CN203905527U - Reinforcing device for weak transmission tower - Google Patents
Reinforcing device for weak transmission tower Download PDFInfo
- Publication number
- CN203905527U CN203905527U CN201420301214.8U CN201420301214U CN203905527U CN 203905527 U CN203905527 U CN 203905527U CN 201420301214 U CN201420301214 U CN 201420301214U CN 203905527 U CN203905527 U CN 203905527U
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- China
- Prior art keywords
- transmission tower
- power transmission
- column
- clamping plate
- connecting rod
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 64
- 230000003014 reinforcing effect Effects 0.000 title abstract 4
- 238000009434 installation Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 230000006378 damage Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
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- Suspension Of Electric Lines Or Cables (AREA)
- Electric Cable Installation (AREA)
Abstract
The utility model discloses a reinforcing device for a weak transmission tower and relates to the technical field of transmission towers. The reinforcing device for the weak transmission tower is used for solving the problem that the strength of an existing transmission tower is not high enough. According to the reinforcing device for the weak transmission tower, four stand columns are arranged on the periphery of the main limbs of the transmission tower and fixedly connected with the main limbs of the transmission tower through connecting rods, the width of the cross section of each main limb of the transmission tower is greatly increased due to the arrangement of the stand columns and the connecting rods, the strength of the main limbs of the transmission tower is improved, it is avoided that because of strong wind weather, the main limbs of the transmission tower break, and a guarantee is provided for normal power transmission. The connecting rods and the main limbs are fixedly connected through clamping hoops, the main limbs of the transmission tower and the connecting rods can be fast connected due to the arrangement of the clamping hoops, the connection is firm, labor intensity in construction is relieved, and the installing efficiency is greatly improved.
Description
Technical field
The utility model relates to power transmission tower technical field, specifically the bracing means of the main limb of a kind of power transmission tower.
Background technology
Power transmission tower is the important component part of overhead transmission line, plays a part support wire, ground wire and other annexes.Power transmission tower function and form of structure change with various factors such as line voltage distribution grade, landform along the line, construction service conditions, and form is various.In normal course of operation, under the loads such as deadweight, wind, rain (snow), icing and temperature, steel tower all should have sufficient intensity to ensure the normal operation of transmission system; In addition, in the situation that some are special, during as wire fracture, steel tower also should have the further heavy damage of enough intensity to prevent from causing due to broken string.Some the transmission of electricity tower moving in actual track was designed the even more morning eighties in last century, be subject to the restriction of method for designing and analysis means at that time, be difficult to meticulously project organization be analyzed and evaluation comprehensively, cannot consider intensity, rigidity and the stability problem of each member in structure comprehensively, along with taking place frequently of extreme climate in recent years, some power transmission tower safety problems that come into operation are early more outstanding.Through check analysis, often there is main material specification problem on the low side in this type of Transmission Tower, and design wind speed deficiency may occur, because of intensity, local stability the is not enough destruction causing, not meet requirement of strength design.
Utility model content
The purpose of this utility model is to provide a kind of bracing means of weak power transmission tower, for solving the problem of existing power transmission tower strength deficiency.
The technical scheme in the invention for solving the technical problem is: a kind of bracing means of weak power transmission tower, it is characterized in that, comprise column and connecting rod, described column is four of arranging corresponding to the main limb of power transmission tower, and four described columns surround the square of a main limb of encirclement power transmission tower, described in each, between column and the corresponding main limb of power transmission tower, be fixedly connected with by some connecting rods.
Further, described in each, one end of connecting rod is welded and fixed with corresponding column, and described in each, the other end of connecting rod is fixedly connected with by the main limb of clamp and power transmission tower; Described clamp comprises the first clamping plate, the second clamping plate, contiguous block, the first bolt assembly and the second bolt assembly, described the first clamping plate and the second clamping plate are the metal sheet of V-arrangement, and described the first clamping plate lay respectively at the both sides of the main limb of power transmission tower with the second clamping plate and are fixedly connected with by the first bolt assembly; Fixedly mount a square contiguous block at the tip of described the first clamping plate, on described contiguous block, be provided with a through hole, be provided with at the other end of described connecting rod the screwed hole that a breach adapting with the profile of contiguous block and adapts with through hole, in described screwed hole and through hole, cooperation is provided with the second bolt assembly.
Further, described column is that external diameter is that 180mm, thickness are the steel pipe of 10mm.
Further, described connecting rod is that external diameter is that 80mm, thickness are the pipe of 10mm.
Further, described in each, the connecting rod between the main limb of column and power transmission tower is three.
Further, described the second clamping plate comprise the clamping part of V-arrangement and L shaped installation portion, described clamping part and the first clamping plate mating reaction, fix respectively an installation portion at the two ends of described clamping part, and described installation portion is fixedly connected with the first clamping plate by the first bolt assembly.
Further, described in each, an anchor is fixed in the bottom of column.
Further, described in each, the bottom of column is provided with a groove that runs through the rectangle of column external cylindrical surface, and the width of described groove is greater than the internal diameter size of column; Described anchor is a channel-section steel, and described anchor is weldingly fixed in groove.
Further, described in each, the bottom of column is provided with a groove that runs through the rectangle of column external cylindrical surface, and the width of described groove is greater than the internal diameter size of column; Described anchor is angle steel, and the number of described anchor is two, and two symmetrically arranged described anchors are weldingly fixed on respectively in groove.
The beneficial effects of the utility model are: the bracing means of the weak power transmission tower that the utility model provides, around the main limb of power transmission tower, four root posts are set, four root posts are fixedly connected with by the main limb of connecting rod and power transmission tower respectively, column and connecting rod the breadth of section that has increased the main limb of power transmission tower is set, improve the intensity of the main limb of power transmission tower, avoid the fracture of the main limb of power transmission tower that strong wind weather causes, for the normal conveying of electric power provides guarantee.Connecting rod is fixedly connected with by clamp with main limb, and the setting of clamp can realize the main limb of power transmission tower and be connected with the quick of connecting rod, and is connected firmly, and the labour intensity while having reduced construction, improves installation effectiveness greatly.
Brief description of the drawings
Fig. 1 is front schematic view of the present utility model;
Fig. 2 is schematic top plan view of the present utility model;
Fig. 3 is column and the schematic diagram that coordinates of connecting rod;
Fig. 4 is column and the basic schematic diagram that coordinates;
Fig. 5 is the column of embodiment mono-and the connection layout of anchor;
Fig. 6 is the column of embodiment bis-and the connection layout of anchor;
Fig. 7 is the assembling drawing of clamp and connecting rod, main limb;
Fig. 8 is the cross-sectional schematic of column;
Fig. 9 is the schematic top plan view of the second clamping plate;
In figure: 1 main limb, 2 columns, 21 grooves, 22 planes, 3 connecting rods, 4 anchors, 5 bases, 6 welding, 71 first clamping plate, 72 second clamping plate, 73 first bolt assemblies, 74 contiguous blocks, 75 second bolt assemblies.
Detailed description of the invention
As shown in Figures 1 to 9, the utility model comprises column 2, connecting rod 3, anchor 4 and clamp, below in conjunction with accompanying drawing, the utility model is described.
As shown in Figure 1 and Figure 2, be provided with four root post 2, four root posts and surround a square around the main limb 1 of power transmission tower, it is the steel pipe that 180mm, thickness are 10mm that column is selected external diameter.Be installed with anchor 4 in the bottom of each column, as shown in Figure 4, the bottom of each column extend in basis 5, and basis is concrete block.When installation, in original ground, dig out in advance a square hole, then the anchor of column and column thereof bottom is put in square hole in the lump, then can obtain basis 5 to concrete perfusion in square hole.As shown in Figure 5, be the column of embodiment mono-and the connection layout of anchor, anchor is selected channel-section steel, as shown in Figure 8, is provided with a groove 21 in the bottom of each column, and groove is rectangular channel, and the face of cylinder of column is run through at the two ends of groove.The width of groove is greater than the internal diameter of column, forms two symmetrically arranged planes 22 on column.The two sides of anchor coordinate with two plane contact respectively, and realize being fixedly connected with of anchor and column by the mode of welding.Anchor is vertical with column to be arranged, and forms an inverted T shape.By anchor and basis, just column is vertically fixed on to main limb around.
As shown in Figure 1, four columns are corresponding with four main limbs of power transmission tower respectively, between each column and corresponding main limb, are connected with three connecting rods 3, and it is the pipe that 80mm, thickness are 10mm that connecting rod is selected external diameter.As shown in Figure 3, Figure 4, one end and the column of connecting rod are welded and fixed, and are specially: the installation end of connecting rod knock slit process, and knock slit place shape and the external cylindrical surface of column adapt, to increase the contact area of column and connecting rod, the contact position of column and connecting rod welds 6.The other end of each connecting rod is fixedly connected with by the main limb of clamp and power transmission tower.Clamp comprises the first clamping plate 71, the second clamping plate 72, the first bolt assembly 73, contiguous block 74 and the second bolt assembly 75, the first clamping plate are the metal sheet of V-arrangement, be provided with one second clamping plate 72 in the inner side of the first clamping plate, as shown in Figure 9, the second clamping plate comprise the clamping part 721 in the middle of being positioned at and are positioned at the installation portion 722 at two ends, clamping part is the metal sheet of V-arrangement, and clamps the main limb of power transmission tower with the first clamping plate mating reaction.Installation portion is L shaped metal sheet, and two installation portions are welded and fixed with the two ends of clamping part respectively, installation portion also can with the moulding of clamping part integrally casting.Two ends at the first clamping plate and the second clamping plate are respectively equipped with some screwed holes, when use, as shown in Figure 7, the first clamping plate and the second clamping plate are placed in respectively to the both sides of the main limb of power transmission tower, now, the main limb of power transmission tower is between the first clamping plate and the second clamping plate clamping part, and the lateral surface of the second clamping plate installation portion is pressed close to coordinate with the medial surface of the first clamping plate; Then by the first bolt assembly 73, the first clamping plate and the second clamping plate are fixed together, the first bolt assembly comprises bolt, packing ring and two nuts, prevents becoming flexible between nut and bolt by two nuts.Be fixed with a contiguous block 74 at the folder end of the first clamping plate, contiguous block can be welded and fixed with the first clamping plate, also can be one-body molded with the first clamping plate, and on contiguous block, be provided with a through hole.Be provided with the breach of a rectangle at the other end of connecting rod, the shape of breach adapts with the phase shape of contiguous block, and contiguous block can be placed in breach.The other end at connecting rod is also provided with a screwed hole, and this screwed hole runs through the external cylindrical surface of connecting rod corresponding with through hole.When installation, contiguous block is extend in the breach of connecting rod, and screwed hole is alignd with through hole, then realize being fixedly connected with between connecting rod and contiguous block by the second bolt assembly 75 coordinating with through hole and screwed hole, now, connecting rod is just fixedly connected with the main limb of power transmission tower by clamp.
Three connecting rods are along the short transverse spaced set of column, and four root posts are vertically fixed on ground, and each column is fixedly connected with the main limb of power transmission tower by three connecting rods, has increased the breadth of section of the main limb of power transmission tower, has improved the intensity of the main limb of power transmission tower.Contrast prototype structure is calculated, result show reinforce after main limb and the maximum mises stress value of other pole stock reduce, can there is not the destruction that causes because of strength deficiency, also can not affect normal operation because of insufficient rigidity.
As shown in Figure 6, be the column of the utility model embodiment bis-and the connection layout of anchor, be only with the difference of embodiment mono-, in embodiment bis-, anchor is selected angle steel, and the number of anchor is two, and two anchors are symmetrical arranged and coordinate with the plane contact on column.Two anchors are welded and fixed with column respectively, column firmly can be fixed in basis equally.
Claims (9)
1. the bracing means of a weak power transmission tower, it is characterized in that, comprise column and connecting rod, described column is four of arranging corresponding to the main limb of power transmission tower, and four described columns surround the square of a main limb of encirclement power transmission tower, described in each, between column and the corresponding main limb of power transmission tower, be fixedly connected with by some connecting rods.
2. the bracing means of a kind of weak power transmission tower according to claim 1, is characterized in that, described in each, one end of connecting rod is welded and fixed with corresponding column, and described in each, the other end of connecting rod is fixedly connected with by the main limb of clamp and power transmission tower; Described clamp comprises the first clamping plate, the second clamping plate, contiguous block, the first bolt assembly and the second bolt assembly, described the first clamping plate and the second clamping plate are the metal sheet of V-arrangement, and described the first clamping plate lay respectively at the both sides of the main limb of power transmission tower with the second clamping plate and are fixedly connected with by the first bolt assembly; Fixedly mount a square contiguous block at the tip of described the first clamping plate, on described contiguous block, be provided with a through hole, be provided with at the other end of described connecting rod the screwed hole that a breach adapting with the profile of contiguous block and adapts with through hole, in described screwed hole and through hole, cooperation is provided with the second bolt assembly.
3. the bracing means of a kind of weak power transmission tower according to claim 2, is characterized in that, described column is that external diameter is that 180mm, thickness are the steel pipe of 10mm.
4. the bracing means of a kind of weak power transmission tower according to claim 2, is characterized in that, described connecting rod is that external diameter is that 80mm, thickness are the pipe of 10mm.
5. the bracing means of a kind of weak power transmission tower according to claim 3, is characterized in that, the connecting rod described in each between the main limb of column and power transmission tower is three.
6. the bracing means of a kind of weak power transmission tower according to claim 2, it is characterized in that, described the second clamping plate comprise the clamping part of V-arrangement and L shaped installation portion, described clamping part and the first clamping plate mating reaction, an installation portion is fixed respectively at two ends at described clamping part, and described installation portion is fixedly connected with the first clamping plate by the first bolt assembly.
7. the bracing means of a kind of weak power transmission tower according to claim 2, is characterized in that, described in each, an anchor is fixed in the bottom of column.
8. the bracing means of a kind of weak power transmission tower according to claim 7, is characterized in that, described in each, the bottom of column is provided with a groove that runs through the rectangle of column external cylindrical surface, and the width of described groove is greater than the internal diameter size of column; Described anchor is a channel-section steel, and described anchor is weldingly fixed in groove.
9. the bracing means of a kind of weak power transmission tower according to claim 7, is characterized in that, described in each, the bottom of column is provided with a groove that runs through the rectangle of column external cylindrical surface, and the width of described groove is greater than the internal diameter size of column; Described anchor is angle steel, and the number of described anchor is two, and two symmetrically arranged described anchors are weldingly fixed on respectively in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420301214.8U CN203905527U (en) | 2014-06-06 | 2014-06-06 | Reinforcing device for weak transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420301214.8U CN203905527U (en) | 2014-06-06 | 2014-06-06 | Reinforcing device for weak transmission tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203905527U true CN203905527U (en) | 2014-10-29 |
Family
ID=51779815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420301214.8U Expired - Lifetime CN203905527U (en) | 2014-06-06 | 2014-06-06 | Reinforcing device for weak transmission tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203905527U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550115A (en) * | 2020-05-18 | 2020-08-18 | 中铁二院工程集团有限责任公司 | Reinforcing structure and reinforcing method for independent anchor column of railway T-beam bridge contact net |
| CN112049456A (en) * | 2020-09-08 | 2020-12-08 | 中国航空规划设计研究总院有限公司 | Shockproof prestressed cable system for masonry ancient tower cultural relics |
-
2014
- 2014-06-06 CN CN201420301214.8U patent/CN203905527U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550115A (en) * | 2020-05-18 | 2020-08-18 | 中铁二院工程集团有限责任公司 | Reinforcing structure and reinforcing method for independent anchor column of railway T-beam bridge contact net |
| CN112049456A (en) * | 2020-09-08 | 2020-12-08 | 中国航空规划设计研究总院有限公司 | Shockproof prestressed cable system for masonry ancient tower cultural relics |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |