Self-adjusting end beam structure for suspension track

By adjusting the end beam structure by self-adjusting the end beam structure, the active wheel assembly, passive wheel assembly and adjustment protection assembly are adopted to automatically adjust the clearance, solving the deviation problem of the suspension crane when adjusting the clearance, ensuring stable contact between the wheels, and improving safety and reliability.

CN223060536UActive Publication Date: 2025-07-04SUZHOU SHENFENG HOISTING MACHINERY
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Patent Information

Application Number
CN202421583046.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-07-04
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

Existing suspension cranes are prone to deviations when adjusting clearances, and the wheels are fixed and unstable, which may lead to excessive operational errors and affect safety.

Method used

The self-adjusting end beam structure is adopted, including the driving wheel assembly, the passive wheel assembly, the horizontal wheel assembly and the adjustment protection assembly. The clearance is automatically adjusted by adjusting the screw and the elastic assembly to ensure the appropriate contact state of the wheel, and is fixed by the grooved nut and the opening pin to prevent loosening.

Benefits of technology

It realizes that the wheels automatically adapt to the track during operation, avoid deviation, ensure safety and stability, prevent the nut from loosening, and improve the safety and reliability of the suspension crane.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223060536U_ABST
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Abstract

The utility model relates to the technical field of suspension hoisting, in particular to a self-adjusting end beam structure for a suspension track. The end beam comprises an end beam body, transmission assemblies arranged at the two ends of the end beam body and used for sliding in a matched mode, and buffering assemblies arranged at the two ends of the end beam body. The driving wheel assembly is arranged on one side of the end beam body, the horizontal wheel assembly is arranged on the other side of the end beam body and corresponds to a driven wheel set arranged on the driving wheel assembly, and the horizontal wheel assembly is arranged at one end of the outer side of the driving wheel set and one end of the outer side of the driven wheel set. And the adjusting protection assembly is arranged between the driving wheel assembly and the driven wheel assembly and used for adjusting the distance. The utility model has the beneficial effects that the driving wheel assembly and the driven wheel assembly are assembled by adjusting the protection assembly, the gap is adjusted as required, the elastic piece is arranged in the middle, the wheel assembly and the end beam body deform through the elastic assembly and automatically adapt to a track, and the deviation caused by out-of-tolerance is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of suspension lifting, in particular to a self-adjusting end beam structure for a suspension track. Background Technique

[0002] The full name of a suspension crane is: flexible light combined suspension crane, which also belongs to light and small lifting equipment. Suspension cranes are divided into two types: single-beam type and double-beam type. The main advantages include a lifting capacity of up to 20,000 KG, easy installation, safety, etc.

[0003] In the prior art, whether the trolley wheels are in contact is crucial for safety. However, in the prior art, when adjusting the clearance, a large number of parts need to be adjusted, so there may be deviations. In addition, when fixing the wheels, their stability needs to be ensured and they cannot become loose. At the same time, if there is an out-of-tolerance during operation, it may affect the movement of the entire trolley, posing a danger. Therefore, an automatic reset wheel set is needed to ensure safety.

[0004] Therefore, it is necessary to design a self-adjusting end beam structure for a suspension track to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a self-adjusting end beam structure for a suspension track to overcome the above-mentioned deficiencies existing in the current prior art.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A self-adjusting end beam structure for a suspension track, which comprises an end beam body, a transmission component arranged at both ends of the end beam body and used for cooperating with sliding, and a buffer component arranged at both ends of the end beam body. It is characterized in that: the transmission component includes a driving wheel component arranged on one side of the end beam body, a driven wheel group arranged on the other side of the end beam body and corresponding to the driving wheel component, a horizontal wheel component arranged at one end of the outer side of the driving wheel group and the driven wheel group, and an adjusting and protecting component arranged between the driving wheel component and the driven wheel group for adjusting the distance. The adjusting and protecting component includes an adjusting screw rod for installing the driving wheel component and the driven wheel group on the end beam body, an adjusting nut installed in cooperation with the adjusting screw rod for fixing, a fixing pin shaft installed between the driving wheel component and the driven wheel group through a self-lubricating bushing. An outer bushing is arranged at the end of the fixing pin shaft and is located outside the driving wheel component and the driven wheel group. Adjusting washers are sleeved at both ends of the fixing pin shaft, and the adjusting washers are located outside the outer bushing. A slotted nut is arranged outside the adjusting washer and is located at the end of the fixing pin shaft. Elastic components are also sleeved at both ends of the fixing pin shaft, and one group of elastic components is used to abut against the inner wall of the driving wheel component, and the other group is used to abut against the driven wheel group.

[0008] Preferably, the driving wheel component includes a driving wheel mounting plate and a driving wheel arranged on the driving wheel mounting plate; the driven wheel group includes a driven wheel mounting plate and a driven wheel arranged on the driven wheel mounting plate; the driving wheels and the driven wheels are arranged in one-to-one correspondence; the horizontal wheel component includes a horizontal mounting block arranged at one end of the outer side of the driving wheel mounting plate and the driven wheel mounting plate, and a horizontal wheel installed on the horizontal mounting block through a nut. The horizontal wheel is horizontally arranged, and the driving wheel and the driven wheel are vertically arranged.

[0009] Preferably, the self-lubricating bushing is arranged between the driving wheel component and the driven wheel group.

[0010] Preferably, a plurality of slots are formed in the slotted nut, and the slots are evenly distributed on the surface. An opening pin is inserted into the end of the fixing pin shaft, and the opening pin is located in the slot of the slotted nut. The slotted nut is fixed by the opening pin.

[0011] Preferably, the buffer component includes a buffer bracket arranged at both ends of the end beam body and a buffer arranged on the buffer bracket; the buffer bracket is fixedly installed at the end of the side of the end beam body through bolts and nuts.

[0012] The beneficial effects of the present utility model are as follows: The driving wheel assembly and the driven wheel group are assembled by adjusting the protection assembly, and the gap is adjusted as needed to make the wheels in a suitable contact state. In addition, the structure of the slotted nut and the split pin is not used for fixation, so as to ensure safety and prevent the nut from loosening. An elastic member is installed in the middle, and the wheel group and the end beam body are deformed through the elastic assembly to automatically adapt to the track and avoid the deviation caused by out-of-tolerance. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of a self-adjusting end beam structure for a suspension track of the present utility model;

[0014] Figure 2 is a top view of a self-adjusting end beam structure for a suspension track of the present utility model;

[0015] Figure 3 is an exploded schematic diagram of a self-adjusting end beam structure for a suspension track of the present utility model;

[0016] In the figure: 1, end beam body; 2, transmission assembly; 3, buffer assembly; 21, driving wheel assembly; 22, driven wheel group; 23, horizontal wheel assembly; 24, adjustment protection assembly; 211, driving wheel mounting plate; 212, driving wheel; 221, driven wheel mounting plate; 222, driven wheel; 231, horizontal mounting block; 232, nut; 233, horizontal wheel; 241, adjustment screw rod; 242, adjustment nut; 243, self-lubricating bushing; 244, fixed pin shaft; 5, outer bushing; 245, adjustment gasket; 246, slotted nut; 247, slot; 248, split pin; 4, elastic assembly. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. 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.

[0018] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0019] Refer to Figures 1 to 3, A self-adjusting end beam structure for a suspension track, which includes an end beam body 1, a transmission component 2 arranged at both ends of the end beam body and used for cooperative sliding, and a buffer component 3 arranged at both ends of the end beam body;

[0020] The transmission component 2 includes a driving wheel assembly 21 arranged on one side of the end beam body 1, a driven wheel group 22 arranged on the other side of the end beam body 1 and corresponding to the driving wheel assembly, a horizontal wheel assembly 23 arranged at one end of the outer side of the driving wheel group and the driven wheel group, and an adjusting and protecting component 24 arranged between the driving wheel assembly 21 and the driven wheel group 22 for adjusting the distance;

[0021] The driving wheel assembly 21 includes a driving wheel mounting plate 211 and a driving wheel 212 arranged on the driving wheel mounting plate 211;

[0022] The driven wheel group 22 includes a driven wheel mounting plate 221 and a driven wheel 222 arranged on the driven wheel mounting plate 221;

[0023] The driving wheels 212 and the driven wheels 222 are arranged in one-to-one correspondence;

[0024] The horizontal wheel assembly 23 includes a horizontal mounting block 231 arranged at one end of the outer side of the driving wheel mounting plate 211 and the driven wheel mounting plate 221, and a horizontal wheel 233 installed on the horizontal mounting block through a nut 232. The horizontal wheel 233 is horizontally arranged, and the driving wheels 212 and the driven wheels 222 are vertically arranged;

[0025] The adjusting and protecting component 24 includes an adjusting screw rod 241 for installing the driving wheel assembly 21 and the driven wheel group 22 on the end beam body 1, an adjusting nut 242 for cooperating with the adjusting screw rod for installation to play a fixing role, and a fixing pin shaft 244 installed between the driving wheel assembly 21 and the driven wheel group 22 through a self-lubricating bushing 243; The self-lubricating bushing 243 is arranged between the driving wheel assembly 21 and the driven wheel group 22;

[0026] An outer bushing 5 is arranged at the end of the fixing pin shaft 244 and is arranged outside the driving wheel assembly 21 and the driven wheel group 22. Adjusting washers 245 are sleeved at both ends of the fixing pin shaft 244, and the adjusting washers 245 are arranged outside the outer bushing 243. A slotted nut 246 is arranged outside the adjusting washer 245, and the slotted nut 246 is arranged at the end of the fixing pin shaft 244;

[0027] A plurality of slots 247 are formed in the slotted nut 246, and the slots are evenly distributed on the surface. An opening pin 248 is inserted into the end of the fixed pin shaft 244, and the opening pin 248 is placed in the slot 247 of the slotted nut 246. The slotted nut 246 is fixed by the opening pin 248 to prevent rotation caused by vibration and avoid loosening of the slotted nut 246.

[0028] Elastic components 4 are also sleeved on both ends of the fixed pin shaft 244; one set of elastic components 4 is used to abut against the inner wall of the driving wheel assembly 21, and the other set is used to abut against the driven wheel group 22.

[0029] The buffer assembly 3 includes buffer brackets 31 provided at both ends of the end beam body and buffers 32 provided on the buffer brackets; the buffer brackets 31 are fixedly installed at the ends on the side of the end beam body by bolts and nuts.

[0030] In this embodiment: during installation, the distance between the two side wall panels is adjusted by adjusting the lead screw and locking the nut group, so that the wheels are in a proper contact state. The position is fixed by the fixed pin shaft, the slotted nut and the opening pin to ensure safety;

[0031] When there is an out-of-tolerance in the running track, the crane runs, and the main beam and the end beam body are bolt-connected. At this time, through the elastic feet in the suspension wheel set, the wheel set and the end beam body deform through the elastic components to automatically adapt to the track. When running to the normal track section, under the action of the elastic components, the wheel set automatically resets.

[0032] The advantages of the present utility model are as follows: the driving wheel assembly and the driven wheel group are assembled by adjusting the protection assembly, and the gap is adjusted as needed, so that the wheels are in a proper contact state. In addition, the structure of the slotted nut and the opening pin is not used for fixation, so as to ensure safety and prevent the nut from loosening; an elastic member is installed in the middle, and the wheel set and the end beam body deform through the elastic components to automatically adapt to the track and avoid the deviation caused by out-of-tolerance.

[0033] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes an equivalent replacement or change, and should be covered by the protection scope of the present utility model.

Claims

1. A self-adjusting end beam structure for a suspension track, which comprises an end beam body, a transmission assembly arranged at both ends of the end beam body and used for cooperating with sliding, and a buffer assembly arranged at both ends of the end beam body, and is characterized in that: The transmission assembly includes a driving wheel assembly arranged on one side of the end beam body, a driven wheel set arranged on the other side of the end beam body corresponding to the driving wheel assembly, a horizontal wheel assembly arranged at one outer end of the driving wheel set and the driven wheel set, and an adjusting and protecting assembly arranged between the driving wheel assembly and the driven wheel set for adjusting the distance. The adjusting and protecting assembly includes an adjusting screw rod for mounting the driving wheel assembly and the driven group on the end beam body, an adjusting nut for cooperating with the adjusting screw rod for fixing, a fixing pin shaft arranged between the driving wheel assembly and the driven wheel set through self-lubricating bushing fitting, an outer bushing arranged at the end of the fixing pin shaft and located outside the driving wheel assembly and the driven wheel set, adjusting washers sleeved on both ends of the fixing pin shaft, and the adjusting washers are located outside the outer bushing, a slotted nut arranged outside the adjusting washers and located at the end of the fixing pin shaft, and elastic components are also sleeved on both ends of the fixing pin shaft, and one group of elastic components is used to abut against the inner wall of the driving wheel assembly, and the other group is used to abut against the driven wheel set.

2. The self-adjusting end beam structure for a suspension track according to claim 1, characterized in that: The driving wheel assembly includes a driving wheel mounting plate and a driving wheel arranged on the driving wheel mounting plate; the driven wheel set includes a driven wheel mounting plate and a driven wheel arranged on the driven wheel mounting plate; the driving wheel and the driven wheel are arranged in one-to-one correspondence; the horizontal wheel assembly includes a horizontal mounting block arranged at one outer end of the driving wheel mounting plate and the driven wheel mounting plate, and a horizontal wheel mounted on the horizontal mounting block through nut fitting, and the horizontal wheel is arranged horizontally, and the driving wheel and the driven wheel are arranged vertically.

3. The self-adjusting end beam structure for a suspension track according to claim 1, wherein: The self-lubricating bushing is arranged between the driving wheel assembly and the driven wheel set.

4. The self-adjusting end beam structure for a suspension track according to claim 1, characterized in that: A plurality of slots are formed in the slotted nut, and the slots are evenly distributed on the surface. A split pin is inserted into the end of the fixing pin shaft, and the split pin is located in the slot of the slotted nut, and the slotted nut is fixed by the split pin.

5. The self-adjusting end beam structure for a suspension track according to claim 1, wherein: The buffer assembly includes buffer brackets arranged at both ends of the end beam body and buffers arranged on the buffer brackets; the buffer brackets are fixedly installed at the end of the side of the end beam body through bolts and nuts.