CN201266797Y - Safety logging-free distribution transformer platform - Google Patents
Safety logging-free distribution transformer platform Download PDFInfo
- Publication number
- CN201266797Y CN201266797Y CNU2008202183312U CN200820218331U CN201266797Y CN 201266797 Y CN201266797 Y CN 201266797Y CN U2008202183312 U CNU2008202183312 U CN U2008202183312U CN 200820218331 U CN200820218331 U CN 200820218331U CN 201266797 Y CN201266797 Y CN 201266797Y
- Authority
- CN
- China
- Prior art keywords
- voltage
- low
- platform
- ground wire
- transformer
- 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
Links
Images
Abstract
The utility model relates to power equipment, namely, a safety climbing-free power distribution transformer platform; the high-voltage side of the transformer platform is provided with a high-voltage ground wire 5, and the low-voltage side of the transformer platform is provided with a low-voltage ground wire 19; and a high-voltage switch 3 does an opening or shutting action with a high-voltage lead end or the high-voltage ground wire 5 under the drive of a drive rod 6. A low-voltage output line 11 extends down to a low-voltage disconnecting link box 15 at the lower part of a support 14 of the transformer platform; and a lower gate 18 in the box is connected with the low-voltage ground wire 19. As two sides of the high and low voltage are both provided with ground wires, the requirement for grounding at two operating ends of the transformer platform is met, the trouble of temporarily hanging grounding wires is avoided, and the safety performance is enhanced. As the high-voltage switch drive rod and a low-voltage disconnecting link are installed, a maintainer can operate the high-voltage switch and the low-voltage switch on the ground so as to achieve the aim of 'four climbing-frees on the transformer platform', namely, hanging high-voltage ground wire does not need to climb on the transformer platform, hanging low-voltage ground wire does not need to climb on the transformer platform, changing fuses does not need to climb on the transformer platform, and measuring current and voltage does not need to climb on the transformer platform. Simultaneously, parts such as supports and the like are saved; and the equipment has the advantages of simple structure, easy operation, convenient installation, materials conservation, less land occupying area, and the like.
Description
Technical field
The utility model relates to a kind of power equipment, and promptly a kind of safety exempts to step on the distribution transformer platform.
Background technology
It is the abbreviation of distribution transformer platform on the post that distribution becomes platform, and distribution is equipped with transformer above becoming platform, transformer input termination high-tension line, and its output termination low-voltage circuit can become high-tension electricity the low tension that the user needs.The platform of the distribution in cities and towns change at present mostly is the three pillar type distribution and becomes platform.One of them electric post is the high-tension electricity post, and two is to support the important actor that becomes platform in addition.Weight according to transformer, adopt an important actor and high-tension electricity post to match, just can support the change platform, it is too near can to make change platform and high pressure introduce member distance like this, very dangerous when personnel go up on the stage to safeguard, so the place still adopts the three pillar type distribution to become platform mostly.Although adopted three pillar type to become platform, because work high above the ground, the operating space is little, existing high pressure, again low pressure is arranged, and its operational security is still very poor.Even left behind high-voltage switch gear before personnel go up on the stage operation, attendant's electrification accident also happens occasionally.In order to address this problem, expressly provide necessary high-low pressure both sides hanging earthing conductor when distribution becomes the platform operation in " electric industry safety in production rules ", but existing distribution becomes the position that platform does not have hanging earthing conductor, ground wire is very heavy, the operating personnel feels trouble, and these rules are difficult to carry out and implement.Therefore, producer of device fabrication in recent years and power supply management department are all studied in the problem that becomes platform operation hanging earthing conductor around distribution, but do not make a breakthrough yet so far.
Summary of the invention
The purpose of this utility model provides a kind of safe and reliable, simple in structure, easy to operate safety and exempts to step on the distribution transformer platform.
Above-mentioned purpose is realized by following technical scheme: develop a kind of safety and exempt to step on the distribution transformer platform, constituted by high-tension electricity post, change platform pillar, change platform and transformer, on high-tension electricity post top, by fixed mount high-voltage switch gear is housed, the upper contact head of high-voltage switch gear and the coupling mutually of high-voltage connection terminal, the bottom of high-voltage switch gear connects the transformer incoming line, and the transformer output line connects low-voltage line.Different is: said change platform pillar has only one, becomes platform and transformer with high-tension electricity post together support; The high pressure ground wire is housed in the high-pressure side, the low pressure ground wire is housed in low-pressure side; The high pressure ground wire be contained in high-voltage switch gear below, the high-voltage switch gear here is the high pressure plug-in strip that a kind of and transformer input lead join, the high pressure plug-in strip upwards can with the coupling mutually of high-voltage connection end, downwards can with the upper end coupling mutually of high pressure ground wire; In high-tension electricity post one side drive rod is housed, the drive rod upper end links to each other with the disconnecting link of high-voltage switch gear, reaches the driving box of high-tension electricity post bottom under the lower end of drive rod; In change platform pillar bottom low pressure disconnecting link case is housed, the low pressure output line of transformer extends downward low pressure disconnecting link case, on in the disconnecting link case the last sluice gate that joins with the low pressure output line is arranged, the following sluice gate that joins with the low pressure ground wire is arranged down, the middle part hinge has the plug-in strip that can combine with last sluice gate or following sluice gate, the plug-in strip hinged end picks out low-voltage lead, and low-voltage lead upwards connects low-voltage line.
Said high-voltage switch gear is a kind of oscillating rod type switch, fork middle part and fixed mount be hinge and link to each other with the transformer input lead mutually, fork upper end has and the high-voltage connection end upper contact head of coupling mutually, the fork lower end has and the high pressure ground wire upper end following contact of coupling mutually, and fork links to each other with pawling of said drive rod upper end.
Said high-voltage switch gear is located at the high pressure drop switch to the high pressure incoming line between the transformer input.
Said on high-tension side high-voltage switch gear adopts injecting type all insulation fuse switch.
Be provided with the air switch of band overcurrent tripping function in the low pressure disconnecting link case of said low-pressure side.
Said driving box and disconnecting link case all are provided with the faulty action preventing lock.
The beneficial effects of the utility model are: owing in the high-low pressure both sides ground wire is housed all, and the double-throw switch that promptly engages when disconnection is housed with ground wire, satisfy the requirement that becomes platform operation two-terminal-grounding, avoided the trouble of interim hanging earthing conductor, improved security performance.Owing to assembled high-voltage switch gear drive rod and low pressure disconnecting link, the attendant can handle high-voltage switch gear and low tension switch on the ground, has reached " four do not appear on the stage " and has promptly hung the high pressure ground wire and do not appear on the stage, and hangs the low pressure ground wire and does not appear on the stage, change insurance and do not appear on the stage, survey the purpose that current/voltage is not appeared on the stage.Also saved a pillar simultaneously, have simple in structure, easy to operate, be convenient to install, save material, take up an area of characteristics such as less.
Description of drawings
Fig. 1 is the front view of a kind of embodiment;
Fig. 2 is the high-pressure side partial structurtes schematic diagram of this embodiment;
Fig. 3 is the low-pressure side partial structurtes schematic diagram of this embodiment.
Among the figure as seen: high-voltage line 1, high-voltage connection 2, high-voltage switch gear 3, high-tension electricity post 4, high pressure ground wire 5, drive rod 6 becomes platform 7, driving box 8, high pressure incoming line 9, transformer 10, low pressure output line 11, low-voltage line 12, low-voltage lead 13 becomes platform pillar 14, low pressure disconnecting link case 15, last sluice gate 16, Low voltage knife switch 17, following sluice gate 18, low pressure ground wire 19, high-voltage connection end 20, upper contact head 21, fork 22, following contact 23, high pressure ground terminal 24.
Embodiment
As shown in Figure 1, this change platform 7 is by high-tension electricity post 4 and becomes platform pillar 14 that just the low tension post supports, and transformer 10 is installed above.Become platform with routine and compare, used a pillar less.Why having saved a pillar 14, is because the fail safe of this change platform 7 has improved, and transformer 10 can be near apart from the high-pressure side.And the raising of fail safe realizes by following improvement: the side at high-tension electricity post 4 is equipped with a high pressure ground wire 5, above high pressure ground wire 5, one cover high-voltage switch gear 3 is housed on the fixed mount on high-tension electricity post 4 tops, this high-voltage switch gear 3 has a high pressure plug-in strip that links to each other with transformer high-voltage incoming line 9, the high pressure plug-in strip upwards can with the coupling mutually of high-voltage connection 2 lower ends, downwards can with 24 couplings mutually of high pressure ground wire upper end.Side at high-tension electricity post 4 also is equipped with a drive rod 6, the upper end of drive rod 6 pushing and pressing high pressure plug-in strip, and the lower end of drive rod 6 enters in the driving box 8 below the high-tension electricity post 4.At ordinary times, this driving box 8 is lockings, when needing repairing, opens this case, handles drive rod and draws back the high pressure plug-in strip downwards, and the high-pressure side promptly disconnects, and the high pressure plug-in strip is engaged with the upper end of high pressure ground wire, and ground wire is in running order.In low-pressure side, the bottom of low tension post 14 be equipped with again one can locking chest, Here it is low pressure disconnecting link case 15.Sluice gate 16 on one group is arranged at top, low pressure disconnecting link case 15 the inside, sluice gate 18 under one group is arranged at the bottom, one group of Low voltage knife switch 17 of middle hinge, be connected to low pressure ground wire 19 below the following sluice gate 18, the low pressure output line 11 that connects transformer on the last sluice gate 16, Low voltage knife switch 17 upwards can be harmonious with last sluice gate 16, can be harmonious with following sluice gate 18 downwards, its hinge links to each other with low-voltage lead 13, and low-voltage lead 13 upwards joins with low-voltage line 12.When needing repairing low-voltage circuit, open low pressure disconnecting link case 15, the Low voltage knife switch 17 of leaving behind, and Low voltage knife switch 17 engaged with ground wire 19, get final product safety operation.
