Transferring lifting appliance for railway freight containers

Abstract

The utility model relates to the technical field of lifting appliances, and discloses a transfer lifting appliance for railway freight containers, which comprises a lifting appliance main body and four lifting rods fixedly connected to the lifting appliance main body, a lifting disc is fixedly connected to the upper ends of the lifting rods, a sliding hole is formed in the center of the lifting disc, a hollow lifting pipe is connected to the sliding hole in a sliding mode, and an upper baffle is welded to the outer wall of the upper portion of the hollow lifting pipe. A lower baffle is welded to the outer wall of the lower portion of the hollow hanging pipe, a hollow bolt is inserted into the hollow hanging pipe, the end of the hollow bolt is fixedly connected with a connecting frame, the connecting frame is fixedly connected with a support, the outer wall of the lower portion of the hollow bolt is movably connected with a coupler knuckle in a retractable mode, and the connecting frame is fixedly connected with a hydraulic rod. The end of a piston rod of the hydraulic rod is connected with a push block, and four inclined rails are arranged on the lower portion of the push block and are in sliding connection with the coupler knuckle. According to the utility model, the lifting appliance main body can be automatically connected and separated from the lifting hanger of the crane, manual interference connection is not needed, the automation degree is high, and the use is more convenient and safer.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting tools, and specifically relates to a transfer lifting tool for railway freight containers. Background Technique

[0002] Railway transportation is a mode of transportation that uses railway trains to transport passengers and goods. It plays an important role in the process of social material production. Its characteristics are large transportation volume, high speed, low cost, and generally not restricted by climate conditions. It is suitable for the long-distance transportation of large and bulky goods. The goods are usually loaded in containers, and a transfer lifting tool is usually used when moving the containers.

[0003] For example, a container transfer lifting tool for railway freight with easy adjustment degree disclosed in the publication number CN215711053U. Its main features are: a transport lifting tool, including: a frame, a support seat is fixed on the top of the frame, and a top seat is arranged on the top of the support seat. Power motors are installed inside both sides of the frame, and the output end of the power motor is connected with a threaded rod; a telescopic groove is opened above the frame near the threaded rod, and a telescopic rod is arranged inside the telescopic groove. A limiting block is connected to the outer wall of the threaded rod, and one end of the limiting block away from the threaded rod is fixed to the telescopic rod, and a rotating pin is installed at the bottom of the outer side of the telescopic rod.

[0004] During the use of the above-mentioned similar transfer lifting tools for railways, the applicant found that: when connecting or disassembling the above-mentioned lifting tools to the overhead crane, manual assistance is required for disassembly and assembly, which is troublesome to operate, has a low degree of automation, and when assisting in connection, the personnel are under the overhead crane, and there is a certain danger to the personnel. In order to solve the above-mentioned problems, a transfer lifting tool for railway freight containers is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a transfer lifting tool for railway freight containers in order to solve the above-mentioned problems.

[0006] The technical solution adopted by the present utility model is as follows: A transfer spreader for railway freight containers, including a spreader main body, and four suspension rods are fixedly connected to the spreader main body. The upper ends of the suspension rods are fixedly connected with a suspension plate. A sliding hole is opened at the center of the suspension plate, and a hollow suspension pipe is slidably connected to the sliding hole. An upper baffle is welded to the outer wall of the upper part of the hollow suspension pipe, and a lower baffle is welded to the outer wall of the lower part of the hollow suspension pipe. A hollow plug is inserted into the hollow suspension pipe. A connecting frame is fixedly connected to the end of the hollow plug. A support is fixedly connected to the connecting frame, and the support is rotatably connected to the lifting hanger of the gantry crane. A hook tongue is connected to the outer wall of the lower part of the hollow plug in a retractable manner. A hydraulic rod is fixedly connected to the connecting frame, and the end of the piston rod of the hydraulic rod is connected with a push block. The push block is arranged inside the hollow plug, and four inclined rails are arranged at the lower part of the push block. The inclined rails are slidably connected to the hook tongue.

[0007] In a preferred embodiment, the spreader main body is composed of a frame, a rotating pin link structure and four rotating pins.

[0008] In a preferred embodiment, a connecting ear is fixedly connected to the lower baffle, and the connecting ear is connected to the rotating pin link structure of the spreader main body through a cable.

[0009] In a preferred embodiment, the inclined rail is of a T-shaped structure, and a T-shaped inclined groove adapted to the inclined rail is provided on the hook tongue.

[0010] In a preferred embodiment, a micro camera is embedded at the bottom end of the hollow plug.

[0011] In a preferred embodiment, two guide bars are oppositely constructed on the outer wall of the hollow suspension pipe, and two sliding grooves are oppositely opened on the inner wall of the sliding hole. The guide bars are slidably connected to the sliding grooves in a matching manner.

[0012] To sum up, due to the adoption of the above technical solution, the beneficial effects of the present utility model are as follows:

[0013] In the present utility model, through the pin automatic connection structure and the cooperation of the micro camera, the driver of the gantry crane can automatically realize the connection between the lifting connecting frame of the gantry crane and the spreader main body, without the need for personnel to assist in interfering with the connection between the spreader main body and the gantry crane, which is convenient for replacing the spreader main body and at the same time avoids the safety problems caused by personnel-assisted operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a three-dimensional schematic diagram of the present utility model;

[0015] Figure 2 In the present utility model Figure 1 is an enlarged view of part A;

[0016] Figure 3 is a front view schematic diagram of the present utility model;

[0017] Figure 4 is a schematic diagram of the internal structure of the hollow bolt of the present utility model

[0018] Figure 5 is a three-dimensional structure schematic diagram of the hook tongue of the present utility model.

[0019] Markings in the figure: 1 - sling body, 2 - suspension rod, 3 - suspension plate, 4 - sliding hole, 5 - hollow suspension pipe, 6 - upper baffle, 7 - lower baffle, 8 - hollow bolt, 9 - connecting frame, 10 - hook tongue, 11 - hydraulic rod, 12 - push block, 13 - inclined rail, 14 - connecting ear, 15 - T-shaped inclined groove, 16 - micro camera, 17 - guide bar, 18 - sliding groove, 19 - anti-slip pattern, 20 - support. Detailed implementation manners

[0020] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] Below will be combined with Figures 1 - 5 A transfer sling for railway freight containers in an embodiment of the present utility model will be described in detail.

[0022] Embodiment:

[0023] A transfer sling for railway freight containers provided by an embodiment of the present utility model, referring to Figure 1 as shown, includes a sling body 1. The sling body 1 is composed of a frame, a pivot link structure and four pivot pins. In this structure, the frame is the support skeleton of the sling body 1, and the four pivot pins facilitate connection with the railway container. The pivot link structure mainly drives the pivot pins to rotate during lifting, so that the pivot pins are locked with the container, thereby realizing the lifting of the container.

[0024] It should be noted that: the entire structure of the above-mentioned sling body 1 is prior art. For details, reference can be made to the published patent CN2086251U, and the present application does not modify the structure of the sling body 1, so it will not be elaborated here.

