CN215342402U - Mechanical program knife switch lock of high-voltage switch equipment - Google Patents
Mechanical program knife switch lock of high-voltage switch equipment Download PDFInfo
- Publication number
- CN215342402U CN215342402U CN202121338324.8U CN202121338324U CN215342402U CN 215342402 U CN215342402 U CN 215342402U CN 202121338324 U CN202121338324 U CN 202121338324U CN 215342402 U CN215342402 U CN 215342402U
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- hole
- fixedly connected
- wall
- front side
- rectangular
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- 230000003068 static effect Effects 0.000 claims abstract description 3
- 230000002146 bilateral effect Effects 0.000 claims abstract 2
- 230000007246 mechanism Effects 0.000 claims description 16
- 239000004698 Polyethylene Substances 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 description 8
- 229910052573 porcelain Inorganic materials 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of high-voltage switch equipment, and discloses a mechanical program knife switch lock of the high-voltage switch equipment, which comprises a shell, wherein a fixed plate is fixedly connected to the inner wall of the rear side of the shell, vertical knife switches are hinged to the front side wall of the fixed plate in a bilateral symmetry manner, a first strip-shaped hole matched with the two knife switches is formed in the front side wall of the shell, the upper ends of the two knife switches penetrate through the strip-shaped hole and are fixedly connected with a shifting lever together, a static contact is fixedly connected to the upper side of the front side wall of the fixed plate, a fixed block is fixedly connected to the lower side of the front side wall of the fixed plate, a rectangular hole is formed in the position corresponding to the left side wall of the fixed block and the knife switches, clamping blocks are connected to the left side and the right side of the inside of the rectangular hole in a sliding manner, and second strip-shaped holes are symmetrically formed in the front side walls of the two clamping blocks. The utility model can prevent the accidental closing of the knife switch when the installation, maintenance and maintenance personnel work, thereby ensuring the personal safety and reducing the property loss.
Description
Technical Field
The utility model relates to the technical field of high-voltage switch equipment, in particular to a mechanical program knife switch lock of the high-voltage switch equipment.
Background
The knife switch is one kind of manual switch for power equipment, and is used in low voltage power equipment and is divided into single-phase knife switch and three-phase knife switch. Various specifications exist according to different applications, generally, voltage and current are marked, such as 220V, 16A, which means that the voltage is suitable for 220V, and the current does not exceed 16 amperes. Generally, the fuse box comprises a porcelain base, a plastic cover and a copper piece, wherein the upper part of the porcelain base is a wire inlet, the lower part of the porcelain base is a wire outlet, and a fuse mounting part is designed in the middle of the porcelain base.
The existing high-voltage switch equipment needs to be disconnected with a power switch when equipment is overhauled, installed and maintained, and when installation, overhaul and maintenance personnel work, the power supply of the closed switch is absolutely not allowed, and if someone transmits power at the moment, the personnel injury and property loss can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that in the prior art, the accidental closing of a knife switch cannot be guaranteed when installation, maintenance and maintenance personnel work, and provides a mechanical program knife switch lock of high-voltage switch equipment.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a mechanical program knife switch lock of high-voltage switch equipment comprises a shell, wherein a fixed plate is fixedly connected to the inner wall of the rear side of the shell, vertical knife switches are symmetrically hinged to the left and right of the front side wall of the fixed plate, a first strip-shaped hole matched with the two knife switches is formed in the front side wall of the shell, the upper ends of the two knife switches penetrate through the strip-shaped holes and are fixedly connected with a driving lever together, a static contact is fixedly connected to the upper side of the front side wall of the fixed plate, a fixed block is fixedly connected to the lower side of the front side wall of the fixed plate, a rectangular hole is formed in the position, corresponding to the position of the left side wall of the fixed block and the knife switches, clamping blocks are connected to the left side and the right side of the inside of the rectangular hole in a sliding mode, a second strip-shaped hole is symmetrically formed in the front side wall of each clamping block, clamping holes matched with the clamping blocks are formed in the side walls of the two knife switches, and a pulling mechanism is fixedly arranged between the two clamping blocks, and the insides of the two second strip-shaped holes are fixedly provided with abutting mechanisms.
Preferably, the pulling mechanism includes dwang and two stay cords, the dwang vertically sets up in the inside center department of rectangular hole, and the rear end of dwang passes through antifriction bearing and the pore wall rotation of rectangular hole is connected, the front side outer wall of casing seted up with dwang matched with round hole, the front end of dwang runs through the pore wall of rectangular hole and extends to the inside of round hole, two the one end of stay cord is located the inside fixedly connected with of department of rectangular hole with the left and right sides pole wall of dwang respectively, and the other end of two stay cords respectively with two fixture block fixed connection.
Preferably, support tight mechanism and include dead lever and spring, dead lever longitudinal sliding sets up the inside in second bar hole and is close to one side department of dwang, and both ends all extend to the outside in second bar hole and with the pore wall fixed connection in rectangular hole around the dead lever, two the both ends of spring are kept away from a lateral pole wall of dwang and the pore wall fixed connection in bar hole with the dead lever respectively.
Preferably, inclined planes are formed in the front sides of the two clamping blocks at the ends of the fixing blocks.
Preferably, the rectangular channel has been seted up to the front end of dwang, the inside sliding connection of rectangular channel has the rectangular block, the front end of rectangular block extends to the outside and the fixedly connected with key of rectangular channel.
Preferably, the rotating rod is made of polyethylene.
