Railway container lifting anti-derailment device

By designing a derailment prevention device for railway container hoisting, and using an adjustable stop bar to limit the flatbed car, the safety problem caused by deviation from the center during container hoisting is solved, and the hoisting safety and applicability are improved.

CN223852035UActive Publication Date: 2026-01-30NANJING INST OF RAILWAY TECH
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Patent Information

Application Number
CN202520566086.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-01-30
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Containers are prone to deviating from the center of the flatbed truck during hoisting, causing the flatbed truck to tilt or detach from the track, posing a safety hazard.

Method used

A railway container hoisting anti-derailment device was designed, including components such as a connecting chassis, counterweight seat, frame, lifting screw, hydraulic cylinder and stop bar. The adjustable first side stop bar and second side stop bar limit the flatbed car and ensure the stability of the container during hoisting.

Benefits of technology

It improves the safety of the hoisting process, prevents the flatbed from tilting or separating from the guide rail, adapts to flatbeds of different widths, and enhances the applicability of the device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223852035U_ABST
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Abstract

The utility model provides an anti-derailment device for railway container hoisting. Relates to the technical field of container lifting. The anti-derailment device for railway container lifting comprises a connecting chassis, a counterweight seat is fixedly mounted at the top of the connecting chassis, a bridging frame is fixedly mounted at the top of the counterweight seat, a lifting lead screw is rotatably mounted in the bridging frame, a lifting table is mounted on the lifting lead screw in a threaded mode, and the lifting table is fixedly mounted on the connecting chassis. A mounting frame body is fixedly mounted on one side of the lifting table, a first hydraulic cylinder is fixedly mounted in the mounting frame body, an output shaft of the first hydraulic cylinder extends out of the side, away from the bridging frame, of the mounting frame body, and an open frame is fixedly mounted on the output shaft of the first hydraulic cylinder; and a bidirectional lead screw is rotationally mounted in the open frame. The flat plate limiting device has the advantages that the flat plate can be stably limited, and the stability of the flat plate is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to container hoisting technical field especially relates to a railway container hoisting anti-derailing device. BACKGROUND

[0002] The railway container is a kind of standardization large container specially designed for railway transportation, and the container is generally hoisted to the flat car of railway wagon by lifting machine equipment when transporting, then is fixed on the flat car, and can be transported on railway.

[0003] However, when the container is placed on the flat car during hoisting, if the container deviates from the central part of the flat car, it is easy to make one side of the flat car kick up, or the hoisting speed of the container is too fast, which causes the pulley at the bottom of the flat car to be separated from the track, thereby possibly causing serious safety accidents.

[0004] Therefore, it is necessary to provide a new railway container hoisting anti-derailing device to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a railway container hoisting anti-derailing device which can stably limit the flat car and ensure the stability of the flat car.

[0006] To solve the above technical problems, the railway container hoisting anti-derailing device provided by the utility model comprises a connecting chassis, a counterweight seat is fixedly installed at the top of the connecting chassis, a frame connecting frame is fixedly installed at the top of the counterweight seat, a lifting lead screw is rotatably installed in the frame connecting frame, a lifting table is threadedly installed on the lifting lead screw, an installation frame body is fixedly installed on one side of the lifting table, a first hydraulic cylinder is fixedly installed in the installation frame body, an output shaft of the first hydraulic cylinder extends to the side of the installation frame body away from the frame connecting frame, an open frame is fixedly installed on the output shaft of the first hydraulic cylinder, a bidirectional lead screw is rotatably installed in the open frame, two sliding pieces are threadedly installed on the bidirectional lead screw, a first side stop lever is fixedly installed on each of the two sliding pieces, two second side stop levers are arranged on the side of the two first side stop levers away from the open frame, a third hydraulic cylinder is fixedly installed on each of the two first side stop levers and the two second side stop levers, a pressing plate is fixedly installed on the output shaft of each of the four third hydraulic cylinders, and the four pressing plates respectively penetrate through the two first side stop levers and the two second side stop levers and are slidably connected with the corresponding first side stop levers and second side stop levers.

[0007] Preferably, the top end of the two first side stop levers is fixedly provided with a flat top plate, the top end of the two second side stop levers is fixedly provided with a connecting head, the top of the two flat top plates is fixedly provided with a standing plate, the second hydraulic cylinder is fixedly installed on the two standing plates, the output shaft of the two second hydraulic cylinders penetrates through the two standing plates and is in sliding connection with the corresponding standing plate, the output shaft of the two second hydraulic cylinders is fixedly provided with a connecting strip, the side of the two connecting strips away from the frame connecting frame is fixedly provided with a guide column, the two guide columns penetrate through the two standing plates and are in fixed connection with the corresponding connecting head, and the two guide columns are in sliding connection with the two standing plates.

