CN215908171U

CN215908171U - Wear-resisting type hydraulic cylinder with protective structure

Info

Publication number: CN215908171U
Application number: CN202122358084.4U
Authority: CN
Inventors: 张道龙; 张旭
Original assignee: Yangzhou Xuxin Pneumatic Hydraulic Equipment Co ltd
Current assignee: Yangzhou Xuxin Pneumatic Hydraulic Equipment Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-02-25
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses a wear-resistant hydraulic oil cylinder with a protective structure, which aims to solve the technical problems that in the prior art, a cylinder body cannot be protected, the cylinder body is easy to deform when being impacted by external force, and a rod body is seriously damaged, so that the cylinder body cannot be normally used. The hydraulic oil cylinder comprises an oil cylinder body, fixing modules, a protection module, a piston assembly, a sliding sleeve assembly and a liquid pipe, wherein the fixing modules are arranged on the left side and the right side of the oil cylinder body and used for fixing the oil cylinder body, the protection module is arranged on the inner side of the fixing module and used for protecting the oil cylinder body, the piston assembly is arranged on the inner side of the oil cylinder body and used for pushing, the sliding sleeve assembly is connected to the left side of the oil cylinder body and used for fixing the piston assembly, and the liquid pipe is connected to the outer side of the oil cylinder body and used for liquid circulation. This hydraulic cylinder can protect the hydro-cylinder body through the setting of protection module, avoids the hydro-cylinder body to be damaged when receiving external impact, and wear-resistant coating makes the hydro-cylinder body wear-resisting more.

Description

Wear-resisting type hydraulic cylinder with protective structure

Technical Field

The utility model belongs to the technical field of hydraulic oil cylinders, and particularly relates to a wear-resistant hydraulic oil cylinder with a protective structure.

Background

The hydraulic oil cylinder is a hydraulic actuating element which does linear reciprocating motion, hydraulic energy is converted into mechanical energy for use, the hydraulic oil cylinder is widely applied to the field of machinery, the hydraulic oil cylinder generally mainly adopts an oil plug type, a certain sealing effect can be achieved through a piston, the phenomenon of oil leakage in the using process is avoided, the overall motion of the hydraulic oil cylinder is stable, the structure is simple, and the hydraulic oil cylinder is one of very common actuating elements.

At present, the utility model with patent number CN201920291940.9 relates to a wear-resisting hydraulic cylinder has cylinder body, sliding sleeve, piston rod and piston: the piston is characterized in that a Glare ring and a metal ceramic coating are arranged between the sliding sleeve and the piston rod, a wear-resistant ring and a Y-shaped ring are arranged between the piston and the inner wall of the cylinder body, three convex cylinders are uniformly arranged on one side of the piston facing the sliding sleeve, and cylindrical grooves corresponding to the three convex cylinders are formed on one side of the sliding sleeve facing the piston. The utility model has good sealing effect, is provided with the wear-resisting ring and the metal ceramic coating, effectively reduces the abrasion between the piston and the inner wall of the cylinder body, between the piston rod and the sleeve barrel, and prolongs the service life of the internal parts of the cylinder body. The retractable rubber dustproof sleeve is used for preventing dust particles, sand and stone particles and metal chips from attaching to the piston rod and preventing the dust ring from entering the interior of the cylinder body to abrade the internal parts of the cylinder body when the dustproof ring is damaged or works badly. But this application scheme can't protect the cylinder body, takes place deformation very easily when receiving external force striking, and serious meeting leads to the body of rod to appear damaged, leads to its unable normal use.

Therefore, in order to solve the problem that the hydraulic cylinder cannot protect the cylinder body, it is necessary to improve the use scenario of the hydraulic cylinder.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a wear-resistant hydraulic oil cylinder with a protection structure, which aims to solve the technical problems that the cylinder body cannot be protected, is easy to deform when being impacted by external force, and can be seriously damaged to cause the abnormal use of the rod body.

(2) Technical scheme

In order to solve the technical problems, the utility model provides a wear-resistant hydraulic oil cylinder with a protection structure, which comprises an oil cylinder body, fixing modules, a protection module, a piston assembly, a sliding sleeve assembly and a liquid pipe, wherein the fixing modules are arranged on the left side and the right side of the oil cylinder body and used for fixing the oil cylinder body; the inner side of the sliding sleeve assembly is provided with a ball used for reducing friction, the sliding sleeve assembly is arranged on the outer side of the fixed module and is connected with the fixed module through a high-strength bolt, and the oil cylinder body is internally provided with a wear-resistant coating.

When the hydraulic oil cylinder is used, firstly, a layer of wear-resistant coating is brushed on the inner side of the oil cylinder body, then the piston assembly, the sliding sleeve assembly and the oil cylinder body are assembled together, then the fixing modules are installed on the left side and the right side of the oil cylinder body and are fixed by the high-strength bolts, then the protection modules are installed on the inner side of the fixing modules, then the whole hydraulic oil cylinder is installed on a machine which needs to do reciprocating motion, and the liquid pipe is connected with other equipment for supplying oil; through the setting of protection module, can protect the hydro-cylinder body, avoid the hydro-cylinder body to be damaged when receiving external impact, through the wear-resistant coating of the inboard brush one deck at the hydro-cylinder body for the hydro-cylinder body is more wear-resisting, through the setting of ball, can be at the in-process that piston assembly removed, reduce the frictional force between piston assembly and the sliding sleeve subassembly, thereby protect piston assembly to be difficult for wearing and tearing better, make hydraulic cylinder use the time of having a specified duration also can normal use promptly.

Preferably, the sliding sleeve assembly includes the sliding sleeve body, sliding sleeve body left side is connected with and is used for fixing piston assembly's first fixed cover, first fixed cover left side is connected with the fixed cover of second, sliding sleeve body right side is connected with and is used for connecting the adapter sleeve of hydro-cylinder body, the adapter sleeve right side is connected with and is used for sealed first sealing washer. The mobile position of piston rod can be fixed better to first fixed cover and the fixed cover of second for the piston rod that exposes in the outside can keep the level, avoids appearing the condition of downward sloping and influences the normal removal of piston rod, can avoid fluid to flow out through first sealing washer, has increased the leakproofness of sliding sleeve body.

Further, the piston assembly comprises a piston rod, the piston rod is attached to the inner side of the sliding sleeve body, the right side of the piston rod is connected with a piston body used for sealing, and a second sealing ring used for sealing is arranged on the outer side of the piston body. The piston rod moves left and right to drive the piston body to move left and right, so that equipment connected to the outer side of the piston rod is driven to reciprocate, the piston body can play a sealing effect, and oil is prevented from flowing to the left side of the piston body.

Furthermore, a sealing plate used for increasing the sealing performance of the piston body is connected to the left side of the piston body, and a third sealing ring is arranged on the outer side of the sealing plate. Through the setting of closing plate, can strengthen the leakproofness of piston body for the inboard fluid of hydro-cylinder body remains on the right side of piston body all the time, avoids appearing the phenomenon of oil leak.

Preferably, the fixing module comprises a first fixing table, a second fixing table for fixing the oil cylinder body is arranged on the left side of the first fixing table, and a cushion pad for buffering acting force is arranged on the inner sides of the first fixing table and the second fixing table. Through the setting of blotter, can firmly fix the hydro-cylinder body at first fixed station and second fixed station inboard, avoid appearing not hard up sign, also can cushion the effort that transmits from first fixed station and second fixed station simultaneously, protect the hydro-cylinder body.

Furthermore, the protection module comprises a first protection shell, a second protection shell symmetrical to the first protection shell is arranged on the lower side of the first protection shell, and the first protection shell and the second protection shell are fixed on the first fixing table and the second fixing table through bolts. Form a enclosed construction through first protecting crust and second protecting crust, protect the hydro-cylinder body in the inboard of first protecting crust and second protecting crust, do not directly influence the hydro-cylinder body when receiving external force striking.

Furthermore, the inner sides of the first protective shell and the second protective shell are provided with elastic telescopic elastic elements, the inner sides of the elastic elements are connected with clamping plates for fixing the oil cylinder body, and the inner sides of the clamping plates are provided with anti-skid grooves for skid resistance. Elastic element takes place to warp when receiving external force striking, resumes the normal position rapidly again, can avoid external force direct action on splint to protect the hydro-cylinder body better, the antiskid groove can play skid-proof effect, makes protective film piece be in the same place with the hydro-cylinder body laminating better.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: according to the hydraulic oil cylinder, the oil cylinder body can be protected through the arrangement of the protection module, the oil cylinder body is prevented from being damaged when being impacted by external force, the oil cylinder body is more wear-resistant through the abrasion-resistant coating layer brushed on the inner side of the oil cylinder body, and the friction force between the piston assembly and the sliding sleeve assembly can be reduced through the arrangement of the balls in the moving process of the piston assembly, so that the piston assembly is better protected from being worn easily, and the hydraulic oil cylinder can be normally used even if being used for a long time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of a hydraulic cylinder according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of one embodiment of a hydraulic cylinder according to the present invention;

FIG. 3 is a cross-sectional view of a cylinder body in one embodiment of the hydraulic cylinder of the present invention;

fig. 4 is a schematic structural diagram of a protection module in a specific embodiment of the hydraulic oil cylinder of the present invention.

