Aerial work suspension cage for bridge engineering bent cap bracket installation construction

Abstract

The utility model discloses a high-altitude operation cage for bridge engineering bent cap bracket installation construction, which comprises a top support frame and two hanging baskets respectively arranged at the lower parts of the two ends of the top support frame, and the top support frame comprises two steel beams and a top truss connected between the middle parts of the two steel beams; a cross arm is arranged between the two ends of each steel beam, the two ends of each cross arm are each provided with a lifting hanging bracket for installing a hanging basket in a sliding mode, the two ends of each cross arm are each provided with a chain block, and a roller supporting mechanism is arranged on the inner side of the hanging basket. The lifting device is reasonable in structural design, the hanging baskets are arranged below the two ends of the top supporting frame respectively to serve as aerial work hanging cages, the hanging baskets can ascend and descend, the aerial work hanging cages can be effectively prevented from shaking in the construction process, the safety of construction workers is guaranteed, meanwhile, the two hanging baskets are located on the two sides of a cover beam respectively, and the safety of the construction workers is guaranteed. Corbels on the two sides of the bent cap can be constructed at the same time, and the construction efficiency of the corbels of the bent cap can be effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge construction, and in particular relates to a high-altitude working cage for installing and constructing a cap beam corbel of a bridge project. Background Art

[0002] With the demand for aesthetics in modern society, urban bridges have transformed from simple functional requirements to dual requirements of appearance and function. Traditional practices for cap beam formwork support include: full-frame support, inclined column support and corbel support; full-frame support is to set up steel pipe scaffolding support, but it requires high bearing capacity of the foundation of the lower supporting soil; inclined column support on the pedestal will have the disadvantages of complex formwork support system, reduced overall safety and high cost. Therefore, corbel support can be preferred by the construction party. Corbel support means that the cap beam is supported by corbels during construction, so that the cap beam formwork system is supported on the top of the corbels.

[0003] Traditionally, the installation of cap beam corbels uses a homemade hanging basket, which is hoisted to high altitude by a crane, and workers stand in the homemade hanging basket to install the corbels. During the use of the homemade hanging basket, if it is operated on a windy day, the hanging basket will swing in the air, which is extremely prone to safety accidents; and during the construction of the corbels, the hanging basket needs to be lifted by a crane, which has great limitations. The corbels on both sides of the cap beam need to be constructed separately, and the construction efficiency of the corbels is not high. Therefore, it is necessary to propose a safe and reliable aerial work cage for the installation of cap beam corbels in bridge engineering. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a high-altitude work cage for the installation and construction of the corbels of bridge engineering cap beams in view of the deficiencies in the above-mentioned prior art. The structure is reasonably designed. A hanging basket is respectively arranged under the two ends of the top support frame as the high-altitude work cage, and the hanging basket can be raised and lowered, which can effectively ensure the stability of the high-altitude work cage, avoid shaking of the high-altitude work cage during construction, and ensure the safety of construction workers. At the same time, the two hanging baskets are respectively located on both sides of the cap beam, so the corbels on both sides of the cap beam can be constructed at the same time, which can effectively improve the construction efficiency of the cap beam corbels.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a high-altitude work cage for the installation and construction of the corbel of the bridge engineering cap beam, characterized in that: it includes a top support frame for supporting the cap beam and two hanging baskets respectively arranged at the lower parts of the two ends of the top support frame, the two hanging baskets are respectively placed on both sides of the cap beam, the top support frame includes two steel beams and a top truss connected between the middle parts of the two steel beams, a cross arm is respectively arranged between the two ends of the two steel beams, and a lifting hanger for the hanging basket to be installed is respectively slidably installed at both ends of the cross arm, the upper parts of the two ends of the hanging basket are respectively connected to the bottoms of the two lifting hangers, and the two ends of the cross arm are respectively provided with a hand winch for driving the hanging basket to lift, and the inner side of the hanging basket is provided with a roller support mechanism for rolling contact with the cap beam.

[0006] The above-mentioned high-altitude working cage for the installation and construction of the cap beam corbels of a bridge project is characterized in that the steel beam is an I-beam beam, and two mounting plates for the installation of the top trusses are arranged on the top of the steel beam.

[0007] The above-mentioned aerial work cage for the installation and construction of the cap beam corbels of bridge engineering is characterized in that the top truss includes two transverse supports and a plurality of longitudinal supports connected between the two transverse supports, and the two ends of the transverse supports are respectively connected to the mounting plates on the top of the two steel beams by bolts.

[0008] The above-mentioned aerial work cage for the installation and construction of the cap beam corbels of bridge engineering is characterized in that: the cross arm includes a cross arm main body and two guide frames which are respectively arranged at both ends of the cross arm main body and guide the lifting hanger, the cross arm main body includes two cross bars and a plurality of longitudinal bars connected between the two cross bars, the guide frame includes two vertical positioning rods respectively installed at one end of the two cross bars, and a plurality of longitudinal connecting rods are connected between the two vertical positioning rods.

[0009] The above-mentioned aerial work cage for the installation and construction of the corbels of the bridge engineering cap beam is characterized in that one side of the vertical positioning rod is fixed to the inner side of the steel beam, the longitudinal connecting rod is connected to the other side of the vertical positioning rod, and the lifting hanger is slidably arranged in the channel formed by the steel beam, the longitudinal connecting rod and the two vertical positioning rods.

[0010] The above-mentioned high-altitude work cage for the installation and construction of the cap beam corbels of bridge engineering is characterized in that the vertical positioning rod and the cross bar are connected by bolts, and the side of the vertical positioning rod and the end of the cross bar are both installed with bolt connecting plates for bolt installation.

[0011] The above-mentioned high-altitude work cage for the installation and construction of the cap beam corbels of bridge engineering is characterized in that a supporting rod is respectively arranged on the top of both ends of the hanging basket, the upper hook of the hand winch is hooked on the longitudinal rod at the end of the cross arm, and the lower hook of the hand winch is hooked on the supporting rod on the top of one end of the hanging basket.

[0012] The above-mentioned aerial work cage for the installation and construction of the cap beam corbel of a bridge project is characterized in that: the lifting hanger comprises two vertical hangers and a plurality of longitudinal ribs sequentially connected between the two vertical hangers from top to bottom;

[0013] A longitudinal limit rod is arranged on the top of the lifting hanger, and the longitudinal limit rod is connected to the upper parts of the two vertical hangers.

[0014] The above-mentioned high-altitude work cage for the installation and construction of the cap beam corbel of a bridge project is characterized in that a connecting ear for the installation of a hanging basket is installed at the bottom of the vertical suspension rod.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] 1. The utility model arranges a hanging basket as an aerial work cage under the two ends of the top support frame respectively, so that the aerial work cage can be directly straddled on the cap beam, thereby ensuring the stability of the aerial work cage and avoiding the shaking of the aerial work cage during the construction process, thereby ensuring the safety of the construction workers. At the same time, the two hanging baskets are respectively located on both sides of the cap beam, and the corbels on both sides of the cap beam can be constructed at the same time, which can effectively improve the construction efficiency of the cap beam corbels.

[0017] 2. The utility model installs the hanging basket under the top support frame in a liftable manner through a cross arm and a lifting hanger, and adopts a hand chain hoist to drive the hanging basket to rise and fall. During the construction of the corbel, there is no need to use a crane to lift the hanging basket, which is convenient for construction workers to operate.

[0018] 3. The utility model provides a roller support mechanism on the inner side of the hanging basket, so that both hanging baskets can be in rolling contact with both sides of the cap beam through the roller support mechanism, which can further ensure the stability of the hanging basket.

[0019] To sum up, the utility model has a reasonable structural design. By arranging a hanging basket as an aerial work cage under each end of the top support frame, and making the hanging basket liftable, the stability of the aerial work cage can be effectively guaranteed, the aerial work cage can be prevented from shaking during construction, and the safety of construction workers can be guaranteed. At the same time, the two hanging baskets are respectively located on both sides of the cap beam, and the corbels on both sides of the cap beam can be constructed at the same time, which can effectively improve the construction efficiency of the cap beam corbels.

[0020] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model after the hand chain hoist on one side of the cap beam is removed.

[0022] Figure 2 for Figure 1 Enlarged view of point A.

[0023] Figure 3 for Figure 1 Enlarged view of point B.

[0024] Figure 4 It is a plan view of the utility model.

[0025] Description of reference numerals:

[0026] 1—cap beam; 2—hanging basket; 3—steel beam;

[0027] 4—cross arm; 401—cross bar; 402—longitudinal bar;

[0028] 403—vertical positioning rod; 404—longitudinal connecting rod; 5—top truss;

[0029] 501—horizontal bracket; 502—vertical bracket; 6—mounting plate;

[0030] 7—lifting hanger; 701—vertical hanger; 702—longitudinal rib;

[0031] 703—longitudinal limit rod; 8—bolt connection plate; 9—hand chain hoist;

[0032] 10—Support rod; 11—Connecting ear; 12—Roller supporting mechanism. DETAILED DESCRIPTION

[0033] like Figures 1 to 4 As shown, the utility model includes a top support frame for supporting the cap beam 1 and two hanging baskets 2 respectively arranged at the lower parts of the two ends of the top support frame, the two hanging baskets 2 are respectively placed on both sides of the cap beam 1, the top support frame includes two steel beams 3 and a top truss 5 connected between the middle parts of the two steel beams 3, a cross arm 4 is respectively arranged between the two ends of the two steel beams 3, and a lifting hanger 7 for installing the hanging basket 2 is slidably installed at both ends of the cross arm 4, and the upper parts of the two ends of the hanging basket 2 are respectively connected to the bottoms of the two lifting hangers 7, and a hand winch 9 for driving the hanging basket 2 to lift is respectively arranged at both ends of the cross arm 4, and a roller support mechanism 12 for rolling contact with the cap beam 1 is provided on the inner side of the hanging basket 2.

[0034] In actual use, a hanging basket 2 is respectively arranged under the two ends of the top support frame as a high-altitude work cage, so that the high-altitude work cage can be directly straddled on the cap beam 1, to ensure the stability of the high-altitude work cage, avoid shaking of the high-altitude work cage during construction, and thus ensure the safety of construction workers. At the same time, the two hanging baskets 2 are respectively located on both sides of the cap beam 1, so the corbels on both sides of the cap beam 1 can be constructed at the same time, which can effectively improve the construction efficiency of the cap beam corbels.

[0035] It should be noted that the hanging basket 2 is installed under the top support frame in a liftable manner through the cross arm 4 and the lifting hanger 7, and the hand winch 9 is used to drive the hanging basket 2 to rise and fall. During the construction of the corbel, there is no need to use a crane to lift the hanging basket, which is convenient for construction workers to operate.

[0036] In addition, by arranging a roller support mechanism 12 on the inner side of the hanging basket 2, the two hanging baskets 2 can be in rolling contact with both sides of the cap beam 1 through the roller support mechanism 12, which can further ensure the stability of the hanging basket 2.

[0037] In actual use, the roller support mechanism 12 includes a support installed on the inner side of the hanging basket 2, a telescopic rod connected to the support, and a roller installed at the end of the telescopic rod. After the length of the telescopic rod is adjusted, it can be locked by bolts.

[0038] In this embodiment, the steel beam 3 is an I-beam, and two mounting plates 6 for mounting the top trusses 5 are provided on the top of the steel beam 3 .

[0039] In this embodiment, the top truss 5 includes two transverse supports 501 and a plurality of longitudinal supports 502 connected between the two transverse supports 501 , and both ends of the transverse supports 501 are connected to the mounting plates 6 on the tops of the two steel beams 3 by bolts.

[0040] In actual use, the transverse bracket 501 and the longitudinal bracket 502 are both made of square steel, the transverse bracket 501 and the longitudinal bracket 502 are welded and connected, and a plurality of longitudinal brackets 502 are evenly arranged along the length direction of the transverse bracket 501 .

[0041] It should be noted that a mounting plate 6 is fixed to the bottom of both ends of the transverse bracket 501 .

[0042] In this embodiment, the crossarm 4 includes a crossarm body and two guide frames respectively arranged at both ends of the crossarm body and guiding the lifting hanger 7. The crossarm body includes two crossbars 401 and a plurality of longitudinal rods 402 connected between the two crossbars 401. The guide frame includes two vertical positioning rods 403 respectively installed at one end of the two crossbars 401, and a plurality of longitudinal connecting rods 404 are connected between the two vertical positioning rods 403.

[0043] In actual use, the longitudinal rod 402 and the steel beam 3 are parallel to each other.

[0044] In this embodiment, one side of the vertical positioning rod 403 is fixed to the inner side of the steel beam 3, the longitudinal connecting rod 404 is connected to the other side of the vertical positioning rod 403, and the lifting hanger 7 is slidably inserted into the channel formed by the steel beam 3, the longitudinal connecting rod 404 and the two vertical positioning rods 403.

[0045] In actual use, the vertical positioning rod 403 is a channel steel, and the vertical positioning rod 403 is welded to the steel beam 3.

[0046] like Figure 2 As shown, in this embodiment, the vertical positioning rod 403 is connected to the cross bar 401 by bolts, and the side of the vertical positioning rod 403 and the end of the cross bar 401 are both installed with bolt connection plates 8 for bolt installation.

[0047] like Figure 3 and Figure 4 As shown, in this embodiment, a supporting rod 10 is respectively provided at the top of both ends of the hanging basket 2, the upper hook of the hand winch 9 is hooked on the longitudinal rod 402 at the end of the cross arm 4, and the lower hook of the hand winch 9 is hooked on the supporting rod 10 at the top of one end of the hanging basket 2.

[0048] In this embodiment, the lifting hanger 7 includes two vertical hangers 701 and a plurality of longitudinal ribs 702 sequentially connected between the two vertical hangers 701 from top to bottom;

[0049] A longitudinal limiting rod 703 is provided on the top of the lifting hanger 7 , and the longitudinal limiting rod 703 is connected to the upper parts of the two vertical hangers 701 .

[0050] In actual use, the two ends of the longitudinal limiting rod 703 extend to the outside of the side away from the two vertical suspension rods 701 respectively, to ensure that the lifting hanger 7 will not be separated from the cross arm.

[0051] like Figure 3 As shown, in this embodiment, a connecting ear 11 for mounting the hanging basket 2 is installed at the bottom of the vertical suspension rod 701.

[0052] In actual use, the connecting ear 11 is a U-shaped ear, a circle of guardrails on the top of the hanging basket 2 is inserted into the connecting ear 11, and the open end of the connecting ear 11 is connected to the lower end of the vertical suspension rod 701 through a connecting bolt.

[0053] When the utility model is actually used, the top support frame and the cross arm 4 are first assembled on the ground, and then a crane or a tower crane is used to lift the assembled top support frame and the cross arm 4, and a lifting hanger 7 and a hand winch 9 are installed at both ends of the cross arm 4. A hanging basket 2 is respectively installed at the bottom of the lifting hanger 7 at both ends of the top support frame, and the hanging basket 2 is connected to the hand winch 9 to complete the assembly of the aerial work cage. Finally, a crane or a tower crane is used to hang the assembled aerial work cage on the cap beam 1, so that the top support frame is arranged close to the top of the cap beam 1, and the two hanging baskets 2 are respectively located on both sides of the cap beam 1, and the roller support mechanism 12 is adjusted so that its rollers are in contact with the side walls of the cap beam 1.

[0054] The above is only a preferred embodiment of the present invention and does not constitute any limitation to the present invention. Any simple modification, change and equivalent structural change made to the above embodiments according to the technical essence of the present invention shall still fall within the protection scope of the technical solution of the present invention.

Claims

1. A high-altitude working cage for installation and construction of bridge engineering cap beam brackets, characterized in that: It comprises a top support frame for supporting on a cap beam (1) and two hanging baskets (2) respectively arranged at the lower parts of the two ends of the top support frame, the two hanging baskets (2) are respectively placed on both sides of the cap beam (1), the top support frame comprises two steel beams (3) and a top truss (5) connected between the middle parts of the two steel beams (3), a cross arm (4) is respectively arranged between the two ends of the two steel beams (3), a lifting hanger (7) for installing the hanging basket (2) is slidably installed at both ends of the cross arm (4), the upper parts of the two ends of the hanging basket (2) are respectively connected to the bottoms of the two lifting hangers (7), the two ends of the cross arm (4) are respectively arranged with a hand winch (9) for driving the hanging basket (2) to rise and fall, and the inner side of the hanging basket (2) is provided with a roller support mechanism (12) for rolling contact with the cap beam (1).

2. A high-altitude work cage for installation and construction of bridge engineering cap beam corbels according to claim 1, characterized in that: The steel beam (3) is an I-beam, and the top of the steel beam (3) is provided with two mounting plates (6) for mounting a top truss (5).

3. A high-altitude work cage for installation and construction of bridge engineering cap beam corbels according to claim 2, characterized in that: The top truss (5) comprises two transverse supports (501) and a plurality of longitudinal supports (502) connected between the two transverse supports (501), and the two ends of the transverse supports (501) are respectively connected to the mounting plates (6) on the tops of the two steel beams (3) by bolts.

4. A high-altitude work cage for installation and construction of bridge engineering cap beam corbels according to claim 1, characterized in that: The cross arm (4) comprises a cross arm main body and two guide frames respectively arranged at two ends of the cross arm main body and guiding the lifting hanger (7); the cross arm main body comprises two cross bars (401) and a plurality of longitudinal bars (402) connected between the two cross bars (401); the guide frame comprises two vertical positioning bars (403) respectively installed at one end of the two cross bars (401); a plurality of longitudinal connecting bars (404) are connected between the two vertical positioning bars (403).

5. A high-altitude work cage for installation and construction of bridge engineering cap beam corbels according to claim 4, characterized in that: One side of the vertical positioning rod (403) is fixed to the inner side of the steel beam (3), the longitudinal connecting rod (404) is connected to the other side of the vertical positioning rod (403), and the lifting hanger (7) is slidably arranged in a channel formed by the steel beam (3), the longitudinal connecting rod (404) and the two vertical positioning rods (403).

6. A high-altitude work cage for installing bridge engineering cap beam corbels according to claim 4, characterized in that: The vertical positioning rod (403) and the cross bar (401) are connected by bolts, and the side of the vertical positioning rod (403) and the end of the cross bar (401) are both installed with bolt connection plates (8) for bolt installation.

7. A high-altitude work cage for installing bridge engineering cap beam corbels according to claim 4, characterized in that: A supporting rod (10) is respectively arranged at the top of both ends of the hanging basket (2); the upper hook of the hand chain hoist (9) is hooked on the longitudinal rod (402) at the end of the cross arm (4); and the lower hook of the hand chain hoist (9) is hooked on the supporting rod (10) at the top of one end of the hanging basket (2).

8. A high-altitude work cage for installing bridge engineering cap beam corbels according to claim 1, characterized in that: The lifting hanger (7) comprises two vertical hangers (701) and a plurality of longitudinal ribs (702) connected in sequence from top to bottom between the two vertical hangers (701); A longitudinal limiting rod (703) is provided on the top of the lifting hanger (7), and the longitudinal limiting rod (703) is connected to the upper parts of the two vertical hangers (701).

9. A high-altitude work cage for installing bridge engineering cap beam corbels according to claim 8, characterized in that: A connecting ear (11) for mounting the hanging basket (2) is installed at the bottom of the vertical hanging rod (701).

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