CN104577380A - Rotatable-middle short circuit grounding unit - Google Patents
Rotatable-middle short circuit grounding unit Download PDFInfo
- Publication number
- CN104577380A CN104577380A CN201510054023.5A CN201510054023A CN104577380A CN 104577380 A CN104577380 A CN 104577380A CN 201510054023 A CN201510054023 A CN 201510054023A CN 104577380 A CN104577380 A CN 104577380A
- Authority
- CN
- China
- Prior art keywords
- expansion link
- clamp
- wire clamp
- module
- conductor wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a rotatable-middle short circuit grounding unit comprising a lead end clamp and a handle. The lead end clamp comprises a pair of clamp plates, a pair of modules and a telescopic mechanism; the clamp plates are rotatably connected through a rotating shaft; the upper portion of each clamp plate is provided with an arc meshing part; the modules are disposed at the tail of the lead end clamp; each module is internally provided with a moving nut; the telescopic mechanism comprises a pair of telescopic rods, a cover cylinder, a rotating rod and a link rod; the link rod is disposed within the cover cylinder and is connected with the telescopic rods; the telescopic rods are threaded and are connected with the moving nuts in a threaded manner, screw threads of the telescopic rods are opposite; one end or the whole of the rotating rod is provided with a screw thread, one end of the rotating rod is extended into the cover cylinder and is in meshing connection with an engaging-disengaging gear disposed on the link rod, and the other end of the rotating rod penetrates a body of the handle and is connected with a rotating grip. The rotatable-middle short circuit grounding unit is high in safety, a lead is clamped or loosened through manually controlling the lead end clamp, and the lead end clamp never automatically loosens.
Description
Technical field
The application is application number is 201210548535.3, and the applying date is on December 18th, 2012, and 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 connection 100 is the managing security tools and instruments being used for the power equipment had a power failure to carry out temporary grounding when overhauling power equipment as shown in Figure 1, its objective is the residual charge in order to discharge power equipment, prevent the induced electricity impact sending a telegram here suddenly or close on charging equipment and circuit generation, in case major structure becomes the generation of staff's electric shock accidents.Installing earth connection transfers power equipment to one necessary technical safety measures of inspecting state from running status, wherein earth connection 100 is connected with wire and the earth respectively with earth terminal wire clamp 300 by conductor wire end wire clamp 200, but, conductor wire end wire clamp of the prior art comprises and to be rotationally connected by rotating shaft 400 for a pair and its top is provided with the clamping plate 600 that arc wants buckling hole 500, this conductor wire end wire clamp clashes into wire by fine rule 700 in the direction perpendicular with wire by means of only personnel on bar makes it connect, expansion link 900 on its electroscopic device 800 does not play the effect of support wire end terminal, therefore, there is following weak point in this conductor wire end wire clamp:
1, due to the impact of conductor wire end wire clamp 200 by wind and self gravitation (too light) thereof, the operation of clamping wires is not only not easy to, also abnormally dangerous;
2, can only operate in the vertical direction, and can not operate in the horizontal direction, therefore circuit strain rod tower installing earth connection 100 time and work safety technical measures require to occur vacuum line section (part of path that cannot protect);
3, the wire of a certain cross section model can only be clamped, effectively can not clamp multiple interface wire, especially can not be applicable to the wire of LGJ-400/35, its poor compatibility.
Afterwards, people have invented a kind of novel short-circuit grounding device, as application number: CN200820201388, summary: a kind of short-circuit grounding device, security tool during for overhauling power equipment or utensil, comprise conductor wire end wire clamp and electroscopic device, and conductor wire end wire clamp comprises and to connect by axis of rotation for a pair and its top is provided with the clamping plate of arc articulation port, wherein a clamping plate upper end is convex plate, and the upper end of another clamping plate is the matrix plate matched with convex plate; The madial wall of two clamping plate bottoms is provided with a pair module, and the opposite face of two modules is arranged with a "T"-shaped groove, and the front end of described electroscopic device is provided with the extension bar that can match with the "T"-shaped groove after two block mergings.Be provided with soft copper guipure in arc articulation port, between soft copper guipure and arc articulation port, be attached with conductive elastomer.Therefore, this structure not only easy to operate, fail safe good, and compatible good earthing device.
