CN120854146B - 10-35KV combined transformer for measuring current and voltage - Google Patents

10-35KV combined transformer for measuring current and voltage

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Publication number
CN120854146B
CN120854146B CN202511361561.9A CN202511361561A CN120854146B CN 120854146 B CN120854146 B CN 120854146B CN 202511361561 A CN202511361561 A CN 202511361561A CN 120854146 B CN120854146 B CN 120854146B
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CN
China
Prior art keywords
mounting
groove
plug
fixedly installed
top cover
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Application number
CN202511361561.9A
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Chinese (zh)
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CN120854146A (en
Inventor
周宇焱
姚晨
胡杰
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Tianbo Transformer Changzhou Co ltd
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Tianbo Transformer Changzhou Co ltd
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Priority to CN202511361561.9A priority Critical patent/CN120854146B/en
Publication of CN120854146A publication Critical patent/CN120854146A/en
Application granted granted Critical
Publication of CN120854146B publication Critical patent/CN120854146B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase AC
    • H01F38/34—Combined voltage and current transformers
    • H01F38/36—Constructions
    • 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
    • H01F27/02—Casings
    • 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
    • H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformers For Measuring Instruments (AREA)

Abstract

The invention relates to the technical field of transformers, in particular to a 10-35kV current and voltage metering combined transformer which comprises a transformer body and a wiring groove arranged at one end of the transformer body, wherein a threading hole is formed in the bottom of the wiring groove in a communicating mode, a bottom plate and binding belts are arranged in the wiring groove, an installation shell is fixedly arranged at one end of the top of the bottom plate, an installation shaft I is fixedly arranged at one end of the inside of the installation shell, an installation shaft II is fixedly arranged in the sleeve, a locking mechanism is arranged in the installation shell, a top cover is arranged at the top of the installation shell, a clamping mechanism is arranged in the top cover, and a rotating mechanism is arranged at one end, close to the installation shaft II, of the top cover. The invention has the beneficial effects that the mode of binding a plurality of wires by the adhesive tape in the prior art is replaced, the binding tape cannot age and deteriorate due to the influence of temperature and humidity, and the effect of binding the plurality of wires is ensured.

Description

10-35KV combined transformer for measuring current and voltage
Technical Field
The invention relates to the technical field of transformers, in particular to a 10-35kV current and voltage metering combined transformer.
Background
The current-voltage combined transformer is equipment integrating a Current Transformer (CT) and a voltage transformer (PT) into one device, the combined transformer needs to be installed on a power line (such as a high-voltage switch cabinet and an outdoor column) on site after leaving a factory, at the moment, the output end (a current terminal and a voltage terminal) of a secondary winding of the combined transformer needs to be connected with downstream secondary equipment through secondary wiring, and wiring is realized through a secondary wiring terminal row integrated inside the combined transformer during secondary wiring.
In the wiring process of the secondary wiring terminal of the combined transformer, the combined transformer mainly comprises A, B, C three-phase current wires of a current loop, A, B, C three-phase voltage wires of a voltage loop, neutral wires, grounding wires of the current loop and the voltage loop, and the like, and the fact that the wires of the secondary wiring terminal are more can be seen, if the wires are pulled under stress, the connection of the terminal bars is loose and poor in contact, further current or voltage signal distortion or interruption is caused, the metering and protection functions of the combined transformer are affected, therefore, after the wires are connected with the secondary wiring terminal, the wires are usually fixed by using adhesive tapes, but the adhesive tapes are easily affected by temperature and humidity, ageing and deterioration are caused, viscosity is lost after long-term use, the wires are loose and scattered, the adhesive tapes are not easy to disassemble, the wires can be adjusted only by damaging the adhesive tapes during later maintenance, and the insulating layers of the wires are possibly damaged.
Disclosure of Invention
The invention aims to provide a 10-35kV current and voltage metering combined transformer for solving the problems in the background technology.
The combined type transformer for measuring the current and the voltage of 10-35kV comprises a transformer body and a wiring groove formed in one end of the transformer body, wherein a threading hole is formed in the bottom of the wiring groove in a communicating mode, a bottom plate and a binding belt are arranged in the wiring groove, a mounting shell is fixedly arranged at one end of the top of the bottom plate, a circular groove is fixedly formed in one end, far away from the mounting shell, of the top of the bottom plate, the diameter of the circular groove is the same as that of the threading hole, a mounting shaft I is fixedly arranged at one end, far away from the mounting shaft I, of the mounting shell, a sleeve is rotatably arranged at one end, far away from the mounting shaft I, of the sleeve, a mounting shaft II is fixedly arranged in the mounting shell, a locking mechanism is arranged in the mounting shell, a top cover is arranged at the top of the mounting shell, a clamping mechanism is arranged in the top cover, and a rotating mechanism is arranged at one end, close to the mounting shaft II, of the top cover;
The rotary mechanism comprises a plug-in column and a plug-in groove, the top end of the plug-in column is rotationally connected with the top cover, the top of the plug-in column penetrates through the top cover and extends to the top of the top cover, a rotary button is fixedly arranged at the top of the plug-in column, a plurality of protruding blocks which are uniformly distributed are fixedly arranged at the outer part of the bottom end of the plug-in column, the plug-in groove is formed in the middle of a second mounting shaft, the plug-in groove is mutually matched with the plug-in column, a plurality of grooves which are uniformly distributed are communicated with the outer part of the plug-in groove, and the grooves are mutually matched with the protruding blocks.
Preferably, the top of threading hole intercommunication has the mounting groove, the specification size of bottom plate and mounting groove is mutually adapted, the inside in the mounting groove is passed through bolt fixed mounting to the bottom plate.
Preferably, the locking mechanism comprises a ratchet wheel and a fixed shaft, the ratchet wheel is fixedly sleeved on the outer portion of the bottom end of the sleeve, the fixed shaft is fixedly mounted in the mounting shell, the locking rod is sleeved on the outer portion of the fixed shaft in a rotating mode, the locking rod is matched with the ratchet wheel, a deflector rod is fixedly mounted on one side of the locking rod, a first spring is fixedly mounted between one side of the locking rod and the inner wall of the mounting shell, an opening is formed in one end of the inner portion of the mounting shell, and the locking rod is arranged in the opening.
Preferably, the two ends of the binding belt are fixedly provided with connecting parts, the two connecting parts are respectively sleeved outside the first installation shaft and the second installation shaft, one end of the installation shell, which is close to the circular groove, is provided with two first strip-shaped grooves, the two first strip-shaped grooves correspond to the first installation shaft and the second installation shaft respectively, one end of the sleeve is provided with two second strip-shaped grooves, and the two first strip-shaped grooves and the two strip-shaped grooves are matched with the binding belt.
Preferably, the clamping mechanism comprises two clamping grooves and two clamping rods, wherein the two clamping grooves are formed in one end of the top of the installation shell, the two clamping rods are slidably mounted at one end of the top cover, the two clamping rods are matched with the two clamping grooves respectively, the two clamping rods are fixedly mounted with pushing blocks at the top of one end, away from the two clamping grooves, of the clamping rods, and springs II are fixedly mounted between one side, close to each other, of the clamping rods and the inner wall of the top cover.
Preferably, the outside fixed mounting at spliced pole top has polylith evenly distributed's stopper one, the outside fixed mounting of installation axle two bottom has polylith evenly distributed's stopper two, the outside at spliced pole top and the outside of installation axle two bottom all are provided with annular shell, two annular shell respectively with top cap and installation shell fixed connection, two the inside one end of annular shell slidable mounting has the locating piece respectively, two the one end of locating piece respectively with the inner wall of the annular shell that corresponds respectively between fixed mounting have the spring three, two the locating piece respectively with polylith stopper one and polylith stopper two mutually support.
Preferably, the first limiting block, the second limiting block, the convex blocks and the grooves are the same in number, and the first limiting block, the second limiting block and the positioning blocks are triangular.
Compared with the prior art, the invention has the beneficial effects that:
1. The binding band is used for binding and fixing the plurality of wires, the mode of binding the plurality of wires through the adhesive tape in the prior art is replaced, the binding band cannot age and deteriorate due to the influence of temperature and humidity, the effect of binding the plurality of wires is guaranteed, and meanwhile, the plurality of wires can be quickly loosened under the action of the locking mechanism, so that the follow-up operation staff can conveniently adjust the plurality of wires.
