A movable roof mounting structure and railway wagon using the same

Abstract

The application provides a movable top cover mounting structure and a railway wagon using the mounting structure, and relates to the technical field of railway vehicle components. The mounting structure comprises a folding movable top cover, a guide rail and a guide device mounted on the guide rail. The guide rail comprises a horizontal rail section, an arc-shaped rail section and a receiving rail section. The guide device is slidingly arranged on the guide rail and is fixedly connected with one end of the folding movable top cover. The guide rail is further provided with a locking device for locking the folding movable top cover. The railway wagon comprises the above mounting structure. The technical scheme of the application ensures the stability of the movable top cover during movement and when fully opened, improves the operation efficiency and safety, and facilitates the loading and unloading of the railway wagon.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of railway vehicle components, in particular to a movable top cover mounting structure and a railway wagon using the same. BACKGROUND

[0002] Railway hopper wagons are widely used in railway freight transportation due to their economic efficiency, environmental protection, low carbon, and safe and reliable freight transportation. However, special protection is required for bulk goods such as coal, lime, and sulfur that need to be protected from moisture and humidity.

[0003] For such goods that require special protection, a top cover is usually provided on the railway hopper wagon to isolate and protect the goods. The top cover can be opened or closed as needed during loading and unloading, and remains closed during transportation, providing good protection for the goods.

[0004] However, in practical applications, conventional top covers are mostly installed on railway wagons in the form of conventional sliding rails, which have the following drawbacks:

[0005] (1) Most railway wagons rely on manual operation of the top cover, which is not only cumbersome and inefficient, but also poses a safety hazard to the operator when opening or closing the top cover;

[0006] (2) The top cover must remain fully open during unloading, and the two sides of the track usually need to be provided with an arc-shaped track section to facilitate the complete storage of the movable top cover on the vertical track on both sides. However, the existing top cover guide device cannot ensure the stable passage of the movable top cover through the arc-shaped track section, resulting in problems such as jamming or falling of the movable top cover during movement;

[0007] (3) The top cover does not have a locking structure after being stored on the track on both sides, or the locking process is cumbersome, causing the top cover to loosen during unloading and affecting the unloading process. SUMMARY

[0008] The present application provides a movable top cover mounting structure and a railway wagon using the same, which uses a guide device to guide the movement of a foldable movable top cover on a guide rail, and cooperates with a locking device to lock the foldable movable top cover, ensuring the stability of the movable top cover during movement and when fully open, improving the efficiency and safety of the operation, and facilitating the loading and unloading of the railway wagon.

[0009] The application provides an active top cover mounting structure, which comprises a folding active top cover, a guide rail and a guide device mounted on the guide rail.

[0010] In one embodiment, the guide device comprises an end trolley assembly, a middle trolley assembly and a tail trolley assembly, the end trolley assembly or the tail trolley assembly is fixedly connected with the folding active top cover, opposite sides of the middle trolley assembly are rotationally connected with the end trolley assembly and the tail trolley assembly respectively, and the end trolley assembly, the middle trolley assembly and the tail trolley assembly all comprise a movable wheel set for cooperating with the guide rail, and the guide device realizes walking on the guide rail through the movable wheel set.

[0011] Through the embodiment, the opposite sides of the middle trolley assembly are rotationally connected with the end trolley assembly and the tail trolley assembly respectively, which facilitates the guide device to drive the folding active top cover to pass through the arc-shaped track section and guarantees the stability of the folding active top cover when being opened and closed.

[0012] In one embodiment, the folding active top cover comprises two split top covers which are symmetrically arranged along the extension direction of the guide rail and are mounted on the guide rail in a split type structure, and the guide device is provided with two groups, and the two groups of guide devices are fixedly connected with active ends of the two split top covers respectively.

[0013] Through the embodiment, the folding active top cover is designed in a split type structure, the movement distance of the folding active top cover is reduced, the time required for opening or closing the active top cover is shortened, and quick loading and unloading are facilitated.

[0014] In one embodiment, the guide rail is provided with a linkage assembly for linking two split top covers, and the linkage assembly comprises:

[0015] two sprockets which are rotationally arranged on both sides in the extension direction of the guide rail; and

[0016] a transmission chain which is annularly arranged on the two sprockets and is fixedly connected with the two guide devices on the upper side and the lower side respectively.

[0017] By the present embodiment, when one of the guide devices starts to move, it can drive the other guide device to move synchronously by means of the transmission chain; specifically, during the opening process of the movable top cover, the transmission chain can conveniently realize the synchronous movement of the two guide devices in opposite directions; while during the closing process of the movable top cover, the transmission chain can conveniently realize the synchronous movement of the two guide devices in the same direction.

[0018] In one embodiment, the locking device comprises:

[0019] a locking shaft rotatably arranged on the arc-shaped track segment or the receiving track segment;

[0020] a lock box fixedly arranged on the locking shaft; and

[0021] a lock rod rotatably arranged inside the lock box.

[0022] The locking shaft is provided with a connecting structure for connecting the guide device, and the locking shaft and the lock rod are provided with locking structures for mutual cooperation.

[0023] By the present embodiment, when the guide device moves to the locking device, the locking shaft is connected with the guide device through the connecting structure, and the two are linked; when the locking shaft and the lock rod are locked through the locking structure, the locking shaft stops moving, and the guide device will also stop moving under the action of the locking shaft, thereby realizing the locking function of the guide device and the movable top cover.

[0024] In one embodiment, the connecting structure comprises a protruding sleeve fixedly arranged at the end of the locking shaft, and the protruding sleeve is provided with a clamping groove; the guide device is provided with a protruding head for clamping cooperation with the clamping groove; when the guide device moves to the protruding sleeve, the protruding head engages the clamping groove and forms clamping cooperation therewith.

[0025] By the present embodiment, when the protruding head engages the clamping groove, the locking shaft and the guide device are linked, and the two will move synchronously or be braked synchronously.

[0026] In one embodiment, the shaft segment of the locking shaft inside the lock box is provided with a necking; the lock rod is provided with a circular arc surface; when the locking device is in an unlocked state, the lock rod abuts against the necking through the circular arc surface, so that the locking shaft can rotate around its axis.

[0027] In one embodiment, the locking structure comprises:

[0028] a cutting plane arranged on the locking shaft close to the necking; and

[0029] A locking plane is arranged on the side of the locking rod close to the locking shaft, and is used to cooperate with the cutting plane to realize the locking function.

[0030] When the locking device is in the locking state, the locking plane abuts against the cutting plane and limits the rotation of the locking shaft.

[0031] In one embodiment, two cutting planes are arranged along the axial direction of the locking shaft, and the two cutting planes are respectively arranged on the two sides of the necked portion.

[0032] According to the embodiment, no matter which side of the cutting plane the locking rod swings to, the locking plane can cooperate with the cutting plane and realize the locking function.

[0033] Another aspect of the present application provides a railway wagon comprising the movable top cover mounting structure.

[0034] In summary, compared with the prior art, the present application has the following beneficial technical effects:

[0035] (1) The guide device is used to guide the movement of the folding movable top cover on the guide rail, and the locking device is used to realize the locking of the folding movable top cover, so as to ensure the stability of the movable top cover during movement and when fully opened, improve the operation efficiency and safety, and facilitate the loading and unloading of the railway wagon;

[0036] (2) The folding movable top cover is arranged in a double-opening structure, and the synchronous movement of the two side top covers is realized by cooperating with the linkage assembly, so as to shorten the time required for opening or closing the top cover, simplify the operation of opening or closing the top cover, facilitate the rapid loading and unloading, and further improve the operation efficiency;

[0037] (3) The guide device is locked by the locking device, so that the folding movable top cover can be stably stored on the two side storage rail segments, facilitating the stable full opening of the movable top cover, and being helpful for the loading and unloading of the railway wagon. BRIEF DESCRIPTION OF DRAWINGS

[0038] In the following, the present application will be described in more detail based on the embodiments and with reference to the accompanying drawings. In which:

[0039] Figure 1 is a schematic view of the overall structure of the movable top cover mounting structure in one embodiment of the present application;

[0040] Figure 2 is a schematic view of the structure of the guide device when the guide device moves to the arc-shaped rail segment in one embodiment of the present application;

[0041] Figure 3 is a schematic view of the structure of the guide device in one embodiment of the present application;

[0042] Figure 4 This is a schematic diagram of the overall structure of the locking device in one embodiment of the present invention;

[0043] Figure 5 This is a cross-sectional view of the locking device in one embodiment of the present invention;

[0044] Figure 6 This is a schematic diagram of the locking shaft in one embodiment of the present invention;

[0045] Figure 7 This is a schematic diagram of the locking rod in one embodiment of the present invention.