But application number: the patent of 200820201388 has following shortcoming: owing to making this short-circuit grounding device to come off by pullling insulating filaments, therefore, people is when operating, pin easily hooks and touches to insulating filaments, be easy to short-circuit grounding device avulsion, thus cause contingency, therefore, specify in electric power transformer substation system, the short-circuit grounding device needing a kind of artificial tightening wire 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, provide a kind of stage casing rotary type short-circuit grounding device, to solve the problem.
The technical scheme realizing the object of the invention is: a kind of stage casing rotary type short-circuit grounding device, comprise conductor wire end wire clamp and holding rod, conductor wire end wire clamp comprise a pair by axis of rotation connect and top be provided with arc occlusion clamping plate, it is characterized in that: described conductor wire end wire clamp afterbody is provided with module, described to being provided with movable nut in module, movable nut is connected with to module activities, can lateral rotation and slip in module; Also comprise telescoping mechanism, described telescoping mechanism comprises a pair expansion link, cup, dwang, trace, described trace is arranged on cup inside and connects a pair expansion link, described expansion link is threaded, and it is connected with movable screw cap thread, and the screw thread lines on a pair described expansion link is contrary; Described dwang one end or entirety are threaded, and its one end is stretched into cup inside and is connected with a joggle with the clutch gear be arranged on trace, and the other end is connected with swing handle through the holding rod body interior of holding rod; Described to being equipped with a support chip between module and arc seaming, the lower end of two support chips is located in described rotating shaft, and wherein the madial wall of clamping plate is provided with a pressure tongue, and this pressure tongue is located between rotating shaft and arc seaming, correspondingly on another clamping plate is provided with a pressure tongue through hole; Conductor wire end wire clamp is when open configuration, and pressure tongue supports conductor wire end wire clamp and avoids expansion link to move around.
The know-why of the present invention program is: by arranging at the afterbody of conductor wire end wire clamp the telescoping mechanism that can strut conductor wire end wire clamp, by the swing handle on holding rod, telescoping mechanism is controlled, such principle makes the clamping of artificial manipulation conductor wire end wire clamp and wire and locking, avoids human error and shines into coming off of conductor wire end wire clamp.And movable nut can lateral rotation and slip in module, thus make the clamping plate of conductor wire end wire clamp in conductor clamping process, telescoping mechanism can keep balance, can not bend.The operation principle of telescoping mechanism is, by the rotation of dwang, thus drive clutch gear to rotate, clutch gear then drives whole expansion link to rotate, because a pair expansion link to connect with movable screw cap thread and screw thread is contrary, therefore in rotation process, movable screw hatband is dynamic opens movement gradually to module, thus drive the clamping plate of conductor wire end wire clamp to draw in gradually, finally can with conductor clamping, when dwang is to counter-rotation, expansion link is then to counter-rotation, thus movable screw hatband is moved module by moving inward, thus drive the clamping plate of line end wire clamp to open gradually, finally can realize the function of unclamping with wire clamp.
In the present invention, as further improvement, described expansion link end position also has screens end, and the effect of screens end is that the formation of expansion link is limited, thus avoids expansion link in movable nut rotation process, disengaging activity nut.
In the present invention, as further improvement, described trace is rotatably connected between a pair expansion link, and cup both sides to be mated with the splined hole in expansion link by spline wheel and are connected.The improvement of the program mainly makes when rotating conductor wire end wire clamp, effect special angle being carried out to screens can be played, by rotating cup during operation, cup is rotated by spline wheel, thus can realize locating rotation, in addition, due to trace, holding rod body is connected with cup, therefore when cup rotates, rotation all followed by dwang, trace, clutch gear and holding rod, thus realizes the object of multi-angle operation.
In the present invention, as further improvement, described trace diameter is less than expansion link diameter, and such design improvement can reduce the radius size of 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, the lower end of two support chips is located in described rotating shaft, and wherein the madial wall of clamping plate is provided with a pressure tongue, this pressure tongue is located between rotating shaft and arc seaming, correspondingly on another clamping plate is provided with a pressure tongue through hole.Adopt above-mentioned technology, mainly make conductor wire end wire clamp, when open configuration, pressure tongue can to support wire clamp, thus avoids expansion link easily to move around.In the present invention, support chip is not provided with spring leaf, therefore, the power that its clamping wire uses, power when mainly adopting people to twist expansion link.
Outstanding substantive distinguishing features of the present invention and marked improvement are:
1. advantage security performance of the present invention is high, to be clamped or loosens, therefore can not produce the situation of conductor wire end wire clamp Automatic-falling by Artificial Control conductor wire end wire clamp to wire.
2. the present invention is easy and simple to handle, and people only needs hand-held holding rod, and rotate swing handle, pilot end terminal clamps wire, holding rod can be decontroled subsequently, carries out the service work of other circuit; In addition, the present invention, by adopting straight-bar type screwed expansion link, controlling whole conductor wire end wire clamp and to open or closed, having Stability Analysis of Structures, can the easy advantage of rapid operation.
3. the present invention can regulate arbitrarily conductor wire end wire clamp work angle, only need regulate the position of side neck and cup, can change conductor wire end wire clamp operating angle, the use of handled easily person.
4. structure of the present invention is simple, and cost of manufacture is low, meets standards for safe use, is convenient to extensive electric power system and 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 condition 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 condition 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 the structural representation of cup 6.2 of the present invention and 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 condition in the embodiment of the present invention 2;
Parts title and sequence number in figure:
Earth connection 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, rotating shaft 9, pressure tongue 10; Expansion link 6.1, cup 6.2, dwang 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.
Embodiment
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, comprises conductor wire end wire clamp A and holding rod 7, conductor wire end wire clamp A comprise a pair by support chip 8 steering spindle connect and top be provided with arc occlusion 2 clamping plate 1, wherein, support chip 8 is rotated by rotating shaft 9; 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 is connected with the activity template 5 be arranged in module 3 by screw rod, and movable nut 4 can along screw rod lateral rotation, and activity template 5 can slide in module 3; Telescoping mechanism 6 comprises a pair expansion link 6.1, cup 6.2, dwang 6.3, trace 6.4, what described 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 6.1 is all threaded, it is threaded with the movable nut 4 of each Self Matching respectively.In addition, the screw thread lines on expansion link 6.1 is contrary, such as, wherein an expansion link 6.1 is positive pitch thread, then an other expansion link 6.2 is anti-pitch thread, and expansion link 6.1 end position is provided with screens end 6.6 in addition, and its effect is that restriction expansion link 6.1 leaves out movable nut 4.Dwang 6.3 one end is threaded, its one end is stretched into cup 6.2 inside and is connected with a joggle with the clutch gear 6.5 be arranged on trace 6.4, the other end is connected with swing handle 7.2 through holding rod body 7.1 inside of holding rod 7, wherein, dwang 6.3 end can not be screw thread, can be the conventional transmission workpiece such as gear or turbine and worm simultaneously, cup 6.2 both sides are rotationally connected with expansion link 6.1 by spline wheel 6.7, expansion link 6.1 side is provided with the splined hole of to take turns 6.7 structures with spline and matching, wherein, trace 6.4 diameter is less than expansion link 6.1 diameter.
In the present embodiment, screw thread just can not be rotated in dwang 6.3 end, can be the conventional transmission workpiece such as turbine and worm.
During operation, arc seaming 2 is aimed at wire, only need rotate swing handle 7.2 drives dwang 6.3 to rotate, thus expansion link 6.1 is rotated, thus drive movable screw cap 4 to move by screw thread, strut module 3, movable nut 4 rotates with the direction of putting forth effort or slides, until tight wire stung by clamping plate 1, stage casing rotary type short-circuit grounding device clamping step completes; Only need oppositely twisting swing handle 7.2 i.e. expansible clamping plate 1, depart from wire and sting tight state when needs unclamp stage casing rotary type short-circuit grounding device.Need according to working condition, need to regulate the user of conductor wire end wire clamp A to time, as long as rotate cup 6.2, conductor wire end wire clamp A is adjusted to suitable operating angle.
Embodiment 2:
Difference from Example 1 is, the madial wall of clamping plate 1 is also provided with a pressure tongue 10, and this pressure tongue 10 is located between rotating shaft 9 and arc seaming 2, correspondingly on another clamping plate 1 is provided with a pressure tongue through hole.The effect of this pressure tongue 10 is, when conductor wire end wire clamp A is in open configuration time, pressure tongue 10, for propping up conductor wire end wire clamp A, moves around when avoiding expansion link 6.1 to tighten up.When needs unclamp clamping plate 1, when being used as clamping, the contact wire of pressure tongue 10, can unclamp conductor wire end wire clamp A.All the other know-whies are identical with embodiment 1.
Embodiment 3:
Difference from Example 1 is, dwang 6.3, entirety are all threaded, all the other modes of operation and embodiment 1 phase
With.
