CN221486378U - High-voltage switch breaker convenient for replacing disconnecting link - Google Patents
High-voltage switch breaker convenient for replacing disconnecting link Download PDFInfo
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- CN221486378U CN221486378U CN202322723021.3U CN202322723021U CN221486378U CN 221486378 U CN221486378 U CN 221486378U CN 202322723021 U CN202322723021 U CN 202322723021U CN 221486378 U CN221486378 U CN 221486378U
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- circuit breaker
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- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 230000003068 static effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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Abstract
The utility model discloses a high-voltage switch breaker convenient for replacing a disconnecting link, which comprises a breaker shell, wherein three breaker bodies are arranged on the top surface of the breaker shell, current transformers are respectively arranged on the three breaker bodies, connecting blocks are respectively and symmetrically fixedly connected on the current transformers, connecting holes are respectively arranged on the connecting blocks, one ends of movable contact blades are respectively hinged between the connecting blocks through hinging bolts, one ends of the movable contact blades are provided with mounting holes, the hinging bolts are respectively clamped in the connecting holes and the mounting holes, two sides of the movable contact blades positioned in the middle are respectively fixedly connected with one end of a fixing rod, and the other ends of the fixing rods are respectively fixedly connected with one sides of the other two movable contact blades. According to the utility model, the position of the movable contact knife can be fixed through the movable component when the circuit is connected, so that the movable contact knife is prevented from moving in the use process, and the movable contact knife can be prevented from contacting the fixed contact by the movable component when the circuit is disconnected, so that the safety of equipment is improved.
Description
Technical Field
The utility model relates to the technical field of breaker equipment, in particular to a high-voltage switch breaker with a convenient disconnecting link replacement.
Background
A circuit breaker refers to a switching device capable of closing, carrying and opening a current under normal circuit conditions and closing, carrying and opening a current under abnormal circuit conditions within a prescribed time. The circuit breaker can be used for distributing electric energy, starting the asynchronous motor infrequently, protecting a power line, the motor and the like, and automatically cutting off the circuit when serious overload or short circuit, undervoltage and other faults occur, and the functions of the circuit breaker are equivalent to the combination of a fuse type switch, an over-under-heating relay and the like. A wide range of applications have been achieved. When three-phase alternating current high-voltage power is connected to a user, a breaker with a disconnecting switch in high-voltage vacuum must be assembled.
To this end, the chinese patent of the utility model with the publication number CN214672377U discloses a vacuum circuit breaker with an isolation knife switch, which comprises a base, the left top of the base is fixedly provided with a circuit breaker vacuum box main body, the bottom of the left outer wall of the circuit breaker vacuum box main body is fixedly connected with a lower wiring board, the bottom inner wall of the circuit breaker vacuum box main body is fixedly provided with a built-in voltage transformer, the top of the circuit breaker vacuum box main body is fixedly provided with a plastic spraying box body, and the top of the plastic spraying box body is fixedly provided with a voltage transformer. This take vacuum circuit breaker who keeps apart switch is convenient for keep apart the fixed of switch through the first switch spliced pole that sets up, the installation of first switch spliced pole of being convenient for through the first fixed column of the first fixed plate cooperation that sets up, the installation that is favorable to the second switch spliced pole is fixed through the second erection column cooperation second mounting hole that sets up for it is more convenient to dismantle in the installation of keeping apart the switch, improves work efficiency greatly.
However, the disconnecting link of the device lacks a limiting structure, and can possibly generate displacement in the use process, so that the safety performance is lower, and the high-voltage switch breaker convenient for replacing the disconnecting link is provided for solving the problems.
Disclosure of utility model
The utility model aims to provide a high-voltage switch breaker with a conveniently replaced disconnecting link, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-voltage switch breaker with the disconnecting link convenient to replace comprises a breaker shell, wherein three breaker bodies are arranged on the top surface of the breaker shell, current transformers are respectively arranged on the three breaker bodies,
The current transformer is symmetrically and fixedly connected with connecting blocks respectively, connecting holes are formed in the connecting blocks respectively, one ends of the movable contact blades are hinged between the connecting blocks through hinge bolts respectively, mounting holes are formed in one ends of the movable contact blades, the hinge bolts are respectively clamped in the connecting holes and the mounting holes, two sides of the movable contact blades positioned in the middle are respectively fixedly connected with one ends of fixing rods, and the other ends of the fixing rods are respectively fixedly connected with one sides of the other two movable contact blades;
The circuit breaker shell is fixedly connected to one end of the top surface of the mounting bottom plate, the other end of the top surface of the mounting bottom plate is provided with three disconnecting link connecting column bottom surfaces, the top surfaces of the disconnecting link connecting columns are respectively fixedly contacted with one end of the bottom surface of the head seat, the top surfaces of the contact seat are respectively fixedly connected with a fixed contact, and the top surfaces of the fixed contacts are contacted with the touch contact knife;
The contact seat in the middle is fixedly connected with one end of the moving assembly, the other end of the moving assembly is respectively connected with the touch contact knife, the top surfaces of the contact seats are respectively provided with a sliding groove, and the sliding grooves are respectively clamped with the moving assembly;
The bottom surface of the mounting bottom plate is symmetrically and fixedly connected with a fixing frame, and fixing holes are symmetrically formed in the fixing frame respectively.
