CN112397359B - Fuse self-locking installation device for protecting voltage transformer - Google Patents
Fuse self-locking installation device for protecting voltage transformer Download PDFInfo
- Publication number
- CN112397359B CN112397359B CN202011212096.XA CN202011212096A CN112397359B CN 112397359 B CN112397359 B CN 112397359B CN 202011212096 A CN202011212096 A CN 202011212096A CN 112397359 B CN112397359 B CN 112397359B
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- Prior art keywords
- fuse
- voltage transformer
- protecting
- pipe sleeve
- groove
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- 238000009434 installation Methods 0.000 title claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052802 copper Inorganic materials 0.000 claims abstract description 23
- 239000010949 copper Substances 0.000 claims abstract description 23
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 13
- 230000007547 defect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000006004 Quartz sand Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/0013—Means for preventing damage, e.g. by ambient influences to the fuse
- H01H85/0017—Means for preventing damage, e.g. by ambient influences to the fuse due to vibration or other mechanical forces, e.g. centrifugal forces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fuses (AREA)
Abstract
The invention discloses a fuse self-locking installation device for protecting a voltage transformer, and belongs to the field of current transformers. The utility model provides a voltage transformer protection is with fuse auto-lock installation device, includes the fuse main part, the upper and lower both ends of fuse main part are provided with the connecting pipe, the one end fixed mounting of connecting pipe has the connecting plate, double hole site has been seted up to the surface of connecting plate, the inside in double hole site is provided with fixing bolt, fixing bolt and double hole site assorted, the one end of connecting plate is provided with the copper bar. The self-locking installation device of the fuse for protecting the voltage transformer adopts a threaded fixing structure, does not have specific requirements on internal threaded joints at two sides, has threaded engagement fixing at least one side, can solve the problem of the original plug-in structure, can save production cost, and is more convenient to install.
Description
Technical Field
The invention relates to the field of voltage transformers, in particular to a fuse self-locking installation device for protecting a voltage transformer.
Background
The voltage transformer is an electric appliance which is indispensable to a power transmission and supply system of a power plant, a transformer substation, a distribution room and the like. The voltage transformer has the functions that: the high voltage is converted into 100V standard secondary voltage according to the proportion relation, and the standard secondary voltage is used for metering, instrument devices and relay protection. Meanwhile, a voltage transformer is used for isolating high voltage from electric staff. The fuse for protecting the voltage transformer is used for overload or short-circuit protection of the voltage transformer, is suitable for an electric power system with alternating current of 50HZ, rated voltage of 3.6-40.5 KV and rated current of 6.3A, and is formed by sealing a melt body consisting of two different metal wires with high resistance and low resistance in a melting tube together with high-purity quartz sand which is chemically treated to be used as an arc extinguishing medium. The melting pipe is made of high-temperature-resistant alumina porcelain, when a circuit fails, the melt melts, an electric arc is generated, quartz sand extinguishes the electric arc immediately, and a circuit is cut off, so that the effect of protecting a voltage transformer and other circuits is achieved.
The fuse for protecting the voltage transformer in the current application generally adopts a plug-in structure, the fuse is inserted into the base, and the fuse has the advantage of convenient replacement, but simultaneously, the fuse is fed back through a large amount of practicality, and the plug-in structure has two fatal defects and one important defect: 1. the risk of falling is high, the bearing of the fuse inserting clamp is limited, the stress direction is single, the fuse is internally sealed with quartz sand, the shell is made of alumina porcelain, and the fuse inserting clamp is made of high-density materials and has high quality; especially when the electricity utilization environment is a construction site, the fuse can be directly dropped off due to the fact that the clamping force of the inserting clamp is not firm, and huge electricity utilization hidden danger is generated; 2. the corresponding fittings are easy to deform, the inserting clamp and the base of the inserting structure are both sheet metal and easy to deform, the fittings fall and collide in the transportation and construction sites are unavoidable things, and the electricity utilization progress of users is seriously influenced; 3. the length of the copper bar is demanding, the primary side of the voltage transformer installed in the distribution box is connected with the copper bar, the fuse is connected in the middle, the copper plate needs to be accurately cut out of the length of the fuse and the length of the plug-in unit, and otherwise, the installation of the fuse can be affected.
Disclosure of Invention
1. Technical problem to be solved
To have among the prior art and drop the risk big, the fuse inserts and presss from both sides the bearing limited, and the atress direction is single, insert clamp and the base of plug-in type structure and all be sheet metal, easily warp, causticize to the copper bar length, to installing the voltage transformer in the block terminal, its primary side connection material is the copper bar, the fuse connects in the centre, the copper plate needs accurate cutting out the length of fuse and plug-in components thereof.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a voltage transformer protection is with fuse auto-lock installation device, includes the fuse main part, the upper and lower both ends of fuse main part are provided with the connecting pipe, the one end fixed mounting of connecting pipe has the connecting plate, double hole site has been seted up to the surface of connecting plate, the inside of double hole site is provided with fixing bolt, fixing bolt and double hole site assorted, the one end of connecting plate is provided with the copper bar, the connecting plate passes through fixing bolt and copper bar fixed connection, the upper and lower both ends fixed mounting of fuse main part has the connecting rod, the connecting pipe cover is established at the surface of connecting rod, the surface of connecting rod is provided with the external screw thread, the internal surface of connecting pipe is provided with the internal screw thread, connecting pipe and connecting rod pass through screw thread fixed connection, the fuse main part comprises interior pole, first pipe cover and second pipe cover, the surface at interior pole is all overlapped to first pipe cover and second pipe cover, the specification size of first pipe cover and second pipe cover is the same.
Preferably, a plurality of first side grooves are formed in the outer surface of one side of the inner rod, the first side grooves are arranged in a straight shape, a first limiting rod is arranged in the first side grooves, and the first limiting rod is slidably connected with the first side grooves.
Preferably, the outer surfaces of the first pipe sleeve and the second pipe sleeve are respectively provided with a button, and the inner parts of the first pipe sleeve and the second pipe sleeve are respectively provided with a first through groove at one end of the buttons.
Preferably, a first baffle ring is fixedly arranged on one side of the inner wall of the first through groove, the first baffle ring is sleeved on the outer surface of the button, a magnetic block is fixedly arranged at one end of the button, and the first limiting rod is made of stainless steel.
Preferably, a first spring is sleeved on one side of the outer surface of the magnetic block, which is located on the first baffle ring, and one end of the first spring is fixedly connected with the first baffle ring.
Preferably, a top block is fixedly arranged at the top end of the connecting plate, a bottom groove is formed in the bottom end of the connecting plate, and the top block is matched with the bottom groove.
Preferably, the second side grooves are formed in two sides of the inner portion of the top block, and the second springs are fixedly arranged in the second side grooves.
Preferably, a second stop ring is fixedly arranged at one end of the inside of the second side groove, a second stop rod is arranged at one end of the inside of the second side groove, which is positioned at the second spring, and the second stop ring is sleeved on the outer surface of the second stop rod.
Preferably, a stop block is fixedly arranged at one end of the second limiting rod, one end of the second spring is fixedly connected with the stop block, second through grooves are formed in the outer surfaces of two sides of the connecting plate, and one end of the second limiting rod is matched with the second through grooves.
Preferably, a fixing ring is arranged at one end of the outer surface of the connecting plate, which is located in the second through groove, the fixing ring is sleeved at one end of the second limiting rod, threads are arranged on the outer surface of one end of the second limiting rod, and the fixing ring is fixedly connected with the second limiting rod through the threads.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
The scheme changes the smooth metal joints at the two ends of the fuse main body into the threaded metal joints, the threaded joints are very stable and cannot fall off even in a construction site with shock risk, and the first fatal defect of an insertion structure is solved; secondly, the threaded metal connector and the internal threaded connector are made of the same material metal, and the threaded metal connector does not need to be separated in the transportation and carrying processes, so that the risk of deformation is avoided, and the second fatal defect of the plug-in structure is overcome; finally, the double-row hole sites are arranged at the joint of the threaded metal connector and the copper bar, so that the length of the copper bar can be flexibly mastered, and the installation of the fuse cannot be influenced due to inaccurate control of the length of the copper bar.
Drawings
FIG. 1 is a schematic view of the mounting structure of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of a connecting pipe according to the present invention;
fig. 4 is a schematic view showing an internal structure of a fuse body according to the present invention;
FIG. 5 is an enlarged view of FIG. 4A in accordance with the present invention;
FIG. 6 is a diagram showing the structure of the connection between the connection plate and the connection pipe according to the present invention;
FIG. 7 is a schematic diagram of the structure of FIG. 6B according to the present invention;
fig. 8 is a schematic structural view of a second stop lever according to the present invention.
The reference numerals in the figures illustrate:
1. The fuse main body, 2 connecting pipes, 3 connecting plates, 4 double-row hole sites, 5 fixing bolts, 6 copper bars, 7 connecting rods, 8 inner rods, 9 first pipe sleeves, 10 second pipe sleeves, 11 first side grooves, 12 first limiting rods, 13 buttons, 14 first through grooves, 15 first baffle rings, 16 magnetic blocks, 17 first springs, 18 top blocks, 19 bottom grooves, 20 second side grooves, 21 second springs, 22 second baffle rings, 23 second limiting rods, 24 stop blocks, 25 second through grooves and 26 fixing rings.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only a few embodiments of the present invention; but not all embodiments. Based on the embodiments in the present invention; all other embodiments obtained by those skilled in the art without undue burden; all falling within the scope of the present invention.
Example 1:
Referring to fig. 1-8, a fuse self-locking installation device for protecting a voltage transformer comprises a fuse main body 1, connecting pipes 2 are arranged at the upper and lower ends of the fuse main body 1, one ends of the connecting pipes 2 are fixedly provided with connecting plates 3, double rows of holes 4 are arranged on the outer surfaces of the connecting plates 3, fixing bolts 5 are arranged in the double rows of holes 4, the fixing bolts 5 are matched with the double rows of holes 4, copper bars 6 are arranged at one ends of the connecting plates 3, the connecting plates 3 are fixedly connected with the copper bars 6 through the fixing bolts 5, connecting rods 7 are fixedly arranged at the upper and lower ends of the fuse main body 1, the connecting pipes 2 are sleeved on the outer surfaces of the connecting rods 7, external threads are arranged on the outer surfaces of the connecting rods 7, internal threads are arranged on the inner surfaces of the connecting pipes 2, the connecting pipes 2 are fixedly connected with the connecting rods 7 through threads, the fuse main body 1 consists of an inner rod 8, a first pipe sleeve 9 and a second pipe sleeve 10, wherein the first pipe sleeve 9 and the second pipe sleeve 10 are sleeved on the outer surface of the inner rod 8, the first pipe sleeve 9 and the second pipe sleeve 10 have the same specification, the two ends of the fuse main body 1 are changed into a threaded connecting rod 7 and a connecting pipe 2 from smooth metal joints, the connecting rod 7 and the connecting pipe 2 of the threaded joint are very stable, the connecting rod 7 and the connecting pipe 2 cannot fall off even in a construction site with vibration risk, the first fatal defect of an inserted structure is solved, and the threaded connecting rod 7 and the internal threaded connecting pipe 2 are made of the same material metal, are not required to be separated in the transportation and carrying processes, and the second fatal defect of the inserted structure is solved; finally, the double-row hole sites 4 are arranged at the connection part of the connecting plate 3 and the copper bar 6, so that the length of the copper bar 6 can be flexibly mastered, and the installation of the fuse cannot be influenced due to inaccurate control of the length of the copper bar 6.
Preferably, a plurality of first side grooves 11 are formed in the outer surface of one side of the inner rod 8, the plurality of first side grooves 11 are arranged in a straight line, a first limiting rod 12 is arranged in the first side grooves 11, the first limiting rod 12 is slidably connected with the first side grooves 11, the first limiting rod 12 in the first through groove 14 is pushed out, the first limiting rod 12 returns to the first side grooves 11, and limiting of the first pipe sleeve 9 and the second pipe sleeve 10 is released.
Preferably, the outer surfaces of the first pipe sleeve 9 and the second pipe sleeve 10 are provided with buttons 13, one ends of the first pipe sleeve 9 and the second pipe sleeve 10, which are positioned at the buttons 13, are provided with first through grooves 14, when the length of the fuse main body 1 needs to be adjusted, the buttons 13 on the outer surfaces of the first pipe sleeve 9 and the second pipe sleeve 10 need to be pressed inwards, the first pipe sleeve 9 and the second pipe sleeve 10 are rotated, the first through grooves 14 on the first pipe sleeve 9 and the second pipe sleeve 10 are staggered with the first side grooves 11 on the surface of the inner rod 8, and then the first pipe sleeve 9 and the second pipe sleeve 10 are pulled outwards along the inner rod 8, so that the fuse main body 1 is adjusted.
