CN209963547U

CN209963547U - Mechanical interlocking device for metal armored centrally installed switchgear

Info

Publication number: CN209963547U
Application number: CN201920754212.7U
Authority: CN
Inventors: 王三华; 何艳辉; 谭卫光
Original assignee: HUNAN SWITCHGEAR Co Ltd
Current assignee: HUNAN SWITCHGEAR Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-01-17
Anticipated expiration: 2029-05-24

Abstract

The utility model belongs to the technical field of in put cabinet technique and specifically relates to a put cabinet mechanical interlocking device in metal armor formula, the intelligent cabinet temperature adjusting device comprises a cabinet body, one side hinged joint of the cabinet body has the cabinet door, the pull groove has been seted up on the cabinet door, through interlocking device fixed connection between the cabinet body and the cabinet door, interlocking device includes the fixed block of fixed mounting in cabinet door side, fixed mounting has fixed box on the cabinet body that the fixed block corresponds the position, one side horizontally connect that the fixed block is close to the fixed block has the dead lever, the jack has been seted up on the fixed box that the dead lever corresponds the position, the dead lever passes through inside jack cartridge to fixed box. The utility model discloses, simple structure, convenient operation, the cost of manufacture is low, and the operational safety can be strong, has good self-locking function simultaneously.

Description

Mechanical interlocking device for metal armored centrally installed switchgear

Technical Field

The utility model relates to an in put cabinet technical field, especially relate to a put cabinet machinery interlock in metal armor formula.

Background

The centrally installed switchgear is fully called as metal armored centrally installed withdrawable switchgear. The indoor complete distribution equipment belongs to a high-voltage distribution equipment, has the highest working voltage of 3.6/7.2/12kV, is a three-phase alternating current 50Hz single-bus segmented system or double-bus segmented system, is used for receiving and distributing 3.6-12kV network electric energy, and carries out control protection, monitoring and measurement on a power circuit. The central switch cabinet is mainly used for power plants, power transmission of small and medium-sized generators, power receiving and power transmission of secondary substations of power systems, power distribution of industrial and mining enterprises and institutions, starting of large-scale high-voltage motors and the like.

In order to improve the use safety of the centrally installed switchgear, an interlocking device is usually installed on the centrally installed switchgear, and the interlocking device includes: the mechanical interlocking device for the metal armored centrally installed switchgear has the advantages that the mechanical interlocking device is electrically interlocked, an indirect program lock interlocking mode is adopted, a handcart and locking electromagnet interlocking mode, a mechanical interlocking mode and the like are adopted, the existing mechanical interlocking structure is complex, the operation safety is poor, and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that there are structure complicacy, operational safety poor, with high costs among the prior art, and put out cabinet machinery interlock in the metal armor formula that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a metal armored centrally installed switchgear mechanical interlocking device is designed, and comprises a cabinet body, wherein a cabinet door is hinged to one side of the cabinet body, a pull groove is formed in the cabinet door, the cabinet body and the cabinet door are fixedly connected through an interlocking mechanism, the interlocking mechanism comprises a fixed block fixedly installed on the side face of the cabinet door, a fixed box is fixedly installed on the cabinet body at the position corresponding to the fixed block, one side, close to the fixed block, of the fixed block is horizontally connected with a fixed rod, a jack is formed in the fixed box at the position corresponding to the fixed rod, the fixed rod is inserted into the fixed box through the jack, a U-shaped rod is vertically connected to the bottom of one end, far away from the fixed block, in the fixed box, a sliding block is sleeved at two ends of the U-shaped rod in a sliding mode, a second spring is sleeved at two ends of the U-shaped rod at the bottom of, the limiting groove is formed in the bottom end of the fixing rod at the position corresponding to the limiting rod, the limiting rod is inserted into the limiting groove, a driving mechanism is arranged between the sliding block and the fixing rod, and an unlocking mechanism is arranged inside the fixing rod.

Preferably, actuating mechanism installs the inside gear at fixed box including rotating, the vertical connection pinion rack of one end that the slider is close to the gear, intermeshing between gear and the pinion rack, just a plurality of and gear assorted sawtooth are installed to the bottom that the dead lever is close to pinion rack one end.

Preferably, the release mechanism is including seting up the logical groove in the dead lever inside, the supporting shoe is installed to the inside intermediate position of leading to the groove, it has T type pole to lead to the cartridge that slides on the fixed block of groove corresponding position, the one end that T type pole is close to the dead lever extends to and leads to the inslot and the tip runs through the supporting shoe and be connected with the ejector pad, the cover is equipped with first spring on the T type pole between ejector pad and the supporting shoe the one end that ejector pad and gag lever post are close to each other all is the slope form and sets up, just the top that the ejector pad one end was kept away from to the gag lever post.

Preferably, a positioning pin is inserted on the T-shaped rod on one side, far away from the fixing box, of the fixing block, and the positioning pin abuts against the fixing block.

Preferably, the toothed plate, the limiting rod and the sliding block are of an integrally formed structure and are made of stainless steel materials.

The utility model provides a put cabinet machinery interlock in metal armor formula, beneficial effect lies in: through setting up actuating mechanism to can promote interlocking device and carry out fixed connection with the cabinet body and cabinet door, realize the automatic locking function with this, through setting up release mechanism, can carry out the unblock to interlocking device, be convenient for separate the cabinet body and cabinet door. The utility model discloses, simple structure, convenient operation, the cost of manufacture is low, and the operational safety can be strong, has good self-locking function simultaneously.

Drawings

Fig. 1 is a schematic structural view of a metal armored centrally installed switchgear mechanical interlocking device provided by the present invention;

fig. 2 is a schematic structural view of an interlocking mechanism of a metal armored centrally installed switchgear mechanical interlocking device provided by the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the cabinet body 1, the cabinet door 2, the kerve 3, the T-shaped rod 4, the fixed box 5, the through groove 6, the fixed rod 7, the supporting block 8, the first spring 9, the sawtooth 10, the push block 11, the U-shaped rod 12, the limiting groove 13, the limiting rod 14, the sliding block 15, the second spring 16, the toothed plate 17, the gear 18, the jack 19, the fixed block 20 and the positioning pin 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a mechanical interlocking device for a metal armored centrally installed switchgear, comprising a cabinet body 1, a cabinet door 2 hinged to one side of the cabinet body 1, a pull groove 3 formed on the cabinet door 2, the cabinet body 1 and the cabinet door 2 fixedly connected through an interlocking mechanism, the interlocking mechanism comprising a fixing block 20 fixedly installed on the side surface of the cabinet door 2, a fixing box 5 fixedly installed on the cabinet body 1 at the position corresponding to the fixing block 20, a fixing rod 7 horizontally connected to one side of the fixing block 20 close to the fixing block 20, a jack 19 formed on the fixing box 5 at the position corresponding to the fixing rod 7, the fixing rod 7 inserted into the fixing box 5 through the jack 19, a U-shaped rod 12 vertically connected to the bottom of one end of the fixing box 5 far from the fixing block 20, sliders 15 slidably sleeved at both ends of the U-shaped rod 12, second springs 16 sleeved at both ends of the U-shaped rod 12 at the bottom of, the limiting rod 14 penetrates through the U-shaped rod 12 and extends to the top of the U-shaped rod, a limiting groove 13 is formed in the bottom end of the fixing rod 7 at the position corresponding to the limiting rod 14, the limiting rod 14 is inserted into the limiting groove 13, a driving mechanism is arranged between the sliding block 15 and the fixing rod 7, an unlocking mechanism is arranged inside the fixing rod 7, the driving mechanism comprises a gear 18 rotatably mounted inside the fixing box 5, one end, close to the gear 18, of the sliding block 15 is vertically connected with a toothed plate 17, the gear 18 is meshed with the toothed plate 17, a plurality of sawteeth 10 matched with the gear 18 are mounted at the bottom of one end, close to the toothed plate 17, of the fixing rod 7, the toothed plate 17, the limiting rod 14 and the sliding block 15 are of; at the dead lever 7 to the inside in-process of cartridge of fixed box 5, the sawtooth 10 can promote gear 18 and rotate, gear 18 is at rotatory in-process, can promote pinion rack 17 downstream simultaneously, thereby drive slider 15 and gag lever post 14 downstream, and second spring 16 is compression state, when the spacing groove 13 of dead lever 7 bottom corresponds with gag lever post 14 position, sawtooth 10 is the separation state with gear 18, thereby second spring 16 resets, promote slider 15 upstream, and pinion rack 17 can drive gear 18 antiport, it can to cause gag lever post 14 cartridge inside spacing groove 13.