Preferably, the top surfaces of the movable contact blades are fixedly connected with insulating handles respectively.
Preferably, the movable assembly comprises three limiting blocks, limiting grooves are respectively formed in one side of each limiting block, the inner top surfaces of the limiting grooves are respectively contacted with the contact knives, the bottom surfaces of the limiting blocks are respectively contacted with the top surfaces of the contact bases, two ends of each limiting block positioned in the middle are respectively fixedly connected with one end of a connecting rod, the other ends of the connecting rods are respectively fixedly connected with other limiting blocks, the bottom surfaces of the limiting blocks are respectively fixedly connected with sliding blocks, the sliding blocks are respectively clamped in the sliding grooves, the other ends of the limiting blocks positioned in the middle are rotationally connected with one end of a movable rod, the other ends of the movable rods are clamped in adjusting holes formed in adjusting blocks, the bottom surfaces of the adjusting blocks are fixedly connected with the top surfaces of the contact bases, threaded structures are respectively arranged on the outer walls of the movable rods and the inner walls of the adjusting holes, and the other ends of the movable rods are fixedly connected with rotating blocks.
Preferably, the limiting block and the rotating block are respectively made of insulating materials.
Preferably, the width of the limiting groove is larger than the diameter of the fixed contact, and the width of the limiting groove is equal to the width of the movable contact knife.
Preferably, the length and thickness of the sliding block are equal to the width and depth of the sliding groove respectively.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the position of the movable contact knife can be fixed through the movable component when the circuit is connected, so that the movable contact knife is prevented from moving in the use process, and the movable contact knife can be prevented from contacting the fixed contact by the movable component when the circuit is disconnected, so that the safety of equipment is improved.
The equipment can be dismantled movable contact sword from equipment through dismantling the hinge bolt, conveniently carries out quick replacement to it, has also made things convenient for other parts of switch to overhaul and change, and efficiency is higher.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of an elevation and cross-sectional structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a knife switch according to the present utility model.
In the figure: 1. a circuit breaker housing; 101. a circuit breaker body; 102. a current transformer; 2. a connecting block; 201. a connection hole; 3. a movable contact knife; 301. a mounting hole; 302. an insulating handle; 4. a hinge bolt; 5. a fixed rod; 6. a mounting base plate; 7. a disconnecting link connecting column; 8. a contact base; 801. a stationary contact; 802. a sliding groove; 9. a moving assembly; 91. a limiting block; 92. a limit groove; 93. a connecting rod; 94. a slide block; 95. a moving rod; 96. adjusting the block; 97. an adjustment hole; 98. a rotating block; 10. a fixing frame; 1001. and a fixing hole.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, the present utility model provides a technical solution: a high-voltage switch breaker with a convenient disconnecting link replacement comprises a breaker shell 1, three breaker bodies 101 are arranged on the top surface of the breaker shell 1, current transformers 102 are respectively arranged on the three breaker bodies 101,
Referring to fig. 1, 2 and 4, connecting blocks 2 are symmetrically and fixedly connected to the current transformer 102, connecting holes 201 are respectively formed in the connecting blocks 2, one ends of the movable contact blades 3 are hinged between the connecting blocks 2 through hinging bolts 4, mounting holes 301 are formed in one ends of the movable contact blades 3, the hinging bolts 4 are respectively clamped in the connecting holes 201 and the mounting holes 301, one ends of fixing rods 5 are fixedly connected to two sides of the movable contact blades 3 located in the middle respectively, the other ends of the fixing rods 5 are fixedly connected to one sides of the other two movable contact blades 3 respectively, when parts of a knife switch are required to be replaced, the movable contact blades 3 can be integrally detached through insulating handles 302 after the hinging bolts 4 are detached, so that other parts of the knife switch are convenient to overhaul, and timely replacement is facilitated;
referring to fig. 1 and 2, a circuit breaker housing 1 is fixedly connected to one end of the top surface of a mounting base plate 6, three knife switch connecting posts 7 are mounted at the other end of the top surface of the mounting base plate 6, the top surfaces of the knife switch connecting posts 7 are respectively fixedly connected with one end of the bottom surface of a head seat 8, the top surfaces of the head seats 8 are respectively fixedly connected with a fixed contact 801, and the top surfaces of the fixed contacts 801 are contacted with a touch knife 3;
Referring to fig. 2, the top surfaces of the movable contact blades 3 are fixedly connected with insulating handles 302, respectively, so as to facilitate moving the movable contact blades 3.
