CN211547115U - Equipment for laying and replacing railway turnout - Google Patents
Equipment for laying and replacing railway turnout Download PDFInfo
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- CN211547115U CN211547115U CN201921149554.2U CN201921149554U CN211547115U CN 211547115 U CN211547115 U CN 211547115U CN 201921149554 U CN201921149554 U CN 201921149554U CN 211547115 U CN211547115 U CN 211547115U
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- turnout
- railroad switch
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Abstract
An apparatus for railway turnout replacement comprises a track walking platform (1) and a portal type rail lifting row device (2), wherein the track walking platform (1) comprises a lifting platform (1.2), a lifting device (1.9) and a vertical supporting device (1.5) are connected below the lifting platform (1.2), the lifting platform and the vertical supporting device are connected with the lifting platform (1.2) and a platform frame (1.1) through a joint bearing, a bearing platform (1.3) is arranged above the lifting platform (1.2), and two pairs of clamps (1.4) are arranged in the transverse direction of the bearing platform (1.3); the lifting platform (1.2) is connected with the crawler belt running device (1.9) through a lifting device (1.6) and a supporting device (1.7).
Description
Technical Field
The invention relates to equipment for replacing railway turnouts and a railway turnout replacing operation method, and belongs to the technical field of engineering equipment.
Background
With the development of railway transportation industry in China, the number of railway laying kilometers is increased, and the workload of railway line maintenance is increased. A switch is an assembly of lines and inter-line connections and crossing equipment, which is an important component of a railroad aisle and is also the weakest part of a line. The railway turnout is characterized by large quantity, complex structure, short service life, limited vehicle speed, large maintenance workload, low traffic safety, heavy rails and sleepers and the like on a railway, so that the turnout replacement on a railway is a task with huge workload, and the current development trend is to adopt mechanization to realize the turnout replacement work. According to the analysis of the prior art at home and abroad, the current turnout laying and replacing equipment mainly comprises the following parts:
one is that utility model patent 'a switch shop equipment' that bulletin number is CN 2729127Y, it adopts multiunit host computer and next quick-witted combined operation, and this kind of operation mode need lay interim rail in advance, has very big potential safety hazard.
The other type is that a plurality of groups of high-stroke hydraulic track jack assemblies are adopted to lift the turnout, the carrying efficiency is low, the problems of asynchronism and deflection of the oil cylinder are easy to occur in the operation process, the lifting of the turnout is not stable, and the potential safety hazard exists.
The third is switch laying and changing equipment described in the Chinese patent of invention No. CN201420167210.5 for track construction and the Chinese patent of invention No. CN 107761487A for railway switch laying and changing device. The two devices are composed of a longitudinal beam, a hanging beam, a telescopic arm, a supporting walking device, a middle supporting device, a hoisting device and the like. The two methods are different only in running mode, one is run by adopting tires, and the other is run by adopting a crawler belt. Both are used for carrying turnouts in a hoisting mode. Because the turnout track panel is heavy, the ballast resistance of the ballast bed is large, and because the turnout track panel is arranged on the loose ballast bed, the supporting surface is small, and the device is easy to incline and is not stable enough. During the turnout carrying process, a plurality of hanging points are positioned for a long time to hook the steel rail, and the turnout is always in a bumpy state when the ballast of the ballast runs, so that the turnout is easy to damage.
Disclosure of Invention
The invention provides railway turnout replacing equipment and an operation method thereof, which are used for solving the problems that the quality is difficult to ensure when temporary rails need to be laid and new turnout track panels are carried in the conventional turnout replacing process, and the construction influences the normal driving of adjacent lines and the like.
The railway turnout replacing equipment provided by the invention can be suitable for replacing turnouts of various models through multiple groups of combined operation, and the running interval range of the equipment is more suitable for the requirements of turnout area sites in China at present.
The invention provides equipment for laying and replacing railway turnouts and a working method thereof, wherein the equipment for laying and replacing the railway turnouts comprises a track walking platform and a portal type rail lifting row device, during operation, the track walking platform and the portal type rail lifting row device are transported to a turnout replacement site through a flat car, support legs of a vertical lifting device of the portal type rail lifting row device are put down, the support legs are lifted to empty with the flat car, then the flat car is poured out, at the moment, the track walking platform transversely moves to the lower part of the portal type rail lifting row device through the flat car, the portal type rail lifting row device lifts the track walking platform through the vertical lifting device and the rail lifting device, then the flat car backs up again, and the portal type rail lifting row device takes the track walking platform from the flat car to a line steel rail. The other mode is that the crawler traveling platform is temporarily erected with an inclined track or an inclined platform and is self-arranged on the track steel rail through the crawler traveling device.
The crawler traveling platform comprises a lifting platform, wherein a lifting device and a vertical supporting device are connected below the lifting platform, the lifting device and the vertical supporting device are connected with the lifting platform and a platform frame through joint bearings, a bearing platform is arranged above the lifting platform, and two pairs of clamps are arranged on the bearing platform in the transverse direction; and a rotary bearing is arranged below the bearing platform and connected with the lifting platform.
The lifting platform is connected with the crawler walking device through a lifting device and a supporting device, and is connected with parts which are provided with similar joint bearings and can freely turn.
When the crawler traveling platform is in the crawler traveling state, the lifting device is in the maximum travel state, the vertical height of the lower edge of the steel wheel traveling frame is smaller than that of the lower edge of the crawler traveling device, when the crawler traveling platform is in the crawler traveling state, the lifting device is in the minimum travel shortening state, and the vertical height of the lower edge of the traveling steel wheel is larger than that of the lower edge of the crawler traveling device.
Preferably, a clamp is arranged on the support platform in order to adjust the clamped switch sleeper.
Four walking steel wheels are arranged at the lower part of the platform frame and are directly or indirectly driven by a hydraulic motor or an electric motor and the like.
Preferably, the running of the track can be replaced by running of the tires.
The maximum lifting stroke of a lifting device connected below a lifting platform of the crawler traveling platform is not less than 0.5 meter, the transverse moving stroke of two clamps on the bearing platform is +/-0.6 meter, and the horizontal rotating range of a rotary bearing connecting the bearing platform and the lifting platform is +/-25 degrees.
The portal frame type rail lifting panel device comprises a vertical lifting device, the vertical lifting device is connected with cross beams, transverse moving devices are connected between the cross beams, the cross beams are further connected with longitudinal moving devices, the rail lifting devices are connected below the longitudinal moving devices, and walking steel wheels are further connected below the cross beams.
The portal frame type rail lifting panel device stretches across the whole set of turnouts through the work of the vertical lifting device and the transverse moving device, grabs the whole set of turnouts through the rail lifting device, and achieves the longitudinal moving function of the cross beam through the longitudinal moving device.
The transverse moving device of the portal type track lifting panel device can adopt a multi-stage oil cylinder mode, and the working stroke of the transverse moving device is that the maximum inner width of a left cross beam and a right cross beam can reach 4.5-5.5 meters. The vertical lifting device can also adopt a multi-stage oil cylinder mode, and the working stroke of the vertical lifting device ensures that the height of the working surface of the rail lifting device of the portal frame type rail lifting panel device from the line rail surface reaches the range of 2-3 meters to the maximum. The longitudinal moving device can adopt a mode of an oil cylinder, and the stroke of the longitudinal moving device is not less than 0.5 m
Compared with the prior art, the invention has the following advantages and effects:
the track walking platform is adopted, so that a temporary rail laying process is not required during turnout laying and replacing construction, the turnout laying and replacing construction efficiency is greatly improved, and the construction workload is reduced;
compared with the existing upper computer or door type hydraulic track lifting machine, the portal type track lifting panel device has the advantage that the operation capacity is improved. The turnout track running device has a steel wheel running function, can take the lower machine or the track running platform from the flat car, can take a new turnout from the movable turnout assembling platform or the turnout transport vehicle, does not need the participation of a special crane, and can cross turnout track panels of any types.
Compared with the similar products and patents at home and abroad, the turnout changing and laying equipment formed by combining the track walking platform and the portal type rail lifting panel device tends to integrate the track or tire walking on the portal of the rail lifting, and the large-scale equipment needs to adopt special vehicles to transport to enter and exit, and has great influence on the smoothness of a field, an electrified column pedestal, a signal box and other equipment. Meanwhile, in the process that the portal frame of the rail lifting moves on the track bed through a track or a tire, the turnout is in a lifted state, and the turnout is easy to damage and shake.
4. The turnout track panel is transported on a trackless track bed by adopting the track walking platform, is fixed on the loading platform device instead of being hoisted, has better stress condition, very small deformation in the transportation process, no shaking and instability problems and small start-stop inertia.
5. The turnout track changing equipment combined by the track walking platform and the portal frame type rail lifting panel device carries turnout rail panels by depending on a road-rail dual-purpose platform, and when the turnout track changing equipment runs on a trackless track bed, the actual running width area is basically fixed and smaller than the maximum width of the turnout rail panels, so that the turnout changing equipment is more suitable for the limitation of turnout changing site.
6. The turnout changing and laying equipment formed by combining the track walking platform and the portal frame type rail lifting panel device has the advantage that the equipment cannot exceed the limit to influence the normal passing of adjacent lines in the construction process of laying and changing the turnout.
Drawings
FIG. 1 is a schematic view of the gantry-type track lifting panel apparatus of the present invention picking up a track-running platform from a flat car;
FIG. 2 is a schematic view of the operation of a railroad switch changing and laying apparatus of the present invention;
FIG. 3 is a longitudinal view of a schematic representation of the track running platform of the embodiment of FIG. 1;
FIG. 4 is a transverse view of the track running platform of FIG. 3;
FIG. 5 is a schematic structural view of the door frame type track lifting device in the embodiment of FIG. 1;
the numerical designations in fig. 1-5 mean:
1 crawler traveling platform 2 portal frame type track lifting panel device 3 flat transport vehicle
4 turnout 1.1 platform vehicle frame 1.2 lifting platform
1.3 bearing platform 1.4 clamp 1.5 vertical support device
1.6 lifting device 1.7 supporting device 1.8 vertical lifting device
1.9 crawler track walking device 1.10 walking steel wheel 2.1 vertical lifting device
2.2 crossbeam 2.3 sideslip device 2.4 indulges and moves device
2.5 Rail lifting device 2.6 running steel wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiment 1.1. an apparatus for railroad switch replacement, as shown in fig. 1 to fig. 4, comprises a track walking platform 1 and a gantry type rail lifting device 2, wherein during operation, the track walking platform and the gantry type rail lifting device are transported to a switch replacement site through a flat car, the gantry type rail lifting device 2 puts down support legs of a vertical oil cylinder 2.1, supports the track walking platform and the flat car to empty, and pours out the flat car, at the moment, the track walking platform transversely moves to the lower part of the gantry type rail lifting device through the flat car 3, the gantry type rail lifting device lifts the track walking platform through the action of a vertical lifting device 2.1 and a rail lifting device 2.5, then, the flat car backs up again, and the gantry type rail lifting device takes the track walking platform from the flat car to a track. The other mode is that the crawler traveling platform is temporarily erected with an inclined track or an inclined platform and is self-arranged on the track steel rail through the crawler traveling device.
The crawler traveling platform comprises a lifting platform 1.2, a lifting device 1.8 and a vertical supporting device 1.5 are connected below the lifting platform 1.2 and are connected with the lifting platform 1.2 and a platform frame 1.1 through joint bearings, a bearing platform 1.3 is arranged above the lifting platform, and two pairs of clamps 1.4 are arranged on the bearing platform in the transverse direction; and a rotary bearing is arranged below the bearing platform 1.3 and connected with the lifting platform 1.2. The platform frame 1.1 is connected with a crawler walking device 1.9 through a lifting device 1.6 and a supporting device 1.7, and is connected with parts which are all provided with similar joint bearings and can freely turn. When the crawler traveling platform is in the crawler traveling state, the lifting device 1.6 is in the maximum travel state, the vertical height of the traveling lower edge of the steel wheel is smaller than the vertical height of the lower edge of the crawler traveling device 1.9, when the crawler traveling platform is in the crawler traveling state, the lifting device 1.6 is in the minimum travel shortening state, and the vertical height of the traveling lower edge of the steel wheel is larger than the vertical height of the lower edge of the crawler traveling device 1.9.
Preferably, clamps are arranged on the support platform 1.3 in order to adjust the clamped railroad switch sleeper.
Four traveling steel wheels 1.10 are arranged at the lower part of the platform frame 1.1 and are driven by hydraulic motors or electric motors and the like indirectly or indirectly
Preferably, the running of the track can be replaced by running of the tires.
The maximum lifting stroke of a vertical lifting device 1.8 connected below a lifting platform 1.2 of the crawler traveling platform is not less than 0.5 meter, the transverse moving stroke of two clamps 1.4 on a bearing platform is +/-0.6 meter, and the horizontal rotating range of a rotating bearing connecting the bearing platform 1.3 and the lifting platform 1.2 is +/-25 degrees.
The portal type track lifting panel device 2 comprises a vertical lifting device 2.1, the vertical lifting device 2.1 is connected with a cross beam 2.2, a transverse moving device 2.3 is connected between the cross beams 2.2, the cross beam is also connected with a longitudinal moving device 2.4, the lower part of the longitudinal moving device is connected with a track lifting device 2.5, and the lower part of the cross beam is also connected with a traveling steel wheel 2.6.
The portal frame type rail lifting panel device 2 stretches across the whole set of turnouts through the work of the vertical lifting device 2.1 and the transverse moving device 2.2, grabs the whole set of turnouts through the rail lifting device 2.5, and realizes the longitudinal moving function of the cross beam through the longitudinal moving device 2.4.
The transverse moving device of the portal type track lifting panel device can adopt a multi-stage oil cylinder mode, and the working stroke of the transverse moving device is that the maximum inner width of the left and right cross beams 2.2 can reach the range of 4.5-5.5 meters. The vertical lifting device 2.1 can also adopt a mode of a multi-stage oil cylinder, and the working stroke of the vertical lifting device ensures that the height of the working surface of the rail lifting device of the portal type rail lifting panel device from the line rail surface reaches the range of 2-3 meters to the maximum. The longitudinal moving device 2.4 can adopt a mode of an oil cylinder, and the stroke of the longitudinal moving device is not less than 0.5 m
Example 1.2. an apparatus for railroad switch replacement, the same as example 1.1, except that: the crawler track platform 1 and the portal-type track lifting bar device 2 are shown in fig. 1. The crawler traveling platform 1 is lifted from the flat car 3 through the portal type track lifting panel device 2 and falls onto the steel rail, and the working state ensures that the portal type track lifting panel device 2 does not exceed the height of a national iron limit.
Example 1.3 an apparatus for railroad switch replacement, the same as example 1.1, except that: the crawler traveling platform is a highway-railway dual-purpose platform device, the highway-railway dual-purpose platform device comprises a lifting platform 1.2, a lifting device 1.8 and a vertical supporting device 1.5 are connected below the lifting platform 1.2 and are connected with the lifting platform 1.2 and a platform frame 1.1 through joint bearings, a bearing platform 1.3 is arranged above the lifting platform 1.2, and two pairs of clamps 1.4 are arranged in the transverse direction of the bearing platform 1.3; the platform frame 1.1 is connected with the crawler belt running device 1.8 through the lifting device 1.6 and the supporting device 1.7, and the parts of the joint bearing free steering are arranged on the supporting device 1.7 and the crawler belt running device 1.9.
Example 2.1: an operation method for railway turnout replacement comprises the following steps: the multiple portal type track lifting panel devices 2 run to the upper side of a turnout 4 to be replaced through walking steel wheels 2.6, the connection of the two ends of the turnout 4 is manually dismantled, the portal type track lifting panel devices 2 grab the whole set of turnout 4 through track lifting devices 2.5, then the transverse moving devices 2.3 and the vertical devices 2.1 act and lift the whole set of turnout 4, then the multiple track walking platforms 1 enter the lower side of the whole set of turnout 4 through walking crawler devices 1.9, the portal type track lifting panel devices 2 put down the whole set of turnout 4 on the track walking platform 1 corresponding to the lower side of the portal type track lifting panel devices, the track walking platform 1 carries the whole set of turnout 4 and the portal type track lifting panel devices 2 to leave a trackless turnout area, when the turnout reaches a track with a rail, the track walking platform 1 is switched to a walking mode of walking steel wheels 1.10, the turnout is walked on the rail, and the turnout 3 to be replaced is carried away from a construction.
Example 2.2: an operation method for railway turnout replacement comprises the following steps: and assembling the new turnout 4 on a construction site assembly platform into an integral turnout track panel, or assembling the turnout track panel into a segmented track panel in a special stock yard and then transporting the turnout track panel to an installation site by a turnout transport vehicle. A plurality of portal type track lifting panel devices 2 are moved to a new turnout 4 by moving steel wheels 2.6, a track lifting device 2.5 goes deep into the bottom of a steel rail and grabs the steel rail, then a vertical device 2.1 extends out to lift a new turnout 3, and simultaneously the new turnout 4 is picked up on a track moving platform 1 by matching with the transverse movement of a transverse moving device 2.3, the track moving platform 1 moves by the track moving device and carries the new turnout 3 and the portal type track lifting panel devices 2 to a trackless turnout area, a portal type track lifting panel device 2 lifts the new turnout 3 by lifting the support legs of the vertical device 2.1 on a track bed, at the moment, the track moving platform 1 is separated from the new turnout 3 and the portal type track lifting panel device 2 and withdraws from the turnout area, then the vertical device 2.1 of the portal type track lifting panel device 2 retracts to drop the new turnout 3 and enter the turnout area, after the new turnout 3 is qualified, the vertical device 2.1 and the vertical device 2.5 of the portal type track lifting panel device 2.1, then the steel rails of the new turnout 3 are walked along by the walking steel wheels 2.6 and are withdrawn from the turnout area.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or equivalent modifications, without departing from the spirit and scope of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. An apparatus for railroad switch exchange, characterized by: the device comprises a highway and railway dual-purpose platform device and a portal frame type rail lifting panel device (2), wherein the highway and railway dual-purpose platform device comprises a lifting platform (1.2), a lifting device (1.8) and a vertical supporting device (1.5) are connected to the lower portion of the lifting platform (1.2), the lifting platform (1.2) and a platform frame (1.1) are connected through a joint bearing, a bearing platform (1.3) is arranged above the lifting platform (1.2), and two pairs of clamps (1.4) are arranged in the transverse direction of the bearing platform (1.3); the platform frame (1.1) is connected with the crawler belt running device (1.9) through the lifting device (1.6) and the supporting device (1.7), and the supporting device (1.7) and the crawler belt running device (1.9) are connected with parts with joint bearings for free steering.
2. The apparatus for railroad switch interchange as claimed in claim 1, wherein: the load-bearing platform (1.3) is provided with a clamp so as to be adjusted to the clamped railroad switch sleeper.
3. The apparatus for railroad switch interchange as claimed in claim 1 or 2, characterized in that: four traveling steel wheels (1.10) are arranged at the lower part of the platform frame (1.1) and are directly or indirectly driven by a hydraulic motor or an electric motor.
4. The apparatus for railroad switch interchange as claimed in claim 3, wherein: the crawler belt running device (1.9) adopts a tire running mode to replace the crawler belt running mode.
5. The apparatus for railroad switch interchange as claimed in claim 3, wherein: the maximum lifting stroke of a lifting device (1.8) connected below a lifting platform (1.2) of the highway-railway dual-purpose platform device is not less than 0.5 meter, the transverse moving stroke of two clamps (1.4) on a bearing platform is +/-0.6 meter, and the horizontal rotating range of a rotating bearing connecting the bearing platform (1.3) and the lifting platform (1.2) is +/-25 degrees.
6. The apparatus for railroad switch interchange as claimed in claim 3, wherein: the portal type rail lifting panel device comprises a vertical lifting device (2.1), the vertical lifting device is connected with a cross beam (2.2), a transverse moving device (2.3) is connected between the cross beam (2.2), the cross beam (2.2) is further connected with a longitudinal moving device (2.4), the lower part of the longitudinal moving device is connected with a rail lifting device (2.5), and the lower part of the cross beam (2.2) is further connected with a walking steel wheel (2.6).
7. The apparatus for railroad switch interchange as claimed in claim 3, wherein: the portal frame type rail lifting panel device (2) stretches across the whole set of turnouts through the work of the vertical lifting device (2.1) and the transverse moving device (2.3), the whole set of turnouts is grabbed through the rail lifting device (2.5), and the longitudinal moving function of the cross beam is realized through the longitudinal moving device (2.4).
8. The apparatus for railroad switch interchange as claimed in claim 3, wherein: the transverse moving device of the portal frame type track lifting panel device adopts a multi-stage oil cylinder mode, and the working stroke of the transverse moving device is the inner width of a left cross beam (2.2) and a right cross beam (2.2), namely, the maximum working stroke can reach the range of 4.5-5.5 meters.
9. The apparatus for railroad switch interchange as claimed in claim 3, wherein: the vertical lifting device (2.1) adopts a multi-stage oil cylinder mode, and the working stroke of the vertical lifting device ensures that the height of the working surface of the rail lifting device of the portal type rail lifting panel device from the line rail surface reaches the range of 2-3 meters to the maximum.
10. The apparatus for railroad switch interchange as claimed in claim 3, wherein: the stroke of the longitudinal moving device (2.4) is not less than 0.5 meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921149554.2U CN211547115U (en) | 2019-07-22 | 2019-07-22 | Equipment for laying and replacing railway turnout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921149554.2U CN211547115U (en) | 2019-07-22 | 2019-07-22 | Equipment for laying and replacing railway turnout |
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| Publication Number | Publication Date |
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| CN211547115U true CN211547115U (en) | 2020-09-22 |
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| CN201921149554.2U Active CN211547115U (en) | 2019-07-22 | 2019-07-22 | Equipment for laying and replacing railway turnout |
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|---|---|
| CN (1) | CN211547115U (en) |
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- 2019-07-22 CN CN201921149554.2U patent/CN211547115U/en active Active
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