CN111705570A - Rail dolly of polishing - Google Patents

Rail dolly of polishing Download PDF

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Publication number
CN111705570A
CN111705570A CN202010614355.5A CN202010614355A CN111705570A CN 111705570 A CN111705570 A CN 111705570A CN 202010614355 A CN202010614355 A CN 202010614355A CN 111705570 A CN111705570 A CN 111705570A
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CN
China
Prior art keywords
grinding
polishing
rail
trolley
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010614355.5A
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Chinese (zh)
Inventor
罗旦
王�华
郭平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuzhou CRRC Times Electric Co Ltd
Original Assignee
Zhuzhou CSR Times Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhuzhou CSR Times Electric Co Ltd filed Critical Zhuzhou CSR Times Electric Co Ltd
Priority to CN202010614355.5A priority Critical patent/CN111705570A/en
Publication of CN111705570A publication Critical patent/CN111705570A/en
Pending legal-status Critical Current

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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
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02—Working rail or other metal track components on the spot
    • E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
    • E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways

Abstract

The invention discloses a rail grinding trolley, which comprises a frame, a middle beam and a grinding unit mounting frame which is arranged on the left side and the right side of the middle beam in a symmetrical structure and can be lifted independently. The traction device adopts a vertical traction structure and is arranged at the front end and the rear end along the operation direction of the polishing trolley, and the traction device is arranged at the bottom of the polishing trolley and is connected with the middle beam. The fireproof and dustproof device is installed on the frame, the polishing unit is installed on the polishing unit installation frame, and the polishing unit is arranged inside the fireproof and dustproof device. One end of the lifting device is connected to the bottom of the grinding wagon, the other end of the lifting device is connected with the frame, and the grinding wagon can be fixed to the bottom of the grinding wagon through the locking device. The invention can solve the technical problems that the traction rod of the existing steel rail grinding trolley is a diagonal traction rod, the grinding trolley can be subjected to load reduction, the grinding trolley can fall off the rail under extreme conditions, and only integral lifting can be carried out.

Description

Rail dolly of polishing
Technical Field
The invention relates to the technical field of rail engineering machinery, in particular to a polishing trolley structure as an operation executing mechanism of a steel rail polishing vehicle.
Background
In the running process of a train, the rail surface condition is continuously deteriorated and the rail head is deformed due to multiple reasons of long-term severe working environment of the steel rail, dynamic action, natural environment, quality of the steel rail and the like, so that the defects of wave abrasion, fat edge, peeling, rail surface scale and the like are generated, and the driving safety is influenced. The rail is polished to remove the unevenness on the surface of the rail and restore the rail head to the original design requirement, so that the wheel-rail relation is effectively improved, the development of the surface defects of the rail is slowed down, the surface smoothness of the rail is improved, and the service life of the rail is prolonged. The grinding trolley is an actuating mechanism for grinding operation and is a key composition structure of the steel rail grinding wagon.
In the prior art, the following technical solutions are mainly related to the present invention:
prior art 1 is the utility model patent of 12/16/2014, which is announced by 05/2015 on 13/CN 204325831U. The utility model discloses a subway steel rail car of polishing, including the car frame body, be equipped with the unit of polishing on the car frame body, the unit of polishing divide into special unit and the ordinary unit of polishing to connect through translation mechanism. The translation mechanism is provided with a spacing hydraulic cylinder, a contact hydraulic cylinder, a tensioning hydraulic cylinder and a centering hydraulic cylinder. The lower part of the frame body is provided with traveling wheels, the frame body is hung on a polishing train, and a lifting hydraulic cylinder is arranged between the frame body and the polishing train. And a locking device is arranged between the frame body and the grinding train. And a traction device is arranged between the frame body and the grinding train. The device can correct the complex wavy abrasion of the subway line steel rail and the abrasion of the wheel rail, correct the inclined deformation of the inner rail and the outer rail and the defects of the contact surface of the wheel rail and the like, is suitable for the operation of the subway line, and polishes the straight line, the curve and the turnout steel rail.
Prior art 2 is a utility model patent that is applied for 22/04/2014, announced 30/07/2014, and has a publication number of CN 203741663U. The utility model discloses a rail grinding wagon, including the car frame body, be equipped with the unit of polishing on the car frame body, the lower part of car frame body is equipped with the walking wheel, and the car frame body hangs on the train of polishing, is equipped with hydraulic cylinder between the car frame body and the train of polishing. And a locking device is arranged between the frame body and the grinding train. And a traction device is arranged between the frame body and the grinding train. The device can correct wavy abrasion of the rail, abrasion of the wheel rail, correct the inclined deformation of the inner rail and the outer rail, and repair the contact surface of the wheel rail, is suitable for large-scale road maintenance operation, and polishes linear and curved steel rails.
The grinding carriages described in the two patents are basically identical in structure, and the grinding carriages adopting the structure mainly have the following technical defects:
(1) the wheel track of the polishing trolley is fixed and can only run on a standard rail;
(2) the traction rod of the polishing trolley is a diagonal traction rod, so that the polishing trolley can be subjected to load reduction, and the polishing trolley can fall off a rail under extreme conditions;
(3) the polishing trolley can only be integrally lifted;
(4) the polishing unit of the polishing trolley does not have a transverse moving function;
(5) the grinding trolley is designed in a manner that 8 grinding heads are fixed, and the number of the grinding heads cannot be changed;
(6) the grinding trolley is heavy in structure, and the grinding unit and the grinding motor are very difficult to maintain.
Prior art 3 is a chinese invention application published in 2019 at 03/08, 2019 at 05/14 and published under CN 109750566A. The application discloses rail dolly of polishing, which comprises a vehicle rack, the unit of polishing and derailment protection device, the traction lever is all installed to the top both sides of frame, and the below of frame is fixed with walks capable wheel, the unit of polishing sets up in the inside of frame, and the top of frame installs the collection dirt passageway, derailment protection device is fixed in the left and right sides of frame, and the inside both sides of frame install hoisting device, hoisting device's below is provided with the electric jar that deflects, and the guide bar is installed to the below of the electric jar that deflects, the outside of guide bar is provided with the guide holder, and one side of guide holder is fixed with the electric jar. This rail dolly of polishing is provided with the sideslip structure of the translation of being convenient for, and the guide holder can be at the displacement on the guide bar under the drive effect of electric jar to can realize polishing the sideslip of unit, be convenient for avoid rail both sides barrier polishing, enlarge the operation range.
The grinding trolley adopting the structure mainly has the following technical defects:
(1) the wheel track of the polishing trolley is fixed and can only run on a standard rail;
(2) the traction rod of the polishing trolley is a diagonal traction rod, so that the polishing trolley can be subjected to load reduction, and the polishing trolley can fall off a rail under extreme conditions;
(3) the grinding trolley can only be integrally lifted.
Prior art 4 is the Chinese invention application published on 20/01/2020 and 12/05/2020, and published under CN 111139698A. The application discloses subway steel rail car of polishing includes: the rail grinding trolley comprises a trolley body and a rail grinding trolley hung on the lower portion of the trolley body through a lifting mechanism, wherein the rail grinding trolley comprises two grinding trolleys hinged with each other. The rail grinding trolley also comprises an elastic traction rod and a rigid traction rod, wherein one grinding trolley is connected with the trolley body through the elastic traction rod, and the other grinding trolley is connected with the trolley body through the rigid traction rod. The traction of the steel rail polishing trolley is realized through the elastic traction rod and the rigid traction rod. The application can solve the technical problems that the application occasions of the existing subway steel rail grinding wagon are limited, the running stability is poor, and the grinding quality and the effect are not good.
The grinding trolley adopting the structure mainly has the following technical defects:
(1) the wheel track of the polishing trolley is fixed and can only run on a standard rail;
(2) the traction rod of the polishing trolley is a diagonal traction rod, so that the polishing trolley can be subjected to load reduction, and the polishing trolley can fall off a rail under extreme conditions;
(3) the grinding trolley can only be integrally lifted.
Disclosure of Invention
In view of the above, the present invention provides a rail grinding wagon, so as to solve the technical problems that the traction rod of the existing rail grinding wagon is a diagonal traction rod, which can reduce the load of the rail grinding wagon, may cause the rail of the rail grinding wagon to fall in extreme situations, and only can perform overall lifting.
In order to achieve the above object, the present invention specifically provides a technical implementation scheme of a rail grinding wagon, wherein the rail grinding wagon is installed at the lower part of the rail grinding wagon, and the rail grinding wagon comprises: frame, fire prevention dust keeper, locking device, the unit of polishing, draw gear and hoisting device. The frame includes the centre sill to and adopt symmetrical structure to arrange in the centre sill is along the left and right sides of dolly operation direction of polishing, polishing unit installation frame that can independently go up and down. The traction device adopts a vertical traction structure and is arranged at the front end and the rear end along the operation direction of the polishing trolley, and the traction device is arranged at the bottom of the polishing trolley and is connected with the middle beam. The fireproof and dustproof device is installed on the frame, the polishing unit is installed on the polishing unit installation frame and arranged inside the fireproof and dustproof device. One end of the lifting device is connected to the bottom of the grinding wagon, the other end of the lifting device is connected with the frame, and the grinding trolley can be fixed to the bottom of the grinding wagon through the locking device.
Furthermore, the frame also comprises a walking wheel mounting seat, walking wheels, a wheel track adjusting guide pillar, a wheel track adjusting guide sleeve and a wheel track adjusting mechanism. The two wheel track adjusting guide columns are respectively and fixedly connected to the front end and the rear end of the middle beam along the operation direction of the polishing trolley, and wheel track adjusting guide sleeves are sleeved at the two ends of the wheel track adjusting guide columns along the length direction. One end of the wheel track adjusting mechanism is connected to the connecting seat on the middle beam, the other end of the wheel track adjusting mechanism is connected to the wheel track adjusting guide sleeve, and the walking wheels are installed below the wheel track adjusting guide sleeve through the walking wheel installation seat. The track adjusting guide sleeve is driven to transversely move on the track adjusting guide column through the extension and retraction of the track adjusting mechanism, and the walking wheel connected with the track adjusting guide sleeve is further driven to transversely move, so that the track adjustment of the walking wheel is realized.
Furthermore, the frame further comprises a polishing device lifting guide pillar and a polishing device lifting guide sleeve sleeved outside the polishing device lifting guide pillar. The upper portion of the polishing device lifting guide pillar is connected to the end portion of the polishing unit installation frame along the operation direction of the polishing trolley, and the polishing device lifting guide sleeve is fixedly connected with the wheel track adjusting guide sleeve located at the same end. The frame still includes grinding device elevating system, and two grinding device elevating system's one end is connected to the unit installation frame of polishing respectively along both ends around the dolly operation direction of polishing, and the other end is connected to and lies in the wheel track regulation guide pin bushing with one side. The polishing trolley is characterized in that paired polishing device lifting guide columns are arranged at the front end and the rear end of the polishing unit installation frame in the operation direction of the polishing trolley, and the polishing device lifting mechanisms are arranged between the two polishing device lifting guide columns. When the grinding device lifting mechanism moves in a telescopic mode, the grinding device lifting guide column is driven to move up and down relative to the grinding device lifting guide sleeve, and therefore the grinding unit mounting frame can move up and down relative to the middle beam.
Further, the frame still includes guide pin bushing connecting portion, and two guide pin bushing connecting portions set up respectively in polishing unit installation frame along polishing dolly operation direction both ends around to be connected in between two grinding device lift guide pin bushings that are located same end. The wheel track adjusting guide pillar is fixedly connected with the middle beam through a connecting seat, and paired wheel track adjusting mechanisms are arranged at the front end and the rear end of the frame in the operation direction of the polishing trolley. One end of the wheel track adjusting mechanism is connected to the connecting seat, and the other end of the wheel track adjusting mechanism is connected with the wheel track adjusting guide sleeve positioned on the same side.
Further, the sharpening unit mounting frame includes a first sharpening unit mounting frame and a second sharpening unit mounting frame. The first and second sanding unit mounting frames are independently liftable to enable the respective sanding unit mounting frames to be lifted independently when the sanding trolley encounters a unilateral obstacle during operation. The polishing device comprises a first polishing unit installation frame, a second polishing unit installation frame, a polishing unit installation seat, a polishing unit, a bolt, a polishing unit installation seat and a polishing unit, wherein the first polishing unit installation frame and the second polishing unit installation frame are welded with the polishing unit installation seats, the polishing unit is fixedly connected with the polishing unit installation seats through the bolt, and the installation quantity of the polishing unit is changed by adjusting the relative position of the polishing unit installation.
Furthermore, the traction device comprises a traction rod mounting seat, a traction rod and a traction rod guide sleeve. The traction rod mounting seat is fixed to the bottom of the grinding wagon, the top end of the traction rod is connected to the traction rod mounting seat, the traction rod guide sleeve is sleeved on the traction rod, and the traction rod guide sleeve is connected with the middle beam through a traction connecting plate. The traction force of the grinding wagon is transmitted to the frame through the traction rod mounting seat, the traction rod guide sleeve and the traction connecting plate, so that the grinding wagon is driven to operate.
Furthermore, the lifting device comprises a polishing trolley lifting mechanism, an upper mounting seat and a lower mounting seat. One end of the lifting mechanism of the polishing trolley is fixed at the bottom of the polishing trolley through an upper mounting seat, and the other end of the lifting mechanism of the polishing trolley is fixed at a walking wheel mounting seat through a lower mounting seat. The polishing trolley lifting mechanism controls the whole polishing trolley to be lifted and lowered.
Furthermore, the fireproof and dustproof device comprises a middle baffle, a cover plate, a vehicle door, a dust collecting curtain, an end baffle and a fireproof curtain. The cover plates are arranged on the left side and the right side of the dust collecting curtain along the operation direction of the polishing trolley and are arranged on a frame of the polishing trolley. One side of the dust collecting curtain is connected to the bottom of the body of the grinding wagon, and the other opposite side of the dust collecting curtain is connected with the cover plate. The car door set up in the left and right sides of dolly along the operation direction of polishing to through the hinge with the apron is connected. The middle baffle is connected below the frame in a hanging mode, and the end baffles are arranged at the front end and the rear end of the polishing trolley in the operation direction and are arranged on the frame. The lower parts of the vehicle door and the end baffle are both connected with fireproof curtains.
Further, a rail device is arranged between two adjacent grinding units of the first grinding unit mounting frame and/or the second grinding unit mounting frame. And calculating the initial position of the rail leaning device and the relative variation of the rear moving position of the rail leaning device, and combining the initial position of a first transverse moving mechanism of the polishing unit to obtain the transverse moving amount of the first transverse moving mechanism.
Furthermore, the rail device comprises a mounting plate, a transverse moving guide pillar, a transverse moving guide sleeve, a transverse moving mechanism II, a vertical moving guide sleeve guide pillar, a vertical moving mechanism, a rail wheel mounting seat, a rail wheel, a first elastic component and a second elastic component. The two mounting plates are arranged opposite to each other and fixed on a frame of the polishing trolley, and the transverse moving guide pillar is connected between the two mounting plates. The transverse guide pillar is sleeved with a transverse guide sleeve, one end of the transverse mechanism II is connected with the mounting plate, and the other end of the transverse mechanism II is connected to the transverse guide sleeve. One end of the first elastic component is connected with the mounting plate, and the other end of the first elastic component is connected to the transverse moving guide sleeve. One end of the vertical movement guide sleeve guide column is connected with the transverse movement guide sleeve, the other end of the vertical movement guide sleeve guide column extends downwards and is connected to the rail leaning wheel mounting seat, and the rail leaning wheel is mounted on the rail leaning wheel mounting seat. One end of the vertical moving mechanism is connected with the transverse moving guide sleeve, and the other end of the vertical moving mechanism is connected to the rail wheel mounting seat. The first elastic component is connected between the mounting plate and the transverse moving guide sleeve, and the second elastic component is connected between the transverse moving guide sleeve and the guide rail wheel mounting seat. When the acting force of the transverse moving mechanism II is unloaded, the first elastic component enables the transverse moving guide sleeve to be subjected to the acting force pointing to the direction of the rail leaning wheel, and the rail leaning wheel is pressed against the side face of the steel rail.
Through the implementation of the technical scheme of the steel rail grinding trolley provided by the invention, the steel rail grinding trolley has the following beneficial effects:
(1) according to the rail grinding trolley, the traction device adopts the vertical traction rods, the front end and the rear end of a single grinding trolley are respectively provided with one traction rod, the vertical traction rods avoid the load shedding effect of the traditional diagonal traction rods on the grinding trolley, the compact design of the whole structural size of the grinding trolley can be better realized, and meanwhile, the grinding unit installation frame capable of lifting independently is adopted;
(2) the rail grinding trolley adopts the installation frame structure with the left side and the right side which are independently and symmetrically arranged, and is provided with the grinding device lifting mechanism, so that the left frame and the right frame can be independently lifted relative to the grinding trolley, the grinding states of the frames at the two sides are not influenced mutually, when a single-side rail grinding head needs to be lifted in an obstacle avoiding manner in the operation process, only the frame at the corresponding side needs to be lifted, and the influence on the grinding efficiency caused by the frequent lifting and falling of the whole grinding trolley in the operation process is avoided;
(3) according to the rail grinding trolley, the distance between the mounting seats of the grinding units of the left side frame and the right side frame is adjustable, and rail grinding trolleys with different grinding head numbers can be obtained by adjusting the mounting distance between the grinding units, so that the diversified requirements of customers can be met;
(4) according to the rail polishing trolley, the frame adopts an independent symmetrical frame structure, the polishing unit mounting frame is positioned at the top of the trolley, the middle and lower spaces of the trolley are both in an open structure and a modular structure is adopted, when a problem occurs in a single-side frame or a polishing unit, a specific module can be detached and maintained in a targeted manner, the detachment, installation and maintenance can be more convenient, the maintenance cost is obviously reduced, and great convenience is provided for the subsequent maintenance of the polishing trolley and the polishing unit;
(5) according to the rail grinding trolley, the relative position relation between the grinding wheel and the rail can be accurately positioned by utilizing the rail leaning device, so that the grinding effect and the grinding effect are greatly improved; the grinding machine can be used for grinding various areas of railway lines including turnouts, and is wide in application range and high in adaptability; the internal space of the polishing trolley can be fully utilized, the operation process is simple, and the interference between the edge surface of the rail wheel and the side surface of the steel rail in the rail leaning process can be effectively avoided;
(6) according to the rail grinding trolley, the structure of the fireproof and dustproof device is optimized, the side vehicle doors adopt a movable connection mode, the vehicle doors can be opened and closed at a large angle, and when the internal structure of the grinding trolley needs to be maintained, the vehicle doors are directly opened, and no other baffle is arranged on the rear side surface, so that the internal structure of the grinding trolley can be directly operated, the subsequent maintenance work of the grinding trolley is more convenient and faster, and the maintenance cost is remarkably reduced;
(7) according to the rail polishing trolley disclosed by the invention, the polishing units in the polishing trolley have a transverse moving function, so that the polishing requirements of various lines such as main lines, turnouts and the like can be met, the large-range coverage of polishing angles can be realized, and the rail polishing quality can be effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, from which other embodiments can be derived by a person skilled in the art without inventive effort.
FIG. 1 is a schematic side view of the structure of one embodiment of the rail grinding cart of the present invention;
FIG. 2 is a schematic top view of the structure of one embodiment of the rail grinding cart of the present invention;
FIG. 3 is a schematic elevational view of the configuration of one embodiment of the rail grinding cart of the present invention;
FIG. 4 is a schematic perspective view of one embodiment of the rail grinding cart of the present invention;
FIG. 5 is a schematic perspective view of a rail grinding wagon according to an embodiment of the present invention from another perspective;
FIG. 6 is a schematic perspective view of a carriage in one embodiment of the rail grinding wagon of the present invention;
FIG. 7 is a schematic view of a portion of a rail grinding wagon according to an embodiment of the invention with a portion of the top cover removed;
FIG. 8 is an enlarged schematic view of a portion of the interior of one embodiment of the rail grinding wagon of the present invention;
FIG. 9 is a schematic perspective view of a fire and dust protection system for a rail grinding wagon according to an embodiment of the present invention;
FIG. 10 is a schematic perspective view of a fire and dust suppression system of an alternative embodiment of the rail grinding wagon of the present invention;
FIG. 11 is a schematic side view of the fire and dust protected apparatus of one embodiment of the rail grinding wagon of the present invention;
FIG. 12 is a front elevational view of the fire and dust protected apparatus of one embodiment of the rail grinding wagon of the present invention;
FIG. 13 is a front elevational view of a rail engaging apparatus in one embodiment of the rail grinding cart of the present invention;
FIG. 14 is a schematic perspective view of a rail engaging device in one embodiment of the rail grinding wagon of the present invention;
FIG. 15 is a schematic perspective view of a rail backup device of an embodiment of the rail grinding cart of the present invention from another perspective;
FIG. 16 is a side view of the rail attachment of one embodiment of the rail grinding wagon of the present invention;
in the figure: 1-a first sanding unit mounting frame, 2-a left side sanding unit, 3-a centre sill, 4-a drawbar mounting base, 5-a drawbar, 6-a sanding carriage lifting mechanism, 7-a drawbar guide bush, 8-a running wheel mounting base, 9-a running wheel, 10-a track adjusting guide bush, 11-a track adjusting guide bush, 12-a track adjusting mechanism, 13-a guide bush connection, 14-a sanding device lifting guide bush, 15-a sanding device lifting mechanism, 16-a fire and dust protection device, 17-a right side sanding unit, 18-a second sanding unit mounting frame, 19-a sanding device lifting guide bush, 20-a connection base, 21-a sanding unit mounting base, 22-a traction connection plate, 23-an upper mounting base, 24-a lower mounting base, 25-rail wheel, 26-stop collar, 27-transverse mechanism I, 30-rail, 100-grinding vehicle, 200-grinding vehicle, 300-vehicle frame, 400-fireproof and dustproof device, 401-longitudinal beam, 402-middle baffle, 403-cover plate, 404-hinge, 405-vehicle door, 406-side fireproof curtain, 407-dust-collecting curtain, 408-vehicle door buffer mechanism, 409-installation seat, 410-end baffle, 411-end fireproof curtain, 412-handle, 500-locking device, 600-grinding unit, 700-rail device, 701-installation plate, 702-guide post transverse movement, 703-transverse guide sleeve, 704-transverse mechanism II, 705-vertical guide sleeve guide post, 706-vertical movement mechanism, 707-rail wheel installation seat, 708-rail wheel, 709-first elastic component, 710-second elastic component, 711-dustproof baffle, 712-baffle, 713-first connecting plate, 714-second connecting plate, 715-vertical moving guide column, 716-vertical moving guide sleeve, 800-traction device and 900-lifting device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
Referring now to fig. 1 to 16, there are shown embodiments of the rail grinding wagon of the present invention, and the present invention will be further described with reference to the drawings and embodiments.
As shown in fig. 1 to 5, an embodiment of a rail grinding wagon 200 is installed at a lower portion of a grinding wagon 100, and includes: the frame 300, the fireproof and dustproof device 400, the locking device 500, the grinding unit 600, the traction device 800 and the lifting device 900. The frame 300 includes a center sill 3, and a grinding unit mounting frame which is arranged on the left and right sides of the center sill 3 along the working direction (L direction shown in fig. 1 to 5) of the grinding cart 200 in a symmetrical structure and can be lifted independently. As shown in fig. 7, the sharpening unit mounting frame further includes a first sharpening unit mounting frame 1 (for mounting the left sharpening unit 2) and a second sharpening unit mounting frame 18 (for mounting the right sharpening unit 17). The traction device 800 further adopts a vertical traction structure and is arranged at the front end and the rear end along the operation direction of the grinding trolley 200, and the traction device 800 is installed at the bottom of the grinding wagon 100 and is connected with the middle beam 3. The fireproof and dustproof device 400 is installed on the frame 300, and the polishing unit 600 is installed on the polishing unit installation frame and is disposed inside the fireproof and dustproof device 400. One end of the lifting device 900 is connected to the bottom of the sanding vehicle 100, and the other end is connected to the frame 300, and the sanding vehicle 200 can be fixed to the bottom of the sanding vehicle 100 through the locking device 500. The rail grinding trolley described in the specific embodiment of the invention has multiple functions of adjusting the track of the traveling wheels, meeting the requirements of different grinding unit quantities, avoiding obstacles in time in the grinding process and the like, and can meet the grinding requirements of various lines including main lines, turnouts and the like.
As shown in fig. 6, the frame 300 further includes a road wheel mounting seat 8, a road wheel 9, a track adjusting guide post 10, a track adjusting guide sleeve 11 and a track adjusting mechanism 12. The two wheel track adjusting guide posts 10 are respectively and fixedly connected to the front end and the rear end of the middle beam 3 along the operation direction of the polishing trolley 100, and wheel track adjusting guide sleeves 11 are respectively sleeved at the two ends of the wheel track adjusting guide posts 10 along the length direction (shown as W in the attached drawing 6). One end of the wheel track adjusting mechanism 12 is connected to a connecting seat 20 on the middle beam 3 through a bolt, the other end of the wheel track adjusting mechanism is connected and fixed on the wheel track adjusting guide sleeve 11 through a bolt, and the walking wheel 9 is installed below the wheel track adjusting guide sleeve 11 through the walking wheel installing seat 8. And limiting sleeves 26 are further mounted at two ends of the wheel track adjusting guide post 10 and used for axially limiting the wheel track adjusting guide sleeve 11. The track adjusting guide sleeve 11 is driven to transversely move on the track adjusting guide post 10 through the extension and retraction of the track adjusting mechanism 12, and the walking wheel 9 connected with the track adjusting guide sleeve 11 is further driven to transversely move, so that the track adjustment of the walking wheel 9 is realized.
The frame 300 further includes a polishing device lifting guide post 14 and a polishing device lifting guide sleeve 19 sleeved outside the polishing device lifting guide post 14. The upper part of the grinding device lifting guide post 14 is connected to the end part of the grinding unit mounting frame in the working direction of the grinding trolley 200, and the grinding device lifting guide sleeve 19 is fixedly connected with the wheel track adjusting guide sleeve 11 positioned at the same end. The grinding device lifting guide sleeve 19 and the wheel track adjusting guide sleeve 11 are welded together, the grinding device lifting guide columns 14 are connected with the first grinding unit mounting frame 1 and the second grinding unit mounting frame 18, two grinding device lifting guide columns 14 are mounted in front of and behind the first grinding unit mounting frame 1 and the second grinding unit mounting frame 18, and four grinding device lifting guide columns 14 are arranged in a pairwise opposite and parallel mode. The frame 300 further includes two grinding device lifting mechanisms 15, one end of each of the two grinding device lifting mechanisms 15 is connected to the front end and the rear end of the grinding unit mounting frame along the working direction of the grinding cart 200, and the other end is connected to the wheel track adjusting guide sleeve 11 located on the same side. The unit installation frame of polishing all is provided with mated grinding device lift guide pillar 14 along the front and back both ends of the dolly 200 operation direction of polishing, and grinding device elevating system 15 arranges in between two grinding device lift guide pillars 14. When the grinding device lifting mechanism 15 moves telescopically, the grinding device lifting guide column 14 is driven to move up and down in a vertical direction (as shown in the direction H in the attached drawing 6) relative to the grinding device lifting guide sleeve 19, so that the grinding unit mounting frame can move up and down relative to the middle beam 3.
In the embodiment of the invention, the design of four lifting guide columns 14 of the grinding devices and a lifting mechanism 15 of the double grinding devices is adopted to ensure that the first grinding unit mounting frame 1 and the second grinding unit mounting frame 18 can move stably, so that the vibration of the grinding unit 600 caused by the expansion and contraction of the lifting mechanism 15 of the grinding devices is effectively reduced. Meanwhile, the frame of the polishing trolley in the prior art adopts an integral frame type structure, so that the whole lifting or falling can be realized, the whole polishing trolley needs to be lifted aiming at the condition that the unilateral rail grinding head needs to avoid the obstacle lifting, and the polishing operation efficiency is greatly influenced. The rail grinding trolley described in the specific embodiment of the invention adopts a structure of independent symmetrical frames on the left side and the right side, and the first grinding unit mounting frame 1 and the second grinding unit mounting frame 18 can be lifted independently, so that the corresponding grinding unit mounting frame and the corresponding grinding unit 600 can be lifted independently when the rail grinding trolley encounters a unilateral obstacle in the operation process, the independence of the movement of the grinding unit mounting frames on the left side and the right side is realized, the grinding trolley 200 is prevented from being lifted frequently and integrally in the operation process, the effective obstacle avoidance is realized on the premise of avoiding the lifting of the grinding trolley 200, the safety of the grinding operation is improved, and the grinding operation efficiency is improved.
The frame 300 further includes guide sleeve connecting portions 13, and the two guide sleeve connecting portions 13 are respectively disposed at the front and rear ends of the polishing unit mounting frame along the operation direction of the polishing cart 200, and are connected between the two polishing device lifting guide sleeves 19 located at the same end. The track adjusting guide post 10 is fixedly connected with the middle beam 3 through a connecting seat 20, and paired track adjusting mechanisms 12 are arranged at the front end and the rear end of the frame 300 along the operation direction of the polishing trolley 200. One end of the track adjusting mechanism 12 is connected to the connecting seat 20, and the other end is connected to the track adjusting guide sleeve 11 located on the same side. The track adjusting guide sleeve 8 is driven to move on the track adjusting guide post 7 through the extension and retraction of the track adjusting mechanism 10, and further the walking wheel 9 connected with the track adjusting guide sleeve 8 is driven to move, so that the track adjustment of the walking wheel 9 is realized. After the wheel track of the walking wheels 9 is adjusted, the wheel track adjusting guide sleeve 8 is locked on the wheel track adjusting guide post 7 through bolt fastening. The wheelbase of the rail grinding trolley in the prior art is basically fixed, so that the rail grinding trolley can only run on a rail line with a corresponding wheelbase to work. The rail grinding trolley described in the specific embodiment of the invention has the multiple functions of adjusting the wheel track of the traveling wheels 9, meeting the requirements of different grinding units 600, avoiding obstacles in time in the grinding process and the like, is suitable for various types of rail grinding vehicles, and the function of changing the wheel track of the traveling wheels can meet the grinding requirements of different line track gauges (standard rails, wide rails and narrow rails).
The first and second sharpening unit mounting frames 1 and 18 can be lifted independently of each other so that the respective sharpening unit mounting frames can be lifted independently when the sharpening carriage 200 encounters a single-sided obstacle during operation. The first polishing unit mounting frame 1 and the second polishing unit mounting frame 4 are welded with polishing unit mounting seats 21, the polishing units 600 are fixed on the polishing unit mounting seats 21 through bolt connection, and the mounting number of the polishing units 600 is changed by adjusting the relative positions of the polishing unit mounting seats 21. The first polishing unit mounting frame 1 or the second polishing unit mounting frame 4 is provided with 2-8 polishing units 300 which are relatively independent. The sharpening unit mounts 2 are opposite to each other two by two and symmetrically welded to the first sharpening unit mounting frame 1 and the second sharpening unit mounting frame 4. The first polishing unit mounting frame 1 and the second polishing unit mounting frame 4 are respectively welded with polishing unit mounting seats 2, the polishing units 600 are fixed on the corresponding polishing unit mounting frames through bolt connection, the number of the polishing units 600 which can be mounted can be changed by adjusting the relative positions of the polishing unit mounting seats 2 during manufacturing, and 2-8 polishing units 600 which are relatively independent can be mounted on each side frame. Therefore, the number of the grinding heads of the steel rail grinding wagon can be flexibly adjusted according to actual engineering requirements, and the diversified requirements of customers can be met compared with the structural design of the grinding heads of the grinding wagon in the prior art, wherein the number of the grinding heads of the grinding wagon is fixed. According to the rail grinding trolley described in the specific embodiment of the invention, the independent symmetrical grinding unit mounting frame structure is adopted, when a problem occurs in the mounting frame or the grinding unit 600 on one side, a specific module can be detached and maintained in a targeted manner, the rail grinding trolley can be detached, installed and maintained more conveniently, and the maintenance cost is reduced remarkably. Meanwhile, the polishing trolley frame in the prior art adopts an integral frame closed structure, and the side part and the middle part of the trolley are provided with rectangular cross beams, so that the structure can cause great difficulty in maintenance of the polishing trolley. According to the rail grinding trolley described in the specific embodiment of the invention, the grinding unit installation frame is positioned at the top of the trolley, the middle and lower spaces of the trolley are both in an open structure, and a modular structure is adopted, so that when a problem occurs in a single-side frame or a grinding unit, a specific module can be detached and maintained in a targeted manner, the detachment, installation and maintenance can be more convenient, the maintenance cost is obviously reduced, and great convenience is provided for the subsequent maintenance of the grinding trolley and the grinding unit.
As shown in fig. 5, the towing apparatus 800 further includes a tow bar mounting seat 4, a tow bar 5 and a tow bar guide 7. The traction rod mounting seat 4 is fixed at the bottom of the grinding wagon 100, the top end of the traction rod 5 is connected to the traction rod mounting seat 4, the traction rod guide sleeve 7 is sleeved on the traction rod 5, and the traction rod guide sleeve 7 is connected with the middle beam 3 through a traction connecting plate 22. The traction force of the sanding vehicle 100 is transmitted to the frame 300 through the traction rod mounting seat 4, the traction rod 5, the traction rod guide sleeve 7 and the traction connecting plate 22, thereby driving the sanding trolley 200 to work.
As shown in fig. 5, the lifting device 900 further includes a sanding trolley lifting mechanism 6, an upper mounting block 23, and a lower mounting block 24. One end of the grinding trolley lifting mechanism 6 is fixed at the bottom of the grinding wagon 100 through an upper mounting seat 23, and the other end is fixed at the walking wheel mounting seat 8 through a lower mounting seat 24. The entire lifting and lowering of the polishing cart 200 is controlled by the polishing cart lifting mechanism 6.
As shown in fig. 9 to 12, the fire and dust protection device 400 further includes a center screen 402, a cover 403, a door 405, a dust curtain 407, an end screen 410, and a fire curtain. The cover plates 403 are disposed on both left and right sides of the dust curtain 407 in the working direction of the sanding trolley 200 (the direction L shown in fig. 9 to 11), and are mounted on the frame 300 of the sanding trolley 200. The dust curtain 407 has one side connected to the bottom of the body of the sander 100 and the opposite side connected to the cover 403. The door 405 is provided on both left and right sides of the sanding trolley 200 in the working direction, and is connected to the cover plate 403 by a hinge 404. The middle baffle 402 is suspended below the frame 300, and the end baffles 410 are disposed at the front and rear ends of the polishing cart 200 in the working direction and mounted on the frame 300. The lower portions of the door 405 and the end stop 410 are connected with fire curtains. The rail grinding trolley, the fireproof and dustproof device 400, described in the specific embodiment of the invention, has the functions of preventing fire hazards caused by grinding spark splashing, facilitating collection of grinding dust, reducing environmental pollution and the like.
The dust curtain 407 is open at the top and is connected to the bottom of the body of the sanding vehicle 100 by the longitudinal beams 401 for connecting a dust collecting passage and collecting dust generated during sanding into a dust collecting device through the dust collecting passage. As shown in fig. 3, the longitudinal beam 401 is disposed on top of the dust curtain 407 and is mounted below the sander 100. The longitudinal beam 401 further adopts a hollow beam structure with upper and lower ends opened, as shown in fig. 9. The end stop 410 is further provided with an installation seat 409, and the vehicle door 405 is provided with a locking seat at a position corresponding to the installation seat 409. When the door 405 is closed, locking of the door 405 is achieved by inserting a locking pin into the mounting seat 409 and the locking seat. The door 405 and the cover 403 are connected by a hinge 404, so that the door 405 can pivot about the hinge 404. The door 405 is provided with a handle 412, so that the door 405 can be directly opened and closed through the handle 412, and the door 405 can be opened and closed at a large angle. When the door 405 is closed, the door 405 is locked by the locking pin. The fireproof and dustproof device 400 further comprises a door buffer mechanism 408, wherein one end of the door buffer mechanism 408 is connected to the mounting seat 409, and the other end is connected to the door 405. The wide angle opening and closing of the door 405 can be controlled by the door buffer mechanism 408, so that the maintenance is convenient. The door damper mechanism 408 has a damping function to make opening and closing of the door 405 more smooth. The door buffering mechanism 408 may specifically adopt structural forms such as an oil cylinder, an air cylinder, an electric cylinder, a spring, and the like. In the working process of the grinding wagon 100, when the internal structure of the grinding wagon 200 is required to be checked and maintained, such as the grinding unit 600, the rear side face of the door 405 is opened without shielding by other structures, so that the internal structure of the grinding wagon 200 can be directly operated, and the maintenance of the grinding wagon 200 is more convenient and faster.
The hinge 404 further includes a hinge mounting seat, a hinge joint and a hinge shaft, wherein the hinge mounting seat is disposed at the bottom side of the cover plate 403. One end of the hinge joint is fixed on the rotating shaft, and the other end is fixed on the top side edge of the vehicle door 405. When the door 405 is opened and closed, the hinge joint can rotate around the hinge mounting seat, so that the door 405 can be opened and closed at a large angle. Besides the hinge connection described in the embodiment of the present invention, the door 405 and the cover plate 403 may be opened and closed at a large angle by using other movable connection methods.
The fire curtain further includes side fire curtains 406 and end fire curtains 411, with side fire curtains 406 depending from a lower portion of the vehicle door 405 and end fire curtains 411 depending from a lower portion of the end stop 410. The cover plate 403 at the top of the fireproof and dustproof device 400 is connected with the left and right polishing unit mounting frames through bolts, so that the polishing trolley 200 is integrally covered, and the sealing performance and the good dust collecting effect of the polishing trolley 200 are guaranteed. The cover plate 403, the vehicle door 405, the dust collecting curtain 407, the end flap 410, the side fire curtain 406 and the end fire curtain 411 form a partially sealed structure of the sanding trolley 200, so that sanding dust generated during operation can be collected into the dust collecting device through the dust collecting passage. The fire-proof and dust-proof device 400 described in the embodiment of the present invention makes the structure of the polishing trolley 200 more sealed by the plate structures at the end and the side, the dust collecting curtain 407 and the fire-proof curtain, and the polishing dust generated during the operation can be collected into the dust collecting device through the dust collecting channel, thereby reducing the damage of the dust to the operator, the pollution to the environment, and the damage to the equipment.
The fire curtain is secured by providing a small hole in the corresponding portion of the panel structure (including the door 405 and end stop 410) for assembly by a pin with a hole, and inserting a round pin and a cotter pin (not shown) into the holes at the two ends of the pin. The pin structure is used to ensure that the fireproof curtain is very flexibly and conveniently disassembled and assembled, so that the replacement time can be effectively saved when the fireproof curtain is replaced, and the quick disassembly and assembly of the fireproof curtain are realized. The side fireproof curtain 406 and the end fireproof curtain 411 which are made of flexible materials are respectively arranged at the lower parts of the vehicle door 405 and the end baffle 410, so that the vehicle door can adapt to different ballast heights, sparks (high-temperature scrap iron) generated when the grinding wheel grinds the steel rail are effectively prevented from splashing, and facilities beside the steel rail are injured or peripheral materials of the rail are ignited to cause fire.
The middle baffle 402 further includes several sets of unit baffles independent of each other. Each group of unit baffles are connected into a whole through flexible connection and then are hung and installed on the frame 300 of the polishing trolley 200 through a quick connecting ring, so that polishing sparks on one side are prevented from splashing to the polishing unit 600 on the other side, and interference between the polishing unit 600 and the middle baffle 402 during deflection is avoided. Middle part baffle 402 comprises the little unit baffle of multiunit mutually independent, and every group unit baffle all connects then hangs and install on the frame 300 of dolly 200 of polishing through connecing the ring fast, and its main function is to prevent that the spark of polishing of one side from splashing to the unit 600 of polishing of opposite side. The suspension connecting structure of the multiple groups of unit baffles has certain deflection, and when the polishing units 600 on the two sides of the polishing trolley 200 deflect to a certain angle for polishing, the polishing units 600 can be effectively prevented from interfering with the middle baffle 402 when deflecting, so that the polishing units 600 are damaged.
The end baffle 11 further comprises two sets of large and small sub-baffles arranged along the horizontal direction, the upper part of the relatively large sub-baffle is connected with the frame 300 of the polishing trolley 200 through a bolt, and the relatively small sub-baffle is connected with the frame 300 through a bolt.
The curtain 407 is further made of a flexible material, and the curtain 407 is connected to the longitudinal beam 401 by a ring pin, which comprises a circular ring connected to the curtain 407 and a perforated cylinder connected to the circular ring at one end and to the longitudinal beam 401 at the other end. Because the dust collecting curtain 407 on the top of the fireproof and dustproof device 400 is made of soft material, when the polishing trolley 200 is lifted or lowered, the dust collecting curtain 407 can be flexibly folded, so that the lifting function of the frame 300 of the polishing trolley 200 cannot be affected.
The door 405 and the side curtain 406 are further connected by a perforated pin, one end of which is inserted into the mounting holes of the door 405 and the side curtain 406, and a circular pin, which is inserted into the other end of the perforated pin having a through hole. The other end of the apertured pin may be threaded and secured to the side curtain 406 by a retaining nut. The other end of the apertured pin may also be designed with a through hole and a fixed connection of the door 405 to the side curtain 406 may be achieved by inserting a cotter pin.
As a preferred embodiment of the present invention, the cover plate 403, the end baffle 410, the door 405, and the middle baffle 402 are made of aluminum, so as to effectively achieve the light weight design of the fireproof and dustproof device 400. In order to ensure that the structural rigidity meets the requirements of practical engineering application, reinforced structures such as the longitudinal beam 401 and the vehicle door 405 are all steel structures. The side fire-proof curtains 406 and the end fire-proof curtains 411 are made of special fire-proof curtains made of high-chromium and high-silicon materials, and compared with the traditional fire-proof cloth materials, the special fire-proof curtains have higher heat resistance and longer service cycle.
A rail device 700 is also provided between two adjacent sanding units 600 of the first and/or second sanding unit mounting frames 1, 18, as shown in fig. 8. The amount of lateral movement of the first lateral movement mechanism 27 is obtained by calculating the relative change amount of the initial position of the first rail device 700 and the post-rail movement position and combining the initial position of the first lateral movement mechanism 27 of the grinding unit 600.
As shown in fig. 13 to 16, the track device 700 further includes a mounting plate 701, a traverse guide pillar 702, a traverse guide sleeve 703, a traverse mechanism two 704, a vertical guide sleeve guide pillar 705, a vertical movement mechanism 706, a track wheel mounting seat 707, a track wheel 708, a first elastic member 709, and a second elastic member 710. The two mounting plates 701 are arranged opposite to each other and fixed on the frame 300 of the sanding trolley 200, and the traversing guide pillar 702 is connected between the two mounting plates 701. A transverse guide sleeve 703 is sleeved on the transverse guide pillar 702, one end of a transverse mechanism II 704 is connected with the mounting plate 701, and the other end is connected to the transverse guide sleeve 703. The first elastic member 709 has one end connected to the mounting plate 701 and the other end connected to the traverse guide sheath 703. One end of the vertical movement guide sleeve guide column 705 is connected with the transverse movement guide sleeve 703, the other end extends downwards and is connected to a rail wheel mounting seat 707, and a rail wheel 708 is mounted on the rail wheel mounting seat 707. One end of the vertical moving mechanism 706 is connected to the traverse guide sleeve 703, and the other end is connected to the rail wheel mounting block 707. The first elastic member 709 is connected between the mounting plate 701 and the traverse guide sleeve 703, and the second elastic member 710 is connected between the traverse guide sleeve 703 and the guide wheel mounting seat 707. When the acting force of the second traversing mechanism 704 is relieved, the first elastic component 709 enables the traversing guide sleeve 703 to be subjected to the acting force pointing to the rail leaning direction of the rail leaning wheel 25 (the direction shown as F in the attached drawings 14 and 15), and the rail leaning wheel 25 presses the side surface of the steel rail 30. One end of the vertical movement guide sleeve guide column 705 is connected with the transverse movement guide sleeve 703, the other end extends downwards and is connected to a rail wheel mounting seat 707, and a rail wheel 25 is mounted on the rail wheel mounting seat 707. One end of the vertical moving mechanism 706 is connected to the traverse guide sleeve 703, and the other end is connected to the rail wheel mounting block 707.
The second elastic member 710 is connected between the traverse guide sleeve 703 and the rail wheel mounting seat 707, and the vertical moving mechanism 706 provides a vertical downward pressure for the rail wheel 25. When the rail is not needed, second resilient member 710 pulls and pulls rail wheel 25 away from the top surface of rail 30. The sanding trolley 200 is provided with a total of four sets of rail devices 700 which are respectively arranged on the frame 300 at the left and right sides of the sanding trolley 200. Before lowering and lifting the rail device 700, the second traversing mechanism 704 extends to make the rail wheel 25 dislocated with the rail 30, and after lowering, the rail device 700 is tensioned by the first (horizontal) spring 709 and provides a rail-holding force for lateral pressure, and when pressing down, the vertical moving mechanism 706 provides a vertical downward pressure. When the rail is not needed, the second (vertical) spring 710 pulls up and pulls the rail wheel 25 off the top surface of the rail 30. As an exemplary embodiment of the present invention, the first elastic member 9 and the second elastic member 10 may be embodied by springs.
The rail device 700 further includes two traverse guide posts 702 disposed between the two mounting plates 701 in parallel with each other in a horizontal direction (direction X shown in fig. 13), and the first elastic member 709 is disposed between the two traverse guide posts 702. The two traverse guide sleeves 703 are respectively sleeved outside the two traverse guide posts 702, and the two traverse guide sleeves 703 are connected with each other through the first connecting plate 713.
A second connecting plate 714 is vertically connected between the two traverse guide sleeves 703, and the second connecting plate 714 is vertically arranged on the surface of the first connecting plate 713. One end of the second traversing mechanism 704 is connected to the mounting plate 701, and the other end is connected to the first connecting plate 713. The first elastic member 709 has one end connected to the mounting plate 701 and the other end connected to the second connection plate 714. The second traversing mechanism 704 is disposed between the two traversing guide posts 702, the first elastic component 709 is disposed between the two traversing guide posts 702, and the second traversing mechanism 704 and the first elastic component 709 are respectively disposed on different sides of the first connecting plate 713.
One end of the vertical movement guide sleeve guide column 705 is a vertical movement guide column 715, and the other end is a vertical movement guide sleeve 716 sleeved on the vertical movement guide column 715. In this embodiment, the lower end of the vertical movement guide column 715 is connected to the rail wheel mounting 707, the upper end of the vertical movement guide sleeve 716 is connected to the transverse movement guide sleeve 703, or the upper end of the vertical movement guide column 715 is connected to the transverse movement guide sleeve 703, and the lower end of the vertical movement guide sleeve 716 is connected to the rail wheel mounting 707. The transverse guide sleeve 703 is driven by the transverse mechanism two 704 to move on the transverse guide post 702, and the vertical guide post 715 is driven by the vertical mechanism 706 to move in the vertical guide sleeve 716.
The tracking assembly 700 includes two vertical guide post guides 705 disposed vertically (Y in fig. 13) parallel to each other between the traversing guide 703 and the tracking wheel mount 707. One end of the vertical sliding guide sleeve guide post 705 is connected to the bottom of the lateral sliding guide sleeve 703, and a vertical sliding mechanism 706 is disposed between the two vertical sliding guide sleeve guide posts 705. Dust-proof baffles 711 are arranged on two sides perpendicular to the arrangement direction of the two vertical movement guide sleeve guide posts 705, a partition 712 is arranged between the two dust-proof baffles 711, and the vertical movement guide sleeve guide posts 705 and the vertical movement mechanism 706 penetrate through the partition 712. As a typical embodiment of the present invention, when the vertical movement guide sleeve guide pillar 705 specifically adopts a guide pillar and guide sleeve combination structure, the vertical movement guide sleeve guide pillar 705 includes a vertical movement guide pillar and a vertical movement guide sleeve sleeved outside the vertical movement guide pillar, and the partition 712 and the vertical movement guide sleeve are fixed as a whole for fixing the relative position of the vertical movement guide pillar.
The sanding trolley 200 is provided with four sets of rail devices 700, and each side of the frame 300 is provided with two sets of sanding units, as shown in fig. 8. As shown in fig. 5, the polishing cart 200 includes 8 polishing units 600 in two rows in the working direction, each row including 4 polishing units 600, which are divided into odd-numbered sides and even-numbered sides from 1 to 8 by the serial number. For the grinding units 600 on the odd sides, the rail devices 700 are respectively installed between the grinding units 600 of numbers 1 and 3, and between the grinding units 600 of numbers 5 and 7, namely, one rail device 700 is responsible for the transverse movement control of the grinding units 600 at two adjacent positions, the grinding unit 600 of number 5 does not work when the turnout is ground, and the arrangement modes of the grinding units 600 on the even sides are the same (the rail devices 700 are respectively installed between the grinding units 600 of numbers 2 and 4, and between the grinding units 600 of numbers 6 and 8). It is also possible to provide one rail device 700 for each polishing unit 600 on a single side, and each rail device 700 outputs rail data to the polishing unit 600, thereby achieving accurate lateral movement of the polishing unit 600. In the embodiment, the rail device 700 increases the weight and length of the grinding cart 200, so that a structure with 2 rail devices 700 on one side is adopted.
When the railway main track is polished, the rail device 700 is in a locked state and does not drop to participate in the polishing operation. When carrying out the regional polishing of switch, lean on rail device 700 to transfer and participate in the operation of polishing. When polishing the switch, the car of polishing moves outside the interval of polishing to, presses the button of transferring polishing dolly 200, need realize three action: a locking cylinder (an oil cylinder, an electric cylinder and the like can also be adopted for replacing) of the locking device 500 acts, and a locking air hook is retracted; lowering the polishing trolley 200 by releasing the lifting device 900; the second traversing mechanism 704 and the vertical moving mechanism 706 of the rail device 700 operate to make the rail wheels 25 closely contact the rail 30.
An embodiment of an operation method of the rail device 700 includes the following steps:
s11) the second traversing mechanism 704 of the rail contact device 700 is extended to move the flange surface of the rail contact wheel 25 toward the middle position of the two rails 30 so as to stagger the flange surface of the rail contact wheel 25 and the side surfaces of the rails 30;
s12) the vertical movement mechanism 706 of the rail contact device 700 works, the vertical movement mechanism 706 extends, and the rail contact wheel 25 is pressed down to the top surface of the steel rail 30 by controlling the working pressure of the vertical movement mechanism 706;
s13) releasing the acting force of the second transverse moving mechanism 704, enabling the second transverse moving mechanism 704 to float and realize pressing on the side face of the steel rail 30 by means of the tension of the first elastic component 709, and feeding back the position state of the second transverse moving mechanism 704 (a displacement sensor is mounted on the second transverse moving mechanism 704);
s14) calculating the relative change of the initial position of the second traverse mechanism 704 and the post-rail-approach movement position, and combining the initial position of the first traverse mechanism 27 of the grinding unit 600 to obtain the traverse amount of the first traverse mechanism 27, thereby implementing automatic setting of the traverse amount of the second traverse mechanism 704 of the grinding unit 600.
When the turnout area is polished, the traversing amount of the polishing unit 600 is adjusted in real time according to the output amount of the rail leaning device 700. The initial length of the second traversing mechanism 704 is L0, and the length of the second traversing mechanism 704 after the second traversing mechanism approaches the rail is L1, the variation is L1-L0. The initial traverse amount of the first traverse mechanism 27 of the dressing unit 600 is S0, and when the length of the second traverse mechanism 704 is changed to L1-L0, the traverse amount of the first traverse mechanism 27 of the dressing unit 600 is adjusted to S0+ (L1-L0). When the turnout is polished, the traversing amount of the polishing unit 600 is adjusted in real time according to the length variation of the second traversing mechanism 704 of the rail leaning device 700.
Before the rail device 700 is lowered or lifted, the second traversing mechanism 704 extends out, so that the rail wheel 25 is dislocated with the steel rail 30. When the rail device 700 is lowered, the first elastic component 709 is used for tensioning to provide lateral pressure rail force, and the vertical moving mechanism 706 provides vertical downward force. When the rail device 700 does not need to perform the rail leaning operation, the second elastic member 710 is tensioned and pulls the rail leaning wheel 25 away from the rail surface of the rail 30.
The grinding carriage 200 is locked to the lower portion of the rail grinding wagon body by the locking device 500. Further comprising the following steps before step S10):
when the grinding trolley 200 is in the unlocked state (the locking air hook position sensor of the grinding trolley 200 feeds back the unlocking state signal of the grinding trolley 200), the lifting oil cylinder of the grinding trolley 200 extends out when the signal is obtained, and the grinding trolley 200 descends by means of self weight until the traveling wheels 9 contact the rail surface of the steel rail 30. When the running wheels 9 of the grinding wagon 200 fall to the surface of the rail 30, the grinding unit 600 performs simulation test grinding (i.e., performs the operations of pressing down, traversing, deflecting, etc. of each grinding head, but does not perform grinding, to test whether the grinding unit 600 is working normally), and starts to prepare for turnout grinding.
In this embodiment, the polishing trolley lifting mechanism 6, the tread adjusting mechanism 12, the polishing device lifting mechanism 15, the first traversing mechanism 27, the second traversing mechanism 704, the vertical moving mechanism 706 and the like can specifically adopt the forms of an oil cylinder, an air cylinder, an electric cylinder and the like. The combined structure of the traction rod 5, the traction rod guide sleeve 7, the wheel track adjusting guide column 10, the wheel track adjusting guide sleeve 11, the polishing device lifting guide column 14, the polishing device lifting guide sleeve 19, the transverse moving guide column 702, the transverse moving guide sleeve 703, the vertical moving guide sleeve guide column 705, the vertical moving guide column 715 and the vertical moving guide sleeve 716 can also adopt alternative structures such as guide rail and slide block combination, gear and rack combination and the like to realize the function of moving pairs.
By implementing the technical scheme of the steel rail grinding trolley described in the specific embodiment of the invention, the following technical effects can be achieved:
(1) according to the steel rail polishing trolley described in the specific embodiment of the invention, the traction device adopts the vertical traction rods, and the front end and the rear end of a single polishing trolley are respectively provided with one vertical traction rod, so that the vertical traction rods avoid the load shedding effect of the traditional diagonal traction rods on the polishing trolley, the compact design of the whole structural size of the polishing trolley can be better realized, and meanwhile, the polishing unit installation frame capable of lifting independently is adopted;
(2) the steel rail grinding trolley described in the specific embodiment of the invention adopts the installation frame structure with the independent and symmetrical left and right sides and the grinding device lifting mechanism, so that the left and right frames can be independently lifted relative to the grinding trolley, the grinding states of the frames at the two sides are not influenced mutually, when a single-side rail grinding head needs to be lifted in an obstacle avoidance manner in the operation process, only the frame at the corresponding side needs to be lifted, and the influence on the grinding efficiency caused by the frequent lifting and falling of the whole grinding trolley in the operation process is avoided;
(3) according to the rail grinding trolley described in the specific embodiment of the invention, the distance between the mounting seats of the grinding units of the left and right side frames is adjustable, and rail grinding trolleys with different grinding head numbers can be obtained by adjusting the mounting distance between the grinding units so as to meet the diversified requirements of customers;
(4) according to the steel rail polishing trolley described in the specific embodiment of the invention, the frame adopts an independent symmetrical frame structure, the polishing unit mounting frame is positioned at the top of the trolley, the middle and lower spaces of the trolley are both in an open structure and a modular structure is adopted, when a problem occurs in a single-side frame or a polishing unit, a specific module can be detached and maintained in a targeted manner, the detachment, installation and maintenance can be more convenient and faster, the maintenance cost is obviously reduced, and great convenience is provided for the subsequent maintenance of the polishing trolley and the polishing unit;
(5) according to the rail grinding trolley described in the specific embodiment of the invention, the rail leaning device can be used for accurately positioning the relative position relationship between the grinding wheel and the rail, so that the grinding effect and the grinding effect are greatly improved; the grinding machine can be used for grinding various areas of railway lines including turnouts, and is wide in application range and high in adaptability; the internal space of the polishing trolley can be fully utilized, the operation process is simple, and the interference between the edge surface of the rail wheel and the side surface of the steel rail in the rail leaning process can be effectively avoided;
(6) the rail grinding trolley described in the specific embodiment of the invention has the advantages that the structure of the fireproof and dustproof device is optimized, the side doors adopt a movable connection mode, the wide-angle opening and closing of the doors can be realized, and when the internal structure of the grinding trolley needs to be maintained, the doors are directly opened, and no other baffle is arranged on the rear side surface, so that the internal structure of the grinding trolley can be directly operated, the subsequent maintenance work of the grinding trolley is more convenient and faster, and the maintenance cost is obviously reduced;
(7) according to the rail polishing trolley described in the specific embodiment of the invention, the polishing units in the polishing trolley have the transverse moving function, so that the polishing requirements of various lines such as a main line, a turnout and the like can be met, the large-range coverage of the polishing angle can be realized, and the rail polishing quality can be effectively improved.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or equivalent modifications, without departing from the spirit and scope of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the protection scope of the technical solution of the present invention.

Claims (10)

1. A rail grinding wagon mounted to a lower portion of a grinding wagon (100), the rail grinding wagon (200) comprising: the device comprises a frame (300), a fireproof and dustproof device (400), a locking device (500), a polishing unit (600), a traction device (800) and a lifting device (900); the frame (300) comprises a center sill (3) and a grinding unit mounting frame which is arranged on the left side and the right side of the center sill (3) along the operation direction of the grinding trolley (200) in a symmetrical structure and can be lifted independently; the traction device (800) is of a vertical traction structure and is arranged at the front end and the rear end of the operation direction of the polishing trolley (200), and the traction device (800) is arranged at the bottom of the polishing trolley (100) and is connected with the middle beam (3); the fireproof and dustproof device (400) is arranged on the vehicle frame (300), the grinding unit (600) is arranged on the grinding unit mounting frame and is arranged inside the fireproof and dustproof device (400); one end of the lifting device (900) is connected to the bottom of the grinding wagon (100), the other end of the lifting device is connected with the frame (300), and the grinding wagon (200) can be fixed to the bottom of the grinding wagon (100) through the locking device (500).
2. The rail grinding wagon of claim 1, wherein: the frame (300) further comprises a walking wheel mounting seat (8), walking wheels (9), a wheel track adjusting guide pillar (10), a wheel track adjusting guide sleeve (11) and a wheel track adjusting mechanism (12); the two wheel track adjusting guide columns (10) are respectively and fixedly connected to the front end and the rear end of the middle beam (3) along the operation direction of the polishing trolley (100), and wheel track adjusting guide sleeves (11) are sleeved at the two ends of the wheel track adjusting guide columns (10) along the length direction; one end of the wheel track adjusting mechanism (12) is connected to a connecting seat (20) on the middle beam (3), the other end of the wheel track adjusting mechanism is connected to the wheel track adjusting guide sleeve (11), and the walking wheel (9) is installed below the wheel track adjusting guide sleeve (11) through a walking wheel installing seat (8); the track adjusting guide sleeve (11) is driven to transversely move on the track adjusting guide post (10) through the extension and retraction of the track adjusting mechanism (12), and the walking wheel (9) connected with the track adjusting guide sleeve (11) is further driven to transversely move, so that the track adjustment of the walking wheel (9) is realized.
3. The rail grinding wagon of claim 2, wherein: the frame (300) further comprises a polishing device lifting guide post (14) and a polishing device lifting guide sleeve (19) sleeved outside the polishing device lifting guide post (14); the upper part of the lifting guide post (14) of the polishing device is connected to the end part of the mounting frame of the polishing unit along the operation direction of the polishing trolley (200), and the lifting guide sleeve (19) of the polishing device is fixedly connected with the wheel track adjusting guide sleeve (11) at the same end; the frame (300) further comprises grinding device lifting mechanisms (15), one ends of the two grinding device lifting mechanisms (15) are respectively connected to the front end and the rear end of the grinding unit mounting frame along the working direction of the grinding trolley (200), and the other ends of the two grinding device lifting mechanisms are connected to the wheel distance adjusting guide sleeves (11) located on the same side; the front end and the rear end of the polishing unit mounting frame along the operation direction of the polishing trolley (200) are respectively provided with a pair of polishing device lifting guide columns (14), and the polishing device lifting mechanism (15) is arranged between the two polishing device lifting guide columns (14); when the grinding device lifting mechanism (15) moves in a telescopic mode, the grinding device lifting guide column (14) is driven to move up and down relative to the grinding device lifting guide sleeve (19), and therefore the grinding unit mounting frame can move up and down relative to the middle beam (3).
4. A rail grinding wagon as defined in claim 2 or 3, wherein: the frame (300) further comprises guide sleeve connecting parts (13), and the two guide sleeve connecting parts (13) are respectively arranged at the front end and the rear end of the polishing unit mounting frame along the operation direction of the polishing trolley (200) and connected between two polishing device lifting guide sleeves (19) at the same end; the track adjusting guide post (10) is fixedly connected with the middle beam (3) through a connecting seat (20), and paired track adjusting mechanisms (12) are arranged at the front end and the rear end of the frame (300) along the operation direction of the polishing trolley (200); one end of the wheel track adjusting mechanism (12) is connected to the connecting seat (20), and the other end of the wheel track adjusting mechanism is connected with the wheel track adjusting guide sleeve (11) located on the same side.
5. The rail grinding wagon of claim 4, wherein: the sanding unit mounting frame comprises a first sanding unit mounting frame (1) and a second sanding unit mounting frame (18); the first and second sanding unit mounting frames (1, 18) being liftable independently of each other, so that the respective sanding unit mounting frames can be lifted individually when the sanding trolley (200) encounters a single-sided obstacle during operation; the polishing machine is characterized in that a polishing unit mounting seat (21) is welded on the first polishing unit mounting frame (1) and the second polishing unit mounting frame (4), a polishing unit (600) is fixed on the polishing unit mounting seat (21) through bolt connection, and the mounting number of the polishing unit (600) is changed by adjusting the relative position of the polishing unit mounting seat (21).
6. A rail grinding wagon as defined in claim 1, 2, 3 or 5, wherein: the traction device (800) comprises a traction rod mounting seat (4), a traction rod (5) and a traction rod guide sleeve (7); the traction rod mounting seat (4) is fixed at the bottom of the grinding wagon (100), the top end of the traction rod (5) is connected to the traction rod mounting seat (4), the traction rod guide sleeve (7) is sleeved on the traction rod (5), and the traction rod guide sleeve (7) is connected with the middle beam (3) through a traction connecting plate (22); the traction force of the grinding wagon (100) is transmitted to the frame (300) through the traction rod mounting seat (4), the traction rod (5), the traction rod guide sleeve (7) and the traction connecting plate (22), so that the grinding wagon (200) is driven to operate.
7. The rail grinding wagon of claim 6, wherein: the lifting device (900) comprises a polishing trolley lifting mechanism (6), an upper mounting seat (23) and a lower mounting seat (24); one end of the polishing trolley lifting mechanism (6) is fixed at the bottom of the polishing trolley (100) through an upper mounting seat (23), and the other end of the polishing trolley lifting mechanism is fixed at a walking wheel mounting seat (8) through a lower mounting seat (24); the polishing trolley lifting mechanism (6) is used for controlling the whole polishing trolley (200) to be lifted and lowered.
8. A rail grinding wagon as defined in claim 1, 2, 3, 5 or 7, wherein: the fireproof and dustproof device (400) comprises a middle baffle (402), a cover plate (403), a vehicle door (405), a dust collecting curtain (407), an end baffle (410) and a fireproof curtain; the cover plates (403) are arranged on the left side and the right side of the dust collecting curtain (407) along the operation direction of the polishing trolley (200) and are arranged on the frame (300) of the polishing trolley (200); one side of the dust collection curtain (407) is connected to the bottom of the grinding wagon (100), and the other opposite side of the dust collection curtain is connected with the cover plate (403); the vehicle doors (405) are arranged on the left side and the right side of the grinding trolley (200) along the operation direction and are connected with the cover plate (403) through hinges (404); the middle baffle (402) is connected below the frame (300) in a hanging manner, and the end baffles (410) are arranged at the front end and the rear end of the grinding trolley (200) along the operation direction and are arranged on the frame (300); the lower parts of the vehicle door (405) and the end baffle (410) are both connected with fireproof curtains.
9. A rail grinding wagon as defined in claim 1, 2, 3, 5 or 7, wherein: a rail device (700) is further arranged between two adjacent grinding units (600) of the first grinding unit mounting frame (1) and/or the second grinding unit mounting frame (18); and the transverse movement amount of the transverse movement mechanism I (27) is obtained by calculating the relative variation of the initial position of the rail leaning device (700) and the rear movement position of the rail leaning device and combining the initial position of the transverse movement mechanism I (27) of the grinding unit (600).
10. The rail grinding wagon of claim 9, wherein: the rail device (700) comprises a mounting plate (701), a transverse moving guide post (702), a transverse moving guide sleeve (703), a transverse moving mechanism II (704), a vertical moving guide sleeve guide post (705), a vertical moving mechanism (706), a rail wheel mounting seat (707), a rail wheel (708), a first elastic component (709) and a second elastic component (710); the two mounting plates (701) are arranged opposite to each other and fixed on a frame (300) of the polishing trolley (200), and the transverse moving guide column (702) is connected between the two mounting plates (701); a transverse guide sleeve (703) is sleeved on the transverse guide pillar (702), one end of the transverse mechanism II (704) is connected with the mounting plate (701), and the other end of the transverse mechanism II is connected to the transverse guide sleeve (703); one end of the first elastic component (709) is connected with the mounting plate (701), and the other end of the first elastic component is connected to the traverse guide sleeve (703); one end of the vertical movement guide sleeve guide column (705) is connected with the transverse movement guide sleeve (703), the other end of the vertical movement guide sleeve guide column extends downwards and is connected to a rail-leaning wheel mounting seat (707), and the rail-leaning wheel (708) is mounted on the rail-leaning wheel mounting seat (707); one end of the vertical moving mechanism (706) is connected with the transverse moving guide sleeve (703), and the other end of the vertical moving mechanism is connected to the rail wheel mounting seat (707); the first elastic component (709) is connected between the mounting plate (701) and the transverse guide sleeve (703), and the second elastic component (710) is connected between the transverse guide sleeve (703) and the rail wheel mounting seat (707); when the acting force of the second transverse moving mechanism (704) is unloaded, the first elastic component (709) enables the transverse moving guide sleeve (703) to be subjected to the acting force pointing to the rail leaning direction of the rail leaning wheel (8), and the rail leaning wheel (8) presses the side face of the steel rail (30).
CN202010614355.5A 2020-06-30 2020-06-30 Rail dolly of polishing Pending CN111705570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010614355.5A CN111705570A (en) 2020-06-30 2020-06-30 Rail dolly of polishing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010614355.5A CN111705570A (en) 2020-06-30 2020-06-30 Rail dolly of polishing

Publications (1)

Publication Number Publication Date
CN111705570A true CN111705570A (en) 2020-09-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010614355.5A Pending CN111705570A (en) 2020-06-30 2020-06-30 Rail dolly of polishing

Country Status (1)

Country Link
CN (1) CN111705570A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112896218A (en) * 2021-01-28 2021-06-04 安徽通盛能源科技有限公司 Platform for low-speed rail trolley with adjustable gauge and mounting method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112896218A (en) * 2021-01-28 2021-06-04 安徽通盛能源科技有限公司 Platform for low-speed rail trolley with adjustable gauge and mounting method thereof

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