CN115312286A - Protection equipment for power grid voltage transformer below 35KV - Google Patents

Protection equipment for power grid voltage transformer below 35KV Download PDF

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Publication number
CN115312286A
CN115312286A CN202210789986.XA CN202210789986A CN115312286A CN 115312286 A CN115312286 A CN 115312286A CN 202210789986 A CN202210789986 A CN 202210789986A CN 115312286 A CN115312286 A CN 115312286A
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CN
China
Prior art keywords
wall
voltage transformer
protective cover
gear
bottom plate
Prior art date
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Pending
Application number
CN202210789986.XA
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Chinese (zh)
Inventor
涂晖
邹蓓
张焰
颜志超
童典
李伯雄
陈泽鹏
曾圣民
罗鑫
葛天成
王剑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Hubei Electric Power Co ltd Wuhan Xinzhou District Power Supply Co
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State Grid Hubei Electric Power Co ltd Wuhan Xinzhou District Power Supply Co
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by State Grid Hubei Electric Power Co ltd Wuhan Xinzhou District Power Supply Co filed Critical State Grid Hubei Electric Power Co ltd Wuhan Xinzhou District Power Supply Co
Priority to CN202210789986.XA priority Critical patent/CN115312286A/en
Publication of CN115312286A publication Critical patent/CN115312286A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/06Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20Instruments transformers
    • H01F38/22Instruments transformers for single phase ac
    • H01F38/24Voltage transformers
    • H01F38/26Constructions

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The application belongs to the technical field of voltage equipment protection devices and discloses protection equipment for a power grid voltage transformer below 35 KV. The transformer comprises a bottom plate, wherein a first protective cover is arranged at the top end of the bottom plate, a second protective cover is arranged inside the first protective cover, a voltage transformer body is arranged inside the second protective cover, and a base is arranged at the bottom end of the voltage transformer body; notches are symmetrically formed in the inner walls of the two sides of the base, moving and fixing assemblies are arranged inside the two notches, and each moving and fixing assembly comprises a connecting rod, an L-shaped plate and a return spring; the gear linkage assembly comprises a first gear, a threaded rod, a second gear, a rotating rod, a fixing frame and a driving mechanism; the driving mechanism comprises a turbine and a worm, a first protective cover and a second protective cover are arranged, and the voltage transformer can be protected, so that the voltage transformer is prevented from being damaged due to external influence, and the practical effect of protecting equipment is improved.

Description

Protection equipment for power grid voltage transformer below 35KV
Technical Field
The application relates to the technical field of voltage equipment protection devices, in particular to protection equipment of a power grid voltage transformer below 35 KV.
Background
Voltage transformers are instruments for transforming voltages, similar to transformers. However, the purpose of transforming voltage by the transformer is to conveniently transmit electric energy, so that the capacity is very large, and usually kilovolt-ampere or mega volt-ampere is taken as a calculation unit; the voltage transformer is mainly used for supplying power to a measuring instrument and a relay protection device, measuring the voltage, power and electric energy of a line, or protecting valuable equipment, a motor and a transformer in the line when the line fails, so that the capacity of the voltage transformer is small, generally only a few volt-amperes and dozens of volt-amperes, and the maximum voltage of the voltage transformer does not exceed one thousand volt-amperes.
When being installed, voltage transformers on the market are often installed and placed outdoors, most of the voltage transformers are wholly exposed outside and are extremely easily influenced by the external environment, and in severe environments, if protection measures are not good enough, the performance of the voltage transformers is easy to decline, and particularly in rainy and snowy weather, the voltage transformers can be out of order or broken circuits can be caused in advance, so that the voltage transformers are damaged, and therefore the protection equipment of the power grid voltage transformers below 35KV is provided.
Disclosure of Invention
In order to solve the problems, the application provides a protection device of a power grid voltage transformer below 35 KV.
The protection equipment for the power grid voltage transformer with the voltage below 35KV adopts the following technical scheme:
the protection device of the power grid voltage transformer below 35KV comprises a bottom plate, wherein supporting legs are fixedly connected to four corners of the bottom end of the bottom plate, a first protective cover is arranged at the top end of the bottom plate, a top cover is arranged at the top end of the first protective cover, a rectangular hole is formed in the top end of the top cover, a second protective cover is arranged inside the first protective cover, the outer wall of the second protective cover is connected with the inner wall of the top cover in a sliding and penetrating mode, a voltage transformer body is arranged inside the second protective cover, and a base is arranged at the bottom end of the voltage transformer body;
notches are symmetrically formed in the inner walls of the two sides of the base, moving and fixing assemblies are arranged inside the two notches and comprise connecting rods, L-shaped plates and reset springs, inserting holes matched with one ends of the L-shaped plates are symmetrically formed in the inner wall of the bottom of the second protective cover, and opposite ends of the two L-shaped plates are respectively connected inside the two inserting holes in a sliding and penetrating mode;
a gear groove is formed in the bottom plate, a gear linkage assembly is arranged in the gear groove and comprises a first gear, a threaded rod, a second gear, a rotating rod, a fixing frame and a driving mechanism, and the outer wall of the top of each threaded rod is provided with a thread;
the driving mechanism comprises a turbine and a worm, the rod walls at two ends of the worm are respectively provided with a screw thread matched with the two turbines, one end of the worm is rotatably connected with the inner wall of the back face of the bottom plate, the other end of the worm extends to the front face of the bottom plate, and the adjusting knob is fixedly connected with the other end of the worm.
It is further, a plurality of the bottom of threaded rod is connected with the bottom inner wall rotation of bottom plate respectively, two fixed blocks of the equal fixedly connected with in both sides of base, it is a plurality of threaded hole is all seted up to the inside of fixed block, and is a plurality of the top of threaded rod extends to the top of bottom plate, and is connected with the inside rotation of a plurality of fixed blocks respectively.
Through above-mentioned technical scheme, be provided with threaded rod and fixed block, the threaded rod can drive base and second protection casing through the fixed block and reciprocate at the pivoted in-process.
Further, it is a plurality of first gear overlaps respectively and establishes in the bottom of a plurality of threaded rods, and is a plurality of the outer wall of first gear respectively with the outer wall intermeshing of a plurality of second gears, it is a plurality of one side that the second gear is relative is fixed connection respectively at the both ends of two dwang.
Through above-mentioned technical scheme, be provided with first gear, the second gear is at the pivoted in-process, and it is rotatory to drive the threaded rod through stirring first gear.
Further, it is a plurality of the mount is the symmetrical cover respectively and is established at the both ends pole wall of two dwangs, and is a plurality of the top and the bottom of mount are respectively in the inner wall fixed connection of bottom plate.
Through above-mentioned technical scheme for through setting up the dwang, be used for connecting a plurality of second gears, connect into a whole with a plurality of connection structure, make a plurality of threaded rods can synchronous rotation.
Further, two the middle part outer wall at two dwangs is established respectively to the turbine cover, the both ends pole wall of worm all is provided with the screw thread with turbine looks adaptation, two the outer wall of turbine respectively with the both ends armed lever screw thread of worm to the meshing.
Through the technical scheme, the turbine and the worm are arranged, and the common adjustment control of multiple items can be completed.
Furthermore, two one end pole wall that the connecting rod is opposite is connected with the both sides slip interlude of base, two one end that the connecting rod is opposite respectively with two one side bottom fixed connection that the L template is opposite, two the top outer wall of L template respectively with the top sliding connection of base.
Through above-mentioned technical scheme, through setting up the L template for carry out fixed mounting to the second protection casing.
Furthermore, two opposite lateral bottoms of the L-shaped plates are fixedly connected with opposite ends of two return springs respectively, the opposite ends of the two return springs are fixedly connected with the inner wall of the base respectively, a placing plate is fixedly connected to the top end of the base, and the top end of the placing plate is fixedly connected with the bottom end of the voltage transformer body.
Through the technical scheme, the L-shaped plate is provided with the return spring, and the L-shaped plate is driven to diffuse outwards to move by utilizing the characteristic of the return spring under the condition of no external force.
Furthermore, it is a plurality of the top of threaded rod rotates respectively and connects the bottom at the top cap, the both sides top inner wall fixedly connected with trapezoidal piece of first protection casing, the louvre has all been seted up to the both sides symmetry of second protection casing, one side fixedly connected with casing of first protection casing.
Through above-mentioned technical scheme for through setting up trapezoidal piece, when the connecting rod slides along the trapezoidal piece surface, can also extrude the connecting rod.
Further, one side fixedly connected with support of casing, the inside of casing is provided with radiator fan, radiator fan's inside fixed cover has connect the pivot.
Through above-mentioned technical scheme, through setting up radiator fan for ventilate the heat dissipation to protection casing inside.
Furthermore, the equal fixed mounting in both sides of first protection casing has the connection piece, and is a plurality of the bottom of connection piece is fixed mounting respectively in the top four corners department of bottom plate, and is a plurality of the equal threaded connection in top of connection piece has the bolt, and is a plurality of the top of bolt all is equipped with the gasket.
Through above-mentioned technical scheme, through setting up connection piece and bolt for fix the top at the bottom plate with first protection casing.
In summary, the present application includes at least one of the following advantageous technical effects:
(1) According to the invention, the first protective cover and the second protective cover are arranged outside the voltage transformer, and the two groups of outer covers are combined to protect the voltage transformer, so that the voltage transformer is prevented from being damaged due to the influence of external factors, the condition of performance reduction is avoided, and the practical effect of protecting equipment is improved;
(2) According to the invention, the movable fixing component is arranged, the connecting rod is enabled to move towards the inside of the base through extrusion between the connecting rod and the trapezoidal block, and then the L-shaped plate is driven to be separated from the bottom of the second protective cover, so that the second protective cover can be detached, and the voltage transformer body can be maintained and replaced conveniently in the later period;
(3) According to the invention, the gear linkage assembly is designed, the worm is driven to rotate by rotating the adjusting knob through the worm, and then the threaded rod is driven to rotate through the mutual matching of the rotating rod, the second gear and the first gear, so that the base drives the second protective cover to lift, and then the movable fixing assembly is driven to operate, thus a plurality of adjustment controls can be completed through one group of control.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 of the present application;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 of the present application;
FIG. 4 is a front cross-sectional structural schematic view of the present application;
FIG. 5 is an enlarged view of the structure at C in FIG. 4 of the present application
FIG. 6 is a schematic top cross-sectional structural view of the present application;
fig. 7 is a right sectional structural view of the present application.
The reference numbers in the figures illustrate:
1. a base plate; 2. supporting legs; 3. adjusting a knob; 4. a voltage transformer body; 5. a first shield; 6. a top cover; 7. a second shield; 8. a housing; 9. connecting sheets; 10. a bolt; 11. a gasket; 12. a support; 13. a rotating shaft; 14. a heat radiation fan; 15. a threaded rod; 16. a first gear; 17. a second gear; 18. a fixed mount; 19. a worm; 20. a turbine; 21. rotating the rod; 22. a base; 23. a fixed block; 24. a connecting rod; 25. an L-shaped plate; 26. a return spring; 27. placing the plate; 28. a trapezoidal block.
Detailed Description
The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.
In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Example 1:
the present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses protection equipment for a power grid voltage transformer below 35KV, which comprises a bottom plate 1, wherein supporting legs 2 are fixedly connected to four corners of the bottom end of the bottom plate 1, a first protective cover 5 is arranged at the top end of the bottom plate 1, a top cover 6 is arranged at the top end of the first protective cover 5, a rectangular hole is formed in the top end of the top cover 6, a second protective cover 7 is arranged inside the first protective cover 5, the outer wall of the second protective cover 7 is connected with the inner wall of the top cover 6 in a sliding and penetrating manner, a voltage transformer body 4 is arranged inside the second protective cover 7, and a base 22 is arranged at the bottom end of the voltage transformer body 4;
notches are symmetrically formed in the inner walls of the two sides of the base 22, moving and fixing components are arranged inside the two notches and comprise connecting rods 24, L-shaped plates 25 and reset springs 26, inserting holes matched with one ends of the L-shaped plates 25 are symmetrically formed in the inner wall of the bottom of the second protective cover 7, and opposite ends of the two L-shaped plates 25 are respectively connected inside the two inserting holes in a sliding and penetrating mode;
a gear groove is formed in the bottom plate 1, a gear linkage assembly is arranged in the gear groove and comprises a first gear 16, a threaded rod 15, a second gear 17, a rotating rod 21, a fixing frame 18 and a driving mechanism, and threads are formed in the outer wall of the top of each threaded rod 15;
the driving mechanism comprises a worm wheel 20 and a worm 19, the rod walls at two ends of the worm 19 are respectively provided with a thread matched with the two worm wheels 20, one end of the worm 19 is rotatably connected with the inner wall of the back of the bottom plate 1, the other end of the worm 19 extends to the front of the bottom plate 1, and the adjusting knob 3 is fixedly connected with the other end of the worm 19;
rotate adjust knob 3 and drive turbine 20 through worm 19 and rotate, then drive threaded rod 15 through the dwang 21, mutually supporting between second gear 17 and the first gear 16 and rotate, thereby make base 22 drive second protection casing 7 and go up and down, then make and remove fixed subassembly and operate, can accomplish multinomial regulation control through a set of control like this, when using this device, just can carry out nimble regulation to the device according to the environment and the condition of using, make the device use more convenient.
The bottom of a plurality of threaded rods 15 rotates with the bottom inner wall of bottom plate 1 respectively and is connected, two fixed blocks 23 of the equal fixedly connected with in both sides of base 22, threaded hole is all seted up to the inside of a plurality of fixed blocks 23, the inside screw thread of a plurality of threaded holes and the screw thread looks adaptation of a plurality of threaded rods 15 top outer walls, the top of a plurality of threaded rods 15 extends to the top of bottom plate 1, and is connected with the internal rotation of a plurality of fixed blocks 23 respectively.
A plurality of first gears 16 overlap respectively and establish the bottom at a plurality of threaded rods 15, and a plurality of first gears 16's outer wall is intermeshing with a plurality of second gears 17's outer wall respectively, and a plurality of second gears 17 relative one side is fixed connection respectively at the both ends of two dwang 21.
The plurality of fixing frames 18 are respectively and symmetrically sleeved on the rod walls at the two ends of the two rotating rods 21, and the top ends and the bottom ends of the plurality of fixing frames 18 are respectively and fixedly connected with the inner wall of the bottom plate 1.
The two worm wheels 20 are respectively sleeved on the outer walls of the middle parts of the two rotating rods 21, the rod walls at the two ends of the worm 19 are respectively provided with threads matched with the worm wheels 20, the outer walls of the two worm wheels 20 are respectively meshed with the threads of the arm rods at the two ends of the worm 19, and the worm wheels 20 and the worm 19 are arranged to complete multiple common regulation and control.
The opposite end pole wall of two connecting rods 24 is connected with the both sides slip interlude of base 22, and the opposite one end of two connecting rods 24 respectively with two opposite one side bottom fixed connection of L template 25, the top outer wall of two L templates 25 respectively with the top sliding connection of base 22.
The bottoms of the opposite sides of the two L-shaped plates 25 are fixedly connected with the opposite ends of the two return springs 26, the opposite ends of the two return springs 26 are fixedly connected with the inner wall of the base 22, the placing plate 27 is fixedly connected to the top end of the base 22, and the top end of the placing plate 27 is fixedly connected with the bottom end of the voltage transformer body 4.
The top of a plurality of threaded rods 15 rotates respectively and connects in the bottom of top cap 6, and the both sides top inner wall fixedly connected with trapezoidal piece 28 of first protection casing 5, the louvre has been seted up to the equal symmetry in both sides of second protection casing 7, and one side fixedly connected with casing 8 of first protection casing 5 is through setting up trapezoidal piece 28 for connecting rod 24 can also extrude connecting rod 24 when sliding along trapezoidal piece 28 surface.
One side fixedly connected with support 12 of casing 8, the inside of casing 8 is provided with radiator fan 14, and radiator fan 14's inside fixed cover has connect pivot 13 for ventilate the heat dissipation to the protection casing inside through setting up radiator fan 14.
The equal fixed mounting in both sides of first protection casing 5 has connection piece 9, and the bottom of a plurality of connection pieces 9 is fixed mounting in the top four corners department of bottom plate 1 respectively, and the equal threaded connection in top of a plurality of connection pieces 9 has bolt 10, and the top of a plurality of bolts 10 all overlaps and is equipped with gasket 11.
The implementation principle of the protection device of the power grid voltage transformer with the voltage below 35KV in the embodiment of the application is as follows: when the maintenance is dismantled, the handheld adjusting knob 3 drives the worm 19 to rotate, the rod walls at the two ends of the worm 19 are provided with threads and are meshed with the two worm wheels 20, therefore, the worm 19 drives the two worm wheels 20 to rotate in the rotating process, the plurality of second gears 17 are fixedly connected through the two rotating rods 21 respectively, the two worm wheels 20 are sleeved on the outer walls of the middle parts of the two rotating rods 21 respectively, and therefore the two worm wheels 20 drive the second gears 17 on the two sides to rotate through the two rotating rods 21 respectively in the rotating process.
Because the outer wall of a plurality of second gears 17 respectively with a plurality of first gears 16's outer wall intermeshing, thereby first gear 16 can be stirred and rotate, and a plurality of first gears 16 overlap respectively and establish the bottom at a plurality of threaded rods 15, then drive a plurality of threaded rods 15 respectively through first gear 16 and rotate, the screw thread has all been seted up to the top outer wall of a plurality of threaded rods 15, and the fixed block 23 of base 22 both sides is inside to be seted up with the screw thread of 15 looks adaptations of threaded rod, consequently a plurality of fixed blocks 23 can drive base 22 along with the rotation rebound of a plurality of threaded rods 15, base 22 is at the in-process that rises, the connecting rod 24 of both sides can contact with trapezoidal piece 28.
With the continuous rising of the base 22, the connecting rods 24 on both sides can move due to the inward squeezing and shrinking of the two trapezoidal blocks 28, and the connecting rods 24 on both sides can drive the L-shaped plate 25 to move in the same direction during the inward squeezing and shrinking movement, so that the L-shaped plate 25 is separated from the bottom of the second shield 7, and the return spring 26 is squeezed, when the second shield 7 is lifted to the top end 5 of the first shield, the rotation of the adjusting knob 3 is stopped, and then the second shield 7 is detached.
During the installation, antiport adjust knob 3 drives worm 19 antiport, the both ends pole wall of worm 19 is provided with the screw thread, and with two turbine 20 intermeshing, consequently, worm 19 is at antiport's in-process, drive two turbine 20 and carry out antiport, carry out fixed connection through two dwang 21 respectively between a plurality of second gear 17, and two turbine 20 overlap respectively and establish the middle part outer wall at two dwang 21, consequently two turbine 20 drive the second gear 17 antiport of both sides through two dwang 21 respectively at antiport's in-process.
Because the outer wall of a plurality of second gears 17 respectively with a plurality of first gears 16's outer wall intermeshing, thereby can stir first gear 16 antiport, and a plurality of first gears 16 establish respectively in the bottom of a plurality of threaded rods 15, then drive a plurality of threaded rods 15 coaxial rotation respectively through first gear 16, the top outer wall of a plurality of threaded rods 15 is threaded all, and the fixed block 23 of base 22 both sides is inside seted up with the screw thread of 15 looks adaptations of threaded rod, consequently a plurality of fixed blocks 23 can drive base 22 and move down along with the rotation of a plurality of threaded rods 15, base 22 is at the in-process that descends, the connecting rod 24 of both sides can slowly separate with trapezoidal piece 28.
Along with the continuous rising of base 22, the connecting rod 24 of both sides can reduce because of the extrusion force, under the effect of reset spring 26 of both sides for L-shaped plate 25 outwards diffuses the removal, drives connecting rod 24 outwards to diffuse the removal simultaneously, when connecting rod 24 and trapezoidal piece 28 separate completely, the top of L-shaped plate 25 can insert the bottom of second protection casing 7, with second protection casing 7 installation fixed, when second protection casing 7 income first protection casing 5's inside, stop to rotate adjust knob 3.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The protection device for the voltage transformer of the power grid below 35KV comprises a bottom plate (1), and is characterized in that: the bottom four corners of the bottom plate (1) are fixedly connected with supporting legs (2), a first protective cover (5) is arranged at the top end of the bottom plate (1), a top cover (6) is arranged at the top end of the first protective cover (5), a rectangular hole is formed in the top end of the top cover (6), a second protective cover (7) is arranged inside the first protective cover (5), the outer wall of the second protective cover (7) is connected with the inner wall of the top cover (6) in a sliding and penetrating manner, a voltage transformer body (4) is arranged inside the second protective cover (7), and a base (22) is arranged at the bottom end of the voltage transformer body (4);
notches are symmetrically formed in the inner walls of two sides of the base (22), moving fixing assemblies are arranged inside the two notches and comprise connecting rods (24), L-shaped plates (25) and return springs (26), inserting holes matched with one ends of the L-shaped plates (25) are symmetrically formed in the inner wall of the bottom of the second protective cover (7), and opposite ends of the two L-shaped plates (25) are respectively connected inside the two inserting holes in a sliding and penetrating manner;
a gear groove is formed in the bottom plate (1), a gear linkage assembly is arranged in the gear groove and comprises a first gear (16), a threaded rod (15), a second gear (17), a rotating rod (21), a fixing frame (18) and a driving mechanism, and threads are formed in the outer wall of the top of each threaded rod (15);
actuating mechanism includes turbine (20) and worm (19), the both ends pole wall of worm (19) all be provided with two turbine (20) looks adaptation and screw thread, the one end of worm (19) is rotated with the back inner wall of bottom plate (1) and is connected, the other end of worm (19) extends to the front of bottom plate (1), and fixedly connected with adjust knob (3).
