CN220767571U - Double-deck insulating splint structure that glues - Google Patents
Double-deck insulating splint structure that glues Download PDFInfo
- Publication number
- CN220767571U CN220767571U CN202322221434.1U CN202322221434U CN220767571U CN 220767571 U CN220767571 U CN 220767571U CN 202322221434 U CN202322221434 U CN 202322221434U CN 220767571 U CN220767571 U CN 220767571U
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- Prior art keywords
- insulating
- layer
- splint
- rail
- groove
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- 239000003292 glue Substances 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 49
- 239000010959 steel Substances 0.000 claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 35
- 239000012790 adhesive layer Substances 0.000 claims description 19
- 239000011229 interlayer Substances 0.000 claims description 19
- 239000004744 fabric Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims 5
- 230000001070 adhesive effect Effects 0.000 claims 5
- 238000009413 insulation Methods 0.000 abstract description 23
- 230000032683 aging Effects 0.000 abstract description 6
- 230000003628 erosive effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 11
- 238000010992 reflux Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Railway Tracks (AREA)
Abstract
The utility model discloses a double-layer glued insulation clamping plate structure, and mainly relates to the field of rail insulation. Including the splint of symmetry setting in rail both sides, be equipped with the fastening bolt who is used for fixing splint and insulating intermediate layer on the rail between splint and the rail, fastening bolt's tip is equipped with the nut, and insulating intermediate layer is adjacent two-layer, and every layer of insulating intermediate layer all includes groove steel sheet and insulating glue layer, and fastening bolt's outside cover is equipped with insulating sleeve, and splint's tip is equipped with the draw-in groove, is equipped with the pot head that is used for sealing insulating sleeve tip in the draw-in groove, and the pot head is established in fastening bolt's outside. The utility model has the beneficial effects that: the insulation joint can solve the technical problem that safety accidents are easy to occur due to insufficient insulation performance after the existing insulation joint is used for a long time, improves the insulation performance of the insulation joint, protects an insulation part, avoids erosion and aging in the long-time use process, and ensures enough insulation performance of the insulation joint after the long-time use.
Description
Technical Field
The utility model relates to the field of rail insulation joints, in particular to a double-layer glued insulation clamping plate structure.
Background
Along with the rapid development of railway systems in China, the scale of a station yard is continuously enlarged, the traction load is continuously increased, and the traction reflux condition in the station yard becomes more and more complex. The rail yard of China usually adopts a direct power supply mode with a return line and an AT power supply mode, under the direct supply mode with the return line, the traction network structure is generally composed of steel rails, the return line and a contact network, a traction substation supplies power to the contact network in the rail yard through a feeder line, a train takes current from the contact network, then traction current is discharged into the steel rails, and the traction current flows back to the traction substation through the steel rails, the suction line, the return line and the ground. Through field practical investigation, the problem of unsmooth traction reflux of the station is commonly found. For example, in a short lead wire of a rail connected with a choke transformer at the rail side of a station forenotice signal section, the traction reflux is too large, the reflux current of a part of the suction lead wire is too small, the rail reflux is too large, the station side line reflux is blocked, and the like.
The normal and safe operation of each line in a rail yard is important for rail transportation. When the traction backflow is unsmooth and causes that part of lines and steel rails bear large current, the problems of arc discharge, high-voltage breakdown and the like of the steel rail cementing insulating joints are usually caused, a large amount of manpower and material resources are consumed, replacement and maintenance of the steel rail cementing insulating joints are carried out, train operation is delayed, even driving safety accidents are caused, the root cause of the problems is that the insulating performance of the steel rail cementing insulating joints is insufficient, and the insulating parts are easy to age and deteriorate after long-time use, the insulating effect is further reduced, so that how to ensure the insulating performance of the insulating joints is a technical problem which needs to be solved in a high-speed development process of a railway system.
Disclosure of Invention
The utility model aims to provide a double-layer glued insulating clamping plate structure, which can solve the technical problem that the existing insulating joint is insufficient in insulating performance and easy to cause safety accidents after long-time use, improve the insulating performance of the insulating joint, protect an insulating part, avoid erosion and aging in the long-time use process and ensure the sufficient insulating performance of the insulating joint after long-time use.
The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:
the utility model provides a double-deck insulating splint structure that glues, sets up the splint in rail both sides including the symmetry, be equipped with insulating interlayer between splint and the rail, all be equipped with the bolt hole on rail, insulating interlayer, the splint, be equipped with the fastening bolt who is used for fixing splint and insulating interlayer on the rail in the bolt hole, fastening bolt's tip is equipped with the nut, insulating interlayer is adjacent two-layer, every insulating interlayer all includes groove steel sheet and insulating glue film, fastening bolt's outside cover is equipped with insulating sleeve, the tip of splint is equipped with the draw-in groove, be equipped with the pot head that is used for sealing insulating sleeve tip in the draw-in groove, the pot head is established in fastening bolt's outside.
Further, the thickness of the insulating adhesive layer is not less than one millimeter.
Further, a glass fiber cloth layer is arranged between the groove-shaped steel plate and the insulating adhesive layer.
Further, the end parts of the upper side and the lower side of the insulating glue layer are protruded out of the end parts of the groove-shaped steel plate.
Furthermore, the end parts of the upper side and the lower side of the groove-shaped steel plate are respectively provided with a protection plate, and the protection plates cover the protruding end parts of the insulating adhesive layer.
Further, the protection plate is provided with a slot, the end part of the slot-shaped steel plate is provided with an inserting block, and the inserting block is movably inserted into the slot.
Compared with the prior art, the utility model has the beneficial effects that:
1. the insulating interlayer is arranged in two layers, each layer of insulating interlayer comprises the groove-shaped steel plate and the insulating adhesive layer, the insulating part between the clamping plate and the steel rail is composed of the two layers of insulating adhesive layers by the aid of the structure, the thickness of the insulating part is greatly improved, the insulating performance is improved, the phenomenon of insulation breakdown is avoided, the driving safety is guaranteed, the insulating sleeve is sleeved on the outer side of the fastening bolt, the insulating effect on the joint of the steel rail is further achieved, and the integral insulating performance is guaranteed;
2. the clamping groove is formed in the end portion of the clamping plate, the end sleeve used for sealing the end portion of the insulating sleeve is arranged in the clamping groove, the end sleeve is arranged outside the fastening bolt, the end portion of the insulating sleeve is sealed through the end sleeve, external rainwater or impurities are prevented from entering the joint of the fastening bolt and the steel rail, corrosion and aging of the insulating sleeve due to exposure are prevented, and the insulating performance of the insulating clamping plate after long-term use is further guaranteed.
Drawings
Fig. 1 is a schematic view of an application scenario of the present utility model.
Fig. 2 is a schematic structural view of the splint of the present utility model.
Fig. 3 is an enlarged view of a portion of the utility model at a in fig. 2.
The reference numbers shown in the drawings:
1. a steel rail; 2. a clamping plate; 3. an insulating interlayer; 4. bolt holes; 5. a fastening bolt; 6. a nut; 7. a groove-shaped steel plate; 8. an insulating adhesive layer; 9. an insulating sleeve; 10. a clamping groove; 11. an end sleeve; 12. a protection plate; 13. a slot; 14. and (5) inserting blocks.
Detailed Description
The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the utility model, and such equivalents are intended to fall within the scope of the utility model as defined herein.
Referring to fig. 1 and 2, the utility model relates to a double-layer glued insulation clamp plate 2 structure, the main structure comprises clamp plates 2 symmetrically arranged at two sides of a steel rail 1, the clamp plates 2 are generally made of metal materials, enough structural strength is ensured, the inner side of the clamp plates 2 is in a shape corresponding to the side surface of the steel rail 1, an insulation interlayer 3 is arranged between the clamp plates 2 and the steel rail 1, the insulation interlayer 3 is a part with insulation effect, bolt holes 4 are arranged on the steel rail 1, the insulation interlayer 3 and the clamp plates 2, fastening bolts 5 for fixing the clamp plates 2 and the insulation interlayer 3 on the steel rail 1 are arranged in the bolt holes 4, nuts 6 are arranged at the end parts of the fastening bolts 5, the cooperation of a plurality of fastening bolts 5 is used for fixing the clamp plates 2 and the insulation interlayer 3 on the side surface of the steel rail 1, thereby realizing insulation operation on the joint of the steel rail 1, the insulation interlayer 3 is in two adjacent layers, each layer of insulating interlayer 3 comprises a groove-shaped steel plate 7 and an insulating adhesive layer 8, the groove-shaped steel plate 7 is matched with the shape of the side surface of the steel rail 1, the insulating adhesive layer 8 is formed by solidifying glue solution with insulating effect, the insulating part of the side surface of the steel rail 1 is composed of insulating adhesive layers 8 on two sides by the structure, thereby greatly improving the thickness of the insulating part, increasing the insulating property of the joint of the steel rail 1, the outer side of the fastening bolt 5 is sleeved with an insulating sleeve 9, the insulating sleeve 9 is generally composed of insulating plastic or insulating rubber, the joint of the fastening bolt 5 and the steel rail 1 is insulated, the insulating effect of the joint of the steel rail 1 is further improved, the end part of the clamping plate 2 is provided with a clamping groove 10, the clamping groove 10 is formed by inwards sinking the end part of the clamping plate 2, an end sleeve 11 for closing the end part of the insulating sleeve 9 is arranged in the clamping groove 10, the end cover 11 also generally adopts insulating material, the outside at fastening bolt 5 is established to the end cover 11 cover for fastening bolt 5 is fixed the draw-in groove 10 of splint 2 simultaneously when the installation, utilizes end cover 11 to seal the tip of insulating boot 9, makes in the outside rainwater or impurity can not get into insulating boot 9's clearance in the use, avoids insulating boot 9's erosion ageing, guarantees insulating properties when long-time use, improves insulating splint 2's life, guarantees the security of driving.
Preferably, the thickness of the insulating glue layer 8 is not less than one millimeter, and the existing insulating glue layer 8 is generally one millimeter, so that the sum of the thicknesses of the insulating glue layers 8 of the double layers is necessarily thicker than the existing insulating part to ensure the improvement of the insulating effect.
Preferably, a glass fiber cloth layer is further arranged between the groove-shaped steel plate 7 and the insulating adhesive layer 8, the glass fiber cloth layer is arranged to fix the insulating adhesive layer 8 in the curing process better, the insulating adhesive layer 8 after curing is prevented from falling off or dislocating, and the stability of the insulating structure is guaranteed.
Preferably, referring to fig. 3, the ends of the upper and lower sides of the insulating glue layer 8 protrude from the ends of the groove-shaped steel plate 7, and by adopting the structure, the protruding parts can insulate and protect the ends of the groove-shaped steel plate 7, the clamping plates 2 and the steel rail 1, so that rainwater or impurities are prevented from falling into the parts to form conduction, the comprehensiveness of the insulating effect is further ensured, and the overall insulating performance is improved.
Preferably, the tip of both sides all is equipped with guard plate 12 about the groove steel sheet 7, and guard plate 12 generally adopts insulating material, guard plate 12 covers the convex tip of insulating glue layer 8, and such structure makes guard plate 12 can protect the convex tip of insulating glue layer 8, avoids ageing or the rainwater erosion that solar insolation caused to cause the condition that insulating properties descends for insulating glue layer 8's life promotes greatly, guarantees the insulating effect of rail 1 junction.
Preferably, slot 13 is equipped with on the guard plate 12, the tip of groove shaped steel board 7 is equipped with the inserted block 14, the inserted block 14 is pegged graft with slot 13 activity, and such structure makes the installation of PLASTIC LAMINATED more convenient, can change after the guard plate 12 ages from the groove shaped steel board 7 is dismantled, and the dismouting is convenient, can guarantee the protection effect to insulating glue film 8 for a long time.
Working principle: the insulating interlayer 3 is arranged in two layers, each layer of insulating interlayer 3 comprises the groove-shaped steel plate 7 and the insulating adhesive layer 8, the insulating part between the clamping plate 2 and the steel rail 1 is composed of the two layers of insulating adhesive layers 8 by adopting the structure, the thickness of the insulating part is greatly improved, the insulating performance is improved, the phenomenon of insulation breakdown is avoided, the driving safety is ensured, the insulating sleeve 9 is sleeved on the outer side of the fastening bolt 5, the insulating effect on the joint of the steel rail 1 is further realized, and the integral insulating performance is ensured; the clamping groove 10 is formed in the end portion of the clamping plate 2, the end sleeve 11 used for sealing the end portion of the insulating sleeve 9 is arranged in the clamping groove 10, the end sleeve 11 is sleeved outside the fastening bolt 5, the end portion of the insulating sleeve 9 is sealed through the end sleeve 11, external rainwater or impurities are prevented from entering the joint of the fastening bolt 5 and the steel rail 1, corrosion and aging of the insulating sleeve 9 caused by exposure are prevented, and the insulating performance of the insulating clamping plate 2 after long-term use is further guaranteed.
Claims (6)
1. The utility model provides a double-deck insulating splint structure that glues, sets up splint (2) in rail (1) both sides including the symmetry, be equipped with insulating intermediate layer (3) between splint (2) and rail (1), all be equipped with bolt hole (4) on rail (1), insulating intermediate layer (3), splint (2), be equipped with in bolt hole (4) and be used for fixing splint (2) and insulating intermediate layer (3) fastening bolt (5) on rail (1), the tip of fastening bolt (5) is equipped with nut (6), its characterized in that: the insulating interlayer (3) is adjacent two layers, each layer of insulating interlayer (3) all comprises a groove-shaped steel plate (7) and an insulating adhesive layer (8), an insulating sleeve (9) is sleeved on the outer side of a fastening bolt (5), a clamping groove (10) is formed in the end portion of the clamping plate (2), an end sleeve (11) for sealing the end portion of the insulating sleeve (9) is arranged in the clamping groove (10), and the end sleeve (11) is sleeved outside the fastening bolt (5).
2. The double-layer adhesive insulating splint structure according to claim 1, wherein: the thickness of the insulating adhesive layer (8) is not less than one millimeter.
3. The double-layer adhesive insulating splint structure according to claim 1, wherein: and a glass fiber cloth layer is arranged between the groove-shaped steel plate (7) and the insulating adhesive layer (8).
4. The double-layer adhesive insulating splint structure according to claim 1, wherein: the end parts of the upper side and the lower side of the insulating adhesive layer (8) are protruded out of the end parts of the groove-shaped steel plate (7).
5. The double-layer adhesive insulating splint structure according to claim 4, wherein: the ends of the upper side and the lower side of the groove-shaped steel plate (7) are respectively provided with a protection plate (12), and the protection plates (12) cover the protruding ends of the insulating adhesive layer (8).
6. The double-layer adhesive insulating splint structure according to claim 5, wherein: the protection plate (12) is provided with a slot (13), the end part of the groove-shaped steel plate (7) is provided with an inserting block (14), and the inserting block (14) is movably inserted into the slot (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322221434.1U CN220767571U (en) | 2023-08-17 | 2023-08-17 | Double-deck insulating splint structure that glues |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322221434.1U CN220767571U (en) | 2023-08-17 | 2023-08-17 | Double-deck insulating splint structure that glues |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220767571U true CN220767571U (en) | 2024-04-12 |
Family
ID=90616525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322221434.1U Active CN220767571U (en) | 2023-08-17 | 2023-08-17 | Double-deck insulating splint structure that glues |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220767571U (en) |
-
2023
- 2023-08-17 CN CN202322221434.1U patent/CN220767571U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |