Wear-resistant damping device

Abstract

The utility model belongs to the field of aircraft cabin door mechanisms, and particularly relates to a wear-resistant damping device. Comprising a mounting support which comprises a mounting plate and a double-lug connecting part arranged on the mounting plate; the anti-abrasion cover plate is provided with a first plate face and a second plate face, the first plate face of the anti-abrasion cover plate is provided with an anti-abrasion coating, the position, close to the first end, of the second plate face of the anti-abrasion cover plate is provided with a single-lug connecting part, and the end face of the first end of the anti-abrasion cover plate is provided with a stop table. The single-lug connecting part of the anti-abrasion cover plate is connected with the double-lug connecting part of the mounting support through a hinge, and the stop table is matched with the mounting plate to achieve one-way stop of the anti-abrasion cover plate. And the damping block is mounted on the second plate surface of the anti-abrasion cover plate. The vertical impact load and the lateral friction shear load can be borne at the same time, and the whole device is simple in structure, light in weight and high in safety and reliability.

Description

Technical Field

[0001] The present application belongs to the field of aircraft door mechanisms, and in particular relates to a wear-resistant and shock-absorbing device. Background Art

[0002] Structural mechanism buffer shock-absorbing devices are widely used in mechanical design. Their main function is to alleviate impact and prevent impact loads from causing large impact loads on mechanical parts, thereby damaging or even destroying the parts.

[0003] Existing buffer shock-absorbing devices are more concerned with bearing vertical impact loads, and less concerned with lateral shear friction loads. Therefore, general shock-absorbing devices can only absorb impact loads from a single direction, and cannot withstand friction loads perpendicular to the direction of the impact load or have extremely poor bearing capacity, resulting in fracture and damage of the buffer device under the action of tangential friction loads, which cannot meet normal use requirements and have relatively low durability and reliability.

[0004] Therefore, it is desired to have a technical solution to overcome or at least alleviate at least one of the above-mentioned defects of the prior art. Utility Model Content

[0005] The purpose of the present application is to provide a wear-resistant shock-absorbing device to solve at least one problem existing in the prior art.

[0006] The technical solution of this application is:

[0007] A wear-resistant and shock-absorbing device, comprising:

[0008] A mounting support, the mounting support comprising a mounting plate and a double-ear connecting portion arranged on the mounting plate;

[0009] An anti-wear cover plate, the anti-wear cover plate having a first plate surface and a second plate surface, the first plate surface of the anti-wear cover plate being provided with a wear-resistant coating, the second plate surface of the anti-wear cover plate being provided with a single-ear connection portion near the first end, the first end surface of the anti-wear cover plate being provided with a stop platform, the single-ear connection portion of the anti-wear cover plate being connected to the double-ear connection portion of the mounting support via a hinge, the stop platform cooperating with the mounting plate to realize one-way stop of the anti-wear cover plate;

[0010] A shock absorbing block is installed on the second plate surface of the anti-wear cover plate.

[0011] In at least one embodiment of the present application, a mounting hole is provided on the mounting support for assembling the wear-resistant and shock-absorbing device.

[0012] In at least one embodiment of the present application, the first plate surface of the wear-resistant cover plate is provided with a ceramic wear-resistant coating.

[0013] In at least one embodiment of the present application,

[0014] The mounting plate of the mounting support is provided with two double-ear connecting parts, and the second plate surface of the anti-wear cover plate is provided with two single-ear connecting parts.

[0015] After assembly, the stop platform of the anti-wear cover plate is located between the two double-ear connecting parts.

[0016] In at least one embodiment of the present application, the second end of the anti-wear cover plate is bent toward the second plate surface to form a groove-shaped structure, and the shock-absorbing block is installed in the groove-shaped structure by gluing.

[0017] In at least one embodiment of the present application, the shock absorbing block is made of rubber, and a side of the shock absorbing block away from the second plate surface is wavy.

[0018] In at least one embodiment of the present application, a weight-reducing hole is provided in the middle of the shock-absorbing block.

[0019] The utility model has at least the following beneficial technical effects:

[0020] The wear-resistant shock-absorbing device of the present application utilizes a combined design of a wear-resistant cover plate and a shock-absorbing block, and is additionally provided with a hinged mounting support, so as to simultaneously withstand vertical impact loads and lateral friction shear loads. The entire device has a simple structure, is light in weight, and has high safety and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of a wear-resistant and shock-absorbing device according to an embodiment of the present application.

[0022] in:

[0023] 1- shock-absorbing block; 2- anti-wear cover plate; 3- hinge; 4- mounting support. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the implementation of this application clearer, the technical scheme in the embodiment of this application will be described in more detail below in conjunction with the drawings in the embodiment of this application. In the drawings, the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The described embodiments are part of the embodiments of this application, not all of them. The embodiments described below with reference to the drawings are exemplary and are intended to be used to explain this application, and should not be construed as limitations on this application. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application. The embodiments of this application are described in detail below in conjunction with the drawings.

[0025] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply 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 understood as limiting the scope of protection of the present application.

[0026] The following is combined with Figure 1 This application is described in further detail.

[0027] The present application provides a wear-resistant and shock-absorbing device, comprising: a mounting support 4, an anti-wear cover plate 2 and a shock-absorbing block 1.

[0028] Specifically, Figure 1 As shown, the mounting support 4 includes a mounting plate and a double-ear connection portion arranged on the mounting plate, and a mounting hole is opened on the mounting plate for assembling the overall wear-resistant and shock-absorbing device. In this embodiment, two double-ear connection portions are arranged on the mounting plate. The wear-resistant cover plate 2 is made of metal and has two plate surfaces, namely a first plate surface and a second plate surface facing away from the first plate surface, wherein a wear-resistant coating, preferably a ceramic wear-resistant coating, is arranged on the first plate surface; a single-ear connection portion is arranged near the first end of the second plate surface, and a stop platform is arranged on the first end face of the wear-resistant cover plate 2, and the single-ear connection portion of the wear-resistant cover plate 2 is connected to the double-ear connection portion of the mounting support 4 through a hinge 3, and the stop platform cooperates with the mounting plate to realize the one-way stop of the wear-resistant cover plate 2; in this embodiment, two single-ear connection portions are arranged on the second plate surface of the wear-resistant cover plate 2, and after the wear-resistant cover plate 2 is assembled with the mounting support 4, the stop platform of the wear-resistant cover plate 2 is located between the two double-ear connection portions of the mounting support 4. The shock-absorbing block 1 is installed on the second plate surface of the wear-resistant cover plate 2. In a preferred embodiment of the present application, the second end of the anti-wear cover plate 2 is bent toward the second plate surface to form a groove structure, and the shock absorbing block 1 is installed in the groove structure by gluing. In this embodiment, the shock absorbing block 1 is made of rubber, and the side of the shock absorbing block 1 away from the second plate surface is wavy, and a weight reduction hole is opened in the middle of the shock absorbing block 1.

[0029] The wear-resistant shock-absorbing device of the present application has the following working principle:

[0030] When the hatch component moves with a certain initial velocity until it comes into contact with the anti-wear cover plate 2, the hatch will collide with the anti-wear cover plate 2 and slide upward and downward along the anti-wear cover plate 2. The impact can be directly transmitted to the shock-absorbing block 1 through the anti-wear cover plate to be absorbed, and the tangential friction load can be borne by the anti-wear cover plate 2 with a stopping function.

[0031] The wear-resistant and shock-absorbing device of the present application is connected between the mounting support 4 and the wear-resistant cover plate 2 by a hinge 3, which releases the rotational freedom of the wear-resistant cover plate 2 and avoids excessive impact load on the mounting support 4; the stopper on the wear-resistant cover plate 2 can bear the friction load to prevent deformation or excessive movement of the wear-resistant cover plate 2. When the impact load with lateral friction characteristics encounters the shock-absorbing block 1, the metal wear-resistant cover plate 2 located above the shock-absorbing block 1 can bear the friction load to prevent damage to the rubber shock-absorbing block 1; the hinge can release the impact load and transfer it directly to the rubber shock-absorbing block 1, which avoids deformation and rigid impact of the metal wear-resistant cover plate 2 under the impact load; the metal wear-resistant cover plate 2 here has a limited position feature, which is that it can rotate in one direction and has a pre-tightening effect on the rubber shock-absorbing block 1, which prevents excessive movement of the metal wear-resistant cover plate 2 under the friction load, and ensures the shaking and vibration noise of the wear-resistant and shock-absorbing device in the aircraft use environment.

[0032] The wear-resistant and shock-absorbing device of the present application can effectively absorb the impact load generated during the movement of the door structure, and can withstand the tangential friction load incidental to the movement of the door components, preventing major damage or even destruction to the structure, and has a significant effect for use conditions with both impact and friction. The entire device of the present application is compact and simple, and the components are easy to manufacture, lightweight and low in cost, ensuring the reliability and safety of the buffering effect. The present application is mainly used in the design of door components, and can also be used in other fields.

[0033] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A wear-resistant and shock-absorbing device, characterized in that: include: A mounting support (4), the mounting support (4) comprising a mounting plate and a double-ear connecting portion arranged on the mounting plate; A wear-resistant cover plate (2), wherein the wear-resistant cover plate (2) has a first plate surface and a second plate surface, the first plate surface of the wear-resistant cover plate (2) is provided with a wear-resistant coating, the second plate surface of the wear-resistant cover plate (2) is provided with a single-ear connection portion near the first end, the first end surface of the wear-resistant cover plate (2) is provided with a stop platform, the single-ear connection portion of the wear-resistant cover plate (2) is connected to the double-ear connection portion of the mounting support (4) via a hinge (3), and the stop platform cooperates with the mounting plate to realize one-way stopping of the wear-resistant cover plate (2); A shock absorbing block (1), wherein the shock absorbing block (1) is mounted on the second plate surface of the anti-wear cover plate (2).

2. The wear-resistant and shock-absorbing device according to claim 1, characterized in that: The mounting support (4) is provided with a mounting hole for assembling the wear-resistant and shock-absorbing device.

3. The wear-resistant and shock-absorbing device according to claim 1, characterized in that: The first plate surface of the anti-wear cover plate (2) is provided with a ceramic wear-resistant coating.

4. The wear-resistant and shock-absorbing device according to claim 1, characterized in that: The mounting plate of the mounting support (4) is provided with two double-ear connecting parts, and the second plate surface of the anti-wear cover plate (2) is provided with two single-ear connecting parts. After assembly, the stop platform of the anti-wear cover plate (2) is located between the two double-ear connecting parts.

5. The wear-resistant and shock-absorbing device according to claim 1, characterized in that: The second end of the anti-wear cover plate (2) is bent towards the second plate surface to form a groove-shaped structure, and the shock-absorbing block (1) is installed in the groove-shaped structure by gluing.

6. The wear-resistant and shock-absorbing device according to claim 5, characterized in that: The shock absorbing block (1) is made of rubber, and the side of the shock absorbing block (1) away from the second plate surface is wavy.

7. The wear-resistant and shock-absorbing device according to claim 6, characterized in that: A weight-reducing hole is provided in the middle of the shock-absorbing block (1).

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