CN215634149U

CN215634149U - Oil cylinder protection device

Info

Publication number: CN215634149U
Application number: CN202122037489.8U
Authority: CN
Inventors: 郑友富
Original assignee: Anhui Juyuan Xinrui Precision Machinery Co ltd
Current assignee: Anhui Juyuan Xinrui Precision Machinery Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-01-25
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses an oil cylinder protection device which comprises a cylinder barrel and a piston rod, wherein an outer sleeve is sleeved on the outer side of the cylinder barrel, two ends of the outer sleeve are hermetically arranged, a strip-shaped opening is formed in one side of the outer sleeve, a heat dissipation channel is formed between the outer sleeve and the cylinder barrel, the other side of the outer sleeve is communicated with a communication cover, the top end of the communication cover is communicated with a cylinder, a rotating shaft is rotatably arranged in the cylinder, fan blades are fixedly arranged on the rotating shaft, and a driving assembly for driving the rotating shaft to rotate is arranged on the piston rod. The cylinder is communicated with the outer sleeve through the communicating cover, so that the flowing speed of gas in the radiating channel can be increased, the purpose of quickly radiating heat in the cylinder barrel and hydraulic oil is achieved, and the service life of the oil cylinder is prolonged.

Description

Oil cylinder protection device

Technical Field

The utility model relates to the technical field of oil cylinders, in particular to an oil cylinder protection device.

Background

The oil cylinder is an actuating element in a hydraulic transmission system, and is an energy conversion device for converting hydraulic energy into mechanical energy, and hydraulic oil plays important roles in energy transfer, wear resistance, system lubrication, corrosion resistance, rust resistance and the like in the hydraulic transmission system.

The existing oil cylinder is not provided with a heat dissipation structure, so that the high-temperature hydraulic oil which works for a long time in the oil cylinder cannot be quickly dissipated, the oil cylinder is easy to damage, and the service life of the oil cylinder is shortened.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a cylinder protection device to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an oil cylinder protector, includes cylinder and piston rod, the outside of cylinder is cup jointed and is installed the outer sleeve, the both ends of outer sleeve are sealed setting, and one side of outer sleeve has seted up the bar mouth, be formed with the heat dissipation passageway between outer sleeve and the cylinder, the opposite side intercommunication of outer sleeve has the intercommunication cover, and the top intercommunication of intercommunication cover has the drum, the rotation axis is installed in the inside rotation of drum, and fixed mounting has the flabellum on the rotation axis, be provided with on the piston rod and be used for driving rotation axis pivoted drive assembly.

Preferably, the driving assembly comprises a fastening ring, a connecting rod, a rack and a gear, the fastening ring is sleeved on the piston rod, the connecting rod is fixed between the fastening ring and the rack, the gear is arranged on the rotating shaft, and the gear is meshed with the rack.

Preferably, a protection cylinder is fixedly installed on one side of the cylinder, one end of the rack penetrates through the cylinder and extends into the cylinder, and one end, far away from the cylinder, of the protection cylinder is arranged in a sealing mode.

Preferably, a first protection net cover is installed at the top end of the cylinder, and a second protection net cover is fixedly installed inside the strip-shaped opening.

Preferably, the cylinder barrel is provided with a plurality of radiating fins, the radiating fins are of an annular structure and are sleeved on the outer surface of the cylinder barrel, and the plurality of radiating fins are located inside the radiating channel.

Preferably, the fastening ring comprises two half rings, the two half rings are fixedly mounted on the piston rod through bolts, and one end, far away from the rack, of the connecting rod is fixedly connected with one of the half rings.

Compared with the prior art, the utility model has the beneficial effects that:

1. this hydro-cylinder protector drives the rotation axis rotation through setting up drive assembly to just can utilize the flabellum of installation on it to produce the air current in the inside of drum, again because the drum passes through intercommunication cover and outer sleeve intercommunication, thereby can accelerate the inside gaseous flow rate of radiating passage, reach the purpose that gives off the cylinder and the inside heat of hydraulic oil fast, be favorable to prolonging the life of hydro-cylinder.