As shown in Figure 2, this high-voltage switch gear 3 also can be the fork 22 of a bending, the fork upper end is a upper contact head 21, the lower end of fork is following contact 23, fork links to each other with pawling of drive rod 6 upper ends, when pushing away on the drive rod 6, upper contact head 21 and top high-voltage connection end 20 engage, otherwise engage with following high pressure ground wire upper end 24.
High-voltage switch gear recommend to adopt injecting type all insulation fuse switch, and the accident that can avoid traditional drop type switch to fall voluntarily being linked to be phase fault takes place.Keep in the high-pressure side under the situation of original drop switch, this high-voltage switch gear 3 can be contained in the middle of the high pressure incoming line 9 between former drop switch and the transformer high-voltage input.Because the high pressure disconnecting link is installed, when requiring high pressure to have a power failure, only need the operation disconnecting link to get final product, avoid or reduced the operation of drop switch.
As shown in Figure 3, low-pressure side adopts the low pressure case structure, with original low pressure insurance cancellation, adopts the air switch of band overcurrent tripping function, the double-throw disconnecting link is installed, an end load, an end ground connection, when operation, draw back disconnecting link, be incorporated into earth terminal, low-pressure side grounding requirement in the time of can satisfying operation like this.
This distribution becomes platform and has compared following advantage with tradition change platform:
(1), material-saving
Because distribution becomes the project that platform has reduced the operation of appearing on the stage, and has structurally omitted an electric post, by three posts Formula becomes two pillars. Saved and walked on stage, cancelled the low pressure insurance, saved low pressure insurance cross-arm. Cancelled Horizontal bus has reduced the bus load.
(2), stable
Change traditional distribution and become platform determines the channel-section steel width with electric pole structural relation. Adopt fixedly channel-section steel width, All be connected and fixed the employing screw structural, it is more stable to make distribution become platform.
(3), easy for installation
Distribution becomes platform and adopts human oriented design, and the Zhi Tie, holder iron, the newspaper hoop that traditional distribution are become platform are integrated, Only just can fix with four screws when mounted, on-the-spot installation be saved time save trouble, need not material, directly install, Make the installation hommization.
(4), safe and reliable
Distribution change platform with earthing or grounding means has not only satisfied State Grid Corporation of China's " electric industry safety in production rule Journey " " distribution become platform operation must high-low pressure both sides hanging ground-wire " requirement of regulation, and realized " four do not appear on the stage ", Namely hang high-voltage ground wire and do not appear on the stage, hang low-voltage ground wire and do not appear on the stage, change insurance and do not appear on the stage, survey current/voltage and do not go up Platform. Simultaneously perfect change platform function makes that to become platform user-friendly for operation, and equipment is evolved earlier, function program
Claims (6)
1. a safety exempts to step on the distribution transformer platform, constituted by high-tension electricity post (4), change platform pillar (14), change platform (7) and transformer (10), on high-tension electricity post (4) top, by fixed mount high-voltage switch gear (3) is housed, the upper contact head (21) of high-voltage switch gear (3) and the coupling mutually of high-voltage connection terminal, the bottom of high-voltage switch gear (3) connects transformer incoming line (9), transformer output line (11) connects low-voltage line (12), it is characterized in that: said change platform pillar (14) has only one, becomes platform (7) and transformer (10) with high-tension electricity post (4) together support; High pressure ground wire (5) is housed in the high-pressure side, low pressure ground wire (19) is housed in low-pressure side; High pressure ground wire (5) be contained in high-voltage switch gear (3) below, the high-voltage switch gear here (3) is a kind of high pressure plug-in strip that joins with transformer incoming line (9), the high pressure plug-in strip upwards can with the coupling mutually of high-voltage connection end, downwards can with the coupling mutually of high pressure ground wire (5) upper end; In high-tension electricity post (4) one sides drive rod (6) is housed, drive rod (6) upper end links to each other with the disconnecting link of high-voltage switch gear (3), reaches the driving box (8) of high-tension electricity post (4) bottom under the lower end of drive rod (6); Low pressure disconnecting link case (15) is housed becoming below the platform or become platform pillar (14) bottom, the low pressure output line (11) of transformer (10) extends downward low pressure disconnecting link case (15), low pressure disconnecting link case (15) internal upper part has the last sluice gate (16) that joins with low pressure output line (11), the following sluice gate (18) that joins with low pressure ground wire (19) is equipped with in the bottom, the middle part hinge has the Low voltage knife switch (17) that can combine with last sluice gate (16) or following sluice gate (18), Low voltage knife switch (17) hinged end picks out low-voltage lead (13), and low-voltage lead (13) upwards connects low-voltage line (12).