2. A protection device for a below 35KV grid voltage transformer according to claim 1, characterized in that: it is a plurality of the bottom of threaded rod (15) rotates with the bottom inner wall of bottom plate (1) respectively to be connected, two fixed block (23) of the equal fixedly connected with in both sides of base (22), it is a plurality of threaded hole is all seted up to the inside of fixed block (23), and is a plurality of the top of threaded rod (15) extends to the top of bottom plate (1), and is connected with the internal rotation of a plurality of fixed block (23) respectively.
3. A protection device for a below 35KV grid voltage transformer according to claim 1, characterized in that: it is a plurality of first gear (16) is established respectively in the bottom of a plurality of threaded rods (15), and is a plurality of the outer wall of first gear (16) respectively with the outer wall intermeshing of a plurality of second gear (17), it is a plurality of one side that second gear (17) is relative is fixed connection respectively at the both ends of two dwang (21).
4. A protection device for a below 35KV grid voltage transformer according to claim 1, characterized in that: a plurality of mount (18) are the symmetrical cover respectively and are established at the both ends pole wall of two dwang (21), and are a plurality of the top and the bottom of mount (18) are respectively in the inner wall fixed connection of bottom plate (1).
5. A protection device for a below 35KV grid voltage transformer according to claim 1, characterized in that: two turbine (20) are established respectively and are established at the middle part outer wall of two dwang (21), the both ends pole wall of worm (19) all is provided with the screw thread with turbine (20) looks adaptation, two the outer wall of turbine (20) respectively with the both ends armed lever screw thread of worm (19) to the meshing.
6. A protection device for a below 35KV grid voltage transformer according to claim 1, characterized in that: two the opposite one end pole wall of connecting rod (24) is connected with the both sides slip interlude of base (22), two the one end that connecting rod (24) is relative respectively with two opposite one side bottom fixed connection of L template (25), two the top outer wall of L template (25) respectively with the top sliding connection of base (22).
7. A protection device for a below 35KV grid voltage transformer according to claim 1, characterized in that: the bottom of one side opposite to the two L-shaped plates (25) is fixedly connected with one ends opposite to the two return springs (26), the other ends opposite to the two return springs (26) are fixedly connected with the inner wall of the base (22), the top end of the base (22) is fixedly connected with a placing plate (27), and the top end of the placing plate (27) is fixedly connected with the bottom end of the voltage transformer body (4).
8. A protection device for a below 35KV grid voltage transformer according to claim 1, characterized in that: a plurality of the top of threaded rod (15) rotates respectively and connects the bottom at top cap (6), the both sides top inner wall fixedly connected with trapezoidal piece (28) of first protection casing (5), the louvre has been seted up to the equal symmetry in both sides of second protection casing (7), one side fixedly connected with casing (8) of first protection casing (5).
9. The protection device of a below 35KV grid voltage transformer of claim 8, characterized in that: one side fixedly connected with support (12) of casing (8), the inside of casing (8) is provided with radiator fan (14), the fixed cover in inside of radiator fan (14) has connect pivot (13).
10. The protection device of a below 35KV grid voltage transformer of claim 1, characterized in that: the equal fixed mounting in both sides of first protection casing (5) has connection piece (9), and is a plurality of the bottom of connection piece (9) is fixed mounting respectively in the top four corners department of bottom plate (1), and is a plurality of the equal threaded connection in top of connection piece (9) has bolt (10), and is a plurality of the top of bolt (10) all is overlapped and is equipped with gasket (11).
CN202210789986.XA 2022-07-06 2022-07-06 Protection equipment for power grid voltage transformer below 35KV Pending CN115312286A (en)

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Application Number Priority Date Filing Date Title
CN202210789986.XA CN115312286A (en) 2022-07-06 2022-07-06 Protection equipment for power grid voltage transformer below 35KV

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Application Number Priority Date Filing Date Title
CN202210789986.XA CN115312286A (en) 2022-07-06 2022-07-06 Protection equipment for power grid voltage transformer below 35KV

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116504516A (en) * 2023-05-13 2023-07-28 山东特变电力设备有限公司 Simple installation structure and installation method of transformer current transformer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116504516A (en) * 2023-05-13 2023-07-28 山东特变电力设备有限公司 Simple installation structure and installation method of transformer current transformer
CN116504516B (en) * 2023-05-13 2024-02-13 山东特变电力设备有限公司 Simple installation structure and installation method of transformer current transformer

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