CN202830657U - Double-impedance single iron cushion plate damping fastener system - Google Patents
Double-impedance single iron cushion plate damping fastener system Download PDFInfo
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- CN202830657U CN202830657U CN 201220592879 CN201220592879U CN202830657U CN 202830657 U CN202830657 U CN 202830657U CN 201220592879 CN201220592879 CN 201220592879 CN 201220592879 U CN201220592879 U CN 201220592879U CN 202830657 U CN202830657 U CN 202830657U
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- iron chair
- spring
- pad
- rail
- insulation
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Abstract
The utility model belongs to the field of urban mass system, and provides a double-impedance single iron cushion plate damping fastener system. The provided double-impedance single iron cushion plate damping fastener system comprises an elastic strip (2), a sub-rail elastic insulating pad (4), an iron cushion plate (5), an anchoring bolt (7), a distance regulating pinch plate (10) and an insulating insertion pipe (12), wherein an insulating coupling pad (6) is arranged between the iron cushion plate (5) and a sub-rail base (14); an insulating sleeve (11), which is a hollow cylinder with an annular step on the upper end, is arranged between a nut of the anchoring bolt (7) and the distance regulating pinch plate (10); and the insulating sleeve (11) is sleeved on the anchoring bolt (7). A double-insulation system of the damping fastener system meets the requirements on rail electric insulation or rail stray current interference resistance, can be used for reducing large vibration generated between a wheel and the rail in the running process of a rail vehicle, has the characteristics of high torsional resistance and high impedance, and ensures the running safety.
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 withholding rail by spring realizes and being connected of rail, and realizes and being connected of sub rail foundation by the fixing mode of anchor bolt.
Since low price, easy construction, and common individual layer iron chair Damping fastening such as single toe spring fastener and DTVI2 fastener have obtained large-scale application, but existing common individual layer iron chair Damping fastening still exists some problems.The first, be entirely metal between the anchor bolt of existing individual layer iron chair Damping fastening and the iron chair and be connected, without any insulation measures, when rain or dirt are detained easy generation to the interference of the signal of telecommunication, and not strong to the repellence of stray electrical current.Second, usually adopt one deck resilient sleeper-bearing between the iron chair of common individual layer iron chair Damping fastening and the sub rail foundation, this layer resilient sleeper-bearing is because anchor bolt is locked fastener, and the elastic damping effect can not be brought into play, increase the shearing force that anchor bolt is subject to, affected the anchor bolt life-span.The 3rd, the general spring of common individual layer iron chair Damping fastening hole seat with mostly be 2 * 45° angle design with the spring contact site, corner angle are comparatively sharp, spring was installed and will be subject to the continuous cutting partly of spring hole seat corner angle, spring is caused greatly fatigue damage, greatly reduce application life; But if firmly too small when installing, spring was installed pine, then can cause elastic-strip pressure not enough, not have the expection purpose spacing to rail, when causing train to pass through, rail up and down displacement 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 finishing 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, the rail, iron chair, anchor bolt, roll adjustment buckle and insulation intubate, have the spring mount pad on the described iron chair, described iron chair is individual layer; Be provided with insulation coupling pad between described iron chair and the sub rail foundation, corresponding described anchor bolt setting is in order to the insulation sleeve with anchor bolt and iron chair insulation isolation; Described insulation sleeve is the hollow cylinder that the upper end has ring-shaped step, and described insulation sleeve is enclosed within on the described anchor bolt.
A kind of pair of electrical impedance individual layer iron chair Damping fastening system is provided with elastic washer and pad between the nut of described anchor bolt and the roll adjustment buckle, and 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 the iron chair.
A kind of pair of electrical impedance individual layer iron chair Damping fastening system, the inwall of described insulation sleeve is smooth structure or has the screw thread that matches with anchor bolt.
A kind of pair of electrical impedance individual layer iron chair Damping fastening system, the rigidity of described insulation coupling pad is at 200 ~ 2000kN/mm.
A kind of pair of electrical impedance individual layer iron chair Damping fastening system has the spring hole of inserting in order to spring on the 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 radius of spring circular arc.A kind of pair of electrical impedance individual layer iron chair Damping fastening system arranges at least one deck height adjusting cushion plate between described iron chair and the insulation coupling backing plate.
A kind of pair of electrical impedance individual layer iron chair Damping fastening system that 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 that is subject to; Between the nut of anchor bolt and roll adjustment buckle, arrange in order to insulation sleeve; Making has increased an insulating layer between anchor bolt and the iron chair, prevent that effectively rainwater, dirt etc. from causing interference to the signal of telecommunication; Elastic insulated pad consists of the first heavily insulation under Insulation rail distance keeper and the rail, described insulation sleeve consists of the second heavily insulation with insulation coupling pad, the double insulation system has satisfied 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, have again the characteristics of high torsion strength, high electrical resistance, guaranteed traffic safety.
Description of drawings
Fig. 1 is that the utility model uses 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.
Fig. 4 is the another kind of structural representation of 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.
Fig. 9 is the structural representation of the utility model when adopting spring shown in Figure 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.
Among the figure: 1, rail, 2, spring, 3, Insulation rail distance keeper, 4, elastic insulated pad under the 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, the rail, iron chair 5, anchor bolt 7, roll adjustment buckle 10 and insulation intubate 12; Have the spring mount pad on the described iron chair 5, described iron chair 5 is individual layer; Be provided with insulation coupling pad 6 between described iron chair 5 and the sub rail foundation 14, corresponding described anchor bolt 7 arranges in order to the insulation sleeve 11 with anchor bolt 7 and iron chair 5 insulation isolation; Described insulation sleeve 11 has the hollow cylinder of ring-shaped step for the upper end, and described insulation sleeve 11 is enclosed within on the described anchor bolt 7; Be provided with elastic washer 9 and pad 8 between the nut of described anchor bolt 7 and the 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 that matches 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, 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-counter-rotating 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.Among this embodiment, has the spring hole of inserting in order to spring on the spring mount pad that relates 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 3cm, 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 provides coupling between base plate and the sub rail foundation, and the fastener spring function is not provided; The rigidity of described insulation coupling pad increases the frictional force between base plate and the sub rail foundation at 200 ~ 2000kN/mm, greatly reduces the shear action that the fastener anchor bolt is subject to.
The utility model when mounted, elastic insulated pad 4 under the described rail, iron chair 5, insulation coupling pad 6 are positioned at the below of rail 1, and elastic insulated pad 4, iron chair 5, insulation coupling pad 6 from top to bottom arrange under the described rail; 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 the described sub rail foundation, described anchor bolt 7 is screwed in the insulation intubate by the hole on the iron chair, and fastener is fixed on the 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 (6)
1. two electrical impedance individual layer iron chair Damping fastening system, described Damping fastening system includes elastic insulated pad (4) under spring (2), the 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; It is characterized in that: be provided with insulation coupling pad (6) between described iron chair (5) and the sub rail foundation (14), corresponding described anchor bolt (7) arranges in order to the insulation sleeve (11) with anchor bolt (7) and iron chair (5) insulation isolation; Described insulation sleeve (11) has the hollow cylinder of ring-shaped step for the upper end, and described insulation sleeve (11) is enclosed within on the described anchor bolt (7).
2. according to claim 1 pair of electrical impedance individual layer iron chair Damping fastening system, it is characterized in that: be provided with elastic washer (9) and pad (8) between the nut of described anchor bolt (7) and the 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 the iron chair (5).
3. according to claim 1 pair of electrical impedance individual layer iron chair Damping fastening system, it is characterized in that: the inwall of described insulation sleeve (11) is smooth structure or has the screw thread that matches with anchor bolt.
4. according to claim 1 pair of electrical impedance individual layer iron chair Damping fastening system is characterized in that: the rigidity of described insulation coupling pad (6) is at 200 ~ 2000kN/mm.
5. according to claim 1 pair of electrical impedance individual layer iron chair Damping fastening system is characterized in that: have the spring hole of inserting in order to spring on the 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 radius of spring circular arc.
6. according to claim 1 pair of electrical impedance individual layer iron chair Damping fastening system is characterized in that: between described iron chair and the insulation coupling backing plate at least one deck height adjusting cushion plate is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220592879 CN202830657U (en) | 2012-11-12 | 2012-11-12 | Double-impedance single iron cushion plate damping fastener system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220592879 CN202830657U (en) | 2012-11-12 | 2012-11-12 | Double-impedance single iron cushion plate damping fastener system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202830657U true CN202830657U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220592879 Expired - Lifetime CN202830657U (en) | 2012-11-12 | 2012-11-12 | Double-impedance single iron cushion plate damping fastener system |
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| Country | Link |
|---|---|
| CN (1) | CN202830657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105648850A (en) * | 2016-01-21 | 2016-06-08 | 连云港凯帝重工科技有限公司 | Method for insulating steel rails from concrete |
| CN109423924A (en) * | 2017-09-04 | 2019-03-05 | 洛阳双瑞橡塑科技有限公司 | A kind of anti-fan's stream fastener |
-
2012
- 2012-11-12 CN CN 201220592879 patent/CN202830657U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105648850A (en) * | 2016-01-21 | 2016-06-08 | 连云港凯帝重工科技有限公司 | Method for insulating steel rails from concrete |
| CN109423924A (en) * | 2017-09-04 | 2019-03-05 | 洛阳双瑞橡塑科技有限公司 | A kind of anti-fan's stream fastener |
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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 |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |