CN212838708U

CN212838708U - Long service life's pneumatic cylinder

Info

Publication number: CN212838708U
Application number: CN202021668967.4U
Authority: CN
Inventors: 张月平; 陈茂; 欧利萍
Original assignee: Luzhou Yongwei Hydraulic Part Co ltd
Current assignee: Luzhou Yongwei Hydraulic Part Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-03-30
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a long-service-life hydraulic cylinder, which comprises a connecting plate and a pressure cylinder, wherein the pressure cylinder is arranged at the front end of the connecting plate, a supporting shaft is arranged on the outer wall of the front end of the connecting plate outside the pressure cylinder, a fixed plate is arranged on the outer wall of the front end of the pressure cylinder, a hydraulic rod is arranged inside the front end of the pressure cylinder, the outer wall of the front end of the hydraulic rod passes through the fixed plate and is arranged at the front side of the fixed plate, a water-cooling fixing device is sleeved outside the hydraulic rod at the front end of the fixed plate, the water-cooling fixing device is additionally arranged on the long-service-life hydraulic cylinder, a copper ring with high heat transfer efficiency is arranged inside the water-cooling fixing device, the heat generated by the hydraulic rod can be effectively transferred to the copper ring, the heat generated by the work of the hydraulic cylinder can be timely discharged through a water-cooling circulating system to reduce the working, effectively prolonging the service life of the hydraulic cylinder.

Description

Long service life's pneumatic cylinder

Technical Field

The utility model belongs to the technical field of the pneumatic cylinder is relevant, concretely relates to long service life's pneumatic cylinder.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion), and has simple structure and reliable operation. When it is used to implement reciprocating movement, it can remove speed-reducing device, and has no transmission gap, and its movement is stable, so that it can be extensively used in hydraulic systems of various machines.

The existing hydraulic cylinder technology with long service life has the following problems: the inside hydraulic stem of pneumatic cylinder needs flexible use when using, and the hydraulic stem that stretches out and draws back always can produce more heat because pressure is great, but these heats can not the equivalent discharge, just make the hydraulic stem can work in overheated environment, and the long-time work can influence the life of pneumatic cylinder in overheated environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long service life's pneumatic cylinder to the pneumatic cylinder that proposes can produce more heat and can not discharge in solving above-mentioned background art for a long time work and make the pneumatic cylinder work under overheated environment, influence pneumatic cylinder working life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic cylinder with long service life comprises a connecting plate and a pressure cylinder, wherein the front end of the connecting plate is provided with the pressure cylinder, a supporting shaft is arranged on the outer wall of the front end of the connecting plate outside the pressure cylinder, a fixed plate is arranged on the outer wall of the front end of the pressure cylinder, a hydraulic rod is arranged inside the front end of the pressure cylinder, the outer wall of the front end of the hydraulic rod penetrates through the fixed plate and is arranged on the front side of the fixed plate, a water-cooling fixing device is sleeved outside the hydraulic rod at the front end of the fixed plate, a connector is sleeved outside the front end of the hydraulic rod, the water-cooling fixing device comprises a drain pipe, a fixing head, a connecting frame, a fixing ring, a dust removing sleeve, a fixing barrel, a threaded sleeve and a fixing copper ring, the fixing barrel is arranged on the outer wall of the front end of the fixed plate, the threaded sleeve is sleeved outside the fixing barrel, the connecting frame is arranged, the drain pipe cup joints in the upper end outside of fixed head, fixed copper ring cup joints in the inside of connecting frame, gu fixed ring sets up inside the connecting frame of fixed copper ring front end, the dust removal cover sets up on gu fixed ring's inner wall, the inner wall of dust removal cover and the outer wall of hydraulic stem can laminate completely.

Preferably, the number of the fixing heads is two, the two fixing heads are respectively arranged on the outer walls of the upper end and the lower end of the connecting frame, and a water inlet pipe is sleeved outside the fixing head at the lower end of the connecting frame.

Preferably, the inner wall of the connecting frame is a sealing wall, and the outer wall of the fixed copper ring and the inner wall of the connecting frame can be completely attached.

Preferably, the outer wall of the fixing ring is provided with a convex ring, and the fixing ring is connected to the inside of the connecting frame through the convex ring.

Preferably, the outer wall of the front end of the hydraulic rod is provided with a fixing thread, and the hydraulic rod is in threaded connection with the connector through the fixing thread.

Preferably, connectors are arranged at the front ends of the fixing plates close to the inner parts of the outer walls of the four corners, and the outer walls of the fixing plates are smooth walls.

Compared with the prior art, the utility model provides a long service life's pneumatic cylinder possesses following beneficial effect:

the utility model discloses an install water-cooling fixing device additional on long service life's pneumatic cylinder, the inside copper ring that heat transfer efficiency is high that is provided with of water-cooling fixing device, can effectively transmit the heat that the hydraulic stem produced to the copper ring, cool off the copper ring through water-cooling endless link frame again, thereby reduce the temperature of hydraulic stem, make the operational environment temperature of hydraulic stem obtain effectively reducing, when using, link together drain pipe and inlet tube with outside water cooling system, bring out the high temperature on the hydraulic stem surface that the copper ring absorbs through the circulation of cold water in the link frame inside, and can effectively get rid of the dust on the hydraulic stem surface on the surface of dust removal cover through the dust removal cover with hydraulic stem surface contact, can screw down the link frame from the fixed cylinder outside through the thread bush, detain the solid fixed ring from the link frame inside and wash the change can to the dust removal cover, the benefit of doing so is, can in time discharge the operating temperature who reduces the pneumatic cylinder through water-cooling circulation system with the heat that the pneumatic cylinder work produced, effectively improve the life of pneumatic cylinder.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a three-dimensional structure of a hydraulic cylinder with a long service life provided by the present invention;

fig. 2 is a schematic view of a front structure of a hydraulic cylinder with a long service life provided by the present invention;

fig. 3 is a schematic view of a three-dimensional structure of the water-cooling fixing device provided by the present invention;

fig. 4 is a schematic view of the front internal structure of the water-cooling fixing device provided by the present invention;

in the figure: 1. a connecting plate; 2. a pressure cylinder; 3. a support shaft; 4. a fixing plate; 5. a water-cooled fixing device; 6. a hydraulic lever; 7. a connector; 8. a drain pipe; 9. a fixed head; 10. a connecting frame; 11. a fixing ring; 12. a dust removal sleeve; 13. a fixed cylinder; 14. a threaded sleeve; 15. and fixing the copper ring.

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 hydraulic cylinder with long service life comprises a connecting plate 1 and a pressure cylinder 2, wherein the front end of the connecting plate 1 is provided with the pressure cylinder 2, the outer wall of the front end of the connecting plate 1 outside the pressure cylinder 2 is provided with a support shaft 3, the outer wall of the front end of the pressure cylinder 2 is provided with a fixing plate 4, the front end of the fixing plate 4 is provided with a connector close to the inner part of the outer walls of four corners, the outer wall of the fixing plate 4 is a smooth wall, the fixing plate 4 and external equipment can be connected together through the connector to fix the position of the fixing plate 4, the front end of the pressure cylinder 2 is internally provided with a hydraulic rod 6, the outer wall of the front end of the hydraulic rod 6 penetrates through the fixing plate 4 and is arranged at the front side of the fixing plate 4, the outer part of the hydraulic rod 6 at the front end of the fixing plate 4 is sleeved with a water-cooling fixing device 5, the outer part of, can take off connector 7 from 6 front ends of hydraulic stem through fixed screw, convenient change, including drain pipe 8 on the water-cooling fixing device 5, fixed head 9, the splice box 10, solid fixed ring 11, dust removal cover 12, solid fixed cylinder 13, thread bush 14 and fixed copper ring 15, gu fixed cylinder 13 sets up on the front end outer wall of fixed plate 4, thread bush 14 cup joints the outside at solid fixed cylinder 13, splice box 10 sets up on the front end outer wall of thread bush 14, fixed head 9 sets up on the upper end outer wall of splice box 10, fixed head 9 is provided with two altogether, two fixed heads 9 set up respectively on the upper and lower end outer wall of splice box 10, the inlet tube has been cup jointed to the fixed head 9 outside of splice box 10 lower extreme, inlet tube and drain pipe 8 through upper and lower extreme, can control the water-cooling circulation to splice box 10 inside.

A long-service-life hydraulic cylinder is characterized in that a drain pipe 8 is sleeved outside the upper end of a fixing head 9, a fixing copper ring 15 is sleeved inside a connecting frame 10, the inner wall of the connecting frame 10 is a sealing wall, the outer wall of the fixing copper ring 15 and the inner wall of the connecting frame 10 can be completely attached, the sealing connecting frame 10 can be watertight, the problem of water leakage during water cooling circulation is solved, a fixing ring 11 is arranged inside the connecting frame 10 at the front end of the fixing copper ring 15, a convex ring is arranged on the outer wall of the fixing ring 11, the fixing ring 11 is connected inside the connecting frame 10 through the convex ring, the fixing ring 11 can be clamped inside the connecting frame 10 through the convex ring, the fixing ring 11 is prevented from loosening inside the connecting frame 10, a dust removing sleeve 12 is arranged on the inner wall of the fixing ring 11, and the inner wall of the dust removing sleeve 12 and the outer wall.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the working principle of the hydraulic cylinder with long service life is that the pressure increasing rod (hydraulic hand pump) makes the hydraulic oil enter the pressure cylinder 2 through a one-way valve, at this time, the hydraulic oil entering the pressure cylinder 2 can not back up because of the one-way valve, the hydraulic rod 6 is forced to rise, then the hydraulic oil continues to enter the pressure cylinder 2 by doing work, the hydraulic valve is opened when the hydraulic cylinder is going to fall, the hydraulic oil returns to the oil tank, when in use, the pressure cylinder 2 is fixed at the place needing to be used through the fixing plate 4, the drain pipe 8 and the inlet pipe are connected with the external water cooling system, the high temperature on the surface of the hydraulic rod 6 absorbed by the fixing copper ring 15 is taken out through the circulation of cold water inside the connecting frame 10, and the dust on the surface of the hydraulic rod 6 can be effectively removed on the surface of the dust removing sleeve 12 through the dust removing sleeve 12 in surface contact, the connecting frame 10 can be unscrewed from the outside of the fixed cylinder 13 through the threaded sleeve 14, and the fixed ring 11 is buckled out from the inside of the connecting frame 10 to clean and replace the dust removing sleeve 12.

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

1. The utility model provides a long service life's pneumatic cylinder, includes connecting plate (1) and pressure jar (2), its characterized in that: the hydraulic cylinder is characterized in that a hydraulic cylinder (2) is installed at the front end of the connecting plate (1), a supporting shaft (3) is arranged on the outer wall of the front end of the connecting plate (1) outside the hydraulic cylinder (2), a fixing plate (4) is arranged on the outer wall of the front end of the hydraulic cylinder (2), a hydraulic rod (6) is arranged inside the front end of the hydraulic cylinder (2), the outer wall of the front end of the hydraulic rod (6) penetrates through the fixing plate (4) and is arranged on the front side of the fixing plate (4), a water-cooling fixing device (5) is sleeved outside the hydraulic rod (6) at the front end of the fixing plate (4), a connector (7) is sleeved outside the front end of the hydraulic rod (6), the water-cooling fixing device (5) comprises a drain pipe (8), a fixing head (9), a connecting frame (10), a fixing ring (11), a dust removing sleeve (12), a fixing barrel (13, the utility model discloses a dust removal device, including a fixed cylinder (13), thread bush (14), drain pipe (8), connection frame (10), fixed copper ring (15), fixed ring (11), fixed copper ring (15), fixed cylinder (13) and hydraulic stem (6), the fixed cylinder (13) sets up on the front end outer wall of fixed cylinder (4), thread bush (14) cup joints the outside at fixed cylinder (13), connection frame (10) set up on the front end outer wall of thread bush (14), fixed head (9) set up on the upper end outer wall of connection frame (10), the drain pipe (8) cup joints the upper end outside at fixed head (9), fixed copper ring (15) cup joints the inside at connection frame (10), fixed ring (11) sets up inside connection frame (10) at fixed copper ring (15) front end, dust removal cover (12) set up on the inner wall of fixed ring (11), the inner wall of dust removal.

2. A long-life hydraulic cylinder as claimed in claim 1, characterized in that: the water inlet pipe is characterized in that the number of the fixing heads (9) is two, the fixing heads (9) are respectively arranged on the outer walls of the upper end and the lower end of the connecting frame (10), and the water inlet pipe is sleeved outside the fixing heads (9) at the lower end of the connecting frame (10).

3. A long-life hydraulic cylinder as claimed in claim 1, characterized in that: the inner wall of the connecting frame (10) is a sealing wall, and the outer wall of the fixed copper ring (15) and the inner wall of the connecting frame (10) can be completely attached.

4. A long-life hydraulic cylinder as claimed in claim 1, characterized in that: the outer wall of the fixing ring (11) is provided with a convex ring, and the fixing ring (11) is connected to the inside of the connecting frame (10) through the convex ring.

5. A long-life hydraulic cylinder as claimed in claim 1, characterized in that: the hydraulic rod is characterized in that fixed threads are arranged on the outer wall of the front end of the hydraulic rod (6), and the hydraulic rod (6) is in threaded connection with the connector (7) through the fixed threads.

6. A long-life hydraulic cylinder as claimed in claim 1, characterized in that: connectors are arranged at the front ends of the fixing plates (4) close to the inner parts of the outer walls of the four corners, and the outer walls of the fixing plates (4) are smooth walls.