阅读说明：本技术 一种铁路道岔用滚动滑床板 (Rolling slide plate for railway turnout ) 是由 张巧珍 于 2020-08-14 设计创作，主要内容包括：本发明涉及铁路运输设备技术领域,具体公开了一种铁路道岔用滚动滑床板,包括垫板和台板,所述台板设置于所述垫板的上部,所述垫板设置有安装座,所述安装座不高于所述垫板的上表面,所述台板的背面设置有与所述安装座外形相适应的固定块,所述固定块在水平方向上投影的面积小于所述台板的在水平方向上投影的面积,所述台板与所述固定块一体设置；所述固定块与所述安装座固定连接；所述台板的正面设置有若干滚动装置。本发明通过固定块和安装座将台板镶嵌在垫板并固定连接,从而达到提高台板和垫板连接强度和稳定性的目的,并通过滚动装置减少道岔在台板上运行的阻力,有效的增加滑床板耐用性,并降低行车事故风险。(The invention relates to the technical field of railway transportation equipment, and particularly discloses a rolling slide chair plate for a railway turnout, which comprises a base plate and a bedplate, wherein the bedplate is arranged at the upper part of the base plate, the base plate is provided with an installation seat, the installation seat is not higher than the upper surface of the base plate, the back surface of the bedplate is provided with a fixed block matched with the installation seat in shape, the projected area of the fixed block in the horizontal direction is smaller than the projected area of the bedplate in the horizontal direction, and the bedplate and the fixed block are integrally arranged; the fixed block is fixedly connected with the mounting seat; the front surface of the bedplate is provided with a plurality of rolling devices. The bedplate is embedded in the base plate through the fixing block and the mounting seat and fixedly connected, so that the aim of improving the connection strength and stability of the bedplate and the base plate is fulfilled, the running resistance of a turnout on the bedplate is reduced through the rolling device, the durability of the slide plate is effectively improved, and the risk of driving accidents is reduced.)

1. The utility model provides a railway is rolling slide plate for switch which characterized in that: the novel table plate comprises a base plate (1) and a table plate (3), wherein the table plate (3) is arranged on the upper portion of the base plate (1), the base plate (1) is provided with an installation seat (6), the installation seat (6) is not higher than the upper surface of the base plate (1), a fixed block (7) which is matched with the installation seat (6) in shape is arranged on the back of the table plate (3), the area of the projection of the fixed block (7) in the horizontal direction is smaller than the area of the projection of the table plate (3) in the horizontal direction, and the table plate (3) and the fixed block (7) are integrally arranged; the fixing block (7) is arranged in the mounting seat (6), and the fixing block (7) is fixedly connected with the mounting seat (6); the front surface of the bedplate (3) is provided with a plurality of rolling devices (2).

2. The rolling slide plate for a railway switch according to claim 1, wherein: the rolling device (2) is a ball clamped in a concave pit on the front surface of the bedplate (3).

3. The rolling slide plate for a railway switch according to claim 1, wherein: the rolling device (2) comprises a carrier roller hinged with the front face of the bedplate (3), and the axial direction of the carrier roller is perpendicular to the connecting line of the central point of the carrier roller and the root of the switch rail running on the bedplate (3).

4. The rolling slide plate for a railway switch according to claim 2 or 3, wherein: the base plate (1) is also provided with an iron seat (4).

5. The rolling slide plate for a railway switch according to claim 4, wherein: backing plate (1) is provided with fixing base (9), fixing base (9) are not higher than the upper surface of backing plate (1), lug (8) that iron stand (4) bottom set up, lug (8) set up with in fixing base (9), fixing base (9) with lug (8) fixed connection.

6. The rolling slide plate for a railway switch according to claim 5, wherein: the fixed connection is welding.

7. The rolling slide plate for a railway switch according to claim 5, wherein: the mounting seat (6) and the fixed seat (9) are through holes.

8. The rolling slide plate for a railway switch according to any one of claims 5 to 7, wherein: the convex block (8) and/or the fixed block (7) are/is provided with a groove for welding at the connecting position with the backing plate (1).

9. The rolling slide plate for a railway switch according to claim 8, wherein: the front surface of the bedplate (3) is provided with a wear-resistant coating.

10. The rolling slide plate for a railway switch according to claim 9, wherein: and the surfaces of the base plate (1), the bedplate (3) and the iron seat (4) are provided with anticorrosive coatings.

Technical Field

The invention relates to the technical field of railway transportation equipment, in particular to a rolling slide chair for a railway turnout.

Background

In the field of railway transportation, a turnout is a line sliding connection device for switching a locomotive from one track to another track, a switch is a line device for guiding the locomotive to run along the direction of a front line or a lateral line, a switch point is an important part in the switch, a train is led into the direction of the front line or the lateral line by pulling the switch point, and the switch point is specifically provided with switch power to push the switch point to move.

At present, slide plate for railway turnout adopts welded structure, and is assembled and welded by four parts of bottom plate, iron seat, guide iron, bedplate and the like. The welded slide plate has the following defects: firstly, the heat distortion is generated in the welding process of the slide plate, the bottom plate is warped, the bedplate of the slide plate can not be in close contact with the rail bottom of the switch rail, the hanging plate phenomenon is generated, a gap of about 1mm or more is formed between the bedplate and the rail bottom of the switch rail, the rail bottom of the switch rail is suspended, the working condition is severe, and the service life of the switch rail is influenced. Secondly, the welding seam connected between the bedplate and the bottom plate is fatigued due to the strong vibration of the train in long-term operation, so that the problems of cracks, damages, even falling and the like occur at the welding seam. And thirdly, the iron seat, the guide iron and the bedplate are welded with the bottom plate, and the welding positioning sizes of all parts generate accumulated errors, so that the nail hole distance in the bottom plate cannot be well ensured. Finally, the welding seam is corroded by rainwater and sewage when the turnout is used in the open air, so that the connection strength of the welding seam is reduced. The four main reasons cause that the welded slide plate for the speed-up turnout has serious potential safety hazard in use, and along with the continuous improvement of the railway speed, various problems existing in the welded slide plate are urgently needed to be solved for ensuring the safe, reliable and lasting buckling of the slide plate on the stock rails and the supporting switch rails.

Disclosure of Invention

In view of the above, the present invention aims to provide a rolling slide plate for a railway switch, in which a bedplate is embedded in a base plate and fixedly connected to the base plate through a fixing block and a mounting seat, so as to achieve the purpose of improving the connection strength and stability of the bedplate and the base plate, reduce the running resistance of the switch on the bedplate through a rolling device, effectively increase the durability of the slide plate, and reduce the risk of driving accidents.

In order to achieve the purpose, the invention adopts the following technical scheme:

a rolling slide plate for railway turnouts comprises a base plate and a bedplate, wherein the bedplate is arranged on the upper portion of the base plate, the base plate is provided with an installation seat, the installation seat is not higher than the upper surface of the base plate, a fixed block matched with the installation seat in shape is arranged on the back of the bedplate, the area of the projection of the fixed block in the horizontal direction is smaller than the area of the projection of the bedplate in the horizontal direction, and the bedplate and the fixed block are integrally arranged; the fixed block is arranged in the mounting seat and is fixedly connected with the mounting seat; the front surface of the bedplate is provided with a plurality of rolling devices.

As a further improvement of the invention, the rolling device is a ball clamped in a concave pit on the front surface of the bedplate.

As a further improvement of the invention, the rolling device comprises a carrier roller hinged with the front surface of the bedplate, and the axial direction of the carrier roller is perpendicular to the connecting line of the central point of the carrier roller and the root of the switch rail running on the bedplate.

As a further improvement of the invention, the backing plate is also provided with an iron seat.

As a further improvement of the invention, the backing plate is provided with a fixed seat, the fixed seat is not higher than the upper surface of the backing plate, the bottom of the iron seat is provided with a convex block, the convex block is arranged in the fixed seat, and the fixed seat is fixedly connected with the convex block.

As a further development of the invention, the fixed connection is a weld.

As a further improvement of the invention, the mounting seat and the fixed seat are through holes.

As a further improvement of the invention, the lug and/or the fixed block is provided with a groove for welding at the connecting position with the backing plate.

As a further development of the invention, the front side of the table plate is provided with a wear-resistant coating.

As a further improvement of the invention, the surfaces of the base plate, the bedplate and the iron seat are provided with anticorrosive coatings.

The invention has the beneficial effects that:

the bedplate is embedded on the base plate and fixedly connected through the fixing block and the mounting seat, and the fixed connection is realized in the modes of respectively welding from the back side and the front side of the base plate, so that the connection strength of the bedplate and the base plate is higher, the deformation displacement of the bedplate and the base plate is effectively avoided, even the fault of separation of the bedplate and the base plate occurs, and the connection strength of the bedplate and the base plate is effectively improved; the contact area between the bedplate and the base plate is increased, the strength of the slide plate is increased, the slide plate is safer and more durable, and the purpose of better running stability of the turnout on the bedplate is realized; and the rolling device is used for reducing the running resistance of the turnout on the bedplate, effectively increasing the durability of the slide plate and reducing the risk of driving accidents.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure A-A of the present invention.

In the figure: the base plate is 1, the rolling device is 2, the bedplate is 3, the iron seat is 4, the bolt hole is 5, the mounting seat is 6, the fixing block is 7, the bump is 8, and the fixing seat is 9.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and 2, a rolling slide plate for a railway turnout is mainly used for providing support for a switch rail of the railway turnout, so that the switch rail can move better to realize the line change of the turnout; the base plate comprises a base plate 1 and a bedplate 3, wherein the base plate 1 is a steel plate, the bedplate 3 is arranged at the upper part of the base plate 1, the base plate 1 is provided with a mounting seat 6, and the mounting seat 6 is a recess arranged on the base plate 1 and can be a rectangular or circular pit or a rectangular or circular through hole, so that the mounting seat 6 is not higher than the upper surface of the base plate 1; the back of the bedplate 3 is provided with a fixed block 7 which is adaptive to the appearance of the mounting seat 6, the projection area of the fixed block 7 in the horizontal direction is smaller than that of the bedplate 3 in the horizontal direction, so that a space for arranging fixed connection modes such as welding and the like is reserved between the bedplate 3 and the base plate 1, and meanwhile, the exchange of trace positions between the base plate 1 and the bedplate 3 is facilitated, so that the position of the bedplate 3 on the base plate 1 is more accurate; the bedplate 3 and the fixed block 7 are integrally arranged; the fixing block 7 is arranged in the mounting seat 6, and the fixing block 7 is fixedly connected with the mounting seat 6; the front surface of the bedplate 3 is provided with a plurality of rolling devices 2. The base plate 1 is provided with a plurality of bolt holes 5, the bolt holes 5 are used for connecting the base plate 1 with a sleeper and the like in position, and therefore fixing of the slide plate is achieved.

In a specific embodiment, further, the rolling device 2 is a ball which is clamped in a concave pit on the front surface of the platen 3, and the ball can freely rotate in the concave pit; when the turnout is used, the switch rail of the turnout is supported by the balls, so that rolling friction is generated between the switch rail of the turnout and the bedplate 3, and the running resistance of the turnout is greatly reduced.

In a specific embodiment, further, the rolling device 2 comprises an idler hinged with the front surface of the bedplate 3, and the axial direction of the idler is perpendicular to the line between the central point of the idler and the root of the switch rail running on the bedplate 3; when the turnout is used, the switch rail of the turnout is supported by the carrier roller, so that rolling friction is generated between the switch rail of the turnout and the bedplate 3, and the running resistance of the turnout is greatly reduced. The carrier roller can be spherical or cylindrical.

In a specific embodiment, further, the backing plate 1 is further provided with an iron seat 4, and the iron seat 4 is provided for installing a fastening spring for fixing a track; preferably, the backing plate 1 is provided with a fixed seat 9, the fixed seat 9 is not higher than the upper surface of the backing plate 1, a convex block 8 is arranged at the bottom of the iron seat 4, the convex block 8 is arranged in the fixed seat 9, and the fixed seat 9 is fixedly connected with the convex block 8.

In a specific embodiment, further, the fixed connection is welding, and other manners may also be adopted to realize the fixed connection, including any manner such as bonding, riveting, key pin connection, bolt connection, or interference fit connection.

In a specific embodiment, further, the mounting seat 6 and the fixing seat 9 are through holes, and this arrangement enables a welding seam to be preferably the back surface of the backing plate 1, i.e. the surface far away from the bedplate 3 or the iron seat 4, so that a main connecting position can be located on the back surface, on one hand, an aesthetic effect is ensured, and more importantly, the influence of welding on the smooth surface of the front surface of the bedplate 3 is reduced; the mounting seat 6 and the fixing seat 9 can also be blind hole grooves, so that the contact area between the fixing block 7 and the mounting seat 6 is larger through welding or bonding and other modes, and the connection between the base plate 1 and the bedplate 3 is more stable.

In a specific embodiment, further, the protrusion 8 and/or the fixing block 7 are provided with a groove for welding at a connection position with the backing plate 1. The groove is a groove with a certain geometric shape which is processed and assembled at the part to be welded of a weldment. The groove is a molded surface which is processed by a machining method under the ordinary condition and mainly aims at welding a workpiece and ensuring the welding degree. During specific operation, a millimeter 45-degree inclined plane is planed and cut on two walls of the mounting seat 6 or the bump 8, the back of the base plate 1 is welded, after the back of the base plate is welded, the bottom of the front bedplate 3 is welded with the surface of the base plate 1, and the bottom of the bedplate 3 is provided with 8-8 inclined grooves to increase the welding area.

In a specific embodiment, further, the front surface of the bedplate 3 is provided with a wear-resistant coating, and the wear-resistant coating is provided to reduce damage to the bedplate 3 when the point rail runs on the bedplate 3 and increase the service life of the bedplate 3.

In a specific embodiment, further, the surfaces of the backing plate 1, the bedplate 3 and the iron seat 4 are provided with anti-corrosion coatings, so that the device can better deal with outdoor complex environment, reduce corrosion speed and prolong the service life of the device.

It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.