CN112265916A - Adjusting device is used in hoist and mount of assembled bridge - Google Patents
Adjusting device is used in hoist and mount of assembled bridge Download PDFInfo
- Publication number
- CN112265916A CN112265916A CN202011080268.2A CN202011080268A CN112265916A CN 112265916 A CN112265916 A CN 112265916A CN 202011080268 A CN202011080268 A CN 202011080268A CN 112265916 A CN112265916 A CN 112265916A
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- China
- Prior art keywords
- fixedly connected
- motor
- guide wheel
- fixing frame
- connecting plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 239000010687 lubricating oil Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims 1
- 210000001503 joint Anatomy 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/14—Trolley or crane travel drives
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an adjusting device for hoisting an assembled bridge, which belongs to the technical field of bridge building tools and comprises two first cross beams, two second cross beams, two first inclined rods, two first vertical rods, two hoisting machines and two moving mechanisms, wherein one second cross beam is fixedly connected to one end of each pair of first cross beams, the other second cross beam is fixedly connected to the other end of each pair of first cross beams, the first vertical rods are fixedly connected to the bottom ends of the second cross beams, the first cross beams are fixedly connected with distribution boxes, the two moving mechanisms are slidably connected to the first cross beams; the moving mechanism comprises a first fixing frame, a second connecting plate, a first guide wheel, a second guide wheel, a third guide wheel, a connecting piece and a first motor; the invention can stably adjust the position of the assembled bridge during hoisting, and is convenient for the rapid butt joint of the ends of the assembled bridge.
Description
Technical Field
The invention relates to the technical field of bridge building tools, in particular to an adjusting device for hoisting an assembled bridge.
Background
A bridge generally refers to a building erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass, in order to adapt to the modern high-speed developed traffic industry, the bridge is also extended to be a building erected to span mountain edges, bad geology or meet other traffic requirements to enable traffic to be more convenient, particularly a high-speed rail line of railway traffic, an assembly bridge is adopted for construction, a bridge abutment, a bridge pier and a foundation are poured in a planned line, then a box type bridge prefabricated by a laying factory is hoisted, the construction period is greatly shortened, but when the assembly bridge is hoisted at present, a steel wire rope used by a hoisting appliance needs to be used for stably keeping the hoisting process to be stably carried out when the bridge is hoisted, but when the bridge falls on the bridge abutment, the position deviation of the bridge can meet the technical requirements only through multiple times of adjustment, particularly the butt joint of the end joints of the assembly bridge, if the position deviation is large, the installation of the anchoring steel strand can be influenced, so that the construction period is prolonged, and the bridge is always in a suspended state when the bridge support is installed, so that the safety construction of technicians is not facilitated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the adjusting device for hoisting the assembly type bridge, which can stably adjust the position of the assembly type bridge during hoisting and is convenient for the quick butt joint of the end head of the assembly type bridge.
The purpose of the invention can be realized by the following technical scheme:
an adjusting device for hoisting an assembled bridge comprises two first cross beams, two second cross beams, two first inclined rods, two first vertical rods, a hoisting machine and a moving mechanism, wherein one second cross beam is fixedly connected to one end of each pair of first cross beams, the other second cross beam is fixedly connected to the other end of each pair of first cross beams, the first vertical rods are fixedly connected to the bottom ends of the second cross beams, a distribution box is fixedly connected to each first cross beam, the number of the moving mechanisms is two, the moving mechanism is slidably connected to each first cross beam, a first connecting plate is fixedly connected to the bottom end of each moving mechanism, the hoisting machine is fixedly connected to the bottom end of each first connecting plate, the first inclined rods are fixedly connected to the first vertical rods, and shock absorbing pads are arranged at the bottom ends of the first vertical rods;
the moving mechanism comprises a first fixing frame, a second connecting plate, a first guide wheel, a second guide wheel, a third guide wheel, a connecting piece and a first motor, the number of the second fixing frame is two, the second fixing frame is fixedly connected to the first fixing frame, the first fixing frame is provided with a pair of first through holes, the number of the first guide wheel is two, the first guide wheel is rotatably connected to the first fixing frame, the first guide wheel is positioned in the first through holes, the first fixing frame is provided with a pair of second through holes, the second guide wheel is rotatably connected to the first fixing frame, the second guide wheel is positioned in the second through holes, the first motor is fixed at one end of the first fixing frame, the first motor is provided with a driving gear, a rotating shaft of the second guide wheel is provided with a driven gear, and the driving gear is meshed with the driven gear, the second connecting plate is fixedly connected to the bottom end of the second fixing frame, the connecting piece is fixedly connected to the second connecting plate through bolts, and the third guide wheel is fixedly connected to the connecting piece.
As a preferable scheme of the present invention, the first connecting plate is fixedly connected to a bottom end of the second connecting plate, the crane includes a crane frame, a second motor, a hook, and a lifting rope, the second motor is fixedly connected to the frame, and the second motor drives the hook to move through the lifting rope.
As a preferable aspect of the present invention, the first motor is a servo motor, the first motor is electrically connected to an external power supply, the second motor is an ac motor, and the second motor is electrically connected to the external power supply.
As a preferable scheme of the present invention, the rotating shafts of the first guide wheel, the second guide wheel and the third guide wheel are coated with lubricating oil, the first fixing frame and the second fixing frame are made of stainless steel, and the driving gear and the driven gear are coated with lubricating oil.
As a preferable scheme of the present invention, the first guide wheel, the second guide wheel and the third guide wheel are all made of ultra-high molecular weight polyethylene, and the first cross beam is provided with a guide wheel groove.
According to a preferable scheme of the invention, the distribution box is made of an aluminum alloy material, a transformer is arranged in the distribution box, and the distribution box is provided with a heat dissipation vent hole.
The invention has the beneficial effects that:
the device is provided with a moving mechanism, the moving mechanism moves on a first cross beam, the moving mechanism is used for driving a crane to move in the horizontal direction, a distribution box provides power for a first motor in the moving mechanism, the first vertical rod is fixedly connected to the first vertical rod, the first vertical rod is used for improving the stability of the device, the first motor of the moving mechanism drives a driving gear to rotate, the driving gear drives a driven gear to rotate, the driven gear drives a second guide wheel to rotate, so that the moving mechanism moves on the first cross beam, the height of the connecting piece in the vertical direction of a second connecting plate is adjusted by adjusting a bolt on the connecting piece, the contact compactness of the third guide wheel and the first cross beam is realized, and the movement stability of the moving mechanism is improved; the invention can stably adjust the position of the assembled bridge during hoisting, and is convenient for the rapid butt joint of the ends of the assembled bridge.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a first schematic structural diagram of the moving mechanism;
fig. 5 is a second schematic structural diagram of the moving mechanism.
Description of the symbols: 1. a first cross member; 2. a second cross member; 3. a first diagonal member; 4. a shock pad; 5. a moving mechanism; 6. hoisting a crane; 7. a first vertical bar; 8. a first connecting plate; 9. a distribution box; 51. a first fixing frame; 52. a second fixing frame; 53. a second connecting plate; 54. a first guide wheel; 55. a second guide wheel; 56. a third guide wheel; 57. a connecting member; 58. a first through hole; 59. a first motor; 60. a second through hole; 61. a frame; 62. a second motor; 63. and (4) a lifting hook.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, 2 and 3, an adjusting device for hoisting an assembly type bridge comprises a first cross beam 1 and a second cross beam 2, the device comprises first vertical rods 7, first inclined rods 3, lifting machines 6 and moving mechanisms 5, wherein the number of the first cross beams 1 is two, the number of the second cross beams 2 is two, one second cross beam 2 is fixedly connected to one end of each pair of first cross beams 1, the other second cross beam 2 is fixedly connected to the other end of each pair of first cross beams 1, the first vertical rods 7 are fixedly connected to the bottom ends of the second cross beams 2, distribution boxes 9 are fixedly connected to the first cross beams 1, the number of the moving mechanisms 5 is two, the moving mechanisms 5 are slidably connected to the first cross beams 1, the bottom ends of the moving mechanisms 5 are fixedly connected with first connecting plates 8, the lifting machines 6 are fixedly connected to the bottom ends of the first connecting plates 8, the first inclined rods 3 are fixedly connected to the first vertical rods 7, and shock absorption pads 4 are arranged at the bottom ends of the first vertical rods 7; moving mechanism 5 moves on first crossbeam 1, and moving mechanism 5 is used for driving crane 6 and moves on the horizontal direction, and block terminal 9 provides electric power for first motor 59 in moving mechanism 5, and first crossbeam 1, second crossbeam 2, first montant 7 and first down tube 3 adopt above-mentioned connected mode, and first montant 7 fixed connection is on first montant 7, and first montant 7 is used for improving the device stability type.
As shown in fig. 4 and 5, the moving mechanism 5 includes a first fixing frame 51, a second fixing frame 52, a second connecting plate 53, a first guide wheel 54, a second guide wheel 55, a third guide wheel 56, a connecting member 57 and a first motor 59, the number of the second fixing frame 52 is two, the second fixing frame 52 is fixedly connected to the first fixing frame 51, the first fixing frame 51 is provided with a pair of first through holes 58, the number of the first guide wheel 54 is two, the first guide wheel 54 is rotatably connected to the first fixing frame 51, the first guide wheel 54 is located in the first through hole 58, the first fixing frame 51 is provided with a pair of second through holes 60, the second guide wheel 55 is rotatably connected to the first fixing frame 51, the second guide wheel 55 is located in the second through hole 60, the first motor 59 is fixed to one end of the first fixing frame 51, the first motor 59 is provided with a driving gear, a driven gear is provided on a rotating shaft of the second guide wheel 55, the driving gear is meshed with the driven gear, the second connecting plate 53 is fixedly connected to the bottom end of the second fixing frame 52, the connecting piece 57 is fixedly connected to the second connecting plate 53 through bolts, and the third guide wheel 56 is fixedly connected to the connecting piece 57. First motor 59 drive driving gear rotates, and driving gear drive driven gear rotates, and driven gear drive second guide pulley 55 rotates to realize that moving mechanism 5 removes on first crossbeam 1, adjust the bolt realization adjustment connecting piece 57 height on the vertical direction of second connecting plate 53 on the connecting piece 57, realize the contact compactness of third guide pulley 56 and first crossbeam 1, thereby improve the stable form of moving mechanism 5 motion.
First connecting plate 8 fixed connection is on the bottom of second connecting plate 53, and crane 6 includes crane frame 61, second motor 62, lifting hook 63 and lifting rope, and second motor 62 fixed connection is on frame 61, and second motor 62 passes through lifting rope drive lifting hook 63 and removes. The first motor 59 is a servo motor, the first motor 59 is electrically connected with an external power supply, the second motor 62 is an alternating current motor, and the second motor 62 is electrically connected with the external power supply. Lubricating oil is coated on rotating shafts of the first guide wheel 54, the second guide wheel 55 and the third guide wheel 56, the first fixing frame 51 and the second fixing frame 52 are made of stainless steel, and the driving gear and the driven gear are coated with the lubricating oil.
The first guide wheel 54, the second guide wheel 55 and the third guide wheel 56 are all made of ultra-high molecular weight polyethylene, and guide wheel grooves are formed in the first cross beam 1. Block terminal 9 is made for the aluminum alloy material, is equipped with the transformer in the block terminal 9, has seted up the heat dissipation air vent on the block terminal 9.
The invention is provided with a moving mechanism 5, the moving mechanism 5 moves on a first cross beam 1, the moving mechanism 5 is used for driving a crane 6 to move in the horizontal direction, a distribution box 9 provides power for a first motor 59 in the moving mechanism 5, the first vertical rod 7 is fixedly connected to the first vertical rod 7, the first vertical rod 7 is used for improving the stability of the device, the first motor 59 of the moving mechanism 5 drives a driving gear to rotate, the driving gear drives a driven gear to rotate, the driven gear drives a second guide wheel 55 to rotate, so that the moving mechanism 5 moves on the first cross beam 1, the height of the connecting piece 57 in the vertical direction of the second connecting plate 53 is adjusted by adjusting a bolt on the connecting piece 57, the contact compactness of the third guide wheel 56 and the first cross beam 1 is realized, and the stability of the moving mechanism 5 is improved; the invention can stably adjust the position of the assembled bridge during hoisting, and is convenient for the rapid butt joint of the ends of the assembled bridge.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (6)
1. The utility model provides an adjusting device is used in hoist and mount of assembled bridge which characterized in that: comprises a first cross beam (1), two second cross beams (2), a first diagonal rod (3), a first vertical rod (7), a crane (6) and a moving mechanism (5), wherein the number of the first cross beams (1) is two, the number of the second cross beams (2) is two, one second cross beam (2) is fixedly connected with one end of a pair of the first cross beams (1), the other second cross beam (2) is fixedly connected with the other end of the pair of the first cross beams (1), the first vertical rod (7) is fixedly connected with the bottom end of the second cross beam (2), a distribution box (9) is fixedly connected on the first cross beam (1), the number of the moving mechanism (5) is two, the moving mechanism (5) is slidably connected on the first cross beam (1), the bottom end of the moving mechanism (5) is fixedly connected with a first connecting plate (8), the crane (6) is fixedly connected with the bottom end of the first connecting plate (8), the first inclined rod (3) is fixedly connected to a first vertical rod (7), and a damping pad (4) is arranged at the bottom end of the first vertical rod (7);
the moving mechanism (5) comprises a first fixing frame (51), a second fixing frame (52), a second connecting plate (53), two first guide wheels (54), two second guide wheels (55), two third guide wheels (56), a connecting piece (57) and a first motor (59), the second fixing frames (52) are fixedly connected to the first fixing frame (51), the first fixing frame (51) is provided with a pair of first through holes (58), the first guide wheels (54) are two in number, the first guide wheels (54) are rotatably connected to the first fixing frame (51), the first guide wheels (54) are positioned in the first through holes (58), the first fixing frame (51) is provided with a pair of second through holes (60), the second guide wheels (55) are rotatably connected to the first fixing frame (51), and the second guide wheels (55) are positioned in the second through holes (60), the first motor (59) is fixed at one end of the first fixing frame (51), a driving gear is arranged on the first motor (59), a driven gear is arranged on a rotating shaft of the second guide wheel (55), the driving gear is meshed with the driven gear, the second connecting plate (53) is fixedly connected to the bottom end of the second fixing frame (52), the connecting piece (57) is fixedly connected to the second connecting plate (53) through a bolt, and the third guide wheel (56) is fixedly connected to the connecting piece (57).
2. The adjusting device for hoisting the assembled bridge according to claim 1, wherein: first connecting plate (8) fixed connection is on the bottom of second connecting plate (53), crane (6) are including lifting by crane frame (61), second motor (62), lifting hook (63) and lifting rope, second motor (62) fixed connection is in frame (61), second motor (62) are through lifting rope drive lifting hook (63) removal.
3. The adjusting device for hoisting the assembled bridge according to claim 2, wherein: the first motor (59) is a servo motor, the first motor (59) is electrically connected with an external power supply, the second motor (62) is an alternating current motor, and the second motor (62) is electrically connected with the external power supply.
4. The adjusting device for hoisting the assembled bridge according to claim 1, wherein: lubricating oil is coated on rotating shafts of the first guide wheel (54), the second guide wheel (55) and the third guide wheel (56), the first fixing frame (51) and the second fixing frame (52) are both made of stainless steel, and the driving gear and the driven gear are both coated with lubricating oil.
5. The adjusting device for hoisting the assembled bridge according to claim 1, wherein: the first guide wheel (54), the second guide wheel (55) and the third guide wheel (56) are all made of ultra-high molecular weight polyethylene, and guide wheel grooves are formed in the first cross beam (1).
6. The adjusting device for hoisting the assembled bridge according to claim 1, wherein: block terminal (9) are made for the aluminum alloy material, be equipped with the transformer in block terminal (9), the heat dissipation air vent has been seted up on block terminal (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011080268.2A CN112265916B (en) | 2020-10-10 | 2020-10-10 | Adjusting device is used in hoist and mount of assembled bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011080268.2A CN112265916B (en) | 2020-10-10 | 2020-10-10 | Adjusting device is used in hoist and mount of assembled bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112265916A true CN112265916A (en) | 2021-01-26 |
| CN112265916B CN112265916B (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011080268.2A Active CN112265916B (en) | 2020-10-10 | 2020-10-10 | Adjusting device is used in hoist and mount of assembled bridge |
Country Status (1)
| Country | Link |
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| CN (1) | CN112265916B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001049622A (en) * | 1999-08-05 | 2001-02-20 | Vsl Japan Kk | Bridge erecting apparatus and bridge erecting method |
| WO2003101878A1 (en) * | 2002-05-30 | 2003-12-11 | Douglas Mcgregor Mckay | A crane assembly |
| CN202323744U (en) * | 2011-11-30 | 2012-07-11 | 成都市市政工程（集团）有限责任公司 | Hoist device for bridge construction |
| CN207618918U (en) * | 2017-12-16 | 2018-07-17 | 江苏百崮钢结构工程有限公司 | A kind of gantry crane for bridge construction |
| CN208684247U (en) * | 2018-07-17 | 2019-04-02 | 广州地铁设计研究院股份有限公司 | A kind of prefabricated subsection hanging apparatus |
| CN111483924A (en) * | 2020-04-17 | 2020-08-04 | 中国能源建设集团广东省电力设计研究院有限公司 | Bridge crane |
| CN213651647U (en) * | 2020-10-10 | 2021-07-09 | 中交一公局集团有限公司 | Adjusting device is used in hoist and mount of assembled bridge |
-
2020
- 2020-10-10 CN CN202011080268.2A patent/CN112265916B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001049622A (en) * | 1999-08-05 | 2001-02-20 | Vsl Japan Kk | Bridge erecting apparatus and bridge erecting method |
| WO2003101878A1 (en) * | 2002-05-30 | 2003-12-11 | Douglas Mcgregor Mckay | A crane assembly |
| CN202323744U (en) * | 2011-11-30 | 2012-07-11 | 成都市市政工程（集团）有限责任公司 | Hoist device for bridge construction |
| CN207618918U (en) * | 2017-12-16 | 2018-07-17 | 江苏百崮钢结构工程有限公司 | A kind of gantry crane for bridge construction |
| CN208684247U (en) * | 2018-07-17 | 2019-04-02 | 广州地铁设计研究院股份有限公司 | A kind of prefabricated subsection hanging apparatus |
| CN111483924A (en) * | 2020-04-17 | 2020-08-04 | 中国能源建设集团广东省电力设计研究院有限公司 | Bridge crane |
| CN213651647U (en) * | 2020-10-10 | 2021-07-09 | 中交一公局集团有限公司 | Adjusting device is used in hoist and mount of assembled bridge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112265916B (en) | 2024-04-26 |
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