CN215367508U

CN215367508U - Hydraulic oil cooling and adjusting mechanism of excavator radiator

Info

Publication number: CN215367508U
Application number: CN202121039975.7U
Authority: CN
Inventors: 郑永忠
Original assignee: Fujian Xinyuan Heavy Industry Co ltd
Current assignee: Fujian Xinyuan Heavy Industry Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-12-31
Anticipated expiration: 2031-05-14

Abstract

The utility model relates to the technical field of excavators, in particular to a hydraulic oil cooling and adjusting mechanism of an excavator radiator, which structurally comprises: the oil pumping device comprises a radiator, a first oil pipe, an oil temperature thermostat, a back pressure valve and a second oil pipe, wherein oil is pumped firstly through a hydraulic oil pipe main pipe, then the oil flow entering the first oil pipe and the second oil pipe is automatically regulated through the oil temperature thermostat according to the oil flow rate of the oil, when the oil temperature is lower than a set temperature, the oil is completely communicated to the back pressure valve, then the oil flows to an oil tank through the second oil pipe, when the oil temperature is higher than the set temperature, the oil is not communicated through the second oil pipe, the oil flows to the oil tank through the first oil pipe, and is subjected to precooling and cooling treatment of the radiator during flowing, otherwise, in cold winter, the oil at lower temperature is returned to an engine to circularly flow under the action of the oil temperature thermostat, so that the oil is easier to flow and transmit, the oil has a better effect of transmitting the hydraulic oil, thereby realizing the normal and universal work of pipelines of the hydraulic system all the year round, and having higher adaptability.

Description

Hydraulic oil cooling and adjusting mechanism of excavator radiator

Technical Field

The utility model relates to the technical field of excavators, in particular to a hydraulic oil cooling and adjusting mechanism of an excavator radiator.

Background

Excavator hydraulic system on the market usually only adopts the single pipeline transmission, and is relatively poor to the processing of hydraulic oil, is difficult to adapt to the change of season weather, especially meets hot summer or cold weather in winter, and hydraulic oil is difficult to normal operating transmission because the oil temperature is hotter in summer, and winter is difficult to come because the lower oil pressure of temperature is more than, and these greatly influence hydraulic system's normal work, influence the whole work of equipment even, and adaptability is relatively poor.

SUMMERY OF THE UTILITY MODEL

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The utility model aims to overcome the above-mentioned not enough, provide excavator radiator hydraulic oil cooling adjustment mechanism.

In order to achieve the purpose, the technical solution of the utility model is as follows: excavator radiator hydraulic oil cooling adjustment mechanism, its structure includes: the oil temperature thermostat and the backpressure valve are provided with a hydraulic oil way main pipe at one side far away from the first oil pipe and the second oil pipe, and the first oil pipe and the second oil pipe are respectively connected with an oil tank.

Preferably, the heat sink is a heat dissipation fan mechanism.

Preferably, three pipelines which are not communicated with oil, are throttled to be communicated with oil and are completely communicated with oil are respectively arranged in the oil temperature thermostat.

Preferably, the hydraulic oil in the second oil pipe flows directly to the oil tank.

Preferably, the first oil pipe bypasses the radiator and flows to the oil tank.

By adopting the technical scheme, the utility model has the beneficial effects that: firstly pumping oil through a hydraulic oil way main pipe, then automatically adjusting the oil passing amount of the first oil pipe and the second oil pipe according to the oil temperature by an oil temperature thermostat, when the oil temperature is lower than a set temperature, completely passing the oil way to a back pressure valve, then passing the oil way to an oil tank by the second oil pipe, when the oil temperature is higher than the set temperature, the second oil pipe does not pass the oil, passes the first oil pipe and flows to the oil tank, and precooling and cooling treatment is carried out on the oil during flowing, otherwise, in cold winter, the oil with lower temperature is returned to an engine to circularly flow under the action of the oil temperature thermostat, so that the oil is easier to flow and transmit, and the hydraulic system has better hydraulic oil transmission effect, thereby realizing normal and universal work of the pipelines of the hydraulic system in four seasons, and has higher adaptability.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Undoubtedly, such and other objects of the present invention will become more apparent after a detailed description of the preferred embodiments described below with reference to the various drawings and drawings.

These and other objects, features and advantages of the present invention will become more apparent from the following detailed description of one or more preferred embodiments, taken in conjunction with the accompanying drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.

In the drawings, like parts are designated with like reference numerals, and the drawings are schematic and not necessarily drawn to scale.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only one or several embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of a hydraulic oil cooling adjustment mechanism of a radiator of an excavator according to the present invention;

FIG. 2 is a schematic diagram of a cooling process of hydraulic oil according to the present invention.

