CN210508622U - Power transmission iron tower - Google Patents
Power transmission iron tower Download PDFInfo
- Publication number
- CN210508622U CN210508622U CN201920267860.XU CN201920267860U CN210508622U CN 210508622 U CN210508622 U CN 210508622U CN 201920267860 U CN201920267860 U CN 201920267860U CN 210508622 U CN210508622 U CN 210508622U
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- tower
- tower body
- pylon
- load
- load distribution
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 title claims abstract description 34
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 38
- 239000012212 insulator Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims description 41
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 235000000396 iron Nutrition 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 230000008439 repair process Effects 0.000 description 13
- 230000009471 action Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to an iron tower for power transmission, the iron tower includes: the tower body, the bracing wire which is used for reinforcing the stability between the tower body and the ground; the device comprises an insulator string connected between pull wires, a pull rope connected between two tower bodies and a bidirectional force transmission and load distribution mechanism arranged inside the tower bodies; the technical problems that the connecting parts of the tower body of the existing power transmission line rush-repair tower and the insulator string, the stay wire and the stay cable are stressed intensively and stressed unreasonably are solved, the design is reasonable, the structure is simple, the stress is improved, and the tower weight is reduced; the utility model provides a pair of transmission line salvagees tower has that the commonality is strong, the range of application is wide and transportation construction convenience's advantage.
Description
The technical field is as follows:
the utility model relates to a fastener and mechanical biography power field, concretely relates to steel pylons.
Background art:
the emergency repair tower is emergency repair equipment used for temporarily erecting a line when a conventional power transmission line has a tower collapse accident. A cross arm structure is designed on a common emergency repair tower and is used for mounting a ground wire, so that the height of the emergency repair tower is high, the connection structure of the cross arm and a tower body is complex, and the specifications are multiple. Aiming at the defects, some rush-repair towers adopt composite insulating cross arms or pillar insulator strings to replace traditional steel structure cross arms. The cross arm or the pillar insulator string is an intermediate structure for connecting a lead wire, a ground wire and a tower body, transfers loads such as the dead weight of the ground wire, the wind load on the ground wire, the pull load, the dead weight of the cross arm and the like, and has large load, complex stress state and complex connection structure at the part connected with the tower body.
Stay wire, cable, insulator chain isotructure are linked to the body of the tower, and the load is big, and the atress is concentrated, requires can bear great pressure to the member of the corresponding position of body of the tower, and then has increased the specification of body of the tower member, consumes more bolts and arranges the space, has increased the weight of whole rush-repair tower. Due to the design of the standard module of the emergency repair tower, the standard sections of other non-connection support insulator strings are increased in rod piece specification, and huge waste is caused. The existing iron tower cross arm connecting structure directly meets the bearing requirement by increasing the specification of a rod piece and increasing the size and the section, and has the disadvantages of poor economical efficiency, heavy structure, material waste, single-side stress and unreasonable stress distribution.
The utility model has the following contents:
the utility model discloses an it is concentrated with post insulator cluster connection position atress to overcome current transmission line and salvagees tower body, and the unreasonable technical problem of atress provides a force transfer mechanism for improving the local stress state of iron tower member, is used in the tower body horizontal partition face of being connected with the post insulator cluster, reasonable in design, and simple structure has effectively solved this position atress and has concentrated, and the atress has been improved to the problem of unilateral atress, has reduced the tower weight. The technical problems that the stress of the connecting part of the tower body and the post insulator string of the conventional power transmission line emergency repair tower is concentrated and the stress is unreasonable are solved, and the force transmission mechanism for improving the local stress state of the iron tower rod piece is provided.
The utility model provides an iron tower for power transmission, the mechanism is as follows:
an iron tower for transmitting power, the iron tower comprising: the tower comprises a tower body, stay wires between the tower body and the ground, an insulator string which is perpendicular to the tower body and transversely connected between the stay wires between the tower body and the ground, and stay cables positioned between the top ends of the tower body; the iron tower comprises a load distributing mechanism, and the load distributing mechanism comprises a bidirectional force transferring and load distributing mechanism which is transversely arranged between the sections of the tower body.
Preferably, the bidirectional force transmission load distribution mechanism is arranged in the tower body and is fastened by bolts.
Preferably, the bidirectional force transmission and load distribution mechanism consists of one or more force transmission rods and 2 or more groups of fasteners.
Preferably, the bidirectional force-transmitting load-distributing mechanism is arranged at least 1 position or more positions on the tower body when in use.
Preferably, the dowel bar comprises a threaded rod, hollow pipes and solid rods with circular, elliptical, square, rectangular and polygonal cross sections, I-shaped steel, H-shaped steel and angle steel.
Preferably, the bidirectional force transmission and load distribution mechanism comprises fasteners, the fasteners comprise nuts, clamps and pins, each group of fasteners are distributed on two sides of the tower body to clamp the tower material, and meanwhile, the transmission of tensile force and pressure is met.
Preferably, the bidirectional force transmission and load distribution mechanism consists of a screw and at least 4 nuts, and the two nuts are a group and are respectively arranged at two ends of the screw; when the screw rod pulling force adjusting mechanism is used, a single set is used, 2 sets or a plurality of sets are used in parallel, 2 sets or 4 sets are used in series, and the screw rod pulling force is adjusted through the adjusting bolt position fixing mechanism.
Preferably, the pull wire is a steel wire with a diameter of 5 mm.
Preferably, the insulator string is a three-phase stressed insulator string.
Preferably, the inhaul cable is a steel wire with the diameter of 5 mm.
Preferably, the components of the tower body are angle steels.
Compared with the closest prior art, the utility model provides a technical scheme has following excellent effect:
the application provides a rush-repair tower, the modularization equipment, simple structure, appearance rule, commonality are strong, transportation and packaging efficiency are high, reuse moreover.
The utility model provides a force transmission mechanism for improving local stress state of iron tower member is used on the tower material that acts as go-between, insulator chain and cable and body of the tower are connected, reasonable in design, and simple structure has effectively solved the member atress at string point position and has concentrated, and the problem of unilateral atress has improved the atress, has reduced the tower weight.
Description of the drawings:
FIG. 1 is a schematic diagram of the application of a bidirectional force transfer and load distribution mechanism to a connecting part of a stay wire and a tower body on an emergency repair tower;
FIG. 2 is a schematic diagram of the application of a bidirectional force-transferring and load-distributing mechanism to the connection part of a stay cable, an insulator string and a tower body on an emergency repair tower;
FIG. 3 is an application schematic diagram of a bidirectional force transfer and load distribution mechanism on a connecting part of a ground wire frame, a cross arm and a tower body of an emergency repair tower;
FIG. 4 shows the positions of the mounting holes of the tower body standard section structure and the bidirectional force transmission and load distribution mechanism;
FIG. 5 is a schematic view of a bidirectional force-transmitting and load-dividing mechanism;
FIG. 6 shows that the bidirectional force-transferring and load-distributing mechanism is mounted on a standard section cross-bar of the emergency repair tower;
FIG. 7 is a force analysis graph under the action of unidirectional tension;
FIG. 8 is a force analysis graph under the action of unidirectional pressure;
FIG. 9 is a force analysis graph under the action of bidirectional tension;
FIG. 10 is a force analysis graph under the action of bidirectional pressure;
wherein: 1 stay wire, 2 tower bodies, 3 stay wire hanging points, 4 cross materials, 5 bolts, 6 screw rods, 7 mounting holes, 8 stay cables, 9 insulators, 10 insulator strings, 11 ground wire frames, 12 cross arms, 13 ground wire frame and main material connecting nodes, 14 cross arm and main material connecting nodes, 15 main materials and 16 diagonal materials.
The specific implementation mode is as follows:
the utility model provides an iron tower for power transmission includes: a tower body 2, a stay wire 1 for reinforcing stability between the tower body and the ground; an insulator string 10 connected between the pull wires, a pull cable 8 connected between the two tower bodies and a bidirectional force transmission and load distribution mechanism arranged inside the tower bodies; two ends of the insulator string 10 are provided with inhaul cable hanging points; the tower body is provided with an inclined material 16.
The stay wire is connected between the tower body 2 and the insulator string 10 by adopting a soft steel wire with the diameter of 5 mm, and the steel wire is wrapped by a layer of 0.5 mm rubber sleeve.
The insulator string 10 is connected between the stay wires 1 by adopting a three-phase stressed insulator string.
The inhaul cable 8 is a steel wire with the diameter of 5 mm.
The tower body 2 is made of aluminum alloy angle steel with the thickness of 3 mm.
The aluminum alloy angle steel comprises the components of Zn7.0-8.0, Mg1.2-2.0, Cu0.3-1.0, Mn0.3-0.8, Fe less than or equal to 0.6 and Si less than or equal to 0.4, and does not contain chromium and titanium.
The tower body 2, the inhaul cable 8, the stay wire 1 and the insulator string 10 are connected through a connecting ring.
The bidirectional force transmission and load distribution mechanism is embedded in the tower body 2 through a bolt 5.
As shown in figure 1, a bidirectional force transmission and load distribution mechanism is arranged on a transverse material 4 (containing another transverse material which is horizontally symmetrical) at a stay wire hanging point 3 at the connecting part of a stay wire 1 and a tower body 2.
As shown in figure 2, a bidirectional force transmission and load distribution mechanism is arranged on the transverse material 4 (containing the other transverse material which is horizontally symmetrical) at the hanging point of the connecting part of the stay cable 8 and the insulator string 10 with the tower body.
As shown in figure 3, the main material 15 and the cross material at the connecting node 13 of the ground wire frame and the main material, the main material 15 and the cross material 4 at the connecting node 14 of the cross arm 12 and the main material contain the other cross material which is horizontally symmetrical, and a bidirectional force transmission and load distribution mechanism is installed.
(2) A bidirectional force-transferring load-dividing mechanism is shown in figure 4 and is arranged on an installation hole 7 of a transverse material 4 at the end part of a standard section of a tower body.
(3) A bidirectional force-transferring load-distributing mechanism is shown in figure 5 and comprises a screw rod 6 and at least one bolt 5, wherein the bolts 5 and the bolts 5 are in a group and are arranged at one end of the screw rod 6, and the bolts 5 are in a group and are arranged at the other end of the screw rod 6. When the device is used, the position fixing mechanism of the bolt is adjusted, and the tensile force of the screw rod is adjusted.
(4) A bidirectional force-transferring load-distributing mechanism is shown in figure 6 and is installed on a standard section of a rush-repair tower. Firstly, a screw 6 passes through a cross section 4 and a mounting hole 7 on the cross section 4; secondly, fixing the bolt 5, and enabling the bolt 5 and the bolt 5 to clamp the cross material 4; thirdly, screwing the bolt 5 to tighten the screw rod 6; and fourthly, fixing the bolt 5, so that the bolt 5 and the bolt 5 clamp the cross material 4. Thus, the installation of a set of bidirectional force transmission and load distribution mechanism is completed. If necessary, a set is installed on the installation hole 7 and the installation hole 7 according to the same scheme.
(5) As shown in the attached figure 7, when the emergency repair tower rod piece provided with the bidirectional force transmission and load distribution mechanism receives unidirectional pulling force, the load directly acts on the cross material 4 and is transmitted to the cross material 4 through the bolt 5, the screw 6 and the bolt 5, and the original load which is concentrated on the cross material 4 is effectively dispersed to the cross material 4.
(6) As shown in the attached figure 8, when the emergency repair tower rod piece provided with the bidirectional force transmission and load distribution mechanism receives unidirectional pressure, the load directly acts on the cross material 4 and is transmitted to the cross material 4 through the bolt 5, the screw 6 and the bolt 5, and the original load which is concentrated on the cross material 4 is effectively dispersed to the cross material 4.
(7) As shown in the attached figure 9, the rush-repair tower rod piece provided with the bidirectional force transmission and load distribution mechanism simultaneously acts by bidirectional pulling force and pulling force, the load directly acts on the transverse material 4 and the transverse material 4, and is simultaneously transmitted to the screw 6 through the bolt 5 and the bolt 5, so that the two sides are balanced, and the bending moment caused by large stress on one side is avoided.
(8) As shown in the attached drawing 10, the emergency repair tower rod piece provided with the bidirectional force transmission and load distribution mechanism simultaneously acts under the action of 10 pressure and 11 pressure of bidirectional pressure, the load directly acts on the transverse material 4 and the transverse material, and is simultaneously transmitted to the screw 6 through the bolts 5 and the bolts, so that the two sides are balanced, and the bending moment caused by large stress on one side is avoided.
The screw rod of the bidirectional force-transferring and load-dividing mechanism is made of the following materials: the bidirectional force transmission and load distribution mechanism is prepared from the following component materials: less than or equal to 0.2 percent of C, less than or equal to 1.0 to 1.7 percent of Mn1.55 percent of Si, less than or equal to 0.03 percent of p, less than or equal to 0.03 percent of S, 0.0 to 0.2 percent of V, 0.015 to 0.06 percent of Nb0.02 to 0.2 percent of Ti0.02, more than or equal to 0.015 percent of AL, less than or equal to 0.7 percent of Cr and less than or equal to 0.7 percent of Ni.
The bolt of the load distribution mechanism is made of the following chemical component materials: less than or equal to 0.2 percent of C, less than or equal to 1.7 percent of Mn, less than or equal to 0.5 percent of Si, less than or equal to 0.035 percent of P and less than or equal to 0.035 percent of S.
The connecting parts can be two or more groups of mutually parallel parts or two or more groups of parts with included angles smaller than 45 degrees, the bidirectional force transmission and load distribution mechanism is arranged, one side of each connecting part is provided with at least one fastening bolt, the number of the fastening bolts can be 2 or more, and one group of fastening parts at the end parts comprise movable parts such as bolts or pins and fixed parts such as welding or integrated forming.
The dowel bar comprises a threaded rod, hollow pipes and solid rods with circular, elliptical, square, rectangular and polygonal sections, I-shaped steel, H-shaped steel, angle steel and other profiles.
The fasteners comprise bolts, clamps, pins and the like, and each group of fasteners are distributed on two sides of the installation tower material to clamp the tower material and simultaneously meet the transmission of tensile force and pressure.
Preferably, when the device is used, a single set is used, 2 sets or a plurality of sets are used in parallel, 2 sets or 4 sets are used in series, and the position fixing mechanism of the bolt is adjusted and the tension of the screw rod is adjusted.
The above description is only exemplary of the invention and is not intended to limit the invention, and any modifications, equivalent alterations, improvements and the like which are made within the spirit and principle of the invention are all included in the scope of the claims which are appended hereto.
Claims (11)
1. An iron tower for transmitting power, the iron tower comprising: the tower comprises a tower body, stay wires between the tower body and the ground, an insulator string which is perpendicular to the tower body and transversely connected between the stay wires between the tower body and the ground, and stay cables positioned between the top ends of the tower body; the iron tower is characterized by comprising a load distributing mechanism, wherein the load distributing mechanism comprises a bidirectional force transferring and load distributing mechanism which is transversely arranged between the sections of the tower body.
2. The pylon according to claim 1 wherein the bidirectional force transfer and load distribution mechanism is disposed in the pylon body and fastened with bolts.
3. The pylon according to claim 1 wherein the bidirectional force transfer and load distribution mechanism comprises one or more force transfer rods and 2 or more sets of fasteners.
4. Iron tower according to claim 1,
when the bidirectional force-transferring and load-dividing mechanism is used, at least 1 or more positions are arranged on the tower body.
5. The pylon according to claim 3 wherein the dowel bars comprise threaded rods, hollow and solid rods of circular, elliptical, square, rectangular, polygonal cross-section, i-section, H-section, angle steel.
6. The pylon according to claim 4 wherein the bi-directional force transfer and load distribution mechanism comprises fasteners comprising nuts, clamps and pins, each set of fasteners being distributed on both sides of the pylon body to clamp the pylon material while allowing for the transfer of tension and compression forces.
7. The steel pylon according to claim 1 or 2, wherein the bidirectional force transmission and load distribution mechanism comprises a screw and at least 4 nuts, and two nuts are respectively arranged at two ends of the screw in a group; when the screw rod pulling force adjusting mechanism is used, a single set is used, 2 sets or a plurality of sets are used in parallel, 2 sets or 4 sets are used in series, and the screw rod pulling force is adjusted through the adjusting bolt position fixing mechanism.
8. An iron tower according to claim 1 wherein the guy wires are steel wires of 5 mm diameter.
9. The pylon according to claim 1 wherein the insulator strings are three-phase stressed insulator strings.
10. The pylon according to claim 1 wherein the guy cable is a 5 mm diameter wire.
11. The pylon according to claim 1 wherein the elements of the body are angle irons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920267860.XU CN210508622U (en) | 2019-03-04 | 2019-03-04 | Power transmission iron tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920267860.XU CN210508622U (en) | 2019-03-04 | 2019-03-04 | Power transmission iron tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210508622U true CN210508622U (en) | 2020-05-12 |
Family
ID=70543142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920267860.XU Active CN210508622U (en) | 2019-03-04 | 2019-03-04 | Power transmission iron tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210508622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648637A (en) * | 2019-03-04 | 2020-09-11 | 中国电力科学研究院有限公司 | Power transmission iron tower |
-
2019
- 2019-03-04 CN CN201920267860.XU patent/CN210508622U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648637A (en) * | 2019-03-04 | 2020-09-11 | 中国电力科学研究院有限公司 | Power transmission iron tower |
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