2. In this device, can change the binding band of damage, at the in-process of changing the binding band, after spliced pole breaks away from with the jack-in groove, through the stopper first that sets up, stopper two, locating piece scheduling structure, can also ensure the position correspondence of a plurality of recesses and polylith lug to the butt joint of spliced pole and jack-in groove is convenient next time, does not need the operating personnel to adjust the position of a plurality of recesses and polylith lug repeatedly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
fig. 2 is a schematic diagram of a structure of one side of a transformer body according to the present invention;
FIG. 3 is a schematic view of the overall combination of the base plate, mounting housing, and top cover of the present invention;
FIG. 4 is a schematic view of the structure of the base plate and the mounting housing of the present invention;
FIG. 5 is a schematic view of the structure of the binding band of the present invention;
FIG. 6 is a schematic view of the internal structure of the base plate and mounting housing of the present invention;
FIG. 7 is a schematic view of the top structure of the top cover of the present invention;
FIG. 8 is a schematic view of the bottom structure of the top cover of the present invention;
FIG. 9 is a schematic view of a sleeve structure according to the present invention;
fig. 10 is a partial top view of the present invention.
In the drawing, the list of the parts represented by the reference numerals comprises 1, a transformer body, 2, a wiring groove, 3, a threading hole, 4, a bottom plate, 5, a mounting shell, 6, a binding belt, 7, an opening, 8, a round groove, 9, a mounting groove, 10, a mounting shaft I, 11, a sleeve, 12, a mounting shaft II, 13, a ratchet wheel, 14, a fixed shaft, 15, a locking rod, 16, a deflector rod, 17, a spring I, 18, a connecting part, 19, a strip groove I, 20, a strip groove II, 21, a top cover, 22, a clamping groove 23, a clamping rod, 24, a pushing block, 25, a spring II, 26, a plug post, 27, a rotating button, 28, a bump, 29, a plug groove, 30, a groove, 31, a limiting block I, 32, a limiting block II, 33, an annular shell, 34, a positioning block, 35 and a spring III.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a technical scheme that the 10-35kV current and voltage metering combined transformer shown in figures 1-10 comprises a transformer body 1 and a wiring groove 2 arranged at one end of the transformer body 1, wherein the bottom of the wiring groove 2 is communicated with a threading hole 3, a bottom plate 4 and a binding belt 6 are arranged in the wiring groove 2, one end of the top of the bottom plate 4 is fixedly provided with a mounting shell 5, one end of the top of the bottom plate 4, which is far away from the mounting shell 5, is fixedly provided with a circular groove 8, the diameter of the circular groove 8 is the same as that of the threading hole 3, one end of the inside of the mounting shell 5 is fixedly provided with a mounting shaft I10, one end of the inside of the mounting shell 5, which is far away from the mounting shaft I10, is rotatably provided with a sleeve 11, the inside of the sleeve 11 is fixedly provided with a mounting shaft II 12, the inside of the mounting shell 5 is provided with a locking mechanism, the top cover 21 is internally provided with a clamping mechanism, and one end of the top cover 21, which is close to the mounting shaft II 12, is provided with a rotating mechanism;
The rotary mechanism comprises a plug-in column 26 and a plug-in groove 29, the top end of the plug-in column 26 is rotationally connected with the top cover 21, the top of the plug-in column 26 penetrates through the top cover 21 and extends to the top of the top cover 21, a rotary button 27 is fixedly arranged at the top of the plug-in column 26, a plurality of evenly distributed protruding blocks 28 are fixedly arranged at the outer part of the bottom end of the plug-in column 26, the plug-in groove 29 is arranged in the middle of the second mounting shaft 12, the plug-in groove 29 is mutually matched with the plug-in column 26, a plurality of evenly distributed grooves 30 are communicated with the outer part of the plug-in groove 29, and the grooves 30 are mutually matched with the protruding blocks 28.
The top intercommunication of through wires hole 3 has mounting groove 9, and the specification size of bottom plate 4 and mounting groove 9 is mutually adapted, and bottom plate 4 passes through bolt fixed mounting in the inside of mounting groove 9.
The locking mechanism comprises a ratchet wheel 13 and a fixed shaft 14, the ratchet wheel 13 is fixedly sleeved on the outer portion of the bottom end of the sleeve 11, the fixed shaft 14 is fixedly mounted in the mounting shell 5, a locking rod 15 is sleeved on the outer portion of the fixed shaft 14 in a rotating mode, the locking rod 15 is matched with the ratchet wheel 13, a deflector rod 16 is fixedly mounted on one side of the locking rod 15, a spring 17 is fixedly mounted between one side of the locking rod 15 and the inner wall of the mounting shell 5, an opening 7 is formed in one end of the inner portion of the mounting shell 5, and the locking rod 15 is arranged in the opening 7.
The two ends of the binding belt 6 are fixedly provided with connecting parts 18, the two connecting parts 18 are respectively sleeved outside the first installation shaft 10 and the second installation shaft 12, one end, close to the circular groove 8, of the installation shell 5 is provided with two first strip-shaped grooves 19, the two first strip-shaped grooves 19 are respectively corresponding to the first installation shaft 10 and the second installation shaft 12 in position, one end of the sleeve 11 is provided with a second strip-shaped groove 20, and the two first strip-shaped grooves 19 and the second strip-shaped grooves 20 are matched with the binding belt 6.
The clamping mechanism comprises two clamping grooves 22 and two clamping rods 23, the two clamping grooves 22 are formed in one end of the top of the installation shell 5, the two clamping rods 23 are slidably mounted at one end of the top cover 21, the two clamping rods 23 are respectively matched with the two clamping grooves 22, the top of one end, far away from the two clamping grooves 22, of the two clamping rods 23 is fixedly provided with a pushing block 24, and a spring II 25 is fixedly mounted between one side, close to each other, of the two clamping rods 23 and the inner wall of the top cover 21.
The outside fixed mounting on spliced pole 26 top has polylith evenly distributed's stopper I31, the outside fixed mounting of installation axle II 12 bottom has polylith evenly distributed's stopper II 32, the outside on spliced pole 26 top and the outside of installation axle II 12 bottom all are provided with annular shell 33, two annular shells 33 respectively with top cap 21 and installation shell 5 fixed connection, the inside one end of two annular shells 33 slidable mounting has locating piece 34 respectively, the one end of two locating pieces 34 respectively with the inner wall of the annular shell 33 of each corresponding respectively between fixed mounting have spring III 35, two locating pieces 34 respectively with polylith stopper I31 and polylith stopper II 32 mutually support.
The first limiting block 31, the second limiting block 32, the convex blocks 28 and the grooves 30 are the same in number, and the first limiting block 31, the second limiting block 32 and the positioning blocks 34 are triangular.
Before use, the connecting parts 18 at two ends of the binding belt 6 are respectively sleeved outside the first mounting shaft 10 and the second mounting shaft 12, two ends of the binding belt 6 are respectively clamped into the first strip-shaped groove 19 and the second strip-shaped groove 20 which are respectively corresponding to each other, after the binding belt 6 is mounted in the mounting shell 5, the two pushing blocks 24 are pushed to move close to each other at the same time, the two clamping rods 23 are driven to move close to each other at the same time, then the top cover 21 is placed on the top of the mounting shell 5, one ends of the two clamping rods 23 are inserted into the corresponding clamping grooves 22, after the top cover 21 is placed, the two pushing blocks 24 are released, the two clamping rods 23 are clamped into the two clamping grooves 22 under the action of the second springs 25, so that the top cover 21 is fixed on the top of the mounting shell 5, and finally the bottom plate 4 is fixed in the mounting groove 9 through bolts;
When the wires are connected with the secondary wiring terminals in the mutual inductor body 1, firstly, a plurality of wires sequentially pass through the threading holes 3 in the wiring groove 2 and the circular groove 8 at one end of the bottom plate 4, pass through the inside of the binding belt 6, extend the connecting ends of the plurality of wires into the wiring groove 2, respectively connect with the interfaces of the corresponding secondary wiring terminals, and then bind and fix the plurality of wires;
When a plurality of wires are bound, the rotating button 27 is firstly operated (it is to be noted that the following description is carried out according to the direction of the ratchet wheel 13 shown in fig. 10), the rotating button 27 is operated to drive the inserting column 26 at the bottom of the rotating button to rotate clockwise, under the cooperation of the plurality of convex blocks 28 and the plurality of grooves 30, the mounting shaft II 12 and the sleeve 11 synchronously rotate clockwise, and further drive the ratchet wheel 13 to rotate, the locking rod 15 at the moment can rotate around the fixed shaft 14 under the action of the ratchet wheel 13 and can not lock the ratchet wheel 13, the binding belt 6 is driven to tighten along with the rotation of the sleeve 11, so that the plurality of wires are bound and fixed, the problem that interfaces are loosened due to the pulling of the plurality of wires is avoided, the binding belt 6 can not age and deteriorate due to the influence of temperature and humidity in the prior art is replaced, the effect of binding the plurality of wires is ensured, when the position of the plurality of wires is required to be adjusted, the locking rod 16 is stirred, the locking rod 15 is driven to rotate, the spring I17 is further driven to extrude, the locking rod 15 is separated from the ratchet wheel 13, the limit is not generated, the binding belt 6 is pulled, and the plurality of wires can be conveniently adjusted by a plurality of operators after the binding staff;
In the process of rotating the inserting post 26 and the sleeve 11, the first limiting blocks 31 and the second limiting blocks 32 outside the inserting post are driven to synchronously rotate, the first limiting blocks 31 and the second limiting blocks 32 are driven to shrink in the process of rotating the first limiting blocks 31 and the second limiting blocks 32, the corresponding positioning blocks 34 are pushed to shrink, the three springs 35 are correspondingly deformed, when the binding belt 6 is replaced, the two pushing blocks 24 are pushed to move close to each other, the two clamping rods 23 are separated from the corresponding clamping grooves 22, the top cover 21 can be removed, the binding belt 6 is taken out, the inserting post 26 and the convex blocks 28 are separated from the inserting grooves 29 and the concave blocks 30 when the top cover 21 is removed, and the two positioning blocks 34 are inserted between the first limiting blocks 31 and the second limiting blocks 32 adjacent to position positioning the concave blocks 30 and the convex blocks 28, so that when the inserting post 26 is installed in the inserting grooves 29 next time, the concave blocks 30 and the convex blocks 28 are mutually corresponding to each other, and an operator is not required to repeatedly adjust the positions of the concave blocks 30 and the convex blocks 28.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1.一种10-35kV计量电流及电压组合式互感器，包括互感器本体（1）以及开设于互感器本体（1）一端的接线槽（2），其特征在于：所述接线槽（2）的底部连通有穿线孔（3），所述接线槽（2）的内部设置有底板（4）以及捆绑带（6），所述底板（4）顶部的一端固定安装有安装外壳（5），所述底板（4）顶部远离安装外壳（5）的一端固定开设有圆形槽（8），所述圆形槽（8）与穿线孔（3）的直径相同，所述安装外壳（5）内部的一端固定安装有安装轴一（10），所述安装外壳（5）内部远离安装轴一（10）的一端转动安装有套筒（11），所述套筒（11）的内部固定安装有安装轴二（12），所述安装外壳（5）的内部设置有锁紧机构，所述安装外壳（5）的顶部设置有顶盖（21），所述顶盖（21）的内部设置有卡固机构，所述顶盖（21）顶部靠近安装轴二（12）的一端设置有旋转机构；1. A 10-35kV metering current and voltage combined transformer, comprising a transformer body (1) and a wiring groove (2) opened at one end of the transformer body (1), characterized in that: the bottom of the wiring groove (2) is connected to a wire hole (3), a base plate (4) and a binding strap (6) are provided inside the wiring groove (2), a mounting shell (5) is fixedly installed at one end of the top of the base plate (4), and a circular groove (8) is fixedly opened at the end of the top of the base plate (4) away from the mounting shell (5), the circular groove (8) and the wire hole (3) are connected to each other. The diameters are the same. One end of the mounting housing (5) is fixedly installed with a mounting shaft one (10). The end of the mounting housing (5) away from the mounting shaft one (10) is rotatably installed with a sleeve (11). The inside of the sleeve (11) is fixedly installed with a mounting shaft two (12). The inside of the mounting housing (5) is provided with a locking mechanism. The top of the mounting housing (5) is provided with a top cover (21). The inside of the top cover (21) is provided with a locking mechanism. The top of the top cover (21) near the mounting shaft two (12) is provided with a rotating mechanism. 所述旋转机构包括插接柱（26）以及插接槽（29），所述插接柱（26）的顶端与顶盖（21）转动连接，所述插接柱（26）的顶部贯穿顶盖（21），且延伸至顶盖（21）的顶部，所述插接柱（26）的顶部固定安装有旋转钮（27），所述插接柱（26）底端的外部固定安装有多块均匀分布的凸块（28），所述插接槽（29）开设于安装轴二（12）的中部，所述插接槽（29）与插接柱（26）相互配合，所述插接槽（29）的外部连通有多个均匀分布的凹槽（30），多个所述凹槽（30）均与多块凸块（28）相互配合；The rotating mechanism includes a plug-in post (26) and a plug-in groove (29). The top end of the plug-in post (26) is rotatably connected to the top cover (21). The top end of the plug-in post (26) penetrates the top cover (21) and extends to the top of the top cover (21). A rotary knob (27) is fixedly installed on the top end of the plug-in post (26). Multiple evenly distributed protrusions (28) are fixedly installed on the outside of the bottom end of the plug-in post (26). The plug-in groove (29) is opened in the middle of the mounting shaft (12). The plug-in groove (29) cooperates with the plug-in post (26). Multiple evenly distributed grooves (30) are connected to the outside of the plug-in groove (29). The multiple grooves (30) cooperate with the multiple protrusions (28). 所述捆绑带（6）的两端均固定安装有连接部（18），两个所述连接部（18）分别套设于安装轴一（10）以及安装轴二（12）的外部，所述安装外壳（5）靠近圆形槽（8）的一端开设有两个条形槽一（19），两个所述条形槽一（19）分别与安装轴一（10）以及安装轴二（12）的位置相互对应，所述套筒（11）的一端开设有条形槽二（20），两个所述条形槽一（19）以及条形槽二（20）均与捆绑带（6）相互配合。Both ends of the binding strap (6) are fixedly installed with connecting parts (18). The two connecting parts (18) are respectively sleeved on the outside of the first mounting shaft (10) and the second mounting shaft (12). The mounting shell (5) has two strip grooves (19) at one end near the circular groove (8). The two strip grooves (19) correspond to the positions of the first mounting shaft (10) and the second mounting shaft (12). The sleeve (11) has a strip groove (20) at one end. The two strip grooves (19) and the strip groove (20) cooperate with the binding strap (6). 2.根据权利要求1所述的一种10-35kV计量电流及电压组合式互感器，其特征在于：所述穿线孔（3）的顶部连通有安装槽（9），所述底板（4）与安装槽（9）的规格尺寸相互适配，所述底板（4）通过螺栓固定安装于安装槽（9）的内部。2. A 10-35kV metering current and voltage combined transformer according to claim 1, characterized in that: the top of the through hole (3) is connected to the mounting groove (9), the specifications and dimensions of the base plate (4) and the mounting groove (9) are compatible with each other, and the base plate (4) is fixedly installed inside the mounting groove (9) by bolts. 3.根据权利要求1所述的一种10-35kV计量电流及电压组合式互感器，其特征在于：所述锁紧机构包括棘轮（13）以及固定轴（14），所述棘轮（13）固定套设于套筒（11）底端的外部，所述固定轴（14）固定安装于安装外壳（5）的内部，所述固定轴（14）的外部转动套设有锁紧杆（15），所述锁紧杆（15）与棘轮（13）相互配合，所述锁紧杆（15）的一侧固定安装有拨杆（16），所述锁紧杆（15）的一侧与安装外壳（5）的内壁之间固定安装有弹簧一（17），所述安装外壳（5）内部的一端开设有开口（7），所述锁紧杆（15）设置于开口（7）的内部。3. A 10-35kV metering current and voltage combined transformer according to claim 1, characterized in that: the locking mechanism includes a ratchet (13) and a fixed shaft (14), the ratchet (13) is fixedly sleeved on the outside of the bottom end of the sleeve (11), the fixed shaft (14) is fixedly installed inside the mounting shell (5), a locking rod (15) is rotatably sleeved on the outside of the fixed shaft (14), the locking rod (15) cooperates with the ratchet (13), a lever (16) is fixedly installed on one side of the locking rod (15), a spring (17) is fixedly installed between one side of the locking rod (15) and the inner wall of the mounting shell (5), an opening (7) is opened at one end inside the mounting shell (5), and the locking rod (15) is located inside the opening (7). 4.根据权利要求1所述的一种10-35kV计量电流及电压组合式互感器，其特征在于：所述卡固机构包括两个卡槽（22）以及两根卡固杆（23），两个所述卡槽（22）开设于安装外壳（5）顶部的一端，两根所述卡固杆（23）均滑动安装于顶盖（21）的一端，两根所述卡固杆（23）分别与两个所述卡槽（22）相互配合，两根所述卡固杆（23）远离两个卡槽（22）一端的顶部均固定安装有推动块（24），两根所述卡固杆（23）相互靠近的一侧与顶盖（21）的内壁之间均固定安装有弹簧二（25）。4. A 10-35kV metering current and voltage combined transformer according to claim 1, characterized in that: the locking mechanism includes two locking slots (22) and two locking rods (23), the two locking slots (22) are opened at one end of the top of the mounting shell (5), the two locking rods (23) are slidably installed at one end of the top cover (21), the two locking rods (23) respectively cooperate with the two locking slots (22), the top of the two locking rods (23) away from the two locking slots (22) is fixedly installed with a push block (24), and the side of the two locking rods (23) that are close to each other is fixedly installed with a spring (25) between the inner wall of the top cover (21). 5.根据权利要求1所述的一种10-35kV计量电流及电压组合式互感器，其特征在于：所述插接柱（26）顶端的外部固定安装有多块均匀分布的限位块一（31），所述安装轴二（12）底端的外部固定安装有多块均匀分布的限位块二（32），所述插接柱（26）顶端的外部以及安装轴二（12）底端的外部均设置有环形外壳（33），两个所述环形外壳（33）分别与顶盖（21）以及安装外壳（5）固定连接，两个所述环形外壳（33）内部的一端分别滑动安装有定位块（34），两块所述定位块（34）的一端分别与各自对应的环形外壳（33）的内壁之间固定安装有弹簧三（35），两块所述定位块（34）分别与多块限位块一（31）以及多块限位块二（32）相互配合。5. A 10-35kV metering current and voltage combined transformer according to claim 1, characterized in that: multiple uniformly distributed limiting blocks one (31) are fixedly installed on the outside of the top end of the plug-in post (26), multiple uniformly distributed limiting blocks two (32) are fixedly installed on the outside of the bottom end of the mounting shaft two (12), and annular shells (33) are provided on the outside of the top end of the plug-in post (26) and the outside of the bottom end of the mounting shaft two (12), the two annular shells (33) are fixedly connected to the top cover (21) and the mounting shell (5) respectively, and a positioning block (34) is slidably installed on one end of the two annular shells (33), and a spring three (35) is fixedly installed between one end of the two positioning blocks (34) and the inner wall of their respective annular shells (33), and the two positioning blocks (34) cooperate with the multiple limiting blocks one (31) and the multiple limiting blocks two (32) respectively. 6.根据权利要求5所述的一种10-35kV计量电流及电压组合式互感器，其特征在于：多块所述限位块一（31）、多块限位块二（32）、多块凸块（28）以及多个凹槽（30）的数量均相同，多块所述限位块一（31）、多块限位块二（32）以及两块定位块（34）均呈三角形设置。6. A 10-35kV metering current and voltage combined transformer according to claim 5, characterized in that: the number of multiple limiting blocks one (31), multiple limiting blocks two (32), multiple protrusions (28) and multiple grooves (30) are all the same, and the multiple limiting blocks one (31), multiple limiting blocks two (32) and two positioning blocks (34) are all arranged in a triangular shape.
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CN202678092U (en) * 2012-07-31 2013-01-16 枣强县电力局 Current transformer terminal block protective cover
CN221927755U (en) * 2024-03-26 2024-10-29 天津市泰莱电力设备技术有限公司 A high voltage column current transformer

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Publication number Priority date Publication date Assignee Title
CN107393685A (en) * 2017-08-10 2017-11-24 吴鑫锋 A kind of high overload stable type transformer
CN212411799U (en) * 2020-05-22 2021-01-26 陆琳 Protective wire harness structure for transformer
CN220189408U (en) * 2023-06-29 2023-12-15 特变电工超高压电气有限公司 Transformer lead binding structure and transformer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202678092U (en) * 2012-07-31 2013-01-16 枣强县电力局 Current transformer terminal block protective cover
CN221927755U (en) * 2024-03-26 2024-10-29 天津市泰莱电力设备技术有限公司 A high voltage column current transformer

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