CN111893894A - Centering device for pre-buried holes of suspenders in tied-rod arch bridge - Google Patents
Centering device for pre-buried holes of suspenders in tied-rod arch bridge Download PDFInfo
- Publication number
- CN111893894A CN111893894A CN202010779159.3A CN202010779159A CN111893894A CN 111893894 A CN111893894 A CN 111893894A CN 202010779159 A CN202010779159 A CN 202010779159A CN 111893894 A CN111893894 A CN 111893894A
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- plate
- positioning
- arch bridge
- guide post
- centering device
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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
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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
- E01D4/00—Arch-type bridges
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- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Clamps And Clips (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a centering device for a pre-buried hole of a suspender in a tied-rod arch bridge, which comprises a pre-buried pipe, a clamping mechanism, a positioning mechanism and a rotating mechanism, wherein the surface of the pre-buried pipe is connected with the clamping mechanism in a sliding way, the positioning mechanism is arranged above the clamping mechanism, the rotating mechanism is fixedly arranged on the positioning mechanism and is used for clamping the pre-buried pipe, the positioning mechanism is used for carrying out central positioning, and the rotating mechanism is used for adjusting the angle of a laser positioning instrument. Not only can the centering fix, can also carry out eccentric positioning, satisfy various user demands, have extremely strong practical value.
Description
Technical Field
The invention relates to the technical field of bridge engineering, in particular to a centering device for a pre-buried hole of a suspender in a tied-rod arch bridge.
Background
The tied arch bridge is used as one member of the family of the arch bridge, has the general characteristics of the arch bridge, and has the unique characteristics of the tied arch bridge, the tied arch bridge combines the structural forms of an arch and a beam together to bear load, the structural performance and the combination effect of the bent and pressed beam are fully exerted, the tied arch bridge is constructed, the device in the pre-buried hole pair is an indispensable ring, the device in the traditional pre-buried hole pair is simple in overall structure, the tied arch bridge is not convenient to install and disassemble, in the actual use process, the pre-buried pipe is easy to shake, the positioning precision is low, various use requirements cannot be met, and the practical value is low.
Disclosure of Invention
The invention aims to provide a centering device for a pre-buried hole of a suspender in a tied arch bridge, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a centering device for a pre-buried hole of a suspender in a tied-rod arch bridge comprises a pre-buried pipe, a clamping mechanism, a positioning mechanism and a rotating mechanism, wherein the surface of the pre-buried pipe is connected with the clamping mechanism in a sliding manner, the positioning mechanism is arranged above the clamping mechanism, the rotating mechanism is fixedly arranged on the positioning mechanism, the pre-buried hole is formed in the middle of the pre-buried pipe, the clamping mechanism is arranged at the top of the pre-buried pipe and comprises a fixed plate, an installation seat, a groove, a movable block, a positioning pile, a push rod, a movable frame, a telescopic rod, a guide plate, a guide post, a positioning plate, a spring and a second positioning plate, the installation seat is fixedly arranged on the upper surface of the fixed plate, the groove is formed in the installation seat, the movable block is rotatably connected with the middle of the installation seat, the positioning pile is slidably connected with the side surface of the movable, the adjustable frame is hinged to the telescopic rod, a movable block is fixedly connected to one end of the telescopic rod, a guide plate is fixedly connected to the other end of the telescopic rod, the guide plate is connected with the fixed plate in a sliding mode, a guide post is fixedly mounted on the side face of the guide plate, the guide post is connected with a positioning plate in a sliding mode, the positioning plate is fixedly mounted on the fixed plate, a spring is fixedly connected to the side face of the positioning plate, and the other end of the spring is fixedly connected with a.
As a further scheme of the invention: and a clamping block is fixedly arranged on the side surface of the second positioning plate.
As a still further scheme of the invention: and a rotary base body is arranged on the side surface of the second positioning plate.
As a still further scheme of the invention: clamping mechanism's top is provided with positioning mechanism, positioning mechanism includes the transmission shaft, the backup pad, the cam, the parallel key, the gyro wheel, the second mount pad, the guide post, second spring and second clamp splice, it is connected with the transmission shaft to rotate on the rotatory base member, the transmission shaft rotates with the backup pad to be connected, parallel key and cam fixed connection are passed through on the top of transmission shaft, cam and backup pad butt, parallel key and gyro wheel butt, the gyro wheel rotates with the second mount pad to be connected, the side fixed mounting of second mount pad has the guide post, the surface mounting of guide post has the second spring, the guide post runs through the backup pad.
As a still further scheme of the invention: and a second clamping block is fixedly arranged at the shaft end of the guide post.
As a still further scheme of the invention: the rotating mechanism is fixedly arranged on the positioning mechanism and comprises a reversing plate, a cross connecting rod and a second reversing plate, the reversing plate is fixedly arranged on the surface of the second clamping block, the cross connecting rod is rotatably connected to the reversing plate, and the shaft end of the cross connecting rod is rotatably connected with the second reversing plate.
As a still further scheme of the invention: and a laser positioning instrument is fixedly mounted at the shaft end of the second reversing plate.
Compared with the prior art, the invention has the beneficial effects that: this device overall structure reasonable in design, be convenient for assemble in the in-service use process, the function is various, it presss from both sides tightly and dual positioning function to have, clamping mechanism carries out the fixed clamp to pre-buried pipe and tightly, prevent to take place to rock at the in-process that uses, three positioning mechanism collaborative work, can be quick fix a position, rotary mechanism can drive laser positioning appearance and swing, it is more accurate to make the location, and owing to can swing, make it when using, not only can the centering fix a position, can also carry out eccentric positioning, satisfy various user demands, extremely strong practical value has.
Drawings
Fig. 1 is a schematic structural diagram of a centering device for a pre-buried hole of a suspender in a tied arch bridge.
Fig. 2 is a schematic plan view of a top view of a clamping mechanism in a pair of boom pre-embedded holes in a tied arch bridge.
Fig. 3 is a schematic perspective view of a clamping mechanism in a pair of boom pre-buried holes in a tied arch bridge.
Fig. 4 is a schematic perspective view of a positioning mechanism in a pair of boom pre-buried holes in a tied arch bridge.
Fig. 5 is a schematic plan view of a top view of a positioning mechanism in a pair of boom pre-embedded holes in a tied arch bridge.
Fig. 6 is a schematic plan view of a front view of a rotation mechanism a in a boom pre-embedded hole pair in a tied arch bridge.
Fig. 7 is a schematic perspective view of a rotation mechanism a in a boom pre-buried hole pair in a tied arch bridge.
In the figure: the device comprises a pre-buried pipe 1, a pre-buried hole 2, a fixing plate 3, a mounting seat 4, a groove 5, a movable block 6, a positioning pile 7, a push rod 8, a movable frame 9, a telescopic rod 10, a guide plate 11, a guide post 12, a positioning plate 13, a spring 14, a second positioning plate 15, a clamping block 16, a rotating base body 17, a transmission shaft 18, a supporting plate 19, a cam 20, a flat key 21, a roller 22, a second mounting seat 23, a guide post 24, a second spring 25, a second clamping block 26, a reversing plate 27, a cross connecting rod 28, a second reversing plate 29 and a laser positioning instrument 30.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1 to 3, a structure diagram of a boom pre-buried hole centering device in a tied arch bridge according to an embodiment of the present invention includes a pre-buried pipe 1, a clamping mechanism, a positioning mechanism and a rotating mechanism, the surface of the pre-buried pipe 1 is slidably connected with the clamping mechanism, the positioning mechanism is disposed above the clamping mechanism, the rotating mechanism is fixedly mounted on the positioning mechanism, the pre-buried hole 2 is disposed in the middle of the pre-buried pipe 1, the clamping mechanism is mounted on the top of the pre-buried pipe 1, the clamping mechanism includes a fixing plate 3, a mounting seat 4, a groove 5, a movable block 6, a positioning pile 7, a push rod 8, a movable frame 9, a telescopic rod 10, a guide plate 11, a guide post 12, a positioning plate 13, a spring 14 and a second positioning plate 15, the mounting seat 4 is fixedly mounted on the upper surface of the fixing plate 3, the groove 5 is disposed on the mounting seat 4, the side surface of the movable block 6 is connected with a positioning pile 7 in a sliding manner, the positioning pile 7 is abutted against the groove 5, the side surface of the movable block 6 is fixedly provided with a push rod 8, the end part of the push rod 8 is hinged with a movable frame 9, the movable frame 9 is hinged with a telescopic rod 10, one end of the telescopic rod 10 is fixedly connected with the movable block 6, the other end of the telescopic rod 10 is fixedly connected with a guide plate 11, the guide plate 11 is connected with a fixed plate 3 in a sliding manner, the side surface of the guide plate 11 is fixedly provided with a guide post 12, the guide post 12 is connected with a positioning plate 13 in a sliding manner, the positioning plate 13 is fixedly arranged with the fixed plate 3, the side surface of the positioning plate 13 is fixedly connected with a spring 14, the other end of the spring 14 is fixedly connected with a second positioning plate 15, the side surface of the second positioning plate 15 is fixedly provided, the push rod 8 drives the movable frame 9 to do plane motion, the movable frame 9 pulls the telescopic rod 10 to move, the shaft extension end of the telescopic rod 10 contracts and slides along the inner wall, the telescopic rod 10 pulls the guide plate 11 to move, the guide plate 11 slides along the surface of the fixed plate 3, the guide plate 11 pulls the guide post 12 to slide along a hole on the positioning plate 13, the guide post 12 pulls the second positioning plate 15 to do translation, the spring 14 is stressed to compress and deform, the clamping block 16 moves along with the second positioning plate 15 to clamp the pre-buried pipe 1, meanwhile, the positioning pile 7 is popped out to be in sliding connection with the groove 5, the clamping mechanism is fixed to prevent sliding in the clamping process, when the push rod 8 is pulled anticlockwise, the positioning pile 7 rebounds back to the inside of the movable block 6, the push rod 8 drives the movable frame 9 to move, the movable frame 9 pushes the telescopic rod 10 to move, and the shaft end of, the telescopic link 10 promotes deflector 11 and slides along the surface of fixed plate 3, and deflector 11 promotes guide post 12 and slides along the hole of locating plate 13, and guide post 12 drives second locating plate 15 and moves to the outside, and second locating plate 15 drives the motion of grip block 16, and spring 14 atress is the tensile deformation to the outside this moment, and grip block 16 breaks away from the lateral wall of buried pipe 1 in advance.
As shown in fig. 1, 4 and 5, as a preferred embodiment of the present invention, a positioning mechanism is disposed above the clamping mechanism, the positioning mechanism includes a transmission shaft 18, a support plate 19, a cam 20, a flat key 21, a roller 22, a second mounting seat 23, a guide post 24, a second spring 25 and a second clamping block 26, a side surface of the second positioning plate 15 is provided with a rotating base 17, the rotating base 17 is rotatably connected with the transmission shaft 18, the transmission shaft 18 is rotatably connected with the support plate 19, a top end of the transmission shaft 18 is fixedly connected with the cam 20 through the flat key 21, the cam 20 is abutted with the support plate 19, the flat key 21 is abutted with the roller 22, the roller 22 is rotatably connected with the second mounting seat 23, the side surface of the second mounting seat 23 is fixedly provided with the guide post 24, a surface of the guide post 24 is provided with the second spring 25, the guide post 24 penetrates through the support plate 19, a shaft end of the guide post 24 is fixedly, during the use, rotatory base member 17 drives transmission shaft 18 and rotates, transmission shaft 18 drives cam 20 through flat key 21 and makes eccentric motion, cam 20 promotes gyro wheel 22 and moves, gyro wheel 22 drives second mount pad 23 and slides on the surface of backup pad 19, second mount pad 23 drives guide post 24 and slides along the hole in backup pad 19, second spring 25 atress compression deformation this moment, guide post 24 drives second clamp splice 26 and moves to the middle part, because three positioning mechanism moves jointly, can confirm the center of pre-buried hole 2 according to the triangle centering principle.
