CN108879391B - Switch cabinet and cabinet body, mutual-inductor installation device thereof - Google Patents
Switch cabinet and cabinet body, mutual-inductor installation device thereof Download PDFInfo
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- CN108879391B CN108879391B CN201810614531.8A CN201810614531A CN108879391B CN 108879391 B CN108879391 B CN 108879391B CN 201810614531 A CN201810614531 A CN 201810614531A CN 108879391 B CN108879391 B CN 108879391B
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- 238000009434 installation Methods 0.000 title claims abstract description 56
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- 238000003466 welding Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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Abstract
The invention relates to a switch cabinet, a cabinet body of the switch cabinet and a mutual inductor installation device, wherein the mutual inductor installation device comprises a sliding rail used for being fixed on a side plate of the cabinet body, a fixing structure used for fixing a mutual inductor on the side plate of the cabinet body, and a mutual inductor connecting structure which corresponds to a single mutual inductor and is fixed on the mutual inductor, wherein the mutual inductor connecting structure is in sliding fit with the sliding rail so that the single mutual inductor can be assembled to a set position on the side plate of the cabinet body in a sliding way. Because the mutual-inductor is single slip assembly, when the mutual-inductor that is located the outside breaks down, only need with outside mutual-inductor tear down carry on the change of mutual-inductor can, labour saving and time saving. The problem of among the prior art carry out the change operation of mutual-inductor need pull down all mutual-inductors, change inconvenient is solved.
Description
Technical Field
The invention relates to a switch cabinet, a cabinet body and a mutual inductor installation device thereof.
Background
At present, most of switch equipment in a switch cabinet is in a three-phase transverse arrangement mode, the width of a cabinet body of the switch cabinet is generally more than 800mm, along with the gradual improvement of the technical development of the switch cabinet, the reliability of the switch cabinet is improved, and meanwhile, the switch cabinet gradually develops towards modularization and miniaturization. The three-phase longitudinal arrangement mode is adopted for installation, so that the depth dimension of the switch cabinet can be effectively utilized, and the width dimension of the switch cabinet is reduced. The four corners of the traditional mutual inductor are provided with four mounting holes, the traditional mutual inductor is mounted in a cable chamber of a switch cabinet in a four-bolt fixing mode, and only one mounting person can enter the cable chamber. When the mutual-inductor adopts the vertical arrangement mode installation, because the reduction of cubical switchboard width has restricted the installation space of mutual-inductor, can only hold down and install the mutual-inductor alone in the cubical switchboard, not only will hold up the mutual-inductor alone but also will tighten the bolt, the installation is very difficult, and is very unsafe moreover, causes the installation problem of mutual-inductor from this.
The Chinese patent with the publication number of CN205029178U and publication date of 2016.02.10 discloses a mounting device for a high-voltage switch cabinet mutual inductor, which comprises a cabinet body 1, wherein one side of the cabinet body is provided with a side plate 2, and the inner wall of the side plate 2 is provided with a retention component and an insertion displacement component; the fixing component comprises a pair of cross beams 3 which are distributed at intervals, and mounting supports 4 are respectively arranged at two ends between the two cross beams 3; the insertion displacement assembly comprises a guide fixed cross beam 5 and a mutual inductor 6, the guide fixed cross beam 5 is distributed at intervals, the guide fixed cross beam 5 is fixed with the installation support piece 4, mutual inductor plugboards are respectively arranged on the upper portion and the lower portion of the mutual inductor 6, and the mutual inductor plugboards are connected with the guide fixed cross beam 5 in a guide sliding mode. The mounting support 4 and the beam 3 are fixed through a connecting plate 8, and the mutual inductor 6 and the guide fixing beam 5 are fixed through bolts. This installation device of high tension switchgear mutual-inductor constitutes an installing module with the mutual-inductor installation on the mutual-inductor picture peg, embolias the guide way that direction fixed cross beam constitutes with the module, push away to corresponding position after with bolt fastening module, can alone accomplish whole installation process alone, have labour saving and time saving's advantage, however, when carrying out the maintenance of mutual-inductor and changing, need dismantle whole mutual-inductor module and get off, install the mutual-inductor module after changing again and fix, the mutual-inductor overhauls the inconvenient problem of change.
Disclosure of Invention
The invention aims to provide a switch cabinet, which aims to solve the problems that all transformers need to be disassembled when the transformers are replaced and the replacement is inconvenient in the prior art; the invention also aims to provide a switch cabinet body and a mutual inductor installation device.
