Super wear-resistant flange for engineering machinery

Abstract

The utility model discloses a super wear-resistant flange for engineering machinery, which belongs to the technical field of connecting flanges and comprises a mechanical hydraulic pipeline, a pipeline sealing component is mounted in the middle of the mechanical hydraulic pipeline and comprises connecting flanges, and a sealing flange is arranged between the two connecting flanges and comprises a first base plate. Positioning clamping plates are arranged at the two ends of the first base disc, flow guide pipes are arranged at the two ends of the first base disc, and a plurality of sealing rubber rings are arranged on the outer sides of the two flow guide pipes. The flow guide pipe is embedded in the guide pipe inserting opening of the second base disc and the guide pipe inserting opening of the third base disc, the connection sealing effect of the first base disc, the second base disc and the third base disc can be further enhanced by means of transition fit between the rubber ring body and the guide pipe inserting opening, and the connectivity and the sealing performance of the hydraulic pipeline are guaranteed. Reliable sealing of the flange joint is achieved.

Description

Technical Field

[0001] This utility model relates to the field of connecting flange technology, and in particular to an ultra-wear-resistant flange for engineering machinery. Background Technology

[0002] A connecting flange is a component used in piping systems to connect pipes, valves, pumps, and other equipment. It consists of two perforated flanges, typically secured together with bolts and nuts, with a gasket placed between them to ensure a tight seal. Connecting flanges usually have specific flange faces, such as smooth or raised faces, to accommodate different sealing requirements. This connection method offers advantages such as easy installation and disassembly, good sealing performance, and the ability to withstand high pressure, and is widely used in petrochemical, power, and water supply and drainage industries.

[0003] In the field of construction machinery, flanges, as critical connecting components, are commonly used in high-impact, high-load, and high-wear working environments, such as the connection points of hydraulic pipelines, transmission systems, or structural components in excavators, bulldozers, and loaders. Currently, in practical applications, existing construction machinery flanges lack an effective anti-wear sealing structure between the two sets of connecting flanges used for sealing the connection of hydraulic pipelines, transmission systems, or structural components. This leads to severe vibration of the connection surfaces between the two sets of connecting flanges under high impact and high load conditions. This severe vibration accelerates the wear of the sealing surfaces between the two sets of connecting flanges. As the wear intensifies, the sealing gap between the two sets of connecting flanges increases. This not only causes hydraulic oil leakage in the hydraulic pipelines but may also lead to loosening or even detachment of the transmission system or structural component connections, posing certain safety hazards and affecting the normal operation and service life of the construction machinery.

[0004] Based on this, we propose an ultra-wear-resistant flange for engineering machinery to solve the aforementioned problems. Utility Model Content

[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of the present invention, to avoid obscuring the purpose of these documents, and such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0006] Therefore, the purpose of this utility model is to provide an ultra-wear-resistant flange for engineering machinery, which can solve the safety hazards of existing engineering machinery flanges under high impact and high load conditions, such as the lack of an effective anti-wear sealing structure between the two sets of connecting flanges, which leads to accelerated wear of the sealing surface, increased sealing gap, and consequently hydraulic oil leakage, as well as loosening or even detachment of the connection parts of the transmission system or structural components.

[0007] To solve the above technical problems, this utility model provides an ultra-wear-resistant flange for engineering machinery, which adopts the following technical solution: it includes a mechanical hydraulic pipeline, a pipeline sealing assembly is installed in the middle of the mechanical hydraulic pipeline, the pipeline sealing assembly includes a connecting flange, a sealing flange is provided between two sets of the connecting flanges, the sealing flange includes a first base plate, a guide pipe is provided at both ends of the first base plate, and several sets of sealing rubber rings are provided on the outer side of the two sets of guide pipes;

[0008] The first base plate is equipped with sealing components on the outer side near the two sets of guide pipes, and several sets of positioning plates are also provided around both ends of the first base plate.

