Wear-resistant hydraulic device

Abstract

The utility model discloses a wear-resistant hydraulic device which comprises a bottom plate, a fixing frame is fixedly connected to the top of the bottom plate, a cylinder body is connected to a center shaft of the top of the fixing frame in a sleeved mode, a piston rod is connected to the bottom of the cylinder body in an inserted mode, and second functional layers are arranged on the surfaces of the piston rod and the cylinder body. The second functional layer comprises a niobium-tantalum alloy plating layer and a tungsten disulfide coating layer, a first sealing ring and a second sealing ring are sequentially and fixedly connected to the inner wall of the cylinder body from bottom to top, and first functional layers are arranged on the surfaces of the first sealing ring and the second sealing ring. Through the arrangement of the bottom plate, the fixing frame, the cylinder body, the piston rod, the first sealing ring, the second sealing ring, the first functional layer, the acrylic waterproof coating, the molybdenum disulfide coating, the second functional layer, the niobium-tantalum alloy coating, the tungsten disulfide coating, the shell and the connecting pipe, the wear-resisting hydraulic cylinder has excellent wear-resisting performance, and the situation that wear is prone to occurring in the working process is avoided; and therefore, the liquid leakage condition can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic cylinders, in particular to a wear-resistant hydraulic device. Background Art

[0002] The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has a simple structure and reliable operation. When using it to achieve reciprocating motion, the deceleration device can be eliminated, and there is no transmission gap and the movement is smooth. Therefore, it is widely used in the hydraulic systems of various machines.

[0003] However, the existing hydraulic device has poor wear resistance during use, which causes the hydraulic device to be easily worn after working for a long time, thereby easily leaking, which will reduce the service life of the hydraulic device and cannot meet the use requirements. For this reason, we propose a wear-resistant hydraulic device. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a wear-resistant hydraulic device with the advantage of wear resistance, which solves the problem that the existing hydraulic devices have poor wear resistance during use, resulting in the hydraulic devices being easily worn after working for a long time, thereby easily leaking, reducing the service life of the hydraulic devices and failing to meet the use requirements.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wear-resistant hydraulic device, comprising a base plate, a fixing frame is fixedly connected to the top of the base plate, a cylinder body is sleeved on the central axis of the top of the fixing frame, a piston rod is inserted into the bottom of the cylinder body, the surfaces of the piston rod and the cylinder body are both provided with a second functional layer, the second functional layer includes a niobium-tantalum alloy plating layer and a tungsten disulfide coating layer, the inner wall of the cylinder body is fixedly connected with a first sealing ring and a second sealing ring in sequence from bottom to top, the surfaces of the first sealing ring and the second sealing ring are both provided with a first functional layer, the first functional layer includes a propylene condensate waterproof coating and a molybdenum disulfide coating, a shell is fixedly connected to the left side of the top of the fixing frame, the bottom of the shell is connected to a connecting pipe, and one side of the connecting pipe passes through the inner cavity of the cylinder body.

[0006] Preferably, a pressure plate is fixedly connected to the bottom of the piston rod, and screw rods are threadedly connected to the rear ends of both sides of the fixing frame, and one side of the screw rod is movably connected to a limit plate via a bearing.

[0007] Preferably, the surfaces of the first sealing ring and the second sealing ring are coated with a propionate waterproof coating, and one side of the propionate waterproof coating is coated with a molybdenum disulfide coating.

[0008] Preferably, the surfaces of the piston rod and the cylinder body are both plated with a niobium-tantalum alloy coating, and one side of the niobium-tantalum alloy coating is coated with a tungsten disulfide coating layer.

[0009] Preferably, the top of the shell is connected to a material injection pipe, and a circular hole is opened at the center axis of the top of the fixing frame.

[0010] Preferably, a sliding rod is fixedly connected to one side of the limiting plate, and a surface of the sliding rod is slidably connected to the fixing frame.

[0011] Compared with the prior art, the utility model provides a wear-resistant hydraulic device having the following features:

[0012] Beneficial effects:

[0013] 1. The utility model has excellent wear resistance by arranging a bottom plate, a fixing frame, a cylinder body, a piston rod, a first sealing ring, a second sealing ring, a first functional layer, a propylene condensate waterproof coating, a molybdenum disulfide coating, a second functional layer, a niobium tantalum alloy coating, a tungsten disulfide coating layer, a shell and a connecting pipe, so as to avoid the situation of easy wear and tear during the working process, and thus avoid the situation of leakage.

[0014] 2. The utility model provides a screw rod, a limit plate and a slide rod to facilitate the limitation of the material, so that the material is stable during the processing and the displacement of the material is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 3 It is a partial cross-sectional structural schematic diagram of the cylinder body of the utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the first functional layer of the utility model;

[0019] Figure 5 This is a schematic diagram of the cross-sectional structure of the second functional layer of the utility model.

[0020] In the figure: 1. bottom plate; 2. fixing frame; 3. cylinder body; 4. piston rod; 5. first sealing ring; 6. second sealing ring; 7. first functional layer; 71. propylene condensate waterproof coating; 72. molybdenum disulfide coating; 8. second functional layer; 81. niobium tantalum alloy coating; 82. tungsten disulfide coating layer; 9. pressure plate; 10. shell; 11. connecting pipe; 12. screw rod; 13. limit plate; 14. sliding rod. DETAILED DESCRIPTION

[0021] 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 in 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.

[0022] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0023] Embodiment 1:

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the utility model provides a wear-resistant hydraulic device, including a bottom plate 1, a fixing frame 2 is fixedly connected to the top of the bottom plate 1, a cylinder body 3 is sleeved at the central axis of the top of the fixing frame 2, a piston rod 4 is inserted at the bottom of the cylinder body 3, the surfaces of the piston rod 4 and the cylinder body 3 are both provided with a second functional layer 8, the second functional layer 8 includes a niobium-tantalum alloy plating layer 81 and a tungsten disulfide coating layer 82, the inner wall of the cylinder body 3 is sequentially fixedly connected with a first sealing ring 5 and a second sealing ring 6 from bottom to top, the surfaces of the first sealing ring 5 and the second sealing ring 6 are both provided with a first functional layer 7, and the first functional layer 7 includes a propylene condensate waterproof coating 71 and molybdenum disulfide coating 72, the left side of the top of the fixing frame 2 is fixedly connected with a shell 10, the bottom of the shell 10 is connected with a connecting pipe 11, one side of the connecting pipe 11 passes through the inner cavity of the cylinder body 3, the surfaces of the first sealing ring 5 and the second sealing ring 6 are coated with a propylene condensate waterproof coating 71, one side of the propylene condensate waterproof coating 71 is coated with a molybdenum disulfide coating 72, the surfaces of the piston rod 4 and the cylinder body 3 are plated with a niobium tantalum alloy coating 81, one side of the niobium tantalum alloy coating 81 is coated with a tungsten disulfide coating layer 82, the top of the shell 10 is connected with a filling pipe, and a circular hole is opened at the central axis of the top of the fixing frame 2.

[0025] The specific function of this technical solution is as follows: the lubricating liquid is poured into the inner cavity of the shell 10, and then discharged into the cylinder body 3 through the connecting pipe 11, so that the lubricating liquid contacts the piston rod 4, which can achieve a lubricating effect. By setting the acrylic condensate waterproof coating 71, it has good corrosion resistance, durability, impermeability, compactness and extremely strong waterproof performance. By setting the molybdenum disulfide coating 72, it has the performance of wear resistance, low friction coefficient, oxidation resistance, waterproofness, corrosion resistance and high temperature resistance. By setting the niobium tantalum alloy plating layer 81, it has the performance of high strength and high temperature resistance. By setting the tungsten disulfide coating layer 82, it has the performance of wear resistance, low friction coefficient and high temperature resistance.

[0026] Embodiment 2:

[0027] On the basis of embodiment 1, the present invention is as follows Figure 1 and Figure 2 As shown, it is disclosed that the bottom of the piston rod 4 is fixedly connected to a pressure plate 9, the rear ends of both sides of the fixed frame 2 are threadedly connected to a screw rod 12, one side of the screw rod 12 is movably connected to a limit plate 13 through a bearing, one side of the limit plate 13 is fixedly connected to a slide rod 14, and the surface of the slide rod 14 is slidably connected to the fixed frame 2.

[0028] The specific function of this technical solution is as follows: placing the material at the central axis of the top of the bottom plate 1, and then rotating the screw rod 12, the screw rod 12 drives the limit plate 13 to move, and the material is clamped by the limit plate 13 to stabilize the material.

[0029] Working principle: Pour the lubricating liquid into the inner cavity of the shell 10, and then discharge it into the cylinder body 3 through the connecting pipe 11, so that the lubricating liquid contacts the piston rod 4, which can play a lubricating effect. By setting the acrylic condensate waterproof coating 71, it has good corrosion resistance, durability, impermeability, density and extremely strong waterproof performance. By setting the molybdenum disulfide coating 72, it has the performance of wear resistance, low friction coefficient, anti-oxidation, waterproof, corrosion resistance and high temperature resistance. By setting the niobium tantalum alloy plating layer 81, it has the performance of high strength and high temperature resistance. By setting the tungsten disulfide coating layer 82, it has the performance of wear resistance, low friction coefficient and high temperature resistance. Place the material on the central axis at the top of the bottom plate 1, and then rotate the screw 12. The screw 12 drives the limit plate 13 to move, and the material is clamped by the limit plate 13 to stabilize the material.

[0030] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0031] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A wear-resistant hydraulic device, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected to a fixing frame (2), the center axis of the top of the fixing frame (2) is sleeved with a cylinder body (3), the bottom of the cylinder body (3) is plugged with a piston rod (4), the surfaces of the piston rod (4) and the cylinder body (3) are both provided with a second functional layer (8), the second functional layer (8) comprises a niobium-tantalum alloy plating layer (81) and a tungsten disulfide coating layer (82), the inner wall of the cylinder body (3) is fixedly connected with a first sealing ring (5) and a second sealing ring (6) in sequence from bottom to top, the surfaces of the first sealing ring (5) and the second sealing ring (6) are both provided with a first functional layer (7), the first functional layer (7) comprises a propylene condensate waterproof coating (71) and a molybdenum disulfide coating (72), the left side of the top of the fixing frame (2) is fixedly connected to a shell (10), the bottom of the shell (10) is connected to a connecting pipe (11), one side of the connecting pipe (11) passes through the inner cavity of the cylinder body (3).

2. A wear-resistant hydraulic device according to claim 1, characterized in that: The bottom of the piston rod (4) is fixedly connected to a pressure plate (9), the rear ends of both sides of the fixing frame (2) are threadedly connected to screw rods (12), and one side of the screw rod (12) is movably connected to a limit plate (13) via a bearing.

3. A wear-resistant hydraulic device according to claim 1, characterized in that: The surfaces of the first sealing ring (5) and the second sealing ring (6) are both coated with a propionate waterproof coating (71), and one side of the propionate waterproof coating (71) is coated with a molybdenum disulfide coating (72).

4. A wear-resistant hydraulic device according to claim 1, characterized in that: The surfaces of the piston rod (4) and the cylinder body (3) are both plated with a niobium-tantalum alloy coating (81), and one side of the niobium-tantalum alloy coating (81) is coated with a tungsten disulfide coating layer (82).

5. A wear-resistant hydraulic device according to claim 1, characterized in that: The top of the shell (10) is connected to a material injection pipe, and a circular hole is provided at the center axis of the top of the fixing frame (2).

6. A wear-resistant hydraulic device according to claim 2, characterized in that: A sliding rod (14) is fixedly connected to one side of the limiting plate (13), and a surface of the sliding rod (14) is slidably connected to the fixing frame (2).

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