Anti-derailment safety locking device of double-beam crane

By designing locking and cleaning devices, the problem of unbalanced force on the traveling wheels of the double-girder crane and deviation from the guide rail was solved, achieving the effects of preventing derailment and cleaning debris from the guide rail, thus ensuring the safe and stable operation of the double-girder crane.

CN223906389UActive Publication Date: 2026-02-13SHANDONG WEIFANG BASE ENG CO
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Patent Information

Application Number
CN202520724332.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-02-13
Estimated Expiration
2035-04-17

AI Technical Summary

Technical Problem

The existing double-girder cranes are not equipped with anti-derailment safety locking function on their traveling wheels, which causes the traveling wheels to be unbalanced, the running speed to exceed the reasonable range, and they are prone to deviating from the guide rail, causing derailment accidents.

Method used

A double-beam crane anti-derailment safety locking device was designed, which includes a locking device and a cleaning device. The device uses an electric push rod to move the connecting plate and locking block to accurately align the position of the traveling wheels, and uses a cleaning plate to clean debris from the guide rail to ensure stable operation of the traveling wheels.

Benefits of technology

It effectively prevents derailment accidents of the traveling wheels and maintains the stable operation of the double-girder crane, clearing foreign objects from the guide rails to avoid interference with the traveling wheels.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of locking brackets, in particular to an anti-derailment safety locking device of a double-beam crane. The road wheel locking device comprises a road wheel and a guide rail, one end of the road wheel is provided with a locking device, the locking device comprises a flange bearing, one end of the flange bearing is fixedly connected with the road wheel, a round rod is fixedly connected in the flange bearing, one end of the round rod is fixedly connected with a fixing block, and the other end of the round rod is fixedly connected with the guide rail. The two sides of the fixing block are fixedly connected with a fixing frame, one side of the fixing frame is fixedly connected with an L-shaped guide frame, the interior of the fixing frame is fixedly connected with two electric push rods, the output ends of the electric push rods are fixedly connected with a connecting plate, and the side, close to the guide rail, of the connecting plate is fixedly connected with a locking block. The problems that a traveling wheel of a traditional double-beam crane does not have an anti-derailment safety locking function, the stress of the traveling wheel is unbalanced, the running speed exceeds a reasonable range, the traveling wheel deviates from a set guide rail, and then a derailment accident is caused are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a locking support technical field especially relates to a double beam crane anti -derailing safety locking device. BACKGROUND

[0002] Double beam crane is a common hoisting equipment, mainly by bridge, cart running mechanism, trolley running mechanism, hoisting mechanism etc. Part constitutes, has hoisting capacity big, work range is wide, runs stably, convenient operation etc. Advantage, can satisfy different occasion hoisting operation demand, is the indispensable important equipment in modern industrial production and logistics transportation.

[0003] In prior art, the walking wheel of double beam crane is not equipped with anti -derailing safety locking function, during operation, is easily interfered by various factors, leads to uneven load of double beam crane itself, can cause walking wheel force imbalance, running speed exceeds reasonable range, can increase the inertia and instability of walking wheel, walking wheel will deviate from the established guide rail, and further cause derailment accident. UTILITY MODEL CONTENTS

[0004] The utility model discloses a double beam crane anti -derailing safety locking device, which solves the problem of uneven load of the walking wheel of the traditional double beam crane in the prior art, and prevents the walking wheel from deviating from the established guide rail, thereby avoiding derailment accidents.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a double beam crane anti -derailing safety locking device, including walking wheel and guide rail, one end of walking wheel is equipped with locking device, the locking device includes flange bearing, one end of flange bearing is fixedly connected with walking wheel, the inside fixedly connected with round bar of flange bearing, one end of round bar is fixedly connected with fixed block, the both sides fixedly connected with fixed frame of fixed block, one side fixedly connected with L-shaped guide frame of fixed frame, the inside fixedly connected with two electric push rods of fixed frame, the output end fixedly connected with connecting plate of electric push rod, one side fixedly connected with locking block of connecting plate close to guide rail, one end fixedly connected with antiskid plate of locking block.

[0006] The above-mentioned components achieve the effect that the electric push rod starts the output end to drive the connecting plate position adjustment, the locking block moves to drive the antiskid plate to move away from or close to the guide rail direction.

