CN210517558U - Movable switch cabinet - Google Patents
Movable switch cabinet Download PDFInfo
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- CN210517558U CN210517558U CN201921523287.0U CN201921523287U CN210517558U CN 210517558 U CN210517558 U CN 210517558U CN 201921523287 U CN201921523287 U CN 201921523287U CN 210517558 U CN210517558 U CN 210517558U
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- circuit breaker
- plug
- secondary plug
- socket
- limiting
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Abstract
The utility model belongs to the field of switch cabinets, in particular to a removable switch cabinet, a circuit breaker can enter and exit a circuit breaker chamber along the front and back direction, and a test position and a working position are arranged along the pushing stroke; the secondary socket is arranged on one of the cabinet body and the circuit breaker; the secondary plug is movably arranged on the other one of the cabinet body and the circuit breaker through a connecting wire; the secondary plug is fixedly arranged on a cabinet body where the secondary plug is arranged or the circuit breaker, and can move relative to the secondary plug along the front-back direction, when the circuit breaker is in a working position, the limiting part is matched with the secondary plug through a limiting stop surface to prevent the secondary plug from being separated from the secondary socket, and the limiting part is matched with one side of the secondary plug, which is back to the secondary socket, in a stop manner through the limiting stop surface to prevent the secondary plug from being separated from the secondary socket.
Description
Technical Field
The utility model belongs to the cubical switchboard field, concretely relates to remove formula cubical switchboard.
Background
The movable switch cabinet is used as a transmission and distribution control device for receiving and distributing electric energy, and is widely applied to power plants, transformer substations and distribution rooms of industrial and mining enterprises. Wherein, the secondary line between the cabinet body and the circuit breaker realizes switching on and switching off through secondary plug and the secondary socket of putting on the cabinet body and circuit breaker separately, and the plug of secondary socket and secondary plug is by operating personnel manually operation. The secondary circuit is in a connection state, so that the secondary element of the switch cabinet can control the primary element, and tripping and breaking protection can be realized when the circuit fails. The circuit breaker is pushed into the switch cabinet to reach a working position through a test position, and when the circuit breaker is at the test position, a worker is allowed to manually plug and unplug a secondary socket and a secondary plug so as to test the connection condition of a secondary circuit; when the plug is in a working position, the primary loop is connected, and for safety, the secondary plug and the secondary socket are required to be in a plugging state so as to connect a secondary line, and at the moment, a worker is forbidden to manually plug and pull the secondary plug.
In order to prevent that operating personnel from pulling out secondary plug and secondary socket in the maloperation when the circuit breaker is in the work position, among the prior art, can set up interlocking device in the cubical switchboard, if the chinese utility model patent that the bulletin number of authorizing is CN203150980U, the date of authorizing the bulletin is 2013 08 month 21 discloses a heavy current generator export circuit breaker handcart secondary plug interlocking mechanism, this interlocking mechanism is including the L type jam plate that has reset spring, L type jam plate articulates on cubical switchboard handcart compartment roof, the one end of L jam plate forearm still is provided with the gyro wheel, be used for with the shrouding cooperation on the handcart, push in when the handcart, the shrouding touches the forearm, make the jam plate rotate clockwise around the pin joint, the long arm of jam plate has appropriate length, when the handcart reachs the work position, the long arm withstands the secondary plug, ensure that the secondary plug can not be pulled out or become flexible by the maloperation mistake.
Interlocking gear among the prior art can guarantee that the circuit breaker can't be extracted by the secondary plug when being in the work position, but prior art's interlocking gear need carry out special design to the structure of jam plate, need have with roof complex short arm, still need have with plug complex long arm, and in addition, the size precision requirement of long, short arm is higher, otherwise very easily the not in place circumstances of cooperation appears, in addition, the jam plate still need install on the roof through the revolute pair. Naturally, the structure of the switch cabinet using the interlocking mechanism becomes more complicated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a withdrawable switch cabinet to solve among the prior art cubical switchboard for realizing interlocking and lead to the comparatively complicated technical problem of overall structure of cubical switchboard.
