CN211874067U - Cup joint formula intelligence transmission of electricity steel pipe pole - Google Patents

Abstract

The utility model discloses a cup joint formula intelligence transmission of electricity steel-pipe pole relates to transmission of electricity equipment technical field, including king rod, end flange, go up cross arm and lower cross arm, the king rod includes king rod one and king rod two, and the king rod one set connects in two tops of king rod, and end flange joint is in two bottoms of king rod, and the last cross arm is located down cross arm top and both all adopt the staple bolt structure, and the last cross arm top is located a king rod top below. The sleeved rod body connection reduces the use of flange materials, and lightens the dead weight of the rod body of the electric power tower; the flange connection is replaced by the sleeve connection, so that the installation and construction are more convenient and faster in the field installation environment; the transmission steel pipe pole cup joints the formula and connects, and upper and lower section connects safer, reliable.

Description

Cup joint formula intelligence transmission of electricity steel pipe pole

Technical Field

The utility model relates to a transmission equipment technical field especially relates to a cup joint formula intelligence transmission of electricity steel pipe pole.

Background

In the power industry, the power transmission mode of a four-column iron tower is less in urban power transmission, and various factors such as road construction, traffic passing, overall urban aesthetic planning and the like need to be considered due to the small area of a city, so that the power transmission mode generally adopts single-pole and flange connection, the occupied area is small, and the construction operation is convenient. However, the conventional flange connection tends to increase the self weight of the shaft, and has problems in several aspects:

firstly, the upper and lower sections of a tower body of a power transmission steel pipe tower are connected by flanges, and the error rate between holes can be controlled within a very small range to be correctly installed due to more bolts in field installation;

secondly, the precision requirement of flanges is very high due to the flange connection of the upper and lower sections of the pole body of the power transmission steel pipe pole tower, if the joint surface of the flanges and the flanges has a slight error, the whole base pole tower can be deflected, and the safety and the attractiveness are seriously influenced;

thirdly, in order to ensure safety during installation of the flange-connected power transmission steel pipe pole, the torque of each bolt must meet a specified standard to ensure the loads of the power tower from all aspects, thereby bringing great difficulty to installation and construction.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a cup joint formula intelligence transmission of electricity steel-pipe pole, including king post, end flange, go up cross arm and cross arm down, the king post includes king post one and king post two, and the king post one set connects in two tops of king post, and end flange joint is in two bottoms of king post, and the last cross arm is located down cross arm top and both all adopt the staple bolt structure, and the last cross arm top is located a king post top below.

The technical effects are as follows: the utility model reduces the use of flange materials and greatly reduces the dead weight of the pole body of the electric power pole tower through the connection of the muff-coupling pole bodies; the flange connection is replaced by the sleeve connection, so that the installation and construction are more convenient and faster in the field installation environment; the transmission steel pipe pole cup joints the formula and connects, and upper and lower section connects safer, reliable.

The utility model discloses the technical scheme who further injects is:

according to the previous sleeved intelligent power transmission steel pipe pole, the sizes of the hoop openings of the upper cross arm and the lower cross arm are 20-30mm, and the upper cross arm and the lower cross arm are fixed with the first main rod through hoop bolts.

The utility model provides a preceding cup joint formula intelligence transmission of electricity steel pipe pole, the cross-sectional shape of mobile jib one and mobile jib two is dodecagon or hexadecagon.

The former muff-coupling type intelligent power transmission steel pipe pole is located the internal diameter of the mobile jib one at the position of cup jointing and the external diameter of the mobile jib two and differs by 2mm and then has 2mm cup jointing allowance.

The previous sleeved intelligent power transmission steel pipe pole has the advantage that the sleeving depth of the first main pole and the second main pole is more than or equal to 1.5 times of the outer diameter of a lower pipe orifice of the first main pole.

A socket joint formula intelligence transmission of electricity steel pipe pole in the past is located that mobile jib one and mobile jib two cup joint the position and still is equipped with to cup joint and draws the ear outward.

According to the previous sleeved intelligent power transmission steel pipe pole, the main pole I and the main pole II are welded and fixed through a split submerged arc welding, and the sleeved part is 100% fully melted through.

The utility model provides a preceding cup joint formula intelligence transmission of electricity steel pipe pole, the upper portion of end flange is equipped with ground connection angle steel, and ground connection angle steel has 2 phi 17.5mm, the interval is 50mm or 60 mm's trompil, and the high distance of ground connection hole distance from end flange is less than 1.5 m.

According to the previous sleeved intelligent power transmission steel pipe pole, the aperture size of a bottom flange is increased by 10mm on the basis of foundation bolts.

The utility model provides a preceding cup joint formula intelligence transmission of electricity steel pipe pole is equipped with the cat ladder on the tower pole, if the staple bolt collision of cat ladder and last cross arm, lower cross arm, then extension cat ladder connecting piece.

The utility model has the advantages that:

(1) in the utility model, the main rods are connected in a sleeved mode, and starting from the simple degree of sleeving and the simple degree of manufacturing, the circular rods need to be processed by a special grinding tool, and the processing time is long, time and labor are wasted, so that the steel pipe rods are polygonal steel pipe rods of dodecagon or hexadecagon, and the manufacturing benefit is the highest;

(2) the utility model adopts the sleeved steel pipe poles, the total height of each steel pipe pole has a certain error, the error is caused by the sleeve joint tolerance of about plus or minus 30mm, therefore, the wire cross arm needs to be made into a hoop form so as to adjust the height of the cross arm;

(3) in the utility model, in order to make the cross arm wire hanging plate of the front and the rear steel pipe poles on a horizontal line, the opening size of the hoop cross arm needs to be designed to be about 20-30mm, so that after the actual processing, a gap is arranged between the hoop and the hoop, and the hoop bolt can be screwed to fix the hoop cross arm;

(4) in the utility model, the height of the cross arm needs to be adjusted, so that the distance of about 150mm needs to be reserved from the top of the steel pipe pole to the top of the cross arm during design, so as to conveniently adjust the reserved position of the cross arm;

(5) in the utility model, the sleeving parts of the upper section and the lower section need to reserve sleeving margins of 1mm on two sides respectively so as to facilitate the sleeving of the upper section; sleeving pull lugs are additionally arranged at the upper and lower sleeved sections so as to facilitate the parts of the upper section which are stressed when being sleeved and pulled out;

(6) the utility model discloses if the cat ladder of well steel pipe pole collides with the staple bolt of staple bolt cross arm, then need extra long cat ladder connecting piece to avoid the staple bolt can as the standard.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view taken along the direction D-D in FIG. 1;

FIG. 3 is a schematic view in the direction C-C of FIG. 1;

FIG. 4 is a schematic view of the direction B-B in FIG. 1;

FIG. 5 is a schematic view taken along the line A-A in FIG. 1;

wherein: 1. a main rod I; 2. a second main rod; 3. an upper cross arm; 4. a lower cross arm; 5. a bottom flange; 6. sleeving a pull lug; 7. a ground angle iron; 8. climbing a ladder; 9. ladder stand connecting piece.

Detailed Description

The structure of the muff-coupling intelligent power transmission steel pipe pole provided by the embodiment is shown in fig. 1-5, and comprises a tower pole, a bottom flange 5, an upper cross arm 3 and a lower cross arm 4. The tower pole comprises a main pole I1 and a main pole II 2, and the main pole I1 and the main pole II 2 are steel pipe poles with dodecagon or hexadecagon cross sections. The main rod 1 is sleeved above the main rod 2 and is welded and fixed through the split submerged arc welding, and the sleeved part is 100% fully melted through. The difference between the inner diameter of the main rod I1 and the outer diameter of the main rod II 2 at the sleeving part is 2mm, namely, the sleeving allowance is 2mm, the sleeving depth is more than or equal to 1.5 times of the outer diameter of the lower pipe opening of the main rod I1, and the sleeving part is externally provided with a sleeving pull lug 6. When the height of each section of the socket joint is selected, the total height of the primary rod I1 and the total height of the primary rod II 2 are generally selected to be equal.

The upper cross arm 3 is positioned above the lower cross arm 4, the upper cross arm and the lower cross arm both adopt hoop structures, the opening sizes of the hoops of the upper cross arm 3 and the lower cross arm 4 are 20-30mm, and the hoops are fixed with the main rod 1 through hoop bolts. The top of the upper cross arm 3 is positioned below the top of the main rod 1.

The bottom flange 5 is connected to the bottom of the second main rod 2, the upper portion of the bottom flange 5 is provided with grounding angle steel 7, the grounding angle steel 7 is provided with 2 holes with phi 17.5mm and the distance between the holes is 50mm or 60mm, and the height distance between the grounding hole and the bottom flange 5 is smaller than 1.5 m. The size of the aperture of the bottom flange 5 is increased by 10mm on the basis of the foundation bolt.

Be equipped with cat ladder 8 on the pole, if cat ladder 8 and the staple bolt collision of last cross arm 3, lower cross arm 4, then extension cat ladder connecting piece 9.

The primary lever 1 and the secondary lever 2 are sized in the following manner:

selecting a dodecagon or hexadecagon steel pipe pole, determining the number of sides, and then according to the technical conditions provided by customers: the technical parameters of the ground wire model, the safety coefficients of front and rear wires, the horizontal span, the vertical span, the representative span, the lowest air temperature, the maximum wind speed, the maximum icing thickness and the like are calculated by an NSA steel pipe rod design system through item-by-item stress analysis and calculation, the size and the thickness of an upper caliber, a lower caliber, a bottom flange 5, the specification number of foundation bolts, the width, the thickness and the length of a cross arm and whether all material materials meet stress conditions are calculated, the selected specification can be adopted after all stress condition parameter values of a client are met, and the design is further refined after main dimension specifications are selected.

At present, rural power grids in user engineering are generally transformed by steel pipe poles, the voltage level is low, and the use requirements only need to meet the customer requirements and the customer use conditions. Under the condition, the steel pipe rod in an inserting mode is innovated according to the requirement of a customer, namely the bottom flange 5 in a common steel pipe rod mode is still adopted at the bottom, but the connecting mode of a conventional middle flange is abandoned at the connecting position of the middle section and the upper section, and the steel pipe rod in the inserting mode has the advantages of small processing difficulty and material saving.

In addition to the above embodiments, the present invention may have other embodiments; all the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims (10)

1. The utility model provides a cup joint formula intelligence transmission of electricity steel pipe pole, includes pylon, end flange (5), goes up cross arm (3) and cross arm (4) down, its characterized in that: the tower pole includes mobile jib one (1) and mobile jib two (2), mobile jib one (1) cup joint in mobile jib two (2) tops, end flange (5) connect in mobile jib two (2) bottoms, it is located to go up cross arm (3) cross arm (4) top and both all adopt the staple bolt structure down, it is located to go up cross arm (3) top mobile jib one (1) top below.

2. The socketed intelligent power transmission steel pipe pole according to claim 1, characterized in that: the size of an opening of the hoop of the upper cross arm (3) and the lower cross arm (4) is 20-30mm, and the upper cross arm (3) and the lower cross arm (4) are fixed with the main rod I (1) through hoop bolts.

3. The socketed intelligent power transmission steel pipe pole according to claim 1, characterized in that: the cross sections of the primary rod I (1) and the primary rod II (2) are dodecagon or hexadecagon.

4. The socketed intelligent power transmission steel pipe pole according to claim 1, characterized in that: the difference between the inner diameter of the first main rod (1) and the outer diameter of the second main rod (2) at the sleeving part is 2mm, namely, the sleeving allowance of 2mm is provided.

5. The socketed intelligent power transmission steel pipe pole according to claim 1, characterized in that: the sleeving depth of the first main rod (1) and the second main rod (2) is more than or equal to 1.5 times of the outer diameter of the pipe orifice in the first main rod (1).

6. The socketed intelligent power transmission steel pipe pole according to claim 1, characterized in that: a sleeve joint pull lug (6) is arranged outside the sleeve joint part of the main rod I (1) and the main rod II (2).

7. The socketed intelligent power transmission steel pipe pole according to claim 1, characterized in that: the main rod I (1) and the main rod II (2) are welded and fixed through the split submerged arc welding, and the sleeved part is fully melted through by 100%.

8. The socketed intelligent power transmission steel pipe pole according to claim 1, characterized in that: the upper portion of bottom flange (5) is equipped with ground angle steel (7), ground angle steel (7) have 2 phi 17.5mm, the interval is 50mm or 60 mm's trompil, the high distance of ground hole apart from bottom flange (5) is less than 1.5 m.

9. The socketed intelligent power transmission steel pipe pole according to claim 8, characterized in that: the aperture size of the bottom flange (5) is increased by 10mm on the basis of foundation bolts.

10. The socketed intelligent power transmission steel pipe pole according to claim 1, characterized in that: be equipped with cat ladder (8) on the pole of the tower, if cat ladder (8) with go up cross arm (3), the staple bolt collision of cross arm (4) down, then lengthened cat ladder connecting piece (9).

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