CN109667204B - Rail guider and rail transport vechicle - Google Patents
Rail guider and rail transport vechicle Download PDFInfo
- Publication number
- CN109667204B CN109667204B CN201710966585.6A CN201710966585A CN109667204B CN 109667204 B CN109667204 B CN 109667204B CN 201710966585 A CN201710966585 A CN 201710966585A CN 109667204 B CN109667204 B CN 109667204B
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- Prior art keywords
- rail
- guide
- guide groove
- steel rail
- support frame
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
Abstract
The invention provides a rail guide device and a rail transport vehicle, comprising: the mounting body, the first protruding part and the second protruding part; the mounting body is arranged on a flat plate of the steel rail transport vehicle; one side of the mounting body, which is far away from the flat plate, is inwards recessed to form a guide groove, and the guide groove is used for a steel rail to pass through; the first protruding portion and the second protruding portion are arranged on two side walls of the guide groove respectively and used for abutting against two sides of the steel rail head respectively. The steel rail is prevented from inclining in the guide groove, and further the deformation of the steel rail caused by self torsion is avoided.
Description
Technical Field
The invention relates to the technical field of rail maintenance, in particular to a steel rail guide device and a steel rail transport vehicle.
Background
The rail train is one of the important transportation means in China, and the rail train runs on a steel rail. Existing steel rails are typically laid in an open air environment and include: the rail head is used for contacting with wheels of a rail train, the rail web is used for connecting the rail head and the rail bottom and transmitting pressure borne by the rail head to the rail bottom, and the rail bottom is used for being connected with sleepers of a railway. After the steel rail is used for a period of time, the steel rail is usually damaged due to corrosion or friction of wheels of a rail train, and when the damage reaches a certain degree, the steel rail needs to be replaced in time. Therefore, how to replace the steel rail on the railway quickly and conveniently becomes a hot point of research.
In the prior art, rail transport vehicles are often used to transport the rails. The steel rail transport vehicle in the prior art comprises wheels, a flat plate and a hoisting device, wherein the wheels are matched with steel rails on a railway to drive the steel rail transport vehicle to move; the pallet is arranged at the upper part of the wheel and is used for placing the steel rail; one end of the flat plate is provided with a guide frame, and a guide groove is formed in the guide frame. When the steel rail is unloaded, one end of the steel rail on the flat plate is transported into the guide groove through the hoisting device, the rail bottom is contacted with the bottom of the guide groove, the steel rail is moved in the guide groove along the longitudinal direction, and after one end of the steel rail is contacted with the ground, the steel rail transport vehicle is started to move forward, so that the steel rail gradually slides out of the guide groove.
However, in the prior art, the width of the guide groove is larger than that of the steel rail, and the steel rail is easy to incline in the guide groove in the process of hoisting the steel rail in the guide groove and sliding in the guide groove, so that the rail head is in contact with the side wall of the guide groove; in addition, the length of the steel rail is long, and at the moment, the part of the steel rail on the flat plate is not inclined, so that the steel rail is twisted, and the steel rail is deformed; when the train runs on the deformed steel rail, the operation of the rail train is unstable and even derailment accidents occur easily.
Disclosure of Invention
In view of the above, the present invention provides a rail guide device and a rail transport vehicle, so as to solve the problem that a rail is easily inclined in a guide groove; and the length of the steel rail is longer, and the part of the steel rail on the flat plate is not inclined at the moment, so that the steel rail per se is twisted, and the steel rail is deformed.
The invention provides a rail guide device, comprising: the mounting body, the first protruding part and the second protruding part; the mounting body is arranged on a flat plate of the steel rail transport vehicle; one side of the mounting body, which is far away from the flat plate, is inwards recessed to form a guide groove, and the guide groove is used for bearing a steel rail and guiding the steel rail; the first protruding part and the second protruding part are respectively arranged on two side walls of the guide groove, and the first protruding part and the second protruding part are used for respectively abutting against two sides of the rail head of the steel rail so as to prevent the steel rail from inclining in the guide groove.
