CN204383482U - Flat car transportation prestressed concrete beam loading reinforcing device - Google Patents

Abstract

The utility model discloses a loading and reinforcing device for prestressed concrete beams transported by a flat car, comprising: a frame body, an upper frame body, a lower frame body and a center pin, the frame body includes two beams and two side bearings, the two beams A beam flange is provided on the top surface of both ends; a side flange is provided on the bottom surface of the two ends of the two side bearings, and the two beams and the two side bearings pass through the beam flange, side bearing flange and bolts. It is connected with the nut; the two ends of the lower frame body are clamped with two beams respectively; the upper frame body is located on the lower frame body, and the upper frame body and the lower frame body are connected by a central pin, and beam stops are symmetrically welded on the upper frame body. When the loading reinforcement device for transporting prestressed concrete beams on flat cars of the utility model is in use, its side bearings do not contact with the floor of the flat car, which increases the load capacity of the floor of the flat car.

Description

Loading reinforcement device for transporting prestressed concrete beams on flat cars

technical field

The utility model relates to the technical field of railway vehicle loading reinforcement, in particular to a loading reinforcement device for flat car transportation of prestressed concrete beams.

Background technique

At present, the loading and strengthening device for prestressed concrete beams transported by flat cars includes: a frame body, an upper frame body, a lower frame body and a central pin. The frame body includes two beams and two side bearings. The two ends of the root side bearing are connected by flanges; the two ends of the lower frame are respectively clamped with two beams; the upper frame is located on the lower frame, and the upper frame and the lower frame are connected by a central pin, and the upper frame is symmetrical There are two beam stops for welding. When in use, the loading reinforcement device is installed on the floor of the flat car, and the prestressed concrete beam is loaded on the upper frame and placed between two beam stops for transportation. This kind of prestressed concrete beam is used for loading and strengthening device. Since the bottom surface of the beam and the side bearing are on the same plane, the bottom surface of the beam and the side bearing are all in contact with the floor of the flat car during installation. When it is poor, one end of the upper frame is in contact with the side bearing. When the side bears the force of the end of the upper frame, the force is directly transmitted to the floor of the flat car within the span through the side bearing, and the floor of the flat car is evenly distributed. load, resulting in lower weight carried by the flatcar floor.

Utility model content

The purpose of the utility model is to provide a loading and reinforcing device for flat car transporting prestressed concrete beams which can increase the weight of the car floor.

In order to achieve the above object, the utility model adopts the following technical solutions:

A loading reinforcement device for transporting prestressed concrete beams on a flat car, comprising: a frame body, an upper frame body, a lower frame body and a central pin, and is characterized in that:

The frame body includes two beams and two side bearings, the top surfaces of the two ends of the two beams are respectively provided with a beam flange; the bottom surfaces of the two ends of the two side bearings are respectively provided with a side bearing flange, and the two beams It is connected with the two side bearings through the beam flange, the side bearing flange and bolts and nuts; the two ends of the lower frame are respectively clamped with the two beams; the upper frame is located on the lower frame, and the upper frame and the lower frame The frames are connected by a central pin, and the upper frame is symmetrically welded with beam stops.

There is a pair of oblique supports hinged on the upper frame, and each oblique support includes two telescopic rods and connecting channel steel connected to the outer ends of the two telescopic rods, and the connecting channel steel is connected with rubber pads and pads through bolts and nuts. Wood.

The telescopic rod includes: a connecting outer tube, an upper supporting inner tube and a lower supporting inner tube, the upper end of the connecting outer tube is provided with an upper internal thread, and the lower end of the connecting outer tube is provided with a lower internal thread. The internal thread at the upper end and the internal thread at the lower end are opposite in direction; the upper support inner tube is provided with an upper support inner tube external thread that matches the upper end inner thread of the connecting outer tube; The inner thread of the lower end matches the outer thread of the inner tube of the lower support.

The beneficial effects of the technical solution provided by the utility model are:

1. The loading and strengthening device for prestressed concrete beams transported by flat cars of the present invention adopts the above design scheme, the two side bearings do not contact the floor of the flat car, and when there is a difference in height between the inside and outside of a curve or a railway line during transportation, it can be put on the shelf One end of the body is in contact with the side bearing, and the force received by the side to the end of the upper frame is transmitted to the floor of the flat car within the span through two beams, and the floor of the flat car bears a symmetrical concentrated load. It is twice the allowable load when the side bearing directly contacts the floor of the flat car in the prior art, and greatly improves the load capacity of the floor of the flat car.

2. The loading reinforcement device for transporting prestressed concrete beams on a flat car of the present invention, because the upper frame is hinged with a pair of oblique supports, each oblique support includes two telescopic rods and connecting grooves connected to the outer ends of the two telescopic rods steel, and the connecting channel steel is connected with rubber pads and skids through bolts and nuts. When in use, by adjusting the length of the oblique support, it can support prestressed concrete beams of different heights, which is easy to adjust and safe to use.

Description of drawings

Fig. 1 is the utility model flat car transportation prestressed concrete beam loading and reinforcing device schematic diagram of the use state (display has prestressed concrete beam);

Fig. 2 is the use state structure schematic diagram of the utility model flat car transportation prestressed concrete beam loading reinforcing device (showing that the oblique support is in folded state).

Reference signs: 1—upper frame; 2—lower frame; 3—beam; 4—side bearing; 5—beam flange; 6—side flange; 7—bolt; 8—nut; 9—beam Block; 10—connecting channel steel; 11—connecting outer pipe; 12—upper supporting inner pipe; 13—lower supporting inner pipe; 14—rubber pad; 15—skid, 16—prestressed concrete beam.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the implementation of the present utility model will be further described in detail below in conjunction with the accompanying drawings.

As shown in Fig. 1 and Fig. 2, the utility model is a loading reinforcement device for transporting prestressed concrete beams on a flat car, comprising: a frame body, an upper frame body 1, a lower frame body 2 and a center pin, and is characterized in that:

The frame body includes two beams 3 and two side bearings 4, the top surfaces of the two ends of the two beams 3 are respectively provided with a beam flange 5; the bottom surfaces of the two ends of the two side bearings 4 are respectively provided with a side bearing flange Disk 6, two beams 3 and two side bearings 4 are connected through beam flange 5, side bearing flange 6, bolts 7 and nuts 8; The upper frame body 1 is located on the lower frame body 2, the upper frame body 1 and the lower frame body 2 are connected by a central pin, and the upper frame body 1 is symmetrically welded with beam stops 9.

A pair of oblique supports is hinged on the upper frame body 1, and each oblique support includes two telescopic rods and connecting channel steel 10 connected to the outer ends of the two telescopic rods, and the connecting channel steel 10 is connected with rubber by bolts and nuts. Pad 14 and skid 15.

The telescopic rod includes: a connecting outer tube 11, an upper supporting inner tube 12 and a lower supporting inner tube 13, the upper end of the connecting outer tube 11 is provided with an upper internal thread, and the lower end of the connecting outer tube 11 is provided with a lower end Internal thread, the internal thread at the upper end and the internal thread at the lower end are opposite in direction; the upper support inner tube 12 is provided with an upper support inner tube outer thread that matches the upper end inner thread of the connected outer tube; the lower support inner tube is provided with There is the external thread of the lower supporting inner pipe matched with the internal thread of the lower end of the connecting outer pipe.

When loading, the prestressed concrete beam 16 is installed on the upper frame body 1 and is located between the symmetrical beam stops 9, and the length of the oblique support is adjusted by rotating the connecting outer tube 11 of the telescopic rod, so that the two pairs of oblique supports are separated from the prestressed concrete beam. 16 is supported on both sides to increase the firmness and safety of loading. When the flat car passes through a curve or there is a difference in height between the inside and outside of the railway line during transportation, when one end of the upper frame 1 is in contact with the side bearing 4, the force exerted by the side bearing 4 on the end of the upper frame is transmitted to the span through two beams 3. At this time, the length of the load-bearing surface of the floor of the flat car is equal to twice the span of the beam, that is, twice the length of the side bearing. In this case, the allowable load capacity of the flat car floor is twice the allowable load capacity when the side bearing is in direct contact with the flat car floor, which increases the load capacity of the flat car floor.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (3)

1. A loading reinforcement device for transporting prestressed concrete beams on a flat car, comprising: frame body, upper frame body, lower frame body and center pin, characterized in that: The frame body includes two beams and two side bearings, the top surfaces of the two ends of the two beams are respectively provided with a beam flange; the bottom surfaces of the two ends of the two side bearings are respectively provided with a side bearing flange, and the two beams It is connected with the two side bearings through the beam flange, the side bearing flange and bolts and nuts; the two ends of the lower frame are respectively clamped with the two beams; the upper frame is located on the lower frame, and the upper frame and the lower frame The frames are connected by a central pin, and the upper frame is symmetrically welded with beam stops. 2. The loading and reinforcing device for transporting prestressed concrete beams on flat cars according to claim 1, wherein two sets of oblique supports are hinged on the upper frame, and each pair of oblique supports comprises two telescopic rods and is connected to two The connecting channel steel at the outer end of the telescopic rod is connected with rubber pads and skids through bolts and nuts. 3. The loading and reinforcing device for transporting prestressed concrete beams on a flat car according to claim 2, wherein the telescopic rod comprises: a connecting outer tube, an upper supporting inner tube and a lower supporting inner tube, and the connecting outer tube The upper end of the upper end is provided with an upper end internal thread, and the lower end of the connecting outer pipe is provided with a lower end internal thread, and the upper end internal thread and the lower end internal thread are in the opposite direction of rotation; the upper support inner tube is provided with the upper end of the connecting outer pipe The inner thread of the upper support internal pipe is matched with the external thread; the inner support pipe of the lower support is provided with the external thread of the lower support inner pipe matched with the internal thread of the lower end of the connecting outer pipe.