A welding apparatus for rails
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU RUITAI ENGINEERING MACHINERY CO LTD
- Filing Date
- 2025-07-14
- Publication Date
- 2026-07-24
Smart Images
Figure CN224543509U_ABST
Abstract
Description
Technical Field
[0001] This disclosure generally relates to the field of railway line maintenance technology. More specifically, this disclosure relates to a welding device for rails. Background Technology
[0002] Rail welding, constrained by the complex construction environment, currently relies primarily on manual aluminothermic welding. Due to the limitations of its welding principle, the weld seam has a cast-like structure, resulting in inferior mechanical properties compared to welding methods like flash welding. Furthermore, it is easily affected by factors such as the construction environment, climate conditions, and operator skills, ultimately leading to significant quality deviations and a short service life for the rails. Currently, rail welding is transitioning towards flash welding. Traditional flash welding machines and methods, especially in turnout welding operations, are often limited by the complex construction environment, making it difficult to transport the welding equipment to the welding position.
[0003] In view of this, there is an urgent need to provide a welding device for rails so that the welding device can be transported to the welding position through convenient operation. Utility Model Content
[0004] In order to at least address one or more of the technical problems mentioned above, this disclosure proposes a welding apparatus for rails.
[0005] This disclosure provides a welding device for rails, comprising: a welding vehicle including a welding machine and a frame for carrying the welding machine; a connecting frame connected to the frame; and an adjustment platform including a fixed frame and an adjustment mechanism fixedly disposed on the fixed frame, the fixed frame being detachably connected to the connecting frame, the adjustment mechanism including a vertical adjustment component and a horizontal adjustment component, the vertical adjustment component being movable by being driven by the horizontal adjustment component, and the vertical adjustment component being drivenly connected to the welding machine.
[0006] In some embodiments, the vertical adjustment assembly includes a lifting assembly and a lifting hook driven by the lifting assembly. The lifting assembly is connected to the lifting hook by means of a sling and is capable of lifting the welding machine by means of the lifting hook.
[0007] In some embodiments, the adjustment platform further includes a telescopic support member, which includes a fixed portion fixed relative to the fixed frame and a telescopic portion that can extend and retract relative to the fixed frame, wherein the telescopic portion can lift the fixed frame when it extends.
[0008] In some embodiments, the lateral adjustment component includes a guide, a lateral moving member disposed on the guide, and a lateral drive member. The guide is capable of guiding the lateral moving member in a lateral direction perpendicular to the track extension direction, and the lateral drive member is drivenly connected to the lateral moving member to drive the lateral moving member to move.
[0009] In some embodiments, the guide includes a guide beam fixedly connected to the fixing frame, and the lateral movement includes an adjusting sleeve sleeved on the guide beam.
[0010] In some embodiments, the lateral drive component includes a drive cylinder, the fixed end of which is fixedly connected to a fixed frame, and the extended end of which is fixedly connected to the lateral moving component.
[0011] In some embodiments, a lubrication plate is provided on the side of the guide beam, and an oil reservoir is provided on the lubrication plate.
[0012] In some embodiments, the adjusting sleeve is provided with a guide wheel, which is adjacent to the guide beam to reduce friction when the adjusting sleeve moves.
[0013] In some embodiments, the vertical adjustment assembly includes a lifting assembly and a lifting hook driven by the lifting assembly. The lifting assembly is connected to the lifting hook by means of a sling and is capable of lifting the welding machine by means of the lifting hook. The vertical adjustment assembly also includes an auxiliary pulley disposed on the lateral moving part.
[0014] In some embodiments, two guide wheels spaced apart laterally are provided on the upper side of the lateral moving member, and an auxiliary pulley is disposed between the two guide wheels.
