Buffering protection structure for oil cylinder of split mud barge

Abstract

The utility model provides a split mud barge oil cylinder buffering protection structure, which relates to the technical field of oil cylinder buffering protection structures and comprises an oil cylinder barrel, an oil cylinder telescopic rod is slidably connected in the oil cylinder barrel, a lower fixing ring is fixedly connected on the outer surface of the oil cylinder barrel, and an upper fixing ring is fixedly connected on the outer surface of the oil cylinder telescopic rod. The upper surface of the lower fixing ring and the bottom face of the upper fixing ring are jointly and fixedly connected with a telescopic protection sleeve, and the upper surface of the lower fixing ring is fixedly connected with a telescopic spring. According to the oil cylinder buffering protection structure of the split mud barge, the telescopic protection sleeve can be conveniently fixed through the upper fixing ring and the lower fixing ring, so that the telescopic spring in the telescopic protection sleeve can be protected through the telescopic protection sleeve, and elastic force generated by stretching and retracting of the telescopic spring can be conveniently utilized; the sliding of the oil cylinder telescopic rod in the oil cylinder barrel is buffered conveniently, so that a piston sliding in the oil cylinder can be prevented from impacting the inner top wall of the oil cylinder, and the damage to the oil cylinder of the split mud barge is reduced.

Description

Technical Field

[0001] This utility model relates to a cylinder buffer protection structure, specifically a cylinder buffer protection structure for an open-body mud barge, and belongs to the technical field of cylinder buffer protection structures. Background Technology

[0002] A split-hull mud barge is a vessel specifically designed for transporting dredged materials. It is mainly used for projects such as waterway dredging, port construction, and marine engineering. Hydraulic cylinders are installed inside the split-hull mud barge. Due to the high working pressure of the hydraulic cylinder system, it generally bears a large load when the hydraulic cylinder is working normally. Therefore, the buffer device is particularly important when the hydraulic cylinder is working and switching rapidly and frequently.

[0003] A buffer structure for a hydraulic cylinder is disclosed in Chinese Patent Application Publication CN217603044U. The structure includes a cylinder body, a piston rod inside the cylinder body, and a piston mounted on the piston rod. A buffer groove is formed on the outer periphery of one end of the piston, and a pressure relief hole is formed on the inner side of the buffer groove. The piston also has a pressure relief opening communicating with the pressure relief hole. This technical solution integrates the buffer structure and the piston, reducing the number of parts in the hydraulic cylinder, making the cylinder structure more compact, and lowering production costs. However, this technical solution only buffers the downward sliding of the piston within the cylinder, but not the upward sliding. Therefore, it cannot prevent the sliding piston from impacting the top wall of the cylinder, causing overtravel in the hydraulic cylinder of the open-body mud barge, resulting in damage to the cylinder and reducing its service life.

[0004] Therefore, a hydraulic cylinder buffer protection structure for open-body mud barges is proposed here. Utility Model Content

[0005] This invention proposes a buffer protection structure for the hydraulic cylinder of an open-body mud barge to solve the problem of insufficient buffering of the sliding piston inside the hydraulic cylinder in the prior art.

[0006] This utility model is achieved through the following technical solution: a hydraulic cylinder buffer protection structure for an open-body mud barge, comprising a hydraulic cylinder barrel, a hydraulic cylinder telescopic rod slidably connected inside the hydraulic cylinder barrel, a lower fixing ring fixedly connected to the outer surface of the hydraulic cylinder barrel, an upper fixing ring fixedly connected to the outer surface of the hydraulic cylinder telescopic rod, a telescopic protective sleeve fixedly connected to the upper surface of the lower fixing ring and the bottom surface of the upper fixing ring, a telescopic spring fixedly connected to the upper surface of the lower fixing ring, the outer surface of the telescopic spring contacting the inner wall of the telescopic protective sleeve, a mounting ring fixedly connected to the top end of the telescopic spring, the inner wall of the mounting ring contacting the outer surface of the hydraulic cylinder telescopic rod, and tension and compression sensors arranged circumferentially at equal intervals fixedly connected to the upper surface of the mounting ring, with the sensing end of each tension and compression sensor fixedly connected to the bottom surface of the upper fixing ring.

[0007] Specifically, a fixing plate is fixedly connected to the bottom surface of the cylinder barrel, and a connecting buckle is fixedly connected to the bottom surface of the fixing plate.

