Multifunctional construction platform for high bridge pier

Abstract

The invention discloses a high pier multifunctional construction platform which is characterized in that the high pier multifunctional construction platform comprises an upper main platform (3) and a lower main platform (3), the main platforms (3) are connected with triangular load-bearing hanging frames (2) respectively, and the triangular load-bearing hanging frames (2) are connected with load-bearing embedded holes of pier columns through positioning load-bearing pins (5); a jacking oil cylinder (6) is arranged on the triangular load-bearing hanging frame (2) of the lower main platform (3), and a jacking oil cylinder piston rod (7) of the jacking oil cylinder (6) is connected with an oil cylinder lug seat in the middle of the upper triangular load-bearing hanging frame (2). The positioning bearing pin is used as a bearing foundation of the climbing frame, and the climbing frame is simple in structure, not prone to falling off, higher in safety and capable of being repeatedly used. The triangular load-bearing hanging frame is of an integral type, the structure is simpler, the triangular load-bearing hanging frame can be conveniently connected with the jacking oil cylinder, and operation is more convenient. The whole climbing frame is few in structural component, light in weight, high in bearing capacity and easy to store and transport in a classified mode, and storage cost and transportation cost are correspondingly saved.

Description

Technical Field

[0001] The invention relates to the technical field of climbing frames for bridge pier construction, in particular to a multifunctional construction platform for high bridge piers. Background Art

[0002] A climbing frame is a platform facility used for the construction of high bridge piers. For example, Chinese patent 201410774891.6 previously applied for by the applicant discloses a bridge climbing frame mold turning and hanging basket integrated device, the structure of which includes a climbing frame mold turning device, and a main load-bearing longitudinal beam 1 and a main load-bearing cross beam 2 are provided on the top of the climbing frame mold turning device. The main load-bearing longitudinal beam 1 is connected to the bottom load-bearing longitudinal beam 4 and the bottom load-bearing cross beam 5 at the bottom of the climbing frame mold turning device through a support beam 3. The support beam 3 is connected to the climbing formwork mechanism 6, and the bottom load-bearing longitudinal beam 4 and the bottom load-bearing cross beam 5 are connected to the load-bearing vertical beam 7; the components of the climbing frame mold turning device can be converted into components of the hanging basket. Among them, the walking mechanism of the climbing formwork mechanism 6 includes a climbing frame cylinder 17, the climbing frame cylinder 17 is connected to the climbing frame lower stranglehold 18, and the climbing frame lower stranglehold 18 is connected to the climbing frame track 19. When the climbing frame mold turning device is moving, the climbing frame cylinder 17 and the climbing frame lower stranglehold 18 are adjusted to allow the climbing formwork mechanism 6 to climb upward until the device rises to the required distance, and then the load-bearing wedge is inserted to fix the formwork.

[0003] The applicant filed a new application in 2023, with application number 202311158815.8, which discloses a long-stroke climbing method for a climbing frame, characterized in that a plurality of layers of load-bearing wedge embedded holes (4) are provided; a load-bearing wedge (5) is inserted into the embedded hole (4); a low load-bearing wedge holder (6) and a high load-bearing wedge holder (7) are hung and installed on the load-bearing wedge (5), and then connected to the upper and lower platform beams (8); an oil cylinder is connected to the upper and lower platform beams (8), and the upper and lower platforms are respectively fixed or loosened from the bridge piers, and the upper and lower platforms can be climbed or lowered mutually by the telescopic action of the oil cylinder. The present invention adopts the combination of load-bearing wedges and embedded holes as the load-bearing foundation of the climbing frame, and only embedded holes need to be reserved on the pier column, so that the structure is simple, the construction is fast, the climbing stroke is long, the synchronization error is small, and the climbing efficiency is high.

[0004] For the climbing frame structure, how to further improve the firmness and simplicity of the connection with the pier, further simplify the structure, shorten the on-site splicing time and reduce the labor intensity of workers has research value and significance. Summary of the invention

[0005] The purpose of the present invention is to provide a multifunctional construction platform for high bridge piers, which has the characteristics of simple structure, firm connection, and convenient use.

[0006] The technical solution of the present invention is as follows: a multifunctional construction platform for high bridge piers, comprising upper and lower main platforms, the main platforms are respectively connected to triangular load-bearing hangers, the triangular load-bearing hangers are connected through positioning load-bearing pins and load-bearing pre-embedded holes of pier columns; a lifting cylinder is provided on the triangular load-bearing hanger of the lower main platform, and the lifting cylinder piston rod of the lifting cylinder is connected to the cylinder ear seat in the middle of the upper triangular load-bearing hanger.

[0007] The positioning load-bearing pin includes a pin body shell, a bottom end cover is provided at one end of the pin body shell, a screw is inserted into the other end of the pin body shell, a positioning wedge is provided on the outside of the end of the pin body shell inserted into the screw, and a steel ball is provided at the end of the pin body shell connected to the bottom end cover.

[0008] The triangular load-bearing hanger includes a hanger frame, a lifting cylinder base is provided on the top of the hanger frame, a guide mechanism is provided at the bottom of the hanger frame, a positioning load-bearing pin connecting plate is provided on one side of the hanger frame, a platform fixing chain plate is provided on the other side of the hanger frame, and a load-bearing platform channel steel is provided on the hanger frame.

[0009] The main platform includes a fixed platform in the middle, and both ends of the fixed platform are connected to the folding platform through connecting groove plates and fixing holes. A crescent connecting plate is provided between the fixed platform and the folding platform. The crescent connecting plate is connected to one end of the piston rod of the folding cylinder through a horizontal tie rod, and the other end of the folding cylinder is connected to a cylinder seat installed on the fixed platform.

[0010] The main platform is connected to the secondary platform via a platform positioner, and the platform positioner comprises a main platform mounting port and a secondary platform mounting port vertically arranged with respect to the main platform mounting port.

[0011] Beneficial effects of the present invention: 1. The present invention adopts a positioning load-bearing pin as the load-bearing foundation of the climbing frame, assembles the positioning load-bearing pin assembly into place, and buries it in concrete as a pre-embedded part. After the concrete solidifies, loosen the positioning load-bearing pin screw, take out the screw, hoist the triangular load-bearing bracket into place, tighten the screw, and the installation is completed. The steel ball of the positioning load-bearing pin is prevented from sliding outward by the axial force, and the outer shell and the screw are subjected to radial force to bear the deadweight and external load of the entire climbing frame. The structure is simple, and compared with the previous load-bearing wedge, it is not easy to fall off and has higher safety. After use, the positioning load-bearing pin can be taken out as a whole and reused, avoiding material waste and saving costs. The triangular load-bearing bracket is an integral type, with a simpler structure, convenient connection with the jacking cylinder, and the guide mechanism thereon is more convenient for guiding and positioning during climbing. The triangular load-bearing bracket can be quickly connected to the main platform and the secondary platform, and the operation is simpler and more convenient.

[0012] 2. The main platform adopts an expandable folding design, which can be used as a climbing platform or as a construction platform alone. The flexible use of the main platform to fully expand it or expand one end and fold the other end can meet the size requirements of most bridge piers, avoiding the splicing of on-site platforms. The secondary platform can be quickly connected through the platform positioner, which is easy to operate.

[0013] 3. The entire climbing frame has few structural components, light weight and strong load-bearing capacity. During installation, the structural components are few and easy to install, which can save time and labor costs. During storage and transportation, the main platform can be folded to reduce the size, which is easy to store and transport by classification, thus saving storage and transportation costs accordingly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 This is a structural schematic diagram of the positioning load-bearing pin of the present invention; Figure 3 It is a structural schematic diagram of the main platform of the present invention; Figure 4 This is a structural schematic diagram of the positioning load-bearing pin of the present invention; Figure 5 It is a structural schematic diagram of the platform positioner of the present invention; 1. Pier column, 2. Triangular load-bearing bracket, 3. Main platform, 4. Platform positioner, 5. Positioning load-bearing pin, 6. Lifting cylinder housing, 7. Lifting cylinder piston rod, 8. Lifting cylinder base, 9. Lifting cylinder upper ear seat, 10. Secondary platform; 21. Positioning load-bearing pin connecting plate, 22. Hanger frame, 23. Guide mechanism, 24. Lifting cylinder base, 25. Platform fixing chain plate, 26. Load-bearing platform channel steel; 31. Fixed platform, 32. Folding platform, 33. Connecting groove plate, 34. Crescent connecting plate, 35. Transverse tie rod, 36. Folding cylinder, 37. Cylinder seat, 38. Fixing hole; 41. Main platform installation port, 42. Secondary platform installation port; 51. Pin body housing, 52. Bottom end cover, 53. Screw, 54. Steel ball, 55. Positioning wedge. DETAILED DESCRIPTION

[0015] The present invention is further described below in conjunction with the accompanying drawings and embodiments, but they are not intended to limit the present invention.

