Floor suspension combined type construction platform

Abstract

A floor and suspension combined type construction platform relates to the technical field of construction platforms, is arranged on a pavement section and a river crossing section of an old bridge, and comprises a floor stand erected on the pavement section below the old bridge, and one section of the construction platform is fixedly arranged on the floor stand; the suspension devices are arranged at the bottom of the river crossing section of the old bridge in the length direction, and the other section of the construction platform is suspended and fixed below the old bridge through the suspension devices. The construction platform is stable in structure, convenient to disassemble and recombine and capable of meeting the transformation requirements of different old bridges, meanwhile, the construction efficiency is improved through the arrangement of the construction shortcuts, and the safety of constructors is further guaranteed through safety insurance.

Description

TECHNICAL FIELD

[0001] The utility model relates to construction platform technical field, concretely relates to a floor suspension combined construction platform. BACKGROUND

[0002] In bridge maintenance and reconstruction engineering, especially for the reinforcement, expansion or repair work of old bridge, the construction of construction platform is a crucial link. The traditional construction platform construction method often faces many challenges, especially when crossing rivers or other complex terrain, how to ensure that the construction platform is stable and convenient for construction operation has become a problem to be solved.

[0003] The road section and the river-crossing section of the old bridge have special geographical location and structural characteristics, which put forward special requirements for the construction of the construction platform. The road section can usually be supported by the ground support structure to build the construction platform because it is directly in contact with the ground. However, the river-crossing section cannot be directly supported by the ground support because of the water below, so it needs to be suspended or built in other special ways.

[0004] The traditional suspended construction platform often has problems such as complex installation, insufficient stability, and difficult to ensure safety. Especially in the long-term construction process, the reliability and durability of the suspension structure often become the key factors restricting the progress and safety of the project. INVENTION CONTENTS

[0005] The utility model provides a floor suspension combined construction platform to solve the technical defects pointed out in the background art.

[0006] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0007] A floor suspension combined construction platform is arranged on the road section and the river-crossing section of the old bridge, including a floor support arranged on the road section below the old bridge, and a section of the construction platform is fixedly arranged on the floor support; further comprising a plurality of suspension devices arranged at the bottom of the river-crossing section of the old bridge along the length direction, and another section of the construction platform is fixedly arranged below the old bridge by the suspension devices.

[0008] Further, the suspension device comprises an expansion bolt fixed at the bottom of the old bridge, a hexagon nut threadedly connected with the lower section of the expansion bolt, the lower end of the hexagon nut is fixedly connected with a lifting lug, the lifting lug is hingedly connected with the upper end of a lifting rod, and the lower end of the lifting rod is hingedly connected with the construction platform.

[0009] Further, the lifting rod is formed with a U-shaped lifting position at both ends, and a safety device is arranged on each U-shaped lifting position.

[0010] Further, a gasket is arranged between the hexagon nut and the expansion bolt.

[0011] Further, a construction access road is arranged in the landing support.

[0012] Further, the landing support is a detachable steel structure support arranged under the road section of the old bridge for supporting and fixing part of the construction platform.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses a landing support supports the construction platform under the road section of the old bridge, and the other end of the construction platform is hung at the bottom of the old bridge river-crossing section by using the suspension device.The suspension device is fixed at the bottom of the old bridge by expansion bolts, is connected with the suspender by hexagon nut, washer, lifting female and suspender, and the both ends of the suspender form U-shaped lifting position and are provided with safety insurance, so that the construction platform is stably hung.The construction platform is stable in structure, is convenient to disassemble and recombine, can adapt to the reconstruction demand of different old bridges, the construction efficiency is improved by the construction access road, and the safety insurance further guarantees the safety of the construction personnel. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0016] Fig. 1 It is the structural schematic diagram of the utility model;

[0017] Fig. 2 It is the structural schematic diagram of the suspension device of the utility model;

[0018] Fig. 3 It is the overhead structural schematic diagram of the suspension device of the utility model. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiment of the utility model will be clearly and completely described below, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments.Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and thus cannot be understood as limiting the utility model.

[0021] In the utility model, unless otherwise expressly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, or can be detachable connection, or can be integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] In the utility model, unless otherwise expressly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0023] As shown in Figs. 1-3 A floor suspension combined construction platform is arranged on the road surface section and the river-crossing section of the old bridge 1, comprising a floor support 2 erected on the road surface section below the old bridge 1, and one section of a construction platform 5 is fixedly arranged on the floor support 2; and a plurality of suspension devices 4 are arranged on the bottom of the river-crossing section of the old bridge 1 along the length direction, and another section of the construction platform 5 is fixedly arranged below the old bridge 1 through the suspension devices 4. The suspension device 4 comprises an expansion bolt 41 fixed on the bottom of the old bridge 1, a hexagon nut 42 threadedly connected with the lower section of the expansion bolt 41, a lifting nut 43 fixedly connected with the lower end of the hexagon nut 42, a lifting rod 45 hingedly connected with the upper end of the lifting nut 43, and the lower end of the lifting rod 45 is hingedly connected with the construction platform 5.

[0024] The expansion bolt 41 is fixed on the bottom of the old bridge 1 through the frictional gripping force generated thereby. When the expansion bolt is screwed into the pre-drilled hole, the expansion tube inside the bolt will be expanded due to the taper of the bolt, and a tight frictional self-locking is formed with the hole wall of the bottom of the old bridge, so that the construction platform can be stably suspended below the old bridge through the suspension device.

[0025] The hexagonal nut 42 is threadedly connected with the lower section of the expansion bolt 41, and by tightening the hexagonal nut, the fixing effect of the expansion bolt can be further ensured.

[0026] The lower end of the hexagonal nut 42 is fixedly connected with the lifting nut 43. The lifting nut 43 is a device for lifting and fixing objects, has high strength and corrosion resistance, and can ensure reliable connection with the lifting rod 45.

[0027] The upper end of the lifting rod 45 is connected with the lifting nut 43, and the lower end is connected with the construction platform 5. The lifting rod is a key component for connecting the lifting nut and the construction platform, and its physical principle is to use the torque generated by the weight and gravity of the object to achieve the purpose of lifting the object. When the construction platform 5 needs to be suspended under the old bridge 1, the lifting rod 45 will bear the weight of the construction platform, and the weight will be transmitted to the expansion bolt 41 through the lifting nut 43 and the hexagonal nut 42, and finally borne by the bottom of the old bridge 1. In the whole system, the floor support 2 is responsible for supporting part of the weight of the construction platform 5 on the road section under the old bridge 1, and the suspension device 4 is responsible for suspending the other part of the construction platform 5 at the bottom of the river-crossing section of the old bridge 1.

[0028] Specifically, as shown in the figure, the lifting rod 45 is formed with a U-shaped lifting position at both ends, and a safety device 46 is arranged on each U-shaped lifting position. The safety device 46 is added to make the lifting more safe.

[0029] Specifically, as shown in the figure, a gasket is arranged between the hexagonal nut 42 and the expansion bolt 41.

[0030] Specifically, as shown in the figure, a construction access road 3 is arranged in the floor support 2.

[0031] Specifically, as shown in the figure, the floor support 2 is a detachable steel structure support, which is arranged on the road section under the old bridge 1 and is used for supporting and fixing part of the construction platform 5.

[0032] The construction platform is supported by the floor support on part of the road section under the old bridge, and the other end of the construction platform is suspended at the bottom of the river-crossing section of the old bridge by the suspension device. The suspension device is fixed to the bottom of the old bridge by the expansion bolt, connected with the lifting rod through the hexagonal nut, the gasket and the lifting nut, and the U-shaped lifting position is formed at both ends of the lifting rod and the safety device is arranged to ensure that the construction platform is stably suspended. The construction platform structure is stable, easy to disassemble and reassemble, can adapt to the needs of the reconstruction of different old bridges, and the construction access road improves the construction efficiency, and the safety device further ensures the safety of the construction personnel.

[0033] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and 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.

[0034] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A combined construction platform of floor and bridge suspended on the road section and river-crossing section of an old bridge, characterized in that, The construction platform is fixedly arranged on the landing support which is arranged under the road section of the old bridge; the other section of the construction platform is fixedly arranged under the old bridge through the suspension device.

2. The combination floor-suspended construction platform according to claim 1, wherein, The suspension device comprises an expansion bolt fixed to the bottom of the old bridge, a hexagonal nut threadedly connected to the lower section of the expansion bolt, a lifting nut fixed to the lower end of the hexagonal nut, a lifting rod, and a construction platform.

3. The fall-arrest suspension combined construction platform according to claim 2, wherein, U-shaped lifting positions are formed at the two ends of the lifting rod, and safety devices are arranged on the two U-shaped lifting positions respectively.

4. The fall-arrest suspension combined construction platform according to claim 3, wherein, A gasket is arranged between the hexagonal nut and the expansion bolt.

5. The fall-arrest suspension combined construction platform according to claim 3, wherein, A construction access is arranged in the landing support.

6. The fall-arrest suspension combined construction platform according to claim 5, wherein, The landing support is a detachable steel structure support which is arranged under the road section of the old bridge and used for supporting and fixing a part of the construction platform.

Images