CN105952234A - A power transmission tower with an anti-buckling support structure - Google Patents
A power transmission tower with an anti-buckling support structure Download PDFInfo
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- CN105952234A CN105952234A CN201610360338.7A CN201610360338A CN105952234A CN 105952234 A CN105952234 A CN 105952234A CN 201610360338 A CN201610360338 A CN 201610360338A CN 105952234 A CN105952234 A CN 105952234A
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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
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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
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Abstract
The invention provides a power transmission tower with an anti-buckling support structure. The power transmission tower comprises a tower body (1), tower legs (2), a tower head (3) and cross arms (4). First anti-buckling support members (5) are arranged between the tower legs (2) and a tower foundation; the cross arms (4) are provided with second anti-buckling support members (6); the tower head (3) is provided with second anti-buckling support members (6); the tower body (1) is provided with second anti-buckling support members (6). The first anti-buckling support members (5) and the second anti-buckling support members (6) are assembled type anti-buckling support members. The power transmission tower has great wind-resistant and anti-seismic performance and is easy to maintain.
Description
Technical field
The present invention relates to transmission line equipment field, a kind of power transmission tower with buckling-resistant support structure.
Background technology
Along with China's rapid development of economy, energy problem is increasingly becoming one of bottleneck of restriction economic stability sustainable development.For adapting to the demand of sustainable development, realize high efficiency of energy to utilize, China is building and is coupling " three indulge three horizontal strokes " the extra-high voltage bulk transmission grid of large-scale Energy Base and main loads center and multinomial DC transmission engineering, to form extensive " transferring electricity from the west to the east ", the energy source configuration general layout of " NORTEL south is sent ".
Transmission line of electricity carries large artery trunks as the energy, invests huge；Destroying of transmission line of electricity will cause paralysis the likely secondary disaster such as initiation fire of electric power system, cause serious economic loss.In transmission line of electricity, power transmission tower has structure Gao Rou, the lead wire and earth wire span feature such as by force big, non-linear, and is a kind of wind sensitive structure system, properly functioning in order to for guarantee transmission line of electricity, and power transmission tower have to consider, in structure design and use, the impact that wind shakes.
In the application for a patent for invention of Publication No. CN 102535874 A, disclose a kind of high pressure and extra high voltage network steel tower wind resistance strengthening reconstruction method.The method is new tabula face of setting up in the appropriate location of tower body middle and lower part, to strengthen the integral rigidity of electric power pylon；For different turriforms, weakness rod member at the tower head of electric power pylon and cross-arm is carried out strengthening reconstruction.But its method used is for increasing new tabula face at tower body, and increases diagonal brace at tower head and cross-arm or increase the sectional dimension of diagonal brace.This mode is for the strengthening reconstruction of power transmission tower, although it can improve the whole height of power transmission tower, but conventional steel brace is under reciprocal horizontal wind load or geological process, it is susceptible to pressurized surrender, thus cause rigidity, bearing capacity and energy dissipation capacity drastically to decline, make structure ductility substantially reduce and local buckling occurs.
In the utility model patent that notification number is CN 201428770 Y, disclose the viscous damper of a kind of UHV transmission tower wind dynamic control system.This antivibrator all can play damping buffering effect under stretching and two kinds of operating modes of compression.Although this viscous damper can obtain preferable effectiveness in vibration suppression, but it safeguards more difficulty.
Therefore, a kind of power transmission tower with good wind resistance anti-seismic performance and easily maintenance urgently occurs.
Summary of the invention
The technical problem to be solved is that in existing power transmission tower, conventional steel brace, under reciprocal horizontal wind load or geological process, is susceptible to pressurized surrender, makes structure ductility substantially reduce and local buckling occur；And conventional damping component is difficult in maintenance.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that
A kind of power transmission tower with buckling-resistant support structure, including tower body, tower leg, tower head and cross-arm；First curvature-prevention support component is set between described tower leg and column foot；Second curvature-prevention support component is set on described cross-arm；Second curvature-prevention support component is set on described tower head；The second curvature-prevention support component it is provided with on described tower body.
Described first curvature-prevention support component and described second curvature-prevention support component are assembled curvature-prevention support component.
Described first curvature-prevention support component includes external constraint component, the first inner core component and the air gap arranged therebetween or non-cohesive material layer.Described second curvature-prevention support component includes external constraint component, the second inner core component and the air gap arranged therebetween or non-cohesive material layer.Described first anti-buckling restrained bracing member is identical with the external constraint element structure of described second anti-buckling restrained bracing member.
Described external constraint component is assembled, including outer component and internal layer component.Described outer component is being made up of some outer component unit on longitudinally, each outer component unit is tubulose, the one or both ends of the outer component unit of tubulose are provided with the first flange for being connected to each other, and the first flange that outer component unit is arranged by its end is attached with adjacent outer component unit.Each outer component unit is made up of with lower outer layer section of jurisdiction upper outer layer section of jurisdiction；Upper outer layer section of jurisdiction and the left and right end portions of lower outer layer section of jurisdiction, it is disposed radially the second flange outwardly respectively, second flange of upper outer layer section of jurisdiction Yu lower outer layer section of jurisdiction corresponding end, along longitudinally elongated setting, is attached i.e. being formed the described outer component unit of tubulose by the second flange.The outer surface of described outer component is vertically arranged with some first fins；The inner surface of described outer component is vertically arranged with some first grooves.
Described internal layer component includes left inside layer section of jurisdiction and right internal layer section of jurisdiction；Left inside layer section of jurisdiction forms the described internal layer component of tubulose with the split of right internal layer section of jurisdiction；Left inside layer section of jurisdiction and right internal layer section of jurisdiction arrange the tenon cooperated and the second groove in mosaic.The outer surface of described internal layer component is vertically arranged with some second fins, and the inner surface of described internal layer component is smooth surface.Described second fin mates with described first groove shapes, in order between described internal layer component with described outer component, engagement is connected.
Described internal layer component is to arrange along longitudinal divisions.
Described internal layer component is along longitudinally elongated setting.
External constraint component according to the present invention is divided into outer component and internal layer component two-layer to arrange, and the two engages each other, and enhances the collaborative work ability of the two.Simultaneously as fin and the setting of connection flange on external constraint component, the integral rigidity of external constraint component is strengthened.It is formed by connecting additionally, outer component is multiple outer component unit, and each outer component unit is by upper outer layer section of jurisdiction and lower outer layer section of jurisdiction splicing composition, the therefore readily accessible maintenance of outer component.When outer component occurs gross distortion under horizontal reciprocating wind load or geological process or destroys, can only the Local Members of broken parts be changed in time, it is not necessary to carry out integral replacing, cost-effective.In engineering maintenance is overhauled, it is possible to take outer component apart, detect the duty of internal layer component, when finding that internal layer component can only change, when being damaged, the internal layer component being damaged.Particularly, when internal layer component is also to arrange along longitudinal divisions, can only change local internal layer component, change more convenient, maintenance cost is lower.
Described first inner core component in described first curvature-prevention support component includes the first core tube, interior underfill material and deformed bar.The inside of described first core tube is circumferentially provided with some described deformed bars near edge.Described first core tube is internal fills described interior underfill material, and described deformed bar is wrapped up by described interior underfill material.Described interior underfill material is fiber concrete.
The first inner core component in the first curvature-prevention support component according to the present invention, also add in addition to packing material is set in the first core tube and employ deformed bar, greatly improve the stress performance of inner core component, drastically increase the bearing capacity under component tension and compression effect.
The second inner core component in described second curvature-prevention support component includes the second core tube, outer core tube, inner core pipe and corrugated plating.Described outer core tube is set outside described second core tube；Described inner core pipe is set inside described second core tube；Described second core tube keeps spacing with inner core pipe and outer core tube respectively.It is respectively provided with, between described second core tube and described inner core pipe and between described second core tube and described outer core tube, the corrugated plating being closed into tubulose.It is arranged on described corrugated plating between described second core tube and described inner core pipe, its crest or trough contact with the outer surface of the inner surface of described second core tube and described inner core pipe and connect；It is arranged on described corrugated plating between described second core tube and described outer core tube, its crest or trough contact with the inner surface of the outer surface of described second core tube and described outer core tube and connect.The thickness of described outer core tube and described inner core pipe is respectively less than the thickness of described second core tube.
The second inner core component in the second curvature-prevention support component according to the present invention, it uses outer core tube, inner core pipe to limit the second core tube and bending deformation outwardly or inwardly occurs.Although the thickness of outer core tube, inner core pipe is respectively less than the thickness of the second core tube, but owing to being additionally arranged the corrugated plating of two-layer Guan Bi between three, corrugated plating and three define space-load system, collaborative work, it is similar to shear-resistant membrane, it prevents the ability of the second core tube generation flexing to be greatly promoted and alleviate the overall weight of component, is thus advantageous in the application at positions such as the tower body of power transmission tower, cross-arm, tower tops of this curvature-prevention support component, and the most additionally increases too much gravity laod.
During forming described outer component unit and connecting some outer component unit formation outer component, all it is attached by shackle member between described first flange and between described second flange.Described shackle member includes main body, cushion block, wedge, and first installs bolt, and second installs bolt.Described main body includes grooved part and the horizontal limb from the perpendicular limb horizontal extension laterally of grooved part；The groove of described grooved part is used for housing the first flange to be connected or the second flange；The outer surface laminating of described horizontal limb and described outer component unit.Described first installs bolt includes that one end arranges the screw rod of nut and two nuts, and two nuts are close to the perpendicular limb outer surface of grooved part respectively, coordinates screw rod to make described grooved part clamping said two flange to be connected.It is provided with cushion block between nut and neighbouring nut on first installation bolt.Be provided with on the perpendicular limb of described grooved part and on the first flange to be connected or the second flange with first install bolt with the use of installing hole.Wedge includes wedge-shaped part and the horizontal part with wedge-shaped part integral production.The low perpendicular limb leaning against grooved part of described wedge-shaped part and the junction of horizontal limb.Described second installs bolt includes that one end arranges the screw rod of nut, and the second screw rod installing bolt sequentially passes through cushion block, the horizontal part of wedge, the horizontal limb of main body and upper outer layer section of jurisdiction or lower outer layer section of jurisdiction；The correspondence position of wedge, upper outer layer section of jurisdiction or lower outer layer section of jurisdiction be provided with second install bolt with the use of installing hole.Described cushion block is elastic cushion block.
According to the shackle member of the present invention, when it connects, first installs the double nut having on bolt is easily installed regulation；And first install the elastic cushion block arranged between the nut of bolt screw rod and neighbouring nut and can provide pretightning force in use.The setting of wedge, can be that flange to be connected provides lateral compression power.Additionally, main body arranges horizontal limb, beneficially load transmission, making structural integrity to be connected strengthen, stress is the most reasonable.
The power transmission tower with buckling-resistant support structure according to the present invention, it applies the first curvature-prevention support component, the second curvature-prevention support component this kind of passive energy dissipation component in the weak link of Transmission Tower, greatly reduce Transmission Tower and the probability of local buckling occurs under reciprocal horizontal wind or earthquake load, improve the safety of structure.First curvature-prevention support component is applied between the tower leg and column foot of power transmission tower, inside its first inner core component, there is packing material and deformed bar, although the use of packing material and deformed bar increases its gravity laod, but it is arranged on bottom power transmission tower, can't additionally increase the stress of other structures, and the stress performance of the first inner core component is greatly improved.Second curvature-prevention support component is arranged on the tower body of power transmission tower, tower head and cross-arm, the three-layer pipe body that its second inner core component uses is additionally arranged the corrugated plating of Guan Bi between any two, form space-load system collaborative work, while alleviating the overall weight of component, decrease cripling occur.Second curvature-prevention support component of the most this lightweight is particluarly suitable for the above-mentioned position of power transmission tower and uses, without increasing too many gravity laod.The external constraint element structure of first, second curvature-prevention support component is reasonable, can retrain inner core component well and deform；And the assembled design of external constraint component, make demolition and maintenance more convenient in actual applications.
Accompanying drawing explanation
Fig. 1 is the structural representation of the power transmission tower with buckling-resistant support structure according to the present invention；
Fig. 2 is the first curvature-prevention support component according to the present invention or the schematic diagram of the second curvature-prevention support component；
Fig. 3 is the schematic cross-section of the first curvature-prevention support component according to the present invention；
Fig. 4 is the schematic cross-section of the second curvature-prevention support component according to the present invention；
Fig. 5 is the schematic cross-section of the external constraint component of the first curvature-prevention support component according to the present invention or the second curvature-prevention support component；
Fig. 6 is the schematic cross-section of the first inner core component of the first curvature-prevention support component according to the present invention；
Fig. 7 is the schematic cross-section of the second inner core component of the second curvature-prevention support component according to the present invention；
Fig. 8 is A portion enlarged drawing in Fig. 2, show shackle member schematic diagram.
In figure:
1 tower body；2 tower legs；3 tower heads；4 cross-arms；5 first curvature-prevention support components；6 second curvature-prevention support components；7 external constraint components；8 the air gaps or non-cohesive material layer；9 first inner core components；10 second inner core components；11 outer components；12 internal layer components；13 second flanges；14 first flanges；15 first fins；16 first grooves；17 second fins；18 first core tube；Underfill material in 19；20 deformed bars；21 second core tube；22 inner core pipes；23 outer core tube；24 corrugated platings；25 grooved parts；The perpendicular limb of 26 grooved parts；27 horizontal limbs；28 first install bolt；29 second install bolt；30 nuts；31 cushion blocks；32 wedges.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is specifically described, as it is shown in figure 1, a kind of power transmission tower with buckling-resistant support structure, including tower body 1, tower leg 2, tower head 3 and cross-arm 4.First curvature-prevention support component 5 is set between tower leg 2 and column foot；Second curvature-prevention support component 6 is set on cross-arm 4；Second curvature-prevention support component 6 is set on tower head 3；The second curvature-prevention support component 6 it is provided with on tower body 1.
It is illustrated in figure 2 the first curvature-prevention support component 5 or schematic diagram of the second curvature-prevention support component 6.First curvature-prevention support component 5 and the second curvature-prevention support component 6 are assembled curvature-prevention support component.
Schematic cross-section and the schematic cross-section of the second curvature-prevention support component 6 of the first curvature-prevention support component 5 it is respectively shown in Fig. 3, Fig. 4.
As it is shown on figure 3, the first curvature-prevention support component 5 includes external constraint component 7, the first inner core component 9 and the air gap arranged therebetween or non-cohesive material layer 8.
As shown in Figure 4, the second curvature-prevention support component 6 includes external constraint component 7, the second inner core component 10 and the air gap arranged therebetween or non-cohesive material layer 8.
First anti-buckling restrained bracing member 5 is identical with external constraint component 7 structure of the second anti-buckling restrained bracing member 6.
Fig. 5 show the sectional view of external constraint component 7.External constraint component 7 is assembled, including outer component 11 and internal layer component 12.Outer component 11 is being made up of some outer component unit on longitudinally, each outer component unit is tubulose, it is provided with in the one or both ends of the outer component unit of tubulose and figure 2 illustrates for the first flange 14(being connected to each other), the first flange 14 that outer component unit is arranged by its end is attached with adjacent outer component unit.Each outer component unit is made up of with lower outer layer section of jurisdiction upper outer layer section of jurisdiction；Upper outer layer section of jurisdiction and the left and right end portions of lower outer layer section of jurisdiction, it is disposed radially the second flange 13 outwardly respectively, second flange 13 of upper outer layer section of jurisdiction Yu lower outer layer section of jurisdiction corresponding end, along longitudinally elongated setting, is attached i.e. being formed the outer component unit of tubulose by the second flange 13.The outer surface of outer component is vertically arranged with some first fins 15；The inner surface of outer component 11 is vertically arranged with some first grooves 16.
As it is shown in figure 5, internal layer component 12 includes left inside layer section of jurisdiction and right internal layer section of jurisdiction；Left inside layer section of jurisdiction forms the internal layer component 12 of tubulose with the split of right internal layer section of jurisdiction；Left inside layer section of jurisdiction and right internal layer section of jurisdiction arrange the tenon cooperated and the second groove in mosaic.The outer surface of internal layer component 12 is vertically arranged with some second fins 17, and the inner surface of internal layer component 12 is smooth surface.Second fin 17 and the first groove 16 form fit, in order between internal layer component 12 with outer component 11, engagement is connected.
Internal layer component 12 is to arrange along longitudinal divisions or along longitudinally elongated setting.
External constraint component 7 according to the present invention is divided into outer component 11 and internal layer component 12 two-layer to arrange, and the two engages each other, and enhances the collaborative work ability of the two.Simultaneously as fin and the setting of connection flange on external constraint component 7, the integral rigidity of external constraint component 7 is strengthened.Additionally, outer component 11 is formed by connecting for multiple outer component unit, and each outer component unit is by upper outer layer section of jurisdiction and lower outer layer section of jurisdiction splicing composition, the therefore readily accessible maintenance of outer component 11.When outer component 11 occurs gross distortion under horizontal reciprocating wind load or geological process or destroys, can only the Local Members of broken parts be changed in time, it is not necessary to carry out integral replacing, cost-effective.In engineering maintenance is overhauled, it is possible to take outer component 11 apart, detect the duty of internal layer component 12, when finding that internal layer component 12 can only change, when being damaged, the internal layer component 12 being damaged.Particularly, when internal layer component 12 is also to arrange along longitudinal divisions, can only change local internal layer component 12, change more convenient, maintenance cost is lower.
As shown in Figure 6, the first inner core component 9 in the first curvature-prevention support component 5 includes the first core tube 18, interior underfill material 19 and deformed bar 20.The inside of the first core tube 18 is circumferentially provided with some deformed bars 20 near edge.First core tube 18 is internal fills interior underfill material 19, and deformed bar 20 is wrapped up by interior underfill material 19.Interior underfill material 19 is fiber concrete.
The first inner core component 9 in first curvature-prevention support component 5, also adds in addition to arranging packing material 19 in the first core tube 18 and employs deformed bar 20, greatly improve the stress performance of inner core component, improve the bearing capacity under component tension and compression effect.
As it is shown in fig. 7, the second inner core component 10 in the second curvature-prevention support component 6 includes the second core tube 21, outer core tube 23, inner core pipe 22 and corrugated plating 24.Second core tube 21 is outside arranges outer core tube 23；Second core tube 21 is internal arranges inner core pipe 22；Second core tube 21 keeps spacing with inner core pipe 22 and outer core tube 23 respectively.The corrugated plating 24 being closed into tubulose it is respectively provided with between second core tube 21 and inner core pipe 22 and between the second core tube 21 and outer core tube 23.Being arranged on corrugated plating 24 between the second core tube 21 and inner core pipe 22, the outer surface of its crest or trough and the inner surface of the second core tube 21 and inner core pipe 22 contacts and connects；Being arranged on corrugated plating 24 between the second core tube 21 and outer core tube 23, the inner surface of its crest or trough and the outer surface of the second core tube 21 and outer core tube 23 contacts and connects.The thickness of outer core tube 23 and inner core pipe 22 is respectively less than the thickness of the second core tube 21.
The second inner core component 10 in the second curvature-prevention support component 6 according to the present invention, it uses outer core tube 23, inner core pipe 22 to limit the second core tube 21 and bending deformation outwardly or inwardly occurs.Although outer core tube 23, the thickness of inner core pipe 22 are respectively less than the thickness of the second core tube 21, but owing to being additionally arranged the corrugated plating 24 of two-layer Guan Bi between three, corrugated plating 24 and three define space-load system, collaborative work, it is similar to shear-resistant membrane, it prevents the second core tube 21 from occurring the ability of flexing to be greatly promoted and alleviate the overall weight of component, it is thus advantageous in the application at positions such as the tower body of power transmission tower, cross-arm, tower tops of this curvature-prevention support component, and the most additionally increases too much gravity laod.
As shown in Figure 8, for A node enlarged diagram in Fig. 2.During forming outer component unit and connecting some outer component unit formation outer component 11, all it is attached by shackle member between the first flange 14 and between the second flange 13.Fig. 8 show the concrete structure of shackle member.Shackle member includes main body, cushion block 31, wedge 32, and first installs bolt 28, and second installs bolt 29.Main body includes grooved part 25 and the horizontal limb 27 from perpendicular limb 26 horizontal extension laterally of grooved part；The groove of grooved part 25 is used for housing the first flange 14 or the second flange 13 to be connected；The outer surface laminating of horizontal limb 27 and outer component unit.First installs bolt 28 includes that one end arranges the screw rod of nut and two nuts 30, and two nuts 30 are close to perpendicular limb 26 outer surface of grooved part respectively, coordinate screw rod to make grooved part 25 clamp two flanges to be connected.It is provided with cushion block 31 between nut and the neighbouring nut 30 of 28 on first installation bolt.Be provided with on the perpendicular limb 26 of grooved part and on the first flange 14 to be connected or the second flange 13 with first install bolt 28 with the use of installing hole.Wedge 32 includes wedge-shaped part and the horizontal part with wedge-shaped part integral production.The low perpendicular limb 26 leaning against grooved part of wedge-shaped part and the junction of horizontal limb 27.Second installs bolt 29 includes that one end arranges the screw rod of nut, and the second screw rod installing bolt 29 sequentially passes through cushion block 31, the horizontal part of wedge 32, the horizontal limb 27 of main body and upper outer layer section of jurisdiction or lower outer layer section of jurisdiction；The correspondence position of wedge 32, upper outer layer section of jurisdiction or lower outer layer section of jurisdiction be provided with second install bolt 29 with the use of installing hole.Cushion block 31 is elastic cushion block.
According to the shackle member of the present invention, when it connects, first installs the double nut having on bolt 28 is easily installed regulation；And first install the elastic cushion block 31 arranged between the nut of bolt 28 screw rod and neighbouring nut 30 and can provide pretightning force in use.The setting of wedge 32, can be that flange to be connected provides lateral compression power.Additionally, main body arranges horizontal limb 27, beneficially load transmission, making structural integrity to be connected strengthen, stress is the most reasonable.
The power transmission tower with buckling-resistant support structure according to the present invention, it applies first curvature-prevention support component the 5, the second curvature-prevention support component 6 this kind of passive energy dissipation component weak link at Transmission Tower, greatly reduce Transmission Tower and the probability of local buckling occurs under reciprocal horizontal wind or earthquake load, improve the safety of structure.First curvature-prevention support component 5 is applied between tower leg 2 and the column foot of power transmission tower, its first inner core component 9 is internal has packing material 19 and deformed bar 20, although the use of packing material 19 and deformed bar 20 increases its gravity laod, but it is arranged on bottom power transmission tower, can't additionally increase the stress of other structures, and the stress performance of the first inner core component 9 is greatly improved.Second curvature-prevention support component 6 is arranged on the tower body 1 of power transmission tower, tower head 3 and cross-arm 4, the three-layer pipe body that its second inner core component 10 uses is additionally arranged the corrugated plating 24 of Guan Bi between any two, form space-load system collaborative work, while alleviating the overall weight of component, decrease cripling occur.Second curvature-prevention support component 6 of the most this lightweight is particluarly suitable for the above-mentioned position of power transmission tower and uses, without increasing too many gravity laod.The external constraint component 7 of first, second curvature-prevention support component is rational in infrastructure, can retrain inner core component well and deform；And the assembled design of external constraint component 7, make demolition and maintenance more convenient in actual applications.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, within being all contained in protection scope of the present invention.
Claims (10)
1. there is a power transmission tower for buckling-resistant support structure, including tower body (1), tower leg (2), tower head (3) and cross-arm (4), it is characterised in that:
First curvature-prevention support component (5) is set between described tower leg (2) and column foot；Second curvature-prevention support component (6) is set on described cross-arm (4)；Second curvature-prevention support component (6) is set on described tower head (3)；Second curvature-prevention support component (6) is set on described tower body (1)；Described first curvature-prevention support component (5) and described second curvature-prevention support component (6) are assembled curvature-prevention support component.
The power transmission tower with buckling-resistant support structure the most according to claim 1, it is characterised in that:
Described first curvature-prevention support component (5) includes external constraint component (7), the first inner core component (9) and the air gap arranged therebetween or non-cohesive material layer (8)；
Described second curvature-prevention support component (6) includes external constraint component (7), the second inner core component (10) and the air gap arranged therebetween or non-cohesive material layer (8)；
Described first anti-buckling restrained bracing member (5) is identical with external constraint component (7) structure of described second anti-buckling restrained bracing member (6)；Described external constraint component (7) is assembled.
The power transmission tower with buckling-resistant support structure the most according to claim 2, it is characterised in that:
Described external constraint component (7), including outer component (11) and internal layer component (12)；
Described outer component (11) is being made up of some outer component unit on longitudinally, each outer component unit is tubulose, be provided with the first flange (14) for being connected to each other in the one or both ends of the outer component unit of tubulose, described first flange (14) that described outer component unit is arranged by its end is attached with adjacent outer component unit；
Each outer component unit is made up of with lower outer layer section of jurisdiction upper outer layer section of jurisdiction；Described upper outer layer section of jurisdiction and the left and right end portions of described lower outer layer section of jurisdiction, it is disposed radially the second flange (13) outwardly respectively, described second flange (13) of upper outer layer section of jurisdiction Yu lower outer layer section of jurisdiction corresponding end, along longitudinally elongated setting, is attached i.e. being formed the outer component unit of tubulose by described second flange (13)；The outer surface of described outer component (11) is vertically arranged with some first fins (15)；The inner surface of described outer component (11) is vertically arranged with some first grooves (16)；
Described internal layer component (12) includes left inside layer section of jurisdiction and right internal layer section of jurisdiction；Described left inside layer section of jurisdiction forms the internal layer component (12) of tubulose with the split of described right internal layer section of jurisdiction；Described left inside layer section of jurisdiction and described right internal layer section of jurisdiction arrange the tenon cooperated and the second groove in mosaic；The outer surface of described internal layer component (12) is vertically arranged with some second fins (17), and the inner surface of described internal layer component (12) is smooth surface；Described second fin (17) and described first groove (16) form fit, in order to engage between described internal layer component (12) with described outer component (11) and be connected.
The power transmission tower with buckling-resistant support structure the most according to claim 3, it is characterised in that:
Described internal layer component (12) is to arrange along longitudinal divisions or along longitudinally elongated setting.
5. according to the power transmission tower with buckling-resistant support structure described in any claim in claim 2-4, it is characterised in that:
The first inner core component (9) in described first curvature-prevention support component (5) includes the first core tube (18), interior underfill material (19) and deformed bar (20)；The inside of described first core tube (18) is circumferentially provided with some deformed bars (20) near edge；Described first core tube (18) is internal fills described interior underfill material (19), and described deformed bar (20) is wrapped up by described interior underfill material (19)；
The second inner core component (10) in described second curvature-prevention support component (6) includes the second core tube (21), outer core tube (23), inner core pipe (22) and corrugated plating (24)；Described second core tube (21) is outside arranges outer core tube (23)；Described second core tube (21) is internal arranges described inner core pipe (22)；Described second core tube (21) keeps spacing with described inner core pipe (22) and described outer core tube (23) respectively；The corrugated plating (24) being closed into tubulose it is respectively provided with between described second core tube (21) and described inner core pipe (22) and between described second core tube (21) and described outer core tube (23)；It is arranged on corrugated plating (24) between described second core tube (21) and described inner core pipe (22), its crest or trough contact with the inner surface of described second core tube (21) and the outer surface of described inner core pipe (22) and connect；It is arranged on corrugated plating (24) between described second core tube (21) and described outer core tube (23), its crest or trough contact with the outer surface of described second core tube (21) and the inner surface of described outer core tube (23) and connect；The thickness of described outer core tube (23) and described inner core pipe (22) is respectively less than the thickness of described second core tube (21).
6. according to the power transmission tower with buckling-resistant support structure described in claim 3 or 4, it is characterised in that:
All it is attached by shackle member between described first flange (14) and between described second flange (13)；Described shackle member includes main body, cushion block (31), wedge (32), the first installation bolt (28), the second installation bolt (29)；Described main body includes grooved part (25) and the horizontal limb (27) from perpendicular limb (26) horizontal extension laterally of grooved part；The groove of described grooved part (25) is used for housing described first flange (14) to be connected or described second flange (13)；The outer surface laminating of described horizontal limb (27) and outer component unit；Described first installs bolt (28) includes that one end arranges the screw rod of nut and two nuts (30), two described nuts (30) are close to perpendicular limb (26) outer surface of described grooved part respectively, coordinate screw rod to make described grooved part (25) two the first flanges (14) to be connected of clamping or the second flange (13)；On described first installation bolt, between nut and the neighbouring nut (30) of (28), cushion block (31) is set；The perpendicular limb (26) of grooved part is upper and be provided with on the first flange (14) to be connected or the second flange (13) with described first install bolt (28) with the use of installing hole；Described wedge (32) includes wedge-shaped part and the horizontal part with wedge-shaped part integral production；The low perpendicular limb (26) leaning against described grooved part of described wedge-shaped part and the junction of described horizontal limb (27)；Described second installs bolt (29) includes that one end arranges the screw rod of nut, and the described second screw rod installing bolt (29) sequentially passes through cushion block (31), the horizontal part of wedge (32), the horizontal limb (27) of main body and upper outer layer section of jurisdiction or lower outer layer section of jurisdiction；The correspondence position of described wedge (32), upper outer layer section of jurisdiction or lower outer layer section of jurisdiction be provided with described second install bolt (29) with the use of installing hole.
The power transmission tower with buckling-resistant support structure the most according to claim 5, it is characterised in that:
All it is attached by shackle member between described first flange (14) and between described second flange (13)；Described shackle member includes main body, cushion block (31), wedge (32), the first installation bolt (28), the second installation bolt (29)；Described main body includes grooved part (25) and the horizontal limb (27) from perpendicular limb (26) horizontal extension laterally of grooved part；The groove of described grooved part (25) is used for housing described first flange (14) to be connected or described second flange (13)；The outer surface laminating of described horizontal limb (27) and outer component unit；Described first installs bolt (28) includes that one end arranges the screw rod of nut and two nuts (30), two described nuts (30) are close to perpendicular limb (26) outer surface of described grooved part respectively, coordinate screw rod to make described grooved part (25) two the first flanges (14) to be connected of clamping or the second flange (13)；On described first installation bolt, between nut and the neighbouring nut (30) of (28), cushion block (31) is set；The perpendicular limb (26) of grooved part is upper and be provided with on the first flange (14) to be connected or the second flange (13) with described first install bolt (28) with the use of installing hole；Described wedge (32) includes wedge-shaped part and the horizontal part with wedge-shaped part integral production；The low perpendicular limb (26) leaning against described grooved part of described wedge-shaped part and the junction of described horizontal limb (27)；Described second installs bolt (29) includes that one end arranges the screw rod of nut, and the described second screw rod installing bolt (29) sequentially passes through cushion block (31), the horizontal part of wedge (32), the horizontal limb (27) of main body and upper outer layer section of jurisdiction or lower outer layer section of jurisdiction；The correspondence position of described wedge (32), upper outer layer section of jurisdiction or lower outer layer section of jurisdiction be provided with described second install bolt (29) with the use of installing hole.
8. according to the power transmission tower with buckling-resistant support structure described in claim 5 or 7, it is characterised in that:
Described interior underfill material (19) is fiber concrete.
The power transmission tower with buckling-resistant support structure the most according to claim 6, it is characterised in that:
Described cushion block (31) is elastic cushion block.
The power transmission tower with buckling-resistant support structure the most according to claim 7, it is characterised in that:
Described cushion block (31) is elastic cushion block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610360338.7A CN105952234B (en) | 2016-05-28 | 2016-05-28 | Power transmission tower with buckling-resistant support structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610360338.7A CN105952234B (en) | 2016-05-28 | 2016-05-28 | Power transmission tower with buckling-resistant support structure |
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| CN105952234A true CN105952234A (en) | 2016-09-21 |
| CN105952234B CN105952234B (en) | 2018-03-13 |
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| CN201610360338.7A Active CN105952234B (en) | 2016-05-28 | 2016-05-28 | Power transmission tower with buckling-resistant support structure |
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Cited By (1)
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| CN112112474B (en) * | 2020-09-21 | 2022-03-29 | 广东电网有限责任公司电力科学研究院 | Power transmission tower cross arm structure capable of reducing vibration and energy consumption |
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| Publication number | Publication date |
|---|---|
| CN105952234B (en) | 2018-03-13 |
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