Hydraulic oil cylinder with leakage early warning function

Abstract

The hydraulic oil cylinder with the leakage early warning function comprises an oil tank, the front side of the oil tank is fixedly connected with a control cabinet, the front position of the top of the oil tank is fixedly connected with a hydraulic pump, the input end of the hydraulic pump is communicated with an oil suction pipe, and the oil suction pipe penetrates to the bottom of the inner wall of the oil tank. The output end of the hydraulic pump communicates with a connecting pipe, the rear side of the connecting pipe communicates with a four-way electromagnetic reversing valve, and the bottom of the four-way electromagnetic reversing valve is fixedly connected with the rear position of the top of the oil tank. Firstly, the hydraulic oil cylinder is detected through the liquid flowmeter, the temperature sensor and the pressure sensor, data are analyzed and judged through the control terminal, and when the control terminal judges that the hydraulic oil cylinder leaks, the hydraulic pump is closed, the four-way electromagnetic reversing valve is closed, and the hydraulic oil cylinder leaks. And meanwhile, an alarm lamp and a buzzer are used for carrying out early warning reminding on a worker, so that the effect of having a leakage early warning function is achieved.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic cylinder technology, specifically a hydraulic cylinder with a leakage warning function. Background Technology

[0002] A hydraulic cylinder is an actuator used to convert hydraulic energy into mechanical energy. It is widely used in the hydraulic systems of various machines. A hydraulic cylinder, also known as a hydraulic cylinder, is a device used to convert fluid pressure into mechanical motion. It controls the movement of the machine by changing the pressure and flow rate of the liquid, thereby realizing reciprocating linear motion or rotary motion. The basic structure of a hydraulic cylinder includes a cylinder barrel, cylinder head, piston and piston rod, sealing device, buffer device and venting device, etc. These components work together to ensure that the hydraulic cylinder can efficiently convert energy and maintain stable operation.

[0003] Hydraulic cylinders are used in the operation of large mechanical equipment. During use, hydraulic cylinders may leak due to poor sealing, wear, contamination, improper installation, and the influence of the working environment. Currently, hydraulic cylinders lack a leak warning structure, and because hydraulic cylinders are mostly installed inside the equipment, initial leaks are difficult to observe with the naked eye, making it impossible to deal with leaks in a timely manner.

[0004] Therefore, the hydraulic cylinder needs to be redesigned to include a leakage warning structure. Utility Model Content

[0005] To address the problems mentioned in the background section, the present invention aims to provide a hydraulic cylinder with a leakage warning function. This cylinder possesses the advantages of a leakage warning structure and solves the problem that current hydraulic cylinders lack a leakage warning structure, and because hydraulic cylinders are mostly installed inside equipment, initial leakage is difficult to observe with the naked eye, leading to the inability to handle leakage in a timely manner.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a hydraulic cylinder with a leakage warning function, including an oil tank, a control cabinet fixedly connected to the front side of the oil tank, a hydraulic pump fixedly connected to the top front position of the oil tank, an oil suction pipe connected to the input end of the hydraulic pump, the oil suction pipe extending to the bottom of the inner wall of the oil tank, a connecting pipe connected to the output end of the hydraulic pump, and a four-way solenoid directional valve connected to the rear side of the connecting pipe;

[0007] The bottom of the four-way solenoid directional valve is fixedly connected to the rear of the top of the oil tank. The bottom of the four-way solenoid directional valve is connected to a return oil pipe, and the bottom of the return oil pipe extends to the top of the inner wall of the oil tank. The rear side of the four-way solenoid directional valve is connected to an oil supply pipe. A liquid flow meter is installed on the surface of the oil supply pipe near the four-way solenoid directional valve. The rear side of the oil supply pipe is connected to a hydraulic cylinder.

[0008] Temperature sensors are fixedly connected to the upper and lower positions on the left side of the hydraulic cylinder, and pressure sensors are fixedly connected to the upper and lower positions on the right side of the hydraulic cylinder.

[0009] As a preferred embodiment of this utility model, a control terminal is fixedly connected to the middle position of the rear side of the inner wall of the control cabinet, an alarm light is fixedly connected to the top of the control cabinet, and a buzzer is fixedly connected to the lower position of the rear side of the inner wall of the control cabinet.

[0010] As a preferred embodiment of this utility model, a G module is fixedly connected to the upper rear side of the inner wall of the control cabinet, and a signal transmitter is fixedly connected to the left side of the control cabinet.

[0011] As a preferred embodiment of this utility model, a filter screen is fitted at the bottom of the oil return pipe, and the top of the filter screen is fixedly connected to the top of the inner wall of the oil tank.

[0012] As a preferred embodiment of this utility model, the front side of the control cabinet is movably connected to a cabinet door via a pin, and the front side of the cabinet door is provided with heat dissipation holes.

[0013] As a preferred embodiment of this invention, the fuel tank is made of stainless steel and has a rectangular shape.

