CN115094765A - A liftable formula cantilever location leading truck for construction of steel trestle steel-pipe pile - Google Patents
A liftable formula cantilever location leading truck for construction of steel trestle steel-pipe pile Download PDFInfo
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- CN115094765A CN115094765A CN202210777953.3A CN202210777953A CN115094765A CN 115094765 A CN115094765 A CN 115094765A CN 202210777953 A CN202210777953 A CN 202210777953A CN 115094765 A CN115094765 A CN 115094765A
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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
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/18—Placing by vibrating
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- General Engineering & Computer Science (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to the technical field of steel trestle steel pipe pile construction, in particular to a liftable cantilever positioning guide frame for steel trestle steel pipe pile construction. The device comprises a cantilever steel frame, a guide rail fixing frame and a construction platform frame which are horizontally arranged; the cantilever steel frame comprises a horizontally arranged Bailey truss, the guide rail fixing frame comprises a pair of rectangular steel frames, the construction platform frame comprises a horizontally arranged square steel frame, two ends of the rear side of the square steel frame are correspondingly and movably connected with the front sides of the pair of steel frames through a pair of transmission mechanisms, and when the double-shaft motor drives the pair of transmission mechanisms to work, the horizontal installation height of the square steel frame on the pair of steel frames can be adjusted; therefore, the steel trestle bridge steel pipe pile construction method can prevent workers from climbing vertically during steel trestle steel pipe pile construction, construction personnel can work on the construction platform frame, the steel trestle bridge steel pipe pile construction method can prevent the construction personnel from driving the steel trestle pile in water, the safety of the construction personnel is guaranteed, and the construction platform can be lifted to provide convenience for construction.
Description
Technical Field
The invention relates to the technical field of steel trestle steel pipe pile construction, in particular to a liftable cantilever positioning guide frame for steel trestle steel pipe pile construction.
Background
In the process of constructing the river-crossing bridge, a temporary bridge structure for loading and unloading goods or passengers or specially used for construction site traffic, mechanical arrangement and overhead operation is generally required to be constructed nearby, the bridge is called as a trestle, and the steel trestle is most widely applied.
The construction steel trestle needs to be driven to establish the steel pipe pile, the steel pipe pile needs to be positioned before the driving construction process of the steel pipe pile, meanwhile, after the steel pipe pile is well arranged, welding operation needs to be carried out on a pile head and among piles, a construction platform needs to be arranged both in the positioning of the steel pipe pile and the welding construction among the piles, and due to the fact that the steel pipe pile is generally driven in water, the driving construction platform is difficult to achieve.
At present, for solving the problem of positioning the steel pipe pile, the method for setting up the cantilever positioning guide frame is a method which is widely applied, the cantilever positioning guide frame is connected with a Bailey beam of a bridge span which is already constructed to form an overhang, a steel pipe pile guide hole is arranged at the far end to realize the positioning of the steel pipe pile, but the height of the guide frame is fixed, a good working face cannot be provided for the welding work with different heights, the welding work between the piles is often finished by depending on the setting of corresponding facilities after the steel pipe pile is arranged, the construction is complex, the construction progress is influenced, and the safety problem of auxiliary constructors is difficult to guarantee.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a liftable cantilever positioning guide frame for steel trestle steel pipe pile construction, which avoids the vertical climbing of workers during the steel trestle steel pipe pile construction to ensure the safety of constructors,
the specific technical scheme of the invention is as follows: a liftable cantilever positioning guide frame for steel trestle steel pipe pile construction comprises a horizontally arranged cantilever steel frame 1, a vertically arranged guide rail fixing frame 2 and a horizontally arranged construction platform frame 3;
the cantilever steel frame 1 comprises a Bailey truss 11 arranged horizontally and a first pedestrian steel plate 12 laid at the upper end of the Bailey truss 11, the guide rail fixing frame 2 comprises a pair of rectangular steel frames 21, the pair of steel frames 21 are upright and arranged at intervals correspondingly, the middle parts of the rear sides of the pair of steel frames 21 are fixedly connected with the Bailey truss 11, a connecting steel plate 22 is horizontally arranged at the upper end of the pair of steel frames 21, and a double-shaft motor 4 is fixedly arranged on the connecting steel plate 22;
the construction platform frame 3 comprises a horizontally arranged square steel frame 31, a second steel plate 32 is horizontally laid in the square steel frame 31, so that a rectangular notch formed at the front part of the square steel frame 31 is an installation guide area of the steel pipe pile,
the two ends of the rear side of the square steel frame 31 are correspondingly and movably connected with the front sides of the pair of steel frames 21 through a pair of transmission mechanisms, and when the double-shaft motor 4 drives the pair of transmission mechanisms to work, the horizontal installation height of the square steel frame 31 on the pair of steel frames 21 can be adjusted;
when the positioning guide frame is installed and used, one end of the Bailey truss 11 is in pin joint with the Bailey beam at the front end of the laid trestle, and the Bailey beam is used for fixing the positioning guide frame.
