CN112324738B - Hydraulic cylinder capable of effectively preventing fatigue fracture - Google Patents
Hydraulic cylinder capable of effectively preventing fatigue fracture Download PDFInfo
- Publication number
- CN112324738B CN112324738B CN202011246022.8A CN202011246022A CN112324738B CN 112324738 B CN112324738 B CN 112324738B CN 202011246022 A CN202011246022 A CN 202011246022A CN 112324738 B CN112324738 B CN 112324738B
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- China
- Prior art keywords
- hydraulic cylinder
- rod
- right end
- cover
- end cover
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1433—End caps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Actuator (AREA)
Abstract
The invention discloses a hydraulic cylinder capable of effectively preventing fatigue fracture, which comprises a left end cover, a hydraulic cylinder body and a right end cover, wherein the middle part of the inner side of the left end cover is fixedly provided with the hydraulic cylinder body, the right end of the hydraulic cylinder body is fixedly arranged on the left side of the right end cover, the right end of a movable column is arranged on the right end cover, the movable column and a movable rod are connected with each other through an internal spring, the right end of a connecting cover is provided with an adjusting arc plate, the inner side of the adjusting arc plate is fixedly provided with a lateral rod, the outer end of a clamping column is fixedly arranged on the inner side of the connecting cover, and the clamping column and the roller rod are mutually connected through a reset spring. This can effectively prevent fatigue fracture's hydraulic cylinder can play good shock attenuation guard action, reduces the possibility that takes place fatigue fracture because of self load power is too big, can play certain dustproof guard action simultaneously, prevents that dust from entering into self inside.
Description
Technical Field
The invention relates to the technical field related to hydraulic cylinders, in particular to a hydraulic cylinder capable of effectively preventing fatigue fracture.
Background
With the development of society, the mechanical industry is also continuously advancing, and the hydraulic cylinder is as the component commonly used in the mechanical industry, and common structural style can be divided into several categories such as piston type, plunger type, telescopic and oscillating, and hydraulic cylinder is the executive component in the hydraulic transmission system, can effectually change hydraulic energy into mechanical energy through hydraulic cylinder.
However, the existing hydraulic cylinder has the following problems:
1. the existing hydraulic oil cylinder is inconvenient to play a good role in damping and protecting during use, so that when a piston rod of the hydraulic oil cylinder reciprocates, fatigue fracture is often caused due to overlarge load force of the piston rod;
2. the existing hydraulic cylinder is inconvenient to play a certain dustproof protection role in the working process, and dust is easy to enter the inside of the hydraulic cylinder after the hydraulic cylinder is used for a long time, so that the practicability of the hydraulic cylinder is reduced.
Aiming at the problems, the novel hydraulic cylinder is innovatively designed based on the original hydraulic cylinder.
Disclosure of Invention
The invention aims to provide a hydraulic cylinder capable of effectively preventing fatigue fracture, which aims to solve the problems that the prior hydraulic cylinder is inconvenient to play a good damping protection role in use in the prior art, so that fatigue fracture is often caused by overlarge self-loading force when a piston rod of the hydraulic cylinder reciprocates, a certain dustproof protection role is inconvenient to play in the working process, dust is easy to enter the hydraulic cylinder after the hydraulic cylinder is used for a long time, and the practicability of the hydraulic cylinder is reduced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a can effectively prevent tired cracked hydraulic cylinder, includes left end cover, hydraulic cylinder body and right-hand member lid, the inboard mid-mounting of left end cover has the hydraulic cylinder body, and the right-hand member fixed mounting of hydraulic cylinder body is in the left side of right-hand member lid, the movable rod is installed to the avris of hydraulic cylinder body, and the right-hand member of movable rod is installed in the inside of joint post, the right-hand member of movable post is installed on the right-hand member lid, and through built-in spring interconnect between movable post and the movable rod, the right-hand member avris fixed mounting of left end cover has the locating piece, and the outside of locating piece is installed and is linked up the lid, the right-hand member of linking up lid is installed and is adjusted the arc, and is adjusted through locking bolt interconnect between the outside of arc and the linking lid, the inboard fixed mounting of adjusting the arc has the side direction pole, and the left end fixed mounting of side direction pole has the tip piece, the gyro wheel pole is installed in the inside of joint post to the outer end of gyro wheel pole, the outer end mounting of joint post is in the gyro wheel of joint post and through reset spring interconnect between joint post and the joint post.
Preferably, a movable rod and a movable column are arranged between the right end cover and the hydraulic cylinder body, and the right end cover and the hydraulic cylinder body are respectively connected with the ends of the movable column and the movable rod in a hinged mode.
Preferably, the inner wall of the movable column and the outer wall of the movable rod are mutually attached, and a sliding connection structure is formed between the movable rod and the movable column.
Preferably, the locating piece is in the inboard evenly distributed of left end cover and right-hand member lid, and the outer wall of locating piece respectively with link up and adjust mutually laminating between the arc to link up and adjust the arc and all set up with the horizontal axis symmetry of left end cover.
Preferably, the adjusting arc plate is in sliding connection with the connecting cover, an integrated structure is formed between the inner side of the adjusting arc plate and the end part of the lateral rod, and a welding integrated structure is formed between the end part of the lateral rod and the end part mounting block.
Preferably, the outer side of the end part installation block is mutually attached to the inner end of the roller rod, the outer wall of the outer end of the roller rod is mutually attached to the inner wall of the clamping column, and a sliding connection structure is formed between the roller rod and the clamping column.
Compared with the prior art, the invention has the beneficial effects that: the hydraulic cylinder capable of effectively preventing fatigue fracture can play a good role in damping and protecting, reduce the possibility of fatigue fracture caused by overlarge self load force, play a certain role in dust prevention and protection, and prevent dust from entering the inside of the hydraulic cylinder;
1. the movable rod is arranged, when the hydraulic cylinder body vibrates, the movable rod can play a certain buffering role under the action of the built-in spring, meanwhile, the roller rod can be extruded under the action of the end mounting block by the movement of the lateral rod, and further damping and buffering roles can be played under the action of the reset spring by utilizing the sliding of the roller rod in the clamping column, so that the hydraulic cylinder body is prevented from fatigue fracture caused by poor damping performance during working;
2. be provided with the linking lid, thereby utilize the linking lid of symmetric distribution and adjust the arc can play certain dustproof guard action to inside hydraulic cylinder body in the in-process of using to this reduces the possibility that the dust got into inside hydraulic cylinder body, loosens locking bolt simultaneously, and outside pulling links up lid and adjusts the arc, takes place to break away from when linking lid and adjusting between arc and the locating piece, can dismantle it, thereby make things convenient for subsequent maintenance and change.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic diagram of the front structure of the present invention;
FIG. 3 is a schematic cross-sectional view of a movable bar and a movable column according to the present invention;
FIG. 4 is a schematic side view of the adaptor cover and the adjusting arc plate of the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
fig. 6 is a schematic cross-sectional view of the roller bar and the clamping post of the present invention.
In the figure: 1. a left end cover; 2. a hydraulic cylinder body; 3. a right end cover; 4. a moving rod; 5. a movable column; 6. a built-in spring; 7. a positioning block; 8. a connection cover; 9. adjusting the arc-shaped plate; 10. a locking bolt; 11. a lateral rod; 12. an end mounting block; 13. a roller bar; 14. a clamping column; 15. and a return spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a can effectively prevent tired cracked hydraulic cylinder, including left end cover 1, hydraulic cylinder body 2, right side end cover 3, movable rod 4, movable column 5, built-in spring 6, locating piece 7, link up lid 8, adjust arc 9, locking bolt 10, lateral lever 11, tip installation piece 12, gyro wheel pole 13, joint post 14 and reset spring 15, the inboard mid-mounting of left end cover 1 has hydraulic cylinder body 2, and the right-hand member fixed mounting of hydraulic cylinder body 2 is in the left side of right-hand member lid 3, movable rod 4 is installed on the right side of hydraulic cylinder body 2, and the right-hand member of movable rod 4 is installed in the inside of movable column 5, the right-hand member of movable column 5 is installed on right-hand member lid 3, and interconnect through built-in spring 6 between movable column 5 and the movable rod 4, the right-hand member side fixed mounting of left end lid 1 has locating piece 7, and the outside of locating piece 7 installs two link up lids 8, the right-hand member of link up lid 8 is installed adjust arc 9, connect through locking bolt 10 interconnect between the two regulation arc 9 outsides, connect the outside through locking bolt 10 between the two outside lid 8 outside and install the inside end of 13 at the inside of 13, the inside end of the fixed connection post 12 is installed at the inside of movable column 11, the inside end of movable column 5 is installed at the inside end of 13, the inside end of roller 13 is installed through the 13, the inside end of the fixed connection piece is connected through the 13.
Install movable rod 4 and movable column 5 between right-hand member lid 3 and the hydraulic cylinder body 2, and be articulated connection between right-hand member lid 3 and the hydraulic cylinder body 2 and the tip of movable column 5 and movable rod 4 respectively, the motion of right-hand member lid 3 can make movable rod 4 slide in the inside of movable column 5.
The inner wall of movable column 5 and the outer wall of movable column 4 laminate each other, and constitute sliding connection structure between movable column 4 and the movable column 5, laminate each other between movable column 5 and the movable column 4 to can improve the stability of movable column 5 inside motion of movable column 4 when using.
The locating piece 7 evenly distributes in the inboard of left end cover 1 and right-hand member lid 3, and the outer wall of locating piece 7 respectively with link up and laminating each other between lid 8 and the regulation arc 9 to link up lid 8 and the horizontal axis symmetry setting about left end cover 1 of regulation arc 9, thereby utilize the link up lid 8 of symmetric distribution and adjust arc 9 and can play certain dustproof guard action to hydraulic cylinder body 2.
The adjusting arc plate 9 is in sliding connection with the connecting cover 8, an integrated structure is formed between the inner side of the adjusting arc plate 9 and the end part of the lateral rod 11, a welding integrated structure is formed between the end part of the lateral rod 11 and the end part mounting block 12, and the adjusting arc plate 9 can drive the lateral rod 11 to synchronously move in the connecting cover 8.
The outside of tip installation piece 12 and laminating each other between the inner of gyro wheel pole 13, and laminating each other between the outer end outer wall of gyro wheel pole 13 and the inner wall of joint post 14, and constitute sliding connection structure between gyro wheel pole 13 and the joint post 14, the motion of tip installation piece 12 can extrude gyro wheel pole 13 under the effect of hypotenuse, utilizes gyro wheel pole 13 to play certain cushioning effect at the inside motion of joint post 14 at this moment under reset spring 15's effect.
Working principle: when the hydraulic cylinder capable of effectively preventing fatigue fracture is used, firstly, according to the illustrations of figures 1-6, the connecting cover 8 and the adjusting arc plate 9 are respectively aligned with the positioning blocks 7 on the inner sides of the left end cover 1 and the right end cover 3, then the connecting cover 8 and the adjusting arc plate 9 are pushed to enable the inner ends of the symmetrically distributed connecting cover 8 and the adjusting arc plate 9 to be mutually attached, and at the moment, the symmetrically distributed connecting cover 8 and the adjusting arc plate 9 are mutually fixed through the locking bolts 10, as illustrated in figure 2, therefore, in the use process, a certain dustproof protection effect can be achieved on the hydraulic cylinder body 2 through the symmetrically distributed connecting cover 8 and the adjusting arc plate 9, and the possibility that dust enters the inside of the hydraulic cylinder body 2 after long-time use is reduced;
as shown in fig. 1, fig. 3, fig. 5 and fig. 6, when the hydraulic cylinder body 2 vibrates in the using process, the moving rod 4 slides in the movable column 5, the moving rod 4 can play a certain role in damping and buffering under the action of the built-in spring 6 in the movable column 5, meanwhile, when vibration occurs, the adjusting arc plate 9 slides in the connecting cover 8, the adjusting arc plate 9 can move to drive the end mounting block 12 to synchronously move under the action of the lateral rod 11, the end mounting block 12 can move to squeeze the roller rod 13 under the action of the oblique side, at this time, the roller rod 13 slides in the clamping column 14 after being stressed, and the moving of the roller rod 13 can play a further role in damping and buffering under the action of the reset spring 15, so that the phenomenon that fatigue fracture of the hydraulic cylinder body 2 is caused due to inconvenience of the moving rod is avoided.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 can effectively prevent tired cracked hydraulic cylinder, includes left end cover (1), hydraulic cylinder body (2) and right-hand member lid (3), its characterized in that: the hydraulic cylinder body (2) is fixedly arranged in the middle of the inner side of the left end cover (1), the right end of the hydraulic cylinder body (2) is fixedly arranged on the left side of the right end cover (3), the moving rod (4) is arranged on the side of the hydraulic cylinder body (2), the right end of the moving rod (4) is arranged in the movable column (5), the right end of the movable column (5) is arranged on the right end cover (3), the movable column (5) and the moving rod (4) are connected with each other through the built-in spring (6), the positioning block (7) is fixedly arranged on the side of the right end of the left end cover (1), and two linking covers (8) are arranged on the outer sides of the positioning blocks (7), each linking cover (8) is provided with an adjusting arc plate (9) at the right end, the outer sides of the two adjusting arc plates (9) are mutually connected through a locking bolt (10), the outer sides of the two linking covers (8) are mutually connected through the locking bolt (10), a lateral rod (11) is fixedly arranged on the inner side of the adjusting arc plate (9), an end mounting block (12) is fixedly arranged at the left end of the lateral rod (11), a roller rod (13) is arranged on the outer side of the end mounting block (12), the outer end of the roller rod (13) is arranged in a clamping column (14), the outer end of the clamping column (14) is fixedly arranged on the inner side of the connecting cover (8), and the clamping column (14) and the roller rod (13) are connected with each other through a reset spring (15).
2. The hydraulic cylinder of claim 1, wherein the hydraulic cylinder is effective to prevent fatigue fracture, and further comprising: a movable rod (4) and a movable column (5) are arranged between the right end cover (3) and the hydraulic cylinder body (2), and the right end cover (3) and the hydraulic cylinder body (2) are respectively connected with the ends of the movable column (5) and the movable rod (4) in a hinged mode.
3. The hydraulic cylinder of claim 1, wherein the hydraulic cylinder is effective to prevent fatigue fracture, and further comprising: the inner wall of the movable column (5) is mutually attached to the outer wall of the movable rod (4), and a sliding connection structure is formed between the movable rod (4) and the movable column (5).
4. The hydraulic cylinder of claim 1, wherein the hydraulic cylinder is effective to prevent fatigue fracture, and further comprising: the locating piece (7) is evenly distributed on the inner sides of the left end cover (1) and the right end cover (3), the outer walls of the locating piece (7) are respectively attached to the connecting cover (8) and the adjusting arc plate (9) mutually, and the connecting cover (8) and the adjusting arc plate (9) are symmetrically arranged relative to the transverse central axis of the left end cover (1).
5. The hydraulic cylinder of claim 1, wherein the hydraulic cylinder is effective to prevent fatigue fracture, and further comprising: the adjusting arc plate (9) is in sliding connection with the connecting cover (8), an integrated structure is formed between the inner side of the adjusting arc plate (9) and the end part of the lateral rod (11), and a welding integrated structure is formed between the end part of the lateral rod (11) and the end part mounting block (12).
6. The hydraulic cylinder of claim 1, wherein the hydraulic cylinder is effective to prevent fatigue fracture, and further comprising: the outer side of the end mounting block (12) is mutually attached to the inner end of the roller rod (13), the outer wall of the outer end of the roller rod (13) is mutually attached to the inner wall of the clamping column (14), and a sliding connection structure is formed between the roller rod (13) and the clamping column (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011246022.8A CN112324738B (en) | 2020-11-10 | 2020-11-10 | Hydraulic cylinder capable of effectively preventing fatigue fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011246022.8A CN112324738B (en) | 2020-11-10 | 2020-11-10 | Hydraulic cylinder capable of effectively preventing fatigue fracture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112324738A CN112324738A (en) | 2021-02-05 |
| CN112324738B true CN112324738B (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011246022.8A Active CN112324738B (en) | 2020-11-10 | 2020-11-10 | Hydraulic cylinder capable of effectively preventing fatigue fracture |
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| Country | Link |
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| CN (1) | CN112324738B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03186602A (en) * | 1989-03-03 | 1991-08-14 | Kajima Corp | Cylinder lock device |
| JPH11182622A (en) * | 1997-12-18 | 1999-07-06 | Hiroshi Teramachi | Hydraulic cylinder device, and base isolation device using it |
| CN104045027A (en) * | 2013-03-14 | 2014-09-17 | 雷蒙德股份有限公司 | Buckling-resistant lift cylinders |
| CN104565190A (en) * | 2014-12-29 | 2015-04-29 | 周卫荣 | Buffering brake device |
| CN105346350A (en) * | 2015-11-10 | 2016-02-24 | 苏州先锋物流装备科技有限公司 | Drive structure preventing drive wheel from slipping |
| CN108087472A (en) * | 2018-01-26 | 2018-05-29 | 江苏台普动力机械有限公司 | A kind of dust-proof damping device of multi-cylinder diesel engine |
-
2020
- 2020-11-10 CN CN202011246022.8A patent/CN112324738B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03186602A (en) * | 1989-03-03 | 1991-08-14 | Kajima Corp | Cylinder lock device |
| JPH11182622A (en) * | 1997-12-18 | 1999-07-06 | Hiroshi Teramachi | Hydraulic cylinder device, and base isolation device using it |
| CN104045027A (en) * | 2013-03-14 | 2014-09-17 | 雷蒙德股份有限公司 | Buckling-resistant lift cylinders |
| CN104565190A (en) * | 2014-12-29 | 2015-04-29 | 周卫荣 | Buffering brake device |
| CN105346350A (en) * | 2015-11-10 | 2016-02-24 | 苏州先锋物流装备科技有限公司 | Drive structure preventing drive wheel from slipping |
| CN108087472A (en) * | 2018-01-26 | 2018-05-29 | 江苏台普动力机械有限公司 | A kind of dust-proof damping device of multi-cylinder diesel engine |
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| Publication number | Publication date |
|---|---|
| CN112324738A (en) | 2021-02-05 |
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