A translational-rotational support

Abstract

The application discloses a rotary translation support, which comprises a guide base, a center trolley, a rotary assembly and a support assembly. The guide base is used for being fixed on a cross-loading transportation device and is provided with a guide rail. The center trolley is movably arranged in the guide rail. The rotary assembly is arranged on the center trolley. The support assembly is arranged on the rotary assembly, so that the support assembly is rotatably arranged on the center trolley through the rotary assembly. The rotary translation support can make the end of a large-length article be translated and rotated, so as to adapt to the translation and rotation of the two ends of the large-length article when the middle part of the large-length article is fixedly rotated, thereby avoiding the deformation of the two ends of the large-length article caused by the stress due to the fact that the two ends of the large-length article cannot match the rotation angle of the middle part, and further avoiding the friction resistance between the two ends of the large-length article and the support or the cross-loading transportation device, so as to avoid the abrasion of the two ends of the large-length article or affect the smooth movement of the two ends of the large-length article.

Description

Technical Field

[0001] This application belongs to the technical field of railway flatcar transportation equipment, and particularly relates to a rotating and translating support. Background Technology

[0002] When transporting long items, multiple vehicles are needed for straddle loading. For example, transporting 25m long steel rails requires two flatcars as a straddle. In related technologies, to ensure the train can smoothly navigate curves, the long items are placed on straddle supports, which include a rotating support approximately in the middle of the long item and fixed supports at both ends. The rotating support only has a rotation function, while the fixed supports remain stationary. When the train passes through a curve, the rotation of the rotating support alone drives the long item placed on it to rotate. The fixed or moving ends of the long item on the fixed supports result in significant frictional resistance, limiting the straddle transport equipment's ability to navigate curves and making it difficult to pass through curves. This not only causes the long item itself to twist and deform, but also results in severe wear between the ends of the long item and the fixed supports or the straddle transport equipment.

[0003] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this disclosure, and therefore may include information that does not constitute prior art known to those skilled in the art. Summary of the Invention

[0004] This application aims to at least partially solve the technical problem in straddle transport of long items where only the rotating support in the middle of the long item has rotational function, and the relatively fixed or moving ends of the long item result in high frictional resistance, leading to the twisting and deformation of the rails and severe wear between the ends and the fixed support or straddle transport equipment. Therefore, this application provides a rotating and translating support.

[0005] This application provides a rotational translation support, the rotational translation support comprising:

[0006] A guide base is used to fix the cross-loading transport equipment, and the guide base is provided with guide rails;

[0007] The central trolley is movably mounted in the guide rail;

[0008] A rotating assembly is mounted on the central trolley; and,

[0009] A support assembly is disposed on the rotating assembly such that the support assembly is rotatably disposed on the central trolley via the rotating assembly.

[0010] In some embodiments, the rotating translation support further includes: a roller assembly disposed at the bottom of the support assembly, wherein the number of roller assemblies is at least two sets and they are respectively located on both sides of the central trolley.

[0011] In some embodiments, the extension direction of the guide rail is the same as or perpendicular to the length direction of the guide base.

[0012] In some embodiments, the central trolley includes a body and wheels disposed in the body, the central trolley moving in the guide rail via the wheels.

[0013] In some embodiments, limiting members are provided at both ends of the guide rail.

[0014] In some embodiments, the rotating assembly includes a rotating shaft and a rotating sleeve sleeved on the rotating shaft, the rotating shaft being disposed on the central trolley and the rotating sleeve being disposed at the bottom of the support assembly; or, the rotating shaft being disposed at the bottom of the support assembly and the rotating sleeve being disposed on the central trolley.

[0015] In some embodiments, the rotating assembly further includes a friction plate disposed at the bottom of the support assembly for connection with the rotating shaft or the rotating sleeve.

[0016] In some embodiments, the support assembly includes a square tube and end plates sealing both ends of the square tube.

[0017] In some embodiments, the support assembly further includes a cover plate and / or round steel disposed on the top of the square tube.

[0018] In some embodiments, the roller assembly includes a mounting box and rollers disposed on the mounting box, the mounting box being fixedly disposed at the bottom of the bracket assembly.

[0019] The embodiments of this application have at least the following beneficial effects:

[0020] The aforementioned rotating and translating support has a guide base fixed to the straddle-type transport equipment. A guide rail is mounted on the guide base, and a central trolley is movably positioned within the guide rail. The translation function of the rotating and translating support is achieved by the movement of the central trolley within the guide rail. Simultaneously, a rotating component is mounted on the central trolley, and the rotation function of the rotating and translating support is achieved by the rotation of the rotating component. This rotating and translating support can be used in straddle-type transport to support the ends of long items. When the straddle-type transport equipment passes through curves, the ends of the long items can translate and rotate. This accommodates the translation and rotation of the ends of the long items when the middle of the long item rotates at a fixed point, thus preventing deformation caused by stress due to the inability of the ends of the long items to match the rotation angle of the middle. Furthermore, it avoids frictional resistance between the ends of the long items and the support or the straddle-type transport equipment, preventing wear at the ends of the long items or hindering their smooth movement. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 The front view of the rotation and translation bracket in an embodiment of this application is shown;

[0023] Figure 2 It shows Figure 1 Top view of the rotating and translating support in the middle;

[0024] Figure 3 It shows Figure 1 Front view of the guide base in the transfer and translation support;

[0025] Figure 4 It shows Figure 3 A top view of the guide base in the middle;

[0026] Figure 5 It shows Figure 1 Left view of the central trolley in the transfer and translation support;

[0027] Figure 6 It shows Figure 5 A cross-sectional view of the central trolley in the diagram;

[0028] Figure 7 It shows Figure 1 A schematic diagram of the rotating sleeve in the rotating assembly of the transfer and translation support;

[0029] Figure 8 It shows Figure 1 A schematic diagram of the friction plate in the rotating assembly of the transfer and translation support;

[0030] Figure 9 It shows Figure 1 A schematic diagram of the square tube structure in the support assembly of the transfer and translation support;

[0031] Figure 10 It shows Figure 1 A schematic diagram of the sealing plate in the support assembly of the transfer and translation support;

[0032] Figure 11 It shows Figure 1 A schematic diagram of the cover plate in the support assembly of the transfer and translation support;

[0033] Figure 12 It shows Figure 1 A schematic diagram of the round steel structure in the support assembly of the transfer and translation support;

[0034] Figure 13 It shows Figure 1 A schematic diagram of the roller assembly in the transfer and translation support;

[0035] Figure 14 It shows Figure 13 A cross-sectional view of the roller assembly.

[0036] Figure label:

[0037] 100. Guide base; 110. Base body; 120. Guide rail; 130. Side plate; 200. Rotating assembly; 210. Rotating shaft; 220. Rotating sleeve; 230. Friction plate; 300. Bracket assembly; 310. Square tube; 320. Sealing plate; 330. Cover plate; 340. Round steel; 400. Roller assembly; 410. Mounting box; 420. Roller; 500. Central trolley; 510. Car body; 520. Wheel. Detailed Implementation

[0038] The technical solutions of the embodiments of this application 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 application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0039] Furthermore, reference numerals and / or reference letters may be repeated in different examples in this application. Such repetition is for simplification and clarity purposes and does not in itself indicate a relationship between the various embodiments and / or settings discussed. In addition, this application provides examples of various specific processes and materials; however, those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0040] This application is described below with reference to the accompanying drawings and specific embodiments:

[0041] This application provides a rotation and translation bracket, such as... Figure 1 and Figure 2 As shown, the rotation and translation bracket in this embodiment includes:

[0042] The guide base 100 is used to fix it on the straddle transport equipment, and the guide base 100 is provided with a guide rail 120;

[0043] The central trolley 500 is movably mounted in the guide rail 120;

[0044] Rotating component 200 is mounted on the central trolley; and,

[0045] The support assembly 300 is mounted on the rotating assembly 200 so that the support assembly 300 is rotatably mounted on the central trolley 500 via the rotating assembly 200.

[0046] The rotating and translating bracket of this embodiment is used to support long items such as steel rails in straddle transport. This rotating and translating bracket can be used in conjunction with rotating brackets installed in the middle of long items in related technologies, i.e., the middle of the long item is supported by a rotating bracket, and the two ends of the long item are supported by the rotating and translating bracket of this application; alternatively, multiple rotating and translating brackets can be used to support long items, i.e., the middle and two ends of the long item can be supported by the rotating and translating bracket of this application respectively. When the straddle transport equipment passes through curves, the rotating and translating brackets supported at both ends of the long item can rotate and translate in conjunction with the rotating bracket or rotating and translating bracket supported in the middle of the long item. By coordinating the translation and rotation at both ends of the long item with the rotation at the middle, the torsional force on the long item is counteracted, thereby preventing twisting and deformation of the long item. Furthermore, the support of the rotating and translating brackets can reduce the frictional resistance experienced by the two ends of the long item during translation or rotation, preventing wear on the ends of the long item or wear on the straddle transport equipment.

[0047] In this embodiment of the rotating translation bracket, the guide base 100 is fixed to the straddle transport equipment. A guide rail 120 is provided on the guide base 100, and the central trolley 500 is movably disposed in the guide rail 120. The translation function of the rotating translation bracket is realized by the movement of the central trolley 500 in the guide rail 120. At the same time, a rotating component 200 is provided on the central trolley 500, and the rotation function of the rotating translation bracket is realized by the rotation of the rotating component 200. This rotating translation bracket can be used to support the ends of long items in straddle transport. Thus, when the straddle transport equipment passes through a curve, the ends of the long items can be translated and rotated to adapt to the translation and rotation of the ends of the long items when the middle of the long items is rotated. This avoids deformation caused by stress due to the inability of the ends of the long items to match the rotation angle of the middle. It also avoids frictional resistance between the ends of the long items and the bracket or the straddle transport equipment, which would cause wear at the ends of the long items or affect the smooth movement of the ends of the long items.

[0048] In this embodiment, by moving the central trolley 500 within the guide rail 120, the support assembly 300 can not only rotate relative to the guide base 100 but also translate relative to it. When the straddle-type transport equipment consisting of two flatcars passes through a curve, the rail rotates around a rotating support located at or near the center of the rail. Since the relative distance between the rotating support located at or near the center of the rail and the rotating translational supports at both ends of the rail is fixed, the positions of the two ends of the rail on the support assembly 300 of the rotating translational supports will undergo a certain translation after rotation. This translation will inevitably cause wear between the rail and the support assembly 300. To prevent the two ends of the rail from shifting on the support assembly 300, the central trolley 500 is moved in the guide rail 120, which in turn causes the support assembly 300 to shift relative to the guide base 100. This allows the two ends of the rail to rotate at a certain angle and shift by a certain distance, so as to adapt to the positional changes of the two ends of the rail caused by the straddle transport equipment passing through the curve, and to avoid the deformation problem caused by the two ends of the rail not changing position in time according to the bending of the straddle transport equipment.

[0049] In this embodiment, "long-length items" refers to items that require multiple transport units to be articulated together to adapt their length for transport. In railway transport, long-length items can be steel rails exceeding 20 meters in length, requiring two flatcars to form a straddle-load transport device for transport; in road transport, long-length items can be steel pipes exceeding 15 meters in length, requiring two or more wagons to form a straddle-load transport device for transport. In the following embodiments of this application, the rotating and translating support of this application is illustrated by taking the transport of a 25-meter-long steel rail using a straddle-load transport device composed of two flatcars as an example.

[0050] When steel rails are transported across two flatcars, the relevant technology employs a rotating support at or near the middle of the rail, with this support located in one of the flatcars. The two ends of the rail are situated in the two flatcars, either directly resting on the flatcars or supported by ordinary supports located on the two flatcars. When the two flatcars traverse a curve, one flatcar bends relative to the other. Consequently, the rails located between the two flatcars experience bending stress. Even if the rails rotate at a certain angle under the influence of the rotating support located at or near the middle of the rails, partially offsetting the bending angle, the rails still experience significant bending stress due to frictional resistance and the difficulty of movement at their ends. This stress easily leads to rail deformation, and the two ends of the rails inevitably move on the flatcars under the influence of bending stress, resulting in significant wear on the flatcars.

[0051] The rotating and translating support of this application can be used to support both ends of a rail. When a straddle-type transport equipment consisting of two flatcars passes through a curve, the rail rotates at a certain angle under the drive of the rotating support located at or near the middle of the rail. At the same time, both ends of the rail can also translate and rotate under the support of the rotating and translating support, thereby offsetting the remaining bending stress through translation and rotation and preventing the rail from bending and deforming. In addition, the simultaneous translation and rotation of both ends of the rail under the drive of the rotating and translating support can avoid relative movement between the two ends of the rail and the rotating and translating support, that is, reduce the frictional resistance generated by relative movement, and also avoid direct contact between the two ends of the rail and the flatcar, thereby avoiding wear on the flatcar.

[0052] As an optional implementation, the rotating translation bracket further includes: a roller assembly 400, which is disposed at the bottom of the bracket assembly 300, and the number of roller assemblies 400 is at least two sets, which are respectively located on both sides of the central small 500 vehicle.

[0053] In the rotational translation support of this embodiment, such as Figure 1 and Figure 2 As shown, roller assemblies 400 are provided on both sides of the support assembly 300, so that when the support assembly 300 is translated and rotated, the roller assemblies 400 can roll on the guide base 100 to provide rolling support for the support assembly 300, reduce the resistance of the support assembly 300 in translation and / or rotation, and avoid wear of the two ends of the support assembly 300 on the cross-loading transport equipment or the guide base 100 when the support assembly 300 is rotated.

[0054] As an alternative implementation, the extension direction of the guide rail 120 is the same as or perpendicular to the length direction of the guide base 100.

[0055] In this embodiment, as Figure 3 and Figure 4As shown, the guide base 100 includes a base body 110, with a guide rail 120 located in the middle of the base body 110. The extension direction of the guide rail 120 is perpendicular to the length direction of the base body 110. Side plates 130 are located at both ends of the base body 110. The base body 110 can be fixed to a straddle-type transport device, such as the underframe of a flatcar, via the side plates 130. It should be noted that the extension direction of the guide rail 120 is the same as the length direction of the long item; therefore, the fixing direction of the base body 110 on the straddle-type transport device is perpendicular to the length direction of the long item.

[0056] In other embodiments, the extension direction of the guide rail 120 can be the same as the length direction of the guide base 100. This allows the central trolley 500 to translate in the same direction as the guide base. The translation of both ends of the rail in the same direction as the guide base 100 also reduces the bending stress on the ends of the rail.

[0057] In other embodiments, the central trolley 500 can be moved both in the same direction as the guide base 100 and in a direction perpendicular to the guide base 100 by combining guide rails. The structure and arrangement principle of the guide rail 120 and the central trolley 500 are the same as in this embodiment, and will not be described again here.

[0058] As an alternative implementation method, such as Figure 5 and Figure 6 As shown, the central trolley 500 includes a body 510 and wheels 520 disposed in the body 510. The central trolley 500 moves in the guide rail 120 via the wheels 520.

[0059] In this embodiment, the body 510 of the central trolley 500 is used to provide wheels 520 so that the central trolley can move in the guide rail 120 by means of the wheels 520. The rolling of the wheels 520 reduces the moving resistance of the support assembly 300 relative to the guide base 100 or the straddle transport equipment, thereby reducing the moving resistance of the end of the long item.

[0060] As an optional implementation, the guide rail 120 is provided with limiting members at both ends.

[0061] In this embodiment, by providing limiting members at both ends of the guide rail 120, the central trolley 500 can be prevented from detaching from the guide rail 120, thus avoiding affecting the normal operation of the rotating and translating support. Optionally, the length of the guide rail 120, i.e., the distance between the limiting members at both ends of the guide rail 120, can be determined based on the end movement distance of a long item when passing through a curve. Those skilled in the art can determine this through calculation, and it will not be elaborated here.

