Railway freight container safety loading and unloading device

Abstract

The utility model relates to railway freight equipment technical field discloses a railway freight box body safety handling device. Including the connection board, the connection board is used for the connection transfer trolley and freight car carriage, and is symmetrically provided with the transfer adjusting mechanism under the connection board, and is connected through the connecting rod between two transfer adjusting mechanisms, the upside of connection board still is symmetrically provided with the guide mechanism. Through the setting of transfer adjusting mechanism, the height and the inclination precision regulation of connection board are realized, and the adaptation ability of device to many vehicle types, many working conditions is improved significantly, through the setting of guide mechanism on the upside of connection board, can drive screw adjusting lever rotation through eccentricity adjusting disc rotation, the relative position (parallel or inclination) of guide plate can be dynamically regulated, forms the guide channel matched with the size of freight box body, effectively restricts the risk of the deviation or the jam in the process of the box body sliding and transfer, solves the problem that the traditional railway freight box body handling means exists the low transfer efficiency and the obvious safety hidden danger.

Description

Technical Field

[0001] This utility model belongs to the technical field of railway freight equipment, specifically, it relates to a safe loading and unloading device for railway freight containers. Background Technology

[0002] As one of the core pillars of the modern transportation system, railway freight transport, together with road transport, constitutes the two fundamental modes of land freight transport, occupying an irreplaceable strategic position in the global logistics network. Compared with other modes of transport such as road and air, railway transport exhibits significant comprehensive advantages: First, it is minimally affected by climate and natural conditions, maintaining stable operational capacity regardless of extreme weather such as severe cold, torrential rain, or high temperatures, ensuring the continuity of freight transport; second, railway transport possesses superior transport capacity and single-carload loading, with a single freight train capable of transporting thousands of tons of goods at a time, far exceeding the single-carload limit of road transport, significantly reducing the unit cost of transporting goods; third, railway vehicles are diverse in type (such as open wagons, boxcars, flatcars, and container cars), adaptable to the transport needs of various goods, from bulk coal and ore to precision machinery and cold chain food, virtually unrestricted by the weight, volume, or shape of the goods. This is a core competitive advantage that road transport (limited by load and space constraints) and air transport (high cost and only suitable for small, high-value goods) cannot match.

[0003] In actual railway freight operations, the connection between freight cars and transfer cars is a crucial link that directly affects overall transportation efficiency. Currently, this link mainly relies on two technical means: one is manual transfer, which involves moving the containers short distances using manpower or simple tools (such as handcarts and forklifts). However, manual operation is inefficient, and for large or heavy-duty containers, it requires a lot of manpower and time, making it difficult to meet the high timeliness requirements of modern railway freight. The other is robotic arm transfer, which uses automated robotic arms to lift and transfer containers. Although this improves efficiency to some extent, it has significant limitations: the containers need to be lifted off the ground during the lifting process, and the frequent lifting, moving, and placing actions result in a long operation cycle; at the same time, the positioning accuracy of the robotic arm is greatly affected by the environment (such as wind and uneven ground), which can easily cause the containers to sway or slip, posing a high safety hazard; in addition, the purchase, maintenance, and operation costs of robotic arm equipment are high, limiting its widespread application in small and medium-sized freight scenarios.

[0004] Based on this, the present invention proposes a railway freight container safety loading and unloading device for connecting freight cars and transfer cars to facilitate the loading and unloading of freight containers, thereby solving the problems existing in the prior art. Utility Model Content

[0005] In view of this, the main purpose of this utility model is to provide a safe loading and unloading device for railway freight containers, so as to solve the problems of low transfer efficiency and obvious safety hazards in traditional railway freight container loading and unloading methods.

[0006] To achieve the above objectives, the technical solution of this utility model is implemented as follows: A railway freight container safety loading and unloading device includes a connecting plate for connecting transfer cars and freight cars, and symmetrically arranged transfer adjustment mechanisms on the lower side of the connecting plate, with two transfer adjustment mechanisms connected by a connecting rod; symmetrically arranged guide mechanisms are also provided on the upper side of the connecting plate.

[0007] In a preferred embodiment, the transfer adjustment mechanism includes a base, in which a first lead screw and a second lead screw are rotatably mounted in an upper sliding groove. The first lead screw and the second lead screw are symmetrically arranged, and the external thread of the first lead screw is connected to a first connecting block, and the second lead screw is connected to a second connecting block. Both the first and second connecting blocks are rotatably connected to one end of a first winch, and the other end of the first winch is rotatably connected to a second winch. One end of the second winch is rotatably connected to the base, and the other end is rotatably connected to a third winch. The other end of the third winch is rotatably connected to a lower hinge support of the connecting plate.

[0008] In a preferred embodiment, one end of the first lead screw is connected to the first motor; and one end of the second lead screw is connected to the second motor.

[0009] In a preferred embodiment, both ends of the base are provided with connecting seats, and the connecting seats are rotatably connected to one end of the second lever.

[0010] In a preferred embodiment, both the first connecting block and the second connecting block are engaged and installed in the upper sliding groove of the base, and are slidably connected to the sliding groove.

[0011] In a preferred embodiment, the connecting rod is disposed between the two second strands and is fixedly connected to the second strands.

[0012] In a preferred embodiment, the guide mechanism is connected to an upright plate disposed on the upper side of the connecting plate.

[0013] In a preferred embodiment, the guiding mechanism includes a guide plate and a threaded adjusting rod. The guide plate is located on a connecting plate inside the upright plate, and two sets of hinge plates are symmetrically arranged on the side of the guide plate near the upright plate. A connecting sleeve is rotatably installed between the two hinge plates in the same set. The connecting sleeve is connected to one end of the threaded adjusting rod through a bearing. The threaded adjusting rod is connected to a threaded hole provided on the upright plate, and an eccentric adjusting disc is provided at the outer end of the threaded adjusting rod.

[0014] In a preferred embodiment, a hinge support is provided on the lower side of the connecting plate, and the connecting plate is rotatably connected to the transfer adjustment mechanism through the hinge support.

[0015] In a preferred embodiment, the two ends of the connecting plate are symmetrically provided with connecting holes.

[0016] Compared with the prior art, this utility model provides a safe loading and unloading device for railway freight containers, which has the following advantages: 1. Through the setting of the transfer adjustment mechanism, the height and tilt of the connecting plate can be precisely adjusted. The attitude of the connecting plate can be adjusted in a coordinated manner. It can be adjusted synchronously to achieve vertical lifting to adapt to transfer vehicles or cargo boxes of different heights, or it can be adjusted asynchronously to adjust the tilt angle to adapt to complex transfer scenarios, significantly improving the device's adaptability to multiple vehicle types and multiple working conditions.

[0017] 2. The guide mechanism on the upper side of the connecting plate allows for dynamic adjustment of the relative position (parallel or tilted) of the guide plate by rotating the eccentric adjustment disc and driving the threaded adjustment rod. This creates a guide channel that matches the dimensions of the cargo container, effectively controlling the risk of offset or jamming during container sliding and transfer. Simultaneously, the guide plate is connected to the connecting sleeve via a hinge plate, further adapting to the tilt adjustment of the connecting plate and ensuring that the guiding function is always aligned with the container transfer path, significantly improving the safety of loading and unloading operations.

[0018] 3. The device is equipped with casters at the bottom, which can be quickly moved to the designated position between the transfer car and the freight car; the two ends of the connecting plate are equipped with connecting holes, which can be fixed to the transport equipment by bolts or hooks, simplifying the connection process; combined with the quick adjustment function of the transfer adjustment mechanism, the overall operation does not require complicated positioning or manual handling, which greatly shortens the loading and unloading preparation time and improves the overall efficiency of railway freight container transfer.

[0019] 4. The guide plate of the guiding mechanism is adjustable to accommodate freight containers of different sizes and shapes; the transfer adjustment mechanism supports independent adjustment of height and tilt, and is compatible with various vehicle types (such as transfer cars and freight wagons of different heights). This design avoids the cost of customizing special equipment for specific vehicle types or containers, and can meet the common multi-type transfer needs in railway freight with a single device, exhibiting significant economic and versatility advantages. It solves the problems of low transfer efficiency and significant safety hazards associated with traditional railway freight container loading and unloading methods. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of the railway freight container safety loading and unloading device of this utility model; Figure 2 This is a schematic diagram of the structure of the connector plate of this utility model; Figure 3 This is a schematic diagram of the structure of the transfer and adjustment mechanism of this utility model; Figure 4 This is a schematic diagram of the guiding mechanism of this utility model.

[0022] [Explanation of Key Component Symbols] 1. Connecting plate; 11. Vertical plate; 12. Connecting hole; 2. Transfer adjustment mechanism; 21. Base; 22. First motor; 23. First lead screw; 24. First connecting block; 25. Second motor; 26. Second lead screw; 27. Second connecting block; 28. First winch; 29. ​​Second winch; 210. Third winch; 211. Connecting seat; 3. Moving wheel; 4. Connecting rod; 5. Guide mechanism; 51. Guide plate; 52. Threaded adjustment rod; 53. Eccentric adjustment disc; 54. Connecting sleeve; 55. Hinge plate. Detailed Implementation

[0023] The structure of the railway freight container safety loading and unloading device will be further described in detail below with reference to the accompanying drawings and embodiments of the present invention.

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0025] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments as described in this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0026] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0027] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0028] As per the instruction manual Figures 1-4 As shown, this utility model provides a technical solution: A railway freight container safety loading and unloading device is disclosed, used to connect transfer cars and freight cars during use to facilitate the safe unloading and transfer of freight containers. Its specific structure includes a connecting plate 1, on the lower side of which are symmetrically arranged transfer adjustment mechanisms 2. These mechanisms adjust the height and inclination of the connecting plate 1 during use, facilitating a smooth connection with the transfer car and freight car. The two transfer adjustment mechanisms 2 are connected by a connecting rod 4, forming the lower support of the vehicle body. A movable wheel 3 is also provided at the lower end of each transfer adjustment mechanism 2 to allow movement with the device during use. A guide mechanism 5 is symmetrically arranged between two upright plates 11 on the upper side of the connecting plate 1. This guide mechanism 5 provides guidance and constraint during the sliding and transfer of the freight container, ensuring smooth transfer, preventing deviation or jamming, and improving the safety and smoothness of the loading and unloading process.

[0029] In a preferred embodiment, such as Figure 1 and Figure 2 As shown, a hinge support is provided on the lower side of the connecting plate 1. The connecting plate 1 is rotatably connected to the transfer adjustment mechanism 2 through the hinge support, which ensures that the connecting plate 1 can flexibly adjust the angle to adapt to transfer vehicles or cargo boxes of different heights. This hinge design makes the connection between the connecting plate 1 and the transfer adjustment mechanism 2 more stable when the height and tilt of the device are adjusted, avoiding stress concentration or structural damage caused by rigid connection.

[0030] In a preferred embodiment, such as Figure 1 and Figure 2 As shown, the two ends of the connecting plate 1 are also symmetrically provided with connecting holes 12. In use, bolts, hooks and other connecting parts can be passed through the connecting holes 12 to fix the connecting plate 1 to the corresponding interface of the transfer vehicle or cargo box, so as to realize the reliable connection between the device and the transportation equipment. The layout design of the connecting holes 12 takes into account the interface position of different vehicle models, ensuring that the device can adapt to a variety of transfer scenarios and improve the universality and ease of operation of the connection.

[0031] In a preferred embodiment, such as Figure 1 and Figure 3 As shown, the transfer adjustment mechanism 2 includes a base 21. A first lead screw 23 and a second lead screw 26 are rotatably installed in the upper sliding groove of the base 21. The first lead screw 23 and the second lead screw 26 are symmetrically arranged to provide support for the subsequent operation of the winch mechanism. The external thread of the first lead screw 23 is connected to the first connecting block 24, and the second lead screw 26 is connected to the second connecting block 27. The first connecting block 24 and the second connecting block 27 are both rotatably connected to one end of the first winch 28. The other end of the first winch 28 is rotatably connected to the second winch 29. One end of the second winch 29 is rotatably connected to the base 21, and the other end is rotatably connected to the third winch 210. The other end of the third winch 210 is rotatably connected to the lower hinge support of the connecting plate 1. This allows for precise adjustment of the connection height and inclination of the connecting plate 1 by rotating the first lead screw 23 and the second lead screw 26 during use, thus meeting the compatibility requirements with the transfer vehicle and cargo box.

