Whole vehicle transportation protection device

Abstract

The utility model provides a whole vehicle transportation protection device, which comprises a vehicle bearing seat, a first mounting plate, a second mounting plate, a first magnet, a second magnet, a second magnet and a third magnet, and is characterized in that the top end of the vehicle bearing seat is fixedly connected with the first mounting plate; the buffer base is connected with the vehicle bearing seat in a sliding manner; the bottom end of the first mounting plate is fixedly connected with the buffer base, the bottom end of the second mounting plate is fixedly connected with the buffer base, and a second magnet is arranged in the second mounting plate. Impact force generated by inertia of the vehicle is buffered through repulsive force between the first magnet and the second magnet, vibration transmission caused by mechanical friction is eliminated, the stability of the transport vehicle is improved, the vehicle and the vehicle bearing seat move together, and the binding belt is prevented from being broken.

Description

TECHNICAL FIELD

[0001] The utility model relates to protection device technical field, especially a whole vehicle transportation protection device. BACKGROUND

[0002] The whole vehicle transportation of automobile refers to the logistics service that the complete and undismounted automobile is transported from the production place, the storage place or the sales place to the designated destination through the professional transport tool (such as sedan transport vehicle, railway flat car, roll-on / roll-off ship etc.

[0003] The sedan transport vehicle needs to be used in the process of transporting new cars from the automobile manufacturing plant to the 4S shop or the distributor, and the new car needs to be fixed on the sedan transport vehicle by the binding tape during the transportation process, when the sedan transport vehicle appears emergency brake, the new car generates the impact force of advancing under the action of inertia, and the impact force is too large, the binding tape can cause the new car to appear the scratch, and even the binding tape is broken, and there is the security risk. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a whole vehicle transportation protection device, which solves the problem of the security risk caused by the breakage of the binding tape when the sedan transport vehicle appears emergency brake and the new car generates the impact force of advancing under the action of inertia.

[0005] The utility model provides a whole vehicle transportation protection device, which comprises:

[0006] A vehicle bearing seat is provided with a first mounting plate fixedly connected to the top end of the vehicle bearing seat, the first mounting plate is arranged in an L shape with the vehicle bearing seat, and a first magnet is arranged in the first mounting plate.

[0007] A buffer base is arranged at the bottom end of the vehicle bearing seat, and the buffer base is slidably connected to the vehicle bearing seat.

[0008] A second mounting plate is fixedly connected to the buffer base at the bottom end of the second mounting plate, the second mounting plate is arranged in parallel with the first mounting plate, a second magnet is arranged in the second mounting plate, and the second magnet is opposite to the first magnet with the same polarity.

[0009] A reset assembly is arranged at one end of the vehicle bearing seat away from the first mounting plate, and the reset assembly is used to buffer the acting force when the vehicle bearing seat is reset.

[0010] Preferably, a stepped through slot is arranged in the buffer base.

[0011] The reset assembly comprises:

[0012] A pull rod is slidably connected to the stepped through slot.

[0013] An upper boarding plate, a top end of the upper boarding plate is fixedly connected with the vehicle bearing seat, and a bottom end of the upper boarding plate is fixedly connected with the pull rod;

[0014] A damping block, the damping block is located in the large-diameter section of the stepped through groove, and the damping block is fixedly connected with the pull rod;

[0015] An elastic member, the elastic member is connected with the pull rod sleeve, and the elastic member is located between the damping block and the large-diameter section of the stepped through groove.

[0016] Preferably, an air bag is arranged in the vehicle bearing seat, and the air bag is in abutment with the chassis of the vehicle after inflation.

[0017] Preferably, a limiting sliding groove is arranged on the upper surface of the buffer base, a sliding plate is slidably connected in the inner cavity of the limiting sliding groove, and a top end of the sliding plate is fixedly connected with the vehicle bearing seat.

[0018] Preferably, a scratch-preventing assembly is arranged on the outer periphery of the buffer base.

