CN112879378A - Digital hydraulic cylinder - Google Patents
Digital hydraulic cylinder Download PDFInfo
- Publication number
- CN112879378A CN112879378A CN202110054005.2A CN202110054005A CN112879378A CN 112879378 A CN112879378 A CN 112879378A CN 202110054005 A CN202110054005 A CN 202110054005A CN 112879378 A CN112879378 A CN 112879378A
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- cylinder body
- side wall
- pipe
- digital
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 230000001050 lubricating effect Effects 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 22
- 238000005507 spraying Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001369 Brass Inorganic materials 0.000 claims description 2
- 239000010951 brass Substances 0.000 claims description 2
- 238000005138 cryopreservation Methods 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 17
- 239000010687 lubricating oil Substances 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Images
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/6415—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
-
- 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
- F15B15/1457—Piston rods
- F15B15/1461—Piston rod sealings
-
- 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
-
- 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
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads
-
- 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
- F16N—LUBRICATING
- F16N11/00—Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricated; Grease cups
-
- 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
- F16N—LUBRICATING
- F16N23/00—Special adaptations of check valves
-
- 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
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/02—Arrangements for conditioning of lubricants in the lubricating system by cooling
-
- 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
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration
-
- 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
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N2039/007—Using strainers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Actuator (AREA)
Abstract
The invention discloses a digital hydraulic cylinder, which relates to the technical field of hydraulic cylinders and comprises a hydraulic cylinder body, wherein an installation cavity is arranged inside the hydraulic cylinder body, the side wall of the installation cavity is connected with a buffer mechanism in a sliding way, lubricating liquid is filled in the installation cavity, a conveying pipe is arranged above and below the side wall of the installation cavity, a first single valve is arranged in the conveying pipe, the end part of the conveying pipe is provided with a communicating pipe, the end part of the communicating pipe is fixedly connected with a sprinkler head which is arranged in an arc shape and is positioned at the head part of the hydraulic cylinder body, a liquid inlet pipe is arranged on the side wall of the upper end of the hydraulic cylinder body, a second single valve is arranged in the liquid inlet pipe, a filter plate is arranged on the liquid inlet pipe, the filter plate is connected with a rotating rod in a rotating way, the condition that the impact force is too big and damage is caused to the internals is avoided.
Description
Technical Field
The invention relates to the technical field of hydraulic cylinders, in particular to a digital hydraulic cylinder.
Background
Digital hydraulic cylinders (full name: digital hydraulic servo cylinders). Has fully digital motion characteristics, namely: the frequency of the electric pulses corresponds to the movement speed of the oil cylinder, and the number of the electric pulses corresponds to the stroke of the oil cylinder. The digital hydraulic cylinder is a high and new technology product which combines a stepping or servo motor, a hydraulic slide valve and a closed loop position feedback design in the hydraulic cylinder, connects a hydraulic oil source, and directly completes length vector control at different speeds through digital pulse signals sent by a digital hydraulic cylinder controller or a computer or a Programmable Logic Controller (PLC);
the comparison document is published as CN202220771U, discloses a digital hydraulic cylinder, is applied to among the hydraulic equipment, and it includes cylinder, piston rod, cylinder end, cylinder bottom and valve rod, the inside cavity form of being of piston rod forms the pole inner chamber, the inside gland that is provided with of cylinder bottom, the one end of valve rod is passed and is set up in the pole inner chamber behind cylinder bottom and the gland, and power device is connected to the other end, power device is connected with pneumatic cylinder control system, the cooperation gland is fixed with the valve block on the valve rod, be fixed with the swivel nut on the piston rod, the swivel nut cooperates with the lead screw that sets up on the valve rod. The hydraulic cylinder control system controls the power device by sending pulses, the power device pushes the valve rod to move, when the valve rod moves forwards, hydraulic oil enters the rodless cavity to push the piston rod to move, when the valve rod moves backwards, the hydraulic oil can not enter the rodless cavity again, and the piston rod stops moving. Compared with the traditional hydraulic cylinder, the hydraulic cylinder has the advantages that the stroke of the hydraulic cylinder can be accurately controlled, the stepping function is realized, the structure is simple, and the operation is easy;
however, in the hydraulic system, a hydraulic cylinder is used for driving a mechanism with certain mass, when the hydraulic cylinder moves to the stroke end point, the hydraulic cylinder has large kinetic energy, if the hydraulic cylinder is not subjected to deceleration treatment, a piston of the hydraulic cylinder mechanically collides with a cylinder cover to generate impact and noise, and the hydraulic cylinder is destructive.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a digital hydraulic cylinder.
In order to achieve the purpose, the invention adopts the following technical scheme:
a digital hydraulic cylinder comprises a hydraulic cylinder body, wherein an installation cavity is formed in the hydraulic cylinder body, a buffer mechanism is connected to the side wall of the installation cavity in a sliding manner, lubricating liquid is filled in the installation cavity, conveying pipes are arranged above and below the side wall of the installation cavity, a first single valve is arranged in each conveying pipe, a communicating pipe is arranged at the end part of each conveying pipe, a sprinkler head is fixedly connected to the end part of each communicating pipe and is arranged in an arc shape, the sprinkler head is positioned at the head part of the hydraulic cylinder body, a liquid inlet pipe is arranged on the side wall of the upper end of the hydraulic cylinder body, a second single valve is arranged in each liquid inlet pipe, a filter plate is arranged on each liquid inlet pipe, a rotating rod is connected in each filter plate in a rotating manner, a brush is fixedly connected to the lower end of each, the hydraulic groove is communicated with the installation cavity.
Preferably, the lubricating fluid is subjected to a cryopreservation treatment.
Preferably, buffer gear includes first piston, the second piston of sliding connection on the installation cavity inside wall, the lateral wall fixedly connected with carriage release lever of first piston, the tip integrated into one piece of carriage release lever has the catch bar, the lateral wall of catch bar is provided with sealed the pad, the lateral wall of catch bar is provided with first spring.
Preferably, the outer side wall of the push rod is provided with a sealing gasket, so that the leakage of lubricating liquid in the sealing and moving process is avoided.
Preferably, the rotating rod is rotatably connected with the filter plate through a bearing, and the bearing is made of stainless steel.
Preferably, the ratio of the radius of the sprinkler head to the radius of the telescopic end of the hydraulic cylinder body is 1: 1.2.
preferably, the first spring is in a telescopic state, and the first spring is made of brass.
Preferably, the single port of the first single valve is arranged on the side away from the installation cavity, and the single port of the second single valve is arranged on the side close to the installation cavity.
Preferably, the lateral wall of pneumatic cylinder body is provided with fixed cover, the conveyer pipe is placed on fixed cover, has realized the fixed spacing work to the conveyer pipe.
The invention has the beneficial effects that: in the invention, when the moving speed of the hydraulic cylinder is higher, the buffer action of the buffer mechanism can realize the buffer work of the telescopic end, and the condition that the impact force is too large to damage internal parts is avoided, because the buffer mechanism moves in the working process, under the condition that the buffer mechanism is compressed inwards, a part of lubricating liquid enters the conveying pipe through the first single valve, and the spraying work of the periphery of the telescopic end is realized through the transmission work of the conveying pipe, the communicating pipe and the spraying head, the friction force can be effectively reduced due to the spraying work of the lubricating liquid, the wear rate is reduced, the service life of the parts is further effectively prolonged, when the buffer mechanism extends outwards, the internal pressure is reduced, the external lubricating liquid enters the mounting cavity through the liquid inlet pipe, the supplement work of the lubricating liquid is realized, and because the lubricating liquid is cooled, in the process of supplementing the temperature reducing device, the temperature of liquid in the installation cavity can be effectively reduced, and due to the thermal conductivity principle, the temperature of surrounding parts is obviously reduced, so that the work of reducing the temperature of internal parts is effectively realized, and the service life of the parts is further prolonged;
in the process that the hydraulic cylinder body extends inwards, the telescopic rod retracts inwards, and then the push rod is pushed to move;
the in-process that enters into the pneumatic cylinder body through the feed liquor pipe at lubricating oil, because the impact force of lubricating oil has realized the rotatory work to the bull stick, because the setting of filter, realized having flocculent mistake to cooling lubricating oil and deposiing, realized the filter effect through the filter, simultaneously because the rotatory in-process of dwang, not only can realize the clearance to the filter, avoided blocking work, realized simultaneously breaking up melting to flocculent deposit, guaranteed the normal clear up of work on next step.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of the structure of the present invention.
Fig. 3 is an enlarged view of a portion a of the present invention.
Fig. 4 is an enlarged view of part B of the present invention.
Fig. 5 is an enlarged view of the portion C of the present invention.
Reference numbers in the figures: the device comprises a hydraulic cylinder body 1, a mounting cavity 2, a first piston 3, a movable rod 4, a first spring 5, a second piston 6, a push rod 7, a delivery pipe 8, a fixed sleeve 9, a communicating pipe 10, a sprinkler head 11, a first single-line valve 12, a liquid inlet pipe 13, a second single-line valve 14, a filter plate 15, a rotating rod 16, a brush 17 and a hydraulic groove 18.
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.
Referring to fig. 1-5, a digital system pneumatic cylinder, including pneumatic cylinder body 1, installation cavity 2 has been seted up to the inside of pneumatic cylinder body 1, the lateral wall sliding connection of installation cavity 2 has buffer gear, installation cavity 2 intussuseption is filled with lubricated liquid, lubricated liquid is through the low temperature preservation processing, the lateral wall of installation cavity 2 is provided with conveyer pipe 8 from top to bottom, be provided with first single term valve 12 in the conveyer pipe 8, the tip of conveyer pipe 8 is provided with communicating pipe 10, the tip fixedly connected with sprinkler 11 of communicating pipe 10, the radius ratio of the flexible end of sprinkler 11 and pneumatic cylinder body 1 is 1: 1.2, the sprinkler head 11 is arranged in an arc shape;
through the arc arrangement, the outer side wall of the telescopic end of the hydraulic cylinder body 1 can be comprehensively sprayed and covered, and the spraying uniformity is ensured;
the sprinkler head is positioned at the head of the hydraulic cylinder body 1, the side wall of the upper end of the hydraulic cylinder body 1 is provided with a liquid inlet pipe 13, a second single valve 14 is arranged in the liquid inlet pipe 13, a single port of the first single valve 12 is a deviated side provided with the installation cavity 2, a single port of the second single valve 14 is arranged at one side close to the installation cavity 2, the flowing direction of lubricating oil is effectively ensured through the arrangement of the first single valve 12 and the second single valve 14, and the backflow condition is avoided;
the liquid inlet pipe 13 is provided with a filter plate 15, the filter plate 15 is rotatably connected with a rotating rod 16, the second piston 6 is rotatably connected with the filter plate 15 through a bearing, and the bearing is made of stainless steel;
the in-process that enters into pneumatic cylinder body 1 through feed liquor pipe 13 at lubricating oil, because the impact force of lubricating oil has realized the rotatory work to dwang 16, because the setting of filter 15, it has the cotton mistake to deposit to have realized cooling lubricating oil, filter effect has been realized through filter 15, simultaneously because the rotatory in-process of dwang 16, not only can realize the clearance to filter 15, the work of blocking has been avoided, realized simultaneously melting scattering of cotton sediment, the normal clear of work on next step has been guaranteed.
The lower extreme fixedly connected with brush 17 of dwang 16, the inside wall of feed liquor pipe 13 is provided with the filter core, is provided with hydraulic pressure groove 18 in the pneumatic cylinder body 1, and hydraulic pressure groove 18 communicates with installation cavity 2 each other.
In the using process, when the moving speed of the hydraulic cylinder is higher, the buffer mechanism can realize the buffer work of the telescopic end due to the buffer action of the buffer mechanism, and the condition that the impact force is too large to damage internal parts is avoided;
in the moving working process of the buffer mechanism, under the condition of inward compression, part of lubricating liquid enters the conveying pipe 8 through the first single valve 12, and the peripheral spraying work of the telescopic end is realized through the transmission work of the conveying pipe 8, the communicating pipe 10 and the spraying head 11;
when the buffer mechanism extends outwards, the internal pressure is reduced, so that the external lubricating liquid enters the mounting cavity 2 through the liquid inlet pipe 13, and the lubricating liquid is supplemented;
because the lubricating liquid is cooled, the temperature of the liquid in the mounting cavity 2 can be effectively reduced in the process of supplementing the lubricating liquid, the temperature of surrounding parts is obviously reduced due to the thermal conductivity principle, the work of cooling the internal parts is effectively realized, and the service life of the parts is further prolonged (because the hydraulic cylinder body 1 belongs to the prior art, the working process and the working principle are not described in detail);
the buffer mechanism comprises a first piston 3 and a second piston 6 which are connected to the inner side wall of the installation cavity 2 in a sliding mode, the side wall of the first piston 3 is fixedly connected with a moving rod 4, a pushing rod 7 is integrally formed at the end part of the moving rod 4, a sealing gasket is arranged on the outer side wall of the pushing rod 7, the leakage condition of lubricating liquid in the sealing moving process is avoided, the pushing rod 7 penetrates through the side wall of the second piston 6 and is connected with the side wall of the second piston in a sealing sliding mode, and a first spring 5 is arranged on the outer side wall of the pushing rod 7;
in the process that the hydraulic cylinder body 1 extends inwards and retracts, the telescopic rod retracts inwards, and then the push rod 7 is pushed to move, and due to the elastic force of the first spring 5, the telescopic rod is buffered, so that the condition that the telescopic rod is strong in impact force and damages the inside of the telescopic rod is effectively avoided;
the lateral wall of pneumatic cylinder body 1 is provided with fixed cover 9, and conveyer pipe 8 is placed on fixed cover 9, has realized the fixed spacing work to conveyer pipe 8.
The working principle is as follows: when the hydraulic cylinder is used, the telescopic end of the hydraulic cylinder body is driven to reciprocate by hydraulic oil, meanwhile, the movable rod 4 is driven to move by the hydraulic groove 18, the push rod 7 is synchronously moved in the moving process of the movable rod 4, the telescopic rod of the hydraulic cylinder body 1 is driven to synchronously move, the reciprocating movement of the telescopic rod is realized, the buffer work of the telescopic rod is realized due to the elastic action of the first spring 5, and the condition that the telescopic rod is strong in impact force and damages the inside of the telescopic rod is effectively avoided;
because in the moving working process of the buffer mechanism, under the condition of inward compression, part of lubricating liquid enters the conveying pipe 8 through the first single valve 12, the spraying work of the periphery of the telescopic end is realized through the transmission work of the conveying pipe 8, the communicating pipe 10 and the spraying head 11, the friction force can be effectively reduced due to the spraying work of the lubricating liquid, the wear rate is reduced, the service life of parts is effectively prolonged, when the buffer mechanism extends outwards, the internal pressure is reduced, the external lubricating liquid enters the mounting cavity 2 through the liquid inlet pipe 13, the supplement work of the lubricating liquid is realized, because the lubricating liquid is cooled, the temperature of the liquid in the mounting cavity 2 can be effectively reduced in the supplementing process, and because of the heat conduction principle, the temperature of the surrounding parts is obviously reduced, the work of cooling the internal parts is effectively realized, and the service life of the parts is further prolonged.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A digital hydraulic cylinder comprises a hydraulic cylinder body (1) and is characterized in that a mounting cavity (2) is formed in the hydraulic cylinder body (1), a buffer mechanism is connected to the side wall of the mounting cavity (2) in a sliding manner, lubricating liquid is filled in the mounting cavity (2), conveying pipes (8) are arranged on the upper portion and the lower portion of the side wall of the mounting cavity (2), a first single valve (12) is arranged in each conveying pipe (8), a communicating pipe (10) is arranged at the end portion of each conveying pipe (8), a spraying head (11) is fixedly connected to the end portion of each communicating pipe (10), the spraying heads (11) are arranged in an arc shape and located at the head portion of the hydraulic cylinder body (1), a liquid inlet pipe (13) is arranged on the side wall of the upper end of the hydraulic cylinder body (1), a second single valve (14) is arranged in each liquid inlet pipe (, filter (15) are installed to feed liquor pipe (13), filter (15) internal rotation is connected with dwang (16), lower extreme fixedly connected with brush (17) of dwang (16), the inside wall of feed liquor pipe (13) is provided with the filter core, be provided with hydraulic pressure groove (18) in pneumatic cylinder body (1), hydraulic pressure groove (18) and installation cavity (2) communicate each other.
2. The digital system cylinder as set forth in claim 1, wherein the lubricating fluid is subjected to a cryopreservation treatment.
3. The digital system hydraulic cylinder as recited in claim 2, wherein the buffering mechanism comprises a first piston (3) and a second piston (6) which are slidably connected to the inner side wall of the mounting cavity (2), a moving rod (4) is fixedly connected to the side wall of the first piston (3), a push rod (7) is integrally formed at the end of the moving rod (4), a sealing gasket is arranged on the outer side wall of the push rod (7), and a first spring (5) is arranged on the outer side wall of the push rod (7).
4. A digital hydraulic cylinder according to claim 1, characterized in that the outside wall of the push rod (7) is provided with a sealing gasket to avoid leakage of lubricating fluid during sealing movement.
5. A digital system cylinder according to claim 1, characterized in that the rotating rod (16) is rotatably connected to the filter plate (15) by means of a bearing, said bearing being made of stainless steel.
6. A digital system hydraulic cylinder according to claim 1, characterized in that the ratio of the radius of the sprinkler head (11) to the radius of the telescopic end of the cylinder body (1) is 1: 1.2.
7. a digital hydraulic cylinder according to claim 1, wherein the first spring (5) is in a telescopic state, and the first spring (5) is made of brass.
8. A digital system hydraulic cylinder according to claim 1, characterized in that the single port of the first single valve (12) is the side facing away from the mounting chamber (2) and the single port of the second single valve (14) is arranged on the side close to the mounting chamber (2).
9. The digital system hydraulic cylinder as recited in claim 1, characterized in that the outer side wall of the hydraulic cylinder body (1) is provided with a fixing sleeve (9), and the conveying pipe (8) is placed on the fixing sleeve (9) to realize the fixing and limiting work of the conveying pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110054005.2A CN112879378B (en) | 2021-04-25 | 2021-04-25 | Digital hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110054005.2A CN112879378B (en) | 2021-04-25 | 2021-04-25 | Digital hydraulic cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112879378A true CN112879378A (en) | 2021-06-01 |
| CN112879378B CN112879378B (en) | 2023-06-23 |
Family
ID=76048076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110054005.2A Active CN112879378B (en) | 2021-04-25 | 2021-04-25 | Digital hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112879378B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408151A (en) * | 2022-02-11 | 2022-04-29 | 建湖天成液压件制造有限公司 | Marine hydraulic steering engine transmission pull rod |
| CN115234223A (en) * | 2022-08-22 | 2022-10-25 | 东营诺瑞克电池有限公司 | Telescopic rod capable of wirelessly transmitting signals and achieving rapid stepless distance adjustment and dynamic locking |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06159421A (en) * | 1992-11-17 | 1994-06-07 | Tetsuzo Takoya | Gas cushion |
| JP2009103267A (en) * | 2007-10-25 | 2009-05-14 | Kayaba Ind Co Ltd | Pneumatic shock absorber |
| CN104832490A (en) * | 2015-05-05 | 2015-08-12 | 樊硕 | Ultrahigh-pressure nitrogen energy-saving auxiliary cylinder |
| CN110920336A (en) * | 2019-12-12 | 2020-03-27 | 丰宗贵 | Automobile shock-absorbing device |
| CN211852342U (en) * | 2019-12-02 | 2020-11-03 | 无锡申佳液压科技有限公司 | From heat dissipation type buffering pneumatic cylinder convenient to installation |
| CN212717461U (en) * | 2020-05-18 | 2021-03-16 | 盐城市盐都区龙冈凤凰石油机械厂 | Hydraulic oil cylinder structure for transplanter |
-
2021
- 2021-04-25 CN CN202110054005.2A patent/CN112879378B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06159421A (en) * | 1992-11-17 | 1994-06-07 | Tetsuzo Takoya | Gas cushion |
| JP2009103267A (en) * | 2007-10-25 | 2009-05-14 | Kayaba Ind Co Ltd | Pneumatic shock absorber |
| CN104832490A (en) * | 2015-05-05 | 2015-08-12 | 樊硕 | Ultrahigh-pressure nitrogen energy-saving auxiliary cylinder |
| CN211852342U (en) * | 2019-12-02 | 2020-11-03 | 无锡申佳液压科技有限公司 | From heat dissipation type buffering pneumatic cylinder convenient to installation |
| CN110920336A (en) * | 2019-12-12 | 2020-03-27 | 丰宗贵 | Automobile shock-absorbing device |
| CN212717461U (en) * | 2020-05-18 | 2021-03-16 | 盐城市盐都区龙冈凤凰石油机械厂 | Hydraulic oil cylinder structure for transplanter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408151A (en) * | 2022-02-11 | 2022-04-29 | 建湖天成液压件制造有限公司 | Marine hydraulic steering engine transmission pull rod |
| CN114408151B (en) * | 2022-02-11 | 2024-04-26 | 建湖天成液压件制造有限公司 | Marine hydraulic steering engine transmission pull rod |
| CN115234223A (en) * | 2022-08-22 | 2022-10-25 | 东营诺瑞克电池有限公司 | Telescopic rod capable of wirelessly transmitting signals and achieving rapid stepless distance adjustment and dynamic locking |
| CN115234223B (en) * | 2022-08-22 | 2023-07-14 | 东营诺瑞克电池有限公司 | Telescopic rod capable of wirelessly transmitting signals and rapidly stepless distance adjustment and dynamic locking |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112879378B (en) | 2023-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112879378A (en) | Digital hydraulic cylinder | |
| CN202165236U (en) | Plunger pump for pumping ultra-low temperature liquid nitrogen | |
| CN112483506B (en) | High-pressure oil cylinder structure with buffer function | |
| CN216808617U (en) | Novel etching machine sprays wabbler mechanism drive device | |
| CN216618097U (en) | Novel gas-liquid hydraulic internal mechanical device | |
| US4041899A (en) | Reciprocator device | |
| CN209800416U (en) | Oil cylinder with fine adjustment, buffering and sealing automatic compensation functions | |
| CN202291340U (en) | Blowing and spraying device of horizontal cold chamber aluminium alloy die-casting machine | |
| CN109277553B (en) | Material injection mechanism of liquid die forging machine | |
| CN211874588U (en) | Piston continuous oil injection oscillation cooling device | |
| CN213379173U (en) | Driving device for vibration of split type electro-hydraulic direct-drive continuous casting crystallizer | |
| CN212792946U (en) | Feeding device of cold chamber die casting machine | |
| CN209925333U (en) | Oil pressure rotary cylinder | |
| CN114484244A (en) | Numerical control lubricating oil spraying device capable of automatically controlling flow | |
| CN210359184U (en) | Punch powder lubricating equipment | |
| CN112091189A (en) | Driving device for vibration of split type electro-hydraulic direct-drive continuous casting crystallizer | |
| CN206723188U (en) | A kind of hydraulic cylinder with cooling system | |
| CN208449639U (en) | A kind of spray head anti-block apparatus | |
| CN207974942U (en) | A kind of compressor piston | |
| CN211331190U (en) | Adjustable discharging device for forging machinery | |
| CN208427703U (en) | Doses control mechanism | |
| CN212493566U (en) | Linear continuously adjustable valve body mechanism | |
| CN205270039U (en) | Novel hydraulic cylinder repair device | |
| CN218423486U (en) | High-speed injection precision pulse driving structure | |
| CN212429395U (en) | Hydraulic cylinder with shock-absorbing function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230601 Address after: 646000 area C, Luxian Industrial Park, Luzhou City, Sichuan Province Applicant after: LUZHOU SYNTHETIC HYDRAULIC PARTS Co.,Ltd. Address before: No. 113, Nanzhou North Road, Haizhu District, Guangzhou, Guangdong 510000 Applicant before: Chen Huibo |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |