CN109119773B - A kind of ground connection earth anchor - Google Patents
A kind of ground connection earth anchor Download PDFInfo
- Publication number
- CN109119773B CN109119773B CN201810838980.0A CN201810838980A CN109119773B CN 109119773 B CN109119773 B CN 109119773B CN 201810838980 A CN201810838980 A CN 201810838980A CN 109119773 B CN109119773 B CN 109119773B
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- China
- Prior art keywords
- pressure cap
- anchor pole
- stud
- ground
- terminal plate
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
Abstract
The invention discloses a kind of ground connection earth anchors, including ground anchor pole and the wire connecting portion being installed on ground anchor pole, are provided with spiral spiral cord on the side on the downside of described ground anchor pole；Be further fixed on the side of described ground anchor pole it is a plurality of be in vertical bar shape vertical cord, the axis direction of the length direction of the vertical cord each parallel to ground anchor pole；It further include opening up porose sliding sleeve thereon, the hole includes the rounded main hole in section and cross sectional shape and the matched side slot of vertical cord cross sectional shape, the side slot position is in the edge of main hole, the quantity of side slot is consistent with the quantity of vertical cord, the sliding sleeve is sheathed on ground anchor pole by hole thereon, and a vertical cord is embedded in each side slot；It further include the turning handle that one end is fixedly connected with sliding sleeve side；It further include for realizing the locking device of earth anchor rod axis direction position locking is slided over.This earth anchor is easy to anchor into underground, can effectively promote property easy to use.
Description
Technical field
The present invention relates to arrangements of electric connection technical fields, more particularly to a kind of ground connection earth anchor.
Background technique
During operation and maintenance, generally requiring to add ground connection earth anchor to realize is for existing electric system, electrical equipment
System ground connection electrical connection, equipment ground electrical connection, such as: carry out cable maintenance process in, for ensure service personnel personal safety,
It is required that must be grounded to by maintenance route before maintenance, to avoid service personnel during the work time because of long-range mistake
Power transmission causes electric shock；Electrical test ground connection when zero；Building lightning protection earthing when zero；Electric leakage ground connection etc. when equipment zero.
It is general that the earth is anchored into using ground anchor pole in the case where not having pre-buried ground connection anchor in the above ground connection earth anchor, pass through
Lead wire connection complete it is corresponding by maintenance route, by the device of carry out electrical test, lightning conducter, to be implemented electric leakage anti-
The equipment of shield and the connection of ground anchor pole.
The structure design for advanced optimizing ground connection earth anchor, is grounded earth anchor property easy to use to be promoted, is those skilled in the art
Member institute urgent problem to be solved.
Summary of the invention
It is this field to promote earth anchor property easy to use for the structure design for advanced optimizing earth anchor set forth above
Technical staff institute urgent problem to be solved, the present invention provides a kind of ground connection earth anchor, this earth anchor is easy to anchor into underground, can effectively mention
Rise property easy to use.
A kind of ground connection earth anchor, the side including ground anchor pole and the wire connecting portion being installed on ground anchor pole, on the downside of described ground anchor pole
On be provided with spiral spiral cord；
It is further fixed on the side of described ground anchor pole a plurality of in the vertical cord of vertical bar shape, the length of the vertical cord
Axis direction of the direction each parallel to ground anchor pole；
The vertical cord is located at the top of spiral cord, and vertical cord is circular layout around the circumferential direction of ground anchor pole；
It further include opening up porose sliding sleeve thereon, the both ends of the hole perforation sliding sleeve on the sliding sleeve, the hole includes section
Rounded main hole and cross sectional shape and the matched side slot of vertical cord cross sectional shape, the side slot position is in main hole
Edge, the quantity of side slot is consistent with the quantity of vertical cord, and the sliding sleeve is sheathed on ground anchor pole by hole thereon, and each
A vertical cord is embedded in the slot of side；
It further include the turning handle that one end is fixedly connected with sliding sleeve side；
It further include for realizing the locking device of earth anchor rod axis direction position locking is slided over, the locking device includes
The holding screw being threadedly connected on sliding sleeve and the annular groove being arranged on earth anchor bar side face, the holding screw can be by sliding sleeves
Outside extends in the main hole, and in the embeddable annular groove of holding screw；
The quantity of the annular groove is multiple, and annular groove is successively arranged along the axis direction of ground anchor pole.
In the present solution, setting spiral cord and turning handle for realizing: by rotationally anchor pole, so that ground anchor pole is rotating
During by spiral cord for ground anchor pole provide insertion thrust in the form of, ground anchor pole is constantly embedded in ground under the action of torque
Under, to obtain the ground good earthing effect of anchor pole.Insertion especially suitable for hard ground Shangdi anchor pole.
In the present solution, being set as that also there is vertical cord on the side of ground anchor pole, erected in this way, may make and have on ground anchor pole
It is in spline shaft-like to the paragraph of cord, and in the design of the structure of sliding sleeve, it is respectively embedded into a side slot, is made by vertical cord
Torque can be transmitted by obtaining between sliding sleeve and ground anchor pole.Meanwhile turning handle is cooperated with ground anchor pole by sliding sleeve, vertical cord indirectly, is made
Ground anchor pole in anchoring into surface process, can be slided by sliding sleeve along the axis direction of ground anchor pole so that turning handle and ground it
Between keep certain altitude range to reach people convenient to use to facilitate this ground connection earth anchor user of service to apply torque on turning handle
Member anchors into the effect of ground anchor pole.
In the present solution, the annular groove is to be provided on the side of ground anchor pole, extend along the circumferential direction of ground anchor pole
Slot, as on anchor pole annular groove position earth anchor rod segment it is rounded when, be set as the axis and ground anchor pole of annular groove
Axis collinear is set as further including locking device, in the above locking device, by rotating holding screw, in holding screw
After going deep into one end insertion annular groove of sliding sleeve, can be cut by holding screw at this time to constrain and slide over earth anchor rod axis direction
On position, locking device is in the lock state at this time；After rotation holding screw makes holding screw exit annular groove, sliding sleeve
Restoring can be along the state slided above earth anchor rod axis, and locking device is in the unlocked state at this time.Under the above unlocked state,
Height of the turning handle away from ground can be changed in operator, in the locked state, operator can by hand, foot, other weights etc., to
Turning handle applies downward pressure, forces that ground anchor pole can be embedded into earth's surface or less deeper in the highly efficient direction under in depth
Position.
In the present solution, it is multiple for being set as annular groove, and multiple annular grooves are successively arranged along the axial direction of ground anchor pole,
In this way, can ground anchor pole be embedded in underground during, cooperate by adjusting holding screw from different annular grooves, come match turning handle and
The distance between ground applies pressure and application torque to facilitate.
As those skilled in the art, by the way that the annular for cooperating with holding screw is arranged on the side of ground anchor pole
Slot, the actually above annular groove are the setting form of preferred slot: as long as the end of holding screw is towards not towards vertical rib
Item may make the pressure that holding screw transmitting vertical direction is realized in holding screw insertion annular groove.
Preferably, being set as holding screw is more, and more holding screws are uniformly distributed relative to the axis annular of ground anchor pole,
In this way, can get better coaxial situation between sliding sleeve and ground anchor pole by adjusting each holding screw, the convenient turning handle that passes through applies
Torque and pressure.
As those skilled in the art, this ground connection earth anchor is after ground anchor pole is embedded in underground, since spiral cord has centainly
Characteristic of loosening the soil, the soil being preferably arranged to before being grounded earth anchor use around anchor pole over the ground is tamped, to guarantee earth anchor
The ground connection performance of bar.
Further technical solution are as follows:
The wire connecting portion includes terminal plate and wire portion, and the wire portion includes stud, pressure cap and lead wire, the wiring
Plate is electrically connected with ground anchor pole, and one end of stud is fixed on terminal plate, and pressure cap is in sliding sleeve shape, and pressure cap is set on stud and pressure cap
Position on stud axis is adjustable, and the lead wire is held in the gap between terminal plate and pressure cap, and the pressure cap leans on
Multiple grooves are provided on the end face of one end of nearly terminal plate, each groove is equal are as follows: one end of groove and the centre bore phase on pressure cap
It connects, connects on the outside of the other end and pressure cap of groove；
The grove shaped circumferential is arranged on the end face of pressure cap；
The lead wire is twisted wire.
In the prior art, it for ground connection earth anchor, is generally detected as ground anchor pole with corresponding using ground anchor pole anchorage, lead wire
Repair route, by the device of carry out electrical test, lightning conducter, be implemented leakage protection equipment electric connection line.Consider
To the convenience in ground anchor pole anchorage, being traditionally arranged to be the connection relationship between ground anchor pole and lead wire is to be detachably connected relationship:
Before on ground, anchor pole anchors into ground, lead wire and ground anchor pole are detached from, and are anchored into and avoided ground anchor pole to anchor into process with easily anchor pole
In lead wire is damaged；The disengaging of lead wire and ground anchor pole is completed, first before the extraction of ground anchor pole to facilitate extraction earth anchor
Bar and avoid ground anchor pole withdrawal process in lead wire is damaged.
However, in the prior art, the connection type of the terminal plate and lead wire that generally use connects to be arranged on terminal plate
Line seat, the junction block include the plug wire cylinder in quarter bend shape, and plug wire cylinder is fixedly connected with terminal plate, and one is connected on plug wire cylinder
Or more line pressing bolts, it is connect by being drawn after lead wire is inserted into plug wire cylinder by line pressing bolt for lead wire application pressure realization
Line is fixedly connected with junction block.In the above connection type, due to the diameter of line pressing bolt should not be arranged it is too much, therefore actually
The diameter of line pressing bolt define between lead wire and plug wire cylinder, line pressing bolt with normal pressure area so that lead wire with
The connection reliability of junction block is poor, and link position resistance value of the lead wire on ground connection earth anchor is larger, not only bad for ground connection
The safety that earth anchor uses, while being unfavorable for being grounded the ground connection performance of earth anchor.
In the present solution, the twisted wire is stranded conductor, the wire portion on the terminal plate be on terminal plate for
The interconnecting piece of lead wire electrical connection: by changing position of the pressure cap on stud axis, spacing between pressure cap and terminal plate is realized
Adjustment, in this way, by end coiling one of lead wire around the lantern ring of stud, directly by the end bifurcated of lead wire simultaneously
So that stud is located in the prong of lead wire, is directly inserted into the end of lead wire in the gap of pressure cap and terminal plate, then adjust
Position of the pressure cap on stud axis can realize being electrically connected for lead wire and terminal plate by pressure cap and terminal plate.
In the present solution, be set as lead wire be twisted wire, in this way, not only using the flexibility of twisted wire facilitate ground connection earth anchor according to
Actual environment definitely anchor pole anchorage position, meanwhile, when being pressurized on lead wire by the shape for the paragraph that pressure cap and earth plate clamp
It is prone to deform, can reach the purpose for improving lead wire and pressure cap, lead wire and terminal plate contact area in this way；It is set as pressing
Cap also has groove on one end of terminal plate, can not only expand contact of the pressure cap corresponding end end with lead wire with upper groove
Area, while the position by limiting each groove both ends, multiple grooves are pressurized in lead wire and produce in the arrangement state of pressure cap end
After the shape that changes locally embedding groove, in the case where not removing pressure cap and stepping up to lead wire, it can avoid lead wire and pulling situation
Lower and terminal plate Joint failure.
To sum up, due to including groove on pressure cap, lead wire has the characteristics that connection is reliable on this ground connection earth anchor；Due to we
Lead wire directly can be contacted directly with terminal plate, pressure cap and stud in case, simultaneously as including groove on pressure cap, lead wire connects
It connects position and obtains bigger contact area due to being easier to, aloow the electric conductivity of ground connection earth anchor using the above structure more
For readily available guarantee.
Being preferably arranged to the lead wire is by strand copper wire twisted wire, in this way, can be optimized using the characteristics of copper wire mutability
Lead wire and terminal plate, stud, the electrical connection properties between pressure cap three.
As the specific implementation form of pressure cap, as the specific implementation form of pressure cap, the centre bore on the pressure cap is interior
Threaded hole, the pressure cap are threadedly connected on stud by the internal thread hole, and the groove is strip groove, and each groove
Length direction is respectively positioned on the radial direction of pressure cap.Using this programme, processing groove in the structure of existing nut can be obtained institute
Pressure cap is stated, while by rotation pressure cap, position adjustment of the pressure cap on stud can be realized.
