CN113897819A - Steel rail adhesive joint insulating joint - Google Patents
Steel rail adhesive joint insulating joint Download PDFInfo
- Publication number
- CN113897819A CN113897819A CN202111215453.2A CN202111215453A CN113897819A CN 113897819 A CN113897819 A CN 113897819A CN 202111215453 A CN202111215453 A CN 202111215453A CN 113897819 A CN113897819 A CN 113897819A
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- CN
- China
- Prior art keywords
- rail
- bolt
- groups
- joint according
- clamping plates
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 42
- 239000010959 steel Substances 0.000 title claims abstract description 42
- 239000000853 adhesive Substances 0.000 title abstract description 8
- 230000001070 adhesive effect Effects 0.000 title abstract description 8
- 239000003292 glue Substances 0.000 claims description 31
- 238000009413 insulation Methods 0.000 claims description 17
- 239000010410 layer Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B11/00—Rail joints
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B11/00—Rail joints
- E01B11/54—Electrically-insulating rail joints
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a steel rail adhesive joint insulating joint, which comprises a fastening assembly and two groups of clamping plates; the fastening assembly comprises a bolt, a nut and two groups of washers; the two groups of clamping plates and the steel rail are provided with bolt holes; the two groups of clamping plates are respectively arranged on two sides of the steel rail through the matching of bolts, bolt holes and nuts; the two groups of gaskets are sleeved on the bolt and are respectively attached to the two groups of clamping plates, the gaskets are respectively provided with a drainage groove which is communicated with the bolt hole and the outside, and rainwater in the bolt hole is discharged through the drainage groove, so that the influence of rainwater on the performance of the insulating joint is avoided.
Description
Technical Field
The invention relates to the field of steel rail insulating joints, in particular to a steel rail adhesive joint insulating joint.
Background
The rail insulation joint is an important connecting part on a rail track and also an important part of a track circuit and is used for bearing two tasks of a machine and a circuit; one function of the steel rail insulation joint is to bear the impact force when a train passes through, so as to ensure the safety and reliability of steel rail connection, and the other important function is to divide track circuit sections, separate adjacent track circuits, ensure the insulation between two sections of steel rails, and play an important role in the operation, dispatching and monitoring of the train.
The existing steel rail insulating joint has the following problems: 1. after long-term use, rainwater permeates into gaps of the bolt holes to influence the insulation performance of the joint, possibly generating an electricity connection phenomenon and influencing the safety of a line; 2. small vertical rigidity, poor fatigue performance and large fatigue deformation.
In conclusion, a steel rail adhesive joint insulating joint is urgently needed to solve the problems that water is easy to accumulate in a bolt hole, the vertical rigidity is small and the fatigue deformation is large in the prior art.
Disclosure of Invention
The invention aims to provide a steel rail adhesive joint insulating joint to solve the problems of easy water accumulation, small vertical rigidity and large fatigue deformation of bolt holes in the prior art, and the specific technical scheme is as follows:
a rail cementing insulation joint comprises a fastening component and two groups of clamping plates; the fastening assembly comprises a bolt, a nut and two groups of washers; the two groups of clamping plates and the steel rail are provided with corresponding bolt holes; the two groups of clamping plates are respectively arranged on two sides of the steel rail through the matching of bolts and nuts; the two groups of gaskets are sleeved on the bolt and are respectively attached to the two groups of clamping plates; a drainage groove is arranged on the gasket; the drainage groove is respectively communicated with the bolt hole and the outside.
Preferably, the gasket comprises a rectangular gasket and a flat gasket; the rectangular washer and the flat washer are sleeved on the bolt, and the rectangular washer is attached to the clamping plate; and a drainage groove is arranged on the rectangular gasket.
According to the preferable technical scheme, a plurality of groups of drainage grooves are formed in the rectangular gasket.
Preferably, the drainage groove is triangular, rectangular, trapezoidal or semicircular.
According to the preferable technical scheme, the clamping plate is provided with drain holes respectively communicated with the outside and the bolt holes; the aperture of the drain hole is 1-3 mm.
According to the preferable technical scheme, the bolt is sleeved with the insulating sleeve; the insulating sleeve is positioned between the bolt and the steel rail.
According to the preferable technical scheme, the insulating end plates are arranged between the two adjacent groups of steel rails along the length direction of the steel rails.
According to the preferable technical scheme, an insulating glue layer is arranged between the clamping plate and the steel rail.
Preferably, in the technical scheme, the thickness of the insulating glue layer is 1.2 mm.
Above technical scheme preferred, multiunit fastening components set up along rail length direction.
The technical scheme of the invention has the following beneficial effects:
(1) the invention relates to a steel rail cementing insulation joint which comprises a fastening component and two groups of clamping plates; the fastening assembly comprises a bolt, a nut and two groups of washers; the two groups of clamping plates and the steel rail are provided with bolt holes; the two groups of clamping plates are respectively arranged on two sides of the steel rail through the matching of bolts, bolt holes and nuts; the gasket is sleeved on the bolt and attached to the two clamping plates respectively, a drainage groove which is communicated with the bolt hole and the outside is formed in the gasket, and rainwater in the bolt hole is discharged through the drainage groove, so that the influence of rainwater on the performance of the insulating joint is avoided.
(2) The gasket of the invention comprises a flat gasket and a rectangular gasket, and the structural stability is enhanced by arranging two groups of gaskets.
(3) According to the invention, the drain holes respectively communicated with the outside and the bolt holes are arranged on the clamping plate, so that the drainage effect can be further improved, the drainage failure caused by a single drainage mode is avoided, and the diameter of the drain holes is preferably 1-3mm, so that the water can be drained without influencing the strength of the clamping plate.
(4) The bolt is sleeved with the insulating sleeve, so that the bolt is prevented from being in contact with a steel rail to conduct electricity, and the insulating effect is ensured.
(5) An insulating end plate is arranged between two adjacent groups of steel rails and is used for insulating the two groups of steel rails.
(6) The insulating glue layer is arranged between the clamping plate and the steel rail, so that effective insulation is realized.
(7) The thickness of the insulating glue layer is 1.2mm, in the prior art, the gap between the first upper inclined plane of the clamping plate and the second upper inclined plane of the steel rail and the gap between the first lower inclined plane of the clamping plate and the second lower inclined plane of the steel rail are both larger than 1.4mm, and the sizes of the upper end and the lower end of the clamping plate are increased, so that the distance between the first upper inclined plane of the clamping plate and the corresponding positions of the first lower inclined plane of the clamping plate and the steel rail is reduced, the thickness consistency of the insulating glue layer at each part can be ensured, and the vertical rigidity of the clamping plate can be effectively improved.
(8) The multiple groups of fastening assemblies fix the two groups of clamping plates on the two sides of the steel rail along the length direction of the steel rail, and the structural strength is high.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic cross-sectional view of a rail bonded insulated joint according to this embodiment;
FIG. 2 is a schematic view of the rectangular gasket of FIG. 1;
FIG. 3 is a schematic view of a rail bonding insulation joint structure according to this embodiment;
FIG. 4 is a side view of FIG. 3;
wherein, 1, steel rail; 1.1, a second glue joint surface; 1.1a, a second upper inclined plane; 1.1b, a second arc surface; 1.1c, a second lower inclined plane; 2. a splint; 2.1, a first glue joint surface; 2.1a, a first upper inclined plane; 2.1b, a first arc surface; 2.1c, a first lower inclined plane; 3. a bolt; 4. a nut; 5. a gasket; 5.1, a rectangular gasket; 5.11, a drainage groove; 5.2, a flat gasket; 6. bolt holes; 7. an insulating glue layer; 8. an insulating sleeve; 9. and an insulating end plate.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example (b):
a rail glued joint insulated joint comprises a fastening assembly, two sets of clamping plates 2, an insulated end plate 9, an insulated sleeve 8 and an insulated glue layer 7, as shown in figures 1-4, and the concrete steps are as follows:
as shown in fig. 1 and 3, the fastening assembly includes a bolt 3, a nut 4, and two sets of washers 5; the two groups of clamping plates 2 and the steel rail 1 are provided with corresponding bolt holes 6, and the bolts 3, the nuts 4 and the bolt holes 6 are matched to install the two groups of clamping plates 2 on two sides of the rail web of the steel rail 1. Preferably, a plurality of sets of fastening assemblies are provided along the length of the rail 1 to secure the two sets of clamping plates 2 to the rail 1.
As shown in fig. 2-3, the two sets of washers 5 are both sleeved on the bolt 3, and the two sets of washers 5 are respectively attached to the two sets of clamping plates 2, specifically, one set of washer 5 is installed between the inner end surface of the bolt head of the bolt 3 and the clamping plate 2; and another group of washers 5 are arranged between the inner end surface of the nut 4 and the other group of clamping plates 2. The gasket 5 comprises a rectangular gasket 5.1 and a flat gasket 5.2, the flat gasket 5.2 and the rectangular gasket 5.1 are sleeved on the bolt 3, the rectangular gasket 5.1 is attached to the clamping plate 2, and the flat gasket 5.2 is attached to the rectangular gasket 5.1.
Preferably, as shown in fig. 2, a drainage groove 5.11 is arranged on the rectangular gasket 5.1, openings at two ends of the drainage groove 5.11 are respectively communicated with the bolt hole 6 and the outside, and accumulated water in the bolt hole 6 is drained to the outside through the drainage groove 5.11. The number of the drainage grooves 5.11 is selected according to actual conditions, four sets of drainage grooves are preferred in the present embodiment, and the shape of the drainage grooves 5.11 is one of a triangle, a rectangle, a trapezoid or a semicircle (the present embodiment illustrates a semicircle), and the four sets of drainage grooves 5.11 in the present embodiment can also be combined by adopting various shapes.
In order to enhance the drainage effect, a drainage hole (not shown) is formed in the clamping plate 2, openings at two ends of the drainage hole are respectively communicated with the outside and the bolt hole 6, and the aperture of the drainage hole is preferably 1-3 mm. The number of the drain holes is provided with a plurality of groups.
As shown in fig. 1 and 4, a first glue joint surface 2.1 is arranged on one surface of the clamping plate 2 close to the steel rail 1, a second glue joint surface 1.1 corresponding to the first glue joint surface 2.1 is arranged on the steel rail 1, the distance between the first glue joint surface 2.1 and the second glue joint surface 1.1 is 1.2mm, and an insulating glue layer 7 is arranged between the first glue joint surface 2.1 and the second glue joint surface 1.1.
As shown in fig. 4, it is preferable that the initial thickness of the insulation adhesive layer 7 is 2mm, the insulation adhesive layer starts to melt after heating, the clamping plate 2 is pushed towards the rail 1 through the cooperation of the bolt 3 and the nut 4, and the pushing is stopped when the distance between the first adhesive surface 2.1 and the second adhesive surface 1.1 is 1.2mm, specifically: the first glue joint surface 2.1 comprises a first upper inclined surface 2.1a, a first arc surface 2.1b and a first lower inclined surface 2.1c which are connected in sequence, and the second glue joint surface 1.1 comprises a second upper inclined surface 1.1a, a second arc surface 1.1b and a second lower inclined surface 1.1c which are connected in sequence; the first upper inclined plane 2.1a corresponds to the second upper inclined plane 1.1a, the first arc surface 2.1b corresponds to the second arc surface 1.1b, and the first lower inclined plane 2.1c corresponds to the second lower inclined plane 1.1 c;
firstly, the insulation glue layer 7 (with an initial thickness of 2mm) is positioned between the first glue joint surface 2.1 and the second glue joint surface 1.1, the insulation glue layer 7 is heated,
secondly, the clamping plate 2 is pre-tightened through the bolt 3, so that the clamping plate 2 moves towards the steel rail 1 (the central line of the steel rail), and the thickness of the insulating glue layer 7 is gradually reduced; when the gap between the first arc surface 2.1B and the second arc surface 1.1B (here, the gap is a shown in fig. 4 a), the gap between the first upper inclined surface 2.1a and the second upper inclined surface 1.1a (here, the gap is shown in fig. 4B), and the gap between the first lower inclined surface 2.1C and the second lower inclined surface 1.1C (here, the gap is shown in fig. 4C) are all 1.2mm, the clamping plate 2 is stopped to advance, so that the thicknesses of all parts of the insulating glue layer 7 are uniform (namely, the thicknesses are all 1.2 mm); and finally, continuously heating to solidify the insulating glue layer (because of the characteristics of the insulating glue layer, the insulating glue layer can be solidified after being continuously heated, and the insulating glue layer is made of the existing material).
As shown in fig. 1, the insulating sleeve 8 is sleeved on the bolt 3, the insulating sleeve 8 is located in the bolt hole 6, and in order to further ensure the insulation reliability, the length of the insulating sleeve 8 is 0.6-0.8 times of the length of the bolt 3, and preferably, the insulating sleeve 8 is symmetrically arranged about the center line of the steel rail 1.
As shown in fig. 3, the insulating end plate 9 is disposed between two adjacent groups of rails 1 along the length direction of the rails 1, and is used for insulating the two groups of rails 1.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A rail cementing insulation joint is characterized by comprising a fastening component and two groups of clamping plates (2);
the fastening assembly comprises a bolt (3), a nut (4) and two groups of washers (5); the two groups of clamping plates (2) and the steel rail (1) are provided with corresponding bolt holes (6); the two groups of clamping plates (2) are respectively arranged on two sides of the steel rail (1) through the matching of the bolts (3) and the nuts (4); the two groups of gaskets (5) are sleeved on the bolt (3) and respectively attached to the two groups of clamping plates (2);
a drainage groove (5.11) is arranged on the gasket (5); the drainage grooves (5.11) are respectively communicated with the bolt holes (6) and the outside.
2. A rail-glued insulated joint according to claim 1, characterized in that said gasket (5) comprises a rectangular gasket (5.1) and a flat gasket (5.2); the rectangular washer (5.1) and the flat washer (5.2) are sleeved on the bolt (3), and the rectangular washer (5.1) is attached to the clamping plate (2); and a drainage groove (5.11) is arranged on the rectangular gasket (5.1).
3. A rail-bonded insulated joint according to claim 2, characterized in that the rectangular gasket (5.1) is provided with a plurality of sets of drainage grooves (5.11).
4. A rail glued insulated joint according to claim 3, characterised in that the drainage groove (5.11) has the shape of a triangle, rectangle, trapezoid or semicircle.
5. A rail glued joint according to any one of claims 1 to 4, characterised in that said clamping plates (2) are provided with drainage holes communicating respectively with the outside and with said bolt holes (6); the aperture of the drain hole is 1-3 mm.
6. A rail glued joint according to claim 1, characterised in that said bolt (3) is sheathed with an insulating sleeve (8); the insulating sleeve (8) is positioned between the bolt (3) and the steel rail (1).
7. A rail glued insulated joint according to claim 1, characterised in that along the length of the rails (1) there are insulated end plates (9) between two adjacent sets of rails (1).
8. A rail glued joint according to claim 1, characterised in that an insulating glue layer (7) is provided between the clamping plate (2) and the rail (1).
9. A rail glued insulation joint according to claim 8, characterised in that said layer of insulation glue (7) has a thickness of 1.2 mm.
10. A rail bonded insulation joint according to any one of claims 6 to 9, wherein a plurality of sets of fastening members are provided along the length of the rail (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111215453.2A CN113897819A (en) | 2021-10-19 | 2021-10-19 | Steel rail adhesive joint insulating joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111215453.2A CN113897819A (en) | 2021-10-19 | 2021-10-19 | Steel rail adhesive joint insulating joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113897819A true CN113897819A (en) | 2022-01-07 |
Family
ID=79192780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111215453.2A Pending CN113897819A (en) | 2021-10-19 | 2021-10-19 | Steel rail adhesive joint insulating joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113897819A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339150Y (en) * | 2008-12-31 | 2009-11-04 | 瓦房店正通铁路器材制造有限公司 | Steel rail mitered hot glued insulation joint |
| CN202719008U (en) * | 2012-06-06 | 2013-02-06 | 天津市宝洪源机械制造有限公司 | Washer with skid-proof fastening effect |
| CN203639762U (en) * | 2013-12-31 | 2014-06-11 | 浙江中元铁路配件有限公司 | Sub-rail base plate |
| CN207790847U (en) * | 2018-01-31 | 2018-08-31 | 长城汽车股份有限公司 | Subframe assembly and vehicle |
| CN210196247U (en) * | 2019-02-28 | 2020-03-27 | 阿尔特汽车技术股份有限公司 | Prevent ponding flange face bolt structure |
| US20200378425A1 (en) * | 2019-05-30 | 2020-12-03 | Enginuity Power Systems, Inc. | Tamper-resistant hole covering systems and related methods |
-
2021
- 2021-10-19 CN CN202111215453.2A patent/CN113897819A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339150Y (en) * | 2008-12-31 | 2009-11-04 | 瓦房店正通铁路器材制造有限公司 | Steel rail mitered hot glued insulation joint |
| CN202719008U (en) * | 2012-06-06 | 2013-02-06 | 天津市宝洪源机械制造有限公司 | Washer with skid-proof fastening effect |
| CN203639762U (en) * | 2013-12-31 | 2014-06-11 | 浙江中元铁路配件有限公司 | Sub-rail base plate |
| CN207790847U (en) * | 2018-01-31 | 2018-08-31 | 长城汽车股份有限公司 | Subframe assembly and vehicle |
| CN210196247U (en) * | 2019-02-28 | 2020-03-27 | 阿尔特汽车技术股份有限公司 | Prevent ponding flange face bolt structure |
| US20200378425A1 (en) * | 2019-05-30 | 2020-12-03 | Enginuity Power Systems, Inc. | Tamper-resistant hole covering systems and related methods |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220107 |
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| RJ01 | Rejection of invention patent application after publication |