Summary of the invention
The object of the invention is to use and the fast not shortcoming of service speed for existing telescopic insulating bar, a kind of fast operating multifunctional high pressure action bars is provided.
Technical solution of the present invention is: it comprises operating head and the action bars consisting of some joint expansion joints, operating head consists of the operation headstock and the operating head body that are arranged on penetralia expansion joint upper end, operating head body is by body, the first jig arm, the second jig arm and torsion spring form, body is rotatably installed on operation headstock by bearing pin, the first jig arm and the second jig arm intersect, crosspoint is hinged on body by pin rod, torsion spring set is contained on pin rod, two ends are stuck in the first jig arm and the second jig arm the front jig arm of two jig arm are opened outward, operation headstock top rail is to being slidably fitted with the stop pin of controlling the locking angle of body on operation headstock, on stop pin, being set with front end is pressed on stop pin, rear end is pressed in the stage clip on operation headstock, the bearing pin of take on body is circumferentially with a plurality of stop pin counterbores that match with stop pin as the center of circle, in penetralia expansion joint, be provided with the insulated tube being movably arranged in expansion joint, the upper end of insulated tube is connected for tightening up two jig arm with the tail end of the first jig arm and the second jig arm respectively by stay cord, is provided with upper end top and is pressed in insulated tube upper and lower end top and is pressed in the insulated tube stage clip on expansion joint in penetralia expansion joint, the lower end of most external expansion joint is connected with operator, on operator, by wheel shaft, be rotatablely equipped with rope sheave, wheel shaft is fixed on operator and reels and the inner is installed is fixed on wheel shaft, outer end is fixed on the wind spring on rope sheave, on rope sheave, being wound with one end is fixed on rope sheave, the insulating cord that the other end is connected with insulated tube lower end through each expansion joint from bottom to top, rope sheave is provided with ratchet, on operator, be hinged with the ratchet matching with ratchet, on operator, be slidably fitted with the ejector pin that makes ratchet can lock ratchet and unlock, on ejector pin, being set with top, one end is pressed on ejector pin, other end top is pressed in the ejector pin stage clip on operator, on operator, be hinged with handle, handle laterally and between operator, be provided with that top, one end is pressed on operator, other end top is pressed in the handle stage clip on handle, on handle, be slidably fitted with the pusher dog matching with ratchet, on pusher dog, be set with that one end top is pressed on pusher dog, other end top is pressed in the pusher dog stage clip on handle.
Technique effect of the present invention is: while using its operation, reliability is high, and service speed is faster, can when winning drop switch or isolating switch fusion tube, fusion tube not fallen on the ground, uses safer.Between the expansion joint of this insulating bar, adopt quick-connect machanism to be connected, each expansion joint is elongated to locking and release, and to receive short speed faster, can improve service speed equally, each expansion joint elongates locking and also has two-way anti-rotation function, and operating function is not limited.After the locking of pulling expansion joint, the axial proper alignment of expansion joint is better, and during operation, action bars can not swing, and can improve equally accuracy and the service speed of operation, thereby can shorten the operating time, makes electric power maintenance speed faster.Its function is many, can be used for drawing and set out various drop switch, fuse and power switch.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, it comprises operating head 1 and the action bars 2 consisting of some joint expansion joints 21, operating head 1 consists of the operation headstock 11 and the operating head body that are arranged on penetralia expansion joint 21 upper ends, operating head body is by body 12, the first jig arm 13, the second jig arm 14 and torsion spring 15 form, body 12 is rotatably installed on operation headstock 11 by bearing pin 16, the first jig arm 13 and the second jig arm 14 intersect, crosspoint is hinged on body 12 by pin rod 17, torsion spring 15 is sleeved on pin rod 17, two ends are stuck in the first jig arm 13 and the second jig arm 14 the front jig arm of two jig arm are opened outward, on operation headstock 11, be laterally slidably fitted with the stop pin 3 of controlling the locking angle of body 12 on operation headstock 11, on stop pin 3, being set with front end is pressed on stop pin 3, rear end is pressed in the stage clip 4 on operation headstock 11, the bearing pin 16 of take on body 12 is circumferentially with a plurality of stop pin counterbores 18 that match with stop pin 3 as the center of circle, in penetralia expansion joint 21, be provided with the insulated tube 5 being movably arranged in expansion joint 21, the upper end of insulated tube 5 is connected for tightening up two jig arm with the tail end of the first jig arm 13 and the second jig arm 14 respectively by stay cord 19, is provided with upper end top and is pressed in insulated tube 5 upper and lower ends tops and is pressed in the insulated tube stage clip 51 on expansion joint 21 in penetralia expansion joint 21, the lower end of most external expansion joint 21 is connected with operator 6, on operator 6, by wheel shaft 61, be rotatablely equipped with rope sheave 62, wheel shaft 61 is fixed on operator 6 and reels and the inner is installed is fixed on wheel shaft 61, outer end is fixed on the wind spring 63 on rope sheave 62, on rope sheave 62, being wound with one end is fixed on rope sheave 62, the insulating cord 64 that the other end is connected with insulated tube 5 lower ends through each expansion joint 21 from bottom to top, rope sheave 62 is provided with ratchet 65, on operator 6, be hinged with the ratchet 66 matching with ratchet 65, on operator 6, be slidably fitted with the ejector pin 7 that makes ratchet 66 can lock ratchet 65 and unlock, on ejector pin 7, being set with top, one end is pressed on ejector pin 7, other end top is pressed in the ejector pin stage clip 71 on operator 6, on operator 6, be hinged with handle 8, handle 8 laterally with between operator 6 is provided with that top, one end is pressed on operator 6, the other end pushes up and is pressed in the handle stage clip 81 on handle 8, on handle 8, be slidably fitted with the pusher dog 82 matching with ratchet 65, on pusher dog 82, be set with that one end top is pressed on pusher dog 82, other end top is pressed in the pusher dog stage clip 83 on handle 8.
On operation headstock 11, be laterally provided with the drag link 20 for drawing drop switch fusion tube draw ring with the axial equidirectional side of bearing pin 16, on operation headstock 11, the offside of drag link 20 is provided with for connecting galvanoscopic electroscope connecting rod 30.The free end of drag link 20 is provided with hemisphere drawhead 201.Electroscope connecting rod 30 is ox horn shape to the knee of lateral bend forward again after palintrope for the other end being connected with operation headstock 11, and the free end of electroscope connecting rod 30 is provided with the external screw thread 301 being connected with electroscope and by screw thread, screw thread protection cap 302 is installed.
The outer end that stop pin 3 is positioned at operation headstock 11 outsides is provided with hand-lifting head 31.The medium position matching with stay cord 19 on bearing pin 16 is provided with bearing 161.
The opposite side of the first jig arm 13 and the second jig arm 14 front jig arm is respectively and matches for grasping the indent arcwall face of fusion tube, is respectively equipped with skid resistant course 131,141 on each indent arcwall face.The front end of the first jig arm 13 front jig arm is that the front end of middle tool fork head 132, the second jig arm 14 front jig arm jaggy can strengthen narrow 142 of grasping anticreep effect by breach for matching with breach.
Inside and outside the lower end of interior expansion joint 21 and the upper end of overhanging casing coupling 21 of matching by quick-connect machanism 9, be connected respectively, quick-connect machanism 9 is by upper connecting base 91, lower connecting base 92, pull sheath 93, several lock steel ball 94, jump ring 95, press spring base 96 and stage clip 97 form, upper connecting base 91 is for being arranged on the cylindrical body of overhanging casing coupling 21 inside, upper end, the endoporus of upper connecting base 91 is that aperture, top is little, the bellmouth that aperture, bottom is large, each steel ball 94 is arranged on respectively in several steel ball holes 98 on overhanging casing coupling 21 barrels of upper connecting base 91 upper end opposite positions, jump ring 95 is arranged on the jump-ring slot 99 on the overhanging casing coupling 21 upper end outer walls that are positioned at steel ball hole 98 tops, lower connecting base 92 is in upper end is fixedly inserted into interior expansion joint 21 lower end nozzles, lower end slip cap is contained in the cylindrical body in upper connecting base 91 and overhanging casing coupling 21, the hypomere outer wall that lower connecting base 92 matches with the bellmouth of upper connecting base 91 is up-thin-low-thick cone cylindricality, the outer wall that lower connecting base 92 is positioned at expansion joint 21 belows is provided with several steel ball counterbores 100 matching with steel ball hole 98 on upper connecting base 91, pull the cylindrical body of sheath 93 overhanging casing coupling 21 outsides, upper end for slip cap is contained in, the middle part that pulls sheath 93 endoporus is provided with the internal projecting ring 101 that a circle is positioned at steel ball hole 98 belows, press spring base 96 is fixedly set on overhanging casing coupling 21 outer walls and is enclosed within the ring bodies that pulls sheath 93 for being positioned at the below of internal projecting ring 101, stage clip 97 is positioned at and pulls sheath 93 and be sleeved on external extension joint 21, and top, the upper end of stage clip 97 is pressed in internal projecting ring 101 upper and lower ends tops, lower surface and is pressed on press spring base 96 upper surfaces.
The upper end that pulls sheath 93 is fixed with the ring jacket cap 102 that is sleeved on interior expansion joint 21 outsides.The upper surface of internal projecting ring 101 is interior low outer height, be conducive to the taper surface of steel ball 94 actions.Each steel ball hole 98 and each steel ball counterbore 100 be take respectively the axis of each expansion joint 21 on the center of circle is circumferentially the distributed in upper and lower Connection Block 92 of overhanging casing coupling 21 and are corresponding one by one, for locking stretching joint 21, prevent to rotate.
Operating principle: need to move ratchet 66 with hand during each expansion joint 21 of opening operation bar and make ratchet 66 discharge ratchets 65, pull with hand interior expansion joint 21 just can extract interior expansion joint 21 in overhanging casing coupling 21, when interior expansion joint 21 is nearly extracted completely, with hand, pull back pull sheath 93 and rotate in expansion joint 21 steel ball 94 is entered in steel ball counterbore 100, unclamp and pull sheath 93 internal projecting rings 101 and just can make steel ball be stuck in steel ball counterbore 100, each action bars 2 is opened and axially locks and can two-way anti-rotation.Then with hand, move ratchet 66 and make the ratchet 66 locking ratchet 65 that is meshed with ratchet on ratchet 65.Take and change drop switch fuse as example, first with the drag link 20 on operating head 1, fusion tube is left behind, with hand, hold fixed handle 8 once and by pusher dog 82 and ratchet 65, control rope sheaves 62 and tighten up insulating cord 64 and drive insulated tubes 5 and stay cord 19 that the front jig arm of the first jig arm 13 and the second jig arm 14 is tightened up and gripped fusion tube, just can safely fusion tube be taken off.While unclamping fusion tube, with hand, move that ratchet 66 discharges ratchet 65, the first jig arm 13 and the second jig arm 14 can be opened fast under the effect of torsion spring 15, just can take off fusion tube and change fuse, consistent with aforesaid operations process during installation fusion tube.Hang up the prong that can utilize after fusion tube between the first jig arm 13 and the front jig arm of the second jig arm 14 fusion tube of slippaging.While receiving action bars, first with hand post-tensioning, pull sheath 93 and with expansion joint 21 in hand retraction, just can make action bars 2 receipts short again, insulating cord 64 is meeting automatic rewinding under the effect of wind spring 63, and operation is convenient again fast.