[0009] Optionally, the sealing component includes a metal ring with a telescopic adjustment groove at its top. A rubber ring is connected inside the telescopic adjustment groove, and the rubber ring is structurally matched with the telescopic adjustment groove. Multiple sets of compression springs arranged in a circumferential array are also connected between the rubber ring and the telescopic adjustment groove.

[0010] Optionally, the connecting flange includes a second base plate, and a third base plate is provided on one side of the second base plate.

[0011] Optionally, bolt fixing seats are provided around the outer perimeter of the second base plate, the third base plate and the first base plate. Several sets of positioning slots are also provided on the outer perimeter of the second base plate and the third base plate. The positioning slots are matched with the positioning plate structure and are engaged with the positioning plate.

[0012] Optionally, the second base plate and the third base plate are provided with conduit ports on their inner sides. The conduit ports are matched with the rubber ring structure. The conduit ports and the rubber ring are in a transition fit. The second base plate and the third base plate are also provided with annular sealing grooves on their periphery near the conduit ports.

[0013] Optionally, the annular sealing groove is matched with the structure of the metal ring and the rubber ring, and the annular sealing groove is in transition fit with the metal ring and the rubber ring.

[0014] In summary, this utility model has at least one of the following beneficial effects:

[0015] 1. The ultra-wear-resistant flange designed in this scheme mainly consists of a connecting flange and a sealing flange. By setting a sealing flange between two sets of connecting flanges, a multi-layer sealing structure can be formed using the first base plate, guide pipe, and sealing rubber ring on the sealing flange. This achieves effective sealing of the hydraulic pipeline, transmission system, or structural component connection. The positioning plates at both ends of the first base plate engage with the positioning slots on the second and third base plates, preventing wear on the sealing surfaces due to vibration. The guide pipe is embedded in the conduit inlet of the second and third base plates. The transition fit between the rubber ring and the conduit inlet further enhances the sealing effect of the connection between the three components, ensuring the connectivity and sealing of the hydraulic pipeline and achieving reliable sealing at the flange connection.

[0016] 2. The ultra-wear-resistant flange designed in this scheme, by adding sealing components to both ends of the first base plate, can achieve secondary positioning and elastic sealing at the connection gap between the first base plate and the second and third base plates through the synergistic action of the metal ring, rubber ring and compression spring in the sealing components. When the first base plate is clamped between the second and third base plates, the metal ring can provide structural support, allowing the rubber ring to precisely fit with the connection surface of the annular sealing groove due to elasticity. The compression spring can also adjust the expansion and contraction of the rubber ring, which can adapt to the slight deformation and displacement during the connection process of the first base plate and the second and third base plates. Through the transition fit between the annular sealing groove and the metal ring and rubber ring, the sealing effect of the connection between the three can be further enhanced, realizing the stability and airtightness of the flange connection. This effectively solves the problem of hydraulic oil leakage and loosening and falling off of the connection parts caused by the wear of the sealing surface of existing engineering machinery flanges under high impact and high load conditions. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the sealing flange structure of this utility model;

[0020] Figure 3 This is a plan view of the sealing component of this utility model;

[0021] Figure 4 This is a schematic diagram of the connecting flange structure of this utility model.

[0022] Explanation of reference numerals in the attached drawings: 1. Mechanical hydraulic pipeline; 2. Pipeline sealing assembly; 3. Connecting flange; 4. Sealing flange; 5. First base plate; 6. Guide pipe; 7. Sealing ring; 8. Sealing component; 9. Positioning plate; 10. Metal ring; 11. Telescopic adjustment groove; 12. Rubber ring; 13. Compression spring; 14. Second base plate; 15. Third base plate; 16. Bolt fixing seat; 17. Positioning groove; 18. Conduit insertion port; 19. Annular sealing groove. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example: Refer to Figures 1 to 4 This utility model provides an embodiment of an ultra-wear-resistant flange for engineering machinery, comprising a mechanical hydraulic pipeline 1, a pipeline sealing assembly 2 installed in the middle of the mechanical hydraulic pipeline 1, the pipeline sealing assembly 2 including a connecting flange 3, a sealing flange 4 disposed between two sets of connecting flanges 3, the sealing flange 4 including a first base plate 5, both ends of the first base plate 5 are provided with guide pipes 6, several sets of sealing rubber rings 7 are provided on the outer side of the two sets of guide pipes 6, sealing components 8 are provided on the outer side of the first base plate 5 near the two sets of guide pipes 6, and several sets of positioning plates 9 are also provided around both ends of the first base plate 5. The ultra-wear-resistant flange, through the structural design of the positioning slot 17 and the positioning plate 9 engaging, can connect the sealing flange 4, which is equipped with guide pipes 6, sealing rubber rings 7 and sealing components 8 at both ends, between the two sets of connecting flanges 3, which can prevent the sealing surface between the sealing flange 4 and the two sets of connecting flanges 3 from being worn due to vibration.

[0025] The sealing component 8 includes a metal ring 10, with a telescopic adjustment groove 11 on its top. A rubber ring 12 is connected inside the telescopic adjustment groove 11, and the rubber ring 12 is structurally matched with the telescopic adjustment groove 11. Multiple sets of circumferentially arrayed compression springs 13 are also connected between the rubber ring 12 and the telescopic adjustment groove 11. Through the cooperation of the metal ring 10, the rubber ring 12, and the compression springs 13, the sealing component 8 can provide secondary positioning and elastic sealing at the gap between the sealing flange 4 and the two sets of connecting flanges 3, effectively improving the stability and airtightness of the connection between the sealing flange 4 and the two sets of connecting flanges 3. The connecting flange 3 includes a second base plate 14, and a third base plate 15 is provided on one side of the second base plate 14. The connecting flange 3 consists of the second base plate 14 and... The third base plate 15 is used for sealing connections of hydraulic pipelines, transmission systems, or structural components of engineering machinery. Bolt fixing seats 16 are provided on the outer perimeter of the second base plate 14, the third base plate 15, and the first base plate 5. Several sets of positioning slots 17 are also provided on the outer perimeter of the second base plate 14 and the third base plate 15. The positioning slots 17 and the positioning plates 9 are structurally matched and are engaged. Through the engagement structure between the positioning slots 17 and the positioning plates 9, the first base plate 5, which is equipped with guide pipes 6, sealing rings 7, and sealing components 8 at both ends, can be engaged between the second base plate 14 and the third base plate 15. This can prevent wear on the sealing surfaces of the first base plate 5, the second base plate 14, and the third base plate 15 due to vibration.

[0026] The inner sides of the second base plate 14 and the third base plate 15 are provided with conduit inlets 18, which are structurally matched with the rubber ring 12. The conduit inlets 18 and the rubber ring 12 have a transition fit. Annular sealing grooves 19 are also provided around the sides of the second base plate 14 and the third base plate 15 near the conduit inlets 18. Through this transition fit design between the conduit inlets 18 and the rubber ring 12, the first base plate 5 can embed the guide tubes 6 installed at both ends into the conduit inlets 18 of the second base plate 14 and the third base plate 15, allowing the first base plate 5, second base plate 14, and third base plate 15 to... The components are in a sealed and interconnected connection state. The annular sealing groove 19 is structurally matched with the metal ring 10 and the rubber ring 12. The annular sealing groove 19 is in a transition fit with the metal ring 10 and the rubber ring 12. Through the structural design of the transition fit between the annular sealing groove 19 and the metal ring 10 and the rubber ring 12, the sealing component 8 can play a secondary positioning and elastic sealing role at the gap between the first base plate 5 and the second base plate 14 and the third base plate 15, which can effectively improve the stability and airtightness of the connection between the first base plate 5, the second base plate 14 and the third base plate 15.

[0027] Working Principle: The ultra-wear-resistant flange designed in this scheme mainly consists of a connecting flange 3 and a sealing flange 4. The sealing flange 4 includes a first base plate 5, a guide pipe 6, and a sealing ring 7. The first base plate 5 is equipped with positioning plates 9 on both ends and positioning grooves 17 on the outer sides of the second base plate 14 and the third base plate 15. Because the positioning grooves 17 and the positioning plates 9 are structurally matched and have a snap-fit ​​fit, the first base plate 5, which has guide pipes 6, sealing rings 7, and sealing components 8 installed at both ends, can be snapped to connect to the second base plate 14 and the third base plate 15. Between them, it can prevent the sealing surfaces of the first base plate 5, the second base plate 14, and the third base plate 15 from being worn due to vibration. With the conduit inlet 18 opened inside the second base plate 14 and the third base plate 15, since the conduit inlet 18 matches the structure of the rubber ring 12 and the conduit inlet 18 and the rubber ring 12 are transition fit, the first base plate 5 can embed the guide tubes 6 installed at both ends into the conduit inlet 18 of the second base plate 14 and the third base plate 15, so that the first base plate 5, the second base plate 14, and the third base plate 15 are in a sealed and interconnected connection state.

[0028] The ultra-wear-resistant flange designed in this scheme uses sealing components 8 installed at both ends of the first base plate 5. These sealing components 8 work together through the cooperation of a metal ring 10, a rubber ring 12, and a compression spring 13, as well as the transitional fit between the annular sealing groove 19 and the metal ring 10 and the rubber ring 12. When the first base plate 5 is snapped between the second base plate 14 and the third base plate 15, the sealing components 8 can also play a secondary positioning and elastic sealing role at the gap between the first base plate 5 and the second base plate 14 and the third base plate 15, which can effectively improve the stability and airtightness of the connection between the first base plate 5, the second base plate 14, and the third base plate 15.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A wear-resistant flange for engineering machinery, comprising mechanical hydraulic pipeline (1), characterized in that: The mechanical hydraulic pipeline (1) is equipped with a pipeline sealing assembly (2) in the middle. The pipeline sealing assembly (2) includes a connecting flange (3). A sealing flange (4) is provided between the two sets of connecting flanges (3). The sealing flange (4) includes a first base plate (5). Both ends of the first base plate (5) are provided with guide pipes (6). Several sets of sealing rubber rings (7) are provided on the outside of the two sets of guide pipes (6). The first base plate (5) is provided with sealing components (8) on the outer side near the two sets of guide pipes (6), and several sets of positioning plates (9) are also provided around both ends of the first base plate (5).

2. The ultra-wear-resistant flange for engineering machinery according to claim 1, characterized in that: The sealing component (8) includes a metal ring (10), the top of which is provided with a telescopic adjustment groove (11), and a rubber ring (12) is connected inside the telescopic adjustment groove (11). The rubber ring (12) is structurally matched with the telescopic adjustment groove (11), and multiple sets of circumferentially distributed compression springs (13) are also connected between the rubber ring (12) and the telescopic adjustment groove (11).

3. The ultra-wear-resistant flange for engineering machinery according to claim 2, characterized in that: The connecting flange (3) includes a second base plate (14), and a third base plate (15) is provided on one side of the second base plate (14).

4. The ultra-wear-resistant flange for engineering machinery according to claim 3, characterized in that: Bolt fixing seats (16) are provided on the outer periphery of the second base plate (14), the third base plate (15) and the first base plate (5). Several sets of positioning slots (17) are also provided on the outer periphery of the second base plate (14) and the third base plate (15). The positioning slots (17) are matched with the positioning plate (9) in structure, and the positioning slots (17) and the positioning plate (9) are engaged in a snap-fit ​​relationship.

5. The ultra-wear-resistant flange for engineering machinery according to claim 4, characterized in that: The second base plate (14) and the third base plate (15) have conduit ports (18) on their inner sides. The conduit ports (18) are matched with the structure of the rubber ring (12). The conduit ports (18) and the rubber ring (12) are in a transition fit. The second base plate (14) and the third base plate (15) are also provided with annular sealing grooves (19) on the side of the second base plate (14) and the third base plate (15) near the conduit ports (18).

6. The ultra-wear-resistant flange for engineering machinery according to claim 5, characterized in that: The annular sealing groove (19) is structurally matched with the metal ring (10) and the rubber ring (12), and the annular sealing groove (19) is in transition fit with the metal ring (10) and the rubber ring (12).

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