Combined contact rail correction device for electrified railway

Abstract

The utility model provides a combined contact rail correcting device for an electrified railway, and relates to the technical field of railway equipment. The contact rail correcting device comprises a main beam, a jacking piece, a fixing piece and a driving piece. The jacking piece is arranged on the main beam; the fixing pieces are detachably arranged on the main beam and located on the two sides of the jacking piece, and the fixing pieces are used for being arranged on the electrified contact rail in a sleeving mode; the driving piece is arranged on the main beam, and the output end of the driving piece is used for driving the jacking piece to move. The contact rail correcting device can show good universality for different rail types, adjustment can be completed only by replacing the fixing piece and the jacking piece which are matched with the rail type of the contact rail, and the application range is wide. Therefore, the contact rail correction device shows obvious technical advantages in the aspects of portability, universality, correction quality and the like, and a more efficient and reliable solution is provided for adjustment of the electrified railway contact rail.

Description

Technical Field

[0001] This utility model relates to the field of railway equipment technology, and more specifically, to a combined contact rail correction device for electrified railways. Background Technology

[0002] Currently, in the field of rail installation and maintenance, rail bending equipment is commonly used to pre-bend or straighten the contact rail in the factory. This method can achieve high adjustment accuracy, but when the contact rail is large, the transportation, installation, and dismantling processes become quite difficult, leading to a significant increase in construction costs. Therefore, this method is generally only suitable for installation on newly built lines and cannot meet the needs of on-site maintenance and upkeep of existing lines during operation.

[0003] It is evident that existing contact rail adjustment methods all have limitations to varying degrees, and there is an urgent need for a more efficient, convenient, and adaptable technical solution to simultaneously meet the needs of new line installation and on-site maintenance of existing lines. Utility Model Content

[0004] The purpose of this invention is to provide a combined contact rail correction device for electrified railways. It has a simple structure and can achieve contact rail correction more efficiently and reliably. It is portable and versatile while ensuring correction quality.

[0005] The embodiments of this utility model are implemented as follows:

[0006] In a first aspect, this utility model provides a combined contact rail straightening device for electrified railways, comprising:

[0007] Main beam;

[0008] A top support member, wherein the top support member is disposed on the main beam;

[0009] A fastener is detachably mounted on the main beam and located on both sides of the top support member, and the fastener is used to be sleeved on the contact rail;

[0010] A driving component is disposed on the main beam, and the output end of the driving component is used to drive the top support component to move.

[0011] In an optional embodiment, the fixing member includes a fixing body, the fixing body includes a first arm and a second arm connected to both ends of the first arm, and the opposing wall surfaces of the two second arms are provided with recessed slots, the slots being used to hold the top or bottom wall of the main beam to restrict the contact rail between the first arm, the second arm and the side wall of the main beam.

[0012] In an optional embodiment, the fastener further includes a locking member, the second arm is provided with a first through hole, the top wall and bottom wall of the main beam are provided with second through holes, and the locking member passes through the first through hole and the second through hole.

[0013] In an optional embodiment, both ends of the top and bottom walls of the main beam are provided with a plurality of second through holes, and the plurality of second through holes are arranged sequentially along the length direction of the main beam.

[0014] In an optional embodiment, the fastener further includes an anti-detachment component. One end of the locking component is provided with an anti-detachment portion, the size of which is larger than the size of the first through hole. The other end is provided with an anti-detachment hole, and the anti-detachment component passes through the anti-detachment hole.

[0015] In an optional embodiment, the supporting member has a supporting surface on the side away from the driving member, and the supporting surface is in the shape of a convex arc, which is used to support the contact rail.

[0016] In an optional embodiment, the top support is provided with a guide rod, the main beam is provided with a guide hole, and the guide rod passes through the guide hole.

[0017] In an optional embodiment, the top support protrudes from one side of the drive member and has a drive portion that is cylindrical and is used for the output end of the drive member to extend into.

[0018] In an optional embodiment, the main beam includes a top wall, a first side wall, a bottom wall, and a second side wall, wherein the first side wall and the second side wall are disposed opposite to each other between the top wall and the bottom wall;

[0019] A third through hole is provided at the corresponding part of the first sidewall and the second sidewall. The top holding member is movably disposed at the third through hole. The driving member is disposed on the second sidewall and is used to drive the top holding member to move along the first sidewall away from the second sidewall.

[0020] In an optional embodiment, the top wall and the bottom wall have the same structure and are both T-shaped.

[0021] The beneficial effects of the combined contact rail straightening device for electrified railways provided in this embodiment include: by detachably connecting the fixing member to the main beam, the fixing member can be fixedly connected to the main beam after being fitted onto it, which not only facilitates the fixing of the contact rail but also adapts to different types of contact rails; based on this, the driving member pushes the top holding member to move, thereby holding the contact rail fixed to one side of the main beam by the fixing member, thus correcting the plastic deformation of the contact rail. Therefore, the contact rail straightening device provided by this invention can not only achieve contact rail straightening more efficiently and reliably, but also ensure straightening quality while being portable and versatile; moreover, it exhibits good versatility for different rail types, requiring only the replacement of the fixing member and top holding member that match the contact rail type to complete the adjustment, making it widely applicable. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 A schematic diagram of the combined contact rail correction device and contact rail structure for electrified railways provided in this embodiment of the utility model;

[0024] Figure 2 A first-view structural schematic diagram of the combined contact rail correction device for electrified railways provided in an embodiment of this utility model;

[0025] Figure 3 Exploded view of the combined contact rail straightening device for electrified railways provided in this embodiment of the utility model;

[0026] Figure 4 A schematic diagram of the fastener structure provided in an embodiment of this utility model;

[0027] Figure 5 This is a second-view structural schematic diagram of the combined contact rail correction device for electrified railways provided in an embodiment of the present invention.

[0028] Icons: 10-Combined contact rail straightening device for electrified railways; 100-Main beam; 110-Second through hole; 120-Guide hole; 130-Third through hole; 140-Top wall; 150-First side wall; 160-Bottom wall; 170-Second side wall; 180-Fixing plate; 200-Top holding component; 210-Top holding surface; 220-Guide rod; 300-Fixing component; 310-Fixing body; 311-First arm; 312-Second arm; 313-Slot; 314-First through hole; 320-Locking component; 321-Anti-detachment part; 322-Anti-detachment hole; 330-Anti-detachment component; 400-Drive component; 11-Contact rail. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0031] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0032] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0033] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0034] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0035] Currently, there are two main adjustment methods in the field of rail installation and maintenance. The first method involves pre-bending or straightening the contact rail in the factory using rail bending equipment. This method can achieve high adjustment accuracy, but when the contact rail is large, the transportation, installation, and dismantling processes become quite difficult, leading to a significant increase in construction costs. Therefore, this method is usually only suitable for installation on newly built lines and cannot meet the needs of on-site maintenance and repair of existing lines during operation. The second method involves using integrally cast or welded straightening devices for on-site bending and adjustment. However, this type of device is bulky and inconvenient to carry, limiting its application flexibility in narrow or complex environments.

[0036] It is evident that existing contact rail adjustment methods all have limitations to varying degrees, and there is an urgent need for a more efficient, convenient, and adaptable technical solution to simultaneously meet the needs of new line installation and on-site maintenance of existing lines.

[0037] Based on the problems existing in the prior art, this utility model provides a combined contact rail straightening device for electrified railways, which is applied to the field of contact rail straightening, especially suitable for the combined straightening device for bending and straightening of contact rails (steel-aluminum composite rails) used in subways or urban rail transit; in addition, it is also suitable for on-site top adjustment operations of various types of contact rails. Taking the contact rail placed with the bottom facing down as an example, it can be top adjusted and straightened vertically or perpendicular to the side of the rail web.

[0038] The combined contact rail straightening device for electrified railways provided by this utility model has significant advantages such as lightweight structure, strong versatility, and high straightening quality accuracy.

[0039] In addition, regarding the quality of straightening, after the movable mandrel is installed in conjunction with the main beam and safety pin, the sufficient contact range effectively solves the problem of torsional deformation caused by the top adjustment force imbalance of traditional integral casting straightening devices, avoids additional spiral deformation, and thus accurately controls the top adjustment state of the contact rail, ensuring that the straightening accuracy reaches a high level.

[0040] For details, please refer to Figures 1 to 5 The combined contact rail straightening device 10 for electrified railways includes a main beam 100, a top support 200, a fixing component 300, and a driving component 400.

[0041] The top support 200 is disposed on the main beam 100; the fixing member 300 is detachably disposed on the main beam 100 and located on both sides of the top support 200, and the fixing member 300 is used to be sleeved on the contact rail 11; the driving member 400 is disposed on the main beam 100, and the output end of the driving member 400 is used to drive the top support 200 to move.

[0042] First, it should be noted that the contact rail 11 is a contact rail for electrified railways, or it can be an I-shaped workpiece with the same shape, etc., without specific limitations.

[0043] In this embodiment, the fastener 300 is detachably connected to the main beam 100 so that the fastener 300 can be fixedly connected to the main beam 100 after being fitted onto it. This not only facilitates the fixing of the contact rail 11, but also allows for the adaptation to different types of contact rails 11. On this basis, the drive member 400 pushes the top member 200 to move, thereby supporting the contact rail 11 that is fixed to one side of the main beam 100 by the fastener 300, thus correcting the plastic deformation of the contact rail 11.

[0044] Therefore, the combined contact rail straightening device 10 for electrified railways provided by this utility model exhibits extremely high adaptability to different rail types. Adjustment can be completed simply by replacing the fixing component 300 and the supporting component 200 that match the contact rail type, making it widely applicable. Taking the rail bottom downwards as an example, it not only enables vertical adjustment of the contact rail but also supports lateral adjustment of the top rail web, offering diverse functions and economic practicality. Thus, the combined contact rail straightening device 10 for electrified railways demonstrates significant technical advantages in portability, versatility, and straightening quality, providing a more efficient and reliable solution for adjusting the contact rail 11.

[0045] It is understood that there are at least two fasteners 300, and the at least two fasteners 300 are respectively set on both sides of the top support 200, so that when the contact rail 11 is fixed by at least two fasteners 300, the driving member 400 can smoothly drive the top support 200 to act on the contact rail 11 and perform correction.

[0046] Furthermore, the fastener 300 includes a fastener 310, which includes a first arm 311 and a second arm 312 connected to both ends of the first arm 311. The first arm 311 is connected to the two second arms 312 in a C-shape. The opposing walls of the two second arms 312 are provided with recessed slots 313. The slots 313 are used to hold the top wall 140 or bottom wall 160 of the main beam 100 to restrict the contact rail 11 between the first arm 311, the second arm 312 and the side wall of the main beam 100.

[0047] In this embodiment, by engaging the slots 313 of the two second arms 312 with the top wall 140 and bottom wall 160 of the main beam 100 respectively, the contact rail 11 is fixed to one side of the main beam 100 by the fixing body 310.

[0048] It should be noted that the driving component 400 is located on the side of the main beam 100 away from the first arm 311 of the fixing body 310. Therefore, when the driving component 400 pushes the top holding component 200 to hold the contact rail 11, the first arm 311 plays a role in fixing and restricting the contact rail 11.

[0049] Optionally, the drive unit 400 may be, but is not limited to, a hydraulic jacking cylinder.

[0050] Furthermore, in order to further improve the stability of the fastener 300 when fixing the contact rail 11, the fastener 300 also includes a locking member 320. The second arm 312 is provided with a first through hole 314, and the top wall 140 and bottom wall 160 of the main beam 100 are provided with a second through hole 110. The locking member 320 passes through the first through hole 314 and the second through hole 110.

[0051] In this embodiment, the first through hole 314 penetrates the slot 313. Therefore, by sequentially passing the locking member 320 through the first through hole 314 of the second arm 312, the second through hole 110 of the top wall 140 of the main beam 100, the second through hole 110 of the bottom wall 160 of the main beam 100, and the first through hole 314 of the second arm 312, the fixing body 310 is restricted in the length direction of the main beam 100, so as to ensure that the fixing member 300 can fix the contact rail 11 more stably and firmly.

[0052] It is worth mentioning that both ends of the top wall 140 and bottom wall 160 of the main beam 100 are provided with multiple second through holes 110, and the multiple second through holes 110 are arranged sequentially along the length direction of the main beam 100.

[0053] In this embodiment, the fixing body 310 can be fixed at different positions of the second through hole 110 by the locking member 320 according to the length of the contact rail 11 or the correction requirements, thereby improving the adaptability of the combined contact rail correction device 10 for electrified railways.

[0054] Furthermore, in order to further improve the stability of the fixing member 300 when fixing the contact rail 11, the fixing member 300 also includes an anti-detachment member 330. One end of the locking member 320 is provided with an anti-detachment part 321, the size of which is larger than the size of the first through hole 314, and the other end is provided with an anti-detachment hole 322. The anti-detachment member 330 passes through the anti-detachment hole 322.

[0055] In this embodiment, since the locking member 320 is in a vertical position when installed, an anti-detachment part 321 is provided at the top of the locking member 320 to prevent the locking member 320 from passing through the first through hole 314 and the second through hole 110 and falling off in the downward direction; in addition, an anti-detachment member 330 is provided through the anti-detachment hole 322 at the bottom of the locking member 320 to prevent the locking member 320 from passing through the first through hole 314 and the second through hole 110 and falling off in the upward direction.

[0056] Optionally, the anti-loosening component 330 can be other anti-loosening structures such as a nut connection, and is not limited to a cotter pin.

[0057] Furthermore, a top holding surface 210 is provided on the side of the top holding member 200 away from the driving member 400. The top holding surface 210 is convex arc-shaped and is used to hold the contact rail 11.

[0058] In this embodiment, by setting the supporting surface 210 for supporting the contact rail 11 to a convex arc shape, it is easier for the supporting surface 210 to support the contact rail 11 in a bent shape.

[0059] Furthermore, in order to ensure that the driving member 400 pushes the top member 200 to move in the same direction, thereby ensuring the correction quality and effect, a guide rod 220 is provided on the side of the top member 200 near the driving member 400, and a guide hole 120 is provided on the main beam 100, through which the guide rod 220 passes.

[0060] Furthermore, the top support 200 has a driving part protruding from the side facing the driving member 400. The driving part is cylindrical and is used for the output end of the driving member 400 to extend into it.

[0061] In this embodiment, during the process of the driving member 400 pushing the top member 200, the output end of the driving member 400 is extended into the driving part of the top member 200 to further ensure the stability of the driving member 400.

[0062] Furthermore, the main beam 100 includes a top wall 140, a first side wall 150, a bottom wall 160, and a second side wall 170, with the first side wall 150 and the second side wall 170 disposed opposite to each other between the top wall 140 and the bottom wall 160.

[0063] A third through hole 130 is provided at the corresponding part of the first sidewall 150 and the second sidewall 170. The top support 200 is movably disposed at the third through hole 130. The driving member 400 is disposed on the second sidewall 170 and is used to drive the top support 200 to move along the first sidewall 150 away from the second sidewall 170.

[0064] It is understood that multiple fixing plates 180 are provided between the first sidewall 150 and the second sidewall 170, and guide holes 120 are provided on the fixing plates 180; second through holes 110 are provided at both ends of the top wall 140 and the bottom wall 160 in the length direction.

[0065] In detail, the top wall 140 and the bottom wall 160 have the same structure and are both T-shaped.

[0066] In this embodiment, the top wall 140 and bottom wall 160 of the main beam 100 adopt a T-shaped design. By combining and installing with the fastener 300, the contact rail 11 to be adjusted can be fitted and fixed and operated. Compared with the traditional integral casting straightening device, the combined contact rail straightening device 10 for electrified railways provided in this embodiment is smaller in size and lighter in weight, which greatly improves the portability and on-site operation efficiency.

[0067] In summary, this utility model provides a combined contact rail straightening device 10 for electrified railways. By detachably connecting the fixing member 300 to the main beam 100, the fixing member 300 can be fixedly connected to the main beam 100 after being fitted onto it. This not only facilitates the fixing of the contact rail 11 but also adapts to different types of contact rails 11. Furthermore, the driving member 400 pushes the supporting member 200 to move, thereby supporting the contact rail 11 fixed to one side of the main beam 100 by the fixing member 300, thus correcting the plastic deformation of the contact rail 11. Therefore, the combined contact rail straightening device 10 for electrified railways provided by this utility model has a simple structure and can achieve more efficient and reliable correction of the contact rail 11, while also ensuring correction quality through portability and versatility.

[0068] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A combined contact rail straightening device for electrified railways, characterized in that, include: Main beam; A top support member, wherein the top support member is disposed on the main beam; A fastener is detachably mounted on the main beam and located on both sides of the top support member, and the fastener is used to be sleeved on the contact rail; A driving component is disposed on the main beam, and the output end of the driving component is used to drive the top support component to move.

2. The combined contact rail straightening device for electrified railways according to claim 1, characterized in that, The fixing component includes a fixing body, which includes a first arm and a second arm connected to both ends of the first arm. The opposing walls of the two second arms are provided with recessed slots, which are used to hold the top or bottom wall of the main beam to restrict the contact rail between the first arm, the second arm and the side wall of the main beam.

3. The combined contact rail straightening device for electrified railways according to claim 2, characterized in that, The fastener also includes a locking member. The second arm is provided with a first through hole, and the top and bottom walls of the main beam are provided with second through holes. The locking member passes through the first through hole and the second through hole.

4. The combined contact rail straightening device for electrified railways according to claim 3, characterized in that, The top and bottom walls of the main beam are each provided with a plurality of second through holes, and the plurality of second through holes are arranged sequentially along the length of the main beam.

5. The combined contact rail straightening device for electrified railways according to claim 3, characterized in that, The fastener also includes an anti-detachment component. One end of the locking component is provided with an anti-detachment part, the size of which is larger than the size of the first through hole. The other end is provided with an anti-detachment hole, and the anti-detachment component passes through the anti-detachment hole.

6. The combined contact rail straightening device for electrified railways according to claim 1, characterized in that, The supporting member has a supporting surface on the side away from the driving member. The supporting surface is convex arc-shaped and is used to support the contact rail.

7. The combined contact rail straightening device for electrified railways according to claim 1, characterized in that, The top support is provided with a guide rod, and the main beam is provided with a guide hole, through which the guide rod passes.

8. The combined contact rail straightening device for electrified railways according to claim 1, characterized in that, The top support protrudes from one side of the drive member and has a drive section. The drive section is cylindrical and is used for the output end of the drive member to extend into it.

9. The combined contact rail straightening device for electrified railways according to claim 1, characterized in that, The main beam includes a top wall, a first side wall, a bottom wall, and a second side wall, with the first side wall and the second side wall disposed opposite to each other between the top wall and the bottom wall; A third through hole is provided at the corresponding part of the first sidewall and the second sidewall. The top holding member is movably disposed at the third through hole. The driving member is disposed on the second sidewall and is used to drive the top holding member to move along the first sidewall away from the second sidewall.

10. The combined contact rail straightening device for electrified railways according to claim 9, characterized in that, The top and bottom walls have the same structure and are both T-shaped.

Images