Suspension structure of a flatbed trailer

By designing the front and rear wheel suspension structures for flatbed trailers, the balance adjustment of the tires is achieved, and the problem of insufficient adaptability of the suspension structure on the convex and concave road surfaces is solved, and the stability of the vehicle and the uniform stress effect of the tires are improved.

CN222727748UActive Publication Date: 2025-04-08SHANDONG SHENZONG MASCH TECH CO LTD
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Patent Information

Application Number
CN202421427707.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-04-08
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

The suspension structure of the flatbed trailer is not adaptable to the convex and concave road surface, resulting in unbalanced tires, poor road fitting effect, and stability and bumpy problems.

Method used

A flat-panel trailer suspension structure including a front wheel suspension structure and a rear wheel suspension structure is designed. The left and right and front and rear balance adjustments of the front and rear wheels are realized through the design of the first shaft body and the second shaft body, thereby improving the adaptability of the suspension.

Benefits of technology

Through balance adjustment, the fit between the tire and the road surface is improved, thereby improving the stability of the vehicle, solving the problem of uniform tire stress.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model proposes a suspension structure for a flatbed trailer, a flatbed trailer main frame, a suspension structure is arranged at the bottom of the flatbed trailer main frame, the suspension structure includes a connecting piece matched with the shaft of the flatbed trailer main frame, and the shafts on both sides of the connecting piece are matched with wheel shafts. Therefore, the utility model has the advantage that the structure can adaptively realize the front and rear left and right balance adjustment of the wheels, improve the fit between the tires and the road surface during driving, thereby improving stability and solving the problem of uniform force on the tires.
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Description

Technical Field

[0001] The utility model belongs to the field of suspension structures of flatbed trailers, in particular to a suspension structure of a flatbed trailer. Background Art

[0002] Flatbed trailers, also known as flatbed trucks, full-trailer flatbed trucks, full trailers, flatbed trailers, etc., are important tools for modern logistics and transportation. Using flatbed trailers is the most effective and simple means to improve economic benefits. They have the advantages of strong load-bearing capacity and high efficiency.

[0003] At present, there are some problems with the suspension structure of flatbed trailers. For example, the suspension structure is not highly adaptable on uneven roads, which causes tire imbalance, poor road adhesion, and stability and bump problems.

[0004] Therefore, in view of the shortcomings of the above scheme in actual production and implementation, it is revised and improved. At the same time, in the spirit and concept of seeking excellence, with the assistance of professional knowledge and experience, and after many ingenuity and experiments, the present utility model is created, and a suspension structure of a flatbed trailer is provided to solve the above problems. Utility Model Content

[0005] The utility model provides a suspension structure of a flatbed trailer, which solves the problems in the prior art.

[0006] The technical solution of the utility model is implemented as follows: a suspension structure of a flatbed trailer comprises a flatbed trailer main frame, the bottom of the flatbed trailer main frame is matched with a front wheel suspension structure and a rear wheel suspension structure.

[0007] As a preferred embodiment of the suspension structure of a flatbed trailer, the front wheel suspension structure includes two first connecting plates fixed to the bottom of the flatbed trailer main frame, a front wheel axle is arranged between the two first connecting plates, front wheels are arranged at both ends of the front wheel axle, a front wheel middle plate is arranged in the middle of the front wheel axle, a first shaft body is matched on the front wheel middle plate, both ends of the first shaft body extend outward through the first connecting plates, a first gasket is slidably matched on the extended end, a first limiting shaft cap is arranged at one end of the first gasket, and the first limiting shaft cap is slidably matched on the first shaft body.

[0008] By adopting the above scheme, the first shaft body is used to achieve left-right balance adjustment of the front wheel suspension structure. Under the action of the first shaft body, the front wheel can achieve left-right axial movement to achieve a balancing effect.

[0009] As a preferred embodiment of the suspension structure of a flatbed trailer, the first axle body is inserted into and matched with a first latch for limiting the first limiting axle cap, and both ends of the first latch are bent to serve as a closing portion.

[0010] By adopting the above solution, the two ends of the first latch are closed to ensure the stability of fixation.

[0011] As a preferred embodiment of the suspension structure of a flatbed trailer, the rear wheel suspension structure includes two second connecting plates fixed to the bottom of the flatbed trailer main frame, a connecting piece is provided between the two second connecting plates, a second shaft body is matched with the connecting piece, two ends of the second shaft body pass through the second connecting plates and extend outward, a second gasket is slidably matched with the extension end, a second limit shaft cap is provided at one end of the second gasket, and the second limit shaft cap is slidably matched with the second shaft body;

[0012] As a preferred embodiment of the suspension structure of a flatbed trailer, rear wheel axles are arranged at both ends of the connecting member, rear wheels are arranged at both ends of the rear wheel axle, a rear wheel middle plate is arranged in the middle of the rear wheel axle, and the rear wheel middle plate cooperates with the connecting member shaft.

[0013] By adopting the above scheme, the second shaft body is used to achieve the front-rear balance adjustment of the rear wheel suspension. Under the action of the second shaft body, the rear wheel can realize the front-rear axial movement to achieve a balancing effect.

[0014] As a preferred embodiment of the suspension structure of a flatbed trailer, the second axle body is inserted with a second latch for limiting the second limiting axle cap, and both ends of the second latch are bent to serve as a closing portion.

[0015] As a preferred embodiment of the suspension structure of a flatbed trailer, the connecting piece is provided with a third axle corresponding to the rear wheel middle plate, both ends of the third axle extend outward through the rear wheel middle plate, a third gasket is slidably fitted on the extended end, a third limit shaft cap is provided at one end of the third gasket, and the third limit shaft cap is slidably fitted on the third axle.

[0016] With the above solution, the third axis is used to achieve left-right balance adjustment of the rear wheel suspension. Under the action of the third axis, the rear wheel can achieve left-right axial movement to achieve a balancing effect.

[0017] As a preferred embodiment of the suspension structure of a flatbed trailer, the third axle body is inserted with a third latch for limiting the third limiting axle cap, and both ends of the third latch are bent to serve as a closing portion.

[0018] After adopting the above technical scheme, the beneficial effects of the utility model are: the front wheel suspension structure in this structure can achieve left-right balance adjustment, and the rear wheel suspension structure can achieve front-rear, left-right balance adjustment, thereby improving the fit between the tire and the road during driving, thereby improving stability and solving the problem of uniform force on the tire. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 It is a side view of the suspension structure of the flatbed trailer of the utility model;

[0021] Figure 2 It is a bottom view of the suspension structure of the flatbed trailer of the utility model;

[0022] Figure 3 This is a schematic diagram of the split structure of the front wheel suspension of the utility model;

[0023] Figure 4 This is a schematic diagram of the positional relationship between the first connecting plate, the second connecting plate and the main frame of the flatbed trailer of the utility model;

[0024] Figure 5 It is an enlarged view of structure A of the utility model;

[0025] Figure 6 This is a schematic diagram of the split rear wheel suspension structure of the utility model;

[0026] In the figure, 1-the main frame of the flatbed trailer; 2-the front wheel suspension structure; 21-the first connecting plate; 22-the front wheel axle; 23-the front wheel; 24-the middle plate of the front wheel; 25-the first shaft; 26-the first gasket; 27-the first limit shaft cap; 28-the first latch; 3-the rear wheel suspension structure; 31-the second connecting plate; 32-the connecting piece; 33-the second shaft; 34-the second gasket; 35-the second limit shaft cap; 36-the second latch; 37-the rear wheel axle; 38-the rear wheel; 39-the middle plate of the rear wheel; 40-the third shaft; 41-the third gasket; 42-the third limit shaft cap; 43-the third latch. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figure 1-2 As shown, a suspension structure of a flatbed trailer comprises: a flatbed trailer main frame 1, and a front wheel suspension structure 2 and a rear wheel suspension structure 3 are matched at the bottom of the flatbed trailer main frame 1.

[0029] like Figure 3 As shown, the front wheel suspension structure 2 includes two first connecting plates 21 fixed to the bottom of the flatbed trailer main frame 1, a front wheel axle 22 is arranged between the two first connecting plates 21, front wheels 23 are arranged at both ends of the front wheel axle 22, a front wheel middle plate 24 is arranged in the middle of the front wheel axle 22, a first shaft body 25 is matched with the front wheel middle plate 24, both ends of the first shaft body 25 extend outward through the first connecting plates 21, and a first gasket 26 is slidably matched on the extended end, a first limiting shaft cap 27 is arranged at one end of the first gasket 26, and the first limiting shaft cap 27 is slidably matched on the first shaft body 25.

[0030] The first shaft body 25 is insertedly matched with a first latch 28 for limiting the first limiting shaft cap 27 , and both ends of the first latch 28 are bent to form a closing portion.

[0031] like Figure 4-6 As shown, the rear wheel suspension structure 3 includes two second connecting plates 31 fixed to the bottom of the flatbed trailer main frame 1, a connecting piece 32 is arranged between the two second connecting plates 31, a second shaft 33 is matched with the connecting piece 32, both ends of the second shaft 33 pass through the second connecting plates 31 and extend outwards, a second gasket 34 is slidably matched with the extended end, a second limiting shaft cap 35 is arranged at one end of the second gasket 34, and the second limiting shaft cap 35 is slidably matched with the second shaft 33;

[0032] Among them, rear wheel axles 37 are arranged at both ends of the connecting member 32, rear wheels 38 are arranged at both ends of the rear wheel axle 37, and a rear wheel middle plate 39 is arranged in the middle of the rear wheel axle 37, and the rear wheel middle plate 39 is matched with the axis of the connecting member 32.

[0033] The second shaft body 33 is inserted with a second latch 36 for limiting the second limiting shaft cap 35 , and both ends of the second latch 36 are bent to form a closing portion.

[0034] Among them, the connecting member 32 is provided with a third shaft body 40 corresponding to the rear wheel middle plate 39, and both ends of the third shaft body 40 extend outward through the rear wheel middle plate 39, and a third gasket 41 is slidably fitted on the extended end, and a third limiting shaft cap 42 is provided at one end of the third gasket 41, and the third limiting shaft cap 42 is slidably fitted on the third shaft body 40.

[0035] The third shaft body 40 is inserted with a third latch 43 for limiting the third limiting shaft cap 42 , and both ends of the third latch 43 are bent to form a closing portion.

[0036] In summary, the main frame of the flatbed trailer is towed by the tractor, and the wheels 23 can be adaptively balanced and adjusted during the movement to achieve the fit between the tire and the road surface, thereby improving stability and solving the problem of uniform force on the tire.

[0037] In the description of the present utility model, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are 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 cannot be understood as a limitation on the present utility model. In the description of the present utility model, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A suspension structure for a flatbed trailer, characterized in that: include: A flatbed trailer main frame (1), wherein the bottom of the flatbed trailer main frame (1) is equipped with a front wheel suspension structure (2) and a rear wheel suspension structure (3); The front wheel suspension structure (2) comprises two first connecting plates (21) fixed to the bottom of the flatbed trailer main frame (1), a front wheel axle (22) is arranged between the two first connecting plates (21), front wheels (23) are arranged at both ends of the front wheel axle (22), a front wheel middle plate (24) is arranged in the middle of the front wheel axle (22), a first shaft body (25) is matched with the front wheel middle plate (24), both ends of the first shaft body (25) pass through the first connecting plates (21) and extend outwards, a first gasket (26) is slidably matched with the extended end, a first limiting shaft cap (27) is arranged at one end of the first gasket (26), and the first limiting shaft cap (27) is slidably matched with the first shaft body (25); The rear wheel suspension structure (3) comprises two second connecting plates (31) fixed to the bottom of the flatbed trailer main frame (1), a connecting piece (32) is arranged between the two second connecting plates (31), a second shaft (33) is matched with the connecting piece (32), two ends of the second shaft (33) pass through the second connecting plates (31) and extend outwards, a second gasket (34) is slidably matched with the extended end, a second limiting shaft cap (35) is arranged at one end of the second gasket (34), and the second limiting shaft cap (35) is slidably matched with the second shaft (33); Rear wheel axles (37) are arranged at both ends of the connecting member (32), rear wheels (38) are arranged at both ends of the rear wheel axle (37), a rear wheel middle plate (39) is arranged in the middle of the rear wheel axle (37), and the rear wheel middle plate (39) is matched with the connecting member (32) axis.

2. A suspension structure for a flatbed trailer according to claim 1, characterized in that: The first shaft body (25) is insertedly matched with a first latch pin (28) for limiting the first limiting shaft cap (27), and both ends of the first latch pin (28) are bent to form a closing portion.

3. The suspension structure of a flatbed trailer according to claim 1, characterized in that: The second shaft body (33) is inserted with a second latch pin (36) for limiting the second limiting shaft cap (35), and both ends of the second latch pin (36) are bent to form a closing portion.

4. The suspension structure of a flatbed trailer according to claim 1, characterized in that: The connecting member (32) is provided with a third shaft body (40) corresponding to the rear wheel middle plate (39), and both ends of the third shaft body (40) pass through the rear wheel middle plate (39) and extend outward, and a third gasket (41) is slidably fitted on the extended end, and a third limiting shaft cap (42) is provided at one end of the third gasket (41), and the third limiting shaft cap (42) is slidably fitted on the third shaft body (40).

5. A suspension structure for a flatbed trailer according to claim 4, characterized in that: The said The three-axis body (40) is inserted with a third latch pin (43) for limiting the third limiting axis cap (42). Both ends of the third latch (43) are bent to form a closing portion.