CN112227186A - Bridge inhaul cable anti-loosening device - Google Patents
Bridge inhaul cable anti-loosening device Download PDFInfo
- Publication number
- CN112227186A CN112227186A CN202011373914.4A CN202011373914A CN112227186A CN 112227186 A CN112227186 A CN 112227186A CN 202011373914 A CN202011373914 A CN 202011373914A CN 112227186 A CN112227186 A CN 112227186A
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- cable
- blocking
- fixing part
- worm
- frame
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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
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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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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Flexible Shafts (AREA)
Abstract
The invention discloses a bridge cable looseness-proof device, which comprises a fixed seat, wherein a cable fixing part is horizontally and slidably arranged in the fixed seat, a detection guide part for traction movement is arranged at one end of the movement direction of the cable fixing part, and a locking part for preventing the cable from returning is arranged at the other end of the movement direction of the cable fixing part, the bridge cable looseness-proof device increases the distance between the bottom of a bearing column and the bottom of a stay cable by arranging the cable fixing part which can be continuously fed in the fixed seat and increasing the distance between the two ends of the stay cable by feeding the cable fixing part, so that the elongation of the stay cable is compensated, the cable fixing part adopts a blocking frame for driving and feeding, a blocking block for preventing the cable from returning and blocking, and the front end adopts a mode of mutually combining a microswitch in the detection guide part and a guide rod, and after the feeding of the cable fixing, thereby preventing reverse feeding of the cable fixing portion.
Description
Technical Field
The invention relates to the technical field of bridge stay cable tensioning equipment, in particular to a bridge stay cable anti-loosening device.
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.
In use, the stay cable is pulled for a long time and is influenced by external temperature change, the axial length of the stay cable can be changed, but the initial length of each group of stay cables is inconsistent, the integral expansion amount of each stay cable is inconsistent, the actual bearing force inside each stay cable is inconsistent, the bearing force of part of the stay cables is seriously increased, the bearing force of part of the stay cables is seriously reduced, the internal damage of the stay cables is easy to cause, and the stay cables are seriously broken, so the stay cables are tensioned through auxiliary setting, the original bearing force of the stay cables can be maintained after the stay cables are axially extended, in the prior art, most of the stay cables rely on an elastic piece arranged between the stay cables and a fixed end, the elastic piece is used for storing energy through deformation under the initial state of the elastic piece, pretightening force is applied to the stay cables, and when the stay cables are axially extended, the extension amount of the stay cables is compensated through the deformation of the elastic piece, thereby guarantee that the bearing capacity of suspension cable is unchangeable, but when the suspension cable lasts the extension, the elastic energy storage of elastic component reduces gradually, causes the inside pretightning force of suspension cable not enough to resist the elongation of suspension cable, can not play original effect of preventing laxing, and the elastic component is in for a long time and receives the high pressure state, and its self loss is comparatively serious, needs regularly to maintain, and the cost is higher.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a bridge stay cable anti-loosening device, which realizes the stability of the internal bearing force of a stay cable by combining detection and locking after feeding and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a bridge inhaul cable looseness-preventing device comprises a fixed seat, wherein an inhaul cable fixing part is horizontally and slidably installed in the fixed seat, a detection guide part for traction movement is arranged at one end of the inhaul cable fixing part in the movement direction, and a locking part for preventing the inhaul cable from returning is arranged at the other end of the inhaul cable fixing part in the movement direction;
the locking part comprises a blocking frame and a lead screw, a first elastic piece is arranged between the blocking frame and the inhaul cable fixing part, a lead screw nut is arranged in the blocking frame in a rotating mode, the lead screw nut is installed in the leading screw in a meshed mode, the lead screw is fixedly installed with the fixing seat, the axis of the lead screw is consistent with the moving direction of the inhaul cable fixing part, and the outer portion of the lead screw nut is connected with a motor through a worm and gear speed reducing mechanism;
the locking part also comprises a plurality of groups of blocking blocks which are arranged in parallel, the blocking blocks are vertically and slidably installed in the fixed seat, an elastic body is arranged between the blocking blocks and the fixed seat, the blocking blocks of the groups are arranged along the movement direction of the cable fixing part, the end part, away from the detection guide part, of each blocking block is a wedge-shaped surface, the blocking frames sequentially pass through the blocking blocks from the upper part, when the blocking frames pass through, the blocking blocks at the corresponding positions are pressed downwards, the blocking blocks at the positions, where the blocking frames pass through, slide upwards under the action of the elastic body, and non-wedge-shaped surfaces of the blocking blocks are pressed and abutted against the blocking frames;
the detection guide part comprises a traction rope, one end of the traction rope is connected with the inhaul cable fixing part, the other end of the traction rope is connected with a freely-drooping balancing weight, a guide rod is arranged in the traction rope in a fixed mode, a rack is arranged on the guide rod along the motion direction, the guide rod is installed on the sleeve in a sliding mode, a micro switch combined with the rack is arranged in the sleeve in a fixed mode, the micro switch is electrically connected with the motor, and when the guide rod slides relative to the sleeve, the protruding position in the rack touches the micro switch.
As a preferred technical scheme of the present invention, a first worm gear is coaxially and fixedly arranged outside the lead screw nut, a first worm is meshed with the outside of the first worm gear, the first worm is rotatably mounted with the blocking frame, a second worm gear is coaxially and fixedly arranged at an end of the first worm, a second worm is meshed with the outside of the second worm gear, the second worm is rotatably mounted with the blocking frame, a spline shaft is coaxially and fixedly arranged at an end of the second worm, the motor is fixedly mounted with the fixed base, and an output end of the motor is provided with a spline sleeve coaxially and slidably mounted with the spline shaft;
through the speed reduction of the worm gear of two-stage, realize that the speed reduction of motor increases the turn round, drive lead screw nut through the motor and rotate, realize that lead screw nut promotes to block the motion of frame in lead screw axis direction, and through integral key shaft and the telescopic combination reality of spline, make motor and fixing base fixed mounting, and do not influence the power transmission between motor to the lead screw nut.
As a preferred technical scheme of the invention, a plurality of groups of dovetail groove-shaped sliding grooves are arranged in the fixed seat, and the lower end of the stay cable fixing part is provided with a sliding block matched with the dovetail groove;
through the spout design of dovetail groove shape, increase cable fixed part and the tensile ability of pulling out of fixing base in vertical direction.
As a preferred technical scheme of the invention, the detection guide part further comprises a pulley block therein, the pulley block comprises a fixed pulley and a movable pulley, the traction rope is wound between the fixed pulley and the movable pulley, the fixed pulley is rotatably mounted with the fixed seat, a pulley seat is arranged outside the movable pulley, the pulley seat is slidably mounted with the fixed seat, the pulley block is relatively fixedly connected with the cable fixing part, the free end of the traction rope is fixedly connected with the counterweight block, and a second elastic part is arranged between the counterweight block and the sleeve along the vertical direction;
through the structural design of assembly pulley, realize that the stroke of haulage rope is enlargied, the cable fixed part takes place the small displacement promptly, and the balancing weight end takes place big displacement promptly, and the less pulling force of balancing weight end can produce big traction force in cable fixed part end, thereby be convenient for detect the displacement of cable fixed part, and reduce the design weight of balancing weight, and through increasing the second elastic component, replace gravity to do work with partial elastic force, further reduce the design weight of balancing weight.
According to a preferable technical scheme, a plurality of groups of hinged joints are arranged on the upper end surface of the stay cable fixing part in an array mode along the movement direction, the hinged joints are rotatably provided with stay cable connecting parts, each stay cable connecting part comprises a connecting frame rotatably mounted with the corresponding stay cable fixing part, a penetrating threaded hole is formed in each connecting frame, a middle sleeve is arranged in each threaded hole in a threaded connection mode, one end of each middle sleeve extends to the outside of the corresponding threaded hole of each connecting frame, a locking nut is arranged on the part, located outside the corresponding threaded hole, of each middle sleeve, a stay cable penetrates through the corresponding middle sleeve, a third elastic piece is arranged between each stay cable and each middle sleeve along the axial line, and a plurality of groups of stay cables in each connecting frame;
join in marriage the portion through multiunit cable and link up with the cable fixed part respectively, with the impetus dispersion, the single-point atress of avoiding the impetus to concentrate to cause is too big, and link up the middle sleeve in the frame and adopt threaded connection, be convenient for carry out the relative position adjustment between the two, thereby adjust the pretightning force under the cable initial condition, and through the lock nut effect, telescopic double thread lock dies in the middle of the realization, and set up the third elastic component before cable and the middle sleeve, pretension is carried out to the cable, make the cable when taking place slight shake, can have certain buffer capacity.
Compared with the prior art, the invention has the beneficial effects that: this slack device is prevented to bridge cable is through the cable fixed part that can constantly feed in the setting in the fixing base, through feeding of cable fixed part, increase the interval of bearing column bottom and suspension cable bottom, thereby increase the interval at suspension cable both ends, thereby compensate the elongation of suspension cable, and the cable fixed part adopts and blocks the frame drive and feed, and adopt and block the piece and prevent back and block, and the front end adopts the mode that micro-gap switch and the guide arm inter combination in the detection guide portion, it feeds the back to detect the cable fixed part, the follow-up locking portion of active control follows up, thereby avoid cable fixed part reverse feed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of another angle of the structure of the present invention;
FIG. 3 is an assembled view of the latch portion of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is a schematic view of the screw assembly of the present invention;
FIG. 6 is a cross-sectional view taken at A of the present invention;
FIG. 7 is a cross-sectional view taken at B of the present invention;
FIG. 8 is an enlarged view of the invention at C.
In the figure: the cable locking device comprises a fixed seat 1, a cable fixing part 2, a locking part 3, a blocking frame 301, a spline shaft 302, a motor 303, a lead screw 304, a first elastic piece 305, a blocking block 306, a detection guide part 4, a pulley block 401, a guide rod 402, a sleeve 403, a microswitch 404, a counterweight 405, a second elastic piece 406, a cable connecting part 5, a connecting frame 501, a middle sleeve 502, a third elastic piece 503, a cable 504 and a locking nut 505.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a bridge inhaul cable anti-loosening device comprises a fixed seat 1, an inhaul cable fixing part 2 is horizontally and movably mounted in the fixed seat 1, a detection guide part 4 for traction movement is arranged at one end of the inhaul cable fixing part 2 in the moving direction, and a locking part 3 for preventing the inhaul cable from returning is arranged at the other end of the inhaul cable fixing part 2 in the moving direction;
the locking part 3 comprises a blocking frame 301 and a lead screw 304, a first elastic piece 305 is arranged between the blocking frame 301 and the cable fixing part 2, a lead screw nut is rotatably arranged in the blocking frame 301, the lead screw nut is meshed with the lead screw 304, the lead screw 304 is fixedly arranged with the fixed seat 1, the axis of the lead screw 304 is consistent with the movement direction of the cable fixing part 2, and the outside of the lead screw nut is connected with a motor 303 through a worm and gear speed reducing mechanism;
the locking part 3 further comprises a plurality of groups of blocking blocks 306 arranged in parallel, the blocking blocks 306 are vertically and slidably mounted in the fixing seat 1, an elastic body is arranged between the blocking blocks 306 and the fixing seat 1, the groups of blocking blocks 306 are arranged along the movement direction of the inhaul cable fixing part 2, the end part, away from the detection guide part 4, of one side of each blocking block 306 is a wedge-shaped surface, the blocking frame 301 sequentially passes over the blocking blocks 306, when the blocking frame 301 passes through, the blocking blocks 306 at the corresponding positions are pressed downwards, the blocking blocks 306 at the positions where the blocking frame 301 passes through slide upwards under the action of the elastic body, and the non-wedge-shaped surfaces of the blocking blocks 306 are pressed and abutted against the blocking frame 301;
A first worm wheel is coaxially and fixedly arranged outside the screw nut, a first worm is meshed with the outside of the first worm wheel, the first worm is rotatably installed with the blocking frame 301, a second worm wheel is coaxially and fixedly arranged at the end part of the first worm, a second worm is meshed with the outside of the second worm wheel, the second worm is rotatably installed with the blocking frame 301, a spline shaft 302 is coaxially and fixedly arranged at the end part of the second worm, a motor 303 is fixedly installed with the fixed seat 1, and a spline sleeve coaxially and slidably installed with the spline shaft 302 is arranged at the output end of the motor 303;
through the speed reduction of the worm gears of two stages, the speed reduction and torque increase of the motor 303 are realized, the motor 303 drives the screw nut to rotate, the screw nut pushes the blocking frame 301 to move in the axis direction of the screw 304, and the motor 303 and the fixing seat 1 are fixedly installed through the combination of the spline shaft 302 and the spline sleeve, and the power transmission from the motor 303 to the screw nut is not influenced.
A plurality of groups of dovetail groove-shaped sliding grooves are arranged in the fixed seat 1, and a sliding block matched with the dovetail grooves is arranged at the lower end of the inhaul cable fixing part 2;
through the spout design of dovetail groove shape, increase cable fixed part 2 and the tensile ability of pulling out of fixing base 1 on vertical direction.
The detection guide part 4 is internally provided with a pulley block, the pulley block comprises a fixed pulley and a movable pulley, a traction rope is wound between the fixed pulley and the movable pulley, the fixed pulley is rotatably installed with the fixed seat 1, a pulley seat is arranged outside the movable pulley, the pulley seat is installed with the fixed seat 1 in a sliding manner, the pulley block is relatively and fixedly connected with the inhaul cable fixing part 2, the free end of the traction rope is fixedly connected with a balancing weight 405, and a second elastic part 406 is arranged between the balancing weight 405 and the sleeve 403 along the vertical direction;
through the structural design of assembly pulley, realize that the stroke of haulage rope is enlargied, cable fixed part 2 takes place the small displacement promptly, and big displacement takes place promptly for balancing weight 405 end, and the less pulling force of balancing weight 405 end can produce big traction force at cable fixed part 2 ends, thereby be convenient for detect the displacement of cable fixed part 2, and reduce the design weight of balancing weight 405, and through increasing second elastic component 406, replace gravity with partial elastic force and do work, further reduce the design weight of balancing weight 405.
The upper end surface of the cable fixing part 2 is provided with a plurality of groups of hinged points along the motion direction array, the hinged points are rotatably provided with cable connecting parts 5, each cable connecting part 5 comprises a connecting frame 501 rotatably mounted with the cable fixing part 2, a through threaded hole is formed in the connecting frame 501, a middle sleeve 502 is arranged in the threaded hole through threaded connection, one end of the middle sleeve 502 extends to the outside of the threaded hole of the connecting frame 501, a locking nut 505 is arranged on the part of the middle sleeve 502 outside the threaded hole, a cable 504 is arranged in the middle sleeve 502 in a penetrating manner, a third elastic part 503 is arranged between the cable 504 and the middle sleeve 502 along the axis, and the cables 504 in the groups of connecting frames 501 are mutually twisted;
join in marriage portion 5 and link up with cable fixed part 2 respectively through the multiunit cable, with the impetus dispersion, the single-point atress that avoids the impetus to concentrate to cause is too big, and link up middle sleeve 502 in the frame 501 and adopt threaded connection, be convenient for carry out the relative position adjustment between the two, thereby adjust the pretightning force under the cable initial condition, and through lock nut 505 effect, realize the double thread lock of middle sleeve 502 and die, and set up third elastic component 503 before cable 504 and middle sleeve 502, pretension is carried out cable 504, make cable 504 when taking place slight shake, can have certain buffer capacity.
When the cable 504 is in use and axially extends, the pulling force on the cable fixing part 2 is reduced, the first elastic part 305 is in a compressed energy storage state and generates elastic deformation, the energy is released to push the cable fixing part 2 to feed, and at the moment, the balance weight 405 simultaneously pulls the traction rope in the detection guide part 4 to pull the cable fixing part 2 through the pulley block effect, when the cable fixing part 2 generates small displacement, the balance weight 405 cooperates with the traction rope and the guide rod 402 in the traction rope generates large displacement, the guide rod 402 generates relative displacement with the sleeve 403 when moving, the rack in the guide rod 402 is contacted with the micro switch 404 to send a plurality of groups of pulse signals to the motor 303, the motor 303 is controlled to rotate for a plurality of circles, after the speed and the torque are reduced and increased through the worm and gear reduction mechanism, the lead screw nut is driven to rotate, the feeding of the lead screw nut on the lead screw 304 is realized, and the, until the first elastic element 305 returns to the original energy storage state, in the process, the larger the relative displacement between the guide rod 402 and the sleeve 403 is, the more the pulse signal quantity is, that is, the more the number of turns of the motor 303 is, the larger the feeding quantity of the lead screw nut on the lead screw 304 is;
when the blocking frame 301 feeds along with the inhaul cable fixing part 2, the blocking block 306 is pressed downwards, after the blocking frame 301 runs, the rear blocking block 306 moves upwards under the action of the elastomer below to abut against the back of the blocking frame 301, and therefore the axial stress of the lead screw 304 is reduced;
meanwhile, the third elastic part 503 is arranged at the cable connecting part 5, when the cable 504 shakes, the energy is absorbed through slight deformation of the third elastic part 503, so that the change of the expansion amount caused by shaking is compensated, and the cable 504 is ensured to be in a tight state.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a locking relaxation device of bridge cable, includes fixing base (1), its characterized in that: a guy cable fixing part (2) is horizontally and movably arranged in the fixed seat (1), one end of the guy cable fixing part (2) in the moving direction is provided with a detection guide part (4) for traction movement, and the other end of the guy cable fixing part (2) in the moving direction is provided with a locking part (3) for preventing the guy cable from returning;
the locking part (3) comprises a blocking frame (301) and a lead screw (304), a first elastic piece (305) is arranged between the blocking frame (301) and the cable fixing part (2), a lead screw nut is rotatably arranged in the blocking frame (301), the lead screw nut is meshed with the lead screw (304) and fixedly arranged with the fixing seat (1), the axis of the lead screw (304) is consistent with the movement direction of the cable fixing part (2), and the outer part of the lead screw nut is connected with a motor (303) through a worm and gear reduction mechanism;
the locking part (3) further comprises a plurality of groups of blocking blocks (306) which are arranged in parallel, the blocking blocks (306) are arranged in the fixing seat (1) in a vertical sliding mode, an elastic body is arranged between the blocking blocks (306) and the fixing seat (1), the blocking blocks (306) of the groups are arranged along the moving direction of the inhaul cable fixing part (2), one side end part, far away from the detection guiding part (4), of each blocking block (306) is a wedge-shaped surface, the blocking frame (301) sequentially drives over the blocking blocks (306), when the blocking frame (301) passes through, the blocking blocks (306) in corresponding positions are pressed downwards, the blocking blocks (306) in the driving positions of the blocking frame (301) slide upwards under the action of the elastic body, and non-wedge-shaped surfaces of the blocking blocks (306) are pressed and abutted against the blocking frame (301);
detect guide portion (4) and include the haulage rope, the one end and the cable fixed part (2) of haulage rope are connected, the other end of haulage rope is connected with freely flagging balancing weight (405), the haulage rope internal fixation is provided with guide arm (402), guide arm (402) are provided with the rack along the direction of motion, guide arm (402) outside relative slip installation sleeve (403), sleeve (403) internal fixation is provided with micro-gap switch (404) that combine with the rack, micro-gap switch (404) are connected with motor (303) electricity, and when guide arm (402) and sleeve (403) relative slip, protruding position touches micro-gap switch (404) in the rack.
2. The bridge inhaul cable looseness-preventing device according to claim 1, wherein: the outside coaxial fixed of lead screw nut sets up first worm wheel, first worm wheel external toothing sets up first worm, first worm rotates the installation with barrier frame (301), the coaxial fixed second worm wheel that sets up of tip of first worm, the outside meshing of second worm wheel sets up the second worm, the second worm rotates the installation with barrier frame (301), the coaxial fixed integral key shaft (302) that sets up of second worm tip, motor (303) and fixing base (1) fixed mounting, the output of motor (303) sets up the spline sleeve with integral key shaft (302) coaxial sliding mounting.
3. The bridge inhaul cable looseness-preventing device according to claim 1, wherein: the fixing seat (1) is internally provided with a plurality of groups of dovetail groove-shaped sliding grooves, and the lower end of the inhaul cable fixing part (2) is provided with a sliding block matched with the dovetail grooves.
4. The bridge inhaul cable looseness-preventing device according to claim 1, wherein: still include the assembly pulley in detecting guide portion (4), the assembly pulley includes fixed pulley and movable pulley, the haulage rope winding is between fixed pulley and movable pulley, the fixed pulley rotates the installation with fixing base (1), the movable pulley outside sets up the pulley holder, pulley holder and fixing base (1) slidable mounting, assembly pulley and cable fixed part (2) fixed connection relatively, the free end and the balancing weight (405) fixed connection of haulage rope, set up second elastic component (406) along vertical direction between balancing weight (405) and sleeve (403).
5. A bridge stay cable slack-preventing device according to any one of claims 1 to 4, wherein: the upper end surface of the inhaul cable fixing part (2) is provided with a plurality of groups of hinge points along the motion direction in an array way, the hinge point is rotatably provided with a cable connecting part (5), the cable connecting part (5) comprises a connecting frame (501) rotatably arranged with the cable fixing part (2), a threaded hole is arranged in the connecting frame (501) in a penetrating way, a middle sleeve (502) is arranged in the threaded hole in a threaded connection way, one end of the middle sleeve (502) extends to the outside of the threaded hole of the engaging frame (501), the part of the middle sleeve (502) outside the threaded hole is provided with a locking nut (505), the inner part of the middle sleeve (502) is provided with a pulling cable (504) in a penetrating mode, a third elastic piece (503) is arranged between the pulling cable (504) and the middle sleeve (502) along the axis, and a plurality of groups of pulling cables (504) in the engaging frame (501) are mutually twisted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011373914.4A CN112227186B (en) | 2020-11-30 | 2020-11-30 | Bridge inhaul cable looseness prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011373914.4A CN112227186B (en) | 2020-11-30 | 2020-11-30 | Bridge inhaul cable looseness prevention device |
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| Publication Number | Publication Date |
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| CN112227186A true CN112227186A (en) | 2021-01-15 |
| CN112227186B CN112227186B (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011373914.4A Active CN112227186B (en) | 2020-11-30 | 2020-11-30 | Bridge inhaul cable looseness prevention device |
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| CN (1) | CN112227186B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174826A (en) * | 2021-05-10 | 2021-07-27 | 山东交通学院 | Combined bridge structure for expressway |
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| JPH0681313A (en) * | 1991-09-05 | 1994-03-22 | Kyokuto Kogen Concrete Shinko Kk | Vibration relaxing device for suspension cable |
| CN200961240Y (en) * | 2006-08-21 | 2007-10-17 | 中国京冶建设工程承包公司 | Prestress dragline loose-proof protection device |
| CN206446584U (en) * | 2016-12-19 | 2017-08-29 | 一汽海马汽车有限公司 | Cable slack surplus automatically adjusts device |
| KR101816199B1 (en) * | 2017-07-20 | 2018-02-21 | 비알테크(주) | Cable connecting apparatus adjustable cable tension using hydraulic cylinder |
| CN208183505U (en) * | 2017-12-13 | 2018-12-04 | 张致睿 | A kind of Anti-loose cable bridge |
| CN111472273A (en) * | 2020-04-27 | 2020-07-31 | 北京市建筑设计研究院有限公司 | Anti-guy cable loosening device and construction method thereof |
-
2020
- 2020-11-30 CN CN202011373914.4A patent/CN112227186B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0681313A (en) * | 1991-09-05 | 1994-03-22 | Kyokuto Kogen Concrete Shinko Kk | Vibration relaxing device for suspension cable |
| CN200961240Y (en) * | 2006-08-21 | 2007-10-17 | 中国京冶建设工程承包公司 | Prestress dragline loose-proof protection device |
| CN206446584U (en) * | 2016-12-19 | 2017-08-29 | 一汽海马汽车有限公司 | Cable slack surplus automatically adjusts device |
| KR101816199B1 (en) * | 2017-07-20 | 2018-02-21 | 비알테크(주) | Cable connecting apparatus adjustable cable tension using hydraulic cylinder |
| CN208183505U (en) * | 2017-12-13 | 2018-12-04 | 张致睿 | A kind of Anti-loose cable bridge |
| CN111472273A (en) * | 2020-04-27 | 2020-07-31 | 北京市建筑设计研究院有限公司 | Anti-guy cable loosening device and construction method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174826A (en) * | 2021-05-10 | 2021-07-27 | 山东交通学院 | Combined bridge structure for expressway |
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|---|---|
| CN112227186B (en) | 2022-09-13 |
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