CN209249729U - A kind of earthing clamp component - Google Patents
A kind of earthing clamp component Download PDFInfo
- Publication number
- CN209249729U CN209249729U CN201821611843.5U CN201821611843U CN209249729U CN 209249729 U CN209249729 U CN 209249729U CN 201821611843 U CN201821611843 U CN 201821611843U CN 209249729 U CN209249729 U CN 209249729U
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- clamping part
- hanging wire
- section
- control cabinet
- bevel gear
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Abstract
The utility model provides a kind of earthing clamp component, including the first clamping part, the second clamping part, control cabinet and operating stick, first clamping part includes hanging wire section and linkage section, linkage section one end is connect with the hanging wire section, the other end is connect with control cabinet, and the second clamping part, which is slidably mounted on linkage section, makes clamping part separate or close to hanging wire section；The holding tank for clamping conducting wire is formed when the second clamping part is close to hanging wire section, between hanging wire section and the second clamping part；It is installed in control cabinet and is sequentially connected with the second clamping part, for controlling the control device of the second clamping part sliding, operating stick, which passes through control cabinet bottom, connect with the control device and passes through the control device, controls the sliding of the second clamping part.Operating stick controls control device so that the second clamping part along linkage section close to perhaps far from hanging wire section formed holding tank to conducting wire formed clamp or it is loose from state.Earthing clamp modular construction is simple, and the rapid and convenient ground connection of vertical direction conducting wire may be implemented.
Description
Technical field
The utility model belongs to electric power tool technical field, specifically, relating generally to a kind of earthing clamp component.
Background technique
Transforming plant primary equipment stops in power transmission operation item, is grounded as an important ring, playing prevents power failure equipments each
Occurs the important function of the person electric shock injury when side is sent a telegram here.The ground connection operation of primary equipment is mainly by closing ground connection in substation
Disconnecting link is completed.When line outage is overhauled, when job site is on the outside of plant stand grounding point, due to the no ground knife in route outlet
Lock needs to complete to be grounded by suspension ground line.
High-tension line outgoing line side is higher for the position of suspension ground line, and conductor sag is larger.It is configured in substation at present
Be clamping opening form conllinear with operating stick linear type ground line, be suitable on horizontal type conducting wire mount so that be grounded, and
Then relatively difficult to the biggish wired earth of verticality, majority needs to rise to people parallel with grounding point by high-altitude operation vehicle
Position be grounded, time-consuming, and operating risk is big.Since ground line accesses conducting wire in a horizontal manner, wire clamp is easy to loosen, shadow
Ground connection quality is rung, overhaul of the equipments worker safety is threatened.
Therefore, the firm quick ground connection for realizing vertical lead wire is current substation's maintenance work asking of needing urgently to solve
Topic.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of earthing clamp component, may be implemented
The firm quick ground connection of vertical lead wire.
To realize above purpose of utility model, the utility model provides a kind of earthing clamp component, including the first clamping part,
Second clamping part, control cabinet and operating stick, first clamping part include hanging wire section and linkage section, described linkage section one end and institute
The connection of hanging wire section is stated, the other end is connect with the control cabinet, and second clamping part is slidably mounted on the linkage section,
Sliding of second clamping part on the linkage section so that the clamping part far from or close to the hanging wire section；When described
The clamping for clamping conducting wire is formed when two clamping parts are close to the hanging wire section, between the hanging wire section and second clamping part
Slot；It is installed in the control cabinet and is sequentially connected with second clamping part, for controlling the control dress of the second clamping part sliding
It sets, the operating stick passes through the control cabinet bottom, connect with the control device and passes through the control device control second
Clamping part sliding.
As a further improvement of the above technical scheme, one end of second clamping part is provided with the bayonet of recess, institute
State linkage section embedded in the bayonet make second clamping part can along the linkage section to far from or close to the hanging wire section
Direction sliding.
