CN104562874A - Steel rail takeup and putdown device - Google Patents
Steel rail takeup and putdown device Download PDFInfo
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- CN104562874A CN104562874A CN201510020228.1A CN201510020228A CN104562874A CN 104562874 A CN104562874 A CN 104562874A CN 201510020228 A CN201510020228 A CN 201510020228A CN 104562874 A CN104562874 A CN 104562874A
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- rail
- guide holder
- clip wheel
- oil cylinder
- draw
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a steel rail takeup and putdown device which comprises a positioning module and a steel rail clamping module. The positioning module comprises a guide seat, a hanging rack assembly and a vertical oil cylinder. The steel rail clamping module comprises a slide block, wherein a long clamping wheel and a short clamping wheel mutually and oppositely arranged in the length direction of the guide seat and movably clamp a steel rail, rail head leaning wheels located at the rear portion of the long clamping wheel and the rear portion of the short clamping wheel, mutually and oppositely arranged in the length direction of the guide seat and always fixing and clamping a rail head of the steel rail and a rail pressing wheel arranged at the upper portion between the long clamping wheel and the short clamping wheel and always exerting downward pressure on the rail face of the steel rail are further arranged inside the slide block. The steel rail takeup and putdown device can clamp and move the steel rail according to rail change demand, effectively controls the acting force of the steel rail, enables the steel rail to be smoothly arranged into a rail bearing groove and is suitable for railway rail changing operation.
Description
Technical field
The present invention relates to railway engineering field, especially relate to a kind of rail draw off gear being applied to railway track quick track switching operating working vehicle.
Background technology
Usually to clamp rail in construction of railways operation, as switched tracks, laying a railway track, change the operations such as pillow, in above-mentioned operation process, rail should be made to move by job requirements, again to therefore and produce active force control.Especially, when new rail enters rail support groove, rail should be made to move by job requirements, again to therefore and produce active force control.Under various working condition, railway construction machine, to the difference in rail clamping face, support face, all can produce different impacts to construction operation.
The dissimilar replacing track machine being adapted to different purposes is then disclosed in patent CN101718067A, CN2263610Y, CN2871617, CN2510526Y, CN1152169C, the method adopted is generally to put new rail in old trackside and after removing most of fastener of old rail, by walking limit, mechanical limit, old rail is moved away from rail support groove piecemeal continuously, while new rail is placed in the mode of working continuously in rail support groove piecemeal continuously.In these operating types, new rail and old rail all need bear torsion because there is lateral displacement, therefore how to control to become on the active force of rail the principal element affecting operating efficiency and job safety, in construction of railways trailer tool, rail clamping device is its critical component.But do not provide enough rail clamping device to adapt to the demand of different construction operation operating modes in prior art, need improve further.
In the middle of prior art, as shown in accompanying drawing 1 to 5, applied on November 23rd, 2009 by Zhuzhou InnoTran Railway Equipment Co., Ltd., and open on 06 02nd, 2010, the rail clamping device described in Chinese invention patent " a kind of rail draw off gear of jointless track fast rail replacing work vehicle " that publication number is CN101718067A.As shown in Figures 1 and 2, it be installed on railway switch tracks vehicle vehicle body bottom frame under, the rail clamp assemblies comprising positioning component and be fixed thereon, the structure of positioning component is: the hanger suspending that the strip guide holder that bottom is provided with guide rail is stretched under vehicle body bottom frame is vertical by two, and the scalable vertical oil cylinder stretched under vehicle body bottom frame is vertical by two controls.Strip guide holder is arranged with guide rail to be suspended as the first right slide block, and the motion of the first slide block is fixed on guide holder side by fixed end, and the scalable horizontal tune oil cylinder that movable end is connected with the first slide block controls.First slide block and the parts that it is arranged form and clamp rail assemblies.Also be provided with the telescopic integrally-regulated oil cylinder that guide holder is moved along its length under suspension bracket, between suspension bracket with guide holder, also have strut to be connected.Guide holder centrally line both sides is respectively equipped with a pair cylindrical roller and rail head pinch roller, fixing between cylindrical roller and guide holder, the invariant position between four cylindrical roller.Guide holder in space X, Y, Z coordinate position is controlled by vertical oil cylinder, integrally-regulated oil cylinder and strut, and with the vertical rails of the rail head of rail clamped by satisfied clamping rail assemblies and heavy rail groove apart from 0mm ~ 1000mm, and gauge is the needs of 1505mm.
But in the middle of prior art, rail head pinch roller is arranged on the outside of guide holder, if in operation process, rail upwarps or sagging, and the rail between rail head roller must change in vertical position.Now, again due to the limited length of rail head roller, probably make rail depart from the constraint of clamping device, thus rail is dropped phenomenon.Simultaneously, switch tracks in operation process actual, because the existence of connecting cleat between rail (being called for short " splice bar "), cause rail head roller not do very long, therefore existing rail clamping device clamps not strongly solid technological deficiency to rail and can not be well solved all the time.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of rail draw off gear, clamping, mobile rail can be needed according to what switch tracks, and effectively control the active force of rail, make it successfully to enter rail support groove, be adapted to railway and switch tracks the needs of operation.
In order to realize foregoing invention object, the present invention specifically provides a kind of technic relization scheme of rail draw off gear, and rail draw off gear, comprising: positioning component, and the rail clamp assemblies be fixed thereon.Described positioning component comprises the guide holder that bottom is provided with the strip of guide rail along its length further, the suspension bracket composition stretched under vehicle body bottom frame is vertical, and two perpendicular to length over ends of body direction and from vehicle body bottom frame vertically under the telescopic vertical oil cylinder stretched, described guide holder can carry out catenary motion under the promotion of described vertical oil cylinder.Described rail clamp assemblies comprises the slide block being arranged at bottom, described guide holder two ends in couples further, and described slide block can carry out transverse shifting along the length direction of described guide holder.The inside of described slide block is provided with further:
Length direction along described guide holder is positioned opposite to each other, carries out the long clip wheel of movable clamping and short clip wheel to the rail head of rail;
Be positioned at the rear portion of described long clip wheel and short clip wheel, and positioned opposite to each other along the length direction of described guide holder, remain the rail head roller rail head of described rail being fixed to clamping;
Be arranged on the top between described long clip wheel and short clip wheel, remain that the rail level to described rail applies the tread pinch roller of downward pressure.
Preferably, described positioning component also comprises horizontal tune oil cylinder and connecting rod, the fixed end of described horizontal tune oil cylinder is connected with the side of described guide holder, the movable end of described horizontal tune oil cylinder is connected with described slide block, between two slide blocks of bottom, described guide holder two ends, be fixed connection by described connecting rod, the assembly of two described slide blocks can carry out transverse shifting along the length direction of described guide holder under the promotion of described horizontal tune oil cylinder.
Preferably, described vertical oil cylinder one end connects described suspension bracket composition or vehicle body bottom frame, the other end connects described guide holder, and described suspension bracket composition is provided with the location-plate stretched vertically, and described guide holder can carry out catenary motion along described location-plate under the promotion of described vertical oil cylinder.
Preferably, described location-plate is provided with chute, described guide holder is provided with guide rail, described guide holder carries out catenary motion along the chute of described location-plate by described guide rail under the promotion of described vertical oil cylinder.
Preferably, described location-plate adopts guide pillar structure, and described guide holder is provided with guide pin bushing, and described guide holder carries out catenary motion along described location-plate by guide pin bushing under the promotion of described vertical oil cylinder.
Preferably, described rail draw off gear also comprises carry oil cylinder, holder and hook, and described holder is arranged on the suspension bracket being positioned at described location-plate top and forms.The fixed end of described carry oil cylinder is arranged on described guide holder, described hook comprises first end, the second end and the 3rd end, the first end of described hook is connected with the movable end of described year oil cylinder, the second end of described hook is connected with described location-plate, the 3rd end of described hook described rail draw off gear be in hang fortune state time by the fixing hole carry on described holder on described holder.When described rail draw off gear is in running order, unclamp the connection between the 3rd end of described hook and described holder, described guide holder can carry out catenary motion along described location-plate under the promotion of described vertical oil cylinder.
Preferably, described slide block comprises the bottom being arranged on described guide holder, stretches, the three blocks of longitudinal plates be arranged side by side under longitudinal along described guide holder.The bottom of described guide holder is provided with T-shaped guide rail, and the top of described slide block is provided with T-shaped chute, and described slide block carries out transverse shifting by T-shaped chute along the T-shaped guide rail of described guide holder.
Preferably, described long clip wheel, tread pinch roller and short clip wheel are arranged between longitudinal plate of two pieces of L shapes, one end of described long clip wheel by bearing pin and described slide block hinged, the other end of described long clip wheel is connected with the movable end of described folder cylinder of rail two.One end of described short clip wheel by described bearing pin and described slide block hinged, the other end of described short clip wheel is connected with the movable end of described folder cylinder of rail one.Described rail head roller is arranged between longitudinal plate of two pieces of L shapes at described long clip wheel and short clip wheel rear portion.
Preferably, when described two groups of clamping rail assemblies clamp described rail, the distance between two groups of described tread pinch roller centers remains that the fixed width between two rail is consistent.Described rail head roller is cylindrical roller, and the relative position between four rail head rollers is fixed, and two the rail head rollers being positioned at same described slide block remain and clamp the rail head of described rail.
Preferably, when described rail draw off gear passes through the connecting cleat between described rail, described folder cylinder of rail one extends, and described folder cylinder of rail two shortens, space between described long clip wheel and short clip wheel increases, and makes described rail draw off gear smoothly by described connecting cleat.Now, described rail head roller still clamps the rail head of described rail, keeps the position of described rail.When described rail draw off gear is by after connecting cleat, described long clip wheel and short clip wheel reset respectively under the effect of described folder cylinder of rail one, folder cylinder of rail two, and keep clamping the rail head of described rail.
By implementing the rail draw off gear that the invention described above provides, there is following beneficial effect:
(1) the rail head roller in the present invention, movable clip wheel (long clip wheel, short clip wheel) and tread pinch roller are all built in the inside of slide block, compact conformation, reduce rail because to upwarp or sagging and depart from the possibility of rail clamping device;
(2) the present invention passes through the position of the form control rail of movable clip wheel (long clip wheel, short clip wheel) and the combination of rail head roller, add the length of clip wheel, and then add the effective range of clamping rail, when can prevent the connecting cleat by rail, rail depart from clamping device, and remain rail enter rail support groove before gauge.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.Apparently, the accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other embodiment according to these accompanying drawings.
Fig. 1 is the structural representation front view of the rail clamping device that prior art rail relayer uses;
Fig. 2 is the structural representation lateral view of the rail clamping device that prior art rail relayer uses;
Fig. 3 is the rail clamping process schematic diagram one of the rail clamping device that prior art rail relayer uses;
Fig. 4 is the rail clamping process schematic diagram two of the rail clamping device that prior art rail relayer uses;
Fig. 5 is the rail clamping cross-sectional view of the rail clamping device that prior art rail relayer uses;
Fig. 6 is the structure composition schematic diagram of a kind of detailed description of the invention of rail draw off gear of the present invention;
Fig. 7 is the part section structural representation of a kind of detailed description of the invention rail of rail draw off gear of the present invention clamp assemblies;
Fig. 8 is the part section structural representation of a kind of detailed description of the invention positioning component of rail draw off gear of the present invention;
Fig. 9 is the front perspective view of a kind of detailed description of the invention of rail draw off gear of the present invention;
Figure 10 is the back side perspective view of a kind of detailed description of the invention of rail draw off gear of the present invention;
Figure 11 is the front assembly structure schematic diagram of a kind of detailed description of the invention of rail draw off gear of the present invention;
Figure 12 is the back side assembly structure schematic diagram of a kind of detailed description of the invention of rail draw off gear of the present invention;
Figure 13 is the front assembly structure schematic diagram of a kind of detailed description of the invention rail of rail draw off gear of the present invention clamp assemblies;
Figure 14 is the back side assembly structure schematic diagram of a kind of detailed description of the invention rail of rail draw off gear of the present invention clamp assemblies;
Figure 15 is the front side mounting structure schematic diagram of a kind of detailed description of the invention of rail draw off gear of the present invention;
Figure 16 is the back side mounting structure schematic diagram of a kind of detailed description of the invention of rail draw off gear of the present invention;
Figure 17 is the part section structural representation of a kind of detailed description of the invention of rail draw off gear of the present invention;
Figure 18 is the structural representation under utilizing rail draw off gear of the present invention to be in movable clip wheel clamp position;
Figure 19 is the structural representation under utilizing rail draw off gear of the present invention to be in movable clip wheel open mode;
Figure 20 is the perspective view of rail clamp assemblies under movable clip wheel clamp position in a kind of detailed description of the invention of rail draw off gear of the present invention;
Figure 21 is the internal construction schematic diagram of rail clamp assemblies under movable clip wheel clamp position in a kind of detailed description of the invention of rail draw off gear of the present invention;
Figure 22 is the perspective view of rail clamp assemblies under movable clip wheel open mode in a kind of detailed description of the invention of rail draw off gear of the present invention;
Figure 23 is the internal construction schematic diagram of rail clamp assemblies under movable clip wheel open mode in a kind of detailed description of the invention of rail draw off gear of the present invention;
In figure: 1-suspension bracket forms, the vertical oil cylinder of 2-, 3-guide holder, 4-slide block, the long clip wheel of 5-, 6-tread pinch roller, the short clip wheel of 7-, 8-presss from both sides cylinder of rail one, 9-and presss from both sides cylinder of rail two, the horizontal tune oil cylinder of 10-, 11-connecting rod, 12-rail head roller, 13-location-plate, 14-bearing pin, the longitudinal plate of 15-, 16-carry oil cylinder, 17-rail, 18-connecting cleat, 19-T shape guide rail, 20-T shape chute, 21-holder, 22-guide rail, 23-chute, 24-cover plate, 25-links up with.
Detailed description of the invention
For the purpose of quoting and know, by the technical term hereinafter used, write a Chinese character in simplified form or abridge and be described below:
Longitudinally: along vehicle direct of travel;
Laterally: in-orbit in plane, with longitudinally vertical direction;
Vertical: with the direction of the rail plane orthogonal of rail.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, clear, complete description is carried out to the technical scheme in the embodiment of the present invention.Obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in accompanying drawing 6 to accompanying drawing 23, give the specific embodiment of rail draw off gear of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
As accompanying drawing 6,7,8, shown in 9 and 10, a kind of specific embodiment of rail draw off gear, rail clamping device be arranged on railway switch tracks vehicle vehicle body bottom frame under, to comprise: positioning component, and the rail clamp assemblies be fixed thereon.Positioning component comprises the guide holder 3 that bottom is provided with the strip of guide rail along its length further, the suspension bracket composition 1 stretched under vehicle body bottom frame is vertical, and two perpendicular to length over ends of body direction and from vehicle body bottom frame vertically under the telescopic vertical oil cylinder 2 stretched, guide holder 3 can carry out catenary motion under the promotion of vertical oil cylinder 2.Guide holder 3 is by the body structure of upper cover plate, lower cover, web and gusset assembly welding.Rail clamp assemblies comprises the slide block 4 being arranged at bottom, guide holder 3 two ends in couples further, and slide block 4 can carry out transverse shifting along the length direction of guide holder 3.The inside of slide block 4 is provided with further:
Length direction along guide holder 3 is positioned opposite to each other, the rail head of rail 17 is carried out to long clip wheel 5 and the short clip wheel 7 of movable clamping;
Be positioned at the rear portion of long clip wheel 5 and short clip wheel 7, and positioned opposite to each other along the length direction of guide holder 3, and remain the rail head roller 12 rail head of rail 17 being fixed to clamping, flange of rail roller adopts roller;
Be arranged on the top between long clip wheel 5 and short clip wheel 7, remain that the rail level to rail 17 applies the tread pinch roller 6 of downward pressure.
The rail draw off gear that the invention described above specific embodiment describes is applied to railway and switches tracks operation, tread pinch roller 6, movable clip wheel and rail head roller 12 are built in slide block 4, and pass through the position of the form control rail 17 of movable clip wheel (long clip wheel 5 and short clip wheel 7) and rail head roller 12 combination, clamping, mobile rail can be needed according to what switch tracks, and effectively control the active force of rail, make it successfully to enter rail support groove, be applicable to railway and switch tracks the needs of operation.
As shown in Figure 6, positioning component also comprises horizontal tune oil cylinder 10 and connecting rod 11 further, the fixed end of horizontal tune oil cylinder 10 is connected with the side of guide holder 3, the movable end of horizontal tune oil cylinder 10 is connected with slide block 4, between two slide blocks 4 of bottom, guide holder 3 two ends, be fixed connection by connecting rod 11, the assembly of two slide blocks 4 can carry out transverse shifting along the length direction of guide holder 3 under the promotion of horizontal tune oil cylinder 10.The bottom of guide holder 3 is provided with two groups of rollers symmetrically, often organizes roller and is made up of two rail head rollers 12 and a tread pinch roller 6, be provided with sliding bearing in roller.The center to center distance of two groups of tread pinch rollers 6 remains 1505mm, and the fixed width namely and between two rail 17 is consistent.When rail relayer carries out switching tracks operation on curve, horizontal tune oil cylinder 10 controls slide block 4 according to the side-play amount detected between rail clamp assemblies and rail 17 and slides along guide holder 3 with the change of this side-play amount.
As shown in figs 15 and 16, vertical oil cylinder 2 one end connects suspension bracket composition 1 or vehicle body bottom frame, the other end connects guide holder 3, and suspension bracket composition 1 is provided with the location-plate 13 stretched vertically, guide holder 3 can carry out catenary motion along location-plate 13 under the promotion of vertical oil cylinder 2.As a kind of typical specific embodiment of the present invention, between location-plate 13 and guide holder 3, adopt the movable connected mode of chute-guide rail structure.Location-plate 13 is provided with chute 23, guide holder 3 is provided with guide rail 22, guide holder 3 carries out catenary motion by the chute 23 of guide rail 22 along location-plate 13 under the promotion of vertical oil cylinder 2.As the another kind of typical specific embodiment of the present invention, between location-plate 13 and guide holder 3, adopt the movable connected mode of guide pillar-guide sleeve structure.Location-plate 13 adopts guide pillar structure, and guide holder 3 is provided with guide pin bushing, and guide holder 3 carries out catenary motion along location-plate 13 by guide pin bushing under the promotion of vertical oil cylinder 2, and guide holder 3 vertical position is in space controlled by vertical oil cylinder 2.
As shown in Figure 8, guide holder 3 is provided with Pneumatic locking mechanism.When rail draw off gear is in non-job state, this device relies on deadweight to hang on vehicle body bottom frame by this mechanism.This Pneumatic locking mechanism comprises carry oil cylinder 16, holder 21 and hook 25 further, and holder 21 is arranged on the suspension bracket being positioned at location-plate 13 top and forms on 1.The fixed end of carry oil cylinder 16 is arranged on guide holder 3, hook 25 comprises first end, the second end and the 3rd end, the first end of hook 25 is connected with the movable end carrying oil cylinder 16, hook 25 the second end be connected with location-plate 13, hook 25 the 3rd end rail draw off gear be in extension fortune state time by the fixing hole carry on holder 21 on holder 21.When rail draw off gear is in running order, unclamp the connection between the 3rd end of hook 25 and holder 21, guide holder 3 can carry out catenary motion along location-plate 13 under the promotion of vertical oil cylinder 2.
As shown figs. 11 and 12, slide block 4 comprises the bottom being arranged on guide holder 3 further, stretches, be provided with reinforcement dividing plate in longitudinal plate 15 of three pieces that are arranged side by side longitudinal plate 15, L shapes under longitudinal along guide holder 3.The bottom of guide holder 3 is provided with T-shaped guide rail 19, and the cover plate 24 at slide block 4 top is provided with T-shaped chute 20, and slide block 4 carries out transverse shifting by T-shaped chute 20 along the T-shaped guide rail 19 of guide holder 3.The side of guide holder 3 is fixed in the motion of slide block 4 by fixed end, movable end and the joining telescopic horizontal tune oil cylinder 10 of slide block 4 control, and are connected between two slide blocks 4 by connecting rod 11.During two groups of rail clamp assemblies clamping rail, the gauge of rail 17 is 1505mm.
As accompanying drawing 13,14,20,21, shown in 22 and 23, long clip wheel 5, tread pinch roller 6 and short clip wheel 7 are arranged between longitudinal plate 15 of two pieces of L shapes further.Be provided with folder cylinder of rail between each movable clip wheel and slide block 4, the Stress control of folder cylinder of rail is in certain scope, and folder cylinder of rail energy control activity clip wheel swings.One end of long clip wheel 5 is hinged by bearing pin 14 and slide block 4, and the other end of long clip wheel 5 is connected with the movable end of folder cylinder of rail 29.One end of short clip wheel 7 is hinged by bearing pin 14 and slide block 4, and the other end of short clip wheel 7 is connected with the movable end of folder cylinder of rail 1.Rail head roller 12 is arranged between longitudinal plate 15 of two pieces of L shapes at long clip wheel 5 and short clip wheel 7 rear portion.The difference of rail draw off gear to rail 17 method of clamping that the specific embodiment of the invention describes is: the present invention carries out weave control by long clip wheel 5 with short clip wheel 7, two slide blocks 4 are slided under the effect of single horizontal oil cylinder 10 together by connecting rod 11, and the center of two groups of slide blocks 4 is changeless.The mode clamped rail 17 due to the present invention is different, and the slide block 4 in the present invention is when passing through the connecting cleat 18 between rail 17, and long clip wheel 5 and short clip wheel 7 can temporarily be backed down.Now, the rail head roller 12 fixed by position controls the rail head of rail 17, smoothly by connecting cleat 18, latter two live splint wheel get back to original position.When carrying out switching tracks operation, tread pinch roller 6, under the effect of vertical oil cylinder 10, applies a downward pressure to the tread of rail 17 all the time.Rail head roller 12, under the effect of folder cylinder of rail, clamps the rail head of rail 17 all the time.When there being connecting cleat 18 by roller, connecting cleat 18 can strut movable clip wheel, after passing through connecting cleat 18, and the rail head of movable clip wheel clamping rail 17.
As shown in accompanying drawing 17,18 and 19, when two groups of clamping rail assemblies clamp rail 17, the distance between two groups of tread pinch roller 6 centers remains that the fixed width between two rail 17 is consistent.Rail head roller 12 and tread pinch roller 6 are cylindrical roller, and the relative position between four rail head rollers 12 is fixed, and two the rail head rollers 12 being positioned at same slide block 4 remain and clamp the rail head of rail 17.As shown in Figure 19, when rail draw off gear passes through the connecting cleat 18 between rail 17, folder cylinder of rail 1 extends, and folder cylinder of rail 29 shortens, and the space increase between long clip wheel 5 and short clip wheel 7, makes rail draw off gear smoothly by connecting cleat 18.Now, the rail head roller 12 being positioned at long clip wheel 5 and short clip wheel 7 rear portion still clamps the rail head of rail 17, keeps the position of rail 17.As shown in Figure 18, when rail draw off gear is by after connecting cleat 18, long clip wheel 5 and short clip wheel 7 reset respectively under the effect of folder cylinder of rail 1, folder cylinder of rail 29, and keep clamping the rail head of rail 17.In a particular embodiment of the present invention, due to the long enough that long clip wheel 5 and short clip wheel 7 can do, therefore not by the gauge of rail 17 better can be controlled during connecting cleat 18, and when by can automatically strutting during connecting cleat 18, thus connecting cleat 18 is avoided.Tread pinch roller 6 is between longitudinal plate 15 of two pieces of L shapes of slide block 4, and in the vertical, with long clip wheel 5, short clip wheel 7, and distance between rail head roller 12 is very short, therefore rail 17 upwarp or the sagging rail 17 that all can not make departs from from rail clamping device.The rail draw off gear that the specific embodiment of the invention describes finally is placed in rail support groove for new rail and enters trailing bogie use, functionally can control within the scope of the gauge of 1435mm (rail inner side edge distance) by disposable for new rail, and can under the effect of pressure on top surface in-orbit, rail 17 be controlled at certain height, thus avoid the bolt of rail support groove, prevent the interference that rail and bolt occur on performance curve., automatically can adjust the distance between rail clamp assemblies and rail 17 meanwhile, make rail 17 successfully enter rail support groove.
By implementing the rail draw off gear that the specific embodiment of the invention describes, following technique effect can be reached:
(1) rail head roller, movable clip wheel (long clip wheel, short clip wheel) and tread pinch roller in the rail draw off gear that describes of the specific embodiment of the invention are all built in the inside of slide block, compact conformation, reduces rail because to upwarp or sagging and depart from the possibility of rail clamping device;
(2) position of the form control rail that the rail draw off gear that the specific embodiment of the invention describes is combined by movable clip wheel (long clip wheel, short clip wheel) and rail head roller, add the length of clip wheel, and then add the effective range of clamping rail, when can prevent the connecting cleat by rail, rail depart from clamping device, and remain rail enter rail support groove before gauge.
In this manual, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention.Any those of ordinary skill in the art, when not departing from Spirit Essence of the present invention and technical scheme, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent replacement, equivalence change and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (10)
1. a rail draw off gear, comprise: positioning component, and the rail clamp assemblies be fixed thereon, it is characterized in that, described positioning component comprises the guide holder (3) that bottom is provided with the strip of guide rail along its length further, suspension bracket composition (1) stretched under vehicle body bottom frame is vertical, and two perpendicular to length over ends of body direction and from vehicle body bottom frame vertically under the telescopic vertical oil cylinder (2) stretched, described guide holder (3) can carry out catenary motion under the promotion of described vertical oil cylinder (2); Described rail clamp assemblies comprises the slide block (4) being arranged at described guide holder (3) bottom, two ends in couples further, and described slide block (4) can carry out transverse shifting along the length direction of described guide holder (3); The inside of described slide block (4) is provided with further:
Length direction along described guide holder (3) is positioned opposite to each other, the rail head of rail (17) is carried out to long clip wheel (5) and the short clip wheel (7) of movable clamping;
Be positioned at the rear portion of described long clip wheel (5) and short clip wheel (7), and positioned opposite to each other along the length direction of described guide holder (3), remain the rail head roller (12) rail head of described rail (17) being fixed to clamping;
Be arranged on the top between described long clip wheel (5) and short clip wheel (7), remain that the rail level to described rail (17) applies the tread pinch roller (6) of downward pressure.
2. rail draw off gear according to claim 1, it is characterized in that: described positioning component also comprises horizontal tune oil cylinder (10) and connecting rod (11), the fixed end of described horizontal tune oil cylinder (10) is connected with the side of described guide holder (3), the movable end of described horizontal tune oil cylinder (10) is connected with described slide block (4), connection is fixed by described connecting rod (11) between two slide blocks (4) being positioned at described guide holder (3) bottom, two ends, the assembly of two described slide blocks (4) can carry out transverse shifting along the length direction of described guide holder (3) under the promotion of described horizontal tune oil cylinder (10).
3. rail draw off gear according to claim 1 and 2, it is characterized in that: described vertical oil cylinder (2) one end connects described suspension bracket composition (1) or vehicle body bottom frame, the other end connects described guide holder (3), described suspension bracket composition (1) is provided with the location-plate (13) stretched vertically, described guide holder (3) can carry out catenary motion along described location-plate (13) under the promotion of described vertical oil cylinder (2).
4. rail draw off gear according to claim 3, it is characterized in that: described location-plate (13) is provided with chute (23), described guide holder (3) is provided with guide rail (22), described guide holder (3) carries out catenary motion along the chute (23) of described location-plate (13) by described guide rail (22) under the promotion of described vertical oil cylinder (2).
5. rail draw off gear according to claim 3, it is characterized in that: described location-plate (13) adopts guide pillar structure, (3) are provided with guide pin bushing to described guide holder, and described guide holder (3) carries out catenary motion along described location-plate (13) by guide pin bushing under the promotion of described vertical oil cylinder (2).
6. the rail draw off gear according to claim 4 or 5, it is characterized in that: described rail draw off gear also comprises carry oil cylinder (16), holder (21) and hook (25), described holder (21) is arranged on the suspension bracket being positioned at described location-plate (13) top and forms on (1); The fixed end of described carry oil cylinder (16) is arranged on described guide holder (3), described hook (25) comprises first end, the second end and the 3rd end, the first end of described hook (25) with described year oil cylinder (16) movable end be connected, the second end of described hook (25) is connected with described location-plate (13), the 3rd end of described hook (25) described rail draw off gear be in hang fortune state time by the fixing hole carry on described holder (21) on described holder (21); When described rail draw off gear is in running order, unclamp the connection between the 3rd end of described hook (25) and described holder (21), described guide holder (3) can carry out catenary motion along described location-plate (13) under the promotion of described vertical oil cylinder (2).
7. the rail draw off gear according to any one of claim 1,2,4,5, it is characterized in that: described slide block (4) comprises the bottom being arranged on described guide holder (3), stretch under longitudinal along described guide holder (3), the three pieces of longitudinal plates (15) be arranged side by side; The bottom of described guide holder (3) is provided with T-shaped guide rail (19), the top of described slide block (4) is provided with T-shaped chute (20), and described slide block (4) carries out transverse shifting by T-shaped chute (20) along the T-shaped guide rail (19) of described guide holder (3).
8. rail draw off gear according to claim 7, it is characterized in that: described long clip wheel (5), tread pinch roller (6) and short clip wheel (7) are arranged between longitudinal plate (15) of two pieces of L shapes, one end of described long clip wheel (5) is hinged by bearing pin (14) and described slide block (4), and the other end of described long clip wheel (5) is connected with the movable end of described folder cylinder of rail two (9); One end of described short clip wheel (7) is hinged by described bearing pin (14) and described slide block (4), and the other end of described short clip wheel (7) is connected with the movable end of described folder cylinder of rail one (8); Described rail head roller (12) is arranged between longitudinal plate (15) of two pieces of L shapes at described long clip wheel (5) and short clip wheel (7) rear portion.
9. rail draw off gear according to claim 8, it is characterized in that: when described two groups of clamping rail assemblies clamp described rail (17), the distance between two groups of described tread pinch roller (6) centers remains that the fixed width between two rail (17) is consistent; Described rail head roller (12) is cylindrical roller, relative position between four rail head rollers (12) is fixed, and two the rail head rollers (12) being positioned at same described slide block (4) remain and clamp the rail head of described rail (17).
10. rail draw off gear according to claim 8 or claim 9, it is characterized in that: when described rail draw off gear passes through connecting cleat (18) between described rail (17), described folder cylinder of rail one (8) extends, and described folder cylinder of rail two (9) shortens, space between described long clip wheel (5) and short clip wheel (7) increases, make described rail draw off gear smoothly by described connecting cleat (18), now described rail head roller (12) still clamps the rail head of described rail (17), keep the position of described rail (17), when described rail draw off gear is by after connecting cleat (18), described long clip wheel (5) and short clip wheel (7) reset respectively under the effect of described folder cylinder of rail one (8), folder cylinder of rail two (9), and keep clamping the rail head of described rail (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510020228.1A CN104562874B (en) | 2015-01-15 | 2015-01-15 | Rail draw off gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510020228.1A CN104562874B (en) | 2015-01-15 | 2015-01-15 | Rail draw off gear |
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| CN104562874A true CN104562874A (en) | 2015-04-29 |
| CN104562874B CN104562874B (en) | 2016-08-17 |
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| CN201510020228.1A Active CN104562874B (en) | 2015-01-15 | 2015-01-15 | Rail draw off gear |
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| CN108468257A (en) * | 2018-04-09 | 2018-08-31 | 浙江鑫湖医疗科技有限公司 | Device for regulating rail and orbit adjusting method |
| CN112681036A (en) * | 2020-12-15 | 2021-04-20 | 张海龙 | Track laying device and method for track traffic engineering construction |
| CN112853830A (en) * | 2021-01-04 | 2021-05-28 | 株洲旭阳机电科技开发有限公司 | Automatic two-way locking mechanism of rail |
| CN112850128A (en) * | 2021-01-04 | 2021-05-28 | 中铁四局集团有限公司 | Automatic sorting and pushing device and method for steel rails |
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| CN112850128A (en) * | 2021-01-04 | 2021-05-28 | 中铁四局集团有限公司 | Automatic sorting and pushing device and method for steel rails |
| CN112853830B (en) * | 2021-01-04 | 2022-06-21 | 株洲旭阳机电科技开发有限公司 | Automatic two-way locking mechanism of rail |
| CN112850128B (en) * | 2021-01-04 | 2022-09-06 | 中铁四局集团有限公司 | Automatic sorting and pushing device and method for steel rails |
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