CN106856306B - Make the method that the static contact of wheelbarrow switch fracture is grounded using handcart-type switch Special grounding wire - Google Patents
Make the method that the static contact of wheelbarrow switch fracture is grounded using handcart-type switch Special grounding wire Download PDFInfo
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- CN106856306B CN106856306B CN201710157800.8A CN201710157800A CN106856306B CN 106856306 B CN106856306 B CN 106856306B CN 201710157800 A CN201710157800 A CN 201710157800A CN 106856306 B CN106856306 B CN 106856306B
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- lock
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- 230000003068 static effect Effects 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000009471 action Effects 0.000 claims abstract description 14
- 230000004888 barrier function Effects 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/28—Earthing arrangements
Abstract
Make the method that the static contact of wheelbarrow switch fracture is grounded using handcart-type switch Special grounding wire, is related to power domain.The present invention be in order to solve the problem of existing ground wire form the incision position of handcart-type switch can not install and give operating personnel increase workload.The end of plug-in type contact is inserted into the head end of insulating bar, the head end of lock is under the action of resetting spring, it buckles into the lock buckling groove of plug-in type contactor end, completes the connection of plug-in type contact and insulating bar, then ground wire is connected on plug-in type contact by bolt；It operates insulating bar to be inserted into plug-in type contact head end on the static contact of wheelbarrow switch fracture, at this point, the static contact of wheelbarrow switch fracture has been connected to by plug-in type contact on ground wire；Move operation handle by connecting rod drive lock action, make lock be detached from plug-in type contact lock buckling groove, insulating bar is pulled up from plug-in type contact, to complete stopping switch fracture static contact ground connection.For the static contact of wheelbarrow switch fracture to be grounded.
Description
Technical field
The present invention relates to the methods for using handcart-type switch Special grounding wire that the static contact of wheelbarrow switch fracture is made to be grounded.Belong to
In power domain.
Background technology
With the continuous application of electric system high-voltage handcart formula distribution switchgear cabinet at the scene, the equipment in busbar and interval
When busbar side apparatus carries out Maintenance and Repair, to ensure operation field technical safety measures, provides, need by electric power safety working regulation
It installs and is grounded in operating location both sides, the existing clamped-in style of incision position, the coupling type ground wire of handcart-type switch can not fill
Ground wire is being installed at all intervals of bus run if can only take, just can guarantee job safety, while giving O＆M operator
Member increases unnecessary workload.
It is influenced due to the increase of operating quantity and by the equipment method of operation, increases the hidden dangers such as maloperation.
Invention content
The present invention is can not to be installed in the incision position of handcart-type switch to solve existing ground wire form, and give operation
Personnel increase the problem of workload.Now provide makes the static contact of wheelbarrow switch fracture be grounded using handcart-type switch Special grounding wire
Method.
Make the method that the static contact of wheelbarrow switch fracture is grounded using handcart-type switch Special grounding wire, this method is to be based on
Handcart-type switch Special grounding wire realize, the handcart-type switch Special grounding wire, it include plug-in type contact, insulating bar,
Latching device and ground wire,
The head end of plug-in type contact is used to be inserted into the static contact of handcart-type switch port,
Lock buckling groove is provided on the outer circle wall of the end of plug-in type contact, the end of plug-in type contact is for being inserted into insulating bar
It is interior,
Latching device is arranged in insulating bar,
For the head end of lock for being buckled in lock buckling groove, the tail end of lock is provided with the No.1 protrusion of trepanning, operation handle
Intracavitary end surface on be provided with No. two protrusions of trepanning,
The head and end side wall of insulating bar is respectively provided with a pair of of through-hole, on a pair of of the through-hole and No.1 protrusion of the head end of insulating bar
Trepanning be through jointly on a cross bar, the trepanning on a pair of of through-hole of the end of insulating bar and No. two protrusions is through another jointly
On root cross bar,
No.1 strip opening, head of the No.1 strip opening for accommodating lock are provided on the outer wall of insulating bar head end
It holds, No. two strips openings is provided on the outer wall of insulating bar tail end, operation handle is exposed at strip open outside, and operation handle passes through company
Bar is connect with lock tail end, and lock tail end is fixed on by resetting spring on the madial wall of insulating bar,
The lock inside insulating bar is driven to act by moving operation handle, when lock is detached from the lock of plug-in type contactor end
Catching groove, when being open into No. two strips, insulating bar can be pulled up from plug-in type contact, when the effect for latching in resetting spring
Under, when buckling into the lock buckling groove of plug-in type contactor end, insulating bar just links together with plug-in type contact；
It the described method comprises the following steps：
Step 1: the end of plug-in type contact to be inserted into the head end of insulating bar, the work of the head end of lock in resetting spring
It under, buckles into the lock buckling groove of plug-in type contactor end, completes the connection of plug-in type contact and insulating bar, it then will by bolt
It is connected on plug-in type contact；
Step 2: plug-in type contact head end is inserted on the static contact of wheelbarrow switch fracture by operation insulating bar, at this point, handcart
The static contact for switching fracture has been connected to by plug-in type contact on ground wire；
Step 3: move operation handle drives lock action by connecting rod, lock is made to be detached from the lock buckling groove of plug-in type contact,
Insulating bar is pulled up from plug-in type contact, to complete stopping switch fracture static contact ground connection.
The beneficial effects of the utility model are：
Grounding contact seat front end is equipped with 8 card slots, and 8 fingertips are stuck in 8 card slots, constitutes plum-type structure, and ground connection is touched
The rear end of headstock is connected equipped with lock buckling groove with the latching device of insulating bar, when grounding contact base rear end is inserted into the rear end of insulating bar
When, it latches under the action of resetting spring, buckles into the lock buckling groove of contact base, insulating bar is connected to grounding contact sitting toilet at this time
Together；It is provided with threaded hole on the outer surface of contact base head end, ground wire is fixed at the threaded hole by screw, is grounded
The ground connection of line terminates on Special grounding bolt, is connect with the earth, which can be such that the static contact of wheelbarrow switch fracture is grounded；
It operates insulating bar to be inserted into contact base on the static contact of wheelbarrow switch fracture, switch static contact is by contact base and connects
Ground wire forms effective grounding circuit with the earth.If insulating bar influences closing cabinet door, the operation handle of operable locks buckle mechanism will
Insulating bar is removed.The ground line configuration is simple, securely and reliably, can be good at engaging with switch static contact.
Description of the drawings
Fig. 1 is the stationary contact for making wheelbarrow switch fracture using handcart-type switch Special grounding wire described in specific implementation mode one
The structural schematic diagram of handcart-type switch Special grounding wire in the method for head ground connection；
Fig. 2 is the phase structure figure of handcart-type switch Special grounding wire；
Fig. 3 is the structural schematic diagram of the latching device inside insulating bar；
Fig. 4 is the partial enlarged view at A in Fig. 3；
Fig. 5 is the partial enlarged view at B in Fig. 3.
Specific implementation mode
Specific implementation mode one：Present embodiment is illustrated referring to figs. 1 to Fig. 5, hand is used described in present embodiment
Vehicle type switch Special grounding wire makes the method that the static contact of wheelbarrow switch fracture is grounded, this method be special based on handcart-type switch
What ground wire was realized, the handcart-type switch Special grounding wire, it includes plug-in type contact 1, insulating bar 2, latching device 3 and connects
Ground wire 4,
The head end of plug-in type contact 1 is used to be inserted into the static contact of handcart-type switch port,
Lock buckling groove 1-5 is provided on the outer circle wall of the end of plug-in type contact 1, the end of plug-in type contact 1 is for being inserted into
In insulating bar 2,
Latching device 3 is arranged in insulating bar 2,
For the head end of lock 3-2 for being buckled in lock buckling groove 1-5, the tail end for latching 3-2 is provided with the No.1 protrusion of trepanning
No. two protrusion 3-6 of trepanning are provided on the intracavitary end surface of 3-5, operation handle 3-4,
The head and end side wall of insulating bar 2 is respectively provided with a pair of of through-hole, a pair of of through-hole and the No.1 protrusion of the head end of insulating bar 2
Trepanning on 3-5 is through jointly on a cross bar, and the trepanning on a pair of of through-hole of the end of insulating bar 2 and No. two protrusion 3-6 is total
It is same to be through on another cross bar,
No.1 strip opening 2-1 is provided on the outer wall of 2 head end of insulating bar, the No.1 strip opening 2-1 is for accommodating
The head end of 3-2 is latched, No. two strip openings 2-2, operation handle 3-4 are provided on the outer wall of 2 tail end of insulating bar and are exposed at strip opening
Outside 2-2, operation handle 3-4 is connect by connecting rod 3-3 with lock 3-2 tail ends, and lock 3-2 tail ends are solid by resetting spring 3-1
It is scheduled on the madial wall of insulating bar 2,
It drives the lock 3-2 inside insulating bar 2 to act by moving operation handle 3-4, is touched when lock 3-2 is detached from plug-in type
The lock buckling groove 1-5 of first 1 end, when being open 2-2 into No. two strips, insulating bar 2 can be pulled up from plug-in type contact 1, work as lock
Detain 3-2 under the action of resetting spring 3-1, when buckling into the lock buckling groove 1-5 of 1 end of plug-in type contact, insulating bar 2 just with grafting
Formula contact 1 links together；
It the described method comprises the following steps：
Step 1: the end of plug-in type contact 1 to be inserted into the head end of insulating bar 2, the head end of 3-2 is latched in resetting spring
It under the action of 3-1, buckles into the lock buckling groove 1-5 of 1 end of plug-in type contact, completes the connection of plug-in type contact 1 and insulating bar 2,
Then it is connected on plug-in type contact 1 by bolt by being grounded 4；
Step 2: 1 head end of plug-in type contact is inserted on the static contact of wheelbarrow switch fracture by operation insulating bar 2, at this point, hand
The static contact of stopping switch fracture has been connected to by plug-in type contact 1 on ground wire 4；
Step 3: move operation handle 3-4 drives lock 3-2 actions by connecting rod 3-3, lock 3-2 is made to be detached from plug-in type
The lock buckling groove 1-5 of contact 1 pulls up insulating bar 2 from plug-in type contact 1, and the static contact to complete stopping switch fracture connects
Ground.
In present embodiment, three-phase plug-in type contact 1 is connected and is grounded by ground wire 4, as shown in Figure 1.Plug-in type contact 1
Using quincunx structure, being closed mouth can be with free-open-close, and the closure mouth of plug-in type contact 1 can be according to the stationary contact of handcart-type switch
The big freedom in minor affairs adjustment of head diameter, and it is enough to can guarantee that the closure mouth of plug-in type contact 1 and the static contact of handcart-type switch have
Contact can carry out reliable contacts.The static contact that plug-in type contact 1 can be directly directed to handcart-type switch when operation is inserted into
, easy to operate.To ensure the electrical equipment energy effective grounding being connected with handcart-type switch, the operation of service personnel ensure that
Safety.To solve the problems, such as that handcart-type switch static contact can not install ground wire.
In Fig. 1, the ground connection of ground wire is terminated on Special grounding bolt, operates insulating bar by the head end of grounding contact
It is inserted on the static contact of wheelbarrow switch fracture, you can be grounded connection ground electrical equipment on fracture stationary contact.If insulating bar influences
Cabinet door is closed, operable locks buckle mechanism handle removes insulating bar.
In fig. 2, grounding contact use quincunx structure, fingertip by fingertip fixed spring be fixed on contact base card slot and
On barrier, contact base is by bolt and grounding connection, and when grounding contact is inserted on switch static contact, switch static contact is by connecing
Fingertip, contact base, the ground wire of ground contact form earth-return circuit with the earth, ensure switch static contact reliable ground.
Grounding contact seat front end is equipped with 8 card slots, and fingertip is inserted into 8 card slots, and grounding contact base rear end is equipped with lock
Slot is connected with the latching device of insulating bar, and barrier plays position-limiting action to fingertip, ensures that the minimal closure circle of fingertip, fingertip are fixed
Spring can ensure that fingertip has enough contacts, fingertip to be fixed on by fixed spring tactile with contact base and switch static contact
In the card slot and barrier of headstock, quincunx structure is formed, realizes be in direct contact with switch static contact through this structure.
In figure 3, it is latching device structural principle, when insulating bar is inserted into contact base, latches in the effect of resetting spring
Under, it buckles into the lock buckling groove of contact base, insulating bar and contact base is linked together, when operation handle, driven by connecting rod
Lock acts, and so that lock is detached from the lock buckling groove of contact base, under insulating bar can be dialled from contact base.
Specific implementation mode two：Present embodiment is to being connect described in specific implementation mode one using handcart-type switch is special
The method that ground wire makes the static contact of wheelbarrow switch fracture be grounded is described further, and in present embodiment, plug-in type contact 1 includes
Contact base 1-1, two fingertip fixed spring 1-2 and 8 fingertip 1-3,
Contact base 1-1 is hollow cylindrical structure, the head end of contact base 1-1, in contact centered on the center of circle of contact base
8 card slot 1-4 are provided on the outer wall of seat,
Each fingertip 1-3 is U-shaped structure, opens that there are two slots on the crossbeam outside of the U-shaped structure of each fingertip 1-3, often
A vertical beam in a fingertip 1-3 is stuck in card slot, another vertical beam is located at the upper surface of contact base 1-1 head ends, and 8
Head ends of a fingertip 1-3 in contact base 1-1 is arranged in plum-type structure, another vertical beam in 8 fingertip 1-3 is for being inserted into
On the static contact of handcart-type switch port,
Two fingertip fixed spring 1-2 are fixed in two slots on the crossbeam of 8 fingertip 1-3,
It is provided with threaded hole on the outer surfaces contact base 1-1 far from contact base 1-1 head ends, will be grounded 4 by screw fixes
At the threaded hole,
Lock buckling groove 1-5 is provided on the outer circle wall of the end of contact base 1-1, the end of contact base 1-1 is for being inserted into absolutely
In edge bar 2.
