CN110001711B - Rail damping box for test - Google Patents
Rail damping box for test Download PDFInfo
- Publication number
- CN110001711B CN110001711B CN201910359138.3A CN201910359138A CN110001711B CN 110001711 B CN110001711 B CN 110001711B CN 201910359138 A CN201910359138 A CN 201910359138A CN 110001711 B CN110001711 B CN 110001711B
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- Prior art keywords
- box
- damping
- sand
- sand box
- rail
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- 238000013016 damping Methods 0.000 title claims abstract description 77
- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 244000035744 Hura crepitans Species 0.000 claims abstract description 80
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000004576 sand Substances 0.000 claims abstract description 24
- 230000007704 transition Effects 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 101500004783 Chlamydomonas moewusii Ceu clpP intein Proteins 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Railway Tracks (AREA)
Abstract
The utility model relates to a steel rail damping box for a test, which comprises a sand box (1), damping sand (2), a baffle (3), a sealing rubber strip (4), an excessive baffle (5), a vertical damping plate (6), a transverse damping plate (7), a buckle (8), a base (9), a height adjusting device (10) and universal wheels (11); the sand box (1) length direction one end be equipped with opening (12), rail (13) insert sand box (1) through opening (12), sealing rubber strip (4) card around baffle (3) to agree with rail (13), keep off in opening (12) department of sand box (1), excessive baffle (5) card inside sand box (1) open end, horizontal damping plate (7) set up on vertical damping plate (6) to fasten through buckle (8) in insert damping box one end rail (13) bottom surface. Compared with the prior art, the utility model has the advantages of high reliability, convenient use and the like.
Description
Technical Field
The utility model belongs to the field of rail transit, and particularly relates to a steel rail damping box for a test.
Background
With the development of science and technology, rail transit is becoming a very important means of transportation in modern society, and the safety of railway lines in rail transit is closely related to people's lives. To study the influence of a verification vehicle on the dynamic parameters of the track, relevant experiments of the track characteristics were performed in a laboratory. Because of laboratory site and cost constraints, long test lines cannot be constructed. When a series of tests are carried out, the sections at the two ends of the line steel rail can cause reflected waves to form on the steel rail, and the existence of the reflected waves can enable the test simulation condition to be the same as the actual condition on site, so that the accuracy of the test and the accuracy of test data are affected.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the steel rail damping box for the test, which has high reliability and convenient use, wherein the damping materials and the damping plate design of the damping box are calculated and determined according to the research frequency range and the precision grade.
The aim of the utility model can be achieved by the following technical scheme: the steel rail damping box for the test is characterized by comprising a sand box, damping sand, a baffle plate, a sealing rubber strip, an excessive baffle plate, a vertical damping plate, a transverse damping plate, a buckle, a base, a height adjusting device and a universal wheel; the sand box length direction one end be equipped with the opening, the rail inserts the sand box through the opening, sealing rubber strip card is around the baffle to agree with the rail, keep off the opening part at the sand box, excessive baffle card inside the sand box open end, make the inside both sides of sand box open end form two right angle triangle spaces, horizontal damping plate sets up on vertical damping plate to fasten through the buckle and insert damping case one end rail bottom surface, the base setting in the sand box bottom, the universal wheel install on the base, the setting of heightening device on the base, heighten the sand box, damping sand is placed in the sand box.
The sand box is formed by welding or molding steel plates, is of a cuboid structure and is provided with an opening at the top and is matched with a sand box cover connected through a hinge to cover the top.
The opening at one end of the sand box in the length direction is internally provided with an L-shaped groove, an upper straight notch and a lower straight notch which are used for moving and fastening the baffle.
The depth of the steel rail inserted into the sand box is 2/3 of the length of the sand box.
The baffle plate and the sealing rubber strip form a sealing plate, the two sealing plates which are arranged in a mirror image way are spliced Cheng Dang to cover the plate of the opening of the sand box, a hole which is matched with the cross section of the steel rail in size and shape is formed in the middle of the spliced two sealing plates, the steel rail is inserted into the sand box from the hole and is tightly matched with the sealing rubber strip, the flexible contact between the steel rail and the sand box wall is ensured while sand leakage is placed, and the energy on the steel rail is not directly transmitted to the sand box wall; the baffle plate is respectively provided with a row of threaded holes at the upper part and the lower part, and is fastened on the straight notch of the sand box through bolts.
