CN101769087B - Telegraph pole strengthening device and strengthening method thereof - Google Patents

Telegraph pole strengthening device and strengthening method thereof Download PDF

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Publication number
CN101769087B
CN101769087B CN2008101889722A CN200810188972A CN101769087B CN 101769087 B CN101769087 B CN 101769087B CN 2008101889722 A CN2008101889722 A CN 2008101889722A CN 200810188972 A CN200810188972 A CN 200810188972A CN 101769087 B CN101769087 B CN 101769087B
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China
Prior art keywords
support bar
central support
strengthening part
stiffening device
connecting rod
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CN2008101889722A
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CN101769087A (en
Inventor
王勇
张诚修
马永超
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EIDP Inc
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EI Du Pont de Nemours and Co
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Abstract

The invention provides a strengthening device used for strengthening a traditional telegraph pole, comprising a central support pole, one or a plurality of strengthening parts, one or a plurality of connecting poles and one or a plurality of control devices, wherein each strengthening part can express an opening and/or closing state relative to the central support pole; one end of each connecting pole can be rotatably connected to the central support pole, and the other end of each connecting pole can be rotatably connected to each strengthening part; and each control device is used for controlling opening or closing of each strengthening part. The invention also provides a method for strengthening the traditional telegraph pole.

Description

Telegraph pole strengthening device and add strong method
Technical field
The present invention relates to a kind of being used for introduces stiffening device at mounted concrete wire, to realize that this line bar is strengthened the method for reinforcing.
Background technology
Underground, and its upper exposed on the ground by landfill for mounted available coagulation soil electric pole, the bottom of its concrete wire.
In order to strengthen the existing concrete electric pole to solve situation such as it is aging, the external surface that can be employed in concrete wire is around stiffening device, for example aramid fibre epoxy resin composite material or increase routines such as concrete section is long-pending and add strong method.
Usually the scope of strengthening concrete wire is underground bottom, comprises with respect to the boundary member on the ground top to it.
That is to say, conventional when adding strong method and strengthening concrete wire when using, thus the ground that needs to excavate around the concrete wire make the underground bottom-exposed of being positioned at of concrete wire come out.
According to the installation site of concrete wire, must be removed with the building that concrete wire is contiguous.For example, must remove near the courtyard wall of concrete wire.In addition, when the ground of concrete wire peripheral part is inclination, support the necessary demolitions such as stone wall of this sloping floor that concrete wire has been installed.
The demolition work of building needs great amount of time with the reconstruction of the new building that replaces quilt demolition building, causes strengthening the total time of work and the increase of its total cost respectively.
In order to address the above problem, one Chinese patent application CN1438101A discloses strengthening part assembly fixture and a kind of strong method that adds of strengthening concrete wire in a kind of concrete wire.In the method; The existing concrete electric pole has annular sidewall, inner hollow structure; And having the opening portion of a break-through that forms in position of annular sidewall, this method may further comprise the steps: inject in the interior cavity of concrete wire through opening portion and confirm the mortar of good quantity in advance, confirm the sand of good quantity and gravel at least a of definite good quantity in advance in advance; And inject the strengthening part that is used to strengthen concrete wire toward the interior cavity of concrete wire through opening portion.But; Disclosed method has following defective with strengthening part among the CN1438101A: (1) possibly have different internal diameters owing to be reinforced electric pole; So need the strengthening part expanding unit of different size, promptly a kind of expanding unit can not be applicable to the electric pole with different inner diameters; (2) very difficult in inner insertion of electric pole and placement strengthening part, consumed great amount of time; Therefore and the strengthening part in (3) electric pole can not contact with the inner tight of electric pole, can not reach the reinforced effects of the best.
Summary of the invention
To the problems referred to above, the invention provides a kind of new telegraph pole strengthening device and the method for strengthening existing electric pole.
One aspect of the present invention provides a kind of stiffening device that is used to strengthen existing electric pole, and said stiffening device comprises:
Central authorities' support bar;
One or more strengthening parts, said one or more strengthening parts can show with respect to said central support bar and open and/or closure state;
One or more connecting rods, an end of said one or more connecting rods is pivotally connected on the central support bar, and the other end is pivotally connected on the said strengthening part; And
One or more control device are used to control opening or closure of said strengthening part.
In a preferred embodiment of the present invention, said control device is a gravity, and condition is the maximum inside radius of the length of connecting rod greater than electric pole.
In a preferred embodiment of the present invention, said control device comprises spring driven one or more control lever.
In a preferred embodiment of the present invention, said control device comprises pillar and one or more control lever.
In a preferred embodiment of the present invention, the shaft that said strengthening part is processed by polymer, metal material and combination thereof; Preferably, the fiber reinforced plastics pole processed through pultrude process by vinylite and aramid fiber of said strengthening part.
In a preferred embodiment of the present invention, said stiffening device comprises 2-100 strengthening part, better 2-50 strengthening part, better 2-20 strengthening part, preferably 4-10 strengthening part.
In a preferred embodiment of the present invention, said stiffening device comprises central support bar, connecting rod and strengthening part,
One end of wherein said connecting rod is pivotally connected on the central support bar, and the other end is connected on the strengthening part, and the length of said connecting rod is greater than the maximum inside radius of electric pole.
In a preferred embodiment of the present invention, connecting rod, strengthening part, spring, control lever and slip ring that said stiffening device comprises central support bar, is symmetrically distributed with respect to central support bar,
One end of said connecting rod be rotatably connected to said can be along on the central support bar, the other end is connected on the said strengthening part;
One end of said control lever is rotatably connected on the said slip ring that can slide up and down along central support bar, and the other end is rotatably connected on the said connecting rod;
Said slip ring can slide up and down along said central support bar.
In a preferred embodiment of the present invention, connecting rod, strengthening part, spring, control lever and slip ring that said stiffening device comprises central support bar, is symmetrically distributed with respect to central support bar;
One end of said connecting rod is rotatably connected on the said slip ring that can slide up and down along central support bar, and the other end is connected on the said strengthening part;
One end of said control lever is rotatably connected on the said central support bar, and the other end is rotatably connected on the said connecting rod;
Said slip ring can slide up and down along said central support bar;
Perhaps, the said stiffening device connecting rod, strengthening part, spring, control lever and the slip ring that comprise central support bar, be symmetrically distributed with respect to central support bar;
One end of said connecting rod is rotatably connected on the said slip ring that can slide up and down along central support bar, and the other end is connected on the said strengthening part;
One end of said control lever is rotatably connected on the said central support bar, and the other end is rotatably connected on the said connecting rod;
Said slip ring can slide up and down along said central support bar;
Perhaps, said stiffening device comprises central support bar, connecting rod, control lever and pillar;
One end of said connecting rod is rotatably connected on the said central support bar;
One end of said control lever is rotatably connected on the said pillar, and the other end is rotatably connected on the said connecting rod.
The present invention provides a kind of method of strengthening the existing concrete electric pole on the other hand, and this concrete wire has annular sidewall, inner hollow structure, said method comprising the steps of:
(1) provides claim 1 described stiffening device, and make the strengthening part of said stiffening device be in closure state;
(2) upper opening through concrete wire partly inserts stiffening device of the present invention to the inner hollow of concrete wire, and makes the strengthening part of said stiffening device be in open configuration;
(3) upper opening through concrete wire partly injects packing material to the inner hollow of concrete wire.
The advantage of stiffening device of the present invention is: (1) same stiffening device can be used for the reinforcing of different size internal diameter electric pole; (2) use stiffening device of the present invention,, need not to install in the loaded down with trivial details line bar, can obtain higher installation effectiveness owing to put into the line bar after the outer assembling of the online bar of reinforcing element; (3) method described in the present invention can be given full play to the reinforced effects of fiber reinforced plastic rod.
Description of drawings
Fig. 1 is an instance of stiffening device of the present invention.
Fig. 2 is another instance of stiffening device of the present invention.
Fig. 3 is another instance of stiffening device of the present invention.
Fig. 4 is another instance of stiffening device of the present invention.
Fig. 5 is another instance of stiffening device of the present invention.
Fig. 6 is another instance of stiffening device of the present invention.
Fig. 7 is the sketch map that the present invention strengthens the method for electric pole.
The specific embodiment
In the present invention, only if other explanation is arranged, " electric pole " generally represented the existing hollow concrete electric pole that is using.Generally, electric pole has different internal diameter up and down, and for example the internal diameter on top is less than the internal diameter of bottom.The present invention also is applicable to the reinforcing of the electric pole that internal diameter is identical up and down.
In the present invention, only if other explanation is arranged, " opening " and/or " closure " is a relative concept with respect to central support bar.For example, " closure " connecting rod for indication is parallel with central support bar or bracing means in it allows the minimum angles that reaches with respect to central support bar." open " between connecting rod for indication and the central support bar angle (acute angle) for greater than 0 spend equal 90 the degree, for example 10 the degree, 20 the degree, 30 the degree, 45 the degree, 60 the degree or the like, this depends on practical use.
In the present invention, also can use " opening " perhaps " closure " strengthening part is described.When being in " opening " state, strengthening part is far away from central support bar; When being in " closure " state, strengthening part is nearer from central support bar, for example is close to central support bar.
In the present invention, only if other explanations are arranged, number range " a-b " expression a representes that to the breviary of any real number combination between the b wherein a and b are real numbers.For example all listed the whole real numbers between " 0-5 " among number range " 0-5 " expression this paper, " 0-5 " just the breviary of these combinations of values representes.
In the present invention, only if other explanations are arranged, integer number range " a-b " expression a representes that to the breviary of the combination of the arbitrary integer between the b wherein a and b are integers.For example integer number range " 1-N " expression 1,2 ... N, wherein N is an integer.
In the present invention, only if other explanations are arranged, the multicomponent combination of said each element of " its combination " expression, for example two kinds, three kinds, four kinds and up to the multicomponent combination of maximum possible.
If do not particularly point out, the used term " a kind of " of this manual refers to " at least a ".
" scope " disclosed herein is with the form of the lower limit and the upper limit.Can be respectively one or more lower limits and one or more upper limit.Given range limits through a selected lower limit and a upper limit.The border that the selected lower limit and the upper limit define special scope.All can carry out restricted portion by this way and comprise with capable of being combined, and promptly any lower limit can be combined to form a scope with any upper limit.For example, listed the scope of 60-120 and 80-110, be interpreted as that the scope of 60-110 and 80-120 also reckons with to special parameter.In addition, if if the minimum zone value of listing 1 and 2 and listed maximum magnitude value 3,4 and 5, the scope below then could all reckon with: 1-3,1-4,1-5,2-3,2-4 and 2-5.
One aspect of the present invention provides a kind of stiffening device that is used to strengthen existing electric pole, and said stiffening device comprises:
Central authorities' support bar;
One or more strengthening parts, said one or more strengthening parts can show with respect to said central support bar and open and/or closure state;
One or more connecting rods, an end of said one or more connecting rods is pivotally connected on the central support bar, and the other end is pivotally connected on the said strengthening part; And
One or more control device are used to control opening or closure of said strengthening part.
In the present invention, said central support bar can be processed by any feasible material, for example can be processed by polymer, metal material and combination thereof.In a preferred embodiment of the present invention, said central support bar can be processed by iron, steel, aluminium and their alloy.In a preferred embodiment of the present invention; Said central support bar can be by polymer, and for example polyolefin (like polyvinyl, polypropylene, polybutene etc.), polyester (for example PET, PBT, PTT etc.), polyamide (like aliphatic nylon, aromatic nylon etc.), epoxy resin, phenolic resins etc. are processed.In another preferred embodiment of the present invention, said central support bar can be by nylon 6, nylon 66, nylon 1010, nylon 10, nylon 12, nylon 1212, NYLON610, nylon 612, PPA, PA6T, PA9T.In the present invention, said polymer can be chosen wantonly and add other conventional additives, for example filler, reinforcing agent, plasticizing agent, antioxidant or the like.In a preferred embodiment of the present invention, can add fiber (such as but not limited to glass fiber, to aromatic polyamide fibre, basalt fibre, boron fibre and superhigh molecular weight polyethylene fibers or the like) in the said polymer and strengthen.
In the present invention, said central support bar can be solid or hollow, and this depends on practical use, as long as it can satisfy requirement of strength.
In the present invention, said strengthening part can be processed by any feasible material, for example can be processed by polymer, metal material and combination thereof.In a preferred embodiment of the present invention, the fibre reinforced plastics of said strengthening part for forming through pultrusion by resin and high-performance fiber.Used resin can be thermoplasticity PE, PP or other any suitable components.Used resin also can be by thermosetting resin such as epoxy resin, phenolic resins, unsaturated polyester resin or vinylite etc.Used high-performance fiber can be the Fanglun 1414, glass fiber, carbon fiber, superhigh molecular weight polyethylene fibers, boron carbon fiber, basalt fibre, or any other synthetic or natural fiber that is suitable for.In a preferred embodiment of the present invention, said strengthening part is the fibre reinforced plastics of being processed through pultrusion by vinylite and aramid fiber.
In the present invention, said strengthening part can be an arbitrary shape, for example rod, bar shaped and other any regular or irregular shape.In a preferred embodiment of the present invention, said strengthening part is rod or bar shaped.
In the present invention, said stiffening device can comprise one or more strengthening parts, its concrete number depend on the degree that will strengthen.For example, said stiffening device can comprise 2-100 strengthening part, better 2-50 strengthening part, better 2-20 strengthening part, preferably 4-10 strengthening part.
In the present invention, said one or more strengthening part is parallel or approximate with central support bar parallel.Preferably, said one or more strengthening part is positioned at central support bar and is the same position at center and preferably is symmetrically distributed.For example, all strengthening parts can be positioned at the same position of central support bar, and are symmetrically distributed.
In the present invention, said connecting rod is conventional, and it can be processed with any feasible method by any feasible material.In a better instance of the present invention, the material of said connecting rod is identical with the material of strengthening part.
The shape of said connecting rod also is conventional, and it can be any regular or irregular geometry.In a preferred embodiment of the present invention, said connecting rod be shaped as hollow or solid rod or bar shaped.
In the present invention, said control device is conventional, and each strengthening part opens or closure simultaneously in said this device as long as it can be controlled.
In a preferred embodiment of the present invention, said control device is a gravity, and condition is the maximum inside radius of the length of connecting rod greater than electric pole.At first, connecting rod rotates to centre post, so that all strengthening parts are parallel with central support bar and as far as possible near centre post along direction, and fixes this state (i.e. " closure " state); Then central support bar is inserted said electric pole together with strengthening part; Then, unclamp said strengthening part, all strengthening parts all can be owing to action of gravity is opened so.Because the deadweight of strengthening part and the length of connecting rod 12 so all connecting rods all can be in " opening " state, thereby are evenly distributed on electric pole inside with strengthening part greater than the maximum inner diameter of electric pole.Aforementioned " fixing " and " unclamping " are conventional to those skilled in the art, for example can use rope or the like.
In another preferred embodiment of the present invention, said control device comprises spring driven one or more control lever.One end of said one or more control levers is connected on the central support bar, and the other end is rotatably connected on said one or more connecting rod.One end of said spring is connected to an end of said one or more control levers, and the other end of said spring is connected an end of said one or more connecting rods.A control lever connects a connecting rod.The end that all control levers are connected with spring can both slide up and down along said central support bar, and the end that all connecting rods are connected with spring all is rotatably mounted on the said central support bar; Perhaps all control levers end of being connected with spring all is rotatably mounted on the said central support bar, and the end that all connecting rods are connected with spring can both slide up and down along said central support bar.Said spring is along the parallel placement of said central support bar.At first, rotate all connecting rods, parallel with central support bar with all connecting rods along directions, and fixing (i.e. " closure " state, spring is in extended state at this moment); Then central support bar is inserted in the said electric pole together with strengthening part; Then, unclamp said strengthening part, all strengthening parts all can strut (promptly " open " state, this moment, spring was in relative contraction state) through connecting rod and control lever owing to the stretching action of spring so, thereby play the purpose of strengthening electric pole.Aforementioned " fixing " and " unclamping " are conventional to those skilled in the art, for example can use rope or the like.
Also have in the preferred embodiment of the present invention, said control device comprises pillar and one or more control lever.In this example, said central support bar is a hollow, and porose on the wall of said central support bar.The length in said hole or width make said control lever to move up and down therein.Said pillar is positioned at the inside of said central support bar, and can be up and down.One end of said one or more control levers is pivotally connected on the said pillar through the hole on the said central support bar wall, and the other end is pivotally connected on the said connecting rod.One end of said connecting rod is pivotally connected on the said central support bar.A control lever connects a connecting rod.At first, make the central relatively support bar of pillar upwards or move down, rotate all connecting rods through control lever, so that all connecting rods are parallel with central support bar along directions, i.e. " closure " state; Then central support bar is inserted in the said electric pole together with strengthening part; Then, the central relatively support bar of pillar is perhaps moved up downwards, make all connecting rods strut (promptly " opening " state), thereby play the purpose of strengthening electric pole through control lever.
In the present invention, a stiffening device also can only comprise a control device.This control device is through all connecting rods of strengthening part control.
Fig. 1 has described an instance of stiffening device according to the invention.Stiffening device 10 comprises central support bar 11, connecting rod 12 and strengthening part 13.One end of said connecting rod 12 is pivotally connected on the central support bar 11, and the other end is connected on the strengthening part 13.After inserting electric pole 20, unclamp strengthening part and strengthening part is freely fallen with respect to central support bar, and contact the inwall of said electric pole 20.Because the length of connecting rod 12 is greater than the inside radius of electric pole, so on the inwall of strengthening part 13 attached to said electric pole 20.
Fig. 2 has described another instance of stiffening device according to the invention.Stiffening device 10 comprises 12,6 strengthening parts of connecting rod that a central support bar 11, two groups each 6 be symmetrically distributed with respect to central support bar 11 13, two springs 14, two groups of each 6 control levers 15 and two slip rings 16.One end of said connecting rod 12 be rotatably connected to said can be along on the central support bar 11, the other end is connected on the said strengthening part 13.One end of said control lever 15 is rotatably connected on the said slip ring 16 that can slide up and down along central support bar 11, and the other end is rotatably connected on the said connecting rod 12.Said slip ring 16 can slide up and down along said central support bar 11.During use; Make said slip ring 16 with respect to connecting rod 12 be fixed on the central support bar 11 an end to lower slider (through make strengthening part 13 towards central support bar 11 near accomplishing); Thereby make said strengthening part 13 be in closure state (this moment, spring 14 was in extended state), and make bracing means 10 keep this state.After inserting electric pole, discharge bracing means, spring 14 shrinks and pulling slip ring 16 moves towards the end that connecting rod 12 is fixed on the central support bar 11, thereby makes connecting rod 12 strut strengthening part 13, makes strengthening part 13 be in open configuration.
Fig. 3 has described another instance of stiffening device according to the invention.Stiffening device 10 comprises that a central support bar 11, two groups each 6 are with respect to 11 12,6 strengthening parts of connecting rod of being symmetrically distributed 13, spring 14, two groups of each 6 control levers 15 and two slip rings 16.One end of said connecting rod 12 is rotatably connected to said central support bar 11, and the other end is rotatably connected on the said strengthening part 13.One end of said control lever 15 is rotatably connected on the said slip ring 16 that can slide up and down along central support bar 11, and the other end is rotatably connected on the said connecting rod 12.Said slip ring 16 can slide up and down along said central support bar 11.During use; Make said slip ring 16 with respect to connecting rod 12 be fixed on the central support bar 11 an end to lower slider (through make strengthening part 13 towards central support bar 11 near accomplishing); Thereby make said strengthening part 13 be in closure state (this moment, spring 14 was in extended state), and with making bracing means keep this state.After inserting electric pole, discharge stiffening device, spring 14 shrinks and pulling slip ring 16 moves towards the end that connecting rod 12 is fixed on the central support bar 11, thereby makes connecting rod 12 strut strengthening part 13, makes strengthening part 13 be in open configuration.
Fig. 4 has described another instance of stiffening device according to the invention.Stiffening device 10 comprises that a central support bar 11, two groups each 6 are with respect to 11 12,6 strengthening parts of connecting rod of being symmetrically distributed 13, two springs 14, two groups of each 6 control levers 15 and two slip rings 16.One end of said connecting rod 12 is rotatably connected on the said slip ring 16 that can slide up and down along central support bar 11, and the other end is connected on the said strengthening part 13.One end of said control lever 15 is rotatably connected on the said central support bar 11, and the other end is rotatably connected on the said connecting rod 12.Said slip ring 16 can slide up and down along said central support bar 11.During use; Make said slip ring 16 with respect to control lever 15 be fixed on the central support bar 11 an end to lower slider (through make strengthening part 13 towards central support bar 11 near accomplishing); Thereby make said strengthening part 13 be in closure state (this moment, spring 14 was in extended state), and with making bracing means keep this state.After inserting electric pole, discharge stiffening device, spring 14 shrinks and pulling slip ring 16 moves towards the end that control lever 15 is fixed on the central support bar 11, thereby makes connecting rod 12 strut strengthening part 13, makes strengthening part 13 be in open configuration.
Fig. 5 has described another instance of stiffening device according to the invention.Stiffening device 10 comprises that a central support bar 11, two groups each 6 are with respect to 11 12,6 strengthening parts of connecting rod of being symmetrically distributed 13, two springs 14, two groups of each 6 control levers 15 and two slip rings 16.One end of said connecting rod 12 is rotatably connected on the said slip ring 16 that can slide up and down along central support bar 11, and the other end is connected on the said strengthening part 13.One end of said control lever 15 is rotatably connected on the said central support bar 11, and the other end is rotatably connected on the said connecting rod 12.Said slip ring 16 can slide up and down along said central support bar 11.During use; Make said slip ring 16 with respect to control lever 15 be fixed on a end on the central support bar 11 upwards slide (through make rinforcement bar 13 towards central support bar 11 near accomplishing); Thereby make said strengthening part 13 be in closure state (this moment, spring 14 was in extended state), and make bracing means keep this state.After inserting electric pole, discharge bracing means, spring 14 shrinks and pulling slip ring 16 moves towards the end that control lever 15 is fixed on the central support bar 11, thereby makes connecting rod 12 strut strengthening part 13, makes strengthening part 13 be in open configuration.
Fig. 6 has described another instance of stiffening device according to the invention.Stiffening device 10 comprises central support bar 11, two groups of each 6 connecting rods 12, one group of 6 control levers 15 and pillar 17.One end of said connecting rod 12 is rotatably connected on the said central support bar 11.One end of said control lever 15 is rotatably connected on the said pillar 17, and the other end is rotatably connected on the said connecting rod 12.During use, pillar 17 is moved up along central support bar 11, the pulling effect through control lever 15 makes strengthening part 13 be in closure state.After inserting electric pole, pillar 17 is moved down along said central support bar 11, thereby make control lever 15 strut connecting rod 12, thereby make strengthening part 13 be in open configuration.
The present invention provides a kind of method of strengthening the existing concrete electric pole on the other hand, and this concrete wire has annular sidewall, inner hollow structure, said method comprising the steps of:
(1) stiffening device of the present invention is provided, and makes the strengthening part of said stiffening device be in closure state;
(2) upper opening through concrete wire partly inserts stiffening device of the present invention to the inner hollow of concrete wire, and makes the strengthening part of said stiffening device be in open configuration;
(3) upper opening through concrete wire partly injects packing material to the inner hollow of concrete wire.
In the present invention, said packing material is conventional, and it can be all packing materials that are used to strengthen concrete wire in this area.Concrete packing material can be referring to CN1438101A.
In a preferred embodiment of the present invention, said packing material comprises mortar, sand, gravel, concrete, epoxy resin, aggregate (like grey iron) and combination thereof.In another preferred embodiment of the present invention, said packing material can be filled in the concrete wire in batches, and wherein every batch packing material is different.Concrete fill method in batches can be referring to CN1438101A.
Fig. 7 has described the method that the present invention strengthens the existing concrete electric pole, and wherein used bracing means 10 is stiffening device shown in Figure 1.At first remove the top coagulation earth mulch of taper concrete wire, form a circular open (this opening also can be opened the suitable height at concrete line bar sidewall, and it highly should be convenient to the entering of reinforcing rib system with size).Then, make stiffening device 10 closures in concrete line bar outside, minimum even strengthening part as far as possible near central support bar, drops to the external diameter of whole stiffening device 10, so that it gets into electric pole is inner.Then, use suitable lifting or hanging apparatus that stiffening device 10 is joined electric pole inside from the opening on electric pole top.After device 10 to be strengthened gets into electric pole inside, stiffening device is opened, promptly discharge strengthening part 13 away from central support shaft 11, and be close to the concrete wire inwall.After stiffening device 10 opened fully, each strengthening part closely contacted with concrete line bar inwall; Central authorities' support bar should be positioned at line bar center., treat to accomplish reinforcing behind the concrete curing to being higher than strengthening part to the inner concrete mortar that adds of electric pole to the line bar.

Claims (14)

1. stiffening device that is used to strengthen the existing concrete electric pole, this concrete wire has annular sidewall, inner hollow structure, and said stiffening device comprises:
Central authorities' support bar;
One or more strengthening parts, said one or more strengthening parts can show with respect to said central support bar and open and/or closure state;
One or more connecting rods, an end of said one or more connecting rods is pivotally connected on the central support bar, and the other end is pivotally connected on the said strengthening part; And
One or more control device are used to control opening or closure of said strengthening part.
2. stiffening device as claimed in claim 1 is characterized in that said control device is a gravity, and condition is the maximum inside radius of the length of connecting rod greater than electric pole.
3. stiffening device as claimed in claim 1 is characterized in that, said control device comprises spring driven one or more control lever.
4. stiffening device as claimed in claim 1 is characterized in that, said control device comprises pillar and one or more control lever; Said central support bar is a hollow, and porose on the wall of said central support bar, and the length in said hole or width make said control lever to move up and down therein; Said pillar is positioned at the inside of said central support bar, and can be up and down; One end of said one or more control levers is pivotally connected on the said pillar through the hole on the said central support bar wall, and the other end is pivotally connected on the said connecting rod; One end of said connecting rod is pivotally connected on the said central support bar; And a control lever connects a connecting rod.
5. stiffening device as claimed in claim 1 is characterized in that, the shaft of said strengthening part for being processed by polymer, metal material and combination thereof.
6. like claim 1 or 5 described stiffening devices, it is characterized in that the fiber reinforced plastics pole of said strengthening part for processing through pultrude process by vinylite and aramid fiber.
7. stiffening device as claimed in claim 1 is characterized in that, said stiffening device comprises 2-100 strengthening part.
8. stiffening device as claimed in claim 1 is characterized in that, said stiffening device comprises 2-50 strengthening part.
9. stiffening device as claimed in claim 1 is characterized in that, said stiffening device comprises 2-20 strengthening part.
10. stiffening device as claimed in claim 1 is characterized in that, said stiffening device comprises 4-10 strengthening part
11. stiffening device as claimed in claim 1; It is characterized in that; Said stiffening device comprises that central support bar (11), the connecting rod (12), strengthening part (13) and the control device that are symmetrically distributed with respect to central support bar comprise spring (14), control lever (15) and slip ring (16)
One end of said connecting rod (12) is rotatably connected on the said central support bar (11), and the other end is connected on the said strengthening part (13);
One end of said control lever (15) is rotatably connected on the said slip ring (16), and the other end is rotatably connected on the said connecting rod (12);
Said slip ring (16) can slide up and down along said central support bar, and when spring (14) contraction and pulling slip ring (16), thereby make connecting rod (12) strut strengthening part (13), make strengthening part (13) be in open configuration.
12. stiffening device as claimed in claim 1; It is characterized in that said stiffening device comprises that central support bar (11), the connecting rod (12), strengthening part (13) and the control device that are symmetrically distributed with respect to central support bar comprise spring (14), control lever (15) and slip ring (16);
One end of said connecting rod (12) is rotatably connected on the said slip ring (16), and the other end is connected on the said strengthening part (13);
One end of said control lever (15) is rotatably connected on the said central support bar (11), and the other end is rotatably connected on the said connecting rod (12); And
Said slip ring (16) can slide up and down along said central support bar, and when spring (14) contraction and pulling slip ring (16), thereby make connecting rod (12) strut strengthening part (13), make strengthening part (13) be in open configuration.
13. stiffening device as claimed in claim 1 is characterized in that, said stiffening device comprises central support bar (11), connecting rod (12), control lever (15) and pillar (17);
One end of said connecting rod (12) is rotatably connected on the said central support bar (11), and the other end is connected on the said strengthening part (13);
One end of said control lever (15) is rotatably connected on the said pillar (17), and the other end is rotatably connected to (12) on the said connecting rod; Said pillar (17) can move up and down along said central support bar (11); And work as pillar (17) and move down, thereby make control lever (15) strut connecting rod (12), thereby make strengthening part (13) be in open configuration along said central support bar (11).
14. a method of strengthening the existing concrete electric pole, this concrete wire have annular sidewall, inner hollow structure, said method comprising the steps of:
(1) provides claim 1 described stiffening device, and make the strengthening part of said stiffening device be in closure state;
(2) upper opening through concrete wire partly inserts the described stiffening device of claim 1 to the inner hollow of concrete wire, and makes the strengthening part of said stiffening device be in open configuration;
(3) upper opening through concrete wire partly injects packing material to the inner hollow of concrete wire.
CN2008101889722A 2008-12-31 2008-12-31 Telegraph pole strengthening device and strengthening method thereof Expired - Fee Related CN101769087B (en)

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CN110130671B (en) * 2019-05-24 2021-06-11 国网山东省电力公司平度市供电公司 Internal reinforcing device and repairing method for broken telegraph pole
CN112653033B (en) * 2020-11-24 2022-04-08 国网浙江省电力有限公司龙游县供电公司 Labor-saving insulating wire clamping device

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Publication number Priority date Publication date Assignee Title
CN1031876A (en) * 1987-08-13 1989-03-22 思考特巴德有限公司 Improved pole repair system
JP2002276201A (en) * 2001-03-15 2002-09-25 Taiyo Gijutsu Kaihatsu Kk Reinforcing method of existing hollow strut
CN1438101A (en) * 2002-02-15 2003-08-27 Ntt网络结构株式会社 Concrete wire pole, fitting rack for reinforcing part of same and reinforcing method thereof
JP2007016418A (en) * 2005-07-05 2007-01-25 Hiroyasu Minayoshi Reinforcing method for electric concrete pole, and electric concrete pole
JP4157149B2 (en) * 2006-06-29 2008-09-24 親 菱田 Hollow concrete pole reinforcement structure and hollow concrete pole reinforcement method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1031876A (en) * 1987-08-13 1989-03-22 思考特巴德有限公司 Improved pole repair system
JP2002276201A (en) * 2001-03-15 2002-09-25 Taiyo Gijutsu Kaihatsu Kk Reinforcing method of existing hollow strut
CN1438101A (en) * 2002-02-15 2003-08-27 Ntt网络结构株式会社 Concrete wire pole, fitting rack for reinforcing part of same and reinforcing method thereof
JP2007016418A (en) * 2005-07-05 2007-01-25 Hiroyasu Minayoshi Reinforcing method for electric concrete pole, and electric concrete pole
JP4157149B2 (en) * 2006-06-29 2008-09-24 親 菱田 Hollow concrete pole reinforcement structure and hollow concrete pole reinforcement method

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