CN203639762U - Sub-rail base plate - Google Patents
Sub-rail base plate Download PDFInfo
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- CN203639762U CN203639762U CN201320894463.8U CN201320894463U CN203639762U CN 203639762 U CN203639762 U CN 203639762U CN 201320894463 U CN201320894463 U CN 201320894463U CN 203639762 U CN203639762 U CN 203639762U
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 25
- 238000010521 absorption reaction Methods 0.000 abstract 8
- 241001669679 Eleotris Species 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model provides a sub-rail base plate and belongs to the technical field of railway parts. The sub-rail base plate solves the problem that an existing base plate is poor in fatigue resistance. The sub-rail base plate comprises a rectangular plate body, wherein the top surface and bottom surface of the plate body are respectively provided with multiple energy absorption column sets used for absorbing vibration energy, each energy absorption set comprises multiple rows of main energy absorption columns which protrude out of the surface of the plate body, and every two adjacent main energy absorption columns in each row of main energy absorption columns are connected through a first reinforcing rib. According to the sub-rail base plate, due to the fact that all the main energy absorption columns in each row of main energy absorption columns are connected through one reinforcing rib, the fatigue resistance of base plate is good and the structure is more stable; due to the fact that the oval long axis of each main energy absorption column is parallel to a rail, the base plate can be better adapted to train operation.
Description
Technical field
The utility model belongs to railway casting technical field, relates to a kind of backing plate, particularly a kind of railway backing plate of going down on one's knees.
Background technology
Train is one of main traffic instrument of the mankind, and the feature of its high-speed low accident rate is also by numerous passengers are favored.Rail is the requisite infrastructure of train running, and its quality directly has influence on speed and the safety of train.For making train more steady in the process of moving, guarantee the comfort of passenger in the time of used during taking train, generally below rail, can be provided with backing plate realizes damping effect.
For example, Chinese utility model patent (application number: 200920100124.1; Notice of authorization number: CN201459537U) a kind of railway elastic base plate is disclosed, railway elastic base plate is plane backing plate, on the bearing surface of plane backing plate, is provided with projection, projection is uniformly distributed.It is cylindrical bump, block-shaped protrusion, strip projected parts form of structure that original slate structure is redesigned into bearing surface by this backing plate, boss is uniformly distributed, reduce the quiet rigidity of backing plate, both solve the flatness problem of backing plate, also guaranteed the problem on deformation of product, like this, both reduced the contact area of backing plate, can make again load be uniformly distributed, reduce quiet rigidity, also save raw material.
But in this backing plate, separate being distributed on backing plate of each projection, each projection is stressed separately, after long-time use, easily occurs the problem of fracture between projection, and its structure is more unstable, and fatigue performance is good not.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed the comparatively firmly railway backing plate of going down on one's knees of a kind of structure.
The purpose of this utility model can realize by following technical proposal:
A kind of rail lower bolster, comprise the plate body being rectangle, the end face of described plate body and bottom surface have respectively some energy-absorbing post groups for absorbing vibrational energy, in described energy-absorbing post group, include the main energy-absorbing post of some rows, described main energy-absorbing post protrudes from plate body surface, it is characterized in that, in the main energy-absorbing post of every row, between adjacent two main energy-absorbing posts, be connected by reinforcing rib one.
In use, this backing plate is placed between sleeper and rail.When train is through out-of-date, each main energy-absorbing post has been subject to the pressure from train.Due in this backing plate, in the main energy-absorbing post of every row, between adjacent two main energy-absorbing posts, be connected by reinforcing rib one, therefore, main energy-absorbing post in every row all links together, be evenly distributed on each main energy-absorbing post from the pressure of train, main energy-absorbing post collective is stressed, easy fracture not each other, and its fatigue durability is better.
When mounted, long limit and the rail of plate body be arranged in parallel, and rail tie plate is between sleeper and rail.In the time of train process backing plate top, the vibration that train operation produces is adsorbed by backing plate, thereby makes train operation comparatively stable.
In above-mentioned rail lower bolster, described main energy-absorbing post is frustum.The main energy-absorbing post of frustum is in the area difference of the cross section of differing heights, that is to say, on main energy-absorbing post the closer to larger in the section area at plate body place, make main energy-absorbing post just larger to the required power of the main energy-absorbing post of lower compression again at this height and position, to travel through train play a good buffering effect.Contact area between bottom and the plate body of this shape is larger, and connection is between the two comparatively firm, and meanwhile, the area at its top is less, has reduced quiet rigidity.As another kind of scheme, being shaped as of main energy-absorbing post is cylindrical.
In above-mentioned rail lower bolster, the upper surface ovalize of described main energy-absorbing post and oval-shaped major axis are parallel with the long limit of plate body.While using this backing plate, the long side direction of plate body and parallel track.In train driving process, the stressed change direction of main energy-absorbing post is along long axis direction, and therefore, the oval-shaped long axis direction of main energy-absorbing post is parallel with rail, can make backing plate more adapt to train operation.
In above-mentioned rail lower bolster, in same energy-absorbing post group, between the main energy-absorbing post of adjacent two row, also there is the secondary energy-absorbing post of a row, described secondary energy-absorbing post protrudes from plate body surface, and the height of secondary energy-absorbing post is lower than main energy-absorbing post.When backing plate is subject to the pressure from train, when backing plate is compressed into main energy-absorbing post and secondary energy-absorbing post height, backing plate produces respectively two different quiet rigidity.Make plate backing plate meet the operation of the train of Different Weight, its compliance is better.
In above-mentioned rail lower bolster, described secondary energy-absorbing post is frustum.The secondary energy-absorbing post of frustum is in the area difference of the cross section of differing heights, that is to say, on secondary energy-absorbing post the closer to larger in the section area at plate body place, make secondary energy-absorbing post just larger to the required power of the secondary energy-absorbing post of lower compression again at this height and position, to travel through train play a good buffering effect.Contact area between bottom and the plate body of this shape is larger, and connection is between the two comparatively firm, and meanwhile, the area at its top is less, has reduced quiet rigidity.As another kind of scheme, being shaped as of secondary energy-absorbing post is cylindrical.
In above-mentioned rail lower bolster, the end face of described plate body and the edge of bottom surface circumferentially have the gear edge of protrusion, and the height on described gear edge is identical with the height of main energy-absorbing post.Gear, along together bearing the gravity from train with energy-absorbing post, plays cushioning effect to train.
In above-mentioned rail lower bolster, on described gear edge, offer some drain holes.Rail tie plate in use, is understood unavoidably the foreign material such as rain and is entered in backing plate, offers drain hole thereon, makes the foreign material such as rainwater for convenience of discharging, keep the clean of backing plate from backing plate, extends the application life of backing plate.Meanwhile, on gear edge, offer drain hole, also can reduce gear and concentrate along one stress, make the structure of backing plate more stable.Be provided with drain hole, train is through out-of-date, and compressed air also can be discharged faster from drain hole.
In above-mentioned rail lower bolster, two broadside places of the soffit of described plate body have the footing that protrudes from plate body bottom surface and be strip.After installation, two footing lay respectively at sleeper both sides, and backing plate has been played to positioning action.
In above-mentioned rail lower bolster, in described footing, there are some blind holes.Blind hole is set in footing, has saved on the one hand raw material; On the other hand, because footing is hollow structure, also reduced the noise that train produces through out-of-date backing plate.
In above-mentioned rail lower bolster, the energy-absorbing post group of the energy-absorbing post group of described plate body end face and plate body bottom surface is staggered.
In above-mentioned rail lower bolster, on described plate body end face and plate body bottom surface, between adjacent two energy-absorbing post groups, there is reinforcing rib two, described reinforcing rib two protrudes from plate body surface, and the height of described reinforcing rib two is identical with the height of secondary energy-absorbing post.Reinforcing rib two together bears the gravity from train with secondary energy-absorbing post, and train is played to cushioning effect.
Compared with prior art, this rail lower bolster has the following advantages:
1, each all main energy-absorbing post of arranging in main energy-absorbing post is connected by a reinforcing rib, makes the fatigue durability of backing plate better, and structure is more stable;
2, the oval-shaped long axis direction of main energy-absorbing post is parallel with rail, can make backing plate more adapt to train operation.
Accompanying drawing explanation
Fig. 1 is the positive perspective view of this rail tie plate;
Fig. 2 is the back side perspective view of this rail tie plate;
Fig. 3 is the elevation of this rail tie plate;
Fig. 4 is the sectional view of A-A face in Fig. 3;
Fig. 5 is the sectional view of B-B face in Fig. 3.
In figure, 1, plate body; 2, energy-absorbing post group; 3, main energy-absorbing post; 4, reinforcing rib one; 5, secondary energy-absorbing post; 6, gear edge; 61, drain hole; 7, footing; 71, blind hole; 8, reinforcing rib two.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figures 1 to 5, this rail lower bolster, comprises the plate body 1 being rectangle.The end face of plate body 1 has four energy-absorbing post groups 2 for absorbing vibrational energy, and the bottom surface of plate body 1 has three energy-absorbing post groups 2.The energy-absorbing post group 2 of plate body 1 end face is staggered with the energy-absorbing post group 2 of plate body 1 bottom surface.Energy-absorbing post group 2 be rectangle and its long limit parallel with the broadside of plate body 1.
On plate body 1 end face and plate body 1 bottom surface, between adjacent two energy-absorbing post groups 2, have reinforcing rib 28, reinforcing rib 28 protrudes from plate body 1 surface, and the height of reinforcing rib 28 is identical with the height of secondary energy-absorbing post 5.Reinforcing rib 28 together bears the gravity from train with secondary energy-absorbing post 5, and train is played to cushioning effect.
Energy-absorbing post group 2 in the middle of plate body 1 bottom surface, other energy-absorbing post group 2 forms by the main energy-absorbing post 3 of two rows and the secondary energy-absorbing post 5 of a row.That is to say, in same energy-absorbing post group 2, the secondary energy-absorbing post 5 of a row is between the main energy-absorbing post 3 of two rows.Main energy-absorbing post 3 and secondary energy-absorbing post 5 all protrude from plate body 1 surface.These rows' main energy-absorbing post 3 is all parallel with the broadside of plate body 1 with secondary energy-absorbing post 5.
As shown in Figure 2, being positioned at the middle energy-absorbing post group 2 in plate body 1 bottom surface is made up of the main energy-absorbing post 3 of three rows and the secondary energy-absorbing post 5 of two rows.This three main energy-absorbing post 3 of row and the alternate setting of the two secondary energy-absorbing posts 5 of row.
The main energy-absorbing post 3 of every row is made up of six main energy-absorbing posts 3, and the secondary energy-absorbing post 5 of every row is made up of five secondary energy-absorbing posts 5.The setting that is staggered of main energy-absorbing post 3 and secondary energy-absorbing post 5.
Main energy-absorbing post 3 and secondary energy-absorbing post 5 are all frustum.The main energy-absorbing post 3 of frustum is different at the area of the cross section of differing heights with secondary energy-absorbing post 5, that is to say, on main energy-absorbing post 3 and secondary energy-absorbing post 5 the closer to larger in the section area at plate body 1 place, make main energy-absorbing post 3 and secondary energy-absorbing post 5 just larger to the required power of lower compression again at this height and position, to travel through train play a good buffering effect.Contact area between the bottom of this shape and plate body 1 is larger, and connection is between the two comparatively firm, and meanwhile, the area at its top is less, has reduced quiet rigidity.As another kind of scheme, being shaped as of main energy-absorbing post and secondary energy-absorbing post is cylindrical.
The upper surface ovalize of main energy-absorbing post 3 and oval-shaped major axis are parallel with the long limit of plate body 1.While using this backing plate, the long side direction of plate body 1 and parallel track.In train driving process, the stressed change direction of main energy-absorbing post 3 is along long axis direction, and therefore, the oval-shaped long axis direction of main energy-absorbing post 3 is parallel with rail, can make backing plate more adapt to train operation.
Between interior adjacent two the main energy-absorbing posts 3 of the main energy-absorbing post 3 of every row, be connected by reinforcing rib 1.Reinforcing rib 1 also protrudes from plate body 1 surface.Secondary energy-absorbing post 5 is on adjacent two rows' main energy-absorbing posts 3 one to one between reinforcing rib 1.
In use, this backing plate is placed between sleeper and rail.When train is through out-of-date, each main energy-absorbing post 3 and secondary energy-absorbing post 5 have been subject to the pressure from train.Due in this backing plate, in the main energy-absorbing post 3 of every row, between adjacent two main energy-absorbing posts 3, be connected by reinforcing rib 1, therefore, main energy-absorbing post 3 in every row all links together, be evenly distributed on each main energy-absorbing post 3 from the pressure of train, main energy-absorbing post 3 collectives are stressed, easy fracture not each other, and its fatigue durability is better.
When mounted, long limit and the rail of plate body 1 be arranged in parallel, and rail tie plate is between sleeper and rail.In the time of train process backing plate top, the vibration that train operation produces is adsorbed by backing plate, thereby makes train operation comparatively stable.
The height of secondary energy-absorbing post 5 is lower than main energy-absorbing post 3.When backing plate is subject to the pressure from train, when backing plate is compressed into main energy-absorbing post 3 and secondary energy-absorbing post 5 height, backing plate produces respectively two different quiet rigidity.Make plate backing plate meet the operation of the train of Different Weight, its compliance is better.
The gear that the end face of plate body 1 and the edge of bottom surface circumferentially have protrusion, along 6, keeps off identical with the height of main energy-absorbing post 3 along 6 height.Gear together bears the gravity from train along 6 with main energy-absorbing post 3, and train is played to cushioning effect.
Gear is along offering some drain holes 61 on 6.Rail tie plate in use, is understood unavoidably the foreign material such as rain and is entered in backing plate, offers drain hole 61 thereon, makes the foreign material such as rainwater for convenience of discharging, keep the clean of backing plate from backing plate, extends the application life of backing plate.Meanwhile, on keeping off along 6, offer drain hole 61, also can reduce gear and concentrate along 6 one stress, make the structure of backing plate more stable.Be provided with drain hole 61, train is through out-of-date, and compressed air also can be discharged faster from drain hole 61.
Two broadside places of the soffit of plate body 1 have the footing 7 that protrudes from plate body 1 bottom surface and be strip.In footing 7, there are some blind holes 71.After installation, two footing 7 lay respectively at sleeper both sides, and backing plate has been played to positioning action.In the interior blind hole 71 that arranges of footing 7, raw material are saved on the one hand; On the other hand, because footing 7 is hollow structure, also reduced the noise that train produces through out-of-date backing plate.
Because better, the quiet rigidity of the fatigue performance of backing plate is lower, when train from track through out-of-date, reduced the damage of backing plate to sleeper and rail, extended the application life of sleeper and rail, improved the ability to bear of rail.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used herein plate body 1, energy-absorbing post group 2, main energy-absorbing post 3, reinforcing rib 1, secondary energy-absorbing post 5, gear along 6, the term such as drain hole 61, footing 7, blind hole 71, reinforcing rib 28, do not get rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (10)
1. a rail lower bolster, comprise the plate body (1) being rectangle, the end face of described plate body (1) and bottom surface have respectively some energy-absorbing post groups (2) for absorbing vibrational energy, in described energy-absorbing post group (2), include the main energy-absorbing posts of some rows (3), described main energy-absorbing post (3) protrudes from plate body (1) surface, it is characterized in that, in the main energy-absorbing post of every row (3), between adjacent two main energy-absorbing posts (3), be connected by reinforcing rib one (4).
2. rail lower bolster according to claim 1, is characterized in that, described main energy-absorbing post (3) is frustum.
3. rail lower bolster according to claim 1 and 2, is characterized in that, upper surface ovalize and the oval-shaped major axis of described main energy-absorbing post (3) are parallel with the long limit of plate body (1).
4. rail lower bolster according to claim 1 and 2, it is characterized in that, in same energy-absorbing post group (2), between the adjacent two main energy-absorbing posts of row (3), also there is the secondary energy-absorbing post of a row (5), described secondary energy-absorbing post (5) protrudes from plate body (1) surface, and the height of secondary energy-absorbing post (5) is lower than main energy-absorbing post (3).
5. rail lower bolster according to claim 4, is characterized in that, described secondary energy-absorbing post (5) is frustum.
6. rail lower bolster according to claim 1 and 2, it is characterized in that, the described end face of plate body (1) and the edge of bottom surface circumferentially have the gear of protrusion along (6), and described gear is identical with the height of main energy-absorbing post (3) along the height of (6).
7. rail lower bolster according to claim 6, is characterized in that, described gear is along offering some drain holes (61) on (6).
8. rail lower bolster according to claim 1 and 2, is characterized in that, two broadside places of the soffit of described plate body (1) have the footing (7) that protrudes from plate body (1) bottom surface and be strip.
9. rail lower bolster according to claim 1 and 2, is characterized in that, the energy-absorbing post group (2) of described plate body (1) end face is staggered with the energy-absorbing post group (2) of plate body (1) bottom surface.
10. rail lower bolster according to claim 4, it is characterized in that, on described plate body (1) end face and plate body (1) bottom surface, between adjacent two energy-absorbing post groups (2), there is reinforcing rib two (8), described reinforcing rib two (8) protrudes from plate body (1) surface, and the height of described reinforcing rib two (8) is identical with the height of secondary energy-absorbing post (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320894463.8U CN203639762U (en) | 2013-12-31 | 2013-12-31 | Sub-rail base plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320894463.8U CN203639762U (en) | 2013-12-31 | 2013-12-31 | Sub-rail base plate |
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| Publication Number | Publication Date |
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| CN203639762U true CN203639762U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320894463.8U Expired - Lifetime CN203639762U (en) | 2013-12-31 | 2013-12-31 | Sub-rail base plate |
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| CN (1) | CN203639762U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638173A (en) * | 2016-11-29 | 2017-05-10 | 株洲时代新材料科技股份有限公司 | Three-level buffering heavy-load elastic backing plate and three-level buffering vibration-damping method |
| CN106758567A (en) * | 2016-12-16 | 2017-05-31 | 京投科技（北京）有限公司 | A kind of elastic vibration isolation pad of steel rail vibration reduction fastener |
| CN108914721A (en) * | 2018-07-05 | 2018-11-30 | 江苏金洋机械有限公司 | A kind of underground railway track backing plate |
| CN108914720A (en) * | 2018-07-05 | 2018-11-30 | 江苏金洋机械有限公司 | A kind of iron chair lower bolster and its manufacturing method |
| CN111764202A (en) * | 2020-07-08 | 2020-10-13 | 青岛大学 | Novel rail lower backing plate |
| CN113897819A (en) * | 2021-10-19 | 2022-01-07 | 中国铁建重工集团股份有限公司道岔分公司 | Steel rail adhesive joint insulating joint |
-
2013
- 2013-12-31 CN CN201320894463.8U patent/CN203639762U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638173A (en) * | 2016-11-29 | 2017-05-10 | 株洲时代新材料科技股份有限公司 | Three-level buffering heavy-load elastic backing plate and three-level buffering vibration-damping method |
| CN106638173B (en) * | 2016-11-29 | 2018-10-30 | 株洲时代新材料科技股份有限公司 | A kind of heavily loaded resilient sleeper-bearing of three-level buffering and three-level buffer shock-absorbing method |
| CN106758567A (en) * | 2016-12-16 | 2017-05-31 | 京投科技（北京）有限公司 | A kind of elastic vibration isolation pad of steel rail vibration reduction fastener |
| CN106758567B (en) * | 2016-12-16 | 2018-07-10 | 京投科技（北京）有限公司 | A kind of elastic vibration isolation pad of steel rail vibration reduction fastener |
| CN108914721A (en) * | 2018-07-05 | 2018-11-30 | 江苏金洋机械有限公司 | A kind of underground railway track backing plate |
| CN108914720A (en) * | 2018-07-05 | 2018-11-30 | 江苏金洋机械有限公司 | A kind of iron chair lower bolster and its manufacturing method |
| CN111764202A (en) * | 2020-07-08 | 2020-10-13 | 青岛大学 | Novel rail lower backing plate |
| CN113897819A (en) * | 2021-10-19 | 2022-01-07 | 中国铁建重工集团股份有限公司道岔分公司 | Steel rail adhesive joint insulating joint |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20140611 |
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