[0016] Embodiment 1 of the present invention. A multifunctional construction platform for high bridge piers, such as Figure 1-5As shown, it includes upper and lower main platforms 3, which are respectively connected to triangular load-bearing hangers 2, which are connected to the load-bearing pre-buried holes of the piers through positioning load-bearing pins 5; a lifting cylinder 6 is provided on the triangular load-bearing hanger 2 of the lower main platform 3, and a lifting cylinder piston rod 7 of the lifting cylinder 6 is connected to the cylinder ear seat in the middle of the upper triangular load-bearing hanger 2. The overall structure of this construction platform is more modular, and it is easy to install on site, which can save time and labor costs.

[0017] The positioning load-bearing pin 5 comprises a pin housing 51, one end of which is provided with a bottom end cover 52, the other end of which is inserted with a screw 53, a positioning wedge 55 is provided on the outer side of the end of the pin housing 51 into which the screw 53 is inserted, and a steel ball 54 is provided at the end of the pin housing 51 connected to the bottom end cover 52. The positioning load-bearing pin 5 assembly is assembled in place and buried in concrete as a pre-embedded part. After the concrete solidifies, the screw 53 is loosened, the screw 53 is taken out, the triangular load-bearing bracket 2 is hoisted in place, and the screw 53 is tightened, and the installation is completed. The steel ball 54 of the positioning load-bearing pin 5 is prevented from sliding outward by the axial force, and the pin housing 51 and the screw 53 are subjected to radial force to bear the deadweight of the entire formwork and external loads.

[0018] The triangular load-bearing pylon 2 comprises a pylon frame 22, a jacking cylinder base 24 is provided on the top of the pylon frame 22, a guide mechanism 23 is provided on the bottom of the pylon frame 22, a positioning load-bearing pin connecting plate 21 is provided on one side of the pylon frame 22, a platform fixing chain plate 25 is provided on the other side of the pylon frame 22, and a load-bearing platform channel steel 26 is provided on the pylon frame 22. The triangular load-bearing pylon 2 is simpler in design and more convenient to connect with components above and below the platform.

[0019] Embodiment 2. A multifunctional construction platform for high bridge piers, comprising upper and lower main platforms 3, the main platforms 3 are respectively connected to triangular load-bearing hangers 2, the triangular load-bearing hangers 2 are connected to the load-bearing pre-buried holes of the pier column through positioning load-bearing pins 5; a lifting cylinder 6 is provided on the triangular load-bearing hanger 2 of the lower main platform 3, and a lifting cylinder piston rod 7 of the lifting cylinder 6 is connected to the cylinder ear seat in the middle of the upper triangular load-bearing hanger 2. The triangular load-bearing hanger 2 and the positioning load-bearing pin 5 are the same as those in Embodiment 1.

[0020] The main platform 3 includes a fixed platform 31 in the middle, and both ends of the fixed platform 31 are connected to the folding platform 32 through connecting groove plates 33 and fixing holes 38. A crescent connecting plate 34 is provided between the fixed platform 31 and the folding platform 32. The crescent connecting plate 34 is connected to one end of the piston rod of the folding cylinder 36 through a horizontal tie rod 35. The other end of the folding cylinder 36 is connected to a cylinder seat 37 installed on the fixed platform 31. The length can be adjusted by folding, which can meet most construction requirements.

[0021] The main platform 3 is connected to the secondary platform 10 via a platform positioner 4. The platform positioner 4 includes a main platform mounting port 41 and a secondary platform mounting port 42 vertically arranged to the main platform mounting port 41. The main platform 3 and the secondary platform 10 are connected via the platform positioner 4, and installation is quick.

[0022] When in use, when pouring the bridge piers, assemble the positioning load-bearing pin 5 assembly into place and bury it in the concrete as a pre-embedded part. After the concrete solidifies, loosen the screw 53 of the positioning load-bearing pin 5, take out the screw 53, hoist the triangular load-bearing bracket 2 into place, tighten the screw 53, and the installation is complete. The steel ball 54 of the positioning load-bearing pin 5 is prevented from sliding outward by the axial force, and the pin body shell 51 and the screw 53 are subjected to radial force to bear the deadweight and external load of the entire climbing frame. The triangular load-bearing bracket 2 is connected to the jacking cylinder 6, and the jacking cylinder piston rod 7 of the jacking cylinder 6 is connected to the cylinder ear seat in the middle of the upper triangular load-bearing bracket 2. The triangular load-bearing bracket 2 is quickly connected to the main platform 3 and the secondary platform 10 respectively, as shown in FIG. Figure 1 The triangular load-bearing bracket 2 and the platform shown are divided into two parts, the lower part. After the lower triangular load-bearing bracket 2 is firmly fixed to the bridge pier through the positioning load-bearing pin 5, the upper triangular load-bearing bracket 2 and the platform are lifted up through the lifting cylinder 6 to realize the operations such as steel bar binding and concrete pouring on the upper part of the bridge pier. After the operation is completed, the lower positioning load-bearing pin 5 is loosened, the upper triangular load-bearing bracket 2 is fixed to the bridge pier through the positioning load-bearing pin 5, and the lifting cylinder piston rod 7 of the lifting cylinder 6 is driven to contract, which drives the entire lower platform to rise. Repeat the above actions, and the entire construction platform can realize the alternating rise of the upper and lower platforms.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multifunctional construction platform for high bridge piers, characterized in that: The utility model comprises an upper and lower main platform (3), the main platform (3) being respectively connected to a triangular load-bearing hanger (2), the triangular load-bearing hanger (2) being connected to the load-bearing pre-buried hole of the pier column through a positioning load-bearing pin (5); a lifting cylinder (6) is provided on the triangular load-bearing hanger (2) of the lower main platform (3), and a lifting cylinder piston rod (7) of the lifting cylinder (6) is connected to a cylinder ear seat in the middle of the upper triangular load-bearing hanger (2).

2. The multifunctional construction platform for high bridge piers according to claim 1 is characterized in that: The positioning load-bearing pin (5) comprises a pin housing (51), one end of the pin housing (51) is provided with a bottom end cover (52), the other end of the pin housing (51) is inserted with a screw rod (53), a positioning wedge (55) is provided on the outer side of the end of the pin housing (51) inserted with the screw rod (53), and a steel ball (54) is provided at one end of the pin housing (51) connected to the bottom end cover (52).

3. The multifunctional construction platform for high bridge piers according to claim 1 is characterized in that: The triangular load-bearing pylon (2) comprises a pylon frame (22), a jacking cylinder base (24) is provided at the top of the pylon frame (22), a guide mechanism (23) is provided at the bottom of the pylon frame (22), a positioning load-bearing pin connecting plate (21) is provided on one side of the pylon frame (22), a platform fixing chain plate (25) is provided on the other side of the pylon frame (22), and a load-bearing platform channel steel (26) is provided on the pylon frame (22).

4. The multifunctional construction platform for high bridge piers according to claim 1 is characterized in that: The main platform (3) comprises a fixed platform (31) in the middle, wherein both ends of the fixed platform (31) are connected to the folding platform (32) via connecting groove plates (33) and fixing holes (38), a crescent connecting plate (34) is provided between the fixed platform (31) and the folding platform (32), and the crescent connecting plate (34) is connected to one end of a piston rod of a folding oil cylinder (36) via a cross tie rod (35), and the other end of the folding oil cylinder (36) is connected to a cylinder seat (37) mounted on the fixed platform (31).

5. The multifunctional construction platform for high bridge piers according to claim 1 is characterized in that: The main platform (3) is connected to the secondary platform (10) via a platform positioner (4), wherein the platform positioner (4) comprises a main platform mounting opening (41) and a secondary platform mounting opening (42) arranged perpendicular to the main platform mounting opening (41).

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