CN210712388U - Split symmetrical iron seat fastener system - Google Patents
Split symmetrical iron seat fastener system Download PDFInfo
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- CN210712388U CN210712388U CN201920996438.8U CN201920996438U CN210712388U CN 210712388 U CN210712388 U CN 210712388U CN 201920996438 U CN201920996438 U CN 201920996438U CN 210712388 U CN210712388 U CN 210712388U
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Abstract
The utility model relates to a separation symmetry formula iron stand fastener system, including anchor bolt (2), iron stand (4), bullet strip (6), gauge block (8), its characterized in that, iron stand (4) have two, independent symmetrical arrangement in rail (10) both sides, iron stand (4) lower surface sets up heightening backing plate (3), anchor bolt (2) run through on iron stand (4) and heighten backing plate (3), fix iron stand (4) on the railway roadbed, are provided with installation auxiliary plate (5) on the nut of each anchor bolt (2), and this installation auxiliary plate (5) one end is connected with anchor bolt (2), and other end overlap joint is on gauge block (8), has all inserted bullet strip (6) in each iron stand (4), and two bullet strip (6) symmetry locks are in rail (10) both sides. The utility model discloses a no bolt switch formula bullet strip, iron stand design are the symmetric separation formula, have simple structure, can reduce cost, and it is convenient to dismantle, and adaptability is strong, advantages such as system reliability height.
Description
Technical Field
The utility model belongs to the technical field of the track traffic and specifically relates to a separation symmetry formula iron seat fastener system is related to.
Background
With the increasing track crossing net, the demand of track fastener is also increasing. Statistically, the common fasteners account for 60% of the route planning. In a common fastener system, common fasteners are designed to be elastic strips, rail pads, iron seats, height-adjusting pads and anchor bolts, and the whole set of fastener is simple in structure, high in installation efficiency, low in price and the like.
The design of the common fastener also has related problems in the use process, for example, when an iron seat is broken or other reasons need to be replaced in subway maintenance, the steel rail must be lifted, and meanwhile, the elastic strips on all affected fasteners need to be removed for replacement, so that the maintenance difficulty is greatly increased, and the maintenance efficiency is low; meanwhile, the installation efficiency of the fastener elastic strip is low, and the problems of e-shaped elastic strip elastic toe transition installation or too large installation torque of the w-shaped elastic strip and the like often occur in the installation process; and the cost of the iron seat of the existing common fastener accounts for 40% of the total cost of the fastener, so the structure and the cost need to be considered when designing a fastener system.
Chinese patent CN 109457554 a discloses a ballastless track fastener system, which includes an iron tie plate, a gauge baffle, an elastic strip, an anchor bolt, an insulating block and a cushion pad; the system still includes blotter inefficacy early warning subassembly, blotter inefficacy pretension subassembly is assembled and to be triggered the visual early warning signal of blotter inefficacy early warning subassembly when the blotter thickness subsides below the critical value, but the supporting sleeper of this ballastless track fastener system need take the fender shoulder, adopts anchor bolt mode withhold elastic strip, the iron tie plate sets up to whole block formula structure, overall structure is complicated, adaptability is poor, the installation effectiveness is low, market cost is higher, and this system architecture class is with the existing fosterole W300-1 fastener of high-speed railway ballastless track structure, the train high speed condition makes W type elastic strip appear the damage fracture easily.
Therefore, it is desirable to provide a spring iron seat fastener system with high reliability, convenient maintenance and low cost, which does not need to lift the steel rail when the iron casting needs to be replaced, and further does not affect other fasteners nearby, thereby greatly improving the maintenance efficiency and reducing the cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a separation symmetry formula iron seat fastener system that reliability is high, convenient maintenance, low-cost in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized by the following technical scheme
The utility model provides a separation symmetry formula iron stand fastener system, includes anchor bolt, iron stand, bullet strip, gauge block, the iron stand have two, independent symmetrical arrangement is in the rail both sides, and the iron stand lower surface sets up the backing plate of increaseing, anchor bolt runs through on the iron stand and heightens the backing plate, fixes the iron stand on the bed of saying, is provided with the installation auxiliary plate on each anchor bolt's the nut, and this installation auxiliary plate one end and anchor bolted connection, other end overlap joint are on the gauge block to bullet strip pre-assembling plays the anticreep effect. Elastic strips are inserted into the iron seats, and the two elastic strips are symmetrically buckled on two sides of the steel rail.
Furthermore, two ends of the heightening base plate are respectively provided with a return groove, the two iron seats are respectively placed in the two return grooves, and the upper surface of the middle part of the heightening base plate is also provided with a rail lower base plate. The return groove can limit the horizontal movement of the iron base and prevent the two separated iron bases from rotating when being assembled.
Furthermore, the iron seat comprises a bottom plate and elastic strip seats arranged on two sides of the bottom plate, slope round holes are formed in the inner sides of the elastic strip seats, and limit blocks are arranged at the ends of the elastic strip seats.
Further, the bullet strip including withhold the elastic part of rail, the bullet strip bullet toe of being connected with the iron stand to and the bullet toe recess that bullet strip bullet toe end set up, bullet strip bullet toe insert in the slope round hole, the aperture of slope round hole slightly is greater than the diameter of bullet strip, simultaneously bullet toe recess and stopper match, make the bullet strip install on the iron stand.
Furthermore, the elastic part of the elastic strip buckling steel rail is sleeved with an elastic strip nylon cap, and a pre-installation groove is arranged below the elastic strip nylon cap.
Furthermore, the two ends of the gauge block are provided with steps which are inserted among gaps of the rail lower backing plate, the iron base and the steel rail and press the rail lower backing plate tightly, and the gauge block is also provided with a gauge block groove which is used for positioning and installing the auxiliary plate.
Furthermore, one end of the installation auxiliary plate is sleeved on the anchoring bolt nut, the other end of the installation auxiliary plate is matched with a track gauge block groove in the track gauge block, and meanwhile, a pre-installation boss is arranged on the upper surface of the installation auxiliary plate and matched with the pre-installation groove below the elastic strip nylon cap.
Furthermore, a through hole and a bolt through hole are respectively preset on the heightening base plate and the iron seat, the anchoring bolt is arranged below the elastic strip position, sequentially penetrates through the through hole and the bolt through hole, is in matched connection with a nylon sleeve pre-embedded in the ballast bed, fixes the iron seat on the track bed, and further fixes the whole system.
Furthermore, the elastic strip is in a switch type, an e shape or a w shape.
Furthermore, the heightening base plate is made of a non-metal high-strength insulating material or a high-density polyethylene material.
Compared with the prior art, the utility model has the advantages of it is following
(1) Compared with e-shaped and w-shaped elastic strips, the bolt-free elastic strip is more flexible and easy to assemble and disassemble;
(2) the iron base is designed to be a symmetrical separation type, and is firmer than an iron base in the prior art;
(3) the structure of the auxiliary plate is adopted, so that the elastic strips can be prevented from falling off more pertinently;
(4) the elastic strip nylon sleeve is added outside the elastic strip, so that the contact area and the friction force between the elastic strip and the steel rail are increased;
(5) the utility model has simple overall structure, low cost, convenient disassembly, strong adaptability and high reliability;
(6) the utility model discloses the fastener need not say the rail and lifts up when needing to change the ironcasting, consequently will not influence near other fasteners when changing the ironcasting, can improve the efficiency of maintaining greatly to reduce its cost.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1;
FIG. 2 is a sectional view showing the overall structure of example 1;
FIG. 3 is a schematic view of the structure of the heightening base plate in example 1;
FIG. 4 is a schematic view of the structure of an iron seat in embodiment 1;
FIG. 5 is a schematic view of the structure of the elastic strip and the nylon sheath of the elastic strip in example 1;
FIG. 6 is a schematic view of the gauge block structure in example 1;
fig. 7 and 8 are schematic structural views of the mounting auxiliary plate in embodiment 1;
FIG. 9 is a schematic view of the structure of the under-rail pad in embodiment 1;
FIG. 10 is a schematic view showing the construction of an anchor bolt according to embodiment 1;
FIG. 11 is a schematic view of the nylon socket structure of example 1;
fig. 12 is a schematic view of the general structure of an e-shaped elastic strip corresponding fastening system in embodiment 2;
fig. 13 is a schematic structural view of an iron seat of embodiment 2 provided with two anchor bolt holes.
