CN113756192A - Bridge stay cable stretch-draw spike device - Google Patents
Bridge stay cable stretch-draw spike device Download PDFInfo
- Publication number
- CN113756192A CN113756192A CN202110960184.6A CN202110960184A CN113756192A CN 113756192 A CN113756192 A CN 113756192A CN 202110960184 A CN202110960184 A CN 202110960184A CN 113756192 A CN113756192 A CN 113756192A
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- cover plate
- fastening
- frame body
- lower cover
- assembly
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses a bridge stay cable stretching brace device, which relates to the technical field of bridge stay cables and comprises a vertical brace, a lower cover plate and an upper cover plate, wherein the vertical brace comprises an outer frame body and an inner frame body; the rotary component is arranged on the side part of the edge of the guide hole on the lower cover plate and is rotationally connected with the side part of the edge of the guide hole; the abutting adjusting component is arranged on the lower cover plate in a sliding manner and abuts against the inclined plane of the bottom side of the inner frame body; the push-pull assembly is arranged on the outer wall of the fastening assembly and is used for pushing and pulling the abutting adjusting assembly to move away from or close to the inner frame body by taking the rotation of the rotating assembly as power. The invention has simple structure, reasonable bearing stress, convenient adjustment of the height of the supporting foot device, adaptation to the installation size and stable integral installation of the equipment; the practicability is strong.
Description
Technical Field
The invention relates to the technical field of bridge stay cables, in particular to a bridge stay cable stretching brace device.
Background
The cable-stayed 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; the cable-stayed bridge mainly comprises a cable tower, a main beam and a stay cable.
The supporting feet are important components of tensioning equipment of cable-stayed bridge cable-changing engineering; the supporting foot is positioned between the jack and the anchor backing plate and is a core component of the tensioning equipment. One end face of each supporting foot is connected with the jack, the other end of each supporting foot is connected with the anchor backing plate, the existing supporting foot is integrated into a whole and is inconvenient to disassemble, and the whole supporting foot is heavy, fixed in height and size and incapable of adapting to various installation sizes.
Disclosure of Invention
The invention aims to provide a bridge stay cable tensioning brace device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a bridge stay cable stretching brace device comprises a vertical support, a lower cover plate and an upper cover plate, wherein the lower cover plate and the upper cover plate are correspondingly arranged at two end parts of the vertical support, guide holes for stay cables to pass through are formed in the centers of the lower cover plate and the upper cover plate, the vertical support comprises an outer frame body and an inner frame body, the inner frame body is arranged in the outer frame body and is in up-and-down sliding fit with the outer frame body, the lower cover plate is fixed at one end of the outer frame body, and the upper cover plate is fixed at the end part, far away from the lower cover plate, of the inner frame body; the rotary component is arranged on the side part of the edge of the guide hole on the lower cover plate and is rotationally connected with the side part of the edge of the guide hole; the abutting adjusting component is arranged on the lower cover plate in a sliding manner and abuts against the inclined plane of the bottom side of the inner frame body; the push-pull assembly is arranged on the outer wall of the fastening assembly and is used for pushing and pulling the abutting adjusting assembly to move away from or close to the inner frame body by taking the rotation of the rotating assembly as power; the lower cover plate, the guide hole, the rotating assembly, the upper cover plate and the vertical support are divided into two parts in a same diagonal dividing mode, wherein the outer frame body is divided into two parts which are fastened and connected through the fastening assembly.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the fastening assembly comprises two fastening strips and a plurality of first fastening bolts, the two fastening strips are respectively arranged at the side parts of a part of the outer frame body corresponding to the two fastening strips, the two fastening strips are abutted and provided with a plurality of screw holes in threaded fit with the first fastening bolts; the first fastening bolt is inserted into the screw hole in a threaded manner to fasten the two fastening laths.
In one alternative: the rotating assembly comprises a convex ring, a ring sleeve seat and a fastening member, the convex ring is fixed on the side wall of the edge of the guide hole and coaxial with the guide hole, the ring sleeve seat is rotatably sleeved on the convex ring, the push-pull assembly is arranged on the outer wall of the ring sleeve seat, and the fastening member is arranged at the bottom of the lower cover plate and used for fastening the ring sleeve seat with the lower cover plate after the ring sleeve seat rotates.
In one alternative: the fastening member comprises a fastening ring and a groove, the groove is formed in the bottom wall of the lower cover plate and is overlapped with the axis of the guide hole, the fastening ring is fixed to the bottom edge of the ring sleeve seat and is arranged in the groove, the end face of the fastening ring is flush with the bottom surface of the lower cover plate, fastening screw holes are formed in the inner wall of the groove and the fastening ring, and second fastening bolts are spirally inserted in the fastening screw holes.
In one alternative: the push-pull assembly comprises an elastic reset piece and a plurality of groups of pushing rotating rollers, the pushing rotating rollers are arranged on the outer wall of the ring sleeve seat, and the plurality of groups of pushing rotating rollers are in one-to-one correspondence with the plurality of abutting adjusting assemblies and abut against the plurality of abutting adjusting assemblies; the elastic reset piece is arranged between the abutting adjusting component and the convex ring and used for pulling the abutting adjusting component to move back when the pushing rotary roller rotates to be separated from the abutting adjusting component.
In one alternative: the abutting adjusting assembly comprises an abutting block and an upper inclined plane, the abutting block is arranged on the end face of the lower cover plate in a sliding mode and is connected with the push-pull assembly, the side face, facing the inner frame body, of the abutting block is provided with the upper inclined plane, and the bottom edge side of the inner frame body is provided with the lower inclined plane; the lower inclined plane is abutted against the opposite surface of the upper inclined plane.
In one alternative: at least one side hole is formed in each of the inner frame body and the outer frame body, and the side holes are of long strip structures and are consistent with the height direction of the supporting feet.
Compared with the prior art, the invention has the following beneficial effects:
the device is characterized in that the whole supporting foot device is divided into two parts by a diagonal line, so that the device can be conveniently detached and replaced during the replacement construction of the stay cable, the weight of a single component is reduced, when the rotating component is also divided into two parts and rotatably mounted on corresponding guide holes, the diagonal line on the lower cover plate can be arranged by rotating the rotating component to improve the connection strength of the lower cover plates of the two parts and the connection strength of the whole supporting foot device, the rotating component rotatably drives the push-pull component to move, so that the push-pull abutting adjusting component is pushed and held to be far away from or close to the inner frame body to slide, and the side surface of the abutting adjusting component abuts against the inclined surface of the bottom side of the inner frame body; the inner frame body can slide up and down in the outer frame body to adjust the height of the whole supporting foot device so as to adapt to the space between the jack and the anchor backing plate; the whole height adjustment is convenient and fast, the strength of the supporting foot can be increased, the inner frame body can be supported at multiple positions by the adjusting assembly, so that the load stress can be adjusted, the load component force borne by the supporting foot can be adjusted, the stress of each part can be adjusted, and the stability of the equipment can be improved. The invention has simple structure, reasonable bearing stress, convenient adjustment of the height of the supporting foot device, adaptation to the installation size and stable integral installation of the equipment; the practicability is strong.
Drawings
Fig. 1 is a schematic view of the overall structure of the device in one embodiment of the present invention.
FIG. 2 is a schematic view of a half-supporting leg structure according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a rotating assembly and a holding adjustment assembly in an embodiment of the invention.
FIG. 4 is a schematic view of a ring holder according to an embodiment of the present invention.
Notations for reference numerals: the outer frame body 1, the inner frame body 2, the lower inclined surface 21, the fastening component 3, the fastening lath 31, the first fastening bolt 32, the lower cover plate 4, the groove 41, the second fastening bolt 42, the guide hole 5, the rotating component 6, the convex ring 61, the ring sleeve seat 62, the fastening ring 622, the fastening screw hole 623, the pushing rotary roller 63, the elastic reset piece 64, the abutting adjusting component 7, the abutting block 71, the upper inclined surface 72, the upper cover plate 8 and the side hole 9.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments; in the drawings or the description, the same reference numerals are used for similar or identical parts, and the shape, thickness or height of each part may be enlarged or reduced in practical use. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
In one embodiment, as shown in fig. 1 and 2, a bridge stay cable stretching brace device comprises a vertical brace, a lower cover plate 4 and an upper cover plate 8, wherein the lower cover plate 4 and the upper cover plate 8 are correspondingly arranged at two ends of the vertical brace, the centers of the lower cover plate 4 and the upper cover plate 8 are both provided with guide holes 5 for stay cables to pass through, the vertical brace comprises an outer frame body 1 and an inner frame body 2, the inner frame body 2 is arranged in the outer frame body 1 and is in up-and-down sliding fit, the lower cover plate 4 is fixed at one end of the outer frame body 1, and the upper cover plate 8 is fixed at the end of the inner frame body 2 far away from the lower cover plate 4; the device also comprises a rotating component 6, a push-pull component and a plurality of abutting adjusting components 7, wherein the rotating component 6 is arranged at the side part of the side of the guide hole 5 on the lower cover plate 4 and is rotationally connected with the side part of the guide hole 5; the abutting adjusting component 7 is arranged on the lower cover plate 4 in a sliding manner and abuts against the bottom edge side inclined plane of the inner frame body 2; the push-pull assembly is arranged on the outer wall of the fastening assembly 3 and is used for pushing and pulling the abutting adjusting assembly 7 to slide away from or close to the inner frame body 2 by taking the rotation of the rotating assembly 6 as power; the lower cover plate 4, the guide hole 5, the rotating assembly 6, the upper cover plate 8 and the vertical support are divided into two parts in a same diagonal dividing mode, wherein the outer frame body 1 is divided into two parts which are fastened and connected through the fastening assembly 3;
in the implementation of this embodiment; the supporting foot device is arranged between a jack and an anchor backing plate in a stay cable structure, the whole supporting foot device is divided into two parts by diagonal lines, the stay cable can be conveniently detached and replaced during replacement construction, the weight of a single component is reduced, secondly, when the rotating component 6 is also divided into two parts and is rotatably arranged on the corresponding guide hole 5, the diagonal lines on the lower cover plate 4 can be arranged by rotating the rotating component 6, so that the connecting strength of the two parts of the lower cover plate 4 and the connecting strength of the whole supporting foot device are improved, when the rotating component 6 is manually operated to rotate, the push-pull component is driven to move, the push-pull abutting adjusting component 7 is pushed and pulled to move away from or close to the inner frame body 2 to slide, and the side surface of the abutting adjusting component 7 abuts against the inclined surface of the bottom side of the inner frame body 2; when the propping adjusting component 7 moves, the inner frame body 2 can slide up and down in the outer frame body 1 to adjust the height of the whole supporting foot device so as to adapt to the space between the jack and the anchor backing plate; the whole height is convenient to adjust, the strength of the supporting feet can be increased, and meanwhile, the supporting adjusting assembly 7 can support the inner frame body 2 at multiple positions to adjust the load stress and the load component force borne by the supporting feet, so that the stress of each part is adjusted, and the stability of the equipment is improved; as an embodiment, the left, right, up and down positions of the components shown in the drawings are only one arrangement, and the specific positions are set according to specific requirements;
in one embodiment, as shown in fig. 1 and fig. 2, the fastening assembly 3 includes two fastening strips 31 and a plurality of first fastening bolts 32, the two fastening strips 31 are respectively disposed at side portions of a portion of the outer frame 1 corresponding thereto, the two fastening strips 31 are abutted against each other and each have a plurality of screw holes spirally engaged with the first fastening bolts 32; a first fastening bolt 32 is screw-inserted into the screw hole to fasten the two fastening strips 31; the detachment of the temple bar assembly can be rapidly achieved by the abutment of the fastening strip 31 and the fastening of the first fastening bolt 32;
the fastening component 3 can be a buckle connection structure in the prior art besides the mechanism disclosed in the above embodiment;
in one embodiment, as shown in fig. 2 and 3, the rotating assembly 6 comprises a convex ring 61, a ring sleeve seat 62 and a fastening member, the convex ring 61 is fixed on the side wall of the edge of the guiding hole 5 and is coaxial with the guiding hole 5, the ring sleeve seat 62 is rotatably sleeved on the convex ring 61 and the push-pull assembly is arranged on the outer wall of the ring sleeve seat 62, and the fastening member is arranged at the bottom of the lower cover plate 4 and is used for fastening the ring sleeve seat 62 with the lower cover plate 4 after rotating; the ring sleeve seat 62 can reinforce the connection of the two convex rings 61 when rotating to the joint of the two convex rings 61, and the fastening member fastens the ring sleeve seat 62 and the lower cover plate 4 to ensure the stable state after the height of the supporting foot is adjusted;
the rotating assembly 6 can be a combination of a ring groove and a support ring besides the mechanism disclosed in the embodiment, the ring groove is arranged on the lower cover plate 4 and takes the circle center of the guide hole 5 as the center, the support ring is arranged in the ring groove and rotates, and the push-pull assembly is arranged on the support ring; the fastening member can fasten the support ring in the ring groove;
in one embodiment, as shown in fig. 2-4, the fastening member includes a fastening ring 622 and a groove 41, the groove 41 is disposed on the bottom wall of the lower cover plate 4 and coincides with the axis of the guiding hole 5, the fastening ring 622 is fixed to the bottom edge of the ring sleeve seat 62 and is disposed in the groove 41, the end surface of the fastening ring 622 is flush with the bottom surface of the lower cover plate 4, fastening screw holes 623 are disposed on the inner wall of the groove 41 and the fastening ring 622, and second fastening bolts 42 are screwed into the fastening screw holes 623; the fastening of the ring housing 62 is realized by screwing the second fastening bolt 42 into the fastening screw hole 623;
in one embodiment, as shown in fig. 3, the push-pull assembly includes an elastic reset member 64 and a plurality of sets of pushing rollers 63, the pushing rollers 63 are disposed on the outer wall of the ring sleeve seat 62, and the plurality of sets of pushing rollers 63 are in one-to-one correspondence with and abut against the plurality of abutting adjustment assemblies 7; the elastic reset piece 64 is arranged between the abutting adjusting component 7 and the convex ring 61 and is used for pulling the abutting adjusting component 7 to move back when the pushing rotary roller 63 rotates to be separated from the abutting adjusting component 7; the pushing rotating rollers 63 rotate on the ring sleeve base 62 along with the convex ring 61, so that each group of pushing rotating rollers 63 can abut against the abutting adjusting component 7 to push the abutting adjusting component 7 to move towards the inner frame body 2 or separate from the abutting adjusting component 7, and the elastic resetting piece 64 is used for driving the abutting adjusting component 7 to move back; thereby realizing the movement of the push-pull abutting adjusting component 7; wherein, the elastic restoring piece 64 is a spring or an arch-shaped support rod;
the push-pull component can be a push-pull supporting rod besides the structure disclosed in the embodiment, and two ends of the push-pull supporting rod are respectively hinged with the side walls of the abutting adjusting component 7 and the rotating component 6;
in one embodiment, as shown in fig. 2 and 3, the abutting adjustment assembly 7 includes an abutting block 71 and an upper inclined surface 72, the abutting block 71 is slidably disposed on the end surface of the lower cover plate 4 and connected to the push-pull assembly, the side surface of the abutting block 71 facing the inner frame 2 is provided with the upper inclined surface 72, and the bottom side of the inner frame 2 is provided with the lower inclined surface 21; the opposite surfaces of the lower inclined surface 21 and the upper inclined surface 72 are abutted; when the pressing block 71 moves towards the inner frame 2, the inner frame 2 is pushed to move upwards by the contact between the upper inclined surface 72 and the surface of the lower inclined surface 21; thereby realizing the adjustment of the height of the supporting leg;
in one embodiment, as shown in fig. 2, at least one side hole 9 is formed on each of the side walls of the inner frame body 2 and the outer frame body 1, and the side hole 9 is in a long strip structure and is consistent with the height direction of the supporting foot; the arrangement of the side holes 9 can increase the stress rationality of the outer frame body 1 and the inner frame body 2 and increase the operation space in the supporting foot.
The embodiment discloses a bridge stay cable stretching and supporting foot device, because the whole supporting foot device is divided into two parts by diagonal lines, the stay cable can be conveniently detached and replaced during the replacement construction of the stay cable, and the weight of a single component is reduced, secondly, when the rotating component 6 is also divided into two parts and is rotatably arranged on the corresponding guide hole 5, the diagonal lines arranged on the lower cover plate 4 can be enabled to improve the connection strength of the two parts of the lower cover plate 4 and the connection strength of the whole supporting foot device by rotating the rotating component 6, when the rotating component 6 is manually operated to rotate, the push-pull component is driven to move, the push-pull abutting adjusting component 7 is pushed and pulled to move away from or close to the inner frame body 2 to slide, and the side surface of the abutting adjusting component 7 abuts against the inclined plane of the bottom side of the inner frame body 2; when the propping adjusting component 7 moves, the inner frame body 2 can slide up and down in the outer frame body 1 to adjust the height of the whole supporting foot device so as to adapt to the space between the jack and the anchor backing plate; the whole height adjustment is convenient and fast, the strength of the supporting feet can be increased, the inner frame body 2 can be supported at multiple positions by the supporting adjusting assembly 7, so that the load stress and the load component force borne by the supporting feet can be adjusted, the stress of each part can be adjusted, and the stability of the equipment can be improved.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (7)
1. A bridge stay cable stretching brace device comprises a vertical support, a lower cover plate and an upper cover plate, wherein the lower cover plate and the upper cover plate are correspondingly arranged at two end parts of the vertical support, and guide holes for stay cables to pass through are formed in the centers of the lower cover plate and the upper cover plate;
the inner frame body is arranged in the outer frame body and is in up-and-down sliding fit, the lower cover plate is fixed at one end of the outer frame body, and the upper cover plate is fixed at the end part, far away from the lower cover plate, of the inner frame body;
the device also comprises a rotating component, a push-pull component and a plurality of propping and adjusting components;
the rotating assembly is arranged on the side part of the edge of the guide hole on the lower cover plate and is rotationally connected with the side part of the edge of the guide hole;
the abutting adjusting component is arranged on the lower cover plate in a sliding manner and abuts against the inclined plane of the bottom side of the inner frame body;
the push-pull assembly is arranged on the outer wall of the fastening assembly and is used for pushing and pulling the abutting adjusting assembly to move away from or close to the inner frame body by taking the rotation of the rotating assembly as power;
the lower cover plate, the guide hole, the rotating assembly, the upper cover plate and the vertical support are divided into two parts in a same diagonal dividing mode, wherein the outer frame body is divided into two parts which are fastened and connected through the fastening assembly.
2. A bridge stay cable tension brace apparatus as defined in claim 1 wherein said fastening assembly comprises two fastening strips and a plurality of first fastening bolts;
the two fastening laths are respectively arranged at the side parts of the corresponding part of the outer frame body, and are abutted and provided with a plurality of screw holes in threaded fit with the first fastening bolts;
the first fastening bolt is inserted into the screw hole in a threaded manner to fasten the two fastening laths.
3. A bridge stay cable tension brace apparatus as defined in claim 1 wherein the swivel assembly comprises a male ring, a ring housing and a fastening member;
the convex ring is fixed on the side wall of the edge of the guide hole and is coaxial with the guide hole,
the ring sleeve seat is rotatably sleeved on the convex ring, and the push-pull assembly is arranged on the outer wall of the ring sleeve seat;
the fastening member is arranged at the bottom of the lower cover plate and is used for fastening the ring sleeve seat with the lower cover plate after the ring sleeve seat rotates.
4. A bridge stay cable tension brace apparatus as defined in claim 3 wherein the fastening means comprises a fastening ring and a groove;
the groove is arranged on the bottom wall of the lower cover plate and is overlapped with the axis of the guide hole, the fastening ring is fixed on the bottom edge of the ring sleeve seat and is arranged in the groove, and the end face of the fastening ring is flush with the bottom surface of the lower cover plate;
fastening screw holes are formed in the inner wall of the groove and the fastening ring, and second fastening bolts are inserted into the fastening screw holes in a spiral mode.
5. The bridge stay cable tension brace device of claim 4, wherein the push-pull assembly comprises an elastic reset member and a plurality of groups of push rollers;
the pushing rotary rollers are arranged on the outer wall of the ring sleeve seat, and the multiple groups of pushing rotary rollers are in one-to-one correspondence with and abut against the multiple abutting adjusting components;
the elastic reset piece is arranged between the abutting adjusting component and the convex ring and used for pulling the abutting adjusting component to move back when the pushing rotary roller rotates to be separated from the abutting adjusting component.
6. A bridge stay cable tension brace device as claimed in claim 5, wherein the abutting adjustment assembly comprises an abutting block and an upper inclined surface, the abutting block is slidably arranged on the end surface of the lower cover plate and connected with the push-pull assembly, the side surface of the abutting block facing the inner frame body is provided with the upper inclined surface, and the bottom edge side of the inner frame body is provided with the lower inclined surface; the lower inclined plane is abutted against the opposite surface of the upper inclined plane.
7. A bridge stay cable tension brace device according to any one of claims 1 to 6, wherein the side walls of the inner frame body and the outer frame body are respectively provided with at least one side hole, and the side holes are of a long strip structure and are consistent with the height direction of the brace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110960184.6A CN113756192B (en) | 2021-08-20 | 2021-08-20 | Bridge stay cable stretch-draw spike device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110960184.6A CN113756192B (en) | 2021-08-20 | 2021-08-20 | Bridge stay cable stretch-draw spike device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113756192A true CN113756192A (en) | 2021-12-07 |
| CN113756192B CN113756192B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110960184.6A Active CN113756192B (en) | 2021-08-20 | 2021-08-20 | Bridge stay cable stretch-draw spike device |
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| CN (1) | CN113756192B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001323660A (en) * | 2000-05-12 | 2001-11-22 | Nippon Steel Corp | Tension adjusting device for tension member |
| CN101392599A (en) * | 2008-10-29 | 2009-03-25 | 东南大学 | Stay stretching bias-jointing force transmission beam |
| CN203452003U (en) * | 2013-07-24 | 2014-02-26 | 武汉二航路桥特种工程有限责任公司 | Supporting lug device for tensioning of bridge stay cable |
| CN110029582A (en) * | 2019-05-16 | 2019-07-19 | 中铁十五局集团第一工程有限公司 | A kind of device and method for the double sunpender synchronous tensions of bowstring arch bridge |
| CN211257108U (en) * | 2019-12-02 | 2020-08-14 | 山东建勘集团有限公司 | Building device of anchor rod internal force monitoring system |
| CN111851153A (en) * | 2019-04-28 | 2020-10-30 | 北京华铁时代建设发展有限公司 | Supporting device and using method thereof |
-
2021
- 2021-08-20 CN CN202110960184.6A patent/CN113756192B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001323660A (en) * | 2000-05-12 | 2001-11-22 | Nippon Steel Corp | Tension adjusting device for tension member |
| CN101392599A (en) * | 2008-10-29 | 2009-03-25 | 东南大学 | Stay stretching bias-jointing force transmission beam |
| CN203452003U (en) * | 2013-07-24 | 2014-02-26 | 武汉二航路桥特种工程有限责任公司 | Supporting lug device for tensioning of bridge stay cable |
| CN111851153A (en) * | 2019-04-28 | 2020-10-30 | 北京华铁时代建设发展有限公司 | Supporting device and using method thereof |
| CN110029582A (en) * | 2019-05-16 | 2019-07-19 | 中铁十五局集团第一工程有限公司 | A kind of device and method for the double sunpender synchronous tensions of bowstring arch bridge |
| CN211257108U (en) * | 2019-12-02 | 2020-08-14 | 山东建勘集团有限公司 | Building device of anchor rod internal force monitoring system |
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| CN113756192B (en) | 2023-03-21 |
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