CN216002593U

CN216002593U - Energy-absorbing anti-climbing frame for rail transit vehicle head

Info

Publication number: CN216002593U
Application number: CN202122748985.4U
Authority: CN
Inventors: 钱多康; 范福建; 王小二
Original assignee: Jingjiang Aoxiang Transportation Equipment Manufacturing Co ltd
Current assignee: Jingjiang Aoxiang Transportation Equipment Manufacturing Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-03-11
Anticipated expiration: 2031-11-10

Abstract

The utility model relates to a rail transit vehicle locomotive is with energy-absorbing anti-climbing frame belongs to the technical field of rail transit vehicle accessory, and it is including the fixing base that is fixed in the locomotive, fixedly connected with energy-absorbing box on the fixing base, the energy-absorbing box comprises two energy-absorbing spare welded fastening, the sheet metal construction of buckling is established to both sides to the energy-absorbing spare, the mutual amalgamation welding of the tip of the part of buckling of two energy-absorbing spares. This application has the effect that improves the flexibility that the product was adjusted.

Description

Energy-absorbing anti-climbing frame for rail transit vehicle head

Technical Field

The application relates to the field of rail transit vehicle accessories, in particular to an energy-absorbing anti-climbing frame for a rail transit vehicle head.

Background

At present, the rail transit industry in China is rapidly developed, the running speed of trains is continuously improved, and once collision accidents happen to the trains, serious casualties and property loss can be caused at higher and higher speeds, so that the passive safety protection mechanism for improving the trains is an increasingly important problem in recent years. In the event of a train collision, the coupling buffer acts first, after its failure the entire coupling buffer is withdrawn from the mounting bolt, and then the anti-creeper comes into contact. Therefore, the energy-absorbing and anti-climbing device is an indispensable part in the design of a collision-resistant vehicle body as a climbing vehicle buffering energy-absorbing device, and the energy-absorbing device absorbs energy through large plastic deformation of materials or large friction between metals, so that the effects of buffering energy absorption and preventing climbing vehicle during vehicle body collision are achieved.

In the related art, the energy absorption box body for absorbing energy is of an integral structure by adopting an alloy extruded section, the section area of the section is determined, the thickness of the energy absorption box body cannot be adjusted adaptively according to the change of the energy absorption size, and only a production die is redesigned, so that time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

In order to improve the suitability of product, this application provides a rail transit vehicle locomotive is with energy-absorbing anti-climbing frame.

The application provides a pair of rail transit vehicle locomotive is with energy-absorbing anti-climbing frame adopts following technical scheme:

the energy-absorbing anti-climbing frame for the rail transit vehicle head comprises a fixed seat fixed on the head, wherein an energy-absorbing box body is fixedly connected to the fixed seat, the energy-absorbing box body is formed by welding and fixing two energy-absorbing parts, the energy-absorbing parts are of sheet metal structures with bent sides, and the end parts of the bent parts of the two energy-absorbing parts are spliced and welded with each other.

By adopting the technical scheme, the energy-absorbing box body is formed by bending two plates and then welding the two plates, the plates with different thicknesses can be selected according to the estimated collision energy, the thickness of the energy-absorbing box body is adjusted, the flexibility of product adjustment is improved, and the applicability of the product is improved. In addition, only two plates are selected for welding, so that the number of welding seams can be reduced, the possibility of welding quality problems can be correspondingly reduced, the stability of the structure of the energy-absorbing box body is improved, and the possibility of energy-absorbing instability and even failure of the energy-absorbing box body during energy absorption is reduced.

Optionally, an energy absorption partition plate is arranged on the energy absorption box body, an energy absorption pipe is inserted into the energy absorption partition plate, and an anti-climbing seat is fixedly connected to one end, far away from the energy absorption box body, of the energy absorption pipe.

