottom wall of the groove of the fixed seat; the interlocking rod is fixedly connected to the side face of the sliding seat and is in interlocking fit with the front lower door of the ring main unit; the interlocking seesaw is in running fit with the lower isolation mechanism, and one end of the interlocking seesaw moves vertically and synchronously with the sliding seat; the grounding shaft is in running fit with the lower isolation mechanism, a locking plate is coaxially connected to the grounding shaft, and the end part of the locking plate and the other end part of the interlocking rocker are oppositely arranged to limit the rotation of the interlocking rocker.
The number of the guide rods is two, and the two guide rods are arranged in the grooves of the fixing seat in parallel along the vertical direction.
The pressure spring is sleeved on the guide rod.
The lower extreme of interlock pole is provided with the pothook, and the inboard of preceding lower door is provided with spacing support, the pothook is along with the vertical movement of interlock pole with spacing support buckle interlocks.
The lower isolation mechanism is provided with a rotating shaft, and the rotating shaft is positioned at the side edge of the grounding shaft; the middle section of the interlocking seesaw is in running fit with the rotating shaft.
The sliding seat is provided with a movable groove facing one surface of the interlocking rocker, and one end part of the interlocking rocker is embedded into the movable groove.
The sliding seat is provided with a baffle orifice plate which covers the end face of the grounding shaft along with the vertical movement of the sliding seat.
Preferably, the ring main unit interlocking device further comprises a tension spring connected between one end of the interlocking rocker and the bottom wall of the groove.
After the technical scheme is adopted, the utility model has the following technical effects:
the sliding seat is in linkage with the interlocking rod on the guide rod which is in sliding fit with the fixing seat, the sliding seat is in interlocking fit with the grounding shaft through the interlocking rocker and the locking plate, the locking plate does not limit the rotation of the interlocking rocker any more after the grounding shaft is rotated to the grounding state, the sliding seat can move upwards under the action of the pressure spring, and accordingly the interlocking rod is driven to unlock the front lower door of the ring main unit, and then the front lower door can be opened, so that the safety requirement of 'firstly grounding and then opening the door' is met, full safety guarantee is provided for a maintenance process, operation is reliable, and the device is simple in structure and easy to install.
Drawings
FIG. 1 is a front view of an embodiment of the present utility model;
FIG. 2 is a side view of an embodiment of the present utility model;
FIG. 3 is a perspective view of a portion of an embodiment of the present utility model;
FIG. 4 is a perspective view of a portion of a structure of a second embodiment of the present utility model;
FIG. 5 is a front view of a portion of the structure of an embodiment of the present utility model;
FIG. 6 is a perspective view of a front lower door in accordance with an embodiment of the present utility model;
reference numerals illustrate:
1- - -a lower isolation mechanism;
2- - -a fixing seat; 21- - -a groove; 22- - -a guide bar;
3- - -a sliding seat; 31- - -a movable slot; 32- - -a baffle plate;
4- - -a compression spring;
5- - -an interlock lever; 51- - -a hook;
6- - -interlocking rocker;
7- -a grounding shaft;
8- - -locking piece;
9- - -a rotation axis;
10-a tension spring;
a- - -a cabinet; b— front lower door; c- -limit bracket.
Description of the embodiments
In order to further explain the technical scheme of the utility model, the utility model is explained in detail by specific examples.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Accordingly, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in place when the inventive product is used, or the orientation or positional relationship conventionally understood by those skilled in the art, is merely for convenience in describing the embodiments of the present utility model, and is not intended to indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.
In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
Referring to fig. 1 to 6, the utility model discloses a ring main unit interlocking device, which comprises a lower isolation mechanism 1, a fixed seat 2, a sliding seat 3, a pressure spring 4, an interlocking rod 5, an interlocking rocker 6 and a grounding shaft 7;
the lower isolation mechanism 1 is arranged on a cabinet body a of the ring main unit;
the fixed seat 2 is fixedly connected with the lower isolation mechanism 1, and a guide rod 22 is arranged in a groove 21 of the fixed seat 2;
the sliding seat 3 is matched with the guide rod 22 in a sliding way so as to realize vertical linear movement;
the pressure spring 4 is arranged between the bottom of the sliding seat 3 and the bottom wall of the groove 21 of the fixed seat 2;
the interlocking rod 5 is fixedly connected to the side surface of the sliding seat 3 so as to realize synchronous vertical movement with the sliding seat 3 and is in interlocking fit with the front lower door b of the ring main unit;
the interlocking rocker 6 is in running fit with the lower isolation mechanism 1, and one end of the interlocking rocker 6 moves vertically synchronously with the sliding seat 3;
the grounding shaft 7 is in running fit with the lower isolation mechanism 1, and can rotate by using a tool (such as an operating handle) to realize the grounding of the ring main unit; the grounding shaft 7 is coaxially connected with a locking plate 8, and the end part of the locking plate 8 is opposite to the other end part of the interlocking rocker 6 to limit the rotation of the interlocking rocker 6: when the grounding shaft 7 is in a non-grounding state, the locking plate 8 abuts against the other end part of the interlocking warp plate 6 and enables the other end part of the interlocking warp plate 6 to tilt, so that one end part of the interlocking warp plate 6 drives the sliding seat 3 to descend and compress the pressure spring 4, and when the sliding seat 3 descends, the sliding seat is interlocked with the front lower door b to enable the front lower door b to be incapable of being opened.
Specific embodiments of the utility model are shown below.
The number of the guide rods 22 is two, and the two guide rods 22 are arranged in the grooves 21 of the fixed seat 2 in parallel along the vertical direction, so that the stability of the vertical linear movement of the sliding seat 3 can be improved, and the rotation can be avoided.
