Maintenance-free high-voltage isolation switch

Abstract

The utility model relates to the technical field of high-voltage isolating switches, and discloses a maintenance-free high-voltage isolating switch, which comprises a limiting mechanism, a bottom mechanism and a main body mechanism, the bottom end of the limiting mechanism is provided with the bottom mechanism, and the top end of the bottom mechanism is provided with the main body mechanism. According to the utility model, when the protective frame II and the protective frame I are sleeved on the surface of the insulating porcelain piece, the first limiting clamping plate and the rotating frame I are rotated to be clamped inside the protective frame I, and then the rotating frame II and the second limiting clamping plate are rotated to be clamped inside the second limiting clamping plate; a limiting stud is matched to fix the first supporting bottom frame and the first rotating frame, then the limiting stud is rotated to fix the second rotating frame and the second supporting bottom frame, and a second protection frame and a first protection frame on the surface of the insulating porcelain piece are matched to protect external birds and pollutants and protect the internal insulating porcelain piece; and external soil is prevented from being accumulated on the surface of the insulating porcelain piece for a long time, and the trouble that cleaning is inconvenient for workers is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to high -tension isolator technical field especially relates to a kind of maintenance-free high -tension isolator. BACKGROUND

[0002] High-voltage disconnecting switch is an important switch electric appliance for isolating voltage in power system, usually used with high-voltage circuit breaker to ensure the safety of high-voltage electric appliance and device during maintenance, its main function is to provide obvious off point during circuit maintenance, ensure the safety of maintenance personnel, and can be used to change system operation wiring mode or connect, disconnect small current circuit, in maintenance and repair, high-voltage disconnecting switch should be checked regularly, including checking whether porcelain bottle has crack or damage, ensuring the normal work of operating mechanism, and checking the function of grounding switch. If problem is found, it should be handled in time to avoid potential safety risk.

[0003] The existing maintenance-free high-voltage disconnecting switch is installed in suitable position and is outdoor, high-voltage disconnecting switch is exposed outdoor for a long time, so that the parts of high-voltage disconnecting switch are easy to attach dust, impurities and interference of aerial birds and animals, so that staff need to disconnect power to clean impurities attached to the surface of high-voltage disconnecting switch, so that the contact resistance between contact seat and contact finger increases, causing contact heating, which often causes contact finger heating and even burning failure. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides a kind of maintenance-free high -tension isolator.

[0005] The utility model adopts the following technical scheme to realize: a kind of maintenance-free high -tension isolator, including limiting mechanism, bottom mechanism and main body mechanism, the bottom of the limiting mechanism is provided with bottom mechanism, the top of the bottom mechanism is provided with main body mechanism, the limiting mechanism includes first support base, the inside of the first support base is rotatably connected with rotary frame one;

[0006] The inside of rotary frame one is rotatably connected with first limiting clamping plate, the inside of first limiting clamping plate is clamped with protective frame one, the inside of rotary frame one and first support base is connected with limiting screw column in screw thread, the bottom of first support base is fixedly connected with bottom fixed frame, the top of bottom fixed frame is fixedly connected with second support base, the inside of second support base is rotatably connected with rotary frame two, the inside of rotary frame two is rotatably connected with second limiting clamping plate, and the inside of second limiting clamping plate is clamped with protective frame two.

[0007] Through the technical scheme, the rotating frame one, the rotating frame two, the first supporting base and the second supporting base help coordinate the movement of various movement axes to limit and fix the protective frame one and the protective frame two after installation.

[0008] As a further improvement of the above scheme, the first supporting base is symmetrically distributed forward and backward with the bottom end fixing frame as the center, and the second supporting base is symmetrically distributed forward and backward with the bottom end fixing frame as the center.

[0009] As a further improvement of the above scheme, the bottom mechanism includes a bottom end fixing frame, the front and rear ends of the bottom end fixing frame are welded with fixing plates, the bottom end of the bottom end fixing frame is fixedly connected with a limiting support plate, and the top end of the bottom end fixing frame is fixedly connected with a switch base.

[0010] Through the technical scheme, the number of fixing plates is set to several, which can be fixed and limited after the overall installation of the equipment to a suitable position in cooperation with the studs.

[0011] As a further improvement of the above scheme, the fixing plates are symmetrically distributed forward and backward with the bottom end fixing frame as the center, and the top end of the bottom end fixing frame is fixedly connected with the first supporting base.

[0012] As a further improvement of the above scheme, the main body mechanism includes a wire outlet seat, the inside of the wire outlet seat is fixedly connected with a conductive rod, the surface of the conductive rod is fixedly connected with an intermediate contact, the bottom end of the wire outlet seat is fixedly connected with an insulating porcelain piece, and the inside of the insulating porcelain piece is fixedly connected with a connecting rod.

[0013] Through the technical scheme, the insulating porcelain piece has high mechanical strength and hardness, can withstand the influence of wind, sun, rain and other natural conditions, and a certain degree of mechanical impact, and can resist acid and alkali chemical corrosion and will not be eroded by the external environment to cause failure.

[0014] As a further improvement of the above scheme, the wire outlet seat is symmetrically distributed left and right with the bottom end fixing frame as the center, and the surface of the insulating porcelain piece is provided with a protective frame two.

[0015] As a further improvement of the above scheme, the surface of the insulating porcelain piece is provided with a protective frame one, and the bottom end of the insulating porcelain piece is fixedly connected with a switch base.

[0016] Compared with the prior art, the beneficial effects of the utility model lie in:

[0017] The utility model discloses a first support base and rotary frame one are fixed between the cooperation limiting screw column, and the rotary frame two and the second support base are fixed between the cooperation limiting screw column again, and the protection frame no. 2 and the protection frame no. 1 of the surface of insulating porcelain piece are cooperated to the protection of the insulating porcelain piece in the inside to the bird and the pollution of outside, also avoided the long -time accumulation of outside soil on the surface of insulating porcelain piece, solved the trouble of inconvenient cleaning of staff.

[0018] The utility model discloses the fixed plate and the limiting branch of setting bottom end fixed stand front and back and left and right two ends to the whole convenient installation of equipment to the suitable position, through using insulating porcelain piece and protection frame, can effectively isolate electrical component, prevent short circuit and electrical fault, through setting up the design of electrically conductive rod and intermediate contact helps to realize efficient electrical connection and signal transmission. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is whole structure schematic diagram of the utility model;

[0020] Figure 2 It is protection frame dismounting structure schematic diagram of the utility model;

[0021] Figure 3 It is structure enlarged schematic diagram of the utility model A place;

[0022] Figure 4 It is front dissection structure schematic diagram of the utility model;

[0023] Figure 5 It is right view structure schematic diagram of the utility model.

[0024] Main symbol explanation:

[0025] 1, limiting mechanism;101, first support base;102, rotary frame one;103, first limiting clamping plate;104, protection frame no. 1;105, limiting screw column;106, second support base;107, rotary frame two;108, second limiting clamping plate;109, protection frame no. 2;2, bottom mechanism;201, bottom end fixed stand;202, fixed plate;203, limiting branch;204, switch base;3, main body mechanism;301, outgoing line seat;302, electrically conductive rod;303, intermediate contact;304, insulating porcelain piece;305, connecting rod. DETAILED DESCRIPTION

[0026] Hereinafter, the utility model is further described in conjunction with the drawings and specific embodiments, it is to be explained that, in the premise of not conflicting, the following described embodiments between or between various technical features can be combined to form new embodiments.

[0027] Embodiments:

[0028] Please combine Figures 1-5 The maintenance-free high-voltage isolating switch of the embodiment comprises a limiting mechanism 1, a bottom mechanism 2 and a main body mechanism 3, the bottom end of the limiting mechanism 1 is provided with the bottom mechanism 2, the top end of the bottom mechanism 2 is provided with the main body mechanism 3, the limiting mechanism 1 comprises a first support base 101, a rotating frame one 102 is rotatably connected in the first support base 101;