[0019] The scratch-preventing assembly comprises:

[0020] An entry frame, the entry frame is fixedly connected with the buffer base away from one end of the second mounting plate;

[0021] A blocking frame, the blocking frame is fixedly connected with the second mounting plate, and the blocking frame is arranged in parallel with the entry frame;

[0022] Two support rods, one end of each of the two support rods is fixedly connected with the entry frame, and the other end of each of the two support rods is connected with the blocking frame, and an outer periphery of the support rod is wrapped with a shielding cloth, and the shielding cloth is used for shielding the vehicle:

[0023] A bottom end of the shielding cloth is fixedly connected with a sliding ring, a horizontal rod is inserted into the inner cavity of the sliding ring, and the sliding ring is connected with the horizontal rod through bolts, one end of the horizontal rod is fixedly connected with the entry frame, and the other end of the horizontal rod is fixedly connected with the blocking frame.

[0024] Preferably, the horizontal rod is arranged in parallel below the support rod according to a preset height.

[0025] Preferably, a wheel fixing member is arranged in the vehicle bearing seat.

[0026] The wheel fixing member comprises:

[0027] A double-headed threaded rod, the double-headed threaded rod is connected with the vehicle bearing seat through a bearing, and a threaded sleeve is threadedly connected with the outer periphery of the double-headed threaded rod.

[0028] Wheel support, the wheel support is fixedly connected with the threaded sleeve, the groove of the wheel support is fixedly connected with a bandage connecting rod;

[0029] Guide rod, the guide rod is arranged in parallel with the double-threaded rod, both ends of the guide rod are fixedly connected with the vehicle bearing seat, and the guide rod is in sliding connection with the wheel support.

[0030] Preferably, the input end of the double-threaded rod is provided with a hand wheel, and the outer periphery of the hand wheel is provided with anti-skid lines.

[0031] Preferably, the bandage connecting rod is symmetrically distributed based on the wheel support.

[0032] Preferably, the side of the upper plate away from the vehicle bearing seat is machined with an inclined surface, and a strip-shaped groove is formed in the inclined surface of the upper plate, and the strip-shaped groove is used for increasing the friction between the wheel and the upper plate.

[0033] The utility model provides a whole vehicle transportation protection device:

[0034] Through the cooperation of the vehicle bearing seat, the first mounting plate, the first magnet, the buffer base, the second mounting plate, the second magnet and the like, when emergency braking occurs in the driving process of the car, the vehicle drives the vehicle bearing seat to continue to move on the upper surface of the buffer base along the driving direction under the action of inertia, and then the first mounting plate approaches the direction of the second mounting plate, the same poles of the first magnet and the second magnet are opposite to each other and repel each other, the impact force generated by inertia of the vehicle is buffered by the repelling force between the first magnet and the second magnet, and the vibration transmission caused by mechanical friction is eliminated, so that the stability of the transportation vehicle is improved, and the vehicle and the vehicle bearing seat move together, so that the bandage is prevented from breaking. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0036] Figure 1 It is a structural schematic view of the utility model;

[0037] Figure 2 It is a structural schematic view of the ladder-shaped groove, the pull rod, the upper plate, the damping block and the elastic member in the utility model;

[0038] Figure 3 It is a structural schematic view of the vehicle bearing seat, the first mounting plate, the buffer base and the second mounting plate in the utility model;

[0039] Figure 4 It is the structure schematic view of the vehicle bearing seat, the first mounting plate, the first magnet and the air bag in the utility model;

[0040] Figure 5 It is the structure schematic view of the double-end threaded rod, the wheel support, the bandage connecting rod and the guide rod in the utility model;

[0041] Figure 6 It is the structure schematic view of the car entering frame, the plugging frame, the shielding cloth and the supporting rod in the utility model;

[0042] Figure 7 It is the structure schematic view of the shielding cloth, the sliding ring, the horizontal rod and the bolt in the utility model.

[0043] Explanation of reference signs:

[0044] 1-vehicle bearing seat, 11-first mounting plate, 11a-first magnet, 12-air bag, 2-buffer base, 21-second mounting plate, 21a-second magnet, 22-stair through slot, 23-limiting sliding slot, 24-sliding plate, 3-reset assembly, 31-pull rod, 32-boarding plate, 33-damping block, 34-elastic member, 4-scratching prevention assembly, 41-car entering frame, 42-plugging frame, 421-shielding cloth, 421a-sliding ring, 421b-horizontal rod, 421c-bolt, 43-supporting rod, 5-wheel fixing piece, 51-double-end threaded rod, 511-threaded sleeve, 512-hand wheel, 52-wheel support, 521-bandage connecting rod, 53-guide rod. DETAILED DESCRIPTION

[0045] The technical scheme of the utility model will be described below in conjunction with embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0046] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0047] In the description of the utility model, it is understood that the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited. In addition, the terms "mounting", "connecting" and "connecting" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0048] In this embodiment, as shown in Figure 1 and Figure 3 A whole vehicle transportation protection device, comprising: a vehicle bearing seat 1, the top end of the vehicle bearing seat 1 is fixedly connected with a first mounting plate 11, the first mounting plate 11 is arranged in an L shape with the vehicle bearing seat 1, and a first magnet 11a is arranged in the first mounting plate 11; a buffer base 2, the buffer base 2 is located at the bottom end of the vehicle bearing seat 1, and the buffer base 2 is slidably connected with the vehicle bearing seat 1; a second mounting plate 21, the bottom end of the second mounting plate 21 is fixedly connected with the buffer base 2, the second mounting plate 21 is arranged in parallel with the first mounting plate 11, a second magnet 21a is arranged in the second mounting plate 21, and the second magnet 21a corresponds to the same pole of the first magnet 11a; a reset assembly 3 is arranged at the end of the vehicle bearing seat 1 away from the first mounting plate 11, and the reset assembly 3 is used for buffering the acting force when the vehicle bearing seat 1 resets.

[0049] Therefore, the buffer base 2 is fixedly connected with the car carrier, the vehicle to be transported is parked on the top of the vehicle bearing seat 1, when the car carrier drives in the process of emergency braking, the vehicle drives the vehicle bearing seat 1 to continue to move on the upper surface of the buffer base 2 along the driving direction under the action of inertia, and then the first mounting plate 11 approaches the second mounting plate 21, the same poles of the first magnet 11a and the second magnet 21a are opposite, and repel each other, the impact force generated by the inertia of the vehicle is buffered by the repelling force between the first magnet 11a and the second magnet 21a, the vibration transmission caused by mechanical friction is eliminated through the magnetic force between the first magnet 11a and the second magnet 21a, so that the stability of the transported vehicle is improved, and the vehicle and the vehicle bearing seat 1 move together, preventing the belt from breaking.

[0050] Specifically, the first mounting plate 11 is L-shaped with the vehicle carrier 1, and the second mounting plate 21 is also L-shaped with the buffer base 2. The vehicle carrier 1 can move laterally on the buffer base 2. The first magnet 11a and the second magnet 21a are both made of permanent magnet material. The first magnet 11a and the second magnet 21a are arranged in groups. The specific number of the first magnet 11a and the second magnet 21a is selected according to the use requirement.

[0051] In some embodiments, as shown in Figure 2 The buffer base 2 is provided with a stepped through slot 22. The reset assembly 3 comprises a pull rod 31 connected with the stepped through slot 22 in sliding mode, an upper plate 32 fixedly connected with the vehicle carrier 1 at the top end and fixedly connected with the pull rod 31 at the bottom end, a damping block 33 located in the large-diameter section of the stepped through slot 22 and fixedly connected with the pull rod 31, and an elastic member 34 connected with the pull rod 31 in sleeved mode and located between the damping block 33 and the large-diameter section of the stepped through slot 22.

[0052] Specifically, the pull rod 31 can move laterally in the stepped through slot 22. The upper plate 32 connects the pull rod 31 with the vehicle carrier 1. The damping block 33 is made of rubber material. The elastic member 34 is a compression spring. The reset speed of the vehicle carrier 1 on the buffer base 2 is slowed down by the friction between the damping block 33 and the large-diameter section of the stepped through slot 22 and the elasticity of the elastic member 34.

[0053] In some embodiments, as shown in Figure 4 The vehicle carrier 1 is provided with an air bag 12. The air bag 12 is in contact with the chassis of the vehicle after inflation.

[0054] Specifically, the air bag 12 is in contact with the chassis of the vehicle after inflation. Since the battery of the new energy vehicle is usually designed at the bottom of the vehicle, the design of the air bag 12 is beneficial to reduce the influence of the vibration force on the battery of the vehicle.

[0055] In some embodiments, as shown in Figure 2 and Figure 4 The upper surface of the buffer base 2 is provided with a limiting sliding groove 23. The limiting sliding groove 23 is connected with a sliding plate 24 in sliding mode. The top end of the sliding plate 24 is fixedly connected with the vehicle carrier 1.

[0056] The limiting sliding groove 23 is 1.5 times as long as the sliding plate 24 in length, so that the sliding plate 24 can move with the vehicle carrier 1 in the limiting sliding groove 23.

[0057] In some embodiments, as shown in Figure 6 and Figure 7As shown, the outer periphery of the buffer base 2 is provided with a scratch-proof assembly 4; the scratch-proof assembly 4 comprises: an entry frame 41 fixedly connected with the buffer base 2 away from one end of the second mounting plate 21; a blocking frame 42 fixedly connected with the second mounting plate 21, the blocking frame 42 being arranged in parallel with the entry frame 41; two support rods 43, one end of each of the two support rods 43 being fixedly connected with the entry frame 41, the other end of each of the two support rods 43 being connected with the blocking frame 42, the outer periphery of the support rod 43 being wrapped with a shielding cloth 421, the shielding cloth 421 being used for shielding the vehicle:

[0058] The bottom end of the shielding cloth 421 is fixedly connected with a sliding ring 421a, the inner cavity of the sliding ring 421a is inserted with a cross rod 421b, the sliding ring 421a is connected with the cross rod 421b through a bolt 421c, one end of the cross rod 421b is fixedly connected with the entry frame 41, the other end of the cross rod 421b is fixedly connected with the blocking frame 42;

[0059] Specifically, the entry frame 41 is provided with a through slot, the through slot of the entry frame 41 being used for the vehicle to drive onto the vehicle bearing seat 1, the blocking frame 42 is adapted to the second mounting plate 21, the support rod 43 is used for connecting the blocking frame 42 and the entry frame 41;

[0060] The shielding cloth 421 is located outside the two support rods 43, the shielding cloth 421 is used for shielding the top and side of the transport vehicle, the design of the shielding cloth 421 prevents the paint surface of the transport vehicle from being scratched, a plurality of sliding rings 421a are designed, the sliding ring 421a is used for connecting the shielding cloth 421 with the cross rod 421b, the bolt 421c is used for fixing the position of the sliding ring 421a on the cross rod 421b.

[0061] In some embodiments, as shown in Figure 6 The cross rod 421b is arranged in parallel below the support rod 43 according to a preset height;

[0062] The support rod 43 is designed to have two, one cross rod 421b being arranged below each of the two support rods 43, the cross rod 421b having the effect of connecting the entry frame 41 and the blocking frame 42.

[0063] In some embodiments, as shown in Figure 5As shown, the vehicle carrier 1 is provided with a wheel fixing member 5; the wheel fixing member 5 comprises: a double-headed threaded rod 51 connected with the vehicle carrier 1 through a bearing, and a threaded sleeve 511 threadedly connected to the outer periphery of the double-headed threaded rod 51; a wheel support 52 fixedly connected with the threaded sleeve 511, and a binding strap connecting rod 521 fixedly connected in the groove of the wheel support 52; and a pilot rod 53 arranged in parallel with the double-headed threaded rod 51, and fixedly connected at both ends with the vehicle carrier 1 and slidably connected with the wheel support 52.

[0064] Specifically, two double-headed threaded rods 51 are designed, and two threaded sleeves 511 are arranged on the outer wall of each double-headed threaded rod 51; the wheel support 52 is used to support the wheels of the vehicle, and the pilot rod 53 is used to constrain the moving direction of the wheel support 52, so as to facilitate the fixation of vehicles with different wheel spacings by changing the distance between the wheel supports 52.

[0065] In some embodiments, as shown in the drawings, Figure 5 The input end of the double-headed threaded rod 51 is provided with a hand wheel 512, and the outer periphery of the hand wheel 512 is provided with anti-skid lines.

