CN207988633U - For the anti-buckling alternative in the repairing of steel truss tower, replacement and maintenance work - Google Patents
For the anti-buckling alternative in the repairing of steel truss tower, replacement and maintenance work Download PDFInfo
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- CN207988633U CN207988633U CN201721838322.9U CN201721838322U CN207988633U CN 207988633 U CN207988633 U CN 207988633U CN 201721838322 U CN201721838322 U CN 201721838322U CN 207988633 U CN207988633 U CN 207988633U
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- buckling
- jointing
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Abstract
A kind of anti-buckling alternative in the repairing of steel truss tower, replacement and maintenance work, including anti-buckling excessive rod piece, jointing and connecting elements, the anti-buckling excessive rod piece includes core component, connecting sleeve, sleeve, anti-buckling interlayer and layer of carbon fiber material；The jointing includes stiffener, replaces component bolt hole, connection stiffener and jointing end on gusset plate, with on each gusset plate of power transmission tower, the both ends of the anti-buckling excessive rod piece are connect with the jointing on gusset plate by connecting elements respectively for the jointing setting.The utility model can provide safe and reliable steel truss tower Local Members alternative, to ensure the construction safety in the repairing of steel truss tower, replacement and maintenance work, greatly increase the service life of steel truss tower, can greatly save every cost.
Description
Technical field
The utility model is related to transmission facility technical field and field of steel structure, especially a kind of to be robbed for steel truss tower
Repair, replace and maintenance work in anti-buckling alternative.
Background technology
In recent years, to adapt to the rapid growth of China's economy, China's power grid scale is increasing, and voltage class is increasingly
Height, electric network composition become increasingly complex.Meanwhile requirement of the national socio-economic development to power grid is higher and higher, economically developed
Area, especially in areas such as such as Delta of the Pearl River, circuit in industrial area, resident compact district or need to be clipped in two built circuits
Between cabling, erect power transmission lines corridor epitonos, and the contradiction of power transmission line corridor and land resource is very prominent.How to ensure
The safe and stable operation of power grid, it is ensured that power grid is securely and reliably powered to the whole society, is the weight concerning national economy and national security
Big problem.
Power transmission tower is a kind of lattice tall and slender structure, is the important component of transmission line of electricity, has height, soft and damping small
The features such as, currently, most of power transmission tower is made of angle steel (or round steel) substantially, and outer lotus is resisted by the strength and stiffness of itself
It carries.On the one hand, power transmission distance is all very long at present, and some all takes high-voltage transmission, in order to avoid safety existing for high pressure is hidden
Suffer from, also for urban construction, the height of the power transmission tower of general high voltage is all 30 meters or more.Under outer load action, power transmission tower
The component of part is susceptible to the deformation of some parts, for a long time with for component is susceptible to large deformation and leads to intensity and unstability
It destroys；On the other hand, electric power pylon mainly uses zinc-plated steel construction, is chronically exposed in the environment exposed to the weather, especially plates
Zinc steel construction power transmission tower is susceptible to corrosion in coastal area and industrial pollution, power transmission tower itself in the presence of very lossy, component
Phenomenon, service life will greatly shorten.So staff's needs are periodically repaired power transmission tower and maintenance work, but work as
When certain components deform in structure, repairing and maintenance work at present is only limitted to reinforcement and spray to the part of original structure substantially
Apply anticorrosion material etc..Such as when there is certain deformation in a certain king-post vertically carried in power transmission tower, if let go unchecked,
If the generation that will then cause the overall collapse of power transmission tower to collapse can be such that the rigidity of structure distributes using general reinforcement
Occur unbalanced, the security needs of structure are recalculated and assessed, and otherwise, power transmission tower should carry out dismounting reconstruction.With respect to certain
Some components are unsatisfactory for bearing capacity and wave deformation requirements and to reconstruct, and replace these undesirable components then relatively more
Add economy.However, the conventional a large amount of equipment of replacement need of work, and there are larger security risks.
Invention content
For the above problem in the presence of the repairing of existing steel truss tower and maintenance work, the utility model provides one kind
For the anti-buckling alternative in the repairing of steel truss tower, replacement and maintenance work, safe and reliable steel truss tower can be provided
Local Members alternative greatly increases steel truss to ensure the construction safety in the repairing of steel truss tower, replacement and maintenance work
The service life of frame tower can greatly save every cost.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of anti-buckling alternative in the repairing of steel truss tower, replacement and maintenance work, the anti-buckling replacement
Device includes anti-buckling excessive rod piece, jointing and connecting elements, and the anti-buckling excessive rod piece includes core component, connection
Casing, sleeve, anti-buckling interlayer and layer of carbon fiber material, two core components are connected by connecting sleeve, every core component
The outer suit sleeve, is anti-buckling interlayer between the core component and sleeve lining, carbon fiber is arranged outside the connecting sleeve
Tie up material layer；
The jointing includes stiffener, replaces component bolt hole, connection stiffener and jointing end on gusset plate
Portion, the stiffener and connection stiffener are each attached on gusset plate, are connected by the connection stiffener between two stiffeners
It connects, is arranged on gusset plate on the gusset plate and replaces component bolt hole, on the jointing end setting jointing end
Bolt hole；
Jointing setting on each gusset plate of power transmission tower, the both ends of the anti-buckling excessive rod piece respectively with
Jointing on gusset plate is connected by connecting elements.
Further, component bolt hole is replaced on the gusset plate that setting is adapted with power transmission tower main component on gusset plate；
Connection stiffener is crossed welding manner and is connected on gusset plate；To ensure the inside and outside stability of the plane of connection stiffener, pass through weldering
It connects mode stiffener is connected on gusset plate and connection stiffener；Jointing portion is welded on connection stiffener again；Even
It connects fitting end bolt hole and forms the jointing in jointing portion by Force Calculation setting.
Further, the first core component upper bolt hole, the second core are respectively set on core component and connecting sleeve
Bolt hole on component upper bolt hole, connecting sleeve；Two are connected between core component and connecting pipe box by connecting elements
It connects；Sleeve is set on the outside of core component, and on cross section, core component is located at the positive middle part of sleeve scope.
The technical concept of the utility model is：For the anti-buckling replacement in the repairing of steel truss tower, replacement and maintenance work
Device, " replacement " and " anti-buckling alternative " meaning are that power transmission tower can be replaced by the equipment safety of the utility model
In defective component, to ensure the safety of structure；It is same type of in some project or in standardization drawing
Power transmission tower has multiple, for each type of transmission of electricity Deethanizer design and produces several anti-buckling excessive rod pieces (these are anti-to bend
Bent excessively rod piece can also carry out combined type and be assembled into new anti-buckling excessive rod piece), anti-buckling excessive rod piece passes through power transmission tower
Excessive connector on gusset plate is attached, and is being removed the component for needing to replace, is being installed new component, then remove anti-buckling mistake
Rod piece is spent, to reach the requirement of replacement.To ensure the construction safety in the repairing of steel truss tower, replacement and maintenance work, greatly
The big service life for increasing steel truss tower, can greatly save every cost.
Compared with the prior art, the utility model has following advantageous effects：
(1) the utility model replaces the support structure of work using anti-buckling excessive rod piece as defective rod piece in power transmission tower
Part, anti-buckling excessive rod length can be arranged longer, and the intensity of core material, relatively pure steel member can be made full use of to contract significantly
The small section of component, excessive connector can also be arranged relatively small, to not influence the beauty of power transmission tower alien invasion；It is anti-to bend
Bent excessively rod piece can reuse, and can be combined use, preferable using in the power transmission tower of same type used, having
Cost performance.
(2) the utility model replaces original defective component using new structural member, it is ensured that component is micro- in power transmission tower
After small defect (local buckling, local corrosion etc.), it will be replaced before large deformation, big weakening, it is ensured that power transmission tower is in external load
Certain supporting member unstabilitys or fracture are had a surplus under effect there is a situation where unstability is collapsed, and greatly increase the use of steel truss tower
Service life can greatly save every cost.
(3) the utility model can ensure the safety for replacing work, will apply significantly using the process changed afterwards is first supported
The life safety hazard of worker person and the danger of structural collapse are preferably minimized.
(4) a large amount of equipment, simple for process, easy for construction, short time limit, human input are not necessarily in the construction of the utility model
Less, construction efficiency is high, of low cost, as can be largely used in present steel tower construction and steel tower maintenance, repairing neutralization replacement,
Huge economic benefit will be brought.
Description of the drawings
Fig. 1 is that the utility model power transmission tower needs the typical parts schematic diagram replaced.
The anti-buckling excessive rod piece explosive view of Fig. 2 the utility model.
Fig. 3 the utility model transit joint connection diagrams.
The anti-buckling excessive rod piece of Fig. 4 the utility model installs composite diagram.
The replacement schematic diagram of the lateral stressed component of Fig. 5 the utility model.
The replacement schematic diagram of Fig. 6 the utility model vertical applied force components.
Primary structure member replacement step schematic diagram in Fig. 7 the utility model power transmission towers.
In Fig. 1~Fig. 7,1 is anti-buckling excessive rod piece；11 be core component；12 be connecting sleeve；13 be sleeve；14 are
Anti-buckling interlayer；15 be the first core component upper bolt hole；16 be the second core component upper bolt hole；17 is in connecting sleeves
Bolt hole；18 be layer of carbon fiber material；19 be connecting elements；2 be jointing；21 be stiffener；22 be to be replaced on gusset plate
Component bolt hole；23 be connection stiffener；24 be jointing end；241 be jointing end bolt hole；25 be node
Plate；3 be connecting elements；4 be power transmission tower；41 be vertical applied force component；42 be lateral stressed component；43 be connecting elements；44 are
Position of joints.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings.
Embodiment 1
Referring to Fig.1~Fig. 7, a kind of anti-buckling alternative in the repairing of steel truss tower, replacement and maintenance work, institute
It includes anti-buckling excessive rod piece, jointing and connecting elements to state anti-buckling alternative, and the anti-buckling excessive rod piece includes
Core component, connecting sleeve, sleeve, anti-buckling interlayer and layer of carbon fiber material, two core components are connected by connecting sleeve,
It is set with the sleeve outside every core component, is anti-buckling interlayer, the connector sleeve between the core component and sleeve lining
Pipe is outer to be arranged layer of carbon fiber material；
The jointing includes stiffener, replaces component bolt hole, connection stiffener and jointing end on gusset plate
Portion, the stiffener and connection stiffener are each attached on gusset plate, are connected by the connection stiffener between two stiffeners
It connects, is arranged on gusset plate on the gusset plate and replaces component bolt hole, on the jointing end setting jointing end
Bolt hole；
Jointing setting on each gusset plate of power transmission tower, the both ends of the anti-buckling excessive rod piece respectively with
Jointing on gusset plate is connected by connecting elements.
Further, component bolt hole is replaced on the gusset plate that setting is adapted with power transmission tower main component on gusset plate；
Connection stiffener is crossed welding manner and is connected on gusset plate；To ensure the inside and outside stability of the plane of connection stiffener, pass through weldering
It connects mode stiffener is connected on gusset plate and connection stiffener；Jointing portion is welded on connection stiffener again；Even
It connects fitting end bolt hole and forms the jointing in jointing portion by Force Calculation setting.
Further, the first core component upper bolt hole, the second core are respectively set on core component and connecting sleeve
Bolt hole on component upper bolt hole, connecting sleeve；Two are connected between core component and connecting pipe box by connecting elements
It connects；Sleeve is set on the outside of core component, and on cross section, core component is located at the positive middle part of sleeve scope.
When transmitting electricity Deethanizer design, the gusset plate of power transmission tower interior joint position is designed to the form of jointing 2 entirely, is connected
Including replacing component bolt hole 22, connection stiffener 23 on stiffener 21, gusset plate, jointing portion 24 and connection connect connector 2
Cephalic par bolt hole 241.Component bolt is replaced on the gusset plate that setting is adapted with power transmission tower main component on gusset plate 25
Hole 22；Connection stiffener 23 is crossed welding manner and is connected on gusset plate 25；To ensure inside and outside steady of plane of connection stiffener 23
It is qualitative, stiffener 21 is connected on gusset plate 25 and connection stiffener 23 by welding manner；Jointing portion 24 is welded again
It is connected on connection stiffener 23；Jointing end bolt hole 241 is arranged by Force Calculation in jointing portion 24, the company of being formed
Connector 2.
In power transmission tower operation, certain root component needs are replaced, and first according to the stressing conditions of the root component, design is anti-
Superflexion rod piece 1, superflexion rod piece 1 include core component 11, connecting sleeve 12, sleeve 13, anti-buckling interlayer 14, first
Core component upper bolt hole 15, the second core component upper bolt hole 16, the bolt hole 17 in connecting sleeve, carbon fibre material 18,
Connecting elements 19.Wherein, the first core component upper bolt hole 15, second is respectively set on core component 11 and connecting sleeve 12
Bolt hole 17 on core component upper bolt hole 16, connecting sleeve；Connecting pipe box 12 are set between core component 11, pass through connection
Component 19 is attached；On 11 outside setting sleeve 13 of core component, cross section, it includes model that core component 11, which is located at sleeve 13,
Anti-buckling interlayer 14 is arranged between core component 11 and sleeve 13, then will be segmented by carbon fibre material 18 for the positive middle part enclosed
Component be attached, form anti-buckling excessive rod piece 1.
In power transmission tower component replacement process, first anti-buckling excessive rod piece 1 is needed by connecting elements 3 with power transmission tower
The jointing portion 24 for replacing the jointing 2 at component both ends connects；The component replaced will be needed to remove again, then removes needs
The component of replacement replaces new component, finally removes superflexion rod piece 1, and displacement is completed.
As shown in Figures 2 to 5, a kind of anti-buckling alternative in the repairing of steel truss tower, replacement and maintenance work,
Including anti-buckling excessive rod piece 1, jointing 2 and connecting elements 3, anti-buckling excessive rod piece 1 includes core component 11, connector sleeve
Pipe 12, sleeve 13, anti-buckling interlayer 14, the first core component upper bolt hole 15, the second core component upper bolt hole 16, connector sleeve
Bolt hole 17, carbon fibre material 18, connecting elements 19 on pipe；Jointing 2 includes stiffener 21, and component is replaced on gusset plate
Bolt hole 22 connects stiffener 23, jointing end 24, jointing end bolt hole 241, gusset plate 25.
Jointing setting on each gusset plate of power transmission tower, the both ends of the anti-buckling excessive rod piece respectively at
Jointing on gusset plate is connected by connecting elements.
Preferential, the core component preferentially uses the steel of trade mark Q420 or more, or it is more than the height of Q420 to use intensity
Molecular material；
Preferential, the core component can be used pipe form, square tube form, the forms such as solid steel, and specification is consistent；
Preferential, the core component length total length specification is 1m, 2m, 5m, 10m, can also be fabricated to other length shapes
Formula；
Preferential, the both ends of the core component need out bolt hole, surface to need to carry out blasting treatment, keep its surface thick
Rugosity reaches Sa2.5 grades, and bolt number of perforations and diameter are by design envelope value setting；
Preferential, the bolt uses high-strength bolt, bolt number and diameter by design envelope value setting；
The peripheral unit includes casing and anti-buckling interlayer, is attached by carbon fibre material between peripheral unit；
Preferential, the steel pipe or metal tube for all kinds of specifications having in the market, steel pipe or metal tube may be used in the sleeve
It can be circle, square, rectangular steel pipe etc., or 90 ° of two plate arm phases formed after being bent are carried out by metallic plate using two pieces
Mutual vertical folded plate be welded；
Preferential, the sleeve total length is shorter 200mm than the total length of core component；
Preferential, described sleeve pipe uses the steel pipe or metal tube for all kinds of specifications having in the market；
High molecular material or concrete material may be used in the anti-buckling interlayer；
Preferentially use polyurethane material, layer of polyurethane by by liquid polyol, isocyanates by being poured into proportion
It is chemically reacted and is formed in steel pipe cavity；
Preferential, it is 1 by volume by liquid polyol, isocyanates, the glass of 20-200 μm of diameter or ceramic microsphere:
Allocated at 1: 1.5；
The excessive connector is arranged at each main node of power transmission tower；
Preferential, bolt hole, bolt number of perforations and diameter are provided on excessive connector by design envelope value setting；
Preferential, preferentially use material same as core material in excessive connector；
The connecting elements can select axis pin peg or high-strength bolt, and the number of axis pin peg or bolt is pressed with diameter
Envelope value is calculated to determine.
As shown in Figure 1, there is power transmission tower 420 of the same race in the cities X, power transmission tower 4 includes mainly vertical applied force component 41, lateral stressed
Component 42, connecting elements 43 and position of joints 44 build initial stage in position of joints 44 using novel gusset plate sample in power transmission tower
Formula --- jointing 2 (as shown in Figure 3), wherein stiffener 21, connection stiffener 23 can ensure that jointing end 24 exists
Do not occur larger displacement when short time stress, make jointing have good stability, jointing end 24 be for
When changing vertical applied force component 41 or lateral stressed component 42, the connector of fixed anti-buckling excessive rod piece 1, it is ensured that in the short time
Anti-buckling excessive rod piece is all given in the interior effect that structure is reached to the 41 or lateral stressed component 42 of part vertical applied force component
1, to carry out the replacement work of 41 or lateral stressed component 42 of part vertical applied force component.Jointing end 24 is pipe,
Pipe diameter is determined (each component maximum internal force in power transmission tower 4) by design-calculated envelope internal force, on jointing end 24
Jointing end bolt hole 241 number and aperture also determined by design-calculated envelope internal force.Jointing 2 need into
Row is compared with 4 more higher leveled fire prevention of power transmission tower and preservative treatment.Wherein, lateral stressed component 42 uses L80x6, Q345 steel；Section
Contact plate 25 is -12X200X600, Q345 steel；23 use -10X200X300, Q345 steel of stiffener, welding and gusset plate 25
On；Stiffener 21 uses corner cut form, Q345 steel according to actual conditions, and is welded on gusset plate 25 and stiffener 23；Even
Connecing fitting end 24 uses length for 100mm, a diameter of 150mm, and wall thickness is the seamless steel pipe of 10mm, Q420 steel；Side connects
241 a diameter of 17mm of fitting end bolt hole is met, up and down each four holes.
After for many years, under the influence of environment, the lateral stressed component 42 in the portions A of power transmission tower 4 goes out a certain power transmission tower 4 in the cities X
Uneven corrosion is showed, has needed to be replaced.Project work personnel have access to the design data of power transmission tower 4, for the A of power transmission tower 4
The anti-excessive rod piece 1 (as shown in Figure 2) in the wrong of the design of lateral stressed component 42 in portion, may be implemented profit by anti-buckling excessive rod piece 1
The replacement compared with 4 defective part of large span power transmission tower is realized with smaller section.Anti-buckling excessive rod piece 1 includes core component
11, connecting sleeve 12, sleeve 13, anti-buckling interlayer 14, the first core component upper bolt hole 15, the second core component upper bolt hole
16, the bolt hole 17 in connecting sleeve, carbon fibre material 18, connecting elements 19.Wherein 42 liang of end segments of the lateral stressed component in the portions A
The length of point is 5000mm, and core component 11 uses length for 2500mm, a diameter of 160mm, and wall thickness is the seamless steel pipe of 9mm,
Q420 steel；The first core component upper bolt hole 15, the second core component upper bolt hole 16 are opened on core component 11, it is a diameter of
17mm；Two core components 11 are attached using connecting sleeve 12 and connector 19, and connecting sleeve 12 is using a diameter of
170mm, wall thickness are the seamless steel pipe of 9mm, and Q420 steel, connector 19 is using axis pin form, a diameter of 16mm；Sleeve 13 uses
Become a length of 200mm, thickness as the square tube of 6mm, anti-buckling interlayer 14 uses polyurethane material, sleeve 13 and anti-buckling interlayer 14 to grow
Degree is 2400mm；Core component 11 is connected integral by connecting elements 19, then sleeve 13 and anti-buckling folder is arranged on the outside
Layer 14 is carrying out package seam by carbon fibre material 18, is forming anti-buckling excessive rod piece 1.
As shown in figure 4, superflexion rod piece 1 is connected to the transverse direction in the portions A by connecting elements 3 (using 10.9 grades of M16)
On the double hit connector 2 at 42 both ends of primary structure member, then lateral stressed component 42 is removed, replaces new lateral stressed component 42, finally
Superflexion rod piece 1 is removed, displacement is completed.
Embodiment 2
As shown in Fig. 2 to Fig. 4 and Fig. 6, it is a kind of for the repairing of steel truss tower, replace and maintenance work in anti-buckling replace
Changing device, including anti-buckling excessive rod piece 1, jointing 2 and connecting elements 3, anti-buckling excessive rod piece 1 include core component
11, connecting sleeve 12, sleeve 13, anti-buckling interlayer 14, the first core component upper bolt hole 15, the second core component upper bolt hole
16, the bolt hole 17 in connecting sleeve, carbon fibre material 18, connecting elements 19；Jointing 2 includes stiffener 21, gusset plate
Upper replacement component bolt hole 22 connects stiffener 23, jointing end 24, jointing end bolt hole 241, gusset plate
25。
As shown in Figure 1, there is a power transmission tower 3000 of the same race in the cities Y, power transmission tower 4 includes mainly vertical applied force component 41, laterally by
Power component 42, connecting elements 43 and position of joints 44 build initial stage in position of joints 44 using novel gusset plate in power transmission tower
Pattern --- jointing 2 (as shown in Figure 3), wherein stiffener 21, connection stiffener 23 can ensure jointing end 24
Do not occur larger displacement in short time stress, make jointing have good stability, jointing end 24 be
When replacing vertical applied force 41 or lateral stressed component 42 of component, the connector of fixed anti-buckling excessive rod piece 1, it is ensured that in short-term
Anti-buckling excessive bar is all given in the interior effect that structure is reached to the 41 or lateral stressed component 42 of part vertical applied force component
Part 1, to carry out the replacement work of 41 or lateral stressed component 42 of part vertical applied force component.Jointing end 24 is circle
Pipe, pipe diameter determine (each component maximum internal force in power transmission tower 4), jointing end 24 by design-calculated envelope internal force
On jointing end bolt hole 241 number and aperture also determined by design-calculated envelope internal force.Jointing 2 needs
It carries out compared with 4 more higher leveled fire prevention of power transmission tower and preservative treatment.Wherein, lateral stressed component 42 uses L120x10, Q345 steel
Material；Gusset plate 25 is -20X300X700, Q345 steel；23 use -16X300X400, Q345 steel of stiffener, welding and node
On plate 25；Stiffener 21 uses corner cut form, Q345 steel according to actual conditions, and is welded in gusset plate 25 and stiffener 23
On；Jointing end 24 uses length for 120mm, a diameter of 200mm, and wall thickness is the seamless steel pipe of 12mm, Q420 steel；One
241 a diameter of 21mm of side jointing end bolt hole, up and down each four holes.
Into after for many years, under the influence of environment, the vertical applied force component 41 in the portions B of power transmission tower 4 goes out a certain power transmission tower 4 in the cities X
Uneven corrosion is showed, has needed to be replaced.Project work personnel have access to the design data of power transmission tower 4, for the B of power transmission tower 4
The anti-excessive rod piece 1 (as shown in Figure 2) in the wrong of the design of vertical applied force component 41 in portion, may be implemented profit by anti-buckling excessive rod piece 1
The replacement compared with 4 defective part of large span power transmission tower is realized with smaller section.Anti-buckling excessive rod piece 1 includes core component
11, connecting sleeve 12, sleeve 13, anti-buckling interlayer 14, the first core component upper bolt hole 15, the second core component upper bolt hole
16, the bolt hole 17 in connecting sleeve, carbon fibre material 18, connecting elements 19.Wherein 42 liang of end segments of the lateral stressed component in the portions A
The length of point is 7220mm, and core component 11 uses length for 3600mm, a diameter of 220mm, and wall thickness is the seamless steel pipe of 12mm,
Q420 steel；The first core component upper bolt hole 15, the second core component upper bolt hole 16 are opened on core component 11, it is a diameter of
21mm；Two core components 11 are attached using connecting sleeve 12 and connector 19, and connecting sleeve 12 is using a diameter of
240mm, wall thickness are the seamless steel pipe of 12mm, and Q420 steel, connector 19 is using axis pin form, a diameter of 20mm；Sleeve 13 is adopted
With a length of 300mm, thickness is become as the square tube of 6mm, anti-buckling interlayer 14 uses polyurethane material, sleeve 13 and anti-buckling interlayer 14
Length is 1700mm；Core component 11 is connected integral by connecting elements 19, then sleeve 13 and anti-buckling is arranged on the outside
Interlayer 14 is carrying out package seam by carbon fibre material 18, is forming anti-buckling excessive rod piece 1.
As shown in figure 4, superflexion rod piece 1 is connected to the vertical of the portions B by connecting elements 3 (using 10.9 grades of M20)
On the double hit connector 2 at 41 both ends of primary structure member, then vertical applied force component 41 is removed, replaces new vertical applied force component 41, finally
Superflexion rod piece 1 is removed, displacement is completed.
As shown in fig. 7, a kind of anti-buckling replacement method in the repairing of steel truss tower, replacement and maintenance work, including
Following steps：
(1) initial stage is built in position of joints using novel gusset plate pattern --- jointing is (such as Fig. 3 institutes in power transmission tower
Show), the number of the bolt hole on jointing end and aperture are also determined by design-calculated envelope internal force.
(2) project work personnel have access to the design data of power transmission tower, need the component replaced design is anti-to bend for power transmission tower
Excessive rod piece (as shown in Figure 2).
(3) engineering is processed making according to the design drawings of anti-buckling excessive rod piece, and transports scene to；
(4) superflexion rod piece is connected on the jointing for needing to replace component both ends by connecting elements, then torn open
Except the component that needs are replaced, new component is replaced, finally removes superflexion rod piece, displacement is completed.
The above-mentioned description to embodiment is that this practicality can be understood and applied for ease of those skilled in the art
It is novel.
Person skilled in the art obviously easily can make various modifications to these embodiments, and saying herein
Bright General Principle is applied in other embodiment without having to go through creative labor.Therefore the utility model is not limited to here
Embodiment, those skilled in the art's announcement according to the present utility model, for the utility model make should into and modification all
It should be within the protection scope of the utility model.
Claims (3)
1. a kind of anti-buckling alternative in the repairing of steel truss tower, replacement and maintenance work, it is characterised in that：It is described anti-
Buckling alternative includes anti-buckling excessive rod piece, jointing and connecting elements, and the anti-buckling excessive rod piece includes core
Component, connecting sleeve, sleeve, anti-buckling interlayer and layer of carbon fiber material, two core components are connected by connecting sleeve, every
The sleeve is set with outside core component, is anti-buckling interlayer between the core component and sleeve lining, outside the connecting sleeve
Layer of carbon fiber material is set；
The jointing includes stiffener, replaces component bolt hole, connection stiffener and jointing end, institute on gusset plate
It states stiffener and connection stiffener is each attached on gusset plate, connected by the connection stiffener between two stiffeners, institute
It states to be arranged on gusset plate on gusset plate and replaces component bolt hole, jointing end bolt is set on the jointing end
Hole；
Jointing setting on each gusset plate of power transmission tower, the both ends of the anti-buckling excessive rod piece respectively with node
Jointing on plate is connected by connecting elements.
2. special as described in claim 1 for the anti-buckling alternative in the repairing of steel truss tower, replacement and maintenance work
Sign is：Component bolt hole is replaced on the gusset plate that setting is adapted with power transmission tower main component on gusset plate；Connection is put more energy into
Plate is crossed welding manner and is connected on gusset plate；It, will by welding manner to ensure the inside and outside stability of the plane of connection stiffener
Stiffener is connected on gusset plate and connection stiffener；Jointing portion is welded on connection stiffener again；Jointing end
Portion's bolt hole forms the jointing by Force Calculation setting in jointing portion.
3. it is repaired as claimed in claim 1 or 2 for steel truss tower, the anti-buckling alternative in replacement and maintenance work,
It is characterized in that：The first core component upper bolt hole is respectively set on core component and connecting sleeve, on the second core component
Bolt hole on bolt hole, connecting sleeve；Two are attached between core component and connecting pipe box by connecting elements；In core
Sleeve is set on the outside of heart component, and on cross section, core component is located at the positive middle part of sleeve scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721838322.9U CN207988633U (en) | 2017-12-25 | 2017-12-25 | For the anti-buckling alternative in the repairing of steel truss tower, replacement and maintenance work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721838322.9U CN207988633U (en) | 2017-12-25 | 2017-12-25 | For the anti-buckling alternative in the repairing of steel truss tower, replacement and maintenance work |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207988633U true CN207988633U (en) | 2018-10-19 |
Family
ID=63817948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721838322.9U Withdrawn - After Issue CN207988633U (en) | 2017-12-25 | 2017-12-25 | For the anti-buckling alternative in the repairing of steel truss tower, replacement and maintenance work |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207988633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035607A (en) * | 2017-12-25 | 2018-05-15 | 杭州市电力设计院有限公司 | For the anti-buckling alternative and method in the repairing of steel truss tower, replacement and maintenance work |
-
2017
- 2017-12-25 CN CN201721838322.9U patent/CN207988633U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035607A (en) * | 2017-12-25 | 2018-05-15 | 杭州市电力设计院有限公司 | For the anti-buckling alternative and method in the repairing of steel truss tower, replacement and maintenance work |
| CN108035607B (en) * | 2017-12-25 | 2023-07-07 | 杭州市电力设计院有限公司 | Buckling-restrained replacement device and method for rush repair, replacement and maintenance of steel truss tower |
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