The compression spring 4 is sleeved on the guide rod 22 to ensure that the matching position of the compression spring 4 is relatively fixed.
The lower end of the interlock lever 5 is provided with a hook 51, the inner side of the front lower door b is provided with a limit bracket c, and the hook 51 is in snap interlock with the limit bracket c along with the vertical movement of the interlock lever 5: when the interlocking rod 5 descends, the clamping hook 51 clamps the limiting bracket c, and the front lower door b cannot be opened; when the interlocking lever 5 is lifted, the hook 51 is separated from the limiting bracket c, and the front lower door b can be opened.
A rotating shaft 9 is arranged on the lower isolation mechanism 1, and the rotating shaft 9 is positioned at the side edge of the grounding shaft 7; the middle section of the interlocking rocker 6 is rotatably matched on the rotating shaft 9 so as to realize the rotating matching with the lower isolation mechanism 1.
The sliding seat 3 is provided with a movable groove 31 facing the interlocking rocker 6, and one end of the interlocking rocker 6 is embedded into the movable groove 31, so that synchronous vertical movement with the sliding seat 3 can be realized.
The sliding seat 3 is provided with a baffle plate 32, and the baffle plate 32 covers the end face of the grounding shaft 7 along with the vertical movement of the sliding seat 3. In the looped netowrk cabinet, the baffle plate 32 can cover the operation hole which is arranged in the cabinet body and is opposite to the grounding shaft 7, namely, when the front lower door b is in an open state, the operation hole is covered and can not extend into a tool to rotate the grounding shaft 7, and the grounding shaft 7 can only be rotated after the front lower door b is closed, so that the use safety of the looped netowrk cabinet is further ensured.
The present utility model further includes a tension spring 10 connected between one end of the interlocking rocker 6 and the bottom wall of the recess 21. The tension spring 10 can prevent the interlocking rocker 6 from rotating too far, so that the locking plate 8 can not limit the interlocking rocker 6 any more.
According to the scheme, the sliding seat 3 which is in sliding connection with the guide rod 22 of the fixed seat 2 is in linkage with the interlocking rod 5, the sliding seat 3 is in interlocking connection with the grounding shaft 7 through the matching of the interlocking rocker 6 and the locking plate 8, only after the grounding shaft 7 is rotated to the grounding state, the locking plate 8 does not limit the rotation of the interlocking rocker 6 any more, the sliding seat 3 can move upwards under the action of the pressure spring 4, so that the interlocking rod 5 is driven to unlock the front lower door b of the ring main unit, and then the front lower door b can be opened, so that the safety requirement of 'grounding before opening' is met, full safety guarantee is provided for a maintenance process.
The above examples and drawings are not intended to limit the form or form of the present utility model, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present utility model.
Claims (8)
1. Ring main unit interlock, its characterized in that:
the device comprises a lower isolation mechanism, a fixed seat, a sliding seat, a pressure spring, an interlocking rod, an interlocking rocker and a grounding shaft;
the lower isolation mechanism is arranged on the cabinet body of the ring main unit;
the fixed seat is fixedly connected with the lower isolation mechanism, and a guide rod is arranged in the groove of the fixed seat;
the sliding seat is matched with the guide rod in a sliding way so as to realize vertical linear movement;
the pressure spring is arranged between the bottom of the sliding seat and the bottom wall of the groove of the fixed seat;
the interlocking rod is fixedly connected to the side face of the sliding seat and is in interlocking fit with the front lower door of the ring main unit;
the interlocking seesaw is in running fit with the lower isolation mechanism, and one end of the interlocking seesaw moves vertically and synchronously with the sliding seat;
the grounding shaft is in running fit with the lower isolation mechanism, a locking plate is coaxially connected to the grounding shaft, and the end part of the locking plate and the other end part of the interlocking rocker are oppositely arranged to limit the rotation of the interlocking rocker.
2. The ring main unit interlock of claim 1 wherein:
the number of the guide rods is two, and the two guide rods are arranged in the grooves of the fixing seat in parallel along the vertical direction.
3. The ring main unit interlock of claim 1 wherein:
the pressure spring is sleeved on the guide rod.
4. The ring main unit interlock of claim 1 wherein:
the lower extreme of interlock pole is provided with the pothook, and the inboard of preceding lower door is provided with spacing support, the pothook is along with the vertical movement of interlock pole with spacing support buckle interlocks.
5. The ring main unit interlock of claim 1 wherein:
the lower isolation mechanism is provided with a rotating shaft, and the rotating shaft is positioned at the side edge of the grounding shaft; the middle section of the interlocking seesaw is in running fit with the rotating shaft.
6. The ring main unit interlock of claim 1 wherein:
the sliding seat is provided with a movable groove facing one surface of the interlocking rocker, and one end part of the interlocking rocker is embedded into the movable groove.
7. The ring main unit interlock of claim 1 wherein:
the sliding seat is provided with a baffle orifice plate which covers the end face of the grounding shaft along with the vertical movement of the sliding seat.
8. A ring main unit interlock as claimed in any one of claims 1 to 7, wherein:
the device also comprises a tension spring connected between one end of the interlocking seesaw and the bottom wall of the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320526145.XU CN219716698U (en) | 2023-03-17 | 2023-03-17 | Ring main unit interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320526145.XU CN219716698U (en) | 2023-03-17 | 2023-03-17 | Ring main unit interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219716698U true CN219716698U (en) | 2023-09-19 |
Family
ID=87983270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320526145.XU Active CN219716698U (en) | 2023-03-17 | 2023-03-17 | Ring main unit interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219716698U (en) |
-
2023
- 2023-03-17 CN CN202320526145.XU patent/CN219716698U/en active Active
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