CN109546567A - A kind of portable central cabinet grounding device - Google Patents
A kind of portable central cabinet grounding device Download PDFInfo
- Publication number
- CN109546567A CN109546567A CN201910009678.9A CN201910009678A CN109546567A CN 109546567 A CN109546567 A CN 109546567A CN 201910009678 A CN201910009678 A CN 201910009678A CN 109546567 A CN109546567 A CN 109546567A
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- CN
- China
- Prior art keywords
- grounding device
- claw
- helical disk
- portable central
- central cabinet
- Prior art date
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/075—Earthing arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
A kind of portable central cabinet grounding device, it include chuck body and operating stick, chuck body includes chuck seat, helical disk and three claws, three guide rails are uniformly distributed on chuck seat, rectangular spiral groove and transmission interface are provided on helical disk, cambered surface rectangular teeth is provided on claw, three claws are arranged with three guide rail slidings respectively and its cambered surface rectangular teeth is made to engage composition screw pair with the rectangular spiral groove on helical disk；Operating stick includes insulation tube and the insulating driving rod that is arranged in insulation tube, and insulating driving rod one end is provided with transmission connection-peg, and the other end is provided with rotating handle.Operating stick and chuck body grafting, make the transmission Interference fit on the transmission connection-peg and helical disk of insulating driving rod, three claws after insulating driving rod rotation drive helical disk rotation are slided along guide rail radial direction centrifugation simultaneously by rotating forward rotating handles handle, static contact inside pipe wall in the reversed stretching middle-placed switch cabinet of claw is realized by the earth lead being connected on chuck seat by equipment ground.
Description
Technical field
The present invention relates to electric system often to use security tool, and in particular to a kind of portable central cabinet grounding device.
Background technique
According to country and power industry associate power safety code regulation, staff when working on power equipment,
The all directions of possible power transmission to job site must install three-phase shortcircuit ground line, this is protection staff in job site
The reliable and secure measure sent a telegram here suddenly, while remaining charge after equipment and system disconnection are prevented, can also be drained because of ground connection.It is high
Pressing middle-placed switch cabinet is the current common electrical equipment of 10kV distribution system, since its equipment is installed in closed metal cabinet,
And the conductor position overwhelming majority for needing to install three-phase shortcircuit ground line is the tubular shape conductor perpendicular to cabinet door, just using routine
Taking formula three-phase shortcircuit ground line can not install.The prior art is specification and quantity configuration phase of each switchgear house according to handcart equipment
The Special grounding handcart answered, the moving contact of earth handcart are connect with car body, and car body is directly contacted with cabinet body, and cabinet body directly with match
Electric room grounded screen is connected, and earth handcart is pushed into cabinet in moving contact insertion cabinet and just realizes the equipment for overhauling needs after static contact
Three-phase shortcircuit ground connection；The conductor end claw of another portable central cabinet grounding line is directly clamped among claw using the pulling force of tension spring
It is grounded on static contact.
It, just will be according to the specification of handcart equipment using Special grounding handcart since high voltage mid-placed cabinet handcart specification of equipment is different
And the earth handcart of quantity configuration respective numbers, the limited space of switchgear house is on the one hand occupied, maintenance, running space are become
It is narrow, production cost is on the other hand increased again, moreover can be operated on transport carriage since earth handcart needs manually to carry on
The equipment three-phase shortcircuit ground connection that will need to overhaul is completed in cabinet, and the weight of earth handcart is mostly at 100 kilograms or so, undoubtedly
The labor intensity for increasing employee, there is also personal injury risks；Although and another portable central cabinet grounding line using compared with
For convenience, it also mitigates the labor intensity of employee and is not take up switchgear house space, but since its conductor end claw is using tension spring
Pulling force is directly clamped among claw on static contact, and the static contact of different size needs to configure the claw of different bores, and easily causes quiet
The damage of contact surface coating, therefore there are improvements for the prior art.
Summary of the invention
In order to solve the above technical problems, the invention proposes a kind of portable central cabinet grounding devices, by along chuck seat
Three guide rails for being uniformly distributed setting are formed with it in reversed cambered surface stretching stationary contact head tube of three claws that screw pair radially slides
Wall, chuck seat connect the equipment three-phase shortcircuit ground connection for making to need to overhaul with earth lead, while realizing that central cabinet grounding is portable, logical
With the purpose of, lossless static contact overlay coating.
In order to achieve the above objectives, technical scheme is as follows: a kind of portable central cabinet grounding device, includes card
Disk body and operating stick, the chuck body include chuck seat, be arranged in the chuck seat can forward and reverse rotation helical disk with
And equally distributed three claws are engaged with the helical disk, the chuck seat front along radial direction be uniformly provided with it is described
Claw forms the guide rail of prismatic pair, and the helical disk front is provided with the cambered surface rectangle being arranged on rectangular spiral groove and the claw
Tooth forms screw pair, and the helical disk offers transmission interface；The operating stick includes insulation tube and is rotatably arranged on described
Insulation rotating bar in insulation tube, described insulation rotating bar one end are provided with rotating handle, and the other end is provided with and the transmission
The transmission connection-peg of Interference fit.
By using above-mentioned technical proposal, first earth lead is connected on three identical chuck bodies, then will behaviour
Make on bar connection-peg insertion chuck body on spliced eye, make operating stick be linked together with chuck body just constitute one group it is portable
Central cabinet grounding device, the transmission connection-peg and the transmission interface on helical disk for the rotating bar that at this moment insulate have been in mating shape
State, three cambered surface steps being arranged on claw can meet the requirement of different size static contact bore, according to static contact internal diameter
Size is inserted into the corresponding cambered surface step of claw, and rotating forward rotating handle makes insulation rotating bar rotation that helical disk be driven to rotate clockwise
The guide rail that three claws engaged afterwards with helical disk are arranged along chuck seat simultaneously makees radial centrifugation sliding, makes three claws will be quiet
Contact inside pipe wall stretching is fixed, and realizes that the equipment that will need to overhaul is in ground connection shape by the earth lead being connected on chuck seat
State rotates backward the rotating handle rotating bar rotation that makes to insulate and drives after helical disk rotates counterclockwise, and three claws are simultaneously along chuck
The guide rail being arranged on seat makees radial centripetal sliding, and three claws are detached from static contact inside pipe wall, takes out chuck body and releases equipment ground
State.
The present invention is further arranged to: being provided with headlamp on the connection-peg, is provided on the Anti-slip cover for controlling
Make the remote control switch of the headlamp.Convenient for accurately claw insertion static contact inside pipe wall is checked in claw and stationary contact head tube simultaneously
The fixed situation of wall stretching, the remote control switch being arranged on Anti-slip cover not only ensure that the dielectric strength requirement of the operating stick, but also
The control headlamp can be facilitated.
The present invention is further arranged to: with the conducting wire connection that is flexible coupling between the claw and chuck seat.It is grounded back with reducing
Road resistance improves earthing effect.
The present invention is further arranged to: the transmission interface is in interior hexagonal structure, is arranged with described insulation rotating bar one end
Outer-hexagonal structure drive joint it is mating.
The present invention is further arranged to: the chuck seat side and terminal pad are fixed with fixed screw, in the terminal pad
The spliced eye of setting is in interior hexagonal structure and to offer caulking groove and the setting of described insulation tube one end be in outer-hexagonal shape and to be installed with
The connection-peg grafting of positioning bead.By helical disk be enclosed in chuck seat be in can forward and reverse rotation state, made the connection-peg both
The insertion spliced eye can be facilitated, and to rotate and loosen between the operating stick and the chuck body, moreover it is possible to
Easily the operating stick is removed from the chuck body.
The present invention is further arranged to: the both ends of the insulation tube are respectively arranged with bearing, the bearing and the insulation
Rotating bar forms revolute pair.Make the insulation rotating bar stability of rotation and reduces the frictional force generated when rotation.
The present invention is further arranged to: the rotating handle is fixedly connected with insulation rotating bar.
The present invention is further arranged to: there are three the static contacts that cambered surface step is suitable for different tube diameters for the claw setting.
The present invention is further arranged to: being set as three when the claw stretching tubular shape conductor inner wall, is clamped flat-shaped conductor
When be set as two, the present invention is by taking three-jaw as an example.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described.
Fig. 1 is the overall structure diagram of portable central cabinet grounding device；
Fig. 2 is the top view of chuck body；
Fig. 3 is chuck body schematic diagram of internal structure；
Fig. 4 is operating stick schematic diagram of internal structure；
Fig. 5 is two-jaw(ed)chuck body structural schematic diagram.
