CN210420731U - Modern tram fastener system - Google Patents
Modern tram fastener system Download PDFInfo
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- CN210420731U CN210420731U CN201920669707.XU CN201920669707U CN210420731U CN 210420731 U CN210420731 U CN 210420731U CN 201920669707 U CN201920669707 U CN 201920669707U CN 210420731 U CN210420731 U CN 210420731U
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Abstract
The utility model discloses a modern tram fastener system, including base plate (3), its bottom surface is equipped with base plate recess (301) that cylindricality and ellipsoid combine, and sets up the exhaust hole between this base plate recess (301), increases the area of contact of base plate (3) and concrete, and one side near track (12) in the top of base plate (3) is equipped with gauge dog (11), and this gauge dog (11) outside is equipped with heightening cushion (4), and the top of gauge dog (11) and heightening cushion (4) is equipped with bullet strip (8); the base plate (3) is provided with an elastic strip mounting groove (302) corresponding to the elastic strip (8), and a heightening cushion block seat (303) corresponding to the heightening cushion block (4). The utility model discloses a fastener system makes more inflow base plate bottom cavities of concrete, guarantees that concrete fully gets into the base plate inside, and the construction is accomplished and is detained the base plate and form as an organic wholely with lower concrete, has improved the whole bearing capacity of fastener system, better resistance comes from the load of vehicle.
Description
Technical Field
The utility model belongs to the technical field of tram track subassembly manufacturing, more specifically relates to a modern tram fastener system.
Background
The modern tramcar system is developed for solving the defects of high investment, long construction period and the like of the existing subway in each large city in the world. The modern tramcar system is upgraded and reformed on the basis of an old tramcar system, so that the tramcar system has the characteristics of low noise, low vibration, environmental protection, low investment and quick response, and is a new direction for the development of urban rail transit to suburbs.
Because the modern tram system adopts the groove rail different from the conventional railway steel rail, the existing railway fastener system can not completely meet the requirement of laying the modern tram line, and simultaneously, in order to meet the requirements of low noise, low vibration and low cost of the line, the fastener system also needs to consider the requirements of vibration reduction and noise reduction.
In order to solve the above problems, some units propose modern tram fasteners, and adopt an elastic non-separating structure, and the grooved rail is directly connected with the ballast bed through the rotating spike, so that the production cost of the fastener can be greatly reduced, but engineering practice proves that the following problems still exist and need to be solved: (1) the mounting base plate and the lower concrete are not tightly combined, so that the damage occurs under the vehicle running condition, and the safety is influenced; (2) the structures such as the B-type elastic strip and the elastic strip seat height-adjusting cushion block are directly contacted with the environment such as external soil, so that damages such as corrosion are easily caused, and the performance and the service life of structural elements such as the B-type elastic strip and the elastic strip seat height-adjusting cushion block are influenced; (3) the groove-shaped rails are directly bought underground, so that vibration is easily excited in the high-speed running process of the tramcar, and the vibration attenuation and noise reduction effects are poor; (4) the groove-shaped rail of the fastener is directly contacted with the mounting base plate, the height adjusting range is small, and the requirement of height adjustment of the rail surface of a modern tramcar is difficult to meet; (5) fastener system bolt adopts the design of conventional similar subway fastener, needs often to twist again, and present tram fastener is mostly buried formula, and later stage maintenance is difficult.
SUMMERY OF THE UTILITY MODEL
To prior art's above defect or improvement demand, the utility model provides a modern tram fastener system, through set up the base plate recess that cylindricality and ellipsoid shape combined in the base plate bottom surface, set up the exhaust hole between the base plate recess simultaneously, the effectual contact surface that has increased base plate and concrete, conveniently discharge base plate bottom air when the pouring, make more inflow base plate bottom cavities of concrete, guarantee inside the concrete fully gets into the base plate, the construction is accomplished and is detained base plate and lower concrete form an organic whole, the whole bearing capacity of fastener system has been improved, better resistance comes from the load of vehicle.
In order to realize above-mentioned purpose, the utility model provides a modern tram fastener system for on being fixed in cast-in-place concrete road bed with the rail, this fastener system includes:
the bottom surface of the base plate is provided with cylindrical and ellipsoidal base plate grooves, and exhaust holes are arranged among the base plate grooves, so that the contact area between the base plate and concrete is increased, and the base plate and the cast-in-place concrete track bed are conveniently and tightly combined to form an integrated structure;
a gauge stop block is arranged on one side, close to the rail, of the top of the substrate, a height-adjusting cushion block is arranged on the outer side of the gauge stop block, and elastic strips are arranged on the tops of the gauge stop block and the height-adjusting cushion block;
the base plate corresponds bullet strip department is equipped with bullet strip mounting groove, corresponds heightening cushion department is equipped with heightening cushion seat, and the anchor bolt passes bullet strip, base plate and cast in situ concrete railway roadbed will gauge dog, heightening cushion firmly are fixed in respectively on bullet strip mounting groove and the heightening cushion seat.
Furthermore, damping materials are respectively arranged on two sides of the steel rail, are of L-shaped structures and are rounded at the corners, so that the shapes of the damping materials are matched with those of two side faces of the steel rail, and the steel rail is attached and contacted.
Furthermore, common fastener covers are arranged on the outer sides of the elastic strips, the height adjusting cushion blocks, the gauge stop blocks and the anchor bolts;
ordinary fastener cover includes ordinary fastener cover body and locates ordinary fastener cover mounting panel of ordinary fastener cover body one side, ordinary fastener cover through ordinary fastener cover mounting panel realize with damping material fixed connection, thereby will the bullet strip, heighten cushion, gauge dog and anchor bolt are whole to be wrapped round in it.
Furthermore, shared road section fastener covers are arranged on the outer sides of the elastic strips, the height adjusting cushion blocks, the gauge stop blocks and the anchoring bolts;
this sharing highway section fastener cover includes the hemisphere cover body and locates the sharing highway section fastener cover mounting panel of hemisphere cover body one side, sharing highway section fastener cover mounting panel through bolt or other link structure realize with damping material's fixed connection.
Furthermore, the shared road section fastener cover is of a hemispherical structure and is made of high-strength glass fiber reinforced plastic materials.
Furthermore, a sleeve is sleeved on the outer side of the anchor bolt, and the anchor bolt and the sleeve are both provided with loose-proof threads.
Furthermore, an elastic base plate is arranged between the base plate and the steel rail;
furthermore, a height-adjusting cushion plate is arranged between the elastic cushion plate and the base plate.
Furthermore, the gauge block is of an L-shaped structure and comprises a horizontal part and a vertical part, wherein the horizontal part is pressed against the top surface of the bottom of the steel rail, and the vertical part is tightly attached to the side surface of the bottom of the steel rail.
Furthermore, the elastic strip is a B-shaped spring, the B-shaped spring is sleeved on the anchoring bolt, and the top of the B-shaped spring is provided with a flat washer.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:
1. the utility model discloses a fastener system, through the base plate recess that sets up cylindricality and ellipsoid combination in the base plate bottom surface, set up the exhaust hole between the base plate recess simultaneously, the effectual contact surface that increases base plate and concrete, convenient discharge base plate bottom air when the pouring makes more inflow base plate bottom cavities of concrete, guarantee that concrete fully gets into inside the base plate, the construction is accomplished and is detained the base plate and concrete form as an organic whole down, the whole bearing capacity of fastener system has been improved, better resistance comes from the load of vehicle.
2. The utility model discloses a fastener system, cast-in-place base adopt to keep off the shoulder design, can better guarantee the anti 30KN transverse force of fastener system, avoid in the split type fastener system with basic connection screw spike installation torque size to the influence of resisting transverse force, this also better adaptation tram fastener is difficult to guarantee the characteristics of its moment of torsion through the bolt is twisted again.
3. The utility model discloses a fastener system, fastener system adopt and do not have pillow formula structure, and the good back of preassembleing is pour its base scene in the railway roadbed, convenient construction, need not the sleeper design among the track structure simultaneously, and the cost is practiced thrift in convenient design.
4. The utility model discloses a fastener system, fastener system adopt elasticity inseparable structure, and spare part is few, simple structure, and wherein plain washer, especially key spare bullet strip adopt standard design, safe and reliable.
5. The utility model discloses a fastener system, anchor bolt and sleeve pipe adopt to relax the loose thread design, have improved the anti lax performance of spiral spike, and the tram fastener of better adaptation is difficult to be twisted again through the bolt and guarantees the characteristics of bullet strip withholding force.
6. The utility model discloses a fastener system, ordinary district adopt 5mm nylon 66 fastener cover, and fastener cover adopts the thick spherical structure of 10mm for the crossing, and the simultaneous manufacturing material adopts the glass steel design, can great improvement its bearing capacity, solves the problem that tram crossing bearing capacity is more weak.
7. The utility model discloses a fastener system, rail both sides are equipped with damping material respectively, and this damping material is handled in the radius of dog-ear to guarantee its and the both sides face shape phase-match of rail, realize laminating contact connection, thereby the vibration of effective decay rail reduces excitation and the noise that tram arouses when passing through at a high speed.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a modern tram fastener system according to an embodiment of the present invention;
fig. 2 is a schematic three-dimensional structure diagram of a modern tram fastener system according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a modern tram fastener system according to an embodiment of the present invention;
fig. 4 is an exploded view of a modern tram fastener system according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the substrate structure in the embodiment of the present invention;
FIG. 6 is a schematic diagram of a fastener cover structure of a shared road segment according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a fastener cover for a shared road segment according to an embodiment of the present invention;
FIG. 8 is a schematic view of a conventional fastener cover according to an embodiment of the present invention;
fig. 9 is a schematic view of the installation structure between the anchor bolt, the sleeve and the cast-in-place concrete roadbed 1 according to the embodiment of the present invention.
In all the figures, the same reference numerals denote the same features, in particular: the method comprises the following steps of 1-cast-in-place concrete track bed, 2-sleeve, 3-base plate, 4-heightening cushion block, 5-shared road section fastener cover, 6-damping material, 7-anchor bolt, 8-elastic strip, 9-flat washer, 10-common fastener cover, 11-gauge block, 12-steel rail, 13-elastic cushion plate, 14-heightening cushion plate, 301-base plate groove, 302-elastic strip mounting groove, 303-heightening cushion block seat, 304-gauge block limit, 501-hemispherical cover body, 502-shared road section fastener cover mounting plate, 101-common fastener cover body, 102-common fastener cover mounting plate and 701-loose-proof thread.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1-4, embodiments of the present invention provide a modern tram fastener system that includes a sleeve 2, a base plate 3, an anchor bolt 7, and a spring strip 8. Wherein, the cast-in-place concrete track bed 1 and the base plate 3 both sides are seted up the mounting hole, and the sleeve pipe 2 cover is located anchor spiral 7 to in the screw in mounting hole, with base plate 3 together pre-buried in advance in the cast-in-place concrete track bed 1, constitute integrated structure with the cast-in-place concrete track bed 1. Further, a rail 12 is mounted on the substrate 3, a gauge block 11 is arranged on one side, close to the rail 12, of the top of the substrate 3, the gauge block 11 is preferably of an L-shaped structure and comprises a horizontal portion and a vertical portion, wherein the horizontal portion is pressed against the top surface of the bottom of the rail 12, the vertical portion is tightly attached to the side surface of the bottom of the rail 12, a height adjusting cushion block 4 is arranged on the substrate 3 outside the gauge block 11, and the bottom surface structure of the height adjusting cushion block 4 is matched with the top surface structure of the end portion of the substrate 3. Further, the top of the gauge block 11 and the height-adjusting cushion block 4 is provided with an elastic strip 8, the top of the elastic strip 8 is provided with a flat washer 9, and the elastic strip 8 is preferably a B-shaped spring which is sleeved on the anchoring bolt 7. As shown in fig. 5, the base plate 3 is provided with an elastic strip mounting groove 302 corresponding to the elastic strip 8, and a height-adjusting cushion seat 303 corresponding to the height-adjusting cushion 4, and the gauge block 11 and the height-adjusting cushion 4 are respectively and firmly fixed on the elastic strip mounting groove 302 and the height-adjusting cushion seat 303 through the anchor bolt 7. Due to the large rigidity and deformation of the B-shaped elastic strip, the height adjusting range of the steel rail 12 can be greatly improved, and the elevation requirement of the steel rail is met.
Further, as shown in fig. 4, an elastic pad 13 is provided between the base plate 3 and the rail 12, and the elastic pad 13 can further adjust the rail surface height of the rail 12. Preferably, an elevation adjusting base plate 14 is further arranged between the elastic base plate 13 and the base plate 3, and the elevation adjusting base plate 14 can be replaced with different thickness sizes according to actual requirements, so that the adjustment requirements of different rail surface elevations are met. Preferably, the rail 12 is a channel rail or an i-shaped rail.
As shown in fig. 5, combine inseparably inadequately for solving current installation backing plate and lower part concrete, lead to appearing the disease under the vehicle operating condition, influence formation safety scheduling problem, the utility model discloses carry out special improvement design to the base plate structure. Through setting up the base plate recess 301 that cylindricality and ellipsoid combined in the base plate bottom surface, set up the exhaust hole between base plate recess 301 simultaneously, the effectual contact surface that increases base plate 3 and concrete, the bottom air of base plate 3 conveniently discharges when the pouring, make the more bottom cavity of inflow base plate 3 of concrete, guarantee that the concrete fully gets into the inside of base plate 3, the construction is accomplished the back base plate and is formed as an organic whole with lower concrete, the whole bearing capacity of fastener system has been improved, better resistance comes from the load of vehicle.
As shown in fig. 4, damping materials 6 are respectively arranged on two sides of the rail 12, the damping materials 6 are preferably in an L-shaped structure, and are rounded at the corners, so that the damping materials are matched with the shapes of the two sides of the rail 12, the joint contact connection is realized, the vibration of the rail 12 is effectively attenuated, and the shock excitation and the noise caused when the tramcar passes through at a high speed are reduced.
In addition, in order to prevent that bullet strip 8, heightening cushion 4, gauge dog 11 and anchor bolt 7 from receiving environmental influences such as external earth, water and corrosion damage, the utility model discloses further improve the fastener system, as shown in fig. 8. At the bullet strip 8, heighten cushion 4, gauge dog 11 and anchor bolt 7 outside are equipped with ordinary fastener cover 10, this ordinary fastener cover 10 includes ordinary fastener cover body 101 and locates ordinary fastener cover mounting panel 102 of ordinary fastener cover body one side, ordinary fastener cover 10 realizes through ordinary fastener cover mounting panel 102 with damping material 6 fixed connection, thereby with bullet strip 8, heighten cushion 4, gauge dog 11 and anchor bolt 7 are all wrapped round in it, effectively protect bullet strip 8, heighten cushion 4, gauge dog 11 and anchor bolt 7 avoid external environment's influence, fastener system's stability has been improved, its life has been prolonged. As shown in fig. 6 and 7, the shared highway section of tram track and car, because other vehicles's reciprocal rolling, for avoiding ordinary fastener cover 10 to make to damage, the utility model discloses further improved design is equipped with shared highway section fastener cover 5 to tram and other vehicles shared highway sections, and this shared highway section fastener cover 5 includes the hemisphere cover body 501 and locates the shared highway section fastener cover mounting panel 502 of hemisphere cover body 501 one side, and shared highway section fastener cover mounting panel 502 passes through bolt or other link structures, realizes the fixed connection with damping material 6. Shared highway section fastener cover 5 adopts the hemisphere type structure, and preferred adoption high strength glass steel material preparation forms, has higher structural strength and pliability, ensures that it is unlikely to damage under great load repetitive action to protection bullet strip 8, heighten cushion 4, gauge dog 11 and anchor bolt 7 avoid external environment's influence. The utility model discloses a fastener system, ordinary district adopt 5mm nylon 66 fastener cover, and fastener cover adopts the thick spherical structure of 10mm for the crossing, and the simultaneous manufacturing material adopts the glass steel design, can great improvement its bearing capacity, solves the problem that tram crossing bearing capacity is more weak.
