CN103368104A - Insulating operating rod of ground potential operation non-bearing-strength consecutive wire clamp - Google Patents

Abstract

The invention provides an insulating operating rod for a non-load-bearing connection clamp for ground potential operation, which includes a rod body, a retaining ring, an insulating sleeve, a booster handle, a connecting sleeve, a sleeve pin and a plug-in shaft head; the rod body is a hollow strip The retaining ring is a ring body; the retaining ring is sleeved and fixed on the outer wall of the lower end of the rod body; the insulating sleeve is a hollow cylindrical part; the insulating sleeve is connected to the lower part of the rod body; The rod body part; the force handle crosses the rod body and is fixed on the rod body, and is located at the upper end of the insulating sleeve; the plug shaft head is fixedly installed on the connecting sleeve through the sleeve pin; the connecting sleeve is fixed on the upper end of the rod body. The invention has simple structure, low cost and convenient operation; the invention can conveniently and quickly install or disassemble the non-load-bearing connection clamp for ground potential operation without power failure, saves time and effort, has high work efficiency and can effectively avoid Unnecessary losses caused by power outages to the economy and society.

Description

Insulated operating lever for non-load-bearing splicing clamp for ground potential operation

technical field

The invention relates to a matching installation device for a connection clamp for power taking in an overhead power distribution line, in particular to an insulating operating rod used for live installation and removal of a non-load-bearing connection clamp for ground potential operations.

Background technique

The non-load-bearing connection clamp for ground potential operation is a live lapping device for overhead distribution line branches, knife switches, switches and other drainage lines. At present, the non-load-bearing splicing clamps such as parallel trench clamps, amp clamps, C-type clamps, and insulation piercing clamps commonly used on distribution lines did not consider the needs of live work when they were developed. Both require power outage construction, and the frequent power outage construction of distribution lines cannot meet the user's increasingly high requirements for power quality and power supply reliability, and bring unnecessary losses to economic and social development. If the above-mentioned clamps need to be operated with ground potential insulating operating rods, it is necessary to temporarily develop targeted special tools, and these temporarily developed special tools have limitations, long working hours, and difficult operations, so they are difficult to be popularized. At present, with the improvement of insulation protection technology, the direct operation method of insulating bucket arm truck and insulating gloves is used to carry out related operations, but this operation method has relatively high requirements for the working environment such as roads and ground, such as places that cannot be reached by insulating bucket arm vehicles. In other places, the construction cannot be completed in this way.

Contents of the invention

The purpose of the present invention is to overcome the disadvantages of the prior art and provide an insulating operating lever with simple structure, low cost, convenient use, and live operation for non-load-bearing connection clamps working at ground potential.

The technical solution of the present invention is: the insulating operating rod of the non-load-bearing connection clamp for ground potential operation of the present invention, its structural characteristics are: including a rod body, a retaining ring, an insulating sleeve, an afterburner handle, a connecting sleeve, a socket pin and a plug shaft head;

The above-mentioned rod body is a hollow elongated cylindrical part; the retaining ring is a circular ring body; the retaining ring is sleeved and fixedly installed on the outer wall of the lower end of the rod body; the insulating sleeve is a hollow cylindrical part; the insulating sleeve is sleeved on the lower part of the rod body; The booster handle is a slender round rod body; the booster handle crosses the rod body and is fixed on the rod body, and is located on the insulating sleeve and is located at the upper end of the insulating sleeve; the connecting sleeve includes an integrally connected lower sleeve body and an upper sleeve body; The lower sleeve body of the connecting sleeve is a hollow cylinder whose inner diameter is compatible with the outer diameter of the rod body; the upper sleeve body of the connecting sleeve is a hollow cylinder whose outer diameter is smaller than the outer diameter of the rod body; There are two left and right through holes symmetrically used as installation connection holes; the connecting sleeve is socketed by its lower sleeve and fixed on the upper end of the rod body; the socket pin is a round rod-shaped piece; the plug-in shaft head is a round rod-shaped piece ; The lower end of the plug-in shaft head is provided with a left-right through installation hole; the plug-in shaft head is fixedly installed on the upper sleeve body of the connecting sleeve through the socket pin.

A further solution is: the above-mentioned rod body and retaining ring are made of insulating glass fiber reinforced plastics; the insulating sleeve is made of rubber; the materials of the force handle, connecting sleeve, socket pin and plug-in shaft head are all carbon steel.

The invention has positive effects: (1) The insulating operating rod of the ground potential working non-load bearing extension clamp of the invention has simple structure, low cost and convenient operation. (2) The insulating operating rod of the non-load-bearing connection clamp for ground potential operation of the present invention can be conveniently and quickly installed or disassembled by the construction personnel on the ground potential of the pole without power failure. , save time and effort, high work efficiency, and can effectively avoid unnecessary economic and social losses caused by power outage construction.

Description of drawings

Fig. 1 is the schematic diagram of the three-dimensional structure of the ground potential operation non-load-bearing connection clamp applied in the present invention;

Fig. 2 is a schematic diagram of the three-dimensional structure of the main body of the wire clip in Fig. 1;

Fig. 3 is a schematic diagram of the three-dimensional structure of the bus bar pressing plate in Fig. 1;

Fig. 4 is a structural representation of the present invention;

Fig. 5 is the flow chart of the construction method of using the present invention to install the ground potential work non-load-bearing connection clamp;

Fig. 6 is a flow chart of the construction method of dismantling the non-load-bearing splicing clamp for ground potential work according to the present invention.

The reference signs in the above-mentioned accompanying drawings are as follows:

Clamp main body 1, drainage wire installation part 11, drainage wire pressure plate connection part 12, bolt hole 12-1, middle connection part 13, square notch 13-1, bus bar clamping part 14, main body arc part 14-1, outer The arc-shaped part 14-2 is connected to the lug plate 15, connected to the through hole 15-1,

Drain line pressure plate 2, arc-shaped protrusion 21,

Bolt connection assembly 3, bolt 31, spring washer 32, nut 33,

Busbar fastener 4, fastening body part 41, positioning baffle plate 42, transmission connecting plate 43, bolt hole 43-1,

Drive screw 5, base 51, mounting sleeve hole 51-1, through groove 51-2, threaded drive column 52,

guide bush 6,

slip sleeve 7,

Shaft pin 8,

Insulated operating rod 9, rod body 91, back-up ring 92, insulating sleeve 93, afterburner handle 94, connecting sleeve 95, sleeve pin 96, plug-in shaft 97.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

(Example 1)

The insulating operating rod of the ground potential work non-load-bearing connection clamp of this embodiment is used for the installation and construction of the ground potential work non-force-bearing connection clamp matched with it.

As shown in Figures 1 to 3, the non-load-bearing connection clamp for ground potential operation is mainly composed of clamp main body 1, drain line pressure plate 2, bolt connection assembly 3, busbar fastener 4, driving screw 5, guide sleeve 6, and sliding sleeve 7 And axle pin 8 forms.

As shown in Fig. 2, the clamp main body 1 is an integral part made of aluminum alloy. The clamp main body 1 is integrally composed of a drain wire mounting part 11 , a drain wire pressing plate connecting part 12 , an intermediate connecting part 13 , a bus bar clamping part 14 and a connecting ear plate 15 .

The drain wire installation part 11 is an arc-shaped plate body protruding downward. The drain line clamping plate connecting portion 12 is a rectangular plate body part arranged horizontally, and the draining wire clamping plate connecting portion 12 is provided with 2 circular through-holes penetrating up and down, as bolt holes 12-1 for installation. The middle connecting portion 13 is a vertically arranged rectangular board member, and a hollow square notch 13 - 1 is provided in the middle of the middle connecting portion 13 . The bus bar clamping portion 14 is composed of a main body arc portion 14-1 and an outward arc portion 14-2 integrally connected. The main body arc part 14-1 of the busbar clamping part 14 is an arc-shaped plate body protruding upward; 14-1 is integrally connected in streamline form by its left lower end and the right upper end of the outstretched arc portion 14-2. The connecting ear plate 15 is a square plate body part, and a circular through hole 15-1 is provided in the middle of the connecting ear plate 15 to pass through from top to bottom.