[0046] Reference numerals: 1. Guide rail; 2. Guiding device; 3. Folding movable top cover; 4. Transmission chain; 5. Locking device; 6. Contact; 7. End carriage assembly; 8. Middle carriage assembly; 9. Tail carriage assembly; 10. Rotating shaft; 11. Protrusion; 12. Locking shaft; 13. Fixing nut; 14. Lug; 15. Lock box; 16. Locking nut; 17. Bolt; 18. Locking rod; 19. Arc surface; 20. Square platform; 21. Cutting plane; 22. Necking; 23. Locking plane. Detailed Implementation

[0047] The present invention will now be described clearly and completely with reference to the accompanying drawings.

[0048] See appendix Figure 1 This invention provides a movable top cover installation structure, mainly used for installing movable top covers on railway freight cars, facilitating the opening and closing of the movable top cover and improving the convenience of loading and unloading freight cars. To facilitate understanding of the technical solution of the movable top cover installation structure provided in this embodiment, the loading and unloading process of railway freight cars is briefly described as follows: When unloading is required, the movable top cover on the hopper of the railway freight car is opened, and then the hopper is tilted to the side, allowing the goods inside the hopper to be poured out, thus achieving unloading; subsequently, the hopper is reset, and the movable top cover is closed again, completing one unloading cycle.

[0049] Specifically, the movable top cover installation structure includes a guide rail 1 mounted on the railway freight car hopper, a guide device 2 slidably mounted on the guide rail 1, and a foldable movable top cover 3 connected to the guide device 2. In actual operation, the guide device 2 drives the foldable movable top cover 3 to move along the guide rail 1, thereby realizing the opening or closing of the foldable movable top cover 3.

[0050] In this embodiment, the guide rail 1 can be configured as a parallel double guide rail structure to ensure the stability of the movement of the foldable movable top cover 3. Correspondingly, the guide devices 2 can be arranged in pairs, that is, the two guide devices 2 are respectively slidably arranged on one of the guide rails 1, and the two guide devices 2 are simultaneously fixedly connected to the movable end of the foldable movable top cover 3, thereby driving the foldable movable top cover 3 to move along the two guide rails 1.

[0051] In one embodiment, the guide rail 1 is provided in a multi-section combined structure to facilitate the full opening of the folding movable roof 3. Specifically, the guide rail 1 includes a horizontal track section fixed horizontally above the hopper, an arc-shaped track section connected to the horizontal track section, and a storage track section connected to the arc-shaped track section. The storage track section can extend to the head or tail of the hopper (the head and tail can be determined according to the direction of travel of the railway wagon) through the arc-shaped track section.

[0052] In this way, when the folding movable roof 3 is gradually folded and opened, the guide device 2 can drive the folding movable roof 3 to pass through the horizontal track section and the arc-shaped track section in sequence, and finally make the folding movable roof 3 fully fold and store on the storage track section, thereby realizing the full opening of the movable roof.

[0053] In another embodiment, the folding movable roof 3 is designed in a split type structure to realize the rapid opening or closing of the movable roof. Specifically, the folding movable roof 3 includes two split roofs symmetrically arranged along the extension direction of the guide rail 1, and each of the two split roofs is connected to a set of guide devices 2. When the folding movable roof 3 is in a closed state, the two sets of guide devices 2 are attached together at the middle position on the upper side of the hopper, so that the two split roofs jointly shield the opening above the hopper. When the folding movable roof 3 needs to be opened, the two sets of guide devices 2 drive the two split roofs to move towards the opposite sides of the hopper, thereby realizing the opening of the folding movable roof 3.

[0054] At this time, to realize the full opening of the folding movable roof 3, the guide rail 1 can be provided in a three-section structure, i.e., one storage track section is arranged on each side of the extension direction of the horizontal track section, and the storage track sections on both sides are connected to the horizontal track section through arc-shaped track sections.

[0055] Referring to FIG. 4, the guide rail 1 is provided in a three-section structure, i.e., one storage track section is arranged on each side of the extension direction of the horizontal track section, and the storage track sections on both sides are connected to the horizontal track section through arc-shaped track sections. Figure 1 When the folding movable roof 3 is designed in a split type structure, a linkage assembly is further arranged on the guide rail 1 to realize the synchronous movement of the two split roofs.

[0056] Specifically, the linkage assembly includes two chain wheels (hidden in the figure, not shown) and a transmission chain 4 wound around the two chain wheels. The two chain wheels are respectively arranged on the two sides of the extension direction of the guide rail 1, and the upper and lower sides of the transmission chain 4 are respectively fixedly connected to the two sets of guide devices 2.

[0057] Thus, when one set of guide devices 2 starts to move under the action of external force, it can drive the other set of guide devices 2 to move synchronously through the transmission chain 4. Specifically, in the process of gradually opening the two sub-top covers, the two sets of guide devices 2 will move synchronously in the opposite direction under the action of the transmission chain 4; while in the process of gradually closing the two sub-top covers, the two sets of guide devices 2 will move synchronously in the same direction under the action of the transmission chain 4.

[0058] Meanwhile, since the guide rail 1 includes an arc-shaped track segment, it is difficult for the conventional guide device 2 to ensure that the folding movable top cover 3 stably passes through the arc-shaped track segment. Therefore, the guide device 2 is specially designed in this embodiment to adapt to the arc-shaped track segment.

[0059] Referring to FIG. 1, Figures 2-3 The guide device 2 includes an end trolley assembly 7, a middle trolley assembly 8, and a tail trolley assembly 9. The middle trolley assembly 8 is rotatably connected to the end trolley assembly 7 and the tail trolley assembly 9 through a rotating shaft 10 on opposite sides in the extension direction of the guide rail 1. The end trolley assembly 7, the middle trolley assembly 8, and the tail trolley assembly 9 are each provided with a set of movable wheels for cooperating with the movement of the guide rail 1, and the middle trolley assembly 8 is further provided with a contact 6.

[0060] In actual work, the cover pushing device (not shown in the figure) fixed on the ground can push the guide device 2 to move through the contact 6. The guide device 2 as a whole can stably walk on the guide rail 1 through the sets of movable wheels, and the end trolley assembly 7 and the tail trolley assembly 9 can rotate relative to the middle trolley assembly 8 through the rotating shaft 10, thereby adapting to the change in the radius of the arc-shaped track segment. It should be noted that the set of movable wheels can be any wheel set that can stably walk on the guide rail 1, and the specific type is not limited.

[0061] With the help of the two sides of the storage track segment, the two sub-top covers can be driven by the guide device 2 and folded and stored on the two sides of the hopper. However, in order to achieve convenient loading and unloading, the folded sub-top covers need to be locked to prevent them from loosening on the storage track segment, which would cause the folding movable top cover 3 to be unable to stably maintain the fully open state. Therefore, in this embodiment, the arc-shaped track segment or the storage track segment is further provided with a locking device 5; after the sub-top covers are folded and stored on the storage track segment, the locking device 5 can lock the guide device 2 and the sub-top cover on the corresponding side to prevent them from loosening.

[0062] Referring to FIG. 1, Figures 4-5The locking device 5 comprises a locking shaft 12 horizontally arranged on the two side rails 1, and the locking shaft 12 is rotatably connected with the rails 1, so that it can be flexibly rotated. Meanwhile, the two ends of the locking shaft 12 are provided with connecting structures for connecting the guide device 2; when the guide device 2 moves to the position of the locking shaft 12, the locking shaft 12 can be connected with the guide device 2 through the connecting structures, so that the two are linked.

[0063] The drawings will be described below Figure 3 In order to realize the linkage of the locking shaft 12 and the guide device 2, the lower side of the end car group 7 is provided with a downwardly protruding protrusion 11. The connecting structure comprises a protrusion 14 fixedly arranged at the end of the locking shaft 12, and the upper side of the protrusion 14 is provided with a clamping groove for matching the protrusion 11.

[0064] When the guide device 2 moves to the position of the locking shaft 12, the protrusion 11 will be embedded in the clamping groove, and the two are engaged and clamped to form a clamping fit, so that the guide device 2 and the locking shaft 12 are linked. After the two are engaged, if the guide device 2 continues to move towards the storage rail section, the guide device 2 will push the protrusion 14 to move through the protrusion 11, thereby driving the locking shaft 12 to rotate on the rail 1.