[0014] As a preferred embodiment of this invention, the control cabinet is made of aluminum alloy and has a rectangular shape.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] 1. This utility model first detects the hydraulic cylinder using a liquid flow meter, temperature sensor, and pressure sensor. The data is then analyzed and judged by a control terminal. When the control terminal determines that the hydraulic cylinder is leaking, it shuts down the hydraulic pump, closes the four-way solenoid directional valve, and simultaneously uses an alarm light and a buzzer to warn and remind the staff, thereby achieving the effect of leakage warning function.

[0017] 2. This utility model, by setting an alarm light and a buzzer, can emit light and sound when the hydraulic cylinder leaks, making it convenient for users. Attached Figure Description

[0018] Figure 1 This is a perspective view of the fuel tank structure of this utility model;

[0019] Figure 2 This is a front sectional view of the control cabinet structure of this utility model;

[0020] Figure 3 This is a rear sectional view of the hydraulic cylinder structure of this utility model;

[0021] Figure 4 This is a rear sectional view of the fuel tank structure of this utility model;

[0022] Figure 5 This is a diagram of the early warning structure system of this utility model.

[0023] In the diagram: 1. Oil tank; 2. Control cabinet; 3. Hydraulic pump; 4. Oil suction pipe; 5. Connecting pipe; 6. Four-way solenoid directional valve; 7. Oil return pipe; 8. Oil delivery pipe; 9. Liquid flow meter; 10. Hydraulic cylinder; 11. Temperature sensor; 12. Pressure sensor; 13. Control terminal; 14. Alarm light; 15. Buzzer; 16. 5G module; 17. Signal transmitter; 18. Filter screen; 19. Cabinet door; 20. Heat dissipation hole. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] like Figures 1 to 5 As shown, the present invention provides a hydraulic cylinder with leakage warning function, including an oil tank 1, a control cabinet 2 fixedly connected to the front side of the oil tank 1, a hydraulic pump 3 fixedly connected to the top front position of the oil tank 1, an oil suction pipe 4 connected to the input end of the hydraulic pump 3, the oil suction pipe 4 extending to the bottom of the inner wall of the oil tank 1, a connecting pipe 5 connected to the output end of the hydraulic pump 3, and a four-way solenoid directional valve 6 connected to the rear side of the connecting pipe 5.

[0026] The bottom of the four-way solenoid directional valve 6 is fixedly connected to the top rear position of the oil tank 1. The bottom of the four-way solenoid directional valve 6 is connected to the return oil pipe 7. The bottom of the return oil pipe 7 extends to the top of the inner wall of the oil tank 1. The rear side of the four-way solenoid directional valve 6 is connected to the oil supply pipe 8. A liquid flow meter 9 is installed on the surface of the oil supply pipe 8 and near the four-way solenoid directional valve 6. The rear side of the oil supply pipe 8 is connected to the hydraulic cylinder 10.

[0027] Temperature sensors 11 are fixedly connected to the upper and lower left sides of hydraulic cylinder 10, and pressure sensors 12 are fixedly connected to the upper and lower right sides of hydraulic cylinder 10.

[0028] refer to Figure 2 A control terminal 13 is fixedly connected to the middle position of the rear side of the inner wall of the control cabinet 2, an alarm light 14 is fixedly connected to the top of the control cabinet 2, and a buzzer 15 is fixedly connected to the lower position of the rear side of the inner wall of the control cabinet 2.

[0029] As a technical optimization of this utility model, by setting an alarm light 14 and a buzzer 15, light and sound can be emitted when the hydraulic cylinder 10 leaks, which is convenient for users.

[0030] refer to Figure 2 A 5G module 16 is fixedly connected to the upper rear side of the inner wall of the control cabinet 2, and a signal transmitter 17 is fixedly connected to the left side of the control cabinet 2.

[0031] As a technical optimization of this utility model, by setting up a 5G module 16 and a signal transmitter 17, the detection data can be remotely sent to the smart device of the supervisor, making it convenient for the supervisor to view the data.

[0032] refer to Figure 4 A filter screen cover 18 is fitted at the bottom of the oil return pipe 7, and the top of the filter screen cover 18 is fixedly connected to the top of the inner wall of the oil tank 1.

[0033] As a technical optimization of this utility model, by setting a filter screen 18, the hydraulic oil in the return oil pipe 7 can be filtered to prevent impurities from mixing with the oil in the oil tank 1.

[0034] refer to Figure 1 The front side of the control cabinet 2 is movably connected to the cabinet door 19 via a pin, and the front side of the cabinet door 19 is provided with a heat dissipation hole 20.

[0035] As a technical optimization of this utility model, by setting cabinet door 19 and heat dissipation hole 20, the control terminal 13 can be cooled to prevent the control terminal 13 from being damaged due to overheating.

[0036] refer to Figure 1 Fuel tank 1 is made of stainless steel and is rectangular in shape.

[0037] As a technical optimization of this utility model, by setting the oil tank 1 to be made of stainless steel, it is possible to prevent the oil tank 1 from rusting and to prevent the oil tank 1 from being damaged due to rusting.

[0038] refer to Figure 1 Control cabinet 2 is made of aluminum alloy and is rectangular in shape.

[0039] As a technical optimization of this utility model, by setting the control cabinet 2 to be made of aluminum alloy, the strength of the control cabinet 2 can be increased, making the control cabinet 2 less prone to damage.

[0040] The working principle and usage process of this utility model are as follows: During the use of the hydraulic cylinder 10, the flow rate and return flow rate of the hydraulic cylinder 10 are detected by the liquid flow meter 9, the temperature of the hydraulic oil in the hydraulic cylinder 10 is detected by the temperature sensor 11, and the pressure in the hydraulic cylinder 10 is detected by the pressure sensor 12. The detection data are transmitted to the control terminal 13, which analyzes and judges the data. When the detection data deviates significantly from the preset data in the control terminal 13, the control terminal 13 determines that the hydraulic cylinder 10 is leaking. The control terminal 13 sends signals to the hydraulic pump 3, the four-way solenoid directional valve 6, the alarm light 14, and the buzzer 15, causing the hydraulic pump 3 to shut down, the four-way solenoid directional valve 6 to close, the alarm light 14 to illuminate, and the buzzer 15 to emit a piercing sound. At this time, the alarm light 14 and the buzzer 15 can be used to provide early warning to the staff, thereby achieving the effect of leakage early warning.

[0041] In summary, this hydraulic cylinder with leakage warning function, by incorporating an oil tank 1, control cabinet 2, hydraulic pump 3, suction pipe 4, connecting pipe 5, four-way solenoid directional valve 6, return pipe 7, delivery pipe 8, liquid flow meter 9, hydraulic cylinder 10, temperature sensor 11, pressure sensor 12, and control terminal 13, solves the problem that current hydraulic cylinders lack leakage warning structures, and because hydraulic cylinders are mostly installed inside equipment, initial leakage is difficult to observe with the naked eye, leading to the inability to deal with leakage in a timely manner.

[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hydraulic cylinder with a leakage warning function, comprising an oil tank (1), characterized in that: A control cabinet (2) is fixedly connected to the front side of the oil tank (1). A hydraulic pump (3) is fixedly connected to the top front position of the oil tank (1). The input end of the hydraulic pump (3) is connected to a suction pipe (4). The suction pipe (4) extends to the bottom of the inner wall of the oil tank (1). The output end of the hydraulic pump (3) is connected to a connecting pipe (5). The rear side of the connecting pipe (5) is connected to a four-way solenoid directional valve (6). The bottom of the four-way solenoid directional valve (6) is fixedly connected to the top rear position of the oil tank (1). The bottom of the four-way solenoid directional valve (6) is connected to a return oil pipe (7). The bottom of the return oil pipe (7) extends to the top of the inner wall of the oil tank (1). The rear side of the four-way solenoid directional valve (6) is connected to an oil supply pipe (8). A liquid flow meter (9) is installed on the surface of the oil supply pipe (8) and near the four-way solenoid directional valve (6). The rear side of the oil supply pipe (8) is connected to a hydraulic cylinder (10). Temperature sensors (11) are fixedly connected to the upper and lower left sides of the hydraulic cylinder (10), and pressure sensors (12) are fixedly connected to the upper and lower right sides of the hydraulic cylinder (10).

2. A hydraulic cylinder with leakage early warning function according to claim 1, characterized in that: A control terminal (13) is fixedly connected to the middle position of the rear side of the inner wall of the control cabinet (2), an alarm light (14) is fixedly connected to the top of the control cabinet (2), and a buzzer (15) is fixedly connected to the lower position of the rear side of the inner wall of the control cabinet (2).

3. A hydraulic cylinder with leakage early warning function according to claim 1, characterized in that: A 5G module (16) is fixedly connected to the upper rear side of the inner wall of the control cabinet (2), and a signal transmitter (17) is fixedly connected to the left side of the control cabinet (2).

4. A hydraulic cylinder with leakage early warning function according to claim 1, characterized in that: The bottom of the return oil pipe (7) is fitted with a filter screen cover (18), and the top of the filter screen cover (18) is fixedly connected to the top of the inner wall of the oil tank (1).

5. A hydraulic cylinder with leakage early warning function according to claim 1, characterized in that: The front side of the control cabinet (2) is movably connected to a cabinet door (19) via a pin, and the front side of the cabinet door (19) is provided with a heat dissipation hole (20).

6. A hydraulic cylinder with leakage early warning function according to claim 1, characterized in that: The fuel tank (1) is made of stainless steel and is rectangular in shape.

7. A hydraulic cylinder with leakage early warning function according to claim 1, characterized in that: The control cabinet (2) is made of aluminum alloy and is rectangular in shape.

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