CN112483506A - High-pressure oil cylinder structure with buffer function - Google Patents
High-pressure oil cylinder structure with buffer function Download PDFInfo
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- CN112483506A CN112483506A CN202011360771.3A CN202011360771A CN112483506A CN 112483506 A CN112483506 A CN 112483506A CN 202011360771 A CN202011360771 A CN 202011360771A CN 112483506 A CN112483506 A CN 112483506A
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- 239000000872 buffer Substances 0.000 title claims abstract description 69
- 230000003139 buffering effect Effects 0.000 claims abstract description 47
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 32
- 239000000428 dust Substances 0.000 claims description 8
- 239000003921 oil Substances 0.000 abstract description 112
- 238000000034 method Methods 0.000 abstract description 8
- 230000007774 longterm Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000010720 hydraulic oil Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 description 1
- 241000826860 Trapezium Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- 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
- F15B15/1404—Characterised by the construction of the motor unit of the straight-cylinder type in clusters, e.g. multiple cylinders in one block
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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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
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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
- F15B15/1414—Characterised by the construction of the motor unit of the straight-cylinder type with non-rotatable piston
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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
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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
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
-
- 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
- F15B15/202—Externally-operated valves mounted in or on the actuator
-
- 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
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- 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)
Abstract
The invention belongs to the field of hydraulic oil cylinder equipment, and particularly relates to a high-pressure oil cylinder structure with a buffering function, which comprises a cylinder barrel, wherein two ends of the cylinder barrel can be detachably connected with end covers, one group of the end covers is connected with a high-pressure piston rod in a sliding mode, the high-pressure piston rod is connected with the cylinder barrel in a sliding mode through a piston block, the piston block performs buffering protection on the high-pressure piston rod through a buffering assembly, an oil injection pipeline is arranged at one end, far away from the high-pressure piston rod, of the cylinder barrel, and the oil injection pipeline. According to the invention, the double pistons are arranged on the high-pressure oil cylinder, so that the oil cylinder can share impact load to a certain extent when in operation, the limit borne by the buffer mechanism under high pressure and high load is further reduced, the buffer effect of the buffer mechanism in the actual use process is improved, meanwhile, the buffer mechanism is prevented from being damaged in the long-term use process, and the service life of the device is prolonged.
Description
Technical Field
The invention belongs to the field of hydraulic oil cylinder equipment, and particularly relates to a high-pressure oil cylinder structure with a buffering function.
Background
The high pressure oil cylinder belongs to one kind of hydraulic cylinder, and is one kind of hydraulic executing element converting hydraulic energy into mechanical energy and making linear reciprocating motion (or swinging motion). When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. However, as the use requirements of the hydraulic industry on the high-pressure oil cylinder are continuously improved, the buffer function of the high-pressure oil cylinder in the actual use process is urgently needed to be improved.
At present, common high-pressure hydro-cylinder mainly carries out hydraulic work through single piston piece on the market, the buffer gear of hydro-cylinder this moment only relies on the cushion collar on the piston piece or the buffering circle realizes the buffering effect of device, but single buffering circle when the hydro-cylinder receives high pressure impact, the buffering effect that can play in the face of the pressure of outburst in the twinkling of an eye is lower, serious person can lead to buffer gear's damage, and the hydro-cylinder carries out the during operation under the lower condition of buffering effect, the piston piece receives the wearing and tearing that cause unrecoverable easily, long-term use can the life of greatly reduced hydro-cylinder.
Therefore, a high-pressure oil cylinder structure with a buffer function is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the problems and provides a high-pressure oil cylinder structure with a buffering function, which shares the pressure on an oil cylinder during high-pressure impact and improves the buffering effect in the oil cylinder through double-cavity operation.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high-pressure oil cylinder structure with buffer function, includes the cylinder, the both ends of cylinder all can be dismantled and are connected with the end cover, one of them is a set of end cover sliding connection has high-pressure piston rod, high-pressure piston rod passes through piston piece and cylinder sliding connection, the piston piece cushions the protection through the buffering subassembly to high-pressure piston rod, the one end that high-pressure piston rod was kept away from to the cylinder is equipped with the oil injection pipeline, the oil injection pipeline carries out flow control through the control box.
In the high-pressure oil cylinder structure with the buffering function, one end of the cylinder barrel is detachably connected with a front end cover, the front end cover is connected with the high-pressure piston rod in a sliding mode, the other end of the cylinder barrel is detachably connected with a rear end cover, and a middle cover is arranged in the middle of the cylinder barrel.
In the high-pressure oil cylinder structure with the buffering function, the front end cover and the rear end cover are both provided with grooves, the two ends of the cylinder barrel are both in threaded connection with the grooves, one end, close to the grooves, of the cylinder barrel is provided with mounting holes, and the end covers are fixedly connected with the mounting holes through bolts.
In the high-pressure oil cylinder structure with the buffering function, one end, close to the end cover, of the cylinder barrel is fixedly connected with the sealing ring, the end cover is provided with the annular groove, the sealing ring is connected with the annular groove in a matched mode, and the cross section of the sealing ring is of a trapezoidal structure.
In the high-pressure oil cylinder structure with the buffering function, one end, close to the high-pressure piston rod, of the front end cover is provided with the snap-in type dust ring and the piston rod sealing ring, and the snap-in type dust ring and the piston rod sealing ring are arranged in a matched mode.
In the above-mentioned high-pressure oil cylinder structure with buffer function, the high-pressure piston rod is equipped with the external screw thread, the inboard and the high-pressure piston rod threaded connection of piston piece, the outside of piston piece is equipped with piston seal and direction support ring.
In foretell high-pressure cylinder structure with buffer function, the buffer unit includes first buffer block and second buffer block, first buffer block and high-pressure piston rod are close to the piston piece cooperation setting of well lid one end, second buffer block and high-pressure piston rod are close to the piston piece cooperation setting of rear end cap one end.
In foretell high-pressure cylinder structure with buffer function, the cylinder is close to the one end of well lid and is equipped with the inclined plane, the one end and the inclined plane cooperation setting of first buffer block, the other end of first buffer block passes through first spring and piston piece swing joint, first buffer block adopts round platform shape structure, the second buffer block passes through second spring and rear end cap sliding connection, the second buffer block adopts T shape structure.
In the above high-pressure oil cylinder structure with a buffering function, the oil injection pipeline includes an oil inlet, an oil outlet and an oil guide pipe, the oil inlet, the oil outlet and the oil guide pipe are all communicated with the control box, the oil inlet is arranged at one end of the cylinder close to the rear end cover, the oil guide pipe is arranged at one end of the cylinder close to the middle cover, and the middle cover is arranged in a matching manner with the oil guide pipe through an oil isolating ring.
In the high-pressure oil cylinder structure with the buffering function, the control box is rotatably connected with the oil sealing plate through the hand wheel, and the oil sealing plate is respectively matched with the oil inlet, the oil outlet and the oil guide pipe through the cylindrical sliding cavity.
The invention has the beneficial effects that: through setting up double piston to high-pressure cylinder for the hydro-cylinder can carry out certain sharing to impact load when carrying out the operation, and then reduces the limit that buffer gear bore when high pressure, high load, improves the buffering effect among the buffer gear in-service use, avoids the damage that buffer gear received in long-term use simultaneously, increases the life of device.
When the device is used, a worker adjusts the operation mode of the oil cylinder through the control box according to the actual condition of the load of the high-pressure oil cylinder, when the oil cylinder works at high pressure and high load, the double-cavity operation of the oil cylinder is realized through the control box, so that when the oil cylinder works at load, the high-pressure piston rod drives the piston block to buffer through the first buffer block and the second buffer block respectively, the pressure on the oil cylinder is shared and buffered, and the buffering effect of the oil cylinder is improved; when the hydro-cylinder normally works, realize the single chamber operation of hydro-cylinder through the control box for the hydro-cylinder is carrying out load during operation, and high-pressure piston rod drives the piston piece and carries out buffering work through single buffer block, improves the availability factor of hydro-cylinder, avoids single piston piece to appear damaging in long-term use to lead to scrapping of hydro-cylinder, increases the life of device.
The invention has the outstanding characteristics that: utilize high-pressure cylinder's two-chamber operation for the hydro-cylinder can carry out certain sharing to the power that the piston piece received in the twinkling of an eye when receiving high pressure and assaulting, avoids buffer gear to receive the damage at high pressure, high-load's in-process, and the working method through the adjustment hydro-cylinder simultaneously improves the utilization efficiency of piston, avoids the device to use through single buffer gear for a long time and makes piston piece and hydro-cylinder produce wearing and tearing, improves the life of hydro-cylinder.
Drawings
FIG. 1 is a schematic structural diagram of the exterior of a high pressure oil cylinder structure with a buffer function provided by the invention;
FIG. 2 is a schematic structural diagram of the interior of a high-pressure oil cylinder structure with a buffering function provided by the invention;
FIG. 3 is a schematic view of a connection structure of an end cover and a cylinder barrel in a high-pressure oil cylinder structure with a buffering function provided by the invention;
FIG. 4 is a schematic structural diagram of a cushion assembly in a high-pressure cylinder structure with a cushion function according to the present invention;
fig. 5 is a schematic structural diagram of a control box in a high-pressure oil cylinder structure with a buffering function provided by the invention.
In the figure, 1 cylinder barrel, 11 mounting holes, 12 sealing rings, 13 inclined planes, 2 end covers, 21 front end covers, 22 rear end covers, 23 middle covers, 24 grooves, 25 annular grooves, 3 high-pressure piston rods, 31 clamping type dust rings, 32 piston rod sealing rings, 4 piston blocks, 41 piston sealing rings, 42 guide supporting rings, 5 buffer assemblies, 51 first buffer blocks, 52 second buffer blocks, 53 first springs, 54 second springs, 6 oil injection pipelines, 61 oil inlets, 62 oil outlets, 63 oil guide pipes, 64 oil isolating rings, 7 control boxes, 71 hand wheels, 72 oil sealing plates and 73 sliding cavities.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
As shown in fig. 1-5, a high pressure oil cylinder structure with buffering function, including cylinder 1, both ends of cylinder 1 can be dismantled and be connected with end cover 2, it should be noted that, end cover 2 includes front end housing 21, rear end housing 22 and well lid 23, and one end and the front end housing 21 of cylinder 1 can be dismantled and be connected, and the other end and the rear end housing 22 of cylinder 1 can be dismantled and be connected, and well lid 23 sets up the intermediate position at cylinder 1.
The specific detachable connection mode is as follows: front end housing 21 and rear end housing 22 all are equipped with recess 24, and recess 24 is equipped with the internal thread, and the both ends of cylinder 1 all are through the internal thread threaded connection of external screw thread and recess 24, and cylinder 1 is close to the one end of recess 24 and end cover 2 and all is equipped with mounting hole 11, and end cover 2 passes through bolt and 11 fixed connection of mounting hole for the fixed connection work between end cover 2 and the cylinder 1.
More specifically, the one end fixedly connected with sealing ring 12 that cylinder 1 is close to end cover 2, and end cover 2 is equipped with ring channel 25, and sealing ring 12 and ring channel 25 cooperation are connected, and the cross-section of sealing ring 12 adopts trapezium structure, improves the leakproofness of connecting between cylinder 1 and the end cover 2, avoids appearing the hydro-cylinder and the problem of leaking in the in-service use process.
Wherein 2 sliding connection of a set of end cover have high-pressure piston rod 3, it needs to notice, front end housing 21 is equipped with the shaft hole, high-pressure piston rod 3 passes through shaft hole and front end housing 21 sliding connection, the one end that front end housing 21 is close to high-pressure piston rod 3 is equipped with card income formula dust ring 31 and piston rod seal circle 32, card income formula dust ring 31 sets up inside the one end of keeping away from cylinder 1 at front end housing 21 avoids external dust etc. to get into cylinder 1 along with high-pressure piston rod 3, piston rod seal circle 32 sets up the one end that is close to cylinder 1 at front end housing 21, improve the sealed effect between high-pressure piston rod 3 and.
The high-pressure piston rod 3 is connected with the cylinder barrel 1 in a sliding mode through the piston block 4, it needs to be described that the high-pressure piston rod 3 is provided with external threads, the inner side of the piston block 4 is connected with the high-pressure piston rod 3 through threaded holes in a threaded mode, a piston sealing ring 41 and a guide supporting ring 42 are arranged on the outer side of the piston block 4, and therefore sealing performance between the piston block 4 and the cylinder barrel 1 is improved.
Piston block 4 cushions protection through buffer unit 5 to high-pressure piston rod 3, and it should be noted that buffer unit 5 includes first buffer block 51 and second buffer block 52, and first buffer block 51 and high-pressure piston rod 3 are close to the piston block 4 cooperation setting of well lid 23 one end, and second buffer block 52 and high-pressure piston rod 3 are close to the piston block 4 cooperation setting of rear end cap 22 one end, realize sharing buffering work of hydro-cylinder.
