CN212270549U - Suspension type track traffic telescoping device - Google Patents

Abstract

The utility model discloses a suspension type track traffic telescoping device, girder steel including two mutual symmetries settings forms the clearance between the two girder steel bottom plates, and the seam crossing of two girder steels constitutes telescopic connection through the telescoping device respectively, and the mutual symmetry setting of telescoping device of two girder steel seam crossings, telescoping device fix on the girder steel bottom plate, the telescoping device includes first dentate plate and the second dentate plate of mutual meshing, and the comb shape tooth on the first dentate plate is the skewed tooth structure, and the comb shape tooth on the second dentate plate adds straight-tooth mixed structure for the skewed tooth. The utility model discloses simple structure, telescoping device can dismantle the change, can effectively avoid the train to produce too big vibrations when the girder steel seam, the production of noise abatement.

Description

Suspension type track traffic telescoping device

Technical Field

The utility model relates to a suspension type track traffic technical field, concretely relates to suspension type track traffic telescoping device.

Background

The expansion device of the bridge is an important component of a bridge structure and has an important function for guaranteeing the safety of the bridge structure and the stable running of a train. In recent years, with the rapid development of the national rail transit industry, a plurality of novel rail transit standards appear. The suspension type rail transit system is also called an air rail, and is called an air rail for short. The vehicle is suspended below a box-shaped track beam to run, the track beam is supported in the air by a steel column or a reinforced concrete upright column, and running wheels and guide wheels of the vehicle are positioned in the box-shaped beam and run along a track arranged in the beam body. The suspension type monorail transit track highlights a problem in the process of trial operation: the expansion device at the beam end has the problems that the clearance in summer is small and the clearance in winter is large along with the expansion and contraction of the bridge, when a train passes through the expansion device with large clearance, the train shakes violently, and large noise is generated, so that great troubles are brought to passengers and nearby residents. Therefore, a telescopic device is needed for solving the problem that the clearance of the telescopic device is changed along with the change of temperature, and avoiding the shaking and noise generated when the train passes a bridge.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a suspension type track traffic telescoping device for effectual assurance train stationarity and noise reduction's when passing through the track seam production.

In order to solve the technical problem, the utility model discloses a following scheme:

the utility model provides a suspension type track traffic telescoping device, includes the girder steel that two mutual symmetries set up, forms the clearance between the two girder steel bottom plates, and the seam crossing of two girder steels constitutes flexible connection through the telescoping device respectively, and the telescoping device mutual symmetry of two girder steel seam crossings sets up, and the telescoping device is fixed on the girder steel bottom plate, the telescoping device includes the first dentate plate and the second dentate plate of mutual meshing, and the comb shape tooth on the first dentate plate is the skewed tooth structure, and the comb shape tooth on the second dentate plate adds straight-tooth mixed structure for the skewed tooth.

Owing to adopt above-mentioned technical square can, through at the fixed telescoping device of girder steel seam crossing, make the girder steel of seam both sides form the flexible connection, and the telescoping device adopts first dentate plate and the second dentate plate of mutual meshing, when the girder steel takes place to stretch out and draw back at the seam crossing because of temperature variation, two dentate plates pass through mutual meshing removal between the comb shape tooth, and then adapt to the change of girder steel longitudinal clearance, the comb shape tooth on the first dentate plate is the skewed tooth structure, the comb shape tooth on the second dentate plate is skewed tooth and straight-tooth mixed structure, make the meshing cooperation between the comb shape tooth can follow the skewed tooth direction and slide, and then can adapt to the longitudinal clearance change of girder steel, the violent shock that produces in the interval change of steel beam seam crossing in having avoided the train to advance, thereby produce great noise.

Preferably, the bottom surface fixedly connected with of girder steel bottom plate is located the base of telescoping device below, the base includes connecting plate, curb plate and stopper, the connecting plate top surface links firmly with girder steel bottom plate bottom surface, and curb plate and stopper are fixed in the connecting plate bottom surface and form the U-shaped cavity with the connecting plate, are provided with the direction limiting plate in this U-shaped cavity, and the direction limiting plate strides over the seam and links firmly with the connecting plate.

Due to the adoption of the technical scheme, the base is fixed on the bottom surface of the steel beam bottom plate, the base is located below the telescopic device, the base is used for enhancing the vertical bearing capacity of the telescopic device, the comb-shaped teeth are not prone to tooth breakage and the risk of tooth warping is avoided, the normal operation of a train is influenced, the side plates and the limiting blocks are fixed on the bottom surface of the connecting plate and form a U-shaped cavity with the connecting plate, the side plates and the limiting blocks form a transverse limiting mechanism for limiting the transverse relative displacement between the first tooth-shaped plate and the second tooth-shaped plate, the guide limiting plate spans over a steel beam joint to be fixedly connected with the connecting plate, the transverse displacement between the two tooth-shaped plates is further limited, and the.

Preferably, the lateral plates and the limiting blocks are respectively provided with a screw for adjusting the transverse position of the guide limiting plate, and the transverse position of the guide limiting plate can be adjusted through the screws, so that the two toothed plates can be adjusted in transverse dislocation.

Preferably, the side plate is fixed with a falling-preventing plate which is positioned below the guide limiting plate and used for preventing the guide limiting plate from falling off after the connection of the guide limiting plate falls off

Preferably, the girder steel bottom plate bottom surface is fixed with the reinforcing plate, reinforcing plate and connecting plate, curb plate fixed connection simultaneously for it is more firm to be connected between base and the girder steel bottom plate, and the vertical bearing capacity at telescoping device comb shape tooth position is stronger simultaneously, is difficult for taking place to stick up the risk of tooth, disconnected tooth.

Preferably, the top surfaces of the first toothed plate and the second toothed plate are flush with the top surface of the steel beam bottom plate, the comb-shaped teeth on the first toothed plate are of a double-helical tooth structure, the second toothed plate is of a double-helical tooth and straight tooth structure, and the straight teeth are located on the toothed plate and far away from the end part of the gap.

The utility model discloses beneficial effect who has:

1. the utility model overcomes girder steel seam crossing is because of the temperature variation, and the clearance constantly changes, and then the problem of train vibrations, the beat and the noise that arouse, has prevented the vibrations of the different degree that the train produced when passing through, can satisfy the requirement of train operation in the suspension type track traffic girder steel, the effectual stationarity and the comfort level of having guaranteed the train have reduced the noise.

2. The utility model discloses a telescoping device can dismantle repeatedly in a flexible way.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic cross-sectional structure.

Reference numerals: 1-a first toothed plate, 2-a second toothed plate, 3-bolts, 4-a guiding limit plate, 5-a base, 51-a connecting plate, 52-a side plate, 53-a falling prevention plate, 54-a limit block, 6-an anchoring bolt, 7-a screw, 8-a steel beam, 9-a steel beam, 10-a steel beam bottom plate, 11-a stiffening plate, 12-a gap and 13-a seam.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the terms are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise explicitly specified or limited, the terms "disposed," "opened," "mounted," "connected," and "connected" are to be construed broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in figures 1 and 2, a suspension type rail traffic telescoping device comprises two steel beams 9 which are symmetrically arranged with each other, a gap is formed between two steel beam bottom plates 10, the joints of the two steel beams 9 are respectively connected in a telescoping manner through telescoping devices, the telescoping devices at the joints of the two steel beams are symmetrically arranged with each other, the steel beams 9 at the two sides of the joints are connected in a telescoping manner by fixing the telescoping devices at the joints of the steel beams 9, the telescoping devices adopt a first tooth-shaped plate 1 and a second tooth-shaped plate 2 which are meshed with each other, the first tooth-shaped plate 1 and the second tooth-shaped plate 2 are fixed on the steel beam 9 bottom plates through bolts 3, when the steel beams 9 are telescoped at the joints due to temperature change, the two tooth-shaped plates move through mutual meshing between the comb-shaped teeth to further adapt to the change of the longitudinal gap at the joints of the steel beams 9, the top surfaces of the first tooth-shaped plate, make the train when the telescoping device, be difficult for taking place vibrations, can the steady degree cross, the comb shape tooth on the first dentate plate 1 is the skewed tooth structure, and second dentate plate 2 is skewed tooth and a straight-tooth structure, and the straight-tooth lies in and keeps away from on the dentate plate the tip in clearance for the meshing cooperation between the comb shape tooth can be followed the skewed tooth direction and slided, and then can adapt to the change in clearance of girder steel 9 fore-and-aft, and the meshing cooperation of comb shape tooth has been avoided the train to advance and has produced violent vibrations because of the change in clearance of girder steel seam crossing, thereby produces great noise.

Example 2

In the embodiment, as shown in fig. 2, a base 5 located below the expansion device is fixedly connected to the bottom surface of the steel beam bottom plate 10 by welding, the base 5 is used for enhancing the vertical bearing capacity of the expansion device, so that the comb-shaped teeth are not prone to the risk of tooth breakage and tooth warping, and the normal operation of the train is affected, the base 5 includes a connecting plate 51, a side plate 52 and a limiting block 54, the top surface of the connecting plate 51 is fixedly welded to the bottom surface of the steel beam bottom plate 10, the side plate 52 and the limiting block 54 are welded to the bottom surface of the connecting plate 51 and form a U-shaped cavity with the connecting plate 51, a guide limiting plate 4 is arranged in the U-shaped cavity, the guide limiting plate 4 spans over a seam and is fixedly connected to the connecting plate 51 by an anchor bolt 6, the side plate 52 and the limiting block 54 form a transverse limiting mechanism, further limit the lateral displacement between two castellated plates, guarantee that the telescoping device lateral dislocation position of girder steel 9 seam department is in the allowed band, improve the lateral rigidity of girder steel seam, reduce vehicle vibrations to satisfy the requirement to the operating stability when empty rail train passes through the expansion joint.

Example 3

In this embodiment, as shown in fig. 2, homogeneous phase is equipped with the screw 7 that is used for adjusting 4 transverse position of direction stopper relatively on curb plate 52 and stopper 54, screw 7 runs through curb plate 52 and stopper 54 respectively, elasticity through left and right sides screw 7, adjustable direction limiting plate 4 transverse position, and then make two dentate plates transversely misplace adjustably, after two dentate plates transverse position adjusted suitable position, make the comb tooth degree of integration of two dentate plates best, then screw up screw 7 and anchor bolt 6, restrict the transverse displacement of two dentate plates.

Example 4

As shown in fig. 2, a fall-off prevention plate 53 is welded and fixed to the side plate 52, the fall-off prevention plate 53 is located below the guide limit plate 4, and the fall-off prevention plate 53 prevents the guide limit plate 53 from falling off after the anchor bolt 6 of the guide limit plate 4 falls off.

Example 5

In this implementation, as shown in fig. 2, there is reinforcing plate 11 at girder steel bottom plate 10 bottom surface welded fastening, and the one end and connecting plate 51, curb plate 52 welded fastening of reinforcing plate 11 simultaneously for it is more firm to be connected between base 5 and the girder steel bottom plate 10, and the vertical bearing capacity at telescoping device comb shape tooth position is stronger simultaneously, and the difficult risk that sticks up the tooth, cuts off the tooth that takes place.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.

Claims (6)

1. The utility model provides a suspension type track traffic telescoping device, includes girder steel (9) that two mutual symmetries set up, forms the clearance between two girder steel bottom plates (10), and the seam crossing of two girder steels (9) constitutes telescopic connection through the telescoping device respectively, its characterized in that, the mutual symmetry setting of telescoping device of two girder steel (9) seam crossings, the telescoping device is fixed on girder steel bottom plate (10), the telescoping device includes first dentate plate (1) and second dentate plate (2) of mutual meshing, and the comb shape tooth on first dentate plate (1) is the skewed tooth structure, and the comb shape tooth on second dentate plate (2) adds straight-tooth mixed structure for the skewed tooth.

2. A suspended type rail traffic telescopic device according to claim 1, wherein a base (5) located below the telescopic device is fixedly connected to the bottom surface of the steel beam bottom plate (10), the base (5) comprises a connecting plate (51), a side plate (52) and a limiting block (54), the top surface of the connecting plate (51) is fixedly connected to the bottom surface of the steel beam bottom plate (10), the side plate (52) and the limiting block (54) are fixed to the bottom surface of the connecting plate (51) and form a U-shaped cavity with the connecting plate (51), a guiding limiting plate (4) is arranged in the U-shaped cavity, and the guiding limiting plate (4) is fixedly connected to the connecting plate (51) across a seam.

3. A suspended rail traffic telescopic device according to claim 2, characterized in that the side plates (52) and the limit blocks (54) are provided with screws (7) for adjusting the transverse position of the guide limit plate (4) relatively.

4. A suspended track traffic telescopic device according to claim 3, characterized in that the side plates (52) are fixed with anti-falling plates (53), and the anti-falling plates (53) are located under the guiding limit plates (4).

5. A suspended rail traffic telescopic device according to claim 1, wherein a reinforcing plate (11) is fixed on the bottom surface of the steel beam bottom plate (10), and the reinforcing plate (11) is fixedly connected with the connecting plate (51) and the side plate (52) at the same time.

6. A suspended rail traffic telescopic device according to claim 1, wherein the top surfaces of the first toothed plate (1) and the second toothed plate (2) are flush with the top surface of the steel beam bottom plate (10), the comb-shaped teeth on the first toothed plate (1) are in a double helical tooth structure, the second toothed plate (2) is in a double helical tooth plus straight tooth structure, and the straight teeth are located at the end of the toothed plate far away from the gap.

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