CN102852056A - Elastic split type fastener of medium and low speed magnetic suspension rail - Google Patents
Elastic split type fastener of medium and low speed magnetic suspension rail Download PDFInfo
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- CN102852056A CN102852056A CN2012101509132A CN201210150913A CN102852056A CN 102852056 A CN102852056 A CN 102852056A CN 2012101509132 A CN2012101509132 A CN 2012101509132A CN 201210150913 A CN201210150913 A CN 201210150913A CN 102852056 A CN102852056 A CN 102852056A
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Abstract
An elastic split type fastener of a medium and low speed magnetic suspension rail has enough strength and buckling pressure, has large rail vertical, transverse and longitudinal adjusting capacity simultaneously provides rail elasticity and achieves bidirectional vibration attenuation. The elastic split type fastener comprises two groups of connection bolt assemblies arranged transversely at intervals and two groups of anchoring bolt assemblies transversely arranged at intervals, wherein the connection bolt assemblies integrate an H-shaped steel pillow with a connection board, vibration attenuation gaskets are arranged on the contact surfaces of the connection bolt assemblies and the H-shaped steel pillow, an under-pillow elastic cushion plate is arranged between a base plate of the H-shaped steel pillow and the connection board, and connection bolt long round holes extending along the circuit direction and used for enabling the upper portions of the connection bolt assemblies to penetrate through are arranged on the bottoms on two sides of the H-shaped steel pillow; and the anchoring bolt assemblies integrate the connection board and a support rail table, the lower portions of the anchoring bolt assemblies are connected with the support rail table in anchoring mode, a buffering cushion plate is arranged between the connection board and an iron cushion plate at the top surface of the support rail table, and anchoring bolt long round holes extending along the direction perpendicular to the circuit and used for enabling the upper portions of the anchoring bolt assemblies to penetrate through are arranged on the connection board.
Description
Technical field
The present invention relates to the magnetic levitation track field, particularly a kind of middle low speed magnetic floating track elasticity separated rail fastening and control method thereof for connecting the low speed magnetic floating section of track and track supporting structure.
Background technology
The characteristics such as middle low speed magnetic floating traffic has that climbing capacity is strong, turning radius is little and circuit strong adaptability, low noise, vibration are little, energy-conserving and environment-protective, beautifying urban environment, construction cost are low, easy to implement, being applicable to the city proper, closely intercityly being connected traffic with tourist attraction and connecting, is safe and reliable, environmentally friendly new city Rail Transit System.
Middle low speed magnetic floating is a kind of aspiration-type magnetic floating system under often leading, and utilizes levitating electromagnet energising excitation vehicle-mounted, that place the guide rail below to produce electric field, and the ferromagnetic component on magnet and the track is attracted each other, and train is upwards picked up be suspended on the track; Maglev vehicle is controlled the stability that train suspends, leads by the gap of control module and track.Magnetic levitation track is as the ground fixed structure of supporting and guiding train operation, and its structure design and maglev vehicle structure and suspension control system require closely related.
Fastener is the important composition parts of track structure, and in middle low speed magnetic floating track structure, fastener firmly is connected the floating section of track of magnetic with track, keeps the tram of the section of track on the basis, bottom, bears and transmit train gravity, guiding force, driving force and brake force; Fastener is unique supplier of track elasticity and adjustment capability, and its form of structure and performance have material impact for the utilization of middle low speed magnetic floating track structure.Fastener technology is the key technology of middle low speed magnetic floating track structure.
According to middle low speed magnetic floating traffic track interaction characteristics, be different from the General Requirements of High-Speed Wheel/Rail Systems contacting piece, also should have following characteristics for middle low speed magnetic floating rail clip: (1) suspension control system is that the section of track is produced the high frequency period vibration of both direction up and down but not single pressurized for the effect of track, therefore, fastener must be taked two-way vibration damping, could reduce the dual percussion to basis, bottom and buckling piece, prolong fastener application life and Effective Raise riding comfort.(2) the low speed magnetic floating traffic section of track can be considered as an overall structure in, and himself is connected firmly, and vertical cross stiffness is large, does not therefore need to consider also do not possess the feasibility that gauge is regulated.But for overcoming the track irregularity that causes owing to reasons such as basic engineering construction error, basic slope, creepage of bridge girder arch, bridge pier differential settlement, settlement of subgrade, satisfy the needs that keep in repair in the operation process, require fastener system must possess larger adjustment section of track height and the level adjustment capability of lateral attitude, the left and right sides.Especially middle Low-speed maglev vehicle suspension control system has higher requirement for the track structure system accuracy such as transversion malposition, rail level height smooth degree between each section of the section of track.
Low speed magnetic floating rail clip prior art is regardless of the open type fastening means at present both at home and abroad, only can realize longitudinal extension and vertically heightens, and can't realize that the section of track laterally adjusts.Described " regardless of open type " refer to fastener according to the supporting construction bind mode, have regardless of two types of open type and splits; Nonseparated rail fastening does not generally have elongated connection substrate, only has one deck pillow lower bolster between the section of track and track or rail beam, and the securing member of buckling piece directly is attached in concrete track or the concrete track beam; Separated rail fastening has substrate, and the section of track is anchored on the substrate by buckling piece, and substrate is anchored on track by bolt etc. again.
A kind of middle low speed magnetic floating circuit section of track fastener is disclosed in publication number is the application for a patent for invention manual of CN 201292488Y, this fastener is that the floating rail row of magnetic is fixed on the lower support body, this fastener includes resilient sleeper-bearing, height adjusting cushion plate, iron chair, successively plain washer, spring washer, section of track steel sleeper base plate, resilient sleeper-bearing, height adjusting cushion plate, iron chair are fixed on the described lower support body by anchor bolt, establish adjustment hole at described iron chair, insert the adjusting bolt of adjusting section of track geometric position when being used for laying the section of track in this hole.The effect of this invention is that maintenance is changed conveniently, is convenient to the section of track fastener of this structure, conveniently replaced resilient sleeper-bearing etc., adjusting bolt can be used as the section of track fulcrum use is installed when the section of track was laid, and can conveniently adjust height, the direction of the section of track during construction, need not adopt other auxiliary frame rail equipment again.This technology is by arranging adjusting bolt, only can adjust in construction period height and the direction of the section of track, can't carry out horizontal smooth-going status adjustment to the section of track during the circuit operation after the lower support body concrete is built, fastener structures is regardless of the open type fastening means, and the fastener adjustment capability is poor; Simultaneously, this technology only arranges resilient sleeper-bearing at steel sleeper base plate soffit, fails to realize on the track to vibration damping, will obviously affect riding comfort and contacting piece design service life and traffic safety and produce hidden danger.
A kind of track structure of magnetic floating traffic in being the application for a patent for invention manual of CN 101063286A, publication number is disclosed, comprise: rail beam, by syndeton supporting be fixed in sleeper and the supporting of rail beam and be fixed on the guide rail of sleeper upper surface both sides, syndeton comprises concrete pad and securing member, wherein, sleeper is made by the square steel pipe of hollow.A kind of manufacture method of track structure of magnetic floating traffic also is provided.By the elastic pinch plate of novelty, not only be convenient to install but also can obtain splendid damping performance.Although this technology can realize the requirement of two-way vibration damping to a certain extent by being provided with the elastic pinch plate with vertical direction deformability, but because fastener structures is regardless of the open type fastening means, securing member directly is attached in the concrete pad, can only be by perforate on elastic pinch plate along the slotted hole of circuit direction realizing section of track longitudinal extension, and can't realize the horizontal adjustment of the section of track.
The fastening devices of the floating section of track of a kind of magnetic in being the application for a patent for invention manual of CN 202090248U, publication number is disclosed, be used for the section of track is fixed in the lower support seat, comprise the bottom link of section of track installed base of described lower support seat that is rigidly connected, and be provided with the sleeper of the described section of track of locking and the locking member that can regulate of position along the vertical direction on the described link; When using this fastening devices to the section of track fixedly the time, the section of track can not rely on track in the location of vertical direction, it is the assembling that building of track do not affect the section of track, this fixed form is fixing more flexible to the section of track, can not be subjected to the impact of the poor environments such as temperature, improve the installation effectiveness of track construction engineering.This technology by welding manner with fastener screw directly be embedded in the rail beam body in bracing frame be connected, for regardless of the open type fastening means; Though fastener is connected firmly, reliability is high, but exist equally the section of track poor to regulating power and fail to solve the problem of two-way vibration damping in length and breadth.