Referring to fig. 1 and 2, a contact seat 8 in the middle is fixedly connected with one end of a moving component 9, the other end of the moving component 9 is respectively contacted with a touch contact blade 3, the top surface of the contact seat 8 is respectively provided with a sliding groove 802, and the moving component 9 is respectively clamped in the sliding grooves 802;
Referring to fig. 1, the bottom surface of the mounting base plate 6 is symmetrically and fixedly connected with a fixing frame 10, and fixing holes 1001 are symmetrically arranged on the fixing frame 10 respectively.
Example 2
Please refer to fig. 1 and 3, which illustrate a second embodiment of the present utility model, which is based on the previous embodiment;
Specifically, the moving assembly 9 includes three limiting blocks 91, one side of each limiting block 91 is provided with a limiting groove 92, the inner top surface of each limiting groove 92 is respectively contacted with the touch knife 3, the bottom surface of each limiting block 91 is respectively contacted with the top surface of the touch knife seat 8, two ends of each limiting block 91 positioned in the middle are respectively fixedly connected with one end of a connecting rod 93, the other end of each connecting rod 93 is respectively fixedly connected with two other limiting blocks 91, the bottom surfaces of the limiting blocks 91 are respectively fixedly connected with a sliding block 94, the sliding blocks 94 are respectively clamped in the sliding grooves 802, the other side of each limiting block 91 positioned in the middle is rotationally connected with one end of a moving rod 95, the other end of the moving rod 95 is clamped in an adjusting hole 97 formed in an adjusting block 96, the bottom surface of the adjusting block 96 is fixedly contacted with the top surface of the touch knife seat 8, threaded structures are respectively arranged on the outer wall of the moving rod 95 and the inner wall of the adjusting hole 97 and are mutually clamped, and the other end of the moving rod 95 is fixedly connected with a rotating block 98.
Further, the limiting block 91 and the rotating block 98 are made of insulating materials respectively, so that the use safety of the equipment is enhanced.
Further, the width of the limiting groove 92 is larger than the diameter of the fixed contact 801, and the width of the limiting groove 92 is equal to the width of the movable contact knife 3.
Further, the length and thickness of the slider 94 are equal to the width and depth of the sliding channel 802, respectively.
Example 3
Referring to fig. 1 to 4, a third embodiment of the present utility model is based on the above two embodiments;
When the movable contact knife 3 is used, the movable contact knife 3 is limited and fixed through the limiting groove 92 on the limiting block 91 in the moving assembly 9, so that the movable contact knife 3 is prevented from moving, when a circuit is required to be disconnected, the moving rod 95 can drive one limiting block 91 to move through the rotating block 98, the rest limiting block 91 is simultaneously driven to move through the connecting rod 93, the movable contact knife 3 is separated from the limiting groove 92, then the movable contact knife 3 is lifted up through the insulating handle 302, the circuit can be disconnected, the limiting block 91 can be returned to the original position through the rotating block 98, the fixed contact 801 is prevented from being contacted with the movable contact knife 3, the safety of equipment is improved, when the parts of the knife switch are required to be replaced, the movable contact knife 3 can be detached integrally through the insulating handle 302 after the hinged bolt 4 is detached, the other parts of the knife switch are convenient to overhaul, the damaged knife switch parts can be replaced in time, and the equipment is convenient to replace the damaged knife switch parts rapidly, and the efficiency is high.
Although embodiments of the present utility model 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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high tension switch circuit breaker of convenient change switch, includes circuit breaker casing (1), three circuit breaker body (101) are installed to circuit breaker casing (1) top surface, and is three be equipped with current transformer (102) on circuit breaker body (101) respectively, its characterized in that:
Connecting blocks (2) are symmetrically and fixedly connected to the current transformer (102) respectively, connecting holes (201) are formed in the connecting blocks (2) respectively, one ends of movable contact blades (3) are hinged between the connecting blocks (2) through hinge bolts (4) respectively, mounting holes (301) are formed in one ends of the movable contact blades (3), the hinge bolts (4) are clamped in the connecting holes (201) and the mounting holes (301) respectively, two sides of the movable contact blades (3) located in the middle are fixedly connected with one ends of fixing rods (5) respectively, and the other ends of the fixing rods (5) are fixedly connected with one sides of the other two movable contact blades (3) respectively;
The circuit breaker shell (1) is fixedly connected to one end of the top surface of the mounting base plate (6), three knife switch connecting columns (7) are arranged at the other end of the top surface of the mounting base plate (6), the top surfaces of the knife switch connecting columns (7) are fixedly connected with one end of the bottom surface of the head seat (8) respectively, the top surfaces of the contact seats (8) are fixedly connected with static contacts (801) respectively, and the top surfaces of the static contacts (801) are contacted with the touch contact knife (3);
The contact seat (8) positioned in the middle is fixedly connected with one end of the moving assembly (9), the other end of the moving assembly (9) is respectively contacted with the touch contact knife (3), the top surface of the contact seat (8) is respectively provided with a sliding groove (802), and the sliding grooves (802) are respectively clamped with the moving assembly (9);
The bottom surface of the mounting bottom plate (6) is symmetrically and fixedly connected with a fixing frame (10), and fixing holes (1001) are symmetrically formed in the fixing frame (10) respectively.
2. The high voltage switch breaker of claim 1, wherein the knife switch is easily replaced, and wherein: the top surfaces of the movable contact blades (3) are fixedly connected with insulating handles (302) respectively.
3. The high voltage switch breaker of claim 1, wherein the knife switch is easily replaced, and wherein: the utility model provides a movable assembly (9) is including three stopper (91), stopper (91) one side is equipped with spacing groove (92) respectively, the contact sword (3) are touched respectively to the interior top surface of spacing groove (92), stopper (91) bottom surface contact seat (8) top surface respectively, is located the middle part stopper (91) both ends rigid coupling connecting rod (93) one end respectively, connecting rod (93) other end rigid coupling two other stopper (91) respectively, stopper (91) bottom surface rigid coupling slider (94) respectively, slider (94) joint respectively in sliding tray (802), be located the middle part stopper (91) opposite side rotates and connects movable rod (95) one end, in adjusting hole (97) that are equipped with on adjusting block (96) another end joint of movable rod (95), adjusting block (96) bottom surface contact seat (8) top surface admittedly, be equipped with helicitic texture and block each other on movable rod (95) outer wall and the inner wall of adjusting hole (97) respectively, movable rod (95) other end rigid coupling rotating block (98).
4. A high voltage switch circuit breaker for facilitating replacement of a knife switch as claimed in claim 3 wherein: the limiting block (91) and the rotating block (98) are made of insulating materials respectively.
5. A high voltage switch circuit breaker for facilitating replacement of a knife switch as claimed in claim 3 wherein: the width of the limiting groove (92) is larger than the diameter of the fixed contact (801), and the width of the limiting groove (92) is equal to the width of the movable contact knife (3).
6. A high voltage switch circuit breaker for facilitating replacement of a knife switch as claimed in claim 3 wherein: the length and thickness of the slider (94) are equal to the width and depth of the sliding groove (802), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322723021.3U CN221486378U (en) | 2023-10-11 | 2023-10-11 | High-voltage switch breaker convenient for replacing disconnecting link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322723021.3U CN221486378U (en) | 2023-10-11 | 2023-10-11 | High-voltage switch breaker convenient for replacing disconnecting link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221486378U true CN221486378U (en) | 2024-08-06 |
Family
ID=92350907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322723021.3U Active CN221486378U (en) | 2023-10-11 | 2023-10-11 | High-voltage switch breaker convenient for replacing disconnecting link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221486378U (en) |
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2023
- 2023-10-11 CN CN202322723021.3U patent/CN221486378U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high-voltage switch circuit breaker that facilitates the replacement of knife switches Granted publication date: 20240806 Pledgee: Jiangsu Nantong Rural Commercial Bank Co.,Ltd. high tech Zone sub branch Pledgor: Nantong Jinhao Machinery Technology Co.,Ltd. Registration number: Y2024980039356 |