Construction frame for elevated bridge

Abstract

The utility model relates to the technical field of bridge construction, and provides a construction frame for a viaduct, which comprises a main frame, wheels and a hanging basket body, the two hanging basket bodies are connected with the two ends, in the transverse bridge direction, of the main frame so as to be hung on the two sides of a bridge. The main frame comprises two telescopic assemblies arranged at intervals in the longitudinal bridge direction and a supporting assembly connected between the two telescopic assemblies. The two hanging basket bodies are connected to the two ends, in the transverse bridge direction, of the main frame in a hanging mode and used for construction of the two sides of a bridge, and compared with a single-side hanging basket hanging mode, the structural stability is improved. Through the telescopic assembly of the main frame, the two hanging basket bodies are close to or away from each other, so that the hanging basket can be suitable for bridges with different bridge deck widths, the construction efficiency is improved, and the construction cost is reduced. The locking assemblies are arranged on one sides of the wheels to limit rotation of the wheels, so that the scaffold is stably parked on the bridge floor, stability is improved, and construction safety is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge construction, and in particular relates to a construction frame for an elevated bridge. Background Art

[0002] In current bridge construction projects, bridge construction frames are essential equipment. Traditional bridge construction frames are hung on one side of the bridge and are used to construct the transverse edge structure of the bridge. However, the current construction frames are not suitable for the construction of edge structures of bridges of different widths. The construction frames need to be replaced according to different bridge deck widths, which reduces construction efficiency. In addition, the existing single-side hanging construction frame method is not conducive to improving the stability of the construction frame. Utility Model Content

[0003] In response to the above-mentioned problems in the prior art, the present application proposes a construction frame for an elevated bridge, which realizes the construction frames on both sides of the bridge to move closer or further away from each other through a telescopic structure arranged in the transverse direction of the bridge, so as to be suitable for the construction of bridges of different widths, improve construction efficiency, and enhance the stability of the construction frame.

[0004] The utility model proposes a construction frame for an elevated bridge, comprising: a main frame, wheels and a hanging basket body; there are two hanging basket bodies, which are respectively connected to the two ends of the main frame in the transverse direction of the bridge so as to be suspended on both sides of the bridge; the main frame is located above the bridge, and the wheels are located between the main frame and the bridge, and are used to drive the main frame to move along the longitudinal direction of the bridge; the main frame comprises two telescopic components arranged at intervals along the longitudinal direction of the bridge and a supporting component connected between the two telescopic components; the telescopic component comprises a fixed rod, a telescopic rod and a telescopic driving member; the two ends of the fixed rod are respectively connected to one of the telescopic rods in the transverse direction of the bridge, and the telescopic driving member is arranged on the fixed rod, cooperates with the telescopic rod, and drives the telescopic rod to telescope along the transverse direction of the bridge; the hanging basket body is connected to the end of the telescopic rod facing away from the fixed rod.

[0005] Furthermore, one end of the telescopic rod extends into the fixed rod along the transverse bridge direction, and the telescopic driving member is arranged in the fixed rod, and the telescopic driving member includes a slider, a gear, a rack, a driving motor and a transmission member; the slider is connected to the telescopic rod, the gear is meshed with the rack, the rack is parallel to the telescopic rod and connected to the slider, the driving motor is connected to the transmission member, and the transmission member is connected to the gear for driving the gear to rotate.

[0006] Furthermore, the transmission member includes a rotating shaft and a meshing worm wheel and a worm; the rotating shaft is coaxially connected to the gear and the worm wheel, and the worm is connected to the output shaft of the drive motor.

[0007] Furthermore, the telescopic driving member includes two racks, which are respectively meshed with the upper end and the lower end of the gear, and the two racks are respectively connected to two telescopic rods; the gear is arranged between the two telescopic rods.

[0008] Furthermore, a locking assembly is provided on one side of the wheel to limit the rotation of the wheel.

[0009] Furthermore, the locking assembly includes a limiting wheel, a limiting hole, a cylinder and a locking rod; the limiting wheel is arranged at the axial end of the wheel, and a plurality of limiting holes are circumferentially arranged at the end of the limiting wheel facing away from the wheel; the cylinder is fixed to one end of the limiting wheel, and a push rod of the cylinder is connected to the locking rod, and the extension direction of the push rod is perpendicular to the axial end of the limiting wheel and points to any one of the limiting holes to push the locking rod into or out of the limiting hole.

[0010] Furthermore, the support assembly includes a support longitudinal rod arranged along the longitudinal bridge direction; both ends of the support longitudinal rod are respectively connected to the fixing rods of the two telescopic assemblies.

[0011] Furthermore, the support assembly includes a support cross bar arranged along the transverse bridge direction, there are multiple support longitudinal bars, and the multiple support longitudinal bars are arranged at intervals along the transverse bridge direction, and the support cross bar is supported and connected between two adjacent support longitudinal bars.

[0012] Furthermore, the construction frame for the elevated bridge also includes an operating platform, the supporting crossbars are connected to vertical poles, and the operating platform is arranged on the vertical poles.

[0013] Furthermore, the operating table includes a horizontally arranged H-shaped frame and handrails arranged at both ends of the H-shaped frame; the H-shaped frame is connected to the vertical pole.

[0014] The beneficial effects of the utility model are as follows: by suspending and connecting two hanging basket bodies at both ends of the transverse bridge of the main frame, the construction on both sides of the bridge is improved in terms of structural stability compared to the method of suspending the hanging basket on one side. Through the telescopic components of the main frame, the two hanging basket bodies can be brought closer or farther away, so that it can be applied to bridges with different bridge deck widths, improve construction efficiency, and reduce construction costs. By arranging a locking component on one side of the wheel to limit the rotation of the wheel, the construction frame can be stably parked on the bridge deck, thereby improving stability and ensuring construction safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a three-dimensional structural schematic diagram of a construction frame for an elevated bridge.

[0016] Figure 2 for Figure 1 Schematic top view of .

[0017] Figure 3 for Figure 2 Schematic cross-sectional view of AA.

[0018] Figure 4 for Figure 1 An enlarged schematic diagram of the locking assembly at B in the figure.

[0019] Figure 5 for Figure 3 Schematic cross-sectional view of the locking assembly at D in the middle.

[0020] Figure 6 for Figure 3 Schematic diagram of the enlarged structure of the telescopic drive component at C in the middle.

[0021] In the figure, 1-bridge; 2-pier; 3-fixing rod; 4-support longitudinal rod; 5-support cross rod; 6-vertical rod; 7-telescopic rod; 8-hanging basket body; 9-H-frame; 10-handrail; 11-control key; 12-wheel; 13-cylinder; 14-limiting wheel; 15-limiting hole; 16-locking rod; 17-slider; 18-rack; 19-gear; 20-turbine; 21-rotating shaft; 22-worm; 23-driving motor. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] like Figure 1-6 The construction frame for the elevated bridge shown in the figure comprises: a main frame, wheels 12, a hanging basket body 8, a locking assembly and an operating platform. Figure 1 , Figure 2 As shown, there are two hanging basket bodies 8, which are respectively connected to the two ends of the main frame in the transverse direction of the bridge to be suspended on both sides of the bridge, wherein the transverse direction of the bridge is the width direction of the bridge deck, and the longitudinal direction of the bridge is the length direction of the bridge deck; the main frame is located above the bridge, and the wheels 12 are located between the main frame and the bridge, and are used to drive the main frame to move along the longitudinal direction of the bridge; the main frame includes two telescopic components spaced apart along the longitudinal direction of the bridge and a supporting component connected between the two telescopic components; the telescopic component includes a fixed rod 3, a telescopic rod 7 and a telescopic driving member; the two ends of the fixed rod 3 are respectively connected with a telescopic rod 7 along the transverse direction of the bridge, and the telescopic driving member is arranged on the fixed rod 3, and cooperates with the telescopic rod 7 to drive the telescopic rod 7 to telescope along the transverse direction of the bridge; the end of the telescopic rod 7 facing away from the fixed rod 3 is connected with the hanging basket body 8.

[0024] One end of the telescopic rod 7 extends into the fixed rod 3 along the horizontal bridge direction, and the telescopic drive member is arranged in the fixed rod 3. The telescopic drive member includes a slider 17, a gear 19, a rack 18, a drive motor 23 and a transmission member; the slider 17 is connected to the telescopic rod 7, the gear 19 is meshed with the rack 18, the rack 18 is parallel to the telescopic rod 7 and connected to the slider 17, the drive motor 23 is connected to the transmission member, and the transmission member is connected to the gear 19 to drive the gear 19 to rotate. The transmission member includes a rotating shaft 21 and a meshing worm wheel and a worm 22; the rotating shaft 21 is coaxially connected to the gear 19 and the worm wheel, and the worm 22 is connected to the output shaft of the drive motor 23.

[0025] The telescopic drive member includes two racks 18 , which are respectively meshed with the upper end and the lower end of a gear 19 , and the two racks 18 are respectively connected to the two telescopic rods 7 ; the gear 19 is disposed between the two telescopic rods 7 .

[0026] Take a telescopic assembly as an example, the telescopic assembly includes a fixed rod 3 and two telescopic rods 7, the two telescopic rods 7 are respectively located at the two ends of the fixed rod 3, and both telescopically cooperate with the fixed rod 3, and the telescopic direction is the transverse bridge direction. The fixed rod 3 has a telescopic channel in the transverse bridge direction, one end of the two telescopic rods 7 is inserted into the telescopic channel of the fixed rod 3, and a gear 19 of a telescopic drive member, a transmission member and a driving motor 23 are also arranged between the two telescopic rods 7. Therefore, the synchronous telescopic movement of the two telescopic rods 7 of the telescopic assembly can be achieved by using a driving motor 23.

[0027] When the output shaft of the driving motor 23 rotates, the worm 22 rotates accordingly, driving the worm wheel meshing with it to rotate, driving the rotating shaft 21 connected to the worm wheel to rotate coaxially, thereby driving the gear 19 connected to the rotating shaft 21 to rotate, and the gear 19 rotates to drive the rack 18 meshing with it to move along the transverse direction of the bridge, and the rack 18 drives the slider 17 and the telescopic rod 7 fixedly connected to the slider 17 to move along the moving direction of the rack 18, thereby realizing the telescopic rod 7. The two hanging basket bodies 8 are brought closer or farther away, so as to be suitable for the construction of bridge decks of different widths.

[0028] In some embodiments, the slider 17 may be omitted, and the rack 18 may be directly fixed on the telescopic rod 7 .

[0029] A locking assembly is also provided on one side of the wheel 12 to limit the rotation of the wheel 12. In this embodiment, at least two wheels 12 are provided at the lower end of each fixing rod 3. Under the action of the wheels 12, the movement of the construction frame on the bridge deck is realized.

[0030] The locking assembly includes a limiting wheel 14, a limiting hole 15, a cylinder 13 and a locking rod 16; the limiting wheel 14 is arranged at the axial end of the wheel 12, and a plurality of limiting holes 15 are circumferentially arranged at the end of the limiting wheel 14 facing away from the wheel 12; the cylinder 13 is fixed to one end of the limiting wheel 14, and the push rod of the cylinder 13 is connected to the locking rod 16, and the extension direction of the push rod is perpendicular to the axial end of the limiting wheel 14 and points to any limiting hole 15 to push the locking rod 16 into or out of the limiting hole 15.

[0031] When the rotation of the wheel 12 needs to be limited, the push rod of the cylinder 13 is pushed out, so that the locking rod 16 at the end of the push rod extends into the limiting hole 15, limiting the rotation of the limiting wheel 14, thereby also limiting the rotation of the wheel 12. The cylinder 13 is fixedly connected to the fixing rod 3.

[0032] In some embodiments, the locking assembly further includes a limiting tooth, which is used to replace the limiting wheel 14 and the limiting hole 15 thereon. The limiting tooth is fixed to the axial end of the wheel 12, and the locking rod 16 of the push rod can extend into any tooth groove of the limiting tooth to limit the rotation of the limiting tooth, thereby locking the wheel 12.

[0033] like Figure 1 As shown, the support assembly includes a support longitudinal rod 4 arranged along the longitudinal bridge direction and a support cross rod 5 arranged along the transverse bridge direction; the two ends of the support longitudinal rod 4 are respectively connected to the fixed rods 3 of the two telescopic assemblies. There are multiple support longitudinal rods 4, and the multiple support longitudinal rods 4 are arranged at intervals along the transverse bridge direction, and the support cross rod 5 is supported and connected between two adjacent support longitudinal rods 4. The support cross rod 5 is connected to the vertical rod 6, and the vertical rod 6 is provided with an operating table. The operating table includes a horizontally arranged H-shaped frame 9 and handrails 10 arranged at both ends of the H-shaped frame 9; the H-shaped frame 9 is connected to the vertical rod 6. The H-shaped frame 9 is provided with a switch key or control key 11 for electrically connecting to the drive motor 23 and the cylinder 13.

[0034] The above are only preferred implementations of the utility model. The protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of ​​the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims

1. A construction frame for an elevated bridge, characterized in that: include: A main frame, wheels and a hanging basket body; the hanging basket body has two parts, which are respectively connected to the cross bridge of the main frame at both ends to be suspended on both sides of the bridge; The main frame is located above the bridge, and the wheels are located between the main frame and the bridge, and are used to drive the main frame to move along the longitudinal direction of the bridge; the main frame includes two telescopic components spaced apart along the longitudinal direction of the bridge and a support component connected between the two telescopic components; the telescopic component includes a fixed rod, a telescopic rod and a telescopic driving member; the two ends of the fixed rod are respectively connected to a telescopic rod along the transverse direction of the bridge, and the telescopic driving member is arranged on the fixed rod and cooperates with the telescopic rod to drive the telescopic rod to telescope along the transverse direction of the bridge; the end of the telescopic rod facing away from the fixed rod is connected to a hanging basket body.

2. A construction frame for an elevated bridge according to claim 1, characterized in that: One end of the telescopic rod extends into the fixed rod along the transverse bridge direction, and the telescopic driving member is arranged in the fixed rod. The telescopic driving member includes a slider, a gear, a rack, a driving motor and a transmission member; the slider is connected to the telescopic rod, the gear is meshed with the rack, the rack is parallel to the telescopic rod and connected to the slider, the driving motor is connected to the transmission member, and the transmission member is connected to the gear for driving the gear to rotate.

3. A construction frame for an elevated bridge according to claim 2, characterized in that: The transmission member includes a rotating shaft and a meshing worm wheel and a worm; the rotating shaft is coaxially connected to the gear and the worm wheel, and the worm is connected to the output shaft of the driving motor.

4. The construction frame for an elevated bridge according to claim 2, characterized in that: The telescopic driving member comprises two racks, which are respectively meshed with the upper end and the lower end of the gear and are respectively connected with two telescopic rods; the gear is arranged between the two telescopic rods.

5. The construction frame for an elevated bridge according to claim 1, characterized in that: A locking assembly is also provided on one side of the wheel to limit the rotation of the wheel.

6. The construction frame for an elevated bridge according to claim 5, characterized in that: The locking assembly includes a limiting wheel, a limiting hole, a cylinder and a locking rod; the limiting wheel is arranged at the axial end of the wheel, and a plurality of limiting holes are circumferentially arranged at the end of the limiting wheel facing away from the wheel; the cylinder is fixed to one end of the limiting wheel, and a push rod of the cylinder is connected to the locking rod, and the extension direction of the push rod is perpendicular to the axial end of the limiting wheel and points to any one of the limiting holes to push the locking rod into or out of the limiting hole.

7. The construction frame for an elevated bridge according to claim 1, characterized in that: The support assembly comprises a support longitudinal rod arranged along the longitudinal bridge direction; two ends of the support longitudinal rod are respectively connected to the fixing rods of the two telescopic assemblies.

8. The construction frame for an elevated bridge according to claim 7, characterized in that: The support assembly includes a support cross bar arranged along the transverse bridge direction, and there are multiple support longitudinal bars, which are arranged at intervals along the transverse bridge direction. The support cross bar is supported and connected between two adjacent support longitudinal bars.

9. The construction frame for an elevated bridge according to claim 8, characterized in that: The construction frame for the elevated bridge also includes an operating platform. The supporting crossbar is connected to a vertical pole, and the operating platform is arranged on the vertical pole.

10. The construction frame for an elevated bridge according to claim 9, characterized in that: The operating table comprises a horizontally arranged H-shaped frame and handrails arranged at both ends of the H-shaped frame; the H-shaped frame is connected to the vertical pole.

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