CN111485484A - Novel protective sleeve for cable-stayed bridge cable and use method thereof - Google Patents
Novel protective sleeve for cable-stayed bridge cable and use method thereof Download PDFInfo
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- CN111485484A CN111485484A CN202010501568.7A CN202010501568A CN111485484A CN 111485484 A CN111485484 A CN 111485484A CN 202010501568 A CN202010501568 A CN 202010501568A CN 111485484 A CN111485484 A CN 111485484A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/04—Cable-stayed bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
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Abstract
The invention discloses a novel protective sleeve for a cable-stayed bridge cable and a use method thereof, belonging to the technical field of bridge safety. Can realize that the protective sheath can not be along with the extension of cable body atress when the cable is hung to the cable stretch-draw, can prevent that the protective sheath from being in work under the stress state, and then make the protective sheath not fragile, long service life to prevent that the cable from receiving the corrosion damage, also reduced the cost that the protective sheath was maintained, changed simultaneously, and simple to operate, easy operation, protection effect to the cable is better.
Description
Technical Field
The invention relates to the field of bridge safety, in particular to a novel protective sleeve for a cable-stayed bridge cable and a using method thereof.
Background
A cable-stayed bridge is also called a diagonal tension bridge, is a bridge with a main beam directly pulled on a bridge tower by a plurality of guys, and is a structural system formed by combining a pressure-bearing tower, a pulled guy and a bending-bearing beam body. It can be seen as a multi-span elastically supported continuous beam with guy cables instead of buttresses. It can reduce the bending moment in the beam body, reduce the building height, lighten the structural weight and save materials. The cable-stayed bridge mainly comprises a cable tower, a main beam and a stay cable.
The stay cable is an important part of a cable-stayed bridge, is exposed in the environment of wind, rain, moisture and polluted air for a long time, is subjected to stress corrosion, fatigue corrosion and metal corrosion, so that the stay cable is easy to corrode and damage, and must be subjected to corrosion protection in order to ensure the safety of the bridge.
Wrapping up the protective sheath on the cable surface, being the safeguard measure of the most common cable, but the cable protective sheath among the prior art, after the cable is hung to the cable and is stretched, the protective sheath can be along with the extension of cable body atress, makes the protective sheath work under the stress state for a long time, leads to protective sheath life short, damage easily, and then leads to the cable to receive the corruption damage easily.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a novel protective sleeve for a cable of a cable-stayed bridge and a using method thereof, which can prevent the protective sleeve from extending along with the stress of a cable body when the cable is hung and tensioned, prevent the protective sleeve from working in a stress state, further prevent the protective sleeve from being damaged difficultly and have long service life, thereby preventing the cable from being damaged by corrosion, simultaneously reducing the cost of maintaining and replacing the protective sleeve, and having convenient installation, simple operation and better protective effect on the cable.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A novel protective sleeve for a cable-stayed bridge cable comprises a main protective mechanism, a sealing head mechanism and a cable, wherein the sealing head mechanisms are arranged at two ends of the main protective mechanism, the main protective mechanism comprises an outer protective sleeve, two inner connecting sleeves are symmetrically arranged in the outer protective sleeve, a water injection pipe is fixedly connected to the inner wall of the outer protective sleeve, a plurality of water injection holes which are uniformly distributed are formed in the outer wall of the water injection pipe, which is far away from one side of the outer protective sleeve, supporting rods are fixedly connected to the inner walls at two sides of the outer protective sleeve, one end of each supporting rod is fixedly connected with an adjusting seat, two adjusting grooves are formed in the adjusting seats, a connecting spring is fixedly connected to the inner walls of the adjusting grooves, a connecting rod is fixedly connected to one end of the connecting spring, the connecting rod penetrates through the outer wall of the adjusting grooves and slides with the outer walls, and sealing films, the one end and the interior adapter sleeve fixed connection of outer protective sheath are kept away from to the seal membrane, the one end intercommunication of water injection pipe has the inlet tube, and the other end of water injection pipe sets up to the seal form.
The sealing head mechanism comprises a sealing head, one side of the sealing head is fixedly connected with a connecting ring, the inner wall of the connecting ring is fixedly connected with the outer wall of an outer protective sleeve, the middle part of the sealing head is provided with a connecting hole, two sealing blocks are symmetrically arranged inside the connecting hole, the inner walls at two sides of the connecting hole are fixedly connected with an inclined guide block matched with the sealing block, one side of the sealing block, which is far away from the inclined guide block, is provided with a connecting groove, two sides of the connecting hole are provided with vertical holes penetrating through the sealing head, the inner wall of each vertical hole is fixedly connected with a bearing, the inside of the bearing is rotatably connected with an adjusting rod, one end of the adjusting rod penetrates through the vertical holes and extends into the connecting hole and is fixedly connected with an adjusting gear, one end of the sealing block is fixedly connected with a gear strip, the gear strip is meshed with the adjusting gear, and, the glue injection pipe that two symmetries of inside fixedly connected with of sealed head set up, the one end intercommunication of glue injection pipe has the connecting pipe, the other end of glue injection pipe runs through sealed head and extends to the outside of sealed head, the injecting glue groove has been seted up to the inside of sealed piece, the one end and the injecting glue groove intercommunication of glue injection pipe are kept away from to the connecting pipe, a plurality of evenly distributed's injecting glue hole has been seted up to the bottom in injecting glue groove.
Further, the material of outer protective sheath, internal connection cover is high density polyethylene, and high density polyethylene has good heat resistance and cold resistance, and chemical stability is good, still has higher rigidity and toughness, and mechanical strength is good, and the outer protective sheath, the internal connection cover of high density polyethylene material can carry out better protection to the cable, the internal connection cover sets up to arc, and the radius of internal connection cover inner circle equals with the radius of cable, makes the internal connection cover can closely laminate with the cable.
Furthermore, the filling layer is filled with filling materials which are water-absorbent resin, and the water-absorbent resin can expand after absorbing water, so that the inner connecting sleeve can be attached to the inhaul cable.
Furthermore, the water injection pipe is arranged in a spiral coil shape, so that clear water can be conveniently injected into the water-absorbent resin in the filling layer.
Further, the connecting rod sets up to the L font, and the connecting rod keeps away from connecting spring's one end and internal connection cover fixed connection, through the setting of bracing piece, regulation seat, adjustment tank, connecting spring, connecting rod, can play a supporting role to the internal connection cover, makes two internal connection cover initial be the detached state to can be convenient for the cable wear out between two internal connection cover.
Furthermore, adjust the seat and equal with the length of internal connection cover, and adjust the seat and keep away from one side of bracing piece and paste mutually with the internal connection cover, adjust the setting of seat, seal membrane, can prevent that the intraformational absorbent resin of packing from entering into between the internal connection cover.
Further, the material of guide block to one side is magnet, the material of sealed piece is iron, sealed piece adsorbs mutually with guide block to one side and pastes, and guide block to one side has certain adsorption to sealed piece through magnetic force to prevent that the sealed piece of upside from dropping, and sealed piece and one side that guide block pasted mutually all scribbles the wear-resisting coating of smooth mirror surface, the relative slip between sealed piece and the guide block to one side of can being convenient for.
Furthermore, the sealing block and the connecting groove are both arranged in a semi-circular truncated cone shape, the radius of one end, away from the gear strip, of the connecting groove is equal to the radius of the inhaul cable, the bottom end of the inclined guide block is arranged in an inclined shape, the inhaul cable can be stretched to increase a certain length when being tensioned, in the scheme, the sealing block, the inclined guide block, the connecting groove, the vertical hole, the bearing, the adjusting rod, the adjusting gear and the gear strip are arranged, the adjusting rod is rotated, the sealing block is driven to slide outwards from the connecting hole through transmission between the adjusting gear and the gear strip, and the two sealing blocks are close to each other while sliding because the bottom end of the inclined guide block is arranged in an inclined shape, so that the sealing block can not only be moved to be clung to the inhaul cable, but also can be used for extending the whole protective sleeve to a certain length to adapt to the stretched inhaul cable, the protection effect to the cable has been improved.
