Visual hydraulic oil cylinder for leakage monitoring

Abstract

The hydraulic oil cylinder comprises a cylinder body, a piston, a piston rod and a guide sleeve, the cylinder body is of a barrel structure with the two ends open, one end of the cylinder body is pressed through a gland, and a first oil port is formed in the gland; a piston rod is arranged in the cylinder body; a guide sleeve is arranged between the piston rod exposed out of the cylinder body and the cylinder body, a first groove and a second groove are formed in the inner diameter face of the guide sleeve, a dustproof ring and a first sealing ring are arranged between the first groove and the outer end of the guide sleeve, and a second sealing ring is arranged between the first groove and the second groove. A third sealing ring and a supporting ring are arranged between the second groove and the inner end of the guide sleeve; a first flow channel and a second flow channel extend inwards from the outer side end face of the guide sleeve, the first flow channel is communicated with the first groove, and the second flow channel is communicated with the second groove; a center runner is arranged in the center of the piston rod. According to the utility model, a leakage point can be quickly judged through the external oil pot, an operator can realize targeted replacement according to the leakage point, and the efficiency is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of oil cylinder manufacturing, especially relates to a leakage monitoring visual hydraulic oil cylinder. BACKGROUND

[0002] As the key component in the hydraulic system, the performance of the hydraulic oil cylinder directly affects the stability and efficiency of the whole system. The various parts of the traditional hydraulic oil cylinder are sealed by the sealing ring. However, when the hydraulic cylinder leaks, the operator cannot accurately determine the leakage point. When the internal sealing ring leaks, the internal specific situation cannot be observed from the outside, which causes certain limitations to the maintenance. Therefore, the leakage of the hydraulic oil cylinder is monitored in real time through the visual means, which provides great convenience and safety for the maintenance and use of the equipment, and effectively improves the overall performance and reliability of the hydraulic oil cylinder. SUMMARY

[0003] The utility model provides a kind of leakage monitoring visual hydraulic oil cylinder for monitoring the leakage of oil cylinder sealing ring.

[0004] The utility model discloses a kind of leakage monitoring visual hydraulic oil cylinder, including cylinder body, piston, piston rod, guide sleeve, the cylinder body is the cylinder structure of two ends opening, the cylinder body one end is compressed by gland, first oil port is equipped on the gland;Piston rod is provided in the cylinder body, the inside one end of piston rod is equipped with two groups of pistons, the other end of piston rod exposes the outside of cylinder body;Piston rod and cylinder body between the outside of cylinder body are equipped with guide sleeve, the first recess and the second recess are opened in the inner diameter surface of guide sleeve, dustproof ring and first sealing ring are equipped between the first recess to the outer end of guide sleeve, second sealing ring is equipped between the first recess and the second recess, third sealing ring and support ring are equipped between the second recess and the inner end of guide sleeve;First flow channel and second flow channel are inwardly extended from the outer side end surface of guide sleeve, the first flow channel is communicated with the first recess, and the second flow channel is communicated with the second recess;Center flow channel is equipped at the center of piston rod, and the one end opening of center flow channel is located on the side wall of piston rod that exposes the outside of cylinder body, and the other end is located on the side wall of piston rod between two groups of pistons.

[0005] Preferably, the inside one end of the piston rod is provided with a butt joint column, two groups of mounting grooves are provided on the butt joint column, and pistons are respectively mounted in the mounting grooves.

[0006] Preferably, a third recess is provided between the mounting grooves, the first flow channel is inwardly extended from the third recess, and the terminal end of the first flow channel is communicated with the center flow channel of the piston rod.

[0007] Preferably, the terminal ends of the first flow channel, the second flow channel and the center flow channel are all connected with oil cans through threads.

[0008] Preferably, the gland is welded to the cylinder.

[0009] Compared with the prior art, the utility model has the advantages of:

[0010] 1、The guide sleeve is provided with two flow channels, and the inner wall between the two flow channels and the sealing ring is communicated, so that when one group of sealing rings fails, external personnel can quickly judge the failure of the sealing rings through the oil can, the failed sealing rings are replaced, and the sealing performance is improved.

[0011] 2、The piston is provided in a split type, and the center flow channel is communicated with the middle region of the piston, so that when one group of pistons leaks, the failure of the pistons can be judged through the oil can communicated with the center flow channel, the failed pistons are replaced, and the sealing performance is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structure schematic view of the utility model.

[0013] Figure 2 It is a left side elevation structure schematic view of the utility model.

[0014] 1 cylinder, 2 piston, 3 piston rod, 301 center flow channel, 302 butt joint column, 3021 installation slot, 303 third groove, 4 guide sleeve, 401 first groove, 402 second groove, 403 first flow channel, 404 second flow channel, 5 gland, 501 first oil port, 6 dustproof ring, 7 first sealing ring, 8 second sealing ring, 9 third sealing ring, 10 supporting ring. DETAILED DESCRIPTION

[0015] The embodiments of the utility model are described below by specific examples, and those skilled in the art can easily understand other advantages and effects of the utility model from the disclosed content.

