CN111395071A - Height adjusting assembly and method for pre-buried iron seat fastener of ballastless track with elastic supporting block - Google Patents
Height adjusting assembly and method for pre-buried iron seat fastener of ballastless track with elastic supporting block Download PDFInfo
- Publication number
- CN111395071A CN111395071A CN202010102106.8A CN202010102106A CN111395071A CN 111395071 A CN111395071 A CN 111395071A CN 202010102106 A CN202010102106 A CN 202010102106A CN 111395071 A CN111395071 A CN 111395071A
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- CN
- China
- Prior art keywords
- iron seat
- fastener
- supporting block
- ballastless track
- embedded iron
- 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.)
- Pending
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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
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
- E01B9/685—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by their shape
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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
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
- E01B29/22—Raising rails from sleepers, e.g. for inserting sole-plates
-
- 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
-
- 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
- E01B9/685—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by their shape
- E01B9/688—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by their shape with internal cavities
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention relates to a height adjusting assembly and a method for an embedded iron seat fastener of a ballastless track with an existing elastic supporting block, wherein the method comprises the following steps: removing the pre-buried iron seat fasteners in the range needing to be adjusted of the existing line and lifting the steel rail; adding a split type height-adjusting base plate between the rubber base plate and the surface of the supporting block; fine tuning pad adjustment is used between the rubber pad and the bottom surface of the steel rail; and installing a box-type gauge baffle of the frame, and installing the fastener of the pre-buried iron seat back. The method is mainly applied to the place where the existing embedded iron seat is difficult to meet the requirement of height adjustment for laying the elastic supporting block type ballastless track, the proper insulating gauge block and the height adjusting base plate are replaced to achieve the large height adjustment amount, the large height adjustment amount of the fastener can be adjusted under the condition that the steel rail is not disassembled and the track lifting at large height is not needed, the construction speed is high, the interference to the line is small, and the adaptability to the existing ballastless track bed is good.
Description
Technical Field
The invention relates to the technical field of rail engineering, in particular to a height adjusting assembly and method for an embedded iron seat fastener of a ballastless rail with an existing elastic supporting block.
Background
The elastic support block type ballastless track has the characteristics of economical manufacturing cost, excellent elasticity, vibration and noise reduction, low maintenance amount, simple and convenient replacement, mature technology and the like, and has wide and long-term application examples at home and abroad. Along with the increase of the laying mileage of the elastic supporting block type ballastless track and the increase of the service time of the existing engineering, the height adjustment requirement of part of sections on the elastic supporting block type ballastless track is larger and larger. The height-adjusting capacity of the elastic supporting block type ballastless track embedded iron seat fastener is 0 to +10mm, the requirement for track smoothness is still difficult to meet after the maximum height adjustment of 10mm is carried out on part of construction sites, the damage of a track structure is inevitably accelerated, the phenomenon of vehicle shaking is generated, the riding comfort of passengers is influenced, and potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a height-adjusting assembly and a method for an embedded iron seat fastener of an existing elastic supporting block ballastless track, which can adjust the height of the existing elastic supporting block ballastless track on the premise of not dismantling a disturbed ballastless track structure and solve the defect of insufficient height-adjusting capability of the embedded iron seat fastener.
The technical scheme adopted by the invention is as follows:
the height adjusting method of the fastener of the pre-buried iron seat of the ballastless track of the existing elastic supporting block is characterized by comprising the following steps:
the method comprises the following steps:
the first step is as follows: removing the pre-buried iron seat fasteners in the range needing to be adjusted of the existing line and lifting the steel rail;
the second step is that: adding a split type height-adjusting base plate between the rubber base plate and the surface of the supporting block;
the third step: fine tuning pad adjustment is used between the rubber pad and the bottom surface of the steel rail;
the fourth step: and installing a frame box type gauge apron and installing the fastener back.
The first step is specifically:
loosening the cap-shaped nut in the pre-buried iron seat fastener in the range needing to be adjusted, sequentially disassembling the gasket, the elastic strip, the gauge stop block, the T-shaped bolt and the insulating gauge block in the pre-buried iron seat fastener, lifting the steel rail by using the jack, and extracting the rubber base plate and the fine adjustment base plate in the pre-buried iron seat fastener.
In the second step, the split type heightening base plate comprises a left single plate and a right single plate which are in butt joint, and the middle of the whole body is provided with a front opening and a rear opening which correspond to the blocking toes of the embedded iron seat.
The left and right single plates of the split height-adjusting base plate are respectively a button single plate and a button single plate;
the end face of the right side of the button single plate is provided with a connecting button which is convex transversely, and the outer end of the connecting button is hooked downwards;
the left side of the surface of the button single plate is provided with a slot corresponding to the shape of a connecting button of the button single plate;
the connecting buckle of the button single plate is embedded into the open slot of the button single plate from top to bottom, and the two form a split type height-adjusting cushion plate.
The fourth step is specifically as follows:
install frame box-type gauge dog to the fender toe of pre-buried iron stand on, then the other components of pre-buried iron stand fastener of dress back, including the insulating gauge block of installation to place the bullet strip on frame box-type gauge dog, penetrate the packing ring with T type bolt and adopt the lid nut to fix in place at last.
Open holes corresponding to the blocking toes of the embedded iron seat are formed in the front and the back of the frame box type gauge stop block, open holes corresponding to the T-shaped bolts are formed between the front open hole and the back open hole, grooves corresponding to the insulating gauge block are formed in the upper portion of the inner side end face, and grooves corresponding to the elastic strips are formed in the outer side of the top face.
The frame box-type gauge stop block is in a box body shape lacking the bottom surface, and the open holes corresponding to the embedded iron seat stop toes and the T-shaped bolts are formed in the top surface of the box body.
In the first step: the steel rail is raised by 20-30 mm.
The thickness of the split height-adjusting cushion plate is 10 or 20 mm.
The thickness of the fine tuning pad plate is 1-10 mm.
The invention has the following advantages:
the invention is characterized in that the frame box type gauge apron adopts a frame box type with annular wrapping, and the toe guard at the end of the embedded iron seat can be wrapped in the frame box type gauge apron, so that the stress of the frame box type gauge apron is integrated and rationalized; the adopted split type height-adjusting base plate is a split type detachable button and nut combined structure.
The invention is mainly applied to the laying elastic supporting block type ballastless track section of which the existing embedded iron seat is difficult to meet the height adjustment requirement. When in use, the steel rail is firstly disassembled and lifted by 20-30mm, and the split height-adjusting base plates are added on the surfaces of the rubber base plate and the supporting block, so that the height adjustment amount can be increased by 10 or 20 mm. The method is characterized in that a fine adjustment base plate is used for adjustment between a rubber base plate and the bottom surface of a steel rail, so that the adjustment amount is adaptive to change within the range of 1-10mm, a proper insulating gauge block is replaced to enable the smoothness of the rail to meet the requirement, a box-type gauge baffle, an insulating gauge block and an elastic strip are sequentially installed and fixed by T-shaped bolts, finally, a fastener system meets the requirement of large adjustment amount, the adjustment of large adjustment amount of a fastener can be carried out under the condition that the steel rail is not detached and does not need to be lifted to a large height, the construction speed is high, the line interference is small, and the adaptability to the existing ballastless track bed is good.
Drawings
Fig. 1 is a schematic diagram showing comparison between an existing elastic support block and a ballastless track before and after height adjustment (the left side is before height adjustment, and the right side is after height adjustment).
Fig. 2 is a top view of the cassette gauge block of the frame.
Fig. 3 is a bottom view structural view of the cassette gauge block of the frame.
Fig. 4 is a structure view of the split type heightening base plate.
Fig. 5 is a structure diagram of a button single plate in the split type heightening base plate.
Fig. 6 is a structure diagram of a button nut single plate in the split type heightening base plate.
The figure includes: the steel rail track gauge comprises a steel rail (1), a gasket (2), an elastic strip (3), a gauge stop block (4), a T-shaped bolt (5), a pre-buried iron seat (6), an insulating gauge block (7), a rubber base plate (8), a fine adjustment base plate (9), a split type height adjustment base plate (10), a cover-shaped nut (11), a supporting block (12) and a frame box type gauge stop block (13).
Detailed Description
The present invention will be described in detail with reference to specific embodiments.
The invention relates to a height adjusting method for an embedded iron seat fastener of a ballastless track with an existing elastic supporting block, which is mainly applied to a place where the existing embedded iron seat is difficult to meet the height adjusting requirement for laying the elastic supporting block ballastless track.
Referring to the left half part of fig. 1, the pre-buried iron seat fastener comprises a gasket 2, an elastic strip 3, a gauge stop 4, a T-shaped bolt 5, a cap nut 11, a pre-buried iron seat 6, an insulating gauge block 7 and a rubber base plate 8. Referring to the right half of fig. 1, the height-adjusting method of the present invention comprises the following steps:
the first step is as follows: removing the pre-buried iron seat fastener in the range needing to be adjusted of the existing line and lifting the steel rail 1; the method specifically comprises the following steps:
loosening the cap-shaped nut 11 in the embedded iron seat fastener in the range needing to be adjusted, sequentially disassembling the gasket 2, the elastic strip 3, the gauge stop 4, the T-shaped bolt 5 and the insulating gauge block 7 in the embedded iron seat fastener, lifting the steel rail 1 by using the jack, and extracting the rubber base plate 8 and the fine adjustment base plate 9 in the embedded iron seat fastener.
The second step is that: a split type height-adjusting cushion plate 10 is added between the rubber cushion plate 8 and the surface of the supporting block 12;
the split type heightening base plate 10 comprises a left single plate and a right single plate which are in butt joint, and the middle of the whole body is provided with a front opening and a rear opening which correspond to the toe stops of the embedded iron seat 6. The left and right single plates of the split heightening base plate 10 are respectively a button single plate and a button single plate; the end face of the right side of the button single plate is provided with a connecting button which is convex transversely, and the outer end of the connecting button is hooked downwards; the left side of the surface of the button single plate is provided with a slot corresponding to the shape of a connecting button of the button single plate; the connecting buckle of the button single plate is embedded into the open slot of the button single plate from top to bottom, and the two form a split type height-adjusting cushion plate 10.
The third step: a fine adjustment backing plate 9 is used for adjusting between the rubber backing plate 8 and the bottom surface of the steel rail 1;
the fourth step: and installing a frame box type gauge baffle 13 and installing the fastener of the embedded iron seat back. The method specifically comprises the following steps:
install frame box-type gauge block 4 to the fender toe of pre-buried iron seat 6 on, then the other components of pre-buried iron seat fastener of dress back, including installation insulating gauge block 7 to place bullet strip 3 on frame box-type gauge block 4, penetrate gasket 2 and adopt the lid nut 11 to fix in place with T type bolt 5 at last.
Open holes corresponding to the stop toes of the embedded iron seat 6 are formed in the front and the back of the frame box type gauge stop block 13, open holes corresponding to the T-shaped bolts 5 are formed between the front open hole and the back open hole, grooves corresponding to the insulating gauge block 7 are formed in the upper portion of the inner side end face, and grooves corresponding to the elastic strips 3 are formed in the outer side of the top face. The frame box type gauge block 13 is in a box body shape lacking a bottom surface, and open holes corresponding to the stop toes of the embedded iron seat 6 and the T-shaped bolts 5 are formed in the top surface of the box body.
In the first step: the rail 1 is raised by 20-30 mm. The thickness of the split type height-adjusting cushion plate 10 is 10mm and 20mm, and the height adjustment amount can be increased by 10mm and 20 mm. The thickness of the fine tuning backing plate 9 is 1-10mm, the proper thickness is selected according to needs, the height adjusting range is 1-10mm, and the proper insulating gauge block is replaced to enable the smoothness of the track to meet the requirements.
The invention is not limited to the examples, and any equivalent changes to the technical solution of the invention by a person skilled in the art after reading the description of the invention are covered by the claims of the invention.
Claims (10)
1. The height adjusting method of the fastener of the pre-buried iron seat of the ballastless track of the existing elastic supporting block is characterized by comprising the following steps:
the method comprises the following steps:
the first step is as follows: removing the pre-buried iron seat fastener in the range needing to be adjusted of the existing line and lifting the steel rail (1);
the second step is that: a split type height-adjusting cushion plate (10) is added between the rubber cushion plate (8) and the surface of the supporting block (12);
the third step: a fine adjustment base plate (9) is used for adjustment between the rubber base plate (8) and the bottom surface of the steel rail (1);
the fourth step: and installing a frame box type gauge apron (13) and installing the fastener back.
2. The method for heightening the fastener of the embedded iron seat of the ballastless track of the existing elastic supporting block according to claim 1, characterized in that:
the first step is specifically:
loosening a cover-shaped nut (11) in the embedded iron seat fastener in a range needing to be adjusted, sequentially disassembling a gasket (2), an elastic strip (3), a gauge stop block (4), a T-shaped bolt (5) and an insulating gauge block (7) in the embedded iron seat fastener, lifting a steel rail (1) by using a jack, and extracting a rubber base plate (8) and a fine adjustment base plate (9) in the embedded iron seat fastener.
3. The method for heightening the fastener of the embedded iron seat of the ballastless track of the existing elastic supporting block according to claim 2, characterized in that:
in the second step, the split type heightening base plate (10) comprises a left single plate and a right single plate which are in butt joint, and the middle of the whole body is provided with a front opening and a rear opening which correspond to the blocking toes of the embedded iron seat (6).
4. The method for heightening the fastener of the embedded iron seat of the ballastless track of the existing elastic supporting block according to claim 3, characterized in that:
the left and right single plates of the split heightening base plate (10) are respectively a button single plate and a button single plate;
the end face of the right side of the button single plate is provided with a connecting button which is convex transversely, and the outer end of the connecting button is hooked downwards;
the left side of the surface of the button single plate is provided with a slot corresponding to the shape of a connecting button of the button single plate;
the connecting buckle of the button single plate is embedded into the open slot of the button single plate from top to bottom, and the two form a split type height-adjusting cushion plate (10).
