阅读说明：本技术 一种防止机车车辆溜逸铁鞋 (Iron shoe for preventing rolling stock from slipping ) 是由 李光伟 刘佑平 魏峰 于 2021-09-14 设计创作，主要内容包括：本发明公开了一种防止机车车辆溜逸铁鞋,涉及机务铁鞋技术领域,包括铺设在铁轨上的止位板和固定连接在止位板上的鞋头,还包括与鞋头固定连接用来制动车轮的挡板,挡板与车轮相抵接的顶部两边设为圆弧面,用来将挡板与车轮之间的线接触变为面接触,止位板靠近车轮的一端设有宽度线性减小的舌尖部；鞋头上装配有同样与车轮抵接的复位顶杆,用来与车轮抵接后向鞋体提供向下的压力。本发明铁鞋的鞋头部分通过弹性复位机构与复位顶杆连接,使得复位顶杆起到定位、辅助限位和充当提手的作用；挡板顶面的两边设为圆弧面,使线接触变为面接触,保证受力点靠近中部,不易变形和发生横向位移,给铁鞋一个向下的压力,确保铁鞋的防溜逸作用。(The invention discloses an iron shoe for preventing rolling stock from slipping, which relates to the technical field of locomotive iron shoes and comprises a stop plate laid on a rail, a toe cap fixedly connected to the stop plate and a baffle fixedly connected with the toe cap and used for braking a wheel, wherein two sides of the top of the baffle, which are abutted against the wheel, are provided with arc surfaces for changing line contact between the baffle and the wheel into surface contact, and one end of the stop plate, which is close to the wheel, is provided with a tongue tip part with linearly reduced width; the toe cap is provided with a reset mandril which is also abutted against the wheel and is used for providing downward pressure to the shoe body after being abutted against the wheel. The toe cap part of the iron shoe is connected with the reset ejector rod through the elastic reset mechanism, so that the reset ejector rod plays roles of positioning, assisting in limiting and serving as a lifting handle; the both sides of baffle top surface are established to the arc surface, make the line contact become the face contact, guarantee that the stress point is close to the middle part, non-deformable with take place lateral displacement, give a decurrent pressure of skate, ensure the swift and comfortable effect of preventing of skate.)

1. The utility model provides a prevent rolling stock swift current ease skate, is including laying end position board (3) and the toe cap (2) of fixed connection on end position board (3) on the rail, its characterized in that still includes:

the shoe toe cap is characterized in that a baffle (4) which is fixedly connected with the shoe toe cap (2) and used for braking a wheel is arranged, two sides of the top, abutted to the wheel, of the baffle (4) are arc surfaces and used for changing line contact between the baffle (4) and the wheel into surface contact, and a tongue tip part (31) with linearly reduced width is arranged at one end, close to the wheel, of the stop plate (3);

the toe cap (2) is provided with a reset mandril (1) which is also abutted against the wheel and is used for providing downward pressure to the shoe body after being abutted against the wheel.

2. A skate for preventing the runaway of a rolling stock as claimed in claim 1, wherein said toe cap (2) is fixedly attached to the top surface of the end of the stop plate (3) remote from the wheel, and a stop plate (4) is fixedly attached to the side of said toe cap (2) close to the wheel.

3. The iron shoe for preventing the rolling stock from slipping according to claim 2, wherein the toe cap (2) is connected with the reset mandril (1) through an elastic reset mechanism (11), and the included angle between the reset mandril (1) and the stop plate (3) is adjustable.

4. A skate as claimed in claim 3, characterized in that said distance between the end surface of the stop plate (3) close to the wheel and the lowest point of the wheel is a calibrated value when said return jack (1) is in contact with the wheel.

5. A skate for preventing the runaway of rolling stock as claimed in claim 1, characterized in that said return jack (1) comprises two parallel rods and a shaped section connecting the two rods, the shape of the shaped section being adapted to the wheel type.

6. A skate as claimed in claim 1, characterized in that said blocking plate (4) has a circular arc radius equal to or greater than 2 mm.

7. A skate for preventing the slipping of a rolling stock as claimed in claim 1, characterized in that said tongue portion (31) is formed on the stop plate (3) from the portion of the toe cap (2) adjacent to the end face of the wheel to the portion of the stop plate (3) adjacent to the end face of the wheel.

8. A skate according to claim 7, characterized in that said tongue (31) has two sides with an angle of 15 ° between them.

9. A skate as claimed in claim 7, characterized in that said tongue (31) is provided with a transition (32) at the end adjacent to the wheel, said transition (32) being arcuate in cross-section, the angle between the slope of the transition (32) and the bottom surface of the stop plate (3) being 20 °.

Technical Field

The invention belongs to the technical field of locomotive service iron shoes, and particularly relates to an iron shoe for preventing a locomotive vehicle from slipping.

Background

The iron shoe for preventing the rolling stock from slipping is a tool for preventing the rolling stock from slipping when the rolling stock stays in a locomotive depot and on a station track and is in a static state, and the use process of the iron shoe requires an operator to frequently manually operate the 'upper' iron shoe and the 'lower' iron shoe, so that the mode has large workload and low working efficiency; in the locomotive anti-slip process of the locomotive, the locomotive in the anti-slip state inevitably moves a certain distance due to the connection of a plurality of locomotives, and the existing iron shoe structure is often pressed by the moving locomotive, so that the iron shoes are inconvenient to take and have very high failure rate.

Secondly, the baffle of the existing iron shoe adopts right-angled side edges, and in the actual use process, the iron shoe is easy to collapse or deform due to unilateral stress to damage the iron shoe, even damage to electronic equipment; because the edge position of the locomotive wheel is a circular arc section, when the edge position of the locomotive wheel contacts the right-angle side of the iron shoe, an outward force is applied to the right-angle baffle plate, and even the iron shoe is ejected out of the track.

Meanwhile, the part of the existing iron shoe pressed below the wheel is rectangular, and the iron shoe is also easily pressed by the wheel when in use due to the fact that the edge of the wheel of the locomotive is a circular arc section.

Accordingly, the present invention is directed to a skate for preventing rolling stock from slipping, which solves the above-mentioned problems of the prior art.

Disclosure of Invention

The invention aims to provide an iron shoe for preventing rolling stock from slipping, which is used for solving the following technical problems:

1) the use of the prior art skate needs manual operation, which causes large workload and low working efficiency, and meanwhile, the skate is pressed due to the fact that the locomotive in an anti-slip state moves for a certain distance;

2) the baffle of the existing iron shoe adopts a right-angle side edge, and because the edge position of a locomotive wheel is an arc section, the baffle can apply an outward force to the right-angle baffle and even can eject the iron shoe out of a track;

3) the existing iron shoe pressed below the wheel is rectangular, and the edge of the wheel of the locomotive is also an arc section, so that the iron shoe is easily pressed by the wheel when in use.

According to one aspect of the present invention, there is provided an iron shoe for preventing rolling stock from slipping, comprising a stopper plate laid on a rail and a toe cap fixedly attached to the stopper plate, further comprising:

the stop plate is fixedly connected with the toe cap and used for braking the wheel, two sides of the top, abutted to the wheel, of the stop plate are provided with arc surfaces and used for changing line contact between the stop plate and the wheel into surface contact, and one end, close to the wheel, of the stop plate is provided with a tongue tip part with linearly reduced width;

the shoe head is provided with a reset mandril which is also abutted against the wheel and is used for providing downward pressure to the shoe body after being abutted against the wheel.

According to an exemplary embodiment of the invention, the toe cap is fixedly connected to the top surface of one end, away from the wheel, of the stop plate, and a baffle plate forming a calibrated included angle with the stop plate is fixedly connected to one side, close to the wheel, of the toe cap.

According to another exemplary embodiment of the invention, the toe cap is connected with the reset ejector rod through an elastic reset mechanism, and an included angle between the reset ejector rod and the stop plate is adjustable.

According to another exemplary embodiment of the invention, when the reset mandril is abutted to the wheel, the distance between the end surface of the stop plate close to the wheel and the lowest point of the wheel is a calibration value.

According to another exemplary embodiment of the invention, the reset plunger comprises two parallel rods and a profiled section connecting the two rods, the shape of the profiled section being adapted to the wheel model.

According to another exemplary embodiment of the invention, the arc surface of the baffle is equal to or 2mm larger than the arc radius of the wheel arc surface.

According to another exemplary embodiment of the present invention, the tongue tip portion is a portion of the stopper plate from the toe cap near the wheel end surface to the stopper plate near the wheel end surface.

According to another exemplary embodiment of the present invention, the angle between the two sides of the tongue tip portion is 15 °.

According to another exemplary embodiment of the present invention, the end of the tongue tip portion close to the wheel is provided with a transition section, and an included angle between the inclined surface of the transition section and the bottom surface of the stop plate is 20 °.

Compared with the prior art, the invention has the beneficial effects that:

1. the toe cap part of the iron shoe is connected with the reset ejector rod through the elastic reset mechanism, so that the reset ejector rod plays a role in positioning when contacting with the wheel, and the distance between the lowest point of the wheel and the iron shoe is a calibration value; meanwhile, when the wheels continue to move, the reset ejector rod can generate downward pressure to the iron shoe, and the limiting of the iron shoe stop plate is assisted.

2. The reset mandril of the skate can also play a role of a handle, so that the workload caused by the fact that the conventional skate needs to be manually installed on a rail and taken down from the rail is reduced, and the working efficiency is further improved.

3. The two sides of the top surface of the baffle plate of the iron shoe are provided with arc surfaces matched with the locomotive wheel, the traditional line contact is changed into surface contact, so that the stress point is close to the middle part when the wheel presses the iron shoe, the stress is approximately balanced, the iron shoe is not easy to deform and generate transverse displacement, meanwhile, downward pressure is applied to the iron shoe, and the slip-off prevention effect of the iron shoe is ensured.

4. The front end of the iron shoe stop plate is provided with the inward-contracted tongue tip part, the front end of the tongue tip part is provided with the transition section, and the cross section of the transition section is arc-shaped, so that the structure can reduce the probability that the stop plate is pressed by wheels by at least 50%.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a right side view of a rolling stock skate for preventing rolling stock from slipping;

FIG. 2 is a rear view of a rolling stock slip-off prevention skate;

FIG. 3 is a schematic view of the overall structure of a stop plate, a toe cap and a baffle;

fig. 4 is a schematic view of the abutment of the fender with the wheel.

In the figure: 1. resetting the ejector rod; 11. an elastic reset mechanism; 2. a toe cap; 3. a stop plate; 31. the tip of the tongue; 32. a transition section; 4. and a baffle plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are further described in detail below by way of examples with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention and should not be construed as limiting a slipping shoe of a rolling stock of the present invention.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.

According to a general technical concept of the present invention, as shown in fig. 1-4, there is provided an iron shoe for preventing a rolling stock from slipping off, comprising a stop plate 3, wherein the stop plate 3 is attached to the top surface of a rail to rub against the rail when the rolling stock slips off, two side surfaces of the stop plate 3 parallel to the rail are respectively provided with a downwardly extending limiting plate, and the two limiting plates are clamped on the two side surfaces of the rail to prevent the stop plate 3 from being separated from the rail due to lateral force components; end fixedly connected with tip 2 on the top surface of the one end that the wheel was kept away from to position board 3, tip 2 is including welding two triangle-shaped iron plates that have a certain interval on position board 3, and the welding has baffle 4 on two triangle-shaped iron plates are close to the hypotenuse of wheel, and when the locomotive was swift and graceful, the wheel butt played the effect of braking on baffle 4.

A reset ejector rod 1 is also arranged on the toe cap 2, and a reset mechanism is also arranged between the reset ejector rod 1 and the toe cap 2; when the locomotive wheel moves due to other reasons, the locomotive wheel can firstly contact the reset ejector rod 1, when the reset ejector rod 1 is further extruded by the locomotive wheel, the locomotive wheel can generate downward pressure on the reset ejector rod 1, and then the stop plate 3 is firmly fixed on the track, so that the skate is in an anti-skid working state.