[0008] The outer surface of the cylinder barrel is fixedly connected to two hydraulic oil pipes, and a reinforcing ring is fixedly connected to the outer surface of each hydraulic oil pipe. The back of each reinforcing ring is fixedly connected to the outer surface of the cylinder barrel.

[0009] Specifically, a sliding piston is fixedly connected to the bottom end of the hydraulic cylinder telescopic rod, and the sliding piston is slidably connected inside the hydraulic cylinder barrel.

[0010] A buffer spring is fixedly connected to the upper surface of the sliding piston, and a movable slip ring is fixedly connected to the top end of the buffer spring. The inner wall of the buffer spring and the inner wall of the movable slip ring are in contact with the outer surface of the cylinder telescopic rod.

[0011] A stabilizing ring is fitted onto the outer surface of the buffer spring, and the bottom surface of the stabilizing ring is fixedly connected to the upper surface of the sliding piston.

[0012] Specifically, an extension column is fixedly connected to the top end of the hydraulic cylinder telescopic rod, and a connecting screw is fixedly connected to the top end of the extension column.

[0013] This utility model provides a hydraulic cylinder buffer protection structure for open-body mud barges, which has the following beneficial effects:

[0014] 1. The hydraulic cylinder buffer protection structure of this open-body mud barge allows the hydraulic cylinder telescopic rod to slide within the cylinder barrel. By fixing an upper fixing ring to the outside of the hydraulic cylinder telescopic rod and a lower fixing ring to the outside of the cylinder barrel, the telescopic protective sleeve can be easily fixed using these two rings. This allows the telescopic protective sleeve to protect the internal telescopic spring, and the elastic force generated by the extension and contraction of the spring can be used to buffer the sliding of the hydraulic cylinder telescopic rod within the cylinder barrel. This prevents the sliding piston from impacting the top wall of the cylinder, reducing damage to the cylinder.

[0015] 2. The hydraulic cylinder buffer protection structure of this open-body mud barge utilizes a mounting ring fixed to the top of the telescopic spring to mount multiple tension and compression sensors onto the upper surface of the mounting ring. These sensors are also fixed to the bottom surface of the upper fixed ring, allowing the detection of the elastic force generated by the extension and contraction of the telescopic spring. This facilitates the control of the hydraulic oil solenoid valve of the cylinder via a PLC controller, further preventing the sliding piston inside the cylinder from impacting the inner top wall, reducing cylinder damage, and extending the cylinder's service life. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the cylinder structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the tensile and compressive force sensor structure of this utility model;

[0018] Figure 3 This is a bottom view schematic diagram of the telescopic spring structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the hydraulic cylinder telescopic rod structure of this utility model.

[0020] Explanation of reference numerals in the attached figures

[0021] 1. Cylinder barrel; 101. Fixed plate; 102. Connecting buckle; 103. Hydraulic oil pipe; 104. Reinforcing ring;

[0022] 2. Hydraulic cylinder telescopic rod; 201. Sliding piston; 202. Buffer spring; 203. Moving slip ring; 204. Stabilizing ring; 205. Extension column; 206. Connecting screw;

[0023] 3. Lower fixing ring; 4. Telescopic protective sleeve; 5. Telescopic spring; 6. Mounting ring; 7. Tension and compression sensor; 8. Upper fixing ring. Detailed Implementation

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

[0025] Please see Figures 1-4This utility model embodiment provides a hydraulic cylinder buffer protection structure for an open-body mud barge, including a hydraulic cylinder 1. A fixing plate 101 is fixedly connected to the bottom surface of the hydraulic cylinder 1, and a connecting buckle 102 is fixedly connected to the bottom surface of the fixing plate 101. The connecting buckle 102 is used to connect to the open-body mud barge, and the connecting buckle 102 is installed on the bottom surface of the hydraulic cylinder 1 through the fixing plate 101.

[0026] Please refer to this carefully. Figure 1 and Figure 2 Two hydraulic oil pipes 103 are fixedly connected to the outer surface of the cylinder barrel 1. Each hydraulic oil pipe 103 is fixedly connected to a reinforcing ring 104 on its outer surface. The back of each reinforcing ring 104 is fixedly connected to the outer surface of the cylinder barrel 1. The two hydraulic oil pipes 103 facilitate the delivery and output of hydraulic oil to the hydraulic oil chamber inside the cylinder barrel 1, thereby facilitating the control of the output power of the open-body mud barge cylinder. The reinforcing rings 104 improve the connection stability between the two hydraulic oil pipes 103 and the outer surface of the cylinder barrel 1.