Claims (1)
1. a stage casing rotary type short-circuit grounding device, comprise conductor wire end wire clamp (A) and holding rod (7), conductor wire end wire clamp (A) comprise a pair by axis of rotation connect and top be provided with arc occlusion (2) clamping plate (1), it is characterized in that: described conductor wire end wire clamp (A) afterbody is provided with module (3), describedly be provided with movable nut (4) in module (3), movable nut (4) is flexibly connected with to module (3), can to the middle lateral rotation of module (3) and slip; Also comprise telescoping mechanism (6), described telescoping mechanism (6) comprises a pair expansion link (6.1), cup (6.2), dwang (6.3), trace (6.4), described trace (6.4) is arranged on cup (6.2) inside and connects a pair expansion link (6.1), and (6.1) are threaded described expansion link, it is threaded with movable nut (4), and the screw thread lines on described a pair expansion link (6.1) is contrary; Described dwang (6.3) one end or entirety are threaded, its one end is stretched into cup (6.2) inside and is connected with a joggle with the clutch gear (6.5) be arranged on trace (6.4), and the other end is connected with swing handle (7.2) through holding rod body (7.1) inside of holding rod (7); Described to being equipped with a support chip (8) between module (3) and arc seaming (2), the lower end of two support chips (8) is located in described rotating shaft (9), wherein the madial wall of clamping plate (1) is provided with a pressure tongue (10), this pressure tongue (10) is located between rotating shaft (9) and arc seaming (2), and another clamping plate (1) are above corresponding is provided with a pressure tongue through hole; Conductor wire end wire clamp is when open configuration, and pressure tongue supports conductor wire end wire clamp and avoids expansion link to move around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054023.5A CN104577380A (en) | 2012-12-18 | 2012-12-18 | Rotatable-middle short circuit grounding unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054023.5A CN104577380A (en) | 2012-12-18 | 2012-12-18 | Rotatable-middle short circuit grounding unit |
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 (1)
| Publication Number | Publication Date |
|---|---|
| CN104577380A true CN104577380A (en) | 2015-04-29 |
Family
ID=53092910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510054023.5A Withdrawn CN104577380A (en) | 2012-12-18 | 2012-12-18 | Rotatable-middle short circuit grounding unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104577380A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470896A (en) * | 2019-07-31 | 2019-11-19 | 张红宾 | A kind of hand-held flexible sensor device that can show electrification |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000058151A (en) * | 1998-08-04 | 2000-02-25 | Funai Electric Co Ltd | Connection terminal for electronic equipment |
| CN2371681Y (en) * | 1999-05-13 | 2000-03-29 | 李立民 | Portable short circuit grounding wire clamp device |
| CN2401999Y (en) * | 1999-12-11 | 2000-10-18 | 湖南省常德电业局 | Short circuit grounding wire with electricity detecting function |
| EP1416587A2 (en) * | 2002-10-31 | 2004-05-06 | Illinois Tool Works Inc. | Grounding tab for a welding apparatus |
| CN201266690Y (en) * | 2008-10-06 | 2009-07-01 | 何国飞 | Short circuit grounding device |
| CN201536235U (en) * | 2009-07-25 | 2010-07-28 | 安徽省电力公司阜阳供电公司 | Novel insulator remover |
-
2012
- 2012-12-18 CN CN201510054023.5A patent/CN104577380A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000058151A (en) * | 1998-08-04 | 2000-02-25 | Funai Electric Co Ltd | Connection terminal for electronic equipment |
| CN2371681Y (en) * | 1999-05-13 | 2000-03-29 | 李立民 | Portable short circuit grounding wire clamp device |
| CN2401999Y (en) * | 1999-12-11 | 2000-10-18 | 湖南省常德电业局 | Short circuit grounding wire with electricity detecting function |
| EP1416587A2 (en) * | 2002-10-31 | 2004-05-06 | Illinois Tool Works Inc. | Grounding tab for a welding apparatus |
| CN201266690Y (en) * | 2008-10-06 | 2009-07-01 | 何国飞 | Short circuit grounding device |
| CN201536235U (en) * | 2009-07-25 | 2010-07-28 | 安徽省电力公司阜阳供电公司 | Novel insulator remover |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470896A (en) * | 2019-07-31 | 2019-11-19 | 张红宾 | A kind of hand-held flexible sensor device that can show electrification |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20150429 |