CN114772514A - Lifting device for bridge construction machinery - Google Patents
Lifting device for bridge construction machinery Download PDFInfo
- Publication number
- CN114772514A CN114772514A CN202210545197.1A CN202210545197A CN114772514A CN 114772514 A CN114772514 A CN 114772514A CN 202210545197 A CN202210545197 A CN 202210545197A CN 114772514 A CN114772514 A CN 114772514A
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- sliding
- rigid coupling
- bridge construction
- bottom plate
- lifting device
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- 238000010276 construction Methods 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 26
- 238000010168 coupling process Methods 0.000 claims description 26
- 238000005859 coupling reaction Methods 0.000 claims description 26
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
Abstract
The invention discloses a lifting device for bridge construction machinery, which comprises a movable frame; the lifting part is provided with two lifting parts, the two lifting parts are both arranged on the slide rail, and the two lifting parts are both in transmission connection with the slide rail; the fixing mechanisms are arranged on the two sides of the sliding rail respectively, each fixing mechanism comprises a regulating part fixedly connected to the top end of the movable frame, threaded sleeves are screwed at the two end parts of the regulating part, the two threaded sleeves are in sliding connection with the movable frame in a limiting mode, clamping parts are movably connected to the tail ends of the two threaded sleeves, and the two clamping parts are hinged to the movable frame.
Description
Technical Field
The invention relates to the technical field of lifting devices of bridge construction machinery, in particular to a lifting device of bridge construction machinery.
Background
The bridge refers to a building constructed for a road to cross natural or artificial obstacles, and in the process of erecting the bridge, workers need to reach the bottom end of the bridge body to carry out construction operation, and in the process, a lifting device is needed to transport the workers to the bottom end of the bridge body and lift the workers after the construction is finished.
But because current hoisting device is when using, inconvenient artificial adjusts change and spacing to its installation service position for hoisting device takes place holistic slope and rocks because of unilateral atress easily when using, leads to its material that promotes and staff's in-process to appear holistic rocking easily and drop, has serious construction potential safety hazard simultaneously.
Therefore, it is desirable to design a lifting device for bridge construction machinery to solve the above problems.
Disclosure of Invention
The invention aims to provide a lifting device of bridge construction machinery, which comprises,
a movable frame;
the lifting part is provided with two parts, the two lifting parts are both arranged on the slide rail, and the two lifting parts are both in transmission connection with the slide rail;
the fixing mechanism is provided with two, and two the fixing mechanism sets up respectively the both sides of slide rail, fixing mechanism includes the rigid coupling is in the regulating part on removal frame top, the equal spiro union in both ends of regulating part has the thread bush, two the thread bush all with remove the spacing sliding connection of frame, two the equal swing joint in end of thread bush has the clamping part, just two the clamping part all with it is articulated to remove the frame.
Preferably, the regulating part rigid coupling is in the fixed sleeving on removal frame top, fixed sleeving rotates in the rotation and is connected with the pivot, the equal coaxial rigid coupling in both ends of pivot has the lead screw, two the revolve to opposite, two the thread bush is respectively the thread bush and is established at two on the lead screw, fixed sleeving top rigid coupling has power component, the pivot with the power component transmission is connected.
Preferably, the power assembly comprises a second motor fixedly connected to the top end of the fixed sleeve, a second gear is fixedly connected to an output shaft of the second motor in a coaxial manner, a third gear is fixedly sleeved on the rotating shaft, and the second gear is meshed with the third gear.
Preferably, the clamping part comprises a connecting rod movably connected with the threaded sleeve far away from one end of the fixed sleeve, the bottom of the connecting rod is hinged to the movable frame, and the tail end of the connecting rod is hinged to a clamping disc.
Preferably, a sliding groove is formed in one side, close to the threaded sleeve, of the connecting rod, a second sliding block is connected in the sliding groove in a sliding mode, and the second sliding block is hinged to the threaded sleeve.
Preferably, the movable frame comprises a bottom plate, the bottom end of the bottom plate is rotatably connected with a plurality of movable wheels, the fixed sleeve and the slide rails are fixedly connected to the top end of the bottom plate, the connecting rod is hinged to the bottom plate, and the threaded sleeve is in limited sliding connection with the bottom plate.
Preferably, a top plate is arranged above the bottom plate, a plurality of supporting columns are arranged between the bottom plate and the top plate, two ends of each supporting column are fixedly connected with the bottom plate and the top plate respectively, and the sliding rails are fixedly connected to the bottom end of the top plate.
Preferably, the threaded sleeve is polygonal prism-shaped, a sliding sleeve is slidably sleeved on the outer side of the threaded sleeve, and the sliding sleeve is fixedly connected to the top end of the bottom plate.
Preferably, the lifting portion includes that the sliding connection is in first slider on the slide rail, first slider bottom rigid coupling has the hydraulic stem, the terminal rigid coupling of hydraulic stem has the framework, first slider lateral wall rigid coupling has drive assembly, drive assembly with slide rail transmission is connected.
Preferably, the driving assembly comprises a toothed plate fixedly connected to the sliding rail, a first motor is fixedly connected to the side wall of the first sliding block, a first gear is fixedly connected to the output shaft of the first motor, and the first gear is meshed with the toothed plate.
The invention discloses the following technical effects:
after the device is moved to a part to be constructed through the moving frame, the second motor is controlled to operate, the clamping part is enabled to clamp the bridge body, the device is fixed to the part to be constructed, the first motor and the hydraulic rod are controlled to enable the frame body to reach the position close to the top end of the bridge body, after workers enter the frame body, the first motor and the hydraulic rod are controlled to enable the workers to reach the construction position at the bottom end of the bridge body to carry out construction operation, when the construction operation is completed, the first motor and the hydraulic rod are controlled to lift the workers to the position close to the top end of the bridge body, the second motor is controlled to enable the clamping part not to clamp the bridge body any more after the workers come out of the frame body, and the device is moved to the next construction site through the moving frame to repeat the operation. This device can be convenient remove to the construction position, can embrace the pontic through the clamping part after reacing the construction position, fix this device on the pontic, the security in the follow-up staff use of guarantee can deliver to the pontic bottom with the staff through lifting unit, makes things convenient for the staff to carry out the operation in the pontic bottom, can promote the staff to the pontic top through lifting unit after the operation is accomplished.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of a lifting device of bridge construction machinery according to the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is an enlarged view of B in FIG. 1;
FIG. 4 is a top view of a lifting device of a bridge construction machine according to the present invention;
FIG. 5 is a schematic view of the connection between the sliding sleeve and the threaded sleeve according to the present invention;
FIG. 6 is a schematic view of the connection between the first slider and the slide rail according to the present invention;
FIG. 7 is a schematic view of the connection between the holding plate and the connecting rod according to the second embodiment of the present invention;
wherein, 1, a bottom plate; 2. a support column; 3. a top plate; 4. a toothed plate; 5. a slide rail; 6. a first motor; 7. a first slider; 8. a hydraulic rod; 9. a frame body; 10. a clamping plate; 11. a moving wheel; 12. fixing the sleeve; 13. a rotating shaft; 14. fixing the rod; 15. a first gear; 16. a second gear; 17. a second motor; 18. a third gear; 19. a chute; 20. a second slider; 21. a sliding sleeve; 22. a threaded sleeve; 23. a connecting rod; 24. a bridge body; 25. a spring; 26. and a lead screw.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
Referring to fig. 1 to 6, the present invention provides a lifting device for bridge construction machinery, comprising a moving frame;
the lifting part is provided with two sliding rails 5, the sliding rails 5 are fixedly connected with the moving frame, and the two lifting parts are both arranged on the sliding rails 5 and are in transmission connection with the sliding rails 5;
the fixing mechanism, fixing mechanism are provided with two, and two fixing mechanism set up respectively in the both sides of slide rail 5, and fixing mechanism includes that the rigid coupling is in the regulation portion that removes the frame top, and the equal spiro union in both ends of regulation portion has thread bush 22, and two thread bushes 22 all with remove the spacing sliding connection of frame, the equal swing joint in end of two thread bushes 22 has the clamping part, and two clamping parts all with remove the frame articulated.
