CN203334141U - Double-impedance single-layer iron retainer plate type vibration damping fastening piece system - Google Patents
Double-impedance single-layer iron retainer plate type vibration damping fastening piece system Download PDFInfo
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- CN203334141U CN203334141U CN2012205930003U CN201220593000U CN203334141U CN 203334141 U CN203334141 U CN 203334141U CN 2012205930003 U CN2012205930003 U CN 2012205930003U CN 201220593000 U CN201220593000 U CN 201220593000U CN 203334141 U CN203334141 U CN 203334141U
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- iron chair
- insulation
- rail
- anchor bolt
- pad
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Abstract
The utility model belongs to the field of urban railway systems and provides a double-impedance single-layer iron retainer plate type vibration damping fastening piece system. The double-impedance single-layer iron retainer plate type vibration damping fastening piece system comprises an elastic strip (2), an under-rail elastic insulation cushion (4), an iron retainer plate (5), an anchor bolt (7), a pitch-adjustment pinch plate (10) and an insulation inserting pipe (12), wherein an insulation coupling cushion (6) is arranged between the iron retainer plate (5) and an under-rail foundation (14), an insulation sleeve (11) is arranged between a nut of the anchor bolt (7) and the pitch-adjustment pinch plate (10), the insulation sleeve (11) is a hollow cylinder with an annular step at the top end, and the insulation sleeve (11) is arranged on the anchor bolt (7) in a sleeved mode. According to the double-impedance single-layer iron retainer plate type vibration damping fastening piece system, due to the adoption of double insulation, requirements for electric insulation of a rail and stray current interference resistance of the rail are met, considerable vibration between a wheel and the rail is reduced when rail vehicles run, high wrenching resistance and high impedance are achieved, and traffic safety is guaranteed.
Description
Technical field
The utility model belongs to the urban track traffic field, is specifically related to a kind of pair of electrical impedance individual layer iron chair Damping fastening system.
Background technology
The development of the City Rail Transit Systems such as domestic subway, light rail is swift and violent, has effectively alleviated the nervous situation of urban traffic.In these a series of construction, fastener system is absolutely necessary, and fastener is the connector of rail and sub rail foundation, and the mode of by spring, withholding rail realizes and being connected of rail, and by anchor bolt, fixing mode realizes and being connected of sub rail foundation.
Due to low price, easy construction, common individual layer iron chair Damping fastening has obtained large-scale application as single toe spring fastener and DTVI2 fastener, but existing common individual layer iron chair Damping fastening still exists some problems.Be entirely metal between the anchor bolt of existing individual layer iron chair Damping fastening and iron chair and be connected, without any insulation measures, the interference of easy generation to the signal of telecommunication when rain or dirt are detained, and not strong to the repellence of stray electrical current.Usually adopt one deck resilient sleeper-bearing between the iron chair of common individual layer iron chair Damping fastening and sub rail foundation, this layer of resilient sleeper-bearing is because anchor bolt is locked fastener, the elastic damping effect can not be brought into play, and has increased the shearing force that anchor bolt is subject to, and affects the anchor bolt life-span.Common individual layer iron chair Damping fastening general spring hole seat and spring contact site mostly are the design of 2 * 45° angle, corner angle are comparatively sharp, spring was installed the continuous cutting that position will be subject to spring hole seat corner angle part, and spring is caused to greatly fatigue damage, greatly reduced application life; But if, firmly too small while installing, spring was installed pine, can cause the elastic-strip pressure deficiency, not have the expection purpose spacing to rail, while causing train to pass through, rail displacement up and down is larger, may exceed spring bullet journey, equally also can cause the spring fracture.
The utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to propose a kind of pair of electrical impedance individual layer iron chair Damping fastening system.
The utility model adopts following technical scheme for completing above-mentioned purpose:
A kind of pair of electrical impedance individual layer iron chair Damping fastening system, described Damping fastening system includes elastic insulated pad under spring, rail, iron chair, anchor bolt, roll adjustment buckle and insulation intubate, have the spring mount pad on described iron chair, described iron chair is individual layer; Under described rail, elastic insulated pad, iron chair are positioned at the below of rail, and under described rail, elastic insulated pad, iron chair from top to bottom arrange; Described fastener system is fixed on sub rail foundation by anchor bolt.
Be provided with insulation coupling pad between described iron chair and sub rail foundation.
The rigidity of described insulation coupling pad is at 200 ~ 2000kN/mm.
On described anchor bolt, arrange in order to the insulation sleeve by anchor bolt and iron chair insulation isolation; Described insulation sleeve is the hollow cylinder that upper end has ring-shaped step, and described insulation sleeve is enclosed within on described anchor bolt.
Be provided with elastic washer and pad between the nut of described anchor bolt and roll adjustment buckle; Described pad is positioned at the bottom of elastic washer; Described insulation sleeve is positioned at pad and roll adjustment buckle, between anchor bolt and iron chair.
The inwall of described insulation sleeve is smooth structure or has the screw thread matched with anchor bolt.
There is the spring hole of inserting in order to spring on described spring mount pad; The spring insertion end in described spring hole has the circular arc chamfering; The arc radius of the above circular arc chamfering of spring hole is greater than 3mm, and than the little 1 ~ 3mm of the radius of spring circular arc.
Between described iron chair and insulation coupling pad, at least one deck height adjusting cushion plate is set.
A kind of pair of electrical impedance individual layer iron chair Damping fastening system the utility model proposes arranges insulation coupling pad between iron chair and sub rail foundation, effectively shortened the length of anchor bolt, reduced its shear action be subject to; Between the nut of anchor bolt and roll adjustment buckle, arrange in order to insulation sleeve; Making between anchor bolt and iron chair has increased an insulating layer, effectively prevents that rainwater, dirt etc. from causing interference to the signal of telecommunication; Under Insulation rail distance keeper and rail, elastic insulated pad forms the first heavily insulation, described insulation sleeve forms the second heavily insulation with insulation coupling pad, the double insulation system has met the requirement of two electrical impedance dual fail-safes of track electric insulation or the interference of anti-track stray electrical current, wheel and track produce large vibration under steam can to reduce rail vehicle, there are again the characteristics of high torsion strength, high electrical resistance, guaranteed traffic safety.
The accompanying drawing explanation
Fig. 1 is that the utility model is used schematic diagram.
Fig. 2 is the Local map of anchor bolt in the utility model.
Fig. 3 is the structural representation of insulation sleeve in the utility model.
The another kind of structural representation that Fig. 4 is insulation sleeve in the utility model.
Fig. 5 is the stereogram of insulation sleeve in the utility model.
Fig. 6, Fig. 7, Fig. 8 are respectively several schematic diagrames of giving an example of spring that the utility model adopts.
Structural representation when Fig. 9 is spring shown in the utility model employing Fig. 8.
Structural representation when Figure 10 is spring shown in the utility model employing Fig. 7.
Structural representation when Figure 11 is spring shown in the utility model employing Fig. 6.
Figure 12 is the related wherein a kind of spring mount pad structural representation of the utility model.
Figure 13 is spring mount pad and spring assembling schematic diagram in the utility model.
Figure 14 is the structural representation that the utility model adopts Insulation rail distance keeper.
Figure 15 is the structural representation that the utility model adopts height adjusting cushion plate.
In figure: 1, rail, 2, spring, 3, Insulation rail distance keeper, 4, elastic insulated pad under rail, 5, iron chair, 6, insulation coupling pad, 7, anchor bolt, 8, pad, 9, spring washer, 10, roll adjustment buckle, 11, insulation sleeve, 12, the insulation intubate, 13, height adjusting cushion plate, 14, sub rail foundation, 15, the insulation sleeve inwall, 16, the circular arc chamfering in spring hole, 17, the spring circular arc.