[0008] Preferably, the bottom of the connecting base plate is fixedly provided with a hollow support seat, the bottom of the hollow support seat is provided with an opening, two fourth hydraulic cylinders are fixedly installed on the inner wall of the top of the hollow support seat, the output shaft of the two fourth hydraulic cylinders is fixedly provided with a same bearing plate, and the bottom of the bearing plate is fixedly provided with four universal wheels distributed in a matrix.

[0009] Preferably, the top of the frame connecting frame is fixedly provided with a first servo motor, the output shaft of the first servo motor is in fixed connection with the top end of the lifting lead screw, the top of the counterweight seat is fixedly provided with a gantry, and two vertical columns are fixedly installed in the gantry.

[0010] Preferably, the second servo motor is fixedly installed on the outer wall of one side of the open frame, the output shaft of the second servo motor is in fixed connection with one end of the bidirectional lead screw, two longitudinal cross bars are fixedly installed in the open frame, and the two longitudinal cross bars penetrate through the sliding piece and are in sliding connection with the sliding piece.

[0011] Preferably, the mounting frame body is slidably provided with two reinforcing ribs away from the frame connecting frame, and the two reinforcing ribs are in fixed connection with the open frame away from the frame connecting frame.

[0012] Preferably, the counterweight seat is fixedly provided with a traction hanging ring away from the first side stop lever.

[0013] Compared with the related art, the railway container hoisting anti-derailing device has the following beneficial effects:

[0014] The utility model provides a railway container hoisting anti -derailing device, through setting up first side fender, second side fender and the lower pressing plate, can form reliable limiting effect to the flat car, even if the container is in hoisting process, is not placed to the center position of the flat car, also won't appear the flat car one side to rise, or because the impact force is too big and leads to the flat car and the rail separation condition, has improved the safety of hoisting process, and the interval of two first side fenders is adjustable, and the second side fender can adapt to the flat car of different width, thereby improved the applicable performance of this device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The structure schematic diagram of a preferred embodiment of the railway container hoisting anti -derailing device provided by the utility model is provided.

[0016] Figure 2 The inclined view structure schematic diagram of the utility model is provided.

[0017] Figure 3 The side view section structure schematic diagram of the hollow support seat in the utility model is provided.

[0018] Figure 4 The connection structure schematic diagram of the bidirectional screw rod and the sliding piece in the utility model is provided.

[0019] Figure 5 The connection structure schematic diagram of the lifting screw rod and the lifting platform in the utility model is provided.

[0020] Figure 6 The assembly schematic diagram of the first side fender and the second side fender in the utility model is provided.

[0021] Figure 7 The state schematic diagram of the flat car being limited in the utility model is provided.

[0022] The reference numerals in the drawing are: 1, connecting bottom disc;2, hollow support seat;3, counterweight seat;4, frame connection frame;5, lifting screw rod;6, lifting platform;7, installation frame body;8, first hydraulic cylinder;9, open frame;10, bidirectional screw rod;11, sliding piece;12, first side fender;13, second side fender;14, flat top plate;15, standing plate;16, second hydraulic cylinder;17, link strip;18, guide column;19, connecting head;20, third hydraulic cylinder;21, lower pressing plate;22, fourth hydraulic cylinder;23, bearing plate;24, universal wheel. DETAILED DESCRIPTION

[0023] The utility model will be further explained in combination with the drawings and implementation.