Specific implementation mode three：Present embodiment is to being connect described in specific implementation mode two using handcart-type switch is special
The method that ground wire makes the static contact of wheelbarrow switch fracture be grounded is described further, and in present embodiment, plug-in type contact 1 also wraps
Barrier 1-6 is included, barrier 1-6 is arranged at the top of contact base 1-1 head ends,
Crossbeam bottom in each fingertip 1-3 is opened there are one slot, which is stuck on barrier 1-6, and barrier 1-6 is used for fingertip
1-3 plays position-limiting action, ensures the minimal closure circle of fingertip.
Specific implementation mode four：Present embodiment is to being connect described in specific implementation mode one using handcart-type switch is special
The method that ground wire makes the static contact of wheelbarrow switch fracture be grounded is described further, and in present embodiment, is grounded 4 outer surface bands
There is insulating coating.
Specific implementation mode five：Present embodiment is to being connect described in specific implementation mode two using handcart-type switch is special
The method that ground wire makes the static contact of wheelbarrow switch fracture be grounded is described further, and in present embodiment, two fingertips fix bullet
Spring 1-2 can adjust the elasticity being fixed on 8 fingertip 1-3, to keep the plum-type structure that 8 fingertip 1-3 are in free
Folding, it is corresponding with the static contact diameter of handcart-type switch.
Claims (5)
1. making the method that the static contact of wheelbarrow switch fracture is grounded, this method be to be based on hand using handcart-type switch Special grounding wire
Vehicle type switchs what Special grounding wire was realized, and the handcart-type switch Special grounding wire, it includes plug-in type contact (1), insulating bar
(2), latching device (3) and ground wire (4),
The head end of plug-in type contact (1) is used to be inserted into the static contact of handcart-type switch port,
Lock buckling groove (1-5) is provided on the outer circle wall of the end of plug-in type contact (1), the end of plug-in type contact (1) is for inserting
Enter in insulating bar (2),
Latching device (3) setting is interior in insulating bar (2),
For the head end of lock (3-2) for being buckled in lock buckling groove (1-5), the No.1 that the tail end of lock (3-2) is provided with trepanning is convex
It rises (3-5), No. two protrusions (3-6) of trepanning is provided on the intracavitary end surface of operation handle (3-4),
The head and end side wall of insulating bar (2) is respectively provided with a pair of of through-hole, a pair of of through-hole and the No.1 protrusion of the head end of insulating bar (2)
Trepanning on (3-5) is through jointly on a cross bar, on a pair of of through-hole of the end of insulating bar (2) and No. two protrusions (3-6)
Trepanning is through jointly on another cross bar,
No.1 strip opening (2-1) is provided on the outer wall of insulating bar (2) head end, the No.1 strip opening (2-1) is for holding
It receives the head end of lock (3-2), No. two strips openings (2-2), operation handle (3-4) dew is provided on the outer wall of insulating bar (2) tail end
External in strip opening (2-2), operation handle (3-4) is connect by connecting rod (3-3) with lock (3-2) tail end, and (3-2) tail is latched
End is fixed on by resetting spring (3-1) on the madial wall of insulating bar (2),
Lock (3-2) action for driving insulating bar (2) internal by moving operation handle (3-4), when lock (3-2) is detached from grafting
The lock buckling groove (1-5) of formula contact (1) end, when being open (2-2) into No. two strips, insulating bar (2) can be from plug-in type contact
(1) it is pulled up on, when lock (3-2) is under the action of resetting spring (3-1), buckles into the lock buckling groove (1- of plug-in type contact (1) end
5) when in, insulating bar (2) just links together with plug-in type contact (1)；
It is characterized in that, the described method comprises the following steps：
Step 1: the end of plug-in type contact (1) to be inserted into the head end of insulating bar (2), the head end for latching (3-2) is resetting bullet
It under the action of spring (3-1), buckles into the lock buckling groove (1-5) of plug-in type contact (1) end, completes plug-in type contact (1) and insulation
The connection of bar (2) then will be grounded (4) by bolt and be connected on plug-in type contact (1)；
Step 2: plug-in type contact (1) head end is inserted on the static contact of wheelbarrow switch fracture by operation insulating bar (2), at this point, hand
The static contact of stopping switch fracture has been connected to by plug-in type contact (1) on ground wire (4)；
Step 3: move operation handle (3-4) drives lock (3-2) action by connecting rod (3-3), so that lock (3-2) is detached from and insert
The lock buckling groove (1-5) for connecing formula contact (1) is pulled up insulating bar (2), from plug-in type contact (1) to complete stopping switch fracture
Static contact ground connection.
