CN211605020U - Rainproof device for switch blade mechanism box - Google Patents
Rainproof device for switch blade mechanism box Download PDFInfo
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- CN211605020U CN211605020U CN202020685536.2U CN202020685536U CN211605020U CN 211605020 U CN211605020 U CN 211605020U CN 202020685536 U CN202020685536 U CN 202020685536U CN 211605020 U CN211605020 U CN 211605020U
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Abstract
The utility model provides a rain-proof ware of plug-in strip mechanism case, the top of plug-in strip mechanism case is stretched out there is the plug-in strip rotation connecting rod, and the top cover of plug-in strip mechanism case is equipped with first rain-proof cover, and the connecting rod clearing hole of holding plug-in strip rotation connecting rod is reserved at the middle part of first rain-proof cover, and still the armful second rain-proof cover that shelters from to the connecting rod clearing hole that is equipped with on the plug-in strip rotation connecting rod. The top of the switch blade mechanism box and the switch blade are rotated by the first rain shielding cover to form a connecting rod through hole, the connecting rod through hole is reserved at the top of the first rain shielding cover, the connecting rod through hole is sealed and covered by the second rain shielding cover, and the second rain shielding cover is arranged on the switch blade rotation connecting rod in a locking mode and rotates synchronously along with the switch blade rotation connecting rod. Through the first rain shade and the second rain shade structure that divide the body, the dismouting is convenient to guarantee that the sealed dismouting of embracing the dress structure between plug-in strip rotation connecting rod and the second rain shade can satisfy and guarantee rain-proof effect.
Description
Technical Field
The utility model relates to a transformer technical field, more specifically say, relate to a rain-proof ware of plug-in strip mechanism case.
Background
The direct current system is an important component of the transformer substation and provides a working power supply for a control and signal system, a relay protection and an automatic device. The direct current system has many connected devices and complex loops, and the ground fault is easy to occur due to environmental change, climate change, cable and joint aging, device problems and the like in the long-term operation process.
One point of grounding is the most common grounding fault, but no short-circuit current flows at the moment, so that the damage to the system is not great, but the system also needs to be checked and eliminated early, otherwise, when another point of grounding fault occurs again, incorrect actions of a signal circuit, a control circuit, relay protection and the like can be caused, and serious consequences are caused. The partial plug-in strip mechanism case in the present transformer substation is because of design defect, easily produces the percolating water under rainwater weather, and consequently the rainwater gets into the inside secondary electric return circuit of plug-in strip mechanism case to produce direct current ground's problem.
At present, the transformer substation adopts by the operation and maintenance personnel to the plug-in strip mechanism case, regularly beats glass and glues waterproof and plastic film and wrap sealed management and control means, can play certain water-proof effects, but because the operation of each time all need once wrap with the split, consequently can consume a large amount of manpower and materials. However, if the user forgets to remove the wrapping film during the operation of the knife switch, the plastic film may be rolled by the knife switch during the rotation process, the rotating mechanism of the knife switch may be damaged, and the device may be damaged.
Therefore, how to improve the convenience of knife mechanism box protection is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a switch blade mechanism case rain-proof ware to improve the convenience of switch blade mechanism case protection.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a rain-proof ware of plug-in strip mechanism case, the top of plug-in strip mechanism case is stretched out there is the plug-in strip rotation connecting rod, the top cover of plug-in strip mechanism case is equipped with first rain-proof cover, the holding is reserved at the middle part of first rain-proof cover the connecting rod clearing hole of plug-in strip rotation connecting rod, it is right still to embrace to be equipped with on the plug-in strip rotation connecting rod the second rain-proof cover that the connecting rod clearing hole sheltered from.
Preferably, in the rainproof device for the switch blade mechanism box, the first rain shield is an inner ring rain shield ring which extends out of the top of the switch blade mechanism box and is arranged around the switch blade rotating connecting rod, and the second rain shield cover is arranged on the top of the inner ring rain shield ring.
Preferably, in the rainproof device for the switch blade mechanism box, the second rainproof cover comprises a clasping part clasped on the switch blade rotating connecting rod and a transverse rainproof part extending along the radial direction of the switch blade rotating connecting rod,
and a vertical rain shielding part which extends downwards and extends to the outer wall surface of the top of the inner ring rain shielding ring.
Preferably, in the rainproof device for the switch blade mechanism box, the switch blade rotating connecting rod comprises a connecting rod main body and a connecting rod hoop, and the embracing portion is embraced on the connecting rod main body.
Preferably, in the above-mentioned switch blade mechanism case rain-proof equipment, the end of the vertical rain-proof portion is provided with a rain-proof flange extending toward the outer wall surface of the inner ring rain-proof ring.
Preferably, in the rain-proof device for the switch blade mechanism box, a grounding conductor is extended from the connecting rod hoop, and an avoiding groove for avoiding the swinging of the grounding conductor is formed in the top of the inner ring rain-proof ring.
Preferably, in the above rain guard for the switch blade mechanism box, the first rain guard and the second rain guard are both rain guards made of transparent materials.
Preferably, in the above rain-proof device for the switch blade mechanism box, the first rain-proof cover and the second rain-proof cover are made of acrylic materials.
The utility model provides a rain-proof ware of plug-in strip mechanism case, the top of plug-in strip mechanism case is stretched out there is the plug-in strip rotation connecting rod, and the top cover of plug-in strip mechanism case is equipped with first weather shield, and the connecting rod clearing hole of holding plug-in strip rotation connecting rod is reserved at the middle part of first weather shield, and still the armful second weather shield that shelters from to the connecting rod clearing hole that is equipped with on the plug-in strip rotation connecting rod. The connecting rod is rotated with plug-in strip mechanism roof portion and plug-in strip to first rain-proof cover to and the clearance cover between the two locates inside it, and the connecting rod clearing hole is reserved at the top of first rain-proof cover, satisfies the installation requirement of plug-in strip rotation connecting rod at plug-in strip mechanism case, through setting up second rain-proof cover, carries out the closing cap with the connecting rod clearing hole, and second rain-proof cover armful dress rotates the connecting rod synchronous rotation along with the plug-in strip on the plug-in strip rotates the connecting rod.
Through the first rain shade and the second rain shade of components of a whole that can function independently structure about setting up, the second rain shade will be sheltered from and rotate the radial discharge of connecting rod along the plug-in strip by the descending raindrop of top, avoid falling into the installation clearance of plug-in strip mechanism roof portion and plug-in strip rotation connecting rod by the connecting rod clearing hole, first rain shade cover is established in the top circumference of plug-in strip mechanism case, the raindrop of avoiding falling is flowed into the installation clearance by plug-in strip mechanism roof portion edge to the realization is effectively kept off the rain to the top and the circumference of plug-in strip mechanism case. Through the first rain shade and the second rain shade structure that divide the body, the dismouting is convenient to guarantee that the sealed dismouting of embracing the dress structure between plug-in strip rotation connecting rod and the second rain shade can satisfy and guarantee rain-proof effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a sectional view of an assembly structure of a rainproof device of a switch blade mechanism box provided by the utility model;
fig. 2 is a second structural schematic diagram of a second rain shield in the rain guard of the knife switch mechanism box in fig. 1;
fig. 3 is a schematic structural view of a first rain shield in the rain guard of the knife switch mechanism box of fig. 1.
Detailed Description
The utility model discloses a rain-proof ware of plug-in strip mechanism case has improved the convenience of plug-in strip mechanism case protection.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 3, fig. 1 is a sectional view of an assembly structure of a rain guard of a knife switch mechanism box provided by the present invention; fig. 2 is a second structural schematic diagram of a second rain shield in the rain guard of the knife switch mechanism box in fig. 1; fig. 3 is a schematic structural view of a first rain shield in the rain guard of the knife switch mechanism box of fig. 1.
This embodiment provides a rain-proof ware of plug-in strip mechanism case, and the top of plug-in strip mechanism case is stretched out there is the plug-in strip rotation connecting rod, and the top cover of plug-in strip mechanism case is equipped with first weather shield 1, and the connecting rod clearing hole 11 of holding plug-in strip rotation connecting rod is reserved at the middle part of first weather shield 1, and still the embracing is equipped with the second weather shield 2 that shelters from to the connecting rod clearing hole on the plug-in strip rotation connecting rod. First rain-proof cover 1 rotates connecting rod with plug-in strip mechanism roof portion and plug-in strip to and inside clearance cover between the two locates it, connecting rod clearing hole 11 is reserved at first rain-proof cover 1's top, satisfies the installation requirement of plug-in strip rotation connecting rod at plug-in strip mechanism case, through setting up second rain-proof cover 2, carries out the closing cap with connecting rod clearing hole 11, and second rain-proof cover 2 embrace dress rotates the connecting rod on the connecting rod along with the plug-in strip rotates the connecting rod synchronous rotation.
Through the first rain shade 1 and the second rain shade 2 of components of a whole that can function independently structure about setting up, the second rain shade 2 will be sheltered from and rotate the radial discharge of connecting rod along the plug-in strip by the descending raindrop of top, avoid falling into the installation clearance of plug-in strip mechanism roof portion and plug-in strip rotation connecting rod by connecting rod clearing hole 11, first rain shade 1 covers the top circumference of establishing at plug-in strip mechanism case, the raindrop of avoiding falling is flowed into the installation clearance by plug-in strip mechanism roof portion edge, thereby realize effectively keeping off the rain to the top and the circumference of plug-in strip mechanism case. Through the first rain shade 1 and the second rain shade 2 structure of components of a whole that can function independently, the dismouting is convenient to guarantee that the blade rotates the sealed dismouting of embracing the dress structure between connecting rod and the second rain shade 2 and can satisfy and guarantee rain-proof effect.
In an embodiment of the present disclosure, the first rain shield 1 is an inner ring rain shield ring extending out of the top of the knife mechanism case and arranged around the knife rotation link, and the second rain shield 2 is covered on the top of the inner ring rain shield ring. The top of the switch blade mechanism box is of a planar structure, the first rain shield 1 can be arranged to integrally cover the top of the switch blade mechanism box for protection, the full utilization of materials is realized, and the installation convenience is improved, the first rain shield 1 is arranged to be an inner ring rain shield ring of an annular structure, the inner ring rain shield ring surrounds the switch blade rotating connecting rod and is arranged in the inner ring of the switch blade rotating connecting rod, the sealing between the inner ring rain shield ring and the top surface of the switch blade mechanism box is ensured, the water flow falling into the top of the switch blade mechanism box can be effectively prevented from entering an installation gap between the switch blade mechanism box and the switch blade rotating connecting rod, the effective protection is achieved, the top of the inner ring rain shield ring of the annular structure is integrally provided with the connecting rod through hole 11 of the switch blade rotating connecting rod, the second rain shield 2 covers the top of the inner ring, the rain shield on the top of the inner ring is realized, the material using amount is reduced, and the rain shield effect on the.
In an embodiment of the present invention, the second rain shield 2 includes a clasping portion 21 clasped on the blade rotating link, a lateral rain shield 22 extending along the radial direction of the blade rotating link, and a vertical rain shield 23 extending downward and extending to the top outer wall surface of the inner ring rain shield. Influenced by rain and wind, in order to prevent rainwater from flowing in from the circumferential direction of the top of the inner ring rain shielding ring, the second rain shielding cover 2 is provided with a cap-shaped structure consisting of a transverse rain shielding part 22 and a vertical rain shielding part 23, the middle part of the transverse rain shielding part 23 is provided with an embracing part 21 which is tightly held and matched with the knife rotating connecting rod, so that the second rain shielding cover 2 and the knife rotating connecting rod are fixedly assembled into an integral structure, and the rotation of the knife rotating connecting rod drives the second rain shielding cover 2 to synchronously rotate.
The extension length of the vertical rain shielding part 23 and the top of the inner ring rain shielding ring are arranged in a staggered mode, the rain shielding effect is guaranteed, the first rain shielding cover 1 and the second rain shielding cover 2 are preferably arranged to be of concentric cylindrical structures, and the fact that the switch blade rotating connecting rod rotates to cause interference between the first rain shielding cover and the second rain shielding cover is avoided.
In one embodiment of the present application, the knife rotating link includes a link body and a link hoop, and the clasping portion 21 is clasped on the link body. The connecting rod staple bolt of plug-in strip rotation connecting rod is close to the top of plug-in strip mechanism case, and the external diameter of connecting rod staple bolt is greater than the external diameter of connecting rod main part, embraces the equipment with the less connecting rod main part of external diameter of the armful portion of second fender rain cover and closes, reduces the installation degree of difficulty, and is convenient for guarantee the leakproofness between connecting rod main part and the second fender rain cover.
In an embodiment of the present invention, the end of the vertical rain shield 23 is provided with a rain-proof flange 24 extending towards the outer wall surface of the inner rain shield ring. Considering that the raindrop falls to the switch blade mechanism case top and spatters to the clearance 3 between first rain-proof cover 1 and the second rain-proof cover 2, with the vertical portion of keeping off rain 23 of second rain-proof cover 2 stretch out terminal, set up towards the rain-proof turn-ups 24 of inner circle rain-proof ring, rain-proof turn-ups 24 can set up in the less running clearance of inner circle rain-proof ring, further improves the rain-proof effect to the switch blade mechanism case.