It further include the nut being threadedly coupled with stud, the pressure cap is in stud axis as the specific implementation form of pressure cap
On position adjustment to realize the clamping to lead wire, and push pressure cap by the end of nut and realize: nut is in rotary course
When the middle side movement towards terminal plate place, the end of nut applies the power for forcing pressure cap to move towards side where terminal plate to pressure cap,
The material of the pressure cap be copper, the stud, nut material be carbon steel.In the present solution, the nut and stud can be used now
There are the carbon steel nut and carbon steel stud in technology for 8.8 grades, it is strong using the nut and Stud connection that are carbon steel using this programme
Spend high feature so that nut can be provided for pressure cap biggish pressure for force material be the pressure cap of copper be deformed and
Conducive to contact area, the contact area of pressure cap and nut for expanding pressure cap and lead wire, it is finally reached raising ground anchor pole and connects with drawing
The purpose of line electrical connection properties.Compared to directly adopt material be copper pressure cap as nut, can avoid corresponding to copper spiral shell
Line is because the mechanical strength problem poor compared to carbon steel causes pressure cap cannot with Stud connection failure or pressure cap in rotary course
It is set as compared to the stud and nut for carbon steel, bigger clamping force can be provided to lead wire in favor of fitting area and makes
Lead wire is obtained preferably to be filled in groove.
Further include central tube as specific type of attachment of the pressure cap in the present apparatus, the stud close to terminal plate one
The side of side is shiny surface, and threaded post is arranged in far from the side of terminal plate in the external screw thread on stud；
Stud is that the outer diameter of the side of shiny surface is greater than the outer diameter of thread segment on stud；
The center sleeve is set to stud on one end of terminal plate, the paragraph on stud for cooperating with central tube
Outer diameter is equal with the internal diameter of central tube；
The length for being shorter in length than centre bore on pressure cap of the central tube；
The pressure cap is set on central tube；
The hardness of the central tube is greater than the hardness of pressure cap.In the present solution, the stud is that side is provided with external screw thread, separately
Side is polished rod, and the end of side is fixedly connected with terminal plate where polished rod on stud, that is, those skilled in the art is used as, with glazing
Sliding surface only actually is relative to more smooth with externally threaded side side, outside the inside and polished rod to make central tube
Side electric conductivity is more preferable, and the surface roughness value for being preferably arranged to the shiny surface is Ra12.5 or is less than Ra12.5, center
The inner surface roughness value of cylinder is Ra12.5 or is less than Ra12.5.
In the present solution, the length for being shorter in length than centre bore on pressure cap of central tube is set as, in this way, mentioning in nut for pressure cap
When for pressure, pressure cap may make first to be in contact with the end of nut relative to central tube and central tube is avoided to influence pressure cap stress
Deformation；It is set as pressure cap to be located on stud by center sleeve, and stud is the outer diameter of the side of shiny surface greater than spiral shell on stud
The outer diameter of line section, and the hardness of central tube is greater than the hardness of pressure cap, can avoid pressure cap and is directly adhered to after generating plastic deformation
Pressure cap is influenced on stud by separating in the present apparatus, i.e., present solution provides the schemes that a kind of pressure cap is consumptive material, in this ground connection earth anchor
Nut is relaxed after completing single ground connection, then by may make both pressure cap and central tube relative relaxation, central tube as tapped
With both studs relative relaxation, the case where both central tube and stud relative relaxation, can be by both central tube and pressure cap Adhesion formation
Assembly by after being removed on stud again by tap etc. realize central tube recycling.The structure design of this scheme can be effective
Avoid removal pressure cap that the screw thread on stud is caused to be destroyed.The copper material different from pressure cap material can be used in the above central tube, can
Using carbon steel, stainless steel etc..The for the benefit of electric conductivity and material cost of central tube, it is preferred to use carbon steel or copper material.
To make pressure cap and central tube all have ideal electric conductivity, it is arranged are as follows: the pressure cap and central tube are copper
Ring.As those skilled in the art, in the prior art, copper material classification includes common and common red copper, brass, oxygen-free copper etc.,
The above red copper, brass, oxygen-free copper etc. are not fine copper, and above-described copper material, copper ring are substantially in accordance with hardness as required
It is required that the copper middle progress type selecting of material in the prior art.
To enable pressure cap that there is bigger contact area close to one end of lead wire and lead wire, while making pressure cap
One end close to terminal plate is under the action of nut, radial direction in pressure cap end, between pressure cap end each point and lead wire
More uniform pressure is all had to obtain lead wire and the bigger conductive area of pressure cap, is arranged are as follows: the pressure cap is in the frustum of a cone
Shape, the centre bore on pressure cap run through the both ends of pressure cap, and the biggish one end of pressure cap face area is towards terminal plate.
To make as that can be conducive to draw connect by packing carbon powder in the gap between lead wire and pressure cap, terminal plate, stud
Electrical connection properties between line and ground anchor pole, the wire portion further include cartridge, and the cartridge is fixedly connected with terminal plate,
The stud, pressure cap are respectively positioned in cartridge.This programme when in use, is used to contain carbon dust in the cartridge.
Wire portion be it is multiple, each cartridge is in the container-like of direction that be open, and is provided in the box wall of each cartridge
Connecting groove；
Communicating passage of the connecting groove as cartridge medial and lateral, the lead wire on each wire portion is by corresponding to connecting groove
It introduces in cartridge, the upper end of cartridge where the notch end of each connecting groove is respectively positioned on；
The connecting position for opening up position and being respectively positioned on each cartridge and terminal plate of connecting groove on each cartridge.In the present solution,
Be set as the wire portion be it is multiple, in this way, convenient for multiple lead wire tie points are obtained on terminal plate with realize ground anchor pole with
By maintenance route, by the device of carry out electrical test, lightning conducter, be implemented the equipment of leakage protection and drawn by more and connect
Line is connected；With realize ground anchor pole with more or it is multiple by maintenance route, by the device of carry out electrical test, lightning conducter,
The equipment for being implemented leakage protection is connected by single or more lead wire, while may make what each lead wire was connect with ground anchor pole
Terminals without influence, are easy to implement each lead wire and connect with the ground equal high quality of anchor pole between each other.
As a kind of connection scheme being easily achieved and can guarantee electrical connection properties, setting are as follows: one end of the stud is logical
It crosses welded connecting to be connected with terminal plate, the terminal plate is connected by being welded to connect with ground anchor pole；
To avoid pressure cap during squeezing lead wire, composition lead wire is caused because lead wire local pressure is excessive
Solid conductor be cut off and influence lead wire and ground anchor pole electrical connection quality, setting are as follows: the groove face and pressure cap of the groove
End face smoothly transit.
Preferably, it is embedded into earth's surface an or less depthkeeping to enable ground anchor pole more easily to pass through hard ground
Degree, setting are as follows: the lower end of described ground anchor pole is tip.In the present solution, applying torque on ground anchor pole by the turning handle, can make
Ground anchor pole is obtained to be guided from spiral cord and be easily embedded in underground in the course of rotation；It is embedding that ground anchor pole can be reduced with upper prong
Resistance during entering.
The invention has the following advantages:
In the present solution, setting spiral cord and turning handle for realizing: by rotationally anchor pole, so that ground anchor pole is rotating
During by spiral cord for ground anchor pole provide insertion thrust in the form of, ground anchor pole is constantly embedded in ground under the action of torque
Under, to obtain the ground good earthing effect of anchor pole.Insertion especially suitable for hard ground Shangdi anchor pole.
In the present solution, being set as that also there is vertical cord on the side of ground anchor pole, erected in this way, may make and have on ground anchor pole
It is in spline shaft-like to the paragraph of cord, and in the design of the structure of sliding sleeve, it is respectively embedded into a side slot, is made by vertical cord
Torque can be transmitted by obtaining between sliding sleeve and ground anchor pole.Meanwhile turning handle is cooperated with ground anchor pole by sliding sleeve, vertical cord indirectly, is made
Ground anchor pole in anchoring into surface process, can be slided by sliding sleeve along the axis direction of ground anchor pole so that turning handle and ground it
Between keep certain altitude range to reach people convenient to use to facilitate this ground connection earth anchor user of service to apply torque on turning handle
Member anchors into the effect of ground anchor pole.
In the present solution, the annular groove is to be provided on the side of ground anchor pole, extend along the circumferential direction of ground anchor pole
Slot, as on anchor pole annular groove position earth anchor rod segment it is rounded when, be set as the axis and ground anchor pole of annular groove
Axis collinear is set as further including locking device, in the above locking device, by rotating holding screw, in holding screw
After going deep into one end insertion annular groove of sliding sleeve, can be cut by holding screw at this time to constrain and slide over earth anchor rod axis direction
On position, locking device is in the lock state at this time；After rotation holding screw makes holding screw exit annular groove, sliding sleeve
Restoring can be along the state slided above earth anchor rod axis, and locking device is in the unlocked state at this time.Under the above unlocked state,
Height of the turning handle away from ground can be changed in operator, in the locked state, operator can by hand, foot, other weights etc., to
Turning handle applies downward pressure, forces that ground anchor pole can be embedded into earth's surface or less deeper in the highly efficient direction under in depth
Position.
In the present solution, it is multiple for being set as annular groove, and multiple annular grooves are successively arranged along the axial direction of ground anchor pole,
In this way, can ground anchor pole be embedded in underground during, cooperate by adjusting holding screw from different annular grooves, come match turning handle and
The distance between ground applies pressure and application torque to facilitate.
As those skilled in the art, by the way that the annular for cooperating with holding screw is arranged on the side of ground anchor pole
Slot, the actually above annular groove are the setting form of preferred slot: as long as the end of holding screw is towards not towards vertical rib
Item may make the pressure that holding screw transmitting vertical direction is realized in holding screw insertion annular groove.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pressure cap in a kind of one specific embodiment of ground connection earth anchor of the present invention；
Fig. 2 is a kind of partial schematic diagram for being grounded one specific embodiment of earth anchor of the present invention, the partial schematic diagram
The structure and wire portion and terminal plate connection relationship of reflection wire portion；
Fig. 3 is a kind of structural schematic diagram for being grounded one specific embodiment of earth anchor of the present invention；
Fig. 4 is the cross-sectional view obtained in Fig. 3 along the direction A-A section view；
Fig. 5 is the structural schematic diagram of sliding sleeve in a kind of one specific embodiment of ground connection earth anchor of the present invention.
Appended drawing reference in figure is successively are as follows: 1, pressure cap, 11, groove, and 2, lead wire, 3, terminal plate, 4, cartridge, 41, connect
Wire casing, 5, nut, 6, central tube, 7, stud, 8, anchor pole, 81, annular groove, 9, turning handle, 91, vertical cord, 92, sliding sleeve, 93,
Holding screw, 94, side slot, 95, main hole, 10, spiral cord.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, but structure of the invention be not limited only to it is following
Embodiment.
Embodiment 1:
As shown in Figures 3 to 5, a kind of ground connection earth anchor, it is described including ground anchor pole 8 and the wire connecting portion being installed on ground anchor pole 8
Spiral spiral cord 10 is provided on the side of 8 downside of ground anchor pole；
It is further fixed on the side of described ground anchor pole 8 a plurality of in the vertical cord 91 of vertical bar shape, the vertical cord 91
Length direction each parallel to ground anchor pole 8 axis direction；
The vertical cord 91 is located at the top of spiral cord 10, and vertical cord 91 is around the circumferential direction ring of ground anchor pole 8
Shape arrangement；
It further include opening up porose sliding sleeve 92 thereon, the both ends of the hole perforation sliding sleeve 92 on the sliding sleeve 92, the hole packet
Include the rounded main hole 95 in section and cross sectional shape and the vertical matched side slot 94 of 91 cross sectional shape of cord, the side slot
94 are located at the edge of main hole 95, and the quantity of side slot 94 is consistent with the quantity of vertical cord 91, and the sliding sleeve 92 is by thereon
Hole be sheathed on ground anchor pole 8, and a vertical cord 91 is embedded in each side slot 94；
It further include the turning handle 9 that one end is fixedly connected with 92 side of sliding sleeve；
It further include the locking device locked for realizing sliding sleeve 92 in 8 axis direction position of ground anchor pole, the locking device
Including the holding screw 93 being threadedly connected on sliding sleeve 92 and the annular groove 81 being arranged on 8 side of ground anchor pole, the clamp screw
Nail 93 can be extended in the main hole 95 by the outside of sliding sleeve 92, and in the embeddable annular groove 81 of holding screw 93；
The quantity of the annular groove 81 is multiple, and annular groove 81 is successively arranged along the axis direction of ground anchor pole 8.
In the present solution, setting spiral cord 10 and turning handle 9 for realizing: by rotationally anchor pole 8, so that ground anchor pole 8
In the course of rotation in the form of spiral cord 10 provides insertion thrust for ground anchor pole 8, by ground anchor pole 8 under the action of torque
Constantly insertion underground, to obtain the ground good earthing effect of anchor pole 8.Insertion especially suitable for hard ground Shangdi anchor pole 8.
In the present solution, being set as that also there is vertical cord 91 on the side of ground anchor pole 8, have on ground anchor pole 8 in this way, may make
There is the paragraph of vertical cord 91 in spline shaft-like, and in the design of the structure of sliding sleeve 92, one is respectively embedded by vertical cord 91
In side slot 94, so that torque can be transmitted between sliding sleeve 92 and ground anchor pole 8.Meanwhile turning handle 9 and ground anchor pole 8 by sliding sleeve 92,
The vertical cooperation indirectly of cord 91, so that ground anchor pole 8 is in anchoring into surface process, it can be by sliding sleeve 92 along the axis of ground anchor pole 8
Direction sliding, so that keeping certain altitude range to facilitate this ground connection earth anchor user of service to turning handle 9 between turning handle 9 and ground
Upper application torque has the function that personnel convenient to use anchor into ground anchor pole 8.
In the present solution, the annular groove 81 is to be provided on the side of ground anchor pole 8, along the circumferential direction of ground anchor pole 8
The slot of extension, as on anchor pole 8 81 position of annular groove 8 sections of anchor pole it is rounded when, be set as the axis of annular groove 81
With the axis collinear of ground anchor pole 8, it is set as further including locking device, in the above locking device, by rotating holding screw
93, after one end that holding screw 93 gos deep into sliding sleeve 92 is embedded in annular groove 81, it can be cut at this time by holding screw 93 come about
Position of the beam sliding sleeve 92 on 8 axis direction of ground anchor pole, locking device is in the lock state at this time；Make in rotation holding screw 93
After holding screw 93 exits annular groove 81, sliding sleeve 92 restores to lock at this time along the state slided above 8 axis of ground anchor pole
Device is in the unlocked state.Under the above unlocked state, height of the turning handle 9 away from ground is can be changed in operator, in lock state
Under, operator can apply downward pressure to turning handle 9 by hand, foot, other weights etc., force ground anchor pole 8 can be more high
The direction under in depth of effect is embedded into the deeper position of earth's surface or less.
In the present solution, be set as annular groove 81 be it is multiple, and multiple annular grooves 81 along ground anchor pole 8 axial direction successively
Arrangement, in this way, can cooperate by adjusting holding screw 93 from different annular grooves 81, come during ground anchor pole 8 is embedded in underground
Matching the distance between turning handle 9 and ground applies pressure and application torque to facilitate.
As those skilled in the art, by the way that the ring for cooperating with holding screw 93 is arranged on the side of ground anchor pole 8
Shape slot 81, the actually above annular groove 81 are the setting form of preferred slot: as long as the end direction of holding screw 93 is not court
To vertical cord 91, it may make holding screw 93 is embedded in annular groove 81 to realize that holding screw 93 transmits the pressure of vertical direction
Power.
Preferably, being set as holding screw 93 is more, and axis annular of the more holding screws 93 relative to ground anchor pole 8
It is uniformly distributed, in this way, can get better coaxial situation between sliding sleeve 92 and ground anchor pole 8 by adjusting each holding screw 93, it is convenient logical
It crosses turning handle 9 and applies torque and pressure.
As those skilled in the art, this ground connection earth anchor is after ground anchor pole 8 is embedded in underground, since spiral cord 10 has one
Fixed characteristic of loosening the soil, the soil being preferably arranged to before being grounded earth anchor use around anchor pole 8 over the ground is tamped, to guarantee ground
The ground connection performance of anchor pole 8.
Embodiment 2:
As depicted in figs. 1 and 2, the present embodiment is further qualified on the basis of embodiment 1: the wire connecting portion includes connecing
Line plate 3 and wire portion, the wire portion include stud 7, pressure cap 1 and lead wire 2, and the terminal plate 3 is electrically connected with ground anchor pole 8,
One end of stud 7 is fixed on terminal plate 3, and pressure cap 1 is in 92 shape of sliding sleeve, and pressure cap 1 is set on stud 7 and pressure cap 1 is in 7 axis of stud
Position on line is adjustable, and the lead wire 2 is held in the gap between terminal plate 3 and pressure cap 1, and the pressure cap 1 leans on proximity
Multiple grooves 11 are provided on the end face of one end of line plate 3, each groove 11 is are as follows: one end and the center on pressure cap 1 of groove 11
Hole connects, and the other end of groove 11 connects with the outside of pressure cap 1；
The groove 11 is circular layout on the end face of pressure cap 1；
The lead wire 2 is twisted wire.
In the prior art, for ground connection earth anchor, it is general using ground 8 anchorage of anchor pole, lead wire 2 as ground anchor pole 8 with it is corresponding
By maintenance route, by the device of carry out electrical test, lightning conducter, be implemented leakage protection equipment electric connection line.
In view of the convenience in 8 anchorage of ground anchor pole, being traditionally arranged to be the connection relationship between ground anchor pole 8 and lead wire 2 is detachably to connect
Connect relationship: before ground anchor pole 8 anchors into ground, lead wire 2 and ground anchor pole 8 are detached from, and anchor into and avoid earth anchor with easily anchor pole 8
Bar 8 damages lead wire 2 during anchoring into；The disengaging of lead wire 2 and ground anchor pole 8 is first completed before the extraction of ground anchor pole 8,
It extracts ground anchor pole 8 to facilitate and avoids damaging lead wire 2 in ground 8 withdrawal process of anchor pole.
However, in the prior art, the connection type of the terminal plate 3 generally used and lead wire 2 is is arranged on terminal plate 3
Junction block, the junction block include the plug wire cylinder in quarter bend shape, and plug wire cylinder is fixedly connected with terminal plate 3, connects on plug wire cylinder
One or more line pressing bolts, by real for the application pressure of lead wire 2 by line pressing bolt after lead wire 2 is inserted into plug wire cylinder
Existing lead wire 2 is fixedly connected with junction block.In the above connection type, due to the diameter of line pressing bolt should not be arranged it is too much,
Therefore the diameter of actually line pressing bolt defines the area between lead wire 2 and plug wire cylinder, line pressing bolt with normal pressure, so that
Lead wire 2 and the connection reliability of junction block are poor, and link position resistance value of the lead wire 2 on ground connection earth anchor is larger, not only
It is unfavorable for being grounded the safety that earth anchor uses, while is unfavorable for being grounded the ground connection performance of earth anchor.
In the present solution, the twisted wire is stranded conductor, the wire portion on the terminal plate 3 is to be used on terminal plate 3
The interconnecting piece being electrically connected with lead wire 2: by changing position of the pressure cap 1 on 7 axis of stud, realize pressure cap 1 and terminal plate 3 it
Between spacing adjustment, in this way, by end coiling one of lead wire 2 around the lantern ring of stud 7, directly by lead wire 2
End bifurcated is simultaneously located at stud 7 in the prong of lead wire 2, directly by the end insertion pressure cap 1 and terminal plate 3 of lead wire 2
Gap in, then adjust position of the pressure cap 1 on 7 axis of stud, can realize lead wire 2 with terminal plate 3 by pressure cap 1 and connect
The electrical connection of line plate 3.
In the present solution, being set as lead wire 2 is twisted wire, in this way, not only facilitating ground connection earth anchor root using the flexibility of twisted wire
According to actual environment definitely 8 anchorage position of anchor pole, meanwhile, the shape of the paragraph clamped on lead wire 2 by pressure cap 1 and earth plate by
It is prone to deform when pressure, can reach the purpose for improving lead wire 2 and pressure cap 1, lead wire 2 and 3 contact area of terminal plate in this way；
Be set as pressure cap 1 also has groove 11 on one end of terminal plate 3, can not only expand 1 corresponding end end of pressure cap with upper groove 11
The contact area in portion and lead wire 2, while the position by limiting each 11 both ends of groove, multiple grooves 11 are in 1 end of pressure cap
Arrangement state, after the compression of lead wire 2 is deformed locally embedding groove 11, in the feelings for not removing pressure cap 1 and stepping up to lead wire 2
Under condition, can avoid lead wire 2 in dragging with 3 Joint failure of terminal plate.
To sum up, due to including groove 11 on pressure cap 1, lead wire 2 has the characteristics that connection is reliable on this ground connection earth anchor；Due to
Lead wire 2 directly can be contacted directly with terminal plate 3, pressure cap 1 and stud 7 in this programme, simultaneously as including groove on pressure cap 1
11,2 link position of lead wire obtains bigger contact area due to being easier to, and may make leading for ground connection earth anchor using the above structure
Electrical property can be more susceptible to be guaranteed.
Being preferably arranged to the lead wire 2 is by strand copper wire twisted wire, in this way, can be optimized using the characteristics of copper wire mutability
Lead wire 2 and terminal plate 3, stud 7, the electrical connection properties between 1 three of pressure cap.
Embodiment 3:
As shown in Figure 1, the present embodiment is further qualified on the basis of embodiment 2: the specific implementation shape as pressure cap 1
Formula, as the specific implementation form of pressure cap 1, the centre bore on the pressure cap 1 is internal thread hole, and the pressure cap 1 passes through described interior
Threaded hole is threadedly connected on stud 7, and the groove 11 is strip groove, and the length direction of each groove 11 is respectively positioned on pressure cap 1
Radial direction.Using this programme, processing groove 11 in the structure of existing nut can be obtained the pressure cap 1, pass through simultaneously
Pressure cap 1 is rotated, position adjustment of the pressure cap 1 on stud 7 can be realized.
Embodiment 4:
As shown in Fig. 2, the present embodiment is further qualified on the basis of embodiment 2: the specific implementation shape as pressure cap 1
Formula, further includes the nut 5 being threadedly coupled with stud 7, and position adjustment of the pressure cap 1 on 7 axis of stud is connect with realizing to drawing
The clamping of line 2, and pressure cap 1 is pushed by the end of nut 5 and is realized: nut 5 is transported in rotary course towards 3 place side of terminal plate
When dynamic, the end of nut 5 applies the power for forcing pressure cap 1 to move towards 3 place side of terminal plate to pressure cap 1, and the material of the pressure cap 1 is
Copper, the stud 7, nut 5 material be carbon steel.In the present solution, it is 8.8 that the nut 5 and stud 7 can be used in the prior art
The carbon steel nut 5 and carbon steel stud 7 of grade, using this programme, using the nut 5 and the high spy of 7 bonding strength of stud for being carbon steel
Point, so that nut 5 can be that pressure cap 1 provides biggish pressure for forcing the pressure cap 1 that material is copper to be deformed and be conducive to
Contact area, the contact area of pressure cap 1 and nut 5 for expanding pressure cap 1 and lead wire 2, be finally reached improve anchor pole 8 connect with drawing
The purpose of 2 electrical connection properties of line.It is used as nut compared to the pressure cap 1 that material is copper is directlyed adopt, can avoid corresponding to copper
Screw thread because the mechanical strength problem poor compared to carbon steel cause pressure cap 1 in rotary course with 7 Joint failure of stud or pressure cap 1
It cannot be set as compared to the stud 7 and nut 5 for carbon steel, bigger clamping force can be provided lead wire 2 in favor of fitting
Area and lead wire 2 is preferably filled in groove 11.
Embodiment 5:
As shown in Fig. 2, the present embodiment is further qualified on the basis of embodiment 4: as pressure cap 1 in the present apparatus
Specific type of attachment further includes central tube 6, and the side of side of the stud 7 close to terminal plate 3 is shiny surface, on stud 7
External screw thread is arranged on side of the threaded post far from terminal plate 3；
Stud 7 is that the outer diameter of the side of shiny surface is greater than the outer diameter of thread segment on stud 7；
The central tube 6 is sheathed on stud 7 on one end of terminal plate 3, is used to cooperate with central tube 6 on stud 7
The outer diameter of paragraph is equal with the internal diameter of central tube 6；
The length for being shorter in length than centre bore on pressure cap 1 of the central tube 6；
The pressure cap 1 is set on central tube 6；
The hardness of the central tube 6 is greater than the hardness of pressure cap 1.In the present solution, the stud 7 is that side is provided with outer spiral shell
Line, the other side are polished rod, and the end of side is fixedly connected with terminal plate 3 where polished rod on stud 7, that is, are used as those skilled in the art
Member, the above shiny surface only actually are relative to more smooth with externally threaded side side, to make in central tube 6
Side and polished rod outer conductive performance are more preferable, and the surface roughness value for being preferably arranged to the shiny surface is Ra12.5 or is less than
Ra12.5, the inner surface roughness value of central tube 6 are Ra12.5 or are less than Ra12.5.
In the present solution, the length for being shorter in length than centre bore on pressure cap 1 of central tube 6 is set as, in this way, being pressure in nut 5
When cap 1 provides pressure, it may make that pressure cap 1 is first in contact with the end of nut 5 relative to central tube 6 and avoids 6 shadow of central tube
Ring 1 stress deformation of pressure cap；It is set as pressure cap 1 to be set on stud 7 by central tube 6, and stud 7 is the outer of the side of shiny surface
Diameter is greater than the outer diameter of thread segment on stud 7, and the hardness of central tube 6 is greater than the hardness of pressure cap 1, can avoid pressure cap 1 and is generating modeling
Property deformation after be directly adhered on stud 7 influence pressure cap 1 by being separated in the present apparatus, i.e., present solution provides a kind of pressure cap 1 be consumption
The scheme of material relaxes nut 5 after this ground connection earth anchor completes single ground connection, then by may make pressure cap 1 in as tapped
The case where both both heart cylinders 6 relative relaxation, central tube 6 and studs 7 relative relaxation, both central tube 6 and stud 7 relative relaxation
It can be by the assembly of both central tube 6 and pressure cap 1 Adhesion formation by realizing central tube 6 by percussion etc. again after removing on stud 7
Recycling.The structure design of this scheme can effectively avoid removal pressure cap 1 and the screw thread on stud 7 caused to be destroyed.More than
Central tube 6 can be used the copper material different from 1 material of pressure cap, carbon steel, stainless steel can be used etc..The for the benefit of electric conductivity of central tube 6
Energy and material cost, it is preferred to use carbon steel or copper material.
To make pressure cap 1 and central tube 6 all have ideal electric conductivity, it is arranged are as follows: the pressure cap 1 and central tube 6 are equal
For copper ring.As those skilled in the art, in the prior art, copper material classification includes common and common red copper, brass, oxygen-free copper
Deng the above red copper, brass, oxygen-free copper etc. are not fine copper, and above-described copper material, copper ring are substantially in accordance with hard as required
Degree requires, the copper middle progress type selecting of material in the prior art.
To enable pressure cap 1 that there is bigger contact area close to one end of lead wire 2 and lead wire 2, make simultaneously
Pressure cap 1 close to one end of terminal plate 3 under the action of nut 5, radial direction in 1 end of pressure cap, 1 end each point of pressure cap with draw
More uniform pressure is all had between wiring 2 to obtain lead wire 2 and the bigger conductive area of pressure cap 1, is arranged are as follows: the pressure
Cap 1 is in circular cone shape, and the centre bore on pressure cap 1 runs through the both ends of pressure cap 1, and the biggish one end of 1 face area of pressure cap is towards wiring
Plate 3.
Embodiment 6:
As shown in figure 3, the present embodiment is further qualified on the basis of embodiment 2: to make such as lead wire 2 and pressure cap
1, the electrical connectivity between lead wire 2 and ground anchor pole 8 can be conducive to by packing carbon powder in the gap between terminal plate 3, stud 7
Can, the wire portion further includes cartridge 4, and the cartridge 4 is fixedly connected with terminal plate 3, and the stud 7, pressure cap 1 are respectively positioned on
In cartridge 4.This programme when in use, is used to contain carbon dust in the cartridge 4.
Wire portion be it is multiple, each cartridge 4 in the container-like of opening direction, and is respectively provided in the box wall of each cartridge 4
There is connecting groove 41；
Communicating passage of the connecting groove 41 as 4 medial and lateral of cartridge, the lead wire 2 on each wire portion are connect by correspondence
Wire casing 41 introduces in cartridge 4, the upper end of cartridge 4 where the notch end of each connecting groove 41 is respectively positioned on；
The connecting position for opening up position and being respectively positioned on each cartridge 4 and terminal plate 3 of connecting groove 41 on each cartridge 4.We
In case, it is multiple for being set as the wire portion, in this way, convenient for obtaining multiple 2 tie points of lead wire on terminal plate 3 to realize ground
Anchor pole 8 passes through with by maintenance route, by the device of carry out electrical test, lightning conducter, the equipment for being implemented leakage protection
More lead wires 2 are connected；With realize ground anchor pole 8 with more or it is multiple by maintenance route, by the equipment or dress of carry out electrical test
Set, lightning conducter, be implemented the equipment of leakage protection and be connected by single or more lead wire 2, at the same may make each lead wire 2 with
The terminals that ground anchor pole 8 connects without influence, are easy to implement each lead wire 2 and connect with the ground equal high quality of anchor pole 8 between each other.
Embodiment 7:
The present embodiment is further qualified on the basis of embodiment 2: being easily achieved as one kind and be can guarantee electrical connection
The connection scheme of performance, setting are as follows: one end of the stud 7 is connected by being welded to connect with terminal plate 3, and the terminal plate 3 is logical
Welded connecting is crossed to be connected with ground anchor pole 8；
To avoid pressure cap 1 during squeezing lead wire 2, composition is caused to draw because 2 local pressure of lead wire is excessive
The solid conductor of wiring 2 is cut off and influences the electrical connection quality of lead wire 2 and ground anchor pole 8, setting are as follows: the slot of the groove 11
Face and the end face of pressure cap 1 smoothly transit.
Preferably, such as Fig. 3 implementation, it is embedded into earth's surface to enable ground anchor pole 8 more easily to pass through hard ground
Following certain depth, setting are as follows: the lower end of described ground anchor pole 8 is tip.In the present solution, through the turning handle 9 on ground anchor pole 8
Apply torque, ground anchor pole 8 may make to be guided from spiral cord 10 and be easily embedded in underground in the course of rotation；The above point
End can reduce the resistance in ground 8 telescopiny of anchor pole.
Embodiment 8:
As shown in figure 3, the present embodiment is further qualified on the basis of any of the above one embodiment: to avoid wiring
Portion influences operation turning handle 9, is set as the top that wire connecting portion is located at vertical cord 91；For the benefit of sliding sleeve 92 with ground anchor pole 8 it is coaxial
Degree is set as the same paragraph that more vertical cords 91 are respectively positioned on ground anchor pole 8, and vertical cord 91 is in the circumferential direction side of ground anchor pole 8
Uniformly distributed to annular, the upper end of each vertical cord 91 flushes in the horizontal plane, the lower end of each vertical cord 91 flushes in the horizontal plane；
To reduce the lower end of vertical cord 91, anchor pole 8 is embedded in the influence of underground over the ground, and the lower end for being set as each vertical cord 91 is tip,
And the lower end of each vertical cord 91 and the side of ground anchor pole 8 are affixed.
The above content is combine specific preferred embodiment to the further description of the invention made, and it cannot be said that originally
The specific embodiment of invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs,
The other embodiments obtained in the case where not departing from technical solution of the present invention should be included in the protection scope of corresponding invention.