As shown in fig. 5 and 6, as another preferred embodiment of the present invention, the rotating mechanism is fixedly mounted on the positioning mechanism, the rotating mechanism includes a reversing plate 27, a cross link 28 and a second reversing plate 29, the reversing plate 27 is fixedly mounted on the surface of the second clamping block 26, the cross link 28 is rotatably connected to the reversing plate 27, the second reversing plate 29 is rotatably connected to the shaft end of the cross link 28, and the laser positioning instrument 30 is fixedly mounted at the shaft end of the second reversing plate 29, in use, when the cross link 28 rotates along the reversing plate 27, the laser positioning instrument swings in a plane, when the second reversing plate 29 rotates along the cross link 28, the angle of the vertical plane is adjusted, so as to drive the laser positioning instrument 30 to move, the three laser positioning instruments 30 emit laser to position the axis, and the three light spots converge, thereby improving the positioning accuracy.
The working principle of the invention is as follows: when the device is used, the push rod 8 is rotated clockwise, the push rod 8 drives the movable block 6 to move, the movable block 6 rotates along the fixed shaft of the mounting seat 4, the push rod 8 drives the movable frame 9 to do plane motion, the movable frame 9 pulls the telescopic rod 10 to move, the shaft extension end of the telescopic rod 10 contracts and slides along the inner wall, the telescopic rod 10 pulls the guide plate 11 to move, the guide plate 11 slides along the surface of the fixed plate 3, the guide plate 11 pulls the guide post 12 to slide along the hole on the positioning plate 13, the guide post 12 pulls the second positioning plate 15 to do translation, the spring 14 is stressed to compress and deform, the clamping block 16 moves along with the second positioning plate 15 to clamp the pre-buried pipe 1, the positioning pile 7 is popped out to be connected with the groove 5 in a sliding mode to fix the clamping mechanism and prevent sliding in the clamping process, when the push rod 8 is pulled anticlockwise, the positioning pile 7 rebounds to the, the push rod 8 drives the movable frame 9 to move, the movable frame 9 drives the telescopic rod 10 to move, the shaft end of the telescopic rod 10 extends outwards along the cylinder wall, the telescopic rod 10 drives the guide plate 11 to slide along the surface of the fixed plate 3, the guide plate 11 drives the guide post 12 to slide along the inner hole of the positioning plate 13, the guide post 12 drives the second positioning plate 15 to move outwards, the second positioning plate 15 drives the clamping block 16 to move, the spring 14 is stressed to stretch outwards and deform, the clamping block 16 is separated from the side wall of the pre-buried pipe 1, the rotating base body 17 drives the transmission shaft 18 to rotate, the transmission shaft 18 drives the cam 20 to do eccentric motion through the flat key 21, the cam 20 drives the roller 22 to move, the roller 22 drives the second mounting seat 23 to slide on the surface of the supporting plate 19, the second mounting seat 23 drives the guide post 24 to slide along the inner hole on the supporting, the guide post 24 drives the second clamping block 26 to move towards the middle, the three positioning mechanisms move together, the center of the embedded hole 2 can be determined according to the triangular centering principle, the cross connecting rod 28 swings in a plane when rotating along the reversing plate 27, when the second reversing plate 29 rotates along the cross connecting rod 28, the angle of the vertical plane is adjusted, the laser positioning instrument 30 is driven to move, laser is emitted by the three laser positioning instruments 30 to position the axis, three light spots converge, and the positioning precision is improved.