[0066] The hand wheel 512 is used to drive the rotation of the double-headed threaded rod 51, and in addition, the hand wheel 512 can be replaced by a motor under the premise of meeting the rotation of the double-headed threaded rod 51.

[0067] In some embodiments, as shown in the drawings, Figure 5 The binding strap connecting rods 521 are symmetrically distributed based on the wheel supports 52.

[0068] Specifically, two binding strap connecting rods 521 are arranged on the top of each wheel support 52, and the binding strap connecting rods 521 are used to connect with external binding straps to fix the wheels on the wheel supports 52.

[0069] In some embodiments, as shown in the drawings, Figure 3 The upper loading plate 32 is machined with an inclined surface on the side away from the vehicle carrier 1, and a strip-shaped groove is formed on the inclined surface of the upper loading plate 32, which is used to increase the friction between the wheels and the upper loading plate 32.

[0070] The cross section of the upper loading plate 32 is triangular, and the strip-shaped groove is machined on the inclined surface of the upper loading plate 32 to increase the friction between the wheels and the upper loading plate 32, so as to facilitate the driving of the transport vehicle onto the vehicle carrier 1.

[0071] The working principle of the present application will be described below with reference to a preferred embodiment:

[0072] According to the width of the transported vehicle, the distance between the adjacent wheel supports 52 is adjusted by rotating the double-headed threaded rod 51 through the hand wheel 512, and with the rotation of the double-headed threaded rod 51, the two threaded sleeves 511 are moved towards each other, and the wheel supports 52 located on the outer wall of the threaded sleeves 511 are moved along the outer wall of the guide rod 53, and after the position of the wheel supports 52 is adjusted, the vehicle is driven to the top of the vehicle carrying seat 1, and the four wheels are located on the four wheel supports 52, and the binding belt is used to connect around the wheels and the binding belt connecting rod 521 to firmly fix the wheels on the wheel supports 52;

[0073] During transportation, the shielding cloth 421 is moved along the outer wall of the supporting rod 43, the shielding cloth 421 drives the sliding ring 421a to move along the outer periphery of the cross rod 421b, the outer periphery of the vehicle is shielded through the shielding cloth 421, and the sliding ring 421a and the cross rod 421b are connected through the bolt 421c, and when the automobile turns, the shielding cloth 421 prevents external branches and the like from scratching the outer paint surface of the vehicle;

[0074] When the elevator car drives and emergency braking occurs, the vehicle drives the vehicle carrying seat 1 to continue to move along the driving direction on the upper surface of the buffer base 2 under the action of inertia, and then the first mounting plate 11 approaches the direction of the second mounting plate 21, the same poles of the first magnet 11a and the second magnet 21a are opposite to each other and repel each other, the repelling force between the first magnet 11a and the second magnet 21a is used to buffer the impact force generated by inertia of the vehicle, so as to improve the stability of the transported vehicle, and the vehicle and the vehicle carrying seat 1 move together to prevent the binding belt from breaking;

[0075] Under the action of the repelling force between the first magnet 11a and the second magnet 21a, the vehicle carrying seat 1 is reset on the buffer base 2, and during the resetting process, the vehicle carrying seat 1 drives the pull rod 31 to move through the loading plate 32, the pull rod 31 drives the damping block 33 to move in the stepped through groove 22, the damping block 33 compresses the elastic element 34, and through the friction force between the damping block 33 and the stepped through groove 22 and the elastic potential energy of the elastic element 34, the rebound speed of the vehicle carrying seat 1 is slowed down, so as to improve the stability.

[0076] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A vehicle shipping protection device, characterized by, Include: Vehicle bearing seat (1), the top end of the vehicle bearing seat (1) is fixedly connected with the first mounting plate (11), the first mounting plate (11) is arranged in L type with the vehicle bearing seat (1), the first mounting plate (11) is configured with the first magnet (11a); Buffer base (2), the buffer base (2) is located at the bottom end of the vehicle bearing seat (1), and the buffer base (2) is slidably connected with the vehicle bearing seat (1); Second mounting plate (21), the bottom end of the second mounting plate (21) is fixedly connected with the buffer base (2), the second mounting plate (21) is arranged in parallel with the first mounting plate (11), the second mounting plate (21) is configured with the second magnet (21a), and the second magnet (21a) corresponds to the same polarity of the first magnet (11a); The end of the vehicle bearing seat (1) away from the first mounting plate (11) is provided with a reset component (3), and the reset component (3) is used for buffering the acting force when the vehicle bearing seat (1) resets.

2. The vehicle shipping protection device of claim 1, wherein, The buffer base (2) is provided with a stepped through slot (22); The reset component (3) comprises: Pull rod (31), the pull rod (31) is slidably connected with the stepped through slot (22); The top end of the upper plate (32) is fixedly connected with the vehicle bearing seat (1), and the bottom end of the upper plate (32) is fixedly connected with the pull rod (31); Damping block (33), the damping block (33) is located in the large diameter section of the stepped through slot (22), and the damping block (33) is fixedly connected with the pull rod (31); Elastic member (34), the elastic member (34) is connected with the pull rod (31) in a sleeve, and the elastic member (34) is located between the damping block (33) and the large diameter section of the stepped through slot (22).

3. The vehicle shipping protection device of claim 1, wherein, The vehicle bearing seat (1) is provided with an air bag (12), and the air bag (12) is in contact with the chassis of the vehicle after inflation.

4. The vehicle shipping protection device of claim 1, wherein, The upper surface of the buffer base (2) is provided with a limiting sliding groove (23), and the inner cavity of the limiting sliding groove (23) is slidably connected with a sliding plate (24), and the top end of the sliding plate (24) is fixedly connected with the vehicle bearing seat (1).

5. The vehicle shipping protection device of claim 1, wherein, The outer periphery of the buffer base (2) is provided with an anti-scratching component (4); The anti-scratching component (4) comprises: The entrance frame (41) is fixedly connected with the buffer base (2) away from the second mounting plate (21); The blocking frame (42) is fixedly connected with the second mounting plate (21), and the blocking frame (42) is arranged in parallel with the entrance frame (41); Two support rods (43), one end of the two support rods (43) is fixedly connected with the entrance frame (41), and the other end of the two support rods (43) is connected with the blocking frame (42), and the outer periphery of the support rod (43) is wrapped with a shielding cloth (421), and the shielding cloth (421) is used for shielding the vehicle: The bottom end of the shielding cloth (421) is fixedly connected with a sliding ring (421a), the inner cavity of the sliding ring (421a) is inserted with a cross rod (421b), the sliding ring (421a) is connected with the cross rod (421b) through bolts (421c), one end of the cross rod (421b) is fixedly connected with the vehicle entering frame (41), and the other end of the cross rod (421b) is fixedly connected with the plugging frame (42).

6. A vehicle shipping protection device according to claim 5, wherein The cross rod (421b) is arranged in parallel below the supporting rod (43) according to a preset height.

7. The vehicle shipping protection device of claim 1, wherein, The vehicle bearing seat (1) is provided with a wheel fixing piece (5); The wheel fixing piece (5) comprises: A double-thread rod (51) is connected with the vehicle bearing seat (1) through a bearing, and a threaded sleeve (511) is threadedly connected to the outer periphery of the double-thread rod (51); A wheel support (52) is fixedly connected with the threaded sleeve (511), and a band connecting rod (521) is fixedly connected in the groove of the wheel support (52); A guide rod (53) is arranged in parallel with the double-thread rod (51), both ends of the guide rod (53) are fixedly connected with the vehicle bearing seat (1), and the guide rod (53) is slidably connected with the wheel support (52).

8. A vehicle shipping protection device according to claim 7, wherein, An input end of the double-thread rod (51) is provided with a hand wheel (512), and the outer periphery of the hand wheel (512) is provided with anti-skid lines.

9. The vehicle shipping protection device of claim 7, wherein, The band connecting rods (521) are symmetrically distributed based on the wheel support (52).

10. The vehicle shipping protection device of claim 2, wherein, An inclined surface is processed on the side of the upper vehicle plate (32) away from the vehicle bearing seat (1), a strip-shaped groove is formed in the inclined surface of the upper vehicle plate (32), and the strip-shaped groove is used for increasing the friction between the wheel and the upper vehicle plate (32).

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