CN105000029A - Metal tube-honeycomb core combined type anti-creeper with built-in honeycomb core - Google Patents
Metal tube-honeycomb core combined type anti-creeper with built-in honeycomb core Download PDFInfo
- Publication number
- CN105000029A CN105000029A CN201510470125.5A CN201510470125A CN105000029A CN 105000029 A CN105000029 A CN 105000029A CN 201510470125 A CN201510470125 A CN 201510470125A CN 105000029 A CN105000029 A CN 105000029A
- Authority
- CN
- China
- Prior art keywords
- honeycomb core
- creeper
- metal tube
- built
- combined type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 210000003660 Reticulum Anatomy 0.000 title claims abstract description 83
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 75
- 239000002184 metal Substances 0.000 title claims abstract description 75
- 239000000463 material Substances 0.000 claims description 10
- 239000011888 foil Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000011358 absorbing material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 238000005336 cracking Methods 0.000 abstract description 4
- 239000000306 component Substances 0.000 abstract 1
- 239000008358 core component Substances 0.000 abstract 1
- 230000002035 prolonged Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000002493 climbing Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 210000001138 Tears Anatomy 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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[Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 101710006734 botF Proteins 0.000 description 1
- 230000003139 buffering Effects 0.000 description 1
- 230000001413 cellular Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
- B61F19/04—Bumpers or like collision guards
Abstract
The invention discloses a metal tube-honeycomb core combined type anti-creeper with a built-in honeycomb core. A metal tube component and a honeycomb core component are distributed at the same time. On the premise that the energy absorption capacity of the anti-creeper is not reduced, the energy absorbing amount needing to be borne by all energy absorbing structures is reasonably distributed, so that the reducing amount of a metal tube is effectively reduced, the occurrence rate of buckling, cracking and the like caused by the oversize reducing amount of the metal tube is reduced, the defect that the single honeycomb core structure is poor in lateral load bearing capacity is overcome, the reliability of the device is improved, the service life of the device is prolonged, it is guaranteed that the device can effectively complete the energy absorbing task, and the life and property safety of passengers is protected.
Description
Technical field
The present invention relates to technical field of rail traffic, the metal tube that in particular a kind of honeycomb core is built-in-honeycomb core combined type anti-creeper.
Background technology
Along with developing rapidly of track traffic, train running speed is more and more faster, the operation speed per hour of present high speed train is more than 300 km/h, high speed train is once the collision case such as to knock into the back will bring a large amount of personal casualty and property damage, while raising ACTIVE CONTROL reliability, passive security protection also more and more comes into one's own.Anti-creeper is that widespread use in field of track traffic a kind of has both and prevent from train from riding climbing the mechanical device with buffering energy-absorbing function, usually be made up of anti-creep structure and endergonic structure two parts, traditional anti-creeper uses as honeycomb core compression or metal tube reducing type anti-creeper are generally single form, once there is honeycomb core cracking, to topple or the fault such as metal tube flexing easily causes anti-creeper thoroughly to lose efficacy, thus losing the situation of energy-absorbing protective capacities, reliability cannot ensure.
The anti-creeper of single metal tube reducing type anti-creeper has following shortcoming: 1, reducing amount is large, reducing difficulty, in order to fully absorb the huge energy in train knockout process, metal pipe type anti-creeper requires harsh to version and manufactured materials, when metal tube material and radial dimension (comprise caliber and wall thickness, usually determined by installing space) timing, metal tube reducing type anti-creeper wants to improve energy absorption ability, usually only have and increase length and increase reducing amount two kinds of methods, and the length dimension of anti-creeper is subject to the restriction that train body two ends can utilize space usually, thus can only select to increase reducing amount, the such as existing metal tube reducing type anti-creeper used ON TRAINS, when metal tube is of a size of Φ 170 × 10(external diameter × wall thickness) time, reducing amount needs to reach more than 5mm could meet energy-absorbing requirement, huge reducing power often causes breaking of metal tube or flange, reducing is caused to be difficult to carry out, 2, because Conversion of Energy form is single, the kurtosis of initial energy-absorbing stage impact load is large, and steady energy-absorbing stage load fluctuation is large, and protected device vibration is large.
Single honeycomb core type anti-creeper has following shortcoming: 1, anti-bending strength is poor; In order to alleviate anti-creeper quality, the thin-walled foil closed assembly that honeycomb core self is often below 0.2mm for thickness forms, inside has a large amount of vestibule, side direction load-carrying capacity will much smaller than axis, under the lateral forces of clashing into initial time easily because of occur overflexing, fracture or topple and lost efficacy, the cell type anti-creeper of such as certain specification, under the lateral loading effect of 10KN, the cellular material in anti-creeper will tear phenomenon.2, the kurtosis of energy-absorbing starting stage impact load is large, and steady energy-absorbing stage load fluctuation is large.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art; the metal tube that the object of the present invention is to provide a kind of honeycomb core built-in-honeycomb core combined type anti-creeper; solve the reducing difficulty of single metal tube reducing type anti-creeper in prior art; the resistance to bending of single honeycomb core type anti-creeper is poor and kurtosis both because of initial energy-absorbing stage impact load is large; steady energy-absorbing stage load fluctuation is large, causes protected device to vibrate large defect.
Technical scheme of the present invention is as follows:
Metal tube-honeycomb core combined type anti-creeper that honeycomb core is built-in, wherein, comprising:
For absorbing the honeycomb core parts of collision energy;
For holding the headstock undercarriage frame structure of described honeycomb core parts;
That be connected with described honeycomb core parts, that there is reducing end metal duct components;
To be fixedly installed in described headstock undercarriage frame structure and to be set on described metal duct components, suitable with the reducing end of described metal duct components flange components.
Metal tube-honeycomb core combined type anti-creeper that described honeycomb core is built-in, wherein, described honeycomb core parts comprise:
Be provided with the logical beam of the inner space for holding honeycomb core;
Be arranged on one end of described logical beam, for the collision energy of described metal duct components being passed to the force transmitting board of honeycomb core.
Metal tube-honeycomb core combined type anti-creeper that described honeycomb core is built-in, wherein, described logical beam comprises a U-type groove, and is fixedly installed on the open-topped upper cover of described U-type groove by screw.
Metal tube-honeycomb core combined type anti-creeper that described honeycomb core is built-in, wherein, described honeycomb core is energy-absorbing module that have the topological structure of regularly arranged polygonal hole lattice, that be made up of energy-absorbing material.
Metal tube-honeycomb core combined type anti-creeper that described honeycomb core is built-in, wherein, described metal duct components comprises:
Anti-climbing tooth;
The sleeve pipe that one end is outer radius variable, the other end is connected with described anti-climbing tooth.
Metal tube-honeycomb core combined type anti-creeper that described honeycomb core is built-in, wherein, described headstock undercarriage frame structure comprises just to the front end panel arranged and rear bearing sheet, and described front end panel is identical with the length of the spacing between rear bearing sheet and described honeycomb core parts.
Metal tube-honeycomb core combined type anti-creeper that described honeycomb core is built-in, wherein, described flange components comprises the flange components body being provided with bolt hole, and to be arranged on described flange components body and can be set in the reducing features of the reducing end of described metal duct components.
Metal tube-honeycomb core combined type anti-creeper that described honeycomb core is built-in, wherein, described flange components body is fixedly installed on described front end panel by high strength bolt.
Metal tube-honeycomb core combined type anti-creeper that described honeycomb core is built-in, wherein, the material of described sleeve pipe is 20# steel.
Metal tube-honeycomb core combined type anti-creeper that described honeycomb core is built-in, wherein, the material of described honeycomb core is foil.
Metal tube-honeycomb core combined type anti-creeper that honeycomb core provided by the present invention is built-in, by arranging metal duct components and honeycomb core parts simultaneously, under the prerequisite not reducing anti-creeper energy absorption ability, by the energy absorption born needed for each endergonic structure of reasonable distribution, the reducing amount of effective reduction metal tube, reduce the flexing that metal tube causes because reducing amount is excessive, the phenomenon odds such as cracking, overcome the shortcoming that single honeycomb core structures is difficult to bear lateral loading, improve equipment dependability and service life, guarantee that equipment can complete the task of energy-absorbing, the safety of life and property of protection passenger.
Accompanying drawing explanation
Fig. 1 is the structural representation of metal tube-honeycomb core combined type anti-creeper that in the present invention, honeycomb core is built-in.
Fig. 2 is the exploded perspective view of metal tube-honeycomb core combined type anti-creeper that in the present invention, honeycomb core is built-in.
Fig. 3 a is the axial view of honeycomb core parts in the present invention.
Fig. 3 b is the structural representation of logical beam in the present invention.
Fig. 3 c is the structural representation of honeycomb core in the present invention.
Fig. 4 is the structural representation of metal duct components in the present invention.
Fig. 5 is the structural representation of flange components in the present invention.
Fig. 6 is the overall structure assembling section of metal tube-honeycomb core combined type anti-creeper that in the present invention, honeycomb core is built-in.
Detailed description of the invention
The invention provides the built-in metal tube of a kind of honeycomb core-honeycomb core combined type anti-creeper, for making object of the present invention, technical scheme and effect clearly, clearly, referring to accompanying drawing examples, the present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to shown in Fig. 1, metal tube-honeycomb core combined type anti-creeper that honeycomb core provided by the invention is built-in, comprising:
For absorbing the honeycomb core parts 100 of collision energy;
For holding the headstock undercarriage frame structure 200 of described honeycomb core parts 100;
That be connected with described honeycomb core parts 100, that there is reducing end metal duct components 300;
To be fixedly installed in described headstock undercarriage frame structure 200 and to be set on described metal duct components 300, suitable with the reducing end of described metal duct components 300 flange components 400.
Please refer to Fig. 1, Fig. 2 and Fig. 3 a-Fig. 3 c, described honeycomb core parts 100 comprise the logical beam 120 of the inner space be provided with for holding honeycomb core 110; Be arranged on one end of described logical beam 120, for the collision energy of described metal duct components 300 being passed to the force transmitting board 130 of honeycomb core 110.During concrete enforcement, as Fig. 3 a-3c, described logical beam 120 comprises a U-type groove 121, and is fixedly installed on the open-topped upper cover 123 of described U-type groove 121 by screw 122; Described honeycomb core 110 for there is the topological structure of regularly arranged polygonal hole lattice, the energy-absorbing module that is made up of energy-absorbing material.The foil closed assembly that described honeycomb core 110 is less than 0.2mm by thickness forms, and basis material is aluminium 5052, stainless steel 304 etc.
When colliding, metal duct components 300 retreats, compress honeycomb core 110 by force transmitting board 130 to move backward, because logical beam 120 is arranged and spacing in headstock undercarriage frame structure 200, therefore impact force will pass to the front and back stay bearing plate of headstock underframe simultaneously by logical beam 120, honeycomb core 110 is compressed, and impact energy is converted into the plastoelastic deformation energy of honeycomb core 110, ensure that overall rigidity and stability.Logical beam 120 can reuse, after the situation of colliding, when honeycomb core 110 conquassation distortion needs to change, only the upper cover 123 of logical beam 120 need be opened, take out the honeycomb core 110 of conquassation, then fill new honeycomb core 110, covering upper cover 123 can completion system reparation.
Refer to Fig. 4, described metal duct components 300 comprises anti-climbing tooth 310, the sleeve pipe 320 that one end is outer radius variable, the other end is connected with described anti-climbing tooth.During concrete enforcement, the material of described sleeve pipe 320 is 20# steel.Anti-climbing tooth 310 and sleeve pipe 320 realize being connected by modes such as full weld welding, during work, the two anti-climbing teeth saved on the anti-creeper of installation separately on compartment are engaged, avoid occurring riding during train colliding climbing phenomenon, guarantee that energy absorption device can play a role on lateral impact direction, the reliability of bont.
Refer to Fig. 2, described headstock undercarriage frame structure 200 comprises just to the front end panel 210 arranged and rear bearing sheet 220, and described front end panel 210 is identical with the length of the spacing between rear bearing sheet 220 and described honeycomb core parts 100.
Please refer to Fig. 5 and Fig. 6, described flange components 400 comprises the flange components body 410 being provided with bolt hole 411, and to be arranged on described flange components body 410 and can be set in the reducing features 420 of the reducing end of described metal duct components 300.Described flange components body 410 is fixedly installed on described front end panel 210 by high strength bolt.Diameter of bore and the sleeve outer of reducing features 420 are inconsistent, and when sleeve pipe 320 moves across this place under additional impact force action, external diameter change, plastoelastic deformation occurs, impact energy is converted into elastoplasticity sex change energy and the heat energy of sleeve pipe 320.
Visible, the invention provides a kind of honeycomb core and be built in metal tube-honeycomb core combined type anti-climbing energy-absorbing device before and after headstock underframe between stay bearing plate, when train collides, the anti-climbing tooth 310 that two trains are installed separately is engaged, first the metal duct components 300 be positioned at outside headstock undercarriage frame structure 200 works, energy is absorbed by the reducing plastoelastic deformation of sleeve pipe 320, simultaneously, under the effect of impact in the horizontal direction, sleeve pipe 320 will be drawn back, by the effect of force transmitting board 130, the honeycomb core 110 endergonic structure compression of logical beam 120 in headstock undercarriage frame structure 200 will be placed in, there is plastoelastic deformation and absorb energy in honeycomb core 110.Two kinds of energy-absorbing mode cooperatings, reduce the load that respective needs are born separately, decrease the reducing amount of sleeve pipe 320, reducing is more easily carried out, avoid sleeve pipe 320 to occur flexing phenomenon; Honeycomb core 110 is without the need to bearing lateral loading simultaneously, avoids form destructions such as fractureing.
In sum, metal tube-honeycomb core combined type anti-creeper that honeycomb core provided by the present invention is built-in, by arranging metal duct components and honeycomb core parts simultaneously, under the prerequisite not reducing anti-creeper energy absorption ability, by the energy absorption born needed for each endergonic structure of reasonable distribution, the reducing amount of effective reduction metal tube, reduce the flexing that metal tube causes because reducing amount is excessive, the phenomenon odds such as cracking, overcome the shortcoming that single honeycomb core structures is difficult to bear lateral loading, improve equipment dependability and service life, guarantee that equipment can complete the task of energy-absorbing, the safety of life and property of protection passenger.
Should be understood that; application of the present invention is not limited to above-mentioned citing; for those of ordinary skills; can be improved according to the above description or be converted; such as; change honeycomb core or the material of metal tube, the reducing form of metal tube is changed to expanding, that headstock underframe is mated in change institute pattern by undergauge, the bolt connecting mode of flange is changed to welding etc., and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. the metal tube that honeycomb core is built-in-honeycomb core combined type anti-creeper, is characterized in that, comprising:
For absorbing the honeycomb core parts of collision energy;
For holding the headstock undercarriage frame structure of described honeycomb core parts;
That be connected with described honeycomb core parts, that there is reducing end metal duct components;
To be fixedly installed in described headstock undercarriage frame structure and to be set on described metal duct components, suitable with the reducing end of described metal duct components flange components.
2. metal tube-honeycomb core combined type anti-creeper that honeycomb core is built-in according to claim 1, it is characterized in that, described honeycomb core parts comprise:
Be provided with the logical beam of the inner space for holding honeycomb core;
Be arranged on one end of described logical beam, for the collision energy of described metal duct components being passed to the force transmitting board of honeycomb core.
3. metal tube-honeycomb core combined type anti-creeper that honeycomb core is built-in according to claim 2, it is characterized in that, described logical beam comprises a U-type groove, and is fixedly installed on the open-topped upper cover of described U-type groove by screw.
4. metal tube-honeycomb core combined type anti-creeper that honeycomb core is built-in according to claim 2, is characterized in that, described honeycomb core is energy-absorbing module that have the topological structure of regularly arranged polygonal hole lattice, that be made up of energy-absorbing material.
5. metal tube-honeycomb core combined type anti-creeper that honeycomb core is built-in according to claim 1, it is characterized in that, described metal duct components comprises:
Anti-climbing tooth;
The sleeve pipe that one end is outer radius variable, the other end is connected with described anti-climbing tooth.
6. metal tube-honeycomb core combined type anti-creeper that honeycomb core is built-in according to claim 1, it is characterized in that, described headstock undercarriage frame structure comprises just to the front end panel arranged and rear bearing sheet, and described front end panel is identical with the length of the spacing between rear bearing sheet and described honeycomb core parts.
7. metal tube-honeycomb core combined type anti-creeper that honeycomb core is built-in according to claim 6, it is characterized in that, described flange components comprises the flange components body being provided with bolt hole, and to be arranged on described flange components body and can be set in the reducing features of the reducing end of described metal duct components.
8. metal tube-honeycomb core combined type anti-creeper that honeycomb core is built-in according to claim 7, it is characterized in that, described flange components body is fixedly installed on described front end panel by high strength bolt.
9. metal tube-honeycomb core combined type anti-creeper that honeycomb core is built-in according to claim 5, is characterized in that, the material of described sleeve pipe is 20# steel.
10. metal tube-honeycomb core combined type anti-creeper that honeycomb core is built-in according to claim 4, is characterized in that, the basis material of described honeycomb core is foil.
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| CN201510470125.5A CN105000029B (en) | 2015-08-04 | 2015-08-04 | A kind of metal tube honeycomb core combined type anticreeper built in honeycomb core |
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| CN201510470125.5A CN105000029B (en) | 2015-08-04 | 2015-08-04 | A kind of metal tube honeycomb core combined type anticreeper built in honeycomb core |
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