In figure: 1, chuck body；11, chuck seat；12, claw；13, fixed screw；14, earth lead connecting screw；15, arc
Face rectangular teeth；16, be flexible coupling conducting wire；17, spliced eye；18, helical disk；19, rectangular spiral groove；110, it is driven interface；111, even
Connect disk；112, caulking groove；113 guide rails；2, operating stick；21, headlamp；22, connection-peg；23, insulation tube；24, Anti-slip cover；25,
Remote control switch；26, insulate rotating bar；27, rotating handle；28, it is driven connection-peg；29, bearing；210, positioning bead.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
As shown in Figures 1 to 4, a kind of portable central cabinet grounding device, includes chuck body 1 and operating stick 2, chuck body
1 mainly include 11, three claws 12 of chuck seat, be arranged in chuck seat 11 can forward and reverse rotation helical disk 18 and with operation
The terminal pad 111 of 2 grafting of bar, chuck seat 11 is uniformly distributed setting, and there are three guide rails 113 and three claws 12 to form prismatic pair diameter
It is arranged to sliding, the rectangular spiral groove 19 being arranged on cambered surface rectangular teeth 15 and helical disk 18 is provided on claw 12 and is meshed composition
Screw pair, the spliced eye 17 being arranged in terminal pad 111 are in the connection-peg of outer-hexagonal shape in setting on interior hexagon and insulation tube 23
22 is mating, and 17 inner wall of spliced eye is provided with caulking groove 112, offered at the center of helical disk 18 in insulating driving rod 26
It is arranged and cooperates grafting in interior hexagonal transmission interface 110 in the transmission connection-peg 28 of outer-hexagonal shape, chuck seat 11 is respectively with three
Claw 12 is connected with the conducting wire 16 that is flexible coupling, and 11 side of chuck seat and 111 arc surface of terminal pad are fixed with fixed screw 13, ground connection
Conducting wire is connect with earth lead connecting screw 14 with chuck seat 11；Operating stick 2 mainly includes insulation tube 23, is rotatably arranged on absolutely
Insulating driving rod 26 in edge pipe 23 and the rotating handle 27 for being fixedly connected on 26 one end of insulating driving rod, insulation tube 23 are another
End be provided be arranged on connection-peg 22 and terminal pad 111 in outer-hexagonal shape be in interior hexagonal spliced eye 17 it is mating,
It is provided with flexibly positioned pearl 210 on connection-peg 22 and 112 inlay card of caulking groove of 17 inner wall of spliced eye setting cooperates, insulating driving rod
26 other ends be provided be arranged on transmission connection-peg 28 and helical disk 18 in outer-hexagonal shape in interior hexagonal transmission interface
110 is mating, and 23 inner wall both ends of insulation tube are respectively equipped with bearing 29 and insulating driving rod 26 and form revolute, outside insulation tube 23
One end is provided with 21 other end of headlamp and is provided with Anti-slip cover 24, and the remote control switch of control headlamp 21 is provided on Anti-slip cover 24
25。
As shown in connection with fig. 5, when to set cabinet static contact in the middle be blade contact, be applicable in the card of opposite two claws 12 above and below
Disk body 1 is grounded, structurally and operationally the chuck body of mode and three claws 12 by two 12 clamping blade contacts of claw
1 is identical, and the present invention is illustrated by taking scroll chuck body as an example.