It should be noted that, the power utilization components, such as the power mechanism, etc., in the present application are all connected to the external controller, the external controller is the prior art, and the present application does not improve the external controller, so that the specific model, the circuit structure, etc., of the external controller need not be disclosed, and the integrity of the present application is not affected.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. A centering device for a pre-buried hole of a suspender in a tied-rod arch bridge comprises a pre-buried pipe (1), a clamping mechanism, a positioning mechanism and a rotating mechanism, and is characterized in that the surface of the pre-buried pipe (1) is connected with the clamping mechanism in a sliding manner, the positioning mechanism is arranged above the clamping mechanism, the rotating mechanism is fixedly arranged on the positioning mechanism, a pre-buried hole (2) is formed in the middle of the pre-buried pipe (1), the clamping mechanism is arranged at the top of the pre-buried pipe (1) and comprises a fixed plate (3), a mounting seat (4), a groove (5), a movable block (6), a positioning pile (7), a push rod (8), a movable frame (9), a telescopic rod (10), a guide plate (11), a guide column (12), a positioning plate (13), a spring (14) and a second positioning plate (15), the mounting seat (4) is fixedly arranged on the upper surface of the fixed plate (3), the, the middle part of mount pad (4) is rotated and is connected with movable block (6), the side sliding connection of movable block (6) has guide pile (7), guide pile (7) and recess (5) butt, the side fixed mounting of movable block (6) has push rod (8), the tip of push rod (8) articulates there is adjustable shelf (9), adjustable shelf (9) are articulated with telescopic link (10), the one end fixedly connected with movable block (6) of telescopic link (10), the other end fixedly connected with deflector (11) of telescopic link (10), deflector (11) and fixed plate (3) sliding connection, the side fixed mounting of deflector (11) has guide post (12), guide post (12) and locating plate (13) sliding connection, locating plate (13) and fixed plate (3) fixed mounting are in the same place, the side fixedly connected with spring (14) of locating plate (13), the other end fixed connection second locating plate (15) of spring (14).
2. A pre-buried hole centering device for a suspension rod in a tied arch bridge according to claim 1, characterized in that a clamping block (16) is fixedly mounted on the side of the second positioning plate (15).
3. A pre-buried hole centering device for a suspension rod in a tied arch bridge according to claim 1, characterized in that the side of the second positioning plate (15) is provided with a rotating base (17).
4. The centering device for the pre-buried hole of the suspender of the tied arch bridge as claimed in claim 3, wherein a positioning mechanism is arranged above the clamping mechanism, the positioning mechanism comprises a transmission shaft (18), a support plate (19), a cam (20), a flat key (21), a roller (22), a second mounting seat (23), a guide post (24), a second spring (25) and a second clamping block (26), the transmission shaft (18) is rotatably connected to the rotating base body (17), the transmission shaft (18) is rotatably connected to the support plate (19), the top end of the transmission shaft (18) is fixedly connected to the cam (20) through the flat key (21), the cam (20) is abutted to the support plate (19), the flat key (21) is abutted to the roller (22), the roller (22) is rotatably connected to the second mounting seat (23), the guide post (24) is fixedly mounted on the side surface of the second mounting seat (23), the surface of the guide post (24) is provided with a second spring (25), and the guide post (24) penetrates through the support plate (19).
5. The centering device for the embedded hole of the suspender of the tied arch bridge as claimed in claim 4, wherein the shaft end of the guide column (24) is fixedly provided with the second clamping block (26).
6. The centering device for the pre-buried hole of the suspender of the tied arch bridge as claimed in claim 1, wherein the rotating mechanism is fixedly arranged on the positioning mechanism, the rotating mechanism comprises a reversing plate (27), a cross connecting rod (28) and a second reversing plate (29), the reversing plate (27) is fixedly arranged on the surface of the second clamping block (26), the cross connecting rod (28) is rotatably connected on the reversing plate (27), and the shaft end of the cross connecting rod (28) is rotatably connected with the second reversing plate (29).
