CN112397322A - Quick switching device of power supply electric cabinet contact - Google Patents
Quick switching device of power supply electric cabinet contact Download PDFInfo
- Publication number
- CN112397322A CN112397322A CN202011200398.5A CN202011200398A CN112397322A CN 112397322 A CN112397322 A CN 112397322A CN 202011200398 A CN202011200398 A CN 202011200398A CN 112397322 A CN112397322 A CN 112397322A
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- CN
- China
- Prior art keywords
- shaft
- fixedly connected
- clamping
- screw
- contacts
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a quick switching device for contacts of a power supply electric cabinet, which comprises an electric box, wherein the upper side and the lower side inside the electric box are respectively and rotatably connected with a first screw rod and a second screw rod, the first screw rod and the second screw rod are respectively and fixedly connected with the output ends of two motors, a plurality of groups of lower helical gears capable of being meshed and connected with the second screw rods are rotatably connected inside the electric box on the upper side of the second screw rod, the upper surface of each lower helical gear is fixedly connected with an outer sleeve shaft, the inside of each outer sleeve shaft is elastically clamped and connected with a second clamping shaft, the top end of each second clamping shaft is clamped and sleeved with a connecting shaft sleeve, and the top end of each connecting shaft sleeve is clamped and sleeved with a first clamping shaft. The invention can switch a single contact and also can switch a single group of contacts, when the single contact is switched, a plurality of contacts can be switched independently at the same time, when the single group is switched, a plurality of groups of contacts can be switched simultaneously, and the switching efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a rapid switching device for a contact of an electric power cabinet.
Background
The contact is one of the key parts of the switching electric appliance, is widely used particularly in a power supply electric cabinet, and can be switched into different closed circuits when being contacted with different contacts.
Traditional power supply electric cabinet contact needs manual alone to switch over, and the operation is inconvenient.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a rapid switching device for contacts of a power supply cabinet.
(II) technical scheme
The invention provides a rapid switching device for contacts of a power supply electric cabinet, which comprises an electric box, wherein the upper side and the lower side in the electric box are respectively and rotatably connected with a first screw rod and a second screw rod, the first screw rod and the second screw rod are fixedly connected with output ends of two motors respectively, the upside of the inside of the electric box, which is located at the second screw rod, is rotatably connected with a plurality of groups of lower helical gears which can be meshed with the second screw rod, each lower helical gear is fixedly connected with an outer sleeve shaft on the upper surface of the lower helical gear, each outer sleeve shaft is fixedly connected with a second clamp shaft in an inner elastic clamping manner, each connecting shaft sleeve is sleeved on the top end of the second clamp shaft in an equal clamping manner, each connecting shaft sleeve is sleeved on the top end in an equal clamping manner, each first clamp shaft is sleeved on the top end of the first clamp shaft in an equal fixedly connected contact seat, and each contact seat is symmetrically and fixedly connected with a pair of contacts on the upper surface.
Preferably, the inside of the electric box is located between two connecting shaft sleeves of each group and is rotatably connected with a vertical rod through a bearing, and the top end of each vertical rod is fixedly connected with an upper helical gear capable of being meshed and connected with the first screw rod.
Preferably, the bottom fixedly connected with of montant links up the pillar piece, the both ends fixedly connected with threaded sleeve who links up the pillar piece, threaded sleeve's inside spiral cover has connect the screw thread post, the one end fixedly connected with connecting rod of screw thread post, the one end fixedly connected with rubber plunger of connecting rod, the even axle sleeve is close to the outer fixed surface of rubber plunger and is connected with the column casing, just the one end of rubber plunger cup joints with the inside block of column casing.
Preferably, a spring is arranged inside the outer sleeve shaft, the top end of the spring is fixedly connected with the bottom of the second clamping shaft, and the bottom end of the spring is fixedly connected with the inner wall of the outer sleeve shaft.
Preferably, the front surface of the second clamping shaft is fixedly connected with a shifting shaft, and the front surface of the outer sleeve shaft is provided with a preformed groove for the shifting shaft to move up and down.
Preferably, the outer surfaces of the second clamping shaft and the first clamping shaft are fixedly connected with rectangular clamping blocks, and rectangular clamping grooves matched with the rectangular clamping blocks are formed in the upper inner wall and the lower inner wall of the connecting shaft sleeve.
Compared with the prior art, the invention has the beneficial effects that: the invention can switch a single contact and also can switch a single group of contacts, when the single contact is switched, a plurality of contacts can be switched independently at the same time, when the single group is switched, a plurality of groups of contacts can be switched simultaneously, thereby greatly improving the switching efficiency; through the meshed connection design of the lower helical gear and the second screw rod, the contact seats can be driven to rotate at the same time, so that the two contacts on the contact seats are switched between positions; through the meshing connection design of the first screw and the upper helical gear, the two contact seats in each group can be driven to revolve by taking the vertical rod as a rotation axis, so that the positions of the contacts on the two contact seats in each group are switched.