In order to achieve the above object, the utility model discloses in remove formula cubical switchboard adopts following technical scheme:
a withdrawable switchgear comprising a cabinet body having a circuit breaker chamber; the circuit breaker can enter and exit the circuit breaker chamber along the front-back direction, and the pushing stroke of the circuit breaker is provided with a test position and a working position which are sequentially arranged along the pushing direction; the secondary socket is fixedly arranged on one of the cabinet body and the circuit breaker; the secondary plug is movably arranged on the other one of the cabinet body and the circuit breaker through a connecting wire; the secondary plug and the secondary socket are inserted and combined along the up-down direction or the left-right direction; the switch cabinet also comprises a limiting piece which is fixedly arranged on the cabinet body where the secondary plug is arranged or the breaker, the limiting piece and the secondary plug can move relatively along the front-back direction, and when the breaker is at a test position, the secondary plug socket and the limiting piece are distributed in a staggered manner in the front-back direction so that the secondary plug can be inserted into the secondary socket; when the breaker is at a working position, the secondary socket and the plug correspond to the limiting piece in the front-back direction; one side of the limiting part facing the secondary plug is provided with a limiting stop surface, and the limiting stop surface is used for being in stop fit with one side of the secondary plug, which is back to the secondary socket, when the circuit breaker is at a working position so as to prevent the secondary plug from being separated from the secondary socket.
The beneficial effects of the utility model reside in that: the limiting piece is fixed on the cabinet body where the secondary plug is arranged or the circuit breaker, when the circuit breaker is at a test position, the secondary socket and the limiting piece are distributed in a staggered manner in the front-back direction, at the moment, the limiting piece can not block the insertion and the closure of the secondary plug and the secondary socket, an operator can perform the insertion and closure operation on the secondary plug and the secondary socket when the circuit breaker is at the test position, after the insertion and closure are completed, the circuit breaker is continuously pushed in, because the secondary plug is movably arranged on one of the cabinet body and the circuit breaker through a connecting wire, the secondary plug and the secondary socket can always keep the insertion and closure in the process of pushing the circuit breaker to a working position, when the circuit breaker reaches the working position, the secondary plug corresponds to the limiting piece in the front-back direction, the limiting piece is in blocking and sealing fit with one side of the secondary plug, which is opposite to the, the secondary plug is prevented from being separated from the secondary socket due to misoperation or loose insertion of an operator when the breaker is at a working position. The limiting part is matched with one side of the secondary plug, which is back to the secondary socket, in a blocking way through the limiting blocking surface, so that the secondary plug can be prevented from being separated from the secondary socket. Compared with the prior art, the utility model provides a locating part is fixed on the cabinet body or circuit breaker, and the locating part need not remove or swing for the cabinet body or circuit breaker, along with pushing of circuit breaker, and the position relation between locating part and the secondary plug changes to the realization dodges and the stop to the secondary plug, the overall structure of locating part is simple, avoids breaking away from by the secondary socket and sets up linkage and lead to the cubical switchboard structure complicacy for preventing the secondary plug.
Furthermore, the limiting part extends along the front-back direction, and the limiting stop surface is arranged on one side of the limiting part.
The beneficial effects are that: the limiting part extends along the front-back direction, and the limiting and stopping surface is arranged on one side of the limiting part, so that the area of the limiting and stopping surface is larger, and the limiting and stopping effect is better.
Furthermore, the limiting piece is a tongue plate, and the limiting and stopping surface is a plate surface on one side of the tongue plate.
The beneficial effects are that: the limiting part is a baffle, and the baffle is in blocking fit with one side of the secondary plug, which is back to the secondary socket, through the plate surface on one side, so that the limiting part and the secondary plug are ensured to have a larger blocking fit surface, and the secondary plug is stably blocked.
Further, the secondary plug is installed on the cabinet body, and the secondary socket is installed on the circuit breaker, has lower baffle on the circuit breaker, has the baffle on the cabinet body, and when the circuit breaker was in the operating position, go up the baffle and separate around with the circuit breaker room with baffle cooperation down, on the locating part was located the orientation circuit breaker one side of baffle, was equipped with the passageway of dodging that supplies the locating part tip to pass on the baffle down.