The number of the drawing shows that 1-nylon sleeve, 2-anchoring bolt, 3-heightening base plate, 31-returning groove, 32-through hole, 4-iron seat, 41-elastic strip seat, 42-slope round hole, 43-limiting block, 44-bolt through hole, 5-installation auxiliary plate, 51-pre-installation boss, 6-elastic strip, 61-elastic toe, 62-elastic toe groove, 7-elastic strip nylon cap, 71-pre-installation groove, 8-gauge block, 81-gauge block groove, 82-step, 9-rail lower base plate and 10-rail.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1-11, a split symmetrical iron base fastener system, the fastener mainly includes an elastic strip 6, an anchor bolt 2, an iron base 4, the iron base 4 is of a symmetrical split type, a height-adjusting backing plate 3 is arranged on the lower surface, and the iron base is positioned by a step groove 31 at two ends of the height-adjusting backing plate 3; the iron seat 4 is independently provided with a bolt through hole 12; the anchor bolt 2 penetrates through the iron seat 4 and the heightening base plate 3; the cap of the anchor bolt 2 is provided with an auxiliary mounting plate 5; one end of the auxiliary installation plate 5 is connected with the anchor bolt 2, and the other end of the auxiliary installation plate is lapped on the gauge block 8, so that the elastic strip 6 can be conveniently preassembled and the anti-falling function can be realized.
Referring to fig. 2 and 3, step grooves 31 for placing the iron bases 4 are respectively formed at two ends of the heightening base plate 3, the step grooves 31 can limit horizontal movement of the iron bases 4, and a rail-mounted lower base plate 9 is arranged on the upper surface of the middle portion of the heightening base plate 3.
As shown in fig. 4 and 5, two iron holders 4 are respectively arranged on two sides of the steel rail 10, and the two iron holders are separated independently. Be equipped with bullet strip seat 41 of bullet strip 6 on the iron stand 4, bullet strip seat 41 mounting hole sets up to slope round hole 42, and the size in hole slightly is greater than bullet strip diameter, plays direction and limiting displacement when bullet strip bullet toe 61 upwards gets into along the slope to play the anticreep effect after installing bullet strip. The two sides of the iron seat 4 are provided with limiting blocks 43 which correspond to the elastic toe grooves 62 on the elastic toe 61 of the elastic strip to prevent the elastic strip 6 from loosening.
As shown in fig. 6, steps 11 are arranged at two ends of the gauge block 8 and are connected with rib plates at two ends of the elastic toe 61 mounting seat; meanwhile, the surface of the gauge block 8 is provided with a gauge block groove 81 for positioning and installing an auxiliary plate; the middle of the gauge block 8 is provided with a step 82, and the lower rail pad 9 can be tightly pressed under the step 82 during installation, so that the installation is convenient.
Referring to fig. 7, fig. 8, fig. 9, fig. 10 and fig. 11, one end of the mounting auxiliary plate 5 is sleeved on the nut of the anchor bolt 2, and the other end is matched with the gauge block groove 81 on the gauge block 8, meanwhile, the upper surface of the mounting auxiliary plate 5 is provided with a pre-installation boss 51, and the pre-installation boss 51 is matched with the pre-installation groove 71 below the elastic strip nylon cap 7; the anchor bolt 2 is arranged below the elastic strip position, sequentially penetrates through the iron seat 4 and the heightening base plate 3, is connected with the embedded nylon sleeve 1, and fixes the iron seat 4 to the road bed.
Example 2
Referring to fig. 12 to 13, the difference from embodiment 1 is that the spring bar 6 is changed to an e-shaped spring bar, and two bolt through holes 44 are provided in the iron seat 4.
The above embodiments are only used for illustrating the technical solution of the present invention, and are not intended to limit the present invention, and those skilled in the art can make equivalent changes, substitutions, modifications, and simplifications within the scope of the present invention, without departing from the spirit of the present invention, and shall also fall within the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a separation symmetry formula iron stand fastener system, includes anchor bolt (2), iron stand (4), bullet strip (6), gauge block (8), its characterized in that, iron stand (4) have two, independent symmetrical arrangement is in rail (10) both sides, and iron stand (4) lower surface sets up heightening backing plate (3), anchor bolt (2) run through on iron stand (4) and heighten backing plate (3), fix iron stand (4) on the railway roadbed, are provided with installation auxiliary plate (5) on the nut of each anchor bolt (2), and this installation auxiliary plate (5) one end is connected with anchor bolt (2), and the other end overlap joint has all been inserted bullet strip (6) in each iron stand (4), and two bullet strip (6) symmetry locks are in rail (10) both sides.
2. The split symmetrical iron seat fastener system according to claim 1, wherein the two ends of the heightening base plate (3) are respectively provided with a return groove (31), the two iron seats (4) are respectively placed in the two return grooves (31), and the upper surface of the middle part of the heightening base plate (3) is further provided with a rail lower base plate (9).
3. The split symmetrical iron seat fastener system according to claim 1 or 2, wherein the iron seat (4) comprises a bottom plate and elastic strip seats (41) arranged on two sides of the bottom plate, a slope round hole (42) is arranged on the inner side of each elastic strip seat (41), and a limiting block (43) is arranged at the end of each elastic strip seat.
4. The split symmetrical iron seat fastener system according to claim 3, wherein the elastic strip (6) comprises an elastic part for fastening the steel rail (10), an elastic strip elastic toe (61) connected with the iron seat (4), and an elastic toe groove (62) arranged at the end of the elastic strip elastic toe (61), the elastic strip elastic toe (61) is inserted into the slope round hole (42), and the elastic toe groove (62) is matched with the limit block (43) to enable the elastic strip (6) to be mounted on the iron seat (4).
5. The split symmetric iron seat fastener system as claimed in claim 4, wherein the elastic strip (6) is provided with an elastic strip nylon cap (7) on the elastic part of the fastening rail (10), and a pre-installation groove (71) is arranged below the elastic strip nylon cap (7).
6. The split symmetric iron seat fastener system according to claim 5, wherein the gauge block (8) is provided with steps (82) at both ends, the steps (82) are inserted among the gap between the rail lower backing plate (9), the iron seat (4) and the steel rail (10) and press the rail lower backing plate (9), and the gauge block (8) is further provided with a gauge block groove (81), and the gauge block groove (81) is used for positioning and installing the auxiliary plate (5).
7. The split symmetric iron seat fastener system as claimed in claim 6, wherein one end of the mounting auxiliary plate (5) is sleeved on the nut of the anchor bolt (2), the other end of the mounting auxiliary plate is matched with the track gauge block groove (81) on the track gauge block (8), and meanwhile, the upper surface of the mounting auxiliary plate (5) is provided with a preassembly boss (51), and the preassembly boss (51) is matched with the preassembly groove (71) below the elastic strip nylon cap (7).
8. The split symmetric iron seat fastener system according to claim 1, wherein the heightening base plate (3) and the iron seat (4) are respectively pre-provided with a through hole (32) and a bolt through hole (44), the anchor bolt (2) is arranged below the elastic strip (6) and sequentially passes through the through hole (32) and the bolt through hole (44) to be matched and connected with a nylon sleeve (1) pre-embedded in a ballast bed, and the iron seat (4) is fixed on the track bed, so that the whole system is fixed.
9. The split symmetrical iron seat fastener system as claimed in claim 1, wherein said spring bar (6) is in the form of a switch, e or w.
10. The split symmetric iron seat fastener system as claimed in claim 1, wherein said heightening pad plate (3) is made of non-metal high-strength insulating material or high-density polyethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920996438.8U CN210712388U (en) | 2019-06-28 | 2019-06-28 | Split symmetrical iron seat fastener system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920996438.8U CN210712388U (en) | 2019-06-28 | 2019-06-28 | Split symmetrical iron seat fastener system |
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| Publication Number | Publication Date |
|---|---|
| CN210712388U true CN210712388U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920996438.8U Active CN210712388U (en) | 2019-06-28 | 2019-06-28 | Split symmetrical iron seat fastener system |
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| CN (1) | CN210712388U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158374A (en) * | 2019-06-28 | 2019-08-23 | 上海工程技术大学 | A kind of symmetrical iron seat fastener system of separation |
| CN114922010A (en) * | 2022-05-22 | 2022-08-19 | 苏州市丽苏塑胶科技有限公司 | Reinforced insulation gauge block for elastic strip fastener and manufacturing process thereof |
-
2019
- 2019-06-28 CN CN201920996438.8U patent/CN210712388U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158374A (en) * | 2019-06-28 | 2019-08-23 | 上海工程技术大学 | A kind of symmetrical iron seat fastener system of separation |
| CN110158374B (en) * | 2019-06-28 | 2023-08-18 | 上海工程技术大学 | Separation symmetrical iron seat fastener system |
| CN114922010A (en) * | 2022-05-22 | 2022-08-19 | 苏州市丽苏塑胶科技有限公司 | Reinforced insulation gauge block for elastic strip fastener and manufacturing process thereof |
| CN114922010B (en) * | 2022-05-22 | 2023-08-04 | 苏州市丽苏塑胶科技有限公司 | Reinforced insulation track gauge block for elastic strip fastener and manufacturing process thereof |
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