Specifically, one end of the cylinder barrel 1 close to the middle cover 23 is provided with an inclined plane, one end of a first buffer block 51 is matched with the inclined plane, the other end of the first buffer block 51 is movably connected with the piston block 4 through a first spring 53, the first buffer block 51 is provided with a through hole, the first buffer block 51 is in sliding connection with the high-pressure piston rod 3 through the through hole, the first buffer block 51 adopts a round platform structure, a second buffer block 52 is in sliding connection with the rear end cover 22 through a second spring 54, the rear end cover 22 is provided with a sliding seat, the second buffer block 52 is in sliding connection with the sliding seat through a second spring 54, the second buffer block 52 adopts a T-shaped structure, one end of the second buffer block 52 far away from the rear end cover 22 is provided with a positioning groove for positioning work of the high-pressure piston rod 3, so that the piston block 3 can share the buffer work through two groups of buffer blocks during the double-cavity work, the buffer effect of the high-pressure oil cylinder is improved, resulting in the rejection of the cylinder.
The one end that high-pressure piston rod 3 was kept away from to cylinder 1 is equipped with oiling pipeline 6, oiling pipeline 6 carries out flow control through control box 7, it is worth mentioning, oiling pipeline 6 includes oil inlet 61, oil-out 62 and oil pipe 63 leads, oil inlet 61, oil-out 62 and oil pipe 63 all communicate the setting with control box 7, oil duct and the setting of cylinder 1 intercommunication are passed through to the one end that oil pipe 63 kept away from control box 7, oil inlet 61 sets up the one end that is close to rear end cap 22 at cylinder 1, oil pipe 63 sets up the one end that is close to well lid 23 at cylinder 1, well lid 23 is through oil interceptor ring 64 and oil pipe 63 cooperation setting, oil interceptor ring 64 and well lid 23 fixed connection, an isolation work for two chamber oil ducts of hydro-cylinder, realize the two-chamber operation of hydro-cylinder.
Specifically, the oil inlet 61 and the oil outlet 62 are horizontally arranged, the oil guide pipe 63, the oil inlet 61 and the oil outlet 62 are vertically arranged respectively, the control box 7 is rotatably connected with an oil sealing plate 72 through a hand wheel 71, the oil sealing plate 72 is of an arc structure, the oil sealing plate 72 is rotatably connected with the control box 7 through a bearing, the oil sealing plate 72 is respectively matched with the oil inlet 61, the oil outlet 62 and the oil guide pipe 63 through a cylindrical sliding cavity 73, switching and opening of oil passages in the oil cylinder are achieved, and functionality of the high-pressure oil cylinder is improved.
The operating principle of the present invention will now be described as follows:
when the invention is used, a worker adjusts the operation mode of the oil cylinder through the control box 7 according to the actual condition of the load of the high-pressure oil cylinder, and the specific adjusting process comprises the following steps: the oil sealing plate 72 and the sliding cavity 73 of the control box 7 are driven to slide by rotating the hand wheel 71, so that the oil sealing plate 72 is matched with a corresponding oil passage, when the oil cylinder works at high pressure and high load, the oil sealing plate 72 is far away from the oil inlet 61, the oil outlet 62 and the oil guide pipe 63, the oil passage can be ensured to smoothly enter the oil outlet 62 and the oil guide pipe 63, and double-cavity operation of the oil cylinder is realized, so that when the oil cylinder works at load, the high-pressure piston rod 3 drives the piston block 4 to respectively buffer through the first buffer block 51 and the second buffer block 52, the first buffer block 51 buffers through the cooperation of the first spring 53 and the inclined surface of the cylinder barrel 1, and the second buffer block 52 buffers through the second spring 54 and the rear end cover 22 during buffering, so as to share and buffer the pressure on the oil cylinder, and improve the buffering effect of the oil cylinder; when the oil cylinder normally works, the oil sealing plate 72 rotates through the hand wheel 71 and slides and seals with the oil outlet 62 or the oil port of the oil guide pipe 63, single-cavity operation of the oil cylinder is achieved, when the oil cylinder works in a load mode, the high-pressure piston rod 3 drives the piston block 4 to buffer through the single buffer block, the service efficiency of the oil cylinder is improved, the phenomenon that the single piston block 4 is damaged in a long-term use process, the piston block 4 is abraded due to the fact that the buffer mechanism is damaged is avoided, scrapping of the oil cylinder is caused, and the service life of the device is prolonged.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a high-pressure oil cylinder structure with buffer function, includes cylinder (1), its characterized in that, the both ends of cylinder (1) all can be dismantled and be connected with end cover (2), one of them is a set of end cover (2) sliding connection has high-pressure piston rod (3), high-pressure piston rod (3) are through piston piece (4) and cylinder (1) sliding connection, piston piece (4) carry out the buffer protection through buffer assembly (5) to high-pressure piston rod (3), the one end that high-pressure piston rod (3) were kept away from in cylinder (1) is equipped with oil injection pipeline (6), oil injection pipeline (6) carry out flow control through control box (7).
2. The high-pressure oil cylinder structure with the buffering function according to claim 1, wherein one end of the cylinder barrel (1) is detachably connected with a front end cover (21), the front end cover (21) is slidably connected with the high-pressure piston rod (3), the other end of the cylinder barrel (1) is detachably connected with a rear end cover (22), and a middle cover (23) is arranged in the middle of the cylinder barrel (1).
3. The high-pressure oil cylinder structure with the buffering function according to claim 2, wherein the front end cover (21) and the rear end cover (22) are both provided with a groove (24), both ends of the cylinder barrel (1) are both in threaded connection with the grooves (24), one end of the cylinder barrel (1) close to the grooves (24) is provided with a mounting hole (11), and the end cover (2) is fixedly connected with the mounting hole (11) through a bolt.
4. The high-pressure oil cylinder structure with the buffering function according to claim 1, wherein a sealing ring (12) is fixedly connected to one end, close to the end cover (2), of the cylinder barrel (1), the end cover (2) is provided with an annular groove (25), the sealing ring (12) is connected with the annular groove (25) in a matching manner, and the cross section of the sealing ring (12) is of a trapezoidal structure.
5. The high-pressure oil cylinder structure with the buffering function according to claim 2, wherein a snap-in dust ring (31) and a piston rod sealing ring (32) are arranged at one end of the front end cover (21) close to the high-pressure piston rod (3), and the snap-in dust ring (31) and the piston rod sealing ring (32) are arranged in a matching manner.
6. The high-pressure oil cylinder structure with the buffering function according to claim 1, wherein the high-pressure piston rod (3) is provided with an external thread, the inner side of the piston block (4) is in threaded connection with the high-pressure piston rod (3), and the outer side of the piston block (4) is provided with a piston sealing ring (41) and a guide support ring (42).
7. The high-pressure oil cylinder structure with the buffering function according to claim 2, wherein the buffering component (5) comprises a first buffering block (51) and a second buffering block (52), the first buffering block (51) and the high-pressure piston rod (3) are arranged in a matching manner near the piston block (4) at one end of the middle cover (23), and the second buffering block (52) and the piston block (4) at one end of the high-pressure piston rod (3) near the rear end cover (22) are arranged in a matching manner.
8. The high-pressure oil cylinder structure with the buffering function according to claim 7, wherein an inclined surface is arranged at one end, close to the middle cover (23), of the cylinder barrel (1), one end of the first buffering block (51) is arranged in a matching manner with the inclined surface, the other end of the first buffering block (51) is movably connected with the piston block (4) through a first spring (53), the first buffering block (51) is of a circular table-shaped structure, the second buffering block (52) is slidably connected with the rear end cover (22) through a second spring (54), and the second buffering block (52) is of a T-shaped structure.
9. The high-pressure oil cylinder structure with the buffering function according to claim 2, wherein the oil injection pipeline (6) comprises an oil inlet (61), an oil outlet (62) and an oil guide pipe (63), the oil inlet (61), the oil outlet (62) and the oil guide pipe (63) are all communicated with the control box (7), the oil inlet (61) is arranged at one end of the cylinder barrel (1) close to the rear end cover (22), the oil guide pipe (63) is arranged at one end of the cylinder barrel (1) close to the middle cover (23), and the middle cover (23) is arranged in a matched manner through an oil isolating ring (64) and the oil guide pipe (63).