The beneficial effects are that: the upper baffle plate and the lower baffle plate are matched to separate the front part and the rear part of the circuit breaker chamber, and the upper baffle plate provides an installation base body for the limiting part, so that the limiting part can be conveniently arranged on the cabinet body.
Furthermore, the avoiding channel is an avoiding hole penetrating through the lower baffle.
The beneficial effects are that: the avoiding channel is set to be an avoiding hole, the limiting part penetrates through the avoiding hole to be in stop fit with the secondary plug, the limiting part is restrained by the avoiding hole, and the limiting part is prevented from being deformed under the action of external force and being incapable of being in stop fit with the secondary plug.
Furthermore, the limiting piece is a tongue plate fixedly mounted on the upper partition plate, the tongue plate extends forwards and backwards, a conical guide section is arranged at the end part of the tongue plate, and the conical guide section is used for guiding the end part of the tongue plate to penetrate through the avoidance channel.
The beneficial effects are that: the end part of the tongue plate is provided with a guide section, so that the tongue plate can conveniently enter the avoiding channel.
Furthermore, the tongue plate is arranged on the upper partition plate through the vertical plate, and the tongue plate and the vertical plate are integrally formed or fixed in a split mode.
The beneficial effects are that: the vertical plate is integrally formed or fixed on the tongue plate, so that the installation of the tongue plate on the upper partition plate can be simply and conveniently realized.
Further, the secondary plug is installed on the cabinet body, and the secondary socket is installed on the circuit breaker, and the secondary plug from top to bottom inserts and closes in the secondary socket.
The beneficial effects are that: the secondary plug is installed on the cabinet body, and the secondary socket is installed on the circuit breaker, and the secondary plug from top to bottom inserts and closes in the secondary socket for the simple easy operation of inserting of secondary plug and secondary socket closes.
Drawings
Fig. 1 is a schematic view of a withdrawable switchgear in embodiment 1 of the present invention when a circuit breaker is in a test position;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic view of the withdrawable switchgear in embodiment 1 of the present invention when the circuit breaker is in the working position;
FIG. 4 is an enlarged view of a portion B of FIG. 3;
in the figure: 1-a cabinet body; 2-a circuit breaker; 3-a secondary socket; 4-secondary plug; 5-an upper partition plate; 6-lower baffle; 7-tongue plate; 8-avoiding hole.
Detailed Description
The utility model discloses embodiment 1 of well withdrawable switchgear, as shown in fig. 1, including the cabinet body 1, the indoor circuit breaker 2 that is provided with of circuit breaker of the cabinet body 1, circuit breaker 2 can follow the fore-and-aft direction and pass in and out the circuit breaker room, and the stroke of pushing of circuit breaker 2 has along pushing test position and the work position that the direction was arranged in proper order.
As shown in fig. 2, the circuit breaker 2 is provided with a secondary socket 3, and correspondingly, the cabinet body is provided with a secondary plug 4, and the secondary plug 4 and the secondary socket 3 are plugged to realize the connection of a secondary line in the switch cabinet, so that the secondary element in the switch cabinet can control the primary element. In this embodiment, 3 fixed mounting of secondary socket are at the upside of circuit breaker 2, and secondary plug 3 is movably installed on the cabinet body 1 through connecting wire for when circuit breaker 2 is in experimental position, operating personnel can conveniently take secondary plug 4, and insert secondary plug 4 and close 3 upsides of secondary socket, close the completion back inserting moreover, insert secondary plug 4 that closes on secondary socket 3 and can remove to the work position along with circuit breaker 2.
In addition, in order to divide the circuit breaker chamber forward and backward, the cabinet body 1 is further provided with an upper partition plate 5, correspondingly, the upper side of the circuit breaker 2 is provided with a lower baffle plate 6, the lower baffle plate 6 is arranged at the rear side of the secondary socket 3, and when the circuit breaker 2 is in the working position, the upper partition plate 5 is matched with the lower baffle plate 6 to divide the circuit breaker chamber forward and backward.
In order to ensure that the secondary plug 4 cannot be pulled out by misoperation or separated from the secondary socket 3 due to looseness when the circuit breaker 2 is at a working position, a limiting part is further arranged in the cabinet body 1, the limiting part and the secondary plug 4 can move relatively in the front-back direction, when the circuit breaker 2 is at a test position, the secondary socket 3 and the limiting part are distributed in a staggered manner in the front-back direction, so that an operator can insert and combine the secondary plug 4 and the secondary socket 3, when the circuit breaker 2 is at the working position, as shown in fig. 3 and 4, the secondary socket 3 corresponds to the limiting part 2 in the front-back direction, one side of the limiting part, which faces the secondary plug 4, is a limiting stop surface, the limiting stop surface is in stop fit with one side, which is back to the secondary socket 3, of the secondary plug 4, and the secondary plug 4 cannot be separated from.
In this embodiment, the limiting member is a tongue plate 7, the tongue plate 7 is disposed on one side of the upper partition plate 5 facing the circuit breaker 2, the tongue plate 7 extends in the front-back direction, a lower side plate surface of the tongue plate 7 forms a limiting and stopping surface, and correspondingly, an avoiding channel for the end portion of the tongue plate 7 to pass through is formed in the lower partition plate 6. Further, in order to ensure that the front end of the tongue plate 7 can smoothly enter the avoidance channel, in the embodiment, the end part of the tongue plate 7 is a tapered guide section for guiding the end part of the tongue plate to pass through the avoidance channel. Of course, in other embodiments, the avoidance channel may also be an avoidance groove formed on the upper side of the lower baffle. Under the condition that the width of the avoiding channel is large, the front end of the tongue plate can be provided with no tapered guide section.
In the embodiment of the installation mode of the tongue plate 7 on the upper partition plate 5, a riser is integrally formed on the tongue plate 7, and the tongue plate 7 is riveted on the upper partition plate 5 through the riser. In other embodiments, the tongue plate can be connected to the upper partition plate through a vertical plate bolt, and the vertical plate can be welded and fixed on the tongue plate in the arrangement mode of the vertical plate on the tongue plate. Of course, the vertical plate is not required to be arranged on the tongue plate, and the end part of the tongue plate can be directly welded and fixed on the upper partition plate. For the fixing position of the tongue plate, in other embodiments, the tongue plate may also be fixed on other parts of the cabinet body, such as the cabinet body framework, the side wall plate of the cabinet body, and the like. For the extending direction of the tongue plate, in other embodiments, the tongue plate can be fixed on the side portion of the cabinet body, so that the tongue plate extends along the left-right direction, of course, the tongue plate can also extend up and down, the lower end face of the tongue plate is used for stopping the secondary plug, and the lower end face forms a limiting and stopping face.
The embodiment 2 of the withdrawable switchgear of the present invention is different from the embodiment 1 in that in the embodiment 1, the position-limiting member is a tongue plate. In this embodiment, the limiting member is a limiting rod, and when the limiting rod extends in the front-rear direction or the left-right direction, the circumferential surface of the limiting rod forms a limiting stop surface. The limiting rod can also be fixed on the surface of the cabinet body opposite to the upper end surface of the circuit breaker in an up-down extending mode, and at the moment, the lower end surface of the limiting rod in the axial direction forms a limiting stop surface.
The utility model discloses in embodiment 3 of withdrawable switch cabinet, the difference with embodiment 1 is that, in embodiment 1, the secondary plug sets up on the cabinet body, and the secondary socket sets up at the circuit breaker upside, and secondary plug and secondary socket are inserted along upper and lower direction and are closed. In this embodiment, the secondary socket is disposed on the circuit breaker, the secondary plug is disposed on the cabinet, the secondary plug is inserted into the secondary socket along the left-right direction, correspondingly, the limiting member is disposed on the cabinet, and the limiting stop surface is disposed on one side or one end of the limiting member in the left-right direction. Of course, in other embodiments, the secondary plug may be disposed on the circuit breaker, the secondary socket may be disposed on the cabinet, correspondingly, the limiting member is disposed on the circuit breaker, and the secondary plug is inserted into the secondary socket along the left-right direction. The limiting and stopping surface of the limiting part is perpendicular to the left and right direction.
