Method for calculating size of erection ring of conical electric pole

Abstract

The invention discloses a method for calculating the size of a conical electric pole erecting ring, belongs to electric power facilities, and particularly relates to a method for calculating the total length, the size and the mass of the conical electric pole erecting ring. According to the calculation method, the number of the erection rings is calculated according to the specification of the designed conical electric pole, the perimeter of each erection ring is calculated, and therefore the size and the mass of the erection rings are calculated, the size and the mass of the erection rings can be accurately calculated, the stability and the bearing capacity of the electric pole are ensured, and the working efficiency of the electric pole is improved. The method is crucial to design, manufacturing, construction, maintenance and environmental impact assessment of the electric pole.

Description

Technical Field

[0001] The invention belongs to electric power facilities, in particular to a method for calculating the total length, volume and mass of an electric pole erection circle. Background Art

[0002] The pole stand ring is a ring-shaped component in the pole steel skeleton, which is used to support and fix the steel bars and maintain the geometric shape and structural stability of the steel skeleton. When the steel skeleton is formed by roll welding, a stand ring should be set at each end. The main function of the stand ring is to fix and support the pole steel skeleton, ensure that the distance between the steel bars remains unchanged, and prevent the steel bars from bending inward. The stand ring is connected to the main reinforcement by electric welding to keep its position fixed. The production and installation of the stand ring is one of the key steps in the pole processing process. They are placed between the tip and root ends of the steel skeleton to maintain the shape and stability of the steel skeleton.

[0003] The design and manufacture of the erection rings are crucial to ensure the overall structure and load-bearing capacity of the pole. They help improve the quality and reliability of the pole. During the design of the pole erection ring, the size calculation involves multiple factors, and it is necessary to comprehensively consider the pole's diameter, material, use environment, and load.

[0004] The pole erection ring affects the mechanical strength and stability of the pole. Therefore, in the production process of the pole, accurate measurement of the erection ring size, that is, calculation of its total length, volume and mass, can control the production process and ensure that the pole erection ring is used in accordance with the specifications and meets the standards, thereby ensuring the quality of the pole and the quality of the power project.

[0005] For equal-diameter poles, the calculation of the erection ring size is relatively simple. However, for conical poles, the calculation method of the erection ring size for equal-diameter poles has a certain error, which cannot meet the requirements of accurately controlling the production process, ensuring the quality of the poles, and achieving the purpose of improving product qualification rate and production efficiency. Summary of the invention

[0006] The invention provides a method for calculating the size of a cone pole stand circle, which solves the problem of accurately calculating the size of the cone pole stand circle, thereby achieving the purpose of controlling the production process and ensuring product quality.

[0007] A method for calculating the size of a cone pole erection ring, characterized in that the method comprises the following steps:

[0008] Step 1: According to the tapered pole design plan, obtain the outer diameter d of the pole tip 杆 , rod length l1, protective layer thickness t1, stand ring material diameter d 立 , the mass of each meter of the erection ring is m1, the spacing between the erection rings is s1, and the diameter of the prestressed tendons is d 预 , tapered pole taper z;

[0009] Step 2: Calculate the number of erection circles e based on the data obtained in step 1. The calculation method is as follows:

[0010]

[0011] When the calculated value of the number of erection circles e is a decimal, it is rounded up to a positive integer;

[0012] Step 3: Calculate the outer diameter d from the top erection circle to the root erection circle according to the number of erection circles e and the taper of the tapered pole z. n , where n is the number of erection circles calculated in step 2. The specific calculation method is as follows:

[0013] d1=d 杆 -2×t1-2×d 预 ;

[0014]

[0015] Among them, n is a positive integer from 2 to e, and they are arranged in order from the tip of the conical pole to the root. The outer diameter of the first erection circle is d1, and the last erection circle is the eth one, and its diameter is d e , the corresponding z is the taper value of the conical pole;

[0016] Step 4: Calculate the circumference c of each rack circle based on the outer diameters of all rack circles from the tip to the root calculated in step 3. n , and the sum of the circumferences of all erection circles, that is, the total circumference C, is calculated as follows:

[0017] c n =π×(d n -d 立 );

[0018]

[0019] Based on the total circumference C calculated in step 4 and the material density of the erection ring, the volume and mass of the erection ring can be calculated.

[0020] The calculation method of the present invention can calculate the volume and mass of the erection ring more accurately. Accurately calculating the mass and volume of the erection ring of the electric pole is crucial to ensuring the stability and load-bearing capacity of the electric pole, and is crucial to the design, manufacture, construction, maintenance and environmental impact assessment of the electric pole. It helps to ensure that the electric pole can withstand the expected loads and environmental impacts, ensures the use of the right amount of material to avoid waste, and ensures the strength and durability of the electric pole. During the construction process, if the mass and volume of the erection ring are known, the construction process can be planned more effectively, reducing on-site adjustments and errors. It helps to design electric poles that can withstand severe weather and long-term loads. At the same time, accurately calculating the mass and volume of the erection ring is the key to meeting regulatory requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the conical pole structure.

[0022] Figure 2 This is a schematic diagram of the erection ring structure.

[0023] Figure 3 Schematic diagram of the steel cage structure. DETAILED DESCRIPTION

[0024] Embodiment 1: A method for calculating the size of a cone pole stand ring, the method comprising the following steps:

[0025] Step 1: The taper of the conical pole designed according to national standards is 1:75, so the value of z is 75; the outer diameter of the pole tip d 杆 is 190mm, the pole length l1 is 12000mm, the protective layer thickness t1 is 17mm, the erection circle spacing s1 is 1000mm; the prestressed steel bar diameter d used in the pole steel cage 预 6mm; the diameter of the selected stand ring material d 立 The thickness of the frame ring is 6mm and the mass of each meter is 0.22212Kg / m.

[0026] Step 2: Calculate the number of erection circles e based on the data obtained in step 1. The calculation method is as follows:

[0027]

[0028] Step 3: Calculate the outer diameter d from the top erection circle to the root erection circle according to the number of erection circles e and the taper of the tapered pole z. n , where n is the number of erection circles e calculated in step 2, and the specific calculation method is as follows;

[0029] d1 = drod-2 × t1-2 × dpre = 190-2 × 17-2 × 6 = 144 (mm);

[0030]

[0031] By analogy, we can calculate d4 to d 13 The values ​​are as follows:

[0032] d4=184(mm);

[0033] d5=(197.3333333mm);

[0034] d6=210.6666667(mm);

[0035] d7=224(mm);

[0036] d8 = 237.3333333 (mm);

[0037] d9=250.6666667 (mm);

[0038] d 10 =264(mm);

[0039] d 11 =277.3333333(mm);

[0040] d 12 =290.6666667 (mm);

[0041] d 13 =304(mm).

[0042] Step 4: Calculate the circumference c of each frame circle based on the outer diameter from the tip frame circle to the root frame circle calculated in step 3. n , and the sum of the circumferences of all erection circles, that is, the total circumference C, is calculated as follows:

[0043] c1=π×(d1-d3)=3.14×(144-6)=433.5397862(mm);

[0044] c2=π×(d2-d3)=3.14×(157.3333333-6)=475.4276882(mm);

[0045] By analogy, c1 to c 13 The values ​​are as follows:

[0046] c3=517.3155903(mm);

[0047] c4=559.2034923(mm);

[0048] c5=601.0913944(mm);

[0049] c6=642.9792964(mm);

[0050] c7=684.8671985(mm);

[0051] c8=726.7551005(mm);

[0052] c9=768.6430026(mm);

[0053] c 10 =810.5309046(mm);

[0054] c 11 =852.4188067(mm);

[0055] c 12 =894.3067087 (mm);

[0056] c 13 =936.1946108(mm);

[0057]

[0058] Step 5, based on the total circumference C calculated in step 4 and the mass m1 of the erection circle per meter of 0.22212 kg / m, the volume V and mass M of the erection circle can be calculated as follows:

[0059]

[0060] M=m1×C=0.22212×8.9032735≈1.9776 (Kg).

Claims

1. A method for calculating the size of a cone pole erection ring, characterized in that The method comprises the following steps: Step 1: According to the tapered pole design plan, obtain the outer diameter d of the pole tip 杆 , rod length l1, protective layer thickness t1, stand ring material diameter d 立 , the mass of each meter of the erection ring is m1, the spacing between the erection rings is s1, and the diameter of the prestressed tendons is d 预 , tapered pole taper z; Step 2: Calculate the number of erection circles e based on the data obtained in step 1. The calculation method is as follows: When the calculated value of the number of erection circles e is a decimal, it is rounded up to a positive integer; Step 3: Calculate the outer diameter d from the top erection circle to the root erection circle according to the number of erection circles e and the taper of the tapered pole z. n , where n is the number of erection circles calculated in step 2. The specific calculation method is as follows: d1=d 杆 -2×t1-2×d 预 ; Among them, n is a positive integer from 2 to e, and they are arranged in order from the tip of the conical pole to the root. The outer diameter of the first erection circle is d1, and the last erection circle is the eth one, and its diameter is d e , the corresponding z is the taper value of the conical pole; Step 4: Calculate the circumference c of each rack circle based on the outer diameters of all rack circles from the tip to the root calculated in step 3. n , and the sum of the circumferences of all erection circles, that is, the total circumference C, is calculated as follows: c n =π×(d n -d 立 ); 2. A method for calculating the size of a cone pole stand ring according to claim 1, characterized in that Based on the total circumference C calculated in step 4 and the material density of the erection ring, calculate the volume and mass of the erection ring.

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