As a further improvement of the above technical scheme, the control device include threaded rod, first bevel gear and with
The pivot center of the second bevel gear of the first bevel gear engagement, the first bevel gear and second bevel gear is mutually perpendicular to,
The first bevel gear is equipped with threaded hole, and the threaded rod screws in the threaded hole, by the first bevel gear with it is described
The connection of second clamping part, the bottom surface that the operating stick passes through the control cabinet are connect with the second bevel gear.
As a further improvement of the above technical scheme, be provided on the control cabinet from top surface extend to side for pacifying
The connectivity slot inside and outside the connection control cabinet of the control device is filled, the bottom surface of the control cabinet is provided with for allowing the operating stick
The first through hole passed through, the control cabinet are equipped with another opposite side of the side for being provided with the connectivity slot for permitting
Perhaps the second through-hole that the described threaded rod passes through.
As a further improvement of the above technical scheme, the earthing clamp component further includes the envelope for sealing waterproof
Plate, the connectivity slot are equipped with sealing ring, and the sealing plate is fastened in the sealing ring.
As a further improvement of the above technical scheme, the control cabinet further includes the conducting wire for clamping to clamped slot
The grounding parts of ground connection are provided, the grounding parts are equipped with the wiring hole for connecting ground line.
As a further improvement of the above technical scheme, the operating stick includes guard bar and connecting rod, the guard bar
It is made of insulating material, described connecting rod one end is sheathed in the guard bar, and the other end is connect with the first through hole.
As a further improvement of the above technical scheme, the end bend of the hanging wire section is formed for hooking conducting wire
Wire-hanging hook.
As a further improvement of the above technical scheme, the threaded rod is equipped with close to the end of threaded hole for preventing spiral shell
The spacing collar that rasp bar falls off from threaded hole.
As a further improvement of the above technical scheme, second clamping part is recessed to form use close to the one side of hanging wire section
In the semi-moon shaped auxiliary section for cooperatively forming the holding tank with the hanging wire section.
The utility model has the beneficial effects that
The utility model provides a kind of earthing clamp component, including the first clamping part, the second clamping part, control cabinet and operation
Bar, first clamping part include hanging wire section and linkage section, and described linkage section one end is connect with the hanging wire section, the other end and institute
Control cabinet connection is stated, second clamping part is slidably mounted on the linkage section, and second clamping part is in the company
Connect the sliding in section so that the clamping part far from or close to the hanging wire section；When second clamping part is close to the hanging wire section
When, the holding tank for clamping conducting wire is formed between the hanging wire section and second clamping part；It is installed in the control cabinet
It is sequentially connected with second clamping part, for controlling the control device of the second clamping part sliding, operating stick passes through control cabinet bottom
Portion connect with the control device and passes through the control device control the second clamping part sliding.Operating stick to control device into
Row control so that the second clamping part along linkage section close to or far from hanging wire section so that holding tank conducting wire is formed clamp or
Person pine is from state.The earthing clamp modular construction is simple, and the rapid and convenient ground connection of vertical direction conducting wire may be implemented.
Detailed description of the invention
It, below will be to use required 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 the scope of the utility model as.
Fig. 1 is the front schematic view of the earthing clamp component of the utility model；
Fig. 2 is the side structure schematic diagram of the earthing clamp component of the utility model.
Main element symbol description:
110- hanging wire section；111- linkage section；112- holding tank；120- control cabinet；130- sealing plate；The second clamping part of 140-；
124- threaded rod；310- connecting rod；320- guard bar；121- first bevel gear；122- second bevel gear；123- wiring hole.
Specific embodiment
Hereinafter, the various embodiments of the utility model will be described more fully.The utility model can have various realities
Example is applied, and can adjust and change wherein.It should be understood, however, that: there is no limit the various embodiments of the utility model
In the intention of specific embodiment disclosed herein, but the utility model should be interpreted as covering falling into the various of the utility model
All adjustment, equivalent and/or optinal plan in the spirit and scope of embodiment.
It hereinafter, can the term " includes " used in the various embodiments of the utility model or " may include " instruction institute
Disclosed function, operation or the presence of element, and the increase of one or more functions, operation or element is not limited.In addition,
As used in the various embodiments of the utility model, term " includes ", " having " and its cognate are meant only to indicate specific
Feature, number, step, operation, the combination of element, component or aforementioned item, and be understood not to exclude one or first
A number of other features, number, step, operation, element, component or aforementioned item combined presence or increase one or more spies
Sign, number, step, operation, element, component or aforementioned item combination a possibility that.
In the various embodiments of the utility model, statement " A or/and B " includes any combination of the text listed file names with
Or all combinations, such as, it may include A, it may include B or may include A and B both.
The statement (" first ", " second " etc.) used in the various embodiments of the utility model can be modified various
Various constituent element in embodiment, but respective sets can not be limited into element.For example, the above statement is not intended to limit the element
Sequence and/or importance.The above statement is only used for the purpose for differentiating an element and other elements.For example, first uses
Family device and second user device indicate different user device, although the two is all user apparatus.For example, practical not departing from
In the case where the range of novel various embodiments, first element is referred to alternatively as second element, and similarly, second element can also quilt
Referred to as first element.
It should also be noted that in the present invention, unless otherwise specific regulation and definition, " installation ", " connection ", " fixation "
Equal terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection or being integrally connected；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be and be directly connected to, and can be indirectly connected through an intermediary；It can be
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the present invention, those skilled in the art are it is to be appreciated that indicating position or position in text
The term of relationship is orientation based on the figure or positional relationship, is merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
The term used in the various embodiments of the utility model is used only for the purpose of describing specific embodiments and simultaneously
It is not intended to the various embodiments of limitation the utility model.Unless otherwise defined, otherwise all terms used herein (including skill
Art term and scientific term) have and the various embodiment one skilled in the art of the utility model are normally understood contains
The identical meaning of justice.The term (term such as limited in the dictionary generally used) be to be interpreted as have to related
The identical meaning of situational meaning in technical field and Utopian meaning will be interpreted as having or too formal contained
Justice, unless being clearly defined in the various embodiments of the utility model.
Please refer to Fig. 1 and Fig. 2, a kind of earthing clamp component, including the first clamping part, the second clamping part 140, control cabinet
120 and operating stick, first clamping part includes hanging wire section 110 and linkage section 111, described 111 one end of linkage section and the extension
Line segment 110 connects, and the other end is connect with the control cabinet 120, and second clamping part 140 is slidably mounted in the connection
In section 111, sliding of second clamping part 140 on the linkage section 111 is so that second clamping part 140 is separate or lean on
The nearly hanging wire section 110；When second clamping part 140 is close to the hanging wire section 110, the hanging wire section 110 and described the
The holding tank 112 for clamping conducting wire is formed between two clamping parts 140；It is installed in the control cabinet 120 and second folder
The control device that portion 140 is sequentially connected and slides for controlling the second clamping part 140 is held, the operating stick passes through the control cabinet
120 bottoms connect with the control device and pass through the control device control the second clamping part 140 sliding.Pass through operating stick
Control device is controlled so that second clamping part 140 along linkage section 111 close to or far from hanging wire section 110, institute
It states the holding tank 112 that is formed between hanging wire section 110 and second clamping part 140 conducting wire is formed and clamp or loose from state.
The earthing clamp modular construction is simple, is particularly suitable for vertical lead wire ground connection, the rapid and convenient of vertical direction conducting wire may be implemented
Ground connection.
Optionally, one end of second clamping part 140 is provided with the bayonet of recess, and the linkage section 111 is embedded in described
Bayonet makes second clamping part 140 sliding to the direction far from or close to the hanging wire section 110 along the linkage section 111
It is dynamic.
In the present embodiment, first clamping part is an integral molding structure with control cabinet 120, so that the second clamping part
140 can be along 111 Stable sliding of linkage section of the first clamping part.
Optionally, the control device include threaded rod 124, first bevel gear 121 and with the first bevel gear 121
The pivot center of the second bevel gear 122 of engagement, the first bevel gear 121 and second bevel gear 122 is mutually perpendicular to, and described
One bevel gear 121 is equipped with threaded hole, and the threaded rod 124 screws in the threaded hole, by the first bevel gear 121 and institute
The connection of the second clamping part 140 is stated, the bottom surface that the operating stick passes through the control cabinet 120 is connect with the second bevel gear 122.
It is different with the straight line connection structure of wire clip body from traditional operating stick when carrying out ground connection operation, it is specific at this
In embodiment, by the first bevel gear 121 and second bevel gear 122 of engagement, realize that control cabinet 120 is vertical with operating stick
Connection, rotation process bar drive the second bevel gear 122 to rotate, and the second bevel gear 122 drives 121 turns of first bevel gear
It is dynamic, and then push the second clamping part 140 to slide toward 110 direction of hanging wire section by threaded rod 124 so that hanging wire section 110 with
The holding tank 112 that second clamping part 140 is formed can clamp conducting wire, reversely rotate operating stick, the second clamping part 140 is to far from extension
The sliding of 110 direction of line segment, loosens conducting wire.Operator is set fast and easily to complete the ground connection of vertical direction conducting wire.
Optionally, forged steel, cast steel, casting can be used in the manufacture material of the first bevel gear 121 and second bevel gear 122
Iron.Due to gear-driven characteristic, the flank of tooth of gear needs wear-resistant, anti-spot corrosion with higher, anti-bonding and anti-plasticity to become
The ability of shape, while tooth root will have higher resistance to fracture.
In the present embodiment, the manufacture material of the first bevel gear 121 and second bevel gear 122 is cast iron quality,
Specially gray cast iron.The general name for the alloy that cast iron is mainly made of iron, carbon and silicon, gray cast iron phosphorus content it is higher (2.7%~
4.0%), carbon mainly exists in the form of flake graphite, fracture gray, abbreviation gray iron.Fusing point is low (1145~1250 DEG C), solidification
When shrinkage it is small, close to carbon steel, damping property is good for compression strength and hardness.Since flake graphite exists, therefore wearability is good.Casting
Performance and machinability are good.
In other embodiments, the manufacture of the first bevel gear 121 and second bevel gear 122 uses forged steel or casting
Steel.
In the present embodiment, the first bevel gear 121, second bevel gear 122 are right angle bevel gear.
In other embodiments, the first bevel gear 121, second bevel gear 122 are spiral bevel gear.
Optionally, first clamping part is aluminum alloy material.
Optionally, second clamping part 140 is aluminum alloy material.
Optionally, the control cabinet 120 is aluminum alloy material.
Using aluminium alloy as the first clamping part, the second clamping part 140, control cabinet 120 making material so that ground line
Clip assembly has excellent electric conductivity, corrosion stability, while light-weight, convenient for taking and operating.
Optionally, the end bend of the hanging wire section 110 forms the wire-hanging hook for hooking conducting wire.
Optionally, the hanging wire section 110 forms jagged wire-hanging hook, can increase conducting electric current with the close clamping of conducting wire,
Prevent shelf depreciation from aoxidizing.
Optionally, second clamping part 140 be recessed close to the one side of hanging wire section 110 to be formed for the hanging wire section
110 cooperatively form the semi-moon shaped auxiliary section of the holding tank 112.
112 approximate ellipsoidal of holding tank formed between the hanging wire section 110 and the second clamping part 140, size and corresponding
The diameter of wire of voltage class matches, and can be realized the steady contact with conducting wire.
Optionally, the threaded rod 124 is equipped with close to the end of threaded hole for preventing threaded rod 124 from falling off from threaded hole
Spacing collar.The spacing collar ensures that threaded rod 124 will not be deviate from from the threaded hole of first bevel gear 121, plays limit and makees
With.
Optionally, the company for being used to install the control device that side is extended to from top surface is provided on the control cabinet 120
Connectivity slot inside and outside logical control cabinet 120, the bottom surface of the control cabinet 120 are provided with the operating stick passes through first logical for allowing
Hole, the control cabinet 120 are equipped with another opposite side of the side for being provided with the connectivity slot for allowing the spiral shell
The second through-hole that rasp bar 124 passes through.
Optionally, the earthing clamp component further includes the sealing plate 130 for sealing waterproof, and the connectivity slot is equipped with close
Seal, the sealing plate 130 are fastened in the sealing ring.Compared to integrally formed control cabinet 120, the setting of the connectivity slot
Convenient for the control device being placed in control cabinet 120 is installed or is overhauled.Sealing ring is provided on connectivity slot, pass through by
Sealing plate 130 is fastened in sealing ring, and control device can be sealed in 120 the inside of control cabinet, it is anti-can to play good sealing
Water effect, prevents first bevel gear 121 from getting rusty with second bevel gear 122, guarantees the smooth of ground connection process.Work as earthing clamp simultaneously
When something goes wrong, the sealing plate 130 is opened from sealing ring for component, can Quick overhaul control device.
Optionally, the both ends of the sealing plate 130 are equipped with the first tapped through hole, and the connectivity slot corresponds on the sealing plate 130
The position of threaded hole be equipped with the second tapped through hole, the sealing plate 130 is connected through a screw thread with the control cabinet 120.
Optionally, the sealing plate 130 is made of aluminum alloy material.
Optionally, the sealing plate 130 is L-type sealing plate.
Optionally, the control cabinet 120 further includes that the conducting wire for clamping to clamped slot 112 provides the ground connection of ground connection
Portion, the grounding parts are equipped with the wiring hole 123 for connecting ground line.The setting of the wiring hole 123 facilitates tearing open for ground line
It connects and replaces.The ground line is the naked annealed copper wire of multiply, and outside is cased with pyrocondensation silicone rubber sleeve.
Optionally, the operating stick includes guard bar 320 and connecting rod 310, and the guard bar 320 is such as high by insulating materials
Molecule carbon fibre material is made, and described 310 one end of connecting rod is sheathed in the guard bar 320, and the other end is logical with described first
Hole connection.The length of the guard bar 320 will be considerably longer than the length of the connecting rod 310, facilitate hand can while taking operation
Cause insulation insufficient to prevent user from touching connecting rod 310 and get an electric shock.
The guard bar 320 is provided with close to the position of connecting rod 310 for warning described in user not directly touches
Perhaps the retaining ring limit mark or retaining ring are used to that user to be warned not cross guard bar 320 the limit mark of connecting rod 310
Connecting rod 310 is directly touched, user's electric shock is avoided to cause danger.
Optionally, the guard bar 320 is provided with antiskid thread, the setting of antiskid thread far from one end of connecting rod 310
It is the frictional force for increasing manpower Yu guard bar 320, operator is made to be more convenient rotation process bar.
Optionally, the diameter of the guard bar 320 is greater than the diameter of the connecting rod 310, and the connecting rod 310 is sheathed on
In the guard bar 320.
Optionally, the connecting rod 310 is made of aluminum alloy materials.
When being grounded, wiring hole 123 on control cabinet 120 connects copper wire, by the wire-hanging hook of hanging wire section 110 and the
The holding tank 112 formed between two clamping parts 140 is buckled on the conducting wire for needing to be grounded, and rotation process bar drives the second cone tooth
122 rotation of wheel, the second bevel gear 122 drive first bevel gear 121 to rotate, and then push the second folder by threaded rod 124
It holds portion 140 to slide toward 110 direction of hanging wire section, so that holding tank 112 can clamp conducting wire.Similarly, when no longer needing to leading
When line is grounded, operating stick is reversely rotated, the second clamping part 140 is slided to far from 110 direction of hanging wire section, 112 pine of holding tank
It is de-, so that the no longer clamped slot 112 of conducting wire clamps, earthing clamp component can be removed, it is simple and convenient.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to the scope of the utility model.It should be pointed out that coming to those skilled in the art
It says, various other corresponding changes and deformation can be made according to the above description of the technical scheme and ideas, and all this
A little changes and deformation all should belong within the protection scope of the utility model claims.
Claims (7)
1. a kind of earthing clamp component, which is characterized in that including the first clamping part, the second clamping part, control cabinet and operating stick, institute
Stating the first clamping part includes hanging wire section and linkage section, and described linkage section one end is connect with the hanging wire section, the other end and the control
Case connection processed, second clamping part are slidably mounted on the linkage section, and second clamping part is in the linkage section
On sliding so that the clamping part far from or close to the hanging wire section；When second clamping part is close to the hanging wire section,
The holding tank for clamping conducting wire is formed between the hanging wire section and second clamping part；It is installed in the control cabinet and institute
The control device that the second clamping part is sequentially connected and is used to control the sliding of the second clamping part is stated, the operating stick passes through the control
Bottom portion connect with the control device and passes through the control device control the second clamping part sliding；
It is provided on the control cabinet from top surface and is extended to inside and outside the connection control cabinet for installing the control device of side
Connectivity slot；The earthing clamp component further includes the sealing plate for sealing waterproof, and the connectivity slot is equipped with sealing ring, the envelope
Plate is fastened in the sealing ring；
The control device includes threaded rod, first bevel gear and the second bevel gear engaged with the first bevel gear, institute
The pivot center for stating first bevel gear and second bevel gear is mutually perpendicular to, and the first bevel gear is equipped with threaded hole, the spiral shell
Rasp bar screws in the threaded hole, and the first bevel gear is connect with second clamping part, and the operating stick passes through described
The bottom surface of control cabinet is connect with the second bevel gear, and the threaded rod is equipped with close to the end of threaded hole for preventing threaded rod
The spacing collar to fall off from threaded hole.
2. earthing clamp component according to claim 1, which is characterized in that one end of second clamping part is provided with recessed
Sunken bayonet, the linkage section make second clamping part can be along the linkage section to separate or close embedded in the bayonet
It slides in the direction of the hanging wire section.
3. earthing clamp component according to claim 2, which is characterized in that the bottom surface of the control cabinet is provided with for allowing
The first through hole that the operating stick passes through, another opposite side with the side for being provided with the connectivity slot of the control cabinet
Equipped with the second through-hole for allowing the threaded rod to pass through.
4. earthing clamp component according to claim 1, which is characterized in that the control cabinet further includes for clamped
The conducting wire of slot clamping provides the grounding parts of ground connection, and the grounding parts are equipped with the wiring hole for connecting ground line.
5. earthing clamp component according to claim 3, which is characterized in that the operating stick includes guard bar and connect
Bar, the guard bar are made of insulating material, and described connecting rod one end is sheathed in the guard bar, the other end and described first
Through-hole connection.
6. earthing clamp component according to claim 1, which is characterized in that the end bend formation of the hanging wire section is used for
Hook the wire-hanging hook of conducting wire.
7. earthing clamp component according to claim 1, which is characterized in that second clamping part is close to the one of hanging wire section
Face is recessed the semi-moon shaped auxiliary section to be formed for cooperatively forming the holding tank with the hanging wire section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821611843.5U CN209249729U (en) | 2018-09-29 | 2018-09-29 | A kind of earthing clamp component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821611843.5U CN209249729U (en) | 2018-09-29 | 2018-09-29 | A kind of earthing clamp component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209249729U true CN209249729U (en) | 2019-08-13 |
Family
ID=67518951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821611843.5U Active CN209249729U (en) | 2018-09-29 | 2018-09-29 | A kind of earthing clamp component |
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| Country | Link |
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| CN (1) | CN209249729U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832329A (en) * | 2018-09-29 | 2018-11-16 | 广东电网有限责任公司 | A kind of earthing clamp component |
| CN110752531A (en) * | 2019-11-28 | 2020-02-04 | 国网江苏省电力有限公司无锡供电分公司 | Multifunctional overhaul tool for transformer substation |
-
2018
- 2018-09-29 CN CN201821611843.5U patent/CN209249729U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832329A (en) * | 2018-09-29 | 2018-11-16 | 广东电网有限责任公司 | A kind of earthing clamp component |
| CN110752531A (en) * | 2019-11-28 | 2020-02-04 | 国网江苏省电力有限公司无锡供电分公司 | Multifunctional overhaul tool for transformer substation |
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