[0065] The drawings will be described below Figure 6 In this embodiment, in order to realize the fixation of the protrusion 14 on the locking shaft 12, a square platform 20 is integrally formed on the locking shaft 12 near the end thereof; when the protrusion 14 is installed, the protrusion 14 is sleeved on the end of the locking shaft 12 through the through hole formed therein, and abuts against the square platform 20; and the side of the protrusion 14 away from the square platform 20 is provided with a fixing nut 13, which is threadedly connected with the end of the locking shaft 12; when the fixing nut 13 is locked, the fixing nut 13 will lock and fix the protrusion 14 on the end of the locking shaft 12.

[0066] Through the above arrangement, the protrusion 14 is detachably fixed on the locking shaft 12, which facilitates the adjustment of the inclination angle of the protrusion 14 and the engagement of the protrusion 14 with the protrusion 11. Of course, the protrusion 14 can also be directly fixed on the end of the locking shaft 12 by welding, as long as the clamping groove on the protrusion 14 can accurately engage with the protrusion 11 on the end car group 7.

[0067] The drawings will be described below Figure 7 The locking device 5 further comprises a lock box 15 arranged on the locking shaft 12 and a lock rod 18 arranged in the lock box 15, and the locking shaft 12 and the lock rod 18 are provided with locking structures for matching each other on the shaft segment inside the lock box 15. By means of the locking structures, the lock rod 18 can limit the rotation of the locking shaft 12, thereby indirectly limiting the movement of the guide device 2.

[0068] The drawings will be described below Figures 5-6Specifically, the lock box 15 is provided with a through hole on the lower side, and the locking shaft 12 penetrates the lock box 15 along the through hole. The lock box 15 and the locking shaft 12 can be directly welded and fixed, or can be installed in an interference fit manner, so that they can move synchronously. In this way, when the guide device 2 drives the locking shaft 12 to rotate through the convex post 14, the lock box 15 will rotate synchronously with the locking shaft 12.

[0069] In order to install the above-mentioned lock rod 18, a through slot is further provided in the lock box 15 and penetrates the inside of the lock box 15 from top to bottom, and the lock rod 18 is arranged in the inside of the lock box 15 through the through slot. At the same time, the upper side of the lock box 15 is provided with a bolt 17, and the bolt 17 is fixed on the lock box 15 through a lock nut 16. Correspondingly, the upper end of the lock rod 18 is provided with a through hole, and the lock rod 18 is sleeved on the bolt 17 through the through hole, so that the lock rod 18 can rotate around the bolt 17. However, due to the limitation of the space of the above-mentioned through slot, the lock rod 18 can only reciprocate within a limited space range in the inside of the lock box 15.

[0070] It should be noted that when the railway wagon does not start unloading, the hopper does not overturn; at this time, the lock rod 18 is in the initial state, and the lock rod 18 is just perpendicular to the locking shaft 12 and abuts against each other in the initial state. When the hopper starts to overturn to unload, the lock rod 18 swings around the above-mentioned bolt 17, and at the same time, the above-mentioned locking structure and the locking shaft 12 realize the locking function.

[0071] Referring to the accompanying drawings Figures 6-7 The above-mentioned locking shaft 12 is provided with a necking 22 in the middle part, and the locking shaft 12 forms a recess at the necking 22. Correspondingly, the side of the lock rod 18 close to the locking shaft 12 is provided with a circular arc surface 19. When the lock rod 18 is in the initial state, the lock rod 18 abuts against the necking 22 through the circular arc surface 19; at this time, the lock rod 18 does not affect the movement of the locking shaft 12, that is, the locking shaft 12 can rotate normally.

[0072] In order to realize the locking function, the locking shaft 12 is provided with a cutting plane 21 close to the necking 22 in the middle part; correspondingly, the side of the lock rod 18 close to the locking shaft 12 is provided with a locking plane 23. The cutting plane 21 and the locking plane 23 jointly constitute the above-mentioned locking structure.

[0073] In actual work, when the hopper starts to overturn to unload, the lock rod 18 will swing downward under the action of gravity; as the hopper continues to overturn, the lock rod 18 will swing to the position of the cutting plane 21 on the locking shaft 12; at this time, the locking plane 23 abuts against the cutting plane 21, thereby limiting the rotation of the locking shaft 12, and indirectly limiting the further movement of the guide device 2 and the folding movable top cover 3, thereby realizing the locking function. When the hopper is reset, the lock rod 18 will return to the necking 22 position of the locking shaft 12, thereby releasing the locking.

[0074] In another embodiment, considering that the direction of the hopper overturning is uncertain, i.e. the hopper will overturn according to the orientation of the unloading point, the above-mentioned cutting planes 21 can be arranged at two positions along the axial direction of the locking shaft 12, and the two cutting planes 21 are respectively located on the two sides of the necked portion 22. In this way, when the direction of the hopper overturning is changed, the locking rod 18 can swing towards the corresponding side and cooperate with the cutting plane 21 on the corresponding side to realize the locking function together.

[0075] Meanwhile, the present application also provides a railway wagon, which comprises a hopper provided with the above-mentioned movable top cover mounting structure. As for other structural features of the railway wagon, they belong to the prior art in the field and are not the focus of the present embodiment, so they will not be described here again.

[0076] In the description of the present application, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0077] Although the present application has been described with reference to the preferred embodiments, various modifications can be made to it without departing from the scope of the present application, and equivalent components can be substituted therefor. In particular, the technical features mentioned in each embodiment can be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A movable roof mounting structure characterized by comprising: The utility model relates to a folding movable roof, guide rail and guide device installed on the guide rail, the guide rail includes horizontal track section, arc track section and storage track section, the guide device is slidably arranged on the guide rail and is fixedly connected with one end of the folding movable roof, when the folding movable roof is opened, the guide device drives the folding movable roof to pass through the horizontal track section and the arc track section in turn and is folded and stored on the storage track section, and the guide rail is further provided with locking device for locking the folding movable roof, The locking device includes locking shaft, lock box and lock rod, the locking shaft is rotatably arranged on the arc track section or the storage track section, the lock box is fixedly arranged on the locking shaft, and the lock rod is rotatably arranged in the lock box, wherein the locking shaft is provided with connecting structure for connecting the guide device, and the locking shaft and the lock rod are provided with locking structure for mutual cooperation, and the shaft section of the locking shaft in the lock box is provided with necking; The locking structure includes cutting plane and locking plane, the cutting plane is arranged on the locking shaft close to the necking, the locking plane is arranged on the lock rod close to the locking shaft, and the locking function is realized by cooperating with the cutting plane, wherein when the locking device is in the locking state, the locking plane and the cutting plane abut and limit the rotation of the locking shaft.

2. A mobile roof mounting structure according to claim 1, wherein The guide device includes end trolley component, middle trolley component and tail trolley component, the end trolley component or the tail trolley component is fixedly connected with the folding movable roof, the opposite sides of the middle trolley component are rotatably connected with the end trolley component and the tail trolley component, and the end trolley component, the middle trolley component and the tail trolley component all include movable wheel group for cooperating with the guide rail, and the guide device realizes walking on the guide rail through the movable wheel group.

3. A mobile roof mounting structure according to claim 1, wherein The folding movable roof includes two symmetrical split roofs arranged along the extension direction of the guide rail, and the two split roofs are installed on the guide rail in a split type structure, the guide device is provided with two groups, and the two groups of guide devices are fixedly connected with the movable ends of the two split roofs.

4. A mobile roof mounting structure according to claim 3, wherein The guide rail is provided with linkage assembly for linking the two split roofs, the linkage assembly includes: Two sprockets rotatably arranged on both sides in the extension direction of the guide rail, and Transmission chain loopingly arranged on the two sprockets, and the upper and lower sides of the transmission chain are fixedly connected with the two guide devices.

5. A mobile roof mounting structure according to claim 1, wherein The connecting structure includes a convex sprout fixedly arranged on the end of the locking shaft, the convex sprout is provided with a clamping groove, the guide device is provided with a convex head for clamping cooperation with the clamping groove, when the guide device moves to the convex sprout, the convex head engages the clamping groove and forms clamping cooperation.

6. A mobile roof mounting structure according to claim 1, wherein The lock rod is provided with a circular arc surface, when the locking device is in the unlocked state, the lock rod abuts against the necking through the circular arc surface, so that the locking shaft can rotate around the axis.

7. A mobile roof mounting structure according to claim 1, wherein The two cutting planes are arranged along the axial direction of the locking shaft, and are located on two sides of the necking.

8. A railway wagon characterised in that, The active roof installation structure as claimed in any one of claims 1-7.

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