The mutual inductor installation device adopts the following technical scheme:
scheme 1, mutual-inductor installation device are including being used for fixing the slide rail on the cabinet side board and being used for fixing the fixed knot structure on the cabinet side board with the mutual-inductor, and mutual-inductor installation device still includes and is used for corresponding and fixing the mutual-inductor connection structure on the mutual-inductor with single mutual-inductor, mutual-inductor connection structure and slide rail sliding fit so that single mutual-inductor sliding fit to the settlement position on the cabinet side board. Mutual-inductor connection structure corresponds and fixes on the mutual-inductor with single mutual-inductor, through mutual-inductor connection structure with fix the setting position on the cabinet side board with single mutual-inductor sliding assembly, then through fixed knot construct with the stable fixing of mutual-inductor on cabinet side board, mounting structure is simple. In addition, because the mutual inductor is assembled in a single sliding mode, when the mutual inductor positioned outside breaks down, the mutual inductor is replaced only by detaching the external mutual inductor, and time and labor are saved. The problem of among the prior art carry out the change operation of mutual-inductor need pull down all mutual-inductors, change inconvenient is solved.
Scheme 7, on the basis of scheme 6, the slot type slide rail is the dovetail slot type slide rail. The dovetail groove can ensure that the hook is stably hung on the groove wall when sliding.
Scheme 9, on the basis of scheme 8, the backup pad is the U-shaped board, the U-shaped board has the cabinet body curb plate fixed part that is used for with cabinet body curb plate fixed and is used for with the mutual-inductor fixed part, two parts that are parallel to each other of U-shaped board constitute mutual-inductor fixed part and cabinet body curb plate fixed part respectively. The U-shaped plate has a simple structure, and facilitates the respective fixation of the supporting plate, the cabinet body side plate and the mutual inductor.
Scheme 11, on the basis of scheme 1 or 2 or 3, the transformer installation apparatus further includes a limiting member for being fixed at an end surface of the sliding rail along the length direction to limit the transformer connection structure within the sliding rail. The limiting part can effectively prevent the mutual inductor connecting structure from sliding out of the sliding rail when the sliding rail is in sliding fit, and the safety of the installation process of the mutual inductor is ensured.
Scheme 12 is based on scheme 11, a slide rail hole is formed in the end face of the slide rail along the length direction, and a limiting part hole corresponding to the slide rail hole is formed in the limiting part and used for allowing a bolt to penetrate through and fixing the limiting part on the slide rail. The fixed connection of locating part and slide rail is conveniently carried out through the locating part hole.
Scheme 13 shows that on the basis of scheme 11, the limiting member comprises a folded edge for stop-matching with a surface of the mutual inductor, which faces away from a side plate of the cabinet body. The limit of the limit part on the freedom degree of the mutual inductor can be increased through the folded edge, and the connection stability of the mutual inductor is improved.
The switch cabinet body adopts the following technical scheme:
scheme 1, the switch cabinet body includes cabinet side board and mutual-inductor installation device, mutual-inductor installation device is including fixing the slide rail on cabinet side board and being used for fixing the fixed knot structure on cabinet side board with the mutual-inductor, and mutual-inductor installation device still includes the mutual-inductor connection structure that is used for corresponding and fixing on the mutual-inductor with single mutual-inductor, mutual-inductor connection structure and slide rail sliding fit so that single mutual-inductor sliding assembly sets for the position to cabinet side board.
Scheme 7, on the basis of scheme 6, the slot type slide rail is the dovetail slot type slide rail.
Scheme 9, on the basis of scheme 8, the slide rail is arranged along the upper and lower direction of the switch cabinet body with the backup pad.
Scheme 11, on the basis of scheme 10, the transformer fixing portion is provided with a supporting plate hole corresponding to the mounting hole of the transformer for the bolt to pass through and fixing the transformer on the supporting plate.
Scheme 12, on the basis of scheme 1 or 2 or 3, the transformer installation apparatus further includes a limiting member for fixing at an end surface of the sliding rail along the length direction to limit the transformer connection structure within the sliding rail.
Scheme 13 is that on the basis of scheme 12, a slide rail hole is formed in an end face of the slide rail along the length direction, and a limiting part hole corresponding to the slide rail hole is formed in the limiting part and used for allowing a bolt to pass through and fixing the limiting part on the slide rail.
Scheme 14, on the basis of scheme 12, the limiting member includes a folded edge for stop-fitting with a surface of the transformer, the surface facing away from the cabinet side plate.
The switch cabinet adopts the following technical scheme:
scheme 1, cubical switchboard include the cubical switchboard cabinet body and mutual-inductor, the cubical switchboard cabinet body includes cabinet side board and mutual-inductor installation device, mutual-inductor installation device is including fixing the slide rail on cabinet side board and fixing the fixed knot structure on cabinet side board with the mutual-inductor, and mutual-inductor installation device still includes and corresponds and fix the mutual-inductor connection structure on the mutual-inductor with single mutual-inductor, and mutual-inductor connection structure and slide rail sliding fit so that single mutual-inductor sliding assembly set for the position to cabinet side board.
Scheme 7, on the basis of scheme 6, the slot type slide rail is the dovetail slot type slide rail.
Scheme 9, on the basis of scheme 8, the slide rail is arranged along the upper and lower direction of the switch cabinet body with the backup pad.
Scheme 11, on the basis of scheme 10, the transformer fixing portion is provided with a supporting plate hole corresponding to the mounting hole of the transformer for the bolt to pass through and fixing the transformer on the supporting plate.
Scheme 12, on the basis of scheme 1 or 2 or 3, the transformer installation apparatus further includes a limiting member fixed at an end surface of the sliding rail along the length direction to limit the transformer connection structure to be located in the sliding rail.
Scheme 13 is that on the basis of scheme 12, a slide rail hole is formed in an end face of the slide rail along the length direction, and a limiting part hole corresponding to the slide rail hole is formed in the limiting part and used for allowing a bolt to pass through and fixing the limiting part on the slide rail.
In the scheme 14, on the basis of the scheme 12, the limiting member includes a folded edge in stop fit with a surface of the transformer, the surface being opposite to the side plate of the cabinet.
The invention has the beneficial effects that: the mutual inductor is installed and fixed through the mutual inductor installation device, on one hand, a hook fixed on the mutual inductor is in sliding fit with a sliding rail fixed on a side plate of the cabinet body, and then the fixed installation is carried out through a fixed structure, so that the installation, the fixation and the operation are convenient; on the other hand, because the mutual-inductor is single slip assembly, when the mutual-inductor that is located the outside breaks down, only need with outside mutual-inductor tear down carry on the change of mutual-inductor can, need not tear down the mutual-inductor, labour saving and time saving. The problem of among the prior art carry out the change operation of mutual-inductor need pull down all mutual-inductors, change inconvenient is solved.
Drawings
Fig. 1 is a schematic structural diagram of a mounting device for a transformer of a high-voltage switchgear in the prior art;
FIG. 2 is a schematic structural diagram of an embodiment of the switchgear of the present invention;
FIG. 3 is a schematic diagram of a transformer installation of a switchgear embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along line A of FIG. 3;
FIG. 5 is a schematic structural view of the mutual inductor in FIG. 2 fixed on a connecting plate;
FIG. 6 is a cross-sectional view of the left side view of FIG. 5;
FIG. 7 is a schematic structural diagram of the limiting element in FIG. 3;
FIG. 8 is a front view of the stop of FIG. 3;
in fig. 1: 2-side plate, 3-beam, 4-mounting support, 5-guiding fixed beam, 6-mutual inductor and 8-connecting plate;
in fig. 2 to 8: 10-switch cabinet body, 20-cable chamber, 30-limiting piece, 40-mounting hole, 50-sliding rail, 60-connecting plate, 70-supporting plate, 100-cabinet body side plate, 301-limiting piece hole, 310-A mutual sensor, 320-B mutual sensor, 330-C mutual sensor and 601-hook.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In the embodiment of the switch cabinet of the present invention, as shown in fig. 2 to 8, the switch cabinet includes a switch cabinet body 10, and a transformer and other electrical components (not shown) are mounted on the switch cabinet body 10. The switch cabinet 10 in this embodiment includes a cable chamber 20, and the transformer is mounted on a cabinet side plate 100 of the cable chamber 20. Install three mutual-inductor on cabinet body curb plate 100 in this embodiment, be A mutual inductor 310, B mutual inductor 320 and C mutual inductor 330 respectively, and three mutual-inductor is voltage transformer, and wherein C mutual inductor 330 is close to the front end setting of switch cabinet body 10, and A mutual inductor 310 is close to the rear end setting of switch cabinet body 10. In order to facilitate the installation of the mutual inductor on the cabinet side plate 100, a mutual inductor installation device is fixed on the cabinet side plate 100, and the mutual inductor installation device comprises a slide rail 50 fixed on the cabinet side plate 100 and a fixing structure for fixing the mutual inductor on the cabinet side plate 100. The transformer mounting device further comprises a transformer connecting structure corresponding to the single transformer and fixed on the transformer, wherein the transformer connecting structure is in sliding fit with the sliding rail 50 to slidably assemble the single transformer at a set position on the cabinet side plate 100. In order to facilitate the installation and fixation of the mutual inductor, the mutual inductor connection structure comprises a hanging part for hanging the mutual inductor on the sliding rail 50, the hanging part in the embodiment is a hook 601, and the mutual inductor is hung on the cabinet body side plate 100 through the hook 601 and the sliding rail 50 in a hook matching manner. It should be noted that the slide rail 50 in this embodiment is fixed on the cabinet side plate 100 by welding, and in other embodiments, the slide rail may be fixed on the cabinet side plate 1 by bonding, riveting or bolting; the mutual inductor connecting structure can also be a slide block clamped in the slide rail or other structures which are in sliding fit with the slide rail; the hanging part can also be a chute matched with the sliding rail hook, and the mutual inductor is connected in the chute; the corresponding mutual inductor connecting structure comprises a sliding matching part corresponding to each sliding rail, and after the mutual inductor connecting structure slides in place, the mutual inductor is fixed on a cabinet body side plate through the fixing structure; the transformer may also be a current transformer.
The single mutual inductor is assembled on the cabinet body side plate 100 in a sliding way through the sliding fit of the sliding rail 50 and the hook 601, and the mutual inductor can be conveniently hung on the cabinet body side plate 100 through the hook matching of the hook 601 and the sliding rail 50. After the mutual inductor is hung on the sliding rail 50, the mutual inductor is fixed through the fixing structure, and the mutual inductor is stably installed on the cabinet side plate 100. The transformer mounting device is simple in structure and convenient to mount and operate, auxiliary mounting can be performed by means of related lifting tools, and the assembly efficiency of the transformer is effectively improved. In addition, because mutual-inductor connection structure corresponds with single mutual-inductor, every mutual-inductor constitutes an installing module alone, when the mutual-inductor that is in the outside needs to be changed, only need carry out the dismantlement of single mutual-inductor, installation operation, labour saving and time saving has solved the change operation that carries out the mutual-inductor that exists among the prior art and need pull down all mutual-inductors, changes inconvenient problem.
As shown in fig. 4, the slide rail 50 in this embodiment is a groove-type slide rail and is a dovetail-type slide rail, which can ensure that the hook 601 is stably hung on the groove wall when sliding. The hook 601 in this embodiment is another dovetail groove structure that is matched with the slide rail 50, so as to stably hang the transformer on the side plate of the cabinet. In consideration of the problem of positioning between adjacent transformers during sliding assembly of the transformers, the transformer connecting structure further comprises a connecting plate 60 connected with the transformers, the hooks 601 are fixed on the connecting plate 60, and the end faces, close to each other, of the two connecting plates 60 are in stop fit to achieve positioning between the two transformers fixed on the connecting plate 60. As shown in fig. 2, after the C mutual sensor 330 is fixedly mounted, the B mutual sensor 320 is pushed in the direction from the mounting position of the a mutual sensor 310 to the C mutual sensor 330 by the sliding engagement of the hook 601 and the slide rail 50, and is pushed into place when the connecting plate 60 fixed to the B mutual sensor 320 is in stop engagement with the end surface of the connecting plate 60 fixed to the C mutual sensor 330. Not only plays the effect of fixed mutual-inductor through connecting plate 60, and has the positioning action, has guaranteed the interval between the three-phase mutual-inductor. In addition, the connecting plate has better structural strength, and can prevent the mutual inductor from being damaged by touching between the mutual inductors when the mutual inductor slides. It should be noted that, in this embodiment, the connecting plate 60 is a strip-shaped connecting plate, and the phase distances between the three-phase transformers are the same, and are all 210mm, so that the length of the connecting plate 60 is 210mm to ensure the phase distance between the three-phase transformers. In other embodiments, the distances between the three-phase transformers may be different, and the length of the connecting plate is adjusted according to the distance between the phases. In other embodiments, on the premise of ensuring that the hook can be hung on the slide rail, the slide rail can also be a bump type slide rail, and only the hook is required to be ensured to correspond to the corresponding matching surface on the slide rail; the groove-type slide rail can also be a U-shaped groove or other groove-shaped structures which are convenient for hanging the mutual inductor; or the connecting plate is not arranged, and the hook is directly fixed on the mutual inductor; the connecting plate and the mutual inductor can be fixed in a welding mode, an adhesion mode and the like.
