CN105904400A - Rapid assembling and disassembling device for power transmission line fault indicator - Google Patents
Rapid assembling and disassembling device for power transmission line fault indicator Download PDFInfo
- Publication number
- CN105904400A CN105904400A CN201610313743.3A CN201610313743A CN105904400A CN 105904400 A CN105904400 A CN 105904400A CN 201610313743 A CN201610313743 A CN 201610313743A CN 105904400 A CN105904400 A CN 105904400A
- Authority
- CN
- China
- Prior art keywords
- wiper arm
- base body
- contact arm
- disassembling device
- transmission line
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
Abstract
The invention discloses a rapid assembling and disassembling device for a power transmission line fault indicator. The rapid assembling and disassembling device comprises a supporting body and a rod body connected with the supporting body. A bowl-shaped hole is formed in the top of the supporting body. The supporting body is provided with an indicator disassembling device body. The indicator disassembling device body comprises a shifting arm, contact arms and a transmission connecting rod. The shifting arm is movably connected with a fixing base on the supporting body and can swing within a certain angle with a connection point being the axis. The upper end of the shifting arm is provided with a fork opening. The contact arms are slidably connected with a connecting base on the supporting body. The transmission connecting rod is arranged between the shifting arm and the contact arms. The two ends of the transmission connecting rod are movably connected with the shifting arm and the contact arms correspondingly. The rapid assembling and disassembling device for the power transmission line fault indicator is used for assembling and disassembling of the indicator, when the rapid assembling and disassembling device is used, the rod body is operated on the ground by a person, the indicator can be rapidly assembled and disassembled, and power cut is not needed; and the operating distance is far, the effects of safety, rapidness and convenience are achieved, and labor and time are saved.
Description
Technical field
The invention belongs to power transmission and distribution line fault testing device construction equipment technical field, especially relate to a kind of defeated
The instrument that line fault indicator is rapidly assembled and disassembled.
Background technology
Transmission line malfunction indicator is widely used in electric line, the event of circuit in indicating certain section
Barrier.When line failure, the indicator in this section will send alarm signal, and track walker can be helped quickly to determine event
Barrier section also finds out trouble point.In using, fault detector is to be articulated on transmission line of electricity electric wire.Due to transmission line of electricity typically from
Ground is higher, and the installation and removal of transmission line malfunction indicator are relatively difficult.The installation of existing transmission line malfunction indicator,
Need to could realize by specific purpose tool, but utilize existing instrument cannot transmission line malfunction indicator be dismantled.When defeated
When line fault indicator itself goes wrong or has other problem to need to dismantle it, it is necessary to line outage and closely
Operate, not only affect circuit normal power supply, and big machinery need to be used, both operated inconvenience, take a lot of work laborious, there is again safety
Hidden danger.
Summary of the invention
The technical problem to be solved in the present invention is to provide one and integrates transmission line malfunction indicator and mount and dismount,
Device without the installation or removal that just can be rapidly completed indicator that have a power failure.
For solving above-mentioned technical problem, the present invention includes base body and the body of rod being attached thereto, and described base body top is provided with bowl
Shape cave, it is structurally characterized in that described base body is provided with indicator provision for disengagement, and described provision for disengagement includes wiper arm, contact arm and transmission
Connecting rod, described wiper arm is flexibly connected with the fixing seat on base body, and wiper arm can swing with junction point for axle in certain angle, dials
Arm upper end is provided with prong；Described contact arm slides with the connection seat on base body and connects, and contact arm can be up and down；Wiper arm and contact arm it
Between be provided with kinematic link, kinematic link two ends are flexibly connected with wiper arm and contact arm respectively, contact arm move up and down time can pass through transmission
Connecting rod drives wiper arm to swing.
Preferably described contact arm top is provided with the arc torr connected of living therewith, and contact arm is provided with back-moving spring.
The arc torr being further described is provided with screw rod, and contact arm upper end is provided with screw, and described screw rod connects with screw.
Described contact arm is provided with stop cave, connects seat and is provided with dogbolt, and described dogbolt the inner is provided with pin-and-hole,
Being provided with top spring and shank in pin-and-hole, shank front end slides with contact arm and connects.
Another the most described wiper arm is in " L " shape, and its lower end afterbody is provided with cross bar, and cross bar is with kinematic link activity even
Connecing, wiper arm is provided with the axle sleeve for being connected with fixing seat.
It is further that described wiper arm is provided with positioning screw, rotates positioning screw and can regulate the minimum of wiper arm and base body
Distance.
Described base body is provided with position-indicating device, described position-indicating device include electrical connection switch, direct projection light source and
Power supply；Described direct projection light source is located on the base body of wiper arm side nearby, and the light path of direct projection light source is upward.
Described base body is respectively provided on two sides with a contact arm.
The inwall in bowl-shape cave, described base body top is provided with elastic seal ring, is provided with plunger shaft, piston and side port in the body of rod,
Plunger shaft connects with bowl-shape cave, and piston is provided with piston rod, and piston rod is provided with handle, and handle concatenates with the side port of the body of rod, and
Can be movable in side port.
The beneficial effects of the present invention is: owing to the base body top of the present invention is provided with bowl-shape cave, base body is provided with indicator
Provision for disengagement, the wiper arm of provision for disengagement, contact arm are all flexibly connected with base body, can be driven by kinematic link when contact arm is up and down
Wiper arm swings.When installing indicator, open the pin that draws of indicator, and indicator is placed in the bowl-shape cave of base body, hand-held
Lift on the body of rod and just indicator can be articulated on electric wire.When needs dismounting indicator, first adjust contact arm, make wiper arm upper end be in
Interior receipts state；The most hand-held body of rod upper act, make the bowl-shape cave of base body relative with bottom indicator, and wiper arm prong and indicator draw pin
Connect, after contact arm connects with electric wire, firmly on plead body, contact arm makees downward relative motion under the retroaction of electric wire, simultaneously
Drive wiper arm swings, and wiper arm, while opening, is outwards stirred and drawn pin so that it is spue the electric wire mounted, indicator and electric wire
Depart from, fall in base body, complete indicator disassembling section.The present invention has the installation and removal function of indicator concurrently, and operates
Shi Wuxu has a power failure, and remote-controlled operation, safety, rapid and convenient, a people is the most operable, saves labor.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is overall schematic of the present invention；
Fig. 2 is base body side view of the present invention；
Fig. 3 is phantom of the present invention；
Fig. 4 is dogbolt sectional view of the present invention；
Fig. 5 is wiper arm side view of the present invention；
Fig. 6 is arc torr of the present invention and contact arm connection diagram；
Fig. 7 is present invention base body view when installing indicator；
Fig. 8 is present invention base body view before dismounting indicator；
Fig. 9 is indicator of the present invention base body view after removal.
Detailed description of the invention
With reference to Fig. 1, Fig. 2 and Fig. 3, this transmission line malfunction indicator fast assembling-disassembling device includes threaded base body 1
With the body of rod 2.Base body 1 is made by plastic insulation material, and its end face is provided with the bowl-shape cave 11 corresponding with indicator 8 size, shape；
Being additionally provided with the provision for disengagement of indicator 8 on base body 1, this provision for disengagement includes wiper arm 3, contact arm 4 and kinematic link 5.Wiper arm 3 is from side
Face sees that, in " L " shape, its lower end afterbody is provided with cross bar 33, and top is provided with " V " shape prong 31.Wiper arm 3 and the fixing seat 15 on base body 1
Being connected by bearing pin, wiper arm 3 can swing with this bearing pin flexibly for fulcrum in certain angle.Base body 1 is respectively provided on two sides with one
The contact arm 4 that bar is vertical, contact arm 4 slides with the connection seat 14 on base body 1 and connects, and contact arm 4 can be along connecting seat about 14 gliding motility.
Kinematic link 5 is located between wiper arm 3 and contact arm 4, and kinematic link 5 two ends are hinged with cross bar 33 and contact arm 4 respectively, and contact arm 4 is upper and lower
Wiper arm 3 can be driven to swing by kinematic link 5 during motion.Contact arm 4 is provided with back-moving spring 42, this back-moving spring 42 Main Function
It is to support contact arm 4 so that it is keep the state lifted on nature, in order to during dismounting indicator, contact arm 4 top connects with electric wire 7.?
Base body 1 end face is provided with position-indicating device 6, and this position-indicating device 6 includes the switch 61 of electrical connection, LED direct projection light source 62 and
Battery；Direct projection light source 62 is located at base body 1 end face near wiper arm 3 side, and the light path of direct projection light source 62 is upward.Position-indicating device
The light source of 6 plays wiper arm 3 location and the effect of illuminated guidance, and owing to indicator 8 is higher apart from ground, general distance ground is
15 to 20 meters.When dismantling indicator, contact arm 4 is needed to draw pin 81 synchronized links with prong 31 and the indicator of electric wire 7, wiper arm 3
Put in place, linkage could be worked in coordination with, and then indicator is unloaded；Therefore wiper arm prong 31 be initially positioned with key, by direct light
Source 62 makes the prong 31 of wiper arm 3 be maintained on light source optical path with pin 81 tail end that draws of indicator 8, and on ground pre-set group
The position of arm 3, can be prevented effectively from maloperation.Meanwhile, utilize direct projection light source 62 to also help guiding operator to find accurately and draw pin 81
Put, when dismantling night, particularly convenient.
The inwall in the bowl-shape cave 11 of base body 1 is provided with elastic seal ring 13, and the body of rod 2 uses insulation body, and base body 1 lower end sets
Having through hole 12, the body of rod 2 to threaded with through hole 12, the body of rod 2 tube chamber communicates with bowl-shape cave 11.The body of rod 2 bottom be provided with plunger shaft 21,
Piston 22 and side port 25, plunger shaft 21 is connected with bowl-shape cave 11 by tube chamber；Piston 22 is provided with piston rod 23, piston rod 23 times
End sweep is handle 24, and handle 24 end reaches outside side port 25, and can be movable in side port.Handle 24 is utilized to control
Piston 22 moves along plunger shaft 21, thus inflates in bowl-shape cave 11.Elastic seal ring 13 1 aspect is conducive to fixing indicator,
To avoid when installing indicator because the body of rod rocks the indicator dislocation caused or comes off；On the other hand sealing function is also acted as,
After indicator 8 is connected with base body, elastic seal ring 13 can also close the space of bottom, bowl-shape cave 11.When installing indicator, must
Must utilize the body of rod quickly upper act, indicator just can be made to be connected with wire 7, owing to the liftoff comparison of wire is high, the body of rod 2 is the most thinner
Long, the body of rod easily rocks, impact operation, and utilizes handle 24 to make piston 22 the most up, inflates bowl-shape cave 11 lower lumen,
Indicator can be made to be pressed top rapidly, and then complete the mounting of indicator and electric wire under the effect of air-flow, it is not necessary to lift on the body of rod,
Operation can be completed, and operation accurate stable is laborsaving.
With reference to Fig. 2 and Fig. 4, contact arm 4 is provided with stop cave 43, connects seat 14 and is provided with the most threaded dogbolt
44；Dogbolt 44 the inner is provided with pin-and-hole 441, is provided with top spring 443 and shank 442 in pin-and-hole 441, and shank 442 front end reaches
Outside pin-and-hole 441, shank 442 front end slides with contact arm 4 and connects.When installing indicator, contact arm 4 can be gone downwards to pre-determined bit
Put, make shank 442 front end enter in stop cave 43, lock contact arm 4.When dismantling indicator, first wiper arm 3 is opened to certain angle
Degree, contact arm 4 locks the most automatically, is avoided that wiper arm 3 is excessively opened.
With reference to Fig. 2 and Fig. 5, wiper arm 3 is provided with the positioning screw 32 being flexibly connected therewith, and rotating positioning screw 32 can adjust
Joint wiper arm 3 and the distance of base body 1, the beneficially location of wiper arm 3.Open direct projection light source 62 and adjust positioning screw 32 again, can be quick
Accurately determine the initial position of wiper arm 3.Wiper arm afterbody is provided with the cross bar 33 being fastenedly connected therewith, cross bar 33 and kinematic link 5
Hinged；Wiper arm 3 is provided with the axle sleeve 34 for being connected with fixing seat 15, and wiper arm 3 is connected by bearing pin, the most also with fixing seat 15
The connected modes such as bearing can be used.
With reference to Fig. 2 and Fig. 6, contact arm 4 top is provided with the arc torr 41 connected of living therewith, and arc torr 41 end face is curved, has
It is beneficial to contact arm 4 connect with electric wire 7.Being provided with screw rod 411 bottom arc torr 41, contact arm 4 upper end is provided with screw 45, screw rod 411 and spiral shell
Hole 45 threaded engagement, rotary screw can adjust the height of arc torr 41 easily, is conducive to adjusting wiper arm 3 and contact arm 4 action
Harmony and uniformity.
With reference to Fig. 7, Fig. 8 and Fig. 9, the present invention is for the installation and removal line-failure indicator 8 on transmission of electricity electric wire 7.
As it is shown in fig. 7, when mounted, the wiper arm 3 of base body 1 is in opening shape, and contact arm 4 position locks, and indicator 8 is placed on bowl-shape cave 11
In, the hand-held body of rod is lifted, makes indicator 8 dock with electric wire and can complete mounting.As shown in Figure 8 and Figure 9, in dismounting indicator
Time, need to first open contact arm 4 and lock, regulate wiper arm 3, by position-indicating device 6.Wiper arm prong is made to be in precalculated position, then
The hand-held body of rod is lifted on the whole, and the bowl-shape cave 11 making base body 1 is relative with indicator 8, and direct projection light source 62 draws outside pin 81 with indicator 8
End relatively, now, contact arm 4 and wiper arm 3 the most respectively with electric wire 7 and draw pin 81 to connect；Being further continued for act, contact arm 4 is at the work of electric wire 7
Under with, make downward relative motion, and drive wiper arm 3 to open by kinematic link 5, transfer to and draw pin 81, make indicator just with electricity
Line departs from, and indicator 8 falls in bowl-shape cave 11.
Claims (9)
1. a transmission line malfunction indicator fast assembling-disassembling device, including base body (1) and the body of rod (2) that is attached thereto, described
Base body (1) top is provided with bowl-shape cave (11), it is characterized in that described base body (1) is provided with indicator provision for disengagement, and described dismounting fills
Putting and include wiper arm (3), contact arm (4) and kinematic link (5), described wiper arm (3) is movable with the fixing seat (15) on base body (1) even
Connecing, wiper arm (3) can swing with junction point for axle in certain angle, and wiper arm (3) upper end is provided with prong (31)；Described contact arm
(4) connecting with connection seat (14) slip on base body (1), contact arm (4) can be up and down；It is provided with between wiper arm (3) and contact arm (4)
Kinematic link (5), kinematic link (5) two ends are flexibly connected with wiper arm (3) and contact arm (4) respectively, and contact arm (4) can when moving up and down
Wiper arm (3) is driven to swing by kinematic link (5).
2., according to the transmission line malfunction indicator fast assembling-disassembling device described in claim 1, it is characterized in that described contact arm (4)
Top is provided with the arc torr (41) connected of living therewith, and contact arm (4) is provided with back-moving spring (42).
3., according to the transmission line malfunction indicator fast assembling-disassembling device described in claim 2, it is characterized in that described arc torr
(41) being provided with screw rod (411), contact arm (4) upper end is provided with screw (45), and described screw rod (411) connects with screw (45).
4., according to the transmission line malfunction indicator fast assembling-disassembling device described in Claims 2 or 3, it is characterized in that described contact arm
(4) being provided with stop cave (43), connect seat (14) and be provided with dogbolt (44), described dogbolt (44) the inner is provided with pin-and-hole
(441), being provided with top spring (443) and shank (442) in pin-and-hole (441), shank (442) front end slides with contact arm (4) and connects.
5. according to the transmission line malfunction indicator fast assembling-disassembling device described in claim 1, it is characterized in that described wiper arm (3) in
" L " shape, its lower end afterbody is provided with cross bar (33), and cross bar (33) is flexibly connected with kinematic link (5), wiper arm (3) be provided with for
The axle sleeve (34) being connected with fixing seat (15).
6., according to the transmission line malfunction indicator fast assembling-disassembling device described in claim 5, it is characterized in that in described wiper arm (3)
It is provided with positioning screw (32), rotates positioning screw (32) and the distance of wiper arm (3) and base body (1) can be regulated.
7., according to the transmission line malfunction indicator fast assembling-disassembling device described in claim 1, it is characterized in that on described base body (1)
Being provided with position-indicating device (6), described position-indicating device (6) includes switch (61), direct projection light source (62) and the electricity of electrical connection
Source；Described direct projection light source (62) is located on the base body (1) of wiper arm (3) side nearby, and the light path of direct projection light source (62) is upward.
8., according to the transmission line malfunction indicator fast assembling-disassembling device described in claim 1, it is characterized in that described base body (1) two
Side is respectively equipped with a contact arm (4).
