CN209844389U - Mechanical locking cabinet body of handcart type switch cabinet - Google Patents

Abstract

The utility model relates to a handcart-type cubical switchboard machinery shutting cabinet body, 12kV handcart-type cubical switchboard, lower door is the cubical switchboard of shrouding in order to realize the back, under the condition that the handcart was pulled out, pulls out the key, need not dismantle lower shrouding in the back, opens the maintenance wicket on the shrouding down after this key, moves on the maintenance wicket along the approach rail to the bolt is rotated out, makes the maintenance wicket fall on the bolt, and difficult whereabouts, just can be convenient maintenance or measure the insulation resistance of subordinate's load, the utility model discloses processing is simple, with low costs, simple to operate, safe and reliable. According to the function and the five-prevention requirement, the utility model is designed.

Description

Mechanical locking cabinet body of handcart type switch cabinet

Technical Field

The utility model relates to an electric power facility technical field, in particular to handcart-type cubical switchboard machinery shutting cabinet body.

Background

12kV handcart-type cubical switchboard installs circuit breaker handcart-type before the cabinet, and shrouding under the cabinet after-mounting has following problem: when a maintainer overhauls, the rear lower sealing plate needs to be disassembled and then overhauled, when the field installation space is insufficient, the rear lower sealing plate is close to a wall body, and the rear lower sealing plate cannot be opened, so that the overhaul is inconvenient; secondly, the handcart state cannot be guaranteed before the sealing plate is detached and is not in accordance with the five-prevention safety requirement.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a mechanical shutting cabinet body of handcart-type cubical switchboard, its technical scheme is:

the multifunctional handcart cabinet is characterized in that a circuit breaker panel is arranged at the front part of the handcart room of the circuit breaker, a circuit breaking chamber secondary sealing plate is arranged in the handcart room of the circuit breaker, the circuit breaking chamber secondary sealing plate is fixed on the inner side wall of the cabinet body, a lock catch I is fixed on the circuit breaking chamber secondary sealing plate, a lock body I is arranged on the circuit breaker panel, the lock body I corresponds to the position of the lock catch I, a key is inserted into the lock body I, and the lock block I is extended into or retracted into the lock catch I by the rotation of the key; the shrouding passes through left screw hole to be fixed on the cabinet body down in the back, shrouding mid-mounting has horizontal access door down in the back, at the back of access door and the guide rail of two vertical parallels of the preceding fixed mounting of shrouding down in the back, the access door clamps on the guide rail, and slide from top to bottom along the guide rail, be equipped with the bolt at the middle part of guide rail and on the shrouding down in the back, the embedded observation window of installing in the middle part of access door, at one side fixed mounting lock body II of access door, at lock body II's homonymy and fixed hasp II on the shrouding down in the back, lock body II pins through locking piece II with hasp II, stretching out and retracting of locking piece II are through revolving the key control on.

Furthermore, the key on the lock body II and the key on the lock body I are the same key.

Further, the bus chamber is located the rear of the cabinet body, and the place ahead of the cabinet body is equipped with instrument room, circuit breaker handcart room.

Furthermore, a three-phase main bus is arranged in the bus chamber and erected between the bus sleeves, three branch buses led out from the three-phase main bus are respectively connected with an upper static contact of the circuit breaker handcart, and the upper static contact is located in an upper static contact box.

Furthermore, a handcart type circuit breaker is arranged in a handcart room of the circuit breaker, a lower static contact of the handcart type circuit breaker is connected with the current transformer through a connecting wire, and the lower static contact is located in a lower static contact box.

The utility model has the advantages that: the utility model relates to a handcart-type cubical switchboard machinery shutting cabinet body, 12kV handcart-type cubical switchboard, lower door is the cubical switchboard of shrouding in order to realize the back, under the condition that the handcart was pulled out, pulls out the key, need not dismantle lower shrouding in the back, opens the maintenance wicket on the shrouding down after this key, moves on the maintenance wicket along the approach rail to the bolt is rotated out, makes the maintenance wicket fall on the bolt, and difficult whereabouts, just can be convenient maintenance or measure the insulation resistance of subordinate's load, the utility model discloses processing is simple, with low costs, simple to operate, safe and reliable. According to the function and the five-prevention requirement, the utility model is designed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the circuit breaker panel of the present invention;

FIG. 3 is a schematic view of a rear lower sealing plate structure of the present invention;