[0015] With the welding equipment for tracks provided above, the embodiments disclosed herein, by setting up a movable welding carriage and a connecting frame detachable relative to the adjustment platform, can flexibly move the welding equipment along the track and conveniently adjust the welding position, thereby improving welding efficiency. Attached Figure Description
[0016] The above and other objects, features, and advantages of exemplary embodiments of this disclosure will become readily apparent upon reading the following detailed description with reference to the accompanying drawings. In the drawings, several embodiments of this disclosure are illustrated by way of example and not limitation, and like or corresponding reference numerals denote like or corresponding parts, wherein: Figure 1 An exemplary perspective view of a welding apparatus for rails, representing some embodiments of this disclosure, is shown; Figure 2 An exemplary perspective view of an adjustment platform for a welding apparatus for rails, according to some embodiments of this disclosure, is shown; Figure 3 An exemplary perspective view of a connection frame for a welding apparatus for a track, according to some embodiments of this disclosure, is shown; Figure 4 An exemplary perspective view of an adjustment mechanism for a welding apparatus for a track, according to some embodiments of this disclosure, is shown. Figure 5 It shows Figure 4 A cross-sectional schematic diagram; Figure 6 An exemplary top view of an adjustment platform for a welding apparatus for rails, according to some embodiments of this disclosure, is shown; Figure 7 An exemplary side view of an adjustment platform for a welding apparatus for rails, according to some embodiments of this disclosure, is shown; Figure 8 An exemplary side view of a telescopic support for a welding apparatus for a track, according to some embodiments of this disclosure, is shown. Figure 9 An exemplary perspective view of the frame of a welding apparatus for rails according to some embodiments of this disclosure is shown; Figure 10 An exemplary perspective view of the frame of a welding apparatus for rails according to some embodiments of this disclosure is shown; Figure 11 An exemplary perspective view of a welding apparatus for a track, according to some embodiments of this disclosure, is shown in an initial state on the track; Figure 12 An exemplary perspective view of a welding apparatus for a track, according to some embodiments of this disclosure, is shown in operation on the track; Figure 13 An exemplary perspective view of a welding apparatus for a track, according to some embodiments of this disclosure, is shown during a track change. Detailed Implementation
[0017] The technical solutions in the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this disclosure, not all of them. Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure.
[0018] It should be understood that the terms “comprising” and “including” used in this disclosure and claims indicate the presence of the described features, integrals, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or collections thereof.
[0019] It should also be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of this disclosure. As used in this disclosure and claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used in this disclosure and claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes such combinations.
[0020] As used in this specification and claims, the term "if" may be interpreted, depending on the context, as "when," "once," "in response to determination," or "in response to detection." Similarly, the phrase "if determined" or "if [described condition or event] is detected" may be interpreted, depending on the context, as "once determined," "in response to determination," "once [described condition or event] is detected," or "in response to detection of [described condition or event]."
[0021] The specific embodiments disclosed herein will now be described in detail with reference to the accompanying drawings.
[0022] This disclosure provides a welding device for tracks, which, by setting up a movable welding carriage and a connecting frame detachable relative to an adjustment platform, can flexibly move the welding device along the track and conveniently adjust the welding position, thereby improving welding efficiency.
[0023] See Figures 1 to 3 , Figure 1 An exemplary perspective view of a welding apparatus for rails, according to some embodiments of this disclosure, is shown. Figure 2 An exemplary perspective view of an adjustment platform for a welding apparatus for rails, according to some embodiments of this disclosure, is shown. Figure 3 An exemplary perspective view of a connection frame for a welding apparatus for rails, according to some embodiments of this disclosure, is shown.
[0024] In this embodiment, the welding equipment for the track includes a welding carriage 10, a connecting frame 20, and an adjustment platform 30, which are detachably connected in sequence. The welding carriage 10 includes a welding machine 11 and a frame 12 for supporting the welding machine 11. The connecting frame 20 is connected to the frame 12. The adjustment platform 30 includes a fixed frame 31 and an adjustment mechanism 32 fixedly mounted on the fixed frame 31. The fixed frame 31 is detachably connected to the connecting frame 20. The adjustment mechanism 32 includes a vertical adjustment component 321 and a horizontal adjustment component 322. The vertical adjustment component 321 can be moved by the horizontal adjustment component 322, and the vertical adjustment component 321 is driven to connect to the welding machine 11.
