Hydraulic hose protection device and engineering machinery
By designing a protective base and a flip-top hydraulic hose protection device, the problem of hydraulic hose damage in harsh environments is solved, achieving sealing, corrosion prevention, and heat dissipation effects, thereby improving the service life and maintenance convenience of hydraulic hoses.
Patent Information
- Application Number
- CN202423116334.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Hydraulic hoses are easily damaged in harsh environments. Existing protection solutions are costly and not suitable for exposed pilot hoses, and the pipes are prone to corrosion and have poor heat dissipation.
A hydraulic hose protection device was designed, including a protective base, a semi-circular end cap, and a protective flip cover. The flip cover and the base overlap to achieve sealing protection. It is also equipped with a corrosion-resistant shell, a reinforced support frame, and a buffer rubber pad, and has the functions of sealing, corrosion prevention, and heat dissipation.
It achieves effective protection of hydraulic hoses in harsh environments, reduces the risk of damage, extends the service life of pipelines, and facilitates maintenance.
Smart Images

Figure CN223511754U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a hydraulic hose protection device, belonging to the technical field of engineering machinery excavators. Background Technology
[0002] Hydraulic hoses are responsible for delivering hydraulic oil to the entire excavator system, directly affecting the excavator's normal operation. Exposed hydraulic lines, especially those near the excavator arm, are easily damaged by impacts in harsh working environments. Oil and ash buildup can also corrode the lines, reducing their lifespan and hindering heat dissipation. In high-temperature environments like steel mills, where hot debris can easily splash, hoses are prone to damage, leading to leaks and the need for replacement.
[0003] Existing technical solutions all involve adding a fireproof sheath to the exposed hydraulic hose, which is costly and makes the hydraulic hose much thicker, making it impractical for exposed pilot hoses. Summary of the Invention
[0004] To address the shortcomings of existing technologies, this utility model provides a hydraulic hose protection device that achieves sealing protection by overlapping the protective cover with the protective base, and allows the protective cover to be directly flipped over during hydraulic pipeline maintenance.
[0005] This utility model is achieved according to the following technical solution:
[0006] In a first aspect, this utility model provides a hydraulic hose protection device, comprising:
[0007] The protective base has a through-type semi-circular groove on its top surface that extends in the lateral direction for holding hydraulic hoses.
[0008] Two semi-circular end caps are respectively connected to the two transverse ends of the top surface of the protective base, and are used to limit the hydraulic hose in the radial direction.
[0009] The protective flip cover is rotatably supported on the protective base between the two semi-circular end caps, and is used to seal the hydraulic hose in the receiving space between the protective flip cover and the protective base; rotating the protective flip cover to a preset angle can expose the hydraulic hose.
[0010] In some embodiments, each of the two lateral ends of the protective flip cover is fixedly connected to an end rotating ring, which is a circular ring structure with a T-shaped outer wall cross-section; the top surface of the protective base is provided with a T-shaped ring groove that matches the end rotating ring, and the two end rotating rings are inserted into the corresponding T-shaped ring grooves. The flip cover is flipped on the protective base by rotating the end rotating rings in the T-shaped ring grooves.
[0011] In some embodiments, a ball bearing row is fixedly connected to the bottom of the T-shaped annular groove, and multiple lubricating balls are rotatably installed at equal intervals in the middle of the ball bearing row to reduce the rotational resistance of the end ring.
[0012] In some embodiments, a protruding positioning ear is fixedly connected to the middle area of the inner wall of the protective flip cover located at the end ring, and a positioning bolt is inserted through the semi-circular end cover; when the protective flip cover is directly above the protective base, the positioning bolt is threadedly connected to the positioning ear to lock the protective flip cover on the protective base.
[0013] In some embodiments, a sealing gasket is provided at the gap between the hydraulic hose, the semi-circular end cap, and the protective base to seal them.
[0014] In some embodiments, a protrusion is fixedly connected to the central region of the top surface of the sealing gasket, and both the protective base and the semi-circular cover plate are provided with slots for inserting the corresponding protrusion.
[0015] In some embodiments, the protective flip cover includes a corrosion-resistant outer shell, a reinforcing support frame, and a cushioning rubber pad; the inner wall of the corrosion-resistant outer shell is fixedly connected to the cushioning rubber pad, and the inner wall of the cushioning rubber pad abuts against the outer wall of the hydraulic pipeline; a plurality of equally spaced reinforcing support frames are connected between the corrosion-resistant outer shell and the cushioning rubber pad.
[0016] In some embodiments, both ends of the anti-corrosion housing are provided with end scrapers, which can scrape off dirt from the protective base when the protective cover is flipped.
[0017] In some embodiments, the protective base has multiple heat dissipation fins that are evenly distributed on the two longitudinal sides to assist in heat conduction.
[0018] Secondly, this utility model provides an engineering machinery equipped with the aforementioned hydraulic hose protection device.
[0019] The beneficial effects of this utility model are:
[0020] The protective base is fixedly connected to the excavator's outer shell and corresponds to the hydraulic system pipeline. A semi-circular groove is opened in the center of the outer side of the protective base, and semi-circular cover plates are fixedly connected to the upper two sides of the protective base by cover plate bolts. A protective flip cover is rotatably installed in the middle of the protective base. The two ends of the protective flip cover abut against the semi-circular cover plates on both sides. The outer wall size of the protective flip cover matches the semi-circular groove of the protective base, and the length of the two ends of the protective flip cover exceeds the two sides of the protective base. The overlap between the protective flip cover and the protective base provides sealing protection, ensuring the protective effect of the protective base. In addition, the protective flip cover can be directly flipped over during hydraulic pipeline maintenance. The protective flip cover is not easy to lose and facilitates the maintenance of the hydraulic pipeline. Attached Figure Description
[0021] The accompanying drawings, as part of this utility model, are used to provide a further understanding of the present utility model. The illustrative embodiments and descriptions of the present utility model are used to explain the present utility model, but do not constitute an undue limitation of the present utility model. Obviously, the drawings described below are merely some embodiments; those skilled in the art can obtain other drawings based on these drawings without any creative effort.
[0022] In the attached diagram:
[0023] Figure 1 This is a schematic diagram of the overall hydraulic hose protection device of this utility model;
[0024] Figure 2 Partial cross-sectional view of the hydraulic hose protection device of this utility model. Figure 1 ;
[0025] Figure 3 Partial cross-sectional view of the hydraulic hose protection device of this utility model. Figure 2 ;
[0026] Figure 4 Partial cross-sectional view of the hydraulic hose protection device of this utility model. Figure 3 .
[0027] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation
[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model, but are not intended to limit the scope of this utility model.
[0029] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0031] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, this utility model provides a hydraulic hose protection device, including a protective base 1, a semi-circular end cap 2, and a protective flip cover 6. The protective base 1 is fixedly connected to the excavator housing and is arranged corresponding to the hydraulic system pipeline. A semi-circular groove is provided in the center of the top surface of the protective base 1, and semi-circular cover plates 2 are fixedly connected to the upper two sides of the protective base 1 by cover plate bolts 3. The protective flip cover 6 is rotatably installed in the middle of the protective base 1, and the two ends of the protective flip cover 6 abut against the semi-circular cover plates 2 on both sides.
[0032] The following provides a further explanation of the specific connection relationships of the aforementioned protective flip cover.
[0033] like Figure 1 , Figure 2 As shown, both ends of the protective flip cover 6 are fixedly connected with end rotating rings 4, and the end rotating rings 4 are circular ring structures with a T-shaped outer wall cross section. The two ends of the protective base 1 are provided with T-shaped ring grooves 5 corresponding to the two ends of the protective flip cover 6, and the end rotating rings 4 on both sides are inserted into the T-shaped ring grooves 5 on both sides. The end rotating rings 4 and T-shaped ring grooves 5 have the following functions: the rotational engagement of the end rotating rings 4 in the T-shaped ring grooves 5 facilitates the rotational installation of the protective flip cover 6, and improves the structural stability of the two ends of the protective flip cover 6, thereby improving the support and protection effect of the two ends of the protective flip cover 6.
[0034] Further options, such as Figure 2 As shown, a ball bearing 15 is fixedly connected to the bottom of the T-shaped ring groove 5, and multiple lubricating balls are rotatably installed at equal intervals in the middle of the ball bearing 15. Through the ball bearing 15, the ball bearing 15 can reduce the rotational resistance of the end rotating ring 4, making it easier for the end rotating ring 4 to rotate, thereby facilitating the flipping operation of the protective cover 6.
[0035] Further options, such as Figure 1 , Figure 2As shown, the inner walls of the two end rings 4 are fixedly connected to the middle of the protective flip cover 6 with positioning ears 16. Positioning bolts 17 are inserted through the two semi-circular cover plates 2, and the inner ends of the positioning bolts 17 are threadedly connected to the positioning ears 16. The positioning ears 16 and positioning bolts 17 have the following functions: the positioning bolts 17 can thread and fix the positioning ears 16 when the middle of the protective flip cover 6 is rotated upward, restricting the flip of the protective flip cover 6 and ensuring the protective effect of the protective flip cover 6. The positioning bolts 17 at both ends facilitate the locking and unlocking of the protective flip cover 6 and facilitate the maintenance of the hydraulic system.
[0036] Further options, such as Figure 1 , Figure 2 , Figure 3 As shown, sealing gaskets 7 are fixedly connected to both ends of the semi-circular groove of the protective base 1 and the inner wall of the semi-circular cover plate 2. A protrusion 8 is fixedly connected to the middle of the outer wall of the sealing gasket 7, and mating slots 14 are opened at both ends of the semi-circular groove of the protective base 1 and the inner wall of the semi-circular cover plate 2 corresponding to the protrusion 8. The sealing gasket 7 has the following functions: the sealing gasket 7 can press and seal the outer wall of the hydraulic pipeline joint, ensuring the sealing of both ends of the protective base 1, preventing dust and sewage from entering, and effectively preventing the hydraulic pipeline and hydraulic joint from being corroded.
[0037] The following provides a further explanation of the specific structure of the aforementioned protective flip cover 6.
[0038] like Figure 4 As shown, the protective flip cover 6 includes a corrosion-resistant outer shell 9, a reinforcing support frame 10, and a buffer rubber pad 12. Multiple reinforcing support frames 10 are provided and are fixedly connected to the inner wall of the corrosion-resistant outer shell 9 at equal intervals. A buffer rubber pad 12 is fixedly connected to the inner wall of the corrosion-resistant outer shell 9, and the inner side of the buffer rubber pad 12 abuts against the outer wall of the hydraulic pipeline. End scrapers 11 are provided at both ends of the corrosion-resistant outer shell 9. The corrosion-resistant outer shell 9, reinforcing support frame 10, and buffer rubber pad 12 provide the following functions: the corrosion-resistant outer shell 9 is made of corrosion-resistant stainless steel, providing anti-fouling and anti-corrosion effects; the reinforcing support frame 10 is an elastic steel frame, effectively buffering external impacts and improving the protective effect of the protective flip cover 6; and the end scrapers 11 can scrape away dirt when the protective flip cover 6 is flipped, facilitating the cleaning of the inner wall of the protective base 1.
[0039] Further options: such as Figure 1 , Figure 3 , Figure 4 As shown, multiple heat dissipation fins 13 are evenly distributed on both sides of the protective base 1. The multiple heat dissipation fins 13 have the following functions: the multiple heat dissipation fins 13 can assist the protective base 1 in conducting heat, the hydraulic pipeline in the semi-circular groove of the protective base 1 can exchange heat with the protective base 1 to cool down, and the setting of the heat dissipation fins 13 improves the heat exchange and cooling capacity of the protective base 1.
[0040] The working principle and usage process of this utility model are as follows: When using this hydraulic hose protection device, the hydraulic pipeline connectors are clamped and fixed at both ends of the protective base 1 by the semi-circular cover plates 2. The hydraulic pipeline is set in the semi-circular groove of the protective base 1, and the middle part is covered by the protective flip cover 6 for protection. The outer wall size of the protective flip cover 6 matches the semi-circular groove of the protective base 1, and the length of both ends of the protective flip cover 6 exceeds the two sides of the protective base 1. The overlapping of the protective flip cover 6 and the protective base 1 provides sealing protection, ensuring the protective effect of the protective base 1. In addition, the protective flip cover 6 can be directly flipped over when the hydraulic pipeline is maintained. The protective flip cover 6 is not easy to lose and facilitates the maintenance of the hydraulic pipeline.
[0041] In summary, this utility model provides a hydraulic hose protection device with the following functions:
[0042] 1. The hydraulic pipeline connectors are clamped and fixed at both ends of the protective base by semi-circular cover plates. The hydraulic pipeline is set in the semi-circular groove of the protective base, and the middle is protected by a protective flip cover. The outer wall size of the protective flip cover matches the semi-circular groove of the protective base, and the length of both ends of the protective flip cover exceeds the two sides of the protective base. The overlap between the protective flip cover and the protective base provides sealing protection, ensuring the protective effect of the protective base. In addition, the protective flip cover can be flipped directly when the hydraulic pipeline is maintained. The protective flip cover is not easy to lose and facilitates the maintenance of the hydraulic pipeline.
[0043] 2. The rotational fit of the end swivel within the T-shaped groove facilitates the rotational installation of the protective flip cover and improves the structural stability of both ends of the protective flip cover, thereby enhancing the support and protection effect at both ends. The ball bearings reduce the rotational resistance of the end swivel, facilitating its rotation and thus making it easier to flip the protective flip cover.
[0044] 3. The positioning bolts can fix the positioning ears when the protective cover is rotated upwards in the middle, restricting the flipping of the protective cover and ensuring its protective effect. The positioning bolts at both ends facilitate the locking and unlocking of the protective cover and make the maintenance of the hydraulic system convenient.
[0045] The following describes the engineering machinery provided by this utility model. The engineering machinery described below can be referred to in correspondence with the hydraulic hose protection device described above.
[0046] The engineering machinery provided by this utility model may include a hydraulic hose protection device as described in any of the above embodiments.
[0047] The beneficial effects achieved by the engineering machinery provided by this utility model are consistent with the beneficial effects achieved by the hydraulic hose protection device provided by this utility model, so they will not be repeated here.
[0048] It should be noted that the aforementioned construction machinery can be excavators.
[0049] Numerous specific details are set forth in the specification provided herein. However, it will be understood that embodiments of the present invention may be practiced without these specific details. In some instances, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this specification.
[0050] Furthermore, those skilled in the art will understand that although some embodiments described herein include certain features found in other embodiments but not others, combinations of features from different embodiments are also within the scope of protection of this invention and form different embodiments. For example, in the embodiments described above, those skilled in the art can use them in combination based on known technical solutions and the technical problems to be solved by this application.
[0051] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.
Claims
1. A hydraulic hose protection device, characterized in that, include: The protective base has a through-type semi-circular groove on its top surface that extends in the lateral direction for holding hydraulic hoses. Two semi-circular end caps are respectively connected to the two transverse ends of the top surface of the protective base, and are used to limit the hydraulic hose in the radial direction. The protective flip cover is rotatably supported on the protective base between the two semi-circular end caps, and is used to seal the hydraulic hose in the receiving space between the protective flip cover and the protective base; rotating the protective flip cover to a preset angle can expose the hydraulic hose.
2. A hydraulic hose protection device according to claim 1, characterized in that: The protective flip cover has an end ring fixedly connected to each of its two lateral ends. The end ring is a circular ring structure with a T-shaped outer wall cross-section. The top surface of the protective base is provided with a T-shaped groove that matches the end swivel. The two end swivels are inserted into the corresponding T-shaped grooves. The protective flip cover can be flipped on the protective base by rotating the end swivels in the T-shaped grooves.
3. A hydraulic hose protection device according to claim 2, characterized in that: The bottom of the T-shaped annular groove is fixedly connected to a ball bearing assembly, and multiple lubricating balls are rotatably installed at equal intervals in the middle of the ball bearing assembly to reduce the rotational resistance of the end ring.
4. A hydraulic hose protection device according to claim 2, characterized in that: A protruding positioning ear is fixedly connected to the middle area of the inner wall of the protective flip cover located at the end ring, and a positioning bolt is inserted through the semi-circular end cover; when the protective flip cover is directly above the protective base, the positioning bolt is threadedly connected to the positioning ear, locking the protective flip cover on the protective base.
5. A hydraulic hose protection device according to claim 1, characterized in that: A sealing gasket is provided at the gap between the hydraulic hose, the semi-circular end cap, and the protective base to seal them.
6. A hydraulic hose protection device according to claim 5, characterized in that: A protrusion is fixedly connected to the center of the top surface of the sealing gasket, and the protective base and the semi-circular cover plate are both provided with slots for inserting the corresponding protrusion.
7. A hydraulic hose protection device according to claim 1, characterized in that: The protective flip cover includes a corrosion-resistant outer shell, a reinforcing support frame, and a buffer rubber pad; the inner wall of the corrosion-resistant outer shell is fixedly connected to the buffer rubber pad, and the inner wall of the buffer rubber pad abuts against the outer wall of the hydraulic pipeline; multiple equally spaced reinforcing support frames are connected between the corrosion-resistant outer shell and the buffer rubber pad.
8. A hydraulic hose protection device according to claim 7, characterized in that: Both ends of the anti-corrosion shell are equipped with end scrapers, which can scrape off dirt from the protective base when the protective cover is flipped.
9. A hydraulic hose protection device according to claim 1, characterized in that: The protective base has multiple heat dissipation fins that are evenly distributed on the two longitudinal sides to assist in heat conduction.
10. An engineering machinery, characterized in that: The hydraulic hose protection device according to any one of claims 1 to 9 is installed.