[0062] As an alternative implementation method, such as Figure 6 and Figure 7 As shown, the rotating assembly 200 includes a rotating shaft 210 and a rotating sleeve 220 sleeved on the rotating shaft 210. The rotating shaft 210 is disposed on the central trolley 500, and the rotating sleeve 220 is disposed at the bottom of the support assembly 300; or, the rotating shaft 210 is disposed at the bottom of the support assembly 300, and the rotating sleeve 220 is disposed on the central trolley 500.

[0063] In this embodiment, the rotation function of the rotating assembly 200 is achieved through a rotating shaft 210 and a rotating sleeve 220 sleeved on the rotating shaft 210. The rotating sleeve 220 can rotate around the rotating shaft 210 as its axis. This structural form of the rotating assembly 200 ensures that it remains on the same rotation axis during rotation, avoiding rotational deviation. The positions of the rotating shaft 210 and the rotating sleeve 220 can be interchanged as needed, specifically in the following example... Figure 6 and Figure 7 In the embodiment shown, the rotating shaft 210 can be set on the top of the central trolley 500, that is, on the top of the trolley body 510, and the rotating sleeve 220 is set on the bottom of the support assembly. The rotating sleeve 220 is sleeved on the rotating shaft 210, so that the support assembly can rotate relative to the central trolley 500.

[0064] In other embodiments, the rotating component 200 may also adopt other structural forms, for example, a shaft hole is provided on the support component to fit onto the rotating shaft 210.

[0065] As an alternative implementation method, such as Figure 1 and Figure 8 As shown, the rotating assembly 200 also includes a friction plate 230, which is disposed at the bottom of the support assembly 300 to be connected to the rotating shaft 210 or the rotating sleeve 220.

[0066] In this embodiment, as Figure 1 As shown, the rotating sleeve 220 not only needs to rotate relative to the rotating shaft 210 to drive the support assembly to rotate, but also needs to support the support assembly. Therefore, the rotating sleeve is subjected to large axial and radial forces. In order to improve the connection strength between the rotating sleeve 220 and the support assembly, the rotating sleeve is connected to the bottom of the bracket assembly 300 through the friction plate 230 to increase the contact area between the rotating sleeve and the support assembly and improve the stability of the rotating support.

[0067] As an alternative implementation method, such as Figure 9 and Figure 10 As shown, the support assembly 300 includes a square tube 310 and sealing plates 320 that seal both ends of the square tube 310.

[0068] In this embodiment, the main body of the support component is a square tube 310, which can support long items. A sealing plate 320 is provided at the end of the square tube 310 to prevent foreign objects from entering the interior of the square tube 310, so as to avoid affecting the normal use of the rotating and translating bracket.

[0069] As an alternative implementation method, such as Figure 1 , Figure 11 as well as Figure 12 As shown, the bracket assembly 300 also includes a cover plate 330 and / or a round steel bar 340 disposed on the top of the square tube 310.

[0070] In this embodiment, by providing a cover plate 330 on the top of the square tube 310, the area of ​​the support component for bearing long items is increased by the cover plate 330, that is, the contact area with the long items is increased, so that the long items can rotate and translate synchronously with the rotation and translation component under the action of friction.

[0071] In this embodiment, by setting round steel 340 on the top of square tube 310 or cover plate 330, the area and strength of the support assembly for bearing long items can be increased, and the contact area between the support assembly and the long items can be increased, so that the long items can rotate and translate synchronously with the rotation and translation assembly under the action of friction.

[0072] As an alternative implementation method, such as Figure 1 , Figure 13 as well as Figure 14 As shown, the roller assembly 400 includes a mounting box 410 and rollers 420 disposed on the mounting box 410. The mounting box 410 is fixedly disposed at the bottom of the bracket assembly 300.

[0073] In this embodiment, optionally, the mounting box 410 can be welded to the bottom of the bracket assembly 300, thereby supporting the bracket assembly 300 via rollers 420. The translation and rotation of the bracket assembly 300 rely on the rolling of the wheels 520 of the central trolley 500 and the rolling of the rollers 420 of the roller assembly 400, which reduces the resistance to the translation and rotation of the support assembly, making the translation and rotation of the support assembly easier, and also reduces the friction between the rotating and translating bracket and the guide base 100. Figure 1 In the rotating and translating bracket of this embodiment, six sets of roller assemblies 400 are located on both sides of the rotating assembly 200 and connected to the bracket assembly 300. When the bracket assembly 300 translates and rotates relative to the guide base 100, the roller assemblies 400 can provide support for the bracket assembly 300 and move synchronously.

[0074] When a straddle-type transport device passes through a curve, the straddle-type transport device and the long-length item experience relative movement stress. If the relative movement of the long-length item relative to the straddle-type transport device cannot offset this stress, it will cause deformation of the long-length item. Furthermore, the rotation angle and translation distance of the potential relative movement caused by this stress vary at different positions of the long-length item. The rotation and translation bracket proposed in this application can drive the long-length item to rotate and translate, thereby offsetting the aforementioned stress through the rotation and translation of the long-length item and preventing deformation of the long-length item. Furthermore, in this embodiment, the rotation and translation bracket rotates and translates through the wheels 520 of the central trolley 500 and the rollers 420 of the roller assembly 400, reducing the friction between the bracket assembly 300 and the guide base 100 and reducing the resistance to rotation and translation of the rotation and translation bracket.

[0075] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0076] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0077] It should be noted that all directional indications in the embodiments of this application are only used to explain the relative positional relationship and movement of each component in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0078] In this application, unless otherwise expressly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0079] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0080] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0081] Furthermore, the technical solutions of the various embodiments can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0082] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A rotating and translating support, characterized in that, The rotational translation support includes: A guide base is used to fix the cross-loading transport equipment, and the guide base is provided with guide rails; The central trolley is movably mounted in the guide rail; A rotating assembly is mounted on the central trolley. A support assembly, disposed on the rotating assembly, such that the support assembly is rotatably mounted on the central trolley via the rotating assembly; and, A roller assembly is disposed at the bottom of the support assembly. The number of roller assemblies is at least two sets and they are respectively located on both sides of the central trolley. The roller assembly includes a mounting box and rollers disposed on the mounting box. The mounting box is fixedly disposed at the bottom of the support assembly. The guide rail is a combined guide rail, which allows the central trolley to translate in the same direction as the guide base, and also allows the central trolley to translate in a direction perpendicular to the guide base. The rotating and translating bracket is used to support at least both ends of a long item, and is used in conjunction with a rotating bracket or the rotating and translating bracket that supports the middle of the long item, in order to avoid deformation caused by the two ends of the long item not being able to change position in time according to the bending of the cross-loading transport equipment.

2. The rotating translation bracket as described in claim 1, wherein the extending direction of the guide rail is the same as or perpendicular to the length direction of the guide base.

3. The rotating translational support as described in claim 1, characterized in that, The central trolley includes a body and wheels disposed in the body, and the central trolley moves in the guide rail via the wheels.

4. The rotating and translating support as described in claim 1, characterized in that, The guide rail is equipped with limiting components at both ends.

5. The rotational translation bracket as described in any one of claims 1 to 4, characterized in that, The rotating assembly includes a rotating shaft and a rotating sleeve sleeved on the rotating shaft. The rotating shaft is located on the central trolley, and the rotating sleeve is located at the bottom of the support assembly; or, the rotating shaft is located at the bottom of the support assembly, and the rotating sleeve is located on the central trolley.

6. The rotating translational support as described in claim 5, characterized in that, The rotating assembly further includes a friction plate disposed at the bottom of the support assembly for connection with the rotating shaft or the rotating sleeve.

7. The rotating translational support as described in claim 5, characterized in that, The support assembly includes a square tube and sealing plates at both ends of the square tube.

8. The rotating translational support as described in claim 7, characterized in that, The support assembly also includes a cover plate and / or round steel disposed on the top of the square tube.

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