CN107939779B - Damping type hydraulic cylinder action signal supercharging device - Google Patents
Damping type hydraulic cylinder action signal supercharging device Download PDFInfo
- Publication number
- CN107939779B CN107939779B CN201711189466.0A CN201711189466A CN107939779B CN 107939779 B CN107939779 B CN 107939779B CN 201711189466 A CN201711189466 A CN 201711189466A CN 107939779 B CN107939779 B CN 107939779B
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- CN
- China
- Prior art keywords
- oil cylinder
- barrel
- hydraulic
- oil
- supercharging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000013016 damping Methods 0.000 title claims abstract description 13
- 230000009471 action Effects 0.000 title claims abstract description 11
- 239000003921 oil Substances 0.000 claims abstract description 73
- 230000008859 change Effects 0.000 claims abstract description 8
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 5
- 238000009776 industrial production Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
-
- 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
-
- 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
- F15B15/1428—Cylinders
-
- 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
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Actuator (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a damping type hydraulic cylinder action signal supercharging device which comprises an oil cylinder barrel, wherein a piston rod is movably arranged in the oil cylinder barrel, the front end of the oil cylinder barrel is provided with an opening through which the piston rod extends, the side walls, close to two end parts, of the oil cylinder barrel are respectively provided with an oil port, and the rear end of the oil cylinder barrel is connected with the signal supercharging device. The invention provides a damping type hydraulic oil cylinder action signal supercharging device, which is characterized in that the rear end of an oil cylinder is connected with the signal supercharging device, so that the hydraulic pressure of the oil cylinder during resetting is enhanced, the state change of an opener is driven by hydraulic energy during the resetting of the oil cylinder, and a hydraulic control system can be smoothly used.
Description
Technical Field
The invention relates to the field of hydraulic control, in particular to a damping type hydraulic cylinder action signal supercharging device.
Background
In the existing industrial production, the hydraulic system is generally used as a driving system of medium-large equipment, and has the advantages of sufficient pressure, high stability, simple loop, easy maintenance and the like, but the conventional hydraulic system cannot be used as a control system of the industrial production because related action signals are difficult to collect and feedback is difficult to carry out. The common control system in industrial production adopts electric control or microcomputer control, and the control system has the advantages of quick response, high precision, high cost, complex circuit, high failure rate and the like.
The applicant has developed a hydraulic control system applicable to industrial production, in which an oil passage of the hydraulic system is provided with an opener (chinese patent No. CN 201310413986.0) for transmitting hydraulic signals and a hydraulic passage extending and retracting device (chinese patent No. CN 201510263128.1) which is operated prior to the oil cylinder, the former makes the opener change state by hydraulic pressure generated when the oil cylinder is operated, the latter is arranged in the oil passage between the oil cylinder and the control valve, and the oil cylinder must be operated by driving the extending and retracting device. The use of openers and telescopic devices has the following problems: in the actual working process, the hydraulic pressure provided by the oil cylinder is large enough to drive the state change of the opener and the telescopic device when working on a load, and the hydraulic pressure provided by the oil cylinder is small enough to drive the state change of the opener and the telescopic device when resetting. On the basis, the applicant develops a signal supercharging device for increasing hydraulic pressure when the oil cylinder is reset, so that the state change of the hydraulic energy driven opener and the telescopic device when the oil cylinder is reset is ensured.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a damping type hydraulic oil cylinder action signal supercharging device, which ensures that the state of a hydraulic energy driven opener and a telescopic device is changed when the oil cylinder is reset.
The technical scheme adopted by the invention is as follows:
The hydraulic cylinder comprises an oil cylinder barrel, a piston rod is movably arranged in the oil cylinder barrel, an opening extending out of the piston rod is formed in the front end of the oil cylinder barrel, oil ports are respectively formed in the side walls, close to the two end parts, of the oil cylinder barrel, and the rear end of the oil cylinder barrel is connected with the signal supercharging device.
As a further improvement of the technical scheme, the signal supercharging device comprises a supercharging cylinder communicated with the inner cavity of the oil cylinder barrel and a supercharging plunger movably arranged in the supercharging cylinder, and the supercharging plunger is connected to the tail of the piston rod.
As a further improvement of the technical scheme, the inner cavity of the pressurizing cylinder is provided with two-stage widths, and the narrower end of the inner cavity of the pressurizing cylinder is connected with the oil cylinder barrel.
As a further improvement of the technical scheme, the rear end of the oil cylinder barrel is provided with a connecting hole, and the front end of the pressurizing cylinder is opened and stretches into the connecting hole of the oil cylinder barrel.
As a further improvement of the technical scheme, the outer side wall of the pressurizing cylinder is provided with a connecting flange fixedly connected with the oil cylinder barrel, and a sealing ring is arranged between the connecting flange and the oil cylinder barrel.
As a further improvement of the technical scheme, an oil port at the rear end of the oil cylinder barrel is connected with an opener and/or an oil passage borrowing telescopic device.
The beneficial effects of the invention are as follows:
The invention provides a damping type hydraulic oil cylinder action signal supercharging device, which is characterized in that the rear end of an oil cylinder is connected with the signal supercharging device, so that the hydraulic pressure of the oil cylinder during resetting is enhanced, the state change of a hydraulic energy driven opener and a telescopic device during the resetting of the oil cylinder is ensured, and a hydraulic control system can be smoothly used.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural diagram of a damped hydraulic ram actuation signal booster.
Fig. 2 is a schematic diagram of the structure of the signal booster device.
Fig. 3 is a schematic diagram of the operation of the damped hydraulic ram actuation signal booster device.
Detailed Description
The damping hydraulic ram actuation signal booster device of the present invention is described in further detail below with reference to the drawings and the preferred embodiments.
Referring to fig. 1 to 3, the invention provides a preferred embodiment of a damping hydraulic cylinder action signal supercharging device, the hydraulic cylinder comprises an oil cylinder barrel 1, a piston rod 2 is movably arranged in the oil cylinder barrel 1, the front end of the oil cylinder barrel 1 is provided with an opening from which the piston rod 2 extends, side walls of the oil cylinder barrel 1, which are close to two end parts, are respectively provided with oil ports 3 and 4, and the oil port 4, which is close to the rear end of the oil cylinder barrel 1, is connected with an opener 6 and an oil passage borrowing telescopic device 7. When the piston rod 2 acts, hydraulic oil is pushed out from the front end oil port 3, and when the piston rod 2 resets, hydraulic oil is pushed out from the rear end oil port 4, so that the opener 6 and the oil passage are driven to act by the passage expansion device 7. The rear end of the oil cylinder barrel 1 is provided with a connecting hole, and the oil cylinder barrel 1 is connected with a signal supercharging device 5 through the connecting hole. The signal supercharging device comprises a supercharging cylinder 51 communicated with the inner cavity of the oil cylinder barrel 1 from a connecting hole and a supercharging plunger 52 movably arranged in the supercharging cylinder 51, the front end of the supercharging cylinder 51 is opened and stretches into the connecting hole of the oil cylinder barrel 1, and the supercharging plunger 52 penetrates through the supercharging cylinder 51 to be connected to the tail of the piston rod 2. The outer side wall of the booster cylinder 51 is provided with a connecting flange 53 fixedly connected with the oil cylinder barrel 1, and a sealing ring is arranged between the connecting flange 53 and the oil cylinder barrel 1. Further, the inner cavity of the booster cylinder 51 is provided with two-stage widths, and the narrower end of the inner cavity of the booster cylinder 51 is connected with the oil cylinder barrel 1. The invention provides a damping type hydraulic cylinder action signal supercharging device, when a hydraulic cylinder is reset, part of hydraulic oil is firstly supercharged cylinder 51, and damping type pressure is formed when supercharged plunger 52 enters into supercharged cylinder 51, so that the liquid pressure output from oil port 4 is increased, the hydraulic pressure of the cylinder in the resetting process is enhanced, the state change of opener 6 and oil passage borrowing and retracting device 7 is ensured by the hydraulic energy in the resetting process of the cylinder, and the hydraulic control system can be smoothly used.
The above is only a preferred embodiment of the present invention, and the technical solutions for achieving the object of the present invention by substantially the same means are all within the scope of protection of the present invention.
Claims (3)
1. Damping type hydraulic cylinder action signal supercharging device, hydraulic cylinder includes cylinder (1), and the activity is provided with piston rod (2) in cylinder (1), and cylinder (1) front end is provided with the opening that piston rod (2) stretched out, cylinder (1) are close to the lateral wall of two tip and are provided with hydraulic fluid port (3, 4) respectively, its characterized in that: the rear end of the oil cylinder barrel (1) is connected with a signal supercharging device (5), the signal supercharging device comprises a supercharging barrel (51) communicated with the inner cavity of the oil cylinder barrel (1) and a supercharging plunger (52) movably arranged in the supercharging barrel (51), the supercharging barrel (51) is a closed barrel, the inner cavity of the supercharging barrel (51) is provided with two-stage widths, the narrower end of the inner cavity of the supercharging barrel (51) is connected with the oil cylinder barrel (1), the supercharging plunger (52) is connected to the tail of the piston rod (2), and an oil port (4) at the rear end of the oil cylinder barrel (1) is connected with an opener (6) and/or an oil passage borrowing telescopic device (7);
when the hydraulic oil cylinder is reset, part of hydraulic oil firstly enters the booster cylinder (51), and damping pressure is formed when the booster plunger (52) enters the booster cylinder (51), so that the hydraulic pressure output from the oil port (4) is increased, the hydraulic pressure of the oil cylinder during reset is enhanced, and the state change of the hydraulic energy driving opener (6) and the oil passage borrowing telescopic device (7) during the oil cylinder reset is ensured.
