CN207273115U - A kind of ground wire operating lever sleeve barrel tool - Google Patents
A kind of ground wire operating lever sleeve barrel tool Download PDFInfo
- Publication number
- CN207273115U CN207273115U CN201721158927.3U CN201721158927U CN207273115U CN 207273115 U CN207273115 U CN 207273115U CN 201721158927 U CN201721158927 U CN 201721158927U CN 207273115 U CN207273115 U CN 207273115U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- pullover
- ground wire
- operating lever
- wire operating
- 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.)
- Active
Links
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The technical field of power generation ancillary equipment is the utility model is related to, more particularly, to a kind of ground wire operating lever sleeve barrel tool.The ground wire operating lever sleeve barrel tool of the utility model includes the sleeve mechanism being connected with operation lever and the pullover mechanism coordinated with the sleeve mechanism, one end of the pullover mechanism is connected with the auxiliary devices such as handheld electric rotary instrument, crank operation bar or acousto-optic instruction device, the multi-functional formula sleeve of composition " mother three is male "：Handheld electric rotary instrument is connected, multipurpose rotary can be rapidly completed so that connecing electricity folder being capable of Quick-clamped power failure equipments；Connecting crank operation lever, it is possible to increase operations staff acts on the torque of operation lever, easily laborsaving, and work efficiency is high, solves the problems, such as that the torque of rotation process bar is small, causes staff's speed fatigable slowly；Acousto-optic instruction device is connected, the ground wire do not removed can be clearly observed at night, effectively solves the problems, such as that night large operation easily occurs ground wire leakage and tears open；The reliability, stability and convenience of connection is effectively ensured.
Description
Technical field
The technical field of power generation ancillary equipment is the utility model is related to, more particularly, to one kind ground wire operation
Rod sleeve instrument.
Background technology
Short-circuit grounding wire is applied widely in electric system, is to connect power failure equipments temporary short-circuit in substation
A kind of safety appliance on ground.By the way that conductor end terminal is overlapped on three-phase conductor respectively, through short-circuit line by power failure equipments three
Mutually short circuit, then guided to by a ground wire on earthing pole, so as to fulfill the protection to construction personnel's safety in protection domain.Mesh
Before, power grid industry is generally grounded using spiral compression formula, can not be met agility and reliability at the same time, be gone out from security standpoint
Hair, most of unit are all to sacrifice convenience to meet reliability.
However, as what state's household electrical appliances changed further gos deep into, residential electricity consumption reliability is equally important all the more, and long assembly and disassembly connect
The ground wire time, seriously affects the interruption maintenance time, it has also become the restriction " bottleneck " of interruption maintenance work.At present, it is complete in substation
Using operation bar type ground wire, its conducting wire end terminal generally use spiral compression formula in portion, by operation stick drive wire clamp can
Leading screw to be adjusted, the rotary motion of insulating bar is changed into the vertical linear motion of fixture block, control connects electricity folder spacing and changes up and down,
Realize to the elastic of conducting wire, can not meet agility and reliability at the same time.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, there is provided a kind of ground wire operating lever of multi-functional formula
Sleeve barrel tool, can connect the amplification component such as handheld electric rotary instrument, crank operation bar, acousto-optic instruction device, can expire at the same time
Sufficient connection reliability, stability and convenience.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of ground wire operating lever sleeve barrel tool is provided, including the sleeve mechanism that is connected with operation lever and with the sleeve
The pullover mechanism that mechanism coordinates, the sleeve mechanism include the first sleeve and second sleeve, first sleeve and second sleeve
Between formed with being equipped with and the pullover mechanism matched the with matched first auxiliary section of operation lever, the second sleeve
Two auxiliary sections；One end of the pullover mechanism is connected with amplification component.
The ground wire operating lever sleeve barrel tool of the utility model, is coordinated by first between the first sleeve and second sleeve
Portion is connected with operation lever, so that the rubber end cap of traditional operation bar end is replaced with sleeve mechanism, it is matched with sleeve mechanism
One end of pullover mechanism can connect the auxiliary such as handheld electric rotary instrument, crank operation bar or acousto-optic instruction device dress on demand
Put, pullover is inserted in second sleeve by the second auxiliary section, so as to assign sleeve barrel tool multiple functions, assembly and disassembly can be shortened and connect
The time of ground wire, while disclosure satisfy that connection reliability, stability and convenience.
Further, first sleeve is equipped with some for attended operation bar and the mounting hole of sleeve, some described
Mounting hole is arranged on same plane；First auxiliary section is smooth loop configuration.After the gum cover for operating rod end cap is removed
The first auxiliary section is nested into, operation lever is fixed on by the first auxiliary section by mounting hole using components such as rivet, screw, bolts
In, i.e. the sleeve mechanism of the utility model substituted for the rubber end cap of operation lever end.
Further, one end of the second sleeve is fastenedly connected with first sleeve, and the other end is equipped with magnetic top plate；
Second auxiliary section is equipped with the square hole of recess for side wall, and the recess bottom is sticked and has permanent magnet.The setting of square hole is just
Frictional force between increase pullover and second sleeve, the setting of magnetic top plate beneficial to operation lever and sleeve mechanism cooperation with it is solid
It is fixed.
Further, the pullover mechanism includes overlapping joint, fixed disk and pullover, and the overlapping joint, pullover are installed in
The both ends of the fixed disk, the overlapping joint are fixedly connected with the amplification component；The pullover is cast iron rectangular parallelepiped structure,
It is sheathed in the second sleeve.Frictional force between the pullover of rectangular parallelepiped structure and the second auxiliary section of square hole is big, easy to cover
Rotation of the rotation of head with moving sleeve is so as to drive the rotation of operation lever to be grounded the facilitation of line dismounting；The choosing of cast iron materials
With the intensity and hardness that can increase pullover, reduce abrasion caused by being relatively rotated between second sleeve and pullover, with lengthening sleeve work
The service life of tool.
Further, the pullover be equipped with the matched ripple pearl of the recess, connect between the ripple pearl and the pullover
It is connected to spring.When pullover is inserted in second sleeve, ripple pearl top to recess, the permanent magnet arranged on recess bottom holds ripple pearl；Pass through ripple
Pearl screens and magnet suction form fastening force, it is ensured that second sleeve can be blocked and hold pullover, avoid second sleeve and pullover
Relative motion.
Further, the overlapping joint is the cast iron hexagonal structure equipped with concave part.So setting is refuted to increase
The intensity and hardness of connector, the stability being connected with increase amplification component with pullover mechanism.
Further, some fillets are evenly equipped with the end face of the pullover, the rib of the rectangular parallelepiped structure is equipped with smooth
Arc-shaped structure；The second sleeve is equipped with and the matched chamfering structure of arc-shaped structure.So set so that pullover
Need not accurately be aligned can just be inserted in, convenient contraposition and dismounting；Abrasion caused by preventing the relative rotation between pullover and second sleeve.
Further, the amplification component is handheld electric rotary instrument, and the handheld electric rotary instrument includes
Electric device, moment regulating device and electric drill head connected in sequence, the electric drill head are connected to the pullover mechanism.Work as ground connection
After line is articulated in conductor end, pullover is inserted in, pullover can be rotated by starting electric rotating tool, drive operation lever rotation.Separately
Outside, resistance definite value can be adjusted by moment regulating device, to adapt to different size conducting wire, reaches motor after the resistance definite value of setting
Skid, operations staff only need to check whether reliable grip conducting wire with hand again；Direction of rotation is convertible, reaches elastic equal
Adjustable purpose；Operation instrument uses detachable lithium battery, and charging can once work 30 minutes, disclosure satisfy that large-scale behaviour
The grounding requirement of work.
Further, the amplification component is crank operation bar, and the crank operation bar includes handle connected in sequence, song
Handle and connecting rod, are arranged with taper knob on the handle, and the taper knob is equipped with some protrusions, and the crank is can stretch
The aluminium alloy structure of contracting, the connecting rod are fixedly connected with the pullover.Crank operation bar is in " Z " type, using light and intensity
Enough aluminum alloy materials, weld with pullover, increase torque by increasing radius of turn, reach labour-saving purpose.Shake hands place
Handle can rotate freely and put on taper knob, operations staff no longer needs frequently to hold with a firm grip, unclamps, holds with a firm grip, greatly slows down
Feeling of fatigue.
Further, the amplification component is acousto-optic instruction device, and the acousto-optic instruction device includes fixed frame and sets
In the buzzer on fixed frame, solar energy photovoltaic panel and LED light, the LED light, solar energy photovoltaic panel and the photovoltaic
Plate is electrically connected；Buzzer switch is electrically connected with the buzzer, indicator light switch is electrically connected with the LED light, it is described solid
Determine frame outer surface and be equipped with nanometer reflection layer structure.After mounting ground wire, device is inserted in, is fixed device using magnetic and ripple pearl
On earth wire operation stick, low frequency acousto-optic can be sent by opening switch.Light-emitting device is triggered by light sensation, and daytime saves electric power.
Sound, electro-optical device are equipped with individual small switch, and putting back to behind insulating tool room can be with shutoff device.It is reflective using nanometer outside device
Carrying material, is arrived even if can also be run personal observations after ensureing acousto-optic failure.
Compared with prior art, the beneficial effects of the utility model are：
The ground wire operating lever sleeve barrel tool of the utility model, including the sleeve mechanism that is connected with operation lever and with the set
The pullover mechanism that cylinder mechanism coordinates, one end of the pullover mechanism is connected with amplification component.The utility model is replaced by sleeve
The rubber end cap of traditional operation bar end, can fill with being connected with handheld electric rotary instrument, crank operation bar or acousto-optic instruction
The pullover connection of auxiliary device such as put, that is, form the multi-functional formula sleeve of " mother three is male "：Handheld electric rotary instrument is connected,
Multipurpose rotary can be rapidly completed so that connect electricity folder can Quick-clamped power failure equipments, be open larger, useless shifting with solving to connect electricity folder
Dynamic formation is big, needs the rotation of long period to clamp the problem of connecing electricity folder；Connecting crank operation lever, it is possible to increase operations staff
The torque of operation lever is acted on, easily laborsaving, work efficiency is high, and the torque for solving rotation process bar is small, causes staff fast
The slow fatigable problem of degree；Acousto-optic instruction device is connected, the ground wire do not removed can be clearly observed at night, effectively solution
Certainly night large operation easily occurs to be grounded the problem of leakage is torn open.
Brief description of the drawings
Fig. 1 is the stereogram of the sleeve mechanism of the ground wire operating lever sleeve barrel tool of the utility model.
Fig. 2 is the top view of the sleeve mechanism of the ground wire operating lever sleeve barrel tool of the utility model.
Fig. 3 is the stereogram of the pullover mechanism of the ground wire operating lever sleeve barrel tool of the utility model.
Fig. 4 is the structure diagram of the electric rotating tool of embodiment one.
Fig. 5 is the structure diagram of the crank operation bar of embodiment two.
Fig. 6 is the structure diagram of the acousto-optic instruction device of embodiment three.
Embodiment
The utility model is further described with reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, it is impossible to is interpreted as the limitation to this patent；In order to which this reality is better described
With new embodiment, some components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, some known features and its explanation may be omitted and will be understood by attached drawing.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；In this practicality
In new description, it is to be understood that if thering is the orientation of the instructions such as term " on ", " under ", "left", "right" or the position relationship to be
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore retouched in attached drawing
State the term of position relationship only for illustration, it is impossible to the limitation to this patent is interpreted as, for the common skill of this area
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment 1
As shown in Figures 1 to 6 for the utility model ground wire operating lever sleeve barrel tool first embodiment, including with behaviour
The pullover mechanism 2 for making the sleeve mechanism 1 of bar connection and coordinating with sleeve mechanism 1, sleeve mechanism 1 include the first sleeve 11 and the
Two sleeves 12, between the first sleeve 11 and second sleeve 12 formed with matched first auxiliary section 13 of operation lever, second sleeve
12 are equipped with and matched second auxiliary section 14 of pullover mechanism 2；One end of pullover mechanism 2 is connected with amplification component.
Wherein, as shown in Figure 1 to Figure 2, the first sleeve 11 is equipped with some consolidating for attended operation bar and sleeve mechanism 1
Determine hole 15, some mounting holes 15 are arranged on same plane, and the first auxiliary section 13 is smooth loop configuration, loop configuration and operation
Bar, which coordinates, to be fixed；As shown in figure 3, pullover mechanism 2 includes overlapping joint 21, fixed disk 22 and pullover 23, overlapping joint 21, pullover 23
The both ends of fixed disk 22 are installed in, overlapping joint 21 is fixedly connected with amplification component, and overlapping joint 21 is refuted for the hexagonal equipped with concave part
Connector；Pullover 23 is cast iron rectangular parallelepiped structure, is sheathed in second sleeve 12.Wherein, one end of second sleeve 12 and first
Sleeve 11 is fastenedly connected, and the other end is equipped with magnetic top plate 16；Second auxiliary section 14 is equipped with the square hole of recess, recess bottom for side wall
Portion, which is sticked, permanent magnet；Pullover 23 is equipped with ripple pearl 24 matched with recess, and spring is connected between ripple pearl 24 and pullover 23；Set
First 23 when being inserted in second sleeve 12, and ripple pearl 24 is pushed up to recess, and the permanent magnet arranged on recess bottom holds ripple pearl 24；Pass through ripple pearl 24
Screens and magnet suction form fastening force, it is ensured that second sleeve 12 can be blocked and hold pullover 23, avoid second sleeve 12 and set
First 23 relative motion.
In addition, as shown in figure 3, be evenly equipped with some fillets 25 on the end face of pullover 23, the rib of the pullover 23 of rectangular parallelepiped structure
It is equipped with smooth arc-shaped structure 26；Second sleeve 12 is equipped with chamfering structure 17 matched with arc-shaped structure 26, just
It can be just inserted in pullover 23 without being accurately aligned, convenient contraposition and dismounting, and prevent the phase between pullover 23 and second sleeve 12
To abrasion caused by rotation.
Amplification component in the present embodiment is handheld electric rotary instrument, as shown in figure 4, handheld electric rotary instrument
3 include electric device 31 connected in sequence, moment regulating device 32 and electric drill first 33, and electric drill first 33 is connected to pullover mechanism 2.
After ground wire hitching is in conductor end, pullover is inserted in, pullover can be rotated by starting electric rotating tool, drive operation lever rotation
Turn.
Embodiment two
One difference of the present embodiment and embodiment is that the amplification component in the present embodiment is crank operation bar, such as
Shown in Fig. 5, crank operation bar 4 includes handle 41, crank 42 and connecting rod 43, and taper knob 44, handle are arranged with handle 41
Set 44 is equipped with some protrusions 45, and crank 42 is telescopic aluminium alloy structure, and connecting rod 43 is fixedly connected with pullover 23.It is bent
Handle operation lever 4 is in " Z " type, using light and enough intensity aluminum alloy materials, is welded with pullover 23, by increasing radius of turn
To increase torque, reach labour-saving purpose.The handle 41 at the place of shaking hands can rotate freely and put on taper knob 44, and operations staff is not
Need frequently to hold with a firm grip again, unclamp, hold with a firm grip, greatly slow down feeling of fatigue.
Embodiment three
One difference of the present embodiment and embodiment is that the amplification component in the present embodiment is acousto-optic instruction device 5,
As shown in fig. 6, acousto-optic instruction device 5 includes fixed frame 51 and buzzer 52, solar energy photovoltaic panel 53 on fixed frame
And LED light 54, LED light 54, solar energy photovoltaic panel 53 are electrically connected with solar energy photovoltaic panel 53；It is electrically connected with buzzer 52
Buzzer switch 55, is electrically connected with indicator light switch 56 in LED light 54,51 outer surface of fixed frame is equipped with nanometer reflection layer structure.
After mounting ground wire, device is inserted in, device is fixed on ground wire operating lever using permanent magnet sucking action and ripple pearl 24,
Low frequency acousto-optic can be sent by opening switch.Light-emitting device is triggered by light sensation, and daytime saves electric power.Sound, light instruction device are matched somebody with somebody
Standby individual small switchs, and acousto-optic instruction device can be closed after putting back to insulating tool room.Nanometer reflector layer knot is used outside device
Structure, is noticed even if after ensureing acousto-optic failure remaining to that personnel can be run.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made where within the spirit and principles of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (10)
1. a kind of ground wire operating lever sleeve barrel tool, it is characterised in that including the sleeve mechanism being connected with operation lever（1）And with
The sleeve mechanism（1）The pullover mechanism of cooperation（2）, the sleeve mechanism（1）Including the first sleeve（11）And second sleeve
（12）, first sleeve（11）With second sleeve（12）Between formed with matched first auxiliary section of operation lever（13）, institute
State second sleeve（12）It is equipped with and the pullover mechanism（2）Matched second auxiliary section（14）；The pullover mechanism（2）'s
One end is connected with for manipulation operation bar or has the function of the amplification component of instruction.
2. ground wire operating lever sleeve barrel tool according to claim 1, it is characterised in that first sleeve（11）On set
Have and some be used for attended operation bar and sleeve mechanism（1）Mounting hole（15）, some mounting holes（15）Arranged on same plane
On；First auxiliary section（13）For smooth loop configuration.
3. ground wire operating lever sleeve barrel tool according to claim 1, it is characterised in that the second sleeve（12）One
End and first sleeve（11）It is fastenedly connected, the other end is equipped with magnetic top plate（16）；Second auxiliary section（14）For side wall
Square hole equipped with recess, the recess bottom are sticked and have permanent magnet.
4. ground wire operating lever sleeve barrel tool according to claim 3, it is characterised in that the pullover mechanism（2）Including
Overlapping joint（21）, fixed disk（22）And pullover（23）, the overlapping joint（21）, pullover（23）It is installed in the fixed disk（22）
Both ends, the overlapping joint（21）It is fixedly connected with the amplification component；The pullover（23）For cast iron rectangular parallelepiped structure, set
Arranged on the second sleeve（12）It is interior.
5. ground wire operating lever sleeve barrel tool according to claim 4, it is characterised in that the pullover（23）Be equipped with
The matched ripple pearl of recess（24）, the ripple pearl（24）With the pullover（23）Between be connected with spring.
6. ground wire operating lever sleeve barrel tool according to claim 4, it is characterised in that the overlapping joint（21）For equipped with
The cast iron hexagonal structure of concave part.
7. the ground wire operating lever sleeve barrel tool according to claim 5 or 6, it is characterised in that the pullover（23）End
Some fillets are evenly equipped with face（25）, the rib of the cast iron rectangular parallelepiped structure is equipped with smooth arc-shaped structure（26）；Institute
State second sleeve（12）It is equipped with and arc-shaped structure（26）Matched chamfering structure（17）.
8. ground wire operating lever sleeve barrel tool according to claim 1, it is characterised in that the amplification component is hand-held
Electric rotating tool（3）, the handheld electric rotary instrument（3）Including electric device connected in sequence（31）, torque adjusting
Device（32）And electric drill head（33）, the electric drill head（33）With the pullover mechanism（2）Connection.
