CN216530194U - 10kV middle-arranged switch cabinet bus is with testing electric ground connection integration handcart - Google Patents
10kV middle-arranged switch cabinet bus is with testing electric ground connection integration handcart Download PDFInfo
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- CN216530194U CN216530194U CN202123158914.5U CN202123158914U CN216530194U CN 216530194 U CN216530194 U CN 216530194U CN 202123158914 U CN202123158914 U CN 202123158914U CN 216530194 U CN216530194 U CN 216530194U
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Abstract
The utility model relates to the technical field of electric power device overhaul equipment, in particular to a 10kV middle-mounted switch cabinet bus electricity testing and grounding integrated handcart, which comprises a handcart, a frame and a base, wherein a plum blossom contact, a contact arm, a sensor, a buzzer, a grounding static contact, a grounding knife grounding moving contact and a grounding knife switch control structure are mounted on the frame, a primary valve push plate is mounted on the base, a latching electromagnet, an electricity testing lock and a five-prevention lock for controlling the operation of a grounding device are mounted on a secondary circuit of the handcart, a control panel is arranged on the back of the frame, a lighting lamp is mounted on the base, three convex reflectors are arranged near the lighting lamp, an observation hole is formed in the control panel, and the grounding knife switch control structure comprises a manual switching-on/off control structure and an electric switching-off control structure. The utility model is convenient to observe the switching-on condition, directly detects the voltage of the bus, can manually and electrically operate the on-off grounding disconnecting link, improves the on-site maintenance operation efficiency, ensures the safety of maintenance testing personnel and improves the power supply reliability.
Description
Technical Field
The utility model relates to the technical field of electric power device overhaul equipment, in particular to an electricity testing and grounding integrated handcart for a 10kV middle-mounted switch cabinet bus.
Background
With the continuous development of power grid technology, 10kV voltage class equipment adopts a large number of centrally-mounted armored movable indoor switch cabinets which are compact in structure, small in occupied area, high in explosion-proof class, safe in operation and perfect in anti-misoperation locking function. However, because the switch cabinet is a totally-enclosed device, the wiring is not intuitive, and great difficulty is brought to electricity testing and grounding work when the on-site enclosed bus is in power failure and maintenance. The current on-site common mode is to use the electricity testing trolley to test electricity, pull out the electricity testing trolley after testing that no voltage exists, and then push in the grounding trolley to ground the bus.
The utility model discloses utility model with the license number of CN206546789U provides a locking device closes with electricity, and the device includes: the device mainly solves the problem that whether the switch cabinet can be electrified or not during rotary maintenance. However, when the device tests electricity, the voltage of the bus is confirmed through the display of the indicator lamp of the controller, and when the closing condition is confirmed, the bus is directly observed through the observation window by naked eyes, so that the observation range is small, the observation is difficult, and the observation condition can deviate from the actual condition.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the electricity testing grounding handcart which can be used for conveniently observing the switching-on condition, directly detecting whether the bus voltage exists or not and manually and electrically switching on and off the grounding disconnecting link.
The utility model discloses a 10kV middle-mounted switch cabinet bus electricity testing and grounding integrated handcart which comprises a handcart body, a handcart frame and a base, wherein a plum-blossom-shaped contact, a contact arm, a sensor, a buzzer, a grounding static contact, a grounding knife grounding moving contact and a grounding knife switch control structure are mounted on the handcart frame, a primary valve push plate is mounted on the base, a secondary circuit of the handcart body is provided with a locking electromagnet, an electricity testing lock and a five-prevention lock for controlling the operation of a grounding device, a control panel is arranged on the back surface of the handcart frame, a lighting lamp is mounted on the base, three convex reflectors are arranged near the lighting lamp, an observation hole is formed in the control panel, and the grounding knife switch control structure comprises a manual opening and closing control structure and an electric opening and closing control structure.
Further, the set up position of observation hole, three the mounted position of protruding mirror ground connection moving contact closing position cooperatees, the light is used for the illumination handcart inner structure, protruding mirror is used for the reflection ground connection moving contact closing condition, the observation hole is used for looking over the image of protruding mirror reflection to confirm closing condition.
Furthermore, the electric switching-on and switching-off control structure comprises a switching-off button, a switching-off indication, a switching-on button, a switching-on indication and a switching equipment electric control device which are arranged on the control panel; the manual opening and closing control structure comprises a manual opening and closing operation hole arranged on the control panel.