The transition baffle and two mutually perpendicular surfaces of the sand box are combined into a hollow right-angle triangular space, sand is prevented from entering the right-angle triangular space, and a steel rail inserted into the damping box and the outside have smooth transition in the damping sand.
The inside of the sand box is provided with 4 clamping plates, the transition baffle forms an inverted triangle at the opening of the sand box, and the transition baffle is slowly expanded to the wall of the sand box from the opening.
The transverse damping plate is in a right triangle shape, and the long right-angle side of the transverse damping plate is vertically welded on the isosceles triangle-shaped vertical damping plate;
the vertical damping plate is provided with a threaded hole, and the buckle is used for attaching and locking the welded vertical damping plate to the bottom surface of the steel rail through bolts.
The height adjusting device consists of a nut, a height adjusting screw and a handle, wherein the nut is directly welded on the base, the height adjusting screw and the nut are matched with each other through threads to adjust the height of the sand box so as to match the height of the steel rail, the steel rail is inserted into the sand box, and the handle is directly welded on the top of the height adjusting screw and is perpendicular to the height adjusting screw.
The base be equipped with two, the welding is in the sand box bottom, and every base bottom has two universal wheels through bolted connection, when rail damping case need remove, will adjust to the device of heightening and do not contact with ground, promote through the universal wheel.
And pouring the damping sand into a sand box after all adjustment and installation are completed, and filling the sand box. The two right triangle spaces formed by the transition baffle and the sand box wall are not poured with sand.
The damping sand is a granular solid or a viscoelastic body which is made of damping materials with damping loss factors larger than 0.1 under the condition of meeting the frequency range and the environmental condition, and can also be a mixture of different materials, wherein the granular solid comprises materials such as fine dry sand and the like.
Compared with the prior art, the steel rail damping box for the test has the advantages that the structure is compact, reflected waves can be eliminated, and the test precision and the test data accuracy are improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic view of the flask structure of the present utility model;
FIG. 4 is a schematic view of the structure of the baffle and sealing rubber strip of the present utility model.
FIG. 5 is a schematic view of a vertical damping plate and a lateral damping plate structure according to the present utility model.
In the figure: 1. the sand box, 2, damping sand, 3, baffle, 4, sealing rubber strip, 5, transition baffle, 6, vertical damping plate, 7, horizontal damping plate, 8, buckle, 9, base, 10, height adjusting device, 11, universal wheel, 12, opening, 13, rail, 14, cardboard, 15, sand box cover, 16, L type groove, 17, straight notch.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples.
Example 1
As shown in fig. 1 and 2, the steel rail damping box for the test comprises a sand box 1, damping sand 2, a baffle plate 3, sealing rubber strips 4, an excessive baffle plate 5, a vertical damping plate 6, a transverse damping plate 7, a buckle 8, a base 9, a height adjusting device 10 and universal wheels 11.
As shown in fig. 3, the sand box 1 is formed by welding steel plates, has a rectangular parallelepiped structure and an opening at the top, and is fitted with a sand box cover 15 connected by a hinge to cover the top. The sand box 1 length direction one end be equipped with opening 12, rail 13 inserts sand box 1 through opening 12, and the depth of insertion is 2/3 of sand box 1 length, sealing rubber strip 4 card is around baffle 3 to agree with rail 13, fasten with sand box 1 through the bolt. An L-shaped groove 16, an upper straight groove opening 17 and a lower straight groove opening 17 are arranged in the opening 12 at one end of the sand box 1 in the length direction and are used for moving and fastening the baffle plate 3.
As shown in fig. 3 and 4, the baffle 3 and the sealing rubber strip 4 form a sealing plate, two sealing plates which are arranged in a mirror image way are spliced Cheng Dang to form a plate of the opening 12 of the sand box 1, a hole which is matched with the cross section size and shape of the steel rail 13 is formed in the middle of the spliced two sealing plates, the steel rail 13 is inserted into the sand box 1 from the hole and is tightly matched with the sealing rubber strip 4, the sand leakage is placed, meanwhile, the flexible contact between the steel rail 13 and the sand box wall is ensured, and the energy on the steel rail 13 is not directly transmitted to the sand box wall; the baffle plate 3 is provided with a row of threaded holes at the upper and lower parts respectively, and the baffle plate 3 is fastened on the straight slot 17 of the sand box 1 through bolts.
As shown in fig. 1, 2 and 3, 4 clamping plates 14 are arranged inside the sand box 1, the excessive baffle 5 is clamped on the clamping plates 14 of the sand box 1, the excessive baffle 5 forms an inverted triangle at the opening 12 of the sand box 1, and the excessive baffle 5 is slowly expanded to the sand box wall from the opening 12, namely, the excessive baffle 5 and two mutually perpendicular surfaces of the sand box 1 are combined into a hollow right-angle triangle space, so that sand is prevented from entering into the two right-angle triangle spaces formed by the two excessive baffles 5 and the sand box wall, and a smooth transition exists between the steel rail 13 inserted into the damping box and the outside in the damping sand.
As shown in fig. 2 and 5, the transverse damping plate 7 is in a right triangle shape, and the long right-angle side of the transverse damping plate is vertically welded on the isosceles triangle-shaped vertical damping plate 6. The vertical damping plate 6 is provided with 4 threaded holes, and the buckle 8 is used for tightly attaching and locking the welded vertical damping plate 6 to the bottom surface of the steel rail 13 through bolts.
As shown in fig. 1 and 2, the height adjusting device 10 is composed of a nut, a height adjusting screw and a handle, the nut is directly welded on the base 9, the height adjusting screw and the nut are used for adjusting the height of the sand box 1 through threaded fit, the steel rail 13 is inserted into the sand box 1 through the height matching of the steel rail 13, and the handle is directly welded on the top of the screw and is perpendicular to the screw.
Two bases 9 are welded at the bottom of the sand box 1, 4 universal wheels 11 are respectively arranged on the bases 9 through bolts, a heightening device 10 is arranged on the bases 9, the sand box 1 is heightened, and damping sand is placed in the sand box 1.
As shown in fig. 1 and 2, after all adjustment and installation are completed, the damping sand is poured into the sand box 1 and is filled. The two right triangle spaces formed by the transition baffle 5 and the sand box wall are not poured with sand.
The damping sand 2 is damping fine dry sand which meets the frequency range and has the damping loss factor larger than 0.1 under the environmental condition.
As shown in fig. 1, when the rail damping box needs to move, the height adjusting device 10 is adjusted to a position that the height adjusting screw is not contacted with the ground, and the height adjusting screw is pushed by the universal wheels 11.
Claims (10)
1. The steel rail damping box for the test is characterized by comprising a sand box (1), damping sand (2), a baffle plate (3), a sealing rubber strip (4), an excessive baffle plate (5), a vertical damping plate (6), a transverse damping plate (7), a buckle (8), a base (9), a height adjusting device (10) and universal wheels (11); the utility model provides a sand box (1) length direction one end be equipped with opening (12), rail (13) insert sand box (1) through opening (12), sealing rubber strip (4) card around baffle (3) to agree with rail (13), keep off in opening (12) department of sand box (1), excessive baffle (5) card inside sand box (1) open end, make inside both sides of sand box (1) open end form two right angle triangle spaces, horizontal damping plate (7) set up on vertical damping plate (6) to fasten in inserting damping box one end rail (13) bottom surface through buckle (8), base (9) set up in sand box (1) bottom, universal wheel (11) install on base (9), transfer high device (10) set up on base (9), transfer high to sand box (1), damping sand is placed in sand box (1).
2. A test rail damping box according to claim 1, characterized in that the flask (1) is formed by welding or forming a steel plate, has a rectangular parallelepiped structure, has an open top, and is fitted with a box cover (15) connected by a hinge to cover the top.
3. The steel rail damping box for test according to claim 1, wherein an opening (12) at one end of the flask (1) in the length direction is internally provided with an L-shaped groove (16) and an upper straight notch (17) and a lower straight notch (17) for moving and fastening the baffle plate (3).
4. A test rail damper box according to claim 1, wherein the rail (13) is inserted into the flask (1) to a depth of 2/3 of the length of the flask (1).
5. A test steel rail damping box according to claim 3, characterized in that the baffle plate (3) and the sealing rubber strip (4) form a sealing plate, two sealing plates which are arranged in a mirror image manner are spliced Cheng Dang to cover the plate of the opening (12) of the sand box (1), a hole which is matched with the cross section size and shape of the steel rail (13) is formed in the middle of the two spliced sealing plates, and the steel rail (13) is inserted into the sand box (1) from the hole and is tightly matched with the sealing rubber strip (4); the upper part and the lower part of the baffle plate (3) are respectively provided with a row of threaded holes, and the baffle plate (3) is fastened on the straight slot opening (17) of the sand box (1) through bolts.
6. A test rail damper box according to claim 1, characterized in that said transition baffle (5) and two mutually perpendicular faces of the flask (1) are combined into a hollow right-angled triangular space, into which sand is blocked, so that the rail (13) inserted into the damper box has a smooth transition with the outside in the damping sand.
7. A test rail damper box according to claim 6, wherein 4 clamping plates (14) are arranged in the sand box (1), and the transition baffle (5) forms an inverted triangle at the opening (12) of the sand box (1) and gradually expands from the opening (12) to the sand box wall.
8. A test steel rail damping box according to claim 1, characterized in that the transverse damping plate (7) is right triangle shaped and the long right angle side is welded vertically on the isosceles triangle shaped vertical damping plate (6);
the vertical damping plate (6) is provided with a threaded hole, and the buckle (8) is used for tightly locking the welded vertical damping plate (6) on the bottom surface of the steel rail (13) through a bolt.
9. The steel rail damping box for test according to claim 1, wherein the height adjusting device (10) is composed of a nut, a height adjusting screw rod and a handle, the nut is directly welded on the base (9), the height adjusting screw rod and the nut are matched with each other through threads to adjust the height of the sand box (1), the steel rail (13) is inserted into the sand box (1) to match the height of the steel rail (13), and the handle is directly welded on the top of the height adjusting screw rod and is perpendicular to the height adjusting screw rod.
10. The steel rail damping box for test according to claim 1, wherein two bases (9) are arranged and welded at the bottom of the sand box (1), two universal wheels (11) are connected to the bottom of each base (9) through bolts, and when the steel rail damping box needs to move, the height adjusting device (10) is adjusted to be out of contact with the ground and pushed through the universal wheels (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359138.3A CN110001711B (en) | 2019-04-30 | 2019-04-30 | Rail damping box for test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359138.3A CN110001711B (en) | 2019-04-30 | 2019-04-30 | Rail damping box for test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110001711A CN110001711A (en) | 2019-07-12 |
| CN110001711B true CN110001711B (en) | 2024-01-26 |
Family
ID=67175178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910359138.3A Active CN110001711B (en) | 2019-04-30 | 2019-04-30 | Rail damping box for test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110001711B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4415892C1 (en) * | 1994-05-05 | 1995-08-17 | Heitkamp Gmbh Bau | Permanent way rail mounting |
| IN183556B (en) * | 1995-06-27 | 2000-02-12 | Kerr Mcgee Chemical Llc | |
| CN202482714U (en) * | 2012-02-03 | 2012-10-10 | 北京市劳动保护科学研究所 | Novel rail noise controller |
| JP2013167155A (en) * | 2013-06-07 | 2013-08-29 | Railway Technical Research Institute | Soundproof structure of rail |
| CN103510431A (en) * | 2013-09-30 | 2014-01-15 | 华东交通大学 | Grit gathering type stepless automatic sedimentation compensation device for transition section |
| CN203807895U (en) * | 2014-03-26 | 2014-09-03 | 江苏新光环保工程有限公司 | Damping vibration absorbing steel rail |
| CN109468895A (en) * | 2018-11-26 | 2019-03-15 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | For the vibration damping acoustic absorptive member of track and with its package system |
| CN210454833U (en) * | 2019-04-30 | 2020-05-05 | 上海工程技术大学 | Steel rail damping box for test |
-
2019
- 2019-04-30 CN CN201910359138.3A patent/CN110001711B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4415892C1 (en) * | 1994-05-05 | 1995-08-17 | Heitkamp Gmbh Bau | Permanent way rail mounting |
| IN183556B (en) * | 1995-06-27 | 2000-02-12 | Kerr Mcgee Chemical Llc | |
| CN202482714U (en) * | 2012-02-03 | 2012-10-10 | 北京市劳动保护科学研究所 | Novel rail noise controller |
| JP2013167155A (en) * | 2013-06-07 | 2013-08-29 | Railway Technical Research Institute | Soundproof structure of rail |
| CN103510431A (en) * | 2013-09-30 | 2014-01-15 | 华东交通大学 | Grit gathering type stepless automatic sedimentation compensation device for transition section |
| CN203807895U (en) * | 2014-03-26 | 2014-09-03 | 江苏新光环保工程有限公司 | Damping vibration absorbing steel rail |
| CN109468895A (en) * | 2018-11-26 | 2019-03-15 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | For the vibration damping acoustic absorptive member of track and with its package system |
| CN210454833U (en) * | 2019-04-30 | 2020-05-05 | 上海工程技术大学 | Steel rail damping box for test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110001711A (en) | 2019-07-12 |
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