Claims (7)
1. a kind of ground connection earth anchor, including ground anchor pole (8) and the wire connecting portion being installed on ground anchor pole (8), which is characterized in that describedly
Spiral spiral cord (10) is provided on side on the downside of anchor pole (8)；
It is further fixed on the side of described ground anchor pole (8) a plurality of in the vertical cord (91) of vertical bar shape, the vertical cord
(91) axis direction of the length direction each parallel to ground anchor pole (8)；
The vertical cord (91) is located at the top of spiral cord (10), and vertical cord (91) is around the circumferential direction side of ground anchor pole (8)
To being circular layout；
It further include opening up thereon porose sliding sleeve (92), the both ends of hole perforation sliding sleeve (92) on the sliding sleeve (92), the hole
Including the rounded main hole in section (95) and cross sectional shape and the matched side slot (94) of vertical cord (91) cross sectional shape, institute
The edge that side slot (94) is located at main hole (95) is stated, the quantity of side slot (94) is consistent with the quantity of vertical cord (91), institute
It states sliding sleeve (92) to be sheathed on ground anchor pole (8) by hole thereon, and is embedded with a vertical cord in each side slot (94)
(91)；
It further include the turning handle (9) that one end is fixedly connected with sliding sleeve (92) side；
It further include the locking device locked for realizing sliding sleeve (92) in ground anchor pole (8) axis direction position, the locking device
Including the holding screw (93) being threadedly connected on sliding sleeve (92) and the annular groove (81) being arranged on ground anchor pole (8) side, institute
State holding screw (93) can be by extending in the main hole (95) on the outside of sliding sleeve (92), and the embeddable institute of holding screw (93)
It states in annular groove (81)；
The quantity of the annular groove (81) is multiple, and annular groove (81) is successively arranged along the axis direction of ground anchor pole (8)；
The wire connecting portion includes terminal plate (3) and wire portion, and the wire portion includes stud (7), pressure cap (1) and lead wire (2),
The terminal plate (3) is electrically connected with ground anchor pole (8), and one end of stud (7) is fixed on terminal plate (3), and pressure cap (1) is in sliding sleeve
Shape, pressure cap (1) is set on stud (7) and position of the pressure cap (1) on stud (7) axis is adjustable, and the lead wire (2) is pressed from both sides
It is held in the gap between terminal plate (3) and pressure cap (1), the pressure cap (1) is arranged on the end face of the one end of terminal plate (3)
Have multiple grooves (11), each groove (11) is equal are as follows: one end of groove (11) connects with the centre bore on pressure cap (1), groove (11)
The other end and pressure cap (1) on the outside of connect；
The groove (11) is circular layout on the end face of pressure cap (1)；
The lead wire (2) is twisted wire；
It further include the nut (5) being threadedly coupled with stud (7), position of the pressure cap (1) on stud (7) axis is adjusted with reality
Now to the clamping of lead wire (2), and pressure cap (1) is pushed by the end of nut (5) and is realized: nut (5) court in rotary course
When side where to terminal plate (3) moves, the end of nut (5) applies to pressure cap (1) forces pressure cap (1) towards terminal plate (3) place
The power of side movement, the material of the pressure cap are copper, the stud, nut material be carbon steel；
It further include central tube (6), the stud (7) is shiny surface close to the side of the side of terminal plate (3), on stud (7)
External screw thread setting is on the side of threaded post (7) far from terminal plate (3)；
Stud (7) is that the outer diameter of the side of shiny surface is greater than the outer diameter of thread segment on stud (7)；
The central tube (6) be sheathed on stud (7) close to terminal plate (3) one end on, on stud (7) for central tube (6)
The outer diameter of the paragraph of cooperation is equal with the internal diameter of central tube (6)；
The length for being shorter in length than centre bore on pressure cap (1) of the central tube (6)；
The pressure cap (1) is set on central tube (6)；
The hardness of the central tube (6) is greater than the hardness of pressure cap (1).
2. a kind of ground connection earth anchor according to claim 1, which is characterized in that the centre bore on the pressure cap (1) is interior spiral shell
Pit, the pressure cap (1) are threadedly connected on stud (7) by the internal thread hole, and the groove (11) is strip groove, and
The length direction of each groove (11) is respectively positioned on the radial direction of pressure cap (1).
3. a kind of ground connection earth anchor according to claim 1, which is characterized in that the pressure cap (1) and central tube (6) are copper
Ring.
4. a kind of ground connection earth anchor according to claim 1, which is characterized in that the pressure cap (1) is in circular cone shape, pressure cap
(1) centre bore on runs through the both ends of pressure cap (1), and pressure cap (1) biggish one end of face area is towards terminal plate (3).
5. a kind of ground connection earth anchor according to claim 1, which is characterized in that the wire portion further includes cartridge (4), institute
It states cartridge (4) to be fixedly connected with terminal plate (3), the stud (7), pressure cap (1) are respectively positioned in cartridge (4).
6. a kind of ground connection earth anchor according to claim 5, which is characterized in that wire portion be it is multiple, each cartridge (4) is in
The direction that is open it is container-like, and connecting groove (41) are provided in the box wall of each cartridge (1)；
Communicating passage of the connecting groove (41) as cartridge (4) medial and lateral, the lead wire (2) on each wire portion is by corresponding to
Connecting groove (41) introduces in cartridge (4), the upper end of cartridge (4) where the notch end of each connecting groove (41) is respectively positioned on；
The connecting position for opening up position and being respectively positioned on each cartridge (4) Yu terminal plate (3) of connecting groove (41) on each cartridge (4).
7. a kind of ground connection earth anchor as claimed in any of claims 2 to 6, which is characterized in that the stud (7)
One end is connected by being welded to connect with terminal plate (3), and the terminal plate (3) is connected by being welded to connect with ground anchor pole (8), described
The groove face of groove (11) and the end face of pressure cap (1) smoothly transit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810838980.0A CN109119773B (en) | 2018-07-27 | 2018-07-27 | A kind of ground connection earth anchor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810838980.0A CN109119773B (en) | 2018-07-27 | 2018-07-27 | A kind of ground connection earth anchor |
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| CN109119773B true CN109119773B (en) | 2019-11-05 |
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| CN202888415U (en) * | 2012-07-27 | 2013-04-17 | 长沙中联消防机械有限公司 | Grounding device |
| CN203300821U (en) * | 2013-06-08 | 2013-11-20 | 章丘市供电公司 | Grounding hammer drill |
| CN206250405U (en) * | 2016-12-02 | 2017-06-13 | 北京华电博慧科技有限公司 | A kind of protective earthing device |
| CN107116334A (en) * | 2017-06-27 | 2017-09-01 | 中国冶集团有限公司 | A kind of device and method for improving welders training efficiency |
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