CN111979849A - Pre-embedded fastener for railway track - Google Patents
Pre-embedded fastener for railway track Download PDFInfo
- Publication number
- CN111979849A CN111979849A CN202010978229.8A CN202010978229A CN111979849A CN 111979849 A CN111979849 A CN 111979849A CN 202010978229 A CN202010978229 A CN 202010978229A CN 111979849 A CN111979849 A CN 111979849A
- Authority
- CN
- China
- Prior art keywords
- rail
- buried
- fastener
- backing plate
- steel rail
- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
- E01B9/28—Fastening on wooden or concrete sleepers or on masonry with clamp members
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
- E01B9/28—Fastening on wooden or concrete sleepers or on masonry with clamp members
- E01B9/30—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/66—Rail fastenings allowing the adjustment of the position of the rails, so far as not included in the preceding groups
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
- E01B9/681—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by the material
Abstract
The invention relates to a pre-buried fastener for a railway track, which comprises a fastener device and a base plate device, wherein the fastener device is arranged between a supporting block of the railway track, which is connected with an under-rail foundation, and a steel rail, the steel rail is laid on the supporting block, pre-buried iron seats are respectively arranged on the upper bearing surfaces of the supporting blocks at two sides of the steel rail, two sides of the steel rail are respectively fixed on the pre-buried iron seats through the fastener device, the base plate device is arranged between the supporting block and the steel rail, and the height of the steel rail can be adjusted through the base plate device. Through setting up the backing plate device, can adjust the height of railway rails, satisfy the track user demand, when need not heighten, directly withdraw from the backing plate device can, convenient to use, and easy to operate, with pre-buried iron seat pre-buried in the sleeper in advance, install the fastener device on pre-buried iron seat again, rely on the pre-buried power of pre-buried iron seat to guarantee the stable in structure of fastener device, through holding rail face backing plate and the cooperation of rail bed plate realization heightening demand.
Description
Technical Field
The invention relates to the technical field of railway engineering, in particular to a pre-buried fastener for a railway track.
Background
The fastener is a device for fixing the steel rail in the rail transit, is an important component of a rail structure, and has the functions of connecting the steel rail and the undersized foundation into a whole, transmitting the force borne by the steel rail to the undersized foundation, keeping the correct position of the steel rail, preventing the steel rail from generating longitudinal and transverse displacement, providing certain rail elasticity and playing a role in vibration and noise reduction.
The intercity railway has important significance for railway transportation in China as extension of urban rail transit and supplement of high-speed railway. At present, fasteners for intercity railways are generally designed based on urban rail transit fasteners or high-speed railway fasteners, the structure is relatively complex, the manufacturing cost is high, and popularization and application of the intercity railways are not facilitated. The pre-buried fastener has the characteristics of simple structure, low cost and stable structure, but has no application in the construction of intercity railways because of limited height-adjusting capacity.
In addition, the fastener in the prior art has serious damage to other components due to the transverse displacement of the steel rail when and after the vehicle passes through, thereby greatly wasting cost and resources and also reducing the service life.
Disclosure of Invention
In view of the above, it is desirable to provide a pre-buried fastener for a railway track that can be adjusted in height.
The invention is realized in this way, a pre-buried fastener for railway track, including a fastener device, the fastener device is installed between the supporting block of the railway track connected with the rail foundation and the steel rail, the steel rail is laid on the supporting block, the upper bearing surface of the supporting block at both sides of the steel rail is respectively provided with a pre-buried iron seat, both sides of the steel rail are respectively fixed on the pre-buried iron seat through the fastener device, the fastener device also includes a backing plate device, the backing plate device is arranged between the supporting block and the steel rail, the height of the steel rail can be adjusted through the backing plate device, the backing plate device includes a bearing surface backing plate, a rail lower backing plate and an elastic backing plate, the bearing surface backing plate is laid on the upper bearing surface of the supporting block and is under the steel rail, the rail lower backing plate is laid on the bearing surface backing plate, the elastic backing plate is laid on the rail lower backing plate, the steel rail is arranged on the elastic base plate, and the rail bearing surface base plate, the rail lower base plate and the elastic base plate are detachably mounted.
Furthermore, the fastener device comprises a bolt device and elastic strips, the elastic strips are arranged on two sides of the steel rail respectively, each elastic strip is provided with one bolt device, one end of each elastic strip is arranged on the steel rail, the other end of each elastic strip is arranged on the upper bearing surface of the bearing block, one end of each bolt device penetrates through the middle of each elastic strip and is connected with the embedded iron seat, and the steel rail is fastened through elastic pressure generated by screwing of the bolt devices.
Furthermore, the bolt device comprises a nut, a flat washer and a T-shaped bolt, one end of the T-shaped bolt is T-shaped, the other end of the T-shaped bolt is provided with a thread matched with the nut, the T-shaped end of the T-shaped bolt is connected with the embedded iron seat, the thread end penetrates through the elastic strip and is screwed with the nut, the flat washer is arranged between the nut and the elastic strip, and the flat washer is pressed towards the direction of the elastic strip and is fastened in the screwing process of the nut.
The rail gauge baffle is arranged on the embedded iron seats, one side, close to the steel rail, of the rail gauge baffle is tightly attached to the steel rail, two sides of the steel rail are fastened between the two embedded iron seats through the rail gauge baffle, and one end, located on the upper bearing surface of the bearing block, of the elastic strip is arranged at the top end of the rail gauge baffle.
The rail gauge structure further comprises an insulating gauge block, wherein the insulating gauge block is arranged between the elastic strip and the steel rail, the insulating gauge block is buckled on the steel rail, one end of the elastic strip is buckled on the insulating gauge block, and the elastic strip is not in contact with the steel rail.
Furthermore, be equipped with on the pre-buried iron seat with the T type end of T type bolt is mutually supported the draw-in groove, the T type end of T type bolt with can dismantle the joint between the pre-buried iron seat.
Furthermore, the bottom of the gauge baffle is provided with a groove matched with the embedded iron seat, the gauge baffle is clamped and fixed on the embedded iron seat through the groove, the gauge baffle is provided with a through hole for the bolt device to pass through, and the gauge baffle is in contact with the upper bearing surface of the bearing block.
Furthermore, the top of the gauge baffle is provided with a sinking groove for supporting a limiting elastic strip, and one end of the elastic strip, which is in contact with the gauge baffle, is buckled and pressed in the sinking groove.
Further, the bearing rail surface backing plate is split type, and is the combination of two backing plates, wherein is equipped with on one backing plate to be greater than semicircular arch, is equipped with on another piece with protruding mutually supporting with the size embedded groove, the position of mutual contact all is equipped with the C type groove of mutually supporting that is used for pre-buried iron seat to pass on two backing plates, when two backing plates lock, the through-hole that pre-buried iron seat passed is formed to the C type recess of mutually supporting.
The pre-buried fastener for the railway track has the advantages that:
1. through setting up the backing plate device, can adjust the height of railway rails, satisfy the track user demand, when need not heighten, the backing plate device of directly withdrawing from can, convenient to use, and easy to operate.
2. Through the combination form with fastener device design for bolt device and bullet strip, not only can fasten the track, in operating condition, the bullet strip has the effect of buffering again moreover, makes orbital fixity can improve.
3. Through the combination form with bolt device design for nut, plain washer and T type bolt, can dismantle the joint between the T type end of T type bolt and the pre-buried iron seat, be convenient for install and dismantle, the maintenance in the later stage of being convenient for uses the plain washer, and mode nut and bullet strip direct contact avoid damaging the bullet strip, improve life.
4. The gauge baffle and the insulating gauge block are arranged and are respectively used for supporting two ends of the elastic strip, the gauge baffle has another function of providing transverse support for the steel rail, the gauge of the steel rail can be adjusted, and the gauge baffle adopts a structure, so that the structure is simplified on the basis of ensuring the strength, the weight is reduced, and the cost is reduced; insulating gauge block
5. The rail bearing surface base plate adopts a split design and is designed into a combined body of two base plates, wherein one base plate is provided with a bulge which is larger than a semicircle, and the other base plate is provided with an embedded groove which is matched with the bulge and has the same size, and the structure can effectively prevent the rail bearing surface base plate from jumping out;
and the mutually matched C-shaped grooves for the pre-buried iron seat to pass through are arranged at the mutually contacted positions on the two backing plates, and when the two backing plates are buckled, the mutually matched C-shaped grooves form through holes for the pre-buried iron seat to pass through so as to conveniently install the backing plate for bearing the rail surface after the steel rail is laid.
6. Through design rail lower bolster and elastic backing plate, and demountable installation's mode installation, the later stage installation and the change of being convenient for, elastic backing plate has fine cushioning effect moreover, protection rail that can be fine.
7. According to the pre-buried fastener for the railway track, the pre-buried iron base is pre-buried in the sleeper in advance, the fastener device is installed on the pre-buried iron base, the stable structure of the fastener device is guaranteed by means of the pre-buried force of the pre-buried iron base, the height adjusting requirement is met by matching the rail bearing surface base plate, the rail lower base plate and the elastic base plate, and when the height raising position needs to be lowered, one or more of the rail bearing surface base plate, the rail lower base plate and the elastic base plate can be properly detached to reduce the height.
8. Adopt elastic backing plate and rail contact, can effectively avoid the skew of the horizontal direction of rail, elastic backing plate has the effect that resets, when using, the position of rail can be guaranteed, if what the rail below adopted is not elastic backing plate, but the rigidity backing plate, when the car passes through, rail and rigidity backing plate straight line produce horizontal micrometric displacement, and can not reset completely, thereby produce very big damage to insulating gauge block and bullet strip, adopt elastic backing plate and rail contact, not only increase frictional force, and the reinforcing ability that resets, reduce the damage to insulating gauge block and bullet strip, increase of service life.
Drawings
FIG. 1 is a schematic structural view of a pre-buried fastener for a railway track according to the present invention;
FIG. 2 is an exploded view of an embedment fastener for a railway track of the present invention;
FIG. 3 is a schematic structural view of an embedded fastener for a railway track in a height-adjusted state according to the present invention;
FIG. 4 is a schematic structural view of an embedded fastener for a railway track in a non-heightened state according to the present invention;
FIG. 5 is a schematic view of a matching structure of the gauge apron and the embedded iron seat;
FIG. 6 is a perspective view of a gage plate;
FIG. 7 is a front view of the gage baffle;
FIG. 8 is a schematic view of the construction of a single pad on the rail bearing pad;
FIG. 9 is an assembled view of the rail bearing surface pad;
fig. 10 is a schematic view of a support block structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 10, fig. 1 is a schematic structural view of an embedded fastener for a railway track according to the present invention; FIG. 2 is an exploded view of an embedment fastener for a railway track of the present invention; FIG. 3 is a schematic structural view of an embedded fastener for a railway track in a height-adjusted state according to the present invention; FIG. 4 is a schematic structural view of an embedded fastener for a railway track in a non-heightened state according to the present invention; FIG. 5 is a schematic view of a matching structure of the gauge apron and the embedded iron seat; FIG. 6 is a perspective view of a gage plate; FIG. 7 is a front view of the gage baffle; FIG. 8 is a schematic view of the construction of a single pad on the rail bearing pad; FIG. 9 is an assembled view of the rail bearing surface pad; fig. 10 is a schematic view of a support block structure.
The utility model provides a pre-buried formula fastener for railway rails, includes fastener device 10, fastener device 10 installs between railway rails's the supporting block 20 and the rail 30 of being connected with the undersized basis, and rail 30 lays in on the supporting block 20, be equipped with pre-buried iron seat 21 on the supporting block 20 that is in rail 30 both sides respectively, the both sides of rail 30 are passed through respectively fastener device 10 is fixed on the pre-buried iron seat 21, still include backing plate device 40, backing plate device 40 is located between supporting block 20 and the rail 30, the height of rail 30 can be adjusted through backing plate device 40.
The fastener device 10 comprises a bolt device 11 and elastic strips 12, wherein the elastic strips 12 are respectively arranged on two sides of the steel rail 30, each elastic strip 12 is provided with one bolt device 11, one end of each elastic strip 12 is arranged on the steel rail 30, the other end of each elastic strip is arranged on the upper bearing surface of the bearing block 20, one end of each bolt device 11 penetrates through the middle of each elastic strip 12 and is connected with the embedded iron seat 21, and the steel rail 30 is fastened by elastic pressure generated by screwing of the bolt devices 11 through the elastic strips 12.
The insulating gauge block 60 is arranged between the elastic strip 12 and the steel rail 30, the insulating gauge block 60 is buckled on the steel rail 30, one end of the elastic strip 12 is buckled on the insulating gauge block 60, and the elastic strip 12 is not in contact with the steel rail 30.
The gauge apron 50 is arranged on the embedded iron seats 21, one side, close to the steel rail 30, of the gauge apron 50 is tightly attached to the steel rail 30, two sides of the steel rail 30 are fastened between the two embedded iron seats 21 through the gauge apron 50, one end, located on the upper bearing surface of the bearing block 20, of each elastic strip 12 is arranged at the top end of the gauge apron 50, a groove 51 matched with the embedded iron seats 21 is formed in the bottom of the gauge apron 50, the gauge apron 50 is fixedly clamped on the embedded iron seats 21 through the groove 51, a through hole 52 used for the bolt device 11 to penetrate through is formed in the gauge apron 50, the gauge apron 50 is in contact with the upper bearing surface of the bearing block 20, a sunken groove 53 used for supporting and limiting the elastic strip 12 is formed in the top of the gauge apron 50, and one end, in contact with the gauge apron 50, of the elastic strip 12 is buckled in the sunken groove 53.
The bolt device 11 comprises a nut 111, a flat washer 112 and a T-shaped bolt 113, one end of the T-shaped bolt 113 is T-shaped, the other end of the T-shaped bolt is provided with a thread a matched with the nut 111, the T-shaped end of the T-shaped bolt 113 is connected with the embedded iron seat 21, the thread a end penetrates through the elastic strip 12 and is screwed with the nut 111, the flat washer 112 is arranged between the nut 111 and the elastic strip 12, the flat washer 112 faces the direction of the elastic strip 12 in the screwing process of the nut 111 and is pressed and fastened, a clamping groove matched with the T-shaped end of the T-shaped bolt 113 is arranged on the embedded iron seat 21, and the T-shaped end of the T-shaped bolt 113 is detachably clamped with the embedded iron seat 21.
The backing plate device 40 comprises a rail bearing backing plate 41, a rail lower backing plate 42 and an elastic backing plate 43, the rail bearing backing plate 41 is laid on the upper bearing surface of the bearing block 20 and is positioned under the steel rail 30, the rail lower backing plate 42 is laid on the rail bearing backing plate 41, the elastic backing plate 43 is laid on the rail lower backing plate 42, the steel rail 30 is arranged on the elastic backing plate 43, the rail bearing backing plate 41, the rail lower backing plate 42 and the elastic backing plate 43 are detachably mounted, the rail bearing backing plate 41 is split and is a combination of two backing plates 411, one of the two backing plates 411 is provided with a protrusion 411a larger than a semicircle, the other backing plate is provided with an embedded groove 411b which is matched with the protrusion 411a in the same size, the positions of mutual contact on the two backing plates 411 are provided with mutually matched C-shaped grooves 411C for the pre-buried iron base 21 to pass through, and the two backing plates 411 are buckled, the C-shaped grooves 411C that are engaged with each other form a through hole through which the embedded iron seat 21 passes.
In the specific operation:
as shown in fig. 1 and 3, and with reference to fig. 2, the pre-buried iron seat 21 is pre-buried in the support block 20, and the support block 20 is fixed in the railbed foundation. When the position of the steel rail 30 needs to be adjusted high, a rail bearing surface base plate 41 is arranged on the rail bearing surface of the bearing block 20, a rail lower base plate 42 is arranged on the rail bearing surface, an elastic base plate 43 is arranged on the rail lower base plate 42, and the steel rail 30 is arranged on the elastic base plate 43; the gauge apron 50 and the T-shaped bolt 113 are installed on the embedded iron base 21, the insulating gauge block 60 is buckled on the steel rail 30, one end of the elastic strip 12 is buckled on the gauge apron 50, the other end of the elastic strip is buckled on the insulating gauge block 60, and finally the elastic strip 12 is screwed down by the nut 111 and the flat washer 112 to be installed in place.
As shown in fig. 4 in conjunction with fig. 3, when it is not necessary to raise the position of the rail 30, the elastic pad 43 is mounted on the rail-bearing surface of the bearing block 20, and the rail 30 is mounted on the elastic pad 43, and the fastening step is the same as the fastening step described above for raising the position of the rail 30.
The pre-buried fastener for the railway track has the advantages that:
1. through setting up the backing plate device, can adjust the height of railway rails, satisfy the track user demand, when need not heighten, the backing plate device of directly withdrawing from can, convenient to use, and easy to operate.
2. Through the combination form with fastener device design for bolt device and bullet strip, not only can fasten the track, in operating condition, the bullet strip has the effect of buffering again moreover, makes orbital fixity can improve.
3. Through the combination form with bolt device design for nut, plain washer and T type bolt, can dismantle the joint between the T type end of T type bolt and the pre-buried iron seat, be convenient for install and dismantle, the maintenance in the later stage of being convenient for uses the plain washer, and mode nut and bullet strip direct contact avoid damaging the bullet strip, improve life.
4. The gauge baffle and the insulating gauge block are arranged and are respectively used for supporting two ends of the elastic strip, the gauge baffle has another function of providing transverse support for the steel rail, the gauge of the steel rail can be adjusted, and the gauge baffle adopts a structure, so that the structure is simplified on the basis of ensuring the strength, the weight is reduced, and the cost is reduced; insulating gauge block
5. The rail bearing surface base plate adopts a split design and is designed into a combined body of two base plates, wherein one base plate is provided with a bulge which is larger than a semicircle, and the other base plate is provided with an embedded groove which is matched with the bulge and has the same size, and the structure can effectively prevent the rail bearing surface base plate from jumping out;
and the mutually matched C-shaped grooves for the pre-buried iron seat to pass through are arranged at the mutually contacted positions on the two backing plates, and when the two backing plates are buckled, the mutually matched C-shaped grooves form through holes for the pre-buried iron seat to pass through so as to conveniently install the backing plate for bearing the rail surface after the steel rail is laid.
6. Through design rail lower bolster and elastic backing plate, and demountable installation's mode installation, the later stage installation and the change of being convenient for, elastic backing plate has fine cushioning effect moreover, protection rail that can be fine.
7. According to the pre-buried fastener for the railway track, the pre-buried iron base is pre-buried in the sleeper in advance, the fastener device is installed on the pre-buried iron base, the stable structure of the fastener device is guaranteed by means of the pre-buried force of the pre-buried iron base, the height adjusting requirement is met by matching the rail bearing surface base plate, the rail lower base plate and the elastic base plate, and when the height raising position needs to be lowered, one or more of the rail bearing surface base plate, the rail lower base plate and the elastic base plate can be properly detached to reduce the height.
8. Adopt elastic backing plate and rail contact, can effectively avoid the skew of the horizontal direction of rail, elastic backing plate has the effect that resets, when using, the position of rail can be guaranteed, if what the rail below adopted is not elastic backing plate, but the rigidity backing plate, when the car passes through, rail and rigidity backing plate straight line produce horizontal micrometric displacement, and can not reset completely, thereby produce very big damage to insulating gauge block and bullet strip, adopt elastic backing plate and rail contact, not only increase frictional force, and the reinforcing ability that resets, reduce the damage to insulating gauge block and bullet strip, increase of service life.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A pre-buried fastener for a railway track comprises a fastener device (10), wherein the fastener device (10) is installed between a supporting block (20) connected with an under-rail foundation of the railway track and a steel rail (30), the steel rail (30) is laid on the supporting block (20), pre-buried iron seats (21) are respectively arranged on the bearing surfaces of the supporting block (20) at two sides of the steel rail (30), two sides of the steel rail (30) are respectively fixed on the pre-buried iron seats (21) through the fastener device (10), the pre-buried fastener is characterized by further comprising a backing plate device (40), the backing plate device (40) is arranged between the supporting block (20) and the steel rail (30), the height of the steel rail (30) can be adjusted through the backing plate device (40), and the backing plate device (40) comprises a rail bearing surface backing plate (41), an under-rail backing plate (42) and an elastic backing plate (43), rail bearing surface backing plate (41) are laid on the last holding surface of supporting block (20), and are in under rail (30), lay in rail lower plate (42) on rail bearing surface backing plate (41), lay in elastic backing plate (43) on rail lower plate (42), rail (30) are located on elastic backing plate (43), rail bearing surface backing plate (41), rail lower plate (42) and elastic backing plate (43) are demountable installation.
2. An embedded fastener for railway tracks according to claim 1, wherein the fastener device (10) comprises a bolt device (11) and elastic bars (12), one elastic bar (12) is respectively arranged at two sides of the steel rail (30), each elastic bar (12) is provided with a bolt device (11), one end of each elastic bar (12) is arranged on the steel rail (30), the other end of each elastic bar is arranged on the upper bearing surface of the supporting block (20), one end of the bolt device (11) passes through the middle part of the elastic bar (12) and is connected with the embedded iron seat (21), and the elastic bars (12) fasten the steel rail (30) through elastic pressure generated by screwing of the bolt device (11).
3. The pre-buried fastener for railway tracks as claimed in claim 2, wherein the bolt device (11) comprises a nut (111), a flat washer (112) and a T-bolt (113), one end of the T-bolt (113) is T-shaped, the other end of the T-bolt is provided with a thread (a) matched with the nut (111), the T-shaped end of the T-bolt (113) is connected with the pre-buried iron seat (21), the thread (a) end penetrates through the elastic strip (12) and is screwed with the nut (111), the flat washer (112) is arranged between the nut (111) and the elastic strip (12), and the flat washer (112) is pressed and fastened towards the elastic strip (12) in the screwing process of the nut (111).
4. The pre-buried fastener for the railway track is characterized by further comprising a gauge apron (50), wherein the gauge apron (50) is arranged on the pre-buried iron bases (21), one side, close to a steel rail (30), of the gauge apron (50) is tightly attached to the steel rail (30), two sides of the steel rail (30) are fastened between the two pre-buried iron bases (21) through the gauge apron (50), and one end, located on the upper bearing surface of the supporting block (20), of each elastic strip (12) is arranged at the top end of the gauge apron (50).
5. The pre-buried fastener for a railway track according to claim 2, further comprising an insulating gauge block (60), wherein the insulating gauge block (60) is arranged between the elastic strip (12) and the steel rail (30), the insulating gauge block (60) is fastened on the steel rail (30), one end of the elastic strip (12) is fastened on the insulating gauge block (60), and the elastic strip (12) is not in contact with the steel rail (30).
6. The pre-buried fastener for the railway track according to claim 3, wherein a clamping groove matched with the T-shaped end of the T-shaped bolt (113) is formed in the pre-buried iron seat (21), and the T-shaped end of the T-shaped bolt (113) is detachably clamped with the pre-buried iron seat (21).
7. The pre-buried fastener for the railway track as claimed in claim 4, wherein a groove (51) matched with the pre-buried iron seat (21) is formed in the bottom of the gauge apron (50), the gauge apron (50) is clamped on the pre-buried iron seat (21) through the groove (51), a through hole (52) for the bolt device (11) to pass through is formed in the gauge apron (50), and the gauge apron (50) is in contact with the upper bearing surface of the bearing block (20).
8. An embedded fastener for railway rails as claimed in claim 7, wherein the top of the gauge apron (50) is provided with a sunken groove (53) for supporting the limiting elastic strip (12), and one end of the elastic strip (12) contacting with the gauge apron (50) is buckled and pressed in the sunken groove (53).
9. The pre-buried fastener for the railway track according to claim 1, wherein the rail bearing surface base plate (41) is split and is a combination of two base plates (411), one base plate (411) is provided with a protrusion (411a) larger than a semicircle, the other base plate is provided with an embedded groove (411b) which is matched with the protrusion (411a) in the same size, the two base plates (411) are provided with C-shaped grooves (411C) which are matched with each other and used for the penetration of the pre-buried iron base (21), and when the two base plates (411) are fastened, the C-shaped grooves (411C) which are matched with each other form a through hole for the penetration of the pre-buried iron base (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010978229.8A CN111979849A (en) | 2020-09-17 | 2020-09-17 | Pre-embedded fastener for railway track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010978229.8A CN111979849A (en) | 2020-09-17 | 2020-09-17 | Pre-embedded fastener for railway track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111979849A true CN111979849A (en) | 2020-11-24 |
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ID=73449994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010978229.8A Pending CN111979849A (en) | 2020-09-17 | 2020-09-17 | Pre-embedded fastener for railway track |
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| Country | Link |
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| CN (1) | CN111979849A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2020
- 2020-09-17 CN CN202010978229.8A patent/CN111979849A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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