CN211335995U

CN211335995U - Shock-absorbing device for railway switch machine

Info

Publication number: CN211335995U
Application number: CN201922245101.6U
Authority: CN
Inventors: 吴文艾; 杜巧玲; 王茹玉; 王月太; 田宇航
Original assignee: Xian Traffic Engineering Institute
Current assignee: Xian Traffic Engineering Institute
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-08-25
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a railway switch machine damping device, include rail and the bottom plate of being connected with the rail, be fixed with the goat on the bottom plate, fixedly connected with drive plate between the drive end of goat and the outer wall of rail, the lower lateral wall of bottom plate is fixed with the base, the notch has been seted up to the lower lateral wall of base, the notch internal fixation is equipped with the piston pipe, it has the piston to slide in the piston pipe, roof fixed connection's carriage release lever in the last lateral wall fixedly connected with of piston and the notch, the lower lateral wall of piston pipe is fixed with the horizontal plate through the dead lever, the both ends of horizontal plate all are fixed with the buffer tube, every equal slip has the slide in the buffer tube. The utility model discloses when shaking about bottom plate and goat vibrations are carried out, flow through extrusion hydraulic oil and offset vibrations with steel ball contact friction, spacing to the base through the ball simultaneously, the trend of the reciprocal vibrations of prevention guarantees that bottom plate and goat resume stably fast.

Description

Shock-absorbing device for railway switch machine

Technical Field

The utility model relates to a railway technology field especially relates to railway switch goat damping device.

Background

The point switch is an important signal basic device for reliably switching the position of the turnout, changing the opening direction of the turnout, locking the switch point and reflecting the position of the turnout, and can well ensure the driving safety, improve the transportation efficiency and improve the labor intensity of driving personnel.

The end of the point switch is directly connected with the rail, when the train runs over the steel rail, the generated vibration can be transmitted to the point switch, and under the condition of larger vibration, the point switch can cause larger shake, so that the problems of internal blockage, output end breakage and the like can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art and providing a damping device of a railway switch machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the damping device for railway points machine includes steel rail and bottom plate connected to the steel rail, the bottom plate has point machine fixed, a driving plate is fixedly connected between the driving end of the switch machine and the outer wall of the steel rail, a base is fixed on the lower side wall of the bottom plate, a notch is arranged on the lower side wall of the base, a piston tube is fixedly arranged in the notch, a piston is arranged in the piston tube in a sliding manner, the upper side wall of the piston is fixedly connected with a movable rod fixedly connected with the inner top wall of the notch, the lower side wall of the piston tube is fixed with a horizontal plate through a fixed rod, buffer tubes are fixed at both ends of the horizontal plate, a sliding plate slides in each buffer tube, the lower side walls of the sliding plates and the inner bottom wall of the buffer tube are fixed with extension springs, the upper side walls of the two sliding plates are fixedly connected with connecting rods, the outer wall of the base is provided with inclined planes, and the upper ends of the two connecting rods are fixed with balls which are in contact with the inclined planes.

Preferably, hydraulic oil is filled between the piston and the inner bottom wall of the piston pipe, an oil delivery pipe is connected to the outer wall of the lower end of the piston pipe, a cover plate is connected to the upper end of the switch machine, and the end of the oil delivery pipe is fixed to the lower side wall of the cover plate and is in contact with the upper side wall of the switch machine.

Preferably, the oil delivery pipe located at the lower side of the cap plate is continuously provided in a plurality of stages.

Preferably, a plurality of steel balls are fixed on the inner wall of the oil delivery pipe, and the diameter of each steel ball is smaller than that of the oil delivery pipe.

Preferably, a sliding plate slides on the inner wall of one end of the oil delivery pipe, which is far away from the piston pipe, and a return spring is fixed between the sliding plate and the end part of the oil delivery pipe.

Preferably, the outer wall of the moving rod is sleeved with a telescopic spring, and two ends of the telescopic spring are fixedly connected with the upper side wall of the piston tube and the inner top wall of the notch respectively.

