CN218408001U - Floating spring type hydraulic oil cylinder - Google Patents
Floating spring type hydraulic oil cylinder Download PDFInfo
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- CN218408001U CN218408001U CN202222883809.6U CN202222883809U CN218408001U CN 218408001 U CN218408001 U CN 218408001U CN 202222883809 U CN202222883809 U CN 202222883809U CN 218408001 U CN218408001 U CN 218408001U
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- cylinder
- pressure spring
- hydraulic oil
- hydraulic
- oil cylinder
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- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 89
- 210000004907 gland Anatomy 0.000 claims abstract description 20
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
A floating spring type hydraulic oil cylinder relates to the technical field of hydraulic cylinders. For solving current hydraulic cylinder be fixed knot structure, reaction force all is used in on the hydraulic cylinder body when receiving great impulsive force to lead to appearing the crackle on the hydraulic cylinder body, and then lead to hydraulic cylinder's the short problem of life. The bottom of a hydraulic oil cylinder is sleeved with a pressure spring cylinder, a pressure spring is arranged between the bottom of the hydraulic oil cylinder and the inner top surface of the pressure spring cylinder, and the pressure spring cylinder is connected with a gland through a fixing bolt; finally, the bottom of the pressure spring cylinder body can be fixed with the ground through a hydraulic oil cylinder seat, and the hydraulic oil cylinder can work after being connected with a hydraulic pipeline; when the hydraulic oil cylinder works, under the condition that the cylinder body of the hydraulic oil cylinder is subjected to a counterforce, the bottom of the cylinder body of the hydraulic oil cylinder is in contact with the pressure spring, so that the pressure spring is compressed; therefore, the counterforce borne by the cylinder body is offset by the elasticity of the pressure spring, and the service life of the hydraulic oil cylinder is prolonged. The utility model is suitable for a pneumatic cylinder technical field.
Description
Technical Field
The utility model relates to a pneumatic cylinder technical field, concretely relates to floating spring formula hydraulic cylinder.
Background
At present, a hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or oscillating motion). It has simple structure and reliable operation. When it is used to implement reciprocating movement, it can save speed reducer, and has no transmission gap and stable movement, so that it can be extensively used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; 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 buffer device and the exhaust device are determined according to specific application occasions, and other devices are necessary. The hydraulic oil cylinder is of a fixed structure, and when the hydraulic oil cylinder suddenly receives large impact force, the reaction force can be completely acted on the hydraulic lever and the cylinder body of the hydraulic oil cylinder, so that the service life of the hydraulic oil cylinder is greatly influenced.
In conclusion, the existing hydraulic oil cylinder is of a fixed structure, and the reaction force is acted on the hydraulic cylinder body when the existing hydraulic oil cylinder is subjected to large impact force, so that cracks appear on the hydraulic cylinder body, and the service life of the existing hydraulic oil cylinder is short.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve current hydraulic cylinder and be fixed knot structure, reaction force all is used in on hydraulic cylinder body when receiving great impulsive force to lead to the crackle to appear on the hydraulic cylinder body, and then lead to the shorter problem of hydraulic cylinder's life, and provide a floating spring type hydraulic cylinder.
The utility model relates to a floating spring type hydraulic oil cylinder, which comprises a pressure spring cylinder body, a pressure spring, a gland, a hydraulic oil cylinder and a fixing bolt;
the bottom of the hydraulic oil cylinder is sleeved with a pressure spring barrel, a pressure spring is arranged between the bottom of the hydraulic oil cylinder and the inner top surface of the pressure spring barrel, a through hole is formed in the center of the upper surface of the gland, and after the telescopic end of the hydraulic oil cylinder penetrates through the through hole in the upper surface of the gland, the gland is fixedly connected with the lower surface of the pressure spring barrel through a plurality of fixing bolts;
furthermore, the working pressure of the hydraulic oil cylinder is less than the maximum elastic force of the pressure spring;
furthermore, two square through holes are uniformly processed on the upper part of the outer surface of the pressure spring cylinder along the circumferential direction;
furthermore, an annular boss is arranged on the lower part of the outer surface of the pressure spring cylinder, and two threaded holes are processed on the circumferential outer surface of the annular boss;
further, a shaft shoulder is machined at the bottom of the outer surface of the cylinder body of the hydraulic oil cylinder;
furthermore, the outer diameter of the cylinder body of the hydraulic oil cylinder is smaller than the inner diameter of the pressure spring cylinder body;
furthermore, when the hydraulic oil cylinder is used, a pressure spring cylinder body is sleeved at the bottom of the hydraulic oil cylinder, a pressure spring is arranged between the bottom of the hydraulic oil cylinder and the inner top surface of the pressure spring cylinder body, and then the pressure spring cylinder body is connected with the gland through a fixing bolt; finally, the bottom of the pressure spring cylinder body can be fixed with the ground through a hydraulic oil cylinder seat, and the hydraulic oil cylinder can work after being connected with a hydraulic pipeline; when the hydraulic oil cylinder works, under the condition that the cylinder body of the hydraulic oil cylinder is subjected to a counterforce, the bottom of the cylinder body of the hydraulic oil cylinder is in contact with the pressure spring, so that the pressure spring is compressed; and because the working pressure of the hydraulic oil cylinder is smaller than the maximum elastic force of the pressure spring, the elastic force of the pressure spring can be used for offsetting the reaction force applied to the cylinder body of the hydraulic oil cylinder, so that the cylinder body of the hydraulic oil cylinder is buffered, the phenomenon that the cylinder body of the hydraulic oil cylinder cracks due to the reaction force is avoided, and the service life of the hydraulic oil cylinder is greatly prolonged.
Compared with the prior art, the utility model following beneficial effect has:
the utility model overcomes the defects of the prior art, the bottom cover of the hydraulic oil cylinder is provided with the pressure spring barrel, and a pressure spring is arranged between the bottom of the hydraulic oil cylinder and the inner top surface of the pressure spring barrel, and then the pressure spring barrel is connected with the gland through the fixing bolt; finally, the bottom of the pressure spring cylinder body can be fixed with the ground through a hydraulic oil cylinder seat, and the hydraulic oil cylinder can work after being connected with a hydraulic pipeline; when the hydraulic oil cylinder works, under the condition that the cylinder body of the hydraulic oil cylinder is subjected to a counterforce, the bottom of the cylinder body of the hydraulic oil cylinder is in contact with the pressure spring, so that the pressure spring is compressed; and because the working pressure of the hydraulic oil cylinder is smaller than the maximum elastic force of the pressure spring, the elastic force of the pressure spring can be used for offsetting the reaction force applied to the cylinder body of the hydraulic oil cylinder, so that the cylinder body of the hydraulic oil cylinder is buffered, the phenomenon that the cylinder body of the hydraulic oil cylinder cracks due to the reaction force is avoided, and the service life of the hydraulic oil cylinder is greatly prolonged.
Drawings
Fig. 1 is a front view of a floating spring type hydraulic cylinder according to the present invention;
fig. 2 is a main sectional view of the floating spring type hydraulic cylinder according to the present invention;
fig. 3 is a top view of a gland in the floating spring type hydraulic cylinder according to the present invention;
fig. 4 is a front view of a hydraulic cylinder in the floating spring type hydraulic cylinder of the present invention;
fig. 5 is a front view of a pressure spring cylinder in a floating spring type hydraulic cylinder of the present invention.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 5, and the floating spring type hydraulic oil cylinder according to the embodiment includes a pressure spring cylinder 1, a pressure spring 2, a gland 3, a hydraulic oil cylinder 4 and a fixing bolt 5;
the bottom of the hydraulic oil cylinder 4 is sleeved with a pressure spring cylinder body 1, a pressure spring 2 is arranged between the bottom of the hydraulic oil cylinder 4 and the inner top surface of the pressure spring cylinder body 1, a through hole is formed in the center of the upper surface of the gland 3, and after the telescopic end of the hydraulic oil cylinder 4 penetrates through the through hole in the upper surface of the gland 3, the gland 3 is fixedly connected with the lower surface of the pressure spring cylinder body 1 through a plurality of fixing bolts 5;
in the specific embodiment, when the hydraulic oil cylinder is used, the bottom of the hydraulic oil cylinder 4 is sleeved with the pressure spring cylinder body 1, the pressure spring 2 is arranged between the bottom of the hydraulic oil cylinder 4 and the inner top surface of the pressure spring cylinder body 1, and then the pressure spring cylinder body 1 is connected with the gland 3 through the fixing bolt 5; finally, the bottom of the pressure spring cylinder body 1 can be fixed with the ground through a hydraulic oil cylinder seat, and the hydraulic oil cylinder 4 can work after being connected with a hydraulic pipeline; when the hydraulic oil cylinder 4 works, under the condition that the cylinder body of the hydraulic oil cylinder 4 is subjected to a counterforce, the bottom of the cylinder body of the hydraulic oil cylinder 4 is in contact with the pressure spring 2, so that the pressure spring 2 is compressed; and because the working pressure of the hydraulic oil cylinder 4 is smaller than the maximum elastic force of the pressure spring 2, the elastic force of the pressure spring 2 can be used for offsetting the reaction force applied to the cylinder body of the hydraulic oil cylinder 4, so that the cylinder body of the hydraulic oil cylinder 4 is buffered, the phenomenon that the cylinder body of the hydraulic oil cylinder 4 cracks due to the reaction force is avoided, and the service life of the hydraulic oil cylinder 4 is greatly prolonged.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 1, and the present embodiment is further limited to the hydraulic cylinder according to the first embodiment, in which the operating pressure of the hydraulic cylinder 4 is smaller than the maximum elastic force of the compression spring 2;
this embodiment, the operating pressure who adopts hydraulic cylinder 4 is less than the biggest elasticity of pressure spring 2, and when hydraulic cylinder 4 during operation, because under the cylinder body of hydraulic cylinder 4 received the counter force's the condition, can utilize the elasticity of pressure spring 2 to offset the counter force that hydraulic cylinder 4 cylinder body received, and then produce the effect of buffering to hydraulic cylinder 4's cylinder body, avoid because the counter force makes hydraulic cylinder 4's cylinder body cracked phenomenon appear, great extension hydraulic cylinder 4's life.
The third concrete implementation mode: the present embodiment will be described with reference to fig. 5, which is a further limitation of the hydraulic cylinder according to the first embodiment, in which two square through holes are uniformly formed in the upper portion of the outer surface of the pressure spring cylinder 1 in the circumferential direction;
according to the specific embodiment, two square through holes are uniformly processed in the circumferential direction on the upper portion of the outer surface of the pressure spring barrel body 1, so that the compression state of the pressure spring 2 can be observed conveniently when the pressure spring barrel is used.
The fourth concrete implementation mode is as follows: the present embodiment will be described with reference to fig. 2, which is a further limitation of the hydraulic cylinder according to the third embodiment, and in the floating spring type hydraulic cylinder according to the present embodiment, an annular boss is provided on a lower portion of an outer surface of the pressure spring cylinder 1, and two screw holes are formed in a circumferential outer surface of the annular boss.
The fifth concrete implementation mode is as follows: the present embodiment will be described with reference to fig. 2 and 4, and the present embodiment is further limited to the hydraulic cylinder according to the second embodiment, in which a shoulder is formed on the bottom of the outer surface of the cylinder body of the hydraulic cylinder 4;
this embodiment, the cylinder body surface bottom that adopts hydraulic cylinder 4 is processed there is the shaft shoulder, and this shaft shoulder cooperates with gland 3, realizes spacing the cylinder body axial of hydraulic cylinder 4 to make hydraulic cylinder 4's cylinder body float in the inside of pressure spring barrel 1.
The sixth specific implementation mode is as follows: the present embodiment will be described with reference to fig. 2, and the present embodiment is further limited to the hydraulic cylinder according to the fifth embodiment, in which the outer diameter of the cylinder body of the hydraulic cylinder 4 is smaller than the inner diameter of the pressure spring cylinder body 1;
in the specific embodiment, the outer diameter of the cylinder body of the hydraulic oil cylinder 4 is smaller than the inner diameter of the pressure spring cylinder body 1, so that the cylinder body of the hydraulic oil cylinder 4 can float in the pressure spring cylinder body 1 conveniently.
The seventh embodiment: the present embodiment will be described with reference to fig. 1, and the present embodiment is further limited to the hydraulic cylinder according to the first embodiment, in which the compression spring cylinder 1 is made of cast iron, the compression spring 2 is made of spring steel, and the gland 3 is made of carbon steel.
Principle of operation
When the hydraulic oil cylinder is used, the bottom of the hydraulic oil cylinder 4 is sleeved with a pressure spring cylinder body 1, a pressure spring 2 is arranged between the bottom of the hydraulic oil cylinder 4 and the inner top surface of the pressure spring cylinder body 1, and then the pressure spring cylinder body 1 is connected with a gland 3 through a fixing bolt 5; finally, the bottom of the pressure spring cylinder body 1 can be fixed with the ground through a hydraulic oil cylinder seat, and the hydraulic oil cylinder 4 can work after being connected with a hydraulic pipeline; when the hydraulic oil cylinder 4 works, under the condition that the cylinder body of the hydraulic oil cylinder 4 is subjected to a counterforce, the bottom of the cylinder body of the hydraulic oil cylinder 4 is contacted with the pressure spring 2, so that the pressure spring 2 is compressed; and because the working pressure of the hydraulic oil cylinder 4 is smaller than the maximum elastic force of the pressure spring 2, the elastic force of the pressure spring 2 can be used for offsetting the reaction force applied to the cylinder body of the hydraulic oil cylinder 4, so that the cylinder body of the hydraulic oil cylinder 4 is buffered, the phenomenon that the cylinder body of the hydraulic oil cylinder 4 cracks due to the reaction force is avoided, and the service life of the hydraulic oil cylinder 4 is greatly prolonged.
Claims (6)
1. The utility model provides a floating spring formula hydraulic cylinder which characterized in that: the hydraulic oil press comprises a pressure spring cylinder body (1), a pressure spring (2), a gland (3), a hydraulic oil cylinder (4) and a fixing bolt (5);
the bottom cover of hydraulic cylinder (4) is equipped with pressure spring barrel (1), and is equipped with one pressure spring (2) between the inside top surface of hydraulic cylinder (4) bottom and pressure spring barrel (1), and the upper surface central point department of gland (3) is equipped with the through-hole, and after the flexible end of hydraulic cylinder (4) passed the through-hole of gland (3) upper surface, gland (3) were connected with the lower fixed surface of pressure spring barrel (1) through a plurality of fixing bolt (5).
2. The floating spring hydraulic ram of claim 1, wherein: the working pressure of the hydraulic oil cylinder (4) is less than the maximum elastic force of the pressure spring (2).
3. The floating spring hydraulic ram of claim 1, wherein: two square through holes are uniformly processed on the upper part of the outer surface of the pressure spring cylinder body (1) along the circumferential direction.
4. A floating spring hydraulic ram according to claim 3, characterised in that: an annular boss is arranged on the lower portion of the outer surface of the pressure spring cylinder body (1), and two threaded holes are formed in the circumferential outer surface of the annular boss.
5. The floating spring hydraulic ram of claim 2, wherein: and a shaft shoulder is machined at the bottom of the outer surface of the cylinder body of the hydraulic oil cylinder (4).
6. The floating spring hydraulic ram of claim 5, wherein: the outer diameter of the cylinder body of the hydraulic oil cylinder (4) is smaller than the inner diameter of the pressure spring cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222883809.6U CN218408001U (en) | 2022-10-31 | 2022-10-31 | Floating spring type hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222883809.6U CN218408001U (en) | 2022-10-31 | 2022-10-31 | Floating spring type hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218408001U true CN218408001U (en) | 2023-01-31 |
Family
ID=85008156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222883809.6U Expired - Fee Related CN218408001U (en) | 2022-10-31 | 2022-10-31 | Floating spring type hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218408001U (en) |
-
2022
- 2022-10-31 CN CN202222883809.6U patent/CN218408001U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230131 |