2. safety according to claim 1 exempts to step on the distribution transformer platform, it is characterized in that: said high-voltage switch gear (3) is a kind of oscillating rod type switch, fork (22) middle part and fixed mount be hinge and link to each other with transformer incoming line (9) mutually, fork (22) upper end have can with high-voltage connection end (20) upper contact head of coupling (21) mutually, fork (22) lower end have can with high pressure ground wire (5) the upper end following contact (23) of coupling mutually, pawling on fork (22) and the said drive rod (6) links to each other.
3. safety according to claim 1 exempts to step on the distribution transformer platform, it is characterized in that: said high-voltage switch gear (3) is located at the high pressure drop switch to the high pressure incoming line (9) between the transformer input.
4. safety according to claim 1 exempts to step on the distribution transformer platform, it is characterized in that: said high-voltage switch gear (3) adopts injecting type all insulation fuse switch.
5. safety according to claim 1 exempts to step on the distribution transformer platform, it is characterized in that: the air switch that is provided with band overcurrent tripping function in the low pressure disconnecting link case (15) of said low-pressure side.
6. safety according to claim 1 exempts to step on the distribution transformer platform, it is characterized in that: said driving box (8) and low pressure disconnecting link case (15) all are provided with the faulty action preventing lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202183312U CN201266797Y (en) | 2008-09-30 | 2008-09-30 | Safety logging-free distribution transformer platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202183312U CN201266797Y (en) | 2008-09-30 | 2008-09-30 | Safety logging-free distribution transformer platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201266797Y true CN201266797Y (en) | 2009-07-01 |
Family
ID=40833167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202183312U Expired - Fee Related CN201266797Y (en) | 2008-09-30 | 2008-09-30 | Safety logging-free distribution transformer platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201266797Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623911A (en) * | 2012-04-25 | 2012-08-01 | 山西省电力公司长治供电分公司 | 10KV transformer stand |
| CN105552748A (en) * | 2015-12-08 | 2016-05-04 | 国网浙江省电力公司丽水供电公司 | Low-voltage power distribution box |
-
2008
- 2008-09-30 CN CNU2008202183312U patent/CN201266797Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623911A (en) * | 2012-04-25 | 2012-08-01 | 山西省电力公司长治供电分公司 | 10KV transformer stand |
| CN105552748A (en) * | 2015-12-08 | 2016-05-04 | 国网浙江省电力公司丽水供电公司 | Low-voltage power distribution box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105375376B (en) | Prefabricated substation switch cabinet | |
| CN201266797Y (en) | Safety logging-free distribution transformer platform | |
| CN205753131U (en) | A kind of outdoor compact type intelligent substation | |
| CN204835331U (en) | Integration intelligence combination transformer substation | |
| CN102427203B (en) | Method for arranging air insulated switchgear (AIS) power distribution unit of smart substation | |
| CN201877381U (en) | Outdoor high-voltage alternating-current demarcation breaker | |
| CN203180419U (en) | Double-chamber environment-friendly gas-insulated metal-enclosed switchgear | |
| CN202333588U (en) | Armored AC metal-enclosed switchgear | |
| CN202905440U (en) | Combined transformer for tunnels | |
| CN205846562U (en) | Novel connected locking-type high-tension switch cabinet | |
| CN205303956U (en) | Automatic switching compensation cabinet mounting structure divides into groups | |
| CN210273277U (en) | Wind field case becomes structure | |
| CN201118131Y (en) | Prepackage type integrated transformer substation | |
| CN201608038U (en) | Compact oil-immersed type transformer | |
| CN203193175U (en) | Lightning-protection double-case environmentally friendly gas-insulated metal-enclosed switchgear | |
| CN203859482U (en) | Low-voltage cable branch box | |
| CN2389413Y (en) | Multi-function vacuum circuit breaker on post | |
| CN208352837U (en) | A kind of movable-type intelligent power distribution station | |
| CN203026397U (en) | Grounding hook | |
| RU126521U1 (en) | MOBILE MODULAR TRANSFORMER COMPLETE SUBSTATION | |
| CN204597272U (en) | A kind of secondary earth leakage protective coupling box | |
| CN201122502Y (en) | Combined transformer structure | |
| CN105356306A (en) | Mounting structure for grouping automatic switching compensation cabinet | |
| CN205985818U (en) | Novel high voltage distributor box | |
| CN205944844U (en) | Box -type substation of dais is stretched in area |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20091030 |