Furthermore, as shown in fig. 2, the reset mandril 1 of the invention is composed of two parallel rod parts and an arc-shaped connecting part, the whole reset mandril 1 is in a U-shaped rod structure, the elastic reset mechanism 11 between the reset mandril 1 and the toe cap 2 adopts a structure that a connecting shaft is matched with a torsion spring, the structure firstly needs to be respectively provided with two parallel connecting holes at the calibration positions of two triangular iron plates of the toe cap 2, the connecting shaft simultaneously penetrates through the two connecting holes and is rotationally connected with the toe cap 2, and the two rod parts of the reset mandril 1 are arranged at the two ends of the connecting shaft and are fixedly connected with the connecting shaft; a section of adjusting holes which are uniformly arranged along the axial direction of the connecting hole are arranged around the two connecting holes; the connecting shaft is sleeved with a torsional spring at the part inside the toe cap 2, one end of the torsional spring is fixedly connected with the connecting shaft, the other end of the torsional spring is assembled in a calibrated adjusting hole, and the adjusting hole has the effect that the angle of the positioning rod can be adjusted through the adjusting hole due to different diameters of the wheels of different types of the locomotive so as to adapt to locomotive wheels with different diameters.

Meanwhile, the reset ejector rod 1 can also play a role in positioning, when the reset ejector rod 1 abuts against the wheel but does not generate pressure, the distance between the end surface of the stop plate 3 close to the wheel and the contact part of the wheel and the rail in the state is a standard value, the standard value can be adjusted at will according to the field requirement and is generally set to be 150mm, the design can ensure that the wheel cannot be pressed on the stop plate 3 when the movement of the locomotive wheel does not exceed 150mm, a locomotive crew can conveniently take the iron shoe in the using process, and the problem that the current locomotive crew iron shoe is often pressed by the locomotive wheel is solved; when the locomotive wheel moves more than 150mm, the locomotive wheel presses the iron shoe, so that the iron shoe is in an anti-slip working state.

Furthermore, the reset ejector rod 1 can also play a role of a lifting handle, the workload that the existing iron shoe needs to be manually installed on the rail and taken down from the rail is reduced, and the working efficiency is further improved.

When the locomotive wheel is abutted to the iron shoe and is in an anti-sliding state, as shown in fig. 4, the baffle 4 on the toe cap 2 is abutted to the wheel tread, and the wheel tread is designed to be a cambered surface with a low outer side and a high inner side, and the outer side connecting part of the cambered surface is also provided with a round angle, so that the right-angle side of the traditional iron shoe is in line contact with the wheel, and the iron shoe is easy to collapse or deform to damage the iron shoe due to single-side stress, and even damage to electronic equipment; the two sides of the top surface of the baffle 4 are provided with arc surfaces matched with the locomotive wheels, the traditional line contact is changed into surface contact, so that the stress point is close to the middle part when the wheels press the iron shoes, the stress is approximately balanced, the iron shoes are not easy to deform and generate transverse displacement, meanwhile, downward pressure is applied to the iron shoes, and the slip-proof effect of the iron shoes is ensured.

Furthermore, the two arc surfaces of the baffle 4 are matched with the arc surface of the locomotive wheel tread, the size of the baffle is generally equal to or slightly larger than the arc radius of the locomotive wheel tread by 2mm, the arc radius of the locomotive wheel tread is generally R26, the iron shoe of the baffle 4 with the arc surface is generally applied to the extreme condition of straight strands or not limiting curves, and the conditions of shoe collapse and iron shoe crushing caused by unilateral stress under most conditions can be avoided.

The front end of the stop plate 3 is provided with a tongue tip part 31, one end of the stop plate 3 and the toe cap 2 close to the wheel is set as the front end, the tongue tip part 31 is the part of the stop plate 3 from the front end surface of the toe cap 2 to the front end surface of the stop plate 3, a certain included angle is arranged between two side surfaces of the tongue tip part 31, namely the width of the tongue tip part 31 is linearly reduced along with the reduction of the distance between the tongue tip part and the wheel, the included angle can be adjusted according to the type of the wheel, and is selected to be 15 degrees in the embodiment; the front end of the tongue tip part 31 is also provided with a transition section 32, the transition section 32 is provided with a slope which inclines forwards and downwards, an included angle which is matched with the wheel is arranged between the slope and the bottom surface of the stop plate 3, and the included angle is selected to be 20 degrees in the embodiment; meanwhile, the cross section of the transition section 32 is arc-shaped as viewed from top to bottom, and the radius of the arc in this embodiment is selected to be R15; through the structural design of the tongue tip part 31 at the front end of the stop plate 3, the probability that the iron shoe is pressed by the locomotive wheel can be reduced by 50%.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.