[0025] Referring to Figure 1 、 Figure 2 and Figure 3As shown in the figure, four suspension rods 2 are fixedly connected to the sling body 1. The upper ends of the suspension rods 2 are fixedly connected to a suspension plate 3. A sliding hole 4 is formed in the center of the suspension plate 3. A hollow suspension pipe 5 is slidably connected to the sliding hole 4. An upper baffle 6 is welded to the outer wall of the upper part of the hollow suspension pipe 5, and a lower baffle 7 is welded to the outer wall of the lower part of the hollow suspension pipe 5. A hollow plug pin 8 is inserted into the hollow suspension pipe 5. A connecting frame 9 is fixedly connected to the end of the hollow plug pin 8. A support 20 is fixedly connected to the connecting frame 9. The support 20 is rotatably connected to the lifting hanger of the gantry crane. A hook tongue 10 is connected to the outer wall of the lower part of the hollow plug pin 8 in a retractable manner. With this structure, the operator can move the gantry crane to drive the lifting hanger to move above the hollow suspension pipe 5, then lower the connecting frame 9 on the support 20 and insert the hollow plug pin 8 on the connecting frame 9 into the hollow suspension pipe 5. When the insertion is in place, the operator extends the movable hook tongue 10, and then the operator raises the hollow plug pin 8. At this time, the hook tongue 10 drives the hollow suspension pipe 5 to slide upward on the suspension plate 3 until the lower baffle 7 supports the suspension plate 3. Then continue to raise the hollow plug pin 8. At this time, the hollow suspension pipe 5 will lift the suspension plate 3 upward, thereby driving the sling body 1 on the suspension rod 2 to move up and down to hoist the container of railway freight. The whole structure can realize the automatic docking and separation of the sling and the gantry crane. In this way, no operator intervention is required when switching the sling, which improves the degree of automation and avoids the safety problems of operator operation.

[0026] Reference Figure 3 and Figure 4 As shown in the figure, a hydraulic rod 11 is fixedly connected to the connecting frame 9. The piston rod end of the hydraulic rod 11 is connected to a push block 12. The push block 12 is arranged inside the hollow plug pin 8. Four inclined rails 13 are arranged at the lower part of the push block 12. The inclined rails 13 are slidably connected to the hook tongue 10. With this structure, the telescopic movement of the hydraulic rod 11 drives the push block 12 to move up and down, and the push block 12 pushes the hook tongue 10 to extend and retract from the hollow plug pin 8 through the inclined rails 13.

[0027] Reference Figure 3 As shown in the figure, a connecting ear 14 is fixedly connected to the lower baffle 7. The connecting ear 14 is connected to the swivel link structure of the sling body 1 through a cable. With this structure, when the hollow suspension pipe 5 moves upward, it will drive the connecting ear 14 to pull the cable, thereby realizing that the swivel link structure drives the swivel to rotate, so as to realize the locking connection between the swivel and the container of railway freight.

[0028] Reference Figure 4 and Figure 5 As shown in the figure, the inclined rail 13 is of a T-shaped structure, and a T-shaped inclined groove 15 adapted to the inclined rail 13 is provided on the hook tongue 10. With this structure, the hook tongue 10 is slidably connected to the inclined rail 13 by means of the T-shaped inclined groove 15.

[0029] Reference Figure 4As shown, a micro camera 16 is embedded and installed at the bottom end of the hollow bolt 8. This structure enables the micro camera 16 to transmit real-time images to the front of the gantry crane driver during the docking of the hollow bolt 8 and the hollow lifting pipe 5, thus facilitating the driver to guide the docking operation and realizing the rapid connection between the gantry crane and the main body 1 of the lifting tool.

[0030] Reference Figure 2 As shown, two guide bars 17 are oppositely constructed on the outer wall of the hollow lifting pipe 5, and two sliding grooves 18 are oppositely opened on the inner wall of the sliding hole 4. The guide bars 17 are slidably connected with the sliding grooves 18 in a matching manner. This structure uses the guide bars 17 and the sliding grooves to prevent the hollow conduit 5 from rotating relative to the hanging plate 3.

[0031] Reference Figure 5 As shown, anti-slip lines 19 are provided on the contact surface between the hook tongue 10 and the lower baffle 7. This structure uses the anti-slip lines 19 to ensure sufficient contact friction between the hook tongue 10 and the lower baffle 7, preventing the hook tongue 10 from sliding relative to the lower baffle 7 when lifting a railway freight container and ensuring the stability of the lifting.

[0032] It should be noted that the above embodiments disclose the application of the container lifting tool in the lifting of railway freight containers.

[0033] The implementation principle of a transfer lifting tool for railway freight containers in an embodiment of the present application is as follows: During use, the driver can move the gantry crane to drive the lifting hanger to move above the hollow lifting pipe 5. The micro camera 16 can transmit real-time images to the front of the gantry crane driver during the docking of the hollow bolt 8 and the hollow lifting pipe 5. According to the real-time images of the micro camera 16, the driver operates the gantry crane to adjust the position of the hollow bolt 8. When the position is adjusted almost, the operator lowers the connecting frame 9 on the support 20 and inserts the hollow bolt 8 on the connecting frame 9 into the hollow lifting pipe 5. When the insertion is in place, the telescopic movement of the hydraulic rod 11 drives the push block 12 to move up and down. The push block 12 pushes the hook tongue 10 to extend out of the hollow bolt 8 through the inclined rail 13. Then the operator moves the hollow bolt 8 upward. At this time, the hook tongue 10 drives the hollow lifting pipe 5 to slide upward on the hanging plate 3 until the lower baffle 7 supports the hanging plate 3. Then the hollow bolt 8 is continuously moved upward. At this time, the hollow lifting pipe 5 will lift the hanging plate 3 upward, thereby driving the main body 1 of the lifting tool on the suspension rod 2 to move up and down to lift the railway freight container. By operating in the reverse direction, the gantry crane can be quickly separated from the existing lifting tool, thus realizing the automatic connection between the lifting tool and the gantry crane.

[0034] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A transfer spreader for railway freight containers, comprising a spreader main body (1), characterized in that: Four suspension rods (2) are fixedly connected to the sling body (1). The upper ends of the suspension rods (2) are fixedly connected with a suspension plate (3). A sliding hole (4) is formed in the center of the suspension plate (3). A hollow suspension pipe (5) is slidably connected to the sliding hole (4). An upper baffle (6) is welded to the outer wall of the upper part of the hollow suspension pipe (5). A lower baffle (7) is welded to the outer wall of the lower part of the hollow suspension pipe (5). A hollow plug pin (8) is inserted into the hollow suspension pipe (5). A connecting frame (9) is fixedly connected to the end of the hollow plug pin (8). A support (20) is fixedly connected to the connecting frame (9). The support (20) is rotatably connected to the lifting hanger of the gantry crane. A hook tongue (10) is connected to the outer wall of the lower part of the hollow plug pin (8) in a shrinkage and movable manner. A hydraulic rod (11) is fixedly connected to the connecting frame (9). The piston rod end of the hydraulic rod (11) is connected with a push block (12). The push block (12) is arranged inside the hollow plug pin (8). Four inclined rails (13) are arranged at the lower part of the push block (12). The inclined rails (13) are slidably connected to the hook tongue (10).

2. The transfer spreader for railway freight containers according to claim 1, characterized in that: The sling body (1) is composed of a frame, a rotating pin link structure and four rotating pins.

3. The transfer spreader for railway freight containers according to claim 1, characterized in that: A connecting ear (14) is fixedly connected to the lower baffle (7). The connecting ear (14) is connected to the rotating pin link structure of the sling body (1) through a cable.

4. The transfer spreader for railway freight containers according to claim 1, wherein: The inclined rail (13) is of a T-shaped structure. A T-shaped inclined groove (15) adapted to the inclined rail (13) is provided on the hook tongue (10).

5. The transfer spreader for railway freight containers according to claim 1, characterized in that: A micro camera (16) is embedded at the bottom end of the hollow plug pin (8).

6. The transfer spreader for railway freight containers according to claim 1, characterized in that: Two guide bars (17) are oppositely formed on the outer wall of the hollow suspension pipe (5). Two sliding grooves (18) are oppositely formed on the inner wall of the sliding hole (4). The guide bars (17) are slidably connected to the sliding grooves (18) in an adapted manner.

7. The transfer spreader for railway freight containers according to claim 1, characterized in that: The contact surface between the hook tongue (10) and the lower baffle (7) is provided with anti-slip lines (19).

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