Floating oil seal installation process equipment in walking device
By combining the positioning ring and the clamping sleeve, the problems of low installation efficiency of floating oil seals and damage to O-rings in the traveling device are solved. This achieves uniform force installation, improves installation accuracy and sealing effect, and protects the O-rings.
Patent Information
- Application Number
- CN202520341213.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-28
AI Technical Summary
In the existing technology, the installation efficiency of floating oil seals in traveling devices is low, the O-rings are easily damaged and improperly assembled, leading to seal failure and hydraulic oil leakage.
The system employs a combination structure of a positioning ring and a clamping sleeve. The positioning ring has a groove on its inner or outer wall, and the rubber ring clamping part is in full contact with the O-ring. The system utilizes elastic materials and a slit design to distribute the force evenly. Combined with the clamping sleeve, the positioning ring is kept in a tight state, achieving uniform force during installation.
It improves the installation efficiency and accuracy of floating oil seals, protects O-rings from compression damage, ensures the integrity of the sealing surface, reduces stress concentration, and improves assembly efficiency and sealing effect.
Smart Images

Figure CN223849109U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to engineering machinery technical field, concretely is a kind of walking device in floating oil seal installation process equipment. BACKGROUND
[0002] At present, the installation mode of floating oil seal assembly in speed reducer is still the traditional hand pressure mode, such as first preassembling O-shaped cable between floating oil seal seat and rubber ring, then manually pressing assembly after fixing or making cast iron tool to make floating oil seal outer circle stress manually pressing assembly.
[0003] The traditional hand pressure mode of floating oil seal in walking device leads to low assembly efficiency, O-shaped rubber ring damage in assembly process, assembly out of position and other problems. Floating oil seal assembly out of position can easily cause floating oil seal sealing failure, thereby causing hydraulic oil leakage in hydraulic system, affecting the normal work of excavator. Therefore, floating oil seal installation tool is designed, which reduces installation difficulty, improves assembly efficiency, accurately controls installation position and effectively protects sealing surface.
[0004] Publication No. CN208528997U discloses a press-fitting tool for installing floating oil seal and an oil seal installation system, comprising: a base ring body; a press-fitting ring body arranged at the first end face of the base ring body; a limiting ring body arranged at the first end face of the base ring body, and the press-fitting ring body is located in the inner ring of the limiting ring body.
[0005] When the O-shaped rubber ring is pressed, the contact area between the limiting ring body and the O-shaped rubber ring is small, stress concentration is easy to occur, and the O-shaped rubber ring is damaged.
[0006] In summary, the technical solutions of the above disclosed technologies, the technical problems to be solved and the beneficial effects produced are different from those of the utility model, and the above disclosed technology documents do not have technical inspiration for more technical features and technical problems to be solved of the utility model and beneficial effects. CONTENT OF THE UTILITY MODEL
[0007] In view of the above defects of the prior art, the purpose of the utility model is to provide a floating oil seal installation process equipment in walking device.
[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0009] The application relates to a floating oil seal mounting process equipment in a walking device, which comprises a positioning ring, the inner wall or the outer wall of the positioning ring is provided with a ring groove, the part of the positioning ring below the ring groove is a rubber ring pressing part, a transition surface is arranged between the end face of the rubber ring pressing part close to the ring groove and the end face of the rubber ring pressing part away from the groove bottom of the ring groove, the positioning ring is made of elastic material, and the positioning ring is provided with a slit.
[0010] Further, the equipment further comprises a pressing sleeve, the pressing sleeve is annular, the lower end face of the pressing sleeve is provided with a protruding limiting ring, the limiting ring can be matched with the wall without the ring groove of the positioning ring, and the lower end face of the pressing sleeve can be in contact with the end face of the positioning ring.
[0011] Further, the transition surface is a round corner transition surface.
[0012] Further, the positioning ring is made of PVC material, and the pressing sleeve is made of PVC material.
[0013] Compared with the prior art, the application has the following beneficial effects:
[0014] 1. The rubber ring pressing part is clamped into the floating oil seat through the ring groove, full contact between the rubber ring pressing part and the O-shaped rubber ring is realized, the O-shaped rubber ring is uniformly stressed, the installation safety of the O-shaped rubber ring is ensured, and the O-shaped rubber ring is prevented from being squeezed and injured.
[0015] 2. The application changes the previous manual knocking installation mode, the manual knocking installation mode is not uniform in stress and is not on the same plane, and the O-shaped rubber ring is easily squeezed and injured, the application can uniformly apply force on the floating oil seal assembly by using the pressure of the machine, work efficiency is improved, the installation safety of the O-shaped rubber ring is ensured, the O-shaped rubber ring is accurately installed in place, and the work efficiency of assembly is greatly improved.
[0016] 3. The upper pressing sleeve and the lower positioning ring are combined in a brand-new and independent design mode, the positioning ring is always in a fastened state through the pressing sleeve, the positioning ring is uniformly stressed when transmitting the pressure from the equipment, and the effect of stress concentration is reduced.
[0017] 4. The pressing sleeve and the positioning ring are made of PVC material, the self weight is reduced, manufacturing cost is saved, and the sealing surface of the floating oil seal is fully protected. ACCURACY OF DRAWINGS
[0018] Figure 1 is a structural schematic view of the floating oil seal mounting process equipment in the walking device.
[0019] Figure 2 is Figure 1 a sectional view.
[0020] Figure 3Is a kind of walking device in the structure schematic diagram of installation process equipment of floating oil seal during use of the utility model.
[0021] Figure 4 Is Figure 3 Sectional view.
[0022] In the figure:1, positioning ring;1.1, ring groove;1.2, rubber ring compression part;1.3, slit;2, compression sleeve;2.1, limit ring;3, O rubber ring;4, floating oil seat;5, gear ring housing. Specific embodiments
[0023] 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, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0024] Embodiment 1:
[0025] Please refer to Figures 1 to 2 The utility model provides a kind of walking device in floating oil seal installation process equipment, including positioning ring 1, the positioning ring 1 is annular, ring groove 1.1 is arranged on the inner wall or outer wall of positioning ring 1, the part of positioning ring 1 below ring groove 1.1 is rubber ring compression part 1.2, the end face of rubber ring compression part 1.2 close to ring groove 1.1 and the end face of rubber ring compression part 1.2 away from the groove bottom of ring groove 1.1 are arranged transition surface, the positioning ring 1 is elastic material, positioning ring 1 is provided with slit 1.3, make positioning ring 1 expand through slit 1.3, it is convenient to be set on the floating oil seat 4 of floating oil seal of positioning ring 1, make rubber ring compression part 1.2 can contact with O rubber ring 3, complete press fitting after positioning ring 1 is removed by slit 1.3, transition surface, realize the installation of floating oil seal.
[0026] Specifically, the positioning ring 1 is PVC material.
[0027] Specifically, the transition surface is a round corner transition surface, more specifically, the round corner transition surface is an R3 round corner transition surface, which has higher cooperation with the floating oil seat 4 and is convenient to remove the tooling after assembly.
[0028] Further, the compression sleeve 2 is annular, and a protruding limiting ring 2.1 is arranged on the lower end surface of the compression sleeve 2; during installation, the limiting ring 2.1 is matched with the wall of the non-ring groove 1.1 of the positioning ring 1, the lower end surface of the compression sleeve 2 is in contact with the positioning ring 1, the positioning ring 1 is always in a fastened state, the position of the O-shaped rubber ring 3 is stable and cannot move, the positioning ring 1 can keep uniform stress when transmitting the pressure from the equipment, the stress concentration effect is reduced, and the floating oil seal is installed in place.
[0029] Specifically, the compression sleeve 2 is made of PVC.
[0030] Embodiment 2:
[0031] Based on the embodiment 1, an application example is provided, as shown in Figure 3 , Figure 4 .
[0032] The outer O-shaped rubber ring 3 and the floating oil seat of the inner floating oil seat 4 need to be installed into the gear ring shell 5.
[0033] The positioning ring 1 with the inner wall provided with the ring groove 1.1 is used, the width of the cutting slot 1.3 is 4 mm, the installation is facilitated, the positioning ring 1 is expanded through the cutting slot 1.3, the positioning ring 1 is sleeved on the outer ring of the floating oil seat 4, the rubber ring compression part 1.2 can be in contact with the O-shaped rubber ring 3, the compression sleeve 2 is placed on the upper end of the positioning ring 1, the limiting ring 2.1 is matched with the outer wall of the positioning ring 1, the lower end surface of the compression sleeve 2 is in contact with the positioning ring 1, the positioning ring 1 is always in a fastened state, the position of the O-shaped rubber ring 3 is stable and cannot move, the pressure of the equipment acts on the compression sleeve 2, the compression sleeve 2 transmits the pressure of the equipment to the positioning ring 1, the stress is uniform during the compression process, the stress concentration is reduced, the O-shaped rubber ring 3 is installed in the gear ring shell 5 through the pressure transmission, the positioning ring 1 is removed through the cutting slot 1.3 and the transition surface after the compression of the O-shaped rubber ring 3 is completed, and the floating oil seal is installed in place.
[0034] In the application, the parts not discussed in detail, and the connection modes of the parts in the application are all known technologies in the technical field. Direct application can be used, and details are not repeated.
[0035] In the utility model, the term "a plurality of" refers to two or more than two, unless otherwise explicitly limited. The terms "installation", "connection", "connection", "fixing" and the like should be understood in a broad sense. For example, "connection" can be fixed connection, or detachable connection, or integrally connected; "connection" can be direct connection, or indirect connection through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0036] In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", etc., 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 unit 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.
[0037] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0038] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A process equipment for installing a floating oil seal in a walking device, comprising a positioning ring, characterized in that, The inner wall or outer wall of the positioning ring is provided with a ring groove; The part of the positioning ring below the ring groove is a rubber ring pressing part; A transition surface is arranged between the end face of the rubber ring pressing part close to the ring groove and the end face of the rubber ring pressing part away from the bottom of the ring groove; The positioning ring is made of elastic material, and the positioning ring is provided with a slit.
2. The process equipment for installing a floating oil seal in a walking device according to claim 1, characterized in that, A pressing sleeve is further included, the pressing sleeve is annular, the lower end face of the pressing sleeve is provided with a protruding limiting ring, the limiting ring can cooperate with the wall of the positioning ring without a ring groove, and the lower end face of the pressing sleeve can be in contact with the end face of the positioning ring.
3. The process equipment for installing a floating oil seal in a walking device according to claim 1, characterized in that, The transition surface is a round corner transition surface.
4. The process equipment for installing a floating oil seal in a walking device according to claim 2, wherein The positioning ring is made of PVC material, and the pressing sleeve is made of PVC material.
Citation Information
Patent Citations
A pressure equipment frock and oil blanket installing the system for installing floating oil seal
CN208528997U