Further, each transmission mechanism comprises a vertically arranged C-shaped slide block 51, a slide rail 52, a winding drum 53, a fixed pulley 54 and a transmission shaft 55,
the reel 53 is mounted on the connecting steel plate 22 at the upper end of the steel frame through a reel bracket 531,
one end of the transmission shaft 55 is connected with the output shaft of the double-shaft motor 4, the other end is connected with the drum shaft of the winding drum 53,
the sliding rail 52 is vertically and fixedly installed on the front side of the steel frame, the fixed pulley 54 is installed at the upper end of the sliding rail 52 through a pulley bracket, a rope 56 is wound on the winding drum 53, the free end of the rope 56 is wound around the fixed pulley 54 and is fixedly connected with the upper end of the C-shaped sliding block 51, so that the C-shaped sliding block 51 is arranged on the sliding rail 52 through the sliding fit of the sliding block and the sliding rail;
the lower end of the C-shaped sliding block 51 is correspondingly and fixedly connected with the rear end part of the square steel frame 31,
when a pair of C-shaped sliding blocks on the pair of transmission mechanisms are arranged on the pair of sliding rails in a sliding fit manner and move synchronously, the horizontal installation height of the square steel frame 31 on the pair of steel frames 21 can be adjusted.
Further, each slide rail 52 is evenly provided with a bolt hole, and a bolt penetrates through the bolt hole to fix the C-shaped slider 51 on the slide rail 52, so that the mounting height of the square steel frame 31 is fixed.
Further, a horizontal boss 33 is arranged between the pair of steel frames 21 corresponding to the rear side of the square steel frame 31, so that when the square steel frame 31 and the bailey truss 11 are located at the same horizontal position, the horizontal boss 33 corresponds to the bailey truss 11.
Further, a guardrail 311 is arranged on the outer edge of the upper end of the square steel frame 31.
Furthermore, the fixed connection positions of the Bailey truss 11 and the pair of steel frames 21 are respectively provided with an L-shaped welding angle steel 6.
Further, the pulley bracket 541 is a square frame horizontally arranged at the upper end of the slide rail 52, the axle of the fixed pulley 54 is horizontally installed in the square frame, so that the fixed pulley 54 is installed at the upper end of the slide rail 52,
the free end of the rope 56 passes through the fixed pulley 54 and extends vertically and downwards, and is fixed by penetrating through the upper end part of the C-shaped sliding block 51, and an anchor block is arranged on the rope 56 corresponding to the upper end penetrating through the C-shaped sliding block 51.
The invention has the beneficial technical effects that:
(1) the invention discloses a liftable cantilever positioning guide frame for steel trestle steel pipe pile construction, which comprises a cantilever steel frame, a guide rail fixing frame and a construction platform frame, wherein the cantilever steel frame, the guide rail fixing frame and the construction platform frame are horizontally arranged;
the cantilever steel frames comprise a Bailey truss which is horizontally arranged, the guide rail fixing frame comprises a pair of rectangular steel frames which are vertically arranged and correspondingly arranged at intervals, the middle parts of the rear sides of the pair of steel frames are fixedly connected with the Bailey truss,
the construction platform frame comprises a square steel frame which is horizontally arranged, two ends of the rear side of the square steel frame are correspondingly and movably connected with the front sides of a pair of steel frames through a pair of transmission mechanisms, and when the double-shaft motor drives the pair of transmission mechanisms to work, the horizontal installation height of the square steel frame on the pair of steel frames can be adjusted; consequently can avoid workman's perpendicular climbing when steel trestle steel-pipe pile is under construction, constructor works on the construction platform frame, avoided constructor to beat in aqueous and establish the steel-pipe pile, guarantee constructor's safety, and the construction platform liftable can also be for the parallel connection between the stake, position such as scissors antithetical couplet and pile bolck crossbeam bracket facilitates in not the construction such as welding of co-altitude, need not again to transfer other construction machines for welding construction between the stake, manual work and material cost have been saved, convenient construction, simplify construction steps, accelerate the construction progress.
(2) The invention utilizes the principle of a bridge girder erection machine, adopts a Bailey truss and section steel to process and form an integral liftable cantilever positioning guide frame, the tail end of the guide frame is in pin joint with a Bailey beam at the front end of a laid trestle, and the front end of the guide frame is an installation guide area of a steel pipe pile, so that the formed trestle can be used as the coarse positioning guide of the steel pipe pile to be constructed, a pair of transmission mechanisms is used for completing the accurate positioning of the steel pipe pile, and a guide system can be installed in the installation guide area, so that the water positioning can be changed into land positioning through the guide frame system, the influence of water flow on the positioning of the steel pipe pile is avoided, and the safety of construction operation is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a liftable cantilever positioning guide frame for steel trestle steel pipe pile construction.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a top view of fig. 1.
Wherein: cantilever steelframe 1, guide rail mount 2, construction platform frame 3, bailey truss 11, first running steel 12, a pair of steelframe 21, connecting steel plate 22, biaxial motor 4, square steelframe frame 31, guardrail 311, second steel sheet 32, horizontal boss 33, C-shaped slider 51, slide rail 52, reel 53, fixed pulley 54, pulley holder 541, transmission shaft 55, reel holder 531, rope 56, welding angle steel 6.
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 detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
A lifting cantilever positioning guide frame for steel trestle steel pipe pile construction comprises a horizontally arranged cantilever steel frame 1, a vertically arranged guide rail fixing frame 2 and a horizontally arranged construction platform frame 3;
the cantilever steel frame 1 comprises a Bailey truss 11 arranged horizontally and a first pedestrian steel plate 12 laid at the upper end of the Bailey truss 11, the guide rail fixing frame 2 comprises a pair of rectangular steel frames 21, the pair of steel frames 21 are upright and arranged at intervals correspondingly, the middle parts of the rear sides of the pair of steel frames 21 are fixedly connected with the Bailey truss 11, a connecting steel plate 22 is horizontally arranged at the upper end of the pair of steel frames 21, and a double-shaft motor 4 is fixedly arranged on the connecting steel plate 22;
the construction platform frame 3 comprises a horizontally arranged square steel frame 31, a second steel plate 32 is horizontally laid in the square steel frame 31, so that a rectangular notch formed at the front part of the square steel frame 31 is an installation guide area of the steel pipe pile,
the two ends of the rear side of the square steel frame 31 are correspondingly and movably connected with the front sides of the pair of steel frames 21 through a pair of transmission mechanisms, and when the double-shaft motor 4 drives the pair of transmission mechanisms to work, the horizontal installation height of the square steel frame 31 on the pair of steel frames 21 can be adjusted;
when the positioning guide frame is installed and used, one end of the Bailey truss 11 is in pin joint with the Bailey beam at the front end of the laid trestle, and the Bailey beam is used for fixing the positioning guide frame.
Further, each transmission mechanism comprises a vertically arranged C-shaped slide block 51, a slide rail 52, a winding drum 53, a fixed pulley 54 and a transmission shaft 55,
the reel 53 is mounted on the steel connecting plate 22 at the upper end of the steel frame through a reel bracket 531,
one end of the transmission shaft 55 is connected with the output shaft of the double-shaft motor 4, the other end is connected with the drum shaft of the winding drum 53,
the sliding rail 52 is vertically and fixedly installed on the front side of the steel frame, and the fixed pulley 54 is installed at the upper end of the sliding rail 52 through a pulley bracket;
a rope 56 is wound on the winding drum 53, the free end of the rope 56 is wound around the fixed pulley 54 and is fixedly connected with the upper end of the C-shaped sliding block 51, so that the C-shaped sliding block 51 is arranged on the sliding rail 52 through the sliding fit of the sliding block sliding rail;
the lower end of the C-shaped sliding block 51 is correspondingly and fixedly connected with the rear end part of the square steel frame 31,
when a pair of C-shaped sliding blocks on the pair of transmission mechanisms are arranged on the pair of sliding rails in a sliding fit manner and move synchronously, the horizontal installation height of the square steel frame 31 on the pair of steel frames 21 can be adjusted.
Further, each slide rail 52 is evenly provided with a bolt hole, and a bolt penetrates through the bolt hole to fix the C-shaped slider 51 on the slide rail 52, so that the mounting height of the square steel frame 31 is fixed.
Further, a horizontal boss 33 is arranged between the pair of steel frames 21 corresponding to the rear side of the square steel frame 31, so that when the square steel frame 31 and the bailey truss 11 are located at the same horizontal position, the horizontal boss 33 corresponds to the bailey truss 11.
Further, a guardrail 311 is arranged on the outer edge of the upper end of the square steel frame 31.
Furthermore, the fixed connection positions of the Bailey truss 11 and the pair of steel frames 21 are respectively provided with an L-shaped welding angle steel 6.
Further, the pulley bracket 541 is a square frame horizontally arranged at the upper end of the slide rail 52, the axle of the fixed pulley 54 is horizontally installed in the square frame, so that the fixed pulley 54 is installed at the upper end of the slide rail 52,
the free end of the rope 56 passes through the fixed pulley 54 and extends vertically and downwards, and is fixed by penetrating through the upper end part of the C-shaped sliding block 51, and an anchor block is arranged on the rope 56 corresponding to the upper end penetrating through the C-shaped sliding block 51.
Example 2
A construction method for steel trestle steel pipe pile construction by adopting the liftable cantilever positioning guide frame,
the method specifically comprises the following steps:
s1: and connecting one end of the Bailey truss 11 with the Bailey beam at the front end of the laid trestle by a pin, and fixing the positioning guide frame.
S2: and lifting the construction platform frame 3 to be at the same horizontal position with the paved bailey beam at the front end of the trestle, and moving the constructor and the construction machine to the construction platform frame 3.
S3: the steel pipe pile is lifted to a pile driving position by a crane, the steel pipe pile is manually assisted to be in place, the steel pipe pile is driven by a vibration pile driving hammer, and the pile tops of the steel pipe piles spanning the same horizontal line are sequentially driven to the designed horizontal height.
S4: after the completion is beaten to the steel-pipe pile, demolish the stop device of installation, construction platform frame 3 drops to suitable position, and second steel sheet 32 provides constructor's working face, and the steel-pipe pile is located the installation guide area, and constructor can be for the welding construction of the parallel connection between the stake of steel-pipe pile and scissors antithetical couplet and pile bolck department bracket, still can carry out the welding work of the not co-altitude department of steel-pipe pile.
S5: after the steel pipe piles are arranged and welding operation among the piles is finished, the liftable cantilever positioning guide frame is detached and lifted away by the aid of a crane in a matched mode, a Bailey beam and a bridge floor of the next bridge span of the steel trestle are erected, and the following bridge spans are erected by the aid of the same construction method until the whole steel trestle is erected.
Therefore, in the construction process, the guide frame is processed into an integral structure, after a trestle is constructed, the guide frame is integrally hoisted and connected with a main beam of the trestle by using the crawler crane, the pile position is accurately discharged, after the pile position is controlled by adjusting the position of the guide wheel, the crawler crane is matched with the vibration hammer to pile along the measuring hole position, after the sinking of a row of steel pipe piles is finished, the guide frame is moved away, the distribution beam, the main beam and the bridge deck system are laid, and then the trestle construction of the next hole is carried out. The construction efficiency is improved.
It will be understood by those skilled in the art that the foregoing is only an exemplary embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, since various modifications, substitutions and improvements within the spirit and scope of the invention are possible and within the scope of the appended claims.
Claims (7)
1. A liftable formula cantilever location leading truck for steel trestle steel-pipe pile construction, its characterized in that:
the device comprises a cantilever steel frame (1) which is horizontally arranged, a guide rail fixing frame (2) which is vertically arranged and a construction platform frame (3) which is horizontally arranged;
the cantilever steel frame (1) comprises a Bailey truss (11) which is horizontally arranged and a first pedestrian steel plate (12) which is laid at the upper end of the Bailey truss (11),
the guide rail fixing frame (2) comprises a pair of cuboid steel frames (21), the pair of steel frames (21) are upright and are arranged at intervals correspondingly, the middle parts of the rear sides of the pair of steel frames (21) are fixedly connected with the Bailey truss (11), the upper ends of the pair of steel frames (21) are horizontally provided with connecting steel plates (22), and the connecting steel plates (22) are fixedly provided with double-shaft motors (4);
the construction platform frame (3) comprises a horizontally arranged square steel frame (31), a second steel plate (32) is horizontally laid in the square steel frame (31) to enable a rectangular notch formed at the front part of the square steel frame (31) to be an installation guide area (312) of the steel pipe pile,
the two ends of the rear side of the square steel frame (31) are correspondingly and movably connected with the front sides of the pair of steel frames (21) through a pair of transmission mechanisms, and when the double-shaft motor (4) drives the pair of transmission mechanisms to work, the horizontal installation height of the square steel frame (31) on the pair of steel frames (21) can be adjusted;
when the positioning guide frame is installed and used, the rear end of the Bailey truss (11) is in pin joint with the Bailey beam at the front end of the laid trestle.
2. The liftable cantilever positioning guide frame for steel trestle steel pipe pile construction according to claim 1, which is characterized in that:
each transmission mechanism comprises a C-shaped sliding block (51), a sliding rail (52), a winding drum (53), a fixed pulley (54) and a transmission shaft (55) which are vertically arranged,
the reel (53) is arranged on a connecting steel plate (22) at the upper end of the steel frame through a reel bracket (531),
one end of the transmission shaft (55) is connected with an output shaft of the double-shaft motor (4), the other end is connected with a drum shaft of the winding drum (53),
the sliding rail (52) is vertically and fixedly arranged at the front side of the steel frame, the fixed pulley (54) is arranged at the upper end of the sliding rail (52) through a pulley bracket (541),
a rope (56) is wound on the winding drum (53), the free end of the rope (56) is wound around the fixed pulley (54) and is fixedly connected with the upper end of the C-shaped sliding block (51), so that the C-shaped sliding block (51) is arranged on the sliding rail (52) in a sliding fit manner through a sliding block sliding rail;
the lower end of the C-shaped sliding block (51) is correspondingly and fixedly connected with the rear side end part of the square steel frame (31),
when a pair of C-shaped sliding blocks on the pair of transmission mechanisms are arranged on the pair of sliding rails in a sliding fit mode and move synchronously, the horizontal installation height of the square steel frame (31) on the pair of steel frames (21) can be adjusted.
3. The liftable cantilever positioning guide frame for steel trestle steel pipe pile construction according to claim 1, which is characterized in that: bolt holes are uniformly formed in each sliding rail (52), and bolts penetrate through the bolt holes to fix the C-shaped sliding blocks (51) on the sliding rails (52), so that the mounting height of the square steel frame (31) is fixed.
4. The liftable cantilever positioning guide frame for steel trestle steel pipe pile construction according to claim 1, which is characterized in that: a horizontal boss (33) is arranged between the pair of steel frames (21) corresponding to the rear side of the square steel frame (31), so that when the square steel frame (31) and the Bailey truss (11) are located at the same horizontal position, the horizontal boss (33) corresponds to the Bailey truss (11).
5. The liftable cantilever positioning guide frame for steel trestle steel pipe pile construction according to claim 1, which is characterized in that: the outer edge of the upper end of the square steel frame (31) is provided with a guardrail (311).
6. The liftable cantilever positioning guide frame for steel trestle steel pipe pile construction according to claim 1, which is characterized in that: and L-shaped welding angle steel (6) is arranged at the fixed connection part of the Bailey truss (11) and the pair of steel frames (21).
7. The liftable cantilever positioning guide frame for steel trestle steel pipe pile construction according to claim 1, which is characterized in that: the pulley bracket (541) is a square frame, the square frame is horizontally arranged at the upper end of the sliding rail (52), the wheel axle of the fixed pulley (54) is horizontally arranged in the square frame, so that the fixed pulley (54) is arranged at the upper end of the sliding rail (52),
the free end of the rope (56) passes around the fixed pulley (54) and extends vertically and downwards, and passes through the upper end part of the C-shaped sliding block (51) to be fixed, and an anchor block is arranged on the rope (56) and correspondingly passes through the upper end of the C-shaped sliding block (51).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210777953.3A CN115094765A (en) | 2022-07-04 | 2022-07-04 | A liftable formula cantilever location leading truck for construction of steel trestle steel-pipe pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210777953.3A CN115094765A (en) | 2022-07-04 | 2022-07-04 | A liftable formula cantilever location leading truck for construction of steel trestle steel-pipe pile |
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| CN115094765A true CN115094765A (en) | 2022-09-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117071557A (en) * | 2023-08-07 | 2023-11-17 | 保利长大工程有限公司 | Tubular pile sinking construction method of water trestle |
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2022
- 2022-07-04 CN CN202210777953.3A patent/CN115094765A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117071557A (en) * | 2023-08-07 | 2023-11-17 | 保利长大工程有限公司 | Tubular pile sinking construction method of water trestle |
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