Masking device for railway flatcar

Abstract

The invention discloses a blocking device for a railway flatcar. The blocking device comprises a connecting unit, a wheel chock and a guide unit, the wheel chock is arranged on the connecting unit; the connecting unit is detachably connected with the guide unit; the guide unit is arranged on the side portion of the flatcar and is used for fixing the connecting unit and the chock and driving the connecting unit and the chock to move longitudinally. According to the covering and blocking device, the floor cannot be damaged, the reinforcing mode is firmer and more reliable, and longitudinal adjustment can be conducted within a certain range so as to adapt to reinforcing of vehicle types with different axle distances. Meanwhile, the structure is simple, operation is easy, cyclic utilization can be achieved, and cost is saved.

Description

Technical Field

[0001] The present invention relates to a blocking device for a railway flat car. Background Art

[0002] At present, when various types of crawler vehicles and wheeled vehicles are transported by general railway flat cars, a bundling and reinforcement method of combining wire rope pulling and nailing wooden blocks is required for reinforcement. The crawler (tire) of each side of the vehicle is tightly blocked by square timbers (triangle blocks) before and after, and the square timbers (triangle blocks) are nailed to the flat car floor with grab nails. However, with the frequent transportation of crawler vehicles and wheeled vehicles in China, higher requirements are put forward for the safety, reliability and rapidity of bundling and reinforcement. The existing bundling and reinforcement methods of general flat cars have the following problems: First, the grab nails or round steel nails are bent or deformed, or even pulled out, resulting in the failure of wheel block reinforcement; the wooden blocks are prone to cracking, resulting in a reduction in reinforcement strength; when the flat car wooden floor is decayed or cracked, it affects the nail-holding force of the grab nails or round steel nails, thereby weakening the reinforcement strength. Second, the triangle blocks, square timbers and grab nails used for blocking and reinforcing crawler vehicles and wheeled vehicles are disposable spare parts, and the disposable wooden blocks have low recycling value, causing great waste of resources. Third, the nailing operation of general flat cars causes serious damage to the floor, resulting in a short vehicle maintenance cycle and increasing the vehicle operation cost. The pine wood floor shows an extended crack damage; the composite floor shows a local block shedding. Summary of the Invention

[0003] In view of this, the purpose of the present invention is to provide a blocking device for a railway flat car, which not only does not damage the floor, makes the reinforcement method more firm and reliable, but also can be longitudinally adjusted within a certain range. The present invention adopts the following technical solutions to achieve the above purpose.

[0004] The present invention provides a blocking device for a railway flat car, including a connecting unit, a wheel block and a guiding unit;

[0005] The wheel block is arranged on the connecting unit; the connecting unit is detachably connected to the guiding unit;

[0006] The guiding unit is arranged on the side of the flat car, and is configured to fix the connecting unit and the wheel block, and drive the connecting unit and the wheel block to move longitudinally.

[0007] This can cancel the reinforcement method of the existing wooden fender. Compared with the prior art, in addition to different structural settings, it can also achieve longitudinal adjustment of the fender within a certain range to meet the fendering requirements of vehicles with various wheelbases. When the fender device is in the working state (i.e., when transporting wheeled or tracked vehicles), the fender is fixed on the flat car through the connecting unit, thereby achieving blocking and fixing. When in the non-working state, the connecting unit and the fender are removed, and the connecting unit and the fender are fixed to the side of the vehicle body through the suspension part, so that other goods that do not require blocking and fixing can be transported, ensuring that the railway flat car has all the existing functions and no part exceeds the limit during operation.

[0008] According to the fender device of the present invention, preferably, the connecting unit includes a connecting plate and a retaining hook; at least one end of the connecting plate is provided with a plurality of first oblong holes, and the connecting plate is fixed to the guiding unit through a connecting member; the retaining hook is arranged at a position of the first oblong hole away from the end of the connecting plate.

[0009] In the present invention, the connecting unit includes a connecting plate and a retaining hook. The fender is arranged on the connecting plate and fixed by the retaining hook. The connecting plate can be set as a rectangular plate. When it is necessary to block and fix goods, one end of it is connected to the guiding unit, and the other end is a free end (i.e., no fixing is required). At least one end of the connecting plate is provided with a plurality of first oblong holes, and the connecting plate is connected through a connecting member. A plurality of first weight-reducing holes can also be opened on the connecting plate, which has sufficient strength. According to a specific embodiment of the present invention, three first oblong holes can be evenly and symmetrically opened at both ends of the connecting plate, so that the first oblong holes at both ends can be used alternately, which can save materials.

[0010] According to the fender device of the present invention, preferably, the connecting unit further includes a first friction plate; the first friction plate is arranged at the bottom edge position of the connecting plate, and a plurality of second oblong holes are opened thereon, and the second oblong holes are arranged corresponding to the first oblong holes; a serrated structure is arranged on the surface of the first friction plate away from the connecting plate; the first friction plate and the retaining hook are located on different surfaces of the connecting plate.

[0011] In the present invention, the connecting unit can further include a first friction plate, and a serrated structure is arranged on its surface. The height of the serrations can be 1 mm, which can ensure the connection strength with the guiding unit. The number of the first oblong holes and the second oblong holes can be adjusted according to actual needs, and it is preferably at least three.

[0012] According to the fender device of the present invention, preferably, the fender is set as a rectangular box structure; a connection hole is arranged at the lower side of the fender corresponding to the retaining hook, and the retaining hook is set to be inserted into the connection hole to fix the fender.

[0013] In the present invention, the wheel chocks need to meet subsequent finite element analysis and strength tests, and their shapes and structures need to be specially designed. Preferably, the wheel chocks are arranged as rectangular box structures. Second weight-reducing holes can also be opened on the wheel chocks to enable the wheel chocks to have sufficient strength. In this way, the goods can be better blocked.

[0014] According to the blocking device of the present invention, preferably, the guiding unit includes a rotating part, an adjusting structure and a mounting structure; wherein,

[0015] The rotating part is arranged as a rod-shaped structure, and at least a part of its surface is provided with threads;

[0016] The adjusting structure is sleeved on the threaded part of the rotating part, and is arranged to connect the connecting unit and drive the connecting unit and the wheel chocks to move longitudinally;

[0017] The mounting structure is arranged at both ends of the rotating part and mounted on the side of the flat car, and is arranged to connect the rotating part and the adjusting structure; the position where the rotating part connects the mounting structure is not provided with threads.

[0018] In the present invention, the guiding unit I is fixedly connected to the wheel chocks and the connecting unit when the flat car transports goods that need to be blocked, and II can longitudinally adjust the wheel chocks to adapt to vehicle models with different wheelbases. The guiding unit includes a rotating part, an adjusting structure and a mounting structure. The rotating part is arranged as a rod-shaped structure, and at least a part of its position is provided with threads; the adjusting structure is sleeved on the rotating part, and is arranged to connect the connecting unit and drive the connecting unit and the wheel chocks to move longitudinally; the mounting structure is arranged at both ends of the rotating part and mounted on the side of the flat car, and is arranged to mount the rotating part and the adjusting structure. Preferably, the rotating part is not provided with threads except for the parts connecting the mounting structures at both ends, and the other parts are all provided with threads, so that the wheel chocks can be longitudinally adjusted to adapt to the blocking of vehicle models with different wheelbases.

[0019] According to the blocking device of the present invention, preferably, the rotating part includes a first rotating part and a second rotating part, both of which are arranged as rod-shaped structures; wherein,

[0020] The second rotating part is two, respectively arranged at both ends of the first rotating part, and connected through the mounting structure;

[0021] The first rotating part is provided with threads, and the second rotating part is not provided with threads, and the two are integrally formed.

[0022] According to the shielding device of the present invention, preferably, the adjusting structure includes an adjusting body, a guide plate and a guide rod; the adjusting body is arranged in a block structure and is sleeved on the first rotating part; the guide plate is located below the adjusting body and is sleeved on the guide rod; the guide rod is arranged between the mounting structures.

[0023] In the present invention, the adjusting structure includes an adjusting body, a guide plate and a guide rod. A first through hole is provided on the adjusting body, which can be a threaded hole, and the adjusting body is sleeved on the first rotating part through the first through hole. When the two ends of the second rotating part are rotated, the adjusting body and the first rotating part will be threadedly connected to cause the adjusting body to have a longitudinal displacement, thereby realizing the longitudinal adjustment of the wheel block. The wheel block can be adjusted within a range of 1200 mm to adapt to the shielding of vehicles with different wheelbase models. The guide plate is located below the adjusting body. A second through hole is provided on the guide plate, and the guide plate is sleeved on the guide rod through the second through hole. The guide rod is installed between the mounting structures. This can enable the adjusting structure to move only longitudinally, thereby preventing the adjusting structure from rotating and affecting the adjusted position of the wheel block.