In an embodiment of the scheme, a grounding conductor extends out of the connecting rod hoop, and an avoiding groove 12 for avoiding the swinging of the grounding conductor is formed at the top of the inner rain shielding ring. The earthing conductor stretches out of the connecting rod hoop, the switch blade rotating connecting rod can drive the earthing conductor to rotate synchronously in a rotating mode, the top of the inner ring rain shielding ring is arranged to form the avoiding groove 12, the avoiding groove 12 enables the inner ring rain shielding ring to be a high-low plane of a step structure, the normal rotating switch work of the switch blade rotating connecting rod is guaranteed, and an effective rotating space is reserved. The arc length angle of the avoiding groove 12 is set according to actual conditions, if the rotating stroke of the knife switch connecting rod is 90 degrees, the avoiding groove should be opened by 90 degrees, and the avoiding groove is determined by different types of knife switch models on the site of a transformer substation.
In an embodiment of the present disclosure, the first rain-shielding cover 1 and the second rain-shielding cover 2 are both made of transparent materials. The switch blade rotates the connecting rod and rotates and drive earth conductor synchronous rotation, rotates the operating condition and the switch blade divide-shut brake position instruction condition to the switch blade for being convenient for and effectively judges, all sets up first rain shade and second rain shade into transparent material.
Preferably, the first rain shade 1 and the second rain shade 2 are made of acrylic materials. The acrylic material meets the observation requirement of transparency and also ensures that the acrylic material has enough protection strength.
Through setting up the first rain shade and the second rain shade of components of a whole that can function independently structure, realized having practiced thrift a large amount of manpower and materials, improved fortune dimension management level's effect to the rain-proof requirement between the plug-in strip mechanism case that has the rotation relation and the plug-in strip rotation connecting rod, and the strong technical support and the basis that provide for substation equipment essential safety have effectively been practiced thrift to the mounting means.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a rain-proof ware of plug-in strip mechanism case, the top of plug-in strip mechanism case is stretched out there is the plug-in strip rotation connecting rod, its characterized in that, the top cover of plug-in strip mechanism case is equipped with first rain-proof cover, the holding is reserved at the middle part of first rain-proof cover the connecting rod clearing hole of plug-in strip rotation connecting rod, it is right still to embrace on the plug-in strip rotation connecting rod the second rain-proof cover that the connecting rod clearing hole sheltered from.
2. The knife mechanism case rain shield of claim 1, wherein the first rain shield is an inner rain shield ring extending out of the top of the knife mechanism case and disposed around the knife rotation link, and the second rain shield is disposed on the top of the inner rain shield ring.
3. The rain shield of claim 2, wherein the second rain shield comprises a clasping portion clasped to the blade rotation link, a lateral rain shield portion extending in a radial direction of the blade rotation link,
and a vertical rain shielding part which extends downwards and extends to the outer wall surface of the top of the inner ring rain shielding ring.
4. The knife mechanism box rain shield of claim 3, wherein the knife rotation link includes a link body and a link hoop, the embracing portion being embraced on the link body.
5. The switch blade mechanism box rain guard of claim 3, wherein the end of the vertical rain shield is provided with a rain-proof flange extending towards the outer wall surface of the inner ring rain shield ring.
6. The switch blade mechanism box rainproof device according to claim 4, wherein a grounding conductor extends from the connecting rod hoop, and an avoiding groove for avoiding the swinging of the grounding conductor is formed in the top of the inner ring rain shielding ring.
7. The rain shield of claim 6, wherein the first rain shield and the second rain shield are both transparent rain shields.
8. The rain shield of claim 7, wherein the first rain shield and the second rain shield are acrylic rain shields.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020685536.2U CN211605020U (en) | 2020-04-29 | 2020-04-29 | Rainproof device for switch blade mechanism box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020685536.2U CN211605020U (en) | 2020-04-29 | 2020-04-29 | Rainproof device for switch blade mechanism box |
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| Publication Number | Publication Date |
|---|---|
| CN211605020U true CN211605020U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020685536.2U Active CN211605020U (en) | 2020-04-29 | 2020-04-29 | Rainproof device for switch blade mechanism box |
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| CN (1) | CN211605020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113539725A (en) * | 2021-07-20 | 2021-10-22 | 广东电网有限责任公司 | Rainproof device for GIS equipment disconnecting link |
-
2020
- 2020-04-29 CN CN202020685536.2U patent/CN211605020U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113539725A (en) * | 2021-07-20 | 2021-10-22 | 广东电网有限责任公司 | Rainproof device for GIS equipment disconnecting link |
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