阅读说明：本技术 一种有效降低高速急刹列车脱轨的制动设备 (Braking equipment for effectively reducing derailment of high-speed emergency brake train ) 是由 苏泽军 于 2019-12-12 设计创作，主要内容包括：本发明公开的一种有效降低高速急刹列车脱轨的制动设备,包括安装于车厢底部空腔内壁上的弧形管,以及转动连接于车轴上的摆臂,所述摆臂上转动连接有传动轴,所述传动轴上转动连接有减速轮,所述减速轮内设有变形腔,所述变形腔周向内壁贯通设有环形腔,所述变形腔内设有十字液压系统,本发明采用在原本的车轴上设置于一组以车轴为圆心的弧形滑动的减速轮,减速轮内部设置可通过油液量的变化将原本菱形分布的摩擦板变化为三角形,并且最长的三角边与铁轨接触,在原本切点摩擦接触的基础上,增加了面接触摩擦,增加摩擦力提升降速效果,同时在接触铁轨的结构上设置于铁轨底端抵接的限制结构,降低车厢脱轨的几率。(The invention discloses a braking device for effectively reducing derailment of a high-speed emergency brake train, which comprises an arc-shaped pipe arranged on the inner wall of a cavity at the bottom of a carriage and a swing arm rotationally connected to an axle, wherein a transmission shaft is rotationally connected to the swing arm, a speed reducing wheel is rotationally connected to the transmission shaft, a deformation cavity is arranged in the speed reducing wheel, an annular cavity is arranged on the circumferential inner wall of the deformation cavity in a penetrating way, and a cross hydraulic system is arranged in the deformation cavity. The probability of derailment of the carriage is reduced.)

1. The utility model provides an effectively reduce braking equipment of high-speed emergency brake train derailment, is including installing the arc pipe on carriage bottom cavity inner wall to and rotate and connect in the epaxial swing arm of axletree, its characterized in that: the swing arm is rotatably connected with a transmission shaft;

the transmission shaft is rotatably connected with a speed reducing wheel, a deformation cavity is arranged in the speed reducing wheel, the circumferential inner wall of the deformation cavity is provided with an annular cavity in a through mode, a cross hydraulic system is arranged in the deformation cavity and comprises a switch barrel fixed on the inner wall of the rear end of the deformation cavity, four hydraulic pipes which are communicated with the switch barrel and are centrosymmetric, a piston rod which is slidably connected in the hydraulic pipes and is provided with a spring, and a central shaft which is arranged on the piston rod and is positioned in the annular cavity, wherein the position of the central shaft is adjusted through the change of oil quantity in the hydraulic pipes;

the central shaft is hinged with L-shaped connecting plates which are centrosymmetric, an attaching block is arranged on each L-shaped connecting plate, a rail grabbing device is arranged in each attaching block and comprises a grabbing cavity which is arranged in each attaching block and has an outward opening, switching cavities which are symmetrically arranged on the inner walls of the grabbing cavities, and two piston clamping rods which are connected to the switching cavities in a sliding mode, are close to the inner walls of the grabbing cavities and are in rectangular arrays, and the piston clamping rods slide to the lower end of a rail to abut against the rail to prevent derailment of a carriage;

face mutually the center pin just is located same one side be equipped with flexible subassembly between the laminating piece, be equipped with the control in the arc pipe the gliding signal switch of transmission shaft, signal switch including set up in track chamber in the arc pipe, sliding connection in the slider of track intracavity, set up in the profile of tooth section of track intracavity, set up in on the transmission shaft and can with the gear that the meshing of profile of tooth section is connected, through the oil mass change of track intracavity makes the transmission shaft slides, through the profile of tooth section with the meshing of gear rotates the transmission shaft, starting equipment.

2. The braking device for effectively reducing derailment of a high-speed emergency brake train as set forth in claim 1, wherein: the cross hydraulic system further comprises a sealing column which is arranged on the transmission shaft and is positioned in the switch barrel, and a cross through groove which can be communicated and connected with the hydraulic pipe is arranged in the sealing column.

3. The braking device for effectively reducing derailment of a high-speed emergency brake train as set forth in claim 1, wherein: grab the rail device still including set up in switch the three U-shaped pipe of the rectangular array of intracavity, the U-shaped pipe with sliding connection between the piston kelly is close to it is inboard to snatch the chamber be equipped with three hornblocks on the piston kelly, three hornblocks with it is connected with reset spring to snatch between the intracavity wall, be equipped with on the three hornblocks can with keep away from it is inboard to snatch the chamber piston kelly sliding connection.