10. The high-pressure oil cylinder structure with the buffering function according to claim 9, wherein the control box (7) is rotatably connected with an oil sealing plate (72) through a hand wheel (71), and the oil sealing plate (72) is respectively matched with the oil inlet (61), the oil outlet (62) and the oil guide pipe (63) through a cylindrical sliding cavity (73).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011360771.3A CN112483506B (en) | 2020-11-27 | 2020-11-27 | High-pressure oil cylinder structure with buffer function |
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| CN202011360771.3A CN112483506B (en) | 2020-11-27 | 2020-11-27 | High-pressure oil cylinder structure with buffer function |
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| CN112483506A true CN112483506A (en) | 2021-03-12 |
| CN112483506B CN112483506B (en) | 2023-07-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503287A (en) * | 2021-07-01 | 2021-10-15 | 燕山大学 | Double-cylinder barrel symmetric double-piston hydraulic cylinder without cylinder cover |
| CN113883125A (en) * | 2021-10-28 | 2022-01-04 | 山东远观恩福机械设备有限公司 | Metallurgical cylinder with multistage cushioning effect |
| CN114233719A (en) * | 2021-11-30 | 2022-03-25 | 江苏龙城鸿辉液压机电有限公司 | Buffer structure of ultra-large hydraulic hoist |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595275A (en) * | 2014-11-30 | 2015-05-06 | 贵州红林机械有限公司 | Three-position precise air cylinder |
| CN105090159A (en) * | 2015-08-29 | 2015-11-25 | 济南大学 | Low-friction and quick-start hydraulic cylinder based on flutter mechanism |
| US20170088256A1 (en) * | 2015-09-30 | 2017-03-30 | Sumitomo Precision Products Co., Ltd. | Hydraulic cylinder for aircraft landing gear |
| CN107299922A (en) * | 2017-08-03 | 2017-10-27 | 安徽科海压缩机制造有限公司 | A kind of buffering hydraulic cylinder |
| CN108050130A (en) * | 2017-12-30 | 2018-05-18 | 广东顺德普南气动科技有限公司 | Locking cylinder |
| CN108708886A (en) * | 2018-08-10 | 2018-10-26 | 苏州劳灵精密机械有限公司 | The energy saving cylinder of single cylinder single-piston formula times power and start module |
| CN110939629A (en) * | 2019-12-20 | 2020-03-31 | 福建省龙岩盛通液压有限公司 | Hydraulic cylinder with buffer function |
-
2020
- 2020-11-27 CN CN202011360771.3A patent/CN112483506B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595275A (en) * | 2014-11-30 | 2015-05-06 | 贵州红林机械有限公司 | Three-position precise air cylinder |
| CN105090159A (en) * | 2015-08-29 | 2015-11-25 | 济南大学 | Low-friction and quick-start hydraulic cylinder based on flutter mechanism |
| US20170088256A1 (en) * | 2015-09-30 | 2017-03-30 | Sumitomo Precision Products Co., Ltd. | Hydraulic cylinder for aircraft landing gear |
| CN107299922A (en) * | 2017-08-03 | 2017-10-27 | 安徽科海压缩机制造有限公司 | A kind of buffering hydraulic cylinder |
| CN108050130A (en) * | 2017-12-30 | 2018-05-18 | 广东顺德普南气动科技有限公司 | Locking cylinder |
| CN108708886A (en) * | 2018-08-10 | 2018-10-26 | 苏州劳灵精密机械有限公司 | The energy saving cylinder of single cylinder single-piston formula times power and start module |
| CN110939629A (en) * | 2019-12-20 | 2020-03-31 | 福建省龙岩盛通液压有限公司 | Hydraulic cylinder with buffer function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503287A (en) * | 2021-07-01 | 2021-10-15 | 燕山大学 | Double-cylinder barrel symmetric double-piston hydraulic cylinder without cylinder cover |
| CN113883125A (en) * | 2021-10-28 | 2022-01-04 | 山东远观恩福机械设备有限公司 | Metallurgical cylinder with multistage cushioning effect |
| CN113883125B (en) * | 2021-10-28 | 2023-12-22 | 山东远观恩福机械设备有限公司 | Metallurgical cylinder with multistage cushioning effect |
| CN114233719A (en) * | 2021-11-30 | 2022-03-25 | 江苏龙城鸿辉液压机电有限公司 | Buffer structure of ultra-large hydraulic hoist |
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| CN112483506B (en) | 2023-07-04 |
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Denomination of invention: A high-pressure oil cylinder structure with buffering function Granted publication date: 20230704 Pledgee: Yuyue sub branch of Zhejiang Deqing Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG TUOBANG HYDRAULIC TECHNOLOGY Co.,Ltd. Registration number: Y2024980032424 |
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