CN207719418U - A kind of power construction crane grounding device - Google Patents
A kind of power construction crane grounding device Download PDFInfo
- Publication number
- CN207719418U CN207719418U CN201721367910.9U CN201721367910U CN207719418U CN 207719418 U CN207719418 U CN 207719418U CN 201721367910 U CN201721367910 U CN 201721367910U CN 207719418 U CN207719418 U CN 207719418U
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- China
- Prior art keywords
- crane
- unit
- ground connection
- connection plug
- clip
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Abstract
The utility model discloses a kind of power construction crane grounding devices, including ground wire, crane clip, temporary grounding stake and ground connection plug-in unit；One end of ground wire is connected by the conducting position of crane clip and crane；The other end of ground wire is by being grounded plug-in unit and the temporary grounding stake grafting；Temporary grounding stake fixes on the ground；The utility model avoids the phenomenon that crane electric shock injures and deaths.Temporary grounding stake includes pile body, snap-gauge, inserted block, power supply, indicator light and a pair of of trigger assembly, when ground connection plug-in unit is not inserted into, it is ensured that a pair of of trigger assembly keeps " opening " state, with high reliability when use；On the other hand; it after being grounded plug-in unit insertion, is made of insulating materials with contact ring, snap-gauge, the inserted block that it is kept in contact so that not charged always on ground connection plug-in unit; while with high safety, it is effectively protected ground connection plug-in unit and substantially extends its service life.
Description
Technical field
The utility model is related to electricity usage technical field of construction equipment, and in particular to a kind of power construction crane ground connection dress
It sets.
Background technology
In recent years since, due to the high speed development of national economy, crane operation troop and quantities are also expanding.Crane gets an electric shock
Phenomenon also takes place frequently therewith, and higher accident rate is presented.Crane electric shock accidents is usually very miserable, can cause the serious of group's injures and deaths
Disastrous effect.However under normal circumstances, it is the injures and deaths of one, two personnel that crane, which gets an electric shock, and influence face is small less for number, often not social
Paid attention to.But crane operation point is multi-point and wide-ranging, takes care of the pence, and the extent of injury added up is no less than a high risk industries.Root
According to web material, since 2012, according to incompletely statistics, certain saves the injures and deaths for just having nearly more than 90 people.National crane is got an electric shock
It is entirely to be equal to and a lot of large-scale mine disasters occur more than the injures and deaths of hundred people, crane digital also above the industrial injury of entire power industry
The phenomenon that electric shock injures and deaths, should attract great attention.
Invention content
The purpose of this utility model is to provide a kind of power construction crane grounding devices, avoid crane electric shock accidents.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solutions：A kind of power construction crane ground connection
Device, including ground wire, crane clip, temporary grounding stake and ground connection plug-in unit；One end of the ground wire by crane clip with
The conducting position of crane connects；The other end of the ground wire is by being grounded plug-in unit and the temporary grounding stake grafting；It is described
Temporary grounding stake fix on the ground；
The temporary grounding stake includes pile body, snap-gauge, inserted block, power supply, indicator light and a pair of of trigger assembly, the pile body
Middle part offers up big and down small stepped groove, and the stepped groove is divided into upper slot and lower channel, the inserted block be filled in it is described under
In portion's slot, and the flexible material by insulating is made；The snap-gauge is fixedly connected on the top surface of the inserted block, and rigid by what is insulated
Property material is made；The outer diameter of the snap-gauge is consistent with the internal diameter of the lower channel, and offers in the middle part of snap-gauge and inserted with the ground connection
The accommodating hole of part adaptation；A pair of symmetrically arranged storage tank is offered in the outer rim of the snap-gauge, the indicator light is dismountable
It is connected on the outer wall of the pile body；
The ground connection plug-in unit includes being fixedly connected on successively equipped with contact ring and spacing ring, the spacing ring from top to bottom
On the ground connection plug-in unit, and it is concentric with the ground connection plug-in unit；The contact ring is fixedly connected on the ground connection plug-in unit, and with
The ground connection plug-in unit is concentric；Cricoid contact groove is offered on the outer wall of the contact ring, the slot bottom of the contact groove is equipped with
Cricoid contact chip, the contact ring are made of insulating materials, and the contact chip is made of an electrically conducting material.