The utility model discloses in embodiment 4 of withdrawable switch cabinet, the difference with embodiment 1 is that, in embodiment 1, the secondary plug sets up on the cabinet body, and the secondary socket sets up at the circuit breaker upside, and the secondary plug inserts downwards to close on the secondary socket, and the locating part also sets up on the cabinet body. In this embodiment, the secondary plug is disposed on the circuit breaker, the secondary socket is disposed on a surface of the cabinet opposite to the upper side surface of the circuit breaker, the secondary plug is inserted into the secondary socket upward along the vertical direction, correspondingly, the limiting member is disposed on the circuit breaker, and the upper end surface of the limiting member is used as a limiting and stopping surface to limit and stop the secondary plug.
Claims (8)
1. A withdrawable switchgear comprising
A cabinet having a circuit breaker chamber;
the circuit breaker can enter and exit the circuit breaker chamber along the front-back direction, and the pushing stroke of the circuit breaker is provided with a test position and a working position which are sequentially arranged along the pushing direction;
the secondary socket is fixedly arranged on one of the cabinet body and the circuit breaker;
the secondary plug is movably arranged on the other one of the cabinet body and the circuit breaker through a connecting wire;
it is characterized in that the utility model is characterized in that,
the secondary plug and the secondary socket are inserted and combined along the up-down direction or the left-right direction;
the cubical switchboard still includes:
the limiting piece is fixedly arranged on a cabinet body where the secondary plug is arranged or the breaker, the limiting piece and the secondary plug can move relatively along the front-back direction, and when the breaker is at a test position, the secondary socket and the limiting piece are distributed in a staggered mode in the front-back direction so that the secondary plug can be inserted into the secondary socket; when the circuit breaker is at a working position, the secondary socket corresponds to the limiting piece in the front-back direction; one side of the limiting part facing the secondary plug is provided with a limiting stop surface, and the limiting stop surface is used for being in stop fit with one side of the secondary plug, which is back to the secondary socket, when the circuit breaker is at a working position so as to prevent the secondary plug from being separated from the secondary socket.
2. The withdrawable switchgear according to claim 1, characterized in that the said limit piece extends in a front-to-rear direction, the limit stop surface being provided at one side of the limit piece.
3. The withdrawable switchgear according to claim 2, wherein said limit element is a tongue plate, and said limit stop surface is a plate surface of one side of the tongue plate.
4. The withdrawable switchgear according to claim 1, characterized in that the secondary plug is mounted on the cabinet body, the secondary socket is mounted on the circuit breaker, the circuit breaker has a lower baffle, the cabinet body has an upper baffle, when the circuit breaker is in the operating position, the upper baffle and the lower baffle cooperate to separate the circuit breaker chamber from front to back, the limiting member is disposed on the side of the upper baffle facing the circuit breaker, and the lower baffle is provided with an avoiding passage for the end of the limiting member to pass through.
5. The withdrawable switchgear according to claim 4, characterized in that said evacuation channel is an evacuation hole passing through the lower shutter.
6. The withdrawable switchgear according to claim 4 or 5, wherein the said limiting member is a tongue plate fixedly mounted on the upper partition plate, the tongue plate extends forward and backward, and the end of the tongue plate has a tapered guide section for guiding the end of the tongue plate to pass through the escape passage.
7. The withdrawable switchgear according to claim 6, characterized in that said flap is mounted on the upper partition by means of a riser, the flap being integrally formed with the riser or fixed separately.
8. The withdrawable switchgear according to any one of claims 1 to 4, wherein said secondary plug is mounted on the cabinet body, the secondary socket is mounted on the circuit breaker, and the secondary plug is inserted into the secondary socket from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921523287.0U CN210517558U (en) | 2019-09-12 | 2019-09-12 | Movable switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921523287.0U CN210517558U (en) | 2019-09-12 | 2019-09-12 | Movable switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210517558U true CN210517558U (en) | 2020-05-12 |
Family
ID=70569678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921523287.0U Active CN210517558U (en) | 2019-09-12 | 2019-09-12 | Movable switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210517558U (en) |
-
2019
- 2019-09-12 CN CN201921523287.0U patent/CN210517558U/en active Active
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