Furthermore, the grounding switch control structure comprises a worm arranged on the frame, a first worm wheel and a gear sleeved on the worm, a second worm wheel vertically meshed with the first worm wheel, a motor arranged on one side of the gear, three grounding switch grounding moving contacts fixed on the worm, and a grounding switch connecting rod for fixing the grounding switch grounding moving contacts.
Furthermore, an indoor high-voltage live display device is arranged on the control panel and comprises an electricity testing button, a self-checking button and a bus three-phase live indicator lamp; and an experimental position indicator lamp and a working position indicator lamp are arranged on the control panel.
Furthermore, three electricity testing holes are formed in the frame and used for enabling a high-voltage electricity tester to be inserted into the electricity testing holes to directly detect whether three phases of the bus have voltages or not.
Furthermore, high-voltage insulation protection plates are additionally arranged on the two sides and the top of the handcart.
Furthermore, the control panel is provided with emergency unlocking for unlocking and power-off when the handcart breaks down.
The ground handcart has the advantages that the illuminating lamp is arranged on the handcart base, so that an operator can clearly check the internal structure of the ground handcart through the observation hole; a plurality of convex reflectors are arranged near the illuminating lamp, so that the observation range of the observation hole for direct use is enlarged, and human eyes can directly observe whether the switch-on is in place or not through the observation hole; an electric switching-on and switching-off control structure and a manual switching-on and switching-off control structure are arranged, and the switching-on and switching-off of the grounding moving contact are electrically controlled through a handle manual or a switching-on and switching-off button, so that the grounding knife static contact is reliably contacted with the grounding knife grounding moving contact; the top of the handcart frame is provided with a plurality of electroscopic holes, and a high-voltage electroscope is used for detecting whether a bus in the electroscopic holes has voltage; the control panel is provided with an emergency unlocking device for unlocking and powering off when the handcart breaks down; through the installation high-voltage insulation protection plate, isolated handcart inner structure plays the effect of isolated arc light.
The utility model has convenient and safe operation and solves the technical problem of the inspection, electricity testing and grounding of the metal armored cabinet type bus. Through the implementation of the project, the work efficiency of on-site maintenance operation is improved, the safety of maintenance testing personnel is guaranteed, the power failure time of a user is reduced, the power supply quantity is increased, the power supply reliability is improved, and considerable economic benefits are generated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic front view of a 10kV middle-mounted switch cabinet bus-bar used electricity-testing grounding integrated handcart during opening.
Fig. 2 is a schematic front view of a 10kV middle-mounted switch cabinet bus-bar switch-on integrated handcart with electricity testing and grounding.
Fig. 3 is a schematic side view of a 10kV middle-mounted switch cabinet bus-bar used electricity-testing grounding integrated handcart during opening.
Fig. 4 is a schematic side view of a 10kV central switch cabinet bus-bar switch-on integrated handcart with electricity testing and grounding.
Fig. 5 is a schematic side view of a 10kV central switch cabinet bus-bar used electricity testing and grounding integrated handcart provided with a high-voltage insulating plate.
Fig. 6 is a schematic diagram of a control panel of an electricity testing and grounding integrated handcart for a 10kV middle-mounted switch cabinet bus.
Fig. 7 is an enlarged schematic view of a control panel part of an electricity testing and grounding integrated handcart for a 10kV central switch cabinet bus.
The attached drawings are as follows:
1-a tulip contact; 2-a contact arm; 3-a sensor; 4-a buzzer; 5-grounding static contact; 6-grounding moving contact of grounding knife; 7-one-time valve push plate; 8-a control panel; 9-lighting lamp; 10-a convex mirror; 11-a viewing aperture; 12-switchgear electric control means; 13-manual opening and closing operation hole; 14-a worm; 15-a first worm wheel; 16-worm gear two; 17-a gear; 18-a motor; 19-ground line; 20-a grounding knife switch connecting rod; 21-indoor high-voltage live display device; 22-electroscopy hole; 23-high voltage insulation protection plate; 24-emergency unlocking; 25-a tension spring; 26-secondary cable connector.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1-5, the utility model discloses a 10kV middle-mounted electricity-testing and grounding integrated handcart for a switch cabinet bus, which comprises a handcart, a frame and a base, wherein a plum-blossom contact 1, a contact arm 2, a sensor 3, a buzzer 4, a grounding static contact 5, a grounding knife grounding moving contact 6 and a grounding knife switch control structure are mounted on the frame, a primary valve push plate 7 is mounted on the base, a secondary circuit of the handcart is provided with a locking electromagnet, an electricity-testing lock and a five-prevention lock for controlling the operation of a grounding device, a control panel 8 is arranged on the back of the frame, an illuminating lamp 9 is mounted on the base, three convex reflectors 10 are arranged near the illuminating lamp 9, an observation hole 11 is formed in the control panel 8, and the grounding knife switch control structure comprises a manual switching-on and switching-off control structure and an electric switching-on and switching-off control structure.
The utility model discloses a handcart structure, including observation hole 11, convex reflector 10, light 9, observation hole 11 is used for looking over the image of convex reflector 10 reflection to confirm the floodgate condition.
The electric switching-on and switching-off control structure comprises a switching-off button, a switching-off indication, a switching-on button, a switching-on indication and a switching equipment electric control device 12 which are arranged on the control panel 8; the manual opening and closing control structure comprises a manual opening and closing operation hole 13 arranged on the control panel 8.
The grounding knife switch control structure comprises a worm 14 arranged on the frame, a first worm wheel 15 and a gear 17 sleeved on the worm 14, a second worm wheel 16 vertically meshed with the first worm wheel 15, a motor 18 arranged on one side of the gear 17, three grounding knife grounding moving contacts 6 fixed on the worm 14, and a grounding knife switch connecting rod 20 for fixing the grounding knife grounding moving contacts 6.
An indoor high-voltage live display device 21 is arranged on the control panel 8, and the high-voltage live display device 21 comprises an electricity testing button, a self-checking button and a bus three-phase live indicator lamp; and an experimental position indicator lamp and a working position indicator lamp are arranged on the control panel 8.
The top of the frame is provided with three electroscopic holes 22 for a high-voltage electroscope to be inserted into the electroscopic holes 22 to directly detect whether three phases of the bus have voltage or not. The three electricity testing holes are used for correspondingly measuring the phase voltage A, the phase voltage B and the phase voltage C of the three-phase alternating current bus.
And high-voltage insulating protection plates 23 are additionally arranged on the two sides and the top of the handcart.
And the control panel 8 is provided with an emergency unlocking device 24 for unlocking and powering off when the handcart breaks down.
It should be noted that before the device is used, the integrity of the electroscope is checked, the secondary cable connector 26 is connected, the power supply is connected, the integrity of the electroscope is checked, and the functions of detecting the quality of the electroscope and testing the acousto-optic alarm are realized.
The utility model discloses an electricity testing and grounding integrated handcart for a 10kV central switch cabinet bus, which has the technical characteristic effects that:
a sensor 3, a live display and a buzzer 4 are arranged on the conductive loop and used for detecting whether the three-phase bus has voltage or not and giving an alarm to the live equipment through the buzzer 4 to remind an operator; the moving contact 6, the contact arm 2 and the limiting device are arranged on the trolley frame, so that the contact between the grounding moving contact 6 and the grounding static contact 5 of the grounding knife is kept flat in the operation process, and the handcart is prevented from being pushed into the contact too deeply to damage the contact; a primary valve push plate 7 is arranged on the base, so that the selective opening mode of the upper and lower isolation baffles is realized; the secondary loop of the handcart is provided with a locking electromagnet, an electrified display, an electroscopic lock and a five-prevention lock for controlling the operation of the grounding device, and the secondary loop is connected with the bus incoming line and the auxiliary contact of the bus coupler switch to the control loop thereof, so that the grounding disconnecting link is prevented from being switched on and off by mistake, and the uniqueness of the grounding point is ensured; the electricity testing device and the grounding device are forcibly locked; the grounding device and the bus incoming line switch realize electrical interlocking; the grounding moving contact 6 of the grounding knife is provided with a grounding wire 19 for realizing grounding during handcart maintenance; the handcart frame is provided with a tension spring 25 which plays a role in assisting the switching-on and switching-off operation.
According to the handcart, the LED illuminating lamp 9 is arranged on the base, so that the internal structure of the handcart is illuminated, and an operator can conveniently observe the handcart; a plurality of convex reflectors 10 are arranged near the LED illuminating lamp 9, the convex reflectors 10 and the observation holes 11 are matched, the visual field range which can be observed by naked eyes through the observation holes 11 is enlarged, and an operator can observe the grounding and switching-on conditions conveniently; an electroscope hole 22 is arranged on the upper side of the frame, and a 10kV high-voltage electroscope is inserted into the electroscope hole 22 to achieve the purpose of direct electroscopy; the on-off disconnecting link structure comprises a manual on-off switch and an electric on-off switch, a handle is inserted into a manual on-off switch operating hole 13 to achieve the effect of manually assisting in controlling the on-off grounding disconnecting link, the electric on-off switch comprises an opening button and a closing button and is used for electrically controlling the on-off grounding disconnecting link, and the electric on-off switch also comprises an opening indication and a closing indication, and the existing on-off state or the opening state is indicated through the light effect of an indicator lamp; the high-voltage live display device 21 comprises an electricity testing button and a self-checking button, wherein the self-checking button is used for checking the integrity of the high-voltage live display, and the electricity testing button is used for detecting whether the three phases of the bus are electrified or not; an experimental position indicator light and a working position indicator light are arranged on the control panel 8 and are used for reminding an operator when the handcart is at a self-checking position and reaches a working position; an emergency unlocking 24 is arranged on the control panel 8 and used for unlocking and powering off when the handcart breaks down; through installation high voltage insulation guard plate 23, isolated handcart inner structure plays the effect of isolated arc light.
The above description is only exemplary of the present invention and should not be taken as limiting the utility model, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a put formula cubical switchboard generating line in 10kV with testing electricity ground connection integration handcart, includes handcart, frame and base, install plum blossom contact, contact arm, sensor, bee calling organ, ground connection static contact, ground connection sword ground connection moving contact and ground connection switch control structure on the frame, install a valve push pedal on the base, the secondary circuit of handcart installs the shutting electro-magnet, tests five of electricity lock, control earthing device operation and prevents the lock, the frame back is provided with control panel, its characterized in that, install the light on the base near light is provided with three protruding reflector, the last observation hole of having seted up of control panel, ground connection switch control structure includes manual divide-shut brake control structure and electronic divide-shut brake control structure.
2. The 10kV middle-mounted switch cabinet bus electricity testing and grounding integrated handcart according to claim 1 is characterized in that the opening position of the observation hole, the installation positions of the three convex reflectors and the switching-on position of the grounding switch grounding moving contact are matched, the illuminating lamp is used for illuminating the inner structure of the handcart, the convex reflectors are used for reflecting the switching-on condition of the grounding switch grounding moving contact, and the observation hole is used for viewing images reflected by the convex reflectors and confirming the switching-on condition.
3. The 10kV middle-mounted switch cabinet bus electricity-testing and grounding integrated handcart according to claim 2, wherein the electric switching-on and switching-off control structure comprises a switching-off button, a switching-off indication device, a switching-on button, a switching-on indication device and a switch device electric control device which are arranged on the control panel; the manual opening and closing control structure comprises a manual opening and closing operation hole arranged on the control panel.
4. The 10kV middle-mounted switch cabinet bus-bar electricity-testing and grounding integrated handcart according to claim 3, characterized in that the grounding switch control structure comprises a worm arranged on the frame, a first worm wheel and a gear sleeved on the worm, a second worm wheel vertically meshed with the first worm wheel, a motor arranged on one side of the gear, three grounding switch grounding moving contacts fixed on the worm, and a grounding switch connecting rod for fixing the grounding switch grounding moving contacts.
5. The 10kV middle-mounted switch cabinet bus electricity testing and grounding integrated handcart according to claim 4 is characterized in that an indoor high-voltage electrified display device is arranged on the control panel, and the high-voltage electrified display device comprises an electricity testing button, a self-checking button and a bus three-phase electrified indicator lamp; and an experimental position indicator lamp and a working position indicator lamp are arranged on the control panel.
6. The 10kV middle-mounted switch cabinet bus electricity testing and grounding integrated handcart according to claim 5 is characterized in that three electricity testing holes are formed in the handcart frame, and a high-voltage electroscope is inserted into the electricity testing holes to directly detect whether three phases of the buses have voltages or not.
7. The 10kV middle-mounted switch cabinet bus electricity testing and grounding integrated handcart according to claim 6, wherein high-voltage insulation protection plates are additionally arranged on two sides and the top of the handcart.
8. The 10kV middle-mounted switch cabinet bus electricity testing and grounding integrated handcart according to claim 7, wherein an emergency unlocking hole is formed in the control panel and used for unlocking and powering off when the handcart fails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123158914.5U CN216530194U (en) | 2021-12-15 | 2021-12-15 | 10kV middle-arranged switch cabinet bus is with testing electric ground connection integration handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123158914.5U CN216530194U (en) | 2021-12-15 | 2021-12-15 | 10kV middle-arranged switch cabinet bus is with testing electric ground connection integration handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216530194U true CN216530194U (en) | 2022-05-13 |
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ID=81498157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123158914.5U Active CN216530194U (en) | 2021-12-15 | 2021-12-15 | 10kV middle-arranged switch cabinet bus is with testing electric ground connection integration handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216530194U (en) |
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2021
- 2021-12-15 CN CN202123158914.5U patent/CN216530194U/en active Active
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