CN204243235U - A kind of earth connection removes annex - Google Patents
A kind of earth connection removes annex Download PDFInfo
- Publication number
- CN204243235U CN204243235U CN201420787035.XU CN201420787035U CN204243235U CN 204243235 U CN204243235 U CN 204243235U CN 201420787035 U CN201420787035 U CN 201420787035U CN 204243235 U CN204243235 U CN 204243235U
- Authority
- CN
- China
- Prior art keywords
- bayonet socket
- shaped bayonet
- earth connection
- closed rod
- catch
- 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.)
- Expired - Fee Related
Links
- 230000005484 gravity Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008520 organization Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a kind of earth connection and remove annex, comprise U-shaped bayonet socket, the oral area of described U-shaped bayonet socket is provided with the unidirectional snap close of the opening of closed described U-shaped bayonet socket, bottom, described U-shaped bayonet socket first side is provided with one to the extension of downward-extension, the bottom of described extension is provided with screw socket, and upper end, described U-shaped bayonet socket second side is bent to form the seeker guiding earth connection chieftain to enter laterally in circular arc.The utility model only need increase with a ground wire operating lever when dismantling operation again removes annex, and a people can handled easily.
Description
Technical field
The utility model relates to earth connection removal tool.
Background technology
During current dismounting earth connection, use the instrument of clip, action bars and dropout rope composition, the clip of action bars upper end and earth terminal sub-buckle close with almost vertical angle by operating personnel below.Its main operating procedure is:
1, earth connection chieftain aimed at by action bars;
2, pull button rope, remove earth connection chieftain;
3, earth connection chieftain is regained.
Therefore, not only complex operation, efficiency is low, and easily occurs danger, specifically:
1, the distance of action bars 3 meters makes operator judge that difficulty is large from beneath aligning occlusion, and in docking operation, overexertion will make earth connection chieftain come off, and firmly deficiency can make action bars be engaged deficiency with earth connection chieftain;
2, need bracing wire on the other hand, on the other hand control operation bar, one hand will control so long action bars suitable difficulty;
3, after dropout rope pulls open, earth connection chieftain can unclamp, and one hand is held action bars and may to be taken advantage of a situation landing, swings to personnel or equipment, causes potential safety hazard.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of earth connection and removes annex, reduces the operating time, improves operating efficiency, can be operated, and take into account the fail safe of the person and equipment by the carrying out that a people is safe and simple.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of earth connection removes annex, comprise U-shaped bayonet socket, the oral area of described U-shaped bayonet socket is provided with the unidirectional snap close of the opening of closed described U-shaped bayonet socket, bottom, described U-shaped bayonet socket first side is provided with one to the extension of downward-extension, the bottom of described extension is provided with screw socket, and upper end, described U-shaped bayonet socket second side is bent to form the seeker guiding earth connection chieftain to enter laterally in circular arc
Preferably, described unidirectional snap close comprises a catch, the first end of described catch and the first side elastic hinge joint of U-shaped bayonet socket, second side madial wall of described U-shaped bayonet socket is provided with the stop head stopping that the second end of described catch pops up, earth connection chieftain snaps in U-shaped bayonet socket in by extruding catch downwards, after earth terminal subcard enters U-shaped bayonet socket, the second end of described catch pops up and leans on stop head.
Preferably, described unidirectional snap close comprises the first closed rod be wholely set, second closed rod, balancing weight, described first closed rod, second closed rod, the joint of balancing weight is hinged on the first side of U-shaped bayonet socket, described first closed rod, second closed rod, balancing weight is that angle is arranged around pin joint, when U-shaped bayonet socket is vertically arranged, under gravity, first closed rod is upturned and stops the opening to close U-shaped bayonet socket by the projection on the second side of U-shaped bayonet socket, earth connection chieftain is by extruding the first closed rod downwards and snapping in U-shaped bayonet socket, enter after in U-shaped bayonet socket at earth terminal subcard, second closed rod is by the closure of openings of U-shaped bayonet socket.
The utility model increases on ground wire operating lever removes annex realization, and earth connection mounting or dismounting use same action bars, and only need increase with a ground wire operating lever when dismantling operation again and remove annex, a people can handled easily.
And, earth connection is removed annex and is provided with and aims at earth connection chieftain releasing ring and the U-shaped bayonet socket that designs, and after dismounting, earth connection chieftain can hang in U-shaped bayonet socket, and structure is comparatively simple, at U-shaped bayonet socket opening part, a unidirectional snap close is set, after releasing ring can be made to enter U-shaped bayonet socket, its U-shaped bayonet socket is occluded ellipse type link, and any angle all can bracing wire, and earth connection chieftain can be greatly reduced to drop possibility, have enough mechanical strengths, reliability is high, and the cost removing annex is also lower.
In addition, ground wire operating lever is the folding structure of some joint folding rods and folding joint composition, and structure is simple, folding convenient, and volume after folding is little.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Fig. 1 is the front view that earth connection removes annex;
Fig. 2 is the end view that earth connection removes annex;
Fig. 3 is the vertical view that earth connection removes annex;
Fig. 4 is earth connection chieftain releasing ring scale diagrams;
Fig. 5 is U-shaped bayonet socket scale diagrams;
Fig. 6 is that in ground wire operating lever, folding rod coordinates schematic diagram with folding joint;
Fig. 7 is the structural representation of locking bar controlling organization;
Fig. 8 is the distressed structure schematic diagram that earth connection removes annex.
Embodiment
Earth connection removal tool below in concrete technical scheme, the earth connection comprising ground wire operating lever and be located at operating rod head of ground wire end removes annex.
As shown in Figure 1 to Figure 3, earth connection is removed annex 3 and is comprised U-shaped bayonet socket 31, unidirectional snap close 32 is provided with at the opening of U-shaped bayonet socket 31, this one-way lock button specifically, it is unidirectional spring snap close, namely a catch is provided with at the oral area of U-shaped bayonet socket, the first end of described catch and the first side 311 elastic hinge joint of U-shaped bayonet socket, second side 312 of described U-shaped bayonet socket is provided with and stops stop that the second end of described catch pops up 313, earth connection chieftain snaps in U-shaped bayonet socket in by extruding catch downwards, after earth terminal subcard enters U-shaped bayonet socket, second end of described catch pop up lean to stop on head and with the first side of U-shaped bayonet socket, second side and bottom side form one and ensure the latch enclosure district that the upper releasing ring of earth connection chieftain does not drop.
Bottom, described U-shaped bayonet socket first side is provided with an extension extended straight down 315, and the bottom of described extension 315 is provided with the head end threaded engagement of screw socket 33 and ground wire operating lever.
Described catch first end is by spring and U-shaped bayonet socket first side elastic hinge joint.Upper end, described U-shaped bayonet socket second side is bent to form the seeker 314 guiding releasing ring to enter laterally in circular arc, as shown in Figure 3, described seeker 314 lateral cross section is isosceles trapezoid, so that guide earth connection chieftain to enter U-shaped bayonet socket.
Wherein, earth connection is removed annex and is adopted aluminum alloy materials, and aluminum alloy material processing technology mainly contains casting and die casting, consider that earth connection is full copper conductor, and with insulating bar, its individual cigarette weight is at about 8kg.The scheme of die casting is have finally chosen, with further weight reduction by contrast.
In order to ensure that spring can reliably work, its material has except higher strength degree and yield limit except meeting, also must have higher elastic limit, fatigue limit, impact toughness, plasticity and good Technology for Heating Processing, the final stainless steel selecting hardness range HRC45 ~ 50.
In addition, in order to weight reduction, meet instructions for use simultaneously, extension 315 length 35 millimeters, U-shaped bayonet socket total length 105mm, stop that 313 in spherical, radius is 4mm, seeker 314 length is 20mm, and bottom U-shaped bayonet socket, arc radius is 15mm, and catch pin joint is apart from the first side 311 top 15mm of U-shaped bayonet socket, first side 311 of U-shaped bayonet socket and the second side 312 cross section of U-shaped bayonet socket all rectangular, its width is respectively 10mm and 5mm, and seeker inside bottom surface connects with stop title, seeker inside bottom surface distance from bottom U-shaped bayonet socket bottom surface 55mm.
As shown in Figure 4, earth connection chieftain releasing ring, integral diameter 38.5mm, side ring diameter 5mm, therefore, as shown in Figure 5, the width of U-shaped bayonet socket is set to 30mm, and the length of catch is 35mm, because the pin joint resistivity stopper of catch is slightly high, and catch length is greater than U-shaped bayonet socket width, therefore under the effect of stop head, catch rolls obliquely to U-shaped bayonet socket second.
The method using above-mentioned earth connection removal tool to remove earth connection is: both hands hold ground wire operating lever, upwards lift earth connection and remove annex and close earth connection, make earth connection close to the opening of U-shaped bayonet socket, earth connection chieftain snaps in U-shaped bayonet socket in by extruding catch downwards, after earth terminal subcard enters U-shaped bayonet socket, second end of catch pops up and to lean U-shaped bayonet socket closure of openings on stop head, makes U-shaped bayonet socket form one and ensures the latch enclosure district that the upper releasing ring of earth connection chieftain does not drop.
1, the operating operation test repeatedly through carrying out on physical device, releasing ring can be snapped in earth connection and remove in the draw-in groove of annex by operating personnel easily, and earth connection chieftain is sling, and takes off after setting level with action bars;
2, in operating process, operating personnel's whole process is all that both hands hold action bars, so can control comparatively accurately;
3, earth connection removes the accurate selection of spring in annex, and earth terminal subcard can effectively be entered by the U-shaped bayonet socket of annex;
4, in this process of the test, there is not the situation that earth connection chieftain drops.
Earth wire dismantling operation situation contrasts, and finds that the earth connection operating time obviously shortens:
1, after action bars installs earth connection dismounting annex additional, earth connection dismantling operation safely, conveniently, reliably.
Action bars installs additional after earth connection removes annex can block conductor end of earth wire releasing ring very easily, achieves fixing controlled dropout mode.In the process of threading off, use action bars can pull down earth connection easily.
2, after adopting earth connection to remove specific purpose tool, the dismounting earth connection time obviously shortens, and operating efficiency significantly promotes.
3, adopt after special removing tool, no longer adopt dropout lanyard, thus effectively avoid earth connection to touch in use procedure by mistake, pull button lanyard and the danger of dropping by mistake, improve the fail safe of maintainer's work.
Safety benefit.
1, earth connection dismantling operation convenience, reliability, fail safe are high;
2, make ground wire operating lever multi-use, add the service efficiency of instrument, reduce equipment fixation, safeguard needed for room and time;
3, make earth connection operate to assist without the need to other people, really accomplish that a people guards one man operation, meet the requirement of " State Grid Corporation of China's electric power safety working regulation (power transformation part) ".
Comprehensive benefit: shorten the earth connection operating time, namely shortens the interruption duration of equipment, improves the reliability index of equipment.
As shown in Figure 6 and Figure 7, described ground wire operating lever is made up of some joint folding rods 2, connected by folding joint 1 between described folding rod 2, described folding joint 1 is hinged with folding rod by the joint 11 at two ends, end winding support one tapered end 22 of described folding rod, described tapered end 22 is provided with locked groove 23, the corresponding described locked groove of described joint 11 is provided with vertical chute 13, be provided with a locking bar 14 in chute, described joint 11 is provided with a locking bar controlling organization control locking bar and slides up and down along chute thus locking bar snapped in or departs from locked groove.
Described locking bar controlling organization comprises the locking bar joystick 15 of a L shape, locking bar joystick lateral part end is hinged on joint, joint is provided with a locking bar joystick mouth 12, front end, locking bar joystick lateral part passes from locking bar joystick mouth, locking bar joystick vertically part connects front end, locking bar joystick lateral part and being positioned at outside locking bar joystick mouth, is provided with sliding track mechanism and controls locking bar and move up and down between locking bar joystick lateral part and locking bar.Described sliding track mechanism comprises the sleeve 18 be fixed in joint, and a socket slide bar 17 in described sleeve, described slide bar both sides are respectively equipped with a back-moving spring 16.Back-moving spring 16 two ends are provided with hook and are connected with locking bar 14 with locking bar joystick 15 lateral part respectively, slide bar 17 upper end can be connected by hook with locking bar joystick lateral part, can not directly be connected between slide bar lower end with locking bar 14, only have locking bar joystick to press down when promoting the descending disengaging locked groove 23 of locking bar 14 just to contact with locking bar, slide bar 17 end can be provided with a semi-circular recesses and coordinate with locking bar.When unclamping locking bar joystick 15, then back-moving spring 16 promotes locking bar joystick 15 and resets, and resets with hour locking lever joystick band moving slide-bar 17.
The section of described folding joint 1 is U-shaped structure, and the section of described tapered end 22 is also U-shaped structure.Described tapered end open side is provided with a protuberance 24, and described locked groove 23 is located at protuberance 24 one end, by inclined-plane 25 transition between described locked groove and tapered end bottom.Described tapered end 22 is fixed by rivet and folding rod.
Its operation principle is: press locking bar joystick 15, slide bar 17 is descending along sleeve 18, it is descending and depart from locked groove 23 that slide bar 17 promotes locking bar 14, such folding rod can opposing tabs 11 rotate, now again by folding rod 90-degree rotation, the equal 90-degree rotation of folding rod at folding joint two ends also aligns and closes up, after closing up like this, substantially reduce the space taken, structure closely.Protuberance 24 front end being exactly locked groove is in addition arc-shaped structure 26, and when such folding rod launches, locking bar 14 can snap in locked groove 23 automatically along arc-shaped structure 26.
As described in Figure 8, above-mentioned earth connection is removed annex 3 and also can be arranged like this, namely the structure of unidirectional snap close 32 is changed, described unidirectional snap close comprises the first closed rod 321 be wholely set, second closed rod 322, balancing weight 323, described first closed rod, second closed rod, the joint of balancing weight is hinged on the first side of U-shaped bayonet socket, described first closed rod, second closed rod, balancing weight is that angle is arranged around pin joint, when U-shaped bayonet socket is vertically arranged, under gravity, first closed rod is upturned and stops the opening to close U-shaped bayonet socket by the projection 316 on the second side of U-shaped bayonet socket, earth connection chieftain is by extruding the first closed rod downwards and snapping in U-shaped bayonet socket, enter after in U-shaped bayonet socket at earth terminal subcard, second closed rod is by the closure of openings of U-shaped bayonet socket.Described first closed rod is circular arc bar, and be provided with a dop 324 coordinated with projection 316 at the head end of the first closed rod, described second closed rod is straight-bar, and described balancing weight is fan-shaped.First side head end madial wall of described U-shaped bayonet socket is provided with the circular arc guiding earth connection chieftain to enter and guides domatic 317.When removing earth connection, at first, the stop making earth connection chieftain overcome the first closed rod by manpower snaps in U-shaped bayonet socket, balancing weight also overturns simultaneously, enters after in U-shaped bayonet socket at earth terminal subcard, and now earth connection chieftain produces active force to the first closed rod, the second closed rod is made to close the opening of U-shaped bayonet socket, and the center of gravity of whole unidirectional snap close also promotes the opening that the second closed rod closes U-shaped bayonet socket, like this, can prevent earth connection from skidding off.
Claims (3)
1. an earth connection removes annex, it is characterized in that: comprise U-shaped bayonet socket, the oral area of described U-shaped bayonet socket is provided with the unidirectional snap close of the opening of closed described U-shaped bayonet socket, bottom, described U-shaped bayonet socket first side is provided with one to the extension of downward-extension, the bottom of described extension is provided with screw socket, and upper end, described U-shaped bayonet socket second side is bent to form the seeker guiding earth connection chieftain to enter laterally in circular arc
2. a kind of earth connection according to claim 1 removes annex, it is characterized in that: described unidirectional snap close comprises a catch, the first end of described catch and the first side elastic hinge joint of U-shaped bayonet socket, second side madial wall of described U-shaped bayonet socket is provided with the stop head stopping that the second end of described catch pops up, earth connection chieftain snaps in U-shaped bayonet socket in by extruding catch downwards, after earth terminal subcard enters U-shaped bayonet socket, the second end of described catch pops up and leans on stop head.
3. a kind of earth connection according to claim 1 removes annex, it is characterized in that: described unidirectional snap close comprises the first closed rod be wholely set, second closed rod, balancing weight, described first closed rod, second closed rod, the joint of balancing weight is hinged on the first side of U-shaped bayonet socket, described first closed rod, second closed rod, balancing weight is that angle is arranged around pin joint, when U-shaped bayonet socket is vertically arranged, under gravity, first closed rod is upturned and stops the opening to close U-shaped bayonet socket by the projection on the second side of U-shaped bayonet socket, earth connection chieftain is by extruding the first closed rod downwards and snapping in U-shaped bayonet socket, enter after in U-shaped bayonet socket at earth terminal subcard, second closed rod is by the closure of openings of U-shaped bayonet socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420787035.XU CN204243235U (en) | 2014-12-12 | 2014-12-12 | A kind of earth connection removes annex |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420787035.XU CN204243235U (en) | 2014-12-12 | 2014-12-12 | A kind of earth connection removes annex |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204243235U true CN204243235U (en) | 2015-04-01 |
Family
ID=52772685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420787035.XU Expired - Fee Related CN204243235U (en) | 2014-12-12 | 2014-12-12 | A kind of earth connection removes annex |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204243235U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505609A (en) * | 2014-12-12 | 2015-04-08 | 国家电网公司 | Grounding wire dismounting accessory |
| CN109946557A (en) * | 2019-03-26 | 2019-06-28 | 国网江苏省电力有限公司扬州供电分公司 | A kind of electronics ground connection hook |
-
2014
- 2014-12-12 CN CN201420787035.XU patent/CN204243235U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505609A (en) * | 2014-12-12 | 2015-04-08 | 国家电网公司 | Grounding wire dismounting accessory |
| CN109946557A (en) * | 2019-03-26 | 2019-06-28 | 国网江苏省电力有限公司扬州供电分公司 | A kind of electronics ground connection hook |
| CN109946557B (en) * | 2019-03-26 | 2024-04-26 | 国网江苏省电力有限公司扬州供电分公司 | Electronic grounding hook |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204243235U (en) | A kind of earth connection removes annex | |
| CN204815444U (en) | Couple is weighed down in high air defence of rotatory switching formula electric power iron tower | |
| CN107671830A (en) | It is a kind of can self-locking cable clip suspension arrangement | |
| CN203205772U (en) | Overhead ground wire lifter | |
| CN204243430U (en) | A kind of earth connection removal tool | |
| CN204216382U (en) | Gun-type earth connection special removing tool | |
| CN104505609A (en) | Grounding wire dismounting accessory | |
| CN104505689B (en) | Gun-type earth connection special removing tool | |
| CN209108476U (en) | A kind of electric power cement pole steps on falling proof device when bar | |
| CN104505686B (en) | A kind of ground wire removal tool | |
| CN201726051U (en) | Special opening device for isolation baffle plate of transformer substation switch cabinet | |
| CN104300428A (en) | Anti-disengagement turning tackle for power transmission line | |
| CN104060939A (en) | Ladder for maintaining large grab bucket | |
| CN205547703U (en) | Self -adaptation fully adjustable walking stick | |
| CN208384948U (en) | A kind of fire-fighting drill stream of people's delivery apparatus | |
| CN205252350U (en) | Anti -falling device on transmission tower pole | |
| CN210630031U (en) | Medical gas remote cloud monitoring system | |
| CN203026475U (en) | Operating lever for replacing high-voltage fuse of ring main unit | |
| CN209637659U (en) | Electric line steps on bar ladder | |
| CN202640198U (en) | Machine cabinet tongs | |
| CN208481630U (en) | A kind of guardrail lifting device | |
| CN208828655U (en) | Switch cart transport guide rails and switch cart transporting equipment | |
| CN108188286B (en) | A kind of tooling that heating dish rivets in advance | |
| CN207134594U (en) | One kind ground wire suspension arrangement | |
| CN104307145A (en) | Whole process protection device of climbing plank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20191212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |