Flatcar

Abstract

A flatcar, comprising: a car body (1), the car body (1) comprising a bearing surface (11) for bearing cargoes; and ramps (2), the ramps (2) being rotatably mounted at one end of the bearing surface (11). The ramps (2) have an unfolded state and a folded state. In the folded state, the ladders (2) are folded onto the car body (1). In the unfolded state, the ramps (2) are unfolded in the direction of length of the flatcar (10) and are adapted to abut against the ground. The car body (1) is provided with first buffer devices (3), wherein the first buffer devices (3) are configured to come into flexible contact with the ramps (2) in the unfolded state and / or the folded state.

Description

A flatbed cart

[0001] Cross-reference to related applications

[0002] This application claims priority to Chinese patent application No. 2024118064942, filed on December 10, 2024, the entire contents of which are incorporated herein by reference. Technical Field

[0003] This disclosure relates to the field of flatcar technology, and more particularly to a flatcar. Background Technology

[0004] In related technologies, a flatbed cart includes a body and a ladder. The ladder is connected to the body. The body is typically a steel structure. When the ladder is extended or retracted, it comes into rigid contact with the steel body; this can lead to damage to the paint on the body surface and damage to the ladder itself. Summary of the Invention

[0005] This disclosure aims to at least address one of the technical problems existing in the prior art. To this end, the present invention proposes a flatbed cart that can avoid rigid contact between the ladder and the steel structure of the cart body, thereby reducing damage to the paint on the surface of the cart body, and also helps to protect the ladder, thereby reducing damage to the ladder.

[0006] A flatcar according to an embodiment of the present disclosure includes: a car body, the car body including a bearing surface for carrying goods; a ladder, the ladder being rotatably mounted on one end of the bearing surface, the ladder having an extended state and a retracted state, in the retracted state the ladder is retracted into the car body, and in the extended state the ladder is extended along the length of the flatcar and adapted to overlap with the ground; wherein the car body is provided with a first buffer device, the first buffer device being configured to flexibly contact the ladder in the extended state and / or the retracted state. Attached Figure Description

[0007] The above and / or additional aspects and advantages of this disclosure will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0008] Figure 1 is a first schematic diagram of a flatcar according to some embodiments of the present disclosure;

[0009] Figure 2 is a second schematic diagram of a flatcar according to some embodiments of the present disclosure;

[0010] Figure 3 is a third schematic diagram of a flatcar according to some embodiments of the present disclosure;

[0011] Figure 4 is a partial schematic diagram of the first buffer device of the flatcar in some embodiments of this disclosure;

[0012] Figure 5 is a schematic diagram of the second buffer device of the flatcar according to some embodiments of the present disclosure;

[0013] Figure 6 is a schematic diagram of the ladder of a flatcar according to some embodiments of the present disclosure.

[0014] The correspondence between the reference numerals and component names in the attached drawings is as follows:

[0015] 10. Flatcar; 1. Car body; 11. Bearing surface; 12. Mounting seat; 13. Rotating shaft; 14. Connecting shaft; 141. Connecting bushing; 15. Rotating shaft; 2. Ladder; 21. Transition surface; 22. Anti-slip strip; 23. Anti-wear strip; 3. First buffer device; 31. First buffer block; 32. Second buffer block; 4. Second buffer device; 41. Elastic element; 42. First mounting seat; 43. Second mounting seat; 5. Reinforcing device; 6. Cylinder. Embodiments of the present invention

[0016] To better understand the technical solutions provided in the embodiments of this specification, the technical solutions of the embodiments of this specification will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the embodiments of this specification and the specific features in the embodiments are detailed descriptions of the technical solutions of the embodiments of this specification, rather than limitations on the technical solutions of this specification. In the absence of conflict, the embodiments of this specification and the technical features in the embodiments can be combined with each other.

[0017] In this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element. The term "two or more" includes two or more cases.

[0018] In related technologies, the flatbed cart 10 includes a cart body 1 and a ladder 2. The ladder 2 is connected to the cart body 1. The cart body 1 is typically a steel structure. When the ladder 2 is extended or retracted, it comes into rigid contact with the steel structure of the cart body 1. This can cause damage to the paint on the surface of the cart body 1, and also damage to the ladder 2.

[0019] In response, this publication proposes a flatbed carriage 10.

[0020] The flatcar 10 according to an embodiment of the present disclosure includes: a car body 1, a ladder 2, and a first buffer device 3.

[0021] As shown in Figure 1, the vehicle body 1 includes a support surface 11 for carrying goods. A ladder 2 is rotatably mounted on one end of the support surface 11. The ladder 2 has an extended state and a retracted state. In the retracted state, as shown in Figures 1 and 2, the ladder 2 is retracted into the vehicle body 1.

[0022] It is understood that the goods can be motor vehicles or containers, etc., and there are no restrictions here.

[0023] For example, when in the stowed state, the ladder 2 can be rotated to the top of the vehicle body 1, that is, at least part of the projection of the ladder 2 falls on the vehicle body 1 in the height direction of the flatcar 10; in this way, the space occupied by the ladder 2 in the length or width direction of the flatcar 10 when in the stowed state can be reduced; thereby reducing the impact on the length or width dimensions of the flatcar 10.

[0024] In the unfolded state, as shown in Figure 3, the ladder 2 unfolds along the length of the flatbed 10 and is adapted to overlap with the ground.

[0025] This allows goods such as containers or motor vehicles to be transported to the loading surface 11 via the ladder 2, thereby reducing the difficulty of loading and unloading goods; in particular, motor vehicles can be loaded and unloaded by their own wheels via the ladder 2, further reducing the difficulty of loading and unloading motor vehicles.

[0026] In some embodiments, the ladder 2 is rotatably mounted on the vehicle body 1 so that when it is necessary to load and unload wheeled and tracked vehicles, the wheeled and tracked vehicles can climb to the bearing surface 11 or move to the ground via the ladder 2, so that the wheeled and tracked vehicles can be loaded and unloaded by their own wheels via the ladder 2, further reducing the difficulty of loading and unloading motor vehicles, and the user can control the state of the ladder 2 as needed, thereby meeting the user's usage needs.

[0027] In some embodiments, the vehicle body 1 may be provided with a first buffer device 3. The first buffer device 3 is configured to flexibly contact the ladder 2 in the deployed state and / or retracted state.

[0028] For example, the first buffer device 3 can be an elastic element 41 or a flexible element, etc., capable of flexible contact, and is not limited here. It is understood that since the vehicle body 1 is usually a steel structure, by setting the first buffer device 3, when the ladder 2 is in the unfolded state, the first buffer device 3 is in flexible contact with the ladder 2, thereby avoiding rigid contact between the ladder 2 and the vehicle body 1 in the unfolded state; or when the ladder 2 is in the retracted state, the first buffer device 3 is in flexible contact with the ladder 2, thereby avoiding rigid contact between the ladder 2 and the vehicle body 1 in the retracted state; or when the ladder 2 is in both the unfolded and retracted states, the first buffer device 3 can be in flexible contact with the ladder 2, thereby avoiding rigid contact between the ladder 2 and the vehicle body 1 in both the unfolded and retracted states, that is, avoiding rigid contact between the ladder 2 and the steel structure of the vehicle body 1, so as to reduce damage to the paint on the surface of the vehicle body 1, and also to protect the ladder 2, thereby reducing damage to the ladder 2.

[0029] According to an embodiment of the flatbed 10 of this disclosure, the body 1 includes a bearing surface 11 for carrying goods. A ladder 2 is rotatably mounted to one end of the bearing surface 11. The ladder 2 has an extended state and a retracted state; in the retracted state, the ladder 2 is retracted into the body 1. In the extended state, the ladder 2 extends along the length of the flatbed 10 and is adapted to overlap with the ground. In some embodiments, a first buffer device 3 is provided at the connection between the body 1 and the ladder 2. The first buffer device 3 is configured to flexibly contact the ladder 2 in the extended state and / or retracted state, so that when the ladder 2 is in the extended state and / or retracted state, the body 1 can flexibly contact the ladder 2 through the first buffer device 3, thereby avoiding rigid contact between the ladder 2 and the steel structure of the body 1, thereby reducing damage to the coating on the surface of the body 1, and helping to protect the ladder 2, thereby reducing damage to the ladder 2.

[0030] In some embodiments, as shown in FIG4, the first buffer device 3 includes a first buffer block 31 and a second buffer block 32. The first buffer block 31 is configured to flexibly contact the ladder 2 in the unfolded state. The second buffer block 32 is configured to flexibly contact the ladder 2 in the retracted state.

[0031] This allows the ladder 2 to flexibly contact the first buffer block 31 when it is in the unfolded state, and to flexibly contact the second buffer block 32 when it is in the retracted state. In this way, the first buffer block 31 and the second buffer block 32 can achieve flexible contact with the ladder 2 when the ladder 2 is in different states. This avoids the ladder 2 from rigidly contacting the vehicle body 1 when it is in the unfolded and retracted states, that is, avoids the ladder 2 from rigidly contacting the steel structure of the vehicle body 1. This reduces damage to the paint on the surface of the vehicle body 1 and helps to protect the ladder 2, thereby reducing damage to the ladder 2.

[0032] In some implementations, the first buffer block 31 and the second buffer block 32 can both be rubber blocks, which helps to reduce the cost and installation difficulty of the first buffer block 31 and the second buffer block 32.

[0033] In some embodiments, as shown in FIG2, the vehicle body 1 is provided with a mounting base 12. The ladder 2 is rotatably connected to the mounting base 12 via a pivot 13. As shown in FIG4, the first buffer block 31 and the second buffer block 32 are both mounted on the mounting base 12 and are located on both sides of the ladder 2 in the circumferential direction of the pivot 13.

[0034] This allows the ladder 2 to be rotatably connected to the mounting base 12 via the pivot 13, thus enabling the ladder 2 to be rotatably connected to the vehicle body 1, and facilitating the switching between the ladder 2's unfolded and stowed states. In some embodiments, as shown in Figure 4, the first buffer block 31 and the second buffer block 32 are both mounted on the mounting base 12 and located on both sides of the ladder 2 in the circumferential direction of the pivot 13.

[0035] It is understood that the rotation direction of the ladder 2 is the circumferential direction of the rotating shaft 13. Therefore, the first buffer block 31 and the second buffer block 32 are positioned on both sides of the ladder 2 in the circumferential direction of the rotating shaft 13, so that the first buffer block 31 and the second buffer block 32 can be positioned on the rotation path of the ladder 2. This allows the ladder 2 to flexibly contact the first buffer block 31 when it is in the unfolded state; and to flexibly contact the second buffer block 32 when it is in the retracted state, thereby avoiding rigid contact between the ladder 2 and the vehicle body 1 in both the unfolded and retracted states, i.e., avoiding rigid contact between the ladder 2 and the steel structure of the vehicle body 1; thus reducing damage to the paint on the surface of the vehicle body 1 and protecting the ladder 2, thereby reducing the risk of damage to the ladder 2.

[0036] In some embodiments, both the first buffer block 31 and the second buffer block 32 are mounted on the mounting base 12 to reduce the difficulty of setting up the first buffer block 31 and the second buffer block 32.

[0037] In some embodiments, the mounting base 12 is further provided with a rotating shaft 15. The flatcar 10 also includes a cylinder 6. The cylinder 6 is rotatably mounted on the mounting base 12 via the rotating shaft 15. The cylinder 6 is used to drive the ladder 2 to switch between an extended state and a retracted state.

[0038] It should be noted that in related technologies, ladders are usually manually controlled to unfold and retract, which is physically demanding and poses safety hazards. In this disclosure, by using cylinder 6, the ladder 2 can switch between unfolded and retracted states, thereby reducing the difficulty of switching between these states; at the same time, it is simple to operate and helps to reduce safety hazards.

[0039] In some embodiments, as shown in FIG4, a bushing is provided at the connection between the rotating shaft 13 and the mounting base 12. The bushing is fitted onto the rotating shaft 13.

[0040] Therefore, by setting the bushing, the wear at the connection between the rotating shaft 13 and the mounting base 12 can be reduced, thereby protecting the rotating shaft 13 and the mounting base 12.

[0041] In some embodiments, as shown in FIG1, the flatcar 10 further includes a second buffer device 4. The second buffer device 4 is rotatably mounted on the car body 1, the second buffer device 4 is adapted to be elastically connected to the ladder 2, and the second buffer device 4 is used to apply an elastic preload force to the ladder 2 to rotate toward the stowed state.

[0042] Therefore, by setting up a second buffer device 4, during the process of switching the ladder 2 from the retracted state to the unfolded state, the second buffer device 4 provides a certain damping force on the rotation of the ladder 2, so as to prevent the ladder 2 from rotating too fast and hitting the first buffer device 3 or the vehicle body 1, thereby avoiding rigid contact between the ladder 2 and the steel structure vehicle body 1; thus reducing damage to the paint on the surface of the vehicle body 1, and helping to protect the ladder 2, thereby reducing damage to the ladder 2.

[0043] In some embodiments, the mounting base 12 is provided with a connecting shaft 14, and the second buffer device 4 is rotatably connected to the mounting base 12 through the connecting shaft 14, so that the second buffer device 4 can rotate around the connecting shaft 14 to achieve synchronous rotation with the ladder 2; thereby ensuring that the second buffer device 4 can continuously apply an elastic preload force to the ladder 2 to rotate toward the retracted state during the process of the ladder 2 switching from the retracted state to the unfolded state.

[0044] In some embodiments, a connecting bushing 141 is provided at the connection between the connecting shaft 14 and the mounting base 12. The connecting bushing 141 is sleeved on the connecting shaft 14; thereby, the wear at the connection between the connecting shaft 14 and the mounting base 12 is reduced by the provision of the connecting bushing 141, thereby protecting the connecting shaft 14 and the mounting base 12.

[0045] In some embodiments, as shown in FIG5, the second buffer device 4 includes an elastic element 41.

[0046] Therefore, the elastic preload force that rotates the ladder 2 toward the retracted state can be applied through the elastic element 41. For example, the elastic element 41 can be a structure with elastic deformation capability such as a spring or leaf spring. Thus, the structure of the elastic element 41 is relatively simple, which helps to reduce the installation cost and difficulty of the second buffer device 4.

[0047] In some embodiments, as shown in FIG5, the second buffer device 4 further includes a first mounting base 42 and a second mounting base 43. The first mounting base 42 is rotatably connected to the vehicle body 1. The second mounting base 43 is connected to the ladder 2. An elastic member 41 is connected between the first mounting base 42 and the second mounting base 43.

[0048] Thus, the first mounting base 42 can be rotatably connected to the vehicle body 1, and the second mounting base 43 can be connected to the ladder 2; while the elastic member 41 is elastically connected between the first mounting base 42 and the second mounting base 43, so that the elastic member 41 can elastically deform between the first mounting base 42 and the second mounting base 43, so as to achieve elastic deformation between the vehicle body 1 and the ladder 2, thereby applying an elastic preload force to the ladder 2 to rotate toward the storage state.

[0049] In some embodiments, as shown in FIG3, the flatcar 10 further includes a reinforcement device 5. One end of the reinforcement device 5 is connected to the car body 1 and the other end is adapted to be detachably connected to the ladder 2. The reinforcement device 5 is configured to be connected to the ladder 2 in the stowed state.

[0050] It is understood that one end of the reinforcing device 5 is connected to the vehicle body 1 and the other end is adapted to be detachably connected to the ladder 2, so that when the ladder 2 switches from the retracted state to the unfolded state, the other end of the reinforcing device 5 can be controlled to separate from the ladder 2, that is, to unlock the ladder 2; at this time, the ladder 2 can switch from the retracted state to the unfolded state; when the ladder 2 is in the retracted state, the other end of the reinforcing device 5 can be controlled to connect to the ladder 2, so as to lock the ladder 2.

[0051] Therefore, by setting up a reinforcement device 5, it can be connected to the ladder 2 when the ladder 2 is in the retracted state, so as to limit the ladder 2 to the retracted state, thereby ensuring the structural stability of the ladder 2 in the retracted state and reducing the possible shaking of the ladder 2 during the movement of the flatcar 10.

[0052] In some embodiments, as shown in FIG2, the ladder 2 has a transition surface 21. In the unfolded state, the transition surface 21 is adapted to connect with the bearing surface 11. As shown in FIG6, the transition surface 21 is provided with anti-slip strips 22.

[0053] Therefore, during the process of a vehicle or container moving from the transition surface 21 to the bearing surface 11, the anti-slip strip 22 enhances the friction between the vehicle or container and the transition surface 21, thereby increasing the grip of the vehicle or container and playing an anti-slip role, thus preventing the vehicle or container from sliding backward and improving the safety of loading the vehicle or container.

[0054] In some implementations, as shown in Figure 6, the anti-slip strip 22 can be an anti-slip plate with rubber protrusions, so as to use the friction of the rubber protrusions on the vehicle or container to play an anti-slip role and prevent the vehicle or container from sliding backward; thereby improving the safety of loading the vehicle or container.

[0055] In some embodiments, as shown in FIG6, an anti-abrasion strip 23 is provided at the end of the ladder 2 away from the vehicle body 1. The anti-abrasion strip 23 is adapted to overlap with the ground.

[0056] Therefore, by setting the anti-abrasion strip 23, when the ladder 2 is in the unfolded state, as shown in Figure 2, the end of the ladder 2 away from the vehicle body 1 can overlap with the ground through the anti-abrasion strip 23, so as to avoid the end of the ladder 2 away from the vehicle body 1 directly contacting the ground, thereby protecting the ladder 2; for example, the anti-abrasion plate is made of high-strength material to improve the service life of the ladder 2 and to avoid damage to the ground caused by the ladder 2 directly hitting the ground as much as possible.

[0057] According to the embodiments of the present disclosure, the flatcar is provided with a first buffer device at the connection between the car body and the ladder, so that when the ladder is in the unfolded state and / or the retracted state, the car body can flexibly contact the ladder through the first buffer device, so as to avoid the ladder from rigidly contacting the steel structure of the car body, thereby reducing the damage to the paint on the surface of the car body and protecting the ladder, thus reducing the damage to the ladder.

[0058] It should be noted that the descriptions of each embodiment in the above embodiments have different focuses. For parts that are not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0059] The above embodiments are only used to illustrate the technical solutions of this disclosure, and are not intended to limit it. Although this disclosure has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this disclosure.

[0060] Although preferred embodiments have been described in this specification, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of this specification.

[0061] Obviously, those skilled in the art can make various modifications and variations to this specification without departing from its spirit and scope. Therefore, if such modifications and variations fall within the scope of the claims and their equivalents, this specification is also intended to include such modifications and variations.

Claims

1. A flatcar (10), comprising: Vehicle body (1), the vehicle body (1) including a bearing surface (11) for carrying goods; as well as A ladder (2) is rotatably mounted on one end of the bearing surface (11). The ladder (2) has an unfolded state and a retracted state. In the retracted state, the ladder (2) is retracted into the vehicle body (1). In the unfolded state, the ladder (2) is unfolded along the length of the flatcar (10) and is adapted to overlap with the ground. The vehicle body (1) is provided with a first buffer device (3), which is configured to flexibly contact the ladder (2) in the unfolded state and / or the retracted state.

2. The flatcar (10) according to claim 1, wherein, The first buffer device (3) includes a first buffer block (31) and a second buffer block (32). The first buffer block (31) is configured to flexibly contact the ladder (2) in the unfolded state, and the second buffer block (32) is configured to flexibly contact the ladder (2) in the retracted state.

3. The flatcar (10) according to claim 2, wherein, The vehicle body (1) is provided with a mounting base (12), and the ladder (2) is rotatably connected to the mounting base (12) via a pivot (13). The first buffer block (31) and the second buffer block (32) are both installed on the mounting base (12) and are located on both sides of the ladder (2) in the circumferential direction of the pivot (13).

4. The flatcar (10) according to claim 3, wherein, A bushing is provided at the connection between the rotating shaft (13) and the mounting base (12), and the bushing is fitted onto the rotating shaft (13).

5. The flatcar (10) according to any one of claims 1-4 further includes a second buffer device (4), the second buffer device (4) being rotatably mounted on the car body (1), the second buffer device (4) being adapted to be elastically connected to the ladder (2), and the second buffer device (4) being used to apply an elastic preload force to the ladder (2) to rotate toward the stowed state.

6. The flatcar (10) according to claim 5, wherein, The second buffer device (4) includes an elastic element (41).

7. The flatcar (10) according to claim 6, wherein, The second buffer device (4) further includes a first mounting base (42) and a second mounting base (43). The first mounting base (42) is rotatably connected to the vehicle body (1), and the second mounting base (43) is connected to the ladder (2). The elastic element (41) is connected between the first mounting base (42) and the second mounting base (43).

8. The flatcar (10) according to claim 1 further comprises: A reinforcement device (5), one end of which is connected to the vehicle body (1) and the other end of which is adapted to be detachably connected to the ladder (2), the reinforcement device (5) being configured to be connected to the ladder (2) in the stowed state.

9. The flatcar (10) according to claim 1, wherein, The ladder (2) has a transition surface (21), which is adapted to be connected to the bearing surface (11) in the unfolded state, and the transition surface (21) is provided with anti-slip strips (22).

10. The flatcar (10) according to claim 1, wherein, The ladder (2) is provided with an anti-wear strip (23) at one end away from the vehicle body (1), and the anti-wear strip (23) is adapted to overlap with the ground.

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