CN208733400U - A kind of silencing steel rail of self-locking trough of belt extension layer - Google Patents
A kind of silencing steel rail of self-locking trough of belt extension layer Download PDFInfo
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- CN208733400U CN208733400U CN201821340278.3U CN201821340278U CN208733400U CN 208733400 U CN208733400 U CN 208733400U CN 201821340278 U CN201821340278 U CN 201821340278U CN 208733400 U CN208733400 U CN 208733400U
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Abstract
The utility model discloses a kind of silencing steel rails of self-locking trough of belt extension layer, including rail, it is fitted in the extension layer of the web of the rail two sides of rail, the restraint layer being connect with extension layer, it is contacted with restraint layer outer ledge, and for restraint layer and extension layer to be squeezed the spring clip being fitted on the web of the rail of rail, the damping layer being fitted between extension layer and restraint layer, bottom is set in the bottom of rail, it is connect at the top of inside edge with the outer ledge bottom of extension layer, and it is in U-shape the rail bed course of shape along rail radial direction, and it is laid between rail bed course and spring clip, and it is in U-shape the clamping layer of shape along rail radial direction.Through the above scheme, this it is practical newly have the advantages that structure is simple, locking is reliable, mounting process is simple, later maintenance amount is small, input cost is low etc., in technical field of rail traffic with very high practical value and promotional value.
Description
Technical field
The utility model relates to technical field of rail traffic, especially a kind of silencing steel rail of self-locking trough of belt extension layer.
Background technique
As the quickening of China railways net construction, train operation speed are continuously improved, the noise excessive problem of part along the line
Also cause the extensive concern of the whole society.The vibration and noise that rail traffic generates is to surrounding enviroment along the line and vehicle in use inner loop
Border influence is very big, is one of pollution sources of environment, with the raising of train speed and the increase of rate of traffic flow, it is to surrounding enviroment
Influence is also further serious, so that people's physical and mental health is severely damaged, wherein noise pollution is especially prominent.
Experiment proves that wheel-rail noise is the main noise of railroad noise when train travel speed is from 50 to 300km/h
Source.However, most railway operation speed in China are within this range, therefore, some economic and practical reductions are studied
The measure of wheel-rail noise is meaningful.Currently, doing a lot of work both at home and abroad to solve the noise problem that rail traffic generates, try
The mechanism sound source that figure is generated according to wheel-rail noise.Such as regular polishing wheel of common operation and Rail Surface, to reduce wheel
Track surface roughness；For another example in wheel track surface mount restriction damping layer to increase car wheel structure damping；For another example with elastic wheel every
From structural vibration and optimize car wheel structure shape to reduce the acoustic radiation of car wheel structure；Track structure and damping can also be optimized:
It is laid with acoustic board on track structural slab and short sound barrier sound absorption is installed in track two sides；It moreover, can also be in steel
Short sound-proof wall and sound insulation skirt etc. are installed respectively along rail and on bogie.But above-mentioned measure will affect train traffic safety,
Constructing operation inconvenience or high cost various reasons lead to not promote and use on a large scale.In addition, there are also using sound barrier,
Damping steel rail, attenuator etc., but all have the defects that certain, cause effect undesirable, installation cost is high, later maintenance fiber crops
It is tired.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of silencing steel rail of self-locking trough of belt extension layer,
The technical solution adopted in the utility model is as follows:
A kind of silencing steel rail of self-locking trough of belt extension layer, including rail, are fitted in the extension layer of the web of the rail two sides of rail,
The restraint layer connecting with extension layer is contacted with restraint layer outer ledge and for restraint layer and extension layer extruding to be fitted in steel
Spring clip on the web of the rail of rail, the damping layer being fitted between extension layer and restraint layer, bottom are set in the bottom of rail, inside
It the connection of the outer ledge bottom of edge top and extension layer and is in U-shape the rail bed course of shape, and lays along rail radial direction
It is in U-shape the clamping layer of shape between rail bed course and spring clip and along rail radial direction.
Specifically, the extension layer is equipped with the first rectangular channel for connecting respectively with the top and bottom of restraint layer, and
The first rectangular portion connected at the top of inside edge with rail bed course is set on the outer ledge of the extension layer.
Further, several T-type portions connecting with damping layer are uniformly arranged on the restraint layer and by damping layer side,
And the curved portion contacted with extension layer is set in the side edge bottom of the restraint layer.
Preferably, the inside top setting of the rail bed course is for being clamped the first L-type buckling parts of layer fastening, in rail
Inside edge setting and matched second rectangular channel of the first rectangular portion of bed course, setting and card on the outer ledge of rail bed course
The third rectangular channel of layer connection is connect, and in the setting of the inside bottom of rail bed course for being clamped the second L-type buckling parts of layer fastening.
Further, the first arc buckling parts that the top setting of the clamping layer is fastened with the first L-type buckling parts,
Be clamped layer bottom setting with the second L-type buckling parts fasten the second arc buckling parts, clamping layer outer ledge setting with
The trapezoidal engaging portion of spring clip connection, and the second rectangular portion connecting with third rectangular channel is arranged in the inside edge for being clamped layer.
Further, the inside edge setting of the spring clip fastens matched dovetail groove with trapezoidal engaging portion.
Preferably, setting matches and the consistent several T-slots of quantity with T-type portion on the damping layer.
Compared with prior art, the utility model has the following beneficial effects:
(1) extension layer in the utility model and rail bed course are connect by the first rectangular portion with the second rectangular channel, and
Cooperate with spring clip to form self-locking structure, can prevent product space in installation process at the scene from deviating, improve installation progress,
Installation dimension is more accurate.
(2) spring clip in the utility model and clamping layer pass through dovetail groove and trapezoidal engaging portion forms self-locking structure,
The fixed function of the web of the rail, rail bottom and cartridge clip after installation is complete can be prevented, and plays prevention product warpage situation, improves train
Travel safety.
(3) the utility model is by the connection at A, B, C, D, G and H, restraint layer and extension layer in the structure of assembly
It is designed as self-locking to withhold, flat appearance degree can be increased, leakproofness when product pours, forms extension layer and restraint layer passes through dress
After matching, the damping layer poured forms closed effect completely, and then improves product production schedule and aesthetics.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, will use below required in embodiment
Attached drawing is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore is not to be seen as
It is the restriction to protection scope, it to those skilled in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is the Structure of cross section schematic diagram of the utility model.
Fig. 2 is enlarged drawing at the A of Fig. 1.
Fig. 3 is enlarged drawing at the B of Fig. 1.
Fig. 4 is enlarged drawing at the C of Fig. 1.
Fig. 5 is enlarged drawing at the D of Fig. 1.
Fig. 6 is enlarged drawing at the E of Fig. 1.
Fig. 7 is enlarged drawing at the F of Fig. 1.
Fig. 8 is enlarged drawing at the G of Fig. 1.
Fig. 9 is enlarged drawing at the H of Fig. 1.
In above-mentioned attached drawing, the corresponding component names of appended drawing reference are as follows:
1- extension layer, 2- restraint layer, 3- damping layer, 4- spring clip, 5- rail bed course, 6- rail, 7- are clamped layer, 11- the
One rectangular channel, the first rectangular portion of 12-, 21-T type portion, 22- curved portion, 31-T type groove, 41- dovetail groove, the first L-type of 51- fasten
Portion, the second rectangular channel of 52-, 53- third rectangular channel, 54- the second L-type buckling parts, 71- the first arc buckling parts, the trapezoidal combination of 72-
Portion, the second rectangular portion of 73-, 74- the second arc buckling parts.
Specific embodiment
It is practical to this with reference to the accompanying drawings and examples to keep the purposes, technical schemes and advantages of the application apparent
Novel to be described further, the embodiments of the present invention includes but is not limited to the following example.Based on the reality in the application
Apply example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all
Belong to the range of the application protection.
Embodiment
As shown in Figures 1 to 9, the silencing steel rail for present embodiments providing a kind of self-locking trough of belt extension layer is realizing steel
While rail noise reduction, it can also make silencing steel rail connection more reliable.In addition, it is necessary to explanation, described in the present embodiment " the
One ", the serial numbers term such as " second ", " third " is only used for distinguishing same item, cannot be understood as the specific restriction to protection scope.
At the same time, the directionalities term such as " top " in the present embodiment, " bottom ", " inside ", " inside top ", " outer ledge " is
It is illustrated based on the drawings.
Specifically, which includes rail 6, is fitted in the extension layer 1 of the web of the rail two sides of rail 6, with extension layer 1
The restraint layer 1 of connection is contacted with 2 outer ledge of restraint layer and for restraint layer 2 and the extruding of extension layer 1 to be fitted in rail 6
Spring clip 4 on the web of the rail, the damping layer 3 being fitted between extension layer 1 and restraint layer 2, bottom are set in the bottom, interior of rail 6
It connect with the outer ledge bottom of extension layer 1 at the top of side edge and is in U-shape the rail bed course 5 of shape along rail radial direction, and
It is laid between rail bed course 5 and spring clip 4 and is in U-shape the clamping layer 7 of shape along rail radial direction.Wherein, the extension of trough of belt
Layer is concave convex groove structure, is also designed to transverse and longitudinal slot or dot structure, thus, it plays and increases rigidity similar to leverage.
More reliable silencing steel rail is locked in order to obtain, the top and bottom with restraint layer 2 respectively are equipped on extension layer
First rectangular channel 11 of connection, and be arranged on the outer ledge of the extension layer 1 and connect at the top of the inside edge of rail bed course 5
Touch the first rectangular portion 12 of connection.Meanwhile several and damping layer 3 company is uniformly arranged on restraint layer 2 and by 3 side of damping layer
The T-type portion 21 connect, and the curved portion 22 contacted with extension layer 1 is set in the side edge bottom of the restraint layer 2.In damping layer 3
Upper setting is matched with T-type portion 21 and the consistent several T-slots 31 of quantity.Extension layer and the restraint layer dress that the restraint layer passes through trough of belt
Cavity is formed after matching, then after pouring damping layer, three forms integral squelch steel rail web, passes through the I-shaped structure of restraint layer
Link and damping layer and trough of belt extension layer, significantly increase the bending stiffness and shearing rigidity of the silencing steel rail web of the rail, and play rail
The self-locking form of waist.
In the present embodiment, in the inside top setting of rail bed course 5 for being clamped the first L-type buckling parts of the fastening of layer 7
51, setting and matched second rectangular channel 52 of the first rectangular portion 12 in the inside edge of rail bed course 5, in the outer of rail bed course 5
The third rectangular channel 53 connecting with clamping layer 7 is set in side edge, and is arranged in the inside bottom of rail bed course 5 for being clamped layer
7 the second L-type buckling parts 54 fastened.Meanwhile the first arc fastened in the top setting of clamping layer 7 with the first L-type buckling parts 51
Shape buckling parts 71 is being clamped in the second arc buckling parts 74 that the bottom setting of clamping layer 7 is fastened with the second L-type buckling parts 54
The trapezoidal engaging portion 72 connecting with spring clip 4 is arranged in the outer ledge of layer 7, and is clamped inside edge setting and the third square of layer 7
The second rectangular portion 73 that shape slot 53 connects.Moreover, in the setting of the inside edge of spring clip 4 and trapezoidal engaging portion 72 fastening
The dovetail groove 41 matched.
In conclusion the utility model is while realizing noise-reducing, it may have structure is simple, locking is reliable, erector
The advantages such as skill is simple, later maintenance amount is small, input cost is low have very high practical value in technical field of rail traffic and push away
Wide value.
Above-described embodiment is only the preferred embodiment of the utility model, is not intended to limit the scope of the present invention,
In every case the design principle of the utility model is used, and carries out the non-creative variation worked and made on this basis, it should all
Belong within the protection scope of the utility model.
Claims (7)
1. a kind of silencing steel rail of self-locking trough of belt extension layer, including rail (6), are fitted in the expansion of the web of the rail two sides of rail (6)
It opens up layer (1), the restraint layer (2) being connect with extension layer (1), contacted with restraint layer (2) outer ledge and is used for restraint layer (2)
The spring clip (4) being fitted on the web of the rail of rail (6) is squeezed with extension layer (1), which is characterized in that further includes being fitted in extension layer
(1) damping layer (3) between restraint layer (2), bottom be set in the bottom of rail (6), at the top of inside edge with extension layer (1)
The connection of outer ledge bottom and be in U-shape the rail bed course (5) of shape along rail radial direction, and be laid in rail bed course (5)
It is in U-shape the clamping layer (7) of shape between spring clip (4) and along rail radial direction.
2. a kind of silencing steel rail of self-locking trough of belt extension layer according to claim 1, which is characterized in that the extension layer
(1) it is equipped with the first rectangular channel (11) connecting respectively with the top and bottom of restraint layer (2), and in the extension layer (1)
The first rectangular portion (12) connected at the top of inside edge with rail bed course (5) is set on outer ledge.
3. a kind of silencing steel rail of self-locking trough of belt extension layer according to claim 2, which is characterized in that the restraint layer
(2) several T-type portions (21) connecting with damping layer (3) are uniformly arranged on and by damping layer (3) side, and in the restraint layer
(2) curved portion (22) contacted with extension layer (1) is arranged in side edge bottom.
4. a kind of silencing steel rail of self-locking trough of belt extension layer according to claim 3, which is characterized in that the rail pad
Inner side edge of the inside top setting of layer (5) for being clamped the first L-type buckling parts (51) of layer (7) fastening, in rail bed course (5)
Edge setting and the first rectangular portion (12) matched second rectangular channel (52), setting and card on the outer ledge of rail bed course (5)
The third rectangular channel (53) of layer (7) connection is connect, and in the setting of the inside bottom of rail bed course (5) for being clamped layer (7) fastening
Second L-type buckling parts (54).
5. a kind of silencing steel rail of self-locking trough of belt extension layer according to claim 4, which is characterized in that the clamping layer
(7) the first arc buckling parts (71) that top setting is fastened with the first L-type buckling parts (51), sets in the bottom of clamping layer (7)
The the second arc buckling parts (74) fastened with the second L-type buckling parts (54) is set, in the outer ledge setting of clamping layer (7) and spring
The trapezoidal engaging portion (72) of (4) connection is pressed from both sides, and second connect with third rectangular channel (53) is arranged in the inside edge for being clamped layer (7)
Rectangular portion (73).
6. a kind of silencing steel rail of self-locking trough of belt extension layer according to claim 5, which is characterized in that the spring clip
(4) inside edge setting fastens matched dovetail groove (41) with trapezoidal engaging portion (72).
7. a kind of silencing steel rail of self-locking trough of belt extension layer according to claim 3, which is characterized in that the damping layer
(3) setting matches and the consistent several T-slots (31) of quantity with T-type portion (21) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821340278.3U CN208733400U (en) | 2018-08-20 | 2018-08-20 | A kind of silencing steel rail of self-locking trough of belt extension layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821340278.3U CN208733400U (en) | 2018-08-20 | 2018-08-20 | A kind of silencing steel rail of self-locking trough of belt extension layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208733400U true CN208733400U (en) | 2019-04-12 |
Family
ID=66030224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821340278.3U Active CN208733400U (en) | 2018-08-20 | 2018-08-20 | A kind of silencing steel rail of self-locking trough of belt extension layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208733400U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535082A (en) * | 2020-05-09 | 2020-08-14 | 上海工程技术大学 | Multidirectional hydraulic vibration reduction dynamic vibration absorber structure of steel rail |
| CN111749056A (en) * | 2020-06-18 | 2020-10-09 | 中铁工程设计咨询集团有限公司 | Comprehensive damping vibration-damping noise-reducing device for mass-distributed steel rail |
| WO2021258717A1 (en) * | 2020-06-24 | 2021-12-30 | 陈启星 | Track using main-auxiliary type steel rails and up-and-down lap joint type joints to improve smoothness |
-
2018
- 2018-08-20 CN CN201821340278.3U patent/CN208733400U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535082A (en) * | 2020-05-09 | 2020-08-14 | 上海工程技术大学 | Multidirectional hydraulic vibration reduction dynamic vibration absorber structure of steel rail |
| CN111749056A (en) * | 2020-06-18 | 2020-10-09 | 中铁工程设计咨询集团有限公司 | Comprehensive damping vibration-damping noise-reducing device for mass-distributed steel rail |
| WO2021258717A1 (en) * | 2020-06-24 | 2021-12-30 | 陈启星 | Track using main-auxiliary type steel rails and up-and-down lap joint type joints to improve smoothness |
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