CN204738190U - Low three -dimensional adjustable fastener of moderate -low speed magnetic levitation of maintaining - Google Patents

Abstract

The utility model discloses a low three -dimensional adjustable fastener of moderate -low speed magnetic levitation of maintaining is including H type sleeper, iron chair and the support rail platform from top to bottom arranged in proper order, all be provided with the slotted hole on the bottom plate of H type sleeper both sides, be provided with a bolted connection hole and the 2nd bolted connection hole on the iron chair, H type sleeper passes through T type bolt screw in slotted hole and a bolted connection hole links to each other with the iron chair, the iron chair passes through the 2nd bolted connection hole of anchor bolt screw in and links to each other with the support rail platform, a bolted connection hole includes T type bolt screw in hole and T type bolt locking hole, T type bolt screw in hole site locks the hole top in T type bolt. Having realized the fore -and -aft adjustment in section of track extensions way through open the elliptical aperture on H type sleeper, having appeared the horizontal adjustment of the section of track and spacing through quit a post and thus leave it vacant cause for gossip on iron chair and H pillow simultaneously, the vertical same combinations of increaseing the backing plate different excessively can realize vertical increaseing on a large scale.

Description

Lowly safeguard the three-dimensional adjustable fastener of medium-and low-speed maglev

Technical field

The utility model relates to magnetic levitation track technical field, is specially a kind of lowly to safeguard the three-dimensional adjustable fastener of medium-and low-speed maglev.

Background technology

Medium-and low-speed maglev traffic has that low vibration, low noise, acceleration are fast, climbing and the strong feature of curve negotiation ability, the deficiency of wheel track traffic can well be overcome, having obvious technology and economic advantages, is one of important directions of 21 century green city's track traffic development.

Medium-and low-speed maglev is normal magnetic conduction suction magnetic floating system, the levitating electromagnet energising excitation be placed on bogie is utilized to produce electric field, ferromagnetic component on magnet and track is attracted each other, train is suspended in track, maglev vehicle is by being positioned at sensor below track and control module, monitoring and adjustment control magnetic and float gap, control the stability that train suspends, leads.

Fastener system is the vitals of medium-and low-speed maglev track structure, the section of track is firmly connected with track by it, guarantee track stability, reliability are played an important role, in addition the elasticity of medium-and low-speed maglev track depends on fastener system substantially, and the precision of medium-and low-speed maglev track also will adjust by fastener system and keep.Therefore, the importance of fastener in medium-and low-speed maglev traffic route and apparent on the impact of transportation safety.

Medium-and low-speed maglev vehicular traffic and track structure interact and High-Speed Wheel/Rail Systems effect has obvious difference.Medium-and low-speed maglev rail clip should have following characteristics: (1) fastener system is as the important feature connecting section of track structure and infrastructure, have important impact to the safety of driving a vehicle and riding comfort, therefore it should have enough intensity, buckle press, appropriate elasticity; (2) in, the required precision of slow-moving vehicle track structure is higher, simultaneously for overcoming construction error, the track structure state change that foundation settlement and other factors cause, fastener system must possess larger adjustment section of track height and the level adjustment capability of lateral attitude, left and right; (3) fastener system is steel structure material, is guarantee period military service performance and used life, good insulation, antiseptic property; (4) for cutting operating costs, improve maintenance efficiency, fastener also should have construction and maintenance feature easily.

Current domestic magnetic float test wire and commercial line according to different sleeper type of design multiple medium-and low-speed maglev fastener, mainly contain elasticity regardless of open type and elasticity split two kinds.Its Elastic nonseparated rail fastening is generally directly resilient sleeper-bearing and height adjusting cushion plate are directly fixed on infrastructure by anchor bolt, only can realize longitudinal extension and vertically heighten, and cannot complete the transverse direction adjustment of section of track entirety.Section of track structure is connected with infrastructure by two groups of bolts by elasticity separated rail fastening, the three-dimensional adjustment of section of track structure can be realized, but all there is complex structure in existing elasticity separated rail fastening, crosswise joint scarce capacity, the feature that fastener part replacement is difficult in maintenance.

