CN220415885U - Hydraulic cylinder with long service life - Google Patents

Hydraulic cylinder with long service life Download PDF

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Publication number
CN220415885U
CN220415885U CN202321959613.9U CN202321959613U CN220415885U CN 220415885 U CN220415885 U CN 220415885U CN 202321959613 U CN202321959613 U CN 202321959613U CN 220415885 U CN220415885 U CN 220415885U
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cylinder
ring
oil
water
oil cylinder
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CN202321959613.9U
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Chinese (zh)
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马锁琴
李虎太
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Shanxi New Hundred Sichuan Heavy Machinery Co ltd
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Shanxi New Hundred Sichuan Heavy Machinery Co ltd
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Abstract

The utility model belongs to the technical field of hydraulic cylinders, in particular to a hydraulic cylinder with long service life, which aims at the problem of prolonging the service life and comprises a cylinder, wherein a water cooling mechanism is fixedly connected to the outer surface of the cylinder; a pull ring is welded on the outer surface of one side of the oil cylinder; the inner surface of the oil cylinder is sleeved with a piston rod; one end of the piston rod is fixedly connected with a piston; one end of the oil cylinder is connected with a protection mechanism through clamping, and through the arrangement of the water cooling pipe, the water inlet, the water outlet and the water storage bin, when the hydraulic cylinder works, water is input into the water storage bin from the water inlet and then discharged from the water inlet, heat generated when the hydraulic cylinder works is taken away through the flowing of the water, and cavitation generated in the hydraulic cylinder is reduced; through the setting of last protection ring, lower protection ring, fixed plate, screw, dust ring, at the pneumatic cylinder during operation, play the effect of secondary protection to the pneumatic cylinder, conveniently dismantle the change simultaneously, extension pneumatic cylinder's life.

Description

Hydraulic cylinder with long service life
Technical Field
The utility model relates to the technical field of hydraulic cylinders, in particular to a hydraulic cylinder with long service life.
Background
The hydraulic cylinder is a hydraulic actuating mechanism which converts hydraulic energy into mechanical energy and performs linear reciprocating motion, the structure is very simple, a speed reducing device can be omitted when the hydraulic actuating mechanism is used for realizing reciprocating motion, and the hydraulic actuating mechanism moves very stably, so that the hydraulic actuating mechanism is widely applied to hydraulic systems of various machines, the structural forms of the hydraulic cylinder are various, and the hydraulic actuating mechanism can be divided into a piston type hydraulic actuating mechanism, a plunger type hydraulic actuating mechanism, a multistage telescopic sleeve type hydraulic actuating mechanism, a rack-and-pinion type hydraulic actuating mechanism and the like according to the structural forms, wherein the application of the piston type hydraulic cylinder is quite common.
In the use process of the hydraulic cylinder, the oil temperature in the cylinder is too high due to too high mechanical energy, so that the oil viscosity is low, cavitation can be generated, the hydraulic cylinder is damaged, and the service life of the hydraulic cylinder is shortened.
In the use process of the hydraulic cylinder, the hydraulic cylinder can work under different working environments, and external sundries and dust can possibly enter the hydraulic cylinder, and the hydraulic cylinder is provided with a sealing dust ring but is difficult to replace.
Through searching, the hydraulic oil cylinder with long service life is disclosed in the authorized publication number CN 113757212A.
However, the design has the defects that the design uses air for cooling, and under the condition of severe environment, the air inlet is easy to be blocked, so that an ideal effect cannot be achieved, and in hot weather, the outside air temperature may not be able to cool the hydraulic cylinder, so that the hydraulic cylinder is damaged.
Therefore, we propose a hydraulic cylinder with long service life to solve the problem.
Disclosure of Invention
The utility model aims to solve the problems in the background art, and provides a hydraulic cylinder with long service life.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the device comprises an oil cylinder and is characterized in that the outer surface of the oil cylinder is fixedly connected with a water cooling mechanism; a pull ring is welded on the outer surface of one side of the oil cylinder; the inner surface of the oil cylinder is sleeved with a piston rod; one end of the piston rod is fixedly connected with a piston; one end of the oil cylinder is connected with a protection mechanism through clamping.
Preferably, the water cooling mechanism comprises a cooling pipe fixedly connected to the outer surface of the oil cylinder; a water storage bin is arranged between the cooling pipe and the oil cylinder; a water inlet is formed in one side of the outer surface of the cooling pipe; and a water outlet is arranged on one side of the outer surface of the cooling pipe, and the water inlet and the water outlet are positioned on the same straight line.
Preferably, the protection mechanism comprises an upper protection ring and a lower protection ring which are fixed on the outer surface of one side of the oil cylinder through clamping; two sides of the outer surface of the upper protection ring are fixedly connected with two fixing plates; two sides of the outer surface of the lower protective ring are fixedly connected with two fixing plates; the upper surface of the fixed plate is provided with screw holes; the lower surface of the upper protective ring is fixedly connected with a dust ring; the upper surface of the lower protective ring is fixedly connected with a dust ring.
Preferably, the upper guard ring is connected with the lower guard ring through a fixing plate, and the fixing plates are connected through screws.
Preferably, one side of the outer surface of the oil cylinder is provided with an oil inlet; an oil outlet is formed in the other side of the outer surface of the oil cylinder, and the upper surfaces of the oil outlet and the oil inlet penetrate through the cooling pipe and extend out of the cooling pipe; the oil inlet and the oil outlet are positioned on the same straight line; and an oil bin is arranged in the oil cylinder.
Preferably, a protective ring is fixedly connected to one side of the inner surface of the oil cylinder, and the protective ring has the functions of sealing and dust prevention; the protection mechanism plays a role of secondary protection.
According to the hydraulic cylinder with long service life, through the arrangement of the water cooling pipe, the water inlet, the water outlet and the water storage bin, when the hydraulic cylinder works, water is input into the water storage bin from the water inlet and then discharged from the water inlet, heat generated when the hydraulic cylinder works is taken away through the flowing of the water, and cavitation generated in the hydraulic cylinder is reduced;
according to the hydraulic cylinder with long service life, through the arrangement of the upper protection ring, the lower protection ring, the fixing plate, the screws and the dustproof ring, when the hydraulic cylinder works, the hydraulic cylinder is protected secondarily, and meanwhile, the hydraulic cylinder is convenient to detach and replace, and the service life of the hydraulic cylinder is prolonged;
the utility model has reasonable structural design, simple operation and high reliability.
Drawings
FIG. 1 is a schematic perspective view of a hydraulic cylinder with a long service life;
FIG. 2 is a schematic cross-sectional view of a hydraulic cylinder with a long service life according to the present utility model;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
fig. 4 is a partial enlarged view of a portion B in fig. 2.
In the figure: 1. a water cooling mechanism; 11. a cooling tube; 12. a water inlet; 13. a water outlet; 14. a water storage bin; 2. an oil cylinder; 21. an oil bin; 22. a protective ring; 3. a piston rod; 31. a piston; 4. a protective mechanism; 41. an upper guard ring; 42. a fixing plate; 43. a screw; 44. a dust ring; 45. a screw hole; 46. a lower guard ring; 5. an oil inlet; 6. an oil outlet; 7. and (5) a pull ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a hydraulic oil cylinder with long service life comprises an oil cylinder 2, and is characterized in that the outer surface of the oil cylinder 2 is fixedly connected with a water cooling mechanism 1; a pull ring 7 is welded on the outer surface of one side of the oil cylinder 2; the inner surface of the oil cylinder 2 is sleeved with a piston rod 3; one end of the piston rod 3 is fixedly connected with a piston 31; one end of the oil cylinder 2 is connected with a protection mechanism 4 through clamping.
The water cooling mechanism 1 comprises a cooling pipe 11 fixedly connected to the outer surface of the oil cylinder 2; a water storage bin 14 is arranged between the cooling pipe 11 and the oil cylinder 2; a water inlet 12 is formed in one side of the outer surface of the cooling pipe 11; a water outlet 13 is arranged on one side of the outer surface of the cooling pipe 11, and the water inlet 12 and the water outlet 13 are positioned on the same straight line.
An oil inlet 5 is formed in one side of the outer surface of the oil cylinder 2; an oil outlet 6 is arranged on the other side of the outer surface of the oil cylinder 2, and the upper surfaces of the oil outlet 6 and the oil inlet 5 penetrate through the cooling pipe 11 and extend out of the cooling pipe 11; the oil inlet 5 and the oil outlet 6 are positioned on the same straight line; an oil bin 21 is arranged in the oil cylinder 2.
When the hydraulic cylinder is used, after the pipelines of the oil inlet 5 and the oil outlet 6 are installed, the hydraulic cylinder starts to work after the pipelines of the water inlet 12 and the water outlet 13 are installed, heat can be generated when the hydraulic cylinder starts to work, cavitation can be generated by gas in hydraulic oil, damage is caused to the hydraulic cylinder, and the gas in the hydraulic oil can be caused by insufficient exhaust, too low viscosity of oil, overheating of the oil and the like. When the pressure drops or the temperature rises, the gas can release and cause cavitation, the heat generated during the working of the hydraulic cylinder is absorbed by the water, then the water after absorbing the heat is discharged, the new water can replace the previous water, the cooling effect is improved, and the service life of the hydraulic cylinder is prolonged.
Referring to fig. 1 and 3, the protection mechanism 4 includes an upper protection ring 41 and a lower protection ring 46 which are fixed to an outer surface of one side of the cylinder 2 by clamping; two fixing plates 42 are fixedly connected to two sides of the outer surface of the upper protection ring 41; two fixing plates 42 are fixedly connected to two sides of the outer surface of the lower protecting ring 46; screw holes 45 are formed in the upper surface of the fixing plate 42; the lower surface of the upper protective ring 41 is fixedly connected with a dust ring 44; the upper surface of the lower guard ring 46 is fixedly connected with a dust ring 44.
The upper guard ring 41 is connected with the lower guard ring 46 through the fixing plate 42, and the fixing plates 42 are connected through screws 43.
A protective ring 22 is fixedly connected to one side of the inner surface of the oil cylinder 2, and the protective ring 22 has the functions of sealing and dust prevention; the protection mechanism 4 plays a role of secondary protection.
In the utility model, when in use, the upper protective ring 41 and the lower protective ring 46 are placed on the outer surface of one side of the oil cylinder 2, the fixed plate 42 on the upper protective ring 41 is connected with the fixed plate 42 on the lower protective ring 46 through the screw 43, the upper protective ring 41 and the lower protective ring 46 are fixed on the outer surface of the oil cylinder 2, the dust ring 44 on the upper protective ring 41 and the lower protective ring 46 can carry out secondary protection on the hydraulic cylinder, meanwhile, the upper protective ring 41 and the lower protective ring 46 are easy to detach, the dust ring 44 can be replaced, the cost is reduced, and the service life of the hydraulic cylinder is prolonged.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. The hydraulic oil cylinder with the long service life comprises an oil cylinder (2) and is characterized in that a water cooling mechanism (1) is fixedly connected to the outer surface of the oil cylinder (2); a pull ring (7) is welded on the outer surface of one side of the oil cylinder (2); the inner surface of the oil cylinder (2) is sleeved with a piston rod (3); one end of the piston rod (3) is fixedly connected with a piston (31); one end of the oil cylinder (2) is connected with a protection mechanism (4) through clamping.
2. A hydraulic cylinder with long service life according to claim 1, characterized in that the water cooling mechanism (1) comprises a cooling pipe (11) fixedly connected to the outer surface of the cylinder (2); a water storage bin (14) is arranged between the cooling pipe (11) and the oil cylinder (2); a water inlet (12) is formed in one side of the outer surface of the cooling pipe (11); a water outlet (13) is arranged on one side of the outer surface of the cooling pipe (11), and the water inlet (12) and the water outlet (13) are positioned on the same straight line.
3. A hydraulic cylinder of long service life according to claim 1, wherein the guard mechanism (4) comprises an upper guard ring (41) and a lower guard ring (46) which are fixed to the outer surface of one side of the cylinder (2) by clamping; two fixing plates (42) are fixedly connected to two sides of the outer surface of the upper protection ring (41); two fixing plates (42) are fixedly connected to two sides of the outer surface of the lower protection ring (46); screw holes (45) are formed in the upper surface of the fixed plate (42); the lower surface of the upper protective ring (41) is fixedly connected with a dust ring (44); the upper surface of the lower protection ring (46) is fixedly connected with a dust ring (44).
4. A long life hydraulic cylinder according to claim 3, wherein the connection between the upper guard ring (41) and the lower guard ring (46) is via a fixing plate (42), and the fixing plates (42) are connected by screws (43).
5. The hydraulic cylinder with long service life according to claim 1, characterized in that one side of the outer surface of the cylinder (2) is provided with an oil inlet (5); an oil outlet (6) is formed in the other side of the outer surface of the oil cylinder (2), and the upper surfaces of the oil outlet (6) and the oil inlet (5) penetrate through the cooling pipe (11) and extend out of the cooling pipe (11); the oil inlet (5) and the oil outlet (6) are positioned on the same straight line; an oil bin (21) is arranged in the oil cylinder (2).
6. The hydraulic oil cylinder with long service life according to claim 1, wherein a protective ring (22) is fixedly connected to one side of the inner surface of the oil cylinder (2), and the protective ring (22) has the functions of sealing and dust prevention; the protection mechanism (4) plays a role in secondary protection.
CN202321959613.9U 2023-07-25 2023-07-25 Hydraulic cylinder with long service life Active CN220415885U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321959613.9U CN220415885U (en) 2023-07-25 2023-07-25 Hydraulic cylinder with long service life

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321959613.9U CN220415885U (en) 2023-07-25 2023-07-25 Hydraulic cylinder with long service life

Publications (1)

Publication Number Publication Date
CN220415885U true CN220415885U (en) 2024-01-30

Family

ID=89643202

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321959613.9U Active CN220415885U (en) 2023-07-25 2023-07-25 Hydraulic cylinder with long service life

Country Status (1)

Country Link
CN (1) CN220415885U (en)

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