[0007] Preferably, one side of the L-shaped guide frame is fixedly connected with two fixed plates.

[0008] The above-mentioned components achieve the effect that the fixed plate is fixed on the L-shaped guide frame.

[0009] Preferably, one side of the fixed plate is fixedly connected with a telescopic rod, and an output end of the telescopic rod is fixedly connected with the connecting plate.

[0010] The above-mentioned component achieves the effect that the position of the telescopic rod is prevented from deviating during movement of the connecting plate.

[0011] Preferably, the arc surface of the telescopic rod is fixedly connected with a limiting plate, and the inner side of the limiting plate is fixedly connected with the electric push rod.

[0012] The above-mentioned component achieves the effect that the limiting plate prevents the telescopic rod and the electric push rod from being deformed.

[0013] Preferably, the two connecting plates are fixedly connected with a reinforcing frame on the side close to each other.

[0014] The above-mentioned component achieves the effect that the reinforcing frame prevents the connecting plate from being deformed.

[0015] Preferably, the limiting plate is provided with a cleaning device on one side, the cleaning device comprises two horizontal plates, the two horizontal plates are fixedly connected with the limiting plate on the side close to each other, and the horizontal plate is slidably connected with two fixed rods on one side.

[0016] The above-mentioned component achieves the effect that the fixed rod is assembled on the horizontal plate, and the horizontal plate is fixed on the limiting plate.

[0017] Preferably, one end of the two fixed rods is fixedly connected with a top plate.

[0018] The above-mentioned component achieves the effect that the top plate is fixed on the fixed rod.

[0019] Preferably, the arc surface of the fixed rod is sleeved with a spring, and the two ends of the two springs are fixedly connected with the top plate and the horizontal plate, respectively.

[0020] The above-mentioned component achieves the effect that the top plate moves under force to drive the fixed rod to slide on the horizontal plate, so that the spring is stretched.

[0021] Preferably, one end of the two fixed rods is fixedly connected with a bottom plate, and one side of the bottom plate is fixedly connected with a cleaning plate.

[0022] The above-mentioned component achieves the effect that the cleaning plate is fixed on the bottom plate, and the bottom plate is fixed on the fixed rod.

[0023] In summary, the beneficial effects of the utility model are as follows:

[0024] The utility model discloses, through locking device, when needing to prevent walking wheel from separating from guide rail, walking wheel deviates, and electric push rod receives corresponding signal and starts, makes connecting plate drive locking block to move, until locking block drives antiskid board and guide rail contact, and the output end of electric push rod continues to contract, and L shape guide frame is opposite to guide rail, and the position of walking wheel can be accurately adjusted, through locking device, have reached the solution traditional double -beam crane's walking wheel is not equipped with the anti -derailment safety locking function, walking wheel unbalance, and operating speed exceeds reasonable range, and walking wheel will deviate from the established guide rail, and further cause the derailment accident problem.

[0025] The utility model discloses, through cleaning device, when needing to clean the sundries on guide rail, walking wheel operates, makes clean board can continue to clean the surface of guide rail, thereby removing the sundries on guide rail, through cleaning device, have reached the solution traditional double -beam crane anti -derailment safety locking device, and the foreign matter on guide rail, such as falling parts, sundries etc. cleaning, can interfere with walking wheel normal work problem. ACCURACY OF DRAWINGS

[0026] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0027] Figure 2 It is the structure schematic diagram of locking structure of the utility model;

[0028] Figure 3 It is the local structure schematic diagram of three-dimensional structure of the utility model

[0029] Figure 4 It is the structure schematic diagram of cleaning structure of the utility model.

[0030] Legend: 1, walking wheel;2, locking device;201, flange bearing;202, round bar;203, fixed block;204, fixed frame;205, electric push rod;206, connecting plate;207, locking block;208, antiskid board;209, L shape guide frame;210, fixed plate;211, telescopic link;212, reinforcing frame;213, limiting plate;3, cleaning device;31, horizontal plate;32, fixed rod;33, spring;34, top plate;35, bottom plate;36, clean plate;4, guide rail. DETAILED DESCRIPTION

[0031] Refer Figure 1 And Figure 3 As shown in the utility model provides a technical scheme:A double -beam crane anti -derailment safety locking device, including walking wheel 1 and guide rail 4, walking wheel 1 one end is equipped with locking device 2, and the one side of limiting plate 213 is equipped with cleaning device 3.

[0032] The locking device 2 and the cleaning device 3 will be described in detail.

[0033] Referring to Figure 2 As shown in the figure, in the embodiment: the locking device 2 comprises a flange bearing 201, one end of the flange bearing 201 is fixedly connected with the walking wheel 1, the inside of the flange bearing 201 is fixedly connected with a round rod 202, one end of the round rod 202 is fixedly connected with a fixed block 203, both sides of the fixed block 203 are fixedly connected with a fixed frame 204, one side of the fixed frame 204 is fixedly connected with an L-shaped guide frame 209, the inside of the fixed frame 204 is fixedly connected with two electric push rods 205, the output end of the electric push rod 205 is fixedly connected with a connecting plate 206, one side of the connecting plate 206 close to the guide rail 4 is fixedly connected with a locking block 207, one end of the locking block 207 is fixedly connected with an anti-skid plate 208. The effect that the electric push rod 205 starts the output end to drive the connecting plate 206 to adjust the position, and the locking block 207 moves to drive the anti-skid plate 208 to move away from or close to the guide rail 4 is achieved. One side of the L-shaped guide frame 209 is fixedly connected with two fixed plates 210. The effect that the fixed plates 210 are fixed on the L-shaped guide frame 209 is achieved. One side of the fixed plate 210 is fixedly connected with a telescopic rod 211, and the output end of the telescopic rod 211 is fixedly connected with the connecting plate 206. The effect that the telescopic rod 211 prevents the position of the connecting plate 206 from deviating during movement is achieved. The arc surface of the telescopic rod 211 is fixedly connected with a limiting plate 213, and the inner side of the limiting plate 213 is fixedly connected with the electric push rod 205. The effect that the limiting plate 213 prevents the telescopic rod 211 and the electric push rod 205 from deforming is achieved. The side close to each other of the two connecting plates 206 is fixedly connected with a reinforcing frame 212. The effect that the reinforcing frame 212 prevents the connecting plate 206 from deforming is achieved.

[0034] Referring to Figure 4 As shown in the figure, in the embodiment: the cleaning device 3 comprises two horizontal plates 31, the side close to each other of the two horizontal plates 31 is fixedly connected with the limiting plate 213, and one side of the horizontal plate 31 is slidingly connected with two fixed rods 32. The effect that the fixed rods 32 are assembled on the horizontal plate 31, and the horizontal plate 31 is fixed on the limiting plate 213 is achieved. One end of the two fixed rods 32 is fixedly connected with a top plate 34. The effect that the top plate 34 is fixed on the fixed rod 32 is achieved. The arc surface of the fixed rod 32 is sleeved with a spring 33, and both ends of the two springs 33 are fixedly connected with the top plate 34 and the horizontal plate 31 respectively. The effect that the top plate 34 moves under force to drive the fixed rod 32 to slide on the horizontal plate 31, so that the spring 33 is stretched is achieved. One end of the two fixed rods 32 is fixedly connected with a bottom plate 35, and one side of the bottom plate 35 is fixedly connected with a cleaning plate 36. The effect that the cleaning plate 36 is fixed on the bottom plate 35, and the bottom plate 35 is fixed on the fixed rod 32 is achieved.

[0035] Working principle: through the locking device 2, when need to prevent walking wheel 1 from leaving guide rail 4, the operator first, the electric push rod 205 is connected with the corresponding controller, in the process of double beam crane operation, once walking wheel 1 appears deviation, electric push rod 205 will quickly receive the corresponding signal and start immediately, at this time, the output end of electric push rod 205 starts to retract, in turn drive the connecting plate 206 connected with it to move towards the guide rail 4, in this process, the output end of telescopic rod 211 always keeps retracted state, its role is to ensure that the connecting plate 206 does not appear position deviation during movement, reinforcing frame 212 is firmly fixed on connecting plate 206, moves synchronously with connecting plate 206, so as to effectively prevent connecting plate 206 from deformation due to stress, with the movement of connecting plate 206, locking block 207 is also driven to move, until locking block 207 drives anti-skid plate 208 to contact with guide rail 4, after anti-skid plate 208 contacts with guide rail 4, instantaneous friction between them is generated, at the same time, the output end of electric push rod 205 continues to shrink, until L-shaped guide frame abuts against guide rail 4, through this series of actions, the position of walking wheel 1 is accurately adjusted, successfully avoids the situation that walking wheel 1 leaves guide rail 4, ensures the safe and stable operation of double beam crane, through locking device 2, the problem that traditional double beam crane is not equipped with anti-derailment safety locking function of walking wheel 1, walking wheel 1 is out of balance, the running speed exceeds the reasonable range, walking wheel 1 deviates from the designated guide rail 4, and then causes derailment accident is solved.

[0036] Through cleaning device 3, when need to clean the sundries on guide rail 4, the operator first, makes walking wheel 1 work, because cleaning plate 36 is fixed on bottom plate 35, bottom plate 35 is connected with fixed rod 32, fixed rod 32 is assembled in horizontal plate 31, top plate 34 is installed on fixed rod 32, spring 33 is sleeved on fixed rod 32, two ends are connected with horizontal plate 31 and top plate 34 respectively, spring 33 continuously pushes top plate 34 to approach horizontal plate 31 by virtue of its own elastic force, in turn drives fixed rod 32 to drive bottom plate 35 to move away from horizontal plate 31, so that cleaning plate 36 abuts against guide rail 4, after walking wheel 1 works, drives the whole device to move, so that cleaning plate 36 can continuously clean the surface of guide rail 4, so as to remove the sundries on guide rail 4, through cleaning device 3, the problem that traditional double beam crane anti-derailment safety locking device cannot clean the sundries such as falling parts, sundries and the like on guide rail 4, which will interfere with the normal work of walking wheel 1 is solved.

[0037] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.

Claims

1. A dual beam crane anti-derailing safety locking device, comprising a walking wheel (1) and a guide rail (4), characterized in that: One end of the walking wheel (1) is provided with locking device (2), the locking device (2) includes flange bearing (201), one end of the flange bearing (201) is fixedly connected with walking wheel (1), the inside of the flange bearing (201) is fixedly connected with round bar (202), one end of the round bar (202) is fixedly connected with fixed block (203), both sides of the fixed block (203) are fixedly connected with fixed frame (204), one side of the fixed frame (204) is fixedly connected with L-shaped guide frame (209), the inside of the fixed frame (204) is fixedly connected with two electric push rods (205), the output end of the electric push rod (205) is fixedly connected with connecting plate (206), one side of the connecting plate (206) close to guide rail (4) is fixedly connected with locking block (207), one end of the locking block (207) is fixedly connected with antiskid plate (208).

2. A dual beam trolley de-railment safety locking device as claimed in claim 1 wherein: One side of the L-shaped guide frame (209) is fixedly connected with two fixed plates (210).

3. A dual beam trolley anti-derailing safety locking device according to claim 2, characterized in that: One side of the fixed plate (210) is fixedly connected with telescopic rod (211), and the output end of the telescopic rod (211) is fixedly connected with the connecting plate (206).

4. A dual beam trolley de-railment safety locking device as claimed in claim 3 wherein: The arc surface of the telescopic rod (211) is fixedly connected with the limiting plate (213), and the inner side of the limiting plate (213) is fixedly connected with the electric push rod (205).

5. A dual beam trolley de-railment safety locking device as claimed in claim 3 wherein: Two connecting plates (206) are fixedly connected with reinforcing frame (212) on the side close to each other.

6. A dual beam trolley de-railment safety locking device as claimed in claim 4 wherein: One side of the limiting plate (213) is provided with cleaning device (3), the cleaning device (3) includes two cross plates (31), the side close to each other of the two cross plates (31) is fixedly connected with the limiting plate (213), and the side of the cross plate (31) is slidably connected with two fixed rods (32).

7. A dual beam trolley de-railment safety locking device as claimed in claim 6 wherein: One end of the two fixed rods (32) is fixedly connected with the top plate (34).

8. A dual beam trolley de-railment safety locking device as claimed in claim 7 wherein: The arc surface of the fixed rod (32) is sleeved with spring (33), and the two ends of the two springs (33) are fixedly connected with the top plate (34) and the cross plate (31) respectively.

9. A dual beam trolley de-railment safety locking device as claimed in claim 8 wherein: One end of the two fixed rods (32) is fixedly connected with the bottom plate (35), and one side of the bottom plate (35) is fixedly connected with the cleaning plate (36).