5. The method for heightening the fastener of the embedded iron seat of the ballastless track of the existing elastic supporting block according to claim 2, characterized in that:
the fourth step is specifically as follows:
install frame box-type gauge dog (4) to the fender toe of pre-buried iron seat (6) on, then put back other components of pre-buried iron seat fastener, including installation insulating gauge block (7) to place bullet strip (3) on frame box-type gauge dog (4), penetrate packing ring (2) and adopt cap nut (11) to fix in place with T type bolt (5) at last.
6. The method for heightening the fastener of the embedded iron seat of the ballastless track of the existing elastic supporting block according to claim 5, characterized in that:
open holes corresponding to the blocking toes of the embedded iron seat (6) are formed in the front and the back of the frame box type gauge stop block (13), open holes corresponding to the T-shaped bolts (5) are formed between the front open hole and the back open hole, a groove corresponding to the insulating gauge block (7) is formed in the upper portion of the inner side end face, and a groove corresponding to the elastic strip (3) is formed in the outer side of the top face.
7. The method for heightening the fastener of the embedded iron seat of the ballastless track of the existing elastic supporting block according to claim 6, characterized in that:
the frame box-type gauge stop block (13) is in a box body shape lacking the bottom surface, and open holes corresponding to the stop toes of the embedded iron seat (6) and the T-shaped bolts (5) are formed in the top surface of the box body.
8. The method for heightening the fastener of the embedded iron seat of the ballastless track of the existing elastic supporting block according to claim 1, characterized in that:
in the first step: the steel rail (1) is lifted by 20-30 mm.
9. The method for heightening the fastener of the embedded iron seat of the ballastless track of the existing elastic supporting block according to claim 8, characterized in that:
the thickness of the split height-adjusting cushion plate (10) is 10 or 20 mm.
10. The method for heightening the fastener of the embedded iron seat of the ballastless track of the existing elastic supporting block according to claim 9, characterized in that:
the thickness of the fine tuning backing plate (9) is 1-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010102106.8A CN111395071A (en) | 2020-02-19 | 2020-02-19 | Height adjusting assembly and method for pre-buried iron seat fastener of ballastless track with elastic supporting block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010102106.8A CN111395071A (en) | 2020-02-19 | 2020-02-19 | Height adjusting assembly and method for pre-buried iron seat fastener of ballastless track with elastic supporting block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111395071A true CN111395071A (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010102106.8A Pending CN111395071A (en) | 2020-02-19 | 2020-02-19 | Height adjusting assembly and method for pre-buried iron seat fastener of ballastless track with elastic supporting block |
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|---|---|
| CN (1) | CN111395071A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251445A (en) * | 2011-05-11 | 2011-11-23 | 衡水通用铁路器材有限公司 | Heightening fastener for passenger dedicated line and use method thereof |
| CN203007739U (en) * | 2012-09-29 | 2013-06-19 | 中国铁道科学研究院铁道建筑研究所 | Stopping-shoulder-free fastening assembly with iron base plate |
| CN203007738U (en) * | 2012-09-29 | 2013-06-19 | 中国铁道科学研究院铁道建筑研究所 | Blocking-shoulder-free fastener component |
| CN205443809U (en) * | 2016-03-10 | 2016-08-10 | 瑞泰潘得路铁路技术（武汉）有限公司 | Quick bullet strip ballastless track iron tie plate fastening systems |
| US20180073199A1 (en) * | 2015-04-09 | 2018-03-15 | Progress Rail Services Corporation | Recessed concrete rail seat assembly |
-
2020
- 2020-02-19 CN CN202010102106.8A patent/CN111395071A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251445A (en) * | 2011-05-11 | 2011-11-23 | 衡水通用铁路器材有限公司 | Heightening fastener for passenger dedicated line and use method thereof |
| CN203007739U (en) * | 2012-09-29 | 2013-06-19 | 中国铁道科学研究院铁道建筑研究所 | Stopping-shoulder-free fastening assembly with iron base plate |
| CN203007738U (en) * | 2012-09-29 | 2013-06-19 | 中国铁道科学研究院铁道建筑研究所 | Blocking-shoulder-free fastener component |
| US20180073199A1 (en) * | 2015-04-09 | 2018-03-15 | Progress Rail Services Corporation | Recessed concrete rail seat assembly |
| CN205443809U (en) * | 2016-03-10 | 2016-08-10 | 瑞泰潘得路铁路技术（武汉）有限公司 | Quick bullet strip ballastless track iron tie plate fastening systems |
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Application publication date: 20200710 |