Supporting structure for reducing deflection of rear lower cross beam of hanging basket
By installing tie rods and support units below the rear lower crossbeam, a stable triangular mechanical structure is formed, which solves the problem of excessive deflection of the rear lower crossbeam during cantilever bridge construction and improves the structural strength and reliability.
Patent Information
- Application Number
- CN202520233858.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-14
AI Technical Summary
In the construction of box girder cantilever bridges, the rear lower crossbeam experiences excessive deflection due to the movement of the formwork. Existing methods of increasing the effective cross section of the structure result in increased weight and cannot effectively reduce the deflection.
The structure employs a combination of tie rods and support units. The tie rods generate tension below the rear lower crossbeam, which, combined with the support frame and auxiliary frame, forms a stable triangular mechanical structure to resist downward deflection. The strength of the support structure is further enhanced by diagonal reinforcing rods and top bracing rods.
It effectively reduces the deflection of the lower crossbeam behind the hanging basket, improves the strength and reliability of the structure, avoids deformation caused by excessive deflection, and meets construction requirements.
Smart Images

Figure CN223805429U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of supporting steel structure, especially relates to a supporting structure for reducing deflection of rear lower cross beam of hanging basket. BACKGROUND
[0002] The hanging basket is the main equipment in the cantilever construction, and can be divided into four types of truss type, cable-stayed type, sectional steel type and mixed type according to the structure form. When the cantilever bridge construction of the box girder with large span is carried out, the hanging basket method can be used to carry out the cantilever operation in situ in sections, without the need of erecting support and using large hoist, so that the operation difficulty is simplified and the operation efficiency is improved.
[0003] However, when the width of the box girder is large, the rear lower cross beam of the box girder is only supported by two running hangers, so that the rear lower cross beam is prone to generate excessive deflection when the hanging basket is operated. In order to solve this problem, the technical personnel in the field usually choose to increase the structural effective section of the rear lower cross beam to reduce the deflection, but such method will cause the weight of the structure to be significantly increased, so that the deflection reduction effect is not good, and the actual use requirement cannot be met. CONTENT OF THE UTILITY MODEL
[0004] Therefore, the utility model aims at providing a supporting structure for reducing deflection of rear lower cross beam of hanging basket to solve the above technical problems.
[0005] In order to achieve the above purpose, the technical scheme of the utility model is as follows:
[0006] A supporting structure for reducing deflection of rear lower cross beam of hanging basket, comprising a pulling rod and two supporting units; the two supporting units are respectively arranged at the two ends of the rear lower cross beam, and a reinforcing area is formed between the two supporting units; the pulling rod is arranged inside the reinforcing area, and the pulling rod is located below the rear lower cross beam, the length direction of the pulling rod is parallel to the length direction of the rear lower cross beam, and the two ends of the pulling rod are respectively detachably connected with the two supporting units; each supporting unit comprises a supporting frame, a bearing rod and a supporting rod, the supporting frame is sleeved on the rear lower cross beam, the top end of the bearing rod is connected with the bottom of the supporting frame, the mounting hole for accommodating the pulling rod is arranged on the bearing rod, and the length direction of the bearing rod is perpendicular to the length direction of the rear lower cross beam, the supporting rod is arranged on the side of the bearing rod away from the pulling rod, one end of the supporting rod is connected with the bottom end of the bearing rod, and the other end is connected with the bottom surface of the rear lower cross beam.
[0007] Further, the supporting frame comprises a top rod, a bottom rod and two side rods; the top rod is welded on the top surface of the rear lower cross beam, the bottom rod is welded on the bottom surface of the rear lower cross beam, and the top rod and the bottom rod are perpendicular to the rear lower cross beam; the two side rods are respectively welded on the two sides of the rear lower cross beam, and the top end of the side rod is detachably connected with the top rod, and the bottom end of the side rod is detachably connected with the bottom rod.
[0008] Further, the support unit comprises two cable-stayed reinforcing rods, the two cable-stayed reinforcing rods are respectively located on two sides of the bearing rod, one end of the cable-stayed reinforcing rod is connected with the end of the bottom rod, and the other end is connected with the bearing rod.
[0009] Further, the support frame is provided with a plurality of support reinforcing sheets on the side far from the reinforcing area, the plurality of support reinforcing sheets are uniformly arranged on the circumferential side of the rear lower cross beam, and the plurality of support reinforcing sheets are all welded with the rear lower cross beam.
[0010] Further, the support unit further comprises an auxiliary frame, the auxiliary frame is sleeved on the rear lower cross beam, and the auxiliary frame is located on the side close to the reinforcing area of the support frame; a plurality of auxiliary reinforcing sheets are arranged on the side of the auxiliary frame far from the support frame, the plurality of auxiliary reinforcing sheets are uniformly arranged on the circumferential side of the rear lower cross beam, and the plurality of auxiliary reinforcing sheets are all welded with the rear lower cross beam.
[0011] Further, the support unit further comprises a top rod, the top rod is located above the rear lower cross beam, the two ends of the top rod are respectively detachably connected with the support frame and the auxiliary frame, and the length direction of the top rod is parallel to the length direction of the pulling rod.
[0012] Compared with the prior art, the support structure for reducing the deflection of the rear lower cross beam of the hanging basket has the following advantages:
[0013] (1) The support structure for reducing the deflection of the rear lower cross beam of the hanging basket can install the pulling rod below the rear lower cross beam through the two support units. When the rear lower cross beam is deformed due to the walking action of the hanging basket, the pulling rod can generate a pulling force resisting the deflection, and the pulling force is transmitted to the rear lower cross beam through the two support units, so as to reduce the structural deformation of the rear lower cross beam. In addition, the support unit comprises the bearing rod and the support rod, and the cooperation of the support rod and the bearing rod can form a stable triangular mechanical structure below the support frame, so as to improve the structural reliability of the end of the pulling rod, and further strengthen the structural strength of the support structure.
[0014] (2) The support structure for reducing the deflection of the rear lower cross beam of the hanging basket further comprises an auxiliary frame and a top rod. Since the top rod and the pulling rod are respectively located on the upper and lower sides of the rear lower cross beam, when the rear lower cross beam is deformed, the top rod can abut against the top of the support frame, and the pulling rod can pull the bottom of the support frame, so as to strengthen the deflection reduction effect of the support structure. BRIEF DESCRIPTION OF DRAWINGS
[0015] The drawings constituting a part of this utility model are used to provide a further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute an improper limitation on the utility model. In the drawings:
[0016] Figure 1 A use state schematic view of the support structure for reducing deflection of the rear lower cross beam of the hanging basket according to the embodiment of the utility model;
[0017] Figure 2 A structure schematic view of the support structure for reducing deflection of the rear lower cross beam of the hanging basket according to the embodiment of the utility model;
[0018] Figure 3 A structure schematic view of the support unit according to the embodiment of the utility model;
[0019] Figure 4 An exploded view of the support unit according to the embodiment of the utility model;
[0020] Figure 5 A structure schematic view of the auxiliary frame according to the embodiment of the utility model.
[0021] Explanation of reference signs:
[0022] 1-rear lower cross beam;11-hanging belt pin seat;12-traveling hanging belt;2-pulling rod;31-top rod;32-bottom rod;33-side rod;34-supporting reinforcing sheet;4-bearing rod;41-mounting hole;42-supporting rod;43-inclined reinforcing rod;5-auxiliary frame;51-auxiliary reinforcing sheet;6-abutting rod. DETAILED DESCRIPTION
[0023] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.
[0024] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.
[0025] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected; can be mechanical connection, also can be electrical connection; can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication. For ordinary skilled in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.
[0026] The utility model will be described in detail below with reference to the drawings and in combination with embodiments.
[0027] A support structure for reducing the deflection of the rear lower cross beam of hanging basket, can be by Figures 1-5 Schematic diagram is shown in the embodiment. The support structure for reducing the deflection of the rear lower cross beam of hanging basket includes pull rod 2 and two support units, wherein two support units are arranged at the both ends of rear lower cross beam 1 respectively, and form reinforcing area between two support units, pull rod 2 is arranged inside reinforcing area, and the both ends of pull rod 2 are detachably connected with two support units respectively.
[0028] Because common rear lower cross beam 1 is generally supported by two running sling 12, thus it is easy to produce excessive deflection. To solve this problem, two support units in the support structure can be arranged on rear lower cross beam between two sling pin seats 11 for connecting running sling 12, and as close to sling pin seat 11 as possible, so as to support rear lower cross beam 1 completely. When assembling, pull rod 2 should be below rear lower cross beam 1, and the length direction of pull rod 2 should be parallel with the length direction of rear lower cross beam 1. When rear lower cross beam 1 occurs deflection deformation, pull rod 2 will pull two support units, so as to resist the deflection of rear lower cross beam 1 by the tensile force generated by pulling, thereby achieving the purpose of reducing the deformation degree of rear lower cross beam 1 structure.
[0029] Specifically, as Figure 2 And Figure 3As shown, each support unit in this embodiment includes a support frame, a load-bearing rod 4, and a support rod 42. The support frame is fitted onto the lower rear crossbeam 1. The load-bearing rod 4 provides an installation base for the tie rod 2. The top end of the load-bearing rod 4 should be connected to the bottom of the support frame, and the length direction of the load-bearing rod 4 should be perpendicular to the length direction of the lower rear crossbeam 1. The support rod 42 should be located on the side of the load-bearing rod 4 away from the tie rod 2, with one end connected to the bottom end of the load-bearing rod 4 and the other end connected to the bottom surface of the lower rear crossbeam 1. The cooperation of the load-bearing rod 4 and the support rod 42 forms a stable triangular mechanical structure, thereby providing a more reliable structural support effect for the end of the tie rod 2. Accordingly, to achieve a detachable connection between the tie rod 2 and the support unit, the load-bearing rod 4 should have an installation hole 41 for accommodating the tie rod 2, and the end of the tie rod 2 should have a threaded joint. During assembly, workers can insert the threaded connector at the end of the pull rod 2 into the mounting hole 41 and install a lock nut on the threaded connector to complete the assembly between the pull rod 2 and the support unit.
[0030] Optional, such as Figure 4 As shown, to facilitate the assembly of the support frame and the rear lower crossbeam 1, the support frame in this embodiment may include: a top rod 31, a bottom rod 32, and two side rods 33. During assembly, the worker can weld the top rod 31 to the top surface of the rear lower crossbeam 1 and the bottom rod 32 to the bottom surface of the rear lower crossbeam 1, ensuring that both the top rod 31 and the bottom rod 32 are perpendicular to the rear lower crossbeam 1. Then, the two side rods 33 can be placed on both sides of the rear lower crossbeam 1, with the top ends of the side rods 33 detachably connected to the top rod 31 and the bottom ends of the side rods 33 detachably connected to the bottom rod 32, so that the top rod 31, the bottom rod 32, and the two side rods 33 form a frame. Finally, the two side rods 33 are welded to the rear lower crossbeam 1, thus securely installing the support frame onto the rear lower crossbeam 1.
[0031] To improve the connection between the support frame and the rear lower crossbeam 1, multiple support reinforcement plates 34 can be provided on the side of the support frame away from the reinforcement area. These multiple support reinforcement plates 34 should be evenly distributed around the perimeter of the rear lower crossbeam 1, and all multiple support reinforcement plates 34 should be welded to the rear lower crossbeam 1. This increases the contact area between the support frame and the rear lower crossbeam 1 and enhances the structural strength of the support frame on the rear lower crossbeam 1.
[0032] In addition, in order to improve the structural strength of the area where the load-bearing rod 4 is located, the support unit in the embodiment can further include two cable-stayed reinforcing rods 43. Specifically, the two cable-stayed reinforcing rods 43 should be located on the two sides of the load-bearing rod 4 respectively, and one end of the cable-stayed reinforcing rod 43 is connected with the end of the bottom rod 32, and the other end is connected with the load-bearing rod 4. By arranging the cable-stayed reinforcing rod 43, a stable triangular mechanical structure can be formed on the two sides of the load-bearing rod 4, thereby improving the structural strength near the load-bearing rod 4 and avoiding the bending of the load-bearing rod 4 due to bearing excessive load during use.
[0033] In actual use, since the degree of deflection of the rear lower cross beam 1 is proportional to the stress load it bears, when the rear lower cross beam 1 bears a larger stress load, it should be better supported to prevent excessive deformation. In order to achieve this purpose, the support unit in the embodiment can further include an auxiliary frame 5 and a stop rod 6. As shown in Figure 2 and Figure 5 The auxiliary frame 5 should be sleeved on the rear lower cross beam 1, and the auxiliary frame 5 is located on the side of the support frame close to the reinforcing area. The stop rod 6 should be located above the rear lower cross beam 1, and the two ends of the stop rod 6 are detachably connected with the support frame and the auxiliary frame 5 respectively, and the length direction of the stop rod 6 is parallel to the length direction of the pulling rod 2.
[0034] When the rear lower cross beam 1 deflects due to bearing excessive load, the stop rod 6 can stop the top of the support frame, and the pulling rod 2 can pull the bottom of the support frame, so that the upper and lower sides of the rear lower cross beam 1 are effectively supported, thereby further reducing the structural deformation degree of the rear lower cross beam 1.
[0035] In addition, the side of the auxiliary frame 5 away from the support frame can also be provided with a plurality of auxiliary reinforcing pieces 51, and the plurality of auxiliary reinforcing pieces 51 should be uniformly arranged on the circumferential side of the rear lower cross beam 1, and the plurality of auxiliary reinforcing pieces 51 are all welded with the rear lower cross beam 1, so as to improve the structural strength of the auxiliary frame on the rear lower cross beam 1 by means of the auxiliary reinforcing pieces 51.
[0036] The effects of the above scheme are described as follows:
[0037] The embodiment provides a support structure for reducing the deflection of the rear lower cross beam of the hanging basket, which can exert a pulling force on the deflected rear lower cross beam through the cooperation of the pulling rod and the two support units, thereby reducing the structural deformation degree. In addition, the device can also form a stopping force on the upper side of the rear lower cross beam through the auxiliary frame and the stop rod, thereby further improving the deflection reduction effect of the support structure.
[0038] The above only describes the preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A support structure for reducing the deflection of the lower crossbeam of a hanging basket, characterized in that: The utility model provides a kind of rear lower crossbeam support structure, including pull rod (2) and two support units;Two described support units are respectively arranged in the both ends of rear lower crossbeam (1), and form reinforcing area between two support units;The pull rod (2) is arranged inside reinforcing area, and pull rod (2) is below rear lower crossbeam (1), the length direction of pull rod (2) is parallel with the length direction of rear lower crossbeam (1), and the both ends of pull rod (2) are respectively with two support units detachably connected;Each support unit includes: support frame, carrying rod (4) and support rod (42), the support frame is set on rear lower crossbeam (1), the top end of carrying rod (4) is connected with the bottom of support frame, and mounting hole (41) for accommodating pull rod (2) is provided on carrying rod (4), and the length direction of carrying rod (4) is perpendicular to the length direction of rear lower crossbeam (1), the support rod (42) is arranged on the side of carrying rod (4) away from pull rod (2), one end of support rod (42) is connected with the bottom end of carrying rod (4), and the other end is connected with the bottom surface of rear lower crossbeam (1).
2. The support structure of claim 1, wherein: The support frame includes: top rod (31), bottom rod (32) and two side rods (33);The top rod (31) is welded on the top surface of rear lower crossbeam (1), the bottom rod (32) is welded on the bottom surface of rear lower crossbeam (1), and the top rod (31) and the bottom rod (32) are perpendicular to the rear lower crossbeam (1);Two described side rods (33) are respectively welded on the both sides of rear lower crossbeam (1), and the top end of side rod (33) is detachably connected with top rod (31), and the bottom end of side rod (33) is detachably connected with bottom rod (32).
3. The support structure of claim 2, wherein: The support unit includes two inclined cable reinforcing rods (43), two described inclined cable reinforcing rods (43) are located on the both sides of carrying rod (4), and one end of inclined cable reinforcing rod (43) is connected with the end of bottom rod (32), and the other end is connected with carrying rod (4).
4. The support structure of claim 1, wherein: The side of the support frame away from the reinforcing area is provided with a plurality of support reinforcing sheets (34), and the plurality of support reinforcing sheets (34) are uniformly arranged on the circumferential side of the rear lower crossbeam (1), and the plurality of support reinforcing sheets (34) are welded with the rear lower crossbeam (1).
5. The support structure of claim 1, wherein: The support unit further includes an auxiliary frame (5), and the auxiliary frame (5) is arranged on the rear lower crossbeam (1), and the auxiliary frame (5) is located on the side of the support frame close to the reinforcing area;A plurality of auxiliary reinforcing sheets (51) are arranged on the side of the auxiliary frame (5) away from the support frame, and the plurality of auxiliary reinforcing sheets (51) are uniformly arranged on the circumferential side of the rear lower crossbeam (1), and the plurality of auxiliary reinforcing sheets (51) are welded with the rear lower crossbeam (1).
6. The support structure of claim 5, wherein: The support unit further includes an abutting rod (6), and the abutting rod (6) is located above the rear lower crossbeam (1), the both ends of the abutting rod (6) are detachably connected with the support frame and the auxiliary frame (5), and the length direction of the abutting rod (6) is parallel to the length direction of the pull rod (2).