Description of the main reference numerals: the device comprises a radiator-1, a first oil pipe-2, an oil temperature thermostat-3, a backpressure valve-4 and a second oil pipe-5.

Detailed Description

The following detailed description will be provided with reference to the accompanying drawings and embodiments, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, unless conflicting, the embodiments and features of the embodiments in the present application may be combined with each other, and the technical solutions formed are all within the scope of the present application.

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present embodiments. It will be apparent, however, to one skilled in the art that the present invention may be practiced without these specific details or with a specific implementation described herein.

Referring to fig. 1-2, the present invention provides a cooling and adjusting mechanism for hydraulic oil of a radiator of an excavator, which comprises: the oil temperature thermostat comprises a radiator 1, a first oil pipe 2, an oil temperature thermostat 3, a back pressure valve 4 and a second oil pipe 5, wherein the back pressure valve 4 is installed on one side of the oil temperature thermostat 3, the second oil pipe 5 is connected with the back pressure valve 4, the first oil pipe 2 is connected with the oil temperature thermostat 3, the first oil pipe 2 is tightly attached to the radiator 1, a hydraulic oil way main pipe is installed on one side, away from the first oil pipe 2 and the second oil pipe 5, of the oil temperature thermostat 3 and the back pressure valve 4, the first oil pipe 2 and the second oil pipe 5 are respectively connected with an oil tank, the radiator 1 adopts a radiating fan mechanism, three pipelines which are not communicated with oil, are communicated with the oil in a throttling mode, are respectively arranged in the oil temperature thermostat 3, the hydraulic oil in the second oil pipe 5 directly flows to the oil tank, and the first oil pipe 2 bypasses the radiator 1 and then flows to the oil tank.

When the pipeline device is used, oil is firstly pumped through a hydraulic oil way main pipe, then the oil temperature thermostat 3 automatically adjusts the oil passing amount of the oil entering the first oil pipe 2 and the second oil pipe 5 according to the oil temperature, when the oil temperature is lower than a set temperature, the oil passes through the oil way to the backpressure valve 4 completely, then the oil flows to the oil tank through the second oil pipe 5, when the oil temperature is higher than the set temperature, the oil is not passed through the second oil pipe 5 and flows to the oil tank through the first oil pipe 2, and the oil is subjected to precooling and cooling treatment by the radiator 1 during the flowing period, otherwise, when the oil is in cold winter, the oil with lower temperature returns to the engine to flow circularly under the action of the oil temperature thermostat 3, so that the pipeline device has a better hydraulic oil transmission effect.

It is to be understood that the embodiments disclosed herein are not limited to the particular process steps or materials disclosed herein, but rather, are extended to equivalents thereof as would be understood by those of ordinary skill in the relevant art. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only, and is not intended to be limiting.

Reference in the specification to "an embodiment" means that a particular feature, or characteristic described in connection with the embodiment is included in at least one embodiment of the utility model. Thus, the appearances of the phrase or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.

Furthermore, the described features or characteristics may be combined in any other suitable manner in one or more embodiments. In the above description, certain specific details are provided, such as thicknesses, amounts, etc., to provide a thorough understanding of embodiments of the present invention. One skilled in the relevant art will recognize, however, that the utility model may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth.

Claims

1. Excavator radiator hydraulic oil cooling adjustment mechanism, its characterized in that, its structure includes: radiator (1), first oil pipe (2), oil temperature thermostat (3), back pressure valve (4), second oil pipe (5), install in oil temperature thermostat (3) one side back pressure valve (4), second oil pipe (5) are connected with back pressure valve (4), first oil pipe (2) are connected with oil temperature thermostat (3), first oil pipe (2) hug closely at radiator (1), oil temperature thermostat (3) and back pressure valve (4) are installed hydraulic pressure oil circuit house steward in the one side of keeping away from first oil pipe (2) and second oil pipe (5), first oil pipe (2) and second oil pipe (5) are connected with the oil tank respectively.

2. The excavator radiator hydraulic oil cooling adjustment mechanism of claim 1, wherein: the radiator (1) adopts a radiating fan mechanism.

3. The excavator radiator hydraulic oil cooling adjustment mechanism of claim 1, wherein: three pipelines which are not communicated with oil, are throttled and are communicated with oil and are completely communicated with oil are respectively arranged in the oil temperature thermostat (3).

4. The excavator radiator hydraulic oil cooling adjustment mechanism of claim 1, wherein: the hydraulic oil in the second oil pipe (5) directly flows to the oil tank.

5. The excavator radiator hydraulic oil cooling adjustment mechanism of claim 1, wherein: the first oil pipe (2) bypasses the radiator (1) and then flows to the oil tank.