CN217872097U - Semi-composite insulation cross arm power transmission tower with horizontally arranged leads - Google Patents
Semi-composite insulation cross arm power transmission tower with horizontally arranged leads Download PDFInfo
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- CN217872097U CN217872097U CN202122336516.1U CN202122336516U CN217872097U CN 217872097 U CN217872097 U CN 217872097U CN 202122336516 U CN202122336516 U CN 202122336516U CN 217872097 U CN217872097 U CN 217872097U
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Abstract
The utility model relates to an iron tower technical field is a wire horizontal arrangement semi-compound insulation cross arm power transmission tower, and it includes iron tower, ground wire cross arm, first insulator string and second insulator string, and iron tower upper end left side and right side fixed mounting respectively have the ground wire cross arm, and the iron tower left side and the right side that correspond ground wire cross arm below position are fixed mounting respectively has the wire cross arm. The utility model has the advantages of reasonable and compact structure, convenient to use, it can reduce the iron tower height through installing three wire cross arm on the same horizontal plane of iron tower, through setting up the wire cross arm into the length of the reducible wire cross arm of half steel construction cross arm section and half compound insulation cross arm section, shortens the length of insulator chain, reduces the wire potential safety hazard of discharging to cross arm and iron tower on the basis of the quantity reduce cost that reduces compound insulating material, has safety, laborsaving, simple and convenient and efficient characteristics.
Description
Technical Field
The utility model relates to an iron tower technical field is a wire horizontal arrangement semi-compound insulation cross arm power transmission tower.
Background
A part of engineering iron towers adopt composite insulating cross arms, and the composite insulating cross arms have the advantages that the wires can be prevented from discharging to the cross arms and the iron towers, the length of the cross arms and the length of an insulator string are shortened, but three-phase wires are arranged in a shape like a Chinese character 'tu', the height of the tower is increased due to the requirement on the vertical distance between the wires on the upper layer and the lower layer, and the price of a composite insulating material is higher, so that the overall construction cost of the engineering is higher.
Disclosure of Invention
The utility model provides a wire horizontal arrangement semi-compound insulation cross arm power transmission tower has overcome above-mentioned prior art not enough, and it can effectively solve the higher and whole cost on the high side problem of engineering of the current iron tower height that adopts compound insulation cross arm.
The technical scheme of the utility model is realized through following measure: the utility model provides a wire horizontal arrangement semi-compound insulation cross arm power transmission tower, which comprises an iron tower, the ground wire cross arm, the wire cross arm, first insulator string and second insulator string, iron tower upper end left side and right side fixed mounting have the ground wire cross arm respectively, the iron tower left side and the right side that correspond ground wire cross arm below position are fixed mounting respectively has the wire cross arm, every wire cross arm all includes steel construction cross arm section and compound insulation cross arm section, steel construction cross arm section inner is in the same place with iron tower fixed mounting, steel construction cross arm section outer end and compound insulation cross arm section inner fixed mounting are in the same place, the equal fixed mounting in every compound insulation cross arm section outer end has first insulator string, fixed mounting has the second insulator string that sets up with first insulator string interval on one of them wire cross arm.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the second insulator string is V-shaped, the first end of the upper side of the second insulator string is fixedly installed together with the composite insulating cross arm section, and the second end of the upper side of the second insulator string is fixedly installed together with the middle part of the side face of the iron tower at the corresponding position.
The composite insulation cross arm section comprises a front insulation tube, a rear insulation tube, a front flange plate, a rear flange plate, a front insulation rod and a rear insulation rod, wherein the inner end of the front insulation tube is fixedly installed with the outer end of the lower part of the front side of a steel structure cross arm section, the inner end of the rear insulation tube is fixedly installed with the outer end of the lower part of the rear side of the steel structure cross arm section, the outer end of the front insulation tube and the outer end of the rear insulation tube are fixedly installed together through a through nail, the front flange plate is integrally formed on the outer rear side of the front insulation tube, the rear flange plate is fixedly installed on the front side of the rear insulation tube corresponding to the position of the front flange plate, the front flange plate and the rear flange plate are fixedly installed together through bolts, the upper side of the outer end of the front insulation tube is fixedly installed with the outer end of the front insulation rod, the inner end of the front insulation rod is fixedly installed with the upper part of the outer end of the front side of the steel structure cross arm section, the upper part of the rear insulation tube is fixedly installed with the outer end of the rear insulation rod, and the rear insulation rod is fixedly installed with the upper part of the steel structure cross arm section.
The front side insulating tube, the rear side insulating tube, the front side flange plate and the rear side flange plate are made of FRP round tube materials, and silicone rubber umbrella covers are injected on the surfaces of the FRP round tube materials.
The aforesaid still includes the middle part insulator spindle, and the equal fixed mounting of front side insulator spindle upside and the rear side insulator spindle upside that corresponds the first end position of second insulator chain has the middle part insulator spindle, and the inner all corresponds position fixed mounting with steel construction cross arm section outer end upper portion in the middle part insulator spindle together.
The utility model has the advantages of reasonable and compact structure, convenient to use, it can reduce the iron tower height through installing three wire cross arm on the same horizontal plane of iron tower, through setting up the wire cross arm into the length of the reducible wire cross arm of half steel construction cross arm section and half compound insulation cross arm section, shortens the length of insulator chain, reduces the wire potential safety hazard of discharging to cross arm and iron tower on the basis of the quantity reduce cost that reduces compound insulating material, has safety, laborsaving, simple and convenient and efficient characteristics.
Drawings
Fig. 1 is a schematic front view of the preferred embodiment of the present invention.
Fig. 2 is an enlarged schematic top view of a portion a of fig. 1.
The codes in the figures are respectively: the ground wire cross arm comprises an iron tower 1, a ground wire cross arm 2, a first insulator string 3, a second insulator string 4, a steel structure cross arm section 5, a front side insulating tube 6, a front side flange 7, a rear side flange 8, a front side insulating rod 9, a middle insulating rod 10 and a rear side insulating tube 11.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of each component is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in the attached drawings 1 and 2, the wire horizontal arrangement semi-composite insulation cross arm power transmission tower comprises an iron tower 1, a ground wire cross arm 2, a wire cross arm, a first insulation string 3 and a second insulation string 4, wherein the left side and the right side of the upper end of the iron tower 1 are respectively and fixedly provided with the ground wire cross arm 2, the left side and the right side of the iron tower 1 corresponding to the position below the ground wire cross arm 2 are respectively and fixedly provided with the wire cross arm, each wire cross arm comprises a steel structure cross arm section 5 and a composite insulation cross arm section, the inner end of the steel structure cross arm section 5 is fixedly arranged with the iron tower 1, the outer end of the steel structure cross arm section 5 is fixedly arranged with the inner end of the composite insulation cross arm section, the outer end of each composite insulation cross arm section is fixedly provided with the first insulation string 3, and the second insulation string 4 arranged at intervals with the first insulation string 3 is fixedly arranged on one wire cross arm.
When the insulated wire is used, the length of the wire cross arm provided with the first insulating sub-strings 3 and the second insulating sub-strings 4 is larger than that of the wire cross arm provided with the first insulating sub-strings 3 only.
When using, through arranging iron tower 1 three-phase wire cross arm level, total tower height reduces to some extent, the tower weight reduces with basic engineering volume, the wire cross arm includes steel construction cross arm section 5 and compound insulation cross arm section, be equipped with insulator chain on the compound insulation cross arm section and be used for hanging establishing the three-phase wire, simultaneously insulating properties is good, reduce the potential safety hazard that the wire discharged the cause to cross arm and iron tower 1, consequently, the whole length of wire cross arm shortens, steel construction cross arm section 5 has guaranteed the intensity demand of wire cross arm, compare and all adopt compound insulation cross arm cost to reduce to some extent, and total tower height reduces and makes whole cost further reduce.
According to actual needs, the semi-composite insulation cross arm power transmission tower with the horizontally arranged leads can be further optimized or/and improved:
as shown in the accompanying drawings 1 and 2, the second insulator string 4 is in a V shape, a first end of the upper side of the second insulator string 4 is fixedly installed with the composite insulating cross arm section, and a second end of the upper side of the second insulator string 4 is fixedly installed with the middle part of the side surface of the iron tower 1 at the corresponding position.
When the composite insulator string is used, because the horizontal distance between the first insulator string 3 and the second insulator string 4 on the same wire cross arm has the minimum distance requirement, if the actual arrangement mode has a vertical distance in addition to the horizontal distance, the horizontal minimum distance is reduced, and the second insulator string 4 needs to meet the requirement on the discharge distance of the cross arm, the second insulator string 4 is properly lengthened and arranged to be V-shaped, and the included angle is generally between 85 degrees and 110 degrees, so that the two ends of the second insulator string 4 are respectively hung on the composite insulator cross arm section and the iron tower 1, and the overall length of the wire cross arm can be reduced.
When the wire hanging device is used, two second insulator strings 4 can be arranged at the same position in a front-back interval mode according to use requirements, and therefore the wire hanging firmness and safety can be improved.
As shown in fig. 1 and 2, the composite insulating cross arm section includes a front insulating tube 6, a rear insulating tube 11, a front flange 7, a rear flange 8, a front insulating rod 9 and a rear insulating rod, the inner end of the front insulating tube 6 is fixedly mounted with the outer end of the front lower portion of the steel structure cross arm section 5, the inner end of the rear insulating tube 11 is fixedly mounted with the outer end of the rear lower portion of the steel structure cross arm section 5, the outer end of the front insulating tube 6 and the outer end of the rear insulating tube 11 are fixedly mounted together by a nail, the front flange 7 is integrally formed on the outer rear side of the front insulating tube 6, the rear flange 8 is fixedly mounted on the front side of the rear insulating tube 11 corresponding to the position of the front flange 7, the front flange 7 and the rear flange 8 are fixedly mounted together by bolts, the upper side of the outer end of the front insulating tube 6 is fixedly mounted with the outer end of the front insulating rod 9, the inner end of the front insulating rod 9 is fixedly mounted with the upper portion of the front end of the cross arm section 5, the upper portion of the outer end of the rear insulating tube 11 is fixedly mounted with the outer end of the steel structure cross arm section 5, the outer end of the rear insulating tube 11 is fixedly mounted with the outer end of the steel structure cross arm section.
When the hanging device is used, if only one second insulator string 4 is hung, a cross rod is arranged between the front side insulating tube 6 and the rear side insulating tube 11, a hanging point of the second insulator string 4 is arranged on the cross rod, if two second insulator strings 4 are arranged, a hanging point is hung on the front side insulating tube 6 and the rear side insulating tube 11 respectively, and the outer ends of the second insulator strings 4 are hung on the iron tower 1 on the corresponding side face.
Through setting up a set of front side ring flange 7, rear side ring flange 8 be convenient for fix front side insulating tube 6, rear side insulating tube 11 together, it is more economical to compare current two sets of ring flanges that adopt.
As shown in the attached figures 1 and 2, the front side insulating tube 6, the rear side insulating tube 11, the front side flange 7 and the rear side flange 8 are made of FRP round tube materials, and the surface of the FRP round tube materials is injected with a silicon rubber umbrella cover. When in use, the FRP circular tube material has the advantages of light weight, hardness, insulation, high mechanical strength, corrosion resistance and the like, and the silicon rubber umbrella cover has good tracking resistance, corrosion resistance, weather resistance and heat aging resistance.
As shown in the attached figures 1 and 2, the insulation structure further comprises a middle insulation rod 10, wherein the middle insulation rod 10 is fixedly installed on the upper side of the front side insulation tube 6 and the upper side of the rear side insulation rod corresponding to the first end position of the second insulator string 4, and the inner end of the middle insulation rod 10 is fixedly installed together with the corresponding position on the upper portion of the outer end of the steel structure cross arm section 5. In use, the stability of the overall structure may be increased by such an arrangement.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (6)
1. The utility model provides a wire horizontal arrangement semi-compound insulation cross arm power transmission tower, a serial communication port comprises an iron tower, the ground wire cross arm, the wire cross arm, first insulator string and second insulator string, iron tower upper end left side and right side fixed mounting have the ground wire cross arm respectively, correspond iron tower left side and right side fixed mounting of ground wire cross arm below position and have the wire cross arm respectively, every wire cross arm all includes steel construction cross arm section and compound insulation cross arm section, steel construction cross arm section inner is in the same place with iron tower fixed mounting, steel construction cross arm section outer end and compound insulation cross arm section inner fixed mounting are in the same place, equal fixed mounting in every compound insulation cross arm section outer end has first insulator string, fixed mounting has the second insulator string that sets up with first insulator string interval on one of them wire cross arm.
2. The semi-composite cross-arm power transmission tower with the horizontally-arranged lead wires according to claim 1, wherein the second insulator string is V-shaped, a first end of the upper side of the second insulator string is fixedly arranged with the composite cross-arm section, and a second end of the upper side of the second insulator string is fixedly arranged with the middle part of the side surface of the iron tower at the corresponding position.
3. The power transmission tower according to claim 1 or 2, wherein the composite insulating cross arm section comprises a front insulating tube, a rear insulating tube, a front flange, a rear flange, a front insulating rod and a rear insulating rod, the inner end of the front insulating tube is fixedly mounted with the outer end of the front lower portion of the steel structure cross arm section, the inner end of the rear insulating tube is fixedly mounted with the outer end of the rear lower portion of the steel structure cross arm section, the outer end of the front insulating tube and the outer end of the rear insulating tube are fixedly mounted together through a through pin, the front flange is integrally formed on the outer rear side of the front insulating tube, the rear flange is fixedly mounted on the front side of the rear insulating tube corresponding to the position of the front flange, the front flange and the rear flange are fixedly mounted together through a bolt, the upper side of the outer end of the front insulating tube is fixedly mounted with the outer end of the front insulating rod, the inner end of the front insulating rod is fixedly mounted with the upper portion of the front end of the cross arm section, the upper portion of the rear insulating tube is fixedly mounted with the outer end of the steel structure cross arm section, and the inner end of the rear insulating rod is fixedly mounted with the steel structure cross arm section.
4. The semi-composite insulation cross arm power transmission tower with horizontally arranged wires according to claim 3, wherein the front side insulating tube, the rear side insulating tube, the front side flange plate and the rear side flange plate are made of FRP round tube materials, and a silicon rubber umbrella cover is injected on the surface of the FRP round tube materials.
5. The semi-composite insulation cross arm power transmission tower with the horizontally arranged wires according to claim 3, further comprising a middle insulation rod, wherein the middle insulation rod is fixedly installed on the upper side of the front side insulation tube and the upper side of the rear side insulation rod corresponding to the first end of the second insulator string, and the inner end of the middle insulation rod is fixedly installed together with the corresponding position on the upper portion of the outer end of the steel structure cross arm section.
6. The semi-composite cross arm power transmission tower with the horizontally arranged wires according to claim 4, further comprising a middle insulating rod, wherein the middle insulating rod is fixedly arranged on the upper side of the front side insulating tube and the upper side of the rear side insulating rod corresponding to the first end of the second insulator string, and the inner end of the middle insulating rod is fixedly arranged together with the corresponding position on the upper portion of the outer end of the steel structure cross arm section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122336516.1U CN217872097U (en) | 2021-09-26 | 2021-09-26 | Semi-composite insulation cross arm power transmission tower with horizontally arranged leads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122336516.1U CN217872097U (en) | 2021-09-26 | 2021-09-26 | Semi-composite insulation cross arm power transmission tower with horizontally arranged leads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217872097U true CN217872097U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122336516.1U Active CN217872097U (en) | 2021-09-26 | 2021-09-26 | Semi-composite insulation cross arm power transmission tower with horizontally arranged leads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217872097U (en) |
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2021
- 2021-09-26 CN CN202122336516.1U patent/CN217872097U/en active Active
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