Further, the crane clip is U shape structures, and folder is arranged in the U type structures of the crane clip
Tongue, the clip tongue are flexibly connected by spring A with crane clip respectively；Crane clip is stated to be equipped with positioned at the end of ground wire side
Holding rod, the holding rod are fixed by link block and crane clip, and the diameter of the link block is more than the diameter of holding rod.
Further, the temporary grounding stake further includes moving trolley；It is provided with for stake in the middle part of the moving trolley
The through-hole that body passes through；The pile body is lifted by lifting gear in the through-hole；The bottom of the pile body is provided with
Pile body is fixed on ground by drilling equipment, drilling equipment.
Further, the lifting gear is lifted using cylinder.
Further, the trigger assembly include frizzen A and frizzen B, the frizzen A bottom end be hinged on it is described
In the storage tank of the snap-gauge and top of frizzen A is hinged in the middle part of frizzen B, and the bottom end of the frizzen B is hinged on described
On the inner wall of portion's slot, the frizzen B is made of an electrically conducting material, and is serially connected between the power supply and the indicator light.
Further, the diameter of the frizzen B is less than the width of contact groove.
The advantageous effect that the utility model is reached is：A kind of power construction crane grounding device of the utility model, packet
Include ground wire, crane clip, temporary grounding stake and ground connection plug-in unit；The conductive part that one end of ground wire passes through crane clip and crane
Position connection；The other end of ground wire is by being grounded plug-in unit and the temporary grounding stake grafting；Temporary grounding stake is fixed on ground
On；The utility model avoids the phenomenon that crane electric shock injures and deaths.Temporary grounding stake includes pile body, snap-gauge, inserted block, power supply, indicator light
With a pair of of trigger assembly, ground connection plug-in unit is when being not inserted into, it is ensured that a pair of of trigger assembly keeps " openings " state, with high when use
Reliability；On the other hand, after ground connection plug-in unit is inserted into, the contact ring that is kept in contact with it, snap-gauge, inserted block are by insulating materials
It is made so that it is not charged always on ground connection plug-in unit, while with high safety, it is effectively protected ground connection plug-in unit simultaneously
Substantially extend its service life.
Description of the drawings
In order to more clearly illustrate the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is simply introduced, it should be apparent that, the accompanying drawings in the following description is only some realities described in the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of crane clip.
Fig. 3 is the structural schematic diagram of snap-gauge.
Fig. 4 is the structural schematic diagram for contacting ring.
Fig. 5 is the schematic diagram of the temporary grounding stake with moving trolley.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
As shown in Figs. 1-5, a kind of power construction crane grounding device, including ground wire 1, crane clip 2, temporary grounding stake
3 and ground connection plug-in unit 4；One end of the ground wire 1 is connect by crane clip 2 with the conducting position of crane；The ground wire 1
The other end is by being grounded plug-in unit 4 and 3 grafting of temporary grounding stake；The temporary grounding stake 3 fixes on the ground；
The temporary grounding stake 3 includes pile body 31, snap-gauge 32, inserted block 33, power supply, indicator light 35 and a pair of of triggering group
Part, 31 middle part of the pile body offer up big and down small stepped groove, and the stepped groove is divided into upper slot 36 and lower channel 37, described
Inserted block 33 is filled in the lower channel 37, and the flexible material by insulating is made；The snap-gauge 32 is fixedly connected on described insert
On the top surface of block 33, and the rigid material by insulating is made；The outer diameter of the snap-gauge 32 is consistent with the internal diameter of the lower channel 37,
And 32 middle part of snap-gauge offers the accommodating hole 38 being adapted to the ground connection plug-in unit 4；A pair is offered in the outer rim of the snap-gauge 32
Symmetrically arranged storage tank 39, the indicator light 35 are removably attachable on the outer wall of the pile body 31；
The ground connection plug-in unit 4 includes being equipped with contact ring 41 and spacing ring 42 successively from top to bottom, and the spacing ring 42 is solid
Surely it is connected on the ground connection plug-in unit 4 and concentric with the ground connection plug-in unit 4, the contact ring 41 is fixedly connected on described connect
It is on ground plug-in unit 4 and concentric with the ground connection plug-in unit 4, offer cricoid contact groove 43, institute on the outer wall of the contact ring 41
The slot bottom for stating contact groove 43 is equipped with cricoid contact chip 44, and the contact ring 41 is made of insulating materials, the contact chip 44 by
Conductive material is made.
