A cylinder assembly for a hydraulic cylinder and a method of using the same
By designing a hydraulic cylinder block assembly containing a liquid-cooling unit and a symmetrical oil conductor column, the problems of low cooling efficiency and unsatisfactory lubrication effect in the prior art are solved, and more efficient cooling and lubrication effects are achieved.
Patent Information
- Application Number
- CN202111638831.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-12-29
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2041-12-29
AI Technical Summary
The cooling efficiency of the cylinder block components currently used in hydraulic cylinders is low and the oil conduction unit is simple, resulting in unsatisfactory lubrication effect.
A cylinder block assembly including a main oil chamber, an oil guide column, a positioning plate, an oil inlet unit and a liquid cooling unit is designed. The first infusion tube is slid through a slide rod to align the through hole on the connecting plate, and the liquid cooling unit is operated. The coolant circulates into the cooling ring to cool the oil guide column, increase the cooling efficiency, and set a symmetrical oil guide column on the lower side of the oil inlet tank to disperse the lubricating oil transmission.
It significantly improves the cooling efficiency and lubrication effect, making the hydraulic cylinder run smoother and more efficient.
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Figure CN114352602B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of hydraulic cylinders, and in particular to a cylinder assembly for a hydraulic cylinder and a use method thereof. Background Art
[0002] The hydraulic cylinder is usually composed of the rear end cover, cylinder barrel, piston rod, piston assembly, front end cover and other main parts. In order to prevent the oil from leaking out of the hydraulic cylinder or leaking from the high-pressure chamber to the low-pressure chamber, sealing devices are provided between the cylinder barrel and the end cover, the piston and the piston rod, the piston and the cylinder barrel, and the piston rod and the front end cover. A dust prevention device is also installed on the outside of the front end cover. In order to prevent the piston from hitting the cylinder cover when it quickly returns to the end of the stroke, a buffer device is also provided at the end of the hydraulic cylinder. Sometimes an exhaust device is also required. The sealed chamber formed by the cylinder assembly and the piston assembly is subjected to the oil pressure. Therefore, the cylinder assembly must have sufficient strength, high surface accuracy and reliable sealing. However, the cylinder assembly currently in use for hydraulic cylinders often has problems such as low cooling efficiency and simple oil guide unit. For this reason, we propose a cylinder assembly for hydraulic cylinders. Summary of the invention
[0003] The main purpose of the present invention is to provide a cylinder assembly for a hydraulic cylinder and a method of using the same. The sliding rod slides so that the first liquid delivery tube is aligned with the through hole on the connecting plate. While the oil is being delivered, the liquid cooling unit operates, and the coolant in the liquid storage tank circulates into the cooling ring to cool the oil guide column body, thereby greatly increasing the cooling efficiency. A symmetrical oil guide column is arranged on the lower side of the oil inlet groove, which is conducive to the dispersed transmission of lubricating oil, which not only makes the oil delivery effect more ideal, but also greatly improves the lubrication effect.
[0004] To achieve the above-mentioned objectives, the technical solution adopted by the present invention is: a cylinder assembly for a hydraulic cylinder, comprising a main oil chamber, an oil guide column, a positioning plate, an oil inlet unit, and a liquid cooling unit, the main oil chamber comprising a chamber and a connecting column, the positioning plate comprising a base plate, a clamping plate and a slide rail, one end of several of the connecting columns are connected to the peripheral side of the chamber, the other end of several of the connecting columns are connected to the lower surface of the base plate, the oil guide column comprises a column, several peripheral side surfaces of the column are provided with a groove, one end of several of the clamping plates are connected to the groove, the other end of several of the clamping plates are connected to the lower surface of the base plate, the oil inlet unit comprises a sliding rod and a connecting plate, several of the slide rails are slidably matched with the sliding rod, the liquid cooling unit comprises a second infusion pipe and a cooling ring, one end of several of the second infusion pipes are connected to the upper surface of the base plate, the other end of several of the second infusion pipes are connected to a surface of the connecting plate, several peripheral side surfaces of the column are provided with a limiting groove, and several of the cooling rings are connected to the limiting groove.
[0005] Preferably, the main oil chamber further comprises an oil outlet hole, and the oil outlet hole is installed on the lower surface of the cavity, and the cavity is mainly a circulation working point of the lubricating oil.
[0006] Preferably, the oil guide column also includes an oil delivery pipe, and a plurality of the column peripheral side surfaces are provided with a first connecting groove, and a plurality of the oil delivery pipes are connected to the first connecting groove. The symmetrical column can play a role in dispersing and delivering the lubricating oil.
[0007] Preferably, the positioning plate also includes a slide rail and an oil inlet groove, and several of the slide rails are installed on the upper surface of the base plate. The upper surface of the base plate is provided with a first fixed groove, and the oil inlet groove is connected to the first fixed groove. The oil inlet groove mainly receives the input lubricating oil and distributes it to the symmetrical oil guide columns.
[0008] Preferably, the oil inlet unit also includes an oil guide plate, several of the oil guide plates are installed on a surface of the sliding rod, several of the surfaces of the sliding rods are provided with a first mounting groove, several of the connecting plates are connected to the first mounting groove, and the sliding rod can move with the sliding rail so that it can perform cooling work symmetrically with the first oil pipeline.
[0009] Preferably, the liquid cooling unit also includes a liquid storage tank and a first liquid infusion tube, a second connecting groove is provided on one surface of several of the liquid storage tanks, several of the first liquid infusion tubes are connected to the second connecting groove, and the liquid storage tank mainly stores the cooling liquid used for circulating cooling.
[0010] A method for using a cylinder assembly for a hydraulic cylinder comprises the following steps:
[0011] Step (A), the slide rail slides to drive the slide rod to move so that the through hole on the connecting plate is aligned with the first infusion tube;
[0012] Step (B), after the oil guide plate is separated, the lubricating oil is transported, and at the same time, the liquid storage tank circulates the coolant to specifically cool down the main oil guide column;
[0013] Step (C), the oil delivery pipe continuously delivers lubricating oil to the interior of the cavity, and finally the lubricating oil is discharged from the oil outlet hole, completing a lubrication work;
[0014] Step (D), repeat steps (A) to (C) to continuously cool down the hydraulic cylinder.
[0015] Compared with the prior art, the present invention has the following beneficial effects:
[0016] 1. In the present invention, the sliding rod slides so that the first liquid delivery tube is aligned with the through hole on the connecting plate. While delivering oil, the liquid cooling unit operates, and the coolant in the liquid storage tank circulates into the cooling ring to cool the oil guide column, which greatly increases the cooling efficiency;
[0017] 2. In the present invention, symmetrical oil guide columns are arranged at the lower side of the oil inlet groove, which is conducive to the dispersed transmission of lubricating oil, which not only makes the oil delivery effect more ideal, but also greatly improves the lubrication effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of a cylinder assembly for a hydraulic cylinder of the present invention;
[0019] Figure 2 It is a front view structural schematic diagram of a cylinder assembly for a hydraulic cylinder of the present invention;
[0020] Figure 3 It is a top view structural schematic diagram of a cylinder assembly for a hydraulic cylinder of the present invention;
[0021] Figure 4 The present invention is a schematic side structural diagram of a cylinder assembly for a hydraulic cylinder.
[0022] In the figure: 100, main oil chamber; 110, cavity; 120, connecting column; 130, oil outlet; 200, oil guide column; 210, column; 220, oil delivery pipe; 300, positioning plate; 310, bottom plate; 320, clamping plate; 330, slide rail; 340, oil inlet groove; 400, oil inlet unit; 410, slide rod; 420, oil guide plate; 430, connecting plate; 500, liquid cooling unit; 510, liquid storage tank; 520, first liquid delivery pipe; 530, second liquid delivery pipe; 540, cooling ring. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.
