Hydraulic oil cylinder with cooling function

Abstract

The utility model relates to the technical field of hydraulic oil cylinders, and discloses a hydraulic oil cylinder with a cooling function, which is characterized in that a cooling fin is mounted on a cooling fin, a cooling fan is mounted on the outer side of the cooling fin, a small water pump is mounted at the rear end of a hydraulic oil cylinder body, and a mounting component is arranged at the rear end of the hydraulic oil cylinder body and positioned on the outer side of the cooling fin; one end of the coil pipe is connected with a water inlet pipe, and the other end is connected with a drain pipe; cooling water in the circular cooling disc can be cooled through the refrigeration piece, the small water pump pumps the cooling water in the circular cooling disc, then the cooling water is guided into the coil pipe through the drainage pipe, and therefore the cylinder body of the hydraulic oil cylinder body is subjected to heat dissipation and cooling; the cooling water in the coil pipe is guided into the circular cooling disc through the water inlet pipe, and the circulating cooling water is cooled through the refrigeration piece, so that the operation stability of the hydraulic oil cylinder body is maintained, it is guaranteed that the hydraulic oil cylinder body can normally operate in the high-temperature state, and the application range of the hydraulic oil cylinder body is widened.

Description

Technical Field

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

[0002] The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has a simple structure and reliable operation. When it is used to achieve reciprocating motion, the deceleration device can be eliminated, and there is no transmission gap, and the motion is smooth, so it is widely used in the hydraulic systems of various machines. The output force of the hydraulic cylinder is proportional to the effective area of ​​the piston and the pressure difference on both sides; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder head, a piston and a piston rod, a sealing device, a buffer device and an exhaust device. The buffer device and the exhaust device depend on the specific application, and other devices are indispensable.

[0003] Traditional hydraulic cylinders usually lack a cooling structure, making it difficult to cool the hydraulic cylinders. The hydraulic cylinders are difficult to operate in high temperature environments, which limits the application scope of the hydraulic cylinders. Therefore, a hydraulic cylinder with a cooling function is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a hydraulic cylinder with a cooling function to solve the problem mentioned in the above background technology that traditional hydraulic cylinders usually lack a cooling structure, it is difficult to cool the hydraulic cylinders, and the hydraulic cylinders are difficult to operate in a high temperature environment, resulting in a relatively limited application range of the hydraulic cylinders.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic cylinder with cooling function, comprising a hydraulic cylinder body, a cooling assembly being arranged at the rear end of the hydraulic cylinder body;

[0006] The cooling assembly includes a coil, a circular cooling plate and a refrigeration fin, the coil is surrounded by the outer side of the cylinder body of the hydraulic oil cylinder body, the circular cooling plate is fixedly connected to the rear end of the hydraulic oil cylinder body, the refrigeration fin is installed on the side of the circular cooling plate away from the hydraulic oil cylinder body, a heat conducting plate is installed on the refrigeration plate, a cooling fan is installed on the outer side of the heat conducting plate, a small water pump is installed at the rear end of the hydraulic oil cylinder body, and an installation assembly is provided at the rear end of the hydraulic oil cylinder body outside the refrigeration fin, one end of the coil is connected to a water inlet pipe, and the other end of the coil is connected to a drain pipe.

[0007] As a further preferred embodiment of the present technical solution: the installation assembly includes two fixing frames, fixing bolts and fixing columns, the two fixing frames are respectively fixedly connected to the rear end of the hydraulic cylinder body and are located at both ends of the refrigeration plate, the fixing bolts are connected to the fixing frames by threads, and the fixing columns are rotatably connected to one end of the fixing bolts.

[0008] As a further preferred embodiment of the present technical solution: one end of the water inlet pipe away from the coil is connected to the outside of the circular cooling plate, and one end of the drain pipe away from the coil is connected to the outside of the circular cooling plate.

[0009] As a further preferred embodiment of the present technical solution: the small water pump is connected to the drain pipe, and fins are provided on the heat conducting sheet.

[0010] As a further preferred embodiment of the present technical solution: a first internal threaded interface is provided at a bottom end of one side of the hydraulic cylinder body, and a second internal threaded interface is provided at a top end of one side of the hydraulic cylinder body.

[0011] As a further preferred embodiment of the present technical solution: the fixing column is L-shaped, and the fixing column abuts against the outer side of the refrigeration fin.

[0012] As a further preferred embodiment of the present technical solution: a mounting column is installed at the rear end of the hydraulic cylinder body, and the cooling fan is installed at one end of the mounting column.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the utility model can cool the cooling water inside the circular cooling disk through the refrigeration plate, a small water pump draws the cooling water in the circular cooling disk, and then introduces it into the inside of the coil through the drain pipe, thereby dissipating heat and cooling the cylinder of the hydraulic cylinder body, and the cooling water in the coil is then introduced into the inside of the circular cooling disk through the water inlet pipe, and the circulating cooling water is cooled by the refrigeration plate to maintain the stability of the operation of the hydraulic cylinder body, ensure that the hydraulic cylinder body can operate normally under high temperature conditions, and improve the application range of the hydraulic cylinder body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the rear end structure of the hydraulic cylinder body of the utility model;

[0017] Figure 3 This is a schematic diagram of the coil structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the heat conducting sheet of the utility model;

[0019] Figure 5 This is a schematic diagram of the fixed column structure of the utility model.

[0020] Explanation of the accompanying drawings: 1. Hydraulic cylinder body; 2. Coil; 3. Round cooling plate; 4. Refrigeration plate; 5. Heat conducting plate; 6. Mounting column; 7. Cooling fan; 8. Small water pump; 9. Fixing bracket; 10. Fixing bolt; 11. Fixing column; 12. Water inlet pipe; 13. Drain pipe; 14. Fin; 15. First internal thread interface; 16. Second internal thread interface. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0023] Example

[0024] See also Figure 1-5 The utility model provides a technical solution: a hydraulic cylinder with a cooling function, comprising a hydraulic cylinder body 1, and a cooling component is arranged at the rear end of the hydraulic cylinder body 1.

[0025] By setting up a cooling component, it can be ensured that the hydraulic cylinder body 1 can operate normally under high temperature conditions, thereby improving the application range of the hydraulic cylinder body 1; the cooling component includes a coil 2, a circular cooling plate 3 and a refrigeration plate 4, the coil 2 surrounds the outer side of the cylinder of the hydraulic cylinder body 1, the circular cooling plate 3 is fixedly connected to the rear end of the hydraulic cylinder body 1, the refrigeration plate 4 is installed on the side of the circular cooling plate 3 away from the hydraulic cylinder body 1, a heat conducting plate 5 is installed on the refrigeration plate 4, a cooling fan 7 is installed on the outer side of the heat conducting plate 5, a small water pump 8 is installed at the rear end of the hydraulic cylinder body 1, and the rear end of the hydraulic cylinder body 1 is located at the bottom of the cooling plate 4. An installation assembly is provided on the outer side of the refrigeration plate 4, one end of the coil 2 is connected to a water inlet pipe 12, and the other end of the coil 2 is connected to a drain pipe 13; the cooling water inside the circular cooling disk 3 can be cooled through the refrigeration plate 4, and the small water pump 8 draws the cooling water in the circular cooling disk 3, and then introduces it into the coil 2 through the drain pipe 13, so as to dissipate heat and cool the cylinder of the hydraulic cylinder body 1, and the cooling water in the coil 2 is then introduced into the circular cooling disk 3 through the water inlet pipe 12, and the circulating cooling water is cooled by the refrigeration plate 4 to maintain the stability of the operation of the hydraulic cylinder body 1.

[0026] By setting up the installation component, the refrigeration plate 4 can be easily maintained; the installation component includes two fixing frames 9, fixing bolts 10 and fixing columns 11, the two fixing frames 9 are respectively fixedly connected to the rear end of the hydraulic cylinder body 1 and are located at both ends of the refrigeration plate 4, the fixing bolts 10 are connected to the fixing frames 9 by threads, and the fixing columns 11 are rotatably connected to one end of the fixing bolts 10, and the shape of the fixing columns 11 is L-shaped, and the fixing columns 11 are in contact with the outside of the refrigeration plate 4; by rotating the fixing bolts 10, the fixing bolts 10 drive one side of the fixing columns 11 to detach from the outside of the refrigeration plate 4, and the refrigeration plate 4 can be disassembled.

[0027] One end of the water inlet pipe 12 away from the coil 2 is connected to the outside of the circular cooling disk 3, and one end of the drain pipe 13 away from the coil 2 is connected to the outside of the circular cooling disk 3. The small water pump 8 is connected to the drain pipe 13. The small water pump 8 draws cooling water in the circular cooling disk 3 through the drain pipe 13, and then introduces it into the inside of the coil 2 through the drain pipe 13. The cooling water in the coil 2 is then introduced into the inside of the circular cooling disk 3 through the water inlet pipe 12 to form a cooling water circulation. A mounting column 6 is installed at the rear end of the hydraulic cylinder body 1, and a cooling fan 7 is installed at one end of the mounting column 6. The cooling fan 7 is used to dissipate heat on the heat conducting plate 5 to ensure the normal operation of the refrigeration plate 4.

[0028] Fins 14 are provided on the heat conducting plate 5, and the heat conducting plate 5 can absorb the heat from the other side of the refrigeration plate 4, and the heat is discharged outward through the fins 14 on the heat conducting plate 5. A first internal threaded interface 15 is provided at the bottom end of one side of the hydraulic cylinder body 1, and a second internal threaded interface 16 is provided at the top end of one side of the hydraulic cylinder body 1. The first internal threaded interface 15 and the second internal threaded interface 16 facilitate the connection between the hydraulic cylinder body 1 and the oil pipe of the pump station.

[0029] Working principle or structural principle, when the hydraulic cylinder body 1 is running, by connecting the power supply of the refrigeration plate 4, and then controlling the cooling fan 7 and the small water pump 8 to start through the switch group, the refrigeration plate 4 can cool the cooling water inside the circular cooling plate 3, and the small water pump 8 extracts the cooling water in the circular cooling plate 3 through the drain pipe 13, and then introduces it into the inside of the coil 2 through the drain pipe 13, so as to dissipate heat and cool the cylinder of the hydraulic cylinder body 1, and the cooling water in the coil 2 is then introduced into the inside of the circular cooling plate 3 through the water inlet pipe 12, and the circulating cooling water is cooled by the refrigeration plate 4. Cooling is performed to maintain the operating stability of the hydraulic cylinder body 1 and ensure that the hydraulic cylinder body 1 can operate normally under high temperature conditions; the heat conducting sheet 5 can absorb the heat from the other side of the cooling sheet 4, and the heat is discharged outwardly through the fins 14 on the heat conducting sheet 5, and then the heat is dissipated from the heat conducting sheet 5 through the cooling fan 7 to ensure the normal operation of the cooling sheet 4; when the cooling sheet 4 needs to be disassembled, the fixing bolt 10 is rotated so that the fixing bolt 10 drives one side of the fixing column 11 to detach from the outer side of the cooling sheet 4, and the cooling sheet 4 can be disassembled to facilitate the maintenance of the cooling sheet 4.

[0030] So far, the embodiments of the utility model have been described in detail in conjunction with the accompanying drawings. It should be noted that the implementation methods not shown or described in the drawings or the body of the specification are all forms known to ordinary technicians in the relevant technical field and are not described in detail. In addition, the above definitions of each component are not limited to the various specific structures, shapes or methods mentioned in the embodiments, and ordinary technicians in the field can simply change or replace them.

[0031] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.

[0032] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydraulic cylinder with cooling function, comprising a hydraulic cylinder body (1), characterized in that: A cooling assembly is provided at the rear end of the hydraulic cylinder body (1); The cooling assembly comprises a coil (2), a circular cooling plate (3) and a cooling fin (4); the coil (2) surrounds the outer side of the cylinder body of the hydraulic oil cylinder body (1); the circular cooling plate (3) is fixedly connected to the rear end of the hydraulic oil cylinder body (1); the cooling fin (4) is installed on the side of the circular cooling plate (3) away from the hydraulic oil cylinder body (1); a heat conducting plate (5) is installed on the cooling fin (4); a cooling fan (7) is installed on the outer side of the heat conducting plate (5); a small water pump (8) is installed at the rear end of the hydraulic oil cylinder body (1); a mounting assembly is arranged on the outer side of the cooling fin (4) at the rear end of the hydraulic oil cylinder body (1); one end of the coil (2) is connected to a water inlet pipe (12); and the other end of the coil (2) is connected to a drain pipe (13).

2. The hydraulic cylinder with cooling function according to claim 1, characterized in that: The mounting assembly comprises two fixing frames (9), fixing bolts (10) and fixing columns (11); the two fixing frames (9) are respectively fixedly connected to the rear end of the hydraulic cylinder body (1) and are located at both ends of the refrigeration plate (4); the fixing bolts (10) are connected to the fixing frames (9) by threads; and the fixing columns (11) are rotatably connected to one end of the fixing bolts (10).

3. The hydraulic cylinder with cooling function according to claim 1, characterized in that: One end of the water inlet pipe (12) away from the coil (2) is connected to the outside of the circular cooling plate (3), and one end of the drain pipe (13) away from the coil (2) is connected to the outside of the circular cooling plate (3).

4. The hydraulic cylinder with cooling function according to claim 1, characterized in that: The small water pump (8) is connected to a drainage pipe (13), and fins (14) are provided on the heat conducting sheet (5).

5. The hydraulic cylinder with cooling function according to claim 1, characterized in that: A first internal threaded interface (15) is provided at the bottom end of one side of the hydraulic cylinder body (1), and a second internal threaded interface (16) is provided at the top end of one side of the hydraulic cylinder body (1).

6. The hydraulic cylinder with cooling function according to claim 2, characterized in that: The fixing column (11) is L-shaped, and the fixing column (11) abuts against the outer side of the refrigeration fin (4).

7. The hydraulic cylinder with cooling function according to claim 1, characterized in that: A mounting column (6) is installed at the rear end of the hydraulic cylinder body (1), and the cooling fan (7) is installed at one end of the mounting column (6).

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