[0032] Specifically, such as Figure 3 As shown, one end of the first lead screw 23 is connected to the first motor 22, which drives the first lead screw 23 to rotate; one end of the second lead screw 26 is connected to the second motor 25, which drives the second lead screw 26 to rotate.

[0033] In this embodiment, the working modes of the first motor 22 and the second motor 25 directly affect the adjustment effect of the connecting plate 1: when the two motors rotate synchronously and at the same frequency, the rotation speed and direction of the first lead screw 23 and the second lead screw 26 are consistent, driving the first connecting block 24 and the second connecting block 27 to move synchronously. Through the linkage of the winch mechanism (first winch 28, second winch 29, and third winch 210), the vertical adjustment of the height of the connecting plate 1 is realized to adapt to transfer vehicles or cargo boxes of different heights; when the two motors rotate asynchronously or synchronously but at different frequencies, the rotation speed or direction of the lead screws is different, causing the connecting blocks to move asynchronously, and the winch mechanism to change the angle, thereby adjusting the tilt of the connecting plate 1 to meet the flexible requirements of the container transfer angle in complex connection scenarios and improve the convenience and safety of loading and unloading cargo containers.

[0034] Specifically, such as Figure 3 As shown, both ends of the base 21 are provided with connecting seats 211, and the connecting seats 211 are rotatably connected to one end of the second lever 29.

[0035] Specifically, such as Figure 3 As shown, the first connecting block 24 and the second connecting block 27 are both engaged and installed in the upper sliding groove of the base 21, and are slidably connected to the sliding groove.

[0036] Specifically, such as Figure 3 As shown, the connecting rod 4 is disposed between the two second helical rods 29 and is fixedly connected to the second helical rods 29.

[0037] In a preferred embodiment, such as Figure 1 , Figure 2 and Figure 4 As shown, the guiding mechanism 5 includes a guide plate 51 and a threaded adjusting rod 52. The guide plate 51 is located on the connecting plate 1 inside the upright plate 11, and two sets of hinge plates 55 are symmetrically arranged on the side of the guide plate 51 near the upright plate 11. A connecting sleeve 54 is rotatably installed between the two hinge plates 55 in the same set. The connecting sleeve 54 is connected to one end of the threaded adjusting rod 52 through a bearing. The threaded adjusting rod 52 is connected to a threaded hole provided on the upright plate 11, and an eccentric adjusting disc 53 is provided at the outer end of the threaded adjusting rod 52.

[0038] In this embodiment, during use, the eccentric adjustment disc 53 is rotated to drive the threaded adjustment rod 52 to rotate, and the position of the guide plate 51 on the connecting plate 1 is adjusted by using the threaded transmission principle, thereby constraining and guiding the sliding and transfer process of the cargo container; at the same time, by adjusting the relative position (parallel or inclined) of the two guide plates 51 respectively, it can adapt to the needs of different loading and unloading conditions, ensure that the cargo container remains stable during the transfer process, avoid deviation or jamming, and improve the safety of loading and unloading operations.

[0039] The implementation principle of the railway freight container safety loading and unloading device of this utility model is as follows: The height and tilt are adjusted by the transfer adjustment mechanism 2 (including base 21, first lead screw 23, second lead screw 26 and winch mechanism) on the lower side of the connecting plate 1. The first motor 22 and the second motor 25 drive the first lead screw 23 and the second lead screw 26 to rotate, which in turn moves the first connecting block 24 and the second connecting block 27. Then, the attitude of the connecting plate 1 is adjusted by the winch (first winch 28, second winch 29 and third winch 210) to adapt to the connection requirements of the transfer vehicle and the cargo box. At the same time, the guide mechanism 5 (including guide plate 51 and threaded adjustment rod 52) on the upper side of the connecting plate 1 drives the threaded adjustment rod 52 to rotate by rotating the eccentric adjustment disc 53, which adjusts the position of the guide plate 51 (parallel or tilted) and dynamically constrains the sliding and transfer process of the cargo box to avoid deviation or jamming and ensure loading and unloading safety.

[0040] The implementation process consists of the following steps: First, the device is moved between the transfer vehicle and the cargo box using the movable wheels 3; second, the first motor 22 and the second motor 25 are started according to the connection requirements, and the height and inclination of the connecting plate 1 are adjusted through the screw drive, and it is fixedly connected to the transfer vehicle and the cargo box through the connecting connection hole 12; next, the eccentric adjustment disc 53 of the guide mechanism 5 is rotated to adjust the relative position (parallel or inclined) of the guide plate 51 to form a guide channel adapted to the size of the box; finally, the transfer equipment is started so that the cargo box is smoothly transferred to the connecting plate 1 along the path constrained by the guide plate 51, and then transferred to the target equipment (transfer vehicle or cargo box) through the connecting plate 1 to complete the safe loading and unloading.

[0041] All content not described in detail in this specification is prior art known to those skilled in the art, and the model parameters of each component are not specifically limited; conventional equipment can be used. Control elements not mentioned in this technical solution are prior art and are therefore not shown in the figures, and will not be described further here.

[0042] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the scope of protection of the present utility model.

Claims

1. A railway freight container safety loading and unloading device, characterized in that, It includes a connecting plate (1), which is used to connect the transfer vehicle and the cargo compartment. A transfer adjustment mechanism (2) is symmetrically arranged on the lower side of the connecting plate (1), and the two transfer adjustment mechanisms (2) are connected by a connecting rod (4). A guide mechanism (5) is also symmetrically arranged on the upper side of the connecting plate (1).

2. The railway freight container safety loading and unloading device as described in claim 1, characterized in that, The transfer adjustment mechanism (2) includes a base (21). A first lead screw (23) and a second lead screw (26) are rotatably installed in the upper sliding groove of the base (21). The first lead screw (23) and the second lead screw (26) are symmetrically arranged. The external thread of the first lead screw (23) is connected to the first connecting block (24). The second lead screw (26) is connected to the second connecting block (27). The first connecting block (24) and the second connecting block (27) are both rotatably connected to one end of the first winch (28). The other end of the first winch (28) is rotatably connected to the second winch (29). One end of the second winch (29) is rotatably connected to the base (21), and the other end is rotatably connected to the third winch (210). The other end of the third winch (210) is rotatably connected to the lower hinge support of the connecting plate (1).

3. A railway freight container safety loading and unloading device as described in claim 2, characterized in that, One end of the first lead screw (23) is connected to the first motor (22); one end of the second lead screw (26) is connected to the second motor (25).

4. A railway freight container safety loading and unloading device as described in claim 2, characterized in that, Both ends of the base (21) are provided with connecting seats (211), and the connecting seats (211) are rotatably connected to one end of the second lever (29).

5. A railway freight container safety loading and unloading device as described in claim 2, characterized in that, The first connecting block (24) and the second connecting block (27) are both engaged and installed in the upper sliding groove of the base (21) and are slidably connected to the sliding groove.

6. A railway freight container safety loading and unloading device as described in claim 2, characterized in that, The connecting rod (4) is disposed between the two second connecting rods (29) and is fixedly connected to the second connecting rods (29).

7. A railway freight container safety loading and unloading device as described in claim 1, characterized in that, The guiding mechanism (5) is connected to the upright plate (11) located on the upper side of the connecting plate (1).

8. A railway freight container safety loading and unloading device as described in claim 7, characterized in that, The guiding mechanism (5) includes a guide plate (51) and a threaded adjusting rod (52). The guide plate (51) is located on the connecting plate (1) inside the upright plate (11). Two sets of hinge plates (55) are symmetrically arranged on the side of the guide plate (51) close to the upright plate (11). A connecting sleeve (54) is rotatably installed between the two hinge plates (55) in the same set. The connecting sleeve (54) is connected to one end of the threaded adjusting rod (52) through a bearing. The threaded adjusting rod (52) is connected to a threaded hole provided on the upright plate (11). An eccentric adjusting disc (53) is provided at the outer end of the threaded adjusting rod (52).

9. A railway freight container safety loading and unloading device as described in claim 1, characterized in that, The lower side of the connecting plate (1) is provided with a hinge support, and the connecting plate (1) is rotatably connected to the transfer adjustment mechanism (2) through the hinge support.

10. A railway freight container safety loading and unloading device as described in claim 1, characterized in that, The two ends of the connecting plate (1) are also symmetrically provided with connecting holes (12).

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