CN217633627U

CN217633627U - Silicon oil shock absorber for cab

Info

Publication number: CN217633627U
Application number: CN202221830679.3U
Authority: CN
Inventors: 胡巍
Original assignee: Wuxi Runfu Damping Equipment Co ltd
Current assignee: Wuxi Runfu Damping Equipment Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-10-21
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a driver's cabin silicone oil bumper shock absorber relates to bumper shock absorber technical field, and to current silicone oil bumper shock absorber, the function singleness, yielding rubber life is short, and the leakproofness is relatively poor, and the reliability is low, has increased maintenance and use cost, and the poor problem of result of use now proposes following scheme, which comprises an outer shell, be equipped with the inner core in the shell, the top sliding connection of shell has stud, stud with inner core looks adaptation, be equipped with the rubber spare in the shell, the bottom of inner core is equipped with the damping plate, be equipped with the oil pocket on the bottom side inner wall of shell. The utility model discloses utilize ageing-resistant, high strength natural rubber as shock attenuation raw materials, the shock attenuation is effectual, the good reliability, and the bumper shock absorber adopts high-pressure sealing technique, and is sealed effectual, and special processing handles to work in inclosed oil bath environment, long service life is worth using widely.

Description

Silicon oil shock absorber for cab

Technical Field

The utility model relates to a bumper shock absorber technical field especially relates to driver's cabin silicon oil bumper shock absorber.

Background

The silicone oil shock absorber is a device for isolating and reducing vibration, and is widely applied to the field of shock absorption and isolation of engineering machinery, in particular to vibration isolation of a cab. In order to alleviate the vibration and impact generated during the running and operation of the excavator and improve the service life, operation stability and comfort of the excavator, a cab silicone oil damper is needed.

However, the existing silicone oil shock absorber has the defects of single function, short service life of shock-absorbing rubber, poor sealing property, low reliability, increased maintenance and use cost and poor use effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current silicone oil shock absorber, the function singleness, the yielding rubber life is short, and the leakproofness is relatively poor, and the reliability is low, has increased maintenance and use cost, the poor shortcoming of result of use, and the driver's cabin silicone oil shock absorber that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

cab silicone oil shock absorber, including the shell, be equipped with the inner core in the shell, the top sliding connection of shell has stud, stud with inner core looks adaptation, be equipped with the rubber spare in the shell, the bottom of inner core is equipped with the damping plate, be equipped with the oil pocket on the bottom side inner wall of shell.

In a preferred embodiment, silicone oil is provided in the oil chamber.

In a preferred embodiment, a thread groove is formed in the inner core, a group of internal threads are formed in the thread groove, two groups of external threads are formed on the stud bolt, and the internal threads are meshed with the external threads located below the stud bolt.

In a preferred embodiment, impact-resistant rubber is provided on the housing.

In a preferred embodiment, the viscosity of the silicone oil is 50000 rics, and the temperature of the working environment is controlled between-40 ℃ and 60 ℃.

In a preferred embodiment, the damping plate is provided with a damping hole.

In the utility model, when the cab generates vibration, the shock absorber supporting the cab is connected with the inner core, the inner core is integrally formed by rubber vulcanization, and generates elastic force through compression, thereby achieving the purpose of damping vibration;

in the utility model, the vibration of the cab silicon oil damper can be transmitted to the damping plate, the damping plate generates downward displacement in the damping silicon oil along with the vibration, when the displacement is reduced, the silicon oil passes through the damping hole to generate the pore effect to provide the damping force, the damping force is equivalent, the kinetic energy is converted into the heat energy, and the consumed vibration energy achieves the vibration isolation effect;

the utility model discloses utilize ageing-resistant, high strength natural rubber as shock attenuation raw materials, the shock attenuation is effectual, the good reliability, and the bumper shock absorber adopts high-pressure sealing technique, and is sealed effectual, and special processing handles to work in inclosed oil bath environment, long service life is worth using widely.

Drawings

Fig. 1 is a schematic perspective view of a silicone oil shock absorber for a cab according to the present invention;

fig. 2 is a schematic sectional view of a front view of the silicone oil shock absorber for a cab according to the present invention.