The drain wire mounting part 11 of the wire clip main body 1 is integrally connected with the lower right end of the drain wire pressing plate connecting part 12 by its upper left end; the upper right end of the drain wire mounting part 11 is integrally connected with the lower end of the middle connecting part 13; The upper end is integrally connected with the lower right end of the bus bar clamping portion 14 and the left end of the connecting ear plate 15 . In this way, an integrated cable clip main body 1 is formed.

Still see Fig. 1, the drainage wire pressing plate 2 is a square plate body part made of aluminum alloy as a whole; an arc-shaped protrusion 21 is arranged on the right side of the drainage line pressing plate 2, and the radius of the arc-shaped protrusion 21 is the same as that of the line. The radius of the arc of the drain wire installation portion 11 of the clip body 1 is adapted. There are two mounting bolt holes on the drain wire pressing plate 2, which correspond to the two bolt holes 12-1 on the drain wire pressing plate connecting portion 12 of the clamp main body 1, and are used for installation and cooperation.

The bolt connection assembly 3 consists of bolts 31 , spring washers 32 and nuts 33 . Two sets of bolts 31 , spring washers 32 and nuts 33 are respectively provided.

As shown in Fig. 3, the bus bar fastener 4 is an integral part made of aluminum alloy. The bus bar fastener 4 is integrally composed of a fastening body part 41 , a positioning baffle plate 42 and a transmission connecting plate 43 . The overall shape of the fastening main body 41 is a rectangular parallelepiped facing forward and backward, and a downwardly recessed arc-shaped notch is provided at its upper end. The overall shape of the positioning baffle plate 42 is a left-right rectangular plate body; the left-right length of the positioning baffle plate 42 is greater than the left-right width of the fastening main body portion 41; Up and down height; the upper end of the positioning baffle 42 is provided with a downwardly recessed arc-shaped notch, which is located on the same level as the lower end of the arc-shaped notch fastening the main body 41 . Two positioning baffles 42 are provided with the same structure, and the two positioning baffles 42 are respectively arranged at the front and rear ends of the fastening main body 41 and integrally connected with the fastening main body 41 . The transmission connecting plate 43 is a square plate body; the front and rear length of the transmission connecting plate 43 is smaller than the front and rear length of the fastening main body 41 . The transmission connecting plate 43 is integrally connected with the middle part of the right end surface of the fastening main body part 41 by its left end surface. In the middle of the transmission connecting plate 43 is provided a bolt hole 43 - 1 penetrating from top to bottom.

Still referring to Fig. 1, the driving screw rod 5 is an integral piece made of steel. The driving screw 5 is integrally composed of a base 51 and a threaded driving column 52 . The base 51 is disposed below the driving screw 5 . The base 51 is a hollow cylinder as a whole, and the middle and lower part of the wall of the base 51 is provided with a left-right symmetrical hollow mounting socket hole 51-1; the lower end of the base 51 is provided with a socket connecting hole 51-1 through slot 51-2. The threaded driving column 52 is arranged above the base 51 and integrally connected with the base 51 , and the screw driving column 52 is provided with a left-hand thread. The central axis of the threaded driving post 52 is provided with a cylindrical through hole; the upper part of the threaded driving post 52 is provided with pin holes penetrating left and right.

The guide sleeve 6 is a hollow cylinder, and the inner wall of the guide sleeve 6 is provided with internal threads. The wall body of the guide sleeve 6 is provided with two symmetrical pin holes penetrating left and right.

The sliding sleeve 7 is a hollow cylinder sliding sleeve.

The installation, connection and coordination relationship of each part of the non-load-bearing connection clamp for ground potential work is as follows:

The drain wire pressing plate 2 is bolted to the drain wire pressing plate connecting portion 12 of the wire clamp main body 1 through the bolt connection assembly 3 in such a way that its arc-shaped protruding portion 21 is facing downward to the drain wire mounting portion 11 of the wire clamp main body 1; the busbar is fastened The transmission connecting plate 43 of the piece 4 passes through the square gap 13-1 of the middle connecting portion 13 of the clamp main body 1 to the right and is threadedly connected with the threaded driving column 52 of the driving screw 5 through its bolt hole 43-1. The sliding sleeve 7 is fixedly installed on the connecting ear plate 15 through the connecting through hole 15-1 of the connecting ear plate 15 of the clamp main body 1, and is fixedly installed on the connecting ear plate 15; After the upper end is threaded, it is pin-connected with the shaft pin 8; the outer wall of the guide sleeve 6 and the inner wall of the sliding sleeve 7 can slide up and down.

See Fig. 4, the insulated operating rod 9 of the ground potential work non-load-bearing splicing clamp of the present embodiment is mainly composed of a rod body 91, a retaining ring 92, an insulating sleeve 93, an afterburner handle 94, a connecting sleeve 95, a sleeve pin 96 and The socket hub 97 forms.

The rod body 91 is made of insulating glass fiber reinforced plastic. The rod body 91 is a hollow elongated cylinder.

The retaining ring 92 is an annular member made of insulating glass fiber reinforced plastic; the retaining ring 92 is sleeved and fixedly installed on the lower outer wall of the rod body 91 . The retaining ring 92 is convenient for the insulating operation rod 9 to prevent the rod body from falling out of the hand when grasping during use.

The insulating sleeve 93 is made of rubber. The insulating sleeve 93 is a hollow cylinder; the insulating sleeve 93 is sleeved on the lower part of the rod body 91 .

The material of afterburner handle 94 is carbon steel. The afterburner handle 94 is an elongated circular rod body. The force handle 94 passes through the rod body 91 transversely and is fixed on the rod body 91 , and is located at the upper end of the insulating sleeve 93 .

The connecting sleeve 95 is made of carbon steel. Connecting sleeve 95 is integrally made up of lower sleeve body and upper sleeve body. The lower sleeve body of the connecting sleeve 95 is a hollow cylinder, and its inner diameter is compatible with the outer diameter of the rod body 91 . The upper sleeve body of the connecting sleeve 95 is a hollow cylinder, and its outer diameter is smaller than the outer diameter of the rod body 91. The upper sleeve body of the connecting sleeve 95 is symmetrically provided with 2 through holes to the left and right as the installation connecting holes. The connecting sleeve 95 is sleeved by its lower sleeve and fixed on the upper end of the rod body 91 .

The material of socket pin 96 is carbon steel. The socket pin 96 is a round bar-shaped part.

The material of the plug-in shaft head 97 is carbon steel. The plug-in shaft head 97 is a round bar-shaped piece; the lower end of the plug-in shaft head 97 is provided with a mounting hole extending left and right. The plug shaft head 97 is fixedly installed on the upper body of the connecting sleeve 95 through the socket pin 96 .

As shown in Figure 5, using the insulated operating rod 9 of the non-load-bearing connection clamp for ground potential operation of this embodiment can realize the installation of the matching non-load-bearing connection clamp for ground potential operation without power failure. The installation method mainly includes the following step:

① Check and confirm that the line to be connected has no load and no phase-to-phase short circuit and ground fault before operation;

②Electricians working on ground potential shall gradually take insulation and isolation measures from near to far for the equipment within the working range that may be short-circuited or grounded due to the swing of the drain wire;

③Installing the middle-phase drain wire: the ground potential electrician installs the drain wire into the drain wire installation part 11 of the clamp main body 1 of the non-load-bearing connection clamp; covers the drain wire pressure plate 2 and connects the components with bolts 3 Fasten to clamp the drain wire;

④Lifting the non-load-bearing splicing clamp: the ground potential electrician holds the insulating cover 93 of the insulating operating rod, and sets the two ends of the socket pin 96 of the insulating operating rod on the base 51 of the driving screw 5; The non-load-bearing splicing clamp is lifted upwards to the vicinity of the bus bar of the overhead distribution line;

⑤The non-load-bearing extension clamp is hung on the distribution line busbar: after the ground potential electrician lifts the non-load-bearing extension clip to the vicinity of the busbar through the insulating operating rod, the clamp main body 1 of the non-load-bearing extension clip moves toward the busbar After the busbar enters between the busbar clamping part 14 of the clamp main body 1 and the fastening main part 41 of the busbar fastener 4, pull the insulating operating lever downward slightly to make the busbar and the busbar clamping part of the clamp main body 1 14 contact;

⑥The non-load-bearing extension clamp is fixedly connected with the distribution line busbar: rotate the force handle 94 on the insulating operating lever, and the insulating operating lever drives the driving screw 5 of the non-bearing extending clamp to rotate accordingly. Under reverse driving, the bus bar pressing plate 4 moves upwards to clamp the bus bar, so that the non-load-bearing connection clamp is fixed and suspended on the bus bar of the power distribution line;

⑦Repeat step ③ to step ⑥ to install the drainage lines of the remaining two phases;

⑧Electricians working on ground potential shall gradually remove the insulation and isolation measures on equipment that may be short-circuited or grounded due to the swing of the drain wire from far to near;

As shown in Figure 6, using the insulating operating rod 9 of the non-load-bearing extension clamp for ground potential operation in this embodiment can realize the removal of the matching non-load-bearing extension clamp for ground potential operation without power failure. The removal method mainly includes the following step:

① Check and confirm that the line to be disassembled has no load and no phase-to-phase short circuit and ground fault before operation;

②Electricians working on ground potential shall gradually take insulation and isolation measures from near to far for equipment that may be short-circuited or grounded due to the swing of the drain wire within the working range on the pole;

③ The ground potential electrician uses an insulating assembly rod to unscrew the busbar fastener 4 of the non-load-bearing connection clamp on the live mid-phase busbar in the distribution line;

④ Lift the non-load-bearing connection clamp, and move the non-load-bearing connection clamp away from the live busbar of the distribution line;

⑤Repeat steps ③ and ④, and remove the non-load-bearing connection clamps on the remaining two phases from the live busbar of the distribution line;

⑥ The electrician working at the ground potential disassembles the drainage wire on the non-load-bearing connection clamp;

⑦Remove the insulation isolation measures on the equipment that may be short-circuited or grounded due to the swing of the drain line gradually from far to near.

In summary, the insulated operating rod of the non-load-bearing extension clamp for ground potential work in this embodiment has a simple structure, low cost, and easy operation; the construction personnel can use the ground potential work method to conveniently and quickly operate the pole without power failure The non-load-bearing connection clamp for ground potential work can be installed or disassembled in a timely manner, which saves time and effort, has high work efficiency, and can effectively avoid unnecessary economic and social losses caused by power outage construction.

The above embodiments are descriptions of specific implementations of the present invention, rather than limitations of the present invention. Those skilled in the relevant technical fields can also make various transformations and changes without departing from the spirit and scope of the present invention. Corresponding equivalent technical solutions, therefore all equivalent technical solutions should fall into the patent protection scope of the present invention.

Claims (2)

1. An insulated operating rod for non-load-bearing connection clamps for ground potential operations, characterized in that it includes a rod body (91), a retaining ring (92), an insulating sleeve (93), a booster handle (94), a connecting sleeve ( 95), socket pin (96) and plug shaft head (97); The rod body (91) is a hollow elongated cylindrical part; the retaining ring (92) is a ring body part; the retaining ring (92) is sleeved and fixedly installed on the lower end outer wall of the rod body (91); the insulating sleeve ( 93) is a hollow cylinder; the insulating sleeve (93) is sleeved on the lower part of the rod body (91); the booster handle (94) is a slender circular rod body; the booster handle (94) passes through the rod body (91) ) and is fixed on the rod body (91), and is located in the insulating sleeve and is located at the upper end of the insulating sleeve (93); the connecting sleeve (95) includes an integrally connected lower sleeve body and an upper sleeve body; the lower sleeve of the connecting sleeve (95) Body is a hollow cylinder, and its inner diameter is compatible with the outer diameter of the body of rod (91); 95) is symmetrically provided with two left and right through holes as installation connection holes on the upper sleeve body; the connection sleeve (95) is socketed and fixed on the upper end of the rod body (91) by the lower sleeve body; the socket pin (96 ) is a round rod-shaped part; the plug-in shaft head (97) is a round rod-shaped part; the lower end of the plug-in shaft head (97) is provided with a left-right through mounting hole; the plug-in shaft head (97) passes through the socket pin ( 96) fixedly installed on the upper body of the connection sleeve (95). 2. The insulated operating rod for the non-load-bearing connection clamp for ground potential work according to claim 1, characterized in that: the material of the rod body (91) and the retaining ring (92) are insulating glass fiber reinforced plastics; the insulating sleeve ( The material of 93) is rubber; The material of afterburner handle (94), connection sleeve (95), socket pin (96) and plug-in shaft head (97) is carbon steel.

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