When needing for equipment three-phase shortcircuit a certain in high voltage mid-placed cabinet to be grounded, will be grounded with earth lead connecting screw 14
Conducting wire is connected on three chuck bodies 1 and just forms ground line group, is first turned on the gear for needing to install ground connection line side static contact
Connection-peg 22 on insulation tube 23 after identifying true no-voltage on three-phase static contact, is inserted in one of chuck body 1 by plate
In spliced eye 17 in terminal pad 111 and cooperate the transmission interface 110 being driven on connection-peg 28 and helical disk 18 insertion, grafting
210 inlay card of positioning bead on first 22 cooperates chuck body 1 and operating stick 2 in the caulking groove 112 of spliced eye 17 closely will not pine
Dynamic and not can rotate, pressing 25 button of telecontrol switch and opening headlamp 21 just can clearly observe that be mounted on high voltage mid-placed cabinet female
The case where line room side or cable vault side static contact, corresponds to claw 12 is corresponding according to ground line static contact inner diameter size is installed
Step insertion static contact in, a hand holds the Anti-slip cover 24 being set on insulation tube 23, and another hand rotates forward rotation
Handle 27 makes the rotation of insulating driving rod 26 that helical disk 18 be driven to rotate clockwise, and is arranged between insulating driving rod 26 and insulation tube 23
There is bearing 29, insulating driving rod 26 is made to rotate steady and reduce frictional force, the cambered surface rectangular teeth 15 on three claws 12 is in spiral
Three guide rails 113 being arranged along chuck seat 11 simultaneously in rectangular spiral groove 19 on disk 18 make radial centrifugal movement, make three
The reversed cambered surface stretching static contact inside pipe wall of claw 12 and fixation will pass through the warp of conducting wire 16 that is flexible coupling that claw 12 is connect with chuck 11
The earth lead that earth lead connecting screw 14 connects is grounded static contact, just completes phase ground line installation, checks claw 12
With static contact stretching it is secured after, insulation tube 23 is removed from terminal pad 111, repeating above step can be by three-phase static contact
Ground connection is in three-phase shortcircuit ground state one by one.When needing to remove ground line, presses 25 button of remote control switch and open headlamp
21, in spliced eye 17 that the connection-peg 22 on insulation tube 23 is inserted into terminal pad 111 and it will make to be driven connection-peg 28 and helical disk
Transmission interface 110 on 18 is inserted into cooperation, and rotating backward rotating handle 27 makes the rotation of insulating driving rod 26 drive helical disk 18 inverse
Hour hands rotate, and the cambered surface rectangular teeth 15 on three claws 12 is in the rectangular spiral groove 19 on helical disk 18 while along chuck seat
Three guide rails 113 being arranged make radial centripetal movement, after three claws 12 are detached from static contact inside pipe wall, take out chuck body 1, then
It repeats another two chuck bodies 1 of above step taking-up and just releases equipment ground state.
In conclusion since the present invention is grounded static contact by the way of the reversed cambered surface stretching static contact inner wall of claw,
It not only avoids the problem of claw is stuck in static contact surface breakdown coating and contacts claw with static contact well；It is set on another claw
The three cambered surface steps set meet the insertion stretching of different size static contact internal diameter, and it is logical to also solve different size static contact
With the problem of, moreover connection due to chuck body and insulating bar and unloading are using slotting quick-release mode fastly, not only easy to use,
And an insulating bar can meet and set frame installing place in one and have the dress of ground line, tear open, saved cost and storage is empty
Between；The headlamp being arranged on insulating bar clearly can find installation position in the more silent fixed contact pedestal of light and check
Install quality；The present invention is applicable not only to high voltage mid-placed cabinet tubulose static contact, as shown in figure 5, scroll chuck body is changed to phase
To the two-jaw(ed)chuck body of installing, flat-shaped static contact and other flat-shaped conductors are applied also for, while applying also for distribution system cable
The ground line of the cable elbows head such as distribution box, switch-box is installed, versatile, widely applicable, remarkable in economical benefits.
It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the premise of the invention,
Various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Claims (9)
1. a kind of portable central cabinet grounding device, which is characterized in that include chuck body (1) and operating stick (2), the chuck
Body (1) include chuck seat (11), setting in the chuck seat (11) can forward and reverse rotation helical disk (18) and with institute
It states helical disk (18) and engages equally distributed three claws (12), chuck seat (11) front is uniformly provided with along radial direction
With the claw (12) composition prismatic pair guide rail (113), helical disk (18) front be provided with rectangular spiral groove (19) with
Cambered surface rectangular teeth (15) the composition screw pair being arranged on the claw (12), the helical disk (18) offer transmission interface
(110)；The operating stick (2) includes insulation tube (23) and the insulation rotating bar that is rotatably arranged in the insulation tube (23)
(26), described insulation rotating bar (26) one end is provided with rotating handle (27), and the other end is provided with and the transmission interface (110)
The transmission connection-peg (28) of cooperation.
2. a kind of portable central cabinet grounding device according to claim 1, which is characterized in that on the connection-peg (22)
It is provided with headlamp (21), the remote control switch (25) for controlling the headlamp (21) is provided on the Anti-slip cover (24).
3. a kind of portable central cabinet grounding device according to claim 1, which is characterized in that the claw (12) and card
It is connected between disk seat (11) with the conducting wire that is flexible coupling (16).
4. a kind of portable central cabinet grounding device according to claim 1, which is characterized in that the transmission interface
It (110) is in interior hexagonal structure, drive joint (28) grafting with the outer-hexagonal structure of described insulation rotating bar (26) one end setting
Cooperation.
5. a kind of portable central cabinet grounding device according to claim 1, which is characterized in that chuck seat (11) side
Face and terminal pad (111) are fixed with fixed screw (13), and the spliced eye (17) being arranged on the terminal pad (111) is in interior hexagonal knot
Structure simultaneously offers caulking groove (112) and the setting of the insulation tube (23) one end in outer-hexagonal shape and is installed with positioning bead (210)
Connection-peg (22) grafting.
6. a kind of portable central cabinet grounding device according to claim 1, which is characterized in that the insulation tube (23)
Both ends are respectively arranged with bearing (29), and the bearing (29) and the insulation rotating bar (26) form revolute pair.
7. a kind of portable central cabinet grounding device according to claim 1, which is characterized in that the rotating handle (27)
It is fixedly connected with insulation rotating bar (26).
8. a kind of portable central cabinet grounding device according to claim 1, which is characterized in that claw (12) setting
There are three the static contacts that cambered surface step is suitable for different tube diameters.
9. a kind of portable central cabinet grounding device according to any one of claims 1 to 8, which is characterized in that the claw
(12) it is set as three when stretching tubular shape conductor inner wall, two are set as when clamping flat-shaped conductor, the present invention is by taking three-jaw as an example.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910009678.9A CN109546567A (en) | 2019-01-05 | 2019-01-05 | A kind of portable central cabinet grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910009678.9A CN109546567A (en) | 2019-01-05 | 2019-01-05 | A kind of portable central cabinet grounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109546567A true CN109546567A (en) | 2019-03-29 |
Family
ID=65834140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910009678.9A Pending CN109546567A (en) | 2019-01-05 | 2019-01-05 | A kind of portable central cabinet grounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109546567A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276288A (en) * | 2019-04-01 | 2021-08-20 | 中建七局第二建筑有限公司 | Precast concrete well section of thick bamboo trompil device |
| CN117444851A (en) * | 2023-12-21 | 2024-01-26 | 宁波华众塑料制品有限公司 | Three-jaw clamping and sucking integrated clamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167617A (en) * | 2014-07-31 | 2014-11-26 | 河南省电力公司济源供电公司 | Bus fixed contact grounding device for KYN28 type switch cabinet |
| CN104466457A (en) * | 2014-12-05 | 2015-03-25 | 国家电网公司 | General type bus grounding device for switch cabinet |
| CN106856306A (en) * | 2017-03-16 | 2017-06-16 | 国网黑龙江省电力有限公司鹤岗供电公司 | Make the method that the static contact of wheelbarrow switch fracture is grounded using handcart-type switch Special grounding wire |
| CN207691290U (en) * | 2017-03-31 | 2018-08-03 | 国网浙江省电力公司湖州供电公司 | A kind of detachable insulating bar with ratchet crank handle |
| CN209497176U (en) * | 2019-01-05 | 2019-10-15 | 谭加新 | A kind of portable central cabinet grounding device |
-
2019
- 2019-01-05 CN CN201910009678.9A patent/CN109546567A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167617A (en) * | 2014-07-31 | 2014-11-26 | 河南省电力公司济源供电公司 | Bus fixed contact grounding device for KYN28 type switch cabinet |
| CN104466457A (en) * | 2014-12-05 | 2015-03-25 | 国家电网公司 | General type bus grounding device for switch cabinet |
| CN106856306A (en) * | 2017-03-16 | 2017-06-16 | 国网黑龙江省电力有限公司鹤岗供电公司 | Make the method that the static contact of wheelbarrow switch fracture is grounded using handcart-type switch Special grounding wire |
| CN207691290U (en) * | 2017-03-31 | 2018-08-03 | 国网浙江省电力公司湖州供电公司 | A kind of detachable insulating bar with ratchet crank handle |
| CN209497176U (en) * | 2019-01-05 | 2019-10-15 | 谭加新 | A kind of portable central cabinet grounding device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276288A (en) * | 2019-04-01 | 2021-08-20 | 中建七局第二建筑有限公司 | Precast concrete well section of thick bamboo trompil device |
| CN113276288B (en) * | 2019-04-01 | 2024-03-15 | 中建七局第二建筑有限公司 | Precast concrete pit shaft trompil device |
| CN117444851A (en) * | 2023-12-21 | 2024-01-26 | 宁波华众塑料制品有限公司 | Three-jaw clamping and sucking integrated clamp |
| CN117444851B (en) * | 2023-12-21 | 2024-05-10 | 宁波华众汽车饰件科技有限公司 | Three-jaw clamping and sucking integrated clamp |
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