Furthermore, the adjusting portion is fixedly connected to a fixed sleeve 12 at the top end of the movable frame, a rotating shaft 13 is rotatably connected to the fixed sleeve 12, two ends of the rotating shaft 13 are coaxially and fixedly connected with lead screws 26, the rotating directions of the two lead screws 26 are opposite, the two thread sleeves 22 are respectively in thread sleeve connection with the two lead screws 26, the top end of the fixed sleeve 12 is fixedly connected with a power assembly, and the rotating shaft 13 is in transmission connection with the power assembly.
Further, the power assembly includes a second motor 17 fixedly connected to the top end of the fixed sleeve 12, an output shaft of the second motor 17 is coaxially and fixedly connected to a second gear 16, a third gear 18 is fixedly sleeved on the rotating shaft 13, and the second gear 16 is engaged with the third gear 18.
The second motor 17 rotates to drive the second gear 16 coaxially and fixedly connected with the output shaft thereof to rotate, the second gear 16 drives the third gear 18 engaged therewith to rotate, the third gear 18 drives the rotating shaft 13 fixedly connected therewith to rotate, and further drives the screw rod 26 coaxially and fixedly connected with the rotating shaft 13 to rotate, and the threaded sleeve 22 is in threaded connection with the screw rod 26, and the threaded sleeve 22 is in limited sliding connection with the movable frame, so that the threaded sleeve 22 can be controlled to move along the horizontal direction, and further whether the clamping part clamps the bridge body 24 is controlled.
Furthermore, a through hole is formed at the top end of the fixed sleeve 12, and the second gear 16 penetrates through the fixed sleeve 12 through the through hole and is meshed with the third gear 18.
Further, the clamping part comprises a connecting rod 23 which is movably connected to one end, far away from the fixed sleeve 12, of the threaded sleeve 22, the bottom of the connecting rod 23 is hinged to the movable frame, and the tail end of the connecting rod 23 is hinged to the clamping disc 10.
Because the clamping disk 10 is hinged with the connecting rod 23, when the clamping disk 10 is contacted with the bridge 24, the angle can be automatically adjusted, so that the clamping disk 10 is better contacted with the bridge 24.
Furthermore, one side of the connecting rod 23 close to the threaded sleeve 22 is provided with a sliding groove 19, a second sliding block 20 is connected in the sliding groove 19 in a sliding manner, and the second sliding block 20 is hinged with the threaded sleeve 22.
When the control thread bush 22 moves on the horizontal position, because the second slider 20 slides in the sliding groove 19, and the second slider 20 is hinged with the thread bush 22, the connecting rod 23 can rotate around the hinged point between the connecting rod 14 and the fixed rod, and then the clamping disc 10 moves towards the direction close to the bridge body 24, after the clamping disc 10 is contacted with the bridge body 24, the device can be fixed at the appointed construction position of the bridge body 24, and the safety when the device is used is ensured.
Furthermore, the movable frame comprises a bottom plate 1, the bottom end of the bottom plate 1 is rotatably connected with a plurality of movable wheels 11, a fixed sleeve 12 and a sliding rail 5 are fixedly connected to the top end of the bottom plate 1, a connecting rod 23 is hinged to the bottom plate 1, and a threaded sleeve 22 is in limited sliding connection with the bottom plate 1. The whole device can be driven to move on the bridge body 24 through the moving frame, so that the device can be moved to a specified construction position more conveniently.
Furthermore, the connecting rod 23 is L-shaped, the chute 19 is arranged at the vertical section of the connecting rod 23, the bottom end of the bottom plate 1 is fixedly connected with the fixed rod 14, the bottom of the vertical section of the connecting rod 23 is hinged with the side wall of the fixed rod 14, and the clamping disc 10 is hinged at the tail end of the horizontal section of the connecting rod 23.
Further, bottom plate 1 top is provided with roof 3, is provided with a plurality of support columns 2 between bottom plate 1 and the roof 3, the both ends of support column 2 respectively with bottom plate 1 and roof 3 rigid coupling, slide rail 5 rigid coupling is in roof 3 bottom.
Further, thread bush 22 is the polygon prism form, and the sliding sleeve is equipped with sliding sleeve 21 outside thread bush 22, and sliding sleeve 21 rigid coupling is on bottom plate 1 top.
Further, the lift portion includes first slider 7 of sliding connection on slide rail 5, and 7 bottom rigid couplings of first slider have hydraulic stem 8, and 8 terminal rigid couplings of hydraulic stem have framework 9, and 7 lateral walls rigid couplings of first slider have drive assembly, and drive assembly and 5 transmission connections of slide rail.
Can control the distance between framework 9 and the pontic 24 through hydraulic stem 8, make the staff can reach the pontic 24 bottom and carry out the operation, can promote framework 9 after the operation is accomplished and come, transport the staff to the pontic 24 top.
Further, the driving assembly comprises a toothed plate 4 fixedly connected to the sliding rail 5, a first motor 6 is fixedly connected to the side wall of the first sliding block 7, a first gear 15 is fixedly connected to an output shaft of the first motor 6 coaxially, and the first gear 15 is meshed with the toothed plate 4.
The first motor 6 rotates to drive the first gear 15 to rotate, because the first gear 15 is meshed with the toothed plate 4, and the first sliding block 7 is in sliding connection with the sliding rail 5, the first sliding block 7 can be driven to be in sliding connection with the sliding rail 5, when the bridge is used, a worker enters the frame body 9, then the frame body 9 is conveyed to one side of the bridge 24, then the frame body 9 is lowered to a proper height, the frame body 9 is controlled to move to one side close to the bridge 24, the worker can reach an appointed construction part, the frame body 9 is lifted to a position close to the top end face of the bridge 24 after construction is completed, and the worker can reach the top end of the bridge 24.
Further, the slide rail 5 is T-shaped, the first slider 7 is in sliding connection with the horizontal section of the slide rail 5, the toothed plate 4 and the first gear 15 are both located between the first slider 7 and the vertical section of the slide rail 5, and the toothed plate 4 is fixedly connected to the top end of the horizontal section of the slide rail 5.
The working process comprises the following steps: after the device is moved to a part to be constructed through the moving frame, the second motor 17 is controlled to operate, the clamping part clamps the bridge 24, the device is fixed to the part to be constructed, the first motor 6 and the hydraulic rod 8 are controlled to enable the frame body 9 to reach a position close to the top end of the bridge 24, after a worker enters the frame body 9, the first motor 6 and the hydraulic rod 8 are controlled to enable the worker to reach the construction position at the bottom end of the bridge 24 to carry out construction operation, when the construction operation is completed, the first motor 6 and the hydraulic rod 8 are controlled to lift the worker to a position close to the top end of the bridge 24, the worker controls the second motor 17 after coming out of the frame body 9 to enable the clamping part not to clamp the bridge 24, and the device is moved to the next construction site through the moving frame to repeat the operation. This device can be convenient remove to the construction position, can embrace the pontic 24 through the clamping part after arriving the construction position, fix this device on pontic 24, guarantee the security in the follow-up staff use, can deliver to 24 bottoms of pontic with the staff through the lift portion, make things convenient for the staff to carry out the operation in 24 bottoms of pontic, can promote the staff to 24 tops of pontic through the lift portion after the operation is accomplished.