2. This hydro-cylinder protector through setting up drive assembly, utilizes the cooperation of rack and gear, and the rotary motion that can be ingenious converts the concertina movement of piston rod into the rotation axis drives the flabellum and rotates, and structural design is simple reasonable, and the in-service use is effectual.

3. This hydro-cylinder protector through setting up a plurality of loop configuration fin, the heat radiating area of increase cylinder that can show further improves the radiating effect to the cylinder.

4. This hydro-cylinder protector through with the tighrening ring split be two semi-rings, realizes the installation of two semi-rings by the bolt again and fixes, has made things convenient for the installation and the dismantlement of tighrening ring.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top cross-sectional view of the barrel of the present invention;

figure 3 is a side view of the fastening ring of the present invention.

In the figure: 1. a cylinder barrel; 2. a piston rod; 3. an outer sleeve; 4. a strip-shaped opening; 5. a communicating cover; 6. a cylinder; 7. a rotating shaft; 8. a fan blade; 9. a fastening ring; 10. a connecting rod; 11. a rack; 12. a gear; 13. a protective cylinder; 14. a first protective net cover; 15. a second protective net cover; 16. a heat sink; 17. a half ring; 18. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the oil cylinder protection device of the embodiment includes a cylinder barrel 1 and a piston rod 2, an outer sleeve 3 is sleeved outside the cylinder barrel 1, two ends of the outer sleeve 3 are hermetically arranged, a strip-shaped opening 4 is formed in one side of the outer sleeve 3, a heat dissipation channel is formed between the outer sleeve 3 and the cylinder barrel 1, the other side of the outer sleeve 3 is communicated with a communication cover 5, a cylinder 6 is communicated with the top end of the communication cover 5, a rotating shaft 7 is rotatably mounted inside the cylinder 6 through a bearing, a fan blade 8 is fixedly mounted on the rotating shaft 7, and a driving assembly for driving the rotating shaft 7 to rotate is arranged on the piston rod 2; drive rotation axis 7 through setting up drive assembly and rotate to just can utilize the flabellum 8 of installation on it to produce the air current in the inside of drum 6, again because drum 6 communicates with outer sleeve 3 through intercommunication cover 5, thereby can accelerate the inside gaseous flow rate of heat dissipation channel, reach the inside thermal purpose of giving off cylinder 1 and hydraulic oil fast, be favorable to prolonging the life of hydro-cylinder.

Specifically, the driving assembly comprises a fastening ring 9, a connecting rod 10, a rack 11 and a gear 12, the fastening ring 9 is sleeved on the piston rod 2, the connecting rod 10 is fixed between the fastening ring 9 and the rack 11, the gear 12 is arranged on the rotating shaft 7, and the gear 12 is meshed with the rack 11; through setting up drive assembly, utilize rack 11 and gear 12's cooperation, can be ingenious with the concertina movement of piston rod 2 convert the rotary motion of rotation axis 7 into the rotary motion drive flabellum 8 and rotate, structural design is simple reasonable, and the in-service use is effectual.

Further, one side fixed mounting of drum 6 has a protection section of thick bamboo 13, and a protection section of thick bamboo 13 can protect rack 11, avoids telescopic rack 11 to damage, has also improved the safety in utilization of this structure simultaneously, and drum 6 is passed and is extended to the inside of drum 6 to the one end of rack 11, and the one end that drum 6 was kept away from to a protection section of thick bamboo 13 is sealed setting.

Further, a first protection screen 14 is installed at the top end of the cylinder 6, and a second protection screen 15 is fixedly installed inside the strip-shaped opening 4; the first and second

protective screens

14 and 15 are provided to prevent foreign objects from entering the cylinder 6 and the outer sleeve 3.

Further, a plurality of radiating fins 16 are arranged on the cylinder barrel 1, the radiating fins 16 are of an annular structure, the radiating fins 16 are sleeved on the outer surface of the cylinder barrel 1, and the plurality of radiating fins 16 are all located inside the radiating channel; through setting up a plurality of loop configuration fin 16, the increase cylinder 1's that can show heat radiating area further improves the radiating effect to cylinder 1.

Furthermore, the fastening ring 9 comprises two half rings 17, the two half rings 17 are fixedly mounted on the piston rod 2 through bolts 18, and one end of the connecting rod 10 far away from the rack 11 is fixedly connected with one of the half rings 17; through with the split of tighrening ring 9 two semi-rings 17, realize the installation of two semi-rings 17 by bolt 18 again and fix, made things convenient for tighrening ring 9's installation and dismantlement.

The using method of the embodiment comprises the following steps: firstly, the oil cylinder is arranged at a specified position, then, in the process of starting the oil cylinder, as the piston rod 2 can do telescopic reciprocating motion on the cylinder barrel 1, the rack 11 fixedly connected with the piston rod 2 through the fastening ring 9 and the connecting rod 10 can also do telescopic reciprocating motion along with the piston rod 2, as the rack 11 is meshed with the gear 12 and the gear 12 is fixed on the rotating shaft 7, the telescopic reciprocating motion of the rack 11 can be converted into the rotating motion of the rotating shaft 7, at the moment, the fan blades 8 arranged on the rotating shaft 7 can rotate, so that the gas in the cylinder 6 flows, and as the cylinder 6 is communicated with the outer sleeve 3 through the communicating cover 5, the flowing speed of the gas in the heat dissipation channel can be accelerated, the purpose of quickly dissipating the heat in the cylinder barrel 1 and the hydraulic oil is achieved, and the heat dissipation area of the cylinder barrel 1 can be obviously increased through the heat dissipation fins 16 with a plurality of annular structures, further improve the radiating effect to cylinder 1, be favorable to prolonging the life of hydro-cylinder.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an hydro-cylinder protector, includes cylinder (1) and piston rod (2), its characterized in that: the utility model discloses a cylinder, including cylinder (1), outer sleeve (3), the both ends of outer sleeve (3) are sealed setting, and one side of outer sleeve (3) has seted up bar mouth (4), be formed with the heat dissipation passageway between outer sleeve (3) and cylinder (1), the opposite side intercommunication of outer sleeve (3) has intercommunication cover (5), and the top intercommunication of intercommunication cover (5) has drum (6), the internal rotation of drum (6) installs rotation axis (7), and fixed mounting has flabellum (8) on rotation axis (7), be provided with on piston rod (2) and be used for driving rotation axis (7) pivoted drive assembly.

2. The cylinder guard of claim 1, wherein: the driving assembly comprises a fastening ring (9), a connecting rod (10), a rack (11) and a gear (12), the fastening ring (9) is sleeved on the piston rod (2), the connecting rod (10) is fixed between the fastening ring (9) and the rack (11), the gear (12) is installed on the rotating shaft (7), and the gear (12) is meshed with the rack (11).

3. The cylinder guard of claim 2, wherein: one side fixed mounting of drum (6) has a protection section of thick bamboo (13), the one end of rack (11) is passed drum (6) and is extended to the inside of drum (6), the one end that drum (6) were kept away from in protection section of thick bamboo (13) is sealed setting.

4. The cylinder guard of claim 1, wherein: a first protection screen (14) is installed at the top end of the cylinder (6), and a second protection screen (15) is fixedly installed inside the strip-shaped opening (4).

5. The cylinder guard of claim 1, wherein: the cylinder barrel (1) is provided with a plurality of radiating fins (16), the radiating fins (16) are of annular structures, the radiating fins (16) are sleeved on the outer surface of the cylinder barrel (1), and the radiating fins (16) are located inside the radiating channel.

6. The cylinder guard of claim 2, wherein: the fastening ring (9) comprises two half rings (17), the two half rings (17) are fixedly mounted on the piston rod (2) through bolts (18), and one end, far away from the rack (11), of the connecting rod (10) is fixedly connected with one of the half rings (17).