Through adopting above-mentioned technical scheme, when the train takes place the striking, the automobile body of anticreep seat embedding place the place ahead train is inside, couples together the automobile body of two trains, reduces two trains and takes place the possibility of the accident of climbing because of the very big impact force of striking, protects the inside passenger's in carriage safety, and the energy-absorbing pipe absorbs the energy that the striking produced when the striking simultaneously, reduces the impact force that the striking produced, protects the inside driver's of train driver's cabin safety.

Optionally, one side that the fixing base was kept away from to the anti-climb seat is equipped with a plurality of anti-climb teeth, and is a plurality of anti-climb tooth sets up along vertical direction equidistance.

Through adopting above-mentioned technical scheme, when bumping, the anti-creep tooth of two car anti-creep frame front ends can interlock each other, reduces the vehicle and takes place to climb the phenomenon of folding under the effect of the collision force to reduce casualties and loss of property.

Optionally, a cutting seat is arranged on one side, close to the fixing seat, of the energy-absorbing partition plate, a cutting hole is formed in the cutting seat, a mounting hole is formed in the energy-absorbing partition plate, the mounting hole and the cutting hole are coaxially arranged, a cutting rod is mounted on the energy-absorbing partition plate through the mounting hole, one end, close to the fixing seat, of the cutting rod is inserted into the cutting hole, and the aperture of the cutting hole is smaller than that of the mounting hole.

Through adopting above-mentioned technical scheme, when the train produced the striking, the cutting pole was slided to being close to fixed direction gradually under the promotion of anti-creep seat, because the aperture of the cutting hole on the cutting seat is less than the aperture of mounting hole, at the slip in-process of cutting pole, the cutting seat carries out the cutting energy-absorbing to the cutting pole, and in the cutting process, the cutting seat produces the friction when sliding in the cutting hole and turns into internal energy with mechanical energy and release to improve the device's energy-absorbing effect.

Optionally, an energy-absorbing spring is sleeved outside the cutting rod, one end of the energy-absorbing spring abuts against one side, far away from the fixed seat, of the energy-absorbing partition plate, and the other end of the energy-absorbing spring abuts against one side, close to the fixed seat, of the anti-climbing seat.

By adopting the technical scheme, after the impact occurs, the cutting rod slides towards the direction close to the fixing direction gradually under the pushing of the anti-climbing seat, so that the energy-absorbing spring outside the cutting rod is compressed, and the energy-absorbing spring performs compression energy absorption, thereby further improving the energy-absorbing effect of the device.

Optionally, an induced deformation plate is arranged on the inner wall of the energy-absorbing box body, protrusions for inserting the energy-absorbing box body are respectively arranged on four edges of the induced deformation plate, and limit grooves matched with the protrusions corresponding to the protrusions are arranged on the periphery of the energy-absorbing box body.

Through adopting above-mentioned technical scheme, when the energy-absorbing box when striking when inwards collapsing gradually and warping, induced deformation board also produces the fold and warp along with it, and the energy that the striking produced is turned into plastic deformation gradually and is absorbed, can effectively reduce impact and the vibrations range that the train collided the production, improves the security and the travelling comfort of passenger's trip.

Optionally, an extrusion hole is formed in the induced deformation plate, the extrusion hole and the energy absorption pipe are coaxially arranged, and the aperture of the extrusion hole is smaller than the outer diameter of the energy absorption pipe.

By adopting the technical scheme, when the impact just begins, the energy-absorbing pipe slides towards the fixed seat under the pushing of the anti-climbing seat, and the extrusion hole extrudes the energy-absorbing pipe while the energy-absorbing pipe slides, so that the diameter of the energy-absorbing pipe is reduced, the sliding resistance of the energy-absorbing pipe is increased, and the energy generated by the impact is absorbed.

Optionally, the energy-absorbing box body is in a square platform shape, and the area of the side surface, close to the anti-climbing seat, of the energy-absorbing box body is smaller than the area of the side surface, close to the fixed seat, of the energy-absorbing box body.