Crane clip 2 described in the utility model is U shape structures, is arranged in the U type structures of the crane clip 2
Clip tongue 21, the clip tongue 21 are flexibly connected by spring A22 with crane clip 2 respectively；The crane clip 2 is located at ground wire 1
The end of side is equipped with holding rod 23, and the holding rod 23 is fixed by link block 24 and crane clip 2, the link block 24
Diameter is more than the diameter of holding rod 23.
Temporary grounding stake 3 described in the utility model further includes moving trolley 301；The middle part of the moving trolley 301 is set
It is equipped with the through-hole 302 passed through for pile body；The pile body 31 lifting in the through-hole 302 by lifting gear；Described
The bottom of pile body 31 is provided with drilling equipment 303, and pile body 31 is fixed on ground by drilling equipment 303.
Lifting gear described in the utility model is lifted using cylinder.
Trigger assembly described in the utility model includes frizzen A361 and frizzen B362, the bottom end of the frizzen A361
It is hinged in the storage tank 39 of the snap-gauge 32 and the top of frizzen A361 is hinged in the middle part of frizzen B362, the triggering
The bottom end of bar B362 is hinged on the inner wall of the upper slot 36, and the frizzen B362 is made of an electrically conducting material, and is serially connected in
Between the power supply and the indicator light.
The diameter of frizzen B362 described in the utility model is less than the width of contact groove 43.
The earthing or grounding means of the utility model, including ground wire, crane clip, temporary grounding stake and ground connection plug-in unit；Ground wire
One end pass through the conducting position of crane clip and crane connect；The other end of ground wire by be grounded plug-in unit with it is described interim
Ground stud grafting；Temporary grounding stake fixes on the ground；The utility model avoids the phenomenon that crane electric shock injures and deaths.Temporary grounding stake
Including pile body, snap-gauge, inserted block, power supply, indicator light and a pair of of trigger assembly, when ground connection plug-in unit is not inserted into, it is ensured that a pair of of triggering group
Part keeps " opening " state, with high reliability when use；On the other hand, it after ground connection plug-in unit is inserted into, is kept in contact with it
Contact ring, snap-gauge, inserted block be made of insulating materials so that it is not charged always on ground connection plug-in unit, with high safety
Property while, be effectively protected ground connection and plug-in unit and substantially extend its service life.
Embodiment described above is only that preferred embodiments of the present invention are described, not new to this practicality
The conception and scope of type is defined, without departing from the design concept of the present utility model, ordinary skill skill in this field
Art personnel should all fall into the scope of protection of the utility model to all variations and modifications that the technical solution of the utility model is made,
The claimed technology contents of the utility model, are all documented in technology claim.
Claims (5)
1. a kind of power construction crane grounding device, it is characterised in that：Including ground wire（1）, crane clip（2）, temporary grounding
Stake（3）With ground connection plug-in unit（4）；The ground wire（1）One end pass through crane clip（2）It is connect with the conducting position of crane；Institute
State ground wire（1）The other end pass through be grounded plug-in unit（4）With the temporary grounding stake（3）Grafting；The temporary grounding stake
（3）It fixes on the ground；
The temporary grounding stake（3）Including pile body（31）, snap-gauge（32）, inserted block（33）, power supply, indicator light（35）It is touched with a pair
Send out component, the pile body（31）Middle part offers up big and down small stepped groove, and the stepped groove is divided into upper slot（36）The lower part and
Slot（37）, the inserted block（33）It is filled in the lower channel（37）In, and the flexible material by insulating is made；The snap-gauge（32）
It is fixedly connected on the inserted block（33）Top surface on, and the rigid material by insulating is made；The snap-gauge（32）Outer diameter and institute
State lower channel（37）Internal diameter it is consistent, and snap-gauge（32）Middle part offers and the ground connection plug-in unit（4）The accommodating hole of adaptation（38）；
The snap-gauge（32）Outer rim on offer a pair of symmetrically arranged storage tank（39）, the indicator light（35）Dismountable connection
In the pile body（31）Outer wall on；
The ground connection plug-in unit（4）Including being equipped with contact ring successively from top to bottom（41）And spacing ring（42）, the spacing ring
（42）It is fixedly connected on the ground connection plug-in unit（4）On, and with the ground connection plug-in unit（4）It is concentric；The contact ring（41）It is fixed
It is connected to the ground connection plug-in unit（4）On, and with the ground connection plug-in unit（4）It is concentric；The contact ring（41）Outer wall on open up
There is cricoid contact groove（43）, the contact groove（43）Slot bottom be equipped with cricoid contact chip（44）, the contact ring（41）By
Insulating materials is made, the contact chip（44）It is made of an electrically conducting material；
The crane clip（2）U type structures in be arranged with clip tongue（21）, the clip tongue（21）Pass through spring A respectively（22）
With crane clip（2）Flexible connection；The crane clip（2）Positioned at ground wire（1）The end of side is equipped with holding rod（23）, institute
State holding rod（23）Pass through link block（24）With crane clip（2）It is fixed, the link block（24）Diameter be more than holding rod
（23）Diameter.
2. a kind of power construction crane grounding device according to claim 1, it is characterised in that：The temporary grounding stake
（3）It further include moving trolley（301）；The moving trolley（301）Middle part be provided with the through-hole passed through for pile body（302）；Institute
The pile body stated（31）By lifting gear (304) in the through-hole（302）Interior lifting；The pile body（31）Bottom setting
There is drilling equipment（303）, drilling equipment（303）By pile body（31）It is fixed on ground.
3. a kind of power construction crane grounding device according to claim 2, it is characterised in that：The lifting gear
(304) cylinder is used to lift.
4. a kind of power construction crane grounding device according to claim 3, it is characterised in that：The trigger assembly includes
Frizzen A（361）With frizzen B（362）, the frizzen A（361）Bottom end be hinged on the snap-gauge（32）Storage tank
（39）In and frizzen A（361）Top be hinged on frizzen B（362）Middle part, the frizzen B（362）Bottom end it is hinged
In the upper slot（36）Inner wall on, the frizzen B（362）It is made of an electrically conducting material, and is serially connected in the power supply and institute
It states between indicator light.
5. a kind of power construction crane grounding device according to claim 4, it is characterised in that：The frizzen B（362）
Diameter be less than contact groove（43）Width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721367910.9U CN207719418U (en) | 2017-10-23 | 2017-10-23 | A kind of power construction crane grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721367910.9U CN207719418U (en) | 2017-10-23 | 2017-10-23 | A kind of power construction crane grounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207719418U true CN207719418U (en) | 2018-08-10 |
Family
ID=63060603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721367910.9U Expired - Fee Related CN207719418U (en) | 2017-10-23 | 2017-10-23 | A kind of power construction crane grounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207719418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107863612A (en) * | 2017-10-23 | 2018-03-30 | 国网山东省电力公司莱阳市供电公司 | A kind of power construction crane grounding device |
-
2017
- 2017-10-23 CN CN201721367910.9U patent/CN207719418U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107863612A (en) * | 2017-10-23 | 2018-03-30 | 国网山东省电力公司莱阳市供电公司 | A kind of power construction crane grounding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20201023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |