CN209497176U - A kind of portable central cabinet grounding device - Google Patents
A kind of portable central cabinet grounding device Download PDFInfo
- Publication number
- CN209497176U CN209497176U CN201920014304.1U CN201920014304U CN209497176U CN 209497176 U CN209497176 U CN 209497176U CN 201920014304 U CN201920014304 U CN 201920014304U CN 209497176 U CN209497176 U CN 209497176U
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- grounding device
- claw
- helical disk
- portable central
- central cabinet
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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 utility model 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.
Utility model content
In order to solve the above technical problems, the utility model proposes a kind of portable central cabinet grounding device, by along card
Three guide rails that disk seat is uniformly distributed setting form the reversed cambered surface stretching static contact of three claws that screw pair radially slides with it
Inside pipe wall, chuck seat connect the equipment three-phase shortcircuit ground connection for making to need to overhaul with earth lead, while realizing central cabinet grounding just
It takes, is general, the purpose of lossless static contact overlay coating.
In order to achieve the above objectives, the technical solution of the utility model is as follows: a kind of portable central cabinet grounding device, including
Have a chuck body and operating stick, the chuck body include chuck seat, be arranged in the chuck seat can forward and reverse rotation spiral
Disk and equally distributed three claws are engaged with the helical disk, the chuck seat front along radial direction be uniformly provided with
The guide rail of the claw composition prismatic pair, the helical disk front is provided with the cambered surface being arranged on rectangular spiral groove and the claw
Rectangular teeth forms screw pair, and the helical disk offers transmission interface；The operating stick includes insulation tube and is rotatably arranged on
Insulation rotating bar in the insulation tube, described insulation rotating bar one end are provided with rotating handle, the other end be provided with it is described
It is driven 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 utility model is further arranged to: the outer one end of the insulation tube is provided with headlamp, and the other end is provided with anti-skidding
It covers, the remote control switch for controlling the headlamp is provided on the Anti-slip cover.Convenient for claw is accurately inserted into stationary contact head tube
Inner wall checks the situation that claw and static contact inside pipe wall stretching are fixed simultaneously, and the remote control switch being arranged on Anti-slip cover both ensure that
The dielectric strength requirement of the operating stick, and the control headlamp can be facilitated.
The utility model is further arranged to: with the conducting wire connection that is flexible coupling between the claw and chuck seat.It is connect with reducing
Earth-return resistance improves earthing effect.
The utility model is further arranged to: the transmission interface is in interior hexagonal structure, with described insulation rotating bar one end
The transmission connection-peg of the outer-hexagonal structure of setting is mating.
The utility model is further arranged to: the chuck seat side and terminal pad are fixed with fixed screw, the connection
The spliced eye being arranged on disk 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 fill
Connection-peg grafting equipped with positioning bead.By helical disk be enclosed in chuck seat be in can forward and reverse rotation state, make the grafting
Head, which can facilitate, will not rotate and loosen between the insertion spliced eye and the operating stick and the chuck body,
The operating stick can easily also be removed from the chuck body.
The utility model is further arranged to: the both ends of the insulation tube are respectively arranged with bearing, the bearing with it is described
The rotating bar that insulate forms revolute pair.Make the insulation rotating bar stability of rotation and reduces the frictional force generated when rotation.
The utility model is further arranged to: the rotating handle is fixedly connected with insulation rotating bar.
The utility model is further arranged to: there are three the stationary contacts that cambered surface step is suitable for different tube diameters for the claw setting
Head.
The utility model is further arranged to: being set as three when the claw stretching tubular shape conductor inner wall, is clamped flat-shaped
Two are set as when conductor.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Description
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,
Cambered surface rectangular teeth；16, be flexible coupling conducting wire；17, spliced eye；18, helical disk；19, rectangular spiral groove；110, it is driven interface；111,
Terminal pad；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 utility model is described in further detail with reference to the accompanying drawing.
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 behaviour
Make 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
Setting is radially slided, 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 group
At screw pair, grafting of the spliced eye 17 being arranged in terminal pad 111 in setting on interior hexagon and insulation tube 23 in outer-hexagonal shape
First 22 is mating, and 17 inner wall of spliced eye is provided with caulking groove 112, offers at the center of helical disk 18 and insulating driving rod 26
It is upper setting in outer-hexagonal shape transmission connection-peg 28 cooperate grafting be in interior hexagonal transmission interface 110, chuck seat 11 respectively with
Three claws 12 are 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,
Earth lead is connect with earth lead connecting screw 14 with chuck seat 11；Operating stick 2 mainly includes insulation tube 23, rotation setting
Insulating driving rod 26 in insulation tube 23 and the rotating handle 27 for being fixedly connected on 26 one end of insulating driving rod, insulation tube 23
The other end be provided be arranged on connection-peg 22 and terminal pad 111 in outer-hexagonal shape in interior hexagonal 17 grafting of spliced eye
Cooperate, flexibly positioned pearl 210 is provided on connection-peg 22 and 112 inlay card of caulking groove of 17 inner wall of spliced eye setting cooperates, insulation
26 other end of drive rod be provided be arranged on transmission connection-peg 28 and helical disk 18 in outer-hexagonal shape in interior hexagonal biography
Mobile interface 110 is mating, and 23 inner wall both ends of insulation tube are respectively equipped with bearing 29 and insulating driving rod 26 forms revolute, insulation
The outer one end of pipe 23 is provided with 21 other end of headlamp and is provided with Anti-slip cover 24, and the distant of control headlamp 21 is provided on Anti-slip cover 24
Control switch 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 simultaneously along chuck seat
Three guide rails 113 of upper setting make radial centripetal movement, after three claws 12 are detached from static contact inside pipe wall, take out chuck body 1,
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, before not departing from the concept of the present invention
It puts, various modifications and improvements can be made, and these are all within the protection scope 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 the insulation tube (23) is outside
One end is provided with headlamp (21), and the other end is provided with Anti-slip cover (24), is provided on the Anti-slip cover (24) for controlling
State the remote control switch (25) of headlamp (21).
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
(110) it is in interior hexagonal structure, is inserted with the transmission connection-peg (28) of the outer-hexagonal structure of described insulation rotating bar (26) one end setting
Connect 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920014304.1U CN209497176U (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 |
|---|---|---|---|
| CN201920014304.1U CN209497176U (en) | 2019-01-05 | 2019-01-05 | A kind of portable central cabinet grounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209497176U true CN209497176U (en) | 2019-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920014304.1U Active CN209497176U (en) | 2019-01-05 | 2019-01-05 | A kind of portable central cabinet grounding device |
Country Status (1)
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|---|---|
| CN (1) | CN209497176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546567A (en) * | 2019-01-05 | 2019-03-29 | 谭加新 | A kind of portable central cabinet grounding device |
-
2019
- 2019-01-05 CN CN201920014304.1U patent/CN209497176U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546567A (en) * | 2019-01-05 | 2019-03-29 | 谭加新 | A kind of portable central cabinet grounding device |
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