CN203007738U - Blocking-shoulder-free fastener component - Google Patents
Blocking-shoulder-free fastener component Download PDFInfo
- Publication number
- CN203007738U CN203007738U CN 201220511752 CN201220511752U CN203007738U CN 203007738 U CN203007738 U CN 203007738U CN 201220511752 CN201220511752 CN 201220511752 CN 201220511752 U CN201220511752 U CN 201220511752U CN 203007738 U CN203007738 U CN 203007738U
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- rail
- fastener assembly
- shoulder
- height adjusting
- cushion plate
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Abstract
The utility model discloses a blocking-shoulder-free fastener component, and relates to the field of railway tracks. According to the blocking-shoulder-free fastener component, the heights and the left-right positions of steel rails can be adjusted after paving of the steel rails is completed. The blocking-shoulder-free fastener component comprises an elastic strip, an under-rail base plate, a pre-buried iron base, an insulation rail gauge block, a gauge apron plate with an n-typed section, an under-rail heightening base plate, a T-typed bolt, a flat washer and a nut. A first through hole is formed in the center of the top of the gauge apron plate. The head part of the T-typed bolt is downwards arranged in a groove with a trapezoidal section in the pre-buried iron base, the T-typed bolt sequentially penetrates through the first through hole of the gauge apron plate, the middle part of the elastic strip, the flat washer and the nut from bottom to top, and the elastic strip is locked and fixed under the collective action of the T-typed bolt, the nut and the flat washer. One end of the elastic strip abuts against on the insulation rail gauge block in a buckled mode, and the other end of the elastic strip abuts against on the shoulder of the gauge apron plate in a buckled mode.
Description
Technical field
The utility model relates to the railroad track field, relates in particular to a kind of non-shoulder fastener assembly.
Background technology
The fastener assembly is a kind of common components of railroad track, generally includes the non-shoulder fastener and two kinds of shoulder block fasteners are arranged.Fig. 1 is respectively the structural representation of existing non-shoulder fastener assembly, and as shown in Figure 1, existing non-shoulder fastener assembly comprises preburied iron base 3 ', spring 4 ', railway rail pad 5 ' and Insulation rail distance keeper 6 '; Preburied iron base 3 ' is embedded in the sleeper 1 ' of concrete system, is provided with Insulation rail distance keeper 6 ' between rail 2 ' and preburied iron base 3 '.The transverse load that train imposes on rail 2 ' passes to Insulation rail distance keeper 6 ' by rail 2 ', is passed to afterwards on preburied iron base 3 ', bears this transverse load by preburied iron base 3 '.Insulation rail distance keeper 6 ' and the upper spring 4 ' that arranges of preburied iron base 3 ' can play the fixedly effect of rail of withholding.
The inventor finds that there are following 2 deficiencies at least in the structure of this fastener assembly in the process of practice:
1, do not establish bolt on preburied iron base 3 ', and spring 4 ' can't be adjusted at the complete rear height to rail of steel rail laying by withholding rail in the hole of directly inserting preburied iron base 3 ' upper reservation.
2, only be provided with Insulation rail distance keeper 6 ' between rail and preburied iron base 3 ', because the model of Insulation rail distance keeper 6 ' is limited, therefore can't after steel rail laying is complete, carry out the adjustment of position, left and right in a big way to location of rail.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of non-shoulder fastener assembly, can after steel rail laying is complete, height or its position, left and right of rail be adjusted.
For solving the problems of the technologies described above, the utility model non-shoulder fastener assembly adopts following technical scheme:
A kind of non-shoulder fastener assembly, described non-shoulder fastener assembly is used for rail is fixedly installed on sleeper, described non-shoulder fastener assembly comprises spring, railway rail pad, preburied iron base and Insulation rail distance keeper, be provided with described railway rail pad between described rail and sleeper, it is up-small and down-big trapezoidal groove that the middle part of described preburied iron base has the cross section, and described non-shoulder fastener assembly also comprises: the cross section is height adjusting cushion plate under the gauge apron, rail of N-shaped, T-shaped bolt, plain washer and nut;
wherein, under described rail, height adjusting cushion plate is between described railway rail pad and sleeper, the top of described gauge apron is provided with first through hole at the center at a top that is positioned at described gauge apron, the described cross section that the head of described T-shaped bolt is arranged at described preburied iron base downwards is in trapezoidal groove, described T-shaped bolt passes the first through hole of described gauge apron from bottom to top successively, the middle part of described spring, described plain washer and described nut, described T-shaped bolt, described nut and described plain washer acting in conjunction are locked described spring, one end deduction of described spring is on described Insulation rail distance keeper, other end deduction is at the shoulder of described gauge apron.
Further, have two columnar protrusions on the end face of described preburied iron base, described cross section is that trapezoidal groove is between described two columnar protrusions.
Further, described gauge apron has the second identical through hole that two symmetries are positioned at the both sides of described the first through hole.
Further, two of described preburied iron base columnar protrusions are sheathed on respectively in two the second identical through holes of described gauge apron.
Preferably, described non-shoulder fastener assembly also comprises flat bottom height adjusting cushion plate, described bottom height adjusting cushion plate is arranged under described rail between height adjusting cushion plate and described sleeper, the middle part of passing successively described bottom height adjusting cushion plate, the first through hole of described gauge apron, described spring from bottom to top of described T-shaped bolt, described plain washer and described nut.
Preferably, described bottom height adjusting cushion plate comprises identical first and second portion, described first and described second portion are tabular, described first has a projection and a depression, described second portion has a projection and a depression, the projection of described first and depression are mated with depression and the projection of described second portion respectively, are combined into described flat bottom height adjusting cushion plate so that described first and described second portion fasten mutually.
Further, described bottom height adjusting cushion plate has the through hole that matches with described preburied iron base.
Preferably, have at least two chucking lugs that are positioned at sustained height on described preburied iron base.
Preferably, the material of described spring is 60Si2MnA, and described spring is the ω type, and the fatigue range of described spring is-1 millimeter to 0.5 millimeter.
Preferably, the material of described Insulation rail distance keeper is glass fiber reinforced polyamide 66.
In the technical scheme of the present embodiment, a kind of non-shoulder fastener assembly is provided, this non-shoulder fastener assembly utilizes the cooperation between T-shaped bolts and nuts to be fixed, can be in the cooperation of regulating between T-shaped bolts and nuts, the gauge apron and the Insulation rail distance keeper model that arrange by replacing, can adjust the position, left and right of rail according to actual needs, similarly, the model of height adjusting cushion plate under rail can be set by replacing, height to rail is adjusted, and simple, the easy row of method of adjustment.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, during the below will describe embodiment, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the non-shoulder fastener assembly of prior art;
Fig. 2 is the structural representation of the non-shoulder fastener assembly in the utility model embodiment;
Fig. 3 a is the top view of the gauge apron in the utility model embodiment;
Fig. 3 b is that Fig. 3 a is along the sectional view of A-A line;
Fig. 4 is the front view of the preburied iron base in the utility model embodiment;
Fig. 5 is the left view of the preburied iron base in the utility model embodiment;
Fig. 6 is the front view one of the height adjusting cushion plate in the utility model embodiment;
Fig. 7 is the front view two of the height adjusting cushion plate in the utility model embodiment.
The specific embodiment
The utility model embodiment provides a kind of non-shoulder fastener assembly, can after steel rail laying is complete, height or its position, left and right of rail be adjusted.
Below in conjunction with accompanying drawing, the utility model embodiment is described in detail.
described non-shoulder fastener assembly is used for rail 2 is fixedly installed on sleeper 1, as shown in Figure 2, described non-shoulder fastener assembly comprises preburied iron base 3, spring 4, railway rail pad 5, the cross section is the Insulation rail distance keeper 6 of L-type and the gauge apron 7 that the cross section is N-shaped, wherein, be provided with described railway rail pad 5 between described rail 2 and sleeper 1, the middle part of described preburied iron base 3 have the cross section be up-small and down-big trapezoidal groove 31(as shown in Figure 4), described non-shoulder fastener assembly also comprises: T-shaped bolt 8, plain washer 9, under nut 10 and rail, height adjusting cushion plate 11
wherein, under described rail, height adjusting cushion plate 11 is between described railway rail pad 5 and sleeper 1, the top of described gauge apron 7 is provided with the first through hole 71(at center at a top that is positioned at described gauge apron 7 as shown in Fig. 3 a and Fig. 3 b), the described cross section that the head of described T-shaped bolt 8 is arranged at described preburied iron base 3 downwards is in trapezoidal groove 31, described T-shaped bolt 8 passes the first through hole 71 of described gauge apron 7 from bottom to top successively, the middle part of described spring 4, described plain washer 9 and described nut 10, described T-shaped bolt 8, described nut 10 and 9 actings in conjunction of described plain washer are locked described spring 4, one end deduction of described spring 4 is on described Insulation rail distance keeper 6, other end deduction is at the shoulder 72 of described gauge apron 7.
As shown in Fig. 3 b, the top place of described gauge apron 7 is provided with boss, the boss side is provided with the depression that the cross section is circular arc, form the shoulder 72 of gauge apron 7, make spring 4 can firmly deduct at shoulder 72 places of described gauge apron 7, can be because of the effect of the transverse load of rail 2 and the shoulder 72 of the described gauge apron 7 that slips away, guaranteed the steadiness of non-shoulder fastener assembly integral body.
Usually, it is available that Insulation rail distance keeper 6 and gauge apron 7 all have different numbers, thus, by selecting jack per station Insulation rail distance keeper 6 and gauge apron 7 coordinates, the position, left and right of adjusting rail 2 that can be in a big way, in order to after rail 2 is installed, rail 2 is adjusted, guarantee the gauge of circuit and rail to.
Further, by height adjusting cushion plate 11 under the rail of selecting different-thickness, rail 2 can be regulated to a certain extent with respect to the height of sleeper 1 in the collocation position of adjusting nut 10 on T-shaped bolt 8.Common, under described rail, height adjusting cushion plate 11 is the square plate structure.
Further, as shown in Figure 4, have two columnar protrusions 32 on the end face of described preburied iron base 3, described cross section is that trapezoidal groove 31 specifically can be between described two columnar protrusions 32.
In order to coordinate described preburied iron base 3, as shown in Fig. 3 a, described gauge apron 7 has the second identical through hole 73 that two symmetries are positioned at the both sides of described the first through hole 71.Two columnar protrusions 32 of described preburied iron base 3 are sheathed on respectively in described two the second identical through holes 73, and are general, and the cross sectional shape of the second through hole 73 is according to the shape design of columnar protrusions 32.
By the left-hand component of Fig. 2 as can be known, the cross section of Insulation rail distance keeper 6 is L-type, its medial surface is close to the edge of the bottom of rail 2, fit in one plane of the lateral surface relative with its medial surface and gauge apron 7, in addition, gauge apron 7 is fitted with the medial surface of the part of Insulation rail distance keeper 6 applyings and a side of columnar protrusions 32, make from the transmission successively via Insulation rail distance keeper 6, gauge apron 7 of the transverse load of rail 2, be delivered on preburied iron base 3, born by the sleeper 1 that partly wraps up preburied iron base 3 at last.
The below describes the method that in the utility model embodiment, the non-shoulder fastener is withheld rail of using in detail.In advance the pre-buried part of preburied iron base 3 is imbedded in sleeper 1, the head of T-shaped bolt 8 is pushed in the groove of described preburied iron base 3, the second through hole 73 of gauge apron 7 is passed the columnar protrusions 32 of preburied iron base 3, railway rail pad 5 is placed in the space of two preburied iron bases, 3 formation, makes the Surface Contact of railway rail pad 5 bottoms and sleeper 1; Then rail 2 is placed on railway rail pad 5 above, lay Insulation rail distance keeper 6 respectively between rail 2 and gauge apron 7, again the two ends of spring 2 are taken respectively on the end face of the shoulder 72 that is placed on described gauge apron 7 and Insulation rail distance keeper 6, at last, plain washer 9 and nut 10 are arranged on T-shaped bolt 8 successively and fastening, can complete the installation process of described non-shoulder fastener assembly.Regulate rail 2 with respect to the height of sleeper 1 as need, also can set up height adjusting cushion plate 11 under rail below railway rail pad 5.
As shown in the right half part of Fig. 2, in order to regulate largely rail 2 with respect to the height of sleeper 1, above-mentioned non-shoulder fastener assembly also can comprise flat bottom height adjusting cushion plate 12, under described rail, height adjusting cushion plate 11 is arranged at below railway rail pad 5, bottom height adjusting cushion plate 12 is arranged under described rail between height adjusting cushion plate 11 and described sleeper 1, first through hole 71 that passes successively bottom height adjusting cushion plate 11, described gauge apron 7 from bottom to top of described T-shaped bolt 8, middle part, described plain washer 9 and the described nut 10 of described spring 4.
because common rail 2 just carries out the adjustment of height according to actual needs after installing, put into rail 2 belows for the ease of bottom height adjusting cushion plate 12, described bottom height adjusting cushion plate 12 is generally dismountable structure, concrete described bottom height adjusting cushion plate 12 comprises identical first 121 and second portion 122, as shown in Figure 6 and Figure 7, described first 121 is tabular with described second portion 122, described first 121 has a projection 1211 and a depression 1212, same, described second portion 122 has a projection 1221 and a depression 1222, the projection 1211 of described first and depression 1212 are mated with depression 1222 and the projection 1221 of described second portion respectively, so that fastening mutually, described first 121 and described second portion 122 be combined into described flat bottom height adjusting cushion plate 12.
Specifically when mounted, can be after rail 2 and whole non-shoulder fastener assembly be installed, then select whether to need to add according to actual needs height adjusting cushion plate 11 and bottom height adjusting cushion plate 12 under rail, install, debugging is convenient.
As shown in the right half part of Fig. 2, bottom height adjusting cushion plate 12 is larger usually, can be arranged between gauge apron 7 and sleeper 1, cushions whole gauge apron 7, and at this moment, gauge apron 7 can move up along the columnar protrusions 32 of preburied iron base 3.Equally owing to having columnar protrusions 32 on described preburied iron base 3, thereby as shown in Figure 6, described bottom height adjusting cushion plate 12 can have the through hole 123 that matches with the columnar protrusions 32 of described preburied iron base 3, and two preburied iron bases 3 on rail 2 both sides are arranged at respectively in two through holes 123.
As shown in Figure 4 and Figure 5, have at least two chucking lugs 33 that are positioned at sustained height on described preburied iron base 3, when the end face of chucking lug 33 and sleeper 1 surperficial equal, show that preburied iron base 3 is arranged at the position that presets, can carry out the installation work of described non-shoulder fastener assembly miscellaneous part.
The material of described spring 4 is 60Si2MnA, described spring 4 is the ω type, concrete, the left limb that described spring 4 is connected by left arm, with left arm, right arm, the right limb that is connected with right arm and the middle limb one that is connected with left arm, right arm consist of, middle limb is inverted U-shaped body, and the fatigue range of described spring 4 is-1 millimeter to 0.5 millimeter.
Further, the material of described Insulation rail distance keeper 6 is glass fiber reinforced polyamide 66.Described bottom height adjusting cushion plate 12 is made for insulation materials, has guaranteed to insulate between described non-shoulder fastener assembly and sleeper.
In the technical scheme of the present embodiment, a kind of non-shoulder fastener assembly is provided, this non-shoulder fastener assembly utilizes the cooperation between T-shaped bolts and nuts to be fixed, can be in the cooperation of regulating between T-shaped bolts and nuts, the gauge apron and the Insulation rail distance keeper model that arrange by replacing, can adjust the position, left and right of rail according to actual needs, similarly, the model of height adjusting cushion plate and bottom height adjusting cushion plate under rail can be set by replacing, height to rail is adjusted, and simple, the easy row of method of adjustment.
The above; it is only the specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (10)
1. non-shoulder fastener assembly, described non-shoulder fastener assembly is used for rail is fixedly installed on sleeper, described non-shoulder fastener assembly comprises spring, railway rail pad, preburied iron base and Insulation rail distance keeper, be provided with described railway rail pad between described rail and sleeper, it is characterized in that, it is up-small and down-big trapezoidal groove that the middle part of described preburied iron base has the cross section, and described non-shoulder fastener assembly also comprises: the cross section is height adjusting cushion plate under the gauge apron, rail of N-shaped, T-shaped bolt, plain washer and nut;
wherein, under described rail, height adjusting cushion plate is between described railway rail pad and described sleeper, the top of described gauge apron is provided with first through hole at the center at a top that is positioned at described gauge apron, the described cross section that the head of described T-shaped bolt is arranged at described preburied iron base downwards is in trapezoidal groove, described T-shaped bolt passes the first through hole of described gauge apron from bottom to top successively, the middle part of described spring, described plain washer and described nut, described T-shaped bolt, described nut and described plain washer acting in conjunction are locked described spring, one end deduction of described spring is on described Insulation rail distance keeper, other end deduction is at the shoulder of described gauge apron.
2. non-shoulder fastener assembly according to claim 1, is characterized in that, has two columnar protrusions on the end face of described preburied iron base, and described cross section is that trapezoidal groove is between described two columnar protrusions.
3. non-shoulder fastener assembly according to claim 1, is characterized in that, described gauge apron has the second identical through hole that two symmetries are positioned at the both sides of described the first through hole.
4. non-shoulder fastener assembly according to claim 3, is characterized in that,
Two columnar protrusions of described preburied iron base are sheathed on respectively in two the second identical through holes of described gauge apron.
5. according to claim 1-4 arbitrary described non-shoulder fastener assemblies, it is characterized in that, also comprise flat bottom height adjusting cushion plate, described bottom height adjusting cushion plate is arranged under described rail between height adjusting cushion plate and described sleeper, the middle part of passing successively described bottom height adjusting cushion plate, the first through hole of described gauge apron, described spring from bottom to top of described T-shaped bolt, described plain washer and described nut.
6. non-shoulder fastener assembly according to claim 5, is characterized in that,
Described bottom height adjusting cushion plate comprises identical first and second portion, described first and described second portion are tabular, described first has a projection and a depression, described second portion has a projection and a depression, the projection of described first and depression are mated with depression and the projection of described second portion respectively, are combined into described flat bottom height adjusting cushion plate so that described first and described second portion fasten mutually.
7. non-shoulder fastener assembly according to claim 6, is characterized in that,
Described bottom height adjusting cushion plate has the through hole that matches with described preburied iron base.
8. non-shoulder fastener assembly according to claim 1, is characterized in that,
Have at least two chucking lugs that are positioned at sustained height on described preburied iron base.
9. non-shoulder fastener assembly according to claim 1, is characterized in that,
The material of described spring is 60Si2MnA, and described spring is the ω type, and the fatigue range of described spring is-1 millimeter to 0.5 millimeter.
10. non-shoulder fastener assembly according to claim 1, is characterized in that,
The material of described Insulation rail distance keeper is glass fiber reinforced polyamide 66.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511752 CN203007738U (en) | 2012-09-29 | 2012-09-29 | Blocking-shoulder-free fastener component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511752 CN203007738U (en) | 2012-09-29 | 2012-09-29 | Blocking-shoulder-free fastener component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203007738U true CN203007738U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220511752 Expired - Lifetime CN203007738U (en) | 2012-09-29 | 2012-09-29 | Blocking-shoulder-free fastener component |
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| Country | Link |
|---|---|
| CN (1) | CN203007738U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442392A (en) * | 2015-12-31 | 2016-03-30 | 洛阳双瑞橡塑科技有限公司 | W-shaped elastic strip fastener system for preventing steel rail from tumbling |
| CN107036892A (en) * | 2017-05-27 | 2017-08-11 | 西南交通大学 | Spring fatigue experimental device and spring fatigue test method |
| CN108265571A (en) * | 2017-01-03 | 2018-07-10 | 洛阳科博思新材料科技有限公司 | A kind of Damping fastening system |
| WO2020053145A1 (en) * | 2018-09-13 | 2020-03-19 | Vossloh-Werke Gmbh | Guide plate and rail fastening point |
| CN111395071A (en) * | 2020-02-19 | 2020-07-10 | 中铁第一勘察设计院集团有限公司 | Height adjusting assembly and method for pre-buried iron seat fastener of ballastless track with elastic supporting block |
| CN111501429A (en) * | 2020-05-20 | 2020-08-07 | 中铁隆昌铁路器材有限公司 | Tram track fastener |
| WO2021035845A1 (en) * | 2019-08-23 | 2021-03-04 | 北京铁科首钢轨道技术股份有限公司 | Fastener assembly for ballast track |
| CN112941979A (en) * | 2021-03-12 | 2021-06-11 | 中原利达铁路轨道技术发展有限公司 | Height-adjustable elastic strip fastener structure for heavy freight railway |
-
2012
- 2012-09-29 CN CN 201220511752 patent/CN203007738U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442392A (en) * | 2015-12-31 | 2016-03-30 | 洛阳双瑞橡塑科技有限公司 | W-shaped elastic strip fastener system for preventing steel rail from tumbling |
| CN105442392B (en) * | 2015-12-31 | 2018-01-19 | 洛阳双瑞橡塑科技有限公司 | The ω elastic bar fastener systems that a kind of anti-rail topples |
| CN108265571A (en) * | 2017-01-03 | 2018-07-10 | 洛阳科博思新材料科技有限公司 | A kind of Damping fastening system |
| CN108265571B (en) * | 2017-01-03 | 2023-11-17 | 洛阳科博思新材料科技有限公司 | Vibration reduction fastener system |
| CN107036892A (en) * | 2017-05-27 | 2017-08-11 | 西南交通大学 | Spring fatigue experimental device and spring fatigue test method |
| WO2020053145A1 (en) * | 2018-09-13 | 2020-03-19 | Vossloh-Werke Gmbh | Guide plate and rail fastening point |
| CN112771228A (en) * | 2018-09-13 | 2021-05-07 | 福斯罗扣件系统有限公司 | Guide plate and guide rail fixing point |
| WO2021035845A1 (en) * | 2019-08-23 | 2021-03-04 | 北京铁科首钢轨道技术股份有限公司 | Fastener assembly for ballast track |
| CN111395071A (en) * | 2020-02-19 | 2020-07-10 | 中铁第一勘察设计院集团有限公司 | Height adjusting assembly and method for pre-buried iron seat fastener of ballastless track with elastic supporting block |
| CN111501429A (en) * | 2020-05-20 | 2020-08-07 | 中铁隆昌铁路器材有限公司 | Tram track fastener |
| CN112941979A (en) * | 2021-03-12 | 2021-06-11 | 中原利达铁路轨道技术发展有限公司 | Height-adjustable elastic strip fastener structure for heavy freight railway |
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Granted publication date: 20130619 |