Heavy-duty car balanced suspension steel plate spring upper cover plate, steel plate spring and vehicle

Abstract

The utility model discloses a heavy-duty car balanced suspension steel plate spring upper cover plate, a steel plate spring and a vehicle, and belongs to the technical field of car accessories, the heavy-duty car balanced suspension steel plate spring upper cover plate comprises a cover plate body, a cross-shaped reinforcing rib is arranged in the middle of the upper end of the cover plate body, and the height of the top of the cross-shaped reinforcing rib is the same as that of the top of the side portion of the upper end of the cover plate body; three transverse ribs and two vertical ribs are arranged at the lower end of the cover plate body, the transverse ribs are parallel to the width direction of the cover plate body, the vertical ribs are parallel to the length direction of the cover plate body, the three transverse ribs are evenly distributed in the length direction of the cover plate body, and the two ends of each transverse rib are perpendicularly connected with the two vertical ribs respectively. The reinforcing ribs are reasonably distributed, the material utilization rate is improved, stress concentration is effectively avoided, the maximum bearing capacity is achieved on the premise that the arrangement space is not changed and the mass change is not large through the design structure, and the use requirement after the loading capacity of the whole vehicle is increased is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to heavy automobile accessory technology field especially relates to a heavy automobile balance suspension steel plate spring upper cover plate, steel plate spring and vehicle. BACKGROUND

[0002] In the field of existing heavy automobile leaf spring, the working condition of heavy automobile suspension leaf spring has the characteristics of large load bearing and poor road conditions, which leads to the increase of the vehicle load, improves the strength requirement of the steel plate spring upper cover plate, the traditional steel plate spring upper cover plate is arranged with five horizontal ribs and three vertical ribs at the bottom of the structure, and the top is semicircular, under the condition of increasing working load, the stress of this structure far exceeds the allowable stress of the material, and the local strengthening of the structure is difficult to achieve the design target. However, due to the limited design space, the local strengthening of the traditional structure is difficult to meet the design requirements, and a new design structure needs to be proposed.

[0003] CN205890443U discloses a multifunctional light weight steel plate spring cover plate, which is composed of a cover plate body and an auxiliary connecting mechanism. The auxiliary connecting mechanism with an integral structure is located on one side of the cover plate body. The connecting end of the auxiliary connecting mechanism is provided with a connecting hole connected with a shock absorber. The horizontal position of the connecting hole is lower than the upper surface of the cover plate body. The upper surface of the cover plate body is provided with mounting grooves on both sides for cooperating with U-shaped bolts. The middle part of the cover plate body is also provided with a mounting through hole for mounting a buffer block. The auxiliary connecting mechanism is a thin-walled shell structure. Although the weight is reduced to a certain extent, it is easy to break. UTILITARIAN CONTENT

[0004] The utility model aims at providing a heavy automobile balance suspension steel plate spring upper cover plate, steel plate spring and vehicle, through reasonable distribution of reinforcing ribs, improve material utilization, effectively avoid stress concentration, the design structure reaches the maximum carrying capacity under the premise that the arrangement space does not change and the quality changes little, satisfies the use requirement after the increase of the vehicle load. On the basis of considering the reliability and light weight of the balance suspension steel plate spring upper cover plate, the problem of steel plate spring upper cover plate fracture can be solved at a small cost.

[0005] The utility model provides the following scheme:

[0006] The utility model discloses a heavy truck balance suspension steel plate spring upper cover plate, which comprises a cover plate body, a cross-shaped reinforcing rib is arranged at the middle of the upper end of the cover plate body, the top of the cross-shaped reinforcing rib is at the same height as the top of the upper end side of the cover plate body, three horizontal ribs and two vertical ribs are arranged at the lower end of the cover plate body, the horizontal ribs are parallel to the width direction of the cover plate body, the vertical ribs are parallel to the length direction of the cover plate body, the three horizontal ribs are evenly distributed along the length direction of the cover plate body, and the two ends of the horizontal ribs are respectively connected with the two vertical ribs perpendicularly.

[0007] Preferably, the cross-shaped reinforcing rib edge, the vertical rib and the horizontal rib are smoothly transitioned at the intersection.

[0008] Preferably, a plate spring positioning hole is arranged on the horizontal rib at the middle of the lower end of the cover plate body, and a U-shaped bolt mounting groove is arranged at the side of the upper end of the cover plate body.

[0009] Preferably, the upper end of the cover plate body is semicircular in cross section.

[0010] Preferably, the cover plate body is left-right symmetrical.

[0011] Preferably, a weight-reducing hole is arranged at each of the left and right ends of the cover plate body.

[0012] The utility model discloses a heavy truck balance suspension steel plate spring, which comprises:

[0013] A steel plate spring.

[0014] The heavy truck balance suspension steel plate spring upper cover plate described above is aligned with the steel plate spring through the plate spring positioning hole and is mounted on the steel plate spring through the U-shaped bolt mounting groove and the U-shaped bolt.

[0015] The utility model discloses a vehicle, which comprises the heavy truck balance suspension steel plate spring described above.

[0016] Compared with the prior art, the utility model has the following advantages:

[0017] The utility model has a cross-shaped reinforcing rib at the middle of the upper end of the cover body, and the top of the cross-shaped reinforcing rib is at the same height as the top of the side of the upper end of the cover body; the lower end of the cover body is provided with three horizontal ribs and two vertical ribs, the horizontal ribs are parallel to the width direction of the cover body, and the vertical ribs are parallel to the length direction of the cover body. The three horizontal ribs are evenly distributed along the length direction of the cover body, and the two ends of the horizontal ribs are respectively connected perpendicularly to the two vertical ribs. By rationally distributing the reinforcing ribs, the material utilization rate is improved, and stress concentration is effectively avoided. Under the premise of unchanged layout space and little change in mass, the load-bearing capacity is maximized, meeting the use requirements after the load of the whole vehicle increases. On the basis of taking into account the reliability and lightweight of the upper cover of the balanced suspension leaf spring, the problem of leaf spring upper cover fracture can be solved at a relatively low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Fig. 1 This is a schematic diagram of the upper end of the upper cover plate of the leaf spring of the heavy-duty vehicle balancing suspension of the present invention;

[0020] Fig. 2 The utility model is a schematic diagram of the lower end of the upper cover plate of the leaf spring of the heavy-duty vehicle balance suspension.

[0021] In the picture:

[0022] 1. Cross-shaped reinforcement ribs; 2. Horizontal ribs; 21. Leaf spring positioning holes; 3. Vertical ribs; 4. U-shaped bolt mounting slots; 5. Weight-reducing holes. DETAILED DESCRIPTION

[0023] To make the objectives, technical solutions, and advantages of this application more clear, this application will be further described in detail below with reference to the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of this application.

[0024] The terms used in the examples of this application are for the purpose of describing specific embodiments only and are not intended to limit this application. The singular forms "a," "the," and "the" used in the examples of this application and the appended claims are also intended to include plural forms, and unless the context clearly indicates otherwise, "a plurality" generally includes at least two.

[0025] It should be understood that the term "and / or" as used herein merely describes associated objects in an associated manner, and can represent three conditions, for example, A and / or B can represent three conditions: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " herein generally represents an "or" relationship between the front and rear associated objects.

[0026] It should be understood that although the terms first, second, third, etc. can be used in the embodiments of the present application to describe, these descriptions should not be limited to these terms. These terms are only used to distinguish the description. For example, without departing from the scope of the embodiments of the present application, the first can also be called the second, and similarly, the second can also be called the first.

[0027] Depending on the context, the word "if" as used herein can be interpreted as "when" or "upon" or "in response to determining" or "in response to detecting". Similarly, depending on the context, the phrase "if it is determined" or "if (a stated condition or event) is detected" can be interpreted as "when it is determined" or "in response to determining" or "when (a stated condition or event) is detected" or "in response to detecting (a stated condition or event)".

[0028] It should also be noted that the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusion, so that a product or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such product or device. Without more limitations, the element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the product or device comprising the element.

[0029] It should be particularly noted that the symbols and / or numbers present in the specification, if not marked in the description, are not the figure marks.

[0030] Embodiment 1

[0031] Referring to Figs. 1-2 As shown in the figure, the heavy truck balanced suspension steel plate spring upper cover plate provided by the embodiments of the present application comprises:

[0032] The cover plate body is provided with a cross-shaped reinforcing rib 1 in the middle of the upper end of the cover plate body, the top of the cross-shaped reinforcing rib 1 is the same height as the top of the side of the upper end of the cover plate body; the lower end of the cover plate body is provided with three horizontal ribs 2 and two vertical ribs 3, the horizontal ribs 2 are parallel to the width direction of the cover plate body, the vertical ribs 3 are parallel to the length direction of the cover plate body, the three horizontal ribs 2 are evenly distributed along the length direction of the cover plate body, and the two ends of the horizontal rib 2 are respectively connected with the two vertical ribs 3 perpendicularly.

[0033] The cross-shaped reinforcing rib 1 is arranged in the middle of the upper end of the cover plate body, and the lower end of the cover plate body is composed of three horizontal ribs 2 and two vertical ribs 3 to form a day-shaped structure, and the lower ends of the three horizontal ribs 2 are evenly distributed on the lower end of the cover plate body. Through the reasonable distribution of the reinforcing ribs, the material utilization rate is improved, and stress concentration is effectively avoided. Under the premise that the arrangement space and the mass are not changed, the maximum carrying capacity is achieved, and the use requirement after the increase of the whole vehicle load is met. On the premise of balancing the reliability and light weight of the upper cover plate of the suspension steel plate spring, the problem of fracture of the upper cover plate of the steel plate spring can be solved at a small cost.

[0034] Referring to Figs. 1-2 As shown in the figure, the edges of the cross-shaped reinforcing rib 1 and the intersection of the vertical rib 3 and the horizontal rib 2 are smoothly transitioned.

[0035] The edges of the cross-shaped reinforcing rib 1 are arc-shaped, and the intersection of the vertical rib 3 and the horizontal rib 2 is smoothly processed to remove burrs, facilitating assembly by workers.

[0036] Referring to Figs. 1-2 As shown in the figure, the horizontal rib 2 in the middle of the lower end of the cover plate body is provided with a leaf spring positioning hole 21, and the side of the upper end of the cover plate body is provided with a U-shaped bolt mounting groove 4.

[0037] The leaf spring positioning hole 21 is arranged to make the cover plate body more easily aligned when installed on the steel plate spring, thereby reducing the assembly difficulty. The U-shaped bolt mounting groove 4 cooperates with the U-shaped bolt to mount the cover plate on the steel plate spring. In the embodiment, the U-shaped bolt mounting groove 4 is provided with two, which are respectively arranged on the left and right sides of the upper end of the cover plate body.

[0038] Referring to Figs. 1-2 As shown in the figure, the upper end of the cover plate body is semicircular in cross section.

[0039] The projection of the top of the cross-shaped reinforcing rib 1 and the top of the side of the upper end of the cover plate body in the vertical plane coincides, that is, is on the same curved surface.

[0040] Referring to Figs. 1-2 As shown in the figure, the cover plate body is left-right symmetrical.

[0041] The left-right symmetrical cover plate body is more uniform in stress and is not easy to break.

[0042] Referring to Figs. 1-2 As shown in the figure, the left and right ends of the cover plate body are provided with weight reduction holes 5.

[0043] The weight reduction holes 5 are arranged at the left and right ends of the cover plate body, further reducing the weight of the cover plate, improving the material utilization rate, and avoiding stress concentration.

[0044] Embodiment 2

[0045] The heavy truck balance suspension steel plate spring provided by the embodiment of the application comprises:

[0046] Steel plate spring

[0047] The heavy truck balanced suspension steel plate spring upper cover plate is aligned with the steel plate spring through the leaf spring positioning hole 21, and is installed on the steel plate spring through the U-shaped bolt installation slot 4 and the U-shaped bolt.

[0048] Further, the heavy truck balanced suspension steel plate spring further comprises: a spring support, the steel plate spring is installed on the spring support through the venting hollow bolt, the spring support is connected with the web face and the wing face of the frame, which increases the connection reliability of the spring support, the venting hollow bolt realizes exhaust, avoids the expansion of the steel plate spring under heavy load, and improves the reliability of the spring; the large-stiffness limiting block is connected to the front axle through the cover plate and the U-shaped bolt, the large-stiffness limiting block is arranged directly above the front axle, protects the steel plate spring under impact working conditions, and avoids early damage of the steel plate spring under impact load. The heavy truck balanced suspension steel plate spring has the advantages of high comfort and high reliability.

[0049] Example 3

[0050] The vehicle provided by the embodiment of the application comprises the heavy truck balanced suspension steel plate spring.

[0051] The working principle of the utility model is:

[0052] The cross-shaped reinforcing rib is arranged at the middle part of the upper end of the cover plate body, the top of the cross-shaped reinforcing rib is at the same height as the top of the side part of the upper end of the cover plate body; three horizontal ribs and two vertical ribs are arranged at the lower end of the cover plate body, the horizontal ribs are parallel to the width direction of the cover plate body, the vertical ribs are parallel to the length direction of the cover plate body, the three horizontal ribs are evenly distributed along the length direction of the cover plate body, and the two ends of each horizontal rib are perpendicularly connected with the two vertical ribs. The rational distribution of the reinforcing ribs improves the material utilization rate, effectively avoids stress concentration, maximizes the bearing capacity under the premise that the arrangement space and the mass change are small, and meets the use requirements after the vehicle load is increased. On the premise of considering the reliability and light weight of the balanced suspension steel plate spring upper cover plate, the problem of fracture of the steel plate spring upper cover plate can be solved at a small cost.

[0053] Finally, it should be noted that: the embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts of each embodiment can be referred to each other. For the system or device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the related part can be referred to the method part.

[0054] The above examples are only used to illustrate the technical solutions of the present application, but not to limit the same; although the present application has been described in detail with reference to the foregoing examples, it should be understood by those of ordinary skill in the art that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part 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 application.

Claims

1. A heavy-duty vehicle balanced suspension leaf spring upper cover plate, characterized in that: include: A cover plate body, wherein a cross-shaped reinforcing rib (1) is provided at the middle of the upper end of the cover plate body, and the top of the cross-shaped reinforcing rib (1) is at the same height as the top of the side of the upper end of the cover plate body; three transverse ribs (2) and two vertical ribs (3) are provided at the lower end of the cover plate body, the transverse ribs (2) are parallel to the width direction of the cover plate body, and the vertical ribs (3) are parallel to the length direction of the cover plate body, the three transverse ribs (2) are evenly distributed along the length direction of the cover plate body, and both ends of the transverse rib (2) are respectively vertically connected to the two vertical ribs (3).

2. The heavy-duty vehicle balanced suspension leaf spring upper cover plate according to claim 1, characterized in that: The edges of the cross-shaped reinforcement ribs (1), the intersections of the vertical ribs (3) and the transverse ribs (2) are smoothly transitioned.

3. The heavy-duty vehicle balanced suspension leaf spring upper cover plate according to claim 1, characterized in that: A leaf spring positioning hole (21) is provided on the transverse rib (2) in the middle of the lower end of the cover body, and a U-shaped bolt installation groove (4) is provided on the side of the upper end of the cover body.

4. The heavy-duty vehicle balanced suspension leaf spring upper cover plate according to claim 1, characterized in that: The cross section of the upper end of the cover body is semicircular.

5. The heavy-duty vehicle balanced suspension leaf spring upper cover plate according to claim 1, characterized in that , the cover body is bilaterally symmetrical.

6. The heavy-duty vehicle balanced suspension leaf spring upper cover according to claim 1, characterized in that The cover body is provided with weight-reducing holes (5) at both left and right ends.

7. A heavy-duty vehicle balanced suspension leaf spring, characterized in that: include: leaf springs; The heavy-duty vehicle balanced suspension leaf spring upper cover plate according to any one of claims 1 to 6, wherein the upper cover plate is aligned with the leaf spring through the leaf spring positioning hole (21) and is installed on the leaf spring through the U-bolt mounting groove (4) and the U-bolt.

8. A vehicle, characterized in that: Including the heavy-duty vehicle balanced suspension leaf spring as described in claim 7.

Images