9., according to the transmission line malfunction indicator fast assembling-disassembling device described in claim 1, it is characterized in that described bowl-shape cave
(11) inwall is provided with elastic seal ring (13), and the described body of rod (2) is threadeded with base body (1), and the body of rod is provided with piston in (2)
Chamber (21), piston (22) and side port (25), plunger shaft (21) connects with bowl-shape cave (11), and piston (22) is provided with piston rod
(23), piston rod (23) is provided with handle (24), and handle (24) concatenates with the side port (25) of the body of rod, and can be movable in side port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313743.3A CN105904400B (en) | 2016-05-12 | 2016-05-12 | Transmission line malfunction indicator fast assembling-disassembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313743.3A CN105904400B (en) | 2016-05-12 | 2016-05-12 | Transmission line malfunction indicator fast assembling-disassembling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105904400A true CN105904400A (en) | 2016-08-31 |
| CN105904400B CN105904400B (en) | 2017-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610313743.3A Active CN105904400B (en) | 2016-05-12 | 2016-05-12 | Transmission line malfunction indicator fast assembling-disassembling device |
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| Country | Link |
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| CN (1) | CN105904400B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108214396A (en) * | 2016-12-21 | 2018-06-29 | 天津绪阳本华科技有限公司 | A kind of energy monitoring apparatus circuit fault annunciator erecting device |
| CN110646711A (en) * | 2019-10-17 | 2020-01-03 | 国网山东省电力公司平原县供电公司 | 10 kilovolt overhead line intelligent fault monitoring system and special mounting rod thereof |
| CN112152142A (en) * | 2020-09-14 | 2020-12-29 | 刘正花 | Line fault indicator dismounting structure for power equipment and dismounting method thereof |
| CN113241672A (en) * | 2021-07-12 | 2021-08-10 | 天津滨电电力工程有限公司 | Full-automatic dismounting device for fault indicator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19536350A1 (en) * | 1995-09-29 | 1997-04-03 | Daimler Benz Aerospace Ag | Tool for removing countersunk bolts from quick-lock connectors |
| CN202684853U (en) * | 2012-07-30 | 2013-01-23 | 白庆永 | Tool for detaching aerial fault indicator under electrified state |
| CN202949165U (en) * | 2012-12-10 | 2013-05-22 | 衡水供电公司 | Quick installer of line fault indicating lamp |
| CN203148977U (en) * | 2013-03-20 | 2013-08-21 | 国家电网公司 | Pressure spring type fault indicator live puller |
| CN203433078U (en) * | 2013-09-18 | 2014-02-12 | 国家电网公司 | Device for mounting and dismounting line fault indicator |
| CN104577872A (en) * | 2014-12-17 | 2015-04-29 | 国网宁夏电力公司中卫供电公司 | Device for charged removal of fault indicators |
-
2016
- 2016-05-12 CN CN201610313743.3A patent/CN105904400B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19536350A1 (en) * | 1995-09-29 | 1997-04-03 | Daimler Benz Aerospace Ag | Tool for removing countersunk bolts from quick-lock connectors |
| CN202684853U (en) * | 2012-07-30 | 2013-01-23 | 白庆永 | Tool for detaching aerial fault indicator under electrified state |
| CN202949165U (en) * | 2012-12-10 | 2013-05-22 | 衡水供电公司 | Quick installer of line fault indicating lamp |
| CN203148977U (en) * | 2013-03-20 | 2013-08-21 | 国家电网公司 | Pressure spring type fault indicator live puller |
| CN203433078U (en) * | 2013-09-18 | 2014-02-12 | 国家电网公司 | Device for mounting and dismounting line fault indicator |
| CN104577872A (en) * | 2014-12-17 | 2015-04-29 | 国网宁夏电力公司中卫供电公司 | Device for charged removal of fault indicators |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108214396A (en) * | 2016-12-21 | 2018-06-29 | 天津绪阳本华科技有限公司 | A kind of energy monitoring apparatus circuit fault annunciator erecting device |
| CN110646711A (en) * | 2019-10-17 | 2020-01-03 | 国网山东省电力公司平原县供电公司 | 10 kilovolt overhead line intelligent fault monitoring system and special mounting rod thereof |
| CN112152142A (en) * | 2020-09-14 | 2020-12-29 | 刘正花 | Line fault indicator dismounting structure for power equipment and dismounting method thereof |
| CN113241672A (en) * | 2021-07-12 | 2021-08-10 | 天津滨电电力工程有限公司 | Full-automatic dismounting device for fault indicator |
| CN113241672B (en) * | 2021-07-12 | 2021-09-10 | 天津滨电电力工程有限公司 | Full-automatic dismounting device for fault indicator |
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|---|---|
| CN105904400B (en) | 2017-10-03 |
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