The labels in the figures are: 1. an oil cylinder body; 2. a fixed module; 3. a protection module; 4. a sliding sleeve assembly; 5. a piston assembly; 6. a liquid pipe; 7. a first fixing sleeve; 8. a second fixing sleeve; 9. a ball bearing; 10. a sliding sleeve body; 11. connecting sleeves; 12. a first seal ring; 13. a piston rod; 14. a piston body; 15. a second seal ring; 16. a sealing plate; 17. a third seal ring; 18. a first fixed table; 19. a second stationary stage; 20. a cushion pad; 21. a first protective shell; 22. an elastic element; 23. a splint; 24. an anti-slip groove; 25. a second protective shell.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood and obvious, the technical solutions in the embodiments of the present invention are clearly and completely described below to further illustrate the utility model, and obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments.

Example 1

The wear-resistant hydraulic cylinder with the protection structure comprises a cylinder body 1, fixing modules 2 which are arranged on the left side and the right side of the cylinder body 1 and used for fixing the cylinder body 1, a protection module 3 which is arranged on the inner side of the fixing module 2 and used for protecting the cylinder body 1, a piston assembly 5 which is arranged on the inner side of the cylinder body 1 and used for pushing, a sliding sleeve assembly 4 which is connected to the left side of the cylinder body 1 and used for fixing the piston assembly 5, and a liquid pipe 6 which is connected to the outer side of the cylinder body 1 and used for oil liquid circulation, wherein the structural schematic diagram of the wear-resistant hydraulic cylinder is shown in fig. 1, and the sectional diagram of the wear-resistant hydraulic cylinder is shown in fig. 2; sliding sleeve subassembly 4 inboard is equipped with and is used for reducing frictional ball 9, and sliding sleeve subassembly 4 sets up in the fixed module 2 outside, and sliding sleeve subassembly 4 links together with fixed module 2 through high strength bolt, and 1 inside of hydro-cylinder body is equipped with and is used for wear-resisting coating.

For the present embodiment, the balls 9 may be steel balls or stone balls, and the specific material thereof may be set as required.

Wherein, the sliding sleeve component 4 includes sliding sleeve body 10, sliding sleeve body 10 left side is connected with the first fixed cover 7 that is used for fixed piston component 5, first fixed cover 7 left side is connected with the fixed cover 8 of second, sliding sleeve body 10 right side is connected with the adapter sleeve 11 that is used for connecting hydro-cylinder body 1, the adapter sleeve 11 right side is connected with the first sealing washer 12 that is used for sealing, piston component 5 includes piston rod 13, the laminating of piston rod 13 is inboard at sliding sleeve body 10, piston rod 13 right side is connected with and is used for sealed piston body 14, the piston body 14 outside is equipped with and is used for sealed second sealing washer 15, piston body 14 left side is connected with the closing plate 16 that is used for increasing piston body 14 leakproofness, the closing plate 16 outside is equipped with third sealing washer 17. The first sealing ring 12, the second sealing ring 15 and the third sealing ring 17 are the same in thickness, and the first sealing ring 12, the second sealing ring 15 and the third sealing ring 17 are made of uniform rubber materials.

Meanwhile, the fixing module 2 comprises a first fixing table 18, a second fixing table 19 used for fixing the oil cylinder body 1 is arranged on the left side of the first fixing table 18, a cushion pad 20 used for buffering acting force is arranged on the inner sides of the first fixing table 18 and the second fixing table 19, the protection module 3 comprises a first protection shell 21, a second protection shell 25 symmetrical to the first protection shell 21 is arranged on the lower side of the first protection shell 21, the first protection shell 21 and the second protection shell 25 are fixed on the first fixing table 18 and the second fixing table 19 through bolts, an elastic element 22 capable of elastically stretching is arranged on the inner sides of the first protection shell 21 and the second protection shell 25, a clamping plate 23 used for fixing the oil cylinder body 1 is connected to the inner side of the elastic element 22, and an anti-skid groove 24 used for skid is formed in the inner side of the clamping plate 23. The elastic element 22 may be a spring or an elastic pad, and may be set as required.

The cross-sectional view of the cylinder body of the hydraulic cylinder is shown in fig. 3, and the structural schematic diagram of the protective module is shown in fig. 4.

It should be noted that the cylinder body 1 is a cylinder, and the size of the cylinder body can be set according to the needs.

When the hydraulic oil cylinder of the technical scheme is used, firstly, a layer of wear-resistant coating is brushed on the inner side of the oil cylinder body 1, then the piston assembly 5 and the sliding sleeve assembly 4 are assembled with the oil cylinder body 1, then the fixing module 2 is installed on the left side and the right side of the oil cylinder body 1, the fixing module is fixed by the high-strength bolt, then the protecting module 3 is installed on the inner side of the fixing module 2, then the whole hydraulic oil cylinder is installed on a machine which needs to do reciprocating motion, the liquid pipe 6 is connected with other equipment for supplying oil, the oil cylinder body 1 can be protected by the arrangement of the protecting module 3, the oil cylinder body 1 is prevented from being damaged when being impacted by external force, a layer of wear-resistant coating is brushed on the inner side of the oil cylinder body 1, and the oil cylinder body 1 is more wear-resistant.

Having thus described the principal technical features and basic principles of the utility model, and the advantages associated therewith, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description is described in terms of various embodiments, not every embodiment includes only a single embodiment, and such descriptions are provided for clarity only, and those skilled in the art will recognize that the embodiments described herein can be combined as a whole to form other embodiments as would be understood by those skilled in the art.

Claims

1. A wear-resistant hydraulic oil cylinder with a protective structure comprises an oil cylinder body, fixing modules, a protective module, a piston assembly, a sliding sleeve assembly and a liquid pipe, wherein the fixing modules are installed on the left side and the right side of the oil cylinder body and used for fixing the oil cylinder body; the oil cylinder is characterized in that balls used for reducing friction are arranged on the inner side of the sliding sleeve assembly, the sliding sleeve assembly is arranged on the outer side of the fixed module and connected with the fixed module through high-strength bolts, and a wear-resistant coating is arranged inside the oil cylinder body.

2. The wear-resistant hydraulic oil cylinder with a protective structure as claimed in claim 1, wherein the sliding sleeve assembly comprises a sliding sleeve body, a first fixing sleeve for fixing the piston assembly is connected to the left side of the sliding sleeve body, a second fixing sleeve is connected to the left side of the first fixing sleeve, a connecting sleeve for connecting the oil cylinder body is connected to the right side of the sliding sleeve body, and a first sealing ring for sealing is connected to the right side of the connecting sleeve.

3. The wear-resistant hydraulic oil cylinder with the protective structure as claimed in claim 2, wherein the piston assembly includes a piston rod, the piston rod is attached to the inner side of the sliding sleeve body, a piston body for sealing is connected to the right side of the piston rod, and a second sealing ring for sealing is arranged on the outer side of the piston body.

4. The wear-resistant hydraulic oil cylinder with a protective structure as claimed in claim 3, wherein a sealing plate for increasing the sealing performance of the piston body is connected to the left side of the piston body, and a third sealing ring is arranged on the outer side of the sealing plate.

5. The wear-resistant hydraulic oil cylinder with a protective structure as claimed in claim 1, wherein the fixing module comprises a first fixing table, a second fixing table for fixing the oil cylinder body is arranged on the left side of the first fixing table, and buffering pads for buffering acting force are arranged on the inner sides of the first fixing table and the second fixing table.

6. The wear-resistant hydraulic oil cylinder with a protective structure is characterized in that the protective module comprises a first protective shell, a second protective shell which is symmetrical to the first protective shell is arranged on the lower side of the first protective shell, and the first protective shell and the second protective shell are fixed on the first fixing table and the second fixing table through bolts.

7. The wear-resistant hydraulic oil cylinder with the protective structure according to claim 6, wherein elastic elements capable of elastically stretching and retracting are arranged on the inner sides of the first protective shell and the second protective shell, a clamping plate for fixing the oil cylinder body is connected to the inner side of each elastic element, and anti-skid grooves for skid resistance are formed in the inner side of each clamping plate.