[0016] It should be noted that in the description of this utility model, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. These terms are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," and "suspended," etc., do not indicate that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0017] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0018] like Figures 1-2 As shown, a leakage monitoring visualization hydraulic cylinder includes a cylinder body 1, a piston 2, a piston rod 3, and a guide sleeve 4. The cylinder body 1 is a cylindrical structure with openings at both ends. One end of the cylinder body 1 is pressed by a pressure cap 5, which has a first oil port 501. The piston rod 3 is disposed inside the cylinder body 1. Two sets of pistons 2 are disposed on one end of the inner side of the piston rod 3, and the other end of the piston rod 3 protrudes outside the cylinder body 1. A guide sleeve 4 is disposed between the piston rod 3 protruding outside the cylinder body 1 and the cylinder body 1. The inner diameter surface of the guide sleeve 4 has a first groove 401 and a second groove 402. A dustproof ring 6 is disposed between the first groove 401 and the outer end of the guide sleeve 4. A first sealing ring 7 is provided; a second sealing ring 8 is provided between the first groove 401 and the second groove 402; a third sealing ring 9 and a support ring 10 are provided between the second groove 402 and the inner end of the guide sleeve 4; a first flow channel 403 and a second flow channel 404 extend inward from the outer end face of the guide sleeve 4, the first flow channel 403 is connected to the first groove 401, and the second flow channel 404 is connected to the second groove 402; a central flow channel 301 is provided at the center of the piston rod 3, one end of the central flow channel 301 is located on the side wall of the piston rod 3 exposed outside the cylinder body 1, and the other end is located on the side wall of the piston rod 3 between the two sets of pistons 2.

[0019] like Figure 1As shown, the inner end of the piston rod 3 is provided with a butt joint column 302, two groups of mounting grooves 3021 are arranged on the butt joint column 302, and the piston 2 is arranged in the mounting grooves 3021 respectively, the mounting grooves are arranged on the butt joint column to mount the piston, so that the structure of the hydraulic oil cylinder is more compact, and the area between the pistons is reserved to be communicated with the center.

[0020] As shown in the figure, Figure 1 The third groove 303 is arranged between the mounting grooves 3021, the first flow channel 304 extends inwardly from the third groove 303, the end of the first flow channel 304 is communicated with the center flow channel 301 of the piston rod 1, and the hydraulic oil can flow into the center flow channel from the area after leakage of the two pistons.

[0021] As shown in the figure, Figure 1 The oil cans are threadedly connected to the ends of the first flow channel 403 and the second flow channel 404 and the center flow channel 301, the oil cans can avoid leakage of the hydraulic oil, and the oil in the oil cans can be observed to make a judgment, so that the operator can operate conveniently.

[0022] As shown in the figure, Figure 1 The gland 5 and the cylinder body 1 are welded, so that the connection between them has high strength and can withstand various pressures generated in the working process of the hydraulic oil cylinder.

[0023] The working principle of the utility model is described as follows: in working, the hydraulic oil enters the cylinder body through the oil port on the gland, drives the piston and the piston rod to move, so that the conversion from hydraulic energy to mechanical energy is realized. The center flow channel, the first flow channel and the second flow channel form a leakage monitoring channel, once the hydraulic oil cylinder leaks, the leaked hydraulic oil will enter the oil cans through the flow channels, and the leakage condition can be monitored in real time through the visual means. This design not only improves the working efficiency and stability of the hydraulic oil cylinder, but also reduces the maintenance cost and ensures the safe operation of the equipment.

[0024] The above-described embodiments are only used to describe the preferred embodiments of the utility model, and do not limit the design concept and scope of the utility model. Various modifications and improvements of the technical scheme of the utility model made by those skilled in the art without departing from the design concept of the utility model shall fall within the protection scope of the utility model, and the technical content of the utility model claimed for protection has been recorded in the claims.

Claims

1. A leakage monitoring and visualization hydraulic cylinder, comprising a cylinder body, a piston, a piston rod, and a guide sleeve, characterized in that, The cylinder body is a cylindrical structure with openings at both ends. One end of the cylinder body is pressed shut by a pressure cap, which has a first oil port. A piston rod is installed inside the cylinder body. Two sets of pistons are installed on one end of the inner side of the piston rod, and the other end of the piston rod protrudes outside the cylinder body. A guide sleeve is provided between the piston rod protruding outside the cylinder body and the cylinder body. The inner diameter surface of the guide sleeve has a first groove and a second groove. A dustproof ring and a first sealing ring are provided between the first groove and the outer end of the guide sleeve. A second sealing ring is provided between the first groove and the second groove. A third sealing ring and a support ring are provided between the second groove and the inner end of the guide sleeve. A first flow channel and a second flow channel extend inward from the outer end surface of the guide sleeve. The first flow channel is connected to the first groove, and the second flow channel is connected to the second groove. A central flow channel is provided at the center of the piston rod. One end of the central flow channel is located on the side wall of the piston rod protruding outside the cylinder body, and the other end is located on the side wall of the piston rod between the two sets of pistons.

2. The leakage monitoring visualization hydraulic cylinder according to claim 1, characterized in that, The piston rod has a docking post at one end of its inner side, and the docking post has two sets of mounting slots, in which pistons are installed respectively.

3. The leakage monitoring visualization hydraulic cylinder according to claim 2, characterized in that, A third groove is provided between the mounting slots, and a first flow channel extends inward from the third groove. The end of the first flow channel is connected to the central flow channel of the piston rod.

4. The leakage monitoring visualization hydraulic cylinder according to claim 1, characterized in that, Both the first and second flow channels have oil cans connected to the ends of the central flow channel via threads.

5. A leakage monitoring and visualization hydraulic cylinder according to claim 1, characterized in that, The gland is welded to the cylinder body.

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