CN205230914U - Outdoor high -voltage isolating switch - Google Patents
Outdoor high -voltage isolating switch Download PDFInfo
- Publication number
- CN205230914U CN205230914U CN201520938209.2U CN201520938209U CN205230914U CN 205230914 U CN205230914 U CN 205230914U CN 201520938209 U CN201520938209 U CN 201520938209U CN 205230914 U CN205230914 U CN 205230914U
- Authority
- CN
- China
- Prior art keywords
- conducting rod
- isolating switch
- drive shaft
- outdoor high
- voltage isolating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides an outdoor high -voltage isolating switch. This outdoor high -voltage isolating switch includes the static contact, sets up conducting rod, the rotatory turning device of suit on the conducting rod and the rotatory turning device's of drive motor drive mechanism between two static contacts, and the conducting rod both ends are provided with the moving contact with static contact cooperation work. Rotatory turning device includes support, final drive shaft, transmission connecting lever, guide holder, location spring, counter drive shaft and trip shaft. Final drive shaft runs through support and transmission connecting lever and transmission connecting lever fixed connection, the guide holder is connected to transmission connecting lever's one end, and counter drive shaft is connected to transmission connecting lever's the other end, the other end of guide holder is connected in the support, and the guide holder is located to the location spring housing, counter drive shaft's the other end is connected with the one end of trip shaft, the other end through connection conducting rod of trip shaft. The utility model discloses an it is steady reliable that rotatory turning device's outdoor high -voltage isolating switch has the action, closes a floodgate that it is little to assault, and it can the reinforce to cut -off, characteristics such as long service life.
Description
Technical field
The utility model relates to technical field of electrical equipment, particularly relates to a kind of outdoor high-voltage isolating switch.
Background technology
Outdoor high-voltage isolating switch refers to bad weathers such as can bearing wind, rain, snow, filth, condensation, ice and depth hoar, is suitable for the switch being arranged on balcony use.Outdoor high-voltage isolating switch is one of capital equipment in high-tension power transmission and transformation equipment, is a kind of switch that expense is maximum, 2 ~ 4 times of normally circuit breaker, so occupy an important position in electric power system.Because use amount is large, require higher to functional reliability, all have larger impact to the design of electric substation, power plant, foundation and safe operation.
At present, horizontally turning type outdoor disconnector adopts and horizontally rotates the divide-shut brake mode with flip vertical.By pipe box, main switch cutter contact tube is fixed on transmission case, lower end is fixed by rotary flange axle and rotating insulated son, and rotate with rotating insulated son, the turning device of isolating switch is installed on the centre position that three post double-fracture horizontal turnover type isolation switchs dominate electricity, and the horizontal plane that this turning device can realize isolating switch rotates and vertical plane upset.But this isolating switch also exists the deficiency in design, conducting rod upset is promoted by universal joint and the turning rod be arranged between universal joint in turning device, and easy clamping stagnation in universal joint rotation process, and turning rod diameter is too small, easily rupture in operating process, therefore cause turning device to exist useful life is short, action stability is poor technical problem.
Therefore, be necessary to provide a kind of new outdoor high-voltage isolating switch.
Utility model content
For solving the technical problem of turning device action stability difference and easily retardance or the fracture existed in above-mentioned prior art, the utility model provides the turning device that a kind of action stability being applied to outdoor disconnector is good.
A kind of outdoor high-voltage isolating switch, comprise fixed contact, be arranged at conducting rod between described two fixed contacts, be sleeved on the rotary turning device on described conducting rod and drive the motor transmission mechanism of described rotary turning device, described conducting rod two ends are provided with the moving contact with described fixed contact cooperating, described rotary turning device comprises support, final drive shaft, transmission crank arm, guide holder, retainer spring, counter drive shaft and trip shaft, and described final drive shaft runs through described support with described transmission crank arm and is fixedly connected with described transmission crank arm; One end of described transmission crank arm connects described guide holder, and the other end connects described counter drive shaft; The other end of described guide holder is connected to described support, and described retainer spring is sheathed on described guide holder; The other end of described counter drive shaft is connected with one end of described trip shaft, and the other end of described trip shaft runs through and connects described conducting rod.
In one preferred embodiment of the outdoor high-voltage isolating switch provided at the utility model, described support comprises waist hole, and described waist hole is arranged with described trip shaft is corresponding near one end of described support, and described trip shaft abuts described waist hole.
In one preferred embodiment of the outdoor high-voltage isolating switch provided at the utility model, described waist hole is blind hole.
In one preferred embodiment of the outdoor high-voltage isolating switch provided at the utility model, described rotary turning device is located at the mid portion of described conducting rod, described rotary turning device also comprises transmission case, described conducting rod comprises sleeve pipe, described conducting rod level runs through described transmission case, and described conducting rod is fixedly connected with by described sleeve pipe with described transmission case.
In one preferred embodiment of the outdoor high-voltage isolating switch provided at the utility model, described outdoor high-voltage isolating switch also comprises porcelain vase, insulation column and lever, and described porcelain vase, insulation column and lever are connected to described rotary turning bottom of device successively.
In one preferred embodiment of the outdoor high-voltage isolating switch provided at the utility model, described final drive shaft, counter drive shaft and trip shaft all adopt stainless steel shaft.
In one preferred embodiment of the outdoor high-voltage isolating switch provided at the utility model, described fixed contact comprises the U-shaped contact base laterally placed, and the inwall of described U-shaped contact base both sides is respectively arranged with contact, and described contact inside is provided with compression spring.
Compared to prior art, the outdoor high-voltage isolating switch that the utility model provides has following beneficial effect:
One, be sheathed on the transmission crank arm of described final drive shaft and its one end be connected with described counter drive shaft and the other end is fixedly connected on the trip shaft of described conducting rod by arranging, described rotary turning device steadily can realize horizontally rotating of described conducting rod and axial turning action.
Two, described support arranges waist hole, the motion path of described trip shaft is led; Described guide holder, described retainer spring and described waist hole three achieve the accurate combined floodgate of described moving contact and described fixed contact.
Three, described transmission case enhances the Corrosion Protection of described outdoor high-voltage isolating switch.
Four, described final drive shaft, counter drive shaft and trip shaft all adopt stainless steel shaft, extend the useful life of described outdoor high-voltage isolating switch.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of the outdoor high-voltage isolating switch that the utility model provides;
Fig. 2 is the structural representation of the turning device of outdoor high-voltage isolating switch shown in Fig. 1;
Fig. 3 is the structural representation of the fixed contact of the outdoor high-voltage isolating switch that the utility model provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
High voltage isolator is device for switching important in power plant and transformer station's electrical system, and need support the use with primary cut-out, its major function is: ensure High-Voltage Electrical Appliances and the safety of device when service work, play isolation voltage.
Incorporated by reference to consulting Fig. 1, Fig. 2 and Fig. 3, wherein Fig. 1 is the structural representation of the outdoor high-voltage isolating switch that the utility model provides, Fig. 2 is the structural representation of the turning device of outdoor high-voltage isolating switch shown in Fig. 1, and Fig. 3 is the structural representation of the fixed contact of the outdoor high-voltage isolating switch that the utility model provides.Described outdoor high-voltage isolating switch 100 comprises motor transmission mechanism 1, porcelain vase 2, insulation column 3, lever 4, rotary turning device 5, conducting rod 6 and fixed contact 7.The output shaft of described motor transmission mechanism 1 connects described porcelain vase 2, and described porcelain vase 2, insulation column 3 and lever 4 connect from the bottom up successively, and described motor transmission mechanism 1 drives three to rotate.Described rotary turning device 5 is located at directly over described lever 4, and described rotary turning device 5 is connected with described lever 4 axle.Described conducting rod 6 level runs through described rotary turning device 5 and is fixedly connected with it.Described fixed contact 7 is located at the two ends of described conducting rod 6 respectively, and with described conducting rod 6 cooperating.
Described rotary turning device 5 realizes described conducting rod 6 to horizontally rotate the device with flip vertical.Described rotary turning device 5 comprises transmission case 59 and is contained in support 50 in described transmission case 59, final drive shaft 51, transmission crank arm 52, bolt 53, guide holder 54, retainer spring 55, counter drive shaft 56, trip shaft 57 and waist hole 58.
Described support 50 is positioned at the bottom of described transmission case 59, and it is fixedly connected with bottom described transmission case 59 by bolt, and described support 50 is provided with the through hole corresponding with described final drive shaft 51.
One end of described final drive shaft 51 is connected to described lever 4, and the other end runs through described transmission case 59, support 50 and transmission crank arm 52 successively.Described final drive shaft 52 is fixedly connected with described transmission crank arm 52 by described bolt 53.The two ends of described final drive shaft 52 are provided with oilless bearing (not shown), and the effect of described oilless bearing reduces described final drive shaft 51 to rotate clamping stagnation.In the present embodiment, described final drive shaft 51 adopts stainless steel shaft.
Described transmission crank arm 52, described guide holder 54, described retainer spring 55, described counter drive shaft 56, described trip shaft 57 and the waist hole 58 being arranged at described support 50 are the operation elements realizing the upset of described conducting rod 6.One end of described transmission crank arm 52 connects described guide holder 54, and the other end of described guide holder 54 is connected to described support 50, and described retainer spring 55 is sheathed on described guide holder 54.The other end of described transmission crank arm 52 is bolted to connection described counter drive shaft 56, and described counter drive shaft 56 is embedded in described transmission crank arm 52.The other end of described counter drive shaft 56 is fixedly connected with described trip shaft 57 by split pin, and described counter drive shaft 56 is located in distinct plane with described trip shaft 57.One end of described trip shaft 57 abuts described waist hole 58, and its other end runs through and connects described conducting rod 6.In the switching process of described conducting rod 6, described trip shaft 57 is back and forth movement in described waist hole 58.In the present embodiment, described waist hole 58 is blind hole.Described counter drive shaft 56, described trip shaft 57 adopt stainless steel shaft.
Described transmission case 59 adopts the material that Corrosion Protection is good, and its two ends correspondence arranges through hole, for the installation of described conducting rod 6.
Described conducting rod 6 comprises conductor rods 61, sleeve pipe 63, axis hole 65 and moving contact 67.Described conductor rods 61 level runs through described transmission case 59 and is connected and fixed on described transmission case 59 by described sleeve pipe 63.Described axis hole 65 is arranged on described conductor rods 61, for the installation of described trip shaft 57.The two ends of described conducting rod 6 are provided with the moving contact 67 with described fixed contact 7 cooperating.
Described fixed contact 7 comprises contact 71, contact base 73, Compress Spring 75 and arc ignition bar 77.Described contact base 73 is the U-shaped contact base laterally placed, and described contact 71 is arranged on the inwall of described contact base 73 two side respectively, and it is inner that described Compress Spring 75 is positioned at described contact 71, and described arc ignition bar 77 is for arc extinguishing, and it is arranged between described contact 71.
When carrying out closing operation, described motor transmission mechanism 1 drives described porcelain vase 2 and insulation column 3 to rotate, described insulation column 3 drives described lever 4 to rotate, described lever 4 drives described rotary turning device 5 and conducting rod 6 common horizontal to rotate 72 °, the moving contact 67 of described conducting rod 6 enters in the U-shaped contact base of described fixed contact 7, and described conducting rod 6 stops the rotation.Described motor transmission mechanism 1 continues outputting power, and described rotary turning device 5 continues to rotate, and described transmission crank arm 52 drives described guide holder 54 and retainer spring 55 to travel forward, and moves backward in one end of described counter drive shaft 56 and described trip shaft 57.When three is positioned on straight line, described conducting rod 6 completes upset 45 °, and described moving contact 67 and described fixed contact 7 have closed a floodgate.Now, described retainer spring 55 is in stress.
When carrying out sub-switching operation, described motor transmission mechanism 1 drives described rotary turning device 5 to continue to rotate, described transmission crank arm 52 drives described guide holder 54 and retainer spring 55 to move forward, continue to move backward in one end of described counter drive shaft 56 and described trip shaft 57, when described trip shaft 57 arrives the other end in described waist hole 58, described conducting rod 6 completes upset 45 °, and described moving contact 67 is separated with described fixed contact 7.Described rotary turning device 5 continue to rotarily drive described conducting rod 6 horizontally rotate 72 ° after separating brake complete.Now, described retainer spring 55 is in relaxation state.
Described conducting rod 6, when separating brake overturns, needs the moment of torsion that the rotation of the frictional force of the rotation such as starting loop, bearing pivot pin overcoming rotary body rotation, described conducting rod 6 and described transmission case 59 and described moving contact 67 form with the friction of described fixed contact 7 and the energy storage etc. of described retainer spring 55.
The described outdoor high-voltage isolating switch 100 that the utility model provides has following beneficial effect:
One, by being sheathed on the described transmission crank arm 52 of described final drive shaft 51, the described counter drive shaft 56 be fixedly connected with described final drive shaft 51 and one end and being connected with described counter drive shaft 56 and the other end being fixedly connected on the vibrational power flow of the described trip shaft 57 of described conducting rod 6, described rotary turning device 5 steadily can realize horizontally rotating of described conducting rod 6 and axial turning action.
Two, described support 50 arranges described waist hole 58, the motion path of described trip shaft 57 is led; Described guide holder 54, described retainer spring 55 and described waist hole 58 three achieve the accurate combined floodgate of described moving contact 67 and described fixed contact 7.
Three, described transmission case 59 enhances the Corrosion Protection of described outdoor high-voltage isolating switch 100.
Four, described final drive shaft 51, counter drive shaft 56 and trip shaft 57 all adopt stainless steel shaft, extend the useful life of described outdoor high-voltage isolating switch 100.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. an outdoor high-voltage isolating switch, comprise two fixed contacts, be arranged at the conducting rod described in two between fixed contact, be sleeved on the rotary turning device on described conducting rod and drive the motor transmission mechanism of described rotary turning device, described conducting rod two ends are provided with the moving contact with described fixed contact cooperating, it is characterized in that, described rotary turning device comprises support, final drive shaft, transmission crank arm, guide holder, retainer spring, counter drive shaft and trip shaft, described final drive shaft runs through described support with described transmission crank arm and to be fixedly connected with described transmission crank arm, one end of described transmission crank arm connects described guide holder, and the other end connects described counter drive shaft, the other end of described guide holder is connected to described support, and described retainer spring is sheathed on described guide holder, the other end of described counter drive shaft is connected with one end of described trip shaft, and the other end of described trip shaft runs through and connects described conducting rod.
2. outdoor high-voltage isolating switch according to claim 1, is characterized in that, described support comprises waist hole, and described waist hole is arranged with described trip shaft is corresponding near one end of described support, and described trip shaft abuts described waist hole.
3. outdoor high-voltage isolating switch according to claim 2, is characterized in that, described waist hole is blind hole.
4. outdoor high-voltage isolating switch according to claim 1, it is characterized in that, described rotary turning device is located at the mid portion of described conducting rod, described rotary turning device also comprises transmission case, described conducting rod comprises sleeve pipe, described conducting rod level runs through described transmission case, and described conducting rod is fixedly connected with by described sleeve pipe with described transmission case.
5. outdoor high-voltage isolating switch according to claim 1, it is characterized in that, described outdoor high-voltage isolating switch also comprises porcelain vase, insulation column and lever, and described porcelain vase, insulation column and lever are connected to described rotary turning bottom of device successively.
6. outdoor high-voltage isolating switch according to claim 1, is characterized in that, described final drive shaft, counter drive shaft and trip shaft all adopt stainless steel shaft.
7. outdoor high-voltage isolating switch according to claim 1, is characterized in that, described fixed contact comprises the U-shaped contact base laterally placed, and the inwall of described U-shaped contact base both sides is respectively arranged with contact, and described contact inside is provided with compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520938209.2U CN205230914U (en) | 2015-11-23 | 2015-11-23 | Outdoor high -voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520938209.2U CN205230914U (en) | 2015-11-23 | 2015-11-23 | Outdoor high -voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205230914U true CN205230914U (en) | 2016-05-11 |
Family
ID=55905960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520938209.2U Expired - Fee Related CN205230914U (en) | 2015-11-23 | 2015-11-23 | Outdoor high -voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205230914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216093A (en) * | 2017-07-05 | 2019-01-15 | 河南平高电气股份有限公司 | Disconnecting switch and its operating mechanism |
-
2015
- 2015-11-23 CN CN201520938209.2U patent/CN205230914U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216093A (en) * | 2017-07-05 | 2019-01-15 | 河南平高电气股份有限公司 | Disconnecting switch and its operating mechanism |
| CN109216093B (en) * | 2017-07-05 | 2020-10-02 | 河南平高电气股份有限公司 | Isolating switch and operating mechanism thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20191123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |