Self-cooled high-temperature oil cylinder

Abstract

The utility model discloses a self-cooling type high-temperature oil cylinder. A hydraulic oil cylinder body; the protective shell is arranged on the outer surface of the hydraulic oil cylinder body; the first annular cavity is formed in the side wall of the hydraulic oil cylinder body; the first cooling pipe is wound in the first annular cavity; the second cooling pipe is wound on the inner wall surface of the protective shell; the connecting assembly is arranged in the protective shell and communicates with the first cooling pipe and the second cooling pipe, under the action of the connecting assembly, external cooling liquid supply equipment can convey cooling liquid into the first cooling pipe and the second cooling pipe, the hydraulic oil cylinder body can be cooled, and the cooling effect of the hydraulic oil cylinder body is improved. Hydraulic oil in the hydraulic oil cylinder body is prevented from generating high temperature to affect use, and convenience is brought to people.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic oil cylinders, in particular to a self-cooling high-temperature oil cylinder. Background Art

[0002] In today's hydraulic transmission technology industry, hydraulic cylinders are used to drive the actuators, and stepless speed changes can be achieved within the travel range during operation.

[0003] However, current hydraulic cylinders usually lack a cooling structure, making it difficult to cool the hydraulic cylinders, and the hydraulic cylinders are difficult to operate in high temperature environments. Utility Model Content

[0004] In order to solve the above problems, that is, to solve the problems raised by the above background technology, the utility model proposes a self-cooling high-temperature oil cylinder, including:

[0005] Hydraulic cylinder body;

[0006] A protective shell is provided on the outer surface of the hydraulic cylinder body;

[0007] A first annular cavity is formed in the side wall of the hydraulic cylinder body;

[0008] A first cooling pipe, wound in the first annular cavity;

[0009] A second cooling pipe is wound around the inner wall surface of the protective shell;

[0010] The connecting assembly is arranged in the protective shell and is respectively connected with the first cooling pipe and the second cooling pipe.

[0011] Preferably, the connection assembly comprises a first tee and a second tee, and the first tee and the second tee are both fixedly mounted on the outer surface of the hydraulic cylinder body;

[0012] One end of the first three-way connection penetrates the outer wall of the protective shell, and the other two ends are respectively connected to the liquid inlet ends of the first cooling pipe and the second cooling pipe;

[0013] One end of the second three-way connection passes through the outer wall of the protective shell, and the other two ends are respectively connected to the liquid outlet ends of the first cooling pipe and the second cooling pipe.

[0014] Preferably, a second annular cavity is formed in the side wall of the protective shell, and a heat insulation layer is provided in the second annular cavity.

[0015] Preferably, the first cooling tube and the second cooling tube are both made of copper tubes.

[0016] Preferably, a first oil pipe and a second oil pipe are provided on the outer side wall of the hydraulic cylinder body, one end of the first oil pipe and the second oil pipe are both connected to the hydraulic cylinder body, and the other end thereof passes through the protective shell.

[0017] The beneficial technical effect of the utility model is that: under the action of the connecting assembly, the external coolant supply device can transport the coolant to the first cooling pipe and the second cooling pipe, so that the hydraulic cylinder body can be cooled down to prevent the hydraulic oil in the hydraulic cylinder body from generating high temperature and affecting the use;

[0018] At the same time, under the effect of the heat insulation layer, the high temperature from the outside can be further blocked, so that the hydraulic cylinder body can be used normally in a high temperature environment from the outside, bringing convenience to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the front cross-sectional structure of the utility model is shown.

[0020] Figure numerals: 1, hydraulic cylinder body, 2, protective shell, 3, first annular cavity, 4, first cooling pipe, 5, second cooling pipe, 6, first tee, 7, second tee, 8, second annular cavity, 9, thermal insulation layer, 10, first oil pipe, 11, second oil pipe. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0022] The utility model provides a self-cooling high-temperature oil cylinder, comprising:

[0023] Hydraulic cylinder body 1;

[0024] A protective shell 2 is provided on the outer surface of the hydraulic cylinder body 1;

[0025] The protective shell 2 is fixedly mounted on the outer surface of the hydraulic cylinder body 1 and can be fixed relatively thereto;

[0026] A first annular cavity 3 is formed in the side wall of the hydraulic cylinder body 1;

[0027] A first cooling tube 4 is wound in the first annular cavity 3;

[0028] The second cooling pipe 5 is wound on the inner wall surface of the protective shell 2;

[0029] A connecting assembly is disposed in the protective shell 2 and is connected to the first cooling pipe 4 and the second cooling pipe 5 respectively;

[0030] The connecting component is connected to the external coolant supply device, so that the coolant supply device can deliver the coolant to the first cooling pipe 4 and the second cooling pipe 5. The first cooling pipe 4 can cool the hydraulic cylinder body 1, and the second cooling pipe 5 can further cool the hydraulic cylinder body 1 to improve the cooling effect.

[0031] Specifically, the connection assembly includes a first tee 6 and a second tee 7, and the first tee 6 and the second tee 7 are both fixedly mounted on the outer surface of the hydraulic cylinder body 1;

[0032] One end of the first tee 6 penetrates the outer wall of the protective shell 2, and the other two ends are respectively connected to the liquid inlet ends of the first cooling pipe 4 and the second cooling pipe 5;

[0033] Under the action of a three-way connection 6, the coolant can be transported to the first cooling pipe 4 and the second cooling pipe 5 respectively;

[0034] One end of the second three-way pipe 7 penetrates the outer wall of the protective shell 2, and the other two ends are respectively connected to the liquid outlet ends of the first cooling pipe 4 and the second cooling pipe 5;

[0035] Under the action of the second three-way connection 7 , the coolant in the first cooling pipe 4 and the second cooling pipe 5 can flow out of the first cooling pipe 4 and the second cooling pipe 5 .

[0036] Specifically, a second annular cavity 8 is formed in the side wall of the protective shell 2. A heat insulating layer 9 is provided in the second annular cavity 8. The heat insulating layer 9 is made of asbestos and can block the external temperature.

[0037] Specifically, the first cooling tube 4 and the second cooling tube 5 are both made of copper tubes.

[0038] Specifically, a first oil pipe 10 and a second oil pipe 11 are provided on the outer wall of the hydraulic cylinder body 1. One end of the first oil pipe 10 and the second oil pipe 11 are both connected to the hydraulic cylinder body 1, and the other end of each of the first oil pipe 10 and the second oil pipe 11 passes through the protective shell 2.

[0039] The first oil pipe 10 and the second oil pipe 11 can supply hydraulic oil to the hydraulic cylinder body 1 so that the telescopic end thereof can be extended or contracted.

[0040] Working principle: First, the staff connects one end of the first tee 6 and the second tee 7 to the external coolant supply equipment. At this time, the staff drives the coolant supply equipment to transport the coolant from the first tee 6 to the first cooling pipe 4 and the second cooling pipe 5 respectively. The first cooling pipe 4 and the second cooling pipe 5 can cool the hydraulic cylinder body 1 to prevent the external heat from corroding the hydraulic cylinder body 1 when the hydraulic cylinder body 1 is used in a high temperature environment. At the same time, the heat insulation layer 9 can block the external heat, which can further prevent the external heat from corroding the hydraulic cylinder body 1, bringing convenience to people.

[0041] Although the present invention has been described with reference to preferred embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0042] In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0043] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0044] The term "comprise" or any other similar term is intended to cover a non-exclusive inclusion, such that a process, article, or apparatus / device that includes a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, article, or apparatus / device.

[0045] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. Self-cooling high temperature oil cylinder, characterized in that: include; Hydraulic cylinder body (1); A protective shell (2) is arranged on the outer surface of the hydraulic cylinder body (1); A first annular cavity (3) is formed in the side wall of the hydraulic cylinder body (1); A first cooling pipe (4) is wound inside the first annular cavity (3); A second cooling pipe (5) is wound around the inner wall surface of the protective shell (2); A connecting assembly is arranged in the protective shell (2) and is respectively connected to the first cooling pipe (4) and the second cooling pipe (5).

2. The self-cooling high-temperature oil cylinder according to claim 1, characterized in that: The connection assembly comprises a first tee (6) and a second tee (7), wherein the first tee (6) and the second tee (7) are both fixedly mounted on the outer surface of the hydraulic cylinder body (1); One end of the first tee (6) passes through the outer wall of the protective shell (2), and the other two ends are respectively connected to the liquid inlet ends of the first cooling pipe (4) and the second cooling pipe (5); One end of the second tee (7) passes through the outer wall of the protective shell (2), and the other two ends are respectively connected to the liquid outlet ends of the first cooling pipe (4) and the second cooling pipe (5).

3. The self-cooling high-temperature oil cylinder according to claim 1, characterized in that: A second annular cavity (8) is formed in the side wall of the protective shell (2), and a heat insulation layer (9) is provided in the second annular cavity (8).

4. The self-cooling high-temperature oil cylinder according to claim 1, characterized in that: The first cooling tube (4) and the second cooling tube (5) are both made of copper tubes.

5. The self-cooling high-temperature oil cylinder according to claim 1, characterized in that: A first oil pipe (10) and a second oil pipe (11) are provided on the outer side wall of the hydraulic cylinder body (1); one end of the first oil pipe (10) and the second oil pipe (11) are both connected to the hydraulic cylinder body (1), and the other end thereof passes through the protective shell (2).

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