[0029] A first limiting clamping plate 103 is rotatably connected in the rotating frame one 102, a protection frame one 104 is clamped in the first limiting clamping plate 103, a limiting screw column 105 is screw-connected in the rotating frame one 102 and the first support base 101, a bottom end fixed frame 201 is fixedly connected to the bottom end of the first support base 101, a second support base 106 is fixedly connected to the top end of the bottom end fixed frame 201, a rotating frame two 107 is rotatably connected in the second support base 106, a second limiting clamping plate 108 is rotatably connected in the rotating frame two 107, a protection frame two 109 is clamped in the second limiting clamping plate 108, when the protection frame two 109 and the protection frame one 104 are sleeved on the surface of the insulating porcelain piece 304, the first limiting clamping plate 103 and the rotating frame one 102 are clamped in the protection frame one 104 by rotating, then the rotating frame two 107 and the second limiting clamping plate 108 are clamped in the second limiting clamping plate 108 by rotating, then the first support base 101 and the rotating frame one 102 are fixed by cooperating with the limiting screw column 105, then the rotating frame two 107 and the second support base 106 are fixed by rotating the limiting screw column 105, cooperating with the protection frame two 109 and the protection frame one 104 on the surface of the insulating porcelain piece 304 to protect the insulating porcelain piece 304 in the interior from the outside birds and pollution, also avoid the long-term accumulation of soil on the surface of the insulating porcelain piece 304, solve the trouble of inconvenient cleaning of staff.

[0030] The rotating frame one 102, the rotating frame two 107, the first support base and the second support base 106 are helpful to coordinate the movement of various movement shafts to limit and fix the protection frame one 104 and the protection frame two 109 after installation.

[0031] The first support base 101 is symmetrically distributed forward and backward with the bottom end fixed frame 201 as the center, and the second support base 106 is symmetrically distributed forward and backward with the bottom end fixed frame 201 as the center.

[0032] The bottom mechanism 2 comprises a bottom end fixing frame 201, the front and rear ends of the bottom end fixing frame 201 are welded with fixing plates 202, the bottom end of the bottom end fixing frame 201 is fixedly connected with a limiting support plate 203, and the top end of the bottom end fixing frame 201 is fixedly connected with a switch base 204. The fixing plates 202 and the limiting support plate 203 at the front and rear and left and right ends of the bottom end fixing frame 201 are arranged to conveniently install the device to a suitable position.

[0033] The number of the fixing plates 202 is arranged to be several, and the device can be fixed and limited after being installed to a suitable position by cooperating with the stud.

[0034] The fixing plates 202 are symmetrically distributed forward and backward with the bottom end fixing frame 201 as the center, and the top end of the bottom end fixing frame 201 is fixedly connected with a first support bottom frame 101.

[0035] The main body mechanism 3 comprises a wire outlet seat 301, the inside of the wire outlet seat 301 is fixedly connected with a conductive rod 302, the surface of the conductive rod 302 is fixedly connected with a middle contact 303, the bottom end of the wire outlet seat 301 is fixedly connected with an insulating porcelain piece 304, and the inside of the insulating porcelain piece 304 is fixedly connected with a connecting rod 305.

[0036] The insulating porcelain piece 304 has high mechanical strength and hardness, can withstand the influence of natural conditions such as wind, sun, rain, and a certain degree of mechanical impact, and can resist chemical corrosion such as acid and alkali and will not be eroded by the external environment to cause failure.

[0037] The wire outlet seat 301 is symmetrically distributed left and right with the bottom end fixing frame 201 as the center, the surface of the insulating porcelain piece 304 is provided with a protective frame two 109, the use of the insulating porcelain piece and the protective frame can effectively isolate the electrical components and prevent short circuit and electrical failure, and the design of the conductive rod and the middle contact helps to realize efficient electrical connection and signal transmission.

[0038] The surface of the insulating porcelain piece 304 is provided with a protective frame one 104, and the bottom end of the insulating porcelain piece 304 is fixedly connected with the switch base 204.

[0039] The implementation principle of the maintenance-free high-voltage isolating switch in the embodiment of the application is as follows: after the device is placed in a suitable position, the protective frame two 109 and the protective frame one 104 are sleeved on the surface of the insulating porcelain piece 304, the first limiting clamping plate 103 and the rotating frame one 102 are clamped in the interior of the protective frame one 104 by rotating, the rotating frame two 107 and the second limiting clamping plate 108 are clamped to the interior of the second limiting clamping plate 108, the first supporting base 101 and the rotating frame one 102 are fixed by the limiting stud 105, the rotating frame two 107 and the second supporting base 106 are fixed by rotating the limiting stud 105, the insulating porcelain piece 304 is protected from birds and pollution in the outside world, and the accumulation of soil on the surface of the insulating porcelain piece 304 is avoided, so that the inconvenience of cleaning by the staff is solved, the device is conveniently installed in a suitable position by the front and rear and left and right fixing plates 202 and limiting support plates 203 of the bottom end fixing frame 201, the electrical components can be effectively isolated by using the insulating porcelain piece and the protective frame, short circuit and electrical failure are prevented, and efficient electrical connection and signal transmission are achieved by the design of the conductive rod and the intermediate contact.

[0040] The above embodiment is only a preferred embodiment of the utility model, and cannot be used to limit the range of protection of the utility model, and any non-substantial change and replacement made by a person skilled in the art on the basis of the utility model belongs to the range of protection of the utility model.

Claims

1. A maintenance-free high-voltage disconnector, characterized in that Including limiting mechanism (1), bottom mechanism (2) and main body mechanism (3), the bottom of limiting mechanism (1) is provided with bottom mechanism (2), the top of bottom mechanism (2) is provided with main body mechanism (3), limiting mechanism (1) includes first support chassis (101), the inside of first support chassis (101) is rotatably connected with rotary frame one (102); The inside of rotary frame one (102) is rotatably connected with first limiting clamping plate (103), the inside of first limiting clamping plate (103) is clamped with protection frame one (104), the inside of rotary frame one (102) and first support chassis (101) is connected with limiting screw column (105) by screw thread, the bottom of first support chassis (101) is fixedly connected with bottom fixed frame (201), the top of bottom fixed frame (201) is fixedly connected with second support chassis (106), the inside of second support chassis (106) is rotatably connected with rotary frame two (107), the inside of rotary frame two (107) is rotatably connected with second limiting clamping plate (108), the inside of second limiting clamping plate (108) is clamped with protection frame two (109).

2. A maintenance-free high voltage disconnector according to claim 1, characterized in that: The first support chassis (101) is symmetrically distributed front and back with bottom fixed frame (201) as center, the second support chassis (106) is symmetrically distributed front and back with bottom fixed frame (201) as center.

3. A maintenance-free high voltage disconnector according to claim 1, characterized in that: The bottom mechanism (2) includes bottom fixed frame (201), the front and rear ends of bottom fixed frame (201) are welded with fixed plate (202), the bottom of bottom fixed frame (201) is fixedly connected with limiting support plate (203), and the top of bottom fixed frame (201) is fixedly connected with switch base (204).

4. A maintenance-free high voltage disconnector according to claim 3, characterised in that: The fixed plate (202) is symmetrically distributed front and back with bottom fixed frame (201) as center, and the top of bottom fixed frame (201) is fixedly connected with first support chassis (101).

5. A maintenance-free high voltage disconnector according to claim 1, characterized in that: The main body mechanism (3) includes outlet seat (301), the inside of outlet seat (301) is fixedly connected with electrically conductive rod (302), the surface of electrically conductive rod (302) is fixedly connected with intermediate contact (303), the bottom of outlet seat (301) is fixedly connected with insulating porcelain piece (304), and the inside of insulating porcelain piece (304) is fixedly connected with connecting rod (305).

6. A maintenance-free high voltage disconnector according to claim 5, characterised in that: The outlet seat (301) is symmetrically distributed left and right with bottom fixed frame (201) as center, and the surface of insulating porcelain piece (304) is provided with protection frame two (109).

7. A maintenance-free high voltage disconnector according to claim 6, characterised in that: The surface of insulating porcelain piece (304) is provided with protection frame one (104), and the bottom of insulating porcelain piece (304) is fixedly connected with switch base (204).

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