CN113802421A - Railway turnout replacing operation system and operation method - Google Patents
Railway turnout replacing operation system and operation method Download PDFInfo
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- CN113802421A CN113802421A CN202110946975.3A CN202110946975A CN113802421A CN 113802421 A CN113802421 A CN 113802421A CN 202110946975 A CN202110946975 A CN 202110946975A CN 113802421 A CN113802421 A CN 113802421A
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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
- E01B29/02—Transporting, laying, removing, or renewing lengths of assembled track, assembled switches, or assembled crossings
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Abstract
The embodiment of the application provides a railway switch replacing operation system and an operation method, wherein the system comprises: the railway turnout laying and replacing operation vehicle, the flat car and at least one transport trolley are arranged on the railway turnout laying and replacing operation vehicle; the flat car is used for bearing the railway turnout laying and changing operation vehicle and the transport trolley and transporting the railway turnout laying and changing operation vehicle and the transport trolley to a turnout laying and changing construction site; the railway turnout laying and replacing operation vehicle is provided with a rail lifting device, and the rail lifting device is used for lifting a transport trolley onto a track; the transport trolley is used for transporting the railway turnout exchange operation vehicle to a turnout exchange place; the railway turnout replacing operation vehicle is provided with a walking device which walks on the ground and is used for hoisting turnouts on the turnout transport vehicle to replacing positions for replacing the turnouts. The railway turnout laying and replacing operation system and the operation method provided by the embodiment of the application have high laying flexibility.
Description
Technical Field
The application relates to a railway line maintenance technology, in particular to a railway turnout replacing operation system and an operation method.
Background
There are two general ways for laying and replacing the switches of the ballast railway: the in-situ paving method and the integral shifting paving method are suitable for newly-built lines, have no strict requirement on construction time, and can carry out quick paving and replacing by the integral shifting paving method, so that the method is suitable for replacing requirements in the operation process. At present, the laying and replacing construction of the turnout is mainly carried out by adopting a mode of erecting a special assembling platform nearby, then carrying out construction in a mode of integral displacement and utilizing a manual replacing mode mainly comprising small machinery.
Some turnout laying and replacing equipment exists in China, but the existing equipment has the problems of low flexibility, high construction difficulty, low construction efficiency, temporary rail building and the like.
Disclosure of Invention
In order to solve one of the technical defects, the embodiment of the application provides a railway turnout replacing operation system and an operation method.
According to a first aspect of an embodiment of the present application, there is provided a railway switch laying work system, comprising: the railway turnout laying and replacing operation vehicle, the flat car and at least one transport trolley are arranged on the railway turnout laying and replacing operation vehicle;
the flat car is used for bearing the railway turnout laying and changing operation vehicle and the transport trolley and transporting the railway turnout laying and changing operation vehicle and the transport trolley to a turnout laying and changing construction site;
the railway turnout laying and replacing operation vehicle is provided with a rail lifting device, and the rail lifting device is used for lifting a transport trolley onto a track;
the transport trolley is used for transporting the railway turnout exchange operation vehicle to a turnout exchange place;
the railway turnout replacing operation vehicle is provided with a walking device which walks on the ground and is used for hoisting turnouts on the turnout transport vehicle to replacing positions for replacing the turnouts.
According to a second aspect of the embodiments of the present application, there is provided a railroad switch laying operation method using the above railroad switch laying operation system, including:
transporting the railway turnout replacement operation vehicle and the transport trolley to a turnout replacement construction site through a flat car;
the transportation trolley is lifted to the track through a rail lifting device in the railway turnout laying and changing operation vehicle, and the flat car is withdrawn;
transporting the railway turnout replacement operation vehicle to a turnout replacement place through a transport trolley, and withdrawing the transport trolley;
the railway turnout pavement changing operation vehicle walks on the ground through a walking device in the railway turnout pavement changing operation vehicle, and the turnout on the turnout transport vehicle is lifted to a pavement changing position for pavement changing.
The railway switch shop trades operating system that this application embodiment provided includes: the railway turnout laying and replacing operation vehicle, the flat car and at least one transport trolley are arranged on the railway turnout laying and replacing operation vehicle; the flat car is used for bearing the railway turnout laying and changing operation vehicle and the transport trolley and transporting the railway turnout laying and changing operation vehicle and the transport trolley to a turnout laying and changing construction site; the railway turnout laying and replacing operation vehicle is provided with a rail lifting device, and the rail lifting device is used for lifting the transport trolley onto a track; the transport trolley is used for transporting the railway turnout replacement operation vehicle to a turnout replacement place; the railway turnout laying and replacing operation vehicle is provided with the walking device, the walking device walks on the ground and is used for lifting turnouts on the turnout transport vehicle to laying and replacing positions for laying and replacing, when the walking device meets ground obstacles, the operation vehicle is also transported through the transport trolley, the flexibility is good, and the transport speed is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a railway switch laying work system provided in an embodiment of the present application;
fig. 2 is a schematic structural view of a railway turnout replacement work vehicle provided in the embodiment of the present application;
fig. 3 is a first top view of the railway switch changing vehicle according to the embodiment of the present invention;
fig. 4 is a second top view of the railway switch changing work vehicle provided in the embodiment of the present application;
FIG. 5 is an enlarged view of area A of FIG. 1;
fig. 6 is a first top view of a longitudinal beam device in the railroad switch replacement vehicle according to the embodiment of the present invention;
fig. 7 is a second plan view of a longitudinal beam device in the railroad switch replacement work vehicle according to the embodiment of the present application;
fig. 8 is a schematic structural view of a running gear and a rail lifting gear in the railway switch laying work vehicle according to the embodiment of the present application;
fig. 9 is a schematic structural view of the butt joint of the extension beam and the main beam of the rail lifting device in the railway turnout replacement vehicle according to the embodiment of the present application;
fig. 10 is a schematic structural view of a supporting device in a railway switch laying work vehicle according to an embodiment of the present application;
fig. 11 is a first schematic view of the railway switch laying work system provided in the embodiment of the present application in a working state;
fig. 12 is a schematic view ii of the railway switch laying work system provided in the embodiment of the present application in a working state;
fig. 13 is a third schematic view of the railway switch laying work system provided in the embodiment of the present application in a working state;
fig. 14 is a fourth schematic view of the railway switch laying work system provided in the embodiment of the present application in a working state;
fig. 15 is a fifth schematic view of the railway switch laying work system provided in the embodiment of the present application in an operating state.