[0025] The frame 12 of the welding vehicle 10 is a wheeled structure, primarily used to support the welding machine 11, and is connected to the adjustment platform 30 via a connecting frame 20. The welding vehicle 10 can travel on the track 90 using its wheels to move the welding machine 11 to the welding area. It is understood that in some embodiments not shown, tracks or other components may also be provided on the frame 12 to assist the movement of the welding equipment. Alternatively, the welding vehicle 10 may be self-powered or moved manually. The welding machine 11 can be a welding actuator capable of performing track welding operations such as flash welding. It is mounted on the upper side of the frame 12 and can move along the track 90 as the frame 12 moves, activating when it reaches the corresponding welding position to perform welding operations on the track 90. The connecting frame 20 is a structure used to connect the welding vehicle 10 and the adjustment platform 30; its lower end is bolted to the frame 12 of the welding vehicle 10, and its upper end is bolted to the fixing frame 31. The connecting frame 20 can be formed by overlapping metal profiles or tubes. In this embodiment, it is formed by overlapping multiple square metal tubes. At the joints of the metal tubes, the metal tubes overlap each other by means of interface interlocking and are fixedly connected to each other by means of welding or threaded connection to enhance the overall structural strength of the connecting frame 20. In some embodiments, the connecting frame 20 is composed of four vertical tubes 21 and four horizontal tubes 22 overlapping each other. One or a portion of the four horizontal tubes 22 can be removed from the vertical tubes 21. This allows the welding carriage and the connecting frame to move relative to the adjustment platform after the adjustment platform is supported on the ground and the connecting frame is separated from the adjustment platform, while the welding machine is separated from the welding carriage from the side where the horizontal tubes 22 have been removed. It is understood that in some other embodiments, the connecting frame can also be configured to be completely detachable relative to the welding carriage.
[0026] Similar to the connecting frame 20, the fixing frame 31 of the adjusting platform 30 is also formed by overlapping metal profiles or pipes. These metal profiles or pipes are interlocked via interface snap-fit and fixed together by welding or threaded connections. The lateral adjusting component 322 of the adjusting mechanism 32 is fixedly connected to the fixing frame 31 on one hand, and driven by the vertical adjusting component 321 on the other. The vertical adjusting component 321 is connected to the lateral adjusting component 322 to receive its drive, and also driven by the welding machine 11 to adjust its position. The lateral adjusting component 322 moves the vertical adjusting component 321 laterally along the horizontal plane perpendicular to the track extension direction, while the vertical adjusting component 321 further moves the welding machine 11 vertically along the horizontal plane. Thus, by cooperating with the lateral adjusting component 322 and the vertical adjusting component 321, the position of the welding machine 11 can be adjusted simultaneously in both the lateral and vertical directions, allowing the welding machine 11 to perform welding operations on the areas to be welded on both sides of the track.
[0027] The connecting frame 20 is detachably connected to the fixed frame 31 on one hand, and to the frame 12 of the welding carriage 10 by bolting or other means on the other. This allows the welding machine 11 to be moved with the help of the vertical adjustment component 321 after the welding carriage 10 moves to the welding position on the track, and the frame 12 and connecting frame 20 to move relative to the adjustment platform 30 until the frame 12 and connecting frame 20 are completely separated from the adjustment platform 30 and the welding machine 11. At this time, the welding machine 11 can obtain a larger free working space so as to flexibly carry out welding operations with the help of the adjustment mechanism 32.
[0028] See also Figure 1 , Figure 4 and Figure 5 , Figure 4 An exemplary perspective view of an adjustment mechanism for a welding apparatus for rails, according to some embodiments of this disclosure, is shown. Figure 5 It shows Figure 4 A cross-sectional schematic diagram is provided. The vertical adjustment assembly 321 includes a hoisting assembly 3211 and a hoisting hook 3212 driven by the hoisting assembly 3211. The hoisting assembly 3211 is connected to the hoisting hook 3212 via a sling, and the hoisting hook 3212 can lift the welding machine 11. The hoisting assembly 3211 is a winding device driven by a motor or other drive mechanism, which can wind or unwind the sling wound on the winding device upon startup. The extended end of the sling is connected to the hoisting hook 3212. Thus, by activating the hoisting assembly 3211, the vertical position of the welding machine 11 can be adjusted. Meanwhile, since the lifting assembly 3211 is connected to the welding machine 11 via slings and lifting hook 3212, after lifting, the welding machine 11 can not only move vertically up and down under the drive of the lifting assembly 3211, but also swing laterally with the help of the slings, moving laterally or longitudinally along the track 90, thus compensating for the lateral and longitudinal positional adjustments of the welding machine 11. Furthermore, in this embodiment, the lifting hook 3212 is configured as a rotatable universal lifting hook, allowing the welding machine 11 to rotate a full circumference after being lifted, facilitating angle adjustments. This makes the positional adjustment of the welding machine 11 more flexible, while reducing the probability of needing to move and adjust the support position due to misalignment of the welding machine 11 in the longitudinal, lateral, or angular direction, thereby improving the efficiency of the welding operation.
[0029] See also Figure 1 , Figure 7 and Figure 8 , Figure 7 An exemplary side view of an adjustment platform for a welding apparatus for rails, according to some embodiments of this disclosure, is shown. Figure 8An exemplary side view of a telescopic support for a welding apparatus for rails according to some embodiments of this disclosure is shown. In this embodiment, the adjustment platform 30 further includes a telescopic support 33, which includes a fixed portion 331 fixed relative to a fixed frame 31, and a telescopic portion 332 capable of extending and retracting relative to the fixed frame 31, the telescopic portion 332 being able to lift the fixed frame 31 when extended. The fixed frame 31 is formed having a plurality of vertically extending support legs 311, the upper sides of which are fixedly connected to each other by a plurality of support beams 312 to support the adjustment mechanism 32, while the lower sides of which are connected to the telescopic support 33. The telescopic support 33 is a hydraulic cylinder, its cylinder body being the fixed portion 331 fixed to the lower side of one of the plurality of support legs 311, and its cylinder rod being the telescopic portion 332 capable of extending and retracting vertically relative to the cylinder body.
[0030] In the initial state of the welding equipment, the cylinder rod is retracted, causing the vertical lower side of the adjustment platform 30 to be suspended in the air by the connecting frame 20, without contact with the ground or other supports. The welding carriage 10 supports the adjustment platform 30 with the help of the connecting frame 20 and can move along the track 90 with its wheels. When the welding equipment moves to the welding position, the connecting frame 20 can be separated from the adjustment platform 30 manually or automatically, and then the cylinder rod can be extended. The distal end of the cylinder rod abuts against the ground or other supports, causing the adjustment platform 30 to rise as a whole. The adjustment mechanism 32 can then be connected to the welding machine 11 and raised vertically to separate it from the frame 12. By adjusting the extension length of each telescopic support 33, the adjustment platform 30 can be placed stably relative to the supports. Thus, the frame 12 and the connecting frame 20 can be separated from the adjustment platform 30, and the stable positioning of the adjustment platform 30 and the welding machine 11 can be completed in a simple step. It is understood that this disclosure does not limit the setting method of the adjustment platform. For example, in some embodiments not shown, a telescopic mechanism can be provided on the upper side of the connecting frame, and the adjustment platform can be raised by the telescopic mechanism in the initial state. When the welding equipment moves to the welding position, the adjustment platform is lowered by means of the telescopic mechanism, allowing the frame to be separated from the adjustment platform.
[0031] See also Figure 1 , Figure 9 and Figure 10 , Figure 9 An exemplary perspective view of the chassis of a welding apparatus for rails, according to some embodiments of this disclosure, is shown. Figure 10An exemplary perspective view of the frame of a welding apparatus for rails according to some embodiments of this disclosure is shown. In this embodiment, the frame 12 includes a car body 120 generally formed as a rectangular plate, and four wheels 129 respectively disposed at the four corners of the car body 120. The car body 120 is welded together from a longitudinally arranged bolster beam 121 and a reinforcing beam 122, a transversely arranged connecting beam 123, and a cover plate 124 disposed on one side of the bolster beam 121, the reinforcing beam 122, and the connecting beam 123, wherein the bottom side of the bolster beam 121 is designed with a weight-reducing groove. The upper side of the car body 120 is provided with a connecting seat 128 for connecting to a connecting frame 20. In the assembled state, the connecting seat 128 can be connected to the connecting frame 20 by means of plug-in or bolt connection. On the side of the vehicle body 120, four brake assemblies 127 corresponding to the four wheels are also provided. Each brake assembly 127 includes a brake plate 1271, a rotating rod 1272 extending from the brake plate 1271 toward the wheel surface, and a rubber block 1273 at the distal end of the rotating rod 1272. The rotating rod 1272 is threadedly connected to the brake plate 1271 and can be rotated out relative to the brake plate 1271. When the welding vehicle 10 needs to stop at a certain position, simply drive the rotating rod 1272 to rotate out relative to the brake plate 1271, so that the rubber block 1273 abuts against the wheel surface of the wheel 129, and the welding vehicle 10 can be stopped by the friction between the two.
[0032] See you again Figure 2 , Figure 4 and Figure 5In this embodiment, the lateral adjustment component 322 includes a guide member 3221, a lateral moving member 3222 disposed on the guide member 3221, and a lateral driving member 3223. The guide member 3221 can guide the lateral moving member 3222 in a lateral direction perpendicular to the extension direction of the track. The lateral driving member 3223 is drivenly connected to the lateral moving member 3222 to drive the lateral moving member 3222 to move. The guide member 3221 is a guide rail or other component used for guidance, while the lateral moving member 3222 can cooperate with the guide member 3221 to allow the lateral moving member 3222 to move laterally relative to the guide member 3221. The lateral driving member 3223 is a motor, cylinder, or other drive mechanism used to provide driving force. Those skilled in the art will understand that this disclosure does not limit the specific structure and connection method of the guide member 3221, the lateral moving member 3222, and the lateral driving member 3223. For example, in some embodiments not shown, the guide 3221 can be a guide rail arranged laterally, the lateral moving member 3222 is a slider that cooperates with the guide rail, and the lateral driving member 3223 is a motor belt assembly disposed on the slider and the fixing frame 31. In some other embodiments, the combination of the guide 3221, the lateral moving member 3222, and the lateral driving member 3223 can also be a linear drive mechanism composed of a guide rail and a cylinder, or a linear drive mechanism composed of a gear rack and a motor, or an electric cylinder, etc.
[0033] In this embodiment, the guide member 3221 includes a guide beam 32211 fixedly connected to the fixing frame 31, and the lateral moving member 3222 includes an adjusting sleeve 32221 sleeved on the guide beam 32211. The guide beam 32211 is formed as a hollow square tube, and its two ends are fixedly connected to two supporting crossbeams 312 on the upper side of the fixing frame 31 by means of welding or other methods. The adjusting sleeve 32221 is set as a square tube sleeved on the outside of the guide beam 32211. The inner wall shape of the adjusting sleeve 32221 is similar to the outer wall shape of the guide beam 32211, so that the guide beam 32211 can provide a certain limiting effect on the adjusting sleeve 32221, reducing the probability of the adjusting sleeve 32221 rotating or tilting relative to the guide beam 32211, thereby reducing the friction between the two and reducing the probability of jamming.
[0034] See also Figure 1 , Figure 2 and Figure 6 , Figure 6An exemplary top view of an adjustment platform for a welding apparatus for rails according to some embodiments of this disclosure is shown. Further or optionally, the lateral drive member 3223 includes a drive cylinder 32231, the fixed end of which is fixedly connected to a fixed frame 31, and the extended end of which is fixedly connected to a lateral moving member 3222. In this embodiment, two opposing drive cylinders 32231 are included, each used to drive the lateral moving member 3222 to reciprocate laterally. When moving laterally to one side, one drive cylinder 32231 is arranged parallel to the guide beam 32211, its cylinder body connected to a support beam 312 perpendicular to the guide beam 32211 via a hinge, and its cylinder rod connected to an adjusting sleeve 32221 via a hinge. The cylinder body of the other drive cylinder 32231 is connected to another support beam 312 of the fixed frame 31, which is perpendicular to the guide beam 32211, via a hinge. Its cylinder rod is connected to a cylinder rod fixing member 319 set on the support beam 312, which is parallel to the guide beam 32211. When it is necessary to move the lateral moving member 3222 to the other side, the cylinder rods of the two drive cylinders 32231 change their connection positions, so that the cylinder rod of the inactive drive cylinder 32231 is connected to the adjusting sleeve 32221, thereby driving the adjusting sleeve 32221 to move in the opposite direction.
[0035] Those skilled in the art will understand that in this embodiment, a hydraulic cylinder arranged parallel to the guide beam 32211 is used to drive the lateral moving member 3222, but this disclosure does not limit the specific driving method of the lateral moving member 3222. For example, in some embodiments not shown, to further improve the stability of the drive, the driving hydraulic cylinder can be modified into a gear and rack combination, that is, one of the meshing gears and racks is set on the fixed frame or guide beam, and the other is set on the lateral moving member 3222, wherein the gear is driven by a motor or other driving component. Thus, during lateral movement, the motor drives the gear to rotate, causing the gear and rack to move relative to each other, thereby enabling precise adjustment and positioning by fine-tuning the motor. In addition, in some embodiments not shown, both the driving hydraulic cylinder and the telescopic support member can be replaced by an electric cylinder.
[0036] See Figure 4In this embodiment, a lubrication plate 32212 is also provided on the side of the guide beam 32211, and the lubrication plate 32212 has an oil reservoir. The lubrication plate 32212 is disposed between the outer wall of the guide beam 32211 and the inner wall of the adjusting sleeve 32221, and it is used to replace the outer wall of the guide beam 32211 in contact with the adjusting sleeve 32221. The lubrication plate 32212 has a recessed oil reservoir to hold lubricating oil or grease. Thus, when the adjusting sleeve 32221 and the guide beam 32211 move relative to each other, the lubrication plate 32212 can maintain lubricating oil between the adjusting sleeve 32221 and the guide beam 32211, reducing the friction between them. Furthermore, the lubrication plate 32212 can be configured to protrude outward from the outer wall of the guide beam 32211, so that the lubrication plate 32212 and the adjusting sleeve 32221 make preferential contact. Since the lubrication plate 32212 can have a small area, by making the lubrication plate 32212 and the adjusting sleeve 32221 make preferential contact, the friction force on the adjusting sleeve 32221 during movement can be further reduced, making its movement smoother.
[0037] Furthermore, a guide wheel 32224 is provided on the adjusting sleeve 32221, and the guide wheel 32224 is adjacent to the guide beam 32211 to reduce friction when the adjusting sleeve 32221 moves. In this embodiment, the guide wheel 32224 can be configured as a roller with its own axis arranged longitudinally. An opening corresponding to the position of the guide wheel 32224 is provided on the outer wall of the adjusting sleeve 32221, and a fixing seat for fixing the axle of the guide wheel 32224 is fixedly provided near the opening. The guide wheel 32224 passes through the opening and abuts against the guide beam 32211 inside the adjusting sleeve 32221. Thus, when the adjusting sleeve 32221 moves relative to the guide beam 32211, the guide wheel 32224 replaces the inner wall of the adjusting sleeve 32221 in contact with the guide beam 32211, thereby rolling relative to the guide beam 32211 during movement and reducing friction between the adjusting sleeve 32221 and the guide beam 32211. In this embodiment, a total of three guide wheels 32224 are provided on the adjusting sleeve 32221, with two guide wheels 32224 located on the vertically upward side of the adjusting sleeve 32221 and one guide wheel 32224 located on the vertically downward side. The two upper guide wheels 32224 can support the weight of the adjusting sleeve 32221 and the lifting assembly 3211 mounted on the adjusting sleeve 32221. Those skilled in the art will understand that, in some embodiments not shown, more guide wheels 32224 may be provided to distribute the load to more guide wheels 32224, thereby improving the stability of the adjusting sleeve 32221 when it moves, or fewer guide wheels 32224 may be provided, for example, by removing the guide wheels 32224 located on the vertically downward side, in order to reduce the weight of the moving part.
[0038] As previously described, in some embodiments, the vertical adjustment assembly 321 includes a lifting assembly 3211 and a lifting hook 3212 driven by the lifting assembly 3211, which can lift the welding machine 11 via the lifting hook 3212. In this case, in some embodiments, the vertical adjustment assembly 321 also includes an auxiliary pulley 3216 disposed on the lateral moving member 3222. For example, see... Figure 4 The auxiliary pulley 3216 is positioned vertically on the upper side of the adjusting sleeve 32221, while the lifting assembly 3211 is positioned laterally on one side of the auxiliary pulley 3216. The sling wound on the lifting assembly 3211 extends laterally, passes around the auxiliary pulley 3216, and then hangs down through an opening in the adjusting sleeve 32221 and connects with the sling groove in the guide member 3221 to the lifting hook 3212. The sling groove is a long, horizontally extending, through-slot on the guide beam 32211. By setting the auxiliary pulley 3216, the default lifting position of the sling is positioned, reducing interference with the sling position caused by the lifting assembly 3211 during sling winding and improving the adjustment accuracy of the adjusting assembly for the welding machine 11. Furthermore, in some embodiments not shown, the auxiliary pulley can also take other forms, such as a pulley block with various combinations of moving and fixed pulleys.
[0039] Further or optionally, two guide wheels 32224 spaced apart laterally are provided on the upper side of the lateral moving member 3222, and the auxiliary pulley 3216 is disposed between the two guide wheels 32224. Thus, when the welding machine 11 is lifted by the lifting assembly 3211, the weight of the welding machine 11 can be applied to the auxiliary pulley 3216 via the sling, and the auxiliary pulley 3216 further distributes the force it receives to the two guide wheels 32224, making the pressure distribution between the adjusting sleeve 32221 and the guide wheels 32224 and the guide beam 32211 more even, reducing the probability of the adjusting sleeve 32221 tilting or even rubbing against the guide beam 32211 due to uneven force distribution.
[0040] The following describes, with reference to the accompanying drawings, examples of the workflow of a welding apparatus for rails according to some embodiments of this disclosure.
[0041] See Figure 11 , Figure 11 An exemplary perspective view of a welding apparatus for a track, according to some embodiments of this disclosure, is shown in its initial state on the track. In the initial state, the welding apparatus first travels on the track using a welding carriage, with an adjustment platform supported on the upper side of the welding carriage by a connecting frame. As the welding apparatus moves along the track to the area to be welded, the welding carriage stops, and the welding apparatus ceases to move.
[0042] See Figure 12 , Figure 12 An exemplary perspective view of a welding apparatus for a track, according to some embodiments of this disclosure, is shown in operation on the track. After the welding apparatus moves to the welding location, a vertical adjustment assembly connects to the welding machine and moves the welding machine vertically, separating it from the frame of the welding vehicle. Further, the connecting frame is disassembled from the adjustment platform, allowing the adjustment platform to be supported entirely on the ground, while the frame and connecting frame separate relative to the adjustment platform along the track. Thus, the welding machine can be moved to the corresponding target welding position under the adjustment of the adjustment assembly to begin welding operations.
[0043] Further or alternatively, if the adjustment platform of the welding equipment includes a telescopic support, after the welding machine and adjustment platform are mounted on the chassis and driven to the welding location, an additional step may be included, namely, extending the telescopic support of the adjustment platform to complete the smooth landing of the adjustment platform, and lifting the adjustment platform by the telescopic support to separate the adjustment platform from the chassis.
[0044] In some embodiments, after the adjustment platform is separated from the frame, the position of the welding machine can be adjusted by means of the lateral adjustment component to complete the lateral positioning of the welding machine, and then the lifting hook can be rotated to complete the angular positioning of the welding machine.
[0045] See you again Figure 2 An auxiliary fixing component 318 is also provided on the supporting crossbeam of the fixed frame. Further or optionally, in some embodiments, the position adjustment of the welding machine can be assisted by adjusting tools such as a hand chain hoist. For example, after the welding machine angle positioning is completed, one end of the sling of the hand chain hoist can be fixedly connected to the auxiliary fixing component 318, and the other end can be connected to the lifting hook. By manually driving the hand chain hoist and simultaneously driving the vertical adjustment component, the vertical and longitudinal positioning of the welding machine can be completed with higher precision.
[0046] See Figure 13 , Figure 13 An exemplary perspective view of a welding apparatus for rails according to some embodiments of this disclosure is shown during track switching. When it is necessary to change track lines and switch from the current line to an adjacent line for welding, it is only necessary to install a temporary switch at the turnout, and then use a welding vehicle to travel on the current line to the left side of the switch. The temporary switch is used to complete the track change, and the welding apparatus travels to the right side of the switch to switch to perform the work on the adjacent line.
[0047] When setting up the welding equipment on the track, the welding vehicle's frame can first be hoisted onto the track using external lifting equipment. Then, the welding machine is hoisted onto the frame using the same equipment. The connecting frame is then assembled onto the frame using bolting or other methods. Finally, the lifting equipment lifts the adjustment platform and connects it to the connecting frame. By designing the loading platform as a modular structure, its overall assembly and disassembly are more convenient, and each component can be individually mounted and dismounted before assembly, facilitating on-site operation. Furthermore, after the adjustment platform is separated from the frame and connecting frame, it forms an independent working platform with the welding machine, providing greater operating and visibility space for welding operations. Moreover, the adjustment platform's adjustment components enable lateral and vertical movement. With the omnidirectional rotatable lifting hook and slings, the welding machine can move longitudinally and rotate 360 degrees, meeting the positioning requirements of different welding positions along the track.
[0048] For this reason, see Figure 1 , Figure 2 and Figure 6 The frame, connecting frame, and adjustment platform are all equipped with lifting lugs or lifting holes for hoisting. Hoisting beams 35 can also be installed on the fixing frame 31 of the adjustment platform. Two hoisting beams 35 are symmetrically arranged on both sides of the guide beam 32211. Each hoisting beam 35 has two lifting lugs to facilitate accurate positioning of the hoisting hook. Furthermore, a connecting support is provided on the underside of each hoisting beam 35 for connecting to the connecting frame. This connecting support may have bolt holes for bolting to the connecting frame, as well as chamfers to facilitate engagement with the connecting frame.
[0049] According to some embodiments of this disclosure, the welding equipment for tracks, with the aid of a movable welding vehicle, an adjustment platform capable of adjusting the position of the welding machine, and a connecting frame detachably connected to the adjustment platform, enables the welding equipment to move flexibly along the track, easily reach the welding position, and flexibly perform welding operations at the welding positions on both sides of the track. It has a simple and reliable structure, compact design, light weight, low cost, and convenient operation, facilitating track replacement operations and enabling on-site operators to position the welding equipment. It can effectively improve track welding efficiency and has broad market application prospects.
[0050] While numerous embodiments of this disclosure have been shown and described herein, it will be apparent to those skilled in the art that such embodiments are provided by way of example only. Many modifications, alterations, and alternatives will occur to those skilled in the art without departing from the spirit and intent of this disclosure. It should be understood that various alternatives to the embodiments of this disclosure described herein may be employed in the practice of this disclosure. The appended claims are intended to define the scope of this disclosure and therefore cover equivalents or alternatives within the scope of these claims.
Claims
1. A welding device for rails, characterized in that, include: Welding vehicle (10), which includes welding machine (11) and frame (12) for carrying welding machine (11); A connecting frame (20) is connected to the vehicle frame (12); The adjustment platform (30) includes a fixed frame (31) and an adjustment mechanism (32) fixedly disposed on the fixed frame (31). The fixed frame (31) is detachably connected to the connecting frame (20). The adjustment mechanism (32) includes a vertical adjustment component (321) and a horizontal adjustment component (322). The vertical adjustment component (321) can be moved by the horizontal adjustment component (322), and the vertical adjustment component (321) is driven to be connected to the welding machine (11).
2. The welding equipment according to claim 1, characterized in that, The vertical adjustment assembly (321) includes a hoisting assembly (3211) and a hoisting hook (3212) driven by the hoisting assembly (3211). The hoisting assembly (3211) is connected to the hoisting hook (3212) by means of a sling and is able to lift the welding machine (11) by means of the hoisting hook (3212).
3. The welding equipment according to claim 1, characterized in that, The adjustment platform (30) further includes a telescopic support (33), which includes a fixed part (331) fixed relative to the fixed frame (31) and a telescopic part (332) that can extend and retract relative to the fixed frame (31). When the telescopic part (332) extends, it can lift the fixed frame (31).
4. The welding equipment according to any one of claims 1 to 3, characterized in that, The lateral adjustment assembly (322) includes a guide (3221), a lateral moving member (3222) disposed on the guide (3221), and a lateral drive member (3223). The guide (3221) can guide the lateral moving member (3222) in a lateral direction perpendicular to the extension direction of the track. The lateral drive member (3223) is driven to the lateral moving member (3222) to drive the lateral moving member (3222) to move.
5. The welding equipment according to claim 4, characterized in that, The guide member (3221) includes a guide beam (32211) fixedly connected to the fixed frame (31), and the lateral moving member (3222) includes an adjusting sleeve (32221) sleeved on the guide beam (32211).
6. The welding equipment according to claim 5, characterized in that, The lateral drive component (3223) includes a drive cylinder (32231), the fixed end of the drive cylinder (32231) is fixedly connected to the fixed frame (31), and the extended end of the drive cylinder (32231) is fixedly connected to the lateral moving component (3222).
7. The welding equipment according to claim 5, characterized in that, The guide beam (32211) has a lubrication plate (32212) on its side, and the lubrication plate (32212) has an oil storage groove.
8. The welding equipment according to claim 5, characterized in that, The adjusting sleeve (32221) is provided with a guide wheel (32224), which is adjacent to the guide beam (32211) to reduce friction when the adjusting sleeve (32221) moves.
9. The welding equipment according to claim 4, characterized in that, The vertical adjustment assembly (321) includes a hoisting assembly (3211) and a hoisting hook (3212) driven by the hoisting assembly (3211). The hoisting assembly (3211) is connected to the hoisting hook (3212) by means of a sling and can lift the welding machine (11) by means of the hoisting hook (3212). The vertical adjustment assembly (321) also includes an auxiliary pulley (3216), which is disposed on the lateral moving part (3222).
10. The welding equipment according to claim 9, characterized in that, Two guide wheels (32224) are provided on the upper side of the lateral moving member (3222) and spaced apart from each other in the lateral direction, while the auxiliary pulley (3216) is provided between the two guide wheels (32224).