CN210245383U

CN210245383U - Lightning-protection outdoor isolating switch

Info

Publication number: CN210245383U
Application number: CN201921488514.0U
Authority: CN
Inventors: Tao Zhang; 张涛; Shengfei Ding; 丁声飞; Limin Yao; 姚丽敏
Original assignee: Zhenjiang Huali Switchgear Co Ltd
Current assignee: Zhenjiang Huali Switchgear Co Ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-04-03
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses an outdoor isolator of lightning-arrest formula, which comprises a bracket, the top fixed mounting of support has the fixing base, the top of support is equipped with the mount pad, the top fixed mounting of mount pad has isolator body and arrester, the constant head tank has been seted up to the bottom of mount pad, the top slidable mounting of fixing base is in the constant head tank, the draw-in groove that is located the constant head tank is all seted up to the both sides of fixing base, the spout has all been seted up on the both sides inner wall of constant head tank, the mounting hole has all been seted up on the one side inner wall that two spouts were kept away from each other, all rotate in two mounting holes and install the pivot, the one end of pivot extends to outside the mounting hole, the thread. The utility model discloses the practicality is good, reasonable in design, and the simple operation is convenient for install fixed and dismantle the maintenance change with the arrester to isolator body, and labour saving and time saving improves work efficiency, has reduced the danger that brings when the operation moreover.

Description

Lightning-protection outdoor isolating switch

Technical Field

The utility model relates to a high tension switchgear technical field specifically is an outdoor isolator of lightning-arrest formula.

Background

The isolating switch is a switch device which is mainly used for isolating a power supply and switching-off operation, is used for connecting and cutting off a small current circuit and has no arc extinguishing function, when the isolating switch is in a separated position, an insulating distance meeting the specified requirements and an obvious breaking mark are arranged between contacts, when the isolating switch is in a closed position, the switch device can bear the current under the normal loop condition and the current under the abnormal condition within the specified time, the switch device is generally used as a high-voltage isolating switch, namely the isolating switch with the rated voltage of more than 1kV, the working principle and the structure of the switch device are simpler, but the operating reliability requirement is high due to large using amount, the influence on the design, the establishment and the safe operation of a power substation and a power plant is larger, the isolating switch has the main characteristics of no arc extinguishing capability, the circuit can be separated and closed only under the condition of no load current, in life, the outdoor isolating switch is generally installed at a high place, therefore, the lightning arrester is arranged on the isolating switch to protect the isolating switch.

However, among the prior art, outdoor isolator of lightning-arrest formula is generally through the connection cooperation of a plurality of bolts and nut to its fixed mounting on the support of high latitude, because bolt and nut expose in the air for a long time, the time causes bolt and nut to take place the corrosion for a long time easily, when needs are dismantled outdoor isolator of lightning-arrest formula, be difficult for dismantling bolt and nut, waste time and energy, and high altitude construction has certain potential safety hazard, the operation is inconvenient during high altitude construction, thereby lead to work efficiency low, for this reason, we provide an outdoor isolator of lightning-arrest formula and are used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a lightning-arrest formula outdoor isolator has solved the outdoor isolator of lightning-arrest formula and has been not convenient for install and dismantle the maintenance, and the operation is inconvenient, problem that work efficiency is low.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a lightning-protection outdoor isolating switch comprises a bracket, wherein a fixed seat is fixedly installed at the top of the bracket, a mounting seat is arranged above the bracket, an isolating switch body and a lightning arrester are fixedly installed at the top of the mounting seat, a positioning groove is formed in the bottom of the mounting seat, the top of the fixed seat is slidably installed in the positioning groove, clamping grooves located in the positioning groove are formed in two sides of the fixed seat, sliding grooves are formed in inner walls of two sides of the positioning groove, mounting holes are formed in inner walls of one sides, away from each other, of the two sliding grooves, rotating shafts are rotatably installed in the two mounting holes, one ends of the rotating shafts extend out of the mounting holes, threaded grooves are formed in the ends, located in the corresponding mounting holes, screw rods are threadedly installed in the two threaded grooves, one ends, away from each other, of the two screw rods respectively penetrate through the corresponding sliding grooves and extend into the positioning, the two springs are respectively sleeved on the corresponding screw rods, one ends, close to each other, of the two springs respectively extend into the corresponding positioning grooves, clamping blocks are fixedly mounted at one ends, close to each other, of the two springs, one sides, close to each other, of the two clamping blocks are respectively slidably mounted in the corresponding clamping grooves, and one ends, close to each other, of the two screw rods are respectively in contact with the corresponding clamping blocks.

Preferably, the top of the support is fixedly provided with two guide rods, the fixing seat is positioned between the two guide rods, the bottom of the mounting seat is provided with two guide grooves, and the top ends of the two guide rods are respectively slidably mounted in the corresponding guide grooves.

Preferably, the inner walls of the two mounting holes are fixedly provided with annular grooves, the two rotating shafts are fixedly sleeved with annular blocks, and the two annular blocks are rotatably mounted in the corresponding annular grooves respectively.

Preferably, sealing rings are fixedly installed in the two mounting holes, the two sealing rings are sleeved on the corresponding rotating shafts respectively, and the rotating shafts are in rotating sealing fit with the mounting holes through the sealing rings.

Preferably, the limiting grooves are formed in the tops of the two screw rods, the limiting rods are fixedly mounted on the inner walls of the tops of the two mounting holes, and the bottoms of the two limiting rods are slidably mounted in the corresponding limiting grooves respectively.

Preferably, the handles are fixedly arranged at the ends, far away from each other, of the two rotating shafts, and the insulating rubber sleeves are fixedly sleeved on the two handles.

(III) advantageous effects

The utility model provides an outdoor isolator of lightning-arrest formula. The method has the following beneficial effects:

(1) this outdoor isolator of lightning-arrest formula, through clockwise two handles of rotation in proper order, two handles drive corresponding pivot respectively and rotate, under the spacing cooperation of gag lever post and spacing groove, the lead screw removes to the direction of corresponding thread inslot, under the spring action of spring, the fixture block slides to the outer direction of corresponding draw-in groove gradually, and remove in to corresponding spout, after two fixture blocks roll-off corresponding draw-in grooves respectively are outer, alright the mount pad, isolator body and arrester are dismantled down from the fixing base, the maintenance or change are overhauld to isolator body and arrester to the convenience, and the dismounting is convenient, and the time saving is saved, the difficult degree when having reduced high altitude construction.

(2) The lightning-protection outdoor isolating switch is characterized in that a mounting seat is mounted at the top of the mounting seat, the mounting seat is inserted into a positioning groove, two guide rods are respectively inserted into corresponding guide grooves, the mounting seat is preliminarily positioned by utilizing the matching of the two guide rods and the two guide grooves, then two handles are sequentially rotated anticlockwise, similarly, a screw rod moves towards the outside of the corresponding thread groove, the screw rod pushes a corresponding clamping block to move towards the inside of the corresponding clamping groove, the spring is stretched and deformed to generate elasticity due to the movement of the clamping block, after the two clamping blocks respectively slide into the corresponding clamping grooves, the mounting seat, an isolating switch body and a lightning arrester are fixedly mounted on the mounting seat, the mounting seat is firmly mounted and fixed by utilizing the elastic action of the two springs, the mounting holes can be sealed by utilizing two sealing rings, and rainwater is prevented from entering the mounting holes, so that the two screw rods are not easy to rust.

Drawings

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

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure: 1. a support; 2. a fixed seat; 3. a mounting seat; 4. an isolation switch body; 5. a lightning arrester; 6. positioning a groove; 7. a card slot; 8. a chute; 9. mounting holes; 10. a rotating shaft; 11. a thread groove; 12. a screw rod; 13. a spring; 14. and (7) clamping blocks.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, the utility model provides a technical solution: a lightning-protection outdoor isolating switch comprises a bracket 1, a fixed seat 2 is fixedly installed at the top of the bracket 1, a mounting seat 3 is arranged above the bracket 1, an isolating switch body 4 and a lightning arrester 5 are fixedly installed at the top of the mounting seat 3, a positioning groove 6 is formed in the bottom of the mounting seat 3, the top of the fixed seat 2 is slidably installed in the positioning groove 6, clamping grooves 7 located in the positioning groove 6 are formed in both sides of the fixed seat 2, sliding grooves 8 are formed in both inner walls of both sides of the positioning groove 6, mounting holes 9 are formed in the inner wall of one side, away from each other, of the two sliding grooves 8, rotating shafts 10 are rotatably installed in the two mounting holes 9, one ends of the rotating shafts 10 extend out of the mounting holes 9, threaded grooves 11 are formed in one ends, located in the corresponding mounting holes 9, lead screws 12 are threadedly installed in both threaded grooves 11, one ends, away from each other, of the two lead screws 12 respectively penetrate through the corresponding, the springs 13 are fixedly mounted on the inner wall of one side, away from each other, of the two sliding grooves 8, the two springs 13 are respectively sleeved on the corresponding screw rods 12, one ends, close to each other, of the two springs 13 respectively extend into the corresponding positioning grooves 6, the clamping blocks 14 are fixedly mounted at one ends, close to each other, of the two springs 13, one sides, close to each other, of the two clamping blocks 14 are respectively slidably mounted in the corresponding clamping grooves 7, and one ends, close to each other, of the two screw rods 12 are respectively in contact with the corresponding clamping blocks 14.

The top of the bracket 1 is fixedly provided with two guide rods, the fixed seat 2 is positioned between the two guide rods, the bottom of the mounting seat 3 is provided with two guide grooves, the top ends of the two guide rods are respectively and slidably mounted in the corresponding guide grooves, the inner walls of the two mounting holes 9 are respectively and fixedly provided with a ring groove, the two rotating shafts 10 are respectively and fixedly sleeved with a ring block, the two ring blocks are respectively and rotatably mounted in the corresponding ring grooves, the two mounting holes 9 are respectively and fixedly provided with a sealing ring, the two sealing rings are respectively sleeved on the corresponding rotating shafts 10, the rotating shafts 10 are in rotary sealing fit with the mounting holes 9 through the sealing rings, the tops of the two lead screws 12 are respectively provided with a limiting groove, the inner walls of the tops of the two mounting holes 9 are respectively and fixedly provided with a limiting rod, the bottoms of the two limiting rods are respectively and slidably mounted in the, insulating rubber sleeves are fixedly sleeved on the two handles.

When the isolating switch body 4 and the lightning arrester 5 need to be disassembled, firstly, the two handles are sequentially rotated clockwise, the two handles drive the corresponding rotating shafts 10 to rotate respectively, the rotating shafts 10 drive the annular blocks to rotate in the annular grooves, as the threaded grooves 11 are in threaded connection and match with the corresponding screw rods 12, in the rotating process of the rotating shafts 10, the screw rods 12 move towards the corresponding threaded grooves 11 under the limit matching of the limiting rods and the limiting grooves, the clamping blocks 14 slide towards the direction outside the corresponding clamping grooves 7 gradually and move towards the corresponding sliding grooves 8 under the elastic force action of the springs 13, the limiting rods slide in the limiting grooves, after the two clamping blocks 14 slide out of the corresponding clamping grooves 7 respectively, the fixing of the mounting seat 3 is released, and then the mounting seat 3, the isolating switch body 4 and the lightning arrester 5 can be disassembled from the fixing seat 2, the isolating switch body 4 and the lightning arrester 5 are convenient to overhaul, maintain or replace, the operation is convenient, when the installation seat 3, the isolating switch body 4 and the lightning arrester 5 need to be reinstalled and fixed, the installation seat 3 is installed at the top of the fixed seat 2, the fixed seat 2 is inserted into the positioning groove 6, the two guide rods are respectively inserted into the corresponding guide grooves, the installation seat 3 is preliminarily positioned by utilizing the matching of the two guide rods and the two guide grooves, then the two handles are sequentially rotated anticlockwise, the lead screw 12 moves towards the corresponding thread groove 11, the lead screw 12 pushes the corresponding fixture block 14 to move towards the corresponding clamping groove 7, the spring 13 is subjected to tensile deformation to generate elasticity due to the movement of the fixture block 14, after the two fixture blocks 14 respectively slide into the corresponding clamping grooves 7, the two handles stop rotating, namely, the installation seat 3, the isolating switch body 4 and the lightning arrester 5 are fixed on the fixed seat 2, the installation seat 3 is firmly installed and fixed by utilizing the elastic force action of the two springs 13, the installation hole 9 can be sealed by utilizing the two sealing rings, rainwater is prevented from entering the installation hole 9, the two screw rods 12 are not prone to rusting, the service life of the screw rods 12 is prolonged, and the contents which are not described in detail in the specification belong to the prior art which is known by professional technicians in the field.

To sum up, the lightning-protection outdoor isolating switch has the advantages that when the isolating switch body 4 and the lightning arrester 5 are disassembled, the two handles are sequentially rotated clockwise, the two handles respectively drive the corresponding rotating shafts 10 to rotate, the screw rods 12 move towards the corresponding thread grooves 11 under the limit matching of the limiting rods and the limiting grooves, the clamping blocks 14 gradually slide towards the outer direction of the corresponding clamping grooves 7 and move towards the corresponding sliding grooves 8 under the elastic force action of the springs 13, after the two clamping blocks 14 respectively slide out of the corresponding clamping grooves 7, the mounting seat 3, the isolating switch body 4 and the lightning arrester 5 can be disassembled from the fixing seat 2, the isolating switch body 4 and the lightning arrester 5 can be conveniently maintained or replaced, the disassembling is convenient, the time is saved, the difficulty degree in high-altitude operation is reduced, when the mounting seat 3, the isolating switch body 4 and the lightning arrester 5 need to be re-assembled and fixed, the mounting seat 3 is arranged at the top of the fixing seat 2, the fixing seat 2 is inserted into the positioning groove 6, the two guide rods are respectively inserted into the corresponding guide grooves, the mounting seat 3 is preliminarily positioned by utilizing the matching of the two guide rods and the two guide grooves, then the two handles are sequentially rotated anticlockwise, similarly, the screw rod 12 moves towards the outside of the corresponding thread groove 11, the screw rod 12 pushes the corresponding fixture block 14 to move towards the corresponding clamping groove 7, the spring 13 is stretched and deformed to generate elasticity due to the movement of the fixture block 14, after the two fixture blocks 14 respectively slide into the corresponding clamping grooves 7, the mounting seat 3, the isolating switch body 4 and the lightning arrester 5 are fixedly arranged on the fixing seat 2, the mounting seat 3 is firmly arranged and fixed by utilizing the elastic action of the two springs 13, the mounting hole 9 can be sealed by utilizing the two sealing rings, and rainwater is prevented from entering the mounting hole 9, make two lead screws 12 should not rust, the utility model discloses the practicality is good, reasonable in design, and the simple operation is convenient for install fixed and dismantle the maintenance change to isolator body 4 and arrester 5, and labour saving and time saving improves work efficiency, has reduced the danger that brings during the operation moreover.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an outdoor isolator of lightning-arrest formula, includes support (1), its characterized in that: a fixed seat (2) is fixedly installed at the top of the support (1), a mounting seat (3) is arranged above the support (1), an isolating switch body (4) and a lightning arrester (5) are fixedly installed at the top of the mounting seat (3), a positioning groove (6) is formed in the bottom of the mounting seat (3), the top of the fixed seat (2) is slidably installed in the positioning groove (6), clamping grooves (7) located in the positioning groove (6) are formed in two sides of the fixed seat (2), sliding grooves (8) are formed in inner walls of two sides of the positioning groove (6), mounting holes (9) are formed in inner walls of one sides, far away from each other, of the two sliding grooves (8), rotating shafts (10) are rotatably installed in the two mounting holes (9), one ends of the rotating shafts (10) extend out of the mounting holes (9), threaded grooves (11) are formed in the ends, located in the corresponding mounting holes (9), of the, equal threaded installation has lead screw (12) in two thread grooves (11), equal division of the one end that two lead screws (12) kept away from each other do not run through corresponding spout (8) and extend to in constant head tank (6), equal fixed mounting has spring (13) on the one side inner wall that two spout (8) kept away from each other, two springs (13) overlap respectively and establish on corresponding lead screw (12), the one end that two springs (13) are close to each other extends to in corresponding constant head tank (6) respectively, the equal fixed mounting of the one end that two springs (13) are close to each other has fixture block (14), one side that two fixture blocks (14) are close to each other is slidable mounting respectively in corresponding draw-in groove (7), the one end that two lead screws (12) are close to each other contacts with corresponding fixture block (14) respectively.

2. A lightning protected outdoor disconnector according to claim 1, characterized in that: the top fixed mounting of support (1) has two guide bars, and fixing base (2) are located between two guide bars, and two guide ways have been seted up to the bottom of mount pad (3), and the top of two guide bars is slidable mounting respectively in corresponding guide way.

3. A lightning protected outdoor disconnector according to claim 1, characterized in that: the inner walls of the two mounting holes (9) are fixedly provided with annular grooves, the two rotating shafts (10) are fixedly sleeved with annular blocks, and the two annular blocks are rotatably mounted in the corresponding annular grooves respectively.

4. A lightning protected outdoor disconnector according to claim 1, characterized in that: sealing rings are fixedly installed in the two mounting holes (9), the two sealing rings are sleeved on the corresponding rotating shafts (10) respectively, and the rotating shafts (10) are in rotating sealing fit with the mounting holes (9) through the sealing rings.

5. A lightning protected outdoor disconnector according to claim 1, characterized in that: the limiting grooves are formed in the tops of the two screw rods (12), limiting rods are fixedly mounted on the inner walls of the tops of the two mounting holes (9), and the bottoms of the two limiting rods are slidably mounted in the corresponding limiting grooves respectively.

6. A lightning protected outdoor disconnector according to claim 1, characterized in that: the handles are fixedly arranged at the ends, far away from each other, of the two rotating shafts (10), and the insulating rubber sleeves are fixedly sleeved on the two handles.