Summary of the invention
Technical problem to be solved by this invention provides a kind of middle low speed magnetic floating track elasticity separated rail fastening, have enough intensity and buckle press, possesses the vertical horizontal and vertical adjustment capability of larger track, track elasticity is provided simultaneously and realizes two-way vibration damping, and it is convenient that the fastener assembly is regulated, changed, and is convenient to section of track adjustment and maintenance.
The technical solution adopted for the present invention to solve the technical problems is as follows:
Middle low speed magnetic floating track elasticity separated rail fastening of the present invention, to firmly be connected with track by the section of track that H shaped steel pillow forms, it is characterized in that it comprises: two groups of connecting bolt assemblies that are horizontally arranged at interval, H shaped steel pillow is connected as one with junction plate, on this connecting bolt assembly and H shaped steel pillow contact surface between be provided with damping washer, between H shaped steel pillow base plate and junction plate, resilient sleeper-bearing under the pillow is set, is provided with the connecting bolt slotted hole along the extension of circuit direction that passes for connecting bolt assembly top on the base plate of H shaped steel pillow both sides; Two groups of anchor bolts assemblies that are horizontally arranged at interval, junction plate and track are connected as one, the bottom of this anchor bolts assemblies and track anchor connection, between junction plate and track end face iron chair, by buffer plate is set, be provided with the anchor bolt slotted hole along the extension of horizontal path direction that passes for anchor bolts assemblies top on the junction plate.
The invention has the beneficial effects as follows, by adopting the split fastening means, make the section of track (containing fastener junction plate and above part thereof) produce transverse shifting with respect to iron chair and lower tracks supporting construction, can realize the horizontal stepless adjustment of the section of track, overcome the regulatory demand of the track irregularity such as transversion malposition between each section of the section of track that causes owing to reasons such as basic engineering construction error, basic slopes, satisfied in the operation process for the needs of section of track lateral adjustments maintenance, be conducive to guarantee the high system accuracy requirement of track structure; By design can realize adjusting for the vertical, horizontal of track structure simultaneously to structural optimization, and longitudinally self adaptation adjustment, there is not mutually constraint, has preferably maintenance, greatly facilitate in later stage operation maintenance process for the linear accurate adjustment of circuit, be conducive to high speed traveling safety and the riding comfort of middle low-speed maglev train; By between H shaped steel pillow plate upper surface and plain washer, damping washer being set, in steel sleeper base plate bottom resilient sleeper-bearing is set, when having preferably how much adjustment capabilities, realized Bidirectional damping function, effectively reduced the dual percussion of driving vibration to basis, bottom and buckling piece, prolonged fastener application life, improved the fastener dependability, and the vibrating noise that has further improved passenger's riding comfort and reduced middle low speed magnetic floating circuit periphery by this good vibration reducing measure pollutes.
The experiment proved that structure stress of the present invention is reasonable, adjust excellent performance, assembling fatigue test index satisfies domestic and international rail fastener technical standard and regulation and stipulation.The present invention is simple in structure, the component precision high, good reliability, and the elasticity equalization stable, construction and easy to adjust is conducive to reduce the maintenance workload, low speed magnetic floating circuit integrated maintenance cost in the reduction.
Description of drawings
This manual comprises following six width of cloth accompanying drawings:
Fig. 1 is the structural representation of low speed magnetic floating track elasticity separated rail fastening one embodiment among the present invention;
Fig. 2 is the structural representation of another embodiment of low speed magnetic floating track elasticity separated rail fastening among the present invention;
Fig. 3 is the structural representation that H shaped steel is rested the head in the low speed magnetic floating track elasticity separated rail fastening among the present invention;
Fig. 4 is the sectional drawing along A-A line among Fig. 3;
Fig. 5 is the top view of junction plate in the low speed magnetic floating track elasticity separated rail fastening among the present invention;
Fig. 6 is the sectional drawing along B-B among Fig. 5.
Component among the figure, toponym and corresponding mark: iron chair 11, buffer plate 12, junction plate 13, anchor bolt slotted hole 13a, T-shaped bolt hole 13b, plain washer 14, heavy-duty spring packing ring 15, hex nut 16, locknut 17, anchor bolt 18, the lower resilient sleeper-bearing 19 of pillow, H shaped steel pillow 20, connecting bolt slotted hole 20a, acorn nut 21, connecting bolt 22, damping washer 23, the lower height adjusting cushion plate 24 of pillow, height adjusting cushion plate 25 under the junction plate, hexagon thin nut 26, track 27, anchoring nut 28, insulation sleeve 29, spiral bar 30.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
With reference to Fig. 1～Fig. 6, middle low speed magnetic floating track elasticity separated rail fastening of the present invention will firmly be connected with track 27 by H shaped steel pillow 20 sections of track that form.It comprises two groups of connecting bolt assemblies that are horizontally arranged at interval, H shaped steel pillow 20 is connected as one with junction plate 13, on this connecting bolt assembly and H shaped steel rest the head on and be provided with damping washer 23 between 20 contact surfaces, rest the head at H shaped steel resilient sleeper-bearing 19 under the pillow is set between 20 base plates and the junction plate 13, H shaped steel is rested the head on and is provided with the connecting bolt slotted hole 20a that extends along the circuit direction that passes for connecting bolt assembly top on the 20 both sides base plates.It also comprises two groups of anchor bolts assemblies that are horizontally arranged at interval, junction plate 13 and track 27 are connected as one, the bottom of this anchor bolts assemblies and track 27 anchor connections, between junction plate 13 and track 27 end face iron chairs 11, by buffer plate 12 is set, be provided with the anchor bolt slotted hole 13a along the extension of horizontal path direction that passes for anchor bolts assemblies top on the junction plate 13.
With reference to Fig. 1, described connecting bolt assembly generally includes acorn nut 21, connecting bolt 22 and damping washer 23, acorn nut 21 is connected in the upper end of connecting bolt 22, the composite construction packing ring that damping washer 23 adopts rubber shock-absorbing packing ring or metal construction and the vulcanization of rubber to be integrated.Being arranged on when the section of track is vibrated by vehicle suspension control action generation acceleration upwards of damping washer 23 can be played good vibration damping and vibration isolation effect.Compare with employed elastic pinch plate in the prior art, damping washer 23 cost compares are low, and packing ring rigidity can be according to the specific requirement adjustment of vehicle under different locations and environment, and vibration damping arranges more scientific, and is easy to maintenance and replacing.
The purpose that fastener is regulated final required realization makes the H shaped steel pillow 20 can be in laterally (along the Y-direction perpendicular to line direction), the vertically movement of (along the X-direction of circuit length direction), vertical (perpendicular to the Z-direction of rail beam face) exactly.With reference to Fig. 2, Fig. 3 and Fig. 4, the present invention has opened two pairs by symmetric position on the base plate of H shaped steel pillow 20 and has been parallel to the vertically connecting bolt slotted hole 20a of (X-axis), be used for realizing its length travel, guarantee the release in the TEMPERATURE FORCE that produced by influence of temperature change, it is simple in structure, easy to process, can realize the H shaped steel pillow 20 stepless adjustment of self adaptation in the vertical.Difference with the prior art is, H shaped steel pillow 20 is associated with the junction plate 13 of bottom by the connecting bolt 22 that passes its base plate connecting bolt slotted hole 20a, rather than is caused by disposable directly be attached in concrete track 27 or the concrete track beam of bolt and can't safeguard and too high to the construction precision requirement; Connecting bolt 22 dismountings maintain easily easily among the present invention, are convenient in the work progress adjust, and are conducive to improve efficiency of construction.
With reference to Fig. 1, the present invention has realized that by arranging of junction plate 13 split of fastener structures is fastening.Compared with prior art, some major constraints for the fastener adjustment capability have been removed.With reference to Fig. 5 and Fig. 6, described junction plate 13 main bodys are slabbed construction, simple in structure, parts precision height, be symmetrical arranged two anchor bolt slotted hole 13a that extend along the horizontal path direction on it, and two T-shaped bolt hole 13b that the lower end is square deep gouge, connecting bolt 22 adopts lag screw, is easy to realize self-locking in its square toes section Snap joint plate 13 square deep gouges.Connecting bolt 22 head thickness can be optimized design and use material to reduce junction plate 13, and junction plate 13 materials can adopt ductile iron QT450-10 or cast steel, also can adopt Q235 or No. 45 direct machines of steel plate such as steel to form.With reference to Fig. 1, junction plate 13 is with after H shaped steel pillow 20 is connected by connecting bolt 22, then 13 section of track part (comprising junction plate 13) is visual as a whole on the junction plate, this integral body can make it carry out transverse shifting along the anchor bolt slotted hole 13a that is arranged on the junction plate 13 by the equipment that changes its course, the accurate measurement of matching track control net, thus can realize that the section of track is with respect to the stepless adjustment of the lateral displacement of lower tracks supporting construction.H shaped steel pillow 20 is fastenedly connected by the connecting bolt assembly with junction plate 13, and between adds the lower resilient sleeper-bearing 19 of pillow.
As shown in Figure 1, the present invention rests the head at H shaped steel and is provided with resilient sleeper-bearing 19 under the pillow under 20 base plates, and the lower resilient sleeper-bearing 19 of pillow can adopt elastomeric material or polyester elastomer composite material, to provide fastener main elasticity; Compared with prior art, mainly contain 2 differences: adopt plate armature, cancelled groove, can effectively increase fastener node resistance; Lower resilient sleeper-bearing 19 elasticity of pillow can with H type sleeper 20 base plates on damping washer 23 elasticity well mate, thereby form the followability of rail fastening, favourable to the driving stationarity.
H shaped steel pillow 20 and junction plate 13 realize that between the two the process of displacement can be controlled by connecting bolt 22 pretightning forces, when in running, having larger temperature rise temperature drop to change, for discharging rail temperature force, H shaped steel pillow 20 relatively junction plate 13 along the longitudinal direction (directions X is line direction) carry out-6mm～+ the active self adaptation adjustment of 6mm, according to the difference of section of track section length, this numerical value can arrange as the case may be; When rail temperature substantially constant or difference variation hour, H shaped steel pillow 20 is subject to up and down damping washer 23 and the double rub drag effect of resting the head on lower resilient sleeper-bearing 19, can limit creeping of H shaped steel pillow 20 and the upper section of track thereof, give full play to the stability action of section of track framework, reduce the generation of diseases of railway line.
With reference to Fig. 1, iron chair 11 is to be cast in track 27, for the movement of H shaped steel pillow 20 and junction plate 13 provides a rigid face, avoids junction plate 13 and track 27 direct effects to cause the damage of junction plate 13 or track 27.Junction plate 13, buffer plate 12, iron chair 11 connect by anchor bolt 18 from top to bottom, adjust installation dimension after, iron chair 11, anchor bolt 18 are cast in track 27.
With reference to Fig. 1, rest the head under 20 base plates and the pillow between the resilient sleeper-bearing 19 and height adjusting cushion plate 25 under the height adjusting cushion plate 24 and junction plate can be set respectively between buffer plate 12 and the iron chair 11 under the pillow as required at H shaped steel, perhaps both combinations can realize that track has level to heighten.Height adjusting cushion plate 25 can be made serial gauge under the lower height adjusting cushion plate 24 of pillow and the junction plate, every grade differential can be between 0.5mm～4mm, preferred 1mm～3mm.Height adjusting cushion plate 25 adopts rubber and plastic mixed elastomer materials to make under buffer plate 12 and, the lower height adjusting cushion plate 24 of pillow and the junction plate.For the buffer plate 12 between junction plate 13 and the iron chair 11, can be according to the negative regulator needs of track vertical direction, change under the suitable junction plate of thickness height adjusting cushion plate 25 or combination to realize negative heightening.
See figures.1.and.2, described anchor bolts assemblies generally includes plain washer 14, heavy-duty spring packing ring 15, hex nut 16, locknut 17 and anchor bolt 18, and plain washer 14, heavy-duty spring packing ring 15, hex nut 16, locknut 17 are installed on successively anchor bolt 18 and protrude upward the above top of junction plate 13 end faces.The bottom of described anchor bolt 18 is equipped with anchoring nut 28, perhaps is provided with two tight hexagon thin nuts 26 of the mutual back of the body in distance track 27 end faces one segment distance position.Perhaps, at track 27 interior pre-buried insulation sleeve 29, the bottom of anchor bolt 18 is threaded with insulation sleeve 29, and insulation sleeve 29 external surfaces arrange spiral bar 30.
With reference to Fig. 1, junction plate 13 realizes that the process of its lateral displacement functions is, when the fastening hex nut 16 of anchor bolt 18 loosens, junction plate 13 can realize lateral displacement (Y-direction is namely perpendicular to line direction)-6mm～+ displacement of 6mm.Fastening when the hex nut 16 of anchor bolt 18, the movement in space that then junction plate 13 is restrained.
Low speed magnetic floating track elasticity separated rail fastening among the present invention, vertical, the laterally adjustment, and longitudinally self adaptation adjustment of the low speed magnetic floating traffic section of track in can realizing, its concrete control method is as follows:
1, realizes the vertical displacement of H shaped steel pillow 20.When gene basis sinking etc. causes steel sleeper height and horizontal irregularity during runing, can 20 times height adjusting cushion plate 24 under the pillow be set at H shaped steel pillow, when the amount of heightening surpasses 10mm, can the while 12 times height adjusting cushion plate 25 under the junction plate be set at buffer plate.By unclamping separately 18 groups of 22 groups of connecting bolts and anchor bolts, rest the head under 20 base plates and the pillow between the resilient sleeper-bearing 19 and between buffer plate 12 and the iron chair 11 at H shaped steel, can snap in respectively height adjusting cushion plate 25 or both combinations under the height adjusting cushion plate 24 and junction plate under the pillows at different levels, realize that track vertically has level to heighten, also comprise buffer plate 12 can change into that height adjusting cushion plate 25 makes up to realize under the suitable junction plate of thickness-the negative of 5mm～0mm heighten.
2, realize the lateral displacement of H shaped steel pillow 20.During runing such as the gene basis transversion malposition or when tilting, the section of track need to laterally be adjusted, can loosen 18 groups of anchor bolts, this moment since other junctions all for being fastenedly connected, then section of track part (comprising junction plate 13) is visual as a whole on the junction plate 13, therefore the available equipment that changes its course makes it carry out transverse shifting along the horizontal slotted hole that is arranged on the junction plate 13, securing attachments fixing bolt 18 nuts after affirmation adjustment is finished, thus realize that the section of track is with respect to the stepless adjustment of the lateral displacement of track 27.
3, realize the length travel of H shaped steel pillow 20.By rest the head on 20 base plates at H shaped steel connecting bolt 22 slotted holes along the circuit direction are set, connecting bolt 22 was with anchor bolt 18 and was fastenedly connected this moment, H shaped steel pillow 20 can free longitudinal extension relative displacement on junction plate 13, is used for stepless each section of adjustment of self adaptation section of track longitudinal length because of expanding with heat and contract with cold that variations in temperature causes.
Some principles of low speed magnetic floating track elasticity separated rail fastening among the above the present invention that just explains through diagrams, be not be the present invention to be confined to shown in and in described concrete structure and the scope of application, so every corresponding modify that might be utilized and equivalent all belong to the claim that the present invention applies for.
Claims (10)
1. middle low speed magnetic floating track elasticity separated rail fastening, to firmly be connected with track (27) by the section of track that H shaped steel pillow (20) forms, it is characterized in that it comprises: two groups of connecting bolt assemblies that are horizontally arranged at interval, H shaped steel pillow (20) and junction plate (13) are connected as one, on this connecting bolt assembly and H shaped steel pillow (20) contact surface between be provided with damping washer (23), between H shaped steel pillow (20) base plate and junction plate (13), resilient sleeper-bearing (19) under the pillow is set, is provided with the connecting bolt slotted hole (20a) along the extension of circuit direction that passes for connecting bolt assembly top on H shaped steel pillow (20) two side bottoms; Two groups of anchor bolts assemblies that are horizontally arranged at interval, junction plate (13) and track (27) are connected as one, the bottom of this anchor bolts assemblies and track (27) anchor connection, between junction plate (13) and track (27) end face iron chair (11), by buffer plate (12) is set, be provided with the anchor bolt slotted hole (13a) along the extension of horizontal path direction that passes for anchor bolts assemblies top on the junction plate (13).
2. middle low speed magnetic floating track elasticity separated rail fastening as claimed in claim 1 is characterized in that: be provided with the lower height adjusting cushion plate (24) of pillow between the lower resilient sleeper-bearing (19) of described H shaped steel pillow (20) base plate and pillow.
3. middle low speed magnetic floating track elasticity separated rail fastening as claimed in claim 1 is characterized in that: be provided with height adjusting cushion plate under the junction plate (25) between described buffer plate (12) and the iron chair (11).
As claimed in claim 2 or claim 3 in low speed magnetic floating track elasticity separated rail fastening, it is characterized in that: height adjusting cushion plate (25) adopts rubber and plastic mixed elastomer material to make under described buffer plate (12), the lower height adjusting cushion plate (24) of pillow and the junction plate, height adjusting cushion plate (25) has serial gauge under the lower height adjusting cushion plate (24) of pillow and the junction plate, and every grade of gauge is differential to be 0.5mm～4mm.
5. middle low speed magnetic floating track elasticity separated rail fastening as claimed in claim 1, it is characterized in that: resilient sleeper-bearing under the described pillow (19) is plate armature, adopts elastomeric material or polyester elastomer composite material to make.
6. middle low speed magnetic floating track elasticity separated rail fastening as claimed in claim 1, it is characterized in that: described connecting bolt assembly comprises acorn nut (21), connecting bolt (22) and damping washer (23), acorn nut (21) is connected in the upper end of connecting bolt (22), the composite construction packing ring that damping washer (23) adopts rubber shock-absorbing packing ring or metal construction and the vulcanization of rubber to be integrated.
7. middle low speed magnetic floating track elasticity separated rail fastening as claimed in claim 6.
8. middle low speed magnetic floating track elasticity separated rail fastening as claimed in claim 7, it is characterized in that: described anchor bolts assemblies comprises plain washer (14), heavy-duty spring packing ring (15), hex nut (16), locknut (17) and anchor bolt (18), and plain washer (14), heavy-duty spring packing ring (15), hex nut (16), locknut (17) are installed on successively anchor bolt (18) and protrude upward the above top of junction plate (13) end face.
9. middle low speed magnetic floating track elasticity separated rail fastening as claimed in claim 8, it is characterized in that: the bottom of described anchor bolt (18) is equipped with anchoring nut (28), perhaps is provided with tight two hexagon thin nuts (26) of the mutual back of the body in distance track (27) end face one segment distance position.
10. middle low speed magnetic floating track elasticity separated rail fastening as claimed in claim 8, it is characterized in that: pre-buried insulation sleeve (29) in the described track (27), the bottom of anchor bolt (18) is threaded with insulation sleeve (29), and insulation sleeve (29) external surface arranges spiral bar (30).
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| CN201210150913.2A CN102852056B (en) | 2012-05-16 | 2012-05-16 | Medium-and low-speed maglev track elasticity separated rail fastening |
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| CN201210150913.2A CN102852056B (en) | 2012-05-16 | 2012-05-16 | Medium-and low-speed maglev track elasticity separated rail fastening |
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| CN104674613A (en) * | 2014-12-15 | 2015-06-03 | 中铁第四勘察设计院集团有限公司 | Low-maintenance low-and-middle-speed magnetic suspension three-dimensional adjustable fastener |
| CN108268680B (en) * | 2016-12-30 | 2021-10-22 | 中国机械工业集团有限公司 | Multi-defense line concept design method for building structure vibration control |
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| CN110184862B (en) * | 2019-07-01 | 2024-01-30 | 中铁二院工程集团有限责任公司 | Anti-dislocation connecting fastener for toothed rail and toothed rail seat |
| CN111041900A (en) * | 2019-12-01 | 2020-04-21 | 中铁二院工程集团有限责任公司 | Single-toe elastic strip buckling type magnetic suspension fastener system |
| CN110952392A (en) * | 2019-12-01 | 2020-04-03 | 中铁二院工程集团有限责任公司 | Vibration-damping buckle-plate type magnetic suspension fastener system easy to maintain |
| CN111304975A (en) * | 2020-03-06 | 2020-06-19 | 中铁二院工程集团有限责任公司 | Adjustable split type medium-low speed magnetic suspension fastener |
| CN111218865A (en) * | 2020-03-09 | 2020-06-02 | 中铁二院工程集团有限责任公司 | Adjustable split type medium-low speed magnetic suspension fastener system |
| CN111218865B (en) * | 2020-03-09 | 2024-09-13 | 中铁二院工程集团有限责任公司 | Adjustable split type medium-low speed magnetic levitation fastener system |
| CN111395057A (en) * | 2020-04-30 | 2020-07-10 | 中铁二院工程集团有限责任公司 | Combined rail bearing platform |
| CN111608032A (en) * | 2020-05-24 | 2020-09-01 | 中铁宝桥集团有限公司 | Self-adaptive track beam connection telescopic device and telescopic method |
| CN111905483A (en) * | 2020-08-10 | 2020-11-10 | 东台宏博净化科技有限公司 | Prevent that static use of drier from wetting absorb dry machine |
| CN111877059A (en) * | 2020-08-28 | 2020-11-03 | 中国铁路设计集团有限公司 | Double-anchoring elastic split type track panel fastener for medium-low speed magnetic levitation traffic |
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