CN107201719B - Viaduct anti-collision wall template hoisting transfer machine and anti-collision wall construction method - Google Patents
Viaduct anti-collision wall template hoisting transfer machine and anti-collision wall construction method Download PDFInfo
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- CN107201719B CN107201719B CN201710257726.7A CN201710257726A CN107201719B CN 107201719 B CN107201719 B CN 107201719B CN 201710257726 A CN201710257726 A CN 201710257726A CN 107201719 B CN107201719 B CN 107201719B
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- hanging basket
- collision wall
- basket
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- template
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
- B66C5/06—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods with runways or tracks supported for lateral swinging movements
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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
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a viaduct anti-collision wall template hoisting transfer machine and an anti-collision wall construction method, belongs to the technical field of construction mechanical equipment, and belongs to the technical field of construction mechanical equipment. Template hoist and mount transfer machine is in including driving frame, setting electric block, string basket crossbeam and string basket on the top crossbeam of driving frame. The electric hoist can hoist the inner side template and the outer side template, the hanging basket provides a construction place for splicing the outer side template for constructors, the electric hoist and the hanging basket are matched with each other, the construction efficiency is improved, and the hoisting and the accurate splicing of the outer side template are realized. Meanwhile, the invention also provides a construction method of the viaduct anti-collision wall, and the method has the advantages of simple process, convenience in operation and higher construction efficiency.
Description
Technical Field
The invention relates to a viaduct anti-collision wall template hoisting transfer machine and an anti-collision wall construction method, and belongs to the technical field of construction mechanical equipment.
Background
The anti-collision wall is a safety guarantee structure on two sides of a bridge and belongs to a permanent structure. The construction process comprises the following steps: and (3) binding the anti-collision wall reinforcing steel bars after the construction of the bridge wing plate is finished, then installing the inner side formwork and the outer side formwork, then pouring and curing concrete, and finally dismantling the inner side formwork and the outer side formwork.
Crashproof wall template usually adopts the steel form of design, and weight is heavier, and outside template suspension in the bridge pterygoid lamina outside, the inconvenient operation of constructor, the concatenation precision of outside template is difficult to control, influences crashproof wall's the quality of pouring to the installation rate is slower, directly influences the construction progress.
The construction of the outer side template of the anti-collision wall adopts a first common method that when the box girder construction is completed and the template is dropped, a support bent is reserved as the support of the outer side template, however, the method has high cost, has the potential safety hazard of overlarge height-width ratio of the support, and easily causes the delay of the removal time of the support bent; the second common method is to install the outer formwork in the form of a bracket with a straight frame, but the bracket with the straight frame increases the amount of construction steel, increases the construction procedures and reduces the construction efficiency.
At present, to the construction of encorbelmenting of crashproof wall outside template, a fairly effectual mode in addition adopts and hangs basket gallows equipment. As shown in fig. 1, the viaduct 200 includes piers 210, box girders 220, and wings 230, and collision prevention walls 240 are poured over edges of the wings 230. The construction process comprises the following steps: and (3) binding reinforcing steel bars 241 of the collision-proof wall 240, and then assembling an inner side template 242 and an outer side template 243. When the outer side templates 243 are assembled, the cradle hanger device 100 is adopted to cooperate with a forklift or a crane to work together. The cradle hanger apparatus 100 includes a base 110, a roller 120 fixed below the base 110, a column 130 fixed on the base 110, a cantilever beam 140 fixed on the top of the column, and a cradle 150 disposed at the end of the cantilever beam 140, in order to make the cradle hanger apparatus 100 more stable in structure, a top column 160 and a suspension cable 170 are disposed above the cantilever beam 140, a weight concrete block 180 is disposed on the base 110 on the side of the cradle hanger apparatus 100 far from the cradle 150, and a diagonal bar 190 is disposed between the cantilever beam 140 and the column 130, and the base 110. The constructor can perform the splicing fixing operation of the outer formworks 243 in the cradle 150, change the operation section by moving the cradle hanger apparatus 100, and lift the outer formworks 243 in cooperation with a truck crane or a forklift. However, this method still has the following disadvantages:
(1) The cradle hanger equipment 100 needs to be matched with a truck crane to work together, the truck crane is usually positioned on a road below a bridge floor, normal passing of vehicles is influenced, a crane driver is far away from an operation surface, and the risk that the cradle hanger equipment 100 is knocked by misoperation to cause overturning of the cradle hanger equipment 100 exists;
(2) The weighted concrete blocks 180 may cause the cradle hanger apparatus 100 to topple when insufficient weighting or slippage occurs.
