CN217518980U - Wear-resistant hydraulic oil cylinder - Google Patents
Wear-resistant hydraulic oil cylinder Download PDFInfo
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- CN217518980U CN217518980U CN202220924430.2U CN202220924430U CN217518980U CN 217518980 U CN217518980 U CN 217518980U CN 202220924430 U CN202220924430 U CN 202220924430U CN 217518980 U CN217518980 U CN 217518980U
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Abstract
The utility model relates to the technical field of hydraulic cylinders, in particular to a wear-resistant hydraulic cylinder, which comprises a cylinder, a piston rod, an end cover and a dustproof sealing ring, wherein the piston rod is arranged in the cylinder, the end cover is arranged outside the piston rod, the outer side of the end cover is installed together with the cylinder, the dustproof sealing ring is arranged in the end cover, a dust removal mechanism is arranged outside the dustproof sealing ring, the outer side of the dust removal mechanism is fixedly connected with the end cover, the top of the dust removal mechanism is communicated with an air pipe, the outer side of the cylinder is fixedly connected with an installation box, and a cleaning fan and an air heater are arranged in the installation box; the utility model discloses, make the air pass through the shower nozzle discharge through starting the clearance fan, can clear up the foul in the dust seal outside this moment, simultaneously when the clearance along with the rotation of swivel becket, can diversely clear up the foul in the dust seal outside, guarantee the clearance effect, and need not shut down artifical clearance, adopt contactless clearance, difficult scratch piston rod surface.
Description
Technical Field
The utility model relates to a hydraulic cylinder technical field specifically is a wear-resisting hydraulic cylinder.
Background
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion, has simple structure and reliable work, can omit a speed reducing device when the hydraulic cylinder is used for realizing the reciprocating motion, has no transmission clearance and moves stably, thereby being widely applied to various mechanical hydraulic systems, and the output force of the hydraulic cylinder is in direct proportion to the effective area of a piston and the pressure difference of two sides of the piston; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device.
The dustproof sealing ring inside the end cover of the hydraulic oil cylinder existing in the current market mainly has the functions of removing dirt such as dust, sand and dust attached to the outer surface of the cylinder, rainwater and frost and the like which are raked by a reciprocating piston rod, preventing external dust and rainwater from entering the inside of a sealing mechanism, and the dustproof sealing ring has a sharp lip-shaped structure and has a cleaning function, and can isolate the dirt outside the hydraulic cylinder, and the dirt is accumulated outside the dustproof sealing ring in the long-time use process, the traditional cleaning mode adopts a shutdown manual cleaning mode, so that the manual cleaning not only has poor cleaning effect and influences the working efficiency, but also has the problem that the piston rod is easily scratched in the cleaning process, if the dirt is not cleaned for a long time, the dirt is directly extruded on the dustproof sealing ring, and the excessive extrusion is easily damaged on the surface of the piston rod and the dustproof sealing part due to the accumulation of the dirt, so that the service life of the hydraulic oil cylinder is influenced, therefore, a wear-resistant hydraulic oil cylinder is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wear-resisting hydraulic cylinder to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a wear-resistant hydraulic oil cylinder comprises an oil cylinder, a piston rod, an end cover and a dustproof sealing ring, wherein the piston rod is arranged in the oil cylinder, an end cover is arranged on the outer side of the piston rod, the outer side of the end cover is installed together with the oil cylinder, a dustproof sealing ring is installed in the end cover, and the outer side of the dustproof sealing ring is provided with a dust removal mechanism, the outer side of the dust removal mechanism is fixedly connected with the end cover, the top of the dust removing mechanism is communicated with an air pipe, the outer side of the oil cylinder is fixedly connected with an installation box, a cleaning fan and an air heater are arranged in the installation box, the cleaning fan is communicated with the air heater through an air pipe, the other end of the air heater is communicated with the dust removal mechanism through air, the air heater is used for heating air, the dustproof sealing ring is preheated in cold weather, so that the influence on the service life of the dustproof sealing ring due to excessive close contact with the outer surface of the piston rod is avoided;
the dust removing mechanism comprises an annular mounting frame, a rotating ring and an external resistance baffle plate, the outer side of the annular mounting frame is fixedly connected with the end cover, the annular mounting frame is internally provided with a rotating ring which adopts a hollow design to ensure the normal circulation of air, the top of the rotating ring is communicated with an air pipe, the inner side of the rotating ring is communicated with uniformly distributed spray heads, the design of the spray heads ensures that the side of the dustproof sealing ring, which is opposite to the oil cylinder, is comprehensively cleaned, and the outer sides of the spray heads are fixedly connected with internal resistance baffles, one sides of the internal resistance baffles are provided with second fixed plates fixedly connected with the inner sides of the annular mounting frames, the other side of the internal resistance baffle is provided with a third fixed plate fixedly connected with the inner side of the annular mounting frame, the other end of the second fixed plate is fixedly connected with a guide rod, and the other end of the guide rod is fixedly connected with a first fixing plate, and the outer side of the first fixing plate is fixedly connected with the annular mounting frame.
Preferably, the shower nozzle is the slope setting, and this kind of setting is guaranteed that under the air effort, its shower nozzle drives hollow rotating ring and rotates, internal resistance baffle is the arc setting, the internal resistance baffle outside is sliding connection with annular installing frame inner wall, and this kind of setting guarantees that outside dust is difficult for getting into wherein and influencing its normal use through the space between shower nozzle and the annular installing frame.
Preferably, the rotating ring top is equipped with outer baffle, and outer baffle inboard and trachea fixed connection that hinders, outer baffle that hinders is the arc setting, the outer baffle outside that hinders is sliding connection with annular installing frame inboard, and this kind of setting guarantees that outside dust is difficult for getting into wherein and influencing its normal use through the space between trachea and the annular installing frame.
Preferably, the guide bar outside is equipped with reset spring, reset spring one end and first fixed plate fixed connection, reset spring are used for the reseing of connecting block, guarantee that shower nozzle recirculation clears up piston rod and dust seal contact site, avoid impurity such as dust to influence equipment and use, reset spring other end fixedly connected with connecting block, the inside sliding connection that is with the guide bar of connecting block, the connecting block other end and rotating ring fixed connection.
Preferably, the guide bar is the arc setting, internal resistance baffle both sides all are equipped with first travel switch and second travel switch, and the first travel switch outside and second fixed plate fixed connection, the second travel switch outside and third fixed plate fixed connection guarantee to clear up the fan cycle through travel switch's setting and start, and then the developments are cleared up piston rod and dust seal contact site, guarantee the clearance effect.
Preferably, the outer side of the cleaning fan is fixedly connected with the installation box, and the outer side of the air heater is fixedly connected with the installation box.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, when the pneumatic cylinder uses, through starting the clearance fan make the air pass through the trachea and discharge to the rotating ring inside, then discharge through the shower nozzle, can clear up the foul in the dustproof sealing washer outside this moment, simultaneously along with the rotation of rotating ring when clearing up, can diversely clear up the foul in the dustproof sealing washer outside, guarantee the clearance effect, realize the shower nozzle is reciprocal under the effect of first travel switch and second travel switch simultaneously and clear up the foul, this kind of clearance mode not only need not shut down manual cleaning, adopt contactless clearance simultaneously, be difficult for scraping the piston rod surface;
in northern area, especially when winter, it is because of the day is cold, dustproof sealing ring inboard and piston rod surface in close contact with, increase its frictional force, influence the life of dustproof sealing ring easily, and this device can heat the air through the air heater who sets up, guarantee that dustproof sealing ring obtains preheating before the use, guarantee dustproof sealing ring's life, after long-time the use simultaneously, its dustproof sealing ring is heated the inflation, the sealed effect of its inboard and piston rod weakens, it gets into wherein to have debris easily, and this device can make the air pass through the shower nozzle discharge through starting the clearance fan, not only play the effect of clearance, play certain cooling effect simultaneously, guarantee equipment normal use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a side view of the oil cylinder of the present invention.
Fig. 3 is the schematic structural diagram of the dust removing mechanism of the present invention.
Fig. 4 is a schematic structural diagram of a portion a of fig. 3 according to the present invention.
In the figure: the device comprises an oil cylinder 1, a piston rod 2, a dust removal mechanism 3, an annular mounting frame 301, a rotating ring 302, an external resistance baffle 303, a spray head 304, an internal resistance baffle 305, a connecting block 306, a guide rod 307, a first fixing plate 308, a second fixing plate 309, a return spring 310, a first travel switch 311, a third fixing plate 312, a second travel switch 313, an air pipe 4, an air pipe 5, a cleaning fan 6, an air heater 7, an end cover 8 and a dustproof sealing ring 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a wear-resistant hydraulic oil cylinder comprises an oil cylinder 1, a piston rod 2, an end cover 8 and a dustproof sealing ring 9, wherein the piston rod 2 is installed inside the oil cylinder 1, the end cover 8 is arranged on the outer side of the piston rod 2, the outer side of the end cover 8 is installed together with the oil cylinder 1, the dustproof sealing ring 9 is installed inside the end cover 8, a dust removal mechanism 3 is arranged on the outer side of the dustproof sealing ring 9, the outer side of the dust removal mechanism 3 is fixedly connected with the end cover 8, the top of the dust removal mechanism 3 is communicated with an air pipe 4, an installation box 5 is fixedly connected with the outer side of the oil cylinder 1, a cleaning fan 6 and an air heater 7 are arranged inside the installation box 5, the cleaning fan 6 is communicated with the air heater 7 through the air pipe 4, the other end of the air heater 7 is communicated with the dust removal mechanism 3 through air, the air heater 7 is used for heating air, and further preheating the dustproof sealing ring 9 in cold weather, the phenomenon that the service life of the piston rod is influenced due to excessive close contact with the outer surface of the piston rod 2 is avoided;
the dedusting mechanism 3 comprises an annular mounting frame 301, a rotating ring 302 and an outer blocking plate 303, the outer side of the annular mounting frame 301 is fixedly connected with an end cover 8, the rotating ring 302 is arranged inside the annular mounting frame 301, the rotating ring 302 adopts a hollow design to ensure normal circulation of air, the top of the rotating ring 302 is communicated with an air pipe 4, the inner side of the rotating ring 302 is communicated with uniformly distributed spray heads 304, the design of the spray heads 304 ensures that the dustproof sealing ring 9 is comprehensively cleaned away from one side of the oil cylinder 1, the outer side of the spray heads 304 is fixedly connected with the inner blocking plate 305, one side of the inner blocking plate 305 is provided with a second fixing plate 309 fixedly connected with the inner side of the annular mounting frame 301, the other side of the inner blocking plate 305 is provided with a third fixing plate 312 fixedly connected with the inner side of the annular mounting frame 301, the other side of the second fixing plate 309 is fixedly connected with a guide rod 307, and the other side of the guide rod 307 is fixedly connected with a first fixing plate 308, the outer side of the first fixing plate 308 is fixedly connected with the annular mounting frame 301.
The shower nozzle 304 is the slope setting, and this kind of setting guarantees that under the air effort, its shower nozzle 304 drives hollow rotating ring 302 and rotates, internal resistance baffle 305 is the arc setting, the external side of internal resistance baffle 305 is sliding connection with annular installing frame 301 inner wall, and this kind of setting guarantees that outside dust is difficult for getting into wherein and influence its normal use through the space between shower nozzle 304 and the annular installing frame 301.
Rotating ring 302 top is equipped with outer baffle 303 that hinders, and outer baffle 303 inboard and trachea 4 fixed connection that hinders, outer baffle 303 that hinders is the arc setting, the outer baffle 303 outside that hinders is sliding connection with annular installing frame 301 inboard, and this kind of setting guarantees that outside dust is difficult for getting into wherein and influence its normal use through the space between trachea 4 and the annular installing frame 301.
The guide bar 307 outside is equipped with reset spring 310, reset spring 310 one end and first fixed plate 308 fixed connection, reset spring 310 are used for the resetting of connecting block 306, guarantee that 304 endless cycles of shower nozzle clear up piston rod 2 and dustproof sealing ring 9 contact site, avoid impurity such as dust to influence equipment and use, reset spring 310 other end fixedly connected with connecting block 306, connecting block 306 is inside to be sliding connection with guide bar 307, the connecting block 306 other end and swivel 302 fixed connection.
The guide bar 307 is arc-shaped, the two sides of the internal resistance baffle 305 are both provided with a first travel switch 311 and a second travel switch 313, the outer side of the first travel switch 311 is fixedly connected with the second fixing plate 309, the outer side of the second travel switch 313 is fixedly connected with the third fixing plate 312, the circulating start of the cleaning fan 6 is guaranteed through the arrangement of the travel switches, then the contact part of the piston rod 2 and the dustproof sealing ring 9 is dynamically cleaned, and the cleaning effect is guaranteed.
The outside of the cleaning fan 6 is fixedly connected with the installation box 5, and the outside of the air heater 7 is fixedly connected with the installation box 5.
The working process is as follows: when the oil cylinder 1 is started, the cleaning fan 6 and the air heater 7 are started in advance in some cold areas when the oil cylinder 1 is started, the air heater 7 heats the air discharged by the cleaning fan 6, then the air enters the rotating ring 302 through the air pipe 4, finally the air is discharged through the spray nozzle 304 to preheat the dustproof sealing ring 9, the air is ensured to be normally contacted with the outer surface of the piston rod 2, the service life of the dustproof sealing ring 9 and the piston rod 2 is ensured, meanwhile, in a preheating state or a normal use state, the air discharged by the cleaning fan 6 is discharged into the rotating ring 302 through the air pipe 4 and then is discharged through the spray nozzle 304, the air can clean dust and impurities near the dustproof sealing ring 9 and the piston rod 2, the internal resistance baffle 305 drives the rotating ring 302 to rotate under the reaction force of the air, and the internal resistance baffle 305 drives the spray nozzle 304 to rotate, the rotating ring 302 drives the connecting block 306 to slide outside the guide rod 307 and extrude the return spring 310, at the moment, one end of the spray head 304 is in contact with the first travel switch 311 outside the second fixing plate 309, at the moment, the cleaning fan 6 stops working, at the moment, the spray head 304 does not exhaust any more, under the action of the return spring 310, the connecting block 306 is driven to reset, the connecting block 306 drives the rotating ring 302 to reset and enables the other end of the spray head 304 to be in contact with the second travel switch 313 of the third fixing plate 312, at the moment, the cleaning fan 6 is started again, then, air is exhausted again through the spray head 304, at the moment, the contact part between the dustproof sealing ring 9 and the piston rod 2 can be cleaned in a reciprocating mode, impurities outside the piston rod 2 can be automatically cleaned, the impurities are not prone to be accumulated and the service lives of the dustproof sealing ring 9 and the piston rod 2 are influenced, and when the outer surface temperature of the piston rod 2 and the dustproof sealing ring 9 is higher, the cleaning fan 6 drives air to flow, the purpose of cooling the surfaces of the dustproof sealing ring 9 and the piston rod 2 is achieved, impurities on the outer sides of the piston rod 2 and the dustproof sealing ring 9 can be automatically cleaned through the arrangement, the function of preheating the dustproof sealing ring 9 is achieved when the weather is cold, and the heat dissipation function is achieved when the temperature of the outer surfaces of the piston rod 2 and the dustproof sealing ring 9 is high.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a wear-resisting hydraulic cylinder, includes hydro-cylinder (1), piston rod (2), end cover (8) and dust seal (9), its characterized in that: a piston rod (2) is installed inside the oil cylinder (1), an end cover (8) is arranged on the outer side of the piston rod (2), the outer side of the end cover (8) is installed together with the oil cylinder (1), a dustproof sealing ring (9) is installed inside the end cover (8), a dedusting mechanism (3) is arranged on the outer side of the dustproof sealing ring (9), the outer side of the dedusting mechanism (3) is fixedly connected with the end cover (8), the top of the dedusting mechanism (3) is communicated with an air pipe (4), an installation box (5) is fixedly connected with the outer side of the oil cylinder (1), a cleaning fan (6) and an air heater (7) are arranged inside the installation box (5), the cleaning fan (6) is communicated with the air heater (7) through the air pipe (4), and the other end of the air heater (7) is communicated with the dedusting mechanism (3) through air;
the dust removal mechanism (3) comprises an annular mounting frame (301), a rotating ring (302) and an outer resistance baffle (303), the outer side of the annular mounting frame (301) is fixedly connected with an end cover (8), the rotating ring (302) is arranged inside the annular mounting frame (301), the top of the rotating ring (302) is communicated with an air pipe (4), uniformly distributed spray heads (304) are communicated with the inner side of the rotating ring (302), inner resistance baffles (305) are fixedly connected to the outer side of the spray heads (304), a second fixing plate (309) fixedly connected to the inner side of the annular mounting frame (301) is arranged on one side of each inner resistance baffle (305), a third fixing plate (312) fixedly connected to the inner side of the annular mounting frame (301) is arranged on the other side of each inner resistance baffle (305), a guide rod (307) is fixedly connected to the other end of each second fixing plate (309), and a first fixing plate (308) is fixedly connected to the other end of each guide rod (307), the outer side of the first fixing plate (308) is fixedly connected with the annular mounting frame (301).
2. A wear resistant hydraulic ram according to claim 1 wherein: shower nozzle (304) are the slope setting, internal resistance baffle (305) are the arc setting, the internal resistance baffle (305) outside is sliding connection with annular installing frame (301) inner wall.
3. A wear resistant hydraulic ram according to claim 1 wherein: rotating ring (302) top is equipped with outer baffle (303) of hindering, and hinders baffle (303) inboard and trachea (4) fixed connection outward, hinder baffle (303) outward and be the arc setting, hinder baffle (303) outside outward and annular installing frame (301) inboard and be sliding connection.
4. A wear resistant hydraulic ram according to claim 1 wherein: the utility model discloses a quick-witted, including guide bar (307), reset spring (310) one end and first fixed plate (308) fixed connection, reset spring (310) other end fixedly connected with connecting block (306), inside and guide bar (307) of connecting block (306) are sliding connection, the connecting block (306) other end and rotating ring (302) fixed connection.
5. A wear resistant hydraulic ram according to claim 1 wherein: the guide rod (307) is arranged in an arc shape, a first travel switch (311) and a second travel switch (313) are arranged on two sides of the internal resistance baffle (305), the outer side of the first travel switch (311) is fixedly connected with the second fixing plate (309), and the outer side of the second travel switch (313) is fixedly connected with the third fixing plate (312).
6. A wear resistant hydraulic ram according to claim 1 wherein: the outside of the cleaning fan (6) is fixedly connected with the installation box (5), and the outside of the air heater (7) is fixedly connected with the installation box (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220924430.2U CN217518980U (en) | 2022-04-21 | 2022-04-21 | Wear-resistant hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220924430.2U CN217518980U (en) | 2022-04-21 | 2022-04-21 | Wear-resistant hydraulic oil cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN217518980U true CN217518980U (en) | 2022-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220924430.2U Active CN217518980U (en) | 2022-04-21 | 2022-04-21 | Wear-resistant hydraulic oil cylinder |
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| Country | Link |
|---|---|
| CN (1) | CN217518980U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117803716A (en) * | 2024-03-01 | 2024-04-02 | 江苏丰源船舶工程有限公司 | Watertight air brake for ship and construction method thereof |
-
2022
- 2022-04-21 CN CN202220924430.2U patent/CN217518980U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117803716A (en) * | 2024-03-01 | 2024-04-02 | 江苏丰源船舶工程有限公司 | Watertight air brake for ship and construction method thereof |
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