Example two
Referring to fig. 7, the difference between the second embodiment and the first embodiment is that a first hook ring is fixedly connected to the top end of the clamping plate 10, a second hook ring is fixedly connected to the connecting rod 23, a spring 25 is disposed between the first hook ring and the second hook ring, and two ends of the spring 25 are respectively fixedly connected to the first hook ring and the second hook ring.
Through setting up spring 25, can make the vertical setting of the horizontal segment of centre gripping dish 10 and connecting rod 23 at natural state to can make the centre gripping dish 10 better contact with pontic 24 in the use, guarantee the fixed effect of centre gripping.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are only intended to illustrate the preferred embodiments of the present invention, and not to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (10)
1. The utility model provides a bridge construction machinery hoisting device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a movable frame;
the lifting part is arranged above the moving frame, a sliding rail (5) is arranged above the moving frame, the sliding rail (5) is fixedly connected with the moving frame, two lifting parts are arranged on the lifting part, the two lifting parts are both arranged on the sliding rail (5), and the two lifting parts are both in transmission connection with the sliding rail (5);
the fixing mechanism is provided with two, two the fixing mechanism sets up respectively the both sides of slide rail (5), fixing mechanism includes the rigid coupling is in the regulation portion on removal frame top, the equal spiro union in both ends of regulation portion has thread bush (22), two thread bush (22) all with remove the spacing sliding connection of frame, two the equal swing joint in end of thread bush (22) has the clamping part, and two the clamping part all with it is articulated to remove the frame.
2. The bridge construction machine lifting device according to claim 1, wherein: the regulating part rigid coupling is in fixed sleeving (12) on removal frame top, fixed sleeving (12) internal rotation is connected with pivot (13), the equal coaxial rigid coupling in both ends of pivot (13) has lead screw (26), two the revolve to opposite, two of lead screw (26) thread bush (22) is the thread bush respectively and is established two on lead screw (26), fixed sleeving (12) top rigid coupling has power component, pivot (13) with the power component transmission is connected.
3. The bridge construction machine lifting device according to claim 2, wherein: power component includes the rigid coupling and is in second motor (17) on fixed sleeve (12) top, the coaxial rigid coupling of output shaft of second motor (17) has second gear (16), fixed cover is equipped with third gear (18) on pivot (13), second gear (16) with third gear (18) mesh mutually.
4. The bridge construction machine lifting device according to claim 2, wherein: the clamping part comprises a connecting rod (23) which is movably connected with the threaded sleeve (22) and is far away from one end of the fixed sleeve (12), the bottom of the connecting rod (23) is hinged with the movable frame, and the tail end of the connecting rod (23) is hinged with a clamping disc (10).
5. The bridge construction machine lifting device according to claim 4, wherein: one side of the connecting rod (23) close to the threaded sleeve (22) is provided with a sliding groove (19), a second sliding block (20) is connected in the sliding groove (19) in a sliding mode, and the second sliding block (20) is hinged to the threaded sleeve (22).
6. The bridge construction machine lifting device according to claim 4, wherein: the movable rack comprises a bottom plate (1), a plurality of movable wheels (11) are rotatably connected to the bottom end of the bottom plate (1), a fixed sleeve (12) and the sliding rail (5) are fixedly connected to the top end of the bottom plate (1), a connecting rod (23) is hinged to the bottom plate (1), and a threaded sleeve (22) is in limiting sliding connection with the bottom plate (1).
7. The bridge construction machine lifting device according to claim 6, wherein: the bottom plate (1) top is provided with roof (3), bottom plate (1) with be provided with a plurality of support columns (2) between roof (3), the both ends of support column (2) respectively with bottom plate (1) with roof (3) rigid coupling, slide rail (5) rigid coupling is in roof (3) bottom.
8. The bridge construction machine lifting device according to claim 6, wherein: thread bush (22) are the polygon prism form, the sliding sleeve is equipped with sliding sleeve (21) in thread bush (22) outside, sliding sleeve (21) rigid coupling is in bottom plate (1) top.
9. The bridge construction machine lifting device according to claim 1, wherein: the lift portion is including the sliding joint first slider (7) on slide rail (5), first slider (7) bottom rigid coupling has hydraulic stem (8), the terminal rigid coupling of hydraulic stem (8) has framework (9), first slider (7) lateral wall rigid coupling has drive assembly, drive assembly with slide rail (5) transmission is connected.
10. The bridge construction machine lifting device according to claim 9, wherein: the drive assembly comprises a toothed plate (4) fixedly connected to the sliding rail (5), a first motor (6) is fixedly connected to the side wall of the first sliding block (7), a first gear (15) is fixedly connected to the output shaft of the first motor (6) in a coaxial mode, and the first gear (15) is meshed with the toothed plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210545197.1A CN114772514B (en) | 2022-05-19 | 2022-05-19 | Bridge construction machinery hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210545197.1A CN114772514B (en) | 2022-05-19 | 2022-05-19 | Bridge construction machinery hoisting device |
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| Publication Number | Publication Date |
|---|---|
| CN114772514A true CN114772514A (en) | 2022-07-22 |
| CN114772514B CN114772514B (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210545197.1A Active CN114772514B (en) | 2022-05-19 | 2022-05-19 | Bridge construction machinery hoisting device |
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| US20160214842A1 (en) * | 2015-01-23 | 2016-07-28 | Jeremy Herauf | Unique roadworthy sidewalk boom trailer, having on-site interchangeable boom, on-site interchangeable ladder, and on-site interchangeable catwalk sized to access narrow openings and nooks over and under bridges |
| KR20160123514A (en) * | 2015-04-16 | 2016-10-26 | 영신기술 주식회사 | Moving Type Inspection Equipment of Bridge |
| CN107201719A (en) * | 2017-04-19 | 2017-09-26 | 上海市政建设有限公司 | Overpass anti-collision wall formwork hoisting conveyance and anti-collision wall construction method |
| KR102062489B1 (en) * | 2019-05-13 | 2020-01-06 | (주)리콘 | Bridge Spray Method Using A Bridge Check Vehicle And A Bridge Spray Method Using The Same |
| CN210975584U (en) * | 2019-10-28 | 2020-07-10 | 中国建筑第七工程局有限公司 | Bridge maintenance hanging ladder |
| CN113622296A (en) * | 2020-05-06 | 2021-11-09 | 邹美凤 | Adjustable bridge beam plate operating frame for bridge construction and adjusting method |
| CN112853973A (en) * | 2021-01-28 | 2021-05-28 | 陈彦峰 | Suspension type construction device for bridge construction and construction method thereof |
| CN216006616U (en) * | 2021-06-24 | 2022-03-11 | 武汉武桥鹏创重型装备工程有限公司 | Hanging basket suspension mechanism for bridge construction |
| CN113638313A (en) * | 2021-08-06 | 2021-11-12 | 徐州崇威桥梁工程有限公司 | Bridge engineering safety construction platform |
| CN113684757A (en) * | 2021-09-01 | 2021-11-23 | 安徽钰锋钢结构有限公司 | Bridge overhauls platform |
| KR102371638B1 (en) * | 2021-09-03 | 2022-03-07 | 주식회사 무진건설 | Rotational Uplift System of Bridges |
| CN113846556A (en) * | 2021-10-12 | 2021-12-28 | 交通运输部科学研究院 | Bridge safety detection device |
| CN113944112A (en) * | 2021-11-15 | 2022-01-18 | 广西科技大学 | Construction method for rebuilding and expanding bridge |
| CN216515131U (en) * | 2021-12-24 | 2022-05-13 | 中铁三局集团广东建设工程有限公司 | Movable bridge maintenance platform for central separation belt |
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