2. according to claim 1 make the static contact of wheelbarrow switch fracture be grounded using handcart-type switch Special grounding wire
Method, which is characterized in that plug-in type contact (1) includes contact base (1-1), two fingertip fixed springs (1-2) and 8 fingertips
(1-3),
Contact base (1-1) is hollow cylindrical structure, the head end of contact base (1-1), in contact centered on the center of circle of contact base
8 card slots (1-4) are provided on the outer wall of seat,
Each fingertip (1-3) is U-shaped structure, opens that there are two slots on the crossbeam outside of the U-shaped structure of each fingertip (1-3), often
A vertical beam in a fingertip (1-3) is stuck in card slot, another vertical beam is located at the upper table of contact base (1-1) head end
Face, and 8 fingertips (1-3) are arranged in the head end of contact base (1-1) in plum-type structure, another in 8 fingertips (1-3) is perpendicular
Straight beam is used to be inserted into the static contact of handcart-type switch port,
Two fingertip fixed springs (1-2) are fixed in two slots on the crossbeam of 8 fingertips (1-3),
It is provided with threaded hole on outer surface contact base (1-1) far from contact base (1-1) head end, it is solid to be grounded (4) by screw
It is scheduled at the threaded hole,
Lock buckling groove (1-5) is provided on the outer circle wall of the end of contact base (1-1), the end of contact base (1-1) is for being inserted into
In insulating bar (2).
3. according to claim 2 make the static contact of wheelbarrow switch fracture be grounded using handcart-type switch Special grounding wire
Method, which is characterized in that plug-in type contact (1) further includes barrier (1-6), and barrier (1-6) is arranged in contact base (1-1) head end
Top,
Crossbeam bottom in each fingertip (1-3) is opened there are one slot, which is stuck on barrier (1-6), and barrier (1-6) is used for touching
Refer to (1-3) and play position-limiting action, ensures the minimal closure circle of fingertip.
4. according to claim 1 make the static contact of wheelbarrow switch fracture be grounded using handcart-type switch Special grounding wire
Method, which is characterized in that ground wire (4) outer surface carries insulating coating.
5. according to claim 2 make the static contact of wheelbarrow switch fracture be grounded using handcart-type switch Special grounding wire
Method, which is characterized in that two fingertip fixed springs (1-2) can adjust the elasticity being fixed on 8 fingertips (1-3), from
And the plum-type structure free-open-close for making 8 fingertips (1-3) be in, it is corresponding with the static contact diameter of handcart-type switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710157800.8A CN106856306B (en) | 2017-03-16 | 2017-03-16 | Make the method that the static contact of wheelbarrow switch fracture is grounded using handcart-type switch Special grounding wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710157800.8A CN106856306B (en) | 2017-03-16 | 2017-03-16 | Make the method that the static contact of wheelbarrow switch fracture is grounded using handcart-type switch Special grounding wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106856306A CN106856306A (en) | 2017-06-16 |
| CN106856306B true CN106856306B (en) | 2018-09-04 |
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|---|---|---|---|
| CN201710157800.8A Active CN106856306B (en) | 2017-03-16 | 2017-03-16 | Make the method that the static contact of wheelbarrow switch fracture is grounded using handcart-type switch Special grounding wire |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546567A (en) * | 2019-01-05 | 2019-03-29 | 谭加新 | A kind of portable central cabinet grounding device |
| CN110556732A (en) * | 2019-10-16 | 2019-12-10 | 国网冀北电力有限公司唐山供电公司 | Special temporary grounding device and method for fixed contact of 10kV trolley switch cabinet |
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|---|---|---|---|---|
| DE19902896C2 (en) * | 1999-01-18 | 2001-01-25 | Ver Energiewerke Ag | Device for picking up objects from electrical switchgear |
| DE102007013440A1 (en) * | 2007-03-21 | 2008-09-25 | Klotter, Werner | Clamp for medium-voltage system or distribution stations for maintaining and repairing medium-voltage switch, is attached in form of movable clamping jaws and opposite support in geometrical form |
| CN203911304U (en) * | 2014-06-10 | 2014-10-29 | 李希银 | Multifunctional insulation operating rod |
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| Publication number | Publication date |
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| CN106856306A (en) | 2017-06-16 |
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