Further, the slope of injecting glue groove sets up, the both ends in the injecting glue hole are linked together in injecting glue groove and spread groove respectively, the connecting pipe is corrugated tube, through the setting in injecting glue pipe, connecting pipe, injecting glue groove, injecting glue hole, can pour into sealed glue into to the junction of sealed piece and cable through the injecting glue pipe, improves the leakproofness of junction, prevents that the rainwater from flowing to the cable surface through the junction, and the connecting pipe of corrugated tube material, and is flexible good, can compensate the relative displacement between injecting glue groove and the injecting glue pipe that arouses because of the slip of sealed piece.
A use method of a novel protective sleeve for a cable-stayed bridge cable comprises the following steps:
s1, the stay cable penetrates through the connecting hole at one end, penetrates through the connecting holes at the other end after penetrating through the inner connecting sleeves, and the protective sleeve is sleeved on the outer side of the stay cable;
s2, hanging and tensioning the stay cable, and installing and fixing the stay cable;
s3, injecting a proper amount of clear water into the water injection pipe through the water inlet pipe, and enabling the water-absorbing resin in the filling layer to absorb water and expand so that the inner connecting sleeve is tightly attached to the inhaul cable;
s4, rotating the adjusting rods on the two sides of the sealing head at one end to enable the two corresponding sealing blocks to slide outwards the connecting hole, enabling the two sealing blocks to approach each other while sliding until one end of the sealing block, which is far away from the connecting pipe, is attached to the inhaul cable, and similarly, rotating the adjusting rods on the two sides of the sealing head at the other end to enable the sealing blocks of the two sealing head mechanisms to be attached to the inhaul cable;
and S5, injecting a proper amount of sealant into the glue injection groove through the glue injection pipe, enabling the sealant to flow into the connecting groove and the connecting hole through the glue injection hole, sealing the connecting position of the sealing block and the inhaul cable, and completing connection of the protective sleeve and the inhaul cable.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the protective sheath in this scheme can not be along with the extension of cable body atress when the cable is hung to the cable stretch-draw, can prevent that the protective sheath from being in work under the stress state, and then makes the protective sheath not fragile, long service life to prevent that the cable from receiving the corrosion damage, also reduced the cost that the protective sheath was maintained, was changed simultaneously, and simple to operate, easy operation, protection effect to the cable is better.
(2) Through the outer protective sheath, the interconnection adapter sleeve, the filling layer, the water injection pipe, the water injection hole, the joint setting of bracing piece isotructure, the interconnection adapter sleeve is initial for the detached state, make the cable be convenient for penetrate between the interconnection adapter sleeve, wear out main protection mechanism, and the cable is when carrying out the lanyard stretch-draw, can not make the outer protective sheath, the interconnection adapter sleeve atress is tensile, prevent that the protective sheath is in work under the stress condition, and the cable is the lanyard stretch-draw back again, through the water injection clear water of water injection hole in to the water injection pipe, can make the intraformational resin that absorbs water of filling expand, and then drive the interconnection adapter sleeve and press close to the cable, protect the cable, when guaranteeing the protection effect, the service life of protective sheath has been improved, make the protective.
(3) The material of outer protective sheath, internal connection cover is high density polyethylene, and high density polyethylene has good heat resistance and cold resistance, and chemical stability is good, still has higher rigidity and toughness, and mechanical strength is good, and the outer protective sheath, the internal connection cover of high density polyethylene material can carry out better protection to the cable, and the internal connection cover sets up to arc, and the radius of internal connection cover inner circle equals with the radius of cable, makes the internal connection cover can closely laminate with the cable.
(4) The filling layer is filled with filling materials which are water-absorbent resin, and the water-absorbent resin can expand after absorbing water, so that the inner connecting sleeve can be attached to the inhaul cable.
(5) The water injection pipe is arranged in a spiral coil shape, so that clear water can be conveniently injected into the water-absorbent resin in the filling layer.
(6) The connecting rod sets up to the L font, and the connecting rod keeps away from connecting spring's one end and internal connection cover fixed connection, through the setting of bracing piece, regulation seat, adjustment tank, connecting spring, connecting rod, can play a supporting role to the internal connection cover, makes two internal connection cover initial be the detached state to can be convenient for the cable wear out between two internal connection cover.
(7) The length of the adjusting seat is equal to that of the inner connecting sleeve, one side of the adjusting seat, which is far away from the supporting rod, is attached to the inner connecting sleeve, and the setting of the adjusting seat and the sealing film can prevent the water-absorbing resin in the filling layer from entering between the inner connecting sleeves.
(8) The material of guide block to one side is magnet, and the material of sealed piece is iron, and sealed piece adsorbs mutually with guide block to one side and pastes mutually, and guide block to one side has certain adsorption to sealed piece through magnetic force to prevent that the sealed piece of upside from dropping, and sealed piece and one side that guide block pasted mutually all scribbles smooth mirror surface wear-resistant coating, the relative slip between sealed piece and the guide block to one side of can being convenient for.
(9) The cable is when hanging cable stretch-draw, can be by tensile certain length that increases, in this scheme, through sealed piece, oblique guide block, the spread groove, erect the hole, a bearing, adjust the pole, adjusting gear, the setting of rack, rotate the regulation pole, accessible adjusting gear, transmission between the rack, it slides to the connecting hole outside to drive sealed piece, and set up to the slope form because of oblique guide block's bottom, two sealed pieces are close to each other in gliding, make sealed piece can not only remove to hugging closely with the cable, and can make whole protective sheath carry out certain extension, and then adapt to the cable by tensile length, avoid partial cable to expose outside, it is more comprehensive to the protection of cable, the protection effect to the cable has been improved.
(10) The slope of injecting glue groove sets up, the both ends in the injecting glue hole are linked together in injecting glue groove and spread groove respectively, the connecting pipe is corrugated tube, through the injecting glue pipe, the connecting pipe, the injecting glue groove, the setting in injecting glue hole, can pour into sealed glue into to the junction of sealed piece and cable through the injecting glue pipe, improve the leakproofness of junction, prevent that the rainwater from flowing to the cable surface through the junction, and the connecting pipe of corrugated tube material, flexibility is good, can compensate the relative displacement between injecting glue groove and the injecting glue pipe that arouses because of the slip of sealed piece.
Drawings
FIG. 1 is a schematic structural view of a novel protective sheath for a cable of a cable-stayed bridge according to the present invention;
FIG. 2 is a side cross-sectional view of the inside of the outer jacket of the present invention;
FIG. 3 is a front cross-sectional view of the inside of the outer jacket of the present invention;
FIG. 4 is a schematic structural view of the main water pipe of the present invention;
FIG. 5 is a cross-sectional view of the interior of the adjustment block of the present invention;
FIG. 6 is a cross-sectional view of the interior of the sealing head of the present invention;
FIG. 7 is an enlarged view taken at A of FIG. 6 in accordance with the present invention;
fig. 8 is a schematic perspective view of the sealing block of the present invention.
The reference numbers in the figures illustrate:
101. an outer protective sheath; 102. an inner connecting sleeve; 103. a filling layer; 104. a water injection pipe; 105. a water injection hole; 106. a support bar; 107. an adjusting seat; 108. an adjustment groove; 109. a connecting spring; 110. a connecting rod; 111. a sealing film; 112. a water inlet pipe; 201. a sealing head; 202. a connecting ring; 203. connecting holes; 204. a sealing block; 205. an inclined guide block; 206. connecting grooves; 207. vertical holes; 208. a bearing; 209. adjusting a rod; 210. an adjusting gear; 211. a gear rack; 212. a glue injection pipe; 213. a connecting pipe; 214. injecting glue groove; 215. and (6) injecting glue holes.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-5, a novel protective sleeve for a cable-stayed bridge cable comprises a main protective mechanism, a sealing head mechanism and a cable, wherein the sealing head mechanisms are arranged at both ends of the main protective mechanism, the main protective mechanism comprises an outer protective sleeve 101, two inner connecting sleeves 102 are symmetrically arranged inside the outer protective sleeve 101, the outer protective sleeve 101 and the inner connecting sleeve 102 are made of high-density polyethylene, the high-density polyethylene has good heat resistance and cold resistance and good chemical stability, and has high rigidity and toughness, and good mechanical strength, the outer protective sleeve 101 and the inner connecting sleeve 102 made of high-density polyethylene can better protect the cable, the inner connecting sleeve 102 is arc-shaped, the radius of the inner connecting sleeve 102 is equal to that of an inner ring, the inner connecting sleeve 102 can be tightly attached to the cable, a filling layer 103 is arranged between the outer protective sleeve 101 and the inner connecting sleeve 102, the filling layer 103 is filled with a filling material, the filling material is water-absorbent resin, the water-absorbent resin can expand after absorbing water, and further the water-absorbent resin can make the inner connecting sleeve 102 and the cable tightly attach to the cable, the inner connecting sleeve 102 and the inner connecting sleeve 102, the inner connecting sleeve 102 is arranged to the inner connecting rod 102, the inner connecting sleeve 102, the inner connecting rod 102 is arranged to the inner connecting sleeve 102, the connecting rod 102, the inner connecting sleeve 102, the inner connecting rod 102 is arranged to the connecting sleeve 102, the connecting rod 102, the inner connecting rod 102, the connecting sleeve 102, the inner connecting rod 102, the connecting rod 102 is arranged to the connecting sleeve 102, the connecting rod 102 is arranged to connect the inner connecting rod 102, the adjusting mechanism is arranged to the adjusting mechanism, the adjusting mechanism is arranged to the adjusting mechanism, the adjusting mechanism is arranged to adjust the adjusting mechanism, the adjusting mechanism is arranged to adjust the adjusting mechanism, the adjusting mechanism is arranged to adjust the adjusting mechanism, the adjusting.
Referring to fig. 6-8, the sealing head mechanism includes a sealing head 201, a connection ring 202 is fixedly connected to one side of the sealing head 201, an inner wall of the connection ring 202 is fixedly connected to an outer wall of the outer protective sleeve 101, a connection hole 203 is formed in a middle portion of the sealing head 201, two sealing blocks 204 are symmetrically arranged inside the connection hole 203, oblique guide blocks 205 matched with the sealing blocks 204 are fixedly connected to inner walls of two sides of the connection hole 203, the oblique guide blocks 205 are made of a magnet, the sealing blocks 204 are made of iron, the sealing blocks 204 are attached to the oblique guide blocks 205 in an adsorption manner, the oblique guide blocks 205 have a certain adsorption effect on the sealing blocks 204 through magnetic force, so that the sealing blocks 204 on the upper side are prevented from falling off, and one side where the sealing blocks 204 and the oblique guide blocks 205 are attached is coated with a smooth mirror wear-resistant coating, which can facilitate relative sliding between the sealing blocks 204 and the oblique guide blocks 205, the connecting groove 206 has been seted up to one side that sealed piece 204 kept away from oblique guide block 205, and the perpendicular hole 207 that runs through sealed head 201 has all been seted up to the both sides of connecting hole 203, fixedly connected with bearing 208 on the inner wall of perpendicular hole 207, the inside rotation of bearing 208 is connected with adjusts pole 209, the one end of adjusting pole 209 is run through in perpendicular hole 207 extends to connecting hole 203 and fixedly connected with adjusting gear 210, the one end fixedly connected with gear strip 211 of sealed piece 204, gear strip 211 meshes with adjusting gear 210, sealed piece 204 and connecting groove 206 all set up to half round platform form, and the radius that gear strip 211 one end was kept away from to connecting groove 206 equals with the radius of cable, the bottom of oblique guide block 205 sets up to the slope form, and the cable can be stretched and increased certain length when the stretch-draw, in this scheme, through sealed piece 204, oblique guide block 205, connecting groove 206, perpendicular hole 207, The bearing 208, the adjusting rod 209, the adjusting gear 210 and the gear bar 211 are arranged, the adjusting rod 209 is rotated, the sealing blocks 204 can be driven to slide outwards the connecting holes 203 through transmission between the adjusting gear 210 and the gear bar 211, and because the bottom end of the inclined guide block 205 is arranged to be inclined, the two sealing blocks 204 are close to each other while sliding, so that the sealing blocks 204 can not only move to be clung to the guy cable, but also can ensure that the whole protective sleeve can be extended to a certain extent, thereby adapting to the length of the guy cable which is stretched, avoiding part of the guy cable from being exposed outside, protecting the guy cable more comprehensively, improving the protection effect of the guy cable, the other end of the adjusting rod 209 penetrates through the vertical hole 207 and extends to the outside of the sealing head 201, the inside of the sealing head 201 is fixedly connected with two symmetrically arranged glue injection pipes 212, one end of the glue injection pipe 212 is communicated with the connecting pipe 213, the other end of the, the utility model discloses a cable pulling device, including sealing block 204, injecting glue groove 214 has been seted up to sealing block 204's inside, the one end that injecting glue pipe 212 was kept away from to connecting pipe 213 communicates with injecting glue groove 214, a plurality of evenly distributed's injecting glue hole 215 has been seted up to injecting glue groove 214's bottom in injecting glue groove 214, injecting glue groove 214 slope sets up, the both ends of injecting glue hole 215 are linked together in injecting glue groove 214 and spread groove 206 respectively, connecting pipe 213 is corrugated hose, through injecting glue pipe 212, connecting pipe 213, injecting glue groove 214, injecting glue hole 215's setting, can pour into sealed glue into to the junction of sealing block 204 and cable through injecting glue pipe 212, improves the leakproofness of junction, prevents that the rainwater from flowing to the cable surface through the junction, and the connecting pipe 213 of corrugated hose material, and flexibility is good, can compensate the relative displacement between injecting glue groove 214 and the injecting glue pipe 212 that arouses because.
Referring to fig. 1-8, a method for using a novel protective sheath for a cable of a cable-stayed bridge includes the following steps:
s1, the stay cable penetrates through the connecting hole 203 at one end, penetrates through the connecting hole 203 at the other end after penetrating through the inner connecting sleeve 102, and the protective sleeve is sleeved on the outer side of the stay cable;
s2, hanging and tensioning the stay cable, and installing and fixing the stay cable;
s3, injecting a proper amount of clear water into the water injection pipe 104 through the water inlet pipe 112, and enabling the water-absorbent resin in the filling layer 103 to absorb water and expand so as to enable the inner connecting sleeve 102 to cling to the inhaul cable;
s4, rotating the adjusting rods 209 on the two sides of the sealing head 201 at one end to enable the two corresponding sealing blocks 204 to slide outwards the connecting hole 203, enabling the two sealing blocks 204 to slide and simultaneously approach each other until one end of the sealing block 204, which is far away from the connecting pipe 213, is attached to the inhaul cable, and similarly, rotating the adjusting rods 209 on the two sides of the sealing head 201 at the other end to enable the sealing blocks 204 of the two sealing head mechanisms to be attached to the inhaul cable;
s5, injecting a proper amount of sealant into the glue injection groove 214 through the glue injection pipe 212, wherein the sealant flows into the connecting groove 206 and the connecting hole 203 through the glue injection hole 215, and the connecting position of the sealing block 204 and the inhaul cable is sealed, so that the connection of the protective sleeve and the inhaul cable can be completed.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a cable-stay bridge cable is with novel protective sheath, includes main protection mechanism, sealed first mechanism and cable, the both ends of main protection mechanism all are provided with sealed first mechanism, its characterized in that: the main protection mechanism comprises an outer protection sleeve (101), two symmetrical inner connecting sleeves (102) are arranged in the outer protection sleeve (101), a filling layer (103) is arranged between the outer protection sleeve (101) and the inner connecting sleeves (102), a water injection pipe (104) is fixedly connected to the inner wall of the outer protection sleeve (101), a plurality of water injection holes (105) which are uniformly distributed are formed in the outer wall of one side, far away from the outer protection sleeve (101), of the water injection pipe (104), supporting rods (106) are fixedly connected to the inner walls of two sides of the outer protection sleeve (101), one end of each supporting rod (106) is fixedly connected with an adjusting seat (107), two adjusting grooves (108) are formed in the adjusting seat (107), a connecting spring (109) is fixedly connected to the inner wall of each adjusting groove (108), and a connecting rod (110) is fixedly connected to one end of each connecting spring (109), the connecting rod (110) penetrates through the outer wall of the adjusting groove (108) and slides with the adjusting groove, two ends of the outer protective sleeve (101) are fixedly connected with sealing films (111), one end, far away from the outer protective sleeve (101), of each sealing film (111) is fixedly connected with the inner connecting sleeve (102), one end of the water injection pipe (104) is communicated with a water inlet pipe (112), and the other end of the water injection pipe (104) is in a sealing opening shape;
sealed first mechanism is including sealed head (201), one side fixedly connected with go-between (202) of sealed head (201), the outer wall fixed connection of the inner wall of go-between (202) and outer protective sheath (101), connecting hole (203) have been seted up at the middle part of sealed head (201), the inside of connecting hole (203) is provided with two symmetries and is provided with sealed piece (204), equal fixedly connected with and sealed piece (204) assorted oblique guide block (205) on the inner wall of connecting hole (203) both sides, sealed piece (204) are kept away from one side of oblique guide block (205) and have been seted up spread groove (206), and perpendicular hole (207) that run through sealed head (201) are all seted up to the both sides of connecting hole (203), fixedly connected with bearing (208) on the inner wall of perpendicular hole (207), the inside rotation of bearing (208) is connected with adjusts pole (209), the one end of adjusting pole (209) is run through perpendicular hole (207) and is extended to in connecting hole (203) and festival gear (210), one end fixedly connected with gear rack (211) of sealed piece (204), gear rack (211) and adjusting gear (210) meshing, the other end of adjusting pole (209) runs through perpendicular hole (207) and extends to the outside of sealed head (201), glue injection pipe (212) that two symmetries of inside fixedly connected with of sealed head (201) set up, the one end intercommunication of glue injection pipe (212) has connecting pipe (213), the other end of glue injection pipe (212) runs through sealed head (201) and extends to the outside of sealed head (201), glue injection groove (214) have been seted up to the inside of sealed piece (204), the one end and the glue injection groove (214) intercommunication of glue injection pipe (212) are kept away from in connecting pipe (213), a plurality of evenly distributed's glue injection hole (215) have been seted up to the bottom in glue injection groove (214).
2. The novel protective sleeve for the cable-stayed bridge cable according to claim 1, characterized in that: the outer protective sleeve (101) and the inner connecting sleeve (102) are made of high-density polyethylene, the inner connecting sleeve (102) is arc-shaped, and the radius of the inner ring of the inner connecting sleeve (102) is equal to that of the inhaul cable.
3. The novel protective sleeve for the cable-stayed bridge cable according to claim 1, characterized in that: and a filling material is filled in the filling layer (103), and the filling material is water-absorbent resin.
4. The novel protective sleeve for the cable-stayed bridge cable according to claim 1, characterized in that: the water injection pipe (104) is arranged in a spiral coil shape.
5. The novel protective sleeve for the cable-stayed bridge cable according to claim 1, characterized in that the connecting rod (110) is L-shaped, and one end of the connecting rod (110) far away from the connecting spring (109) is fixedly connected with the inner connecting sleeve (102).
6. The novel protective sleeve for the cable-stayed bridge cable according to claim 1, characterized in that: the length of the adjusting seat (107) is equal to that of the inner connecting sleeve (102), and one side of the adjusting seat (107) far away from the supporting rod (106) is attached to the inner connecting sleeve (102).
7. The novel protective sleeve for the cable-stayed bridge cable according to claim 1, characterized in that: the material of oblique guide block (205) is magnet, the material of sealed piece (204) is iron, sealed piece (204) and oblique guide block (205) adsorb mutually and paste, and sealed piece (204) and oblique guide block (205) one side of pasting mutually all scribble smooth mirror surface wear-resistant coating.
8. The novel protective sleeve for the cable-stayed bridge cable according to claim 1, characterized in that: the sealing block (204) and the connecting groove (206) are both arranged to be semi-circular truncated cone-shaped, the radius of one end, away from the gear rack (211), of the connecting groove (206) is equal to the radius of the inhaul cable, and the bottom end of the oblique guide block (205) is arranged to be oblique.
9. The novel protective sleeve for the cable-stayed bridge cable according to claim 1, characterized in that: the glue injection groove (214) is obliquely arranged, two ends of the glue injection hole (215) are respectively communicated with the glue injection groove (214) and the connecting groove (206), and the connecting pipe (213) is a corrugated hose.
10. A method of using a novel protective cover for a cable-stayed bridge cable according to any one of claims 1-9, characterized in that: the method comprises the following steps:
s1, the stay cable penetrates through the connecting hole (203) at one end, penetrates through the connecting holes (203) at the other end after penetrating through the inner connecting sleeve (102), and the protective sleeve is sleeved on the outer side of the stay cable;
s2, hanging and tensioning the stay cable, and installing and fixing the stay cable;
s3, injecting a proper amount of clear water into the water injection pipe (104) through the water inlet pipe (112), and enabling the water-absorbing resin in the filling layer (103) to absorb water and expand so as to enable the inner connecting sleeve (102) to be tightly attached to the inhaul cable;
s4, rotating adjusting rods (209) on two sides of the sealing head (201) at one end to enable two corresponding sealing blocks (204) to slide outwards the connecting hole (203), enabling the two sealing blocks (204) to slide and simultaneously approach each other until one end of the sealing block (204) far away from the connecting pipe (213) is attached to the inhaul cable, and similarly, rotating the adjusting rods (209) on two sides of the sealing head (201) at the other end to enable the sealing blocks (204) of the two sealing head mechanisms to be attached to the inhaul cable;
s5, injecting a proper amount of sealant into the glue injection groove (214) through the glue injection pipe (212), enabling the sealant to flow into the connecting groove (206) and the connecting hole (203) through the glue injection hole (215), and sealing the connecting position of the sealing block (204) and the inhaul cable, so that the connection of the protective sleeve and the inhaul cable can be completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010501568.7A CN111485484B (en) | 2020-06-04 | 2020-06-04 | Protective sleeve for cable-stayed bridge cable and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010501568.7A CN111485484B (en) | 2020-06-04 | 2020-06-04 | Protective sleeve for cable-stayed bridge cable and use method thereof |
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| Publication Number | Publication Date |
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| CN111485484A true CN111485484A (en) | 2020-08-04 |
| CN111485484B CN111485484B (en) | 2021-12-07 |
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| CN202010501568.7A Active CN111485484B (en) | 2020-06-04 | 2020-06-04 | Protective sleeve for cable-stayed bridge cable and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113403960A (en) * | 2021-07-14 | 2021-09-17 | 中建市政工程有限公司 | Cable-stayed bridge steel cable installation device and method |
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| CN2230007Y (en) * | 1995-08-31 | 1996-06-26 | 淄博市临淄镭射技术研究所 | Corrosion protection and thermal insulation composite pipe cover |
| EP1394456A1 (en) * | 2002-08-26 | 2004-03-03 | Formar S.A. | Plastic lined metal pipe and method of manufacture |
| CN202202259U (en) * | 2011-08-27 | 2012-04-25 | 上海浦江缆索股份有限公司 | Tube expansion sealing type guy cable |
| CN110993171A (en) * | 2019-12-13 | 2020-04-10 | 济南圣通电力线缆有限公司 | Cold-resistant corrosion-resistant flame-retardant anti-interference double-sheath cable |
| US10641981B1 (en) * | 2018-12-18 | 2020-05-05 | Sterlite Technologies Limited | Fiber multitube optical fiber cable |
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|---|---|---|---|---|
| CN2230007Y (en) * | 1995-08-31 | 1996-06-26 | 淄博市临淄镭射技术研究所 | Corrosion protection and thermal insulation composite pipe cover |
| EP1394456A1 (en) * | 2002-08-26 | 2004-03-03 | Formar S.A. | Plastic lined metal pipe and method of manufacture |
| CN202202259U (en) * | 2011-08-27 | 2012-04-25 | 上海浦江缆索股份有限公司 | Tube expansion sealing type guy cable |
| US10641981B1 (en) * | 2018-12-18 | 2020-05-05 | Sterlite Technologies Limited | Fiber multitube optical fiber cable |
| CN110993171A (en) * | 2019-12-13 | 2020-04-10 | 济南圣通电力线缆有限公司 | Cold-resistant corrosion-resistant flame-retardant anti-interference double-sheath cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113403960A (en) * | 2021-07-14 | 2021-09-17 | 中建市政工程有限公司 | Cable-stayed bridge steel cable installation device and method |
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| CN111485484B (en) | 2021-12-07 |
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Effective date of registration: 20211112 Address after: 412007 No. 88, Taishan West Road, Tianyuan District, Chenzhou City, Hunan Province Applicant after: Hunan University of Technology Applicant after: Changsha University of Technology Address before: 522000 No. 174, Nanmen West Road, Huilai County, Jieyang City, Guangdong Province Applicant before: Wu Wuji |
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