In the figure: 1. a stud bolt; 2. an inner core; 3. a housing; 4. a rubber member; 5. a damping plate; 6. an oil chamber; 7. impact-resistant rubber.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, the present solution provides an embodiment: cab silicone oil shock absorber, including shell 3, be equipped with inner core 2 in the shell 3, the top sliding connection of shell 3 has stud 1, and stud 1 and inner core 2 looks adaptation are equipped with rubber spare 4 in the shell 3, and the bottom of inner core 2 is equipped with damping plate 5, is equipped with oil pocket 6 on the bottom side inner wall of shell 3.

Referring to fig. 1, in the present embodiment, silicone oil is provided in the oil chamber 6.

Referring to fig. 1, in this embodiment, a thread groove is formed on the inner core 2, a set of internal threads is formed in the thread groove, and two sets of external threads are formed on the stud bolt 1 and are engaged with the external threads located below the internal threads.

Referring to fig. 1, in this embodiment, an impact-resistant rubber 7 is provided on the housing 3, and the housing 3 is protected.

Referring to fig. 1, in the embodiment, the viscosity of the silicone oil is 50000 rics, the temperature of the working environment is controlled to be-40 ℃ to 60 ℃, and the using effect is improved.

Referring to fig. 2, in this embodiment, the damping plate 5 is provided with damping holes for facilitating the flow of the silicone oil.

In the utility model, the surfaces of the metal pieces except the bolts are black, and the metal pieces are free from the defects of rust, white exposure, scratch and the like; the material of the rubber part 4 is 830D-0600019G, natural rubber NR, and the rubber hardness is 38 +/-3 HA;830D-0600019G-SY35 natural rubber NR and 42 +/-3 HA of rubber hardness, wherein the rubber use environment is-40-60 ℃, and the product is required to work normally at the environment temperature; the type of the silicone oil is damping oil (dimethyl silicone oil), the viscosity of the silicone oil is 50000 rics, and the product can normally work at the temperature of minus 40-60 ℃; axial static stiffness 830D-0600019G rated load 600N, static stiffness 250N/mm +/-10%; axial static stiffness 830D-0600019G-SY35 rated load 850N, static stiffness 300N/mm +/-10%; the natural frequency is 10 + -5 Hz.

According to the working principle, silicone oil is filled in the oil cavity 6, in the working process, when a cab vibrates, a shock absorber supporting the cab is connected with the inner core 2, the inner core 2 is integrally formed by vulcanizing rubber, elastic force is generated by compression, the purpose of damping vibration is achieved, meanwhile, the vibration can be transmitted to the damping plate 5, the damping plate 5 generates downward displacement in the damping silicone oil along with the vibration, the silicone oil penetrates through the damping holes when the displacement is reduced, a pore effect is generated, the damping force is provided, the damping force is equivalent, kinetic energy is converted into heat energy, and the vibration isolation effect is achieved by consuming the vibration energy; the impact-resistant rubber 7 can play a supporting role, and when the excavator encounters large impact, the cab cannot descend infinitely, so that the cab and members are protected.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. Driver's cabin silicon oil bumper shock absorber, including shell (3), its characterized in that: be equipped with inner core (2) in shell (3), the top sliding connection of shell (3) has stud (1), stud (1) with inner core (2) looks adaptation, be equipped with rubber spare (4) in shell (3), the bottom of inner core (2) is equipped with damping plate (5), be equipped with oil pocket (6) on the bottom side inner wall of shell (3).

2. The cab silicone oil shock absorber according to claim 1, characterized in that: and silicone oil is arranged in the oil cavity (6).

3. The cab silicone oil damper according to claim 1, characterized in that: be equipped with the thread groove on inner core (2), be equipped with a set of internal thread in the thread groove, be equipped with two sets of external screw threads on stud (1), the internal thread meshes with the external screw thread that is located the below mutually.

4. The cab silicone oil shock absorber according to claim 1, characterized in that: and the shell (3) is provided with impact-resistant rubber (7).

5. The cab silicone oil damper according to claim 2, characterized in that: the viscosity of the silicone oil is 50000 rics, and the temperature of the working environment is controlled between-40 ℃ and 60 ℃.

6. The cab silicone oil shock absorber according to claim 1, characterized in that: and the damping plate (5) is provided with damping holes.