CN201236516Y - Broken rod connection device for power distribution line - Google Patents

Abstract

A broken rod connection device for distribution lines, which is provided with a hoop with a length of 0.8 to 1.5. The hoop is formed by fastening two left and right pieces. The diameter is 270mm-310mm, and the diameter of the lower opening of the hoop is 290mm-320mm. A connection plate is provided at the butt joint of the left and right hoops, the connection plates are correspondingly provided with connection holes, and the corresponding connection holes are connected by bolts. An adjustment gap of 1 to 15 cm is provided between the connecting plates at the butt joints of the left and right hoops. In order to achieve quick repair under special conditions, according to the position where the broken poles often occur, specially designed and installed easy-to-use fixed-shaped product hoops, realize quick repairs on site, and quickly restore power supply. When the conditions are ripe, arrange maintenance plans. Follow up. In the handling of broken pole accidents, the emergency repair time was reduced from about 4 hours to about 1 hour for a single pole, that is, the emergency repair time was reduced by 75%.

Description

Distribution line broken rod connection device

technical field

The utility model relates to emergency repair equipment used by electric power companies in the process of distribution network operation and emergency repair, in particular to a broken rod connection device for distribution lines.

Background technique

In the process of 10kV and below distribution network operation and emergency repair, there are often accidents of broken rods caused by external forces (such as car collision rods, etc.). At night or in bad weather, it brings great inconvenience to emergency repairs and greatly increases the time for repairing power supply.

Contents of the invention

The technical problem to be solved by the utility model is to aim at the deficiencies of the prior art, and propose a broken pole connection device for power distribution lines which is easy to use and quickens the restoration of power supply.

The technical problem to be solved by the utility model is achieved through the following technical scheme, a broken rod connection device for power distribution lines, which is characterized in that: a section of 0.8-1.5 long hoop is provided, and the hoop is made of two left and right buckles The upper mouth of the hoop is small and the lower mouth is larger. The diameter of the upper mouth of the hoop is 270mm-310mm, and the diameter of the lower mouth of the hoop is 290mm-320mm.

The technical problem to be solved by the utility model can be further realized through the following technical solutions. A connecting plate is provided at the butt joint of the left and right hoops, and the connecting plates are correspondingly provided with connecting holes, and the corresponding connecting holes are connected by bolts.

The technical problem to be solved by the utility model can also be further realized through the following technical scheme, an adjustment gap of 1-15 cm is provided between the connecting plates at the butt joints of the left and right hoops.

Compared with the prior art, in order to realize quick repair under special conditions, the utility model specially designs and installs a fixed-shaped product hoop which is convenient for installation and use according to the position where broken rods often occur, so as to realize quick repair and quick recovery of power supply on the spot. When it is mature, arrange the maintenance plan and carry out follow-up processing on the poles. In the handling of broken pole accidents, the emergency repair time was reduced from about 4 hours to about 1 hour for a single pole, that is, the emergency repair time was reduced by 75%.

Description of drawings

Fig. 1 is a structural diagram of the utility model.

Fig. 2 is a cross-sectional view along line A-A of Fig. 1 .

Detailed ways

A broken rod connection device for distribution lines: a hoop 1 with a length of 0.8 to 1.5 is provided. The hoop 1 is formed by fastening two left and right pieces. The diameter of the upper opening of the hoop 1 is 270 mm to 310 mm, and the diameter of the lower opening of the hoop 1 is 290 mm to 330 mm. Due to the different positions of the broken rods and the different sizes of the broken gaps, hoops of different diameters and lengths can be designed for use. Three examples are given below, but the product of the present invention is not limited to the size in the following embodiments.

Example 1:

It can be known from the calculation of engineering mechanics that when the broken pole is the terminal pole and bears the single-phase bearing capacity, the force distance on the pole root is the largest. According to this condition, the wall thickness of the hoop designed according to this condition is 12mm, and the height is 1 The distance between the section and the upper part and the lower part is 500mm. The hoop is cast from angle steel and divided into two pieces, which are connected by bolts. A connection plate is provided at the butt joint of the left and right hoops, the connection plates are correspondingly provided with connection holes, and the corresponding connection holes are connected by bolts. An adjustment gap of 1 to 15 cm is provided between the connecting plates at the butt joints of the left and right hoops. The formula for calculating the inner diameter Φ of the upper and lower bottom surfaces of the hoop is as follows:

Upper inner diameter Φ1:

${\mathrm{<span\; class="notranslate">\; \&Phi;</span>}}_{\mathrm{<span\; class="notranslate">\; 1</span>}}<span\; class="notranslate">\; =</span>\mathrm{<span\; class="notranslate">\; 390</span>}<span\; class="notranslate">\; -</span>\frac{\mathrm{<span\; class="notranslate">\; h</span>}<span\; class="notranslate">\; +</span>\mathrm{<span\; class="notranslate">\; 500</span>}}{\mathrm{<span\; class="notranslate">\; 75</span>}}<span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 1</span>}<span\; class="notranslate">\; )</span>$

The inner diameter of the lower part Φ2:

${\mathrm{<span\; class="notranslate">\; \&Phi;</span>}}_{\mathrm{<span\; class="notranslate">\; 2</span>}}<span\; class="notranslate">\; =</span>\mathrm{<span\; class="notranslate">\; 390</span>}<span\; class="notranslate">\; -</span>\frac{\mathrm{<span\; class="notranslate">\; h</span>}<span\; class="notranslate">\; -</span>\mathrm{<span\; class="notranslate">\; 500</span>}}{\mathrm{<span\; class="notranslate">\; 75</span>}}<span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 2</span>}<span\; class="notranslate">\; )</span>$

in:

h——the distance from the section of the pole to the root of the pole, in mm.

Note: The burial depth of the 15-meter pole is 2.5 meters, assuming that the section is 1 meter above the ground, then h can be 3500mm. It can be seen from the above that the inner diameter of the upper part of the hoop is Φ ₁ =304mm, and the inner diameter of the lower part is Φ ₂ =317mm. The connecting bolts are M16 with a length of 25mm.

Example 2:

According to the calculation of engineering mechanics, it can be known from the calculation of engineering mechanics: when the broken pole is the terminal pole and bears the single-phase bearing capacity, the force distance on the pole root is the largest. According to this condition, the wall thickness of the hoop designed according to this condition is 10mm, and the height is 0.8 The distance between the section and the upper part and the lower part is 400mm. The hoop is cast from angle steel and divided into two pieces, which are connected by bolts. The formula for calculating the inner diameter Φ of the upper and lower bottom surfaces of the hoop is as follows:

Upper inner diameter Φ1:

${\mathrm{<span\; class="notranslate">\; \&Phi;</span>}}_{\mathrm{<span\; class="notranslate">\; 1</span>}}<span\; class="notranslate">\; =</span>\mathrm{<span\; class="notranslate">\; 350</span>}<span\; class="notranslate">\; -</span>\frac{\mathrm{<span\; class="notranslate">\; h</span>}<span\; class="notranslate">\; +</span>\mathrm{<span\; class="notranslate">\; 400</span>}}{\mathrm{<span\; class="notranslate">\; 75</span>}}<span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 3</span>}<span\; class="notranslate">\; )</span>$

The inner diameter of the lower part Φ2:

${\mathrm{<span\; class="notranslate">\; \&Phi;</span>}}_{\mathrm{<span\; class="notranslate">\; 2</span>}}<span\; class="notranslate">\; =</span>\mathrm{<span\; class="notranslate">\; 350</span>}<span\; class="notranslate">\; -</span>\frac{\mathrm{<span\; class="notranslate">\; h</span>}<span\; class="notranslate">\; -</span>\mathrm{<span\; class="notranslate">\; 400</span>}}{\mathrm{<span\; class="notranslate">\; 75</span>}}<span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 4</span>}<span\; class="notranslate">\; )</span>$

in:

h——the distance from the section of the pole to the root of the pole, in mm.

Note: The burial depth of the 12-meter rod is 2 meters, assuming that the section is 1 meter above the ground, then h can be 3000mm. It can be seen from the above that the inner diameter of the upper part of the hoop is Φ ₁ =304mm, and the inner diameter of the lower part is Φ ₂ =315mm. The connecting bolts are M16 with a length of 25mm.

Example 3:

10 meters electric pole:

According to the calculation of engineering mechanics, it can be seen that when the broken rod is the terminal rod and bears the single-phase bearing capacity, the force distance on the root of the rod is the largest. According to this condition, the wall thickness of the hoop designed according to this condition is 10mm, the height is 1.5 meters, and the distance between the section and the upper part is 1.5 meters. The distance of the lower part is 750mm, and the hoop is cast from angle steel, which is divided into two pieces and connected by bolts. The formula for calculating the inner diameter Φ of the upper and lower bottom surfaces of the hoop is as follows:

Upper inner diameter Φ1:

${\mathrm{<span\; class="notranslate">\; \&Phi;</span>}}_{\mathrm{<span\; class="notranslate">\; 1</span>}}<span\; class="notranslate">\; =</span>\mathrm{<span\; class="notranslate">\; 323</span>}<span\; class="notranslate">\; -</span>\frac{\mathrm{<span\; class="notranslate">\; h</span>}<span\; class="notranslate">\; +</span>\mathrm{<span\; class="notranslate">\; 750</span>}}{\mathrm{<span\; class="notranslate">\; 75</span>}}<span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 5</span>}<span\; class="notranslate">\; )</span>$

The inner diameter of the lower part Φ2:

${\mathrm{<span\; class="notranslate">\; \&Phi;</span>}}_{\mathrm{<span\; class="notranslate">\; 2</span>}}<span\; class="notranslate">\; =</span>\mathrm{<span\; class="notranslate">\; 323</span>}<span\; class="notranslate">\; -</span>\frac{\mathrm{<span\; class="notranslate">\; h</span>}<span\; class="notranslate">\; -</span>\mathrm{<span\; class="notranslate">\; 750</span>}}{\mathrm{<span\; class="notranslate">\; 75</span>}}<span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 6</span>}<span\; class="notranslate">\; )</span>$

in:

h——the distance from the section of the pole to the root of the pole, in mm.

Note: The burial depth of a 10-meter pole is 1.6 meters, assuming that the section is 1 meter above the ground, then h can be 2600mm. It can be seen from the above that the inner diameter of the upper part of the hoop is Φ ₁ =278mm, and the inner diameter of the lower part is Φ ₂ =298mm.

The connecting bolts are M16 with a length of 25mm.

Claims (3)

1. A broken rod connection device for distribution lines, characterized in that: there is a hoop (1) with a length of 0.8 to 1.5. The upper opening is small and the lower opening is large, the diameter of the upper opening of the hoop (1) is 270mm-310mm, and the diameter of the lower opening of the hoop (1) is 290mm-320mm. 2. The broken rod connection device for distribution lines according to claim 1, characterized in that: a connection plate (3) is provided at the butt joint of the left and right hoops, and the connection plate (3) is correspondingly provided with a connection hole (2 ), the corresponding connecting holes (2) are connected by bolts. 3. The broken rod connection device for distribution lines according to claim 2, characterized in that: there is an adjustment gap of 1-15 cm between the connecting plates (3) at the butt joints of the left and right hoops.

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