FIG. 4 is a side view of FIG. 3;

as shown in the figure, 1 bus-bar room, 2 instrument rooms, 3 circuit breaker handcart rooms, 4 current transformers, 5 sensors, 6 cabinets, 11 bus sleeves, 12 three-phase main buses, 13 branch buses, 14 static contact boxes, 31 lock catches I, 32 handcart type circuit breakers, 33 lock bodies I, 34 lock blocks I, 35 circuit breaker room secondary sealing plates, 36 circuit breaker panels, 40 rear lower sealing plates, 41 observation windows, 42 lock catches II, 43 lock bodies II, 44 maintenance doors, 45 bolts, 46 lock blocks II, 47 guide rails and 48 screw holes.

Detailed Description

As shown in the figure, the utility model provides a handcart-type cubical switchboard machinery shutting cabinet body, including the cabinet body 6, the enclosure space that the baffle encloses the cabinet body 6 is divided into bus-bar room 1, instrument room 2, circuit breaker handcart room 3, mutual-inductor room and sensor room according to the function, bus-bar room 1 is located the rear of the cabinet body 6, and instrument room 2, circuit breaker handcart room 3 and mutual-inductor room are arranged extremely down from last in proper order in the place ahead of the cabinet body 6. The indoor three-phase main bus 12 that is equipped with of generating line, three-phase main bus 12 erect between bus sleeve 11, and the indoor a plurality of stationary contact boxes 14 that are equipped with of generating line are equipped with a static contact in every stationary contact box 14, and three branch bus 13 that three-phase main bus 12 draws out links to each other with the last static contact of circuit breaker handcart respectively, and the static contact that goes up is located last static contact box. A handcart type circuit breaker 32 is arranged in a handcart room of the circuit breaker, a lower static contact is connected with the current transformer 4 through a connecting wire, and the lower static contact is located in a lower static contact box.

A handcart type circuit breaker 32 is arranged in a circuit breaker handcart chamber 3, a circuit breaker panel 36 is arranged at the front part of the circuit breaker handcart chamber 3, a circuit breaker secondary sealing plate 35 is arranged in the circuit breaker handcart chamber 3, the circuit breaker secondary sealing plate is fixed on the inner side wall of a cabinet body, a lock catch I31 is fixed on the circuit breaker secondary sealing plate 35, a lock body I33 is arranged on the circuit breaker panel 36, a key is inserted into the lock body I, a matched lock block I is arranged in the lock body I, and the lock block I34 extends into or retracts into the lock catch I31 due to the rotation of;

the current transformer 4 is arranged at the rear part of the cabinet body and is connected with the lower fixed contact through a grounding copper bar. The current transformer is connected to the sensor 5 by a wiring.

The rear lower sealing plate 40 is fixed on the cabinet body 6 through a screw hole 48 on the left side, a transverse access small door 44 is arranged in the middle of the rear lower sealing plate, two guide rails 47 which are vertically parallel are fixedly arranged on the rear surface of the access small door and in front of the rear lower sealing plate, the back of the access small door 44 is clamped on the guide rails 47 and slides up and down along the guide rails 47, bolts 45 are arranged in the middle of the guide rails 47 and on the rear lower sealing plate, an observation window 41 is embedded in the middle of the access small door, and a person drills into the rear part of the cabinet body, so that the equipment state in the cabinet body can be observed from the inside of the observation; the lock body II43 is fixedly installed on one side of the access small door, the lock catch II42 is fixed on the same side of the lock body II43 and the rear lower closing plate, the lock body II and the lock catch II are locked through a lock block II46, and the extension and retraction of the lock block II46 are controlled by screwing a key on the lock body II 43.

Use a key simultaneously on lock body I and the lock body II, when using, pull out the handcart earlier, the circuit breaker outage, pull out the key on the lock body I, the people bores shrouding position down behind the cabinet body rear portion, shrouding down after need not dismantling, insert in the lock body II with this key, open the maintenance wicket on the shrouding down in the back, move up the maintenance wicket along the approach rail, and use the screw rod to screw out a part of bolt, and the bolt still guarantees to fix on shrouding under the back, let the maintenance wicket fall on the bolt, the maintenance wicket is difficult for whereabouts suitable, just can be convenient stretch out the hand from the maintenance wicket, overhaul or measure the insulation resistance of subordinate's load, the utility model discloses processing is simple, with low costs, simple to operate, safe and reliable, also accord with its function and five prevent requirements.

The utility model discloses mode of operation:

firstly, determining the size and the installation position of an access small door on a rear lower sealing plate of a switch cabinet according to the size of the rear door of the switch cabinet, the size of a program lock, the stroke of the program lock and the locking requirement, wherein the installation position of a lock body (which is installed on the access small door by using a bolt) and the installation position of a lock catch (which is fixed on the rear lower sealing plate by using a bolt) are determined;

secondly, determining the installation positions of a program lock body I (installed on a circuit breaker panel) and a lock catch I (a secondary closing plate of the circuit breaker chamber) of the circuit breaker chamber according to the size and the stroke of the handcart, the size of the program lock, the stroke of the program lock and the locking requirement.

When the operation, the handcart is in operating position, and in figure 1, the handcart is in operating position, and lock body I is located "open" state this moment, and the key can't be extracted, and in the three lock body II of picture this moment, the key is located "closed", and lock piece II on the lock body II stretches out this moment, is pinned by hasp II, and the access door can't be opened, can't be overhauld, prevents to get into electrified interval and guarantees safety.

When overhauling, the handcart is in the test position, in the figure 1, the handcart is in the test position, the program lock on the handcart panel using the key is rotated to be turned off, the lock body I is locked by the lock buckle I, the handcart cannot move, the key is pulled out at the moment, the program lock is inserted into the three lock bodies II, the program lock is rotated to be turned on, the lock block II on the lock body II retracts, the small overhauling door can slide upwards along or the guide rail, the bolt is screwed out partially, the small overhauling door falls on the bolt, and the load is uncharged and the overhauling can be realized.

The utility model relates to a handcart-type cubical switchboard machinery shutting cabinet body, 12kV handcart-type cubical switchboard, lower door is the cubical switchboard of shrouding in order to realize the back, under the condition that the handcart was pulled out, pulls out the key, need not dismantle lower shrouding in the back, opens the maintenance wicket on the shrouding down after this key, moves on the maintenance wicket along the approach rail to the bolt is rotated out, makes the maintenance wicket fall on the bolt, and difficult whereabouts, just can be convenient maintenance or measure the insulation resistance of subordinate's load, the utility model discloses processing is simple, with low costs, simple to operate, safe and reliable. According to the function and the five-prevention requirement, the utility model is designed.

The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make variations, modifications, additions or substitutions within the technical scope of the present invention.

Claims (5)

1. The mechanical locking cabinet body of the handcart type switch cabinet comprises a cabinet body, wherein a circuit breaker handcart chamber is arranged in the front of the cabinet body, and a rear lower sealing plate is arranged at the rear part of the cabinet body; the shrouding passes through left screw hole to be fixed on the cabinet body down in the back, shrouding mid-mounting has horizontal access door down in the back, at the back of access door and the guide rail of two vertical parallels of the preceding fixed mounting of shrouding down in the back, the access door clamps on the guide rail, and slide from top to bottom along the guide rail, be equipped with the bolt at the middle part of guide rail and on the shrouding down in the back, the embedded observation window of installing in the middle part of access door, at one side fixed mounting lock body II of access door, at lock body II's homonymy and fixed hasp II on the shrouding down in the back, lock body II pins through locking piece II with hasp II, stretching out and retracting of locking piece II are through revolving the key control on.

2. The mechanical locking cabinet body of the handcart type switch cabinet as claimed in claim 1, wherein the key on the lock body II and the key on the lock body I are the same key.

3. The mechanical locking cabinet body of the handcart type switch cabinet as claimed in claim 1, further comprising a bus chamber, wherein the bus chamber is located at the rear of the cabinet body, and an instrument chamber and a circuit breaker handcart chamber are arranged in front of the cabinet body.

4. The mechanical locking cabinet body of the handcart type switch cabinet as claimed in claim 3, wherein a three-phase main bus is arranged in the bus chamber, the three-phase main bus is arranged between bus sleeves, three branch buses led out from the three-phase main bus are respectively connected with an upper static contact of a circuit breaker handcart, and the upper static contact is positioned in an upper static contact box.

5. The mechanical locking cabinet body of the handcart type switch cabinet according to claim 1, wherein the handcart type circuit breaker is arranged in a handcart room of the circuit breaker, a lower static contact of the handcart type circuit breaker is connected with the current transformer through a connecting wire, and the lower static contact is located in a lower static contact box.