CN109024112A - A kind of medium-and low-speed maglev section of track connection fastener - Google Patents
A kind of medium-and low-speed maglev section of track connection fastener Download PDFInfo
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- CN109024112A CN109024112A CN201811150411.3A CN201811150411A CN109024112A CN 109024112 A CN109024112 A CN 109024112A CN 201811150411 A CN201811150411 A CN 201811150411A CN 109024112 A CN109024112 A CN 109024112A
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- track
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 94
- 229910052742 iron Inorganic materials 0.000 claims abstract description 47
- 238000013016 damping Methods 0.000 claims abstract description 39
- 241001669679 Eleotris Species 0.000 claims abstract description 27
- 239000004033 plastic Substances 0.000 claims abstract description 25
- 229920003023 plastic Polymers 0.000 claims abstract description 25
- 230000003139 buffering effect Effects 0.000 claims abstract description 16
- 238000004873 anchoring Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 238000001746 injection moulding Methods 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 239000004416 thermosoftening plastic Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 235000015220 hamburgers Nutrition 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 13
- 238000010276 construction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000013475 authorization Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005339 levitation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 1
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- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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- 238000003754 machining Methods 0.000 description 1
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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
- E01B25/00—Tracks for special kinds of railways
- E01B25/30—Tracks for magnetic suspension or levitation vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
Abstract
The invention discloses a kind of medium-and low-speed maglev section of track connection fasteners, it is characterized in that, the medium-and low-speed maglev section of track connection fastener includes: iron chair (11), resilient sleeper-bearing (9), height adjusting cushion plate (10), anchor bolt (12), buffering roll adjustment block (8), fastening nut (3), high-intensitive heavy series hexagon nut (4), heavy-duty spring washer (5), damping pad (6), damping pad cover board (7), plastic sheath (2)；The anchoring section of the anchor bolt (12) includes central circular platform (12B), for effectively supporting iron chair (11) and providing assembly platform.The anchor bolt of connection fastener of the present invention uses the new structure pattern of special designing, the setting of its screw rod central circular platform can effectively support iron chair, reduce the contact gap with iron chair bottom, the overall package precision for effectively increasing fastener advantageously ensures that magnetic floats the high-precision holding of the section of track.
Description
Technical field
The invention belongs to medium-and low-speed maglev field of track traffic, and in particular to a kind of medium-and low-speed maglev section of track connection fastener.
Background technique
Medium-and low-speed maglev traffic is driven using linear induction motor, and stator is located on vehicle and often leads magnetic levitation track friendship
Logical, it is excellent to have that environmentally protective, highly-safe, climbing capacity is strong, turning radius is small, construction cost is low, operation maintenance cost is low etc.
Point is the green rail traffic trip tool of great competitiveness.
The rail system of medium-and low-speed maglev traffic is made of track structure, track switch, track girder etc..Track structure refers to track girder
Above, the structure division for carrying train, is mainly made of the section of track, fastener, track etc. from top to bottom.Track structure is low in
It is that unit is integrally mated formation that fast magnetic, which floats the section of track (including tablet, F fashioned iron, steel tie and corresponding connector and fastener),.Magnetic
The floating section of track should also have cooperation vehicle other than having receiving and transmitting the function of train gravity, guiding force, driving force and brake force
Electromagnet, line inductance electromotor and the sensor of upper installation constitute electromagnetism and control loop, realize suspension, guiding, driving and system
The functions such as dynamic.Track is the interface that track structure and track support infrastructure, and vertically and horizontally power is transmitted to down by track
Portion basis.
Fastener is to maintain track structure stabilization, flexible important component.The section of track is securely connect by it with track, energy
Correct position of the section of track on track girder is kept, performance directly determines safety, ride comfort and the occupant comfort of track structure
Property.In view of safe, applicable, comfortable, economic, the quick service requirement of rail traffic, and the often magnetic-type magnetic-levitation train pair of conductivity type
The requirement of suspension stability, fastener should make every effort to that structure is simple, low cost, not only have enough intensity and buckle press, should also have
There are good elastic, appropriate three-dimensional adjustment amount, good insulation performance and antiseptic property；The beam face of track girder is narrow, constructs and supports
Protect that maintenance activity face is small, and rail traffic it is daily maintenance time it is short, the structure of fastener should also fully consider construction and maintenance
Convenience.
With the fast development of China's urban rail transit construction, diversified trend is presented in the development of fastener system.Fastener presses it
Elastic split and elasticity can be divided into regardless of open type with the bind mode of track；Can be divided by its receiving horizontal force mode has gear
Shoulder and non-shoulder；Can be divided by the fastening form of buckling piece has bolt and non-bolt.
A kind of medium-and low-speed maglev train rail is disclosed in the utility model patent of 202509344 U of Authorization Notice No. CN
Section of track three-dimensional regulation fastener, belongs to elastic separated rail fastening.Fastener by base plate, lateral adjustments system, vertical adjustment system,
Sleeper installation system composition；Base plate, lateral adjustments system, vertical adjustment system, sleeper installation system from bottom to top pass through spiral shell
Bolt group is successively coupled, and is assembled into a fastener entirety；The sleeper of the top installation section of track of fastener.It realizes first monomer installation and adjusts
Fastener, casting track are saved, then the section of track is installed, the efficiency of section of track installation is improved, locking function makes that the section of track is more stable, more pacifies
Entirely.Fastener has many advantages, such as that installation and adjustment precision is high, regulated quantity is big.Shortcoming: fastener components are more, and installation is complicated, maintenance
Maintenance load is big；The longitudinally, laterally roll adjustment to realize fastener is held out against to bolt by lock screw, does not have the section of track and longitudinally stretches
Contracting function cannot be released effectively temperature stress, and the service life to bolt is to test for a long time；Do not have the upward vibration damping function of the section of track
Can, influence ride comfort.
A kind of medium-and low-speed maglev is disclosed in the utility model patent specification that Authorization Notice No. is CN 201292488Y
Route section of track fastener belongs to elasticity regardless of open type.The fastener includes resilient sleeper-bearing, height adjusting cushion plate, iron chair, by anchoring spiral shell
Plain washer, spring washer, section of track steel sleeper bottom plate, resilient sleeper-bearing, height adjusting cushion plate, iron chair are successively fixed on the lower part branch by bolt
It holds on body.The effect of this utility model is that fastener structures are simple, low cost, and replacement is convenient, is convenient for maintenance.Shortcoming:
Insulating sleeve is screwed by anchor bolt and realizes the fixed section of track, and the coupling uplift effect between anchor bolt and insulating sleeve is mentioned
Requirements at the higher level out, there are the hypodynamic phenomenons of resistance to plucking after fatigue effect；Fastener can not carry out longitudinal, horizontal other than it can be turned up
It is poor to the adjustment capability adaptability of section of track geometric dimension to adjustment；Do not have the upward vibration-damping function of the section of track simultaneously, influences
Ride comfort.
Medium-and low-speed maglev rail is disclosed in the utility application specification of 102852056 A of Publication No. CN
Road elasticity separated rail fastening.The fastener is fixed iron chair and infrastructure by one group of anchor bolt, is fixed using another group
H profile steel is rested the head on and is fixed with iron chair by bolt, ensure that toe load of fastening and withdrawal resistance.By the height adjusting cushion plate for replacing different-thickness
Carry out vertical adjustment, H profile steel pillow opens elliptical aperture and carries out longitudinally adjusted, and backing plate fluting is adjusted vertical, horizontal.Meanwhile it is fixed
Resilient sleeper-bearing is arranged in bolt pair junction steel plate upper and lower surface, realizes the two-way vibration damping to track structure.The fastener has enough
Intensity, buckle press, suitable elasticity are, it can be achieved that the three-dimensional to the section of track adjusts.Shortcoming: fastener structures are complicated, and components are more,
Construction and installation are complicated, maintenance heavy workload, and cost is high.
A kind of middle low speed magnetic is disclosed in the utility model patent specification that Authorization Notice No. is 204530342 U of CN
Floating elasticity nonseparated rail fastening.The fastener components mainly include anchor bolt, fastening nut, high-intensitive heavy series hexagon nut, again
Type spring washer, damping pad cover board, damping pad, resilient sleeper-bearing, height adjusting cushion plate, iron chair, positioning thin nut, buffering roll adjustment
Block etc..H profile steel pillow screws in roll adjustment block mounting hole and bolt connecting hole by anchor bolt and is connected with iron chair, and iron chair passes through
Anchor bolt screws in bolt connecting hole and is connected with track.Fastener has enough intensity, buckle press, suitable elasticity；Structure
Simply, components are less, and maintenance amount is smaller, and cost is suitable；The adjustment of section of track geometric dimension is simple, is opened by being placed in sleeper
Buffering roll adjustment block in hole, which can be completed, longitudinally, laterally to be adjusted, and can be achieved by the combination of different height adjusting cushion plates vertical a wide range of
Height-regulating；Has the vibration-damping function that the section of track is upward, downward, ride comfort is good.But in the use process of fastener it has also been found that
Some shortcomings: anchor bolt is formed by screw rod part and lower section backing plate head squeezed riveting, process for machining and manufacturing it is more complex and
It is unable to one-pass molding；Anchor bolt size is larger, takes material, and cost is slightly higher；Positioning thin nut is matched with the thread tapping on bolt
It closes and uses, positioning height error is bigger；Iron chair lower surface plate, without the pattern of terrace with edge or cylinder boss or groove, with
Track concrete combines insufficient, and there are hollowing, skies under iron chair the diseases such as to hang for construction；Rectangular damping pad cover board and side
The damping pad of shape is combined into the structure of three layers of hamburger pattern, and when torque nut of constructing easily forms showing for three layers of backing plates dislocation
As reducing effective vibration damping area and scene unsightly；Without setting plastic sheath at the top of anchor bolt, cannot effective waterproof, spiral shell
Bolt exposes in humid air for a long time, is unfavorable for the anti-corrosion of anchor bolt.
Summary of the invention
For at least one of prior art the above defects or improvement requirements, the present invention provides a kind of medium-and low-speed maglevs
Section of track connection fastener belongs to elasticity regardless of open architecture.Fastener by anchor bolt by iron chair, height adjusting cushion plate, resilient sleeper-bearing,
H profile steel pillow is connected, and is withheld and locked by high-intensitive heavy series hexagon nut and fastening nut, and enough intensity is provided
And buckle press.Lower section is rested the head on by H profile steel, resilient sleeper-bearing, the synchronous setting damping pad in top and spring washer are set, guarantee that magnetic is floating
The section of track has downward, upward damping property, provides suitable elasticity, improves ride comfort.Pass through the spy of anchor bolt
Different structure end anchors into track structure, is effectively reliably connected the section of track and track railway roadbed, train load is relayed to
Infrastructure.By resting the head on setting buffering roll adjustment block in aperture in H profile steel, realize section of track rail to, it is high it is low vertically and horizontally adjust, pass through
Various combined height adjusting cushion plates are set, realize the vertical adjustment such as section of track height, level, simply and effectively guarantee section of track dimensioning
Very little precision.This fastener structures is simple, and components are less, and maintenance amount is smaller, and cost is suitable.
To achieve the above object, according to one aspect of the present invention, a kind of medium-and low-speed maglev section of track connection fastener is provided,
The medium-and low-speed maglev section of track connection fastener includes:
Iron chair, resilient sleeper-bearing, height adjusting cushion plate, anchor bolt, buffering roll adjustment block, fastening nut, high-intensitive big hexagonal spiral shell
Mother, heavy-duty spring washer, damping pad, damping pad cover board, plastic sheath；
The anchor bolt includes the end of thread and anchoring section, and the end of thread of the anchor bolt is sequentially connected in series iron chair, adjusts
High backing plate, resilient sleeper-bearing, buffering roll adjustment block, H profile steel pillow, damping pad cover board, damping pad, cushion blocking cover board, heavy-duty spring
The plastic sheath is arranged in washer, high-intensitive heavy series hexagon nut and fastening nut, the head of the end of thread of the anchor bolt；
The anchoring section of the anchor bolt includes central circular platform, is put down for effectively supporting iron chair and providing assembling
Platform.
Preferably, the anchor bolt is manufactured using metal material, forms the central circular by the extruding of screw rod
Platform.
Preferably, the anchoring section of the anchor bolt further includes anchorage head, and it is flat to be integrally connected to central circular by screw rod
The lower section of platform；By the flattening technique of grinding tool, the anchorage head of anchor bolt described in one-pass molding.
Preferably, the width of the anchorage head of flattening first become larger from top to bottom, after gradually become smaller.
Preferably, the anchorage head of flattening includes upper and lower two parts, and the thickness of the upper part of anchorage head is greater than anchorage head
Lower part thickness, between the two be equipped with narrow transitional zone.
Preferably, the top surface of the iron chair is smooth surface, provides platform for the components installation of upper part；The setting of its bottom surface
The groove of a plurality of arrangement or the cylinder boss in EDS maps formula or the terrace with edge in EDS maps formula.
Preferably, the damping pad uses the high molecular material injection molding of rubber or thermoplastic polyester's class, and shape is
It is round；Cooperate with the circular damping pad cover board, forms three layers of hamburger pack arrangement.
Preferably, the plastic sheath is manufactured using plastics or other high molecular materials, medial surface setting and the anchor
The matched screw thread of fixing bolt.
Preferably, high molecular material injection molding of the resilient sleeper-bearing using rubber or thermoplastic polyester's class, the elasticity
Circular bolt holes matched with the anchor bolt screw diameter, the size and iron of the resilient sleeper-bearing are set among backing plate
Backing plate is adapted, and is placed in H profile steel pillow bottom；
And/or the height adjusting cushion plate is adopted and is made of plastic, setting is mating with anchor bolt screw diameter among height adjusting cushion plate
Long waist shaped bolt hole, the size of height adjusting cushion plate and iron chair be adapted, and is placed in iron chair top surface.
Preferably, the buffering roll adjustment block is manufactured using metal or plastics, is placed in the rectangular bolt hole of H profile steel pillow,
Thickness and H profile steel pillow thickness are adapted.
Above-mentioned preferred feature can be combined with each other as long as they do not conflict with each other.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have below beneficial to effect
Fruit:
1, the anchor bolt of connection fastener of the present invention uses the new structure pattern of special designing, and screw rod central circular is flat
The setting of platform can effectively support iron chair, reduce the contact gap with iron chair bottom, effectively increase fastener
Overall package precision advantageously ensures that magnetic floats the high-precision holding of the section of track.It, which is manufactured, squeezes one-pass molding using grinding tool, manufactures work
Skill is simple, process is few, and stable product quality, good appearance and manufacture effect are high.
2, compared with wheel rail system, medium-and low-speed maglev train applies evenly load to track structure, and load is smaller.In order to adapt to
Magnetic floats the force request of fastener, and the anchor bolt anchored end of connection fastener of the present invention uses special flaser texture, improve by
Power situation, shortens anchorage depth.Finally, the size for significantly optimizing anchor bolt, saves raw material, reduces manufacture
Cost.
3, the iron chair bottom setting band terrace with edge of connection fastener of the present invention or cylinder boss or groove or other structural types
Formula is effectively increased when pouring vibrated concrete in conjunction with the connection of track concrete, avoids the iron pad occurred in construction
Hollowing, sky such as hang at the diseases under plate, reduce maintenance workload, improve the physical life of track structure.
4, the structure optimization of damping pad cover board and damping pad is circle by connection fastener of the present invention, is overcome construction and is turned round
The problem of three layers of backing plate dislocation is easily formed when turn nut is allowed to guaranteeing the upward effective vibration reduction support of the section of track simultaneously, scene peace
Dress is beautiful.
5, connection fastener of the present invention uses plastic sheath, and trapezoidal thread matched with anchor bolt is arranged in medial surface.
When fastener assembles, plastic sheath is screwed into the top of anchor bolt, can effective rainwater-proof, keep bolt moist empty from exposure for a long time
In gas, conducive to the anti-corrosion of anchor bolt.Effective fastener anti-corrosion protection, both can be reduced maintenance capacity, improves the comprehensive of fastener and uses
Service life, and can guarantee the safety of Criterion for Maglev Guideway Structures.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of medium-and low-speed maglev section of track connection fastener of the invention；
Fig. 2 is the anchor bolt structural schematic diagram of medium-and low-speed maglev section of track connection fastener of the invention；
Fig. 3 is the iron chair structural schematic diagram of medium-and low-speed maglev section of track connection fastener of the invention；
Fig. 4 is the damping pad structural schematic diagram of medium-and low-speed maglev section of track connection fastener of the invention；
Fig. 5 is the plastic sheath structural schematic diagram of medium-and low-speed maglev section of track connection fastener of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.The present invention is described in more detail With reference to embodiment.
As shown in Figs. 1-5, medium-and low-speed maglev section of track connection fastener of the invention belongs to elasticity regardless of open type, main parts size
It is big by six including iron chair 11, resilient sleeper-bearing 9, height adjusting cushion plate 10, anchor bolt 12, buffering roll adjustment block 8, fastening nut 3, high intensity
The composition such as angle nut 4, heavy-duty spring washer 5, damping pad 6, damping pad cover board 7, plastic sheath 2.
When fastener assembles, the end of thread 12A of the anchor bolt 12 is sequentially connected in series iron chair 11, height adjusting cushion plate 10, elasticity
Backing plate 9, buffer insulation roll adjustment block 8, H profile steel pillow 1, damping pad cover board 7, damping pad 6, damping pad cover board 7 and heavy bullet
Spring washer 5, position to the design installation control bit for adjusting each components postpone, and pass through high-intensitive heavy series hexagon nut 4 and fastening spiral shell
Mother 3 is withheld and is locked, and the relative position of the section of track and fastener is fixed.After the completion of in-orbit sperm drainage tune, casting concrete, anchoring
Bolt 12 anchors into track railway roadbed 13.13 top surface of track railway roadbed and H profile steel are rested the head on successively to be set from the bottom to top between 1 bottom surface
It is equipped with iron chair 11, height adjusting cushion plate 10 and resilient sleeper-bearing 9；Round bolt is provided on the iron chair 11 and resilient sleeper-bearing 9
Hole is provided with long waist shaped bolt hole on height adjusting cushion plate 10；Respective bolt holes, which are passed through, by anchor bolt 12 carries out series connection fixation.Institute
Show and be provided with rectangular bolt hole on H profile steel pillow 1, buffering roll adjustment block 8 can be placed in hole；The buffering roll adjustment block of different size, can be real
Existing section of track rail is to, high low vertical and horizontal adjustment.1 top of H profile steel pillow is also disposed with damping pad cover board 7, vibration damping
Gasket 6, damping pad cover board 7 and heavy-duty spring washer 5 are withheld by high-intensitive heavy series hexagon nut 4 and fastening nut 3
And locking.Be installed in place to other components, and passed through section of track accurate adjustment arrange after, the plastic sheath 2 is finally installed, realize
To the anti-corrosion protection on 12 head of anchor bolt.
As shown in Fig. 2, the anchor bolt 12 is manufactured using metal material, end of thread 12A is provided with trapezoidal thread, with
The screw thread of fastening nut 3 and high-intensitive heavy series hexagon nut 4 can effectively cooperate.Central circular platform is formed by the extruding of screw rod
12B, can effectively support iron chair 11, and the assembling for other components provides platform；The high-precision of central circular platform 12B
Manufacture, effectively reduces the gap with 11 bottom of iron chair, improves the assembly precision of fastener.By the flattening technique of grinding tool, one
The anchorage head 12C of secondary molding anchor bolt 12, can be improved the overall pulling test performance of bolt.The width of the anchorage head 12C flattened
Degree first become larger from top to bottom, after gradually become smaller.The anchorage head 12C flattened includes upper and lower two parts, anchorage head 12C's
The thickness of lower part of the thickness of upper part greater than anchorage head 12C, is equipped with narrow transitional zone between the two.The anchoring of special designing
Bolt 12 can not only be well adapted for the stress of fastener structures, and manufacturing process is simple, process is few, ensure that product quality
Stablize and manufacture effect.
As shown in figure 3, the iron chair 11 is manufactured using metal material, setting and 12 screw rod of anchor bolt among backing plate
The bottom width of the matched circular bolt holes of diameter, size and H profile steel pillow 1 is adapted.11 top surface of iron chair is smooth surface,
Platform is provided for the other components installations of upper part；Groove 11A or cylinder boss 11B or terrace with edge 11C can be set in its bottom surface,
Or other structural shapes, it can effectively improve and the combination of 13 concrete of track railway roadbed, can keep away when pouring vibrated concrete
Exempt from the hollowing under 11 bottom surface of iron chair that construction occurs, sky such as hangs at the diseases, can effectively improve the stress condition of iron chair 11.
The resilient sleeper-bearing 9 uses the high molecular material injection molding of rubber or thermoplastic polyester's class.Similarly, it is set among backing plate
Circular bolt holes matched with 12 screw diameter of anchor bolt are set, size and iron chair 11 are adapted, and are placed in H-type
1 bottom of steel sleeper.Resilient sleeper-bearing 9 is the direct sources of fastener rigidity, should carry out effective value according to vehicle-rail cooperation.The tune
High backing plate 10, which is adopted, to be made of plastic, and long waist shaped bolt hole matched with 12 screw diameter of anchor bolt, ruler are arranged among backing plate
Very little size and iron chair 11 are adapted, and are placed in 11 top surface of iron chair.The vertical adjustment function of the section of track passes through replacement different size
Height adjusting cushion plate 10 realize.In order to make fastener have the function of turning down rail level, fastener should install dimension when assembling in advance
Height adjusting cushion plate 10.The buffering roll adjustment block 8 is manufactured using metal or plastics, is placed in the rectangular bolt hole of H profile steel pillow 1,
Thickness and H profile steel are rested the head on 1 thickness and are adapted.The buffering roll adjustment block 8 that the longitudinally, laterally adjustment function of the section of track passes through replacement different size
To realize.
As shown in figure 4, high molecular material injection molding of the damping pad 6 using rubber or thermoplastic polyester's class.It is protecting
Under the premise of demonstrate,proving effective vibration damping area, Adjusting Shape is circle；Cooperate with circular damping pad cover board 7, forms three layers
Hamburger pack arrangement, when constructing high-intensitive heavy series hexagon nut 4 and fastening nut 3, it is ensured that three layers of backing plate did not misplaced shows
As construction aspect and scene beauty.
As shown in figure 5, the plastic sheath 2 is manufactured using plastics or other high molecular materials, medial surface setting and anchor
The matched screw thread of fixing bolt 12.When installation, plastic sheath 2 is screwed into anchor bolt 12, can effective waterproof, prevent bolt from long-term
In exposure humid air, conducive to the anti-corrosion of anchor bolt.
The magnetic that is installed floats the section of track, when needing to adjust Rail inspection by fastener, should selectively, have interval
There is sequentially progress fastener adjustment operation on ground.For specific single group fastener, plastic sheath 2 and fastening nut 3 are screwed off first, is put
Loose high intensity heavy series hexagon nut 4 allows single group fastener neck component to be in relaxation state.If desired rail to, it is high it is low vertically and horizontally adjust,
Buffering roll adjustment block 8 need to be only removed to replace with carrying out dimension；If desired height, level etc. vertically adjust, and need to take rail
The similar means such as track jack are arranged, section of track structure is raised, substitute the height adjusting cushion plate under H profile steel pillow 1；To required components
It is adjusted in place, successively restores all components by design requirement, be finally completed the adjustment of Rail inspection.Similarly, for button
The maintenance replacement of part components is also to take same replacement regulating measures.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of medium-and low-speed maglev section of track connection fastener, which is characterized in that the medium-and low-speed maglev section of track connection fastener includes:
Iron chair (11), resilient sleeper-bearing (9), height adjusting cushion plate (10), anchor bolt (12), buffering roll adjustment block (8), fastening nut
(3), high-intensitive heavy series hexagon nut (4), heavy-duty spring washer (5), damping pad (6), damping pad cover board (7), plastic sheath
(2)；
The anchor bolt (12) includes the end of thread (12A) and anchoring section, and the end of thread (12A) of the anchor bolt (12) is successively
It connects iron chair (11), height adjusting cushion plate (10), resilient sleeper-bearing (9), buffering roll adjustment block (8), H profile steel pillow (1), damping pad cover board
(7), damping pad (6), cushion blocking cover board (7), heavy-duty spring washer (5), high-intensitive heavy series hexagon nut (4) and fastening nut
(3), the plastic sheath (2) is arranged in the head of the end of thread (12A) of the anchor bolt (12)；
The anchoring section of the anchor bolt (12) includes central circular platform (12B), for effectively supporting iron chair (11) and mentioning
For assembly platform.
2. medium-and low-speed maglev section of track connection fastener as described in claim 1, it is characterised in that:
The anchor bolt (12) is manufactured using metal material, forms the central circular platform by the extruding of screw rod
(12B)。
3. medium-and low-speed maglev section of track connection fastener as claimed in claim 2, it is characterised in that:
The anchoring section of the anchor bolt (12) further includes anchorage head (12C), is integrally connected to central circular platform by screw rod
The lower section of (12B)；By the flattening technique of grinding tool, the anchorage head (12C) of anchor bolt (12) described in one-pass molding.
4. medium-and low-speed maglev section of track connection fastener as claimed in claim 3, it is characterised in that:
Flatten the anchorage head (12C) width first become larger from top to bottom, after gradually become smaller.
5. medium-and low-speed maglev section of track connection fastener as claimed in claim 3, it is characterised in that:
The anchorage head (12C) flattened includes upper and lower two parts, and the thickness of the upper part of anchorage head (12C) is greater than anchorage head
The thickness of the lower part of (12C) is equipped with narrow transitional zone between the two.
6. medium-and low-speed maglev section of track connection fastener as described in claim 1, it is characterised in that:
The top surface of the iron chair (11) is smooth surface, provides platform for the components installation of upper part；A plurality of row is arranged in its bottom surface
The groove (11A) of column or the cylinder boss (11B) in EDS maps formula or the terrace with edge (11C) in EDS maps formula.
7. medium-and low-speed maglev section of track connection fastener as described in claim 1, it is characterised in that:
For the damping pad (6) using the high molecular material injection molding of rubber or thermoplastic polyester's class, shape is circle；With circle
The damping pad cover board (7) of shape cooperates, and forms three layers of hamburger pack arrangement.
8. medium-and low-speed maglev section of track connection fastener as described in claim 1, it is characterised in that:
The plastic sheath (2) is manufactured using plastics or other high molecular materials, medial surface setting and the anchor bolt
(12) matched screw thread.
9. medium-and low-speed maglev section of track connection fastener as described in claim 1, it is characterised in that:
The resilient sleeper-bearing (9) using rubber or thermoplastic polyester's class high molecular material injection molding, in the resilient sleeper-bearing (9)
Between matched with the anchor bolt (12) the screw diameter circular bolt holes of setting, the size of the resilient sleeper-bearing (9) and
Iron chair (11) is adapted, and is placed in H profile steel pillow (1) bottom；
And/or the height adjusting cushion plate (10) is adopted and is made of plastic, setting and anchor bolt (12) screw rod among height adjusting cushion plate (10)
The matched long waist shaped bolt hole of diameter, the size of height adjusting cushion plate (10) and iron chair (11) are adapted, and are placed in iron chair
(11) top surface.
10. medium-and low-speed maglev section of track connection fastener as described in claim 1, it is characterised in that:
The buffering roll adjustment block (8) is manufactured using metal or plastics, is placed in the rectangular bolt hole of H profile steel pillow (1), thickness with
H profile steel is rested the head on (1) thickness and is adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811150411.3A CN109024112B (en) | 2018-09-29 | 2018-09-29 | Middle-low speed magnetic levitation track panel connecting fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811150411.3A CN109024112B (en) | 2018-09-29 | 2018-09-29 | Middle-low speed magnetic levitation track panel connecting fastener |
Publications (2)
| Publication Number | Publication Date |
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| CN109024112A true CN109024112A (en) | 2018-12-18 |
| CN109024112B CN109024112B (en) | 2024-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811150411.3A Active CN109024112B (en) | 2018-09-29 | 2018-09-29 | Middle-low speed magnetic levitation track panel connecting fastener |
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| CN110158375A (en) * | 2019-06-28 | 2019-08-23 | 上海工程技术大学 | A kind of switching regulator spring Double-layer elastic Damping fastening system |
| CN110983875A (en) * | 2019-11-17 | 2020-04-10 | 中铁二院工程集团有限责任公司 | Elastic non-separating fastener system for medium-low speed magnetic suspension track |
| CN111270573A (en) * | 2019-12-06 | 2020-06-12 | 中铁宝桥集团有限公司 | Medium-low speed magnetic levitation track panel anchoring device and installation and adjustment method |
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| CN209039888U (en) * | 2018-09-29 | 2019-06-28 | 中铁磁浮交通投资建设有限公司 | A kind of medium-and low-speed maglev section of track connection fastener |
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| CN111270573A (en) * | 2019-12-06 | 2020-06-12 | 中铁宝桥集团有限公司 | Medium-low speed magnetic levitation track panel anchoring device and installation and adjustment method |
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|---|---|
| CN109024112B (en) | 2024-08-06 |
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