CN119177797B - A prestressed reinforcement device for transmission tower - Google Patents
A prestressed reinforcement device for transmission tower Download PDFInfo
- Publication number
- CN119177797B CN119177797B CN202411688998.9A CN202411688998A CN119177797B CN 119177797 B CN119177797 B CN 119177797B CN 202411688998 A CN202411688998 A CN 202411688998A CN 119177797 B CN119177797 B CN 119177797B
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- China
- Prior art keywords
- hole
- reinforcing
- angle steel
- yoke plate
- main material
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 230000002787 reinforcement Effects 0.000 title claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 52
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 30
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 241000239290 Araneae Species 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
- E04H12/10—Truss-like structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention provides a prestress reinforcing device for a power transmission tower, which is characterized in that prestress reinforcement is carried out on main materials of the power transmission tower, so that the requirement of reinforcing load is just met, the weight of an increased reinforcing angle steel is minimized, the reinforcing angle steel bears corresponding stress after being installed, and construction operation is convenient.
Description
Technical Field
The invention relates to the field of electric wire installation, in particular to a prestress reinforcing device for a power transmission tower.
Background
With the great application of new energy technology, the grid connection of photovoltaic and wind power stations, the charging of new energy automobiles and the like cause the great increase of the current passing through part of high-voltage lines, and the replacement of wires with larger sections is required. The large-section electric wire is larger in load applied to the iron tower, exceeds the load capacity of the original iron tower, needs to re-sign the earth and civil engineering foundation when being replaced by the iron tower with larger load capacity, and is high in cost and long in construction period, and the original iron tower can be reinforced and reinforced, so that the cost for constructing a high-voltage line can be greatly saved, and the construction period is shortened. However, the existing reinforcing method has the defects that the reinforcing effect is poor, and the additional angle steel cannot bear the same force as the original angle steel.
After the existing overhead transmission line runs for a period of time, the design standard is improved for reasons such as constructing a highway or a high-speed rail under the line, and the electric wire is required to be newly erected or the iron tower is required to be reinforced. Iron tower reinforcements generally reinforce the main material.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the prestress reinforcing device for the power transmission tower, which is used for reinforcing the main material of the tower body of the power transmission tower, so that the reinforced angle steel bears corresponding stress after being installed, the weight increase of the reinforced angle steel is controlled to be minimized, and the construction operation is convenient.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a transmission tower prestressing force reinforcing apparatus, the iron tower comprises main material and vice material truss tower column structure, according to the iron tower is predetermine the increase load calculation the increase value of main material load, select bearing capacity to be greater than the reinforcing angle steel of increase value of main material load, utilize the spider hole site at main material both ends installs first yoke plate and second yoke plate, a reinforcing angle steel include first end and second end, first end with the second end respectively has a set of reinforcing bolt hole, first end with first yoke plate bolted connection, a set of yoke plate bolt hole is seted up to the second yoke plate, the yoke plate bolt hole with reinforcing bolt hole is followed reinforcing angle steel length direction skew a preset distance, the preset distance is according to main material load increase value the cross section of reinforcing angle steel with reinforcing angle steel elastic modulus calculates according to the line strain formula and obtains, the second end of reinforcing angle steel still includes at least one loading round hole, the second yoke plate with the loading round hole corresponds and sets up a set of reinforcing bolt hole, a set of reinforcing bolt hole with a set of loading long groove has the reinforcing bolt hole is parallel to the tie plate, a preset distance has the reinforcing bolt hole is inserted to the tie plate, the reinforcing bolt hole has a set of loading hole, a pair of loading hole has the jack hole is aligned with the tie hole, the reinforcement hole is inserted into the tie hole, the tie hole has a circular hole.
Preferably, one end of the hollow round tube with the length of one meter is provided with the cylinder.
Preferably, the thickness of the pad is 10 mm.
Preferably, the main material is angle steel, the first yoke plate and the second yoke plate are two groups, and are respectively connected with two limbs of the main material.
The invention has the beneficial effects that the invention is used for reinforcing the existing power transmission iron tower and improving the bearing capacity and disaster resistance of the iron tower. Compared with the existing power transmission tower reinforcing method, the method has the following advantages. First, the thickness of big cross-section main material angle steel is great, needs to increase the load value great, and the direct use lever prying can appear thickness increase resistance arm increase, and under the unchangeable circumstances of power arm, there is the load that the workman can apply on the contrary to reduce difficult problem to adjust through the preset thickness of cushion to and loading round hole toper chamfer, with lever cooperation, realize adjusting the resistance arm length of lever, thereby realize under the limited circumstances of workman's strength, increase load increase value, satisfy the demand of reinforcement load, the reinforcement angle steel weight of increase is minimum. And the second reinforcing angle steel bears corresponding stress after being installed. Thirdly, the prestress is applied to the reinforced angle steel through the cooperation of the lever and the hole formed in the angle steel, so that high-altitude construction is facilitated, cost is reduced, and construction operation is convenient.
Drawings
FIG. 1 is a schematic diagram of a pylon according to the present invention;
FIG. 2 is a schematic illustration of the prestress reinforcement mounting of the present invention;
FIG. 3 is a schematic illustration of a lever of the present invention;
FIG. 4 is a schematic diagram of a cushion block according to the present invention;
fig. 5 is a cross-sectional view of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present patent more apparent, the following detailed description of the embodiments of the present patent will be given with reference to the accompanying drawings.
See fig. 1-5. A prestress reinforcing device for a power transmission tower is characterized in that the power transmission tower comprises a truss tower-shaped structure formed by a main material 1 and an auxiliary material 2, a wire 3 is erected on the power transmission tower, the power transmission tower is preset to increase the load of the main material 1, a reinforcing angle steel 4 with the bearing capacity larger than the load increase value of the main material 1 is selected, a first yoke plate 5 and a second yoke plate 6 are installed by using the hole sites of the connecting bolts at the two ends of the main material 1, one reinforcing angle steel 4 comprises a first end and a second end, the first end and the second end are respectively provided with a group of reinforcing bolt holes, the first end is connected with the first yoke plate 5 through bolts, the second yoke plate 6 is provided with a group of yoke plate bolt holes, the yoke plate bolt holes and the reinforcing bolt holes are offset by a preset distance along the length direction of the reinforcing angle steel 4, the preset distance is calculated according to the load increasing value of the main material 1, the cross section of the reinforcing angle steel 4 and the elastic modulus of the reinforcing angle steel 4 and the linear strain formula, the second end of the reinforcing angle steel 4 further comprises at least one loading round hole 11, the loading round hole 11 is chamfered in a conical manner, a loading slotted hole 13 is correspondingly formed in the second link plate 6 and the loading round hole 11, the length of the slotted hole 13 is larger than the preset distance, an arc-shaped cushion block 10 is placed in the slotted hole 13, the cushion block 10 has a preset thickness, the cushion block 10 is aligned with the loading round 11 hole, a lever 8 is arranged at one end of the lever 8, a cylinder 12 is inserted into the loading round hole 11 in a matched mode, the reinforcing bolt hole is aligned with the link plate bolt hole by prying the reinforcing angle steel 4 by the force applied to the other end of the lever 8, and the reinforcing bolt hole is fastened with the link plate bolt hole in the fastening mode, and prestress reinforcement of the iron tower is achieved.
One end of a hollow round tube with the length of one meter of the lever 8 is provided with a cylinder 12. The thickness of the spacer 10 is 10 mm. The main material 1 is angle steel, and the first connecting plate 5 and the second connecting plate 6 are two groups and are respectively connected with two limbs of the main material 1.
The method is used for reinforcing the existing power transmission iron tower and improving the bearing capacity and disaster resistance of the iron tower. Compared with the existing power transmission tower reinforcing method, the method has the following advantages. First, the thickness of 1 angle steel of big cross-section main material is great, needs to increase the load value great, and the direct use lever 8 prying can appear thickness increase resistance arm increase, under the unchangeable condition of power arm, has the load that the workman can apply on the contrary to reduce difficult problem, through the preset thickness adjustment of cushion 10 to and load round hole 11 toper chamfer, with lever 8 cooperation, realize adjusting the resistance arm length of lever 8, thereby realize that the workman's strength is limited under the condition, increase load increase value, just satisfy the demand of strengthening the load, the 4 weight minimization of reinforcing angle steel that increases. The second, reinforcing angle 4 is subjected to corresponding stresses after installation. Thirdly, the prestress is applied to the reinforced angle steel 4 through the cooperation of the lever 8 and the hole formed in the angle steel, so that high-altitude construction is facilitated, cost is reduced, and construction operation is convenient.
The foregoing embodiments are illustrative only and are not intended to limit the present invention, and any modifications, equivalents, sub-scheme combinations, improvements, etc. made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The utility model provides a transmission tower prestressing force reinforcing apparatus, the iron tower comprises truss tower column structure by main material and vice material, its characterized in that is according to the iron tower presets the increase load calculation main material load increase value, selects the reinforcing angle steel that bearing capacity is greater than main material load increase value, utilizes the spider bolt hole site at main material both ends installs first yoke plate and second yoke plate, and a reinforcing angle steel includes first end and second end, first end with the second end respectively has a set of reinforcing bolt hole, first end with first yoke plate bolted connection, a set of yoke plate bolt hole is seted up to the second yoke plate, the yoke plate bolt hole with reinforcing bolt hole is followed reinforcing angle steel length direction skew a preset distance, the preset distance is according to main material load increase value reinforcing angle steel's cross section with reinforcing angle steel elastic modulus calculates according to the line strain formula and obtains, reinforcing angle steel's second end still includes at least one loading round hole, the second yoke plate with the loading round hole corresponds and sets up a loading long slot, a preset length is greater than a set of loading hole with a loading hole is in the boss hole, a preset length is in the boss hole is inserted to the boss hole, a preset length is equal to the boss hole has the reinforcing bolt hole, and a boss hole is inserted into the boss hole, the boss hole is aligned with the boss hole is inserted into the boss hole.
2. The prestressed reinforcement device for power transmission towers according to claim 1, wherein one end of a hollow circular tube with a length of one meter is provided with said cylinder.
3. The pylon prestressing reinforcement of claim 2, wherein the spacer has a thickness of 10 mm.
4. The prestressed reinforcement device for a power transmission tower according to claim 3, wherein the main material is angle steel, and the first yoke plate and the second yoke plate are two groups, and are respectively connected with two limbs of the main material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411688998.9A CN119177797B (en) | 2024-11-25 | 2024-11-25 | A prestressed reinforcement device for transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411688998.9A CN119177797B (en) | 2024-11-25 | 2024-11-25 | A prestressed reinforcement device for transmission tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119177797A CN119177797A (en) | 2024-12-24 |
| CN119177797B true CN119177797B (en) | 2025-02-11 |
Family
ID=93900120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411688998.9A Active CN119177797B (en) | 2024-11-25 | 2024-11-25 | A prestressed reinforcement device for transmission tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119177797B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108103965A (en) * | 2018-01-12 | 2018-06-01 | 长沙理工大学 | Prestressed Bailey beam for reinforcement and construction method thereof |
| CN118582082A (en) * | 2024-07-03 | 2024-09-03 | 华蓝设计（集团）有限公司 | Post-anchored nodes for improving bearing capacity of concrete substrate and bearing capacity calculation method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140049240A (en) * | 2012-10-17 | 2014-04-25 | 한국전력공사 | Base reinforcement apparatus for installation of helper-tower |
| CN207526224U (en) * | 2017-10-19 | 2018-06-22 | 国网山东省电力公司郓城县供电公司 | A kind of device for being used to lever up electric pole |
| CN219246955U (en) * | 2023-02-03 | 2023-06-23 | 四川电力设计咨询有限责任公司 | Power transmission tower grounding assembly and tower foot structure |
-
2024
- 2024-11-25 CN CN202411688998.9A patent/CN119177797B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108103965A (en) * | 2018-01-12 | 2018-06-01 | 长沙理工大学 | Prestressed Bailey beam for reinforcement and construction method thereof |
| CN118582082A (en) * | 2024-07-03 | 2024-09-03 | 华蓝设计（集团）有限公司 | Post-anchored nodes for improving bearing capacity of concrete substrate and bearing capacity calculation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119177797A (en) | 2024-12-24 |
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Effective date of registration: 20250330 Address after: 400030, 60 South Sha Street, Shapingba District, Chongqing Patentee after: CHONGQING ELECTRIC POWER DESIGN INSTITUTE Co.,Ltd. Country or region after: China Address before: 518000 Room 201, building A, 1 front Bay Road, Shenzhen Qianhai cooperation zone, Shenzhen, Guangdong Patentee before: SHENZHEN DAILU TECHNOLOGY Co.,Ltd. Country or region before: China |