CN206545426U - A kind of anti-buckling bracing means of power transmission tower frame angle steel - Google Patents
A kind of anti-buckling bracing means of power transmission tower frame angle steel Download PDFInfo
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- CN206545426U CN206545426U CN201720232442.8U CN201720232442U CN206545426U CN 206545426 U CN206545426 U CN 206545426U CN 201720232442 U CN201720232442 U CN 201720232442U CN 206545426 U CN206545426 U CN 206545426U
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Abstract
The utility model embodiment discloses a kind of anti-buckling bracing means of power transmission tower frame angle steel, improve the Compression Stability bearing capacity of power transmission tower frame angle member, prevent the part and complete buckling of angle steel, simultaneously under high wind effect, angle member can be surrendered without flexing, the rigidity of structure is reduced, so as to resist high wind effect.A kind of anti-buckling bracing means of power transmission tower frame angle steel of the utility model embodiment includes：Square-section square tube A, square-section square tube B, square-section square tube C；The square-section square tube A, the square-section square tube B, the square-section square tube C are spliced to form the space of clamping power transmission tower frame angle steel；It is bolted between the square-section square tube A, the square-section square tube B, the square-section square tube C.
Description
Technical field
The utility model is related to power transmission tower frame field, more particularly to a kind of anti-buckling bracing means of power transmission tower frame angle steel.
Background technology
With the development of China's power industry, transmission line of electricity voltage class more and more higher, span is increasing, power transmission tower frame
Height is with increase.Angle steel is the section form being most widely used in Transmission tower.
With global environmental change, extreme weather conditions, such as high wind, macroseism, the increase of low temperature probability of occurrence, part is transmitted electricity
Pylon under arms during there is rod member unstability and cause the accident of tower from collapse.Power transmission tower frame once wrecks, and not only makes
Into huge economic loss, serious possibility causes the paralysis of whole electric power system.For prevent caused by component flexing intensity and
Stiffness Deterioration, is developed buckling restrained brace in recent years, improves complete buckling problem of the rod member under Structure Under Axial Compression, but anti-
Flexing effect is limited.
Utility model content
The utility model embodiment discloses a kind of anti-buckling bracing means of power transmission tower frame angle steel, improves power transmission tower frame angle
The Compression Stability bearing capacity of steel rod elements, prevents the part and complete buckling of angle steel, while under high wind effect, angle member can be with
Surrender reduces the rigidity of structure without flexing, so as to resist high wind effect.
The utility model embodiment provides a kind of anti-buckling bracing means of power transmission tower frame angle steel, including：Square-section side
Pipe A, square-section square tube B, square-section square tube C；
The square-section square tube A, the square-section square tube B, the square-section square tube C are spliced to form clamping transmission of electricity
The space of pylon angle steel；
Connected between the square-section square tube A, the square-section square tube B, the square-section square tube C by bolt
Connect.
Preferably, the section of the square-section square tube A, the section and the square-section of the square-section square tube B
Adjacent vertex position between square tube C section is provided with two connecting plates extended out.
Preferably, it is provided with bolt hole on the connecting plate.
Preferably, the bolt connects the connecting plate through the bolt hole.
Preferably, the bolt is high-strength bolt.
Preferably, the long edge lengths in section of the square-section square tube A are more than the power transmission tower frame leg of angle edge lengths.
Preferably, the long edge lengths in section of the square-section square tube B be more than the power transmission tower frame leg of angle edge lengths and
The sum of the section bond length of the square-section square tube A.
Preferably, the long edge lengths in section of the square-section square tube C and the square-section square tube C section short side are long
Degree is equal.
Preferably, the long edge lengths in section of the square-section square tube C are more than the power transmission tower frame leg of angle edge lengths.
Preferably, the square-section square tube A, square-section square tube B, square-section square tube C square-section girth and
It is 0.6-1 times of the power transmission tower frame leg of angle edge lengths sum.
