CN220895399U - Intelligent high-voltage isolation load switch - Google Patents

Abstract

The utility model discloses an intelligent high-voltage isolation load switch, and relates to the technical field of high-voltage transmission. The utility model comprises a supporting plate, a supporting tube, a lifting assembly and a driving motor, wherein the supporting tube is fixed at the top end of the supporting plate, an inner column is fixed on the inner wall of the supporting tube, a movable shell is fixed at the top end of the supporting tube, a top shell is fixed at the top of the movable shell, the driving motor is fixed at the center of the bottom of the supporting plate, a driving shaft is fixed at the output end of the driving motor, the driving shaft penetrates through and is movably connected in the supporting plate, a screw is fixed at the top end of the driving shaft, the lifting assembly comprises a display block, and the display block vertically penetrates through and is movably connected in the top shell. The utility model solves the problems that the high-voltage isolation load switch works by adopting the exposed conductor when in work, is easy to be corroded by rain wetting, needs to be aligned and embedded by an additional alignment structure, and has poor reliability by arranging the support disc, the support tube, the lifting assembly and the driving motor.

Description

Intelligent high-voltage isolation load switch

Technical Field

The utility model belongs to the technical field related to high-voltage transmission, and particularly relates to an intelligent high-voltage isolation load switch.

Background

The isolating switch is the most used electric appliance in the high-voltage switch electric appliance, and the isolating switch has a relatively simple working principle and structure for isolating in a circuit, but has high requirements on working reliability due to large use amount, and has larger influence on design, establishment and safe operation of a power substation and a power plant. The main characteristic of the knife switch is that the knife switch has no arc extinguishing capability, and can only switch on and off the circuit under the condition of no load current, but the knife switch still has the following defects in actual use:

1. When the high-voltage isolating load switch works, the disconnecting link is directly powered off, and in the process of power-off isolation, the exposed conductor is directly adopted for working in the face of outdoor environment, so that the high-voltage isolating load switch is easily corroded by rain water wetting, and the working stability is affected;

2. When the high-voltage isolation load switch works, the high-voltage isolation load switch needs to be manually disconnected on site to ensure safety, and when the high-voltage isolation load switch is disconnected, the high-voltage isolation load switch needs to be aligned and embedded through an additional alignment structure, so that the high-voltage isolation load switch is complex in work and poor in reliability.

Disclosure of utility model

The utility model aims to provide an intelligent high-voltage isolation load switch, which solves the problems that the high-voltage isolation load switch works by adopting a bare conductor when in work, is easy to be corroded by rain water wetting, needs to be aligned and embedded through an additional alignment structure and has poor reliability by arranging a supporting disc, a supporting tube, a lifting assembly and a driving motor.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to an intelligent high-voltage isolation load switch which comprises a supporting disc, a supporting tube, a lifting assembly and a driving motor, wherein the supporting tube is fixed at the top end of the supporting disc, an inner column is fixed on the inner wall of the supporting tube, a movable shell is fixed at the top end of the supporting tube, a top shell is fixed at the top of the movable shell, the bottom of the top shell is provided with an opening, the supporting tube, the movable shell and the top shell are jointly and movably connected with the lifting assembly in a penetrating manner, the driving motor is fixed at the center of the bottom of the supporting disc, a driving shaft is fixed at the output end of the driving motor, the driving shaft penetrates through and is movably connected in the supporting disc, a screw rod is fixed at the top end of the driving shaft, the top end of the screw rod is rotatably connected to the inner top of the movable shell, the lifting assembly comprises a display block, the display block vertically penetrates through and is movably connected in the top shell, during operation, the supporting tube, the lifting assembly and the driving motor are supported on the supporting tube through the supporting disc, the movable shell and the top shell on the top shell are matched with the top shell, and the lifting assembly through the driving motor, the driving shaft to rotate, and the driving shaft, in the process of rotation, the driving motor, and the driving shaft is rotatably.

Further, the periphery of supporting disk is annular array and is fixed with the connecting rod, and all the connecting rod is kept away from the one end of supporting disk and is fixed with the support frame jointly, the bottom of support frame is fixed with the bottom plate, and the supporting disk passes through connecting rod connection support frame to support in the outdoor power transmission and transformation equipment outside through the chassis of support frame bottom.

Further, an inner column is fixed on the inner wall of the support tube, a movable opening is formed in the inner column in a penetrating mode along the central axis, fixed openings are formed in two sides of the movable shell, and the support tube is movably connected with a movable strip through the movable opening in the inner column.

Further, the lifting component further comprises a movable strip and a through screw hole, the movable strip is movably connected in the movable opening, the upper portion of the movable strip is vertically and movably connected to the bottom of the movable shell, the through screw hole is formed in the movable strip along the inner central axis of the support tube in a through mode, the screw rod is in threaded connection in the through screw hole, and when the lifting component rotates through the screw rod, the screw rod is in threaded connection in the through screw hole to drive the movable strip to lift.

Further, the lifting component further comprises an insulating rod, the outside of a through screw hole at the top of the movable strip is fixed with the insulating rod in an annular array, the top ends of all the insulating rods are all fixed at the bottom of the display block, all the insulating rods are vertically and movably connected at the top of the movable shell, and the lifting component is connected with the display block and the connecting strip through the insulating rod.

Further, two all be fixed with the contact rod in the fixed mouth, two the contact rod respectively with the mutual butt in both sides of movable strip, the contact rod is kept away from the week side of movable shell one end and is fixed with fixed cover, fixed cover is close to movable shell one end and is fixed with the insulating cover, two the insulating cover is fixed respectively in the both sides of movable shell, the equidistant insulating ring that is fixed with in week side of insulating cover, the contact rod is through the mutual butt with the movable strip for during operation, for two contact rods pass through movable strip electric connection.

The utility model has the following beneficial effects:

1. The utility model solves the problem that the high-voltage isolation load switch is easy to be corroded by rainwater when working by adopting the exposed conductor, and the support plate, the support tube, the lifting assembly and the driving motor are arranged, the driving motor is started to drive the driving shaft to rotate, and the driving shaft is driven to rotate when the driving shaft rotates, and the screw rod is penetrated and movably connected in the penetrating screw hole in the movable strip in the rotating process of the screw rod, so that the movable strip is driven to descend, the insulating rod is driven to descend in the descending process of the movable strip, the display block is lowered into the top shell in the descending process of the insulating rod, the top end of the display block is level with the top of the top shell, and the circuit break between the two connection blocks is determined, so that the electric rod is not easy to be corroded by rainwater when working by adopting the fully-closed arrangement when being used in the open sky.

2. According to the utility model, the problems that the high-voltage isolation load switch needs to be aligned and embedded through an additional alignment structure when working and the reliability is not good are solved by arranging the support tube, the lifting assembly and the driving motor, when the isolation switch is needed, the driving motor is started to drive the screw rod to rotate so as to drive the movable strip to descend, when the movable strip descends, the movable strip descends into the top shell through the display block, the bottom end of the display block is abutted to the top of the movable shell, and at the moment, the two contact rods are separated from each other, so that the two contact rods are powered off, and the two contact rods do not need to be embedded through the additional alignment structure when power supply is needed to be recovered, and the reliability is better.

Drawings

FIG. 1 is a perspective view of an intelligent high voltage isolation load switch assembly;

FIG. 2 is a perspective view of the structure of the support plate;

FIG. 3 is a perspective view of a support tube in partial cross-section;

FIG. 4 is a perspective view of the structure of the lifting assembly;

Fig. 5 is a perspective view of the structure of the electric pole;

fig. 6 is a perspective view of a driving motor structure.

Reference numerals:

1. A support plate; 101. a connecting rod; 102. a support frame; 103. a bottom plate; 2. a support tube; 201. an inner column; 202. a movable opening; 203. a movable case; 204. a fixed port; 205. a top shell; 3. a lifting assembly; 301. a movable bar; 302. a through screw hole; 303. an insulating rod; 304. a display block; 4. a power receiving rod; 401. an insulating sleeve; 402. an insulating ring; 403. a fixed sleeve; 5. a driving motor; 501. a drive shaft; 502. and (3) a screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Detailed description of the preferred embodiments

Referring to fig. 1-6, the utility model discloses an intelligent high-voltage isolation load switch, which comprises a supporting disc 1, a supporting tube 2, a lifting assembly 3 and a driving motor 5, wherein the supporting tube 2 is fixed at the top end of the supporting disc 1, the supporting tube 2, the lifting assembly 3 and the driving motor 5 are supported on the supporting disc 1, the lifting assembly 3 is movably connected in the supporting tube 2 through the supporting tube 2, an inner column 201 is fixed on the inner wall of the supporting tube 2, a movable shell 203 is fixed at the top end of the supporting tube 2, a top shell 205 is fixed at the top end of the movable shell 203, the bottom of the top shell 205 is arranged in an opening way, the supporting tube 2 is matched with the top shell 205 through the movable shell 203, the lifting assembly 3 is movably connected in the supporting tube 2, the movable shell 203 and the top shell 205 are jointly and movably connected with the lifting assembly 3, when the lifting assembly 3 is lifted, the two electric connecting rods 4 are connected in a power-on and power-off way through the lifting assembly 3, a driving motor 5 is fixed at the bottom center of the supporting disc 1, a driving shaft 501 is fixed at the output end of the driving motor 5, the driving shaft 501 is movably connected in the supporting disc 1, a screw 502 is fixed at the top end of the driving shaft 502, the top end of the driving shaft 502 is rotatably connected in the top of the supporting disc, a top end of the driving shaft 203 is rotatably, a top end of the driving shaft 203 is connected in the movable shell 205, a top end of the driving shaft 205 is rotatably, a driving shaft 205 is rotatably and is rotatably connected in the driving shaft 502 through the driving shaft 5 and is rotatably and rotatably connected in the driving shaft 2, a driving shaft 304 is rotatably and is rotatably connected in the driving shaft 3 and is rotatably and has a driving 3 and a driving 3.

Specifically, the circumference side of the supporting disc 1 is fixed with connecting rods 101 in an annular array, one ends of all the connecting rods 101 far away from the supporting disc 1 are jointly fixed with a supporting frame 102, the bottom of the supporting frame 102 is fixed with a bottom plate 103, the supporting disc 1 is connected with the supporting frame 102 through the connecting rods 101 connected with the outer side of the supporting disc, the supporting disc is supported on the bottom plate 103 through the supporting frame 102, and the supporting disc is installed and supported on the outer side of open-air power transmission and transformation equipment through the bottom plate 103 to carry out power receiving operation.

Further, an inner column 201 is fixed on the inner wall of the support tube 2, a movable opening 202 is formed inside the inner column 201 along the central axis in a penetrating manner, fixed openings 204 are formed on two sides of the movable shell 203, the support tube 2 is movably connected with a movable strip 301 through the movable opening 202 on the inner column 201, and the movable shell 203 is used for fixing the electric connecting rod 4 through the fixed openings 204.

Further, the lifting assembly 3 further comprises a movable strip 301 and a through screw hole 302, the movable strip 301 is movably connected in the movable opening 202, the upper portion of the movable strip 301 is vertically and movably connected to the bottom of the movable shell 203, the through screw hole 302 is formed in the movable strip 301 along the central axis in the support tube 2 in a through manner, the screw rod 502 is in threaded connection in the through screw hole 302, the movable strip 301 is driven to lift in the inner column 201 and the movable shell 203 in the process of rotating the screw rod 502 through the screw rod 502 in the through screw hole 302 in the movable strip 301.

The operation process of the embodiment is as follows: when the power is turned on and off, the driving motor 5 is started, the driving motor 5 drives the driving shaft 501 to rotate, the screw rod 502 is driven to rotate when the driving shaft 501 rotates, in the process of rotating the screw rod 502, the screw rod 502 is communicated with the through screw hole 302 in the movable strip 301 in a movable mode, the movable strip 301 is driven to descend, in the process of descending the movable strip 301, the insulating rod 303 is driven to descend, in the process of descending the insulating rod 303, the display block 304 is enabled to descend into the top shell 205, the top end of the display block 304 is flush with the top of the top shell 205, and the circuit breaking between the two contact rods 4 is determined.

Second embodiment

Referring to fig. 1-5, in the first embodiment, the lifting assembly 3 further includes an insulating rod 303, the insulating rods 303 are fixed on the outer sides of the through screw holes 302 at the top of the movable bar 301 in an annular array, the top ends of all the insulating rods 303 are fixed at the bottom of the display block 304, all the insulating rods 303 are vertically and movably connected to the top of the movable shell 203, the lifting assembly 3 connects the movable bar 301 and the display block 304 through the insulating rods 303, and drives the display block 304 to lift in the top shell 205 when the movable bar 301 lifts in the movable opening 202 in the inner column 201.

Specifically, the two fixing ports 204 are internally and fixedly provided with the electric connecting rods 4, the two electric connecting rods 4 are respectively abutted against two sides of the movable strip 301, the periphery side of one end, far away from the movable shell 203, of the electric connecting rods 4 is fixedly provided with the fixing sleeve 403, one end, close to the movable shell 203, of the fixing sleeve 403 is fixedly provided with the insulating sleeve 401, the two insulating sleeves 401 are respectively fixed on two sides of the movable shell 203, the periphery sides of the insulating sleeve 401 are uniformly fixed with the insulating rings 402, the electric connecting rods 4 are abutted against the movable strip 301, when in operation, the two electric connecting rods 4 are electrically connected through the movable strip 301, the electric connecting rods 4 are fixed on external electric connecting equipment through the fixing sleeve 403, and the outer sides of the electric connecting rods 4 are sealed through the cooperation of the insulating sleeve 401 and the insulating rings 402, so that the electric connecting rods 4 are insulated from the outside.

The operation process of the embodiment is as follows: when external power transmission equipment is powered off, when the operation of an isolating switch is needed, the driving motor 5 is started, the driving motor 5 drives the screw 502 to rotate to drive the movable bar 301 to descend, when the movable bar 301 descends, the movable bar 301 descends into the top shell 205 through the display block 304, the bottom end of the display block 304 is abutted to the top of the movable shell 203, at the moment, the two electric connection bars 4 are separated from the movable bar 301, so that the two electric connection bars 4 are powered off, when the electric connection needs to be restored, the driving motor 5 is started to reversely rotate to drive the movable bar 301 to ascend, after the top end of the movable bar 301 is abutted to the inner top of the insulating bar 303, the two electric connection bars 4 are enabled to be in contact with the movable bar 301 in a restoration mode, and the external equipment is enabled to restore the electric connection of the two electric connection bars 4 after the electric connection bars 4 are restored to be electrified.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. The utility model provides an intelligence high voltage isolation load switch, includes supporting disk (1), stay tube (2), lifting unit (3) and driving motor (5), its characterized in that: support tube (2) are fixed with on the top of supporting disk (1), be fixed with interior post (201) on the inner wall of supporting tube (2), the top of supporting tube (2) is fixed with movable shell (203), the top of movable shell (203) is fixed with top shell (205), the bottom of top shell (205) is the opening setting, link up swing joint in supporting tube (2), movable shell (203) and top shell (205) jointly and have lifting unit (3), the bottom central authorities of supporting disk (1) are fixed with driving motor (5), the output of driving motor (5) is fixed with drive shaft (501), drive shaft (501) link up swing joint in supporting disk (1), and the top of drive shaft (501) is fixed with screw rod (502), the top swivelling joint of screw rod (502) is at the interior top of movable shell (203), lifting unit (3) are including display piece (304), display piece (304) link up swing joint perpendicularly in top shell (205).

2. An intelligent high voltage isolation load switch according to claim 1, wherein: the periphery of supporting disk (1) is annular array and is fixed with connecting rod (101), and all connecting rod (101) keep away from the one end of supporting disk (1) and are fixed with support frame (102) jointly, the bottom of support frame (102) is fixed with bottom plate (103).

3. An intelligent high voltage isolation load switch according to claim 1, wherein: the inner column (201) is internally provided with a movable opening (202) along the central axis in a penetrating way, and both sides of the movable shell (203) are provided with fixed openings (204).

4. An intelligent high voltage isolation load switch according to claim 3 wherein: the lifting assembly (3) further comprises a movable strip (301) and a through screw hole (302), the movable strip (301) is movably connected in the movable opening (202), the upper portion of the movable strip (301) is vertically and movably connected with the bottom of the movable shell (203), the through screw hole (302) is formed in the movable strip (301) along the inner central axis of the supporting tube (2), and the screw rod (502) is connected in the through screw hole (302) in a through threaded manner.

5. The intelligent high voltage isolation load switch of claim 4 wherein: the lifting assembly (3) further comprises an insulating rod (303), the insulating rods (303) are fixed on the outer sides of through screw holes (302) at the tops of the movable strips (301) in an annular array, the top ends of all the insulating rods (303) are fixed at the bottom of the display block (304), and all the insulating rods (303) are vertically and movably connected to the tops of the movable shells (203).

6. An intelligent high voltage isolation load switch according to claim 5 wherein: two all be fixed with in fixed mouth (204) electric pole (4), two electric pole (4) each other the looks butt with the both sides of movable strip (301) respectively, electric pole (4) keep away from the week side of movable shell (203) one end and are fixed with fixed cover (403), fixed cover (403) are close to movable shell (203) one end and are fixed with insulating cover (401), two insulating cover (401) are fixed in the both sides of movable shell (203) respectively, the week side equidistant insulating ring (402) that are fixed with of insulating cover (401).