Reference numerals:
1-longitudinal beam means; 11-a longitudinal beam; 12-a telescopic beam; 14-sub stringer; 15-a transverse connection;
2-running gear; 21-a turntable; 22-a first sliding sleeve; 23-a first sideslip beam; 24-a first strut sliding sleeve; 25-a slewing bearing; 26-a track running mechanism; 27-secondary strut sliding sleeves; 28-secondary strut slide beam; 29-rotation locking oil cylinder;
3-a support device; 31-a second sliding sleeve; 32-a second sideslip beam; 33-a second strut sliding sleeve; 34-a support base;
4-a rail lifting device; 41-main beam; 42-lifting the rail hook; 43-lifting the oil cylinder; 44-an elongated beam; 45-a hinge mechanism;
5-flatbed vehicle; 51-a fixed seat;
6-transport trolley; 61-fixed pins;
7-turnout; 71-ground obstacles; 72-turnout transport vehicle;
8-a power system;
9-hydraulic system.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the present embodiment, the direction perpendicular to the railway line is referred to as a longitudinal direction (L direction in the drawing), the horizontal direction perpendicular to the railway line is referred to as a lateral direction (W direction in the drawing), and the direction perpendicular to the horizontal plane is referred to as a vertical direction or a vertical direction (H direction).
This embodiment provides a railway switch shop changes operating system, includes: the railway turnout laying and replacing operation vehicle, the flat car and at least one transport trolley are arranged on the railway turnout laying and replacing operation vehicle; the flat car is used for bearing the railway turnout laying and changing operation vehicle and the transport trolley and transporting the railway turnout laying and changing operation vehicle and the transport trolley to a turnout laying and changing construction site; the railway turnout laying and replacing operation vehicle is provided with a rail lifting device, and the rail lifting device is used for lifting the transport trolley onto a track; the transport trolley is used for transporting the railway turnout replacement operation vehicle to a turnout replacement place; the railway turnout laying and replacing operation vehicle is provided with a traveling device, and the traveling device travels on the ground and is used for lifting turnouts on the turnout transport vehicle to laying and replacing positions for laying and replacing.
The railway switch shop trades operating system that this application embodiment provided includes: the railway turnout laying and replacing operation vehicle, the flat car and at least one transport trolley are arranged on the railway turnout laying and replacing operation vehicle; the flat car is used for bearing the railway turnout laying and changing operation vehicle and the transport trolley and transporting the railway turnout laying and changing operation vehicle and the transport trolley to a turnout laying and changing construction site; the railway turnout laying and replacing operation vehicle is provided with a rail lifting device, and the rail lifting device is used for lifting the transport trolley onto a track; the transport trolley is used for transporting the railway turnout replacement operation vehicle to a turnout replacement place; the railway turnout laying and replacing operation vehicle is provided with the walking device, the walking device walks on the ground and is used for lifting turnouts on the turnout transport vehicle to laying and replacing positions for laying and replacing, when the walking device meets ground obstacles, the operation vehicle is also transported through the transport trolley, the flexibility is good, and the transport speed is improved.
On the basis of the above technical solution, the embodiment provides a specific implementation manner of an operating system:
fig. 1 is a schematic structural view of a railway switch changing operation system provided in the embodiment of the present application, and fig. 2 is a schematic structural view of a railway switch changing operation vehicle provided in the embodiment of the present application. As shown in fig. 1 and 2, the railway switch changing operation system includes: the railway turnout laying and replacing operation vehicle is used for lifting and laying the turnout. The railway switch shop that this embodiment provided changes the operation car includes: the device comprises a longitudinal beam device 1, at least two groups of running devices 2, at least two groups of supporting devices 3 and at least two groups of rail lifting devices 4.
The longitudinal beam device 1 extends in the longitudinal direction, and the length of the longitudinal beam device can be set according to the length of the turnout. At least two groups of running gears 2 are arranged at intervals along the longitudinal direction, and each running gear 2 spans two sides of the longitudinal beam device 1. The running gear 2 is rotatably connected with the longitudinal beam device 1 and can rotate horizontally (in the direction of R in the figure) relative to the longitudinal beam device 1.
At least two groups of supporting devices 3 are arranged at intervals along the longitudinal direction, and each supporting device 3 spans two sides of the longitudinal beam device 1. The support device 3 comprises a support body and a support base which can be lifted relative to the support body, the support body is connected with the longitudinal beam device, and the support base can be lowered to be in contact with the ground. When the supporting base is in contact with the ground, the longitudinal beam device 1 can be supported, and the longitudinal beam device 1 can be lifted to a certain height.
At least two groups of rail lifting devices 3 are arranged on the longitudinal beam device and are arranged at intervals along the longitudinal direction and used for lifting the turnout.
The railway switch laying and changing operation system further comprises: the platform lorry 5 and at least one transport trolley 6, the platform lorry 5 is used for bearing the railway turnout laying and changing operation vehicle and the transport trolley 6.
In the process of laying turnouts, firstly, the platform trailer 5 is adopted to convey the laying and replacing operation vehicle and the transport trolley to a construction site, the platform trailer 5 is supported by the supporting device 3, the walking device 2 is lowered to the ground, and the transport trolley 6 is lifted to a track by the rail lifting device 4. After the running gear 2 supports the operation vehicle to a certain height, the flat car 5 is withdrawn. The operation vehicle moves to the position above the transport trolley 6 through the walking device 2, the walking device 2 is folded, the operation vehicle runs on the track through the transport trolley 6, and the operation vehicle is transported to the turnout to be paved and changed. After the turnout is paved and replaced, the walking device 2 is lowered to the ground, the turnout is walked above the turnout transport vehicle through the walking device 2, the turnout is lifted through the rail lifting device 4, and the turnout transport vehicle leaves the construction site. And finally, the operation vehicle drives the turnout to move to a specific laying and changing position, and the turnout position is adjusted by rotating the longitudinal beam device 1 to complete laying and changing of the turnout.
The walking speed of the walking device 2 on the ground is low, and the small transportation trolley is adopted to run on the track to convey the operation vehicle to the turnout common place, so that the operation vehicle is quicker and more convenient. And in the process of handling the turnout by the operation vehicle, if the turnout meets an obstacle which cannot be bypassed on the ground, the operation vehicle can be transported on the track by the transport trolley, and the turnout has better obstacle-avoiding capacity.
According to the technical scheme, the walking devices are arranged on two sides of the longitudinal beam device in a crossing mode and can horizontally rotate with the longitudinal beam device, and the walking devices drive the operation vehicle to freely walk on the ground without being restricted by the rails; the supporting device is adopted to span two sides of the longitudinal beam device and comprises a supporting main body and a supporting base capable of lifting relative to the supporting main body, the supporting main body is connected with the longitudinal beam device, the supporting base can be lowered to be in contact with the ground, the whole operation vehicle can be lifted by a certain height, and the longitudinal beam device can rotate by a certain angle to adjust the position of a turnout; the rail lifting devices are arranged on the longitudinal beam device at intervals along the length direction of the longitudinal beam device and are used for lifting turnouts, and the operation vehicle can flexibly lift, move and rotate the turnouts, adjust the positions of the turnouts and quickly lay the turnouts; in addition, the transport trolley and the operation vehicle are transported to a construction site through the flat car, after the flat car is withdrawn, the operation vehicle is transported to a turnout to be paved and changed through the transport trolley, and when the walking device encounters a ground obstacle, the operation vehicle is also transported through the transport trolley, so that the flexibility is good, and the transportation speed is improved.
On the basis of the above technical solution, the embodiment provides a specific implementation manner:
fig. 3 is a first top view of the railway switch changing work vehicle provided in the embodiment of the present application, and fig. 4 is a second top view of the railway switch changing work vehicle provided in the embodiment of the present application. As shown in fig. 1 to 4, the longitudinal beam device 1 includes a main body longitudinal beam portion and a telescopic longitudinal beam portion provided at an end of the main body longitudinal beam portion in the longitudinal direction, and the telescopic longitudinal beam portion is telescopic in the longitudinal direction with respect to the main body longitudinal beam portion, so that the overall length of the longitudinal beam device 1 is adjustable. One implementation is as follows: the one end of main part longeron portion is provided with flexible longeron portion, perhaps the both ends of main part longeron portion all are provided with flexible longeron portion.
Furthermore, the telescopic beam is further included. The telescopic beam extends in a longitudinal direction and has one end telescopically connected to an end of the main body stringer portion and/or telescopically connected to an end of the telescopic stringer portion.
At least one set of running gear is arranged 2 on the telescopic stringer. One implementation is as follows: assuming that the number of the running gears 2 is two, one running gear 2 is arranged on the main body longitudinal beam part, and the other running gear 2 is arranged on the telescopic longitudinal beam part, the longitudinal distance between the two running gears 2 can be adjusted by adjusting the telescopic length of the telescopic longitudinal beam part relative to the main body longitudinal beam part. The other realization mode is as follows: when the both ends of main part longeron portion all were provided with flexible longeron portion, two running gear 2 set up respectively on flexible longeron portion, through adjusting two flexible longeron portions length for the main part longeron portion is flexible, realize adjusting the longitudinal distance between two running gear 2.
At least one group of supporting devices 3 is arranged on the telescopic longitudinal beam part, and according to the arrangement mode of the walking device 2, the number of the supporting devices 3 is assumed to be two groups, wherein one group of supporting devices 3 is arranged on the main body longitudinal beam part, and the other group of supporting devices 3 is arranged on the telescopic longitudinal beam part; or two sets of supporting devices 3 are respectively arranged on the telescopic longitudinal beam parts at the two ends of the main body longitudinal beam part.
The rail lifting device 3 may be provided on the main body side member portion, may be provided on the telescopic side member portion, and may be provided on the telescopic side member.
Fig. 3 is a view in which the telescopic side member portion is contracted with respect to the body side member portion, and fig. 4 is a view in which the telescopic side member portion is expanded with respect to the body side member portion. In the process, the extension size of the telescopic longitudinal beam part relative to the main body longitudinal beam part is adjusted, and the distance between the supporting devices 3 and the distance between the traveling devices 2 are adjusted to adapt to the length of the turnout, so that the stability of the operating vehicle is ensured, and the turnout is kept balanced in the lifting process.
The number of transport carriages 6 is at least two. In the application process, the operation vehicle and the transport trolley 6 are conveyed to a construction site through the flat car 5, after the transport trolley 6 is lifted to a rail through the rail lifting device 4, the flat car 5 is withdrawn, then the relative position between the telescopic longitudinal beam part and the main body longitudinal beam part is adjusted, and the relative position of the telescopic beam relative to the longitudinal beam device 1 can also be adjusted, so that the operation vehicle is positioned on at least two transport trolleys 6.
And a positioning locking mechanism which is matched with the operation vehicle and the transport trolley 6 is arranged between the operation vehicle and the transport trolley 6, and the operation vehicle and the transport trolley are locked, so that the transport trolley 6 drives the operation vehicle to travel. Fig. 5 is an enlarged view of the area a in fig. 1. As shown in fig. 5, the transport cart 6 includes a frame and a bogie provided at the bottom of the frame. The top of the transport trolley 6 is provided with a hoisting structure which is matched with the rail lifting device 4 for hoisting. The end of the transport trolley 6 is also provided with a fixing pin 61, and when the transport trolley 6 is arranged on the flat car 5 for transportation, the fixed pin 61 is fixed on the flat car 5.
On the basis of the above technical solution, the present embodiment provides an implementation manner of the longitudinal beam device 1:
fig. 6 is a first top view of a longitudinal beam device in the railway switch changing work vehicle according to the embodiment of the present application, and fig. 7 is a second top view of the longitudinal beam device in the railway switch changing work vehicle according to the embodiment of the present application. Fig. 6 shows a view in which the telescopic side member portion is contracted with respect to the body side member portion in the longitudinal beam device, and fig. 7 shows a view in which the telescopic side member portion is expanded with respect to the body side member portion.
As shown in fig. 6 and 7, the body side member portion includes: the two longitudinal beams 11 are arranged side by side, a preset distance is reserved between the two longitudinal beams 11, and the two longitudinal beams 11 are connected through a transverse connecting structure 15. The transverse connecting structure 15 may be provided in plural, and is respectively provided at different positions of the longitudinal beam 11. The transverse connecting structure is specifically a cross beam.
The longitudinal beam 11 may be a box beam with a rectangular cross section, and a cavity is provided at the end. The telescopic stringer part comprises two sub-stringers 14, the two sub-stringers 14 being arranged side by side. A sub-stringer 14 is slidably inserted into a cavity at the end of a stringer 11. The two sub-longitudinal beams 14 are connected with each other through a cross beam connecting structure 15.
The other realization mode is as follows: the longitudinal beam 11 and the sub-longitudinal beam 14 are arranged side by side and penetrate into the same pipe sleeve, the pipe sleeve is fixedly connected with the longitudinal beam 11, and the sub-longitudinal beam 14 moves in a telescopic mode relative to the pipe sleeve.
One end of the telescopic beam 12 can be telescopically inserted into the cavity at the end part of the longitudinal beam 11 and/or the cavity at the end part of the sub-longitudinal beam 14, and the other end can be provided with the lifting rail device 4. The length of the longitudinal beam device 1 can be further adjusted by arranging the telescopic beam 12 so as to lay turnouts with different lengths. When the telescopic beam 12 extends to the maximum, the length of the whole working vehicle is more than 32 meters, for example, 36 meters.
The schemes shown in fig. 6 and 7 in this example: the right end of the longitudinal beam 11 is connected with a sub longitudinal beam 14 in a sliding mode, and the right end of the sub longitudinal beam 14 is connected with a telescopic beam 12 in a sliding mode. The left end of the longitudinal beam 11 is connected with a telescopic beam 12 in a sliding mode.
The running gear 2 is not only rotatable with respect to the longitudinal beam device 1, but also movable in the lateral direction and the vertical direction with respect to the longitudinal beam device 1. The present embodiment will describe in detail the implementation of the work vehicle by taking two longitudinal beam devices 1 as an example. On the basis of the above technical solution, the embodiment provides a specific implementation manner of the running gear 2:
the running gear comprises: the device comprises a turntable, a first transverse sliding sleeve, a first transverse sliding beam, a first vertical telescopic mechanism and a track walking mechanism. Wherein the turntable is arranged on top of the longitudinal beam arrangement 1. The first transverse sliding sleeve is connected with the rotary table and horizontally rotates relative to the longitudinal beam device 1 through the rotary table. One end of the first sideslip sliding beam is telescopically inserted into the first sideslip sliding sleeve. The top of the first vertical telescopic mechanism is connected with the other end of the first transverse moving sliding beam. The crawler walking mechanism is connected to the bottom end of the first vertical telescopic mechanism and can rotate horizontally relative to the first vertical telescopic mechanism.
Fig. 8 is a schematic structural view of a running gear and a rail lifting gear in the railway switch laying work vehicle according to the embodiment of the present application. As shown in fig. 8, a specific implementation is as follows: the running gear 2 includes: the device comprises a rotary table 21, a first sideslip sliding sleeve 22, a first sideslip sliding beam 23, a first strut sliding sleeve 24, a first strut sliding beam, a slewing bearing 25 and a crawler travelling mechanism 26. Wherein the turntable 21 is arranged on top of the longitudinal beam arrangement 1, in particular at a position intermediate two longitudinal beam arrangements 1. The turntable 21 comprises a fixed part which is fixed to the longitudinal beam arrangement 1 and a rotatable part which may in particular be arranged on the transverse connection 15. The rotating part can rotate relative to the fixed part.
The first sliding sleeve 22 is connected with the rotary table 21 and rotates horizontally relative to the longitudinal beam device 1 through the rotary table. Specifically, the first sliding sleeve 22 is a cylindrical structure with a rectangular cross section, extends in the horizontal direction, and is fixed to the rotating part of the rotating disc 21.
The first sliding bar 23 extends in the horizontal direction and one end thereof is telescopically inserted into the first sliding bar 22. The first strut slide 24 is connected to the other end of the first traverse slide 23 and moves in synchronization with the first traverse slide 23. The first sliding pillar sleeve 24 is a tubular structure with a rectangular cross section and extends in the vertical direction.
The first strut slide extends in a vertical direction with its top end telescopically inserted into the first strut slide 24. The slewing bearing 25 is arranged at the bottom end of the first strut slide beam. The slewing bearing 25 comprises two rotating parts which rotate relative to each other, the bottom end of the first pillar stringer being connected to one of the rotating parts, and the track running gear being connected to the other rotating part, enabling the track running gear to rotate horizontally relative to the first pillar stringer.
The first pillar sliding sleeve 24 and the first pillar sliding beam may form the first vertical telescopic mechanism, which is also called a one-stage vertical telescopic structure, or may form a two-stage vertical telescopic structure. When the first pillar sliding beam is of a beam-shaped structure, a primary vertical telescopic structure is formed. Or the following scheme is adopted to form a two-stage vertical telescopic structure:
as shown in fig. 8, the first pillar runner includes: a secondary strut slide sleeve 27 and a secondary strut slide beam 28. Wherein, its top of second grade pillar sliding sleeve 27 is inserted in first pillar sliding sleeve 24 telescopically, and second grade pillar sliding sleeve 27 is the tubular structure that the cross-section is the rectangle, extends along vertical direction. The secondary strut slide 28 extends vertically, and has its top end telescopically inserted into the secondary strut slide sleeve 27 and its bottom end connected to the rotating member of the slewing bearing, so that the crawler traveling mechanism can be horizontally rotated with the secondary strut slide 28. The two-stage telescopic scheme can reduce the volume of the walking device and save the occupied space.
Further, a rotary locking oil cylinder 29 is connected between the longitudinal beam device 1 and the running device 2, when the supporting device 3 supports the operation vehicle to enable the operation vehicle to be in an idle load state, the rotary locking oil cylinder 29 is used for limiting relative rotation between the longitudinal beam device 1 and the running device 2, so that the longitudinal beam device 1 and the running device 2 are kept relatively fixed, and random rotation of the longitudinal beam device and the running device 2 in the idle load state is avoided.
The running gear 2 can be extended and retracted transversely and vertically relative to the longitudinal beam device 1 and can rotate relative to the longitudinal beam device 1.
The embodiment further provides an implementation manner of the rail lifting device 4: as shown in fig. 8, the rail device 4 includes: a main beam 41 and a lifting rail hook 42. The main beam 41 extends along the transverse direction and is connected to the longitudinal beam device 1 or the telescopic beam 12 through the lifting oil cylinder 43, and the lifting oil cylinder 43 can drive the main beam 41 to move up and down. The lifting rail hooks 42 are slidable along the main beam 41 and may be two in number for lifting the switch points from both lateral sides.
The embodiment provides a specific implementation manner: the main beam 41 is an i-beam, and includes a top plate, a bottom plate extending in the horizontal direction, and a web plate vertically connected between the middle portions of the top plate and the bottom plate. The top of the lifting rail hook 42 can slide along the two sides of the bottom plate.
Fig. 9 is a schematic structural view of the butt joint of the extension beam and the main beam of the rail lifting device in the railway switch laying work vehicle according to the embodiment of the present application. As shown in fig. 8 and 9, further, the rail lifting device 4 further includes: an extension beam 44, the extension beam 44 being connected to the main beam 41 by a hinge mechanism 45 such that the extension beam 44 can pivot relative to the main beam 41. The hinge mechanism 45 may include at least two hinges hingedly connected between the main beam 41 and the elongate beam 44. When the length of the main beam 41 meets the turnout requirement, the extension beam 44 is stored above the main beam 41, and the rail lifting hook 42 slides on the main beam 41 to lift the turnout; when the length of the main beam 41 cannot meet the turnout requirement, the extension beam 44 is put down and butted against the end part of the main beam 41 (as shown in fig. 9), and the rail lifting hook 42 can slide on the main beam 41 and the extension beam 44, so that the distance between the two rail lifting hooks 42 is increased. The number of the extension beams 44 may be two, symmetrically arranged on the main beam 41.
The extension beam 44 may also be i-section steel to enable the lifting rail hook 42 to slide back and forth on the main beam 41 and the extension beam 44. The extension beam 44 includes: the top plate and the bottom plate extend along the horizontal direction, and the web plate is vertically connected between the middle parts of the top plate and the bottom plate; the bottom plate of the extension beam is in butt joint with the bottom plate of the main beam, and the top of the rail lifting hook slides along the two side edges of the bottom plate of the extension beam.
The operation car can set up six groups of lifting rail devices 4, and the interval is laid in proper order along vertically, lifts and hangs the switch from a plurality of positions, can have effectively to prevent that the switch from taking place to warp at the handling in-process. The lifting rail device 4 may be provided on the longitudinal beam 11, or may be provided on the sub-longitudinal beam 14 or the telescopic beam 12.
The rail lifting device 4 and the longitudinal beam device 1 perform vertical telescopic motion, so that the turnout is hoisted.
The supporting device 3 is used for supporting on the ground and lifting the whole working vehicle to a certain height. The present embodiment provides a specific implementation manner of the supporting device 3: fig. 10 is a schematic structural view of a supporting device in a railway switch laying work vehicle according to an embodiment of the present application. As shown in fig. 10, the supporting device 3 includes: a support body and a support base, wherein the support body comprises a second sideslip slide sleeve 31, a second sideslip slide beam 32, a second strut slide sleeve 33 and a support base 34. Wherein the second sliding bush 31 is arranged on the top of the longitudinal beam device 1, in particular on the top of the longitudinal beam 11 or the sub-longitudinal beam 14. The second sliding sleeve 31 is a tubular structure with a rectangular cross section and extends along the transverse direction.
The second sliding bar 32 extends in the lateral direction and has one end telescopically inserted into the second sliding bar 31. The second sliding pillar sleeve 33 is connected to the other end of the second traverse beam 32, and the second sliding pillar sleeve 33 is a tubular structure having a rectangular cross section and extending in the vertical direction. The top end of the support base 34 may be provided with a support column through which the second support sliding sleeve 33 is telescopically inserted. The extension and contraction of the second traverse slide 32 enables the support device 3 to be laterally extended and contracted, and the extension and contraction of the support base 34 to be moved up and down.
The extension and retraction of the support means 3 may be hydraulically driven. The supporting device 3 can be vertically telescopic at one stage or vertically telescopic at two stages, and can be specifically arranged by referring to the running gear. The support means 3 is capable of telescopic movement both laterally and vertically relative to the longitudinal beam means 1.
As shown in fig. 1, the switch changing work vehicle and the transport carriage 6 are transported to the construction site by means of a flat car 5. During transport, both the running gear 2 and the supporting gear 3 are moved up and retracted. A fixed seat 51 is arranged on the flat car 5, and the rail lifting device 4 is connected with the fixed seat 51 to fix the operation car on the flat car 5. The fixed seat 51 may be a hydraulic driving mechanism.
