A vibratory hydraulic cylinder with a piston rod dust removal and cooling device

By installing a water mist spraying device at the connection between the piston rod and the cylinder base of the hydraulic cylinder, the problems of insufficient cooling of the hydraulic cylinder and dust accumulation in the dustproof ring are solved, achieving dust isolation and heat dissipation effects.

CN224283109UActive Publication Date: 2026-05-26SHANXI JINNAN IRON & STEEL GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANXI JINNAN IRON & STEEL GRP CO LTD
Filing Date
2025-07-11
Publication Date
2026-05-26

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    Figure CN224283109U_ABST
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Abstract

This utility model relates to the field of auxiliary functions of hydraulic devices, specifically a vibrating hydraulic cylinder with a piston rod dust removal and cooling device. It includes a support rod on one side of the cylinder base, a support plate on the support rod with a water pipe installed, and a water mist nozzle installed on the top of the water pipe. The advantages of this utility model compared to existing technologies are: the hydraulic cylinder has an external water mist spraying system that forms a water mist film around the connection between the cylinder base and the piston rod. Through the blocking and adsorption effects of the water film, dust is isolated from the connection, and the relatively low temperature of the water mist itself provides heat dissipation and cooling for the cylinder enclosed within.
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Description

Technical Field

[0001] This utility model relates to the field of auxiliary functions of hydraulic devices, specifically a vibratory hydraulic cylinder with a piston rod dust removal and cooling device. Background Technology

[0002] Hydraulic cylinders have a telescopic function by driving the piston rod inside the end to move. There is a gap at the connection between the piston rod and the cylinder base. External dust, water stains and other dirt can enter the cylinder base through this gap, which can affect the internal components and hydraulic oil. Usually, a dust ring is installed at this point. Although the dust ring has a sealing effect of blocking water and dust, with long-term use, dust will form a thick layer and adhere to the outer side of the dust ring.

[0003] Replacing and cleaning the dust seal is relatively troublesome, and in general use scenarios, the hydraulic cylinder does not have effective heat dissipation measures. Therefore, a vibratory hydraulic cylinder with a piston rod dust removal and cooling device is provided. Utility Model Content

[0004] The technical problem this invention aims to solve is that hydraulic cylinders are generally not equipped with corresponding cooling measures, and dust and mud easily accumulate on the dustproof rings that are meant to block dust.

[0005] To solve the above-mentioned technical problems, the technical solution provided by this utility model is: a vibratory hydraulic cylinder with a piston rod dust removal and cooling device, including a cylinder base, wherein the piston rod of the cylinder is installed in the cylinder base.

[0006] The cylinder base is equipped with a support plate on one side of the piston rod at the end where the cylinder base extends and retracts. A water supply pipe is installed on the support plate, and a water pump is installed on the water supply pipe. An atomizing nozzle is connected to the top of the water supply pipe to form a spray of water from the pipe and scatter it from above to the area around the connection between the piston rod and the cylinder base.

[0007] An adjustment component for adjusting the position of the atomizing nozzle above the cylinder is connected between the cylinder base and the support plate. The adjustment component ensures that the atomizing nozzle remains directly above the connection between the cylinder base and the piston rod when the cylinder is in any tilt position.

[0008] Furthermore, the adjustment assembly includes an elongated groove on the support plate, a circular support rod is connected outward from one side of the cylinder base, the end of the support rod is fitted to the support plate by embedding in the groove, and a bolt is connected to the end of the support plate to one side of the support plate. A nut is threaded on the bolt to lock the positions of the support plate and the cylinder base.

[0009] Furthermore, the support rod is connected to a stop plate on the side of the support plate near the oil cylinder for positioning the support plate and fixing the position of the support plate with a nut.

[0010] Furthermore, a level is installed on the outer bottom of the support plate to facilitate observation of the calibration position of the support plate.

[0011] The advantages of this utility model compared with the prior art are as follows: the hydraulic cylinder is equipped with an external water mist sprayer that forms a water mist film around the joint between the cylinder base and the piston rod. The water film blocks and adsorbs dust from the joint, and the relatively low temperature of the water mist itself cools the cylinder inside. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the external structure of a vibratory hydraulic cylinder with a piston rod dust removal and cooling device according to this utility model. Figure 1 .

[0013] Figure 2 This is a schematic diagram of the external structure of a vibratory hydraulic cylinder with a piston rod dust removal and cooling device according to this utility model. Figure 2 .

[0014] Figure 3 yes Figure 1 A schematic diagram of the structure of part A.

[0015] Figure 4 yes Figure 1 A partial structural diagram.

[0016] Figure 5 yes Figure 2 A partial structural diagram.

[0017] As shown in the figure: 1. Cylinder base, 2. Piston rod, 3. Support rod, 4. Support plate, 5. Bolt, 6. Nut, 7. Support plate, 8. Slide groove, 9. Water pipe, 10. Water pump, 11. Atomizing nozzle, 12. Level. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings.

[0019] To solve the above-mentioned technical problems, the technical solution provided by this utility model is: a vibrating hydraulic cylinder with a piston rod 2 dust removal and cooling device, combined with an attached... Figure 1-2The system includes a cylinder base 1, in which the piston rod 2 of the cylinder is installed. From an overall perspective, the cylinder mainly consists of a base and a telescopic rod on the base, namely the cylinder base 1 and the piston rod 2. To prevent dust, sewage, etc. from entering the cylinder from the gap between the piston rod 2 and the cylinder base 1, a dustproof ring is generally installed at this location. Since this application installs an isolation dustproof and cooling layer outside the cylinder that forms a water mist film around the joint by spraying water mist, water stains will inevitably form on the piston rod 2. Therefore, the dustproof ring here should be of a specification with high water resistance. In addition, the cylinder base 1 and related components and instruments of the cylinder should also be reasonably selected with waterproof products according to the site requirements.

[0020] Combined with appendix Figure 5 The cylinder base 1 is provided with a support plate 7 on one side of the piston rod 2 at the end where the cylinder base 1 extends and retracts. A water pipe 9 is installed on the support plate 7. Figure 4 A water pump 10 is installed on the water supply pipe 9, and an atomizing nozzle 11 is connected to the top of the water supply pipe 9 to form a spray of water flow in the pipe and scatter it from above to the area around the connection between the piston rod 2 and the oil cylinder base 1.

[0021] The support plate 7 is used to support the water supply pipe 9. The water supply pipe 9 is connected to the corresponding water source in the site. The clean water is sprayed through the atomizing nozzle 11 to form water mist at a suitable position above the joint and sprayed to the side. The water mist falls slowly with gravity and eventually forms an umbrella-shaped water mist layer around the joint. When external dust approaches the joint, it will be captured by the water mist in the air, thus preventing it from reaching the joint and affecting the piston rod 2 and the cylinder base 1. It also reduces the pressure and dustproof specifications of the dustproof ring, and the replacement frequency of the dustproof ring is also reduced.

[0022] Under normal circumstances, tap water can be used for water mist. The water source itself has a low temperature, and the water mist formed covers the oil cylinder and the above-mentioned connection points. There is a temperature difference between the water and the oil cylinder and the air around the oil cylinder. Naturally, they will actively exchange heat with each other, thereby providing relatively efficient cooling and heat dissipation services for the operating oil cylinder.

[0023] Combined with appendix Figure 5 The cylinder base 1 and the support plate 7 are connected together by an adjustment component for adjusting the position of the atomizing nozzle 11 above the cylinder. The adjustment component includes a long strip groove 8 on the support plate 7. A circular support rod 3 is connected to one side of the cylinder base 1. The end of the support rod 3 is fitted to the support plate 7 by embedding in the groove 8.

[0024] Combined with appendix Figure 3The end of the support plate 7 extends to one side of the support plate 7 and is connected to a bolt 5. The bolt 5 is threaded with a nut 6 that can lock the positions of the support plate 7 and the cylinder base 1. The support rod 3 is located on the side of the support plate 7 near the cylinder and is connected to a stop plate 4 for positioning the support plate 7 and fixing the position of the support plate 7 with the nut 6.

[0025] The water mist nozzle is first installed on the support plate 7, which serves as the carrier plate. The support plate 7 is then installed on the support rod 3 with the abutment plate 4 on one side of the oil cylinder. The support plate 7 is embedded in the groove 8 of the support rod 3 through the end of the support plate 3, and the support plate 7 abuts against the abutment plate 4 on the support rod 3 for mutual positioning. The edge of the support rod 3 fits into the groove 8 and adopts a round shaft design. Therefore, the position of the support plate 7 on the support rod 3 can be pre-adjusted by free rotation. When the oil cylinder is used, regardless of the angle of placement, the water mist nozzle is positioned above the joint as much as possible to form a water mist film, which isolates the joint from the outside environment as much as possible, achieving sufficient dust prevention and humidification and cooling effects.

[0026] The end of the support rod 3 contains a bolt 5. A nut 6, which is threaded to the bolt 5, is used to tighten the support rod 3. After tightening, the nut 6 and the abutment plate 4 together clamp the support plate 7 tightly, so that the support plate 7 will not continue to rotate on the support rod 3, thus achieving position locking.

[0027] Combined with appendix Figure 4 A level 12 is installed on the outer side of the bottom of the support plate 7 to facilitate observation of the calibration position of the support plate 7, ensuring that the atomizing nozzle 11 can be kept directly above the connection between the cylinder base 1 and the piston rod 2 when the cylinder is in any tilt position.

[0028] It is inconvenient to observe with the naked eye whether the support plate 7 is installed vertically. Therefore, a common level 12 is installed at a suitable location on the support plate 7. By visually observing the position of the liquid droplets in the level 12, the position of the support plate 7 and the atomizing nozzle 11 can be calibrated and judged.

[0029] In the specific implementation of this utility model, after the hydraulic cylinder is installed, the support plate 7 is installed according to the position of the hydraulic cylinder installation. The support plate 7 is suspended from the end of the support rod 3. The vertical state of the support plate 7 is found by the spirit level 12 below. Hold the support plate 7 with one hand and tighten the nut 6 with the other hand to fix it. If the hydraulic cylinder and the supporting plate 7 and other components are relatively large, relevant tools should be used for auxiliary installation. After installation, the water mist nozzle is located above the connection between the hydraulic cylinder base 1 and the piston rod 2.

[0030] During operation, the water mist nozzle continuously sprays clean water and forms a water mist layer around the connection point, which not only blocks external dust but also provides heat dissipation for the operating oil cylinder.

[0031] The water mist falls naturally. In addition to the oil cylinder and related components, the surrounding equipment and facilities take reasonable waterproof and moisture-proof measures according to objective needs, and selectively add wastewater receiving mechanisms below.

[0032] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A vibratory hydraulic cylinder with a piston rod dust removal and cooling device, comprising a cylinder base (1), wherein a piston rod (2) of the cylinder is installed inside the cylinder base (1), characterized in that: The cylinder base (1) is provided with a support plate (7) on one side of the piston rod (2) at the end of the cylinder base (1) where the piston rod (2) extends and retracts. A water pipe (9) is installed on the support plate (7), and a water pump (10) is installed on the water pipe (9). An atomizing nozzle (11) is connected to the top of the water pipe (9) to form a spray of water from the pipe and scatter it from above to the area around the junction of the piston rod (2) and the cylinder base (1). The cylinder base (1) and the support plate (7) are connected together by an adjustment component for adjusting the position of the atomizing nozzle (11) above the cylinder. The adjustment component ensures that the atomizing nozzle (11) is always above the connection between the cylinder base (1) and the piston rod (2) when the cylinder is in any tilt position.

2. The vibratory hydraulic cylinder with a piston rod dust removal and cooling device according to claim 1, characterized in that: The adjustment assembly includes a long strip groove (8) on the support plate (7). A circular support rod (3) is connected to one side of the cylinder base (1). The end of the support rod (3) is fitted to the support plate (7) through the groove (8). A bolt (5) is connected to the end of the support plate (7) on one side. A nut (6) is threaded on the bolt (5) to lock the positions of the support plate (7) and the cylinder base (1) together.

3. The vibratory hydraulic cylinder with a piston rod dust removal and cooling device according to claim 2, characterized in that: The support rod (3) is located on the side of the support plate (7) near the oil cylinder and is connected to a stop plate (4) for positioning the support plate (7) and fixing the position of the support plate (7) with a nut (6).

4. A vibratory hydraulic cylinder with a piston rod dust removal and cooling device according to claim 1, characterized in that: A level (12) is installed on the outer bottom of the support plate (7) to facilitate observation of the calibration position of the support plate (7).