CN220057640U - A kind of rail-type bridge cast-in-place railing construction platform - Google Patents

Abstract

The utility model provides a track type bridge cast-in-situ breast board construction platform, which is characterized by comprising the following components: truss, first track, jack-up subassembly, landing leg, operation platform, control switch, drive arrangement, rail wheel and second track; the truss is connected with the first rail in a direction perpendicular to the length direction of the first rail; the lifting assembly passes through the first rail and forms sliding fit with the first rail; one end of the operating platform is a platform, the other end of the operating platform is provided with a beam connecting truss, and the two ends are connected through a main rod; the main rod is connected with the supporting leg through a cross rod; the support legs and the operation platform are respectively two, and the support legs are positioned on the inner side of the operation platform and are arranged at two ends of the truss along the length direction of the truss; a rail wheel is arranged at one end of the supporting leg far away from the truss, and the supporting leg is in rolling fit with the second rail along the movement direction; the control switch and the driving device are attached to the leg. The construction platform integrates hoisting and operation platforms, and is practical and good in safety.

Description

A kind of rail-type bridge cast-in-place railing construction platform

Technical field

The utility model relates to the field of bridge construction, specifically a cast-in-place railing construction platform for a track-type bridge.

Background technique

Bridges generally refer to structures erected over rivers, lakes and seas to enable vehicles and pedestrians to pass smoothly. In order to adapt to the modern and rapidly developing transportation industry, bridges have also been extended to structures erected to make traffic more convenient across mountain streams, poor geology, or to meet other transportation needs. For the installation and removal of materials such as cast-in-place railings and anti-collision guardrail formwork for modern bridges, aerial vehicles or cranes are mainly used for existing bridge construction equipment. Its construction height and operating radius are limited and not flexible enough. During the construction process, the position of the aerial vehicle or crane needs to be adjusted many times, and continuous construction cannot be achieved. The construction limitations are large and the efficiency of the overall construction process cannot be guaranteed; at the construction site, It also requires more construction personnel to cooperate with command and supervision, and the construction cost is high. It is difficult to complete the installation of large-scale bridge cast-in-place railings in a short time; at the same time, when the formwork on the outside of the bridge guardrail is installed and removed, construction There are potential safety hazards for personnel working at heights, which poses greater construction safety risks, and it is difficult to guarantee the installation quality.

Utility model content

The main technical problem to be solved by this utility model is to provide a cast-in-place railing construction platform for a track-type bridge, which can be operated continuously without site restrictions, can reduce labor, save construction period and cost, has good stability, and is safer reliable.

In order to solve the technical problems mentioned in the background art, the utility model provides a cast-in-place railing construction platform for a track-type bridge, which includes: a truss, a first track, a lifting component, a leg, an operating platform, a control switch, and a driver. device, track wheels and secondary track;

The truss is connected to the first rail perpendicularly to the length direction of the first rail; the lifting assembly passes through the first rail and forms a sliding fit with the first rail;

One end of the operation platform is a platform, and the other end is provided with a cross beam connecting the truss, and a main rod is used to connect the two ends; the main rod is connected to the support leg through a cross rod;

There are two supporting legs and two operating platforms each. The supporting legs are located inside the operating platform and are arranged at both ends of the truss along the length direction of the truss;

The end of the support leg away from the truss is provided with a track wheel, and forms a rolling fit with the second track along the direction of movement; the control switch and the driving device are attached to the support leg.

In a preferred embodiment: the trusses are connected to the legs by bolts.

In a preferred embodiment: the cross beams of the operating platform are connected to the trusses by welding.

In a preferred embodiment: the cross bars of the operating platform are connected to the legs by welding.

In a preferred embodiment: the first track is preferably 25# I-beam steel.

In a preferred embodiment: the main pole of the operation platform is provided with a climbing frame and a guardrail.

In a preferred embodiment: the lifting component is preferably an electric hoist.

In a preferred embodiment: the number of the track wheels provided on a single leg is at least one.

In a preferred embodiment: the truss is a main beam truss.

Compared with the existing technology, the technical solution of the present utility model has the following beneficial effects:

1. The utility model provides a track-type cast-in-place bridge railing construction platform. It moves to the construction site through the second rail, brakes the track wheels, and lifts the bridge railing steel formwork through the lifting assembly. It is located in the operating position. The construction personnel on the platform cooperated to position and install the steel formwork to achieve the purpose of reducing labor, saving construction period and cost, and ensuring the safe progress of construction operations.

2. This utility model provides a rail-type cast-in-place bridge railing construction platform. There are operating platforms on both sides of the bridge. The operating platform is surrounded by guardrails to ensure the safety of construction workers. The installation of the operating platforms on both sides The railings can be constructed at the same time, which improves construction efficiency.

3. This utility model provides a cast-in-place railing construction platform for a track-type bridge. After the installation of a part of the formwork is completed, the construction personnel do not need to leave the operating platform and wait for the construction personnel on the bridge to control the movement of the track wheels through the control switch. Move the platform as a whole to the next part to ensure continuous construction, thereby improving the convenience of construction, making the operation quick and convenient, and reducing the difficulty of construction.

Description of the drawings

Figure 1 is a cross-sectional view of the construction platform in the preferred embodiment 1 of the present invention;

Figure 2 is a cross-sectional view along the bridge of the construction platform in the preferred embodiment 1 of the present invention.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. For example, based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top/bottom", etc. are based on those shown in the accompanying drawings. The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. limit. In addition, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise expressly stipulated and limited, the terms "installation", "disposed with", "set/connected", "connected", etc. should be understood in a broad sense, for example "Connection" can be a wall-mounted connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be a direct connection or an indirect connection through an intermediate medium. It can be two components. For internal communication, those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention depending on the specific circumstances.

Example 1

Referring to Figures 1-2, this embodiment provides a track-type bridge cast-in-place railing construction platform, including: truss 1, first track 2, lifting component 3, outriggers 4, operating platform 7, control switch 9 , driving device 6, track wheel 5 and second track 8; the truss 1 is connected to the first track 2 perpendicular to the length direction of the first track 2; the lifting assembly 3 passes through the first track 2 and is connected to the first track 2. 2 forms a sliding fit; one end of the operating platform 7 is a platform 75, the other end is provided with a cross beam 71 to connect the truss, and a main rod 72 is used to connect the two ends; the main rod 72 is connected to the support leg 4 through a cross rod 73 ; There are two supporting legs 4 and two operating platforms 7 each. The supporting legs 4 are located inside the operating platform 7 and are arranged at both ends of the truss 1 along the length direction of the truss 1; the supporting legs 4 are far away from each other. One end of the truss 1 is provided with a track wheel 5 and forms a rolling fit with the second track 8 along the direction of movement; the control switch 9 and the driving device 6 are attached to the legs 4 .

This utility model uses a steel structure system as the cast-in-place railing construction platform of the bridge. The truss 1, the legs 4, and the operating platform 7 are processed and welded in the factory. Bolts and welding are used to connect the components to ensure integrity and stability. The overall performance and safety are good, and the components are easy to assemble and dismantle; they are installed and formed in one go.

The second track 8 is preferably a steel guide rail. It uses steel guide rails and rail wheels 5 to travel to the construction site, eliminating the need to repeatedly install and dismantle the platform, reducing labor and being highly flexible; it provides a working surface for the suspended construction on the outside of the bridge railing, ensuring the installation of the railing formwork. accuracy to ensure that the appearance quality meets the requirements.

The construction platform comes with a lifting component 3. The lifting component 3 is preferably an electric hoist. The electric hoist has the characteristics of small size, light weight, simple operation, high degree of versatility, easy change of lifting height, and convenient installation and inspection. The steel formwork is simple and convenient, does not require the use of a crane and is not restricted by the site. The railings on both sides of the bridge can be constructed at the same time and continuously, saving construction time and reducing costs; the construction platform can be reused.

After the construction of the main body of the bridge is completed, the second track 8 is laid according to the width of the bridge deck. The second track 8 is preferably a steel guide rail. The construction platform is assembled and moved to the construction site through the steel guide rail. The track wheel 5 is braked by the brake pads. It is placed manually. The specific operation is as follows: after the entire construction platform has stopped, the brake pads to prevent slipping are placed manually. The bridge railing steel formwork is lifted by an electric hoist, and the construction workers on the operating platform 7 cooperate to position and install the steel formwork; there are operating platforms 7 on both sides of the bridge, and the railings on both sides can be constructed at the same time to increase construction efficiency; one-part steel formwork After the installation is completed, the staff does not need to leave the operating platform 7 and wait for the personnel on the bridge to move the entire platform to the next location to ensure continuous construction.

It should be noted that, combined with the many advantages of I-beam, the first track 2 is preferably I-beam. I-beam is easy to weld and cut. At the same time, I-beam is also resistant to aging, has a long service life and is light in weight. During construction, When moving, it is easier to transport, which helps save time. Under the same cross-sectional load, the hot-rolled I-beam structure is 15%-20% lighter than the traditional structure; compared with the concrete structure, the I-beam structure can increase the use area by 6%, while the structural weight is reduced by 20%-30%. , reducing the internal forces in structural design; compared with ordinary section steel, it has low cost, high precision, small residual stress, no need for expensive welding materials and weld detection, and saves about 30% of steel structure manufacturing costs. The I-beam has wide flange and high lateral stiffness. Strong bending resistance; the two surfaces of the flange are parallel to each other, making connection, processing and installation easy.

Considering the stability of the overall construction platform, in order to save material costs and reduce the weight of the overall construction platform equipment, the truss 1 is preferably a main beam truss.

In this embodiment, in order to realize the movement of the overall construction platform, the number of the rail wheels 5 provided on a single leg 4 is two. As a simple replacement of this embodiment, the rail wheels 5 are provided on a single leg. The number is at least one.

The outriggers 4 and the truss 1 are connected by bolts to facilitate loading and unloading and simple operation; the drive device 6 is provided at the middle and lower ends of the outriggers 4 to facilitate the control of construction workers; the drive device 6 is It is driven by a motor, and the driving device 6 drives the track wheel to roll through a transmission shaft driven by the motor.

In order to ensure the personal safety of construction workers on the operation platform 7, guardrails 74 are set up around the operation platform 7 to prevent construction workers from accidentally falling; at the same time, a climbing frame 76 is set up on the main pole 72 of the operation platform 7 for construction workers to It is used between the bridge and the operating platform 7.

The above are only preferred specific implementations of the present utility model, but the design concept of the present utility model is not limited thereto. Any person familiar with the technical field can utilize this concept within the technical scope disclosed by the present utility model. Any non-substantive modifications to the present utility model shall constitute acts that infringe upon the protection scope of the present utility model.

Claims (9)

1. The utility model provides a cast-in-place breast board construction platform of track type bridge which characterized in that includes: truss, first track, jack-up subassembly, landing leg, operation platform, control switch, drive arrangement, rail wheel and second track;

the truss is connected with the first rail in a direction perpendicular to the length direction of the first rail; the lifting assembly passes through the first rail and forms sliding fit with the first rail;

one end of the operating platform is a platform, the other end of the operating platform is provided with a beam connecting truss, and the two ends are connected through a main rod; the main rod is connected with the supporting leg through a cross rod;

the support legs and the operation platform are respectively two, and the support legs are positioned on the inner side of the operation platform and are arranged at two ends of the truss along the length direction of the truss;

a rail wheel is arranged at one end of the supporting leg far away from the truss, and the supporting leg is in rolling fit with the second rail along the movement direction; the control switch and the driving device are attached to the leg.

2. The track type bridge cast-in-situ breast board construction platform according to claim 1, wherein: the truss is connected with the supporting legs in a bolt connection mode.

3. The track type bridge cast-in-situ breast board construction platform according to claim 1, wherein: and the cross beam of the operation platform is connected with the truss in a welding mode.

4. The track type bridge cast-in-situ breast board construction platform according to claim 1, wherein: the cross bars of the operating platform are connected with the supporting legs in a welding mode.

5. The track type bridge cast-in-situ breast board construction platform according to claim 1, wherein: the first track is 25# I-steel.

6. The track type bridge cast-in-situ breast board construction platform according to claim 1, wherein: the mobile jib of operation platform is equipped with climbing frame and guardrail.

7. The track type bridge cast-in-situ breast board construction platform according to claim 1, wherein: the hoisting assembly is an electric hoist.

8. The track type bridge cast-in-situ breast board construction platform according to claim 1, wherein: the number of the rail wheels arranged on the single supporting leg is at least one.

9. The track type bridge cast-in-situ breast board construction platform according to claim 1, wherein: the truss is a girder truss.