The specific embodiment
With specific embodiment, the utility model is illustrated by reference to the accompanying drawings:
As shown in Figure 1, and with reference to Fig. 2, a kind of pair of electrical impedance individual layer iron chair Damping fastening system, described Damping fastening system includes elastic insulated pad 4 under spring 2, rail, iron chair 5, anchor bolt 7, roll adjustment buckle 10 and insulation intubate 12; Have the spring mount pad on described iron chair 5, described iron chair 5 is individual layer; Under described rail, elastic insulated pad 4, iron chair 5 are positioned at the below of rail 1, and under described rail, elastic insulated pad 4, iron chair 5 from top to bottom arrange; Described fastener system is fixed on sub rail foundation 14 by anchor bolt 7.
Be provided with insulation coupling pad 6 between described iron chair 5 and sub rail foundation 14, arrange on described anchor bolt 7 in order to the insulation sleeve 11 with iron chair 5 insulation isolation by anchor bolt 7; Described insulation sleeve 11 has the hollow cylinder of ring-shaped step for upper end, and described insulation sleeve 11 is enclosed within on described anchor bolt 7; Be provided with elastic washer 9 and pad 8 between the nut of described anchor bolt 7 and roll adjustment buckle 10; Described pad 8 is positioned at the bottom of elastic washer 9; The ring-shaped step of described insulation sleeve 11 upper ends is between pad 8 and roll adjustment buckle 10, and the hollow cylinder of described insulation sleeve 11 is between anchor bolt 7 and iron chair 5.
In conjunction with Fig. 3, Fig. 4, Fig. 5, the inwall of described insulation sleeve 11 is smooth structure or has the screw thread matched with anchor bolt.
The rigidity of described insulation coupling pad 6 is at 200 ~ 2000kN/mm.
Described spring provides enough buckle presses under certain bullet journey, and to common City Rail Transit System, the scope of buckle press can be 3 ~ 12kN, comprises the low resistance fastener requirement of creeping; For " the zero resistance of creeping " fastener, anti-reversion buckle press is not less than 5kN.In conjunction with Fig. 6-11, provide respectively wherein structural representation and the use state of several springs that can adopt.
In conjunction with Figure 12, Figure 13, provide wherein a kind of structural representation and spring mount pad and spring assembling signal of spring mount pad; The spring mount pad can have the spring hole, also can not have the spring hole.In this embodiment, there is the spring hole of inserting in order to spring on the spring base related to; The spring insertion end in described spring hole has the circular arc chamfering; The arc radius of the above circular arc chamfering of spring hole is greater than 3mm, and than the little 1 ~ 3mm of spring arc radius.
The structure that Figure 14 provides is identical with the agent structure of Fig. 1, between rail and spring mount pad, Insulation rail distance keeper 3 is set.
The structure that Figure 15 provides is identical with the agent structure of Fig. 1, between iron chair 5 and insulation coupling pad 6, height adjusting cushion plate 13 is set.
Described insulation coupling pad, provide coupling between base plate and sub rail foundation, and the fastener spring function is not provided; The rigidity of described insulation coupling pad, at 200 ~ 2000kN/mm, increases the frictional force between base plate and sub rail foundation, greatly reduces the shear action that the fastener anchor bolt is subject to.
When mounted, under described rail, elastic insulated pad 4, iron chair 5, insulation coupling pad 6 are positioned at the below of rail 1 to the utility model, and under described rail, elastic insulated pad 4, iron chair 5, insulation coupling pad 6 from top to bottom arrange; In conjunction with Figure 13, an end of spring 2 inserts in the spring hole of spring mount pad, and the other end is withheld rail 1 by Insulation rail distance keeper 3; Be provided with insulation intubate 11 in described sub rail foundation, described anchor bolt 7 is screwed in the insulation intubate by the hole on iron chair, and fastener is fixed on sub rail foundation 14; Described sub rail foundation is sleeper or railway roadbed, is used for fixing fastener.
When construction, if when whole fastener system need to carry out Height Adjustment, can between iron chair 5 and insulation coupling pad 6, height adjusting cushion plate 13 be set.
Claims (8)
1. a two electrical impedance individual layer iron chair Damping fastening system, it is characterized in that: described Damping fastening system includes elastic insulated pad (4) under spring (2), rail, iron chair (5), anchor bolt (7), roll adjustment buckle (10) and insulation intubate (12), described iron chair has the spring mount pad on (5), and described iron chair (5) is individual layer; Under described rail, elastic insulated pad (4), iron chair (5) are positioned at the below of rail (1), and under described rail, elastic insulated pad (4), iron chair (5) from top to bottom arrange; Described fastener system is fixed on sub rail foundation (14) by anchor bolt (7).
2. a kind of pair of electrical impedance individual layer iron chair Damping fastening system according to claim 1, is characterized in that: be provided with insulation coupling pad (6) between described iron chair (5) and sub rail foundation (14).
3. a kind of pair of electrical impedance individual layer iron chair Damping fastening system according to claim 2 is characterized in that: the rigidity of described insulation coupling pad (6) is at 200 ~ 2000kN/mm.
4. a kind of pair of electrical impedance individual layer iron chair Damping fastening system according to claim 1, is characterized in that: the upper insulation sleeve (11) arranged in order to anchor bolt (7) and iron chair (5) insulation are isolated of described anchor bolt (7); Described insulation sleeve (11) has the hollow cylinder of ring-shaped step for upper end, and described insulation sleeve (11) is enclosed within on described anchor bolt (7).
5. a kind of pair of electrical impedance individual layer iron chair Damping fastening system according to claim 4, is characterized in that: be provided with elastic washer (9) and pad (8) between the nut of described anchor bolt (7) and roll adjustment buckle (10); Described pad (8) is positioned at the bottom of elastic washer (9); Described insulation sleeve (11) is positioned at pad (8) and roll adjustment buckle (10), between anchor bolt (7) and iron chair (5).
6. a kind of pair of electrical impedance individual layer iron chair Damping fastening system according to claim 4, it is characterized in that: the inwall of described insulation sleeve (11) is smooth structure or has the screw thread matched with anchor bolt.
7. a kind of pair of electrical impedance individual layer iron chair Damping fastening system according to claim 1, is characterized in that: have the spring hole of inserting in order to spring on described spring mount pad; The spring insertion end in described spring hole has the circular arc chamfering; The arc radius of the above circular arc chamfering of spring hole is greater than 3mm, and than the little 1 ~ 3mm of the radius of spring circular arc.
8. a kind of pair of electrical impedance individual layer iron chair Damping fastening system according to claim 1, is characterized in that: between described iron chair (5) and insulation coupling pad (6), at least one deck height adjusting cushion plate is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205930003U CN203334141U (en) | 2012-11-12 | 2012-11-12 | Double-impedance single-layer iron retainer plate type vibration damping fastening piece system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205930003U CN203334141U (en) | 2012-11-12 | 2012-11-12 | Double-impedance single-layer iron retainer plate type vibration damping fastening piece system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203334141U true CN203334141U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205930003U Expired - Lifetime CN203334141U (en) | 2012-11-12 | 2012-11-12 | Double-impedance single-layer iron retainer plate type vibration damping fastening piece system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203334141U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158373A (en) * | 2019-06-06 | 2019-08-23 | 武汉坤能轨道系统技术有限公司 | A kind of fastener system suitable for administrative region of a city railway |
| CN111936701A (en) * | 2018-03-29 | 2020-11-13 | 潘得路有限责任公司 | Anchoring assembly for fastening a railway track to an underlying foundation |
-
2012
- 2012-11-12 CN CN2012205930003U patent/CN203334141U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111936701A (en) * | 2018-03-29 | 2020-11-13 | 潘得路有限责任公司 | Anchoring assembly for fastening a railway track to an underlying foundation |
| CN110158373A (en) * | 2019-06-06 | 2019-08-23 | 武汉坤能轨道系统技术有限公司 | A kind of fastener system suitable for administrative region of a city railway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |