CN214590475U

CN214590475U - Power line connection fitting capable of adapting to different temperatures

Info

Publication number: CN214590475U
Application number: CN202120079461.8U
Authority: CN
Inventors: 陈石科
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-11-02
Anticipated expiration: 2031-01-12

Abstract

The utility model relates to a cable protective equipment technical field specifically is a power line link fitting that can adapt to different temperatures. Including the cross arm, the fixed orifices has been seted up on the cross arm, the cross arm is located the fixed orifices position and installs the link through the round pin axle, the link is installed through the round pin axle in the link bottom position, link bottom position welded fastening has protector, protector includes the connecting plate of welded fastening in link bottom position, connecting plate bottom position welded fastening has the sleeve, sleeve inner chamber position is provided with the bolt, the outside cover of bolt is equipped with the spacing ring, the bolt outer wall just is located spacing ring bottom position cover and is equipped with the spring, the bolt outer wall just is located spring bottom position cover and is equipped with the closing plate, closing plate and sleeve bottom welded fastening, the bolt runs through closing plate bottom one end welded fastening and has the pull ring. Can protect the wire, the adjustment wire arc of self-adaptation hangs down, avoids receiving expend with heat and contract with cold under extreme weather, takes place to break off the damage.

Description

Power line connection fitting capable of adapting to different temperatures

Technical Field

The utility model relates to a wire protective equipment technical field specifically is a power line link fitting that can adapt to different temperatures.

Background

In China, due to large north-south span, the temperature difference changes greatly. The temperature difference is generally about 60-70 degrees outside the compartment in northern Huaihe. In the construction of power networks, the wires change due to the temperature changes. In hot summer, the outdoor temperature is generally about 50 degrees, and due to thermal expansion and elongation of the lead, the sag of the lead is reduced, the ground height of the lead is reduced, and potential safety hazards exist; the wire elongation and sag reduction easily cause the wire stranded wire to form short circuit in strong wind, thereby causing large-area power failure and bringing great loss to users and enterprises. In winter and winters, the outdoor temperature is about-20 degrees due to temperature reduction, the lead is tensioned due to cold contraction of the lead, and the mechanical strength of the lead is reduced and the lead is broken due to long-time stress, so that a line grounding fault is formed, large-area power failure is caused, and great loss is brought to users and enterprises.

When an existing power line is erected, the conductor sag is small, the application force is large, the conductor is broken, the conductor sag is large, attractiveness can be affected, meanwhile, the influence sag caused by thermal expansion is increased under the high-temperature environment, the ground clearance can be reduced, potential safety hazards are easily caused, a protection device is lacked, and the conductor can be well protected from being damaged in the severe environment.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above problem of the prior art, the utility model provides a can adapt to the power line link fitting of different temperatures, can protect the wire, the adjustment wire arc of self-adaptation hangs down, avoids receiving expend with heat and contract with cold under extreme weather, takes place to break off the damage.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a main technical scheme: the hanging ring is arranged at the position of the fixed hole, the hanging ring is arranged at the position of the bottom of the hanging ring through a pin shaft, the hanging ring is arranged at the position of the bottom of the hanging ring through the pin shaft, a protection device is fixed to the position of the bottom of the hanging ring in a welding mode, the protection device comprises a connecting plate fixed to the position of the bottom of the hanging ring in a welding mode, a sleeve is fixed to the position of the bottom of the connecting plate in a welding mode, a bolt is arranged in the position of the inner cavity of the sleeve, a limiting ring is sleeved on the outer portion of the bolt, a spring is sleeved on the outer wall of the bolt and located at the position of the bottom of the limiting ring, a sealing plate is sleeved on the outer wall of the bolt and located at the position of the bottom of the spring, the sealing plate is fixed to the bottom of the sleeve in a welding mode, and a pull ring is fixed to one end of the bottom of the sealing plate through the bolt.

Preferably, the outer diameter of the limit ring is smaller than the inner diameter of the sleeve and larger than the outer diameter of the spring, and the inner diameter of the limit ring is larger than the diameter of the bolt and smaller than the inner diameter of the spring.

Preferably, the fixing device is made of metal materials.

Preferably, the spring length is less than the sleeve length.

(III) advantageous effects

The utility model provides a can adapt to electric power line link fitting of different temperatures. The method has the following beneficial effects:

(1) the wire is when expend with heat, and the pulling force of wire to the pull ring reduces, and the spring action rises at the bolt, plays the effect of packing up to the wire, reduces the wire arc and hangs down, and when the shrinkage, the wire increases to the pulling force of pull ring, and the bolt descends, and the effect of relaxing is played to the wire to the downward compression spring, increases the wire arc and hangs down, can carry out fine protection to the wire.

(2) The equipment has simple structure, convenient material taking and lower manufacturing cost and use cost.

Drawings

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

FIG. 2 is a cross-sectional view of the protective device of the present invention;

fig. 3 is an assembly view of the protection device of the present invention.

In the figure: 1. a cross arm; 2. a fixing hole; 3. hanging a ring; 4. hanging a lug; 5. a connecting plate; 6. a sleeve; 7. a bolt; 8. a limiting ring; 9. a spring; 10. a sealing plate; 11. and (4) a pull ring.

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.

As shown in fig. 1-3, the electric power line link fitting that can adapt to different temperatures of this embodiment, including cross arm 1, fixed orifices 2 have been seted up on cross arm 1, cross arm 1 is located the fixed orifices 2 positions and installs link 3 through the round pin axle, 3 bottom positions of link install link 4 through the round pin axle, 4 bottom positions of link welded fastening have protector, protector includes welded fastening at the connecting plate 5 of 4 bottom positions of link, 5 bottom positions welded fastening of connecting plate have

sleeve

6, 6 inner chamber positions of sleeve are provided with bolt 7, the outside cover of bolt 7 is equipped with spacing ring 8, the outer wall of bolt 7 just is located 8 bottom positions of spacing ring and is equipped with spring 9, the outer wall of bolt 7 just is located the position cover of spring 9 bottom and is equipped with closing plate 10,

closing plate

10 and 6 bottom welded fastening of sleeve, bolt 7 runs through closing plate 10 bottom one end welded fastening and has pull ring 11. The wire is when expend with heat, and the wire reduces to the pulling force of split ring 11, and spring 9 acts on bolt 7 and rises, plays the effect of packing up to the wire, reduces the wire arc and hangs down, and the wire is when the shrinkage, and the wire increases to the pulling force of split ring 11, and bolt 7 descends, and spring 9 compresses down plays the effect of relaxing to the wire, increases the wire arc and hangs down, can carry out fine protection to the wire.

As a specific embodiment of the utility model, the 8 external diameters of spacing ring are less than the sleeve 6 internal diameter and are greater than the spring 9 external diameter, and 8 internal diameters of spacing ring are greater than the bolt 7 diameter and are less than the spring 9 internal diameter.

As a specific embodiment of the present invention, the fixing device is made of metal.

As a specific embodiment of the present invention, the length of the spring 9 is smaller than the length of the sleeve 6.

The working principle is as follows: the wire is when expend with heat, and the wire reduces to the pulling force of split ring 11, and spring 9 acts on bolt 7 and rises, plays the effect of packing up to the wire, reduces the wire arc and hangs down, and the wire is when the shrinkage, and the wire increases to the pulling force of split ring 11, and bolt 7 descends, and spring 9 compresses down plays the effect of relaxing to the wire, increases the wire arc and hangs down, can carry out fine protection to the wire.

Claims

1. The utility model provides a can adapt to different temperature's electric power line link fitting, includes cross arm (1), fixed orifices (2), its characterized in that have been seted up on cross arm (1): the cross arm (1) is provided with a hanging ring (3) at the position of the fixed hole (2) through a pin shaft, the bottom of the hanging ring (3) is provided with a hanging lug (4) through a pin shaft, the bottom of the hanging lug (4) is fixedly welded with a protective device, the protective device comprises a connecting plate (5) welded and fixed at the bottom of the hanging lug (4), a sleeve (6) is welded and fixed at the bottom of the connecting plate (5), a bolt (7) is arranged at the inner cavity of the sleeve (6), a limiting ring (8) is sleeved outside the bolt (7), a spring (9) is sleeved on the outer wall of the bolt (7) and positioned at the bottom of the limiting ring (8), a sealing plate (10) is sleeved on the outer wall of the bolt (7) and positioned at the bottom of the spring (9), the sealing plate (10) is fixedly welded with the bottom of the sleeve (6), and the bolt (7) penetrates through one end of the bottom of the sealing plate (10) and is fixedly welded with a pull ring (11).

2. The power line connection fitting capable of adapting to different temperatures according to claim 1, wherein: the outer diameter of the limiting ring (8) is smaller than the inner diameter of the sleeve (6) and larger than the outer diameter of the spring (9), and the inner diameter of the limiting ring (8) is larger than the diameter of the bolt (7) and smaller than the inner diameter of the spring (9).

3. The power line connection fitting capable of adapting to different temperatures according to claim 1, wherein: the protection device is made of metal materials.

4. The power line connection fitting capable of adapting to different temperatures according to claim 1, wherein: the length of the spring (9) is less than that of the sleeve (6).