[0024] According to the shielding device of the present invention, preferably, the adjusting structure further includes a second friction plate; the second friction plate is arranged opposite to the first friction plate; the second friction plate is arranged above the adjusting body and is provided with a serrated structure thereon; the second friction plate and the first friction plate are connected by a connecting member. In this way, when the longitudinal inertial force is transmitted, it can be evenly transmitted through the mutually cooperating serrations, avoiding damage to the connecting member between the two due to shear force and ensuring the reliability of the structure.

[0025] According to the shielding device of the present invention, preferably, two mounting structures are provided; each mounting structure includes an upper connecting plate, a lower connecting plate, a connecting column, a rotating part mounting seat and a guide rod mounting seat; the connecting column is arranged in a columnar structure, one end of which is fixed in the column slot of the flat car, the lower connecting plate is sleeved on the connecting column and is located at the notch of the column slot, the upper connecting plate is arranged on the top of the connecting column, and the upper connecting plate and the lower connecting plate are fixed by a connecting member;

[0026] The rotating part mounting seat is arranged above the upper connecting plate and is used to connect the second rotating part; the guide rod mounting seat is arranged on the lower connecting plate and is used to connect the guide rod.

[0027] In the present invention, the mounting structure includes an upper connecting plate, a lower connecting plate, a connecting column, a rotating part mounting seat, and a guide rod mounting seat. The connecting column is fastened in the column slot of the flat car through the upper connecting plate, the lower connecting plate, and the connecting piece, so that the longitudinal force of the goods (vehicle) can be transmitted to the column slot of the flat car through the connecting column, preventing wheeled or tracked vehicles from moving around and causing safety accidents such as vehicle partial load and derailment. A third through hole is also provided on the rotating part mounting seat for connecting the rotating part; a fourth through hole is provided on the guide rod mounting seat for connecting the guide rod.

[0028] According to the blocking device of the present invention, preferably, it further includes a suspension part; the suspension part is dispersedly arranged on the side of the flat car and is used for fixing the connecting unit and the wheel block when the blocking device for the railway flat car is in a non-use state.

[0029] The blocking device for the railway flat car of the present invention has the following beneficial effects compared with the prior art:

[0030] (1) It can not only replace the reinforcement method of the existing wooden blocking, without the need to nail the blocking device with saw nails or round steel nails, etc., and the reinforcement method is more firm and reliable without damaging the floor.

[0031] (2) The blocking device for the railway flat car of the present invention can be adjusted longitudinally along the vehicle body within a certain range to adapt to the blocking reinforcement of different wheelbase vehicle models.

[0032] (3) The blocking device for the railway flat car of the present invention can be recycled, saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the use state of the blocking device for the railway flat car of the present invention.

[0034] Figure 2 It is a schematic diagram of the structure of the connecting unit of the present invention; Figure 2 In it, (a) is the front view schematic diagram of the connecting unit; (b) is the bottom view schematic diagram of (a).

[0035] Figure 3 It is a schematic diagram of the connection between the wheel block and the connecting plate of the present invention.

[0036] Figure 4 In it, (a) is the schematic diagram of the structure of the adjustment structure of the present invention; (b) is the enlarged view of the sawtooth structure in (a).

[0037] Figure 5 It is a schematic diagram of the structure of the mounting structure of the present invention.

[0038] Figure 6 It is a schematic diagram of the longitudinal adjustment range of the wheel block of the present invention.

[0039] Figure 7 Schematic diagram of the non-use state of the blocking device for railway flatcars of the present invention.

[0040] The description of the reference numerals is as follows:

[0041] 1 - Connection unit, 11 - Connection plate, 111 - First oblong hole, 112 - First weight-reducing hole, 12 - Hook, 13 - First friction plate, 131 - Second oblong hole;

[0042] 2 - Wheel block, 21 - Connection hole, 22 - Second weight-reducing hole;

[0043] 3 - Guide unit, 31 - Rotating part, 311 - First rotating part, 312 - Second rotating part, 32 - Adjusting structure, 321 - Adjusting body, 3211 - First through hole, 322 - Guide plate, 3221 - Second through hole, 323 - Second friction plate, 3231 - Serrated structure, 324 - Guide rod, 33 - Mounting structure, 331 - Upper connection plate, 332 - Lower connection plate, 333 - Connection column, 334 - Rotating part mounting seat, 3341 - Third through hole, 335 - Guide rod mounting seat, 3351 - Fourth through hole;

[0044] 4 - Hanging part. Detailed implementation manners

[0045] The present invention will be further described below in conjunction with specific embodiments, but the protection scope of the present invention is not limited thereto.

[0046] Example 1

[0047] Figure 1 Schematic diagram of the use state of the blocking device for railway flatcars of the present invention. Figure 2 Schematic diagram of the structure of the connection unit of the present invention; Figure 2 In (a), it is the front view schematic diagram of the connection unit; (b) is the bottom view schematic diagram of (a). Figure 3 Schematic diagram of the connection between the wheel block and the connection plate of the present invention. Figure 4 In (a), it is the structure schematic diagram of the adjusting structure of the present invention; (b) is the enlarged view of the serrated structure in (a). Figure 5 Schematic diagram of the structure of the mounting structure of the present invention. Figure 6 Schematic diagram of the longitudinal adjustment range of the wheel block of the present invention. Figure 7 Schematic diagram of the non-use state of the blocking device for railway flatcars of the present invention.

[0048] As Figures 1 to 7 shown, the blocking device for railway flatcars of the present invention is arranged on the railway flatcar and is used for blocking and fixing the vehicles loaded on the railway flatcar.

[0049] As Figure 1As shown in the figure, the blocking device for a railway flat car includes a connecting unit 1, a wheel stopper 2, a guiding unit 3, and a hanging part 4. The wheel stopper 2 is arranged on the connecting unit 1, and the two are detachably connected. The guiding unit 3 is arranged on the side of the railway flat car and is used for longitudinally adjusting the wheel stopper 2. The hanging part 4 is arranged on the side of the railway flat car and is located below the guiding unit 3, and is used for fixing the wheel stopper 2 and the connecting unit 1 when the wheel stopper 2 is in a non-working state. The formed blocking device can not only effectively block and fix the vehicle, but also will not damage the floor, and can also achieve longitudinal adjustment within a certain range, so as to ensure that the railway flat car has all the existing functions and all parts do not exceed the limit during operation.

[0050] Reference Figure 7 , when the railway flat car is transporting goods that do not need to be blocked and fixed, the connecting unit 1 is fixed to the side of the flat car through the hanging part 4. Reference Figure 1 , when the flat car is transporting goods that need to be blocked and fixed, such as wheeled vehicles or tracked vehicles, etc., the connecting unit 1 is fixed to the guiding unit 3.

[0051] As Figure 1 and 2 shown, the connecting unit 1 includes a connecting plate 11, a retaining hook 12, and a first friction plate 13, and is used for connecting the wheel stopper 2. The connecting plate 11 is arranged as a rectangular plate, and at least one end of the connecting plate 11 is provided with a plurality of first oblong holes 111, and the connecting plate 11 is fixed to the guiding unit 3 through a connecting piece. The connecting piece can be a bolt. A plurality of first weight-reducing holes 112 are also formed in the connecting plate 11. In this embodiment, three first oblong holes 111 can be evenly and symmetrically formed at both ends of the connecting plate 11, so that the first oblong holes 111 at both ends can be used alternately, which can save materials.

[0052] At least two retaining hooks 12 are arranged along the length direction of the connecting plate 11, and at least two retaining hooks 12 are arranged on the side of the first oblong holes 111 away from the edge of the flat car for fixing the wheel stopper 2. In this embodiment, two retaining hooks 12 are respectively arranged between the first oblong holes 111 and the first weight-reducing holes 112.

[0053] The first friction plate 13 is arranged at the bottom of the connecting plate 11 near the edge position (the first friction plate 13 and the retaining hook 12 are located on different surfaces of the connecting plate 11), and a second oblong hole 131 is formed thereon, and the second oblong hole 131 is arranged corresponding to the first oblong hole 111. A serrated structure is arranged on the side of the first friction plate 13 away from the connecting plate 11, which can ensure the connection strength with the guiding unit 3.

[0054] As Figure 1 , 3As shown in Figures 4, 6, and 7, the wheel chock 2 is disposed on the connecting plate 11 and is used to block and fix the vehicle. The wheel chock 2 can be configured as a rectangular box structure. A connection hole 21 is provided at the lower side of the wheel chock 2 corresponding to the retaining hook 12, and the retaining hook 12 is snapped into the connection hole 21 to fix the wheel chock 2. A second weight-reducing hole 22 is also formed on the upper surface of the wheel chock 2. In this embodiment, the wheel chock 2 is made of steel and is configured as a rectangular box structure with dimensions of 290×140×500 mm and a wall thickness of 10 mm. The wheel chock 2 with such a structure can meet the blocking strength and thus can better block the vehicle.

[0055] As Figure 1 , 4 , 5, and 7 show, the guiding unit 3 includes a rotating part 31, an adjusting structure 32, and a mounting structure 33. Among them,

[0056] The rotating part 31 includes a first rotating part 311 and a second rotating part 312, both of which are configured as rod-shaped structures. The second rotating part 312 is disposed at both ends of the first rotating part 311 and is connected through the mounting structure 33. The first rotating part 311 is provided with threads, and the second rotating part 312 is not provided with threads, and the two are integrally formed. The end of the second rotating part 312 is configured as a hexagonal structure, which is convenient for subsequent operations. When the second rotating part 312 is rotated, the adjusting body 321 and the first rotating part 311 will be threadedly connected to cause the adjusting body 321 to undergo a longitudinal displacement, thereby realizing the longitudinal adjustment of the wheel chock 2. Referring to Figure 6 , it can be adjusted within a range of 1200 mm to adapt to the reinforcement of vehicles with different wheelbase models.

[0057] As Figure 4 , 7 shown, the adjusting structure 32 includes an adjusting body 321, a guiding plate 322, a second friction plate 323, and a guiding rod 324. The adjusting body 321 is configured as a rectangular block structure, and a first through hole 3211 is formed thereon, which can be a threaded hole. The adjusting body 321 is sleeved on the first rotating part 311 through the first through hole 3211. The guiding plate 322 is configured as a plate-shaped structure and is located below the adjusting body 321. A second through hole 3221 is formed on the guiding plate 322, and the guiding plate 322 is sleeved on the guiding rod 324 through the second through hole 3221. The guiding rod 324 is installed between the mounting structures 33. This can enable the adjusting structure 32 to move only longitudinally, thereby preventing the adjusting structure 32 from rotating and affecting the adjustment position of the wheel chock 2.

[0058] As Figure 4 shown, the second friction plate 323 is disposed above the adjusting body 321, and a serrated structure 3231 is also correspondingly provided thereon. When it is necessary to use the wheel chock 2 to block the goods, the second friction plate 323 and the first friction plate 13 cooperate with each other, which can not only fix the wheel chock 2 but also evenly transmit the longitudinal inertial force, ensuring the reliability of the structure.

[0059] As Figure 1 and 5 shown, two mounting structures 33 are provided. The two mounting structures 33 are mounted on the side of the vehicle body and are respectively located at the end positions of the rotating part 31. Each mounting structure 33 includes an upper connecting plate 331, a lower connecting plate 332, a connecting column 333, a rotating part mounting seat 334 and a guide rod mounting seat 335. The connecting column 333 is arranged as a rectangular columnar structure, one end of which is fixed in the column slot of the flat car. The lower connecting plate 332 is sleeved on the connecting column 333 and is located at the notch of the column slot. The upper connecting plate 331 is arranged on the top of the connecting column 333, and the upper connecting plate 331 and the lower connecting plate 332 are fixed by a connecting piece, thereby fastening the connecting column 333. The rotating part mounting seat 334 is arranged above the upper connecting plate 331, and a third through hole 3341 is provided thereon for connecting the second rotating part 312. The guide rod mounting seat 335 is arranged on the lower connecting plate 332, and a fourth through hole 3351 is provided thereon for connecting the guide rod 324.

[0060] The mounting structure 33 can transmit the longitudinal force of the goods (vehicle) to the column slot of the flat car through the connecting column 333, preventing wheeled or tracked vehicles from moving around and causing safety accidents such as vehicle partial load and derailment.

[0061] As Figure 1 and 7 shown, the suspension parts 4 are dispersedly arranged on the side of the flat car and are used to fixedly connect the connecting unit 1 and the wheel stopper 2 when the flat car transports goods that do not need to be blocked. Keyholes can be provided on the suspension parts 4, and the connecting piece passes through the first long circular hole 111 of the connecting plate 11 and the keyholes to suspend and fix the connecting unit 1 and the wheel stopper 2.

[0062] The following will make a detailed description of the usage method of the blocking device for the railway flat car of the present invention.

[0063] As Figure 7 shown, in the non-use state, that is, when the railway flat car is empty or transports goods that do not need to be blocked such as containers, the wheel stopper 2 and the connecting unit 1 are fixed on the suspension part 4.

[0064] As Figure 1 shown, in the use state, first drive the wheeled or tracked vehicle to the corresponding position and turn off the engine, rotate the end of the second rotating part 312 to adjust the adjusting structure 32 to the corresponding position, then remove the connecting unit 1 and the wheel stopper 2 from the suspension part 4, and install the connecting unit 1 and the wheel stopper 2 on the adjusting structure 32, so as to complete the reinforcement operation of the vehicle by using the wheel stopper 2 to block the tires of the vehicle on the flat car.

[0065] The present invention is not limited to the above embodiments. Without departing from the essence of the present invention, any deformation, improvement or replacement that can be thought of by those skilled in the art falls within the scope of the present invention.

Claims

1. A blocking device for a railway flat car, characterized in that, it includes a connecting unit, a wheel stopper and a guiding unit; the wheel stopper is arranged on the connecting unit; the connecting unit is detachably connected to the guiding unit; the guiding unit is arranged on the side of the flat car, and is configured to fix the connecting unit and the wheel stopper and drive the connecting unit and the wheel stopper to move longitudinally.

2. The blocking device according to claim 1, characterized in that, the connecting unit includes a connecting plate and a retaining hook; at least one end of the connecting plate is provided with a plurality of first oblong holes, and the connecting plate is fixed to the guiding unit through a connecting piece; the retaining hook is arranged at a position away from the end of the connecting plate of the first oblong hole.

3. The blocking device according to claim 2, characterized in that, the connecting unit further includes a first friction plate; the first friction plate is arranged at the bottom edge position of the connecting plate, and is provided with a plurality of second oblong holes thereon, and the second oblong holes are arranged corresponding to the first oblong holes; a serrated structure is arranged on the surface of the first friction plate away from the connecting plate; the first friction plate and the retaining hook are respectively located on different surfaces of the connecting plate.

4. The blocking device according to claim 3, characterized in that, the wheel stopper is arranged as a rectangular box structure; a connecting hole is arranged at the lower side of the wheel stopper corresponding to the retaining hook, and the retaining hook is configured to be inserted into the connecting hole to fix the wheel stopper.

5. The blocking device according to claim 3, characterized in that, the guiding unit includes a rotating part, an adjusting structure and a mounting structure; wherein, the rotating part is arranged as a rod-shaped structure, and at least a part of its surface is provided with threads; the adjusting structure is sleeved on the part of the rotating part provided with threads, and is configured to connect the connecting unit and drive the connecting unit and the wheel stopper to move longitudinally; the mounting structure is arranged at both ends of the rotating part and is mounted on the side of the flat car, and is configured to connect the rotating part and the adjusting structure; the position where the rotating part connects the mounting structure is not provided with threads.

6. The blocking device according to claim 5, characterized in that, the rotating part includes a first rotating part and a second rotating part, both of which are arranged as rod-shaped structures; wherein, the second rotating part is two, which are respectively arranged at both ends of the first rotating part and are connected through the mounting structure; the first rotating part is provided with threads, and the second rotating part is not provided with threads, and the two are integrally formed.

7. The blocking device according to claim 6, characterized in that, the adjusting structure includes an adjusting body, a guiding plate and a guiding rod; the adjusting body is arranged as a block structure and is sleeved on the first rotating part; the guiding plate is located below the adjusting body and is sleeved on the guiding rod; the guiding rod is arranged between the mounting structures.

8. The blocking device according to claim 7, characterized in that, The adjusting structure further includes a second friction plate; the second friction plate is disposed opposite to the first friction plate; the second friction plate is disposed above the adjusting body and is provided with a serrated structure thereon; the second friction plate and the first friction plate are connected by a connecting member.

9. The shielding device according to claim 7, wherein, two mounting structures are provided; each mounting structure includes an upper connecting plate, a lower connecting plate, a connecting column, a rotating part mounting seat and a guide rod mounting seat; the connecting column is provided as a columnar structure, one end of which is fixed in the column slot of the flat car, the lower connecting plate is sleeved on the connecting column and is located at the notch of the column slot, the upper connecting plate is disposed on the top of the connecting column, and the upper connecting plate and the lower connecting plate are fixed by a connecting member; the rotating part mounting seat is disposed above the upper connecting plate and is used for connecting the second rotating part; the guide rod mounting seat is disposed on the lower connecting plate and is used for connecting the guide rod.

10. The shielding device according to any one of claims 1 to 9, wherein, it further includes a suspension part; the suspension part is dispersedly disposed on the side of the flat car and is used for fixing the connecting unit and the wheel stopper when the railway flat car shielding device is in a non-use state.

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