2. The damped hydraulic ram actuation signal supercharging device of claim 1, wherein: the rear end of the oil cylinder barrel (1) is provided with a connecting hole, and the front end of the pressurizing barrel (51) is opened and stretches into the connecting hole of the oil cylinder barrel (1).
3. The damped hydraulic ram actuation signal supercharging device of claim 2, wherein: the oil cylinder barrel is characterized in that a connecting flange (53) fixedly connected with the oil cylinder barrel (1) is arranged on the outer side wall of the pressurizing cylinder (51), and a sealing ring is arranged between the connecting flange (53) and the oil cylinder barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711189466.0A CN107939779B (en) | 2017-11-24 | 2017-11-24 | Damping type hydraulic cylinder action signal supercharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711189466.0A CN107939779B (en) | 2017-11-24 | 2017-11-24 | Damping type hydraulic cylinder action signal supercharging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107939779A CN107939779A (en) | 2018-04-20 |
| CN107939779B true CN107939779B (en) | 2024-05-24 |
Family
ID=61949553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711189466.0A Active CN107939779B (en) | 2017-11-24 | 2017-11-24 | Damping type hydraulic cylinder action signal supercharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107939779B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6003429A (en) * | 1995-07-06 | 1999-12-21 | Komatsu Ltd. | High speed and high-load cylinder device and method for controlling the same |
| CN1959129A (en) * | 2006-08-11 | 2007-05-09 | 王彤 | Apparatus for pressurizing gas, liquid |
| CN1965168A (en) * | 2004-06-08 | 2007-05-16 | 博世力士乐股份有限公司 | Drive unit |
| CN202646193U (en) * | 2012-05-18 | 2013-01-02 | 抚顺天宝重工液压制造有限公司 | Hydraulic diesel pressurization cylinder |
| CN102878147A (en) * | 2012-10-29 | 2013-01-16 | 山西天创液压机械设备制造有限公司 | Acceleration oil cylinder device |
| CN103233941A (en) * | 2013-05-07 | 2013-08-07 | 福建海源自动化机械股份有限公司 | Multistage pressure cylinder and pressurization usage method and depressurization usage method thereof |
| CN103629187A (en) * | 2013-11-11 | 2014-03-12 | 冯广建 | Hydraulic oil cylinder with control assembly |
| CN104373395A (en) * | 2013-08-16 | 2015-02-25 | 扬州市飞龙气动液压设备有限公司 | High-pressure oil supercharger for hoist cylinder locking device |
| CN104879338A (en) * | 2015-05-21 | 2015-09-02 | 冯广建 | Hydraulic oil channel tailgating telescopic device |
| CN204900370U (en) * | 2015-07-06 | 2015-12-23 | 冯广建 | Take pressure switch's order open control ware |
| CN207777340U (en) * | 2017-11-24 | 2018-08-28 | 冯广建 | A kind of damp type hydraulic cylinder actuating signal supercharging device |
-
2017
- 2017-11-24 CN CN201711189466.0A patent/CN107939779B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6003429A (en) * | 1995-07-06 | 1999-12-21 | Komatsu Ltd. | High speed and high-load cylinder device and method for controlling the same |
| CN1965168A (en) * | 2004-06-08 | 2007-05-16 | 博世力士乐股份有限公司 | Drive unit |
| CN1959129A (en) * | 2006-08-11 | 2007-05-09 | 王彤 | Apparatus for pressurizing gas, liquid |
| CN202646193U (en) * | 2012-05-18 | 2013-01-02 | 抚顺天宝重工液压制造有限公司 | Hydraulic diesel pressurization cylinder |
| CN102878147A (en) * | 2012-10-29 | 2013-01-16 | 山西天创液压机械设备制造有限公司 | Acceleration oil cylinder device |
| CN103233941A (en) * | 2013-05-07 | 2013-08-07 | 福建海源自动化机械股份有限公司 | Multistage pressure cylinder and pressurization usage method and depressurization usage method thereof |
| CN104373395A (en) * | 2013-08-16 | 2015-02-25 | 扬州市飞龙气动液压设备有限公司 | High-pressure oil supercharger for hoist cylinder locking device |
| CN103629187A (en) * | 2013-11-11 | 2014-03-12 | 冯广建 | Hydraulic oil cylinder with control assembly |
| CN104879338A (en) * | 2015-05-21 | 2015-09-02 | 冯广建 | Hydraulic oil channel tailgating telescopic device |
| CN204900370U (en) * | 2015-07-06 | 2015-12-23 | 冯广建 | Take pressure switch's order open control ware |
| CN207777340U (en) * | 2017-11-24 | 2018-08-28 | 冯广建 | A kind of damp type hydraulic cylinder actuating signal supercharging device |
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| Publication number | Publication date |
|---|---|
| CN107939779A (en) | 2018-04-20 |
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