After arriving at the construction site, the support means 3 are first supported on the platform 5, then the running gear 2 is lowered to the ground and the longitudinal beam means 1 are supported to a certain height, then the support means 3 are retracted, as can be seen in fig. 11. Fig. 11 is a first schematic view of the railway switch laying work system provided in the embodiment of the present application in an operating state.
Then, the transport trolley 6 is hung on the track through the hanging rail device 4, and the length of the longitudinal beam device 1 is adjusted to be positioned above the transport trolley 6. The running gear 2 is retracted and the working vehicle is transported by the transport vehicle 6, and reference is made to fig. 12 in the present state. Fig. 12 is a schematic view two illustrating the railway switch-laying work system provided in the embodiment of the present application in a working state.
When the operation vehicle is conveyed to a turnout for paving and changing, the walking device 2 is lowered to the ground, the longitudinal beam device 1 is supported by a certain height, the longitudinal beam device is unlocked with the transport trolley 6, and the transport trolley 6 is withdrawn. The turnout is transported to the site by the turnout transport vehicle, the operation vehicle walks above the turnout transport vehicle through the walking device 2, and the current state can refer to figure 13. Fig. 13 is a third schematic view of the railway switch laying work system provided in the embodiment of the present application in an operating state. The switch 7 is lifted by the lifting rail device 4, the switch transport vehicle leaves the site, and the current state can be referred to as figure 14. Fig. 14 is a fourth schematic view of the railway switch laying work system provided in the embodiment of the present application in an operating state. The operation vehicle drives the turnout to move to a laying position and can move transversely and longitudinally, and the longitudinal beam 11 can rotate relative to the walking device to adjust the position and the angle of the turnout for laying construction.
When the work vehicle encounters the ground obstacle 71 while traveling through the traveling device 2, the work vehicle bypasses the ground obstacle 71 by adjusting the lateral distance of the traveling device 2. However, when the ground obstacle 71 has a large volume, the transport vehicle 6 runs under the working vehicle and the switch 7, the working vehicle and the switch 7 are placed on the transport vehicle 6, the running device 2 is retracted, and the working vehicle and the switch are transported to bypass the ground obstacle 71 through the transport vehicle 6. Reference is made to fig. 15, and fig. 15 is a fifth schematic view of the railway switch laying work system in the working state according to the embodiment of the present application.
The operation vehicle drives the turnout to move to a laying position and can move transversely and longitudinally, and the longitudinal beam 11 can rotate relative to the walking device to adjust the position and the angle of the turnout for laying construction.
The operation car that this embodiment provided adopts vertical beam device 1, running gear 2, strutting arrangement 3 and lifting rail device 4, realizes functions such as short distance transportation, loading and unloading, sideslip, lift and rotation to the switch, has higher flexibility, has moreover that the transportation is convenient, the stand-alone handling ability is strong and the switch is spread and is traded accurate characteristics of counterpointing, aims at solving the construction pain point that the switch was spread and traded. And the operation vehicle is conveniently transported by the transportation trolley, and the problems that in the traditional scheme, the labor intensity of workers is high, the field organization is difficult to coordinate, the operation efficiency is not high, the switch laying quality is poor, the track running speed is low, and the barriers at two sides of the line cannot pass when the railway switch laying operation vehicle lifts the whole set of switches in the running process are solved.
When the working vehicle runs, the rotary locking oil cylinder 29 is in a floating state, and the longitudinal beam 11 and the running gear 2 can freely rotate according to the steering requirement; when the support device 3 supports the working vehicle, the running gear 2 is in an idle state, the rotation locking oil cylinder 29 is locked, and random rotation between the running gear 2 and the longitudinal beam 11 is prevented.
The running gear 2 is capable of running on the ground by using the crawler belt running mechanism 26 and is not restricted by the track. Moreover, the track-laying mechanism 26 can rotate in the horizontal direction, which improves the flexibility of the vehicle. The spacing between the two track rows 26 can be set according to the width of the switch, for example: 10 m. The transverse movement of the track unit 26 allows the barrier to clear obstacles on the ground.
The longitudinal beam 11 is provided with a double-power system 8 and a hydraulic system 9 which are used for providing power for the working vehicle. The two sets of power transmission systems are arranged in parallel at the middle position of the longitudinal beam 11 and share one engine room, and one set of power transmission system can be used for rescue. When one power system fails, the other power system can independently drive the whole machine to operate.
The present embodiment further provides a railway switch replacing operation method using the above railway switch replacing operation system, including the following steps:
transporting the railway turnout replacement operation vehicle and the transport trolley to a turnout replacement construction site through a flat car;
the transportation trolley is lifted to the track through a rail lifting device in the railway turnout laying and changing operation vehicle, and the flat car is withdrawn;
transporting the railway turnout replacement operation vehicle to a turnout replacement place through a transport trolley, and withdrawing the transport trolley;
the railway turnout pavement changing operation vehicle walks on the ground through a walking device in the railway turnout pavement changing operation vehicle, and the turnout on the turnout transport vehicle is lifted to a pavement changing position for pavement changing.
In the process that a walking device in the railway turnout replacing operation vehicle walks on the ground, when meeting ground obstacles, the walking device is folded, and the railway turnout replacing operation vehicle is conveyed through a transport trolley.
A specific implementation manner is as follows:
step S1: the running gear 2 and the supporting device 3 are folded up by the railway turnout laying and changing operation vehicle and fixed on the flat car 5. The transport trolley 6 is fixed at the end part of the flat car 5 and is transported to the operation site together.
When the railway turnout replacing work vehicle and the transport trolley 6 are transported, the work vehicle is fixed with the fixed seat 51 of the flat car 5 through the rail lifting hook 42 of the rail lifting device 4, and the transport trolley 6 is fixed with the other mounting seat of the flat car 5 through the fixing pin 61, so that the turnout replacing work vehicle and the transport trolley 6 are fixed. When the vehicle is transported, the tracks of the running gear 2 are placed on and act on the platform lorry 5, and the supporting device 3 is in a retracted state.
Step S2: after the railway turnout replacement vehicle arrives at a construction site, the running device 2 is put down by the railway turnout replacement vehicle, the running device 2 supports the operation vehicle to ascend to a certain height, the operation vehicle lifts the transport trolley 6 through the rail lifting device 4, the flat car 5 is withdrawn, and the transport trolley 6 is placed on a track. When the operation vehicle is far away from the laying ground, the transport trolley 6 runs to the position below the operation vehicle, the operation vehicle is placed on the transport trolley 6, the running of the crawler is switched to running of the steel wheels, the transport trolley 6 assists the operation vehicle to run, and the running efficiency is improved.
In the step, after the running devices 2 support the working vehicle to rise to a certain height, the sub-longitudinal beams 14 of the working vehicle start to extend out, and the distance between the two running devices 2 is adjusted; the distance between the two rail lifting devices 4 at the end parts is adjusted through the expansion and contraction of the telescopic beams 12, so that the two rail lifting devices 4 can lift the two transport trolleys 6 at the same time. And (5) removing the fixing pin, and unbounding the transport trolley 6 and the flat car 5. When the transport trolley 6 is lifted, the flat car 5 is withdrawn, and the operation car places the transport trolley on the track. When the working vehicle is far away from the laying ground, the running devices 2 support the working vehicle to rise to a certain height, and at the moment, the two transport trolleys 6 run below the working vehicle and are respectively positioned at the front side and the rear side of the two running devices 2. The working vehicle is placed on the transport trolley 6 by adjusting the height of the running gear 2 in the vertical direction, and at the moment, the running gear 2 is in a contracted state in the vertical direction. The crawler traveling is switched to steel wheel traveling, and the transport trolley 6 transports the operation vehicle to travel rapidly, so that the traveling efficiency can be greatly improved.
Step S3: the working vehicle travels over the turnout transport vehicle 72, is lifted by the rail lifting device 4, and unloads the turnout 7 from the turnout transport vehicle.
When the turnout transport vehicle transports the turnout 7 to the place near the paving and changing operation site, the operation vehicle moves and runs to the position above the turnout transport vehicle 72 through the running device 2, the vertical stroke is adjusted through the lifting of the lifting oil cylinder 43 in the rail lifting device 4, the transverse stroke is adjusted through the sliding of the rail lifting hook 42 on the main beam 41, and finally the turnout 7 is lifted and unloaded from the turnout transport vehicle 72.
Step S4: the operation vehicle lifts the welded turnout 7 through the rail lifting device 4 and moves to the laying position of the turnout 7. When the operating vehicle runs and encounters an obstacle in the process of running, the transport trolley 6 runs to the position below the operating vehicle and the turnout 7, the operating vehicle and the turnout 7 are placed on the transport trolley 6, the running device 2 is folded, and the transport trolley 6 transports the operating vehicle and the turnout 7 to pass through the obstacle.
When the operation vehicle unloads the turnout 7 through the rail lifting device 4, the turnout 7 is welded on a welding platform or a traveling rail. After the welding is completed, the working vehicle lifts the welded turnout 7 through the rail lifting device 4 and moves to the laying position of the turnout 7. When the operation vehicle encounters an obstacle in the traveling process, the traveling devices 2 support the operation vehicle to ascend to a certain height, and at the moment, the two transport trolleys 6 travel to the positions below the operation vehicle and the turnout 7 and are respectively positioned on the front side and the rear side of the two traveling devices 2. The height of the running gear 2 in the vertical direction is adjusted, so that the operation vehicle and the turnout 7 are placed on the transport trolley 6, and the running gear 2 is in a contraction state in the vertical direction. The transport trolley 6 transports the working vehicle and the turnout 7 through obstacles.
Step S5: the operation vehicle adjusts the position of the turnout 7 through transverse movement, longitudinal movement and rotary movement, and completes the laying of the turnout 7.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered 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" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (15)
1. A railway switch interchange operation system, characterized by includes: the railway turnout laying and replacing operation vehicle, the flat car and at least one transport trolley are arranged on the railway turnout laying and replacing operation vehicle;
the flat car is used for bearing the railway turnout laying and changing operation vehicle and the transport trolley and transporting the railway turnout laying and changing operation vehicle and the transport trolley to a turnout laying and changing construction site;
the railway turnout laying and replacing operation vehicle is provided with a rail lifting device, and the rail lifting device is used for lifting a transport trolley onto a track;
the transport trolley is used for transporting the railway turnout exchange operation vehicle to a turnout exchange place;
the railway turnout replacing operation vehicle is provided with a walking device which walks on the ground and is used for hoisting turnouts on the turnout transport vehicle to replacing positions for replacing the turnouts.
2. The system of claim 1, wherein the railway switch exchange vehicle comprises:
a longitudinal beam arrangement extending in a longitudinal direction;
at least two groups of running devices are arranged at intervals along the length direction of the longitudinal beam device; the walking device stretches across two sides of the longitudinal beam device, is rotatably connected with the longitudinal beam device and can horizontally rotate relative to the longitudinal beam device;
at least two groups of supporting devices are arranged at intervals along the length direction of the longitudinal beam device; the supporting device spans two sides of the longitudinal beam device and comprises a supporting main body and a supporting base capable of lifting relative to the supporting main body, and the supporting main body is connected with the longitudinal beam device;
at least two groups of rail lifting devices are arranged on the longitudinal beam device and are used for hoisting the turnout and the transport trolley; each group of rail lifting devices are arranged at intervals along the length direction of the longitudinal beam device.
3. The system of claim 2, wherein the longitudinal beam means comprises a main body beam portion and a telescoping beam portion, the telescoping beam portion being extendable and retractable in a longitudinal direction relative to the main body beam portion; at least one group of running gear is arranged on the telescopic longitudinal beam part; at least one group of supporting devices is arranged on the telescopic longitudinal beam part.
4. The system of claim 3, further comprising:
a telescopic beam telescopically connected to an end of the main body stringer and/or telescopically connected to an end of the telescopic stringer; the rail lifting device is arranged on the longitudinal beam device and/or the telescopic beam.
5. The system according to any one of claims 2 to 4, wherein the running gear comprises:
the rotary table is arranged at the top of the longitudinal beam device;
the first transverse sliding sleeve is connected with the rotary table and horizontally rotates relative to the longitudinal beam device through the rotary table;
one end of the first transverse moving sliding beam is telescopically inserted into the first transverse moving sliding sleeve;
the top of the first vertical telescopic mechanism is connected with the other end of the first transverse moving sliding beam;
and the crawler traveling mechanism is connected to the bottom end of the first vertical telescopic mechanism and can horizontally rotate relative to the first vertical telescopic mechanism.
6. The system of claim 5, wherein the first vertical telescoping mechanism comprises:
the first strut sliding sleeve is connected with the other end of the first transverse sliding beam; the first support sliding sleeve extends along the vertical direction;
and the top end of the first support sliding beam is telescopically inserted into the first support sliding sleeve.
7. The system of claim 6, wherein the first strut skid comprises:
the top end of the second-stage strut sliding sleeve is telescopically inserted into the first strut sliding sleeve;
the top end of the secondary strut sliding beam is telescopically inserted into the secondary strut sliding sleeve, and the bottom end of the secondary strut sliding beam is provided with a slewing bearing; the crawler traveling mechanism is rotatably connected to the bottom end of the secondary strut sliding beam.
8. The system of any one of claims 2-4, wherein the support body comprises:
the second transverse sliding sleeve is arranged at the top of the longitudinal beam device;
one end of the second traverse sliding beam is telescopically inserted into the second traverse sliding sleeve;
the second strut sliding sleeve is connected with the other end of the second transverse moving sliding beam; the top end of the support base is telescopically inserted into the second strut slide sleeve.
9. The system of claim 3 or 4, wherein the body stringer portion comprises:
the end part of the longitudinal beam is provided with a cavity; the number of the longitudinal beams is two, and the two longitudinal beams are arranged side by side; a preset space is reserved between the two longitudinal beams, and the two longitudinal beams are connected through a transverse connecting structure;
the telescopic longitudinal beam part comprises: two sub-stringers; two sub-longitudinal beams are arranged side by side, and one sub-longitudinal beam is inserted into a cavity at one end of one longitudinal beam in a sliding mode.
10. The system of claim 9, wherein the rail lifting device comprises:
the main beam extends along the transverse direction and is connected with the longitudinal beam device or the telescopic beam through a lifting oil cylinder;
and the rail lifting hook is arranged on the main beam in a sliding manner.
11. The system of claim 10, wherein the rail lifting device further comprises:
the extension beam is connected with the main beam through a hinge mechanism; the extension beam can be butted at the end part of the main beam; the lifting rail hook is slidable on the main beam and the extension beam.
12. The system of claim 11, wherein the main beam comprises: the top plate and the bottom plate extend along the horizontal direction, and the web plate is vertically connected between the middle parts of the top plate and the bottom plate; the top of the rail lifting hook slides along two side edges of the bottom plate of the main beam;
the extension beam includes: the top plate and the bottom plate extend along the horizontal direction, and the web plate is vertically connected between the middle parts of the top plate and the bottom plate; the bottom plate of the extension beam is in butt joint with the bottom plate of the main beam, and the top of the rail lifting hook slides along two side edges of the bottom plate of the extension beam.
13. The system of any of claims 2-4, further comprising:
and the rotation locking oil cylinder is connected between the longitudinal beam device and the running gear and is used for limiting the relative rotation between the longitudinal beam device and the running gear when the longitudinal beam device is in an idle state.
14. A method of railroad switch interchange operations using the railroad switch interchange operation system according to any one of claims 1-13, comprising:
transporting the railway turnout replacement operation vehicle and the transport trolley to a turnout replacement construction site through a flat car;
the transportation trolley is lifted to the track through a rail lifting device in the railway turnout laying and changing operation vehicle, and the flat car is withdrawn;
transporting the railway turnout replacement operation vehicle to a turnout replacement place through a transport trolley, and withdrawing the transport trolley;
the railway turnout pavement changing operation vehicle walks on the ground through a walking device in the railway turnout pavement changing operation vehicle, and the turnout on the turnout transport vehicle is lifted to a pavement changing position for pavement changing.
15. The method of claim 14, wherein the running gear of the railroad switch replacement vehicle is retracted when a ground obstacle is encountered during travel of the running gear on the ground, and the railroad switch replacement vehicle is transported by the transport vehicle.
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CN202110946975.3A CN113802421A (en) | 2021-08-18 | 2021-08-18 | Railway turnout replacing operation system and operation method |
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CN202110946975.3A CN113802421A (en) | 2021-08-18 | 2021-08-18 | Railway turnout replacing operation system and operation method |
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CN112252099A (en) * | 2019-07-22 | 2021-01-22 | 中国铁建高新装备股份有限公司 | Operating vehicle for railway turnout replacement and operating method thereof |
CN112252100A (en) * | 2019-07-22 | 2021-01-22 | 中国铁建高新装备股份有限公司 | Equipment for laying and replacing railway turnout and operation method |
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FR2780993A1 (en) * | 1998-07-10 | 2000-01-14 | Fassetta Mecanique | METHOD AND DEVICE FOR LAYING TRACK ELEMENT BY TRACKED LORRIES |
CN203866656U (en) * | 2014-04-02 | 2014-10-08 | 北京建鼎国铁工程设计有限公司 | Turnout laying machine for track construction |
CN107620234A (en) * | 2017-10-30 | 2018-01-23 | 株洲时代电子技术有限公司 | A kind of railway switch laying apparatus operational method |
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