Preferably, a first baffle ring 15 is fixedly installed on one side of the inner wall of the first through groove 14, the first baffle ring 15 is sleeved on the outer surface of the button 13, a magnetic block 16 is fixedly installed at one end of the button 13, the first limiting rod 12 is made of stainless steel, and after the length of the fuse main body 1 is adjusted, the first pipe sleeve 9 and the second pipe sleeve 10 are respectively rotated to be in place, so that the first through groove 14 corresponds to the corresponding first side groove 11.
Preferably, a first spring 17 is sleeved on one side of the magnetic block 16, which is located on the first baffle ring 15, and one end of the first spring 17 is fixedly connected with the first baffle ring 15, so that the first spring 17 on the surface is extruded in the process of pressing the button 13.
Preferably, a top block 18 is fixedly installed at the top end of the connecting plate 3, a bottom groove 19 is formed at the bottom end of the connecting plate 3, the top block 18 is matched with the bottom groove 19, and the second limiting rod 23 is pushed inwards, so that the second limiting rod 23 is separated from the second through groove 25.
Preferably, the two sides of the inner portion of the top block 18 are provided with second side grooves 20, the second side grooves 20 are fixedly provided with second springs 21, and in the process of pushing the second limiting rods 23, the second limiting rods 23 squeeze the second springs 21 in the second side grooves 20, then the connecting plate 3 is taken down from the top block 18, and when the connecting plate 3 is installed, the bottom grooves 19 at the bottom ends of the connecting plate 3 are buckled on the top block 18.
Preferably, a second stop ring 22 is fixedly arranged at one end of the inside of the second side groove 20, a second stop rod 23 is arranged at one end of the inside of the second side groove 20, which is located at the second spring 21, and the second stop ring 22 is sleeved on the outer surface of the second stop rod 23.
Preferably, a stop block 24 is fixedly installed at one end of the second limiting rod 23, one end of the second spring 21 is fixedly connected with the stop block 24, second through grooves 25 are formed in the outer surfaces of two sides of the connecting plate 3, one end of the second limiting rod 23 is matched with the second through grooves 25, the second side grooves 20 correspond to the second through grooves 25, and the second spring 21 in the second side grooves 20 pushes out the second limiting rod 23.
Preferably, the surface of connecting plate 3 is located the one end of second through groove 25 and is provided with solid fixed ring 26, gu fixed ring 26 cover is established in the one end of second gag lever post 23, the one end surface of second gag lever post 23 is provided with the screw thread, gu fixed ring 26 passes through screw thread fixed connection with second gag lever post 23, inserts in the second through groove 25, and the one end of screw thread can expose from second through groove 25, then fixes through installing gu fixed ring 26 at the one end of second gag lever post 23, and is comparatively convenient.
Working principle: firstly, two ends of a fuse main body 1 are changed into a threaded connecting rod 7 and a connecting pipe 2 from smooth metal joints, the connecting rod 7 and the connecting pipe 2 of the threaded joints are very stable and cannot fall off even in a construction site with shock risk, the first fatal defect of an insertion structure is overcome, secondly, the threaded connecting rod 7 and the internal threaded connecting pipe 2 are made of the same material metal, and in the transportation and carrying processes, the threaded connecting rod 7 and the internal threaded connecting pipe 2 are not required to be separated, the risk of deformation is avoided, and the second fatal defect of the insertion structure is overcome; finally, the connection part of the connecting plate 3 and the copper bar 6 is provided with the double-row hole sites 4, the length of the copper bar 6 can be flexibly mastered, the installation of the fuse cannot be influenced due to inaccurate control of the length of the copper bar 6, when the length of the fuse main body 1 needs to be adjusted, the button 13 on the outer surfaces of the first pipe sleeve 9 and the second pipe sleeve 10 needs to be pressed inwards, the first limiting rod 12 in the first through groove 14 is pushed out, the first limiting rod 12 returns into the first side groove 11, the limiting of the first pipe sleeve 9 and the second pipe sleeve 10 is released, then the first pipe sleeve 9 and the second pipe sleeve 10 are rotated, the first through groove 14 on the first pipe sleeve 9 and the second pipe sleeve 10 is staggered with the first side groove 11 on the surface of the inner rod 8, then the first pipe sleeve 9 and the second pipe sleeve 10 are pulled outwards along the inner rod 8, the fuse main body 1 is adjusted, after the length of the fuse main body 1 is adjusted, the first pipe sleeve 9 and the second pipe sleeve 10 are respectively rotated to the original positions, the first through groove 14 corresponds to the corresponding first side groove 11, the first limiting rod 12 in the first side groove 11 is attracted by the magnetic block 16 at one end of the button 13 and inserted into the first through groove 14, the first pipe sleeve 9 and the second pipe sleeve 10 are fixed, when the connecting plate 3 is damaged and needs to be replaced, the fixing rings 26 at two sides need to be rotated, the fixing rings 26 are connected with one end of the second limiting rod 23 through threads, the fixing rings 26 are separated from the second limiting rod 23, the limiting of the second limiting rod 23 is released, then the second limiting rod 23 is pushed inwards, the second limiting rod 23 is separated from the second through groove 25, the second limiting rod 23 presses the second spring 21 in the second side groove 20 in the process of pushing the second limiting rod 23, then the connecting plate 3 is taken down from the top block 18, and when the connecting plate 3 is installed, the bottom groove 19 at the bottom end of the connecting plate 3 is buckled on the top block 18, at this time, the second side groove 20 corresponds to the second through groove 25, the second spring 21 in the second side groove 20 pushes out the second limiting rod 23 and inserts into the second through groove 25, one end of the thread is exposed from the second through groove 25, and then the fixing ring 26 is installed at one end of the second limiting rod 23 to fix the connecting plate conveniently.
The above; is only a preferred embodiment of the present invention; the scope of the invention is not limited in this respect; any person skilled in the art is within the technical scope of the present disclosure; equivalent substitutions or changes are made according to the technical proposal of the invention and the improved conception thereof; are intended to be encompassed within the scope of the present invention.
Claims (10)
1. The utility model provides a voltage transformer protection is with fuse auto-lock installation device, includes fuse main part (1), its characterized in that: the utility model discloses a fuse, including fuse main part (1), connecting pipe (2) are installed to the upper and lower both ends, double hole site (4) have been seted up to the one end fixed mounting of connecting pipe (2), the inside of double hole site (4) is provided with fixing bolt (5), fixing bolt (5) and double hole site (4) assorted, the one end of connecting pipe (3) is provided with copper bar (6), connecting pipe (3) are through fixing bolt (5) and copper bar (6) fixed connection, the upper and lower both ends fixed mounting of fuse main part (1) have connecting rod (7), the surface at connecting rod (7) is established to connecting pipe (2) cover, the surface of connecting rod (7) is provided with the external screw thread, the internal surface of connecting pipe (2) is provided with the internal screw thread, connecting pipe (2) and connecting rod (7) pass through screw thread fixed connection, fuse main part (1) are by interior pole (8), first pipe sleeve (9) and second pipe sleeve (10), first pipe sleeve (9) are all established in the same with second pipe sleeve (10) big outside surface (8).
2. The fuse self-locking mounting device for protecting a voltage transformer according to claim 1, wherein: a plurality of first side grooves (11) are formed in the outer surface of one side of the inner rod (8), the first side grooves (11) are arranged in a straight shape, a first limiting rod (12) is arranged in the first side grooves (11), and the first limiting rod (12) is in sliding connection with the first side grooves (11).
3. The fuse self-locking mounting device for protecting a voltage transformer according to claim 2, wherein: the outer surfaces of the first pipe sleeve (9) and the second pipe sleeve (10) are respectively provided with a button (13), and one ends of the first pipe sleeve (9) and the second pipe sleeve (10) which are positioned in the buttons (13) are respectively provided with a first through groove (14).
4. A fuse self-locking mounting device for protecting a voltage transformer as claimed in claim 3, wherein: the novel push button is characterized in that a first baffle ring (15) is fixedly arranged on one side of the inner wall of the first through groove (14), the first baffle ring (15) is sleeved on the outer surface of the push button (13), a magnetic block (16) is fixedly arranged at one end of the push button (13), and the first limiting rod (12) is made of stainless steel.
5. The fuse self-locking installation device for protecting a voltage transformer according to claim 4, wherein: the outer surface of the magnetic block (16) is positioned on one side of the first baffle ring (15) and sleeved with a first spring (17), and one end of the first spring (17) is fixedly connected with the first baffle ring (15).
6. The fuse self-locking mounting device for protecting a voltage transformer according to claim 1, wherein: the top of connecting plate (3) fixed mounting has kicking block (18), bottom groove (19) have been seted up to the bottom of connecting plate (3), kicking block (18) and bottom groove (19) assorted.
7. The fuse self-locking installation device for protecting a voltage transformer according to claim 6, wherein: second side grooves (20) are formed in two sides of the inner portion of the top block (18), and second springs (21) are fixedly arranged in the second side grooves (20).
8. The fuse self-locking installation device for protecting a voltage transformer according to claim 7, wherein: a second stop ring (22) is fixedly arranged at one end of the inside of the second side groove (20), a second limit rod (23) is arranged at one end of the inside of the second side groove (20) located at the second spring (21), and the second stop ring (22) is sleeved on the outer surface of the second limit rod (23).
9. The fuse self-locking installation device for protecting a voltage transformer according to claim 8, wherein: the utility model discloses a motor vehicle, including connecting plate (3), second gag lever post (23), dog (24) are installed to second gag lever post (23) one end fixed mounting, the one end and the dog (24) fixed connection of second spring (21), second through-slot (25) have been seted up to the both sides surface of connecting plate (3), the one end and the second through-slot (25) phase-match of second gag lever post (23).
10. The fuse self-locking mounting device for protecting a voltage transformer of claim 9, wherein: the outer surface of the connecting plate (3) is provided with a fixed ring (26) at one end of the second through groove (25), the fixed ring (26) is sleeved at one end of the second limiting rod (23), threads are arranged on the outer surface of one end of the second limiting rod (23), and the fixed ring (26) is fixedly connected with the second limiting rod (23) through the threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011212096.XA CN112397359B (en) | 2020-11-04 | 2020-11-04 | Fuse self-locking installation device for protecting voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011212096.XA CN112397359B (en) | 2020-11-04 | 2020-11-04 | Fuse self-locking installation device for protecting voltage transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112397359A CN112397359A (en) | 2021-02-23 |
| CN112397359B true CN112397359B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011212096.XA Active CN112397359B (en) | 2020-11-04 | 2020-11-04 | Fuse self-locking installation device for protecting voltage transformer |
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| Country | Link |
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| CN (1) | CN112397359B (en) |
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| CN110660628A (en) * | 2019-09-24 | 2020-01-07 | 国网河北省电力有限公司 | 35kV high altitude high voltage fuse bushing type auto-lock end cover |
| CN210692288U (en) * | 2019-06-19 | 2020-06-05 | 国网安徽省电力有限公司定远县供电公司 | Heat radiator for be used for voltage transformer current-limiting fuse |
| CN213878010U (en) * | 2020-11-04 | 2021-08-03 | 国网新疆电力有限公司乌鲁木齐供电公司 | Fuse auto-lock installation device for voltage transformer protection |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7403372B2 (en) * | 2006-11-22 | 2008-07-22 | Thomas & Betts International, Inc. | Multiple fused junction with blown fuse indication |
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2020
- 2020-11-04 CN CN202011212096.XA patent/CN112397359B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200345712Y1 (en) * | 2003-12-31 | 2004-03-25 | 신민식 | Fuse holder |
| CN104332874A (en) * | 2014-06-25 | 2015-02-04 | 上海宝临电气集团有限公司 | Contact arm of voltage transformer handcart |
| CN108711544A (en) * | 2018-05-31 | 2018-10-26 | 西安固之电气科技有限公司 | A kind of protected cut-out |
| CN109004571A (en) * | 2018-07-26 | 2018-12-14 | 广西金德泰电气有限公司 | A kind of compact metal enclosed switch of gas-insulated closing |
| CN210692288U (en) * | 2019-06-19 | 2020-06-05 | 国网安徽省电力有限公司定远县供电公司 | Heat radiator for be used for voltage transformer current-limiting fuse |
| CN110660628A (en) * | 2019-09-24 | 2020-01-07 | 国网河北省电力有限公司 | 35kV high altitude high voltage fuse bushing type auto-lock end cover |
| CN213878010U (en) * | 2020-11-04 | 2021-08-03 | 国网新疆电力有限公司乌鲁木齐供电公司 | Fuse auto-lock installation device for voltage transformer protection |
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