Compared with the prior art, the utility model provides a mechanical program knife switch lock of high-voltage switch equipment, which has the following beneficial effects:
this high tension switchgear mechanical program knife switch lock through the fixture block that is equipped with, support tight mechanism, pulling mechanism, dwang, rectangular block and key, can prevent that installation, maintenance, maintainer from at the during operation, and the unexpected closure of plug-in strip has guaranteed the personal safety and has reduced loss of property.
The parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the utility model can prevent the accidental closing of the knife switch when installation, maintenance and maintenance personnel work, thereby ensuring the personal safety and reducing the property loss.
Drawings
Fig. 1 is a schematic structural diagram of a mechanical program knife switch lock of a high-voltage switchgear according to the present invention;
FIG. 2 is a side view of a mechanical program blade lock for a high voltage switchgear according to the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 1;
fig. 4 is an enlarged view of a portion B in fig. 2.
In the figure: the device comprises a fixed contact 1, a deflector rod 2, a knife switch 3, a fixing plate 4, a shell 5, a clamping block 6, a key 7, a fixing block 8, a pull rope 9, a rotating rod 10, a fixing rod 11, a spring 12 and a rectangular block 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In example 6, as shown in fig. 4, the rotating shaft 10 is made of polyethylene in addition to example 2, and the polyethylene has a good insulating property.
According to the utility model, the switch blade 3 is rotated 180 degrees after being opened, the switch blade 3 pushes the clamping block 6 to extrude the spring 12 through the inclined plane, when the clamping block 6 corresponds to the position of the clamping hole, the clamping block 6 is clamped into the clamping hole, only the rectangular block 13 can be inserted into the rectangular groove by using the key 7 when unlocking is required, the key 7 is rotated, the key 7 drives the rotating rod 10 to rotate, the rotating rod 10 drives the two clamping blocks 6 to extrude the spring 12 through the two pull ropes 9, and when the two clamping blocks 6 are not clamped with the clamping hole any more, the shift lever 2 can be pulled and the switch blade 3 can be driven to be closed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A mechanical program knife switch lock of a high-voltage switch device comprises a shell (5) and is characterized in that a fixed plate (4) is fixedly connected to the inner wall of the rear side of the shell (5), vertical knife switches (3) are hinged to the front side wall of the fixed plate (4) in a bilateral symmetry mode, a first strip-shaped hole matched with the two knife switches (3) is formed in the front side wall of the shell (5), the upper ends of the two knife switches (3) penetrate through the strip-shaped hole and are fixedly connected with a shifting rod (2) together, a static contact (1) is fixedly connected to the upper side of the front side wall of the fixed plate (4), a fixed block (8) is fixedly connected to the lower side of the front side wall of the fixed plate (4), a rectangular hole is formed in the position, corresponding to the knife switches (3), fixture blocks (6) are connected to the left side wall and the right side of the inside of the rectangular hole in a sliding mode, and second strip-shaped holes are symmetrically formed in the front side walls of the two fixture blocks (6), two the lateral wall of plug-in strip (3) all seted up with fixture block (6) matched with card hole, two fixed pulling mechanism that is equipped with between fixture block (6), and the inside in two second bar holes is all fixed to be equipped with and supports tight mechanism.
2. The mechanical program knife switch lock of the high-voltage switch equipment according to claim 1, characterized in that, the pulling mechanism comprises a rotating rod (10) and two pull ropes (9), the rotating rod (10) is longitudinally arranged at the inner center of the rectangular hole, the rear end of the rotating rod (10) is rotationally connected with the hole wall of the rectangular hole through a rolling bearing, the front side outer wall of the shell (5) is provided with a round hole matched with the rotating rod (10), the front end of the rotating rod (10) penetrates through the hole wall of the rectangular hole and extends to the inside of the round hole, two one end of each pull rope (9) is fixedly connected with the inner part of the rectangular hole through the rod walls at the left side and the right side of the rotating rod (10), and the other ends of the two pull ropes (9) are fixedly connected with the two fixture blocks (6) respectively.
3. The mechanical program knife switch lock of the high-voltage switch equipment according to claim 1, wherein the tightening mechanism comprises a fixing rod (11) and a spring (12), the fixing rod (11) is longitudinally slidably disposed inside the second bar-shaped hole at a side close to the rotating rod (10), the front end and the rear end of the fixing rod (11) both extend to the outside of the second bar-shaped hole and are fixedly connected with the hole wall of the rectangular hole, and two ends of the spring (12) are respectively fixedly connected with the fixing rod (11) at a side rod wall far away from the rotating rod (10) and the hole wall of the bar-shaped hole.
4. The mechanical program knife switch lock of the high-voltage switch gear according to claim 1, characterized in that the two blocks (6) are provided with an inclined surface at the front side of one end of the fixed block (8).
5. The mechanical program knife switch lock of the high-voltage switch gear according to claim 2, characterized in that the front end of the rotating rod (10) is provided with a rectangular groove, the inside of the rectangular groove is slidably connected with a rectangular block (13), and the front end of the rectangular block (13) extends to the outside of the rectangular groove and is fixedly connected with a key (7).
6. The mechanical program knife switch lock of high-voltage switchgear according to claim 2, characterized in that the rotating lever (10) is made of polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121338324.8U CN215342402U (en) | 2021-06-16 | 2021-06-16 | Mechanical program knife switch lock of high-voltage switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121338324.8U CN215342402U (en) | 2021-06-16 | 2021-06-16 | Mechanical program knife switch lock of high-voltage switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215342402U true CN215342402U (en) | 2021-12-28 |
Family
ID=79558334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121338324.8U Expired - Fee Related CN215342402U (en) | 2021-06-16 | 2021-06-16 | Mechanical program knife switch lock of high-voltage switch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215342402U (en) |
-
2021
- 2021-06-16 CN CN202121338324.8U patent/CN215342402U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |