CN110158374B - Separation symmetrical iron seat fastener system - Google Patents
Separation symmetrical iron seat fastener system Download PDFInfo
- Publication number
- CN110158374B CN110158374B CN201910578236.6A CN201910578236A CN110158374B CN 110158374 B CN110158374 B CN 110158374B CN 201910578236 A CN201910578236 A CN 201910578236A CN 110158374 B CN110158374 B CN 110158374B
- Authority
- CN
- China
- Prior art keywords
- iron seat
- strip
- iron
- spring
- fastener system
- 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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Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 151
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 76
- 238000000926 separation method Methods 0.000 title claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 17
- 239000004677 Nylon Substances 0.000 claims description 16
- 229920001778 nylon Polymers 0.000 claims description 16
- 229920001903 high density polyethylene Polymers 0.000 claims description 2
- 239000004700 high-density polyethylene Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 210000003371 toe Anatomy 0.000 description 12
- 238000012423 maintenance Methods 0.000 description 7
- 238000004873 anchoring Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 241001669679 Eleotris Species 0.000 description 1
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention relates to a separated symmetrical iron seat fastener system which comprises anchor bolts (2), iron seats (4), elastic strips (6) and track gauge blocks (8), and is characterized in that the two iron seats (4) are independently and symmetrically arranged on two sides of a steel rail (10), a height-adjusting base plate (3) is arranged on the lower surface of each iron seat (4), the anchor bolts (2) penetrate through the iron seats (4) and the height-adjusting base plate (3) to fix the iron seats (4) on a roadbed, a mounting auxiliary plate (5) is arranged on a nut of each anchor bolt (2), one end of each mounting auxiliary plate (5) is connected with the anchor bolts (2), the other end of each mounting auxiliary plate is lapped on the track gauge blocks (8), the elastic strips (6) are inserted into each iron seat (4), and the two elastic strips (6) are symmetrically buckled on two sides of the steel rail (10). Compared with the prior art, the invention adopts the bolt-free switch type spring strip, and the iron seat is designed to be symmetrically separated, so that the invention has the advantages of simple structure, low cost, convenient disassembly, strong adaptability, high system reliability and the like.
Description
Technical Field
The invention relates to the field of rail transit, in particular to a separated symmetrical iron seat fastener system.
Background
As rail transit networks continue to increase, the demand for rail fasteners is also increasing. It is counted that the common fasteners account for 60% of the line planning. In the common fastener system, common fastener designs are spring strips, rail bottom pads, iron seats, height adjusting pads and anchor bolts, and the whole set of fastener has simple structure, high installation efficiency, low price and the like.
The common fastener design has related problems in the use process, for example, when an iron seat is broken in subway maintenance or other reasons need to be replaced, the steel rail must be lifted up, and meanwhile, all the spring strips on the affected fasteners need to be removed for replacement, so that the maintenance difficulty is greatly increased, and the maintenance efficiency is low; meanwhile, the fastener elastic strip is low in installation efficiency, and the problems of e-shaped elastic strip and toe transition installation or overlarge w-shaped elastic strip installation torque and the like often occur in the installation process; and the existing common fastener iron seat costs account for 40% of the total fastener cost, the structure and cost need to be considered when designing the fastener system.
Chinese patent CN 109457554A discloses a ballastless track fastener system, which comprises an iron pad, a gauge baffle, a spring strip, an anchor bolt, an insulating block and a cushion pad; the system still includes the blotter early warning subassembly that becomes invalid, the blotter is become invalid pretension subassembly and is assembled and can trigger the visual early warning signal of the outside release of blotter early warning subassembly when the blotter thickness subsides below the threshold value, but this supporting sleeper of ballastless track fastener system need take the fender shoulder, adopts anchor bolt mode to withhold the bullet strip, the iron backing plate sets up to monolithic structure, overall structure is complicated, the adaptability is poor, the installation effectiveness is low, market cost is higher, and this system structure class is high-altitude ballastless track structure is current, the high-speed condition of train makes W type bullet strip appear the damage fracture easily.
Therefore, there is a need to provide a spring bar 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, other fasteners nearby cannot be affected, so that the maintenance efficiency can be greatly improved, and the cost is reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a split symmetrical iron seat fastener system with high reliability, convenient maintenance and low cost.
The aim of the invention can be achieved by the following technical proposal
The utility model provides a separation symmetry formula iron seat fastener system, includes anchor bolt, iron seat, bullet strip, gauge piece, iron seat have two, independent symmetrical arrangement is in rail both sides, iron seat lower surface sets up the height-adjusting backing plate, anchor bolt runs through iron seat and height-adjusting backing plate, fixes iron seat on the road bed, is provided with the installation on the nut of each anchor bolt and assists the board, should install and assist board one end and anchor bolted connection, the other end overlap joint is on the gauge piece to bullet strip preassembles and plays the anticreep effect. Spring strips are inserted into each iron seat, and the two spring strips are symmetrically buckled on two sides of the steel rail.
Further, the two ends of the height-adjusting base plate are respectively provided with a return groove, the two iron seats are respectively arranged in the two return grooves, and the upper surface of the middle part of the height-adjusting base plate is also provided with a rail lower base plate. The return groove can limit the horizontal movement of the iron seat and prevent the two separated iron seats from rotating during assembly.
Further, the iron seat comprises a bottom plate and spring strip seats arranged on two sides of the bottom plate, slope round holes are formed in the inner sides of the spring strip seats, and limiting blocks are arranged at the ends of the spring strip seats.
Further, the bullet strip include the elastic component of withholding the rail, with the bullet strip bullet toe of iron seat connection 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, bullet toe recess and stopper match simultaneously, make bullet strip install on the iron seat.
Further, the elastic part of the elastic strip buckling steel rail is sleeved with an elastic strip nylon cap, and a preassembly groove is arranged below the elastic strip nylon cap.
Further, the two ends of the gauge block are provided with steps which are inserted between the gaps of the rail lower base plate, the iron seat and the steel rail and compress the rail lower base plate, and the gauge block is also provided with a gauge block groove which is used for positioning and installing the auxiliary plate.
Further, one end of the installation auxiliary plate is sleeved on the anchoring bolt and nut, the other end of the installation auxiliary plate is matched with the gauge block groove on the gauge block, meanwhile, the upper surface of the installation auxiliary plate is provided with a preassembly boss, and the preassembly boss is matched with the preassembly groove below the elastic strip nylon cap.
Further, the height-adjusting base plate and the iron seat are respectively provided with a through hole and a bolt through hole in advance, the anchoring bolt is arranged below the spring strip position, sequentially penetrates through the through holes and the bolt through holes and is in matched connection with a nylon sleeve embedded in the ballast bed, the iron seat is fixed on the track bed, and then the whole system is fixed.
Further, the spring strip is in a switch type, an e-shaped or a w-shaped.
Further, the height-adjusting backing plate is made of nonmetal high-strength insulating materials or high-density polyethylene materials.
Compared with the prior art, the invention has the following advantages
(1) Compared with the e-shaped elastic strip and the w-shaped elastic strip, the bolt-free elastic strip is more flexible and easy to assemble and disassemble;
(2) The iron seat is designed to be symmetrically separated, so that the iron seat is firmer than one iron seat in the prior art;
(3) The structure of the auxiliary plate is adopted, so that the spring strip 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 friction force between the elastic strip nylon sleeve and the steel rail can be increased;
(5) The invention has the advantages of simple overall structure, low cost, convenient disassembly, strong adaptability and high reliability;
(6) The fastener does not need to say that the steel rail is lifted when the iron casting needs to be replaced, so that other nearby fasteners are not affected when the iron casting needs to be replaced, the maintenance efficiency can be greatly improved, and the cost is reduced.
Drawings
Fig. 1 is a schematic general structure of embodiment 1;
fig. 2 is a general structural sectional view of embodiment 1;
FIG. 3 is a schematic view of the structure of the height-adjusting pad in embodiment 1;
FIG. 4 is a schematic view of the iron seat in embodiment 1;
FIG. 5 is a schematic view of the elastic strip and nylon sheath of the elastic strip in embodiment 1;
FIG. 6 is a schematic view of the gauge block structure in example 1;
FIGS. 7 and 8 are schematic views of the mounting sub-board structure of embodiment 1;
FIG. 9 is a schematic view showing the structure of a rail pad in embodiment 1;
fig. 10 is a schematic view of the structure of an anchor bolt in embodiment 1;
FIG. 11 is a schematic view of the nylon sleeve structure in example 1;
FIG. 12 is a schematic diagram of the overall structure of the e-spring-strip-corresponding buckle subtracting system of embodiment 2;
fig. 13 is a schematic view showing a structure in which two anchor bolt holes are provided in an iron seat of embodiment 2.
The reference numerals in the drawing show that 1-nylon sleeve, 2-anchor bolts, 3-height-adjusting backing plates, 31-return grooves, 32-through holes, 4-iron seats, 41-spring strip seats, 42-slope round holes, 43-limiting blocks, 44-bolt through holes, 5-mounting auxiliary plates, 51-preassembled bosses, 6-spring strips, 61-spring toes, 62-spring toe grooves, 7-spring strip nylon caps, 71-preassembled grooves, 8-gauge blocks, 81-gauge block grooves, 82-steps, 9-rail lower backing plates and 10-rails.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples.
Example 1
As shown in fig. 1-11, a split symmetrical iron seat fastener system is provided, wherein the fastener mainly comprises an elastic strip 6, an anchor bolt 2 and an iron seat 4, the iron seat 4 is symmetrically split, a height-adjusting base plate 3 is arranged on the lower surface, and the iron seat is positioned through step grooves 31 at two ends of the height-adjusting base 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 height-adjusting base plate 3; the cap of the anchor bolt 2 is provided with a mounting auxiliary plate 5; one end of the installation auxiliary plate 5 is connected with the anchor bolt 2, and the other end is lapped on the gauge block 8, so that the elastic strip 6 is conveniently preassembled and plays a role in preventing falling.
As shown in fig. 2 and 3, the two ends of the height-adjusting base plate 3 are respectively provided with a step groove 31 for placing the iron seat 4, the step grooves 31 can limit the horizontal movement of the iron seat 4, and meanwhile, the upper surface of the middle part of the height-adjusting base plate 3 is provided with a rail lower base plate 9.
As shown in fig. 4 and 5, the iron seat 4 has two pieces, which are respectively disposed at two sides of the rail 10 and are separated independently. The iron seat 4 is provided with the spring strip seat 41 of the spring strip 6, the installation hole of the spring strip seat 41 is set into a slope round hole 42, the size of the hole is slightly larger than the diameter of the spring strip, when the spring strip spring toe 61 enters upwards along the slope, the spring strip seat plays a role in guiding and limiting, and plays a role in preventing falling after the spring strip is installed. Limiting blocks 43 are arranged on two sides of the iron seat 4 and correspond to the spring toe grooves 62 on the spring strip spring toe 61 to prevent the spring strip 6 from loosening.
As shown in fig. 6, the two ends of the gauge block 8 are provided with steps 11 and are connected with rib plates at the two ends of the installation seat of the toe 61; meanwhile, a gauge block groove 81 is formed in the surface of the gauge block 8, and an auxiliary plate is positioned and installed; the middle of the gauge block 8 is provided with the step 82, and the rail lower backing plate 9 can be pressed under the step 82 during installation, so that the installation is convenient.
As shown in fig. 7, 8, 9, 10 and 11, one end of the auxiliary mounting plate 5 is sleeved on the nut of the anchor bolt 2, one end of the auxiliary mounting plate is matched with the track gauge block groove 81 on the track gauge block 8, meanwhile, the upper surface of the auxiliary mounting plate 5 is provided with a preassembly boss 51, and the preassembly boss 51 is matched with a preassembly groove 71 below the elastic nylon cap 7; the anchoring bolt 2 is arranged below the spring strip position, sequentially passes through the iron seat 4 and the height-adjusting base plate 3, and is connected with the embedded nylon sleeve 1 to fix the iron seat 4 on the road bed.
Example 2
Referring to fig. 12 to 13, the difference from embodiment 1 is that the spring strip 6 is changed to an e-shaped spring strip, and two bolt through holes 44 are provided on the iron base 4.
The above embodiments are only for illustrating the technical solution of the present invention, but not for limiting the present invention, and the changes, substitutions, modifications and simplifications made by those skilled in the art within the spirit of the present invention are equivalent changes without departing from the spirit of the present invention, and the present invention shall also fall within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a separation symmetry formula iron seat fastener system, includes anchor bolt (2), iron seat (4), bullet strip (6), gauge piece (8), its characterized in that, iron seat (4) have two, independent symmetrical arrangement is in rail (10) both sides, iron seat (4) lower surface sets up and adjusts high backing plate (3), anchor bolt (2) run through iron seat (4) and adjust high backing plate (3), fixed iron seat (4) on the dado, be provided with on the nut of each anchor bolt (2) and install auxiliary plate (5), should install auxiliary plate (5) one end and anchor bolt (2) are connected, the other end overlap joint is on gauge piece (8), all insert bullet strip (6) in each iron seat (4), two bullet strip (6) symmetry lock are in rail (10) both sides;
the elastic part of the elastic strip (6) for buckling the steel rail (10) is sleeved with an elastic strip nylon cap (7), and a preassembly groove (71) is arranged below the elastic strip nylon cap (7);
one end of the installation auxiliary plate (5) is sleeved on the screw cap of the anchor bolt (2), the other end of the installation auxiliary plate is matched with the gauge block groove (81) on the gauge block (8), meanwhile, the upper surface of the installation 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 nylon cap (7).
