CN203787595U

CN203787595U - Earthing wire clamp

Info

Publication number: CN203787595U
Application number: CN201420192966.5U
Authority: CN
Inventors: 贾崇胜; 黄志新; 孟令杰; 岳仁峰
Original assignee: State Grid Corp of China SGCC; Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date: 2014-04-21
Filing date: 2014-04-21
Publication date: 2014-08-20
Anticipated expiration: 2024-04-21

Abstract

The utility model provides an earthing wire clamp which comprises a clamping end and a holding end. The clamping end includes an upper supporting rod and a lower supporting rod. Middle parts of the upper supporting rod and the lower supporting rod are fixedly connected into one through a bolt. A lower part of the front end of the upper supporting rod is fixedly connected with the upper end of an upper connecting rod. The lower end of the upper connecting rod is hinged to the upper surface of an upper clamping plate. An upper part of the front end of the lower supporting rod is fixedly connected with the lower end of a lower connecting rod. The upper end of the lower connecting rod is hinged to the lower surface of a lower clamping plate. The rear end of the upper supporting rod and the rear end of the lower supporting rod are connected by a tension spring. The holding end includes an upper holding handle and a lower holding handle. Middle parts of the upper holding handle and the lower holding handle are fixed into one through a rotating shaft. Front ends of the upper holding handle and the lower holding handle clamp the rear ends of the upper supporting rod and the lower supporting rod. Both rear ends of the upper holding handle and the lower holding handle are wrapped by insulating layers. The earthing wire clamp is simple in structure and convenient to operate, can be adapted to buses of different specifications and shapes through the clamping plates in the front ends of the clamping end. Meanwhile, the earthing wire clamp realizes holding by utilizing a pulley block in a time-saving and labor-saving manner, and furthermore has high stability.

Description

A kind of earthing clamp

Technical field

The utility model relates to a kind of ground wire connecting device, specifically a kind of earthing clamp.

Background technology

At present 35kV bus bar, 10kV bus bar, main transformer low-pressure side bus crane span structure be in changing the process of maintenance into, wastes time and energy most and be also that the most dangerous operation is exactly the operation of hanging earthing conductor.High-voltage grounding wire is for circuit and Substation construction, guarantees the use of safety when preventing that neighbour's electrified body from producing electrostatic induction electric shock or false switching.In the operation of current hanging earthing conductor, be all to utilize earthing clamp and ground connection rifle to be used in conjunction with, yet, existing earthing clamp applicability is not strong, and operating and waste time and energy, can there is the loosening phenomenon of bracing wire after using a period of time in original ground connection rifle, causes ground connection rifle cannot continue to use.

Utility model content

In order to address the above problem, the utility model provides a kind of earthing clamp, has solved earthing clamp bad adaptability, problem that stability is low.

The utility model is by the following technical solutions: a kind of earthing clamp, it is characterized in that, comprise bare terminal end and holding end, described bare terminal end comprises upper support bar and lower support bar, described upper support bar and the middle part of lower support bar fix as one by bolt, the affixed upper small end in below of described upper support bar front end, the lower end of described upper connecting rod and the upper surface of train wheel bridge are hinged, the lower end of the affixed lower link in top of the front end of described lower support bar, the upper end of described lower link and the lower surface of lower plate are hinged, described upper support bar rear end is connected by a tension spring with lower support bar rear end, described holding end comprises lever and lower lever, and the middle part of described upper and lower lever is fixed as one by rotating shaft, and the front end of described upper and lower lever clamps the rear end of upper and lower support bar, and described upper lever rear end and lower lever rear end are all coated with insulating barrier.

Further, the rear end of described upper and lower support bar is respectively equipped with a bayonet socket, and the front end of described upper and lower lever is respectively equipped with a buckle, and described bayonet socket and buckle engage mutually.

Further, described holding end also comprises pedestal and assembly pulley, described pedestal is the cavity of inner hollow, the middle part of the affixed lower lever downside in upper end of described pedestal, the right flank of described pedestal is hinged with a holding rod, described assembly pulley comprises the first pulley, the second pulley, the 3rd pulley and lead-in wire, the first described pulley is arranged on lower lever front end one side, the second described pulley and the 3rd pulley are fixed on base interior, and the second pulley is positioned at the top of the 3rd pulley, the upper end of described lead-in wire is fixed on the front end of lever, the lower end of lead-in wire is walked around the first pulley successively, the second pulley and the 3rd pulley, and be fixed on the right-hand member of holding rod upper side.

Further, between described upper lever rear end and lower lever rear end, be provided with the tension spring that connects upper and lower lever.

Further, described holding rod inner hollow, the right-hand member of described lead-in wire is inner affixed with the right side of holding rod through holding rod.

The beneficial effects of the utility model are: the utility model is simple in structure, easy to operate, by the clamping plate of bare terminal end front end, can adapt to the bus of different size and shape, meanwhile, utilize assembly pulley to realize and grip, not only time saving and energy saving, and stability is higher.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of execution mode of the utility model;

Fig. 2 is the structural representation of the another kind of execution mode of the utility model.

In figure: 1 upper support bar, 2 lower support bars, connecting rod on 3,4 lower links, 5 train wheel bridges, 6 lower plates, 7 tension springs, lever on 8,9 times levers, 10 insulating barriers, 11 hinges, 12 bolts, 13 rotating shafts, 14 bayonet sockets, 15 buckles, 16 pedestals, 17 first pulleys, 18 second pulleys, 19 the 3rd pulleys, 20 lead-in wires, 21 holding rods.

Embodiment

A kind of earthing clamp of execution mode as shown in Figure 1, comprise bare terminal end and holding end, described bare terminal end comprises upper support bar 1 and lower support bar 2, described upper support bar 1 and the middle part of lower support bar 2 fix as one by bolt 12, affixed upper connecting rod 3 upper ends, below of described upper support bar 1 front end, the upper surface of the lower end of described upper connecting rod 3 and train wheel bridge 5 is hinged by hinge 11, the lower end of the affixed lower link 4 in top of the front end of described lower support bar 2, the lower surface of the upper end of described lower link 4 and lower plate 6 is hinged by hinge 11, described upper support bar 1 rear end is connected by a tension spring 7 with lower support bar 2 rear ends, described holding end comprises lever 8 and lower lever 9, the middle part of described upper and lower lever is fixed as one by rotating shaft 13, the front end of described upper and lower lever clamps the rear end of upper and lower support bar, and described upper lever rear end and lower lever rear end are all coated with insulating barrier 10.

During use, with instrument or hand, grip insulating barrier, make upper and lower clamping plate separately, be then clamped on bus, for the variable-angle of upper and lower clamping plate, thereby can adapt to difform bus.

A kind of execution mode of the tinkling of pieces of jade is further as shown in Figure 2, earthing clamp, comprise bare terminal end and holding end, described bare terminal end comprises upper support bar 1 and lower support bar 2, described upper support bar 1 and the middle part of lower support bar 2 fix as one by bolt 12, affixed upper connecting rod 3 upper ends, below of described upper support bar 1 front end, the upper surface of the lower end of described upper connecting rod 3 and train wheel bridge 5 is hinged by hinge 11, the lower end of the affixed lower link 4 in top of the front end of described lower support bar 2, the lower surface of the upper end of described lower link 4 and lower plate 6 is hinged by hinge 11, described upper support bar 1 rear end is connected by a tension spring 7 with lower support bar 2 rear ends, on described, the rear end of lower support bar is respectively equipped with a bayonet socket 14,

Described holding end comprises lever 8, lower lever 9, pedestal 16 and assembly pulley, on described, the middle part of lower lever is fixed as one by rotating shaft 13, on described, in the front end clamping of lower lever, the rear end of lower support bar, described upper lever rear end and lower lever rear end are all coated with insulating barrier 10, between described upper lever rear end and lower lever rear end, be provided with in connection, the tension spring of lower lever, on described, the front end of lower lever is respectively equipped with a buckle 15, described bayonet socket 14 and buckle 15 engage mutually, the cavity body structure that described pedestal 16 is inner hollow, the middle part of affixed lower lever 9 downsides in upper end of described pedestal 16, the right flank of described pedestal 16 is hinged with a holding rod 21, described assembly pulley comprises the first pulley 17, the second pulley 18, the 3rd pulley 19 and lead-in wire 20, the first described pulley 17 is arranged on lower lever 9 front end one sides, described the second pulley 18 and the 3rd pulley 19 are fixed on pedestal 16 inside, and the second pulley is positioned at the top of the 3rd pulley 19, the upper end of described lead-in wire 20 is fixed on the front end of lever 8, the lower end of lead-in wire 20 is walked around the first pulley 17 successively, the second pulley 18 and the 3rd pulley 19, and be fixed on the right-hand member of holding rod 21 upper sides.

Further, described holding rod 21 inner hollow, the right-hand member of described lead-in wire 20 is inner affixed with the right side of holding rod through holding rod.

During use, pull holding rod downwards, make holding rod and the laminating of pedestal sidewall, now, because lead-in wire pulls, drive the front end of upper and lower lever closed, thereby separate upper and lower clamping plate, clamping bus.

Except structure described in the utility model, all the other are prior art.

The above is preferred implementation of the present utility model; for those skilled in the art; not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvements and modifications are also regarded as protection range of the present utility model.

Claims

1. an earthing clamp, it is characterized in that, comprise bare terminal end and holding end, described bare terminal end comprises upper support bar and lower support bar, described upper support bar and the middle part of lower support bar fix as one by bolt, the affixed upper small end in below of described upper support bar front end, the lower end of described upper connecting rod and the upper surface of train wheel bridge are hinged, the lower end of the affixed lower link in top of the front end of described lower support bar, the upper end of described lower link and the lower surface of lower plate are hinged, and described upper support bar rear end is connected by a tension spring with lower support bar rear end; Described holding end comprises lever and lower lever, and the middle part of described upper and lower lever is fixed as one by rotating shaft, and the front end of described upper and lower lever clamps the rear end of upper and lower support bar, and described upper lever rear end and lower lever rear end are all coated with insulating barrier.

2. a kind of earthing clamp according to claim 1, is characterized in that, the rear end of described upper and lower support bar is respectively equipped with a bayonet socket, and the front end of described upper and lower lever is respectively equipped with a buckle, and described bayonet socket and buckle engage mutually.

3. a kind of earthing clamp according to claim 2, it is characterized in that, described holding end also comprises pedestal and assembly pulley, described pedestal is the cavity of inner hollow, the middle part of the affixed lower lever downside in upper end of described pedestal, the right flank of described pedestal is hinged with a holding rod, described assembly pulley comprises the first pulley, the second pulley, the 3rd pulley and lead-in wire, the first described pulley is arranged on lower lever front end one side, the second described pulley and the 3rd pulley are fixed on base interior, and the second pulley is positioned at the top of the 3rd pulley, the upper end of described lead-in wire is fixed on the front end of lever, the lower end of lead-in wire is walked around the first pulley successively, the second pulley and the 3rd pulley, and be fixed on the right-hand member of holding rod upper side.

4. a kind of earthing clamp according to claim 3, is characterized in that, is provided with the tension spring that connects upper and lower lever between described upper lever rear end and lower lever rear end.

5. a kind of earthing clamp according to claim 4, is characterized in that, described holding rod inner hollow, and the right-hand member of described lead-in wire is inner affixed with the right side of holding rod through holding rod.