The coalignment that is used for steel rail laying site
Technical field
The utility model relates to a kind of coalignment; Specifically, the utility model relates to a kind of coalignment that is used for steel rail laying site.
Background technology
The rail glacing flatness is decision rail service life and the important parameter that influences locomotive running speed.Present existing alignment technology mainly is divided into compound alignment technology, stretching alignment technology and Pressure Straightening Technology.Domestic generally use two have drawbacks such as straightening low precision, straightening quality instability, efficient are low to the rail straightener, restricted railway speed increase to a great extent; And introduce external cost costlinesses such as four-way rail straightener.But at the utility model, it also has another shortcoming, and promptly above-mentioned technology can not be used for carrying out alignment work at steel rail laying site.
Especially in recent years, along with the propelling of speed-raising strategy, the speed-raising of China railways existing line and Line for Passenger Transportation newly-built proposed new demand to the scene welding back alignment of welded long rail.Train running speed is not high before the speed-raising, the glacing flatness at steel rail welding line place is required relative not high yet, adopts portable or other apparatus of constructing easily just can satisfy construction requirement, needn't carry out last alignment at steel rail laying site yet.But, behind the railway speed increase and the circuit of Line for Passenger Transportation lay a railway track (steel rail laying) glacing flatness of welding the commissure, back is required to be greatly improved, the apparatus of in the past constructing easily carries out operation to be handled and is difficult to reach the glacing flatness requirement.In addition, laying a railway track on-the-spot also needs to carry out last alignment work in the open air the time, but reality goes up weld seam at a distance of far away again, and construction lacks work pattern and the complexes that match with it.
This shows, need a kind of suitable mechanical device of exploitation badly and carry out the alignment work of open-air steel rail laying site.
The utility model content
In order to realize above-mentioned technical purpose, the utility model proposes the technical scheme of following two aspects.
First aspect of the present utility model provides a kind of coalignment that is used for steel rail laying site, and wherein, described coalignment comprises: main body; The machinery handgrip, described mechanical handgrip is installed on the described main body, is used for releasably securing the above rail; And pressure cylinder, described pressure cylinder is installed on the described main body, the sum of described pressure cylinder and described mechanical handgrip is at least three and alternately arrange that described pressure cylinder and described mechanical handgrip are installed in described main body the same side, make the piston of described pressure cylinder vertically push described rail.By the coalignment of this set, can improve the glacing flatness of the glacing flatness of rail, especially commissure greatly, and be convenient to operate at the scene of laying a railway track.
Alternatively, in aforesaid coalignment, the number of described mechanical handgrip is two, and the number of described pressure cylinder is one.By the coalignment of this set, make it possible to realize effectively alignment to epirelief type rail.
Alternatively, in aforesaid coalignment, the number of described pressure cylinder is two, and the number of described mechanical handgrip is one.By the coalignment of this set, make it possible to realize effectively alignment to recessed type rail.
Alternatively, in aforesaid coalignment, described main body is the beam type framework.By the coalignment of this set, make described main body rigidity of structure height and quality is slim and graceful relatively.
Alternatively, in aforesaid coalignment, described mechanical handgrip can be along approaching and mobile on described main body away from the direction of described pressure cylinder.By the coalignment of this set, make and carry out effective alignment operation according to the actual conditions of rail bending in the described position that can adjust mechanical handgrip.
Alternatively, in aforesaid coalignment, described mechanical handgrip is installed on the described main body by swivel nut-feed screw apparatus.By the coalignment of this set, make mechanical handgrip can realize motion effectively with respect to the pressure cylinder direction.
Alternatively, in aforesaid coalignment, described mechanical handgrip is made up of the parts of two same structures, and described parts have rail clamping part and connecting portion, and described connecting portion forms one and is used to be connected two described parts with described rail clamping part.By the coalignment of this set, formulated out novel mechanical handgrip, can be effectively fixing rail.
Alternatively, in aforesaid coalignment, described pressure cylinder is an oil hydraulic cylinder.By the coalignment of setting like this, the use oil hydraulic cylinder can be realized stablizing, effectively power output.
Alternatively, in aforesaid coalignment, described pressure cylinder is the pressure cylinder of 100 to 300 tons of power.By the coalignment of setting like this, can realize effective alignment effect.
Alternatively, in aforesaid coalignment, described pressure cylinder is the pressure cylinder of about 200 tons of power.By the coalignment of setting like this, can realize effective alignment effect.
Can also understand a kind of method of using a described coalignment in the aforementioned claim described rail to be carried out alignment at steel rail laying site by the utility model, wherein, described method comprises the steps: to make described mechanical handgrip to secure the above rail; Thereby make described piston vertically push described rail described rail is carried out alignment; The position of unclamping described mechanical handgrip and moving described coalignment; Repeat first three steps, until the alignment end-of-job.By the aligning method of this design, can improve the glacing flatness of the glacing flatness of rail, especially commissure greatly, and be convenient to operate at the scene of laying a railway track.
Description of drawings
With reference to accompanying drawing, disclosure of the present utility model will be more obvious.Should understand, these accompanying drawings only are used for illustrative purposes, and are not intended to limit scope of the present utility model; The drafting of accompanying drawing neither be in proportion, among the figure:
Fig. 1 schematically shows the stereogram of an embodiment that is used for the coalignment of steel rail laying site according to the utility model;
Fig. 2 schematically shows another stereogram of above-mentioned embodiment that is used for the coalignment of steel rail laying site according to the utility model;
Fig. 3 schematically shows the side plan view of above-mentioned embodiment that is used for the coalignment of steel rail laying site according to the utility model; And
Fig. 4 schematically shows the stereogram of mechanical handgrip of above-mentioned embodiment that is used for the coalignment of steel rail laying site according to the utility model.
The specific embodiment
Explain the specific embodiment of the present utility model with reference to the accompanying drawings.Identical Reference numeral is used for the identical technical characterictic of mark in the accompanying drawing.Following explanation only is an illustrative, exemplary.In addition, though be illustrated according to the specific embodiment of the present utility model at this, should understand, some of these specific embodiment are equal to or similar modification also will fall within the protection domain of the present utility model with remodeling.
Fig. 1 schematically shows the stereogram of an embodiment that is used for the coalignment of steel rail laying site according to the utility model.As shown in FIG., the coalignment that is used for steel rail laying site 10 of this embodiment comprises main body 11, mechanical handgrip 13 and pressure cylinder 12.Machinery handgrip 13 is installed on the main body 11, is used for releasably fixing rail 20 (see figure 3)s.Pressure cylinder 12 is installed on the main body 11.The sum of pressure cylinder 12 and mechanical handgrip 13 is at least three and alternately arrange that pressure cylinder 12 is installed in main body 11 the same sides with mechanical handgrip 13, makes the piston of pressure cylinder 12 vertically push rail 20.By the coalignment of this set, can improve the glacing flatness of the glacing flatness of rail, especially commissure greatly, and be convenient to operate at the scene of laying a railway track.
The those skilled in the art can understand by above qualification, and mechanical handgrip 13 is not restricted at the installation form of main body 11, and for example under feasible prerequisite, its installation form can be that any installation forms such as installation or pin joint are installed, engaged to bolt.Pressure cylinder 12 also is like this at the installation form of main body 11." alternately arrange " referred to herein as the layout at one at mechanical handgrip 13 and 12 1 intervals of pressure cylinder or in twos the compartment of terrain arrange or at interval several ground arrange, for example, between two pressure cylinders 12, can be furnished with one or several mechanical handgrips 13; Between two mechanical handgrips 13, also can be furnished with one or several pressure cylinders 12.Like this, make pushing effect by mechanical handgrip 13, can stablize the alignment that realizes rail effectively and can not bring new curve form the fixation cooperation pressure cylinder 13 of rail 20.
In the specific embodiment shown in Fig. 1, also have some optional technical characterictics.For example, as shown in FIG., the number of mechanical handgrip 13 is set to two in this specific embodiment, and the number of pressure cylinder 12 then is set to one.Can understand, owing to only have two mechanical handgrips 13 and a pressure cylinder 12 on the whole coalignment, and alternately arrange owing to defining mechanical handgrip and pressure cylinder, so its arrangement is the both sides that two mechanical handgrips 13 are separately positioned on pressure cylinder 12.During the rail section of actual alignment epirelief, two mechanical handgrips 13 are for example fixed rail 20 in the mode of clamping, thereby have located two points on the rail 20; Then, the piston of pressure cylinder 12 along the bossing that pushes rail 20 perpendicular to the direction of rail 20, is realized the alignment of rail effectively between two mechanical handgrips 13.As seen, by the coalignment of this set, make it possible to realize effectively alignment to epirelief type rail.
In the embodiment that another kind substitutes, number that can pressure cylinder 12 is set to two, and the number side of mechanical handgrip 13 is set to one.Can understand, owing to only have two pressure cylinders 12 and a mechanical handgrip 13 on the whole coalignment, and replace layout with pressure cylinder 12 owing to define mechanical handgrip 13, so its layout is the both sides that two pressure cylinders 12 are separately positioned on mechanical handgrip 13.During the recessed rail section of actual alignment, mechanical handgrip 13 is for example fixed rail 20 in the mode of clamping, thereby has located a point on the rail 20; Then, the piston of two pressure cylinders 12 along the bossing (recessed portions of mechanical handgrip 13 clamping rail 20) perpendicular to the direction pushing rail 20 of rail 20, is realized the alignment of rail in the both sides of a mechanical handgrip 13 effectively.As seen, by the coalignment of this set, make it possible to realize effectively alignment to recessed type rail.
In the specific embodiment as shown in fig. 1, main body 11 is set to the form of beam type framework, for example can be the beam of being made by the shelf structure that spreads out, and can be that all-in-one-piece is set and constitute each parts of framework, also can fix by bolt and nut, perhaps form such as clamping is fixed.Can understand, by the coalignment of this set, make described main body rigidity of structure height and quality is slim and graceful relatively.
For make that the alignment work of rail carries out more effectively and can adapt to various situation, in the embodiment that another kind substitutes, mechanical handgrip 13 can along near and move on main body 11 away from the direction of pressure cylinder 12.Like this, under the differently curved degree situation of the rail of required adjustment, can in the hope of adjusting the distance between mechanical handgrip 13 and the pressure cylinder 12, adjust the precision of alignment along the longitudinal direction mechanically moving handgrip of rail.By the coalignment of this set, make and carry out effective alignment operation according to the actual conditions of rail bending in the described position that can adjust mechanical handgrip.A kind of concrete example that realizes this set is that mechanical handgrip 13 is installed on the main body 11 by swivel nut-leading screw 15 devices, makes mechanical handgrip can realize the motion with respect to the pressure cylinder direction effectively.
Pressure cylinder 12 can be set to oil hydraulic cylinder.Can understand, the use oil hydraulic cylinder can be realized stablizing, effectively power output.Pressure cylinder 12 (for example oil hydraulic cylinder) can be the pressure cylinder of 100 to 300 tons of power; Preferably pressure cylinder 12 can be the pressure cylinder of about 200 tons of power.By the coalignment of setting like this, can realize effective alignment effect.
Fig. 2 schematically shows another stereogram of above-mentioned embodiment that is used for the coalignment of steel rail laying site according to the utility model, has demonstrated another angle of this embodiment.
Fig. 3 schematically shows the side plan view of above-mentioned embodiment that is used for the coalignment of steel rail laying site according to the utility model, has demonstrated that this embodiment is provided with wheel so that move.
Fig. 4 schematically shows the stereogram of mechanical handgrip of above-mentioned embodiment that is used for the coalignment of steel rail laying site according to the utility model.At an embodiment of the coalignment that is used for steel rail laying site according to the utility model, mechanical handgrip 13 is formed (see figure 4) by the parts 131,132 of two same structures.Parts 131,132 have rail clamping part 1311,1321 and connecting portion 1312,1322.Connecting portion 1312,1322 forms one and is used to be connected two parts 131,132 with rail clamping part 1311,1321.From Fig. 4, it can also be seen that, the connecting portion 1312,1322 of the parts 131,132 of machinery handgrip 13 comprises projection and recess respectively, when these two parts 131,132 engage, the projection of one of them connecting portion fits into the recess of another connecting portion respectively, thereby realizes engaging (seeing Fig. 1 and Fig. 2).Under the situation of the two joint, insert the fit system that leading screw 15 devices such as grade have for example then formed scissors for example or clamp similar type, form final mechanical handgrip 13.Rail clamping part 1311,1321 gabarits of machinery handgrip 13 can be for can cooperating the profile of rail rail jaw, thereby fix rail effectively.By the coalignment of this set, formulated out novel mechanical handgrip, can be effectively fixing rail.
By the utility model can also understand a kind of use described in previous drawings coalignment and coalignment as described in the previous embodiment steel rail laying site to as described in the rail method of carrying out alignment.This method comprises the steps: to make mechanical handgrip 13 to fix rail 20; Thereby the piston that makes pressure cylinder 12 vertically pushes rail 20 carries out alignment to rail 20; The position of release mechanism handgrip 13 and mobile coalignment; Repeat first three steps, until the alignment end-of-job.By the aligning method of this design, can improve the glacing flatness of the glacing flatness of rail, especially commissure greatly, and be convenient to operate at the scene of laying a railway track.
At this, can also understand, in order to realize various coalignment recited above along the moving of rail, can be for being provided with wheel 16 etc. (referring to Fig. 3) between itself and ground or the rail to promote this mobile action.
As mentioned above, with reference to accompanying drawing the specific embodiment of the present utility model is had been described in detail, but should understand, the application is intended to make these details to constitute restriction to the utility model protection domain.In addition; in context at the different different technologies features that embodiment proposed; constitute new embodiment all can arbitrarily carrying out independent assortment to use under the situation of principle of the present utility model, this does not have grain husk and will fall in the definite protection domain of the utility model appending claims yet.Under situation about not deviating from according to spirit and scope of the present utility model, can be equal to or similarly change these structures, these changes will also drop in the definite protection domain of the utility model appending claims.