2. The separated symmetrical iron seat fastener system according to claim 1, wherein two ends of the height-adjusting base plate (3) are respectively provided with a return groove (31), two iron seats (4) are respectively placed in the two return grooves (31), and the upper surface of the middle part of the height-adjusting base plate (3) is also provided with a rail lower base plate (9).
3. A separable symmetrical iron seat fastener system according to claim 1 or 2, wherein the iron seat (4) comprises a bottom plate and spring strip seats (41) arranged on two sides of the bottom plate, slope round holes (42) are arranged on the inner sides of the spring strip seats (41), and limiting blocks (43) are arranged at ends of the spring strip seats.
4. A split symmetrical iron seat fastener system according to claim 3, wherein said spring strip (6) comprises a spring portion for holding said rail (10), a spring strip spring toe (61) connected to said iron seat (4), and a spring toe groove (62) provided at the end of said spring strip spring toe (61), said spring strip spring toe (61) being inserted into said ramp round hole (42), said spring toe groove (62) being matched with said stopper (43) to mount said spring strip (6) on said iron seat (4).
5. The split symmetrical iron seat fastener system according to claim 1, wherein the two ends of the gauge block (8) are provided with steps (82), the steps (82) are inserted between the gaps of the rail lower base plate (9), the iron seat (4) and the steel rail (10) and compress the rail lower base plate (9), 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).
6. The separated symmetrical iron seat fastener system according to claim 1, wherein through holes (32) and bolt through holes (44) are respectively preset on the heightening base plate (3) and the iron seat (4), the anchor bolts (2) are arranged below the positions of the elastic strips (6), sequentially penetrate through the through holes (32) and the bolt through holes (44) and are connected with nylon sleeves (1) embedded in a ballast bed in a matching manner, so that the iron seat (4) is fixed on the track bed, and the whole system is fixed.
7. A split symmetrical iron seat fastener system as claimed in claim 1, wherein the spring strip (6) is a switch type,eShape or formwShape.
8. The split symmetrical iron seat fastener system of claim 1, wherein the height-adjusting shim plate (3) is a nonmetallic high-strength insulating material or a high-density polyethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910578236.6A CN110158374B (en) | 2019-06-28 | 2019-06-28 | Separation symmetrical iron seat fastener system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910578236.6A CN110158374B (en) | 2019-06-28 | 2019-06-28 | Separation symmetrical iron seat fastener system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110158374A CN110158374A (en) | 2019-08-23 |
| CN110158374B true CN110158374B (en) | 2023-08-18 |
Family
ID=67637306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910578236.6A Active CN110158374B (en) | 2019-06-28 | 2019-06-28 | Separation symmetrical iron seat fastener system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110158374B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941260A (en) * | 2022-05-24 | 2022-08-26 | 中铁隆昌铁路器材有限公司 | Iron seat fastener system suitable for urban railway and installation method thereof |
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2019
- 2019-06-28 CN CN201910578236.6A patent/CN110158374B/en active Active
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|---|---|
| CN110158374A (en) | 2019-08-23 |
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Effective date of registration: 20240510 Address after: 061602 Economic Development Zone, Dongguang County, Cangzhou City, Hebei Province Patentee after: Hebei zhongshuo Rail Technology Co.,Ltd. Country or region after: China Address before: 201620 No. 333, Longteng Road, Shanghai, Songjiang District Patentee before: SHANGHAI University OF ENGINEERING SCIENCE Country or region before: China Patentee before: RIERHUA (SHANGHAI) TRANSPORTATION TECHNOLOGY Co.,Ltd. Patentee before: ANHUI HUITONG TRACK TRAFFIC RESEARCH INSTITUTE Co.,Ltd. |