Anti-abrasion device of hydraulic hose for excavator

By designing a protective sleeve and a buffer spring on the hydraulic hose to prevent wear, the problem of hydraulic hose damage due to friction is solved, and an effective wear prevention effect is achieved.

CN223689003UActive Publication Date: 2025-12-19NANCHANG LITIAN CONSTR MASCH CO LTD
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Patent Information

Application Number
CN202423183966.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-12-19
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing hydraulic hoses for excavators lack wear-resistant features during use, making them prone to damage due to friction with the excavator's surface.

Method used

An anti-wear device comprising a protective sleeve, a buffer spring, and a limiting plate was designed. The protective sleeve moves to deform the buffer spring to buffer the tension, and the limiting plate fixes the hydraulic hose to prevent it from contacting the excavator.

Benefits of technology

It effectively prevents hydraulic hose wear, extends its service life, and reduces damage caused by friction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The anti-abrasion device comprises a bottom plate, the left side and the right side of the top of the bottom plate are fixedly connected with vertical plates, the inner sides of the vertical plates are fixedly connected with buffer rods, the left side and the right side of the outer surface of each buffer rod are sleeved with buffer springs, and the middle end of the outer surface of each buffer rod is slidably connected with a sliding sleeve. Fixing rods are fixedly connected to the outer sides of the sliding sleeves, fixing pads are fixedly connected to the inner sides of the fixing rods, protective sleeves are fixedly connected to the inner sides of the fixing pads, and reset springs are fixedly connected to the tops of the protective sleeves. The hydraulic hose penetrates through the protective sleeve through the preformed hole and extends to the outer side of the protective sleeve, when the hydraulic hose moves, the protective sleeve can be driven to move, the reset spring is extruded through movement of the protective sleeve, the reset spring deforms to buffer pulling force in the pulling process, and meanwhile the hydraulic hose is prevented from being damaged. The hydraulic hose can be supported through the protective sleeve, and the hydraulic hose can be prevented from making contact with the excavator.
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Description

TECHNICAL FIELD

[0001] The utility model relates to excavator technical field, concretely is a kind of anti-abrasion device for hydraulic hose of excavator. BACKGROUND

[0002] Excavator, also known as excavating machinery, also known as shovel, is the earth-moving machinery that material above or below the surface of the machine is excavated by shovel, and is loaded into transport vehicle or unloaded to stockpile, in the process of use of excavator, hydraulic hose needs to be used;

[0003] But the existing hydraulic hose of excavator does not have the function of anti-abrasion in the actual use process, so that the hydraulic hose of excavator will be damaged due to friction with the surface of excavator in the use process, therefore, we propose a kind of anti-abrasion device for hydraulic hose of excavator. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of anti-abrasion device for hydraulic hose of excavator to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: an anti-abrasion device for hydraulic hose of excavator, including bottom plate, the left and right sides of the top of bottom plate are all fixedly connected with vertical plate, the inner side of vertical plate is fixedly connected with buffer rod, the left and right sides of the outer surface of buffer rod are all set with buffer spring, the middle end of the outer surface of buffer rod is slidably connected with sliding sleeve, the outer side of sliding sleeve is fixedly connected with fixed rod, the inner side of fixed rod is fixedly connected with fixed pad, the inner side of fixed pad is fixedly connected with protective sleeve, the top of protective sleeve is fixedly connected with return spring, the outer side of return spring is fixedly connected with sealing plate, the right side of sealing plate is fixedly connected with pull rod, the middle end of protective sleeve is provided with reserved hole.

[0006] Preferably, the sealing plate includes a first rubber plate, a second rubber plate, and a third rubber plate, which are arranged in sequence.

[0007] Preferably, the inner cavity of the protective sleeve is fixedly connected with a limiting plate, the top of the limiting plate is fixedly connected with a supporting rod, the outer side of the supporting rod is fixedly connected with a protective plate, and the top of the protective plate is provided with a limiting groove.

[0008] Preferably, the bottom plate is provided with mounting holes around, and the mounting holes are circular structures.

[0009] Preferably, the middle end of the top of the bottom plate is provided with a sliding groove, the bottom of the sliding sleeve is fixedly connected with a sliding rod, and the sliding rod is slidably connected in the inner cavity of the sliding groove.

[0010] Compared with the prior art, the utility model have the advantages that:

[0011] 1、 the utility model discloses a hydraulic hose is through the reserved hole and extends to the outside of the protective sleeve when the hydraulic hose moves and drives the protective sleeve to move, and the protective sleeve moves and extrudes the reset spring, and the reset spring deforms and buffers the tension in the pulling process, and the protective sleeve can support the hydraulic hose and prevent the hydraulic hose from contacting the excavator.

[0012] 2、 the utility model discloses that the inner chamber of the protective sleeve is fixedly connected with the protective plate, the top of the protective plate is fixedly connected with the support rod, the outer side of the support rod is fixedly connected with the limiting plate, and the top of the limiting plate is provided with the limiting slot, which has the effect of fixing the hydraulic hose. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure schematic drawing of the utility model;

[0014] Figure 2 It is the structure schematic drawing of the utility model support rod;

[0015] Figure 3 It is the structure schematic drawing of the utility model first rubber plate.

[0016] In the drawing: 1, bottom plate;2, buffer rod;3, fixed pad;4, sliding sleeve;5, buffer spring;6, mounting hole;7, protective sleeve;8, fixed rod;9, reserved hole;10, pull rod;11, vertical board;12, limiting plate;13, support rod;14, reset spring;15, sealing plate;151, first rubber plate;152, second rubber plate;153, third rubber plate;16, protective plate;17, limiting slot. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not 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 scope of protection of the utility model.

[0018] 1, bottom plate; 2, buffer rod; 3, fixed pad; 4, sliding sleeve; 5, buffer spring; 6, mounting hole; 7, protective sleeve; 8, fixed rod; 9, reserved hole; 10, pull rod; 11, vertical plate; 12, limiting plate; 13, support rod; 14, return spring; 15, sealing plate; 151, first rubber plate; 152, second rubber plate; 153, third rubber plate; 16, protective plate; 17, limiting groove component are general standard parts or parts known to those skilled in the art, the structure and principle are known to those skilled in the art through technical manual or through conventional experimental method.

[0019] Example one:

[0020] Please refer to Figures 1-3 , the following technical solutions are provided, specifically disclosed: a kind of hydraulic hose wear-preventing device for excavator, including bottom plate 1, the top of bottom plate 1 The left and right sides of both sides are fixedly connected with vertical plate 11, the inner side of vertical plate 11 is fixedly connected with buffer rod 2, the left and right sides of the outer surface of buffer rod 2 are both equipped with buffer spring 5, the middle end of the outer surface of buffer rod 2 is slidingly connected with sliding sleeve 4, the outer side of sliding sleeve 4 is fixedly connected with fixed rod 8, the inner side of fixed rod 8 is fixedly connected with fixed pad 3, the inner side of fixed pad 3 is fixedly connected with protective sleeve 7, the top of protective sleeve 7 is fixedly connected with return spring 14, the outer side of return spring 14 is fixedly connected with sealing plate 15, the right side of sealing plate 15 is fixedly connected with pull rod 10, the middle end of protective sleeve 7 is provided with reserved hole 9;

[0021] In actual use, the hydraulic hose is threaded through the reserved hole 9 and extends to the outside of the protective sleeve 7, when the hydraulic hose moves, the protective sleeve 7 is moved, the return spring 14 is extruded by the movement of the protective sleeve 7, the return spring 14 is deformed to buffer the pulling force during pulling, at the same time, the protective sleeve 7 can support the hydraulic hose, which can prevent the hydraulic hose from contacting the excavator.

[0022] Example two:

[0023] Please refer to Figure 1 and Figure 2 , the following technical solutions are provided, specifically disclosed: sealing plate 15 includes first rubber plate 151, second rubber plate 152 and third rubber plate 153, first rubber plate 151, second rubber plate 152 and third rubber plate 153 are sequentially arranged, the inner cavity of protective sleeve 7 is fixedly connected with limiting plate 12, the top of limiting plate 12 is fixedly connected with support rod 13, the outer side of support rod 13 is fixedly connected with protective plate 16, the top of protective plate 16 is provided with limiting groove 17, the periphery of bottom plate 1 is provided with mounting hole 6, mounting hole 6 is circular structure, the middle end of the top of bottom plate 1 is provided with sliding groove, the bottom of sliding sleeve 4 is fixedly connected with sliding rod, sliding rod is slidingly connected in the inner cavity of sliding groove;

[0024] In actual use, the limiting plate 12 is fixedly connected in the inner cavity of the protective sleeve 7, the top of the limiting plate 12 is fixedly connected with the supporting rod 13, the outer side of the supporting rod 13 is fixedly connected with the protective plate 16, and the top of the protective plate 16 is provided with the limiting groove 17, thereby achieving the effect of fixing the hydraulic hose.

[0025] In use: the limiting plate 12 is fixedly connected in the inner cavity of the protective sleeve 7, the top of the limiting plate 12 is fixedly connected with the supporting rod 13, the outer side of the supporting rod 13 is fixedly connected with the protective plate 16, and the top of the protective plate 16 is provided with the limiting groove 17, thereby achieving the effect of fixing the hydraulic hose, the hydraulic hose is penetrated through the protective sleeve 7 through the reserved hole 9 and extends to the outer side of the protective sleeve 7, when the hydraulic hose moves, the protective sleeve 7 is driven to move, the protective sleeve 7 is extruded to compress the reset spring 14, the reset spring 14 is deformed to buffer the pulling force in the pulling process, and meanwhile, the protective sleeve 7 can support the hydraulic hose, and the hydraulic hose can be prevented from contacting the excavator.

[0026] Importantly, it should be noted that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such variations are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed or re-sequenced without departing from the scope of the application. In the claims, any "means plus function" clause is intended to cover the structures described herein as performing the recited functionality, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the application. Accordingly, the present application is not limited to the particular embodiments described but extends to all modifications that nevertheless fall within the scope of the appended claims.

[0027] Furthermore, in an effort to provide a concise description of exemplary embodiments, all features of an actual implementation can not be described (i.e., those unrelated to the best mode of practicing the present application, or those unrelated to enabling the present application).

[0028] It should be explained finally that the above embodiment is only used to illustrate the technical scheme of the utility model, and is not the limit of the protection scope of the utility model, although the utility model is explained in detail with reference to the preferred embodiment, the ordinary skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently, and does not deviate from the essence and scope of the technical scheme of the utility model.

Claims

1. An abrasion protection device for hydraulic hoses of excavators, comprising a base plate (1), characterized in that: The left and right sides of the top of the bottom plate (1) are fixedly connected with vertical plates (11), the inner side of the vertical plate (11) is fixedly connected with a buffer rod (2), the left and right sides of the outer surface of the buffer rod (2) are sleeved with buffer springs (5), the middle end of the outer surface of the buffer rod (2) is slidably connected with a sliding sleeve (4), the outer side of the sliding sleeve (4) is fixedly connected with a fixed rod (8), the inner side of the fixed rod (8) is fixedly connected with a fixed pad (3), the inner side of the fixed pad (3) is fixedly connected with a protective sleeve (7), the top of the protective sleeve (7) is fixedly connected with a return spring (14), the outer side of the return spring (14) is fixedly connected with a sealing plate (15), the right side of the sealing plate (15) is fixedly connected with a pull rod (10), the middle end of the protective sleeve (7) is provided with a reserved hole (9).

2. The abrasion prevention device for hydraulic hose of a excavator according to claim 1, characterized in that: The sealing plate (15) comprises a first rubber plate (151), a second rubber plate (152) and a third rubber plate (153), and the first rubber plate (151), the second rubber plate (152) and the third rubber plate (153) are sequentially arranged.

3. The abrasion prevention device for hydraulic hose of a backhoe according to claim 1, wherein: The inner cavity of the protective sleeve (7) is fixedly connected with a limiting plate (12), the top of the limiting plate (12) is fixedly connected with a supporting rod (13), the outer side of the supporting rod (13) is fixedly connected with a protective plate (16), and the top of the protective plate (16) is provided with a limiting groove (17).

4. The abrasion prevention device for hydraulic hose of a backhoe according to claim 1, characterized in that: The periphery of the bottom plate (1) is provided with a mounting hole (6), and the mounting hole (6) is a circular structure.

5. The abrasion prevention device for hydraulic hose of a backhoe according to claim 1, characterized in that: The middle end of the top of the bottom plate (1) is provided with a sliding groove, the bottom of the sliding sleeve (4) is fixedly connected with a sliding rod, and the sliding rod is slidably connected in the inner cavity of the sliding groove.