Drawings
Fig. 1 is a schematic front view of a fast switching apparatus for contacts of an electrical power cabinet according to the present invention;
FIG. 2 is a cross-sectional view of a single contact in the present invention in a switched state;
fig. 3 is a cross-sectional view of a single set of contacts in the present invention in a switched state.
In the figure: 1 electric box, 2 first screw rods, 3 second screw rods, 4 lower bevel gears, 5 outer sleeve shafts, 6 connecting shaft sleeves, 7 first clamping shafts, 8 contact seats, 9 contacts, 10 connecting column blocks, 11 threaded sleeves, 12 connecting rods, 13 rubber plungers, 14 column barrels, 15 vertical rods, 16 upper bevel gears, 17 threaded columns, 18 springs, 19 second clamping shafts and 20 shifting shafts.
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.
As shown in fig. 1-3, the device for quickly switching contacts of an electrical power cabinet provided by the present invention includes an electrical box 1, wherein upper and lower sides of an interior of the electrical box 1 are respectively and rotatably connected with a first screw 2 and a second screw 3, the first screw 2 and the second screw 3 are respectively and fixedly connected with output ends of two motors, a plurality of sets of lower helical gears 4 capable of being engaged with the second screw 3 are rotatably connected to an interior of the electrical box 1 at an upper side of the second screw 3, an outer sleeve shaft 5 is fixedly connected to an upper surface of each lower helical gear 4, a second clamp shaft 19 is elastically and snap-connected to an interior of each outer sleeve shaft 5, a coupling sleeve 6 is snap-connected to a top end of each second clamp shaft 19, a first clamp shaft 7 is snap-connected to a top end of each coupling sleeve 6, a contact base 8 is fixedly connected to a top end of each first clamp shaft 7, and a pair of contacts 9 is symmetrically and fixedly connected to an upper surface of each contact base 8.
In an alternative embodiment, a vertical rod 15 is rotatably connected to the inside of the electrical box 1 between each two coupling sleeves 6 through a bearing, and an upper bevel gear 16 capable of being engaged with the first screw rod 2 is fixedly connected to the top end of each vertical rod 15.
In an optional embodiment, the bottom end of the vertical rod 15 is fixedly connected with an engaging column block 10, two ends of the engaging column block 10 are fixedly connected with a threaded sleeve 11, a threaded column 17 is spirally sleeved inside the threaded sleeve 11, one end of the threaded column 17 is fixedly connected with a connecting rod 12, one end of the connecting rod 12 is fixedly connected with a rubber plunger 13, the connecting shaft sleeve 6 is close to the outer surface of the rubber plunger 13 and is fixedly connected with a column barrel 14, and one end of the rubber plunger 13 is sleeved with the inner clamping of the column barrel 14.
In an alternative embodiment, a spring 18 is arranged inside the outer sleeve shaft 5, the top end of the spring 18 is fixedly connected with the bottom of the second clamping shaft 19, and the bottom end of the spring 18 is fixedly connected with the inner wall of the outer sleeve shaft 5.
In an alternative embodiment, a dial shaft 20 is fixedly connected to the front surface of the second shaft 19, and a pre-groove for allowing the dial shaft 20 to move up and down is formed in the front surface of the outer sleeve 5.
In an optional embodiment, rectangular clamping blocks are fixedly connected to the outer surfaces of the second clamping shaft 19 and the first clamping shaft 7, and rectangular clamping grooves matched with the rectangular clamping blocks are formed in the upper inner wall and the lower inner wall of the coupling sleeve 6.
The working principle is as follows: in the embodiment, not only a single contact 9 can be switched, but also a single group of contacts 9 can be switched, when the single contact is switched, a plurality of contacts 9 can be switched independently at the same time, when the single group is switched, a plurality of groups of contacts 9 can be switched simultaneously, and the switching efficiency is greatly improved; specifically, during single switching, as shown in fig. 2, the rubber plunger 13 is separated from the column casing 14, the second clamping shaft 19 is clamped in the coupling shaft sleeve 6, the external first motor drives the second screw 3 to rotate, the second screw 3 drives the lower helical gear 4 to horizontally rotate, and the lower helical gear 4 drives the contact base 8 and the two contacts 9 on the contact base 8 to switch positions with each other through the clamping and sleeving of the outer sleeve shaft 5, the second clamping shaft 19, the coupling shaft sleeve 6 and the first clamping shaft 7; when single group switching is performed, as shown in fig. 3, the rubber plunger 13 is clamped in the column casing 14, the second clamping shaft 19 is separated from the coupling sleeve 6, the external second motor drives the first screw rod 2 to rotate, the first screw rod 2 drives the upper helical gear 16 to rotate, the upper helical gear 16 drives the connecting column block 10 to rotate through the vertical rod 15, and the connecting column block 10 drives the two coupling sleeves 6 of each group to rotate through the connection of the threaded sleeve 11, the threaded column 17, the connecting rod 12, the rubber plunger 13 and the column casing 14, so as to drive the two contact seats 8 to rotate, and further drive the position switching of the two groups of four contacts 9.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
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 the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A power supply electric cabinet contact fast switching device comprises an electric box (1) and is characterized in that the upper side and the lower side in the electric box (1) are respectively and rotatably connected with a first screw (2) and a second screw (3), the first screw (2) and the second screw (3) are respectively and fixedly connected with the output ends of two motors, the upper side of the second screw (3) in the electric box (1) is rotatably connected with a plurality of groups of lower bevel gears (4) capable of being meshed with the second screw (3), the upper surface of each lower bevel gear (4) is respectively and fixedly connected with an outer sleeve shaft (5), the inner part of each outer sleeve shaft (5) is respectively and elastically clamped and connected with a second clamping shaft (19), the top end of each second clamping shaft (19) is respectively and fixedly sleeved with a connecting shaft sleeve (6), and the top end of each connecting shaft sleeve (6) is respectively and fixedly sleeved with a first clamping shaft (7), the top end of each first clamping shaft (7) is fixedly connected with a contact seat (8), and the upper surface of each contact seat (8) is symmetrically and fixedly connected with a pair of contacts (9).
2. A device for rapidly switching contacts of an electric power cabinet according to claim 1, wherein a vertical rod (15) is rotatably connected between each two sets of coupling sleeves (6) inside the electric box (1) through a bearing, and an upper helical gear (16) capable of being engaged with the first screw (2) is fixedly connected to the top end of each vertical rod (15).
3. The quick switching device of a power supply electric cabinet contact according to claim 2, characterized in that the bottom end of the vertical rod (15) is fixedly connected with a linking column block (10), both ends of the linking column block (10) are fixedly connected with threaded sleeves (11), a threaded column (17) is spirally sleeved inside the threaded sleeves (11), one end of the threaded column (17) is fixedly connected with a connecting rod (12), one end of the connecting rod (12) is fixedly connected with a rubber plunger (13), the linking shaft sleeve (6) is close to the outer surface of the rubber plunger (13) and is fixedly connected with a column barrel (14), and one end of the rubber plunger (13) is sleeved with the inner clamping of the column barrel (14).
4. A contact fast switching device of an electric power cabinet according to claim 1, characterized in that a spring (18) is arranged inside the outer sleeve shaft (5), the top end of the spring (18) is fixedly connected with the bottom of the second clamping shaft (19), and the bottom end of the spring (18) is fixedly connected with the inner wall of the outer sleeve shaft (5).
5. The device for rapidly switching the contacts of the power supply cabinet according to claim 1, wherein a shifting shaft (20) is fixedly connected to the front surface of the second clamping shaft (19), and a pre-groove for the shifting shaft (20) to move up and down is formed in the front surface of the outer sleeve shaft (5).
6. The device for rapidly switching the contacts of the power supply cabinet according to claim 1, wherein rectangular clamping blocks are fixedly connected to the outer surfaces of the second clamping shaft (19) and the first clamping shaft (7), and rectangular clamping grooves matched with the rectangular clamping blocks are formed in the upper inner wall and the lower inner wall of the coupling sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011200398.5A CN112397322A (en) | 2020-11-02 | 2020-11-02 | Quick switching device of power supply electric cabinet contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011200398.5A CN112397322A (en) | 2020-11-02 | 2020-11-02 | Quick switching device of power supply electric cabinet contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112397322A true CN112397322A (en) | 2021-02-23 |
Family
ID=74597845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011200398.5A Pending CN112397322A (en) | 2020-11-02 | 2020-11-02 | Quick switching device of power supply electric cabinet contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112397322A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116852350A (en) * | 2023-06-09 | 2023-10-10 | 中煤陕西榆林能源化工有限公司 | Control method and device for switching operation, storage medium and electronic equipment |
-
2020
- 2020-11-02 CN CN202011200398.5A patent/CN112397322A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116852350A (en) * | 2023-06-09 | 2023-10-10 | 中煤陕西榆林能源化工有限公司 | Control method and device for switching operation, storage medium and electronic equipment |
| CN116852350B (en) * | 2023-06-09 | 2024-02-13 | 中煤陕西榆林能源化工有限公司 | Control method and control device for switching operation |
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