As can be seen from the above technical solutions, the utility model embodiment has advantages below：
The utility model embodiment, which provides a kind of anti-buckling bracing means of power transmission tower frame angle steel, to be included：Square-section square tube
A, square-section square tube B, square-section square tube C；The square-section square tube A, the square-section square tube B, the rectangle are cut
Face square tube C is spliced to form the space of clamping power transmission tower frame angle steel；The square-section square tube A, the square-section square tube B, institute
State and be bolted between the square tube C of square-section.In the present embodiment, confining part is set in angle steel surrounding, to increase angle steel
Area of section, improve the radius of gyration of angle steel, increase its monolithic stability and local stability bearing capacity, while not changing angle again
The axial rigidity of steel, rigidity and the natural vibration period of power transmission tower frame are not influenceed, the Compression Stability of power transmission tower frame angle member is improved
Bearing capacity, prevents the part and complete buckling of angle steel, while under high wind effect, angle member can be surrendered without flexing, drop
The low rigidity of structure, so as to resist high wind effect.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 be in the utility model embodiment the single angle steel of a kind of power transmission tower frame that provides by the bracing means section of scheme one
Schematic diagram；
Fig. 2 reinforces schematic diagram for the single angle steel of a kind of power transmission tower frame provided in the utility model embodiment by scheme one；
Fig. 3 be in the utility model embodiment a kind of power transmission tower frame Two bors d's oeuveres angle steel for providing by the bracing means section of scheme one
Schematic diagram；
Fig. 4 reinforces schematic diagram for a kind of power transmission tower frame angle steel provided in the utility model embodiment by scheme two；
Fig. 5 is illustrated for a kind of power transmission tower frame angle steel provided in the utility model embodiment by the bracing means section of scheme two
Figure；
Fig. 6 a are cut for a kind of power transmission tower frame Two bors d's oeuveres angle steel provided in the utility model embodiment by the bracing means of scheme two
Face schematic diagram；
Fig. 6 b are cut for a kind of power transmission tower frame Two bors d's oeuveres angle steel provided in the utility model embodiment by the bracing means of scheme two
Face schematic diagram；
Fig. 7 is a kind of schematic three dimensional views of the power transmission tower frame provided in the utility model embodiment；
Illustrate：1 first confining part, 2 second confining parts, 3 the 3rd confining parts, 4 first bolts, 5 first is single
Root power transmission tower frame angle steel, 6 first power transmission tower frame Two bors d's oeuveres angle steel, 7 the 4th confining parts, 8 the 5th confining parts, 9 the 6th constraint structures
Part, 10 second bolts, 11 the 3rd bolts, 12 the 7th confining parts, 13 second single power transmission tower frame angle steel, 14 the 8th constraint structures
Part, 15 the 4th bolts, 16 the 9th confining parts, 17 the tenth confining parts, 18 the 11st confining parts, 19 second power transmission tower frames are double
Spell angle steel.
Embodiment
The utility model embodiment discloses a kind of anti-buckling bracing means of power transmission tower frame angle steel, improves power transmission tower frame angle
The Compression Stability bearing capacity of steel rod elements, prevents the part and complete buckling of angle steel, while under high wind effect, angle member can be with
Surrender reduces the rigidity of structure without flexing, so as to resist high wind effect.
Referring to Fig. 1, the one of a kind of anti-buckling bracing means of power transmission tower frame angle steel provided in the utility model embodiment
Individual embodiment includes：
Square-section square tube A is the first confining part 1, square-section square tube B i.e. the second confining part 2, square-section side
Pipe C is the 3rd confining part 3；
The square-section square tube A is the first confining part 1, the second confining parts of the square-section square tube B 2, described
Square-section square tube C is the space that the 3rd confining part 3 is spliced to form clamping power transmission tower frame angle steel；
The square-section square tube A is the first confining part 1, the square-section square tube B i.e. the second confining part 2, institute
State and connected by bolt i.e. the first bolt 4 between square-section square tube C i.e. the 3rd confining part 3.
Further, the square-section square tube A is the section of the first confining part 1, the square-section square tube B i.e.
The section of two confining parts 2 and the square-section square tube C are that the adjacent vertex position between the section of the 3rd confining part 3 is set
It is equipped with two connecting plates extended out.
Further, it is provided with bolt hole on the connecting plate.
Further, the bolt is that the first bolt 4 connects the connecting plate through the bolt hole.
Further, the bolt is that the first bolt 4 is high-strength bolt.
Further, the square-section square tube A is the long edge lengths in section of the first confining part 1 more than the power transmission tower
Frame angle steel is the first single limb edge lengths of power transmission tower frame angle steel 5.
Further, the square-section square tube B is the long edge lengths in section of the second confining part 2 more than the power transmission tower
Frame angle steel is the first single limb edge lengths of power transmission tower frame angle steel 5 and the square-section square tube A i.e. section of the first confining part 1
The sum of bond length.
Further, the square-section square tube C is the long edge lengths in section of the 3rd confining part 3 and the square-section
Square tube C is that the section bond length of the 3rd confining part 3 is equal.
Further, the square-section square tube C is the long edge lengths in section of the 3rd confining part 3 more than the power transmission tower
Frame angle steel is the first single limb edge lengths of power transmission tower frame angle steel 5.
Further, the square-section square tube A is the first confining part 1, square-section square tube B i.e. the second confining part
2nd, square tube C in square-section is the square-section girth of the 3rd confining part 3 and is that the power transmission tower frame angle steel i.e. first is single defeated
0.6-1 times of the electric limb edge lengths sum of pylon angle steel 5.
A kind of another embodiment bag for anti-buckling bracing means of power transmission tower frame angle steel that the utility model embodiment is provided
Include the confining part on the outside of restrained angle steel and the confining part on the inside of restrained angle steel.
Scheme one, such as Fig. 1：
Confining part is the square tube of three square-sections, and steel pipe uses common low carbon structural steel；
Described square tube, which is spliced to form behind the angle steel gap described in clamping, and square tube splicing, forms rectangle outsourcing reinforcing dress
Put.The angle steel is the first single double joint power transmission tower frame angle steel 6 of power transmission tower frame angle steel 5 or first.
Further, the long side of Box Section is longer than leg of angle edge lengths.
Further, the long edge lengths of Box Section are longer than the overall length of leg of angle edge lengths and square tube bond length.
Further, the long short side of Box Section is isometric, but the longer than limb edge lengths of angle steel.
Further, the cross sectional boundary position of all square tubes sets 90 ° of turnings extension, and sets on extension bolt
Hole, for installing fixation.
Further, it is bolted between the square tube, screw thread is structure high-strength bolt.
Further, the length of the confining part is 4/5 or so of restrained angle steel, in restrained component
Portion.
The reinforcing schematic diagram of scheme one is as shown in Figure 2.
Scheme two, as shown in Figure 5：
Confining part can be a semi-circular support plate, and described inner side confining part is a pipe, plectane and circle
Guan Jun uses structure ordinary low-carbon steel.The clamping angle steel is formed between described interior constraint pipe and outer constraint supporting plate
Gap, and two semi-circular support plates fit together to form circular outsourcing bracing means.The angle steel is the second single transmission of electricity
The double joint power transmission tower frame angle steel 19 of pylon angle steel 13 or second.
Further, the limb of the semi-circular support plate be wider than angle steel to be constrained limb it is wide, in the limb of angle steel to be constrained
Broad edge sets bolt hole.
Further, the diameter of the semi-circular support plate is more than the double limb summit spacing of angle steel, in semi-circular support plate
Limb end sets 90 ° of connecting plate, and sets bolt hole on connecting plate, for installing fixation.
Further, two semi-circular support plates are spliced by bolt, and screw thread is structure high-strength bolt.
Further, 4/5 or so of the about restrained angle steel of length of the outer confining part and built-in pipe, positioned at by about
The middle part of beam angle steel.
The reinforcing schematic diagram of scheme two is as shown in Figure 4.
A kind of anti-buckling bracing means of power transmission tower frame angle steel is disclosed in the present embodiment, is divided into for single limb angle steel and double limbs
The reinforcing of angle steel.Confining part is set in angle steel surrounding, to increase the area of section of angle steel, the radius of gyration of angle steel is improved, increases
Its big monolithic stability and local stability bearing capacity, while not changing the axial rigidity of angle steel again, the firm of power transmission tower frame is not influenceed
Degree and natural vibration period, it is to avoid influence of traditional reinforcing mode to tower oscillation characteristic, and then influence its anti-seismic performance.Constrain structure
Part has semi-circular cross-section, square-section etc.；To prevent the local buckling of angle steel, while being additionally provided with interior confining part.Constrain structure
Part is connected by high-strength bolt, so as to avoid influence of the welding to pylon stress performance during one's term of military service.Angle steel after reinforcing is returned
Turn radius big, effectively enhance anti-buckling ability.
The present embodiment can be used for the angle steel for reinforcing existing power transmission tower frame, and such as Fig. 7 improves the compression of power transmission tower frame angle member
Stability bearing capacity, prevents the part and complete buckling of angle steel；Simultaneously under high wind effect, angle member can be surrendered and unyielding
Song, reduces the rigidity of structure, so as to resist high wind effect.The Scheme of Strengthening of the present embodiment is not required to welding, meets in structural steelwork
To the nonweldable regulation of primary structure member, while avoiding producing residual stress and local damage.The embodiment passes through confining part
Angle steel is reinforced, Internal Force Redistribution is not resulted in.Simple to operate, installation rate is fast, and cost performance is high, available for all kinds of needs
The power transmission tower frame angle steel of reinforcing, and realize the reinforcing of high-volume angle steel tower.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6 (a, b), a kind of power transmission tower frame that the utility model embodiment is provided
The anti-buckling bracing means of angle steel, including the first confining part 1, the second confining part 2, the 3rd confining part 3, the 4th confining part
7th, the 5th confining part 8, the 6th confining part 9, the 7th confining part 12, the 8th confining part 14, the 9th confining part 16,
Ten confining parts 17, the 11st confining part 18 are made using ordinary low-carbon steel；First bolt 4, the second bolt 10, the 3rd bolt
11, the 4th bolt 15, bolt is structure high-strength bolt, and structure is high-strength bolt with high-strength bolt, its load that can be born
Plain bolt than same specification is big, and its material is 45# steel, steel alloy (such as 20MnTiB, 35VB) or other quality materials, system
It is heat-treated into rear, improves intensity.First confining part 1, the second confining part 2, the constraint of the 3rd confining part the 3, the 4th
Component 7, the 5th confining part 8, the 6th confining part 9 are located at the first single power transmission tower frame Two bors d's oeuveres of power transmission tower frame angle steel 5 and first
The outside of angle steel 6, the wide leg of angle that is all higher than of confining part limb is wide, and bolt hole, confining part are set in confining part limb broad edge
Between connected by the first bolt 4 and the second bolt 10, form square outsourcing reinforcement system, the length of all confining parts is about
For 4/5 or so of angle steel total length, confining part is located at the centre position of angle steel length.The length of confining part is to refer to often
The length for the bracing means installed at the angle steel that one section needs reinforcement, the length of confining part is about 4/5 or so of angle steel length
Scattered stress that can be relatively good, plays preferably reinforcement effect.The centre position that confining part is located at angle steel length is desirable
When bracing means being installed outside the angle steel of reinforcing, bracing means is arranged on to the centre of this section of angle steel, due to bracing means length
About 4/5 or so of angle steel length, so respectively staying 1/10 distance at the two ends of angle steel.
The schematic diagram of shown confining part is the cross-sectional view of confining part in wherein all figures, and this device is
A kind of device of sleeve type, it would be desirable to which the angle steel of reinforcing, which is wrapped up, plays a supporting role, needs to install on each power transmission tower
The position of this device may have at more than one, and the cross section and length that the angle steel of this device is installed as needed determine this
The size of device.
First confining part 1, the second confining part 2, the 3rd confining part 3, the 4th confining part 7, the 5th confining part
8th, the 6th confining part 9, the 7th confining part 12, the 8th confining part 14, the 9th confining part 16, the tenth confining part 17,
The thickness of 11st confining part 18 need to require to determine according to anti-buckling.
First confining part 1, the second confining part 2, the 3rd confining part 3, the 4th confining part 7, the 5th confining part
8th, the 6th confining part 9, the 7th confining part 12, the 8th confining part 14, the 9th confining part 16, the tenth confining part 17,
11st confining part 18, which is located at, is reinforced 4/5 of angle steel or so, and 1/10 distance is respectively stayed at the two ends of angle steel.
First confining part 1, the second confining part 2, the 3rd confining part 3, the 4th confining part 7, the 5th confining part
8th, the 6th confining part 9, the 7th confining part 12, the 8th confining part 14, the 9th confining part 16, the tenth confining part 17,
The gap of cleat angle is formed between 11st confining part 18,
First confining part 1, the second confining part 2, the 3rd confining part 3, the 4th confining part 7, the 5th confining part
8th, the 6th confining part 9, the 7th confining part 12, the 8th confining part 14, the 9th confining part 16, the tenth confining part 17,
11st confining part 18 sets connecting plate, and sets bolt hole on connecting plate, for installing fixation.
The utility model sets confining part to be wrapped up in power transmission tower frame angle steel surrounding, and the confining part of outsourcing passes through spiral shell
Tether and connect, realize in the case of welding, align the purpose that the angle steel of power transmission tower frame under arms is reinforced.
A kind of another embodiment for anti-buckling bracing means of power transmission tower frame angle steel that the utility model is provided, including：Quilt
Confining part core angle steel, is arranged on the confining part of core angle steel surrounding, and confining part is connected using high-strength bolt.The core
Material is single limb angle steel or double limb angle steel.The confining part supporting plate has connecting plate in end, and sets on connecting plate bolt
Hole, for installing fixation.Confining part uses common low carbon structural steel.It is bolted between the confining part.It is described
The length of confining part is about 4/5 or so of core angle steel, positioned at the middle part of angle steel to be constrained.
A kind of manufacture method for anti-buckling bracing means of power transmission tower frame angle steel that the utility model is provided, specific steps are such as
Under：
1) constraint pipe, tightens bolt in placing；
2) semicircle constraint supporting plate is installed, bolt is tightened.
A kind of another manufacture method for anti-buckling bracing means of power transmission tower frame angle steel that the utility model is provided, specific step
It is rapid as follows：
Three square-section confining parts are in place, three groups of bolts are tightened.
A kind of anti-buckling bracing means of power transmission tower frame angle steel provided by the utility model is described in detail above,
For those of ordinary skill in the art, according to the thought of the utility model embodiment, in embodiment and application
On will change, in summary, this specification content should not be construed as to limitation of the present utility model.
Claims (10)
1. a kind of anti-buckling bracing means of power transmission tower frame angle steel, it is characterised in that including：Square-section square tube A, square-section side
Pipe B, square-section square tube C；
The square-section square tube A, the square-section square tube B, the square-section square tube C are spliced to form clamping power transmission tower frame
The space of angle steel；
It is bolted between the square-section square tube A, the square-section square tube B, the square-section square tube C.
2. the anti-buckling bracing means of power transmission tower frame angle steel according to claim 1, it is characterised in that the square-section side
Adjacent vertex position between the section in pipe A section, the section of the square-section square tube B and the square-section square tube C
It is provided with two connecting plates extended out.
3. the anti-buckling bracing means of power transmission tower frame angle steel according to claim 2, it is characterised in that set on the connecting plate
It is equipped with bolt hole.
4. the anti-buckling bracing means of power transmission tower frame angle steel according to claim 3, it is characterised in that the bolt passes through institute
State bolt hole and connect the connecting plate.
5. the anti-buckling bracing means of power transmission tower frame angle steel according to claim 4, it is characterised in that the bolt is high-strength
Bolt.
6. the anti-buckling bracing means of power transmission tower frame angle steel according to claim 4, it is characterised in that the square-section side
The pipe A long edge lengths in section are more than the power transmission tower frame leg of angle edge lengths.
7. the anti-buckling bracing means of power transmission tower frame angle steel according to claim 6, it is characterised in that the square-section side
The pipe B long edge lengths in section are more than the power transmission tower frame leg of angle edge lengths and the section short side of the square-section square tube A is long
The sum of degree.
8. the anti-buckling bracing means of power transmission tower frame angle steel according to claim 7, it is characterised in that the square-section side
The pipe C long edge lengths in section and the section bond length of the square-section square tube C are equal.
9. the anti-buckling bracing means of power transmission tower frame angle steel according to claim 8, it is characterised in that the square-section side
The pipe C long edge lengths in section are more than the power transmission tower frame leg of angle edge lengths.
10. the anti-buckling bracing means of power transmission tower frame angle steel according to claim 9, it is characterised in that the square-section
Square tube A, square-section square tube B, square-section square tube C square-section girth and be the power transmission tower frame leg of angle edge lengths and
0.6-1 times.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685059A (en) * | 2021-09-17 | 2021-11-23 | 山东大学 | Anti-buckling reinforcing device for improving stability of angle steel |
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2017
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685059A (en) * | 2021-09-17 | 2021-11-23 | 山东大学 | Anti-buckling reinforcing device for improving stability of angle steel |
| CN113685059B (en) * | 2021-09-17 | 2022-08-26 | 山东大学 | Anti-buckling reinforcing device for improving stability of angle steel |
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