CN106025664B - A kind of earthing or grounding means convenient for measuring - Google Patents

A kind of earthing or grounding means convenient for measuring Download PDF

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Publication number
CN106025664B
CN106025664B CN201610487611.2A CN201610487611A CN106025664B CN 106025664 B CN106025664 B CN 106025664B CN 201610487611 A CN201610487611 A CN 201610487611A CN 106025664 B CN106025664 B CN 106025664B
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CN
China
Prior art keywords
knob
shell
earthing
grounding means
brush head
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.)
Active
Application number
CN201610487611.2A
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Chinese (zh)
Other versions
CN106025664A (en
Inventor
王凯
邵帅
黄涛
杨杰
杨晓峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201610487611.2A priority Critical patent/CN106025664B/en
Publication of CN106025664A publication Critical patent/CN106025664A/en
Application granted granted Critical
Publication of CN106025664B publication Critical patent/CN106025664B/en
Active legal-status Critical Current
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • H01R13/70Structural association with built-in electrical component with built-in switch
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/66Connections with the terrestrial mass, e.g. earth plate, earth pin
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00Connectors or connections adapted for particular applications
    • H01R2201/20Connectors or connections adapted for particular applications for testing or measuring purposes

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  • Measurement Of Resistance Or Impedance (AREA)
  • Elimination Of Static Electricity (AREA)

Abstract

The invention discloses a kind of earthing or grounding means convenient for measuring, including shell, knob, brush, lock core, shell is the box-like of front openings, the back side of shell is provided with mounting base, knob is generally cylinder, knob includes one piece of conductor block, two pieces of insulators, two insulators are symmetrically arranged in the both sides of conductor block, knob is arranged in the housing, brush is respectively arranged one in the upper and lower ends of knob, brush includes brush head, link block, brush head is arranged in the housing, brush head is bonded with knob, link block passes through shell, the link block of two brushes is separately connected the cross-arm side and ground side of earthing or grounding means, turn knob can make the different piece and head contacts of knob;Lock core is arranged on the outside of knob, and lock core connects a link stopper, is provided with relief hole corresponding with link stopper on knob, rotary locking cylinder can make link stopper be caught in or be detached from relief hole.It only needs turn knob to achieve that the break-make of earthing or grounding means, alleviates work heavy burden, improve the working efficiency of resistance measurement.

Description

A kind of earthing or grounding means convenient for measuring
Technical field
The present invention relates to transmission facility technical field more particularly to a kind of earthing or grounding means convenient for measuring.
Background technology
Examine electric power line pole tower whether reach in the safety requirements of defined it is more necessary be shaft tower ground resistance Whether the size of value meets the requirements.It is sized to find possibility in entire earthed system in advance by measurement pole tower ground resistance Existing hidden danger, effectively avoid due to ground connection it is not up to standard caused by equipment and personnel's injury accident, be verification power transmission line shaft tower The whether effective important indicator of earthed system.In addition earthing device of power transmission line is important transmission line safety guarantee and sets Standby, operation and maintenance situation seriously affects tolerance of the circuit for overvoltage especially atmospheric over-voltage, need to its into Row periodically detection and maintenance.Traditional earthing device of power transmission line is using being bolted.
In traditional earth resistance of power transmission line measures, need to remove earthing or grounding means from electric power line pole tower laggard Row measures, and disassembly process and installation process are complicated, and part is more, is easy to lose;Secondly as it is different to construct when circuit is built, There is also difference, this just needs to carry out before going to measurement adequately to understand prepares bolt used in it, is otherwise easy to outlet The awkward situation of measurement can not be dismantled because the tool of carrying is improper, this all leverages earth resistance of power transmission line measurement The working efficiency of work.Then, under conventional coupling arrangement, in assembling and dissembling process especially disassembly process, ground wire to bear compared with Big power, especially its stress may greatly improve after ground wire is influenced by external force, may destroy ground wire, seriously affect The efficiency of assembly and disassembly, or even the case where will appear " first administer and measure again ".Furthermore it is bolted so that being grounded very close to shaft tower Ontology, ground wire can maintain inertia to be extremely easy and shaft tower contact after being removed, need to be detached from shaft tower and it is reliable admittedly It is measured again after fixed, does not pay attention to slightly will result in measuring error.Finally, it is bolted no protective device, it is easy to split It unloads and even sabotages.
Invention content
The present invention is directed to conventional transmission lines earthing or grounding means, and resistance measurement is difficult, measures error-prone, unprotect device ask Topic, develops a kind of earthing or grounding means convenient for measuring, which can easily realize the separation with transmission line of electricity, facilitate Resistance measurement effectively increases line maintenance efficiency, and earthing or grounding means is additionally provided with protective device, has ensured the peace of earthing or grounding means Entirely.
The present invention solve technical problem technical solution be:It is a kind of convenient for measure earthing or grounding means, including shell, knob, Brush, lock core, shell are the box-like of front openings, and the back side of shell is provided with mounting base, and knob is generally cylinder, knob packet One piece of conductor block, two pieces of insulators are included, two insulators are symmetrically arranged in the both sides of conductor block, and knob is arranged in the housing, electricity The upper and lower ends brushed in knob are respectively arranged one, and brush includes brush head, link block, and brush head is arranged in the housing, brush head and knob Fitting, link block pass through shell, are provided with mounting hole corresponding with link block on shell, the link block of two brushes, which is separately connected, to be connect The cross-arm side and ground side of ground device, turn knob can make the different piece and head contacts of knob;Lock core is arranged outside knob Side, lock core connect a link stopper, are provided with relief hole corresponding with link stopper on knob, rotary locking cylinder can make link stopper be caught in or be detached from Relief hole.
As an optimization, the side of the knob is provided with the contact surface of external screw thread, shell or brush head and knob and is provided with pair The internal thread answered.
As an optimization, it is provided with sealing shroud between the mounting hole and link block.
As an optimization, the earthing or grounding means further includes shell cover, and shell cover is corresponding with the opening of shell.
As an optimization, it is additionally provided with spring between the shell and brush head, strip hole, earthing or grounding means are provided on link block Cross-arm side and ground side be provided with threaded hole corresponding with the strip hole on link block.
As an optimization, it is provided with strip on the contact surface of the brush head and knob, corresponding card slot is provided on knob.
Beneficial effects of the present invention:
1. the configuration of the present invention is simple, durable and easy to repair, the conductor block part or absolutely of knob can be made by turn knob Edge body portion controls break-make with head contacts;By the way that lock core is arranged, prevent what other staff operated earthing or grounding means It may.The earthing or grounding means of opposite conventional bolt connection, does not need other tools, it is only necessary to which turn knob achieves that earthing or grounding means Break-make, alleviate work heavy burden, improve the working efficiency of resistance measurement.Strong antijamming capability, External force interference will not be to logical Disconnected operation impacts, and due to that need not assemble and disassemble, is not restricted by ground wire stressing conditions in the course of work.
2. shell is connect with knob by way of threaded engagement, connection reliability is effectively guaranteed.
3. by increasing sealing shroud, it can prevent water, dust from entering shell, improve the service life of device.
4. can realize the sealing of shell by the way that shell cover is arranged, it can prevent water, dust from entering shell, improve making for device Use the service life.
5. by the way that spring is arranged so that brush head has been at impaction state with knob, is even influenced brush head by external force It will not be disengaged with knob, ensure that the normal work of earthing or grounding means.
6. by the way that strip is arranged, card slot realizes the fixation to knob, the compactness of brush head and knob is increased.
Description of the drawings
Fig. 1 is the overall construction drawing of the first embodiment of the invention.
Fig. 2 is the front view of the first embodiment of the invention.
Fig. 3 is sectional views of the Fig. 2 along the directions B-B.
