High-wear-resistance outer sleeve
By embedding a tungsten oxide wire reinforcement layer and a ceramic inner layer in the outer tube, the problem of brittle material fracture under friction and extreme working conditions is solved, achieving high wear resistance and vibration crack resistance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-20
- Publication Date
- 2026-03-24
AI Technical Summary
Existing outer sleeves are prone to breakage or cracking due to vibration and friction under friction and extreme working conditions, affecting their working condition.
A ceramic inner reinforcement layer is used, with embedded tungsten oxide wires forming a ring array. Combined with the design of outer protrusions, inner protrusions and fitting grooves, the high toughness and dynamic damping effect of tungsten oxide wires are used to absorb vibration energy, prevent crack initiation and inhibit crack propagation.
The wear resistance and vibration crack resistance of the outer sleeve are improved, ensuring stable operation in high wear and vibration environments.
Smart Images
Figure CN224033370U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of outer sleeve, specifically is a high wear resistance outer sleeve. BACKGROUND
[0002] The wear-resistant outer sleeve is a key high-temperature protection product in the industrial field, and its core function is to provide multiple protection for pipeline equipment through special materials and structural design.
[0003] The existing outer sleeve has the problem that when it is used in practice, it needs to have wear-resistant characteristics in industrial use, and ceramics or the like is used for wear resistance, but when it is rubbed or in extreme working conditions, the problem of vibration and friction can easily cause brittle materials to crack or crack, thereby affecting the working state of the sleeve. UTILITY MODEL CONTENT
[0004] The utility model provides a high wear resistance outer sleeve has the advantages that high wear resistance characteristics are provided while high strength is provided to solve the problem that the existing outer sleeve has when it is used in practice, it needs to have wear-resistant characteristics in industrial use, and ceramics or the like is used for wear resistance, but when it is rubbed or in extreme working conditions, the problem of vibration and friction can easily cause brittle materials to crack or crack, thereby affecting the working state of the sleeve.
[0005] In order to achieve the purpose of providing high wear resistance characteristics while providing high strength, the utility model provides the following technical scheme: a high wear resistance outer sleeve, comprising an outer layer pipe, a hexagon nut is arranged in the middle of the outer layer pipe, a waterproof coating is arranged on the outer surface of the outer layer pipe, a wear-resistant assembly is installed on the inner wall of the outer layer pipe, wherein:
[0006] The wear-resistant assembly comprises a ceramic inner layer, an outer protrusion is arranged on the outer surface of the ceramic inner layer, an inner protrusion is installed on the inner wall of the ceramic inner layer, a reinforcing layer for enhancing the strength of the ceramic inner layer is arranged in the middle of the ceramic inner layer, a matching groove is formed in the inner wall of the outer layer pipe, an inner lining layer is arranged in the middle of the ceramic inner layer, and a matching groove is formed in the outer surface of the inner lining layer.
[0007] As a preferred technical scheme of the utility model, the reinforcing layer is made of tungsten oxide wire, the tungsten oxide wire is in the form of a plurality of rings arranged in the middle of the ceramic inner layer, the outer layer pipe and the hexagon nut are fixedly connected to each other, and the inner wall of the hexagon nut and the outer surface of the ceramic inner layer are fixedly connected to each other.
[0008] As a preferred technical scheme of the utility model, the outer layer pipe is two, the hexagon nut is set between two outer layer pipes, the outer side surface of each outer layer pipe is sprayed with waterproof coating, the inner wall of two outer layer pipes is equidistantly provided with a plurality of fitting grooves, the outer side surface of the ceramic inner layer is equidistantly provided with a plurality of outer protrusions.
[0009] As a preferred technical scheme of the utility model, the inner wall of the ceramic inner layer is equidistantly provided with a plurality of inner protrusions, the outer protrusion and the ceramic inner layer are fixedly connected with each other, and the inner protrusion and the ceramic inner layer are fixedly connected with each other.
[0010] As a preferred technical scheme of the utility model, the outer side surface of the outer protrusion and the inner wall of the fitting groove provided in the inner wall of the outer layer pipe are matched with each other, and the outer side surface of the inner protrusion and the inner wall of the fitting groove provided in the outer side surface of the inner lining layer are matched with each other.
[0011] As a preferred technical scheme of the utility model, the outer side surface of the ceramic inner layer and the inner wall of the outer layer pipe are fixedly connected with each other, and the inner wall of the ceramic inner layer and the outer side surface of the inner lining layer are fixedly connected with each other.
[0012] Compared with the prior art, the utility model provides a high wear resistance outer sleeve pipe has the following beneficial effects:
[0013] The high wear resistance outer sleeve pipe, by embedding tungsten oxide wire reinforced layer in the ceramic inner layer, utilizes the high toughness and dynamic damping effect of tungsten oxide wire, effectively absorbs vibration energy, reduces the stress amplitude of the ceramic inner layer, and prevents crack initiation. At the same time, the crack bridging and deflection mechanism of tungsten oxide wire can significantly inhibit the expansion of cracks, thereby greatly improving the anti-vibration crack performance of the ceramic inner layer. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the external structure schematic view of the utility model;
[0015] Figure 2 It is the internal structure schematic view of the utility model;
[0016] Figure 3 It is the internal structure explosion drawing of the utility model;
[0017] Figure 4 It is another angle internal structure explosion drawing of the utility model;
[0018] Figure 5 It is the high wear resistance outer sleeve pipe provided by the utility model; Figure 4 It is the structure enlarged schematic view of A part in the utility model.
[0019] In the figure: 1, outer tube; 2, hexagonal nut; 3, waterproof coating; 4, wear-resistant assembly; 40, ceramic inner layer; 41, outer protrusion; 42, inner protrusion; 43, fitting groove; 44, reinforcing layer; 45, tungsten oxide wire; 46, inner lining layer. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Embodiment one
[0021] Please refer to Figures 1-2 The utility model discloses a kind of high wear resistance outer sleeve, including outer tube 1, the middle part of outer tube 1 is provided with hexagonal nut 2, the outer side surface of outer tube 1 is provided with waterproof coating 3, wear-resistant assembly 4 is installed in the inner wall of outer tube 1, wherein:
[0022] Wear-resistant assembly 4 includes ceramic inner layer 40, the outer side surface of ceramic inner layer 40 is provided with outer protrusion 41, inner protrusion 42 is installed in the inner wall of ceramic inner layer 40, the middle part of ceramic inner layer 40 is provided with reinforcing layer 44 for enhancing the strength of ceramic inner layer 40, fitting groove 43 is opened in the inner wall of outer tube 1, inner lining layer 46 is provided in the middle part of ceramic inner layer 40, fitting groove 43 is opened in the outer side surface of inner lining layer 46.
[0023] Reinforcing layer 44 is tungsten oxide wire 45 material, tungsten oxide wire 45 is several, several tungsten oxide wires 45 are annular array setting in the middle part of ceramic inner layer 40, outer tube 1 and hexagonal nut 2 are fixedly connected between each other, the inner wall of hexagonal nut 2 and the outer side surface of ceramic inner layer 40 are fixedly connected with each other.
[0024] Outer tube 1 is two, hexagonal nut 2 is set between two outer tubes 1, the outer side surface of each outer tube 1 is sprayed with waterproof coating 3, the inner wall of two outer tubes 1 is all equidistantly opened with several fitting grooves 43, the outer side surface of ceramic inner layer 40 is equidistantly installed with several outer protrusions 41.
[0025] Ceramic inner layer 40 is embedded in the inner wall of outer tube 1, and precise positioning is realized by the clamping of outer protrusion 41 and fitting groove 43. Welding or adhesive process is used to ensure that ceramic inner layer 40 is closely combined with outer tube 1, and the dynamic damping effect of tungsten oxide wire 45 is activated. Inner lining layer 46 is sleeved into the inside of ceramic inner layer 40, and inner lining layer 46 is fixed by the clamping of inner protrusion 42 and the outer fitting groove 43 of inner lining layer 46, forming a multilayer composite structure. Embodiment two
[0026] Based on the above embodiment 1, please refer to Figures 3-5 , the inner wall of the ceramic inner layer 40 is equidistantly provided with a plurality of inner protrusions 42, the outer protrusions 41 and the ceramic inner layer 40 are fixedly connected with each other, and the inner protrusions 42 and the ceramic inner layer 40 are fixedly connected with each other.
[0027] The outer side surface of the outer protrusion 41 is matched with the inner wall of the fitting groove 43 opened on the inner wall of the outer layer pipe 1, and the outer side surface of the inner protrusion 42 is matched with the inner wall of the fitting groove 43 opened on the outer side surface of the inner lining layer 46.
[0028] The outer side surface of the ceramic inner layer 40 is fixedly connected with the inner wall of the outer layer pipe 1, and the inner wall of the ceramic inner layer 40 is fixedly connected with the outer side surface of the inner lining layer 46.
[0029] The two outer layer pipes 1 are screwed and connected through the hexagonal nut 2, and the mechanical strength of the hexagonal nut 2 ensures the stability of the overall structure. In this process, the tungsten oxide wire 45 optimizes the vibration energy transmission path through the annular array design, avoiding local stress concentration. Confirm that the waterproof coating 3 on the surface of the outer layer pipe 1 is completely covered, and if there is damage, it needs to be repainted to prevent external liquid erosion.
[0030] The working principle and use process of the utility model: confirm that the tungsten oxide wire 45 embedded in the ceramic inner layer 40 is distributed in an annular array, without fracture or misplacement. Check whether the fitting groove 43 on the inner wall of the outer layer pipe 1 and the outer protrusion 41 on the outer side of the ceramic inner layer 40 are aligned, to ensure that the tungsten oxide wire reinforced layer 44 and the ceramic inner layer 40 form a complete constraint structure.
[0031] Vibration working condition matching: according to the use scene such as pipeline transportation and mechanical vibration environment, the material of the inner lining layer 46 such as rubber or polytetrafluoroethylene is selected, and the position matching of the outer side fitting groove 43 and the inner protrusion 42 on the inner wall of the ceramic inner layer 40 is confirmed.
[0032] Tungsten oxide wire reinforced layer fixing: embed the ceramic inner layer 40 into the inner wall of the outer layer pipe 1, and realize precise positioning through the clamping of the outer protrusion 41 and the fitting groove 43. Use welding or gluing process to ensure that the ceramic inner layer 40 and the outer layer pipe 1 are closely combined, and at the same time activate the dynamic damping effect of the tungsten oxide wire 45.
[0033] Inner lining layer installation: put the inner lining layer 46 into the inside of the ceramic inner layer 40, and fix the inner lining layer 46 through the clamping of the inner protrusion 42 and the outer side fitting groove 43 of the inner lining layer 46, to form a multilayer composite structure.
[0034] Connection and sealing: The two outer tubes 1 are connected by tightening the hex nuts 2, and the mechanical strength of the hex nuts 2 ensures the stability of the overall structure. In this process, the tungsten oxide wire 45 optimizes the vibration energy transmission path through the annular array design, avoiding local stress concentration. Confirm that the waterproof coating 3 on the surface of the outer tube 1 is completely covered, and if there is damage, it needs to be repainted to prevent external liquid erosion.
[0035] The assembled outer sleeve is sleeved on the outside of the target pipeline. Under the action of vibration or impact, the tungsten oxide wire 45 inhibits the crack propagation of the ceramic inner layer 40 through crack bridging and deflection mechanism.
Claims
1. A high wear-resistant outer sleeve, comprising an outer tube (1), wherein a hexagonal nut (2) is provided in the middle of the outer tube (1), and a waterproof coating (3) is provided on the outer surface of the outer tube (1), characterized in that: The inner wall of the outer tube (1) is fitted with a wear-resistant component (4), wherein: The wear-resistant component (4) includes a ceramic inner layer (40), an outer protrusion (41) is provided on the outer surface of the ceramic inner layer (40), an inner protrusion (42) is installed on the inner wall of the ceramic inner layer (40), a reinforcing layer (44) for enhancing the strength of the ceramic inner layer (40) is provided in the middle of the ceramic inner layer (40), a fitting groove (43) is provided on the inner wall of the outer tube (1), an inner liner (46) is provided in the middle of the ceramic inner layer (40), and a fitting groove (43) is provided on the outer surface of the inner liner (46).
2. The high wear-resistant outer sleeve according to claim 1, characterized in that: The reinforcing layer (44) is made of tungsten oxide wire (45), and there are several tungsten oxide wires (45). The several tungsten oxide wires (45) are arranged in a ring array in the middle of the ceramic inner layer (40). The outer tube (1) and the hexagonal nut (2) are fixedly connected to each other. The inner wall of the hexagonal nut (2) is fixedly connected to the outer surface of the ceramic inner layer (40).
3. The high wear-resistant outer sleeve according to claim 2, characterized in that: There are two outer tubes (1), and the hexagonal nut (2) is set between the two outer tubes (1). The outer surface of each outer tube (1) is sprayed with a waterproof coating (3). The inner walls of the two outer tubes (1) are provided with several mating grooves (43) at equal intervals. The outer surface of the ceramic inner layer (40) is provided with several external protrusions (41) at equal intervals.
4. The high wear-resistant outer sleeve according to claim 2, characterized in that: The inner wall of the ceramic inner layer (40) is provided with a plurality of inner protrusions (42) at equal intervals. The outer protrusions (41) are fixedly connected to the ceramic inner layer (40), and the inner protrusions (42) are fixedly connected to the ceramic inner layer (40).
5. The high wear-resistant outer sleeve according to claim 1, characterized in that: The outer surface of the outer protrusion (41) fits into the inner wall of the fitting groove (43) opened on the inner wall of the outer tube (1), and the outer surface of the inner protrusion (42) fits into the inner wall of the fitting groove (43) opened on the outer surface of the inner lining (46).
6. The high wear-resistant outer sleeve according to claim 5, characterized in that: The outer surface of the ceramic inner layer (40) is fixedly connected to the inner wall of the outer tube (1), and the inner wall of the ceramic inner layer (40) is fixedly connected to the outer surface of the inner lining layer (46).