CN104577378B - Screw drive-type middle rotating-type short circuit grounding device - Google Patents
Screw drive-type middle rotating-type short circuit grounding device Download PDFInfo
- Publication number
- CN104577378B CN104577378B CN201510053677.6A CN201510053677A CN104577378B CN 104577378 B CN104577378 B CN 104577378B CN 201510053677 A CN201510053677 A CN 201510053677A CN 104577378 B CN104577378 B CN 104577378B
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- China
- Prior art keywords
- expansion link
- wire end
- module
- pair
- grounding device
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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
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
Abstract
The invention discloses a screw drive-type middle rotating-type short circuit grounding device comprising a wire end terminal and a handle rod. The wire end terminal comprises a pair of clamp plates which rotatably connected through a rotating shaft. Arc clamping portions are formed on the clamping plates. Matched die blocks are arranged at the tail of the wire end terminal and provided with movable nuts. The movable nuts are connected with movable plates of the matched die blocks through screws and capable of horizontally rotating and sliding on the matched die blocks. The movable plates slide on the matched die blocks. A telescopic mechanism is further provided and comprises a pair of telescopic rods, a cover cylinder, a rotating rod and a linkage rod. The linkage rod is rotatably linked with the inside of the cover cylinder and the telescopic rods. The telescopic rods are provided with threads and in screw connection with the matched movable nuts 4 respectively. The screw drive-type middle rotating-type short circuit grounding device is high in safety, the wire end terminal is manually controlled to clamp or loosen the wire, and accordingly the wire end terminal never automatically falls.
Description
Technical field
The application is Application No. 201210548535.3, and filing date December in 2012 18 days, invention and created name is
The divisional application of the application for a patent for invention of " stage casing rotary type short-circuit grounding device ".
Background technology
In existing short-circuit grounding device, earth lead 100 is for inciting somebody to action when overhauling power equipment as shown in Figure 1
The power equipment having had a power failure carries out the managing security tools and instruments of temporary grounding, its purpose is to discharge the residual charge of power equipment,
Prevent from sending a telegram here suddenly or closing on the faradism impact of charging equipment and circuit generation, in case major structure becomes sending out of staff's electric shock accidents
Raw.Installing earth lead is to transfer power equipment to necessary one technical safety measures of inspecting state, wherein ground connection from running status
Line 100 is made by conductor wire end wire clamp 200 and earth terminal wire clamp 300 is connected with wire and the earth respectively, but, in prior art
Conductor wire end wire clamp include a pair being rotationally connected by rotating shaft 400 and its top is provided with arc and wants the clamping plate 600 of buckling hole 500,
This conductor wire end wire clamp only clashes into wire by fine rule 700 in the direction perpendicular with wire by personnel on bar and is turned on, and it is tested
Expansion link 900 on electric installation 800 does not play the effect supporting conductor wire end wire clamp, and therefore, this conductor wire end wire clamp exists as follows
Weak point:
1, affected by wind-force and self gravitation (the lightest) thereof due to conductor wire end wire clamp 200, be not only not easy to clamp the behaviour of wire
Make, the most abnormally dangerous；
2, can only operate in vertical direction, and can not operate in the horizontal direction, therefore install earth lead at circuit strain rod tower
Require that vacuum line section (part of path that cannot protect) occurs with work safety technical measures when 100；
3, the wire of a certain cross section model can only be clamped, it is impossible to effective clamping multiple interface wire, especially be not applied for LGJ-
The wire of 400/35, its poor compatibility.
Later, people have invented a kind of novel short-circuit grounding device, such as application number: CN200820201388, and summary:
A kind of short-circuit grounding device, the security tool in time overhauling power equipment or utensil, including conductor wire end wire clamp with test
Electric installation, conductor wire end wire clamp includes a pair clamping plate being provided with arc articulation port by axis of rotation connection and its top, wherein a folder
Plate upper end is convex plate, and the upper end of another clamping plate is the matrix plate matched with convex plate；The medial wall of two clamping plate bottoms is provided with one
To module, the opposite face of two modules is arranged with a "T"-shaped groove, and the front end of described electroscopic device is provided with and can merge with two modules
After the extension bar that matches of "T"-shaped groove.Be provided with soft copper guipure in arc articulation port, soft copper guipure and arc articulation port it
Between be attached with conductive elastomer.Therefore, this structure is the most easy to operate, safety good, and compatible good grounding device.
But application number: the patent of 200820201388 has the disadvantages that owing to making this short by pullling insulating filaments
Road grounding device can come off, and therefore, people is when operation, and foot easily hooks and touches to insulating filaments, it is easy to by short-circuit grounding device
Avulsion, thus cause contingency, therefore, electric power transformer substation system specifies, it is desirable to have the short circuit of a kind of artificial tightening wire connects
Ground device replaces existing technology.
Summary of the invention
The present invention is directed to short-circuit grounding device in prior art, easily come off, poor stability, the shortcoming of inconvenient operation,
There is provided a kind of screw-driven formula stage casing rotary type short-circuit grounding device, to solve the problems referred to above.
The technical scheme realizing the object of the invention is: a kind of screw-driven formula stage casing rotary type short-circuit grounding device, including leading
Line end wire clamp and holding rod, conductor wire end wire clamp includes a pair clamping plate being provided with arc seaming by axis of rotation connection and top, described
Conductor wire end wire clamp afterbody is provided with module, and described to being provided with movable nut in module, movable nut passes through screw rod and is arranged on mould
Activity template on block connects, movable nut can lateral rotation and slip in module, activity template can slide in module；Also
Including telescoping mechanism, described telescoping mechanism includes a pair expansion link, cup, rotates bar, and trace, described trace is rotatable
Connect ground and be arranged on that cup is internal and a pair expansion link of connection, a pair expansion link is all threaded, its respectively with each Self Matching
Movable nut 4 is threaded；The described screw thread lines on a pair expansion link is contrary, and wherein an expansion link is positive pitch thread,
The most other expansion link is anti-pitch thread；Described rotation bar one end or entirety are threaded, and its one end is stretched into cup inside and set
The clutch gear engagement put on trace connects, and the other end is connected through the holding rod body interior of holding rod with swing handle.
The know-why of the present invention program is: can strut conductor wire end wire clamp by arranging one at the afterbody of conductor wire end wire clamp
Telescoping mechanism, is controlled telescoping mechanism by the swing handle on holding rod, and such principle makes artificial manipulation wire end line
Press from both sides and the clamping of wire and locking, it is to avoid coming off of conductor wire end wire clamp is shone in human error.And activity nut can be in module
Lateral rotation and slip, so that during the clamping plate of conductor wire end wire clamp are to conductor clamping, telescoping mechanism can keep balance,
Will not bend.The operation principle of telescoping mechanism is, by rotating the rotation of bar, thus drives clutch gear to rotate, clutch
Gear then drives whole expansion link to rotate, and owing to a pair expansion link is contrary with the connection of movable screw cap thread and screw thread, is therefore rotating
During, movable screw hatband is dynamic gradually opens movement to module, thus drives the clamping plate of conductor wire end wire clamp gradually to draw in, finally may be used
With conductor clamping, when rotate bar rotate to opposite direction time, expansion link then to opposite direction rotate so that movable screw hatband move right
Module is by moving inward, thus drives the clamping plate of line end wire clamp gradually to open, and finally can realize pressing from both sides, with wire, the function unclamped.
In the present invention, as further improving, described expansion link end position also has the screens end, the effect of screens end to be
The formation making expansion link is limited, thus avoid expansion link in movable nut rotation process, disengaging activity nut.
In the present invention, as further improving, described trace is rotatably connected between a pair expansion link, cup both sides
It is connected with the splined hole coupling in expansion link by spline wheel.When the improvement of the program is mainly such that in rotating conductor wire end wire clamp,
Can play the effect that special angle carries out screens, by rotating cup during operation, cup is rotated by spline wheel, thus can
Realizing locating rotation, further, since trace, holding rod body is connected with cup, therefore when cup rotates, rotates
Rotation all followed by bar, trace, clutch gear and holding rod, thus realizes the purpose of multi-angle operation.
In the present invention, as further improving, described trace diameter is less than expansion link diameter, such
Design improves the radius size that can reduce clutch gear, and reduces the diameter of cup.
In the present invention, described to being equipped with a support chip between module and arc seaming, two support chips are located in described rotating shaft
Lower end, wherein the medial wall of clamping plate is provided with a pressure tongue, and this pressure tongue is located between rotating shaft and arc seaming, corresponding on another clamping plate
It is provided with a pressure tongue through hole.Using above-mentioned technology, mainly make conductor wire end wire clamp, when open configuration, pressure tongue can support
Wire presss from both sides, thus avoids expansion link easily to move back and forth.In the present invention, support chip is not provided with spring leaf, therefore, its
The power that clamping wire is used, mainly employing people twist power during expansion link.
The prominent substantive distinguishing features of the present invention and marked improvement be:
1. advantages of the present invention security performance is high, Artificial Control conductor wire end wire clamp be clamped wire or loosen, thus without generation
The situation of conductor wire end wire clamp Automatic-falling.
2. the present invention is easy and simple to handle, and people only needs hand-held holding rod, rotates swing handle, and wire is pressed from both sides by pilot end terminal
Tightly, holding rod can be decontroled subsequently, carry out the service work of other circuit；Additionally, the present invention, by use straight-bar type with
The expansion link of screw thread, controls whole conductor wire end wire clamp and opens or close, and has Stability Analysis of Structures, the advantage of operable laborsaving simplicity.
3. conductor wire end wire clamp work angle can arbitrarily be regulated by the present invention, only need to regulate the position of side neck and cup, i.e.
Conductor wire end wire clamp operating angle can be changed, facilitate the use of operator.
4. present configuration is simple, and cost of manufacture is low, meets standards for safe use, it is simple to extensively power system promotes the use.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art of the present invention；
Structural representation when Fig. 2 is arc seaming 2 closed mode in the embodiment of the present invention 1；
Fig. 3 is the internal structure schematic diagram of arc seaming 2 open configuration in the embodiment of the present invention 1；
Internal structure schematic diagram when Fig. 4 is arc seaming 2 closed mode in the embodiment of the present invention 1；
Internal structure schematic diagram when Fig. 5 is arc seaming 2 open configuration in the embodiment of the present invention 1；
Fig. 6 is cup 6.2 of the present invention and the structural representation of connecting rod 6.4；
Fig. 7 is the structural representation of arc seaming 2 open configuration in the embodiment of the present invention 2；
Structural representation when Fig. 8 is arc seaming 2 closed mode in the embodiment of the present invention 2；
Parts title and sequence number in figure:
Earth lead 100, conductor wire end wire clamp 200, earth terminal wire clamp 300, rotating shaft 400, arc want buckling hole 500, clamping plate 600,
Fine rule 700, electroscopic device 800, expansion link 900；Conductor wire end wire clamp A；
Clamping plate 1, arc seaming 2, to module 3, movable nut 4, activity template 5, telescoping mechanism 6, holding rod 7, support chip 8, turn
Axle 9, pressure tongue 10；Expansion link 6.1, cup 6.2, rotate bar 6.3, trace 6.4, clutch gear 6.5, screens end 6.6,
Spline wheel 6.7；Holding rod body 7.1, swing handle 7.2.
Detailed description of the invention
Below in conjunction with drawings and Examples, stage casing of the present invention rotary type short-circuit grounding device is described.
Embodiment 1:
As shown in Figure 2-5, stage casing of the present invention rotary type short-circuit grounding device, including conductor wire end wire clamp A and holding rod 7, conductor wire end wire clamp
A includes a pair clamping plate 1 being provided with arc seaming 2 by the connection of support chip 8 steering spindle and top, and wherein, support chip 8 passes through
Rotating shaft 9 rotates；Conductor wire end wire clamp afterbody A is provided with module 3, and to being provided with movable nut 4 in module 3, movable nut 4 leads to
The activity template 5 crossing screw rod and be arranged in module 3 is connected, and movable nut 4 can be along screw rod lateral rotation, and activity template 5 can be
Slide in module 3；Telescoping mechanism 6 includes a pair expansion link 6.1, cup 6.2, rotates bar 6.3, and trace 6.4 is described
What trace 6.4 was rotatably connected is arranged on cup 6.2 inside and is connected to a pair expansion link 6.1, wherein, a pair expansion link
All being threaded on 6.1, it is threadeded with the movable nut 4 of each Self Matching respectively.Additionally, the screw thread on expansion link 6.1
Lines is contrary, and such as, wherein an expansion link 6.1 is positive pitch thread, and the most other expansion link 6.2 is anti-pitch thread, stretches
Contracting bar 6.1 end position is also provided with screens end 6.6, and its effect is to limit expansion link 6.1 to leave out movable nut 4.Rotate bar
6.3 one end are threaded, and cup 6.2 inside and clutch gear 6.5 company of engagement being arranged on trace 6.4 are stretched in its one end
Connecing, the other end is connected through holding rod body 7.1 inside of holding rod 7 with swing handle 7.2, and wherein, rotating bar 6.3 end can
With more than screw thread, can be the conventional transmission workpiece such as gear or turbine and worm, cup 6.2 both sides take turns 6.7 by spline simultaneously
Being rotationally connected with expansion link 6.1, expansion link 6.1 side is provided with takes turns, with spline, the splined hole that 6.7 structures match, and wherein, interlocks
Bar 6.4 diameter is less than expansion link 6.1 diameter.
In the present embodiment, rotate bar 6.3 end and can more than rotate screw thread, can be the conventional transmission works such as turbine and worm
Part.
During operation, arc seaming 2 is directed at wire, only need to rotate swing handle 7.2 and drive rotation bar 6.3 to rotate, thus
Expansion link 6.1 is rotated, thus drives movable screw cap 4 to move by screw thread, strut module 3, movable nut 4 along with
The direction of power rotates or slides, until tight wire stung by clamping plate 1, stage casing rotary type short-circuit grounding device clamping step completes；When needing
Stage casing to be unclamped rotary type short-circuit grounding device is, only need to reversely twist swing handle 7.2 i.e. expansible clamping plate 1, takes off with wire
From stinging tight state.Need according to working condition, when needing the use direction regulating conductor wire end wire clamp A, as long as rotating cup
6.2, conductor wire end wire clamp A is adjusted to suitable operating angle.
Embodiment 2:
Difference from Example 1 is, the medial wall of clamping plate 1 is additionally provided with a pressure tongue 10, and this pressure tongue 10 is located at rotating shaft 9 and arc
Between seaming 2, another clamping plate 1 are correspondingly provided with a pressure tongue through hole.The effect of this pressure tongue 10 is, at conductor wire end wire clamp A
In open configuration when, pressure tongue 10 is used for propping up conductor wire end wire clamp A, it is to avoid expansion link 6.1 moves back and forth when tightening up.When
Need to unclamp clamping plate 1, when being used as clamping, press tongue 10 contact wire, conductor wire end wire clamp A can be unclamped.Remaining know-why
Same as in Example 1.
Embodiment 3:
Difference from Example 1 is, rotates bar 6.3 entirety and is all threaded, and remaining mode of operation is same as in Example 1.
Claims (1)
1. a screw-driven formula stage casing rotary type short-circuit grounding device, including conductor wire end wire clamp (A) and holding rod (7), wire end line
Folder (A) includes a pair clamping plate (1) being provided with arc seaming (2) by axis of rotation connection and top, it is characterised in that:
Described conductor wire end wire clamp (A) afterbody is provided with module (3), described to being provided with movable nut (4) in module (3), movable
Nut (4) is connected with the activity template (5) being arranged in module (3) by screw rod, and movable nut can be to module (3)
Middle lateral rotation and slip, activity template (5) can slide to module (3) is upper；Also include telescoping mechanism (6), described flexible
Mechanism (6) includes a pair expansion link (6.1), cup (6.2), rotates bar (6.3), trace (6.4), described trace
(6.4) it is arranged on cup (6.2) inside with being rotatably connected and connects a pair expansion link (6.1), a pair expansion link (6.1)
On be all threaded, it is threadeded with the movable nut (4) of each Self Matching respectively；On described a pair expansion link (6.1)
Screw thread lines contrary, wherein an expansion link is positive pitch thread, and the most other expansion link is anti-pitch thread；Described rotation bar
(6.3) one end or entirety are threaded, and the clutch gear that cup (6.2) is internal and is arranged on trace (6.4) is stretched in its one end
(6.5) engagement connects, and the other end is connected through holding rod body (7.1) inside of holding rod (7) with swing handle (7.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510053677.6A CN104577378B (en) | 2012-12-18 | 2012-12-18 | Screw drive-type middle rotating-type short circuit grounding device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510053677.6A CN104577378B (en) | 2012-12-18 | 2012-12-18 | Screw drive-type middle rotating-type short circuit grounding device |
| CN201210548535.3A CN102969584B (en) | 2012-12-18 | 2012-12-18 | Stage casing rotary type short-circuit grounding device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210548535.3A Division CN102969584B (en) | 2012-12-18 | 2012-12-18 | Stage casing rotary type short-circuit grounding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104577378A CN104577378A (en) | 2015-04-29 |
| CN104577378B true CN104577378B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510053677.6A Active CN104577378B (en) | 2012-12-18 | 2012-12-18 | Screw drive-type middle rotating-type short circuit grounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104577378B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186151B (en) * | 2015-10-17 | 2017-07-11 | 国网安徽省电力公司检修公司 | The high-altitude earthing or grounding means of electric up-down |
| CN105206955B (en) * | 2015-10-17 | 2017-07-11 | 国网安徽省电力公司检修公司 | The high-altitude earthing or grounding means of hand-operated lifting |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630783A (en) * | 2009-07-29 | 2010-01-20 | 毛建良 | Automatic wire clamp of portable short-circuit grounding wire |
| CN101826665A (en) * | 2010-04-07 | 2010-09-08 | 辽宁省电力有限公司锦州供电公司 | Ground line device of power transmission line tower and hitching device thereof |
| CN202189909U (en) * | 2011-08-18 | 2012-04-11 | 辽宁省电力有限公司铁岭供电公司 | Clamping type square bus earth clamp |
-
2012
- 2012-12-18 CN CN201510053677.6A patent/CN104577378B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630783A (en) * | 2009-07-29 | 2010-01-20 | 毛建良 | Automatic wire clamp of portable short-circuit grounding wire |
| CN101826665A (en) * | 2010-04-07 | 2010-09-08 | 辽宁省电力有限公司锦州供电公司 | Ground line device of power transmission line tower and hitching device thereof |
| CN202189909U (en) * | 2011-08-18 | 2012-04-11 | 辽宁省电力有限公司铁岭供电公司 | Clamping type square bus earth clamp |
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| Publication number | Publication date |
|---|---|
| CN104577378A (en) | 2015-04-29 |
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| CB03 | Change of inventor or designer information |
Inventor after: Sun Tao Inventor after: Qin Yanmei Inventor after: Zhang Derui Inventor after: Wu Zhao Inventor after: Wu Zhaoxin Inventor after: Gu Weiqi Inventor after: Shi Xiaoming Inventor after: Zhang Youjun Inventor after: Zou Ying Inventor after: Sang Zhen Inventor after: Song Shen Inventor after: Li Xiuling Inventor after: Deng Cuihong Inventor before: Sun Tao Inventor before: Qin Yanmei Inventor before: Zhang Derui Inventor before: Wu Zhao Inventor before: Gu Weiqi Inventor before: Shi Xiaoming Inventor before: Zhang Youjun Inventor before: Zou Ying Inventor before: Sang Zhen Inventor before: Song Shen Inventor before: Li Xiuling Inventor before: Deng Cuihong |
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| TR01 | Transfer of patent right |
Effective date of registration: 20180211 Address after: 250000 Yongchang Street Office of Chengwu County, Heze City, Shandong Province, Bole Street 375 Patentee after: Liu Mingxuan Address before: 274032 north of Zhonghua East Road, Heze City, Shandong province (opposite bank of China) Co-patentee before: CHENGWU POWER SUPPLY COMPANY, STATE GRID SHANDONG ELECTRIC POWER CO., LTD. Patentee before: Heze Power Supply Company, State Grid Shandong Electric Power Co., Ltd. |
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Effective date of registration: 20181123 Address after: 226300 South Twelve Formations of Tushan Village, Xingdong Town, Tongzhou District, Nantong City, Jiangsu Province Patentee after: Nantong Junqi Machinery Co., Ltd. Address before: 250000 Bole Street, Yongchang Street Office, Chengwu County, Heze City, Shandong Province Patentee before: Liu Mingxuan |
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| TR01 | Transfer of patent right |