CN108755286B - Height-adjustable, shock-resistant and high-temperature-resistant track fastener - Google Patents

Height-adjustable, shock-resistant and high-temperature-resistant track fastener Download PDF

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Publication number
CN108755286B
CN108755286B CN201810708644.4A CN201810708644A CN108755286B CN 108755286 B CN108755286 B CN 108755286B CN 201810708644 A CN201810708644 A CN 201810708644A CN 108755286 B CN108755286 B CN 108755286B
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China
Prior art keywords
resistant
rail
weldable
group
fastener
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CN201810708644.4A
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Chinese (zh)
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CN108755286A (en
Inventor
李�根
夏敬山
徐大鹏
刘淳
白城
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Acre Coking and Refractory Engineering Consulting Corp MCC
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Acre Coking and Refractory Engineering Consulting Corp MCC
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Priority to CN201810708644.4A priority Critical patent/CN108755286B/en
Publication of CN108755286A publication Critical patent/CN108755286A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00Fastening rails on sleepers, or the like
    • E01B9/68Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B19/00Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
    • E01B19/003Means for reducing the development or propagation of noise
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00Fastening rails on sleepers, or the like
    • E01B9/38Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
    • E01B9/44Fastening the rail on the tie-plate
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00Fastening rails on sleepers, or the like
    • E01B9/38Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
    • E01B9/44Fastening the rail on the tie-plate
    • E01B9/46Fastening the rail on the tie-plate by clamps
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00Fastening rails on sleepers, or the like
    • E01B9/68Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
    • E01B9/681Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by the material

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Railway Tracks (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention relates to a height-adjustable, impact-resistant and high-temperature-resistant track fastener which comprises a weldable base, a base plate group, a rubber base plate, a pressing plate and a high-strength bolt fastener group. Compared with the prior art, the beneficial effects are as follows: the rail surface elevation adjusting device is simple in structure, low in manufacturing cost, reliable in connection and fastening, capable of replacing a traditional common rail fastener, and suitable for occasions with severe working environments such as high dust, high temperature and large impact force, and the like, in which rail surface elevation is often required to be adjusted.

Description

Height-adjustable, shock-resistant and high-temperature-resistant track fastener
Technical Field
The invention relates to a rail fastening device in the technical field of coking, in particular to a rail fastener with adjustable height, impact resistance and high temperature resistance.
Background
With the further development of the industrial level, the requirement of the track-mounted engineering vehicle on the running track is gradually increased, and a tamping coal-charging coke pusher (SCP machine for short hereinafter) used in the large tamping coke oven engineering in the coking technical field is taken as an example, and the accurate relative position relation between the coal charging and coke pushing processes and the coke oven door is required to be maintained, so that the track surface elevation precision of the running track is required to be controlled within +/-1 mm/14 m. Due to the uneven settlement of the coke oven body and SCP machine rail foundation, steel plates (or rubber plates) with unequal thickness are often required to be laid under the rails to ensure that the rails meet the requirements, so that the difference between local backing plate heights in the length direction of the rails sometimes exceeds 15mm, and the adjustment range of the rail fastener heights is required to be large. In addition, SCP machine will produce great impact force to the track when stamping the drum coal cake, and the nearer environmental temperature is high from the coke oven, and this kind of continuous impact load and higher environmental temperature have increased the probability that the fastener fastening was lost, consequently, traditional ordinary track fastener has not satisfied above-mentioned similar engineering requirement, and it is convenient to have urgently needed to develop a simple structure, adjustment easy maintenance, and height-adjustable and shock resistance, high temperature resistant, the fastening is reliable, manufacturing and maintenance low cost's track fastener.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention solves the technical problem of providing the track fastener with adjustable height, impact resistance and high temperature resistance, has the advantages of simple structure, low manufacturing cost and reliable connection and fastening, can replace the traditional common track fastener, and is suitable for occasions with severe working environments such as frequent adjustment of the elevation of the track surface, dustiness, high temperature, large impact force and the like.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
the utility model provides a high adjustable, shock resistance, high temperature resistant track fastener, includes but welding base, backing plate group, rubber backing plate, clamp plate and high strength bolt fastener group, its characterized in that, but be equipped with the recess on the welding base, follow supreme placing in proper order in the recess backing plate group, rubber backing plate and clamp plate down, through high strength bolt fastener group connect and fasten and constitute the track fastener.
The weldable base is an integral structural member formed by heat-resistant and impact-resistant materials, wherein two oblong hole T-shaped grooves are formed in the bottom surface of the groove, the grooves are symmetrically arranged in an out-splayed shape along the central line, and one end of each groove is open.
The pressing plate is a steel structural member made of heat-resistant and impact-resistant materials, two parallel and open slotted holes are formed in one end of the pressing plate, and a chamfer angle B matched with the inclination of the rail bottom of the steel rail is formed in one surface of the other end of the pressing plate.
The backing plate group comprises a plurality of steel plates with different thicknesses, each steel plate is provided with two round holes, and different combination forms (including the number and the thickness) can be selected according to the actual requirements in the installation process.
The rubber backing plate adopts oil-resistant rubber, and the shape of the rubber backing plate is consistent with that of the backing plate group.
The high-strength bolt fastener group consists of a high-strength bolt (8.8 grade), a nut (8 grade), a flat washer and an elastic washer.
Further, the upper limit of the height adjustment range of the rail fastener is theoretically the sum of the thicknesses of all the steel plates in the pad group + the thickness of the rubber pad.
A method for using, installing and maintaining a height-adjustable, impact-resistant and high-temperature-resistant track fastener comprises the following steps:
1) The rail fasteners are used in pairs and are symmetrically arranged on two sides of the steel rail.
2) The weldable bases are symmetrically arranged on two sides of the steel rail, a reserved gap T between the weldable bases and the steel rail is 1-2 mm, the open end of the slotted hole T-shaped groove arranged on the bottom surface of the groove of the weldable base is far away from the steel rail, and the weldable bases are welded on the embedded bottom plate below the steel rail (the inner side close to the steel rail is not welded) and fixed.
3) And (5) adjusting the elevation of the rail surface.
4) The high-strength bolt is pushed in along the open end of the T-shaped groove of the slotted hole of the weldable base.
5) An appropriate set of pads is selected based on the elevation of the rail surface.
6) And sequentially penetrating the backing plate group, the rubber backing plate, the pressing plate, the flat gasket and the elastic gasket through the high-strength bolts, and pre-tightening nuts.
7) The pressing plate is moved to enable the end face with the chamfer angle B to be closely attached to the bottom face of the steel rail, and the steel rail can be fixed by screwing nuts.
8) When the rail surface elevation needs to be maintained and adjusted, firstly, the nuts and the washers are taken down, then the combination of the backing plate group is adjusted according to actual conditions, and the steps 5) to 7) are repeated, so that the rail surface elevation can be adjusted and maintained.
Compared with the prior art, the invention has the beneficial effects that:
1) The height adjustment range is large, the track fastener can be accurately adjusted within the range of the total thickness of the backing plate group, and the upper limit of the adjustment range is theoretically the sum of the thicknesses of all steel plates in the backing plate group plus the thickness of the rubber backing plate;
2) The slotted hole T-shaped groove on the weldable base is convenient for installing and detaching the track fastener, and is suitable for frequent track surface elevation adjustment;
3) The T-shaped grooves of the slotted holes on the weldable base are symmetrically arranged in an out-splayed shape along the central line, so that the transverse load impact resistance of the track fastener is improved, and meanwhile, the weldable base and the pressing plate formed by heat-resistant and impact-resistant materials greatly improve the heat resistance and impact resistance of the track fastener, and the welding base and the pressing plate are particularly suitable for occasions with severe working environments such as dustiness, high temperature, large impact force and the like;
4) The rubber backing plate not only has the effects of noise reduction and vibration reduction, but also is simpler and more reliable compared with the traditional rubber pressing tongue pressed under the pressing plate through vulcanization, and is positioned between the pressing plate and the backing plate group, so that the friction force between contact surfaces is increased, the bearing capacity of transverse load is improved, the rubber backing plate is not easy to age and corrode, and the service life is prolonged;
5) Simple structure, low manufacturing cost and reliable connection and fastening.
Drawings
FIG. 1 is a schematic structural exploded view of the present invention;
FIG. 2 is a schematic front view of the mounting structure principle of the present invention;
FIG. 3 is a schematic top view of the mounting structure principle of the present invention;
FIG. 4 is an enlarged schematic view of the portion A in FIG. 2;
FIG. 5 is a schematic front view of the structural principle of the solderable base of the present invention;
FIG. 6 is a schematic top view of the structural principles of the solderable base of the present invention;
fig. 7 is a perspective view of the mounting structure of the present invention.
In the figure: 1-high-strength bolt fastener group 11-nut 12-spring washer 13-plain washer 14-high-strength bolt 2-pressing plate 3-rubber backing plate 4-backing plate group 5-weldable base 51-groove 52-slotted hole T-shaped groove 6-embedded bottom plate 7-track backing plate 8-track
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
as shown in fig. 1 to 7, the height-adjustable, impact-resistant and high-temperature-resistant track fastener comprises a weldable base 5, a base plate group 4, a rubber base plate 3, a pressing plate 2 and a high-strength bolt fastener group 1, wherein a groove 51 is formed in the weldable base 5, the base plate group 4, the rubber base plate 3 and the pressing plate 2 are sequentially placed in the groove 51 from bottom to top, and the track fastener is formed by connecting and fastening the high-strength bolt fastener group 1.
The weldable base 5 is an integral structural member made of heat-resistant and impact-resistant materials, wherein two long round hole T-shaped grooves 52 are formed in the bottom surface of the groove 51, are symmetrically arranged in an out-splayed shape along the central line, are open at one end, are convenient for the high-strength bolt fastener group 1 to penetrate through, cannot slide when being subjected to transverse load, greatly improve the heat resistance and impact resistance of the track fastener, and are particularly suitable for occasions with severe working environments such as dustiness, high temperature, large impact force and the like.
The pressing plate 2 is a steel structural member made of heat-resistant and impact-resistant materials, and one end of the pressing plate is provided with two parallel and open slotted holes, so that the pressing plate can conveniently move in a small range in the groove 51 of the weldable base 5; one surface of the other end is provided with a chamfer B matched with the inclination of the rail bottom of the steel rail, and the chamfer B is matched with the backing plate group 4 for use, so that the pressing plate 2 and the steel rail 8 can be accurately attached.
The pad group 4 is composed of a plurality of steel plates with different thicknesses, each steel plate is provided with two round holes, different combination forms (including the number and the thickness) can be selected according to the actual requirements in the installation process, for example, two steel plates with the thickness of 1mm, 2mm and 5mm respectively can be freely combined within the range of 0-16 mm.
The rubber backing plate 3 is made of oil-resistant rubber, and the shape of the rubber backing plate is consistent with that of the backing plate group 4. The rubber backing plate 3 not only can play a role in noise reduction and vibration reduction, but also has simpler structure and manufacturing method compared with the traditional rubber pressing tongue pressed under the pressing plate through vulcanization treatment, is positioned between the pressing plate 2 and the backing plate group 4, increases the friction force between contact surfaces, improves the bearing capacity of transverse load, is not easy to age and corrode, and prolongs the service life.
The high-strength bolt fastener set 1 is composed of a high-strength bolt 14 (8.8 stages), a nut 11 (8 stages), a flat washer 13, and an elastic washer 12.
Further, the upper limit of the height adjustment range of the rail fastener is theoretically the sum of the thicknesses of all the steel plates in the pad group 4 + the thickness of the rubber pad 3.
A method for using, installing and maintaining a height-adjustable, impact-resistant and high-temperature-resistant track fastener comprises the following steps:
1) The rail fasteners are used in pairs and are symmetrically arranged on two sides of the steel rail 8.
2) The weldable bases 5 are symmetrically arranged on two sides of the steel rail 8, a reserved gap T between the weldable bases 5 and the steel rail 8 is 1-2 mm (the weldable bases can play a role of stopping iron for limiting the transverse movement of the steel rail 8 after being firmly welded), the open ends of the slotted holes 52 formed in the bottoms of the grooves 51 of the weldable bases 5 are far away from the steel rail 8, and the weldable bases 5 are welded on the embedded bottom plate 6 below the steel rail 8 (the inner side close to the steel rail 8 is not welded).
3) The rail surface elevation is adjusted by adjusting a rail pad 7 (a steel plate group or a rubber plate) which is laid between the steel rail 8 and the embedded bottom plate 6 and has different heights for accurately adjusting the rail surface elevation.
4) The high strength bolt 14 is pushed in along the open end of the weldable base oblong hole T-shaped channel 52.
5) An appropriate set of shims 4 (including number and thickness) is selected based on the rail surface elevation.
6) The backing plate group 4, the rubber backing plate 3, the pressing plate 2, the flat gasket 13 and the elastic gasket 12 sequentially penetrate through the high-strength bolts 14, and the nuts 11 are pre-screwed.
7) The pressing plate 2 is moved to enable the end face with the chamfer angle B to be closely attached to the bottom face of the steel rail, and the steel rail 8 can be fixed by screwing the nut 11.
8) When the rail surface elevation needs to be maintained and adjusted, the nut 11 and the washers 12 and 13 are firstly taken down, then the combination of the backing plate group 4 is adjusted according to the actual situation, and the steps 5) to 7) are repeated, so that the rail surface elevation can be adjusted and maintained.

Claims (5)

1. The height-adjustable, impact-resistant and high-temperature-resistant track fastener comprises a weldable base, a base plate group, a rubber base plate, a pressing plate and a high-strength bolt fastener group, wherein a groove is formed in the weldable base, the base plate group, the rubber base plate and the pressing plate are sequentially placed in the groove from bottom to top, and the high-strength bolt fastener group is used for connecting and fastening the track fastener; the method is characterized by comprising the following steps of:
1) The rail fasteners are used in pairs and are symmetrically arranged on two sides of the steel rail;
2) Symmetrically arranging the weldable bases on two sides of a steel rail, reserving a gap T between the weldable bases and the steel rail to be 1-2 mm, enabling the open end of a slotted hole T-shaped groove arranged on the bottom surface of a groove of the weldable base to be far away from the steel rail, welding the weldable bases on an embedded bottom plate below the steel rail to be fixed, and enabling the inner side close to the steel rail not to be welded;
3) Adjusting the elevation of the rail surface;
4) Pushing the high-strength bolt along the open end of the T-shaped groove of the slotted hole of the weldable base;
5) Selecting a proper backing plate group according to the elevation of the rail surface;
6) The backing plate group, the rubber backing plate, the pressing plate, the flat gasket and the elastic gasket sequentially penetrate through the high-strength bolts, and nuts are pre-screwed;
7) The pressing plate is moved to enable the end face with the chamfer B to be closely attached to the bottom face of the steel rail, and the steel rail can be fixed by screwing nuts;
8) When the rail surface elevation needs to be maintained and adjusted, firstly, the nuts and the washers are taken down, then the combination of the backing plate group is adjusted according to actual conditions, and the steps 5) to 7) are repeated, so that the rail surface elevation can be adjusted and maintained.
2. The method for installing and maintaining a height-adjustable, impact-resistant and high-temperature-resistant track fastener according to claim 1, wherein the weldable base is an integral structural member made of heat-resistant and impact-resistant materials, wherein two oblong hole T-shaped grooves are formed in the bottom surface of the groove, are symmetrically arranged in a splayed shape along the central line, and are open at one end.
3. The method for installing and maintaining the height-adjustable, impact-resistant and high-temperature-resistant track fastener according to claim 1, wherein the pressing plate is a steel structural member made of heat-resistant and impact-resistant materials, two parallel and open slotted circular holes are formed in one end, and a chamfer angle B matched with the inclination of the rail bottom of the steel rail is formed in one surface of the other end.
4. The method for installing and maintaining a height-adjustable, impact-resistant and high-temperature-resistant rail fastener according to claim 1, wherein the rubber pad is made of oil-resistant rubber, and the shape of the rubber pad is consistent with that of the pad group.
5. The method for installing and maintaining a height-adjustable, impact-resistant and high temperature-resistant rail fastener according to claim 1, wherein the upper limit value of the height adjustment range of the rail fastener = the sum of the thicknesses of all steel plates in the mat group + the thickness of the rubber mat.
CN201810708644.4A 2018-07-02 2018-07-02 Height-adjustable, shock-resistant and high-temperature-resistant track fastener Active CN108755286B (en)