4. The braking device for effectively reducing derailment of a high-speed emergency brake train as set forth in claim 1, wherein: the telescopic component comprises a telescopic rod arranged on the laminating block, the telescopic rod is connected with a sleeve in a sliding mode, and a resistance spring is connected between the sleeve and the telescopic rod.

5. The braking device for effectively reducing derailment of a high-speed emergency brake train as set forth in claim 1, wherein: the signal switch also comprises an electromagnetic valve arranged on the inner wall of the lower end of the track cavity.

Technical Field

The invention relates to the technical field of train braking, in particular to a braking device for effectively reducing derailment of a high-speed emergency braking train.

Background

With the continuous maturity of railway construction technology, trains except for high features have great speed increase. However, when emergency braking is required in an emergency during the high-speed running of the train, the conventional braking device locks the wheels of the train and limits the movement of the train through the friction between the wheels and the rails.

However, because the wheel is of a circular structure and the friction contact position between the wheel and the rail is a tangent point, the friction resistance provided by emergency braking is small. In addition, because the weight in each carriage is different, the inertia of each carriage is different, and the heavy carriage can extrude the carriage at the front side during emergency braking, so that derailment of the heavy carriage causes a greater safety accident. The present invention sets forth a device that solves the above problems.

Disclosure of Invention

The technical problem is as follows:

during emergency braking, the friction contact position between the wheels and the rails is a tangent point, the friction resistance provided is limited, and the derailment phenomenon is easy to occur due to different weight and inconsistent inertia of each carriage.

In order to solve the problems, the embodiment designs a braking device for effectively reducing the derailment of a high-speed emergency brake train, the braking device for effectively reducing the derailment of the high-speed emergency brake train comprises an arc-shaped pipe arranged on the inner wall of a cavity at the bottom of a carriage and a swing arm rotationally connected to an axle, a transmission shaft is rotationally connected to the swing arm, a speed reducing wheel is rotationally connected to the transmission shaft, a deformation cavity is arranged in the speed reducing wheel, an annular cavity is arranged on the circumferential inner wall of the deformation cavity in a penetrating manner, a cross hydraulic system is arranged in the deformation cavity, the cross hydraulic system comprises a switch barrel fixed on the inner wall at the rear end of the deformation cavity, four hydraulic pipes which are communicated with the switch barrel and are centrosymmetric, a piston rod which is slidably connected in the hydraulic pipe and is provided with a spring, a central shaft arranged on the piston rod and is positioned in the annular cavity, and the, the central shaft is hinged with L-shaped connecting plates with central symmetry, the L-shaped connecting plates are provided with bonding blocks, rail grabbing devices are arranged in the bonding blocks and comprise grabbing cavities with outward openings, switching cavities symmetrically arranged on the inner walls of the grabbing cavities and two piston clamping rods which are connected to the switching cavities, close to the inner walls of the grabbing cavities and in a rectangular array, the piston clamping rods slide to the lower end of a rail to prevent derailment of a carriage, telescopic assemblies are arranged between the bonding blocks which face the central shaft and are positioned on the same side, signal switches for controlling the sliding of the transmission shaft are arranged in the arc-shaped pipe and comprise a track cavity arranged in the arc-shaped pipe, sliding blocks connected in the track cavity, tooth-shaped sections arranged in the track cavity and gears which are arranged on the transmission shaft and can be meshed with the tooth-shaped sections, the transmission shaft slides through the change of the oil quantity in the track cavity, and the transmission shaft is rotated through the meshing of the tooth-shaped section and the gear, so that the equipment is started.

The cross hydraulic system further comprises a sealing column which is arranged on the transmission shaft and is positioned in the switch barrel, and a cross through groove which can be communicated and connected with the hydraulic pipe is arranged in the sealing column.

The rail grabbing device further comprises three U-shaped pipes arranged in the switching cavity and in a rectangular array, the U-shaped pipes are connected with the piston clamping rods in a sliding mode and are close to the grabbing cavity inner side, three triangular blocks are arranged on the piston clamping rods, return springs are connected between the three triangular blocks and the grabbing cavity inner wall, and the three triangular blocks can be connected with the grabbing cavity inner side in a sliding mode and are connected with the piston clamping rods in a sliding mode.

Wherein, flexible subassembly including set up in telescopic link on the laminating piece, sliding connection has the sleeve on the telescopic link, the sleeve with be connected with resistance spring between the telescopic link.

The signal switch also comprises an electromagnetic valve arranged on the inner wall of the lower end of the track cavity.

The invention has the beneficial effects that: the invention adopts the deceleration wheel which is arranged on the original axle and slides in an arc shape with the axle as the center of a circle, the friction plates which are originally distributed in a diamond shape are changed into a triangle shape through the change of the oil amount, and the longest triangle side is contacted with the rail, so that the surface contact friction is increased on the basis of the original tangent point friction contact, the friction force is increased, the deceleration effect is improved, and meanwhile, the limiting structure which is abutted against the bottom end of the rail is arranged on the structure which is contacted with the rail, so that the probability of derailment of a carriage is reduced.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of a braking apparatus for effectively reducing derailment of a high-speed emergency brake train according to the present invention;

FIG. 2 is a schematic structural diagram of the interior of the reduction gear of FIG. 1;

FIG. 3 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 4 is a schematic view of the structure in the direction "B-B" of FIG. 1;

FIG. 5 is a schematic view of the structure in the direction "C-C" of FIG. 4.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a braking device for effectively reducing derailment of a high-speed emergency brake train, which is mainly applied to the process of efficiently reducing the speed of the high-speed train under the condition of ensuring no derailment, and the invention is further explained by combining the attached drawings of the invention:

the invention relates to a braking device for effectively reducing derailment of a high-speed emergency brake train, which comprises an arc-shaped pipe 14 arranged on the inner wall of a cavity at the bottom of a carriage and a swing arm 11 rotationally connected to an axle, wherein a transmission shaft 12 is rotationally connected to the swing arm 11, a speed reducing wheel 13 is rotationally connected to the transmission shaft 12, a deformation cavity 19 is arranged in the speed reducing wheel 13, an annular cavity 18 is arranged on the circumferential inner wall of the deformation cavity 19 in a penetrating manner, a cross hydraulic system 901 is arranged in the deformation cavity 19, the cross hydraulic system 901 comprises a switch barrel 25 fixed on the inner wall at the rear end of the deformation cavity 19, four hydraulic pipes 27 which are communicated with the switch barrel 25 and are centrosymmetric, a piston rod 26 which is slidably connected in the hydraulic pipe 27 and is provided with a spring, a central shaft 21 which is arranged on the piston rod 26 and is positioned in the annular cavity 18, and the position of the, articulated on the center pin 21 have centrosymmetric L shape joint board 33, be equipped with laminating piece 20 on the L shape joint board 33, be equipped with in the laminating piece 20 and grab rail device 902, grab rail device 902 including set up in the laminating piece 20 and the outside chamber 34 that snatchs of opening, symmetrical set up in grab switch chamber 40 on the chamber 34 inner wall, sliding connection in switch chamber 40 is close to grab on the chamber 34 side inner wall and two piston kellies 38 of rectangular array, through piston kellies 38 slides to the butt of rail lower extreme and prevents the carriage derailment, face the center pin 21 and be located and be equipped with telescopic component 903 between the laminating piece 20 of same side, be equipped with the control in the arc pipe 14 the gliding signal switch 904 of transmission shaft 12, signal switch 904 including set up in track chamber 15 in the arc pipe 14, sliding connection in the slider 32 in track chamber 15, The oil quantity in the track cavity 15 changes to enable the transmission shaft 12 to slide, the tooth-shaped section 16 is arranged in the track cavity 15, the gear 31 is arranged on the transmission shaft 12 and can be meshed with the tooth-shaped section 16, the transmission shaft 12 is rotated through meshing of the tooth-shaped section 16 and the gear 31, and equipment is started.

According to an embodiment, the cross hydraulic system 901 is described in detail below, the cross hydraulic system 901 further includes a sealing post 24 disposed on the transmission shaft 12 and located in the switch barrel 25, a cross through slot 23 capable of being connected to the hydraulic pipes 27 is disposed in the sealing post 24, the transmission shaft 12 rotates to drive the sealing post 24 to change the orientation of the cross through slot 23, so that the four hydraulic pipes 27 are connected, the oil in the upper hydraulic pipe 27 flows into the remaining hydraulic pipes 27, the upper central shaft 21 moves downward, and the left and right central shafts 21 move outward, thereby changing the position of the fitting block 20.

According to the embodiment, the rail grabbing device 902 is described in detail below, the rail grabbing device 902 further includes three U-shaped tubes 37 arranged in the switching cavity 40 in a rectangular array, the U-shaped tubes 37 are slidably connected to the piston clamping rods 38, the piston clamping rods 38 near the inner side of the grabbing cavity 34 are provided with triangular blocks 36, return springs 35 are connected between the triangular blocks 36 and the inner wall of the grabbing cavity 34, the triangular blocks 36 are provided with curved surfaces capable of being slidably connected to the piston clamping rods 38 far away from the inner side of the grabbing cavity 34, the curved surfaces at the upper end of the rail can push the triangular blocks 36 to move away from each other, the return springs 35 are squeezed and pushed to move by the piston clamping rods 38 near the inner side of the grabbing cavity 34, and the piston clamping rods 38 far away from the inner side of the grabbing cavity 34 can slide by using the oil volume difference of the U-shaped tubes 37, and is passed through the through hole 39 to abut against the lower end of the rail.

According to an embodiment, a telescopic assembly 903 is described in detail below, the telescopic assembly 903 includes a telescopic rod 22 disposed on the fitting block 20, a sleeve 28 is slidably connected to the telescopic rod 22, a resistance spring 29 is connected between the sleeve 28 and the telescopic rod 22, and the sliding of the sleeve 28 in the telescopic rod 22 ensures the adaptive adjustment of the distance between the fitting block 20 and the fitting block in the rotating process.

According to an embodiment, the signal switch 904 is described in detail below, the signal switch 904 further includes a solenoid valve 17 disposed on an inner wall of a lower end of the rail cavity 15, and oil filling in the rail cavity 15 is controlled by the solenoid valve 17.

The following describes in detail the steps of using the braking device for effectively reducing derailment of high-speed emergency brake train in this document with reference to fig. 1 to 5:

initially, the cross-shaped through slot 23 is staggered with the hydraulic pipe 27, the liquid in the hydraulic pipe 27 pushes the piston rod 26 to make the central shaft 21 located in the annular cavity 18, and the two fitting blocks 20 of the same central shaft 21 are placed at an included angle of ninety degrees, because of the elastic force of the return spring 35, so that the triangular blocks 36 are located at positions close to each other, and the positions of the piston clamping rods 38 at the inner side and the outer side are staggered.

During emergency braking, the electromagnetic valve 17 receives a signal to start to discharge oil in the track cavity 15, so that the slider 32 slides downwards along the track cavity 15, the speed-reducing wheel 13 is placed on a rail, and in the sliding process of the slider 32, the transmission shaft 12 rotates forty-five degrees due to the meshing of the gear 31 and the toothed section 16, so that the four hydraulic pipes 27 are communicated with each other;

the oil in the upper hydraulic pipe 27 flows into the rest hydraulic pipes 27, so that the upper central shaft 21 moves downwards, the left and right central shafts 21 move outwards, the positions of the fitting blocks 20 are changed, and the two lower fitting blocks 20 and the fitting blocks 20 which are positioned on the left and right central shafts 21 and connected through the telescopic assembly 903 are fitted on the rail, wherein four fitting blocks 20 are totally fitted on the rail;

utilize rail upper end dog-ear to be the curved surface, can promote the removal that the triangular block 36 kept away from each other, extrusion reset spring 35 and promotion are removed by being close to the piston kelly 38 of grabbing the chamber 34 inboard again, the oil mass difference messenger who recycles U-shaped pipe 37 keeps away from and snatchs the piston kelly 38 of chamber 34 inboard and slides, and pass through-hole 39 and rail lower extreme butt, it prevents the carriage derailment to grasp the rail, and on the basis of the tangent point frictional contact originally, the face contact friction by triangular block 36 and rail has been increased, increase frictional force, promote the deceleration effect.

The invention has the beneficial effects that: the invention adopts the deceleration wheel which is arranged on the original axle and slides in an arc shape with the axle as the center of a circle, the friction plates which are originally distributed in a diamond shape are changed into a triangle shape through the change of the oil amount, and the longest triangle side is contacted with the rail, so that the surface contact friction is increased on the basis of the original tangent point friction contact, the friction force is increased, the deceleration effect is improved, and meanwhile, the limiting structure which is abutted against the bottom end of the rail is arranged on the structure which is contacted with the rail, so that the probability of derailment of a carriage is reduced.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.