Be please disclose a kind of low speed magnetic floating circuit section of track fastener in manual in the utility model patent of CN 201292488Y at publication number, this fastener includes resilient sleeper-bearing, height adjusting cushion plate, iron chair, plain washer, spring washer, section of track steel sleeper base plate, resilient sleeper-bearing, height adjusting cushion plate, iron chair is fixed on described lower support body successively by anchor bolt.The effect of this utility model be the section of track fastener of this structure change convenient, be convenient to maintenance, conveniently replaced resilient sleeper-bearing etc.This technology by arranging adjusting bolt, only can on executing period adjustment the section of track height with universal, cannot carry out the smooth-going status adjustment of transverse direction to the section of track during the circuit operation after lower support body concrete is built, fastener adjustment capability is poor; Fail to realize to vibration damping on track simultaneously, certain impact is produced on travel safety and comfortableness.It is the track structure disclosing a kind of magnetic floating traffic in the utility application manual of CN 101063286A at publication number, comprise: rail beam, to be supported by syndeton and be fixed on sleeper and the supporting of rail beam and be fixed on table on sleeper and the guide rail of both sides, syndeton comprises concrete pad and securing member, wherein, sleeper is made up of the square steel pipe of hollow.By the elastic pinch plate of novelty, be only convenient to install and good damping performance can be obtained, realize the requirement of two-way vibration damping.But longitudinally can only be contracted the second month in a season to realize the section of track by the elliptical aperture of perforate on elastic pinch plate along line direction, and the transverse direction adjustment of the section of track cannot be realized.Be please disclose the fastening devices that a kind of magnetic floats the section of track in manual in the utility model patent of CN 202090248U at publication number, comprise bottom to be rigidly connected the link of section of track installed base of described lower support seat, and described link is provided with the sleeper that locks the described section of track and the position locking member that can regulate along the vertical direction; The section of track can not rely on track in the location of vertical direction, and this fixed form is relatively more flexible to fixing of the section of track, by the impact of the poor environments such as temperature, can not improve the installation effectiveness of track construction engineering.Fastener clump is connected firmly, reliability is high, but it is poor and fail to solve the problem of two-way vibration damping to regulating power in length and breadth to there is the section of track equally.A kind of medium-and low-speed maglev train rail section of track three-dimensional regulation fastener is disclosed at the utility model patent of Authorization Notice No. CN 202509344 U.Fastener is made up of foundation slab, lateral adjustments system, longitudinal regulating system, sleeper installation system; Foundation slab, lateral adjustments system, longitudinal regulating system, sleeper installation system are from bottom to top connect successively by bolt group, are assembled into a fastener entirety; The sleeper of the section of track is installed in the top of fastener.Achieve first monomer and install and regulate fastener, casting track, then install the section of track, improve the efficiency that the section of track is installed, locking function makes the section of track more stable, safer.Fastener has the advantages such as structure is simple, installation degree of regulation is high, regulated quantity is large.What the roll adjustment due to the vertical and horizontal of fastener all adopted is held out against bolt by lock screw, fastener system can not be made to prolong longitudinally flexible under the effect of anti-creep resistance, with the power of diffusing, and this roll adjustment mode is adopted easily to cause damage to the screw thread of anchor bolt, difficult in maintenance.Be please disclose the fastening devices that a kind of magnetic floats the section of track in manual in the utility model patent of CN 102852056A at application number, iron chair and infrastructure are fixed by one group of anchor bolt by this fastener, use another group set bolt to be fixed with iron chair by H pillow, ensure that toe load of fastening and uplift resistance.Carry out vertical adjustment by changing the height adjusting cushion plate of different-thickness, H profile steel pillow is opened elliptical aperture and is carried out longitudinal adjustment, and backing plate fluting is in length and breadth to adjusting.The secondary junction steel plate upper and lower surface of set bolt arranges resilient sleeper-bearing simultaneously, realizes the two-way vibration damping to track structure.This fastener is elasticity separated rail fastening, can realize adjusting the three-dimensional of the section of track, but fastener structures is complicated, and component are more, and cost is high, safeguards inconvenience.

Utility model content

Therefore, in order to overcome the deficiency that prior art exists, the utility model provides a kind of and has enough intensity and buckle press, possess the vertical horizontal and vertical adjustment capability of larger track, provide rational track elasticity simultaneously and realize that two-way vibration damping, fastener assemblies three-dimensional regulation are convenient, the replacing of bolt and height adjusting cushion plate and safeguard convenient, can ensure fastener to the section of track laterally strong restriction, keep the low of circuit geometry state to safeguard the three-dimensional adjustable fastener of medium-and low-speed maglev.

For solving the problems of the technologies described above, the utility model is low safeguards that the three-dimensional adjustable fastener of medium-and low-speed maglev comprises the H type sleeper arranged successively from top to bottom, iron chair and track, described H type sleeper both sides base plate is provided with slotted hole, described iron chair is provided with the first bolt connecting hole and the second bolt connecting hole, described H type sleeper screws in slotted hole by T-shaped bolt and is connected with iron chair with the first bolt connecting hole, described iron chair screws in the second bolt connecting hole by anchor bolt and is connected with track, described first bolt connecting hole comprises T-shaped bolt advances through hole and T-shaped bolt locking holes, described T-shaped bolt advances through hole is positioned at above T-shaped bolt locking holes.

The beneficial effects of the utility model are as follows: 1, by opening the adjustment that elliptical aperture achieves section of track extensions road longitudinal direction on H type sleeper, achieve the adjustment of section of track transverse direction and spacing by gap on iron chair and H pillow, the vertical combination with crossing different height adjusting cushion plate can realize vertically heightening on a large scale simultaneously.

2, fastener system can realize the three-dimensional regulation of the rail section of track, can eliminate the change of track structure position because construction and other factors such as sedimentation and temperature cause, ensure that the geometric accuracy of circuit.

3, decrease the component of fastener, when changing bolt, only need nut to back out, rotate T-nut and conveniently replaced bolt, and without the need to being lifted completely by the whole section of track, meet the needs of rapidly and efficiently routine servicing maintenance.

4, the vertical of the section of track can be completed quickly and easily by replacing height adjusting cushion plate to heighten.Rested the head on the resilient sleeper-bearing of soffit both sides setting by H, the two-way vibration damping of track structure can be realized, improve road-ability, reduce driving noise, extend the application life of fastener simultaneously.

After reading the detailed description of the utility model embodiment by reference to the accompanying drawings, other features of the present utility model and advantage will become clearly.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail, wherein:

Fig. 1 the utility model fastener system assembly drawing

Fig. 2 the utility model horizontal roll adjustment stop block structure schematic diagram

Fig. 3 the utility model iron chair schematic diagram

Fig. 4 the utility model can be used for alternative iron chair scheme one

Fig. 5 the utility model can be used for alternative iron chair scheme two

Fig. 6 the utility model can be used for alternative iron chair scheme three

The T-shaped bolt arrangement schematic diagram of Fig. 7 the utility model

Fig. 8 the utility model elastic underlay sheet structure schematic diagram

Fig. 9 the utility model height adjusting cushion plate structural representation

Figure 10 the utility model H type concrete sleeper schematic diagram

Figure 11 is the upward view of Fig. 3

Figure 12 is the right view of Fig. 7

Detailed description of the invention

Safeguard that the three-dimensional adjustable fastener of medium-and low-speed maglev makes the following instructions below in conjunction with accompanying drawing and detailed description of the invention of the present utility model to the utility model is low.

Embodiment: one is low safeguards the three-dimensional adjustable fastener of medium-and low-speed maglev, comprise the H type sleeper 13 arranged successively from top to bottom, iron chair 5 and track 12, described H type sleeper 13 both sides base plate is provided with slotted hole 13A, described iron chair 5 is provided with the first bolt connecting hole 5C and the second bolt connecting hole 5D, described H type sleeper 13 screws in slotted hole 13A by T-shaped bolt 7 and is connected with iron chair 5 with the first bolt connecting hole 5C, described iron chair 5 screws in the second bolt connecting hole 5D by anchor bolt 1 and is connected with track 12, described first bolt connecting hole 5C comprises T-shaped bolt advances through hole 5A and T-shaped bolt locking holes 5B, described T-shaped bolt advances through hole 5A is positioned at above T-shaped bolt locking holes 5B.Described T-shaped bolt 7 is provided with damping pad 9 and damping pad cover plate 8 with the connecting portion of H type sleeper 13.Be disposed with height adjusting cushion plate 11 from the bottom to top between the bottom of described H profile steel pillow 13 and the upper surface of iron chair 5 and rest the head on lower resilient sleeper-bearing 10.The utility model also comprises the horizontal roll adjustment block 4 being provided with anchor attachment holes 4A, described horizontal roll adjustment block 4 screws in anchor attachment holes 4A by anchor bolt 1 and is connected with iron chair 5, described H type sleeper 13 both sides have the shallow slot 13C coordinated with horizontal roll adjustment block 4, realize transverse direction locking and the adjustment of track to track row.Described horizontal roll adjustment block 4 is provided with heavy-duty spring packing ring 3 by anchor bolt 1.

The head of anchor bolt 1 can be square plate, also can be other patterns, to improve the overall pulling test power of bolt, improves the stressed of structure.With reference to Fig. 7, can be passed slotted hole 13A and the first bolt connecting hole 5C by the T-shaped bolt 7 of rotation during installation inserts in T-shaped bolt locking holes 5B, by above carrying T-shaped bolt 7, the inclined-plane of face 7A and T-shaped bolt locking holes 5B is fitted, prevent T-shaped bolt 7 from rotating, simultaneously when carrying out transverse direction and adjusting, loosening clamp nut can by its extensions road transverse shifting.So just achieve not integral raising and remove the top section of track condition under change the component of fastener system and realize the vertical of the rail top section of track and horizontal adjustment.With reference to Fig. 3 ~ 6, the first bolt connecting hole 5C and the second bolt connecting hole 5D is one group, and one has two groups is arranged symmetrically on iron chair 5.T-shaped bolt advances through hole 5A can rotate for T-shaped bolt 7 and insert, and T-shaped bolt locking holes 5B can supply T-shaped bolt 7 spin locking.Fig. 4 ~ 6 are optimized design to the contour structures of iron chair on the basis of Fig. 3, ensure that the rotation of T-shaped bolt 7 is taken out and fixing space by arranging different projections, upper ledge can be used for settling horizontal roll adjustment block 4 simultaneously, the two combines the thickness that significantly can reduce iron chair 5 and horizontal roll adjustment block 4, reduces materials.Its top should be made after the installation of T-shaped bolt 7 to open, and centering mark line 13B that shallow slot 7B rests the head on H profile steel overlaps on vertical.With reference to Fig. 2, the profile of horizontal roll adjustment block 4 is square, central aperture, the horizontal adjustment amount of different stage is realized by different perforate eccentric position, during installation, this face and the H type sleeper 13C that slots fits tightly, and realize the cross spacing to the section of track, the material of horizontal roll adjustment block can be general structural steel, also can be and reduce abrasion, adopt the organic material that intensity is higher.With reference to Fig. 8, have and can rotate for T-shaped bolt 7 the big hole 10A inserted in the middle of the lower resilient sleeper-bearing 10 of pillow, diagonal angle has to be inserted and the side 10B contacted for horizontal roll adjustment block, move by preventing resting the head on lower resilient sleeper-bearing 10 with the contact of horizontal roll adjustment block 4, and can connecting sewing contacting piece System drainage be passed through.The material of the lower resilient sleeper-bearing 10 of pillow can be elastomeric material or polyester elastomer materials.Its rigidity can carry out mating preferably according to vehicle and the actual conditions of track structure.With reference to Fig. 9, have in the middle of height adjusting cushion plate 11 and can rotate for T-shaped bolt 7 the circular hole 11A inserted, diagonal angle has to be inserted and the height adjusting cushion plate side 11B contacted for horizontal roll adjustment block 4, by preventing height adjusting cushion plate 11 from moving with the contact of horizontal roll adjustment block 4, and connecting sewing contacting piece System drainage can be passed through.Height adjusting cushion plate 11 makes serial gauge, and the extreme difference of every grade can be and arranges as required.Combined by the backing plate of different-thickness, realize the adjustment amount of differing heights.Heightening of the section of track can be realized downwards by the thickness changing initial backing plate.H type sleeper 13 both sides base plate has the slotted hole 13A of extensions road longitudinal direction, and spaced fluting 13B, centering mark line 13C is set on its bottom surface to control being rotated in place of T-shaped bolt 7 simultaneously.Realize adjusting and locking the transverse direction of the section of track by inserting dissimilar horizontal roll adjustment block 4 in fluting, after horizontal roll adjustment block installation, fluting face rested the head on by its side and H type certain distance in a longitudinal direction, this distance is reserved relevant with longitudinal adjustment amount, and the rainwater entered therebetween can be discharged by the hole between sleeper and bottom backing plate.The setting of slotted hole 13A, can make the section of track at the longitudinal free-extension of the downward circuit of the control of fastener system longitudinal resistance to diffuse stress.

According to the needs of construction, first iron chair and anchor bolt pair are assembled, then on iron chair, height adjusting cushion plate is stacked successively, rubber mat plate, hole 10A and 11A is aligned, horizontal roll adjustment block passing hole 4A is connected with anchor bolt, the side 4B of horizontal roll adjustment block and the sleeper 13C that slots fits tightly, after adjusting to rational position, by T-shaped bolt through hole 10A, 11A, after 13A, half-twist is inserted through hole 5A, and in the perforate 5B of iron chair half-twist, on carry T-shaped bolt face 7A and face 5C fitted, note the 7B line of rabbet joint and 13B centering mark line are aligned simultaneously, top damping pad and top damping pad cover plate is stacked successively through T-shaped bolt, finally you enter clamp nut, complete the assembling of fastener system and the section of track, and by regulating the anchorage depth of thin nut adjustment anchor bolt to designing anchorage depth, the last locus adjusting the section of track before building, build fastener fixing the section of track.

During vertical roll adjustment, first loosen the attaching nut of T-shaped bolt 7, make it sink to bottom backing plate 8, rotate from iron chair 5 and take out.According to the required amount of heightening, select the height adjusting cushion plate 11 of different-thickness combination, after having stacked, T-shaped bolt 7 is rotated from the bottom surface slotted hole 13A of sleeper and is screwed into.And on carry bolt, make the setting-out 7B position on its top concordant with sleeper 13.Tight a bolt according to the moment of torsion of design.Longitudinal roll adjustment: the elliptical aperture opening extensions road longitudinal direction in H profile steel pillow bottom, make it under the control of longitudinal resistance, longitudinal free-extension distortion on extensions road, simultaneously in order to limit the movement of the section of track, need to arrange fixing sleeper at interval of certain distance, simultaneously in order to ensure the controllability of section of track longitudinal direction, need the positive stop arranged separately for longitudinal elliptical aperture.Horizontal roll adjustment: the nut of anchor bolt is loosened, horizontal roll adjustment block 4 is taken out, loosen the clamp nut of T-shaped bolt 7, T-shaped bolt 7 is made to drive H type sleeper to slide into the position needing adjustment, change suitable horizontal roll adjustment block 4, lock the nut of anchor bolt and T-shaped bolt according to design torque, complete transverse direction adjustment and the locking of the section of track.

The flexible acquisition of fastener, the vibration damping providing track structure downward by the resilient sleeper-bearing of H profile steel pillow bottom, provides the vibration damping of track structure upward direction by the elastomeric pad 9 under the top cover plate of T-shaped bolt 7 and heavy-duty spring packing ring 3.

When changing bolt, the attaching nut of T-shaped bolt 7 of first back-outing, makes it sink to bottom backing plate, rotates and take out from iron chair.And again rotate in the circular hole of rubber mat plate 10 and height adjusting cushion plate 11, propose with sleeper being opened after elliptical aperture aligns, then insert the new T-shaped bolt 7 changed.When changing rubber mat plate, bolt is proposed, below sleeper, inserts new backing plate, tight a bolt after aligning.

Above-described embodiment is the utility model preferably embodiment; but embodiment of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.

Claims (5)

1. safeguard the three-dimensional adjustable fastener of medium-and low-speed maglev for one kind low, comprise the H type sleeper (13) arranged successively from top to bottom, iron chair (5) and track (12), it is characterized in that: described H type sleeper (13) both sides base plate is provided with slotted hole (13A), described iron chair (5) is provided with the first bolt connecting hole (5C) and the second bolt connecting hole (5D), described H type sleeper (13) screws in slotted hole (13A) by T-shaped bolt (7) and is connected with iron chair (5) with the first bolt connecting hole (5C), described iron chair (5) screws in the second bolt connecting hole (5D) by anchor bolt (1) and is connected with track (12), described first bolt connecting hole (5C) comprises T-shaped bolt advances through hole (5A) and T-shaped bolt locking holes (5B), described T-shaped bolt advances through hole (5A) is positioned at T-shaped bolt locking holes (5B) top.

2. according to claim 1ly lowly safeguard the three-dimensional adjustable fastener of medium-and low-speed maglev, it is characterized in that described T-shaped bolt (7) is provided with damping pad (9) and damping pad cover plate (8) with the connecting portion of H type sleeper (13).

3. according to claim 1 and 2ly lowly safeguard the three-dimensional adjustable fastener of medium-and low-speed maglev, it is characterized in that being disposed with height adjusting cushion plate (11) from the bottom to top between the bottom of described H profile steel pillow (13) with the upper surface of iron chair (5) and resting the head on time resilient sleeper-bearing (10).

4. according to claim 1 and 2ly lowly safeguard the three-dimensional adjustable fastener of medium-and low-speed maglev, characterized by further comprising the horizontal roll adjustment block (4) being provided with anchor attachment holes (4A), described horizontal roll adjustment block (4) screws in anchor attachment holes (4A) by anchor bolt (1) and is connected with iron chair (5), and described H type sleeper (13) both sides have the shallow slot (13C) coordinated with horizontal roll adjustment block (4).

5. according to claim 4ly lowly safeguard the three-dimensional adjustable fastener of medium-and low-speed maglev, it is characterized in that described horizontal roll adjustment block (4) is provided with heavy-duty spring packing ring (3) by anchor bolt (1).