CN207800931U - Detachable finger-contact type ground wire and earthing or grounding means - Google Patents
Detachable finger-contact type ground wire and earthing or grounding means Download PDFInfo
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- CN207800931U CN207800931U CN201820278278.9U CN201820278278U CN207800931U CN 207800931 U CN207800931 U CN 207800931U CN 201820278278 U CN201820278278 U CN 201820278278U CN 207800931 U CN207800931 U CN 207800931U
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- ground wire
- rod
- insulating bar
- contact type
- type ground
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Abstract
A kind of detachable finger-contact type ground wire and earthing or grounding means, belong to electrical equipment.Detachable finger-contact type ground wire includes insulating bar, conducting rod, plum blossom fingertip and ground wire connector.Insulating bar is provided with tube chamber.Conductive bar part is sheathed in the tube chamber of insulating bar, and with the external body of rod being located at outside insulating bar.The part of the external body of rod is incorporated into plum blossom fingertip in the form of conductive and is dismountable.Ground wire connector is connected to the part of the external body of rod.Detachable finger-contact type ground wire can be as desired by different plum blossom fingertips be replaced, to be suitable for a variety of different occasions.
Description
Technical field
The utility model is related to electrical equipments, are grounded and are grounded in particular to a kind of detachable finger-contact type
Device.
Background technology
In maintenance of electrical equipment operation process, in order to ensure operating personnel's safety, all activities of regulatory requirements must
It must be in the closed interval of ground wire.Common ground wire is duck-beak type, double-spring type.Some places can not in actual operation
Using this ground wire, such as current large-scale power transformer low-pressure side mostly uses totally-enclosed isolated bus.One end is connected on transformer
On, it is another to terminate in power distribution cabinet.One end in power distribution cabinet because busbar cross-section product is big, for ensure the safety between phase and phase away from
From needing coupling part to be protected with individual multilayer insulation sheath, cause in annual main transformer maintenance, preventive trial
When suspension ground wire, the rear cabinet door for opening power distribution cabinet is not only needed, but also is also needed to after insulating sheath is carried out layered disassembling,
Conventional ground wire can be hung up.After the completion of maintenance, it is also necessary to insulating sheath be installed layer by layer, after wrapping, install and match
After electric cabinet rear cover, it could apply for power transmission.Exist when opening power distribution cabinet back door in the process, mistakenly entering charged chamber it is dangerous because
Element, dismounting, installation multiple sheath need to take a substantial amount of time, inefficient.
The type of currently used Universal ground wire has a ground wires such as duck-beak type, double-spring type, and this kind of ground wire can not be
It is attached in static contact of power distribution cabinet.There is a kind of device being earth handcart.It is handcart-type earthing or grounding means, using plum blossom fingertip
Contact as earth handcart.The device is heavy, and cost is high, and one end of handcart is plum blossom fingertip, and the other end is by conductor and connects
Ground equipment is connected, and bottom is provided with pulley, the connection type and common contact of breaker part connection type of fingertip and conductor
It is identical.For the contact of different capabilities and size, replacement needs the long period, inefficiency.
Utility model content
Based on the deficiencies of the prior art, the utility model provides a kind of detachable finger-contact type ground wire and earthing or grounding means,
Partly or entirely to improve, even solve the problems of the prior art.
The utility model is realized in this way：
In the utility model in a first aspect, providing a kind of detachable finger-contact type ground wire.
Detachable finger-contact type, which is grounded, includes：
Insulating bar, insulating bar are extended by first end to second end, and insulating bar closes on that first end is axially disposed pipe
Chamber, and direction of the tube chamber from first end towards second end extends；
Part is sheathed on the intraluminal conducting rod of insulating bar, and conducting rod is extended by third end to the 4th end, conductive
The external body of rod that bar has the inside body of rod comprising third end, includes the 4th end, the internal body of rod are sheathed in the tube chamber of insulating bar,
External crossbar body is located at outside insulating bar；
Plum blossom fingertip, plum blossom fingertip include contact finger piece, are connected to the fixed ring of contact finger piece and are set to outside fixed ring
Tension spring is incorporated into the fixed ring of plum blossom fingertip positioned at the 4th end of the external body of rod in the form of conductive and is dismountable；
It is grounded connector, ground wire connector is connected to the part at non-4th end of the external body of rod.
In one or more embodiments of the utility model, ground wire connector is stud, what stud was threadedly coupled
Mode is incorporated into the external body of rod.
In one or more embodiments of the utility model, ground wire connector is bolt, what bolt was threadedly coupled
Mode is incorporated into the external body of rod.
In one or more embodiments of the utility model, tube chamber is detachably touched axially through the whole of insulating bar
Finger formula ground wire further includes seal closure, and seal closure is connected to second end.
In one or more embodiments of the utility model, the internal body of rod is connected to insulation in a manner of being detachably connected
Bar.
In one or more embodiments of the utility model, the internal body of rod is threadedly coupled with insulating bar, alternatively, inner shaft
Body is bolted with insulating bar, and the internal body of rod has coaxial connecting screw hole with insulating bar.
In one or more embodiments of the utility model, insulation rod outer surface is provided with instruction unit, and instruction unit is by structure
The third end for making to indicate the internal body of rod is in intraluminal position.
In one or more embodiments of the utility model, instruction unit is located between first end and second end
The medium position of insulating bar.
In one or more embodiments of the utility model, the length of insulating bar is not less than 50cm, the length of conducting rod
Length for 10-15cm, the internal body of rod is less than 10cm.In the second aspect of the utility model, a kind of earthing or grounding means is provided.
Earthing or grounding means includes earth lead, such as above-mentioned detachable finger-contact type ground wire.One end of earth lead is connected to
It is grounded connector.
Advantageous effect：
The detachable finger-contact type ground wire and earthing or grounding means that the utility model embodiment provides, according to the spy of such equipment
Point has designed and produced dismantled and assembled finger-contact type ground wire, and dismantled and assembled finger-contact type ground wire can be flexibly installed at static contact of power distribution cabinet,
Reliable ground is realized, maintenance safety and working efficiency are improved.For such case, the dismantled and assembled finger-contact type ground connection of utility model
Line does not differentiate between the installation position of static contact, according to the contact of different capabilities, replace fingertip need to only unclamp fixing bolt can be with
It changes, it is rapidly and efficiently, applied widely.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the detachable finger-contact type ground wire that the utility model embodiment provides.
Icon：1- insulating bars；2- fixed pins；3- connecting rods；4- fixed screws；5- fixed rings；6- contact finger pieces；7- is grounded
Connector；8- tension springs；9- seal closures.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit claimed the scope of the utility model,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without creative efforts belongs to the model of the utility model protection
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, do not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features are in direct contact, and can also not be to be in direct contact but lead to including the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only
Indicate that fisrt feature level height is less than second feature.
In the present invention, in the case of not contradiction or conflict, all embodiments, embodiment of the utility model
And feature can be combined with each other.In the present invention, conventional unit, component etc., both can be commercially available, can also
It is made by oneself according to content disclosed by the utility model.In the present invention, normal to some in order to protrude the emphasis of the utility model
The omission that the operation of rule and unit, component carry out, or be only briefly described.
Refering to fig. 1.
Present embodiments provide a kind of detachable finger-contact type ground wire comprising insulating bar, conducting rod, plum blossom fingertip are to connect
Ground wire connector.Conducting rod is connected respectively at insulating bar, plum blossom fingertip.Ground wire connector is incorporated in conducting rod, and as with
The conductor of conducting wire connection.
Insulating bar can be improved the safety in utilization of detachable finger-contact type ground wire, and to avoid operator and power supply or can open
The direct or abutting contact closed.Insulating bar is extended by first end to second end, substantially cylindrical structure, also may be used certainly
To be polygon prism such as quadrangular.Insulating bar closes on that first end is axially disposed a tube chamber, and tube chamber is from first end towards second end
Direction extend.Tube chamber can be set to the part of insulating bar.Tube chamber can also be located at the whole of insulating bar, i.e., during insulating bar is
Empty structure, whole of the tube chamber axially through insulating bar.Insulation sleeve can also be set outside tube body, such as rubber sleeve, plastic sheath.Into
One step, detachable finger-contact type ground wire further includes seal closure 9.Seal closure is connected to second end, thus by tube chamber in second end
Closure of openings.
In addition, insulation rod outer surface is also provided with instruction unit.Instruction unit is configured to indicate the third end of the internal body of rod
In intraluminal position.Instruction unit can guide the link position of conducting rod and insulating bar, and indicate operator's electric conductor with
The relative position of insulating bar.In a kind of example, instruction unit is between first end and second end, and positioned at the middle position of insulating bar
It sets.
Part is sheathed on the intraluminal conducting rod of insulating bar, and conducting rod is extended by third end to the 4th end, conductive
The external body of rod that bar has the inside body of rod comprising third end, includes the 4th end, the internal body of rod are sheathed in the tube chamber of insulating bar,
External crossbar body is located at outside insulating bar.Needs based on practicability, the internal body of rod are connected to insulating bar in a manner of being detachably connected.
Alternatively, the internal body of rod is threadedly coupled with insulating bar.Further, the internal body of rod is bolted with insulating bar, the internal body of rod
There is coaxial connecting screw hole with insulating bar.
Plum blossom fingertip, plum blossom fingertip include contact finger piece 6, are connected to the fixed ring 5 of contact finger piece and are set to outside fixed ring
Tension spring 8, be located at the 4th end of the external body of rod with conductive and detachable (being attached for example, by using fixed screw 4)
Form is incorporated into the fixed ring of plum blossom fingertip；
It is grounded connector 7, ground wire connector is connected to the part at non-4th end of the external body of rod.
Conducting rod can also be arranged to cylindrical structure or prismatic structures, such as triangular prism, quadrangular, hexagonal prisms.
In a kind of example, ground wire connector is stud, and stud is incorporated into the external body of rod threadably.It is another
In kind example, ground wire connector is bolt, and bolt is incorporated into the external body of rod threadably.
In order to make those skilled in the art be more easy to implement the utility model, a kind of example is illustrated below.It is dismantled and assembled
Finger-contact type is grounded design process, chooses length and is not less than the hollow insulating bar 1 of 50 centimetre lengths, chooses 10-15 centimetre lengths and is
One section of suitable galvanized iron conduit must be less than hollow insulating bar as connecting rod 3, diameter.
Galvanized pipe one end is inserted into hollow insulating bar, insertion depth is and to be done outside insulating bar within 10 centimetres
Good label, it is ensured that safe distance, in the center lot of insertion site, corresponding position is opened respectively on hollow insulating bar and galvanized pipe
Hole is fixed with hand riveter rivet.The nut that an internal diameter is slightly smaller than bore is welded at the nozzle of leakage, will be welded
Part is polished flat with sand paper, is chosen corresponding plum blossom fingertip according to the size of equipment static contact, is chosen suitable screw rod and pass through
Plum blossom fingertip is with screw rod of the nut to be selected more than sky among fixed plate in the circular hole among fixed plate one end, is paid attention to, thus
Plum blossom fingertip is fixed on galvanized pipe, and leaks outside in galvanized pipe and partly welds a screw rod, use is connect as with multiply annealed copper wire.
In use, according to《Electric power safety operating regulation》It is required that first identified at static contact after true no-voltage with electroscope, it will
Finger-contact type ground connection end is connect with switchgear house earth-return circuit, then hand-held finger-contact type earth wire insulating rod end, by fingertip portion
Divide in the groove for being inserted into static contact, the tension spring on fingertip fixes contact and static contact, is reliably connected.
Insulating bar and the ingenious connection of Mume flower contact, can quickly dismount, and need stationary contact head suspension to be grounded suitable for various
Equipment on.The utility model, easy to operate, be easily installed, low cost, contact can be according to the static contacts of different capabilities quickly more
Grounding contact is changed, is needed the upkeep operation of static contact installation ground wire suitable for various, its fingertip part of earth handcart
Relative altitude is fixed, is suitable for the connection of upside static contact, when static contact needs hanging earthing conductor when downside, it is also necessary to customize
The earth handcart of suitable dimension, cost are high.
In addition, insulating bar and fingertip connection method, leading screw rotates continuous etc..The connection of insulating bar and current-carrying part can adopt
With rivet interlacement, binding connection.Supporting rack can be arranged in insulation rod rear end.
It is grounded based on detachable finger-contact type set forth above, the utility model additionally provides a kind of earthing or grounding means.Ground connection
Device includes earth lead, detachable finger-contact type ground wire.One end of earth lead is connected to ground wire connector.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of detachable finger-contact type ground wire, which is characterized in that including：
Insulating bar, the insulating bar are extended by first end to second end, and the insulating bar closes on the first end in an axial direction
It is provided with tube chamber, and the tube chamber extends from the first end towards the direction of the second end；
Part is sheathed on the intraluminal conducting rod of the insulating bar, the conducting rod extended by third end to the 4th end and
At, the external body of rod that the conducting rod has the inside body of rod comprising the third end, includes the 4th end, the inner shaft
Body is sheathed in the tube chamber of the insulating bar, and the external crossbar body is located at outside the insulating bar；
Plum blossom fingertip, the plum blossom fingertip include contact finger piece, are connected to the fixed ring of the contact finger piece and are set to described solid
Determine the tension spring outside ring, the plum is incorporated into the form of conductive and is dismountable positioned at the 4th end of the external body of rod
The fixed ring of flower fingertip；
It is grounded connector, the ground wire connector is connected to the part at non-4th end of the external body of rod.
2. detachable finger-contact type ground wire according to claim 1, which is characterized in that the ground wire connector is spiral shell
Column, the stud are incorporated into the external body of rod threadably.
3. detachable finger-contact type ground wire according to claim 1, which is characterized in that the ground wire connector is spiral shell
Bolt, the bolt are incorporated into the external body of rod threadably.
4. detachable finger-contact type ground wire according to claim 1, which is characterized in that the tube chamber is axially through described
The whole of insulating bar, the detachable finger-contact type ground wire further includes seal closure, and the seal closure is connected to the second end.
5. detachable finger-contact type ground wire according to claim 1, which is characterized in that the internal body of rod is detachably to connect
The mode connect is connected to the insulating bar.
6. detachable finger-contact type ground wire according to claim 5, which is characterized in that the internal body of rod and the insulation
Bar is threadedly coupled, alternatively, the internal body of rod is bolted with the insulating bar, the internal body of rod and the insulating bar
With coaxial connecting screw hole.
7. detachable finger-contact type ground wire according to claim 1, which is characterized in that the insulation rod outer surface is provided with
Instruction unit, the instruction unit are configured to indicate the third end of the internal body of rod in the intraluminal position.
8. detachable finger-contact type ground wire according to claim 7, which is characterized in that the instruction unit is located at described first
Between end and the second end, and positioned at the medium position of the insulating bar.
9. detachable finger-contact type ground wire according to claim 1, which is characterized in that the length of the insulating bar is not less than
The length of 50cm, the conducting rod are 10-15cm, and the length of the internal body of rod is less than 10cm.
10. a kind of earthing or grounding means, which is characterized in that including earth lead, such as according to according to any one of claims 1 to 9
Detachable finger-contact type ground wire, one end of the earth lead is connected to the ground wire connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820278278.9U CN207800931U (en) | 2018-02-27 | 2018-02-27 | Detachable finger-contact type ground wire and earthing or grounding means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820278278.9U CN207800931U (en) | 2018-02-27 | 2018-02-27 | Detachable finger-contact type ground wire and earthing or grounding means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207800931U true CN207800931U (en) | 2018-08-31 |
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ID=63275454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820278278.9U Active CN207800931U (en) | 2018-02-27 | 2018-02-27 | Detachable finger-contact type ground wire and earthing or grounding means |
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| CN (1) | CN207800931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236319A (en) * | 2021-10-26 | 2022-03-25 | 国网福建省电力有限公司 | Main transformer measuring device |
-
2018
- 2018-02-27 CN CN201820278278.9U patent/CN207800931U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236319A (en) * | 2021-10-26 | 2022-03-25 | 国网福建省电力有限公司 | Main transformer measuring device |
| CN114236319B (en) * | 2021-10-26 | 2023-11-17 | 国网福建省电力有限公司 | Main transformer measuring device |
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