[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the units or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0026] Embodiment 1:
[0027] Please refer to Figure 1 As shown in FIG. 4 , a cylinder assembly for a hydraulic cylinder includes a main oil chamber 100, an oil guide column 200, a positioning plate 300, an oil inlet unit 400, and a liquid cooling unit 500. The main oil chamber 100 includes a cavity 110 and a connecting column 120. The positioning plate 300 includes a bottom plate 310, a clamping plate 320, and a slide rail 330. One end of a plurality of connecting columns 120 are connected to the side surface of the cavity 110, and the other ends of a plurality of connecting columns 120 are connected to the lower surface of the bottom plate 310. The oil guide column 200 includes a column 210, and the side surfaces of a plurality of columns 210 are provided with a slot. A plurality of clamping plates 300 are provided with a plurality of connecting columns 120. One end of each of the splints 320 is connected to the card slot, and the other ends of each of the splints 320 are connected to the lower surface of the base plate 310. The oil inlet unit 400 includes a slide rod 410 and a connecting plate 430. Each of the slide rails 330 is slidably matched with the slide rod 410. The liquid cooling unit 500 includes a second infusion pipe 530 and a cooling ring 540. One ends of each of the second infusion pipes 530 are connected to the upper surface of the base plate 310, and the other ends of each of the second infusion pipes 530 are connected to a surface of the connecting plate 430. Limiting grooves are provided on the sides of each of the columns 210, and each of the cooling rings 540 is connected to the limiting grooves.
[0028] Furthermore, the main oil chamber 100 further includes an oil outlet hole 130 , which is installed on the lower surface of the chamber 110 , and the chamber 110 is mainly a circulation working point for the lubricating oil.
[0029] Furthermore, the oil guide column 200 also includes an oil delivery pipe 220. The side surfaces of the plurality of columns 210 are each provided with a first connection groove, and the plurality of oil delivery pipes 220 are each connected to the first connection groove. The symmetrical columns 210 can function to disperse and deliver the lubricating oil.
[0030] Furthermore, the positioning plate 300 also includes a slide rail 330 and an oil inlet groove 340. Several slide rails 330 are installed on the upper surface of the base plate 310. The upper surface of the base plate 310 is provided with a first fixed groove, and the oil inlet groove 340 is connected to the first fixed groove. The oil inlet groove 340 mainly receives the input lubricating oil and distributes it to the symmetrical oil guide columns 200.
[0031] Furthermore, the oil inlet unit 400 also includes an oil guide plate 420, and several oil guide plates 420 are installed on a surface of the sliding rod 410. Several surfaces of the sliding rods 410 are provided with a first mounting groove, and several connecting plates 430 are connected to the first mounting groove. The sliding rod 410 can move with the sliding rail 330 so that it can perform cooling work symmetrically with the first infusion tube 520.
[0032] Furthermore, the liquid cooling unit 500 also includes a liquid storage tank 510 and a first liquid infusion tube 520. A second connecting groove is provided on a surface of several liquid storage tanks 510, and several first liquid infusion tubes 520 are connected to the second connecting groove. The liquid storage tank 510 mainly stores the cooling liquid used for circulating cooling.
[0033] Embodiment 2:
[0034] Please refer to Figure 1 As shown in FIG. 4 , the present invention is a cylinder assembly for a hydraulic cylinder, and its working principle is as follows: the slide rail 330 slides to drive the slide rod 410 to move, so that the through hole on the connecting plate 430 is aligned with the first liquid delivery pipe 520, and the oil guide plate 420 is separated and the lubricating oil delivery is started. At the same time, the liquid storage tank 510 circulates the coolant to perform targeted cooling on the main oil guide column 200, and the oil delivery pipe 220 continuously delivers the lubricating oil to the inside of the cavity 110, and finally the lubricating oil is discharged from the oil outlet 130, completing a lubrication work, which can well cool the hydraulic cylinder shaft assembly.
[0035] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. A method for using a cylinder assembly for a hydraulic cylinder, the cylinder assembly comprising a main oil chamber (100), an oil guide column (200), a positioning plate (300), an oil inlet unit (400), and a liquid cooling unit (500), characterized in that: The main oil chamber (100) comprises a chamber body (110) and a connecting column (120); the positioning plate (300) comprises a bottom plate (310), a clamping plate (320) and a slide rail (330); one end of a plurality of the connecting columns (120) are connected to the side surface of the chamber body (110); the other ends of a plurality of the connecting columns (120) are connected to the lower surface of the bottom plate (310); the oil guide column (200) comprises a column body (210); a plurality of the side surfaces of the column bodies (210) are provided with a card slot; one end of a plurality of the clamping plates (320) are connected to the card slot; the other ends of a plurality of the clamping plates (320) are connected to the bottom plate ( The oil inlet unit (400) comprises a slide bar (410) and a connecting plate (430), and a plurality of the slide rails (330) are slidably matched with the slide bar (410). The liquid cooling unit (500) comprises a second liquid infusion pipe (530) and a cooling ring (540), and one end of a plurality of the second liquid infusion pipes (530) are connected to the upper surface of the bottom plate (310), and the other end of a plurality of the second liquid infusion pipes (530) are connected to a surface of the connecting plate (430). The peripheral side surfaces of a plurality of the columns (210) are provided with limiting grooves, and a plurality of the cooling rings (540) are connected to the limiting grooves. The positioning plate (300) further comprises a slide rail (330) and an oil inlet groove (340), a plurality of the slide rails (330) are mounted on the upper surface of the base plate (310), a first fixing groove is provided on the upper surface of the base plate (310), and the oil inlet groove (340) is connected to the first fixing groove. The oil inlet unit (400) further comprises an oil guide plate (420), a plurality of the oil guide plates (420) are mounted on one surface of the slide rod (410), a plurality of the first mounting grooves are provided on the other surface of the slide rod (410), and a plurality of the connecting plates (430) are connected to the first mounting grooves. The method for using the cylinder assembly for the hydraulic cylinder comprises the following steps: Step (A), the slide rail (330) slides to drive the slide rod (410) to move, so that the through hole on the connecting plate (430) is aligned with the first infusion tube (520); Step (B), after the oil guide plate (420) is separated, the lubricating oil is transported, and at the same time, the liquid storage tank (510) circulates the cooling liquid to specifically cool the oil guide column (200); Step (C), the oil delivery pipe (220) continuously delivers lubricating oil to the interior of the cavity (110), and finally discharges the lubricating oil from the oil outlet hole (130), completing a lubrication operation; Step (D), repeat steps (A) to (C) to continuously cool down the hydraulic cylinder.
2. The method for using a cylinder assembly for a hydraulic cylinder according to claim 1, characterized in that: The main oil chamber (100) further comprises an oil outlet hole (130), wherein the oil outlet hole (130) is installed on the lower surface of the chamber body (110).
3. The method for using a cylinder assembly for a hydraulic cylinder according to claim 1, characterized in that: The oil guide column (200) further comprises an oil delivery pipe (220), and a plurality of the column bodies (210) are each provided with a first connection groove on their peripheral side surfaces, and the plurality of the oil delivery pipes (220) are each connected to the first connection groove.
4. The method for using a cylinder assembly for a hydraulic cylinder according to claim 1, characterized in that: The liquid cooling unit (500) further comprises a liquid storage tank (510) and a first liquid infusion tube (520); a second connecting groove is provided on one surface of a plurality of the liquid storage tanks (510); and a plurality of the first liquid infusion tubes (520) are connected to the second connecting groove.
Citation Information
Patent Citations
Tractor, oil cooling device for tractor and oil circulating cooling method for tractor
CN103277498A
Water-cooled hydraulic oil cylinder
CN113653704A