Disclosure of Invention
The invention provides a viaduct anti-collision wall template hoisting and transferring machine, which aims at the problems of poor safety, low construction efficiency and the like of a hanging basket hanger device in the prior art, and has the advantages of stable structure, reasonable stress and high safety. Meanwhile, the invention also provides a construction method of the viaduct anti-collision wall, and the method has the advantages of simple process, convenience in operation and higher construction efficiency.
In order to solve the technical problems, the invention comprises the following technical scheme:
the utility model provides a machine is transported in hoisting of overpass anticollision wall template, includes:
the travelling crane comprises a travelling crane frame, a support frame and a lifting mechanism, wherein the travelling crane frame comprises two bottom longitudinal beams arranged in parallel with the anti-collision wall, support leg trusses fixedly arranged at two ends of the bottom longitudinal beams, top longitudinal beams fixedly arranged at the top ends of the support leg trusses and parallel with the bottom longitudinal beams, and top cross beams with two ends respectively vertically fixed with the top longitudinal beams, bottom rollers are arranged at two ends of the bottom longitudinal beams, and cantilevers at two ends of the top cross beams extend out of the anti-collision wall;
the electric hoist is arranged on the top cross beam and can move along the top cross beam;
the hanging basket cross beam is perpendicular to the bottom longitudinal beam and is fixed on the bottom longitudinal beam through a cross beam upright post, and two ends of the hanging basket cross beam extend out of the anti-collision wall; and the number of the first and second groups,
and the hanging basket is hung on the hanging basket cross beam outside the anti-collision wall.
Preferably, the top of the hanging basket is provided with a beam hole, and the hanging basket is hung on the hanging basket beam through the beam hole.
Preferably, the beam hole is internally embedded with a basket hanging roller.
Preferably, a driving motor is arranged on the hanging basket cross beam and controls the hanging basket roller to rotate through a transmission device to drive the hanging basket to move along the hanging basket cross beam.
Preferably, the two ends of the basket hanging beam are respectively provided with one basket, and the top beam is provided with two electric hoists.
Preferably, a signal receiver for receiving a remote wireless operation signal is arranged on the driving motor on the hanging basket beam or/and the electric hoist.
Preferably, the top of the leg truss is of an inner straight and outer inclined structure.
Preferably, a track is laid below the bottom roller.
Preferably, rail clamping devices are arranged on two sides of the rail, each rail clamping device comprises a steel plate with a strip-shaped hole, bolts fixed on two sides of the rail, and adjustable nuts used for fixing the steel plates on the bolts.
Correspondingly, the invention also provides a construction method of the anti-collision wall of the viaduct, which comprises the following steps:
s1, after the binding of steel bars of an anti-collision wall is finished, hoisting an inner side template in place and fixing by using an electric hoist of the viaduct anti-collision wall template hoisting transfer machine;
s2, hoisting the outer side template in place by using the electric hoist, and splicing and fixing the outer side template in the hanging basket by constructors;
and S3, pouring concrete of the anti-collision wall, maintaining until the form removal strength is reached, removing the inner side template and the outer side template of the anti-collision wall respectively, and hoisting the inner side template and the outer side template to a next construction section by utilizing the template hoisting transfer machine respectively.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
(1) The hanging basket is arranged on the hanging basket cross beam, the electric block is arranged on the top cross beam, and the hanging basket and the electric block are arranged in a staggered mode in the vertical direction and do not overlap with each other in the horizontal direction, so that the hanging basket and the electric block do not affect each other in position, and the hoisting and the accurate splicing of the outer side template are realized through the mutual matching of the hanging basket and the electric block;
(2) The template hoisting and transferring machine has stable structure, reasonable stress and no lateral overturning risk;
(3) When the cradle is provided with the cradle roller, the driving motor and the transmission device, the cradle can move on the cradle beam more conveniently;
(4) When the template hoisting transfer machine is provided with the track and the track clamping device, the convenience and the safety of the operation of the template hoisting transfer machine are improved.
Drawings
FIG. 1 is a schematic structural view of a prior art cradle hanger apparatus;
fig. 2 is a schematic structural diagram of a hoisting and transferring machine for an overpass anti-collision wall template according to an embodiment of the invention;
FIG. 3 isbase:Sub>A cross-sectional view taken along section A-A of FIG. 2;
fig. 4 is a schematic structural diagram of a rail clamping device according to an embodiment of the present invention;
FIGS. 4a and 4b are cross-sectional views of the rail clamp in two states of use;
fig. 5 is a flowchart of a method for constructing an anti-collision wall according to another embodiment of the present invention.
The numbers in the figures are as follows:
a cradle hanger apparatus 100; a base 110; a roller 120; a column 130; a cantilever beam 140; a hanging basket 150; a top post 160; a suspension wire 170; a counterweight concrete block 180; a diagonal rod 190;
the viaduct 200; a pier 210; a box girder 220; wing plates 230; a collision prevention wall 240; steel bars 241; an inner formwork 242; the outer formwork 243;
a template hoisting transfer machine 300; a travelling crane frame 310; a bottom stringer 311; a leg truss 312; a roof rail 313; a top cross member 314; a bottom roller 315; a top post 316; a suspension cable 317; a track 318; a rail clamp 319, a steel plate 319a, a bolt 319b, an adjustable nut 319c; an electric block 320; a basket hanging cross-beam 330; a hanging basket 340; a beam hole 341; a cradle roller 342; beam uprights 350.
Detailed Description
The overpass anti-collision wall formwork hoisting and transferring machine and the anti-collision wall construction method provided by the invention are further described in detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent when considered in conjunction with the following description and claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Fig. 1 shows a schematic view of a conventional cradle hanger apparatus 100. The hanging basket hanger apparatus 100 comprises a base 110, rollers 120 below the base 110, a column 130 fixed on the base 110, a cantilever beam 140 fixed at the top of the column, a hanging basket 150 arranged at the end of the cantilever beam 140, a top column 160 and a hanging rope 170 arranged above the cantilever beam 140, a diagonal rod 190 arranged between the cantilever beam 140 and the column 130, the base 110, and a counterweight concrete block 180 arranged on the base 110 far away from one side of the hanging basket 150 to prevent the hanging basket hanger apparatus 100 from overturning. The construction worker can perform the template splicing work in the cradle 150 and change the work surface by the movement of the cradle hanger apparatus 100 and move the outside template 243 in cooperation with the truck-lift or forklift. However, this method has the following disadvantages: the basket hanging bracket equipment 100 needs to be matched with a truck crane to work together, the truck crane is usually positioned on a road below a bridge floor, normal passing of vehicles is influenced, a driver is far away from a template, and the risk that the basket hanging bracket equipment 100 topples due to misoperation exists; the weighted concrete blocks 180 may cause the cradle hanger apparatus 100 to topple when insufficient weighting or slippage occurs.
Referring to fig. 2 and fig. 3, fig. 2 isbase:Sub>A schematic structural view of the viaduct anti-collision wall formwork hoisting and transferring machine provided in this embodiment, and fig. 3 isbase:Sub>A cross-sectional view taken alongbase:Sub>A-base:Sub>A section in fig. 2, and the present invention will be further described with reference to fig. 1 and fig. 2.
Compared with the prior art, the template hoisting transfer machine 300 provided by the invention has the following advantages or beneficial effects: (1) The hanging basket 340 is arranged on the hanging basket cross beam 330, the electric hoist 320 is arranged on the top cross beam 314, and the hanging basket 340 and the electric hoist are arranged in a staggered manner in the vertical direction and do not overlap with each other in the horizontal direction, so that the positions of the hanging basket and the electric hoist are not influenced with each other, and the hanging and the accurate splicing of the outer side template 243 are realized through the mutual matching of the hanging basket and the electric hoist; (2) The template hoisting and transferring machine 300 is stable in structure, reasonable in stress and free of lateral overturning risks.
In a preferred embodiment, a cross beam hole 341 is formed at the top of the hanging basket 340, and the hanging basket 340 is hung on the hanging basket cross beam 330 through the cross beam hole 341. Wherein, the cradle cross beam 330 can be made of channel steel or rectangular steel pipe. More preferred mode is, it has string basket gyro wheel 342 to inlay in crossbeam hole 341, hangs basket gyro wheel 342 and can drive string basket 340 and move on hanging basket crossbeam 330, and its advantage is: when electric block 320 hoists outside template 243, need vacate one section space between string basket 340 and crashproof wall 240 to outside template 243 hoist and mount operation, after the hoist and mount finishes, need hang basket 340 and will be close to crashproof wall 240, make things convenient for the workman to be under construction, thereby set up string basket gyro wheel 342 and make things convenient for string basket 340 to move on string basket crossbeam 330. Preferably, when the cradle roller 342 is connected with the driving motor through the transmission device, the cradle 340 is more conveniently moved on the cradle cross-member 330. Preferably, when a signal receiver for receiving a remote wireless operation signal is provided on the driving motor on the basket cross-beam 330, the movement of the basket 340 can be remotely controlled.
The preferred embodiment is that two ends of the cradle cross beam 330 are respectively provided with a cradle 340, and the top cross beam 314 is provided with two electric hoists 320, so that the anti-collision walls 240 on two sides of the viaduct can be constructed simultaneously, and the construction progress is accelerated. Preferably, a signal receiver for receiving a remote wireless operation signal is arranged on the electric hoist 320, and a constructor in the hanging basket 340 can remotely control the electric hoist 320, so as to realize the accurate hoisting of the outer formwork 243.
In order to enable the stress of the template hoisting transfer machine 300 to be more stable and increase the stress capacity of the cantilever end of the top cross beam 314, the top of the leg truss 312 is of an inner straight and outer inclined structure, the inner straight and outer inclined structure means that an included angle formed by a side vertical face of the leg truss 312 and the top cross beam 314 is a right angle on the inner side and an obtuse angle on the outer side close to the cantilever end, that is, the leg truss 312 is of a structure with a wide upper part and a narrow lower part and an outer vertical face is an inclined plane. Preferably, the two leg trusses 312 on the bottom longitudinal beam 311 are isosceles trapezoids with narrow upper parts and wide lower parts, and the two leg trusses are two inclined sides of the isosceles trapezoids respectively, so that the structure is more favorable for the overall stability of the template hoisting transfer machine 300.
In a preferred embodiment, as shown in fig. 4, a rail 318 is laid under the bottom roller 315 to facilitate smooth movement of the bottom roller 315. In addition, when the form hoisting transfer machine 300 hoists the inner form 242 and the outer form 243, it is desirable to prevent the bottom roller 315 from moving, and it is preferable that rail clamping devices 319 are provided at both sides of the rail 318, and each rail clamping device 319 includes a steel plate 319a having a strip-shaped hole, a bolt 319b fixed to both sides of the rail 318, and an adjustable nut 319c fixing the steel plate 319a to the bolt 319 b. Fig. 4a shows the rail clamp 319 in a non-operative state, the steel plate 319a being parallel to the rail 318, the steel plate 319a being laterally spaced from the bottom roller 315, the bottom roller 315 being freely movable on the rail 318. Fig. 4b shows the rail clamp 319 in the working position, the steel plate 319a is perpendicular to the rail 318, and the steel plate 319a prevents the bottom roller 315 from moving.
Correspondingly, the invention also provides a construction method of the anti-collision wall of the viaduct, and the construction method is further described with reference to fig. 2 to 5. The construction method of the anti-collision wall of the viaduct specifically comprises the following steps:
s1, after the reinforcing steel bars 241 of the anti-collision wall 240 are bound, the inner side formwork 242 is hoisted in place and fixed by the electric hoist 320 of the viaduct anti-collision wall formwork hoisting and transferring machine 300. The electric hoist 320 can well cope with the suspended hoisting operation of the outer template 243.
S2, the outer side template 243 is hoisted in place by using the electric hoist 320, and constructors splice and fix the outer side template 243 in the hanging basket 340. As described above, the electric hoist 320 of the template hoisting transporter 300 is matched with the basket 340 in height, and the electric hoist and the basket are matched with each other, so that hoisting and accurate splicing of the outer template 243 can be realized.
And S3, pouring concrete of the anti-collision wall 240, maintaining until the formwork removing strength is reached, respectively removing the inner formwork 242 and the outer formwork 243 of the anti-collision wall 240, and hoisting the inner formwork 242 and the outer formwork 243 to the next construction section by using the electric hoist 320. For example, the constructor removes the fixing device such as the fixing bolt on the outer formwork 243 from the cradle 340, and hangs the outer formwork 243 on the hanging hole of the outer formwork 243 by the hook of the electric hoist 320, but may use a rope binding form to hoist, and moves the bottom roller 315 to transport the outer formwork 243 to the next construction section.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (7)
1. The utility model provides a machine is transported in hoisting of overpass anticollision wall template which characterized in that includes:
the travelling crane frame comprises two bottom longitudinal beams arranged in parallel with the anti-collision wall, landing leg trusses fixedly arranged at two ends of the bottom longitudinal beams, top longitudinal beams fixedly arranged at the top ends of the landing leg trusses and parallel to the bottom longitudinal beams, and top cross beams with two ends respectively vertically fixed to the top longitudinal beams, bottom rollers are arranged at two ends of the bottom longitudinal beams, and cantilevers at two ends of the top cross beams extend out of the anti-collision wall;
the electric hoist is arranged on the top cross beam and can move along the top cross beam;
the hanging basket cross beam is perpendicular to the bottom longitudinal beam and is fixed on the bottom longitudinal beam through a cross beam upright post, and two ends of the hanging basket cross beam extend out of the anti-collision wall; and (c) a second step of,
the hanging basket is hung on the hanging basket cross beam on the outer side of the anti-collision wall; the top of the hanging basket is provided with a beam hole, and the hanging basket is hung on the hanging basket beam through the beam hole; a hanging basket roller is embedded in the beam hole; the hanging basket beam is provided with a driving motor, and the driving motor controls the hanging basket roller to rotate through a transmission device to drive the hanging basket to move along the hanging basket beam; the horizontal projection of the hanging basket beam and the top beam are not overlapped, and the positions of the hanging basket and the electric hoist are not influenced; when electric block hoist and mount outside template, hang the basket gyro wheel and remove along hanging the basket crossbeam, make and hang and vacate the space between basket and the anticollision wall, after hoist and mount finish, hang the basket gyro wheel and remove along hanging the basket crossbeam, make and hang the basket and be close to the anticollision wall.
2. The viaduct anti-collision wall formwork hoisting and transferring machine as claimed in claim 1, wherein one hanging basket is arranged at each end of the hanging basket beam, and two electric hoists are arranged on the top beam.
3. The viaduct anti-collision wall formwork hoisting and transferring machine as claimed in claim 2, wherein a signal receiver for receiving a remote wireless operation signal is provided on the driving motor on the cradle beam or/and on the electric block.
4. The viaduct anti-collision wall formwork hoisting and transferring machine as claimed in claim 1, wherein the top of the leg truss is of an inner straight and outer inclined structure.
5. The viaduct anti-collision wall formwork hoisting and transferring machine of claim 1, wherein a rail is laid below the bottom rollers.
6. The overpass crash wall form hoisting transfer machine of claim 5, wherein rail clamping devices are provided at both sides of the rail, the rail clamping devices comprise steel plates with strip-shaped holes, bolts fixed at both sides of the rail, and adjustable nuts for fixing the steel plates on the bolts.
7. The construction method of an anti-collision wall for an viaduct according to claim 1, comprising the steps of:
s1, after the steel bars of the anti-collision wall are bound, hoisting the inner side template in place and fixing the inner side template by using an electric hoist of the viaduct anti-collision wall template hoisting and transferring machine;
s2, hoisting the outer side template in place by using the electric hoist, and splicing and fixing the outer side template in the hanging basket by constructors;
and S3, pouring concrete of the anti-collision wall, curing to form removal strength, removing the inner side template and the outer side template of the anti-collision wall respectively, and hoisting the inner side template and the outer side template to a next construction section by utilizing the template hoisting transfer machine respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710257726.7A CN107201719B (en) | 2017-04-19 | 2017-04-19 | Viaduct anti-collision wall template hoisting transfer machine and anti-collision wall construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710257726.7A CN107201719B (en) | 2017-04-19 | 2017-04-19 | Viaduct anti-collision wall template hoisting transfer machine and anti-collision wall construction method |
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| Publication Number | Publication Date |
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| CN107201719A CN107201719A (en) | 2017-09-26 |
| CN107201719B true CN107201719B (en) | 2023-04-14 |
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| CN112593495A (en) * | 2020-12-16 | 2021-04-02 | 中铁五局集团有限公司 | Construction equipment for concrete wall with sound barrier foundation and high and large thin plate structure |
| CN114772514B (en) * | 2022-05-19 | 2023-10-27 | 郑州大学 | Bridge construction machinery hoisting device |
| CN114890069A (en) * | 2022-06-24 | 2022-08-12 | 安徽康新建设工程有限公司 | Transfer device capable of conveniently conveying objects to two ends of bridge and conveying method thereof |
| CN115874530B (en) * | 2022-11-09 | 2024-02-06 | 江苏四通路桥工程有限公司 | Anti-collision wall template trolley of large telescopic safety platform |
| CN115853546A (en) * | 2022-12-06 | 2023-03-28 | 中铁工程服务有限公司 | A pouring module assembly operation vehicle |
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