Considering that the hook 601 may slide out of one end of the slide rail 50 or even be separated from the slide rail 50 when the mutual inductor is installed and the hook 601 is slidably engaged along the slide rail 50, the mutual inductor installation apparatus in this embodiment further includes a limiting member 30 for fixing at an end surface of the slide rail 50 in the length direction to limit the hook 601 from being located in the slide rail 50. A slide rail hole is formed in an end surface of the slide rail 50 in the length direction, and correspondingly, as shown in fig. 7 and 8, a stopper hole 301 corresponding to the slide rail hole is formed in the stopper 30 to allow a bolt to pass therethrough and fix the stopper 30 to the slide rail 50. In addition, as shown in fig. 3, the limiting member 30 further includes a folded edge in stop-fit with the transformer, and the folded edge is in stop-fit with a surface of the transformer facing away from the cabinet side plate 100 when the limiting member 30 is fixed on the slide rail 50. Through locating part 30, not only can prevent effectively that couple 601 roll-off slide rail 50 fixed on the mutual-inductor is outside, also can carry out better spacing to the mutual-inductor along the width direction of cubical switchboard, increased the connection stability of mutual-inductor. In other embodiments, no limiting member may be provided; the limiting piece can also be fixed on the side plate of the cabinet body; the limiting part can also be a straight plate without a hem or other structures which are convenient for positioning the hook.
As shown in fig. 3, in order to facilitate connection and fixation of the mutual inductor, the fixing structure in this embodiment includes a supporting plate 70 fixed on the cabinet side plate 100, the supporting plate 70 is fixedly installed on the mutual inductor to fix the mutual inductor on the cabinet side plate 100, and a mutual inductor fixing surface fixedly connected with the mutual inductor is provided on the supporting plate 70. It should be noted that, in this embodiment, the sliding rail 50 and the supporting plate 70 are both provided with one, and the sliding rail 50 and the supporting plate 70 are arranged along the up-down direction of the switch cabinet 10, so that the upper side of the transformer is hung on the cabinet side plate 100 through the hook matching of the hook 601 and the sliding rail 50, the lower side of the transformer is fixed on the cabinet side plate 100 through the supporting plate 70, and the transformer installation device is simple and is convenient to install and fix. In other embodiments, the supporting plate and the sliding rail can also be arranged along the up-down direction of the switch cabinet body; more than two sliding rails can be arranged at intervals along the up-down direction of the switch cabinet body, and the supporting plate can be arranged between the adjacent sliding rails or below the lowest sliding rail or above the highest sliding rail; the backup pad also can be equipped with more than two along the upper and lower direction interval of the cubical switchboard cabinet body, and each backup pad can all be located the top or the below of slide rail this moment, also can arrange the both sides of direction about the slide rail.
In this embodiment, the support plate 70 is a U-shaped plate having a cabinet side plate fixing portion for fixing with the cabinet side plate 100 and a transformer fixing portion for fixing with the transformer, and two mutually parallel portions of the U-shaped plate constitute the transformer fixing portion and the cabinet side plate fixing portion, respectively. The transformer fixing portion is provided with mounting holes 40 corresponding to the mounting holes of the transformer for bolts to pass through and fix the transformer to the support plate 70. It should be noted that, in order to facilitate the fixation of the mutual inductor, a nut is welded or riveted at one end of the support plate hole, which is far away from the mutual inductor. In addition, in order to ensure that the mutual inductor is in the vertical position, the thickness of the supporting plate in the width direction of the switch cabinet in the embodiment is equal to the total thickness of the sliding rail 50 and the connecting plate 60. In other embodiments, the mutual inductor can be directly fixed on the side plate of the cabinet body without arranging a supporting plate; the supporting plate can also be formed by a part of the side plate of the cabinet body which extends into the switch cabinet; the supporting plate can also be an I-shaped plate, a Z-shaped plate and other structures which are convenient to be fixed with the mutual inductor and the side plate of the cabinet body respectively; the supporting plate can be not provided with a supporting plate hole, and the mutual inductor is directly fixed on the supporting plate in a welding or bonding mode and the like; the mutual inductor can also be fixed with a related supporting plate connecting structure used for being fixed with the supporting plate, and the mutual inductor is fixed on the side plate of the cabinet body by fixing the supporting plate connecting structure and the supporting plate.
The specific installation and the dismantlement process of mutual-inductor in this embodiment: first, the connection plate 60 and the support plate 70 are fixed to the cabinet side plate 100 of the cable compartment 20 in the vertical direction, and the relative positional relationship between the connection plate 60 and the support plate 70 is ensured. A stop 30 is mounted in advance at one end of the slide 50 near the front of the cabinet to prevent the C-shaped mutual sensor 330 from sliding out of the end of the slide 50. The individual transformers and the connection plate 60 are bolted together as a single mounting module.
When the mutual inductor is installed, firstly, the mutual inductor module of the mutual inductor 330C is laterally placed on a hydraulic lifting vehicle (not shown in the figure), the connecting plate 60 on the mutual inductor module is higher than the slide rail 50 by the adjusting hydraulic lifting vehicle, the mutual inductor enters the cable chamber 20 as the position of the mutual inductor 310A shown in figure 2 by the moving vehicle, the mutual inductor falls down by the adjusting hydraulic lifting vehicle, after the connecting plate 60 is contacted with the slide rail 50, the mutual inductor slowly falls down along the dovetail groove under the action of self weight until the hook 601 is matched with the dovetail groove hook, and the lower end of the mutual inductor is tightly attached to the supporting plate 70 as shown in figure 4. At this point the hydraulic carriage is removed and the instrument transformer is pushed into the position of the mutual C-sensor 330 in fig. 2, when the instrument transformer is not pushed, due to the stop 30, to the set position of the mutual C-sensor 330. After the mutual inductor is pushed to the position, an installer enters the cable chamber 20 and fixes the mounting hole 40 and the supporting plate hole through the bolt. The mutual sensor C330, the mutual sensor B320 and the mutual sensor a 310 are sequentially installed according to the above method, and the phase distance between the three-phase transformers is ensured by the length of the connection board 60. After the a-phase mutual inductor 310 is installed, the limiting member 30 is installed on the slide rail 50, and the installation of the three-phase mutual inductor is completed. When the mutual inductor C is replaced, firstly, A, B mutual inductors can be detached if the mutual inductor C is replaced, the detachment sequence is opposite to the installation sequence, and the mutual inductor C can be detached at one end of the sliding rail close to the mutual inductor C because the mutual inductors are not connected with each other; if change mutual inductor of A only need dismantle corresponding mutual-inductor can.
The dovetail groove in this implementation adopts unilateral dovetail groove, can reduce the machining precision and the assembly precision requirement of dovetail groove. In other embodiments, complete dovetail grooves may be used, where the machining and assembly accuracy requirements are high. When the mutual inductor is installed, the position of the hydraulic lifting car is adjusted to enable the hook to be just inserted into the sliding rail, and the following installation method is the same as that described above. Adopt four fixed mounting of bolt change into of slide rail cooperation and bolt fastening's mounting means with mutual-inductor in the past, both can the easy to assemble mutual-inductor, improve assembly efficiency, guarantee assembly strength, change the mutual-inductor that can be convenient again when breaking down, improved installer operation security greatly. A single mutual inductor serves as an installation module, and overhauling and replacing operations of the mutual inductors are facilitated. The transformer mounting device is simple and novel in structure and safe and reliable in performance.
In the specific embodiment of the switch cabinet body of the invention, the structure of the switch cabinet body in the embodiment is the same as that shown in the specific embodiment of the switch cabinet, and the details are not repeated.
In the specific embodiment of the transformer installation device of the present invention, the structure of the transformer installation device in this embodiment is the same as that of the transformer installation device shown in the above specific embodiment of the switch cabinet, and details are not repeated.
Claims (15)
1. The mutual inductor installation device is characterized by further comprising a mutual inductor connecting structure which corresponds to a single mutual inductor and is fixed on the mutual inductor, the mutual inductor connecting structure corresponds to the single mutual inductor, each mutual inductor independently forms an installation module, the mutual inductor connecting structure comprises a hanging part used for hanging the mutual inductor on the sliding rail, the hanging part is a hook, and the hook is in sliding fit with the sliding rail so that the single mutual inductor can be assembled to a set position on the cabinet body side plate in a sliding manner; the fixing structure comprises a supporting plate used for being fixed on a cabinet body side plate, a mutual inductor fixing surface used for being fixedly connected with a mutual inductor is arranged on the supporting plate, the sliding rail and the supporting plate are arranged along the up-down direction of the switch cabinet body, the upper side of the mutual inductor is hung on the cabinet body side plate in a hanging and matching mode through a hanging part and the sliding rail, and the lower side of the mutual inductor is fixed on the cabinet body side plate through the supporting plate; the two mutual inductor connecting structures are used for being matched with the mutual inductor connecting structures corresponding to the adjacent mutual inductors in a positioning mode, so that the two mutual inductors are positioned; the mutual inductor connecting structure comprises connecting plates used for being connected with the mutual inductor, the hanging part is fixed on the connecting plates, and the end surfaces, close to each other, of the two adjacent connecting plates are positioned and matched when the mutual inductor is assembled so as to position the two mutual inductors; the mutual inductor installation device further comprises a limiting part which is used for being fixed at the end face of the sliding rail along the length direction to limit the mutual inductor connecting structure to be positioned in the sliding rail, and the limiting part comprises a folded edge which is used for being in stop fit with the face, back to the side plate of the cabinet body, of the mutual inductor; the end face of the slide rail along the length direction is provided with a slide rail hole, and the limiting part is provided with a limiting part hole which corresponds to the slide rail hole and is used for a bolt to penetrate through and fixing the limiting part on the slide rail.
2. The instrument transformer mounting arrangement of claim 1, wherein the rail is a recessed rail.
3. The instrument transformer mounting arrangement of claim 2, wherein the recessed track is a dovetail track.
4. The instrument transformer mounting apparatus as claimed in claim 1, wherein said supporting plate is a U-shaped plate having a cabinet side plate fixing portion for fixing with a cabinet side plate and an instrument transformer fixing portion for fixing with an instrument transformer, two mutually parallel portions of the U-shaped plate constituting said instrument transformer fixing portion and said cabinet side plate fixing portion, respectively.
5. The instrument transformer mounting device according to claim 4, wherein the instrument transformer fixing portion is provided with a support plate hole corresponding to the instrument transformer mounting hole for a bolt to pass through and fix the instrument transformer to the support plate.
6. The switch cabinet body comprises a cabinet body side plate and a mutual inductor installation device, wherein the mutual inductor installation device comprises a slide rail fixed on the cabinet body side plate and a fixing structure used for fixing mutual inductors on the cabinet body side plate; the hanging part is a hook which is in sliding fit with the sliding rail so that the single mutual inductor can be assembled to a set position on a side plate of the cabinet body in a sliding manner; the fixing structure comprises a supporting plate fixed on a cabinet body side plate, the supporting plate is used for fixedly mounting a mutual inductor so as to fix the mutual inductor on the cabinet body side plate, a mutual inductor fixing surface used for being fixedly connected with the mutual inductor is arranged on the supporting plate, the slide rail and the supporting plate are arranged along the up-down direction of the cabinet body of the switch cabinet, the upper side of the mutual inductor is hung on the cabinet body side plate in a hanging and matching mode through a hanging part and the slide rail, and the lower side of the mutual inductor is fixed on; the two mutual inductor connecting structures are used for being matched with the mutual inductor connecting structures corresponding to the adjacent mutual inductors in a positioning mode, so that the two mutual inductors are positioned; the mutual inductor connecting structure comprises connecting plates used for being connected with the mutual inductor, the hanging part is fixed on the connecting plates, and the end surfaces, close to each other, of the two adjacent connecting plates are positioned and matched when the mutual inductor is assembled so as to position the two mutual inductors; the mutual inductor installation device further comprises a limiting part which is used for being fixed at the end face of the slide rail along the length direction to limit the mutual inductor connecting structure to be in the slide rail, a slide rail hole is formed in the end face of the slide rail along the length direction, a limiting part hole which corresponds to the slide rail hole and is used for allowing a bolt to penetrate through and fixing the limiting part on the slide rail is formed in the limiting part, and the limiting part comprises a hem which is used for stopping and matching with the face of the mutual inductor, which faces away from the cabinet side plate.
7. The switch cabinet body of claim 6, wherein the slide is a grooved slide.
8. The switchgear cabinet body of claim 7, wherein the grooved rail is a dovetail rail.
9. The switchgear cabinet body as claimed in claim 6, wherein the supporting plate is a U-shaped plate having a cabinet side plate fixing portion for fixing with the cabinet side plate and a transformer fixing portion for fixing with the transformer, two parallel portions of the U-shaped plate constituting the transformer fixing portion and the cabinet side plate fixing portion, respectively.
10. The switchgear cabinet body as claimed in claim 9, wherein the transformer fixing portion is provided with a support plate hole corresponding to the mounting hole of the transformer for passing a bolt therethrough and fixing the transformer on the support plate.
11. The switch cabinet comprises a switch cabinet body and a mutual inductor, wherein the switch cabinet body comprises a cabinet body side plate and a mutual inductor installation device, the mutual inductor installation device comprises a slide rail fixed on the cabinet body side plate and a fixing structure for fixing the mutual inductor on the cabinet body side plate, and the switch cabinet is characterized by further comprising a mutual inductor connecting structure which corresponds to a single mutual inductor and is fixed on the mutual inductor, the mutual inductor connecting structure corresponds to the single mutual inductor, each mutual inductor independently forms an installation module, and the mutual inductor connecting structure comprises a hanging part for hanging the mutual inductor on the slide rail; the hanging part is a hook which is in sliding fit with the sliding rail so that the single mutual inductor can be assembled to a set position on a side plate of the cabinet body in a sliding manner; the fixing structure comprises a supporting plate fixed on a cabinet body side plate, a mutual inductor is fixedly installed on the supporting plate to fix the mutual inductor on the cabinet body side plate, a mutual inductor fixing surface fixedly connected with the mutual inductor is arranged on the supporting plate, the sliding rail and the supporting plate are arranged along the up-down direction of the cabinet body of the switch cabinet, the upper side of the mutual inductor is hung on the cabinet body side plate in a hanging and matching mode through a hanging part and the sliding rail, and the lower side of the mutual inductor is fixed on the cabinet body side; the two mutual inductor connecting structures corresponding to the adjacent mutual inductors are positioned and matched to realize the positioning of the two mutual inductors; the mutual inductor connecting structure comprises connecting plates connected with the mutual inductors, the hanging parts are fixed on the connecting plates, and the end surfaces, close to each other, of the two adjacent connecting plates are positioned and matched when the mutual inductors are assembled so as to position the two mutual inductors; the mutual inductor installation device further comprises a limiting part fixed on the end face of the slide rail along the length direction and used for limiting the mutual inductor connecting structure to be located in the slide rail, a slide rail hole is formed in the end face of the slide rail along the length direction, a limiting part hole corresponding to the slide rail hole is formed in the limiting part and used for allowing a bolt to penetrate through and fixing the limiting part on the slide rail, and the limiting part comprises a hem in stop fit with the face, back to the cabinet body side plate, of the mutual inductor.
12. The switchgear as claimed in claim 11, wherein the slide is a groove slide.
13. The switchgear as claimed in claim 12, wherein the slot track is a dovetail track.
14. The switchgear cabinet as claimed in claim 11, wherein the supporting plate is a U-shaped plate having a cabinet side plate fixing portion fixed to the cabinet side plate and a transformer fixing portion fixed to the transformer, and two parallel portions of the U-shaped plate constitute the transformer fixing portion and the cabinet side plate fixing portion, respectively.
15. The switchgear as claimed in claim 14, wherein the transformer fixing portion is provided with a support plate hole corresponding to the mounting hole of the transformer for passing a bolt therethrough and fixing the transformer to the support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614531.8A CN108879391B (en) | 2018-06-14 | 2018-06-14 | Switch cabinet and cabinet body, mutual-inductor installation device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810614531.8A CN108879391B (en) | 2018-06-14 | 2018-06-14 | Switch cabinet and cabinet body, mutual-inductor installation device thereof |
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| CN108879391A CN108879391A (en) | 2018-11-23 |
| CN108879391B true CN108879391B (en) | 2020-12-11 |
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| CN112769048B (en) * | 2019-11-05 | 2023-06-09 | 河南森源电气股份有限公司 | Low-voltage circuit breaker locking structure of switch cabinet for nuclear power |
| CN111224336B (en) * | 2019-12-27 | 2022-09-20 | 国网山东省电力公司茌平县供电公司 | Self-cleaning type electric power measuring device capable of being quickly disassembled and assembled |
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| US9595816B2 (en) * | 2014-12-23 | 2017-03-14 | Schneider Electric USA, Inc. | Safe use panelboard keyed shutter system |
| CN207319868U (en) * | 2017-08-22 | 2018-05-04 | 云南通变电器有限公司 | Apparatus for fixing transformer |
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| CN201556851U (en) * | 2009-12-09 | 2010-08-18 | 上海中发电气（集团）股份有限公司 | Mutual inductor installation structure in electrical switch cabinet |
| CN202307500U (en) * | 2011-11-01 | 2012-07-04 | 黄德平 | Mounting structure for current transformer |
| CN205846484U (en) * | 2016-08-03 | 2016-12-28 | 温州市康达电气成套设备有限公司 | Low-voltage distribution cabinet |
| CN106257779A (en) * | 2016-08-19 | 2016-12-28 | 浙江上美输配电有限公司 | Indoor three-phase high-voltage switch cubicle |
| CN207367774U (en) * | 2017-10-16 | 2018-05-15 | 格雷诺(厦门）开关有限公司 | A kind of transformer mounting mechanism |
| CN207353696U (en) * | 2017-11-03 | 2018-05-11 | 重庆吉能电气(集团）有限公司 | Facilitate the switchgear of mutual inductor installation and repairing |
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| CN202111405U (en) * | 2011-06-09 | 2012-01-11 | 芜湖明远电力设备制造有限公司 | Drawer unit of low-voltage switch cabinet |
| US9595816B2 (en) * | 2014-12-23 | 2017-03-14 | Schneider Electric USA, Inc. | Safe use panelboard keyed shutter system |
| CN207319868U (en) * | 2017-08-22 | 2018-05-04 | 云南通变电器有限公司 | Apparatus for fixing transformer |
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