The rail guide device preferably further comprises a support frame and a driving device, wherein the first protruding part and the second protruding part are respectively arranged on two side walls of the guide groove in a telescopic manner; the support frame is arranged in the guide groove, and a return spring is arranged between the support frame and the bottom of the guide groove; after the steel rail is contacted with the support frame, the support frame compresses the return spring and moves towards the flat plate; the driving device is used for driving the first protruding part and the second protruding part to respectively extend out of two side walls of the guide groove and respectively abut against two sides of the steel rail railhead when the support frame moves towards the flat plate to a preset position.
In the above rail guide device, preferably, the first protrusion and the second protrusion are respectively disposed on a first link and a second link, and the first link and the second link are respectively rotatably connected to two side walls of the guide groove; the driving device comprises a driving rod, a driving shaft, a first connecting rod mechanism and a second connecting rod mechanism; the driving shaft is rotatably connected with the mounting body, one end of the driving rod is connected with the supporting frame, the other end of the driving rod is connected with the driving shaft, and the driving rod is used for driving the driving shaft to rotate when the supporting frame moves; the first connecting rod mechanism is used for connecting the driving shaft with the first connecting rod, the second connecting rod mechanism is used for connecting the driving shaft with the second connecting rod, and when the driving shaft rotates, the first connecting rod mechanism and the second connecting rod mechanism respectively drive the first connecting rod and the second connecting rod to rotate.
In the above rail guide device, preferably, a first guide tube is disposed at a bottom of the guide groove, a second guide tube is disposed on the support frame, the second guide tube is sleeved outside the first guide tube, and the return spring is disposed in the first guide tube.
The above-mentioned rail guiding device, preferably, the supporting frame includes a roller and a supporting frame body, the roller is rotatably connected to the supporting frame body, and the roller is configured to contact with the rail bottom of the rail, so that the roller rotates along with the movement of the rail.
In the above steel rail guide device, preferably, the roller is provided with a shaft hole, and the rotating shaft is inserted into the shaft hole; the two ends of the rotating shaft are connected with the support frame body.
According to the above steel rail guiding device, preferably, a limiting groove is formed in the side wall of the rotating shaft, a limiting plate is clamped in the limiting groove and connected with the support frame body, and the limiting plate is used for preventing the rotating shaft from rotating.
The rail guide apparatus as described above, preferably, the first protrusion includes a first guide wheel rotatably coupled to a side wall of the guide groove; the second protrusion part comprises a second guide wheel which is rotatably connected with the other side wall of the guide groove.
In the rail guide apparatus, preferably, a buffer sleeve is disposed on each of the side surfaces of the first guide wheel and the second guide wheel.
The present invention also provides a rail transport vehicle, comprising: a wheel, a frame and a rail guide as described above; the wheel with the frame connection for the drive rail transport vechicle is marchd, the frame deviates from one side of wheel and is provided with the flat board, rail guider sets up on the flat board.
According to the steel rail guide device and the steel rail transport vehicle, the side of the installation body, which is far away from the flat plate, is inwards recessed to form the guide groove; first bulge and second bulge set up respectively on two lateral walls of guide way, and first bulge and second bulge are used for supporting the both sides of propping up the rail railhead respectively, prevent that the rail from taking place the slope in the guide way, and then avoid the rail to twist reverse the deformation that leads to because of self.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a rail transportation vehicle according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a rail guide assembly according to an embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of a rail guide assembly according to an embodiment of the present invention;
FIG. 4 is a side view of a rail guide assembly according to an embodiment of the present invention;
fig. 5 is a top view of a rail guide according to an embodiment of the present invention.
Description of reference numerals:
10. a flat plate; 20. Installing a body;
30. a support frame; 40. A return spring;
50. a drive shaft; 60. A drive rod;
70. a first link mechanism; 80. A second link mechanism;
201. a first projecting portion; 202. A second projection;
203. a first guide tube; 301. A roller;
302. a support frame body; 303. A rotating shaft;
304. a limiting plate; 305. A rolling bearing;
306. a second guide tube; 701. A first rotation arm;
702. a second rotating arm; 2011. A first link;
2021. a second link.
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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.
In the present invention, unless otherwise specifically stated, the terms "mounted," "connected," "fixed," and the like are to be understood broadly, and for example, may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or communicable with each other; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected internally or in any other manner known to those skilled in the art, unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
FIG. 1 is a schematic structural diagram of a rail transportation vehicle according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a rail guiding device according to an embodiment of the present invention, and fig. 1 and 2 are shown. This embodiment provides a rail guider, includes: the mounting body 20, the first protrusion 201, and the second protrusion 202; the mounting body 20 is arranged on the flat plate 10 of the steel rail transport vehicle; one side of the installation body 20, which is far away from the flat plate 10, is recessed inwards to form a guide groove, and the guide groove is used for bearing a steel rail and guiding the steel rail; the first protrusion 201 and the second protrusion 202 are respectively disposed on two sidewalls of the guide groove, and the first protrusion 201 and the second protrusion 202 are respectively configured to abut against two sides of the rail head of the rail to prevent the rail from tilting in the guide groove.
Specifically, the steel rail comprises a rail head, a rail web and a rail bottom; the rail head is in contact with wheels of the rail train and is used for bearing the weight of the rail train and generating traction force for driving the rail train to move by rubbing with the wheels of the locomotive; the rail web is plate-shaped and is used for connecting the rail head and the rail bottom; the rail bottom is plate-shaped and is vertical to the rail waist and is used for being connected with the sleeper; the rail head, the rail web and the rail foot are generally integrally formed by casting.
Specifically, the steel rail transport vehicle is used for transporting new steel rails and old steel rails detached from the original track, and a plurality of new steel rails and/or old steel rails are placed on a flat plate 10 of the steel rail transport vehicle in parallel with the ground; the flat plate 10 is arranged parallel to the ground so as to prevent the steel rails from moving on the flat plate 10 in the transportation process; rail vehicles can be driven on the rail to transport new rails to locations where rail replacement is required, or to transport old rails to a factory for repair. The mounting body 20 may be connected to the flat plate 10 by welding, or the mounting body 20 may be connected to the flat plate 10 by bolting, but the present embodiment does not limit the connection manner between the mounting body 20 and the flat plate 10, as long as it is ensured that the mounting body 20 does not move on the flat plate 10.
Specifically, the mounting body 20 may be in a regular shape such as a rectangular parallelepiped, a cylinder, or other irregular shapes, and the shape of the mounting body 20 is not limited in this embodiment; the mounting body 20 may be integrally formed by casting or may be formed by welding a plurality of steel plates. The top end of the installation body 20, which is far away from the ground, is sunken towards the inside of the installation body 20 to form a guide groove, two ends of the guide groove along the advancing direction of the steel rail transport vehicle are provided with openings, and two sides of the guide groove, which are vertical to the advancing direction of the steel rail transport vehicle, are respectively provided with a side wall; the rail may be inserted into the guide groove from the opening of the guide groove, or the rail may be placed in the guide groove from the top end of the mounting body 20.
Specifically, the shape of the first protruding portion 201 and the second protruding portion 202 is not limited in this embodiment, for example, the first protruding portion 201 and the second protruding portion 202 may be in a regular shape such as a sphere, a rectangular parallelepiped, or other irregular shapes; as long as the first protrusion 201 and the second protrusion 202 can respectively abut against two sides of the rail head of the rail to prevent the rail from tilting in the guide groove. The first protruding part 201 and the second protruding part 202 can be connected with the side wall of the guide groove in any connection mode, and the connection mode of the first protruding part 201 and the second protruding part 202 with the side wall of the guide groove is not limited in this embodiment as long as the first protruding part 201 and the second protruding part 202 can not fall off from the side wall of the guide groove when the steel rail moves in the guide groove; for example: a first through hole and a second through hole are respectively formed in two side walls of the guide groove, a first threaded hole and a second threaded hole are respectively formed in the first protruding portion 201 and the second protruding portion 202, a first fastening bolt penetrates through the first through hole and is screwed into the first threaded hole, a second fastening bolt penetrates through the second through hole and is screwed into the second threaded hole, and therefore the first protruding portion 201 and the second protruding portion 202 are connected with the side walls of the guide groove; or a first clamping block and a second clamping block are respectively formed on the first protruding part 201 and the second protruding part 202, and a first clamping groove and a second clamping groove are respectively formed on two side walls of the guide groove; the first clamping block is clamped in the first clamping groove, and the second clamping block is clamped in the second clamping groove, so that the first protruding portion 201 and the second protruding portion 202 are connected with the side wall of the guide groove.
Preferably, still be provided with hoisting accessory on the rail transport vechicle, hoisting accessory can include electric block and lifting hook, and the lifting hook is connected with the wire rope on the electric block. The lifting hook is used for hooking the steel rail, and the electric hoist is used for pulling the lifting hook to move; the hoisting device can place the steel rail in the guide groove on the flat plate 10, or hoist one end of the steel rail on the flat plate 10 into the guide groove, so that the steel rail moves in the guide groove; in addition, the lifting device can hoist the steel rail detached from the rail into the guide groove, and the steel rail moves in the guide groove, so that the steel rail on the ground is pulled to the flat plate 10.
The working process of the steel rail guiding device provided by the embodiment is as follows: the process of unloading the steel rail is that firstly, the steel rail transport vehicle is driven to the position where the steel rail needs to be replaced, and the front end of the steel rail on the flat plate 10 is moved into the guide groove; then the steel rail is moved along the longitudinal direction of the steel rail, so that the front end of the steel rail extends out of the guide groove; continuously moving the steel rail to enable the front end of the steel rail to be in contact with the ground, and starting the steel rail transport vehicle at the moment; in the process, because friction exists between the front end of the steel rail and the ground, when the steel rail transport vehicle moves, the steel rail can continuously slide out of the guide groove along the longitudinal direction in the direction opposite to the running direction of the steel rail transport vehicle until the whole steel rail falls onto the ground. In the process of loading the steel rail, firstly, the front end of the steel rail on the ground is hoisted in the guide groove through the hoisting device, and then the steel rail is pulled to move to the steel rail transport vehicle through the hoisting device until the whole steel rail enters the steel rail transport vehicle.
In the rail guide device provided by the embodiment, the side of the installation body 20 departing from the flat plate 10 is internally recessed to form a guide groove; first bulge 201 and second bulge 202 set up respectively on two lateral walls of guide way, and first bulge 201 and second bulge 202 are used for propping up the both sides of rail railhead respectively, prevent that the rail from taking place the slope in the guide way, and then avoid the rail to twist the deformation that leads to because of self.
Fig. 3 is a partial cross-sectional view of a rail guide according to an embodiment of the present invention, and fig. 4 is a drawing. Specifically, the rail guiding device provided by the present embodiment further includes a supporting frame 30 and a driving device, wherein the first protruding portion 201 and the second protruding portion 202 are respectively and telescopically arranged on two side walls of the guiding groove; the support frame 30 is arranged in the guide groove, and a return spring 40 is arranged between the support frame 30 and the bottom of the guide groove; after the rail is in contact with the support 30, the support 30 moves towards the slab 10; a return spring 40 is arranged between the mounting body 20 and the support frame 30, and the return spring 40 is used for compressing the return spring 40 by the support frame 30 and moving the support frame 30 to the direction back from the flat plate 10 after the steel rail leaves the support frame 30; the driving device is used for driving the first protrusion 201 and the second protrusion 202 to respectively extend from two side walls of the guiding groove and respectively abut against two sides of the rail head of the steel rail when the supporting frame 30 moves to the preset position towards the flat plate 10. In the process that the steel rail is placed at the bottom of the guide groove, the pressure of the rail bottom on the support frame 30 is gradually increased, meanwhile, the return spring 40 is compressed, and the pressure on the support frame 30 when the steel rail is placed in the guide groove is absorbed through the return spring 40, so that the steel rail is prevented from impacting the support frame 30 to cause damage to the steel rail or the support frame 30.
Preferably, the driving means may include a first hydraulic cylinder and a second hydraulic cylinder, which are respectively disposed on both sidewalls of the guide groove; the piston rod of the first hydraulic cylinder is connected with the first protrusion 201, and the piston rod of the second hydraulic cylinder is connected with the second protrusion 202; be provided with a travel switch in the installation main part, when support frame 30 removed to preset position towards dull and stereotyped 10, support frame 30 touch travel switch, and then made first pneumatic cylinder and second pneumatic cylinder work, the piston rod of first pneumatic cylinder and the piston rod of second pneumatic cylinder drive first bulge 201 and second protrusion respectively and stretch out towards the railhead to support the both sides at the railhead respectively. Specifically, the preset position may be a position where the support 30 compresses the return spring 40 to a minimum, or a position where the support 30 is located when the return spring 40 is compressed to a certain extent, and the preset position is not limited in this embodiment.
FIG. 4 is a side view of a rail guide assembly according to an embodiment of the present invention; fig. 5 is a top view of a rail guide apparatus according to an embodiment of the present invention, and fig. 4 and 5 are shown. Specifically, the first protrusion 201 and the second protrusion 202 are respectively disposed on the first link 2011 and the second link 2021, and the first link 2011 and the second link 2021 are respectively rotatably connected with two side walls of the guide groove; the driving means includes a driving lever 60, a driving shaft 50, and first and second link mechanisms 70 and 80; the driving shaft 50 is rotatably connected with the mounting body 20, one end of the driving rod 60 is connected with the supporting frame 30, the other end of the driving rod 60 is connected with the driving shaft 50, and the driving rod 60 is used for driving the driving shaft 50 to rotate when the supporting frame 30 moves; the first link mechanism 70 is used for connecting the driving shaft 50 and the first link 2011, and the second link mechanism 80 is used for connecting the driving shaft 50 and the second link 2021, and when the driving shaft 50 rotates, the first link mechanism 70 and the second link mechanism 80 respectively drive the first link 2011 and the second link 2021 to rotate. The gravity of the steel rail is used as the driving force for driving the first connecting rod 2011 and the second connecting rod 2021 to rotate, and external force is not needed for driving, so that energy is saved.
Preferably, one end of the driving rod 60 is connected to the supporting frame 30, a rack is disposed on the driving rod 60, and a gear engaged with the rack is disposed on the driving shaft 50, so that when the supporting member moves toward the flat plate 10, the driving rod 60 is driven to move toward the flat plate 10, and the rack drives the gear to rotate, so that the driving shaft 50 rotates. The axis of the drive shaft 50 is perpendicular to the longitudinal direction of the rail; the first projection 201 and the second projection are provided at the front ends of the first link 2011 and the second link 2021, respectively. For convenience of description, the first link 2011 is taken as an example: the first connecting rod can be connected with one side wall of the guide groove through a first articulated shaft, and the axis of the first articulated shaft is vertical to the longitudinal direction of the steel rail; the first link mechanism 70 comprises a first rotating arm 701 and a second rotating arm 702, one end of the first rotating arm 701 is in transmission connection with the driving shaft 50, the other end of the first rotating arm 701 is hinged with one end of the second rotating arm 702, and the other end of the second rotating arm 702 is in ball joint with the first link 2011, so that the first rotating arm 701, the second rotating arm 702 and the first link 2011 are sequentially driven to rotate when the driving shaft 50 rotates; the angles and the respective lengths between the first rotating arm 701 and the second rotating arm 702 and between the second rotating arm 702 and the first link 2011 are reasonably set, so that when a steel rail is placed in the guide groove, the support frame 30 moves towards the flat plate 10, the first link 2011 is driven to rotate through the driving device, and when the support frame 30 moves to the limit, namely the elastic force of the return spring 40 is equal to the gravity of the steel rail, the first link 2011 just rotates to the position where the first protruding part 201 abuts against one side of the rail head; after the steel rail is separated from the guiding groove, the return spring 40 abuts against the supporting frame 30 to move in the direction away from the flat plate 10, so as to drive the first connecting rod 2011 to rotate, and when the supporting frame 30 moves to the limit in the direction away from the flat plate 10, the first protruding part 201 can be retracted to the limit towards the side wall of the guiding groove. It is further preferable that an accommodating groove is formed in a side wall of the guide groove, so that the first link 2011 and the first protruding portion 201 can be retracted into the accommodating groove when the rail is detached from the guide groove or the rail is not placed in the guide groove. Correspondingly, the structure and the movement process of the second link 2021 and the second link mechanism 80 are the same as those of the first link 2011 and the first link mechanism 70, so that the first protruding portion 201 and the second protruding portion 202 can respectively extend from two side walls of the guide groove and respectively abut against two sides of the rail head when the rail is placed in the guide groove; when the rail is not placed in the guide groove, the first projecting portion 201 and the second projecting portion 202 can be respectively retracted toward both side walls of the guide groove.
With continued reference to fig. 3. Specifically, the bottom of the guide groove is provided with a first guide tube 203, the support frame 30 is provided with a second guide tube 306, the second guide tube 306 is sleeved on the outer side of the first guide tube 203, and the return spring 40 is arranged in the first guide tube 203. The support frame 30 can only move in a direction parallel to the axes of the first and second guide tubes 203 and 306, and the return spring 40 can only be compressed in the axial direction, so that the force acting on the return spring 40 is not at an angle to the axis, causing the return spring 40 to tilt.
Specifically, the supporting frame 30 includes a roller 301 and a supporting frame body 302, the roller 301 is rotatably connected to the supporting frame body 302, and the roller 301 is configured to contact with the rail bottom of the steel rail, so that the roller 301 rotates along with the movement of the steel rail. The sliding friction force between the steel rail and the support frame 30 is converted into the rolling friction force of the roller 301, so that the friction force between the steel rail and the support frame 30 is reduced, and the steel rail is easy to move longitudinally in the guide groove; thereby reducing the difficulty of unloading the steel rail.
Preferably, a first connecting shaft and a second connecting shaft are formed at two ends of the roller 301, a first shaft hole and a second shaft hole for accommodating the first connecting shaft and the second connecting shaft are formed in the support frame 30, and the first connecting shaft and the second connecting shaft are respectively arranged in the first shaft hole and the second shaft hole in a penetrating manner, so that the roller 301 and the support frame 30 can be rotatably connected; further preferably, a first bearing and a second bearing are respectively disposed in the first shaft hole and the second shaft hole, the first connecting shaft is connected with the first shaft hole through the first bearing, and the second connecting shaft is connected with the second shaft hole through the second bearing, so as to reduce the friction force of the rotation of the roller 301.
Specifically, the roller 301 is provided with a shaft hole, and the rotating shaft 303 penetrates through the shaft hole; the two ends of the rotating shaft 303 are connected with the support frame body 302. The roller 301 and the rotating shaft 303 can be processed respectively, so that the processing difficulty is reduced. Preferably, a rolling bearing 305 is sleeved on the rotating shaft 303, and an outer ring of the rolling bearing 305 is connected with the shaft hole to reduce friction between the rotating shaft 303 and the roller 301.
Specifically, a limiting groove is formed in the side wall of the rotating shaft 303, the limiting plate 304 is clamped in the limiting groove, the limiting plate 304 is connected with the support frame body 302, and the limiting plate 304 is used for preventing the rotating shaft 303 from rotating. Therefore, when the roller 301 rotates, the rotating shaft 303 and the roller 301 rotate together, which causes the loose connection between the rotating shaft 303 and the supporting frame body 302, and when the supporting frame is used for a long time, the supporting frame body 302 is easy to scratch the rotating shaft 303, even causes the rotating shaft 303 to break.
Specifically, the first protrusion 201 includes a first guide wheel rotatably coupled to a sidewall of the guide groove; the second projection 202 includes a second guide wheel rotatably coupled to the other side wall of the guide groove. When the rail moves in the guide groove in the longitudinal direction, the first guide wheel and the second guide wheel can rotate, and friction between the first protrusion and the second protrusion 202 and the rail is reduced.
Preferably, the first guide wheel and the second guide wheel are provided with buffer sleeves on the side surfaces. The buffer sleeve is used for preventing first leading wheel and second leading wheel fish tail railhead. Further preferably, the cushion sheath may be a rubber sheath.
In other embodiments, there is also provided a rail transport vehicle, including: a wheel, a frame and a rail guide as described above; the wheel is connected with the frame for the drive rail transport vechicle is advanced, and the frame deviates from one side of wheel and is provided with dull and stereotyped 10, and rail guider sets up on dull and stereotyped 10.
Preferably, the steel rail guide devices are arranged at intervals along the direction vertical to the advancing direction of the steel rail transport vehicle, so that the steel rail transport vehicle can load and unload a plurality of steel rails at the same time; the efficiency of rail transport vechicle loading and unloading rail has been increased.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A rail guide assembly comprising: the mounting body, the first protruding part and the second protruding part; the mounting body is arranged on a flat plate of the steel rail transport vehicle; one side of the mounting body, which is far away from the flat plate, is inwards recessed to form a guide groove, and the guide groove is used for bearing a steel rail and guiding the movement of the steel rail; the first protruding part and the second protruding part are respectively arranged on two side walls of the guide groove and are used for respectively abutting against two sides of the rail head of the steel rail so as to prevent the steel rail from inclining in the guide groove;
the first protruding part and the second protruding part are respectively arranged on two side walls of the guide groove in a telescopic mode; the support frame is arranged in the guide groove, and a return spring is arranged between the support frame and the bottom of the guide groove; after the steel rail is contacted with the support frame, the support frame compresses the return spring and moves towards the flat plate; the driving device is used for driving the first protruding part and the second protruding part to respectively extend out of two side walls of the guide groove and respectively abut against two sides of the steel rail railhead when the support frame moves towards the flat plate to a preset position.
2. The rail guide of claim 1, wherein the first and second projections are provided on first and second links, respectively, the first and second links being rotatably connected to the two side walls of the guide channel, respectively; the driving device comprises a driving rod, a driving shaft, a first connecting rod mechanism and a second connecting rod mechanism; the driving shaft is rotatably connected with the mounting body, one end of the driving rod is connected with the supporting frame, the other end of the driving rod is connected with the driving shaft, and the driving rod is used for driving the driving shaft to rotate when the supporting frame moves; the first connecting rod mechanism is used for connecting the driving shaft with the first connecting rod, the second connecting rod mechanism is used for connecting the driving shaft with the second connecting rod, and when the driving shaft rotates, the first connecting rod mechanism and the second connecting rod mechanism respectively drive the first connecting rod and the second connecting rod to rotate.
3. A rail guide assembly according to claim 1, wherein a first guide tube is provided at the bottom of the guide channel, a second guide tube is provided on the support frame, the second guide tube is sleeved outside the first guide tube, and the return spring is provided in the first guide tube.
4. A rail guide apparatus according to claim 1 wherein the support frame includes rollers rotatably connected to the support frame body and a support frame body, the rollers being adapted to contact the foot of the rail so that the rollers rotate with movement of the rail.
5. The rail guide device of claim 4, wherein the roller has a shaft hole, and the rotating shaft is inserted into the shaft hole; the two ends of the rotating shaft are connected with the support frame body.
6. The steel rail guiding device according to claim 5, wherein a limiting groove is formed in a side wall of the rotating shaft, a limiting plate is clamped in the limiting groove, the limiting plate is connected with the support frame body, and the limiting plate is used for preventing the rotating shaft from rotating.
7. A rail guide assembly according to any one of claims 1 to 6 wherein the first projection comprises a first guide wheel rotatably connected to a side wall of the guide channel; the second protrusion part comprises a second guide wheel which is rotatably connected with the other side wall of the guide groove.
8. A rail guide assembly according to claim 7 wherein the first and second guide wheels are provided with a damping sleeve on each side.
9. A rail transport vehicle, comprising: a wheel, a frame and a rail guide according to any one of claims 1 to 8; the wheel with the frame connection for the drive rail transport vechicle is marchd, the frame deviates from one side of wheel and is provided with the flat board, rail guider sets up on the flat board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710966585.6A CN109667204B (en) | 2017-10-17 | 2017-10-17 | Rail guider and rail transport vechicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| RU2298606C1 (en) * | 2005-12-19 | 2007-05-10 | Федеральное государственное унитарное предприятие Научно-внедренческий центр "Путевые машины" Федерального агентства железнодорожного транспорта | Rail lengths stockpiling device |
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| CN205934616U (en) * | 2016-08-15 | 2017-02-08 | 中国水利水电第十四工程局有限公司 | A device for transportation of secret factory building driving rail |
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| CN1269301A (en) * | 1999-04-06 | 2000-10-11 | 罗贝尔铁路建筑机械有限责任公司 | Dual purpose vehicles for unloading steel rails, capable of using on road and railway |
| RU2298606C1 (en) * | 2005-12-19 | 2007-05-10 | Федеральное государственное унитарное предприятие Научно-внедренческий центр "Путевые машины" Федерального агентства железнодорожного транспорта | Rail lengths stockpiling device |
| CA2669912C (en) * | 2006-12-19 | 2014-11-25 | Herzog Contracting Corp. | Self-propelled rail unloading machine |
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