CN103208377A - High-voltage insulation operating rod - Google Patents
High-voltage insulation operating rod Download PDFInfo
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- CN103208377A CN103208377A CN2013101082150A CN201310108215A CN103208377A CN 103208377 A CN103208377 A CN 103208377A CN 2013101082150 A CN2013101082150 A CN 2013101082150A CN 201310108215 A CN201310108215 A CN 201310108215A CN 103208377 A CN103208377 A CN 103208377A
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Abstract
The invention relates to a high-voltage insulation operating rod used for electrified operation for high-voltage split core type current transformers. The high-voltage insulation operating rod comprises a hollow tubular casing, an adjustment rod and a tapered end portion, wherein a holding end and an operation end are arranged at two axial ends of the casing; and the adjustment rod can axially slide in reciprocating mode relative to the casing and is located in the casing. A limit rod and a positive frustum section which are axially and sequentially partitioned are arranged at the head end of the adjustment rod. The tapered end portion can move in the radial direction for extending out of or retracting into the outer wall of the casing along with axial movement of the adjustment rod. The tail end of the adjustment rod is located at the operation end. The high-voltage insulation operating rod can conveniently hang or take the high-voltage split core type current transformers on or from high-voltage cables on the ground.
Description
Technical field
The present invention relates to the instrument of hot line job under a kind of high pressure, specifically, is the High-Voltage Insulation action bars that the high pressure split core type current transformer is carried out hot line job.
Background technology
Granted publication number discloses a kind of electric-power metering monitor system and measure of supervision in the patent of invention of CN101266263B.This system comprises electric energy metering machine and metrological supervision main frame, the electric energy of difference calculating transformer first side and the electric energy of second side, the metrological supervision host stores has a threshold value, and the relative difference of calculating transformer both sides energy data, generate warning message during greater than threshold value at relative difference, communication module can send warning message.This method is included in electric energy metering machine and metrological supervision main frame is installed on the transformer, the electric energy of difference calculating transformer both sides, the metrological supervision host stores has a threshold value, and the relative difference of calculating transformer both sides energy data, the metrological supervision main frame judges that whether relative difference is greater than threshold value, send warning message to Surveillance center in this way, it can effectively supervise electricity filching behavior, and reduces the cost of Surveillance center.
The concrete mode of obtaining electric energy numerical value based on said system and method is the current value of obtaining on the high-tension cable, and calculates electric energy by current value.And the method that obtains current value is to use the high pressure split core type current transformer, the high pressure split core type current transformer is installed or is pulled down on high-tension cable, this common live line working means and equipment that must have a power failure or take than complexity.Also under the situation that do not have a power failure, do not carry out the specific purpose tool that the high pressure split core type current transformer is installed or pulled down from ground to high-tension cable at present.
On the other hand, at present the power worker operates a switch to electric power system or a kind of insulating bar commonly used when pushing away lock, it has three or five meters long usually, one end is holding end, the other end is the operating side, can grasp holding end on ground, with the operating side power equipment in high-altitude is carried out shirtsleeve operation, yet it can not satisfy the requirement of the high pressure split core type current transformer being carried out the relative complex operation.
Summary of the invention
Main purpose of the present invention provides a kind of High-Voltage Insulation action bars that can operate the high pressure split core type current transformer.
For achieving the above object, High-Voltage Insulation action bars provided by the invention comprises a housing, and it is the tubular shell of a hollow, and axial two ends are respectively holding end and operating side.Also have a relative housing axially can reciprocatingly slide and be positioned at the housing adjusting rod.The head end of adjusting rod has axially goes up gag lever post and the positive frustum section that order is divided.Also have a lock head, it can do to stretch out the radial motion of housing outer wall or withdrawal with the axial motion of adjusting rod.The end of adjusting rod is positioned at the operating side." just " of positive frustum section refers to the nearly gag lever post of this section miner diameter end, and bigger diameter end far limits bar ground just installing meter.
Another High-Voltage Insulation action bars provided by the invention comprises a housing, and it is the tubular shell of a hollow, and axial two ends are respectively holding end and operating side.In the operating side, the perisporium of housing is provided with circumferential gathering hole, and axial end is provided with the axial operation hole.Be installed in the locking piece in the housing in addition, it has a forced section and a lock head, locking piece has two action extreme positions, make lock head be positioned at first extreme position within the described operation external diameter of pipe diametrically, and make lock head extend out to second extreme position outside the operation external diameter of pipe from circumferential gathering hole.Adjusting rod, housing axially can reciprocatingly slide and be positioned at housing relatively.Adjusting rod order in the axial direction is divided into gag lever post, positive frustum section, application of force section and lever piece, gag lever post and positive frustum section can be stretched out or retraction from the axial operation hole, the application of force Duan Kexiang forced section application of force drives lock head and is in second extreme position, and the end of lever piece is positioned at the operating side.
By above scheme as seen, can handle the end of adjusting rod during the hand-held end, adjusting rod is moved in the axial direction relative to housing, gag lever post is played back down high pressure split core type current transformer jaw, positive frustum section triggers jaw and opens, and lock head is connected locking between High-Voltage Insulation action bars and the high pressure split core type current transformer or the operation of release disengaging.The technique effect of above scheme sees the explanation of embodiment part for details.
Further scheme is that locking piece is to be fixed on strip elastic component in the housing with cantilevered fashion, forced section is radially gradually near the interior contracting of axis section in the cantilever segment of elastic component, lock head is the free end of cantilever segment, contracting section in application of force section is radially outwards oppressed in the axial motion process.
Another further scheme is that locking piece is a gear member, the axis of gear member and the axially parallel of housing, forced section are its tooth, and lock head is the free end of the cantilever lever that stretches out from gear member, application of force section is provided with tooth bar, is provided with carrier gear between the rack and pinion spare.
Description of drawings
Fig. 1 is the stereogram after first embodiment of the invention has been omitted partial shell and part adjusting rod;
Fig. 2 is the vertical view that Fig. 1 has amplified;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the stereogram of matching relationship between reflection application of force section and the forced section;
Fig. 5 is that adjusting rod advances to the drawing in side sectional elevation of forced section when arriving the gag lever post section, and this figure is enlarged drawing;
Fig. 6 is the stereogram under first embodiment of the invention and the high pressure split core type current transformer bonding state;
Fig. 7 to Figure 10 is the different conditions figure that introduces the first embodiment of the invention operation principle;
Figure 11 is the structural representation of reflection second embodiment of the invention forced section and application of force section matching relationship.
Embodiment
First embodiment
Referring to Fig. 1, this is the stereogram of reflection first embodiment of the invention primary structure, omitted the elongated portion that housing 1 bottom comprises holding end among Fig. 1, this part becomes an elongated integral body by making housing 1 after being threaded, certainly, be positioned at its inner adjusting rod 2 and comprise that a terminal part also omitted thereupon.
Housing 1 is roughly a tubular shell, be provided with circumferential gathering hole 12 and axial operation hole 11 in the operating side (upper end) that Fig. 1 shows, for this example, circumferentially gathering hole 12 circumferentially is being symmetrical arranged two, and the gag lever post 21 of adjusting rod 2 and positive frustum section 22 can be stretched out from axial operation hole 11 in the process to adjusting rod 2 operations or bounce back.
Referring to Fig. 2, this is the vertical view of Fig. 1, in order to reflect the design feature of embodiment better, particularly adjusting rod 2 is in the mutual structural relation of housing 1 inside and miscellaneous part, the position that A-A cuts open was chosen at the link position of a pair of lock head 33, therefore, the vertical profile among follow-up relevant Fig. 7-10 cut the position all should be as reference.
Referring to Fig. 3, as described above, housing 1 is a tubular shell, adjusting rod be one be positioned at housing 1 and can be vertically the assembly that slides of housing 1 relatively, this assembly is divided into gag lever post 21, positive frustum section 22, application of force section 23 and lever piece 24 from top to bottom.Wherein, have one section and housing 1 inwall matched in clearance in the lever piece 24 at least, and to formation rigid holders such as application of force sections 23, other parts of lever piece 24 are until proximal end can be thinner bar, its is illustrated by fracture in Fig. 3 and omits.The end that it will be understood by those skilled in the art that adjusting rod can be to pass the chute joystick that arranges on the housing 1 holding end sidewall, and chute length in the axial direction then can design according to the practical operation stroke of adjusting rod 2.
The strip elastic component is fixedly arranged in the housing 1, be a pair of elastic rod in this example, it has a stiff end 31, and upwards forms a cantilever from stiff end 31, the shape that elastic rod has under free state is as follows, along with to free-ended extension, this cantilever is close to the axis of housing gradually from stiff end 31 beginnings, turns back behind the position of crossing axis, up to free end, be this routine lock head 33, contracting section near turning back a little one section then is called, it is this routine forced section 32.
Referring to Fig. 4, when adjusting rod rises to application of force section 23 contact forced sections 32, elastic rod will be subjected to extruding force radially, and it is radially outward mobile that lock head 33 is prolonged.For the lock head 33 that makes elastic rod move outside or the process of withdrawing in more reliable and more stable, prevent skew, this example also is provided with two grooves 231,232 at the contact-making surface of application of force section 23 and elastic rod.
Referring to Fig. 5, after Fig. 5 reflects in gag lever post 21 is withdrawn housing 1 fully, the turn back drawing in side sectional elevation at a place of forced section 32, elastic rod break away from the contacting of frustum 22 just after, the turning back to name a person for a particular job of forced section 32 crossed axis, if a pair of elastic rod is not crisscross arranged, the situation lower stress portion 32 that will cause not being retracted into housing 1 outer wall as yet at lock head 33 is just withstood mutually, therefore be provided with two grooves 231,232, with the generation of avoiding said circumstances be convenient to assembling.This example also is provided with a pair of raised line 14 at the section of the relative application of force section 23 of housing 1 inwall, and raised line 14 can constitute the up postioning abutment of adjusting rod in axial lower surface.
Referring to Fig. 6, this is the figure of reflection High-Voltage Insulation action bars operate high pressure split core type current transformer 5 states, and namely the operating side of housing 1 has been inserted the state in the seat hole of high pressure split core type current transformer 5 bottoms.The jaw of Fig. 6 mesohigh split core type current transformer 5 is in open configuration, and can deliver on the high-tension cable this moment by High-Voltage Insulation action bars jack-up, namely from jaw cable is contained into the back to make the jaw closure by the High-Voltage Insulation action bars, thereby hangs on the cable.
Describe below in conjunction with the operation principle of high pressure split core type current transformer to the High-Voltage Insulation action bars.
Referring to Fig. 7, Fig. 7 is that the High-Voltage Insulation action bars docks and back down jaw with high pressure split core type current transformer 5, the state diagram when high-tension cable 4 is sent into jaw.When the operating side of High-Voltage Insulation action bars was inserted in the seat hole of high pressure split core type current transformer 5 bottoms, shoulder 13 made both axially in place.At this moment, torsion spring 61 and 62 restoring force have around axle 52 adjustable clamp and rotate and the trend of closed jaw, yet the right side that has withstood on pin 51 owing to gag lever post 21 has stoped the jaw closure.On the other hand, be provided with a circle groove 53 of horizontal circle at the seat hole of high pressure split core type current transformer 5 bottoms inwall, lock head 33 is under the extruding of application of force section 23, stretch into groove, make High-Voltage Insulation action bars relatively high pressure split core type current transformer 5 in axial locking, both can not break away from the axial direction mutually.During the pulling downwards of the relative housing 1 of adjusting rod this moment, when gag lever post 21 tops run under the pin 51, when losing barrier effect, under the effect of torsion spring 61,62 restoring forces, the jaw closure, simultaneously, an arm of torsion spring 62 compresses cable 4, makes high pressure split core type current transformer 5 relative cables fix.
Referring to Fig. 8, this is the state after high pressure split core type current transformer 5 relative cables are fixed, and has omitted cable 4 among Fig. 8, and at this moment, section 32 has been executed extruding force because application of force section 23 still internally contracts, so lock head 33 still is positioned at groove 53, does not namely have release.Adjusting rod will enter the state that Fig. 9 shows after continuing pulling downwards again.
Referring to Fig. 9, at this moment, application of force section 23 has broken away from the contact to forced section 32, because the maximum gauge of positive frustum section is less relatively in this example, lock head 33 has namely been removed locking, at this moment retracting under the effect of elastic rod elastic restoring force within housing 1 outer wall, just be recoverable to the High-Voltage Insulation action bars, finished high pressure split core type current transformer fixing task on the cable.
In the time of the high pressure split core type current transformer need being taken off from cable, the first step, the holding end of a hand-held High-Voltage Insulation action bars is aimed at the operating side in the seat hole of high pressure split core type current transformer bottom and is inserted, and the state after housing 1 relatively high pressure split core type current transformer is in place can be referring to Fig. 9, at this moment, the end of another manual manipulation adjusting rod upwards promotes the relative housing 1 of adjusting rod, is understandable that, when being pushed to the state that Fig. 8 shows, lock head 33 will enter lock-out state.
Referring to Figure 10, after upwards promoting again, the conical surface of positive frustum section 22 will radially promote slide plate 7 and slide to the left, and then make torsion spring 61,61 originally take an end of putting on the crossbeam 71 of slide plate 7 to be discharged in the neutral gear 72, and soon torsion spring 61,62 restoring force discharge.This moment drop-down High-Voltage Insulation action bars, jaw opens naturally including under the obstruction of cable, can take off the mutual device of high pressure pincer electric current from cable.
Second embodiment
Referring to Figure 11, this routine primary structure and principle and first embodiment are identical, below only just do not exist together and be illustrated, in this example, the a pair of side of application of force section 23 is provided with tooth bar, a pair of gear member 8 is fixedly arranged in housing 1 symmetrically, gear member 8 axially with housing 1 axially to same, namely both axis are parallel, and radially extend a cantilever lever 81, its free end is lock head, the tooth bar of application of force section 23 is by carrier gear 9 and gear member 8 engagements, and in this example, gear member 8 is a bevel gear, carrier gear 9 is a duplicate gear, i.e. the duplicate gear of a horizontal gear and bevel gear formation.Under Figure 11 state, lock head is in released state, when application of force section 23 is up, namely among Figure 11 when paper outwards moves, bevel gear 8 all will clockwise rotate, lock head 81 is final to arrive latched position shown in dotted lines in Figure 11.Be understandable that, in other execution mode, gear member 8 is not limited to bevel gear, can also be to have the worm screw that extends radially out cantilever or horizontal gear etc., as long as design a carrier gear group simply, with application of force section 23 upper racks and axial linear movement, become this worm screw or horizontal gear etc. around this axial rotation, can realize the movement of lock head between two extreme positions.
Other embodiment
Among two embodiment that more than provide, locking piece all is symmetrically arranged a pair of, obviously, only adopts one can realize purpose of the present invention too, and the force-bearing situation that arranges is better only in pairs; In addition, the diameter of two embodiment middle shell operating sides is less relatively, and in order to form a shoulder 13, this shoulder 13 neither be necessary, and its effect can be substituted by the housing axial end of position, axial operation hole fully.
Claims (4)
1. the High-Voltage Insulation action bars comprises
Housing is the tubular shell of a hollow, and axial two ends are respectively holding end and operating side;
It is characterized in that:
Adjusting rod is positioned at described housing and also can axially reciprocatingly sliding by described relatively housing;
The head end of described adjusting rod has axially goes up gag lever post and the positive frustum section that order is divided;
Lock head is done to stretch out the radial motion of described housing outer wall or withdrawal with the axial motion of described adjusting rod;
The end of described adjusting rod is positioned at described operating side.
2. the High-Voltage Insulation action bars comprises
Housing is the tubular shell of a hollow, and axial two ends are respectively holding end and operating side;
It is characterized in that:
In the operating side, the perisporium of described housing is provided with circumferential gathering hole, and axial end is provided with the axial operation hole;
Locking piece, be installed in the described housing, have a forced section and a lock head, described locking piece has two action extreme positions, make described lock head be positioned at first extreme position within the described operation external diameter of pipe diametrically, and make described lock head extend out to second extreme position outside the described operation external diameter of pipe from described circumferential gathering hole;
Adjusting rod is positioned at described housing and also can axially reciprocatingly sliding by described relatively housing;
Described adjusting rod order in the axial direction is divided into gag lever post, positive frustum section, application of force section and lever piece, described gag lever post and described positive frustum section can be stretched out or retraction from described axial operation hole, the described forced section application of force of described application of force Duan Kexiang is ordered about described lock head and is in described second extreme position, and the end of described lever piece is positioned at described operating side.
3. High-Voltage Insulation action bars according to claim 2 is characterized in that:
Described locking piece is for being fixed on strip elastic component in the described housing with cantilevered fashion, described forced section be in the cantilever segment of described elastic component radially gradually near the interior contracting of axis section, described lock head is the free end of described cantilever segment;
Contracting section in the radially outside compressing in the axial motion process of described application of force section is described.
4. High-Voltage Insulation action bars according to claim 2 is characterized in that:
Described locking piece is a gear member, and the axis of described gear member and described axially parallel, described forced section are its tooth, and described lock head is the free end of the cantilever lever that extends radially from described gear member;
Described application of force section is provided with tooth bar;
Be provided with carrier gear between described tooth bar and the described gear member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310108215.0A CN103208377B (en) | 2013-03-29 | 2013-03-29 | High-voltage insulation operating rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310108215.0A CN103208377B (en) | 2013-03-29 | 2013-03-29 | High-voltage insulation operating rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103208377A true CN103208377A (en) | 2013-07-17 |
| CN103208377B CN103208377B (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310108215.0A Active CN103208377B (en) | 2013-03-29 | 2013-03-29 | High-voltage insulation operating rod |
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| CN (1) | CN103208377B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108615623A (en) * | 2018-05-09 | 2018-10-02 | 江西电力职业技术学院 | Substation operates a switch device |
| CN111123171A (en) * | 2019-12-20 | 2020-05-08 | 贵州电网有限责任公司 | Telescopic mutual inductance current polarity testing device |
| CN111693809A (en) * | 2020-06-11 | 2020-09-22 | 广东电网有限责任公司清远供电局 | Low-voltage line loss metering device |
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| CN202421390U (en) * | 2011-11-28 | 2012-09-05 | 上海资和通信科技有限公司 | Structure of half semi-locking overhead circuit fault indicator |
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| CN2779576Y (en) * | 2005-02-05 | 2006-05-10 | 金宝贵 | Push-button telescopic insulation operation pole |
| CN201075352Y (en) * | 2007-07-05 | 2008-06-18 | 大全集团有限公司 | Operation mechanism for isolation switch |
| CN201210172Y (en) * | 2008-04-22 | 2009-03-18 | 云南电力试验研究院（集团）有限公司电力研究院 | Novel link bar |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108615623A (en) * | 2018-05-09 | 2018-10-02 | 江西电力职业技术学院 | Substation operates a switch device |
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| CN111123171A (en) * | 2019-12-20 | 2020-05-08 | 贵州电网有限责任公司 | Telescopic mutual inductance current polarity testing device |
| CN111693809A (en) * | 2020-06-11 | 2020-09-22 | 广东电网有限责任公司清远供电局 | Low-voltage line loss metering device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103208377B (en) | 2015-05-13 |
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Owner name: ZHUHAI HUAYOU ELECTRONIC TECHNOLOGY CO., LTD. Effective date: 20150403 Owner name: SHAOGUAN POWER SUPPLY BUREAU OF GUANGDONG POWER GR Free format text: FORMER OWNER: ZHUHAI HUAYOU ELECTRONIC TECHNOLOGY CO., LTD. Effective date: 20150403 |
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Free format text: CORRECT: INVENTOR; FROM: XU GUOHUA TO: LUO SHENGJUN XU GUOHUA DENG YONGBAO LAI YU Free format text: CORRECT: ADDRESS; FROM: 519020 ZHUHAI, GUANGDONG PROVINCE TO: 512028 SHAOGUAN, GUANGDONG PROVINCE |
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Effective date of registration: 20150403 Address after: 512028 Guangdong city in Shaoguan Province, Wujiang District Industrial Road No. 66 Applicant after: GUANGDONG STATE GRID CO., LTD., SHAOGUAN POWER SUPPLY BUREAU Applicant after: Zhuhai Huayou Electrical Technology Co., Ltd. Address before: 519020 Guangdong city of Zhuhai province Gongbei Shihua West Road No. 209 Peace Industrial Center 4 floor Applicant before: Zhuhai Huayou Electrical Technology Co., Ltd. |
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Effective date of registration: 20210512 Address after: 512028 No.66, Gongye West Road, Wujiang District, Shaoguan City, Guangdong Province Patentee after: SHAOGUAN POWER SUPPLY BUREAU, GUANGDONG POWER GRID Co.,Ltd. Address before: 512028 No.66, Gongye West Road, Wujiang District, Shaoguan City, Guangdong Province Patentee before: SHAOGUAN POWER SUPPLY BUREAU, GUANGDONG POWER GRID Co.,Ltd. Patentee before: ZHUHAI HUAYOU ELECTRICAL TECHNOLOGY Co.,Ltd. |