CN211700617U

CN211700617U - Parallel groove clamp

Info

Publication number: CN211700617U
Application number: CN202020538309.7U
Authority: CN
Inventors: 缪磊; 尤文婷
Original assignee: Jiangsu Sumac Power Technology Co ltd
Current assignee: Jiangsu Sumac Power Technology Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-10-16
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a parallel groove clamp, which comprises a lower connecting seat, wherein the upper end of the lower connecting seat is movably connected with an upper connecting seat, the lower connecting seat is internally provided with counter bores which are symmetrically arranged front and back, the upper connecting seat is internally provided with a first through hole corresponding to the counter bore, a counter bore bolt is inserted in the counter bore, the upper end of the counter bore bolt is connected with a locking nut through the first through hole by screw threads, the outer side of the upper connecting seat is movably connected with an upper clamp which is symmetrically arranged left and right, the outer side of the lower connecting seat is movably connected with a lower clamp which is symmetrically arranged left and right, the upper clamp and the lower clamp are internally provided with second through holes which are symmetrically arranged front and back, the outer sides of the left and right ends of the lower connecting seat and the upper connecting seat are fixedly connected with threaded rods which are symmetrically arranged front and back, the, the stability of the upper wire clamp and the lower wire clamp is ensured, the fixing is further carried out, and the stability is higher.

Description

Parallel groove clamp

Technical Field

The utility model belongs to the technical field of electric power science and technology equipment, concretely relates to parallel groove clamp.

Background

The parallel groove clamp is used for connecting aluminum stranded wires or steel-cored aluminum stranded wires with middle and small cross sections and steel stranded wires of overhead ground wires at positions not bearing tension, and is also used for jumper connection of non-linear towers.

Reliable power supply is an important index of power supply capacity of power supply enterprises, the reliability of aluminum stranded wires or steel stranded wire equipment is an important factor influencing the reliability of power supply, and various parallel groove clamps with huge numbers operate in urban and rural power grids, the quality of the performance of the parallel groove clamps directly influences reliable power supply, but one half of the existing parallel groove clamps are fixed in structure and cannot be suitable for aluminum stranded wires or steel stranded wires with different diameters, the distance between the aluminum stranded wires or the steel stranded wires and the aluminum stranded wires or the steel stranded wires cannot be adjusted, and the practicability is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a parallel groove clamp to solve current parallel groove clamp half structure fixed, can not be applicable to the aluminum stranded conductor or the steel strand wires of different diameters, and the distance between aluminum stranded conductor or steel strand wires and aluminum stranded conductor or steel strand wires is adjustable, the lower problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a parallel groove clamp, includes connecting seat down, lower connecting seat upper end swing joint has last connecting seat, the counter bore that symmetry set up around having seted up in the connecting seat down, upward set up the first through-hole corresponding with the counter bore in the connecting seat, it has the countersunk head bolt to peg graft in the counter bore, countersunk head bolt upper end passes first through-hole threaded connection has lock nut, go up the last fastener that connecting seat outside swing joint has bilateral symmetry to set up, lower connecting seat outside swing joint has the lower fastener that bilateral symmetry set up, the second through-hole that symmetry set up around all having seted up in going up fastener and the lower fastener, the threaded rod that symmetry set up around the equal fixedly connected with in both ends outside about lower connecting seat and the last connecting seat.

Preferably, a threaded rod is movably connected in the second through hole, the outer side of the threaded rod is in threaded connection with limiting nuts symmetrically arranged left and right, and the length of the threaded rod is greater than the lengths of the upper wire clamp and the lower wire clamp.

Preferably, an upper open slot is formed in the lower end of the upper wire clamp, compression springs distributed at equal intervals are fixedly connected to the lower end of the top of the upper open slot, and a limiting plate is fixedly connected to the lower ends of the compression springs and the other compression spring.

Preferably, the lower clamp upper end has seted up the under shed groove, the screw hole that link up mutually with the lower clamp is seted up in the lower clamp outside, screw hole female connection has positioning bolt.

Preferably, the lower connecting seat and the upper connecting seat are in the same specification, the upper wire clamp and the lower wire clamp are in the same specification, and the height and the width of the upper wire clamp are equal to those of the upper connecting seat.

Preferably, the distance between the inner side of the lower opening groove and the positioning bolt is less than half of the length of the lower opening groove.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses set up countersunk head bolt and lock nut, be convenient for according to the thickness of aluminum stranded conductor or steel strand wires, the distance between open slot and under shed groove is gone up in the adjustment, and the practicality is stronger, and ensures the fastness of connecting between lower connecting seat and last connecting seat.

(2) The utility model discloses set up the threaded rod, be convenient for adjust the distance of going up fastener and lower fastener to last connecting seat and lower connecting seat, two aluminum stranded conductor or steel strand wires that are fit for different distances are connected, and application range is more extensive, and the design of cooperation stop nut ensures the steadiness of going up fastener and lower fastener position.

(3) The utility model discloses set up compression spring and limiting plate, promoted aluminum stranded conductor or steel strand wires downwards, ensured aluminum stranded conductor or steel strand wires lower extreme and the laminating of under shed groove, under positioning bolt's effect, further fixed, stability is higher.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1-lower connecting seat, 2-upper connecting seat, 3-counter bore, 4-first through hole, 5-counter bore bolt, 6-locking nut, 7-upper wire clamp, 8-lower wire clamp, 9-second through hole, 10-threaded rod, 11-limit nut, 12-upper open slot, 13-compression spring, 14-limit plate, 15-lower open slot, 16-threaded hole and 17-positioning bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a parallel groove clamp, including lower connecting seat 1, connecting seat 2 is gone up to 1 upper end swing joint of lower connecting seat, the counter bore 3 that symmetry set up around having seted up in the lower connecting seat 1, upward set up in the connecting seat 2 with the corresponding first through-hole 4 of counter bore 3, it has countersunk bolt 5 to peg 3 interpolation, countersunk bolt 5 upper end passes first through-hole 4 threaded connection and has lock nut 6, go up the last fastener 7 that 2 outside swing joint of connecting seat has bilateral symmetry to set up, 1 outside swing joint of lower connecting seat has the lower fastener 8 that bilateral symmetry set up, the second through-hole 9 that symmetry set up around all having seted up in going up fastener 7 and the lower fastener 8, the threaded rod 10 that symmetry set up around the equal fixedly connected with in both ends outside about lower connecting seat 1 and last connecting seat.

In order to adjust the positions of the upper clamp 7 and the lower clamp 8 and ensure the stability of the positions of the upper clamp 7 and the lower clamp 8, in the embodiment, preferably, a threaded rod 10 is movably connected in the second through hole 9, limit nuts 11 which are symmetrically arranged at left and right are connected to the outer side of the threaded rod 10 in a threaded manner, and the length of the threaded rod 10 is greater than the lengths of the upper clamp 7 and the lower clamp 8.

In order to attach the bottom of the aluminum stranded wire or the steel stranded wire to the lower opening groove 15 and prevent the aluminum stranded wire or the steel stranded wire from generating displacement in the parallel groove clamp, in this embodiment, preferably, the lower end of the upper wire clamp 7 is provided with an upper opening groove 12, the lower end of the top of the upper opening groove 12 is fixedly connected with compression springs 13 which are distributed at equal intervals, and the lower ends of the compression springs 13 and the other compression spring 13 are fixedly connected with a limiting plate 14.

In order to strengthen the fixation of the aluminum stranded wire or the steel stranded wire and improve the stability of the aluminum stranded wire or the steel stranded wire, in this embodiment, preferably, the upper end of the lower clamp 8 is provided with a lower open slot 15, the outer side of the lower clamp 8 is provided with a threaded hole 16 communicated with the lower clamp 8, and the threaded hole 16 is internally threaded with a positioning bolt 17.

In order to ensure the normal use of the parallel groove clamp, in the present embodiment, it is preferable that the lower and

upper connector holders

1 and 2 are the same specification, the upper and

lower clamps

7 and 8 are the same specification, and the height and width of the upper clamp 7 are equal to those of the upper connector holder 2.

In order to ensure the clamping effect of the positioning bolt 17 on the aluminum stranded wire or the steel stranded wire in the lower opening groove 15, in the embodiment, it is preferable that the distance between the inner side of the lower opening groove 15 and the positioning bolt 17 is less than half of the length of the lower opening groove 15.

The utility model discloses a theory of operation and use flow: when the aluminum stranded wire or steel stranded wire connecting device is used, the locking nuts 6 on the outer sides of the upper ends of the countersunk head bolts 5 are loosened to enable the lower connecting seat 1 and the upper connecting seat 2 to be spaced, the limiting nuts 11 are rotated outwards, the distances from the upper wire clamps 7 and the lower wire clamps 8 to the upper connecting seat 2 and the lower connecting seat 1 are respectively adjusted according to the distances between the aluminum stranded wires or the steel stranded wires, the second through holes 9 in the upper wire clamps 7 and the lower wire clamps 8 slide on the outer sides of the threaded rods 10, so that the upper wire clamps 7 and the lower wire clamps 8 reach the designated positions, the upper wire clamps 7 and the lower wire clamps 8 are fixed at the current positions through the limiting nuts 11, the aluminum stranded wires or the steel stranded wires are placed in the lower opening grooves 15, the locking nuts 6 on the outer sides of the countersunk head bolts 5 are tightened, the upper connecting seat 2 moves downwards, the upper wire clamps 7 on the two ends of the upper connecting seat 2 synchronously move downwards, the positioning bolt 17 in the threaded hole 16 is then turned until the positioning bolt 17 clamps the aluminum or steel strand in the lower open channel 15.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a parallel groove clamp, includes lower connecting seat (1), its characterized in that: the upper end of the lower connecting seat (1) is movably connected with an upper connecting seat (2), counter bores (3) which are symmetrically arranged front and back are arranged in the lower connecting seat (1), a first through hole (4) corresponding to the counter bore (3) is arranged in the upper connecting seat (2), a countersunk head bolt (5) is inserted in the counter bore (3), the upper end of the countersunk head bolt (5) passes through the first through hole (4) and is connected with a locking nut (6) through threads, the outer side of the upper connecting seat (2) is movably connected with upper wire clamps (7) which are arranged symmetrically left and right, the outer side of the lower connecting seat (1) is movably connected with lower wire clamps (8) which are arranged symmetrically left and right, second through holes (9) which are symmetrically arranged in the front and the back are respectively arranged in the upper wire clamp (7) and the lower wire clamp (8), the outer sides of the left end and the right end of the lower connecting seat (1) and the upper connecting seat (2) are fixedly connected with threaded rods (10) which are symmetrically arranged front and back.

2. A parallel groove clamp according to claim 1, wherein: the wire clip is characterized in that a threaded rod (10) is movably connected into the second through hole (9), limit nuts (11) which are symmetrically arranged at the left and right sides of the threaded rod (10) are in threaded connection with the outer side of the threaded rod, and the length of the threaded rod (10) is greater than that of the upper wire clip (7) and the lower wire clip (8).

3. A parallel groove clamp according to claim 1, wherein: go up fastener (7) lower extreme and seted up upper shed (12), top lower extreme fixedly connected with equidistance compression spring (13) that distribute in upper shed (12), compression spring (13) and another compression spring (13) lower extreme fixedly connected with limiting plate (14).

4. A parallel groove clamp according to claim 1, wherein: the upper end of the lower wire clamp (8) is provided with a lower opening groove (15), the outer side of the lower wire clamp (8) is provided with a threaded hole (16) communicated with the lower wire clamp (8), and the threaded hole (16) is internally connected with a positioning bolt (17).

5. A parallel groove clamp according to claim 1, wherein: the lower connecting seat (1) and the upper connecting seat (2) are of the same specification, the upper wire clamp (7) and the lower wire clamp (8) are of the same specification, and the height and the width of the upper wire clamp (7) are equal to those of the upper connecting seat (2).

6. A parallel groove clamp according to claim 4, wherein: the distance between the inner side of the lower opening groove (15) and the positioning bolt (17) is less than half of the length of the lower opening groove (15).