[0027] Please refer to this carefully. Figure 1 and Figure 4 The cylinder barrel 1 is slidably connected to the cylinder telescopic rod 2. The bottom end of the cylinder telescopic rod 2 is fixedly connected to the sliding piston 201. The sliding piston 201 is slidably connected to the inside of the cylinder barrel 1. Driven by the flowing hydraulic oil, the sliding piston 201 at the bottom end of the cylinder telescopic rod 2 will slide inside the cylinder barrel 1, thereby outputting power.

[0028] Please refer to this carefully. Figure 1 , Figure 2 , Figure 3 and Figure 4 A lower fixed ring 3 is fixedly connected to the outer surface of the cylinder barrel 1, and an upper fixed ring 8 is fixedly connected to the outer surface of the cylinder telescopic rod 2. A telescopic protective sleeve 4 is fixedly connected to the upper surface of the lower fixed ring 3 and the bottom surface of the upper fixed ring 8. A buffer spring 202 is fixedly connected to the upper surface of the sliding piston 201, and a movable slip ring 203 is fixedly connected to the top of the buffer spring 202. The inner walls of the buffer spring 202 and the movable slip ring 203 are in contact with the outer surface of the cylinder telescopic rod 2. By setting the buffer spring 202 and the movable slip ring 203 on the outer surface of the cylinder telescopic rod 2, a buffer can be formed between the sliding piston 201 and the inner top wall of the cylinder barrel 1, reducing the problem of overtravel of the cylinder.

[0029] Please refer to this carefully. Figure 2 , Figure 3 and Figure 4A telescopic spring 5 is fixedly connected to the upper surface of the lower fixed ring 3. The outer surface of the telescopic spring 5 is in contact with the inner wall of the telescopic protective sleeve 4. An installation ring 6 is fixedly connected to the top of the telescopic spring 5. The inner wall of the installation ring 6 is in contact with the outer surface of the hydraulic cylinder telescopic rod 2. A stabilizing ring 204 is sleeved on the outer surface of the buffer spring 202. The bottom surface of the stabilizing ring 204 is fixedly connected to the upper surface of the sliding piston 201. By using the stabilizing ring 204, which is set on the outer surface of the buffer spring 202, the telescopic direction of the buffer spring 202 can be limited, thereby improving the telescopic stability of the buffer spring 202.

[0030] Please refer to this carefully. Figure 1 , Figure 2 and Figure 4 Tension and compression sensors 7, arranged in a circular pattern at equal intervals, are fixedly connected to the upper surface of the mounting ring 6. The tension and compression sensors 7 are devices that convert physical tension and compression signals into measurable electrical signals. The model of the tension and compression sensors 7 is WL-1. The sensing end of each tension and compression sensor 7 is fixedly connected to the bottom surface of the upper fixing ring 8. An extension column 205 is fixedly connected to the top end of the hydraulic cylinder telescopic rod 2. A connecting screw 206 is fixedly connected to the top end of the extension column 205. The connecting screw 206 is installed at the output end of the hydraulic cylinder through the extension column 205 fixed on the hydraulic cylinder telescopic rod 2, thereby connecting with the outside world through the connecting screw 206, and facilitating the use of the hydraulic cylinder to output power to the open-body mud barge.

[0031] In use, the tension / compression sensor 7, PLC controller, and hydraulic oil solenoid valve are first connected to the power supply. When the buffer protection structure is needed to buffer and protect the cylinder of the open-body mud barge, it is first manually connected to the main body of the open-body mud barge using the connecting buckle 102 fixed under the fixed plate 101. The extension column 205 and connecting screw 206 fixed at the top of the cylinder telescopic rod 2 are used to connect the connecting screw 206 to the structure inside the open-body mud barge that requires power. The two hydraulic oil pipes 103 are connected to the hydraulic oil tank through the hydraulic oil solenoid valve, which allows the sliding piston 201 to move up and down in the hydraulic oil chamber inside the cylinder barrel 1 by the cylinder telescopic rod 2. Power is output to the open-body mud barge by the cylinder telescopic rod 2. While the cylinder telescopic rod 2 slides inside the cylinder barrel 1, the cylinder barrel 1 is fixed outside. The telescopic protective sleeve 4, which is fixed between the lower fixed ring 3 and the upper fixed ring 8 fixed to the cylinder telescopic rod 2, deforms, and the telescopic spring 5 also extends and retracts. The extension and retraction of the telescopic spring 5 can buffer the impact force between the cylinder barrel 1 and the cylinder telescopic rod 2. The mounting ring 6 fixed to the top of the telescopic spring 5 can fix multiple tension and compression sensors 7 fixed on the mounting ring 6 to the bottom surface of the upper fixed ring 8. This allows multiple tension and compression sensors 7 to easily detect the elastic force of the telescopic spring 5 acting on the upper fixed ring 8. The multiple tension and compression sensors 7 are connected to the hydraulic oil solenoid valve through the PLC controller, which can easily control the power output of the cylinder of the open-body mud barge, so as to avoid the sliding piston 201 sliding inside the cylinder barrel 1 from impacting the inner top wall of the cylinder barrel 1, reducing the damage to the cylinder and improving its service life.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A hydraulic cylinder buffer protection structure for an open-body mud barge, comprising a cylinder barrel (1), characterized in that: The cylinder barrel (1) is internally slidably connected to a cylinder telescopic rod (2). A lower fixing ring (3) is fixedly connected to the outer surface of the cylinder barrel (1). An upper fixing ring (8) is fixedly connected to the outer surface of the cylinder telescopic rod (2). A telescopic protective sleeve (4) is fixedly connected to the upper surface of the lower fixing ring (3) and the bottom surface of the upper fixing ring (8). A telescopic spring (5) is fixedly connected to the upper surface of the lower fixing ring (3). The outer surface of the telescopic spring (5) is in contact with the inner wall of the telescopic protective sleeve (4). An installation ring (6) is fixedly connected to the top of the telescopic spring (5). The inner wall of the installation ring (6) is in contact with the outer surface of the cylinder telescopic rod (2). Tension and pressure sensors (7) arranged in a circular pattern at equal intervals are fixedly connected to the upper surface of the installation ring (6). The sensing end of each tension and pressure sensor (7) is fixedly connected to the bottom surface of the upper fixing ring (8).

2. The hydraulic cylinder buffer protection structure for open-body mud barges according to claim 1, characterized in that: A fixed plate (101) is fixedly connected to the bottom surface of the cylinder barrel (1), and a connecting buckle (102) is fixedly connected to the bottom surface of the fixed plate (101).

3. The hydraulic cylinder buffer protection structure for open-body mud barges according to claim 1, characterized in that: The outer surface of the cylinder barrel (1) is fixedly connected to two hydraulic oil pipes (103), and a reinforcing ring (104) is fixedly connected to the outer surface of each hydraulic oil pipe (103). The back of each reinforcing ring (104) is fixedly connected to the outer surface of the cylinder barrel (1).

4. The hydraulic cylinder buffer protection structure for open-body mud barges according to claim 1, characterized in that: The bottom end of the hydraulic cylinder telescopic rod (2) is fixedly connected to a sliding piston (201), which is slidably connected to the inside of the hydraulic cylinder barrel (1).

5. The hydraulic cylinder buffer protection structure for open-body mud barges according to claim 4, characterized in that: A buffer spring (202) is fixedly connected to the upper surface of the sliding piston (201), and a movable slip ring (203) is fixedly connected to the top end of the buffer spring (202). The inner wall of the buffer spring (202) and the inner wall of the movable slip ring (203) are in contact with the outer surface of the cylinder telescopic rod (2).

6. The hydraulic cylinder buffer protection structure for open-body mud barges according to claim 5, characterized in that: The outer surface of the buffer spring (202) is fitted with a stabilizing ring (204), and the bottom surface of the stabilizing ring (204) is fixedly connected to the upper surface of the sliding piston (201).

7. The hydraulic cylinder buffer protection structure for open-body mud barges according to claim 1, characterized in that: An extension column (205) is fixedly connected to the top end of the hydraulic cylinder telescopic rod (2), and a connecting screw (206) is fixedly connected to the top end of the extension column (205).

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