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Application Number Priority Date Filing Date Title
CN201810708644.4A CN108755286B (en) 2018-07-02 2018-07-02 Height-adjustable, shock-resistant and high-temperature-resistant track fastener

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Application Number Priority Date Filing Date Title
CN201810708644.4A CN108755286B (en) 2018-07-02 2018-07-02 Height-adjustable, shock-resistant and high-temperature-resistant track fastener

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CN108755286A CN108755286A (en) 2018-11-06
CN108755286B true CN108755286B (en) 2024-03-19

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112009191B (en) * 2020-08-14 2021-05-11 东风商用车有限公司 Leaf spring lug and install leaf spring suspension system of this leaf spring lug

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1489882A (en) * 1974-10-26 1977-10-26 Hixson R Rail fastening assembly
CN201660813U (en) * 2010-04-13 2010-12-01 于俭海 Low-noise flexible track fixing device
CN102587228A (en) * 2012-03-29 2012-07-18 莱芜美澳冶金科技有限公司 Anti-loosing strong-anchoring fastener high in height adjustment
CN202688793U (en) * 2012-06-27 2013-01-23 于俭海 Transverse corona rubber cushion plate used in track fixing system
CN103590289A (en) * 2013-11-26 2014-02-19 中铁二十局集团第五工程有限公司 Epoxy plaster repaired bridge crane constructing structure and constructing method
CN203923821U (en) * 2014-06-12 2014-11-05 中交第三航务工程勘察设计院有限公司 Adapt to large displacement rails anchor structure
CN106758562A (en) * 2017-04-08 2017-05-31 中国二十二冶集团有限公司 The installation method that track foundation built-in fitting is integrally fixed with track
CN208777083U (en) * 2018-07-02 2019-04-23 中冶焦耐(大连)工程技术有限公司 A kind of height is adjustable, shock resistance, high temperature resistant rail clip

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1489882A (en) * 1974-10-26 1977-10-26 Hixson R Rail fastening assembly
CN201660813U (en) * 2010-04-13 2010-12-01 于俭海 Low-noise flexible track fixing device
CN102587228A (en) * 2012-03-29 2012-07-18 莱芜美澳冶金科技有限公司 Anti-loosing strong-anchoring fastener high in height adjustment
CN202688793U (en) * 2012-06-27 2013-01-23 于俭海 Transverse corona rubber cushion plate used in track fixing system
CN103590289A (en) * 2013-11-26 2014-02-19 中铁二十局集团第五工程有限公司 Epoxy plaster repaired bridge crane constructing structure and constructing method
CN203923821U (en) * 2014-06-12 2014-11-05 中交第三航务工程勘察设计院有限公司 Adapt to large displacement rails anchor structure
CN106758562A (en) * 2017-04-08 2017-05-31 中国二十二冶集团有限公司 The installation method that track foundation built-in fitting is integrally fixed with track
CN208777083U (en) * 2018-07-02 2019-04-23 中冶焦耐(大连)工程技术有限公司 A kind of height is adjustable, shock resistance, high temperature resistant rail clip

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