Further, as shown in fig. 9, for solving the design of current fastener system bolt adoption conventional similar subway fastener, need often twist again, present tram fastener is mostly to bury the formula, the difficult scheduling problem of later stage maintenance, the utility model discloses fastener system anchor bolt 7 and 2 pipes of sleeve pipe adopt the locking relaxation screw 701 of pitch 10mm, have improved the anti lax performance of screw spike, and the better characteristics that adapt to tram fastener is difficult to guarantee bullet strip withhold force through bolt twist again.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (10)
1. A modern tram fastener system for securing a rail (12) to a cast in place concrete track bed (1), characterized in that it comprises:
the bottom surface of the base plate (3) is provided with cylindrical and ellipsoidal base plate grooves (301), and exhaust holes are formed among the base plate grooves (301), so that the contact area between the base plate (3) and concrete is increased, and the base plate (3) and the cast-in-place concrete track bed (1) are conveniently and tightly combined to form an integrated structure;
a gauge block (11) is arranged on one side, close to the steel rail (12), of the top of the base plate (3), a height adjusting cushion block (4) is arranged on the outer side of the gauge block (11), and elastic strips (8) are arranged on the tops of the gauge block (11) and the height adjusting cushion block (4);
base plate (3) correspond bullet strip (8) department is equipped with bullet strip mounting groove (302), corresponds heightening cushion (4) department is equipped with heightening cushion seat (303), and anchor bolt (7) pass bullet strip (8), base plate (3) and cast in situ concrete railway roadbed (1), will gauge dog (11), heightening cushion (4) firmly are fixed in respectively on bullet strip mounting groove (302) and heightening cushion seat (303).
2. A modern tram fastener system as claimed in claim 1, characterised in that the rail (12) is provided with damping material (6) on each side, the damping material (6) being L-shaped and rounded at the corners to ensure that it matches the shape of the rail (12) sides to provide a snug contact connection.
3. A modern tram fastener system as claimed in claim 2, characterized in that the spring strips (8), the heightening pad (4), the gauge block (11) and the anchor bolt (7) are provided with a common fastener cover (10) on the outside;
ordinary fastener cover (10) include ordinary fastener cover body (101) and locate ordinary fastener cover mounting panel (102) of ordinary fastener cover body (101) one side, ordinary fastener cover (10) through ordinary fastener cover mounting panel (102) realize with damping material (6) fixed connection, thereby will bullet strip (8), heighten cushion (4), gauge dog (11) and anchor bolt (7) are whole to be wrapped round in it.
4. A modern tram fastener system as claimed in claim 2, characterized in that the spring strips (8), the heightening pads (4), the gauge blocks (11) and the anchor bolts (7) are provided on their outer sides with shared-section fastener covers (5);
this sharing highway section fastener cover (5) include the hemisphere cover body (501) and locate sharing highway section fastener cover mounting panel (502) of hemisphere cover body (501) one side, sharing highway section fastener cover mounting panel (502) through bolt or other connection structure realize with the fixed connection of damping material (6).
5. Modern tram fastener system according to claim 4, characterized in that the shared road section fastener cover (5) is of a hemispherical structure and is made of high strength glass fiber reinforced plastic material.
6. Modern tram fastener system according to claim 1, characterized in that the anchor bolt (7) is externally sleeved with a sleeve (2), the anchor bolt (7) and the sleeve (2) both being provided with loose-proof threads (701).
7. A modern tram fastener system according to any one of claims 1-5, characterized in that an elastic pad (13) is provided between the base plate (3) and the rail (12).
8. Modern tram fastener system according to claim 7, characterized in that between the elastic pad (13) and the base plate (3) there is also an elevation pad (14).
9. A modern tram fastener system as claimed in any one of claims 1 to 5, characterized in that the gage block (11) is an L-shaped structure comprising a horizontal portion which presses against the top bottom surface of the rail (12) and a vertical portion which abuts against the side bottom surface of the rail (12).
10. A modern tram fastener system according to any one of claims 1-5, characterized in that the spring strips (8) are B-springs, which are placed over the anchor bolts (7) with flat washers (9) on top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920669707.XU CN210420731U (en) | 2019-05-11 | 2019-05-11 | Modern tram fastener system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920669707.XU CN210420731U (en) | 2019-05-11 | 2019-05-11 | Modern tram fastener system |
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| CN210420731U true CN210420731U (en) | 2020-04-28 |
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| CN201920669707.XU Active CN210420731U (en) | 2019-05-11 | 2019-05-11 | Modern tram fastener system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080047A (en) * | 2019-05-11 | 2019-08-02 | 中铁第四勘察设计院集团有限公司 | A kind of modern tram fastener system |
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- 2019-05-11 CN CN201920669707.XU patent/CN210420731U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080047A (en) * | 2019-05-11 | 2019-08-02 | 中铁第四勘察设计院集团有限公司 | A kind of modern tram fastener system |
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