[0024] Please combine with Figures 1-7The railway container lifting anti-derailing device comprises a connecting chassis 1, a counterweight seat 3 fixedly installed on the top of the connecting chassis 1, the counterweight seat 3 being capable of increasing the mass of the device as a whole so as not to be easily displaced, a traction hanging ring fixedly installed on the side of the counterweight seat 3 away from a first side stopper 12, facilitating connection with an external traction truck, a frame connecting frame 4 fixedly installed on the top of the counterweight seat 3, a lifting lead screw 5 rotatably installed in the frame connecting frame 4, a first servo motor fixedly installed on the top of the frame connecting frame 4, the output shaft of the first servo motor being fixedly connected with the top end of the lifting lead screw 5, a lifting platform 6 threadedly installed on the lifting lead screw 5, the lifting platform 6 being fixedly installed on one side of the installation frame body 7, a gantry fixedly installed on the top of the counterweight seat 3 to ensure stable lifting of the lifting platform 6, two vertical columns fixedly installed in the gantry, the two vertical columns both penetrating through the lifting platform 6 and being in sliding connection with the lifting platform 6, a first hydraulic cylinder 8 fixedly installed in the installation frame body 7, the output shaft of the first hydraulic cylinder 8 extending to the outside of the installation frame body 7 away from the frame connecting frame 4, an open frame 9 fixedly installed on the output shaft of the first hydraulic cylinder 8, two reinforcing ribs slidably installed on the side of the installation frame body 7 away from the frame connecting frame 4, the two reinforcing ribs both being fixedly connected with the open frame 9 away from the frame connecting frame 4, so as to reduce the bearing force of the output shaft of the first hydraulic cylinder 8, a bidirectional lead screw 10 rotatably installed in the open frame 9, a second servo motor fixedly installed on the side outer wall of the open frame 9, the output shaft of the second servo motor being fixedly connected with one end of the bidirectional lead screw 10, two sliding pieces 11 threadedly installed on the bidirectional lead screw 10, the first side stopper 12 being fixedly installed on the two sliding pieces 11, two longitudinal cross bars fixedly installed in the open frame 9 to ensure stable linear sliding of the sliding pieces 11, the two longitudinal cross bars both penetrating through the sliding pieces 11 and being in sliding connection with the sliding pieces 11, two second side stoppers 13 provided on the side of the two first side stoppers 12 away from the open frame 9, a third hydraulic cylinder 20 fixedly installed on the two first side stoppers 12 and the two second side stoppers 13, a lower pressing plate 21 fixedly installed on the output shaft of the four third hydraulic cylinders 20, the four lower pressing plates 21 respectively penetrating through the two first side stoppers 12 and the two second side stoppers 13 and being in sliding connection with the corresponding first side stoppers 12 and second side stoppers 13.

[0025] In the above manner, in order to form linkage between the second side stop lever 13 and the first side stop lever 12, the top end of the two first side stop levers 12 is fixedly provided with a flat top plate 14, the top end of the two second side stop levers 13 is fixedly provided with a connecting head 19, the top of the two flat top plates 14 is fixedly provided with a standing plate 15, the two standing plates 15 are fixedly provided with a second hydraulic cylinder 16, the output shaft of the two second hydraulic cylinders 16 penetrates through the two standing plates 15 and is slidably connected with the corresponding standing plate 15, and the output shaft of the two second hydraulic cylinders 16 is fixedly provided with a connecting strip 17, the two connecting strips 17 are fixedly provided with a guide column 18 away from the frame 4, the two guide columns 18 penetrate through the two standing plates 15 and are fixedly connected with the corresponding connecting head 19, and the two guide columns 18 are slidably connected with the two standing plates 15, so that the second side stop lever 13 can be moved together with the first side stop lever 12.

[0026] In the present manner, in order to facilitate the movement of the device, a hollow support seat 2 is fixedly installed at the bottom of the connecting base plate 1, the bottom of the hollow support seat 2 is open, two fourth hydraulic cylinders 22 are fixedly installed on the inner wall of the top of the hollow support seat 2, the same bearing plate 23 is fixedly installed on the output shaft of the two fourth hydraulic cylinders 22, and four universal wheels 24 are fixedly installed at the bottom of the bearing plate 23 in a matrix distribution.

[0027] The working principle of the railway container lifting anti-derailing device provided by the utility model is as follows:

[0028] In the device, the traction hanging ring on the counterweight seat 3 can be connected with an external traction truck, so that the connecting base plate 1 can be moved to a specified use position;

[0029] When the container needs to be lifted onto the flat car, the first servo motor is first started in the forward direction, the output shaft drives the lifting lead screw 5 to rise, and the lifting platform 6 is brought to the highest position, then the output shaft of the fourth hydraulic cylinder 22 is extended, the bearing plate 23 descends with the universal wheels 24, finally the hollow support seat 2 is lifted up and separated from the ground, then the connecting base plate 1 is moved to a specified use position by the traction truck, the position is a certain distance away from the flat car, so as not to sink into the gravel ground on both sides of the track, and the flat car is located in the vertical space between the first side stop lever 12 and the second side stop lever 13, and the first side stop lever 12 and the second side stop lever 13 are located above the flat car;

[0030] Subsequently, the first servo motor is started in reverse, the lifting platform 6 starts to descend, until the lifting platform 6 descends to the specified height, at this time, the flat car and the first side stop lever 12 and the second side stop lever 13 are in a horizontal state, and the flat car is located in the middle position of the first side stop lever 12 and the second side stop lever 13, then, according to the length of the flat car, the distance between the two first side stop levers 12 is adjusted, when adjusting, the second servo motor is started in forward direction, the output shaft drives the bidirectional lead screw 10 to rotate, and the two sliding plates 11 move away from each other, until the two first side stop levers 12 move to the both sides of the flat car, the second servo motor is turned off, then the output shaft of the first hydraulic cylinder 8 is extended, so that the two first side stop levers 12 move to one side of the flat car, and finally abut against one side of the flat car;

[0031] Subsequently, the output shafts of the two second hydraulic cylinders 16 are extended, and the two second side stop levers 13 gradually approach the other side of the flat car until the second side stop levers 13 abut against the other side, then the output shafts of the four third hydraulic cylinders 20 are extended, and the four pressing plates 21 start to descend and finally abut against the top of the flat car, at this time, the both sides and the top of the flat car are well limited;

[0032] Then, the container is lifted onto the flat car by using the lifting equipment.