The unlocking mechanism comprises a through groove 6 arranged in a fixed rod 7, a supporting block 8 is arranged in the middle of the inside of the through groove 6, a T-shaped rod 4 is inserted on a fixed block 20 at a position corresponding to the through groove 6 in a sliding mode, one end, close to the fixed rod 7, of the T-shaped rod 4 extends into the inside of the through groove 6, the end portion of the T-shaped rod 4 penetrates through the supporting block 8 and is connected with a push block 11, a first spring 9 is sleeved on the T-shaped rod 4 between the push block 11 and the supporting block 8, the ends, close to each other, of the push block 11 and a limiting rod 14 are arranged in an inclined mode, the top of one end, far away from the push block 11, of the limiting rod 14 is arranged in a circular arc mode, a positioning; through locating pin 21, thereby can carry out spacing work to T type pole 4, the safety in utilization of this device of effectual improvement, when needs are with the cabinet body 1 with cabinet door 2 separation, take off locating pin 21, press T type pole 4 simultaneously, thereby can promote ejector pad 11 and slide in leading to groove 6 inside, and first spring 9 is tensile state, ejector pad 11 is at the in-process that removes, can promote gag lever post 14 simultaneously, thereby can cause gag lever post 14 to remove downwards, because the top that gag lever post 14 kept away from ejector pad 11 one end is arc setting, thereby it can to take dead lever 7 out from fixed box 5 inside.

The utility model discloses: with the cabinet body 1 with cabinet door 2 fold to actuating mechanism can promote interlocking device and carry out fixed connection with the cabinet body 1 and cabinet door 2, with this automatic locking function of having realized, can unblock interlocking device through release mechanism, is convenient for separate the cabinet body 1 and cabinet door 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A mechanical interlocking device of a metal armored centrally-mounted switchgear comprises a switchgear body (1), one side of the switchgear body (1) is hinged with a cabinet door (2), a pull groove (3) is formed in the cabinet door (2), the mechanical interlocking device is characterized in that the cabinet body (1) and the cabinet door (2) are fixedly connected through an interlocking mechanism, the interlocking mechanism comprises a fixed block (20) fixedly installed on the side face of the cabinet door (2), a fixed box (5) is fixedly installed on the cabinet body (1) at the position corresponding to the fixed block (20), one side, close to the fixed block (20), of the fixed block (20) is horizontally connected with a fixed rod (7), a jack (19) is formed in the fixed box (5) at the position corresponding to the fixed rod (7), the fixed rod (7) is inserted into the fixed box (5) through the jack (19), and a U-shaped rod (12) is vertically connected to the bottom of one end, far away from the fixed, the utility model discloses a safety lock, including U type pole (12), stopper groove (13) and dead lever (7), the common slip cover in both ends of U type pole (12) is equipped with slider (15), the U type pole (12) both ends of slider (15) bottom all are equipped with second spring (16), just the top vertical connection of slider (15) has gag lever post (14), gag lever post (14) run through U type pole (12) and extend to its top, gag lever post (14) correspond dead lever (7) bottom of position and have seted up spacing groove (13), gag lever post (14) cartridge is to inside spacing groove (13) be equipped with actuating mechanism between slider (15) and dead lever (7), just dead lever (7) inside is equipped with release mechanism.

2. The mechanical interlocking device of the metal armored centrally-mounted switchgear according to claim 1, wherein the driving mechanism comprises a gear (18) rotatably mounted inside the fixed box (5), one end of the sliding block (15) close to the gear (18) is vertically connected with a toothed plate (17), the gear (18) and the toothed plate (17) are engaged with each other, and the bottom of the fixed rod (7) close to one end of the toothed plate (17) is provided with a plurality of saw teeth (10) matched with the gear (18).

3. The mechanical interlocking device of the metal armored centrally installed switchgear according to claim 1, the unlocking mechanism comprises a through groove (6) arranged in the fixed rod (7), a supporting block (8) is arranged in the middle of the through groove (6), a T-shaped rod (4) is inserted on the fixed block (20) at the corresponding position of the through groove (6) in a sliding way, one end of the T-shaped rod (4) close to the fixed rod (7) extends into the through groove (6) and the end part penetrates through the supporting block (8) to be connected with a push block (11), a first spring (9) is sleeved on the T-shaped rod (4) between the push block (11) and the supporting block (8), one end of the push block (11) close to the limiting rod (14) is arranged in an inclined shape, and the top of one end of the limiting rod (14) far away from the push block (11) is arranged in a circular arc shape.

4. The mechanical interlocking device of the metal armored centrally installed switchgear according to claim 3, wherein a positioning pin (21) is inserted on the T-shaped rod (4) on the side of the fixing block (20) far away from the fixing box (5), and the positioning pin (21) abuts against the fixing block (20).

5. The mechanical interlocking device of the metal armored centrally-installed switchgear according to claim 2, wherein the toothed plate (17), the limiting rod (14) and the sliding block (15) are of an integrally-formed structure and are made of stainless steel materials.