Cargo fixing device for railway transportation

Abstract

The utility model provides a goods fixing device for railway transportation. The goods fixing device comprises two fixing frames, two guide sliding rods, two adjustable goods limiting frames and four elastic connecting devices. The two fixing frames are symmetrically arranged front and back, the left end and the right end of each fixing frame are each correspondingly provided with a supporting base, the supporting bases are rotationally matched with the guide sliding rods, the front end and the rear end of each guide sliding rod are each provided with a limiting block, and the fixing frames are used for being connected with a container bottom plate or a railway train transportation plate. The two adjustable goods limiting frames are arranged in a bilateral symmetry mode and both located above the two fixing frames. According to the goods fixing device for railway transportation, the problem that due to the fact that a fixing device in the related technology cannot be adjusted according to the size of goods, the goods are easily fixed unstably is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to railway transportation technical field especially is concerned with a goods fixing device for railway transportation. BACKGROUND

[0002] In railway transportation, the safety and stability of goods are of great importance. In order to ensure that the goods do not displace, tilt or damage during train operation, various types of fixing devices are used. With the progress of railway transportation technology and the diversification of logistics demand, the fixing technology in railway goods transportation is also developing. From the traditional binding, binding to the special fixing frame, automatic fixing system, the improvement of technical background provides support for transportation efficiency, safety and environmental protection requirements. The fixing device needs to match the size of the goods. Different goods need different types of fixing devices, if the selected device is not suitable for the shape, weight or size of the goods, it may not effectively fix the goods, and the fixing device in the related art cannot be adjusted according to the size of the goods, which is prone to cause the problem of unstable goods fixing. SUMMARY

[0003] Therefore, the utility model aims at solving one of the problems in the related art at least to some extent.

[0004] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0005] A goods fixing device for railway transportation, comprising two fixing frames, two guide sliding rods, two adjustable goods limit frames and four elastic connecting devices;

[0006] Two said fixing frames are symmetrically arranged front and back, and one support seat is arranged at the left and right ends of each said fixing frame, the support seat is rotationally connected with the guide sliding rod, the front and rear ends of the guide sliding rod are provided with limiting blocks, and the fixing frame is used for connecting the container bottom plate or the railway train transportation plate;

[0007] Two said adjustable goods limit frames are symmetrically arranged left and right, and two said adjustable goods limit frames are located above two said fixing frames;

[0008] The fixed ropes of two elastic connecting devices located on the same side are arranged in cross shape;

[0009] One end of the elastic connecting device is connected with one said support seat, the other end of the elastic connecting device is connected with the end of one said adjustable goods limit frame, and the adjustable goods limit frame is used for limiting and fixing the goods.

[0010] Further, the elastic connecting device comprises a tension spring, a sliding block and a fixed rope, one end of the tension spring is connected with the support base, the other end of the tension spring is connected with the sliding block, the tension spring and the sliding block are sleeved on the guide sliding rod, one end of the fixed rope is connected with the sliding block, the other end of the fixed rope is connected with the end of the adjustable goods limiting frame, and the sliding block is connected and fixed with the guide sliding rod through a locking structure.

[0011] Further, the locking structure comprises two first locking screws, and the two first locking screws are symmetrically arranged on the top of the sliding block.

[0012] Further, the adjustable goods limiting frame comprises a telescopic structure and two limiting plates, the two limiting plates are symmetrically arranged front and back, the inner side end portions of the two limiting plates are connected through the telescopic structure, the outer side end portions of the limiting plates are provided with bent edges for fixing goods, and the outer side end portions of the limiting plates are connected with the fixed rope.

[0013] Further, the telescopic structure comprises a fixed sleeve, a telescopic sleeve and a second locking screw, the fixed sleeve and the telescopic sleeve are connected with one of the limiting plates respectively, the fixed sleeve and the telescopic sleeve are in sliding fit, and the fixed sleeve is connected and fixed with the telescopic sleeve through the second locking screw.

[0014] Further, the fixed rope is a nylon rope, a polyester rope or a steel wire rope.

[0015] Further, two long holes are symmetrically arranged in the middle of the fixed frame.

[0016] Compared with the prior art, the goods fixing device for railway transportation has the following advantages:

[0017] 1. The elastic connecting device can absorb the vibration and impact generated in the transportation process through the elastic property of the tension spring, thereby reducing the direct impact on the goods, improving the safety of the goods fixing, and effectively avoiding the displacement or damage of the goods caused by train vibration or dynamic load. The combination design of the tension spring and the fixed rope allows the elastic connecting device to freely stretch and contract within a certain range, which can adapt to the fixing requirements of goods of different specifications and sizes. The device has high universality and can quickly adapt to diversified transportation goods. The tension spring can effectively disperse stress in vibration and impact, and the cooperation of the sliding block and the guide sliding rod further reduces the fatigue damage caused by rigid connection. The metal fatigue risk of the parts in long-term use is reduced, and the durability of the equipment is improved.

[0018] 2、Through the cross arrangement of the fixed ropes of the two elastic connecting devices, the load is effectively distributed to the two elastic connecting devices. The crossed ropes can balance the load and prevent a single rope from being overloaded. This load distribution mode ensures that the device can withstand greater dynamic load during transportation and will not be damaged due to the excessive burden of a single rope. During transportation, the cross-arranged ropes can support each other through the pulling force of each other, increase the lateral stability of the container on the horizontal plane, and reduce the displacement or inclination of the goods due to lateral force.

[0019] 3、Through the telescopic structure (sliding fit of the fixed sleeve and the telescopic sleeve), the width or height of the limiting frame can be adjusted to adapt to goods of different sizes. The versatility of the device is improved, and it is suitable for goods of various shapes and specifications, reducing the dependence on specific goods specifications. The limiting plates are symmetrically arranged front and back, which can be flexibly adjusted according to the shape and position of the goods, and the goods are fixed more accurately. The outer end of the limiting plate is designed with a bent edge for covering type fixing of the goods, and is connected with the fixed rope to realize multi-point support. The stability of the goods is enhanced, and even under vibration or impact, the stability of the goods can be maintained. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this application. The embodiments of these drawings illustrate one or more aspects of the present application and, together with their description, serve to explain the present application. In the drawings:

[0021] Figure 1 A schematic view of a goods fixing device for railway transportation according to an embodiment of the present application;

[0022] Figure 2 A schematic view of a fixing frame and a guide slide rod structure according to an embodiment of the present application;

[0023] Figure 3 A schematic view of an elastic connecting device structure according to an embodiment of the present application;

[0024] Figure 4 A schematic view of an adjustable goods limiting frame according to an embodiment of the present application.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 100, tension spring; 101, fixing frame; 200, sliding block; 201, fixed rope; 300, limiting plate; 400, telescopic structure; 501, guide slide rod; 502, limiting block; 503, support seat. DETAILED DESCRIPTION

[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0028] In the description of the utility model, it needs to be understood that, the orientation or positional relation indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0029] In the description of the utility model, it needs to be understood that, the orientation or positional relation indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0030] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0031] A kind of goods fixing device for railway transportation, as shown in Figure 1 Two fixed frames 101 are symmetrically arranged front and back, and one support seat 503 is correspondingly arranged at the left and right ends of each fixed frame 101, the support seat 503 is rotationally matched with the guide slide rod 501, the front and rear ends of the guide slide rod 501 are provided with limit blocks 502, and the fixed frame 101 is used to connect the container bottom plate or railway train transport plate;Two long holes are symmetrically arranged in the middle of the fixed frame 101.

[0032] The two adjustable cargo limit racks are symmetrically arranged left and right, and both are located above the two fixed racks 101; the adjustable cargo limit rack comprises a telescopic structure 400 and two limit plates 300, the two limit plates 300 are symmetrically arranged front and back, the inner side ends of the two limit plates 300 are connected through the telescopic structure 400, the outer side ends of the limit plates 300 are provided with bent edges for fixing the cargo, and the outer side ends of the limit plates 300 are connected with the fixed ropes 201. The telescopic structure 400 comprises a fixed sleeve, a telescopic sleeve and a second locking screw, the fixed sleeve and the telescopic sleeve are connected with one limit plate 300 respectively, the fixed sleeve and the telescopic sleeve are in sliding fit, and the fixed sleeve is connected and fixed with the telescopic sleeve through the second locking screw. The width or height of the limit rack can be adjusted through the telescopic structure 400 (sliding fit of the fixed sleeve and the telescopic sleeve), so as to adapt to cargos of different sizes. The versatility of the device is improved, and it is suitable for cargos of various shapes and specifications, reducing the dependence on specific cargo specifications. The limit plates 300 are symmetrically arranged front and back, and can be flexibly adjusted according to the shape and position of the cargo, so that the cargo is fixed more accurately. The outer side ends of the limit plates 300 are designed with bent edges for over-molded fixing of the cargo, and are connected with the fixed ropes 201 at the same time, realizing multi-point support. The stability of the cargo is maintained even under vibration or impact, and the firmness of the cargo fixing is enhanced.

[0033] The fixed ropes 201 of the two elastic connecting devices located on the same side are arranged in cross. One end of the elastic connecting device is connected with one support seat 503, and the other end of the elastic connecting device is connected with the end of the adjustable cargo limit rack for limiting and fixing the cargo. Through the cross arrangement of the fixed ropes 201 of the two elastic connecting devices, the load is effectively distributed to the two elastic connecting devices. The cross ropes can balance the load and prevent single rope overload. This load distribution mode ensures that the device can withstand greater dynamic load during transportation, and will not be damaged due to excessive burden of single rope. The cross-arranged ropes can support each other through the pulling force of each other during transportation, increase the lateral stability of the container on the horizontal plane, and reduce the displacement or inclination of the cargo due to lateral force.

[0034] The elastic connecting device comprises a tension spring 100, a sliding block 200 and a fixed rope 201, one end of the tension spring 100 is connected with the support seat 503, the other end of the tension spring 100 is connected with the sliding block 200, the tension spring 100 and the sliding block 200 are sleeved on the guide sliding rod 501, one end of the fixed rope 201 is connected with the sliding block 200, the other end of the fixed rope 201 is connected with the end of the adjustable goods limiting frame, and the sliding block 200 is connected and fixed with the guide sliding rod 501 through the locking structure. In the embodiment, the fixed rope 201 is a steel wire rope. The elastic connecting device can absorb the vibration and impact generated in the transportation process through the elastic property of the tension spring 100, thereby reducing the direct influence on the goods. The safety of the goods fixing is improved, and the displacement or damage of the goods caused by train vibration or dynamic load is effectively avoided. The combination design of the tension spring 100 and the fixed rope 201 allows the elastic connecting device to freely stretch and shrink within a certain range, so that the goods fixing requirements of different specifications and sizes can be adapted. The universality of the device is improved, and the diversified transportation goods can be quickly adapted. The tension spring 100 can effectively disperse stress in vibration and impact, and the cooperation of the sliding block 200 and the guide sliding rod 501 further reduces the fatigue damage caused by rigid connection. The metal fatigue risk of the components in long-term use is reduced, and the durability of the equipment is improved.

[0035] In the embodiment, the locking structure comprises two first locking screws, and the two first locking screws are symmetrically arranged at the top of the sliding block 200.

[0036] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A cargo securing device for railway transport, characterized in that: It comprises two fixed frames (101), two guide sliding rods (501), two adjustable goods limiting frames and four elastic connecting devices. The two fixed frames (101) are symmetrically arranged front and back, and each left and right end of the fixed frame (101) is correspondingly provided with a support seat (503) which is rotationally connected with the guide sliding rod (501), and the front and back ends of the guide sliding rod (501) are provided with limiting blocks (502), and the fixed frame (101) is used for connecting the bottom plate of a container or a railway transport plate. The two adjustable goods limiting frames are symmetrically arranged left and right, and both of them are located above the two fixed frames (101). The fixed ropes (201) of the two elastic connecting devices located on the same side are crossly arranged. One end of the elastic connecting device is connected with one support seat (503), and the other end is connected with the end of one adjustable goods limiting frame, and the adjustable goods limiting frame is used for limiting and fixing the goods.

2. A cargo securing device for rail transport according to claim 1, characterized in that: The elastic connecting device comprises a tension spring (100), a sliding block (200) and a fixed rope (201), one end of the tension spring (100) is connected with the support seat (503), and the other end of the tension spring (100) is connected with the sliding block (200), the tension spring (100) and the sliding block (200) are sleeved on the guide sliding rod (501), one end of the fixed rope (201) is connected with the sliding block (200), and the other end of the fixed rope (201) is connected with the end of the adjustable goods limiting frame, and the sliding block (200) is connected and fixed with the guide sliding rod (501) through a locking structure.

3. A cargo securing device for rail transport according to claim 2, characterized in that: The locking structure comprises two first locking screws which are symmetrically arranged on the top of the sliding block (200).

4. A cargo securing arrangement for rail transport according to any one of claims 2-3, characterized in that: The adjustable goods limiting frame comprises a telescopic structure (400) and two limiting plates (300), the two limiting plates (300) are symmetrically arranged front and back, the inner ends of the two limiting plates (300) are connected through the telescopic structure (400), the outer ends of the limiting plates (300) are provided with bent edges for fixing goods, and the outer ends of the limiting plates (300) are connected with the fixed rope (201).

5. A cargo securement device for railway transport according to claim 4, characterized in that: The telescopic structure (400) comprises a fixed sleeve, a telescopic sleeve and a second locking screw, the fixed sleeve and the telescopic sleeve are respectively connected with one limiting plate (300), the fixed sleeve and the telescopic sleeve are slidingly connected, and the fixed sleeve is connected and fixed with the telescopic sleeve through the second locking screw.

6. A cargo securement device for railway transport according to claim 2, characterized in that: The fixed rope (201) is a nylon rope, a polyester rope or a steel wire rope.

7. A cargo securement device for railway transport according to claim 4, characterized in that: Two long holes are symmetrically arranged in the middle of the fixed frame (101).

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