[0033] Compared with the related art, the railway container lifting anti-derailing device has the following beneficial effects:

[0034] The railway container lifting anti-derailing device provided by the utility model can reliably limit the flat car, even if the container is not placed in the center position of the flat car during lifting, the side of the flat car will not be raised, or the flat car will not be separated from the guide rail due to excessive impact force, the safety of the lifting process is improved, the distance between the two first side stop levers 12 is adjustable, and the second side stop lever 13 can adapt to flat cars of different widths, so that the applicability of the device is improved.

[0035] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A railway container lifting anti-derailing device comprising a connecting chassis, characterized in that, The top of the connecting chassis is fixedly installed with a counterweight seat, the top of the counterweight seat is fixedly installed with a frame connecting frame, a lifting lead screw is rotatably installed in the frame connecting frame, a lifting table is threadedly installed on the lifting lead screw, a mounting frame body is fixedly installed on one side of the lifting table, a first hydraulic cylinder is fixedly installed in the mounting frame body, the output shaft of the first hydraulic cylinder extends to the side of the mounting frame body away from the frame connecting frame, an open frame is fixedly installed on the output shaft of the first hydraulic cylinder, a bidirectional lead screw is rotatably installed in the open frame, two sliding pieces are threadedly installed on the bidirectional lead screw, first side stop rods are fixedly installed on the two sliding pieces, two second side stop rods are arranged on the side of the two first side stop rods away from the open frame, third hydraulic cylinders are fixedly installed on the two first side stop rods and the two second side stop rods, and lower pressing plates are fixedly installed on the output shafts of the four third hydraulic cylinders.

2. The railway container lift-out derailment prevention device according to claim 1, characterized in that, The top ends of the two first side stop rods are fixedly installed with flat top plates, the top ends of the two second side stop rods are fixedly installed with connecting heads, standing plates are fixedly installed on the top of the two flat top plates, second hydraulic cylinders are fixedly installed on the two standing plates, the output shafts of the two second hydraulic cylinders respectively penetrate through the two standing plates and are in sliding connection with the corresponding standing plates, link strips are fixedly installed on the output shafts of the two second hydraulic cylinders, guide columns are fixedly installed on the side of the two link strips away from the frame connecting frame, the two guide columns respectively penetrate through the two standing plates and are in fixed connection with the corresponding connecting heads, and the two guide columns are in sliding connection with the two standing plates.

3. The railway container lift-out derailment prevention device according to claim 1, wherein The bottom of the connecting chassis is fixedly installed with a hollow support seat, the bottom of the hollow support seat is open, two fourth hydraulic cylinders are fixedly installed on the top inner wall of the hollow support seat, the same bearing plate is fixedly installed on the output shafts of the two fourth hydraulic cylinders, and four universal wheels in a matrix distribution are fixedly installed on the bottom of the bearing plate.

4. The railway container lift-out derailment prevention device according to claim 1, wherein The top of the frame connecting frame is fixedly installed with a first servo motor, the output shaft of the first servo motor is in fixed connection with the top end of the lifting lead screw, the top of the counterweight seat is fixedly installed with a portal frame, and two vertical columns are fixedly installed in the portal frame.

5. The railway container roll-off derailment prevention device according to claim 1, wherein A second servo motor is fixedly installed on the side outer wall of the open frame, the output shaft of the second servo motor is in fixed connection with one end of the bidirectional lead screw, two longitudinal cross bars are fixedly installed in the open frame, and the two longitudinal cross bars respectively penetrate through the sliding pieces and are in sliding connection with the sliding pieces.

6. The railway container roll-off prevention device according to claim 1, wherein Two reinforcing ribs are slidingly installed on the side of the mounting frame body away from the frame connecting frame, and the ends of the two reinforcing ribs away from the frame connecting frame are in fixed connection with the open frame.

7. The railway container roll-off prevention device according to claim 1, wherein The side of the counterweight seat away from the first side stop rod is fixedly installed with a traction hanging ring.