Through adopting above-mentioned technical scheme, after the energy-absorbing pipe is all extrudeed, the first grade energy-absorbing work of energy-absorbing pipe is accomplished, anti-creep seat continues to move towards the mount pad, at this moment, anti-creep seat and the inside structure of fixing base extrusion energy-absorbing box together, the side area that is close to anti-creep seat through setting up the energy-absorbing box is less than the side area that is close to the fixing base, can make the energy-absorbing box when the energy-absorbing, begin the energy-absorbing from the one end that is close to anti-creep seat earlier, progressively pass to the energy-absorbing of the one end of keeping away from anti-creep seat, orderly carry out the energy-absorbing when having guaranteed the collision and taking place, prevent that each energy-absorbing part warp the energy-absorbing simultaneously and cause anti-creep ware unstability inefficacy.

In summary, the present application includes at least one of the following beneficial technical effects:

the two plates are bent and then welded into the energy-absorbing box body, and the plates with different thicknesses can be selected according to the estimated collision energy to adjust the thickness of the energy-absorbing box body, so that the flexibility of product adjustment is improved, and the applicability of the product is improved;

through the arrangement of the cutting rod and the cutting seat, when a train is impacted, the cutting rod is pushed by the anti-climbing seat to gradually slide towards a fixed direction, the cutting seat performs cutting energy absorption on the cutting rod in the sliding process of the cutting rod because the aperture of the cutting hole in the cutting seat is smaller than that of the mounting hole, and the cutting seat generates friction when sliding in the cutting hole in the cutting process to convert mechanical energy into internal energy for releasing, so that the energy absorption effect of the device is improved;

through the setting of induced deformation board, when the energy-absorbing box when striking when inwards collapsing gradually and warping, induced deformation board also produces the fold and warp along with it, and the energy that the striking produced is turned into plastic deformation gradually and is absorbed, can effectively reduce impact and the vibrations range that the train collided the production, improves the security and the travelling comfort of passenger's trip.

Drawings

Fig. 1 is a schematic overall structure diagram embodying an embodiment of the present application.

FIG. 2 is an exploded view of a cutting rod and cutting block embodying embodiments of the present application.

FIG. 3 is a schematic structural diagram of an induced deformation plate embodying an embodiment of the present application.

Description of reference numerals: 1. a fixed seat; 2. an energy absorption box body; 21. an energy absorbing member; 22. an energy absorbing baffle; 221. an energy absorbing tube; 222. a cutting seat; 2221. cutting a hole; 223. mounting holes; 224. a cutting rod; 225. an energy-absorbing spring; 23. a deformation-inducing plate; 231. a protrusion; 232. extruding the hole; 24. a limiting groove; 3. an anti-creep seat; 31. prevent climbing tooth.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses energy-absorbing anti-climbing frame for rail transit vehicle headstock. Referring to fig. 1, an energy-absorbing anti-climbing frame for a rail transit vehicle head comprises a fixing seat 1, wherein the fixing seat 1 can be fixedly connected to the head through bolts, an energy-absorbing box body 2 is fixed on the fixing seat 1, the energy-absorbing box body 2 is formed by welding and fixing two energy-absorbing pieces 21, the energy-absorbing pieces 21 are arranged into sheet metal structures with two bent sides, and the ends of the bent parts of the two energy-absorbing pieces 21 are spliced and welded with each other.

So, energy-absorbing box 2 is formed by welding after two blocks of panel are buckled, can select for use the panel of different thickness according to the size of the collision energy of estimating, adjusts energy-absorbing box 2's thickness, has improved the flexibility that the product was adjusted, and the suitability of product obtains promoting. In addition, only two plates are selected for welding, so that the number of welding seams can be reduced, the possibility of welding quality problems can be correspondingly reduced, the structural stability of the energy-absorbing box body 2 is improved, and the possibility of energy-absorbing instability and even failure of the energy-absorbing box body 2 during energy absorption is reduced.

Referring to fig. 1, fixedly connected with energy-absorbing baffle 22 on the energy-absorbing box 2, insert on the energy-absorbing baffle 22 and be equipped with energy-absorbing pipe 221, one end fixedly connected with anti-creep seat 3 that the box was kept away from to energy-absorbing pipe 221, one side fixedly connected with a plurality of anti-climbing teeth 31 that fixing base 1 was kept away from to anti-creep seat 3, a plurality of anti-climbing teeth 31 set up along vertical direction equidistance. When a train is collided, the anti-climbing teeth 31 at the front ends of the anti-climbing frames of the two trains can be mutually meshed, so that the phenomenon that the train is overlapped in a climbing mode under the action of collision force is reduced, the safety of passengers in a carriage is protected, meanwhile, the energy absorption pipe 221 absorbs energy generated by collision during collision, the impact force generated by collision is reduced, and the safety of drivers in a train cab is protected.

Referring to fig. 2, a cutting seat 222 is fixedly connected to one side of the energy-absorbing partition 22 close to the fixed seat 1, a cutting hole 2221 is formed in the cutting seat 222, a mounting hole 223 is formed in the energy-absorbing partition 22, the mounting hole 223 and the cutting hole 2221 are coaxially arranged, a cutting rod 224 is mounted on the energy-absorbing partition 22 through the mounting hole 223, one end of the cutting rod 224 close to the fixed seat 1 is inserted into the cutting hole 2221, and the aperture of the cutting hole 2221 is smaller than that of the mounting hole 223. Thus, when a train is impacted, the cutting rod 224 is pushed by the anti-climbing seat 3 to gradually slide towards a fixed direction, the cutting seat 222 performs cutting energy absorption on the cutting rod 224 in the sliding process of the cutting rod 224 because the aperture of the cutting hole 2221 on the cutting seat 222 is smaller than that of the mounting hole 223, and the cutting seat 222 generates friction when sliding in the cutting hole 2221 to convert mechanical energy into internal energy for releasing, so that the energy absorption effect of the device is improved.

Referring to fig. 1, an energy absorbing spring 225 is sleeved outside the cutting rod 224, one end of the energy absorbing spring 225 abuts against one side of the energy absorbing partition 22 away from the fixing seat, and the other end abuts against one side of the anti-climbing seat 3 close to the fixing seat 1. Thus, after the impact occurs, the cutting bar 224 is pushed by the anti-climbing seat 3 to slide gradually in a direction approaching the fixed direction, and further the energy absorbing spring 225 outside the cutting bar 224 is compressed, and the energy absorbing spring 225 performs compression energy absorption, thereby further improving the energy absorbing effect of the device.

Referring to fig. 1 and 3, an induced deformation plate 23 is fixed on an inner wall of the energy-absorbing box 2, four edges of the induced deformation plate 23 are respectively and fixedly connected with protrusions 231 for inserting into side walls of the energy-absorbing box 2, and limiting grooves 24 matched with the respective protrusions 231 are formed on the side walls around the energy-absorbing box 2. When the energy-absorbing box body 2 is gradually collapsed and deformed inwards during impact, the induced deformation plate 23 is also deformed along with the wrinkles generated by the impact, and the energy generated by the impact is gradually converted into the awakening deformation to be absorbed, so that the impact and the vibration amplitude generated by the collision of trains can be effectively reduced, and the safety and the comfort of passengers during traveling are improved. In this embodiment, the induced deformation plates 23 may be disposed in a plurality, and the plurality of induced deformation plates 23 are disposed in parallel at equal intervals. The energy-absorbing effect of the anti-climbing frame can be further improved, the stress of the energy-absorbing box body 2 is uniform when the energy-absorbing box body is pressed, the absorbed energy is uniform, and the phenomenon that the energy-absorbing box body 2 cannot absorb energy stably and orderly when deformed due to unstable structure is reduced.

Referring to fig. 1 and 3, an extrusion hole 232 is formed in the induced deformation plate 23, the extrusion hole 232 and the energy absorption pipe 221 are coaxially arranged, and the diameter of the extrusion hole 232 is smaller than the outer diameter of the energy absorption pipe 221. When the impact begins, the energy-absorbing pipe 221 slides towards the fixed seat 1 under the pushing of the anti-climbing seat 3, the extrusion hole 232 extrudes the energy-absorbing pipe 221 while the energy-absorbing pipe 221 slides, the diameter of the energy-absorbing pipe 221 is reduced, the sliding resistance of the energy-absorbing pipe 221 is increased, and the energy generated by the impact is absorbed.

Referring to fig. 1, the energy-absorbing box 2 is square-table-shaped, and the area of the side surface of the energy-absorbing box 2 close to the anti-climbing seat 3 is smaller than the area of the side surface close to the fixed seat 1. After energy-absorbing pipe 221 is all extrudeed, anti-climb seat 3 continues to move towards the mount pad, at this moment, anti-climb seat 3 and fixing base 1 extrude energy-absorbing box 2 and the inside structure of energy-absorbing box 2 together, set energy-absorbing box 2 into square platform form, when the train takes place the striking, energy-absorbing box 2 pressurized deformation, and collapse gradually towards energy-absorbing box 2 inside, with the energy-absorbing pipe 221 of guaranteeing energy-absorbing box 2 inside can warp in the at utmost, thereby absorb the energy that the striking produced in the at utmost, protect the inside passenger of train and staff. Through setting up the side area that the energy-absorbing box 2 is close to anti-creep seat 3 and being less than the side area that is close to fixing base 1, can make energy-absorbing box 2 when the energy-absorbing, begin the energy-absorbing from the one end that is close to anti-creep seat 3 earlier, progressively pass to the energy-absorbing of the one end of keeping away from anti-creep seat 3, carry out the energy-absorbing in an orderly manner when having guaranteed the collision and taking place, prevent that each energy-absorbing part warp the energy-absorbing simultaneously and cause anti-creep device unstability to become invalid.

The implementation principle of the energy-absorbing anti-climbing frame for the rail transit vehicle head is as follows: when the trains are collided, the anti-climbing teeth 31 of the two trains can be mutually occluded, so that the phenomenon that the trains are overlapped in a climbing mode under the action of collision force is reduced, and the safety of passengers in the carriage is protected. In addition, the anti-climbing frame also has the function of energy absorption. During collision, the cutting rod 224 is pushed by the anti-climbing seat 3 to gradually slide towards a fixed direction, during the sliding process of the cutting rod 224, the cutting seat 222 performs cutting energy absorption on the cutting rod 224, during the cutting process, when the cutting seat 222 slides in the cutting hole 2221, friction is generated to convert mechanical energy into internal energy for release, meanwhile, the energy absorption spring 225 is compressed, the energy absorption spring 225 performs compression energy absorption, and the energy absorption spring 225 converts the mechanical energy into elastic potential energy for storage, so that the buffering and shock absorption effects are achieved.

When the cutting rod 224 slides, the energy-absorbing tube 221 slides towards the fixed seat 1 under the pushing of the anti-climbing seat 3, and when the energy-absorbing tube 221 slides, the extrusion hole 232 extrudes the energy-absorbing tube 221, so that the diameter of the energy-absorbing tube 221 is reduced, the sliding resistance of the energy-absorbing tube 221 is increased, and the energy generated by impact is absorbed. After the energy-absorbing pipe 221 is completely extruded, the anti-climbing seat 3 continues to move towards the mounting seat, the energy-absorbing box body 2 is pressed to generate plastic deformation, the energy generated by impact is absorbed, and the impact force generated by the impact is reduced, so that the safety of drivers in the train cab is protected.

The energy-absorbing box body 2 is formed by bending two plates and then welding the two plates, the plates with different thicknesses can be selected according to the estimated collision energy, the thickness of the energy-absorbing box body 2 is adjusted, the flexibility of product adjustment is improved, and the applicability of the product is improved. In addition, only two plates are selected for welding, so that the number of welding seams can be reduced, the possibility of welding quality problems can be correspondingly reduced, the structural stability of the energy-absorbing box body 2 is improved, and the possibility of energy-absorbing instability and even failure of the energy-absorbing box body 2 during energy absorption is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a rail transit vehicle locomotive is with energy-absorbing anti-climbing frame, is including fixing base (1) that is fixed in the locomotive, its characterized in that: the energy absorption box body (2) is fixedly connected to the fixing seat (1), the energy absorption box body (2) is formed by fixedly welding two energy absorption pieces (21), the energy absorption pieces (21) are of sheet metal structures with bent sides, and the end portions of the bent portions of the two energy absorption pieces (21) are spliced and welded with each other.

2. The energy-absorbing anti-climbing frame for the rail transit vehicle head as claimed in claim 1, is characterized in that: the energy absorption box is characterized in that an energy absorption partition plate (22) is arranged on the energy absorption box body (2), an energy absorption pipe (221) is inserted into the energy absorption partition plate (22), and one end, far away from the energy absorption box body (2), of the energy absorption pipe (221) is fixedly connected with an anti-climbing seat (3).

3. The energy-absorbing anti-climbing frame for the rail transit vehicle head as claimed in claim 2, is characterized in that: one side that fixing base (1) was kept away from in anti-creep seat (3) is equipped with a plurality of anti-creep teeth (31), and is a plurality of anti-creep teeth (31) set up along vertical direction equidistance.

4. The energy-absorbing anti-climbing frame for the rail transit vehicle head as claimed in claim 2, is characterized in that: one side of the energy-absorbing partition plate (22) close to the fixed seat (1) is provided with a cutting seat (222), the cutting seat (222) is provided with a cutting hole (2221), the energy-absorbing partition plate (22) is provided with a mounting hole (223), the mounting hole (223) and the cutting hole (2221) are coaxially arranged, the energy-absorbing partition plate (22) is provided with a cutting rod (224) through the mounting hole (223), one end of the cutting rod (224) close to the fixed seat (1) is inserted into the cutting hole (2221), and the aperture of the cutting hole (2221) is smaller than that of the mounting hole (223).

5. The energy-absorbing anti-climbing frame for the rail transit vehicle head as claimed in claim 4, is characterized in that: the outer side cover of cutting pole (224) is equipped with energy-absorbing spring (225), one side butt that fixing base (1) was kept away from with energy-absorbing baffle (22) to the one end of energy-absorbing spring (225), the other end and anti-creep seat (3) are close to one side butt of fixing base (1).

6. The energy-absorbing anti-climbing frame for the rail transit vehicle head as claimed in claim 1, is characterized in that: be equipped with induced deformation board (23) on the inner wall of energy-absorbing box (2), be equipped with respectively on four limits of induced deformation board (23) and be used for inserting protruding (231) of energy-absorbing box (2), be equipped with around energy-absorbing box (2) with protruding (231) matched with spacing groove (24) that correspond separately.

7. The energy-absorbing anti-climbing frame for the rail transit vehicle head as claimed in claim 6, is characterized in that: be equipped with extrusion hole (232) on induced deformation board (23), extrusion hole (232) and energy-absorbing pipe (221) coaxial setting, the aperture in extrusion hole (232) is less than the external diameter of energy-absorbing pipe (221).

8. The energy-absorbing anti-climbing frame for the rail transit vehicle head as claimed in claim 7, is characterized in that: the energy-absorbing box body (2) is in a square platform shape, and the area of the side surface, close to the anti-climbing seat (3), of the energy-absorbing box body (2) is smaller than that of the side surface, close to the fixed seat (1).