Compared with the prior art, the damping device of the railway turnout switch machine has the advantages that:

1. when the bottom plate and the point switch vibrate, the base moves downwards, the moving rod drives the piston to move downwards, hydraulic oil in the piston pipe is extruded to flow into the oil conveying pipe, vibration force is converted into friction force between the hydraulic oil and the steel balls, and the friction force is offset;

2. when the base moves downwards, the stretching spring pulls the sliding plate, the connecting rod and the ball to move downwards, the ball is always in contact with the inclined plane, the ball is pulled to be tightly abutted against the base through the elasticity of the stretching spring, the rebound of the base is blocked, the rebound of the base is further prevented, and the vibration amplitude of the bottom plate is reduced;

to sum up, the utility model discloses when shaking about bottom plate and goat vibrations are carried out, offset vibrations through extrusion hydraulic oil flow and steel ball contact friction, spacing to the base through the ball simultaneously, the trend of stopping reciprocal vibrations guarantees that bottom plate and goat resume stably fast.

Drawings

Fig. 1 is a schematic structural view of a damping device of a railway switch machine provided by the utility model;

fig. 2 is the utility model provides a top view of oil pipe end in the damping device of railway switch machine.

In the figure: the device comprises a steel rail 1, a switch machine 2, a drive plate 3, a bottom plate 4, a base 5, a buffer tube 6, an oil delivery tube 7, a connecting rod 8, a ball 9, a horizontal plate 10, a piston tube 11, a return spring 12, a telescopic spring 13, a steel ball 14, a sliding plate 15 and a sliding plate 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a shock-absorbing device of a railway switch machine comprises a steel rail 1 and a base plate 4 connected with the steel rail 1, a switch machine 2 is fixed on the base plate 4, a driving plate 3 is fixedly connected between the driving end of the switch machine 2 and the outer wall of the steel rail 1, a base 5 is fixed on the lower side wall of the base plate 4, a notch is formed in the lower side wall of the base 5, a piston tube 11 is fixed in the notch, a piston slides in the piston tube 11, hydraulic oil is filled between the piston and the inner bottom wall of the piston tube 11, an oil delivery tube 7 is connected on the outer wall of the lower end of the piston tube 11, a plurality of steel balls 14 are fixed on the inner wall of the oil delivery tube 7, the diameter of each steel ball 14 is smaller than that of the oil delivery tube 7, when a train drives the steel rail 1 to cause the vibration of the base plate 4, the base 5 moves downwards, the flow tendency of the hydraulic oil is counteracted by the friction between the hydraulic oil and the steel balls 14.

The upper end of goat 2 is connected with the apron, the tip of defeated oil pipe 7 is fixed at the lower lateral wall of apron and is contacted with the last lateral wall of goat 2, defeated oil pipe 7 multistage and the continuous setting that are located the apron downside, it has sliding plate 15 to slide on the one end inner wall of piston pipe 11 to keep away from to defeated oil pipe 7, be fixed with reset spring 12 between sliding plate 15 and the tip of defeated oil pipe 7, defeated oil pipe 7 of multistage can increase with goat 2 area of contact, carry out goat 2 during operation through hydraulic oil and produce thermal absorption, promote sliding plate 15 to remove when hydraulic oil flows simultaneously, carry out reset spring 12's pressurization, after vibrations are eliminated, sliding plate 15 moves back under reset spring 12's reverse elasticity.

The upper side wall of the piston is fixedly connected with a moving rod fixedly connected with the inner top wall of the notch, the outer wall of the moving rod is sleeved with an expansion spring 13, two ends of the expansion spring 13 are respectively fixedly connected with the upper side wall of the piston tube 11 and the inner top wall of the notch, when the bottom plate 4 vibrates to move downwards, the expansion spring 13 is extruded to absorb the vibration, the lower side wall of the piston tube 11 is fixedly provided with a horizontal plate 10 through a fixed rod, two ends of the horizontal plate 10 are respectively fixed with buffer tubes 6, each buffer tube 6 is internally provided with a sliding plate 16 in a sliding manner, the lower side wall of each sliding plate 16 and the inner bottom wall of each buffer tube 6 are respectively provided with an extension spring, the upper side walls of the two sliding plates 16 are respectively fixedly connected with connecting rods 8, the outer wall of the base 5 is provided with an inclined plane, the upper ends of the two connecting rods 8 are respectively fixed with a ball 9 which, the ball 9 is always in contact with the inclined plane, the ball 9 is pulled to be tightly abutted to the base 5 through the elastic force of the extension spring, the rebound of the base 5 is blocked, the trend of the rebound of vibration is reduced, and the vibration trend of the bottom plate 4 and the point switch 2 is weakened.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

Now, the operation principle of the present invention is explained as follows:

when a train drives over the steel rail 1 to cause the bottom plate 4 to vibrate, the base 5 moves downwards, the movable rod drives the piston to move downwards, hydraulic oil in the extrusion piston pipe 11 flows towards the oil conveying pipe 7, the flowing trend of the hydraulic oil is offset through friction between the hydraulic oil and the steel balls 14, meanwhile, when the base 5 moves downwards, the stretching spring pulls the sliding plate 16, the connecting rod 8 and the round ball 9 move downwards, the round ball 9 is always in contact with the inclined plane, the round ball 9 is tightly abutted to the base 5 through the elasticity of the stretching spring, the rebounding of the base 5 is prevented, the vibrating rebounding trend is reduced, and the vibrating trend of the bottom plate 4 and the switch machine 2 is weakened.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A damping device of a railway turnout switch machine comprises a steel rail (1) and a base plate (4) connected with the steel rail (1), and is characterized in that a switch machine (2) is fixed on the base plate (4), a drive plate (3) is fixedly connected between a drive end of the switch machine (2) and the outer wall of the steel rail (1), a base (5) is fixed on the lower side wall of the base plate (4), a notch is formed in the lower side wall of the base (5), a piston tube (11) is fixed in the notch, a piston is arranged in the piston tube (11) in a sliding manner, a moving rod fixedly connected with the inner top wall of the notch is fixedly connected on the upper side wall of the piston, a horizontal plate (10) is fixed on the lower side wall of the piston tube (11) through a fixing rod, buffer tubes (6) are fixed at two ends of the horizontal plate (10), and a sliding plate (16) is arranged in each buffer, the lower lateral wall of slide (16) and the interior diapire of buffer tube (6) are fixed with extension spring, two the equal fixedly connected with connecting rod (8) of the last lateral wall of slide (16), the outer wall of base (5) is equipped with the inclined plane, two the upper end of connecting rod (8) all is fixed with ball (9) that contact with the inclined plane.

2. The damping device for a railway switch machine according to claim 1, wherein hydraulic oil is filled between the piston and the inner bottom wall of the piston tube (11), an oil delivery tube (7) is connected to the outer wall of the lower end of the piston tube (11), a cover plate is connected to the upper end of the switch machine (2), and the end of the oil delivery tube (7) is fixed to the lower side wall of the cover plate and contacts with the upper side wall of the switch machine (2).

3. The damping device for a railway switch machine according to claim 2, wherein the oil delivery pipe (7) on the lower side of the cover plate is continuously provided in a plurality of stages.

4. The damping device for a railway switch machine as claimed in claim 2, wherein a plurality of steel balls (14) are fixed on the inner wall of the oil pipe (7), and the diameter of the steel balls (14) is smaller than that of the oil pipe (7).

5. The damping device for a railway switch machine as claimed in claim 2, wherein a sliding plate (15) is slid on an inner wall of an end of the oil delivery pipe (7) remote from the piston pipe (11), and a return spring (12) is fixed between the sliding plate (15) and the end of the oil delivery pipe (7).

6. The damping device for a railway switch machine as claimed in claim 1, wherein the outer wall of the moving rod is sleeved with a telescopic spring (13) having both ends fixedly connected to the upper side wall of the piston tube (11) and the inner top wall of the recess, respectively.