9. ground wire operating lever sleeve barrel tool according to claim 1, it is characterised in that the amplification component is grasped for crank
Make bar（4）, the crank operation bar（4）Including handle connected in sequence（41）, crank（42）And connecting rod（43）；The hand
Handle（41）On be arranged with taper knob（44）, the taper knob（44）It is equipped with some protrusions（45）；The crank（42）For can
Flexible aluminium alloy structure, the connecting rod（43）With the pullover（23）It is fixedly connected.
10. ground wire operating lever sleeve barrel tool according to claim 1, it is characterised in that the amplification component is acousto-optic
Instruction device（5）, the acousto-optic instruction device（5）Including fixed frame（51）And arranged on fixed frame（51）On buzzer
（52）, solar energy photovoltaic panel（53）And LED light（54）, the LED light（54）, buzzer（52）With the solar energy photovoltaic panel
（53）It is electrically connected；The buzzer（52）On be electrically connected with buzzer switch（55）, the LED light（54）On be electrically connected with instruction
Lamp switch（56）；The fixed frame（51）Outer surface is equipped with nanometer reflection layer structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158927.3U CN207273115U (en) | 2017-09-11 | 2017-09-11 | A kind of ground wire operating lever sleeve barrel tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721158927.3U CN207273115U (en) | 2017-09-11 | 2017-09-11 | A kind of ground wire operating lever sleeve barrel tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207273115U true CN207273115U (en) | 2018-04-27 |
Family
ID=61990736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721158927.3U Active CN207273115U (en) | 2017-09-11 | 2017-09-11 | A kind of ground wire operating lever sleeve barrel tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207273115U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107538423A (en) * | 2017-09-11 | 2018-01-05 | 广东电网有限责任公司江门供电局 | A kind of ground wire operating lever sleeve barrel tool |
-
2017
- 2017-09-11 CN CN201721158927.3U patent/CN207273115U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107538423A (en) * | 2017-09-11 | 2018-01-05 | 广东电网有限责任公司江门供电局 | A kind of ground wire operating lever sleeve barrel tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201374397Y (en) | Portable type short-circuit grounding device | |
| CN110233369A (en) | The electronic grounding rod of overhead high voltage line | |
| CN207273115U (en) | A kind of ground wire operating lever sleeve barrel tool | |
| CN107538423A (en) | A kind of ground wire operating lever sleeve barrel tool | |
| CN204089127U (en) | Road deicing device | |
| CN201918519U (en) | Portable power construction grounding device | |
| CN104917024A (en) | Universal general type automatic temporary grounding device | |
| CN209329651U (en) | A kind of mechanical-vibration type deicer on transmission line of electricity | |
| CN105356085A (en) | Electric power construction grounding device | |
| CN208478865U (en) | A kind of agricultural planting ground power engineering special high-pressure transformation cabinet | |
| CN207834182U (en) | Photovoltaic power generation grid-connecting outdoor disconnector | |
| CN205557430U (en) | Multi -functional defroster that clears snow | |
| CN211799348U (en) | Based on sewage discharging equipment for mechanical engineering | |
| CN209748064U (en) | Operating device for removing foreign matters | |
| CN210272475U (en) | Household energy storage battery system capable of being connected in parallel and used at low voltage | |
| CN207458779U (en) | A kind of regulating multi-functional operation lever | |
| CN208496144U (en) | A kind of novel welding apparatus | |
| CN207845062U (en) | A kind of power ramp device | |
| CN206806272U (en) | A kind of breaker mechanical rotary operation mechanism | |
| CN108110449A (en) | A kind of rotation clamped-in style short-circuit grounding wire conductor end terminal | |
| CN206697108U (en) | High-voltage alternating demarcation vacuum circuit breaker actual training device | |
| CN211320416U (en) | Power box for outdoor waterproof socket | |
| CN207459388U (en) | One kind can electrically operated ground wire operating lever | |
| CN110739559A (en) | grounding device applicable to cable head of switch cabinet and use method thereof | |
| CN204668697U (en) | Universal universal automatic temporary earthing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |