CN206020468U - Multi-contact overhead jointing clamp - Google Patents

Abstract

The utility model discloses Multi-contact overhead jointing clamp, including motion bar, sleeve, insulating bar, tension spring is provided with the sleeve, outer surface is provided with a guide groove, the guide groove is provided with multiple bayonet sockets, the outer surface of the motion bar is provided with double wedge, the motion bar, it is upper that the top of sleeve is respectively equipped with arcuation and can be mutually twisted, lower wiring jaw, on described, lower wiring binding clip includes arranging binding clip plate, link contact, multiple activity wiring contacts, the activity wiring contact includes compression spring, movable contact, connected using conductor between all contacts.This overhead jointing clamp is provided with the different contact of multiple setting angles, Multi-contact, ensure the good contact of contact and lead wiring point, the adjustable rotary shaft of elasticity is additionally provided with simultaneously, realize angular adjustment between insulating bar and motion bar, so as to realize can multi-angle wiring, applied widely, practicality is good, should be widely promoted.

Description

Multi-contact overhead jointing clamp

Technical field

The utility model is related in a kind of power domain the Work tool for carrying out overhaul of the equipments and status monitoring, and in particular to one Plant Multi-contact overhead jointing clamp.

Background technology

High-altitude wiring test equipment is that power department carries out preventive trial and repair based on condition of component test one kind necessity used Equipment, is mainly used in the electrical tests such as Duan Luqi disconnecting switch loop resistances, PT CT dielectric losses and capacitance test Altitude test wiring, its purpose one be by reduce testing crew operation height and away from tested device periphery electrical body protecting The personal safety of barrier testing crew, two is short form test wiring process.Traditional altitude test wiring is all often testing crew Climbing is got on, and as the electric pressure of electrical equipment is higher, the volume of electrical equipment is bigger, and wiring position is higher.With transformation As a example by device, the wiring point of the transformer of 220kV and above is usually apart from the aerial of more than 8 meters of ground level, no But difficult, high labor intensive, inefficiency is climbed, and there is the potential safety hazards such as falling from high altitude, electric shock.In order to reduce working Intensity, guarantee personal safety, overhaul of the equipments test is required for being equipped with high-altitude operation vehicle, the job costs on the one hand greatly increasing, Another aspect work on the spot environment is complicated, there is high voltage alive equipment around Awaiting Overhaul testing equipment, and high-altitude operation vehicle is parked Position, rising empty position has extremely strict regulation, and needs many people to be guarded, and operating efficiency is not high yet.For solving this A little problems, most of testing crews carry out test connection using overhead jointing clamp or other similar high-altitude wiring Work tools.

At present, the structure of overhead jointing clamp is mostly as shown in figure 3, including upper and lower wiring jaw, motion bar, insulation operation Bar, tester can complete test connection on ground using insulation operation, it is to avoid climb or employ the disadvantage of high-altitude operation vehicle in high-altitude End, but still have the following disadvantages：First, wiring binding clip includes being connected and the upper and lower wiring jaw in arc-shaped, and upper, Lower wiring jaw is all to clamp the fixed contact that tooth is connected as a single entity, and can only ensure each between bit and wire when wiring is carried out One contact point, when especially the lead larger to line footpath carries out test connection, easily causes wiring binding clip to contact with wiring point Bad, there is larger error so as to cause result of the test, make testing crew erroneous judgement be caused to the time of day of equipment；Second, Between upper and lower wiring jaw and insulating bar, angle of regulation range is little, it is impossible to meet field demand, can only act on level side To lead, and for complicated lead-out wire, such as the lead of wiring position for vertical or incline direction when, cannot just apply, practical Property is poor, and range of application is little.

Utility model content

In view of the shortcomings of the prior art, the utility model provides a kind of Multi-contact overhead jointing clamp, and this high-altitude connects Line tweezer is provided with multiple movable contacts, solves the defect of the presence of existing single contact, and movable contact has spring to provide pressure Power, has reached the purpose of wiring jaw and lead good contact, so as to ensure that the accuracy of result of the test.

In order to achieve the above object, the technical scheme that the utility model is taken：

Multi-contact overhead jointing clamp, including motion bar, insulating bar, sets between the motion bar and insulating bar Have sleeve, be provided with the sleeve one end be connected with the bottom of motion bar, the tension spring of the bottom connection of the other end and sleeve, institute The outer surface for stating sleeve is provided with a guide groove, and the guide groove is provided with multiple bayonet sockets, and the outer surface of the motion bar is provided with is matched somebody with somebody with bayonet socket Connection and can be along the double wedge of guide groove line activities is closed, the motion bar, the top of sleeve are respectively equipped with arcuation and can phase The mutual upper and lower wiring jaw of occlusion, the upper and lower wiring jaw include arranging the binding clip plate in arcuation, and the two of the binding clip plate End is equipped with the link contact for offering pincers tooth, is provided with an arcuation conducting strip, the conduction between two link contacts Piece is provided with multiple activity wiring contacts being obliquely installed, and the activity wiring contact includes the pressure bullet being connected with conducting strip Spring and compression spring connect and offer the movable contact of pincers tooth, are connected using wire between all contacts.

As optimal technical scheme, in order that the angle adjustable between motion bar and insulating bar, so as to apply In vertical or inclined lead wires, expand the scope of application of jointing clamp, improve overall practicality, the sleeve and insulating bar it Between be provided with the adjustable rotary shaft of elasticity, the rotary shaft is used for adjusting angle between motion bar and insulating bar.

Used as optimal technical scheme, the manufacture craft in order to ensure wiring binding clip is simple, while ensureing movable contact and drawing Line good contact, so as to be conducive to the accuracy for improving result of the test, the activity wiring contact to be set to 5.

Compared with prior art, the utility model has the advantage that：

1st, wiring binding clip is provided with two link contacts and multiple activity wiring contacts, changes existing single contact Structure, link contact is different from the setting angle of activity wiring contact in addition, and movable contact has compression spring to provide Act on the pressure on wire surface oxide-film, it is ensured that the effective contact of contact and wire, it is achieved that multiple contacts and lead Between good contact, improve result of the test accuracy.

2nd, the adjustable rotary shaft of elasticity is provided between sleeve and insulating bar, realizes motion bar and insulating bar Between both can be in same straight line, it is also possible to incline or vertical so that overhead jointing clamp can be applied not only to horizontal lead wire, Lead that is vertical or inclining can also be applied to, it is achieved that the wiring of multi-angle lead, applied range, practicality are good.

3rd, 5 activity wiring contacts are set to, it is ensured that the manufacture craft of upper and lower wiring jaw is simple, while guarantee activity Contact is effectively contacted with connector lug, so as to be conducive to the accuracy for improving result of the test.

Description of the drawings

The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.

Fig. 1 is structural representation of the present utility model；

Structural representations of the Fig. 2 for sleeve；

Fig. 3 is the structural representation of existing overhead jointing clamp；

Drawing reference numeral：1st, motion bar, 2, insulating bar, 3, sleeve, 3-1, guide groove, 3-2, bayonet socket, 4, tension spring, 5, Upper wiring jaw, 6, lower wiring jaw, 7, binding clip plate, 8, link contact, 9, conducting strip, 10, activity wiring contact, 10- 1st, compression spring, 10-2, movable contact, 11, rotary shaft, 12, connection bolt, 13, wire.

Specific embodiment

A kind of the utility model specific embodiment is proposed as depicted in figs. 1 and 2, and Multi-contact overhead jointing clamp, including perpendicular To the motion bar 1, more piece insulating bar 2 that arrange, using threaded connection, the joint number of insulating bar 2 between insulating bar 2 According to the height of field apparatus can flexible assembling, the motion bar 1 and most go up section insulating bar 2 between be provided with sleeve 3, and The bottom of motion bar 1 is sheathed on the upper end in sleeve 3, be provided with the sleeve 3 one end be connected with the bottom of motion bar 1, another The tension spring 4 that end is connected with the bottom of sleeve 3, the outer surface of the sleeve 3 are provided with a guide groove 3-1 along its length direction, Guide groove 3-1 is provided with multiple bayonet socket 3-2, and the outer surface of the motion bar is provided with The double wedge of groove 3-1 line activities, the motion bar 1, the top of sleeve 3 are respectively equipped with the upper wiring jaw 5 in arcuation, lower wiring Jaw 6, the upper wiring jaw 5, lower wiring jaw 6 external and internal compositionses identical and can be mutually twisted, the upper wiring jaw 5 Can rotate with motion bar 1, lower wiring jaw 6 is fixed on the top of sleeve 3, the upper wiring jaw 5, lower wiring jaw 6 are equal Including arranging the binding clip plate 7 in arcuation, the two ends of the binding clip plate 7 are equipped with and offer pincers tooth and horizontally disposed link Contact 8, is provided with an arcuation conducting strip 9 between two link contacts 8, the conducting strip 9 is provided with multiple work being obliquely installed Dynamic wiring contact 10, the activity wiring contact 10 include compression spring 10-1 and the compression spring being connected with conducting strip 9 10-1 ports connect and offer the movable contact 10-2 of pincers tooth, and link contact 8, movable contact 10-2 are by electrically conductive Metal material make, the present embodiment is chosen as copper sheet, is connected using wire 13 between all contacts, the wire 13 passes through Connection bolt 12 is fixed on wiring jaw 5, lower wiring jaw 6 and insulating bar 2.Made by operating insulating bar 2 Along after guide groove 3-1 linear slides, last landing is stuck on different bayonet socket 3-2 double wedge, so as to adjust motion bar 1 and sleeve 3 Between nested lengths, the length of tension spring 4 also changes, so as to adjust between upper wiring jaw 5, lower wiring jaw 6 Extended distance and the snap-in force between which.

The adjustable rotary shaft 11 of elasticity is provided between the sleeve 3 and insulating bar 2, and the rotary shaft 11 is used for adjusting Angle between whole motion bar 1 and insulating bar 2, it is connecting screw rod that this enforcement arranges rotary shaft 11, and insulating bar 2 can be around Rotary shaft 11 rotates, and when adjusting the angle between motion bar 1 and insulating bar 2, first unclamps rotary shaft 11, has manually adjusted exhausted Behind the direction of edge action bars 2, then rotary shaft 11 is tightened, realize the Angulation changes between motion bar 1 and insulating bar 2, that is, live Both can be in same straight line between lever 1 and insulating bar 2, it is also possible to which relative tilt is vertical, so as to this overhead jointing clamp Can be applied not only to the lead of horizontal direction, it is also possible to be applied to the lead of vertical or incline direction, it is achieved that multi-angle is drawn The wiring of line, applied range, practicality are good.

The activity wiring contact 10 is arranged less than being equal to 5, is preferably provided 5, if the quantity of activity wiring contact 10 Setting is very few, and the contact contacted with lead connector lug is less, it is impossible to ensure the good contact between which, affects the standard of result of the test True property；If the quantity of activity wiring contact 10 arranges excessive, the compression spring 10-1 small volumes for using, it is difficult to realize, with When contact overstocked, it is impossible to ensure the effective contact of contact and connector lug, therefore arrange 5 activity wiring contacts 10, it is ensured that above connect Line tweezer mouth 5, lower wiring jaw 6 manufacture craft simple, while ensure movable contact 10-2 and lead connector lug good contact, from And the accuracy for being conducive to improving result of the test.

Certainly, simply combine accompanying drawing above to be described in detail the utility model preferred embodiment, not Practical range of the present utility model is limited with this, all equivalence changes that is made according to principle of the present utility model, construction and structure, All should be covered by protection domain of the present utility model.

Claims (3)

1. Multi-contact overhead jointing clamp, including motion bar (1), insulating bar (2), it is characterised in that：Motion bar (1) Be provided with sleeve (3) between insulating bar (2), be provided with the sleeve (3) one end be connected with the bottom of motion bar (1), another The tension spring (4) that end is connected with the bottom of sleeve (3), the outer surface of sleeve (3) are provided with a guide groove (3-1), the guide groove (3-1) multiple bayonet sockets (3-2) are provided with, and the outer surface of motion bar (1) is provided with The double wedge of guide groove (3-1) line activities, motion bar (1), the top of sleeve (3) are respectively equipped with the upper jointing clamp in arcuation Mouth (5), lower wiring jaw (6), upper wiring jaw (5), lower wiring jaw (6) include arranging the binding clip plate in arcuation (7), the two ends of binding clip plate (7) are equipped with the link contact (8) for offering teeth, two link contacts (8) it Between be provided with the conducting strip (9) of an arcuation, conducting strip (9) are provided with multiple activities wiring contact (10) being obliquely installed, institute Compression spring (10-1) and compression spring (10-1) connection that activity wiring contact (10) includes being connected is stated with conducting strip (9) And the movable contact (10-2) of teeth is offered, connected using wire (13) between all contacts.

2. Multi-contact overhead jointing clamp according to claim 1, it is characterised in that：Sleeve (3) and insulation operation The adjustable rotary shaft of elasticity (11) is provided between bar (2), and the rotary shaft (11) is used for adjusting motion bar (1) with insulation operation Angle between bar (2).

3. Multi-contact overhead jointing clamp according to claim 1 and 2, it is characterised in that：The activity wiring contact (10) 5 are set to.