7. The centering device for the embedded hole of the suspender of the tied arch bridge as claimed in claim 6, wherein the laser positioning device (30) is fixedly arranged at the shaft end of the second reversing plate (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010779159.3A CN111893894B (en) | 2020-08-05 | 2020-08-05 | Centering device for pre-buried holes of suspenders in tied-rod arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010779159.3A CN111893894B (en) | 2020-08-05 | 2020-08-05 | Centering device for pre-buried holes of suspenders in tied-rod arch bridge |
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| Publication Number | Publication Date |
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| CN111893894A true CN111893894A (en) | 2020-11-06 |
| CN111893894B CN111893894B (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010779159.3A Active CN111893894B (en) | 2020-08-05 | 2020-08-05 | Centering device for pre-buried holes of suspenders in tied-rod arch bridge |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310883A (en) * | 2020-11-18 | 2021-02-02 | 国网山东省电力公司烟台供电公司 | Change distribution lines strain insulator combination tool with electricity |
| CN112661001A (en) * | 2021-01-08 | 2021-04-16 | 杨礼勇 | Stable and reliable steel structural section hoisting equipment |
| CN113306741A (en) * | 2021-04-16 | 2021-08-27 | 西安航空职业技术学院 | External winding inspection unmanned aerial vehicle and method based on deep learning |
| CN114163119A (en) * | 2021-12-10 | 2022-03-11 | 华能(泰安)光电科技有限公司 | Suspension device for optical fiber perform |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07247513A (en) * | 1994-03-09 | 1995-09-26 | Tokyo Seiko Co Ltd | Clamp structure for fastening cable intermediate part |
| CN204125844U (en) * | 2014-10-16 | 2015-01-28 | 中铁七局集团第三工程有限公司 | Tied arch bridge hanger rod embedded hole centralising device |
| CN204959598U (en) * | 2015-08-05 | 2016-01-13 | 中铁大桥科学研究院有限公司 | A device for detecting bridge jib |
| CN105780641A (en) * | 2016-04-20 | 2016-07-20 | 广东和立土木工程有限公司 | Three-section hinging type arch bridge suspender system with rigid rods combined with flexible cable |
| CN210975574U (en) * | 2019-10-16 | 2020-07-10 | 中交第一航务工程局有限公司 | Steel case arch rib assembling and positioning device |
-
2020
- 2020-08-05 CN CN202010779159.3A patent/CN111893894B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07247513A (en) * | 1994-03-09 | 1995-09-26 | Tokyo Seiko Co Ltd | Clamp structure for fastening cable intermediate part |
| CN204125844U (en) * | 2014-10-16 | 2015-01-28 | 中铁七局集团第三工程有限公司 | Tied arch bridge hanger rod embedded hole centralising device |
| CN204959598U (en) * | 2015-08-05 | 2016-01-13 | 中铁大桥科学研究院有限公司 | A device for detecting bridge jib |
| CN105780641A (en) * | 2016-04-20 | 2016-07-20 | 广东和立土木工程有限公司 | Three-section hinging type arch bridge suspender system with rigid rods combined with flexible cable |
| CN210975574U (en) * | 2019-10-16 | 2020-07-10 | 中交第一航务工程局有限公司 | Steel case arch rib assembling and positioning device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310883A (en) * | 2020-11-18 | 2021-02-02 | 国网山东省电力公司烟台供电公司 | Change distribution lines strain insulator combination tool with electricity |
| CN112310883B (en) * | 2020-11-18 | 2022-04-26 | 国网山东省电力公司烟台供电公司 | Change distribution lines strain insulator combination tool with electricity |
| CN112661001A (en) * | 2021-01-08 | 2021-04-16 | 杨礼勇 | Stable and reliable steel structural section hoisting equipment |
| CN112661001B (en) * | 2021-01-08 | 2023-11-21 | 大同市吉邦建筑新材料有限责任公司 | Stable and reliable steel structure section bar lifting equipment |
| CN113306741A (en) * | 2021-04-16 | 2021-08-27 | 西安航空职业技术学院 | External winding inspection unmanned aerial vehicle and method based on deep learning |
| CN114163119A (en) * | 2021-12-10 | 2022-03-11 | 华能(泰安)光电科技有限公司 | Suspension device for optical fiber perform |
| CN114163119B (en) * | 2021-12-10 | 2024-05-17 | 华能(泰安)光电科技有限公司 | Suspension device for optical fiber preform |
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| CN111893894B (en) | 2021-09-07 |
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