Fig. 4 is that the first embodiment of the invention hides the overall construction drawing after shell cover.
Fig. 5 is that the first embodiment of the invention hides the front view after shell cover.
Fig. 6 is the overall construction drawing of second of embodiment of the invention.
Fig. 7 is that second of embodiment of the present invention hides the overall construction drawing after shell cover.
Fig. 8 is the front view of second of embodiment of the invention.
Fig. 9 is sectional views of the Fig. 8 along the directions C-C.
Specific implementation mode
For a better understanding of the present invention, embodiments of the present invention are explained in detail below in conjunction with the accompanying drawings.
Fig. 1 to Fig. 5 is a kind of embodiment of the present invention, as shown, a kind of earthing or grounding means convenient for measuring, including shell 1, knob 2, brush 3, lock core 4, shell 1 are the box-like of front openings, and the back side of shell 1 is provided with mounting base 101, and knob 2 is total Body is cylinder, and knob 2 includes one piece of conductor block, 201, two pieces of insulators 202, and two insulators 202 are symmetrically arranged in conductor block 201 both sides, knob 2 are arranged within the case 1, and brush 3 is respectively arranged one in the upper and lower ends of knob 2, and brush 3 includes brush head 302, link block 303, brush head 302 are arranged within the case 1, and brush head 302 is bonded with knob 2, and link block 303 passes through shell 1, shell Mounting hole corresponding with link block 303 102 is provided on 1, the link block 303 of two brushes 3 is separately connected the cross-arm of earthing or grounding means Side and ground side, turn knob 2 can be such that the different piece of knob 2 is contacted with brush head 302;The setting of lock core 4 is in 2 outside of knob, lock Core 4 connects a link stopper 401, is provided with relief hole 204 corresponding with link stopper 401 on knob 2, rotary locking cylinder 4 can make link stopper 401 It is caught in or is detached from relief hole 204.By turn knob 2 can make knob 2 201 part of conductor block or 202 part of insulator with brush First 302 contact to control break-make;By the way that lock core 4 is arranged, the possibility that other staff operate earthing or grounding means is prevented.Relatively The earthing or grounding means of conventional bolt connection, does not need other tools, it is only necessary to and turn knob 2 achieves that the break-make of earthing or grounding means, Work heavy burden is alleviated, the working efficiency of resistance measurement is improved.Strong antijamming capability, External force interference will not make on-off line operation At influence, due to that need not assemble and disassemble, do not restricted by ground wire stressing conditions in the course of work.The side of the knob 2 is arranged There are external screw thread, shell 1 or brush head 302 that the contact surface of knob 2 is provided with corresponding internal thread.Shell 1 passes through screw thread with knob 2 The mode of occlusion connects, and connection reliability is effectively guaranteed.It is provided between the mounting hole 102 and link block 303 close Big envelope 5.By increasing sealing shroud 5, it can prevent water, dust from entering shell 1, improve the service life of device.The ground connection dress It further includes shell cover 6 to set, and shell cover 6 is corresponding with the opening of shell 1.The sealing of shell 1 can be realized by the way that shell cover 6 is arranged, and can be prevented Water, dust enter shell 1, improve the service life of device.
Fig. 6 to Fig. 9 is second of embodiment of the present invention, a kind of earthing or grounding means convenient for measuring, including shell 1, knob 2, brush 3, lock core 4, shell 1 are the box-like of front openings, and the back side of shell 1 is provided with mounting base 101, and knob 2 is generally justified Cylindricality, knob 2 include one piece of conductor block, 201, two pieces of insulators 202, and two insulators 202 are symmetrically arranged in conductor block 201 Both sides, knob 2 are arranged within the case 1, and brush 3 is respectively arranged one in the upper and lower ends of knob 2, and brush 3 includes brush head 302, connects Block 303 is connect, brush head 302 is arranged within the case 1, and brush head 302 is bonded with knob 2, and link block 303 passes through shell 1, is set on shell 1 It is equipped with mounting hole corresponding with link block 303 102, the link block 303 of two brushes 3 is separately connected the cross-arm side of earthing or grounding means and connects Ground side, turn knob 2 can be such that the different piece of knob 2 is contacted with brush head 302;The setting of lock core 4 is connected in 2 outside of knob, lock core 4 One link stopper 401, is provided with relief hole 204 corresponding with link stopper 401 on knob 2, rotary locking cylinder 4 can make link stopper 401 be caught in or It is detached from relief hole 204.Sealing shroud 5 is provided between the mounting hole 102 and link block 303.By increasing sealing shroud 5, can prevent Sealing, dust enter shell 1, improve the service life of device.The earthing or grounding means further includes shell cover 6, shell cover 6 and shell 1 Opening correspond to.The sealing of shell 1 can be realized by the way that shell cover 6 is arranged, and can be prevented water, dust from entering shell 1, be improved device Service life.
As shown in fig. 7, being additionally provided with spring 7 between the shell 1 and brush head 302, strip is provided on link block 303 Hole, the cross-arm side and ground side of earthing or grounding means are provided with threaded hole corresponding with the strip hole on link block 303.By the way that bullet is arranged Spring 7 so that brush head 302 has been at impaction state with knob 2, and even being influenced brush head 302 by external force will not with knob 2 It disengages, ensure that the normal work of earthing or grounding means.
As shown in figure 9, the brush head 302 is provided with strip 301 on the contact surface of knob 2, correspondence is provided on knob 2 Card slot 203.By the way that strip 301 is arranged, card slot 203 realizes the fixation to knob 2, increases the patch of brush head 302 and knob 2 It is right.
When measuring earthing or grounding means resistance:It is first turned on shell cover 6, inserts a key into lock core 4, rotary locking cylinder 4 keeps link stopper 401 de- From relief hole 204, you can rotated to knob 2, conductor block 201, which is rotated to horizontal position, can be realized the disconnected of earthing or grounding means Dataway operation.After being measured, by 2 cycle of knob, earthing or grounding means is connected to again, and rotary locking cylinder 4 makes link stopper 401 be caught in relief hole 204, shell cover 6 is closed, completes to measure work.
Although above-mentioned be described the specific implementation mode of invention in conjunction with attached drawing, not to the scope of the present invention Limitation, based on the technical solutions of the present invention, those skilled in the art, which need not make the creative labor, to be made Various modifications or changes still within protection scope of the present invention.

Claims (6)

1. a kind of earthing or grounding means convenient for measuring, it is characterised in that:Including shell (1), knob (2), brush (3), lock core (4), Shell (1) is the box-like of front openings, and the back side of shell (1) is provided with mounting base (101), and knob (2) is generally cylinder, rotation Button (2) includes one piece of conductor block (201), two pieces of insulators (202), and two insulators (202) are symmetrically arranged in conductor block (201) Both sides, knob (2) be arranged in shell (1), brush (3) knob (2) upper and lower ends respectively be arranged one, brush (3) packet Brush head (302), link block (303) are included, brush head (302) is arranged in shell (1), and brush head (302) is bonded with knob (2), connection Block (303) passes through shell (1), and mounting hole (102) corresponding with link block (303) is provided on shell (1), two brushes (3) Link block (303) is separately connected the cross-arm side and ground side of earthing or grounding means, and turn knob (2) can make the different piece of knob (2) It is contacted with brush head (302);On the outside of knob (2), lock core (4) connects a link stopper (401) for lock core (4) setting, and knob is arranged on (2) There are relief hole (204) corresponding with link stopper (401), rotary locking cylinder (4) that link stopper (401) can be made to be caught in or be detached from relief hole (204)。
2. a kind of earthing or grounding means convenient for measuring according to claim 1, characterized in that the side of the knob (2) is set It is equipped with external screw thread, shell (1) or brush head (302) are provided with corresponding internal thread with the contact surface of knob (2).
3. a kind of earthing or grounding means convenient for measuring according to claim 1, characterized in that the mounting hole (102) and company It connects and is provided with sealing shroud (5) between block (303).
4. a kind of earthing or grounding means convenient for measuring according to claim 1, characterized in that the earthing or grounding means further includes shell It covers (6), shell cover (6) is corresponding with the opening of shell (1).
5. a kind of earthing or grounding means convenient for measuring according to claim 1, characterized in that the shell (1) and brush head (302) it is additionally provided with spring (7) between, strip hole is provided on link block (303), the cross-arm side and ground side of earthing or grounding means are set It is equipped with threaded hole corresponding with the strip hole on link block (303).
6. a kind of earthing or grounding means convenient for measuring according to claim 1, characterized in that the brush head (302) and knob (2) it is provided with strip (301) on contact surface, corresponding card slot (203) is provided on knob (2).
CN201610487611.2A 2016-06-27 2016-06-27 A kind of earthing or grounding means convenient for measuring Active CN106025664B (en)

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Application Number Priority Date Filing Date Title
CN201610487611.2A CN106025664B (en) 2016-06-27 2016-06-27 A kind of earthing or grounding means convenient for measuring

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Application Number Priority Date Filing Date Title
CN201610487611.2A CN106025664B (en) 2016-06-27 2016-06-27 A kind of earthing or grounding means convenient for measuring

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CN106025664B true CN106025664B (en) 2018-07-20

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581497A (en) * 1984-03-08 1986-04-08 Transworld Drilling Company System for monitoring cathodic protection system of marine installations including an improved reel
CN2449372Y (en) * 2000-09-29 2001-09-19 郑启文 Plug with switch
CN201464561U (en) * 2009-06-13 2010-05-12 孙巍巍 Grounding resistance measuring device
CN102270806A (en) * 2010-06-01 2011-12-07 林润标 Insertion connection line lamp holder with rotary switch
CN203101518U (en) * 2012-11-29 2013-07-31 山东电力集团公司检修公司 High-precision low-power-consumption grounding resistance testing device
CN204154818U (en) * 2014-11-06 2015-02-11 国家电网公司 The multiplex grounding resistance measurement equipment of a kind of new mobile type

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581497A (en) * 1984-03-08 1986-04-08 Transworld Drilling Company System for monitoring cathodic protection system of marine installations including an improved reel
CN2449372Y (en) * 2000-09-29 2001-09-19 郑启文 Plug with switch
CN201464561U (en) * 2009-06-13 2010-05-12 孙巍巍 Grounding resistance measuring device
CN102270806A (en) * 2010-06-01 2011-12-07 林润标 Insertion connection line lamp holder with rotary switch
CN203101518U (en) * 2012-11-29 2013-07-31 山东电力集团公司检修公司 High-precision low-power-consumption grounding resistance testing device
CN204154818U (en) * 2014-11-06 2015-02-11 国家电网公司 The multiplex grounding resistance measurement equipment of a kind of new mobile type

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