CN107387492A - A kind of multistage perpendicular hydraulic cylinder and its way to play for time - Google Patents
A kind of multistage perpendicular hydraulic cylinder and its way to play for time Download PDFInfo
- Publication number
- CN107387492A CN107387492A CN201710857291.XA CN201710857291A CN107387492A CN 107387492 A CN107387492 A CN 107387492A CN 201710857291 A CN201710857291 A CN 201710857291A CN 107387492 A CN107387492 A CN 107387492A
- Authority
- CN
- China
- Prior art keywords
- level
- cylinder barrel
- chamber
- damper tube
- hand member
- 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
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
- F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
-
- 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
- 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
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/222—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having a piston with a piston extension or piston recess which throttles the main fluid outlet as the piston approaches its end position
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention relates to a kind of multistage perpendicular hydraulic cylinder and its way to play for time, multistage, which plays perpendicular hydraulic cylinder, includes hollow piston rod and the multistage cylinder barrel being sequentially sleeved on the outside of piston rod, wherein, outermost cylinder barrel is one-level cylinder barrel, one-level cylinder barrel inner sleeve set as two level cylinder barrel, the left end of piston rod is fixed with left journal stirrup, the right-hand member of one-level cylinder barrel is fixed with right journal stirrup, multiple throttle orifices of the anti-chamber grease chamber of connection one-level cylinder barrel and the anti-chamber grease chamber of two level cylinder barrel are offered on two level cylinder barrel, multiple throttle orifices are in the stroke-end position of one-level cylinder barrel.It has the advantages of simple in construction, control is easy, good buffer effect, long service life, and quick stretching and recovery can be achieved, and reduces and changes level impact and impact in place.Way to play for time has that technique is simple, realizes the characteristics of easy, easy to control.
Description
Technical field
The present invention relates to a kind of hydraulic cylinder, and in particular to a kind of multistage perpendicular hydraulic cylinder, and multistage play perpendicular hydraulic cylinder
Way to play for time.
Background technology
In hydraulic system, for multistage plays perpendicular hydraulic cylinder, it changes a grade moment overhanging and recovery, often because making
Being undergone mutation with area causes two-stage cylinder barrel to produce vibration, impact.For the problem, the way to play for time master that this area uses at present
To be outside segments flow control, i.e., choke valve or the volume control device of other forms are installed on the loop of control hydraulic cylinder, led to
Cross control flow to be buffered, its structure is complex, and control difficulty is larger.And the way to play for time of outside segments flow control can reduce
Multistage plays the speed of service of perpendicular hydraulic cylinder, can not meet the flexible requirement of quick and stable.
The content of the invention
It is an object of the invention to provide a kind of multistage perpendicular hydraulic cylinder and its way to play for time, it has simple in construction, control
Easily, good buffer effect, the advantages of service life is long, quick stretch out and recovery, reduction are changed level impact and impacted in place can be achieved.
To solve the above-mentioned problems in the prior art, it is provided by the invention it is a kind of multistage play perpendicular hydraulic cylinder, including in
Empty piston rod and the multistage cylinder barrel being sequentially sleeved on the outside of piston rod, wherein, outermost cylinder barrel is one-level cylinder barrel, first-stage cylinder
What cylinder inner side was arranged is fixed with left journal stirrup for two level cylinder barrel, the left end of the piston rod, and the right-hand member of the one-level cylinder barrel is fixed with
Right journal stirrup, it is characterised in that the anti-chamber grease chamber of connection one-level cylinder barrel and the anti-chamber grease chamber of two level cylinder barrel are offered on the two level cylinder barrel
Multiple throttle orifices, the multiple throttle orifice is in the stroke-end position of one-level cylinder barrel.
Further, a kind of multistage perpendicular hydraulic cylinder of the present invention, wherein, the multiple throttle orifice includes being distributed from left to right
One-level choke zone, two-step throttle area and three-level choke zone；Axial direction of the throttle orifice of the one-level choke zone along two level cylinder barrel is set
There are 2~6 circles, often enclose throttle orifice and be provided with 3~8 and be uniformly distributed its circumference along two level cylinder barrel；The two-step throttle area
Throttle orifice is provided with 6~24 and it is distributed in the shape of a spiral along the axial direction of two level cylinder barrel；The throttle orifice of the three-level choke zone is set
There are 2~6 and be uniformly distributed its circumference along two level cylinder barrel.
Further, a kind of multistage perpendicular hydraulic cylinder of the present invention, wherein, the inner sleeve of the two level cylinder barrel is provided with three-level cylinder
Cylinder, the right-hand member of two level cylinder barrel are fixed with second piston ring, and the inner edge of second piston ring is fixed with the two level for stretching into piston rod cavity
Damper tube, the left end of two level damper tube are fixed with two level damping sleeve, and the periphery wall of two level damping sleeve is in the conical surface left large and right small；Three
The right-hand member of level cylinder barrel is fixed with three-level piston ring, and the inner edge of three-level piston ring is fixed with the three-stage damping for stretching into piston rod cavity
Pipe, three-stage damping pipe sleeve are located at the outside of two level damper tube, are fixed with the internal perisporium of three-stage damping pipe and match somebody with somebody with two level damping sleeve
The positive chamber bumper ring of two level of conjunction；The right-hand member periphery wall of two level damper tube is in the conical surface left small and right large, the internal perisporium of three-stage damping pipe
Upper and in the positive chamber bumper ring of two level right positions are further fixed on the anti-chamber bumper ring of two level coordinated with two level damper tube right-hand member.
Further, a kind of multistage perpendicular hydraulic cylinder of the present invention, wherein, the three-level cylinder barrel is set in the outer of piston rod
Side, the periphery wall of the three-stage damping pipe is in the conical surface left small and right large, is fixed with the right-hand member internal perisporium of the piston rod and three
The anti-chamber bumper ring of three-level that level damper tube coordinates.
Further, a kind of multistage perpendicular hydraulic cylinder of the present invention, wherein, the inner sleeve of the three-level cylinder barrel is provided with level Four cylinder
Cylinder, the right-hand member of level Four cylinder barrel are fixed with level Four piston ring, and the inner edge of level Four piston ring is fixed with the level Four for stretching into piston rod cavity
Damper tube, level Four damper tube are set in the outside of three-stage damping pipe, and the left end of three-stage damping pipe is fixed with three-stage damping set, three-level
The periphery wall of damping sleeve is in the conical surface left large and right small, and three coordinated with three-stage damping set are fixed with the internal perisporium of level Four damper tube
The positive chamber bumper ring of level, the right-hand member periphery wall of three-stage damping pipe are in the conical surface left small and right large, on the internal perisporium of level Four damper tube and are located
In the anti-chamber bumper ring of three-level that the right positions of the positive chamber bumper ring of three-level are further fixed on coordinating with three-stage damping pipe right-hand member.
Further, a kind of multistage perpendicular hydraulic cylinder of the present invention, wherein, the level Four cylinder barrel is set in the outer of piston rod
Side, the periphery wall of the level Four damper tube is in the conical surface left small and right large, is fixed with the right-hand member internal perisporium of the piston rod and four
The anti-chamber bumper ring of level Four that level damper tube coordinates.
Further, a kind of multistage perpendicular hydraulic cylinder of the present invention, wherein, the orifice diameter in the two-step throttle area is less than
The orifice diameter of one-level choke zone, the orifice diameter of the three-level choke zone are equal to the orifice diameter in two-step throttle area.
Present invention also offers the way to play for time that a kind of three-level plays perpendicular hydraulic cylinder, the three-level plays perpendicular hydraulic cylinder including hollow
Piston rod and the three-level cylinder barrel that is sequentially sleeved on the outside of piston rod, wherein, outermost cylinder barrel is one-level cylinder barrel, one-level cylinder barrel
Inner side be arranged for two level cylinder barrel, two level cylinder barrel inner sleeve set as three-level cylinder barrel, the way to play for time comprises the following steps：
The first, throttle buffering structure is set between one-level cylinder barrel and two level cylinder barrel, the throttle buffering structure is, in two level
Multiple throttle orifices of the anti-chamber grease chamber of connection one-level cylinder barrel and the anti-chamber grease chamber of two level cylinder barrel are offered on cylinder barrel, and make multiple throttle orifices
Stroke-end position in one-level cylinder barrel；
The 2nd, two level Damped structure, the two level Damped structure are set between two level cylinder barrel and three-level cylinder barrel
Second piston ring to be fixedly installed in the right-hand member of two level cylinder barrel, and piston rod is stretched into fixed setting in the inner edge of second piston ring
The two level damper tube of inner chamber, two level damping sleeve is fixedly installed in the left end of two level damper tube, allows the periphery wall of two level damping sleeve to adopt
With the conical surface left large and right small, the right-hand member periphery wall of two level damper tube is allowed to use the conical surface left small and right large；Meanwhile in three-level cylinder barrel
Three-level piston ring is fixedly installed in right-hand member, and stretches into the three-stage damping of piston rod cavity in the fixed setting of the inner edge of three-level piston ring
Pipe, three-stage damping pipe sleeve are fixedly installed on the internal perisporium of three-stage damping pipe and corresponding hindered with two level in the outside of two level damper tube
The positive chamber bumper ring of two level and the anti-chamber bumper ring of two level that Buddhist nun covers and two level damper tube right-hand member coordinates；
The 3rd, three-stage damping buffer structure, the three-stage damping buffer structure are set between three-stage damping pipe and piston rod
For, allow the periphery wall of three-stage damping pipe to use the conical surface left small and right large, and on the right-hand member internal perisporium of piston rod fixed setting with
The anti-chamber bumper ring of three-level that three-stage damping pipe coordinates；
4th, allow three-level to play the positive and negative chamber grease chamber of perpendicular hydraulic cylinder to be connected with hydraulic fluid sources by outside choke valve respectively；
Wherein, multiple throttle orifices described in step 1 include one-level choke zone, the two-step throttle area being distributed from left to right
With three-level choke zone；The throttle orifice of one-level choke zone is axially arranged with 2~6 circles along two level cylinder barrel, often encloses throttle orifice and is provided with 3~8
It is individual and be uniformly distributed its circumference along two level cylinder barrel；The throttle orifice in two-step throttle area is provided with 6~24 and makes it along secondary cylinder
The axial direction of cylinder is distributed in the shape of a spiral；The throttle orifice of three-level choke zone is provided with 2~6 and it is uniformly divided along the circumferential of two level cylinder barrel
Cloth.
Present invention also offers the way to play for time that a kind of level Four plays perpendicular hydraulic cylinder, the level Four plays perpendicular hydraulic cylinder including hollow
Piston rod and the level Four cylinder barrel that is sequentially sleeved on the outside of piston rod, wherein, outermost cylinder barrel is one-level cylinder barrel, one-level cylinder barrel
Inner side be arranged for two level cylinder barrel, two level cylinder barrel inner sleeve set as three-level cylinder barrel, be arranged on the inside of three-level cylinder barrel for level Four cylinder
Cylinder, the way to play for time comprise the following steps：
The first, throttle buffering structure is set between one-level cylinder barrel and two level cylinder barrel, the throttle buffering structure is, in two level
Multiple throttle orifices of the anti-chamber grease chamber of connection one-level cylinder barrel and the anti-chamber grease chamber of two level cylinder barrel are opened up on cylinder barrel, and are made at multiple throttle orifices
In the stroke-end position of one-level cylinder barrel；
The 2nd, two level Damped structure, the two level Damped structure are set between two level cylinder barrel and three-level cylinder barrel
Second piston ring to be fixedly installed in the right-hand member of two level cylinder barrel, and piston rod is stretched into fixed setting in the inner edge of second piston ring
The two level damper tube of inner chamber, two level damping sleeve is fixedly installed in the left end of two level damper tube, allows the periphery wall of two level damping sleeve to adopt
With the conical surface left large and right small, the right-hand member periphery wall of two level damper tube is allowed to use the conical surface left small and right large；Meanwhile in three-level cylinder barrel
Three-level piston ring is fixedly installed in right-hand member, and stretches into the three-stage damping of piston rod cavity in the fixed setting of the inner edge of three-level piston ring
Pipe, three-stage damping pipe sleeve are fixedly installed on the internal perisporium of three-stage damping pipe and corresponding hindered with two level in the outside of two level damper tube
The positive chamber bumper ring of two level and the anti-chamber bumper ring of two level that Buddhist nun covers and two level damper tube right-hand member coordinates；
The 3rd, three-stage damping buffer structure, the three-stage damping buffer structure are set between three-level cylinder barrel and level Four cylinder barrel
Three-stage damping set to be fixedly installed in the left end of three-stage damping pipe, the periphery wall for allowing three-stage damping to cover uses cone left large and right small
Face, the right-hand member periphery wall of three-stage damping pipe is allowed to use the conical surface left small and right large；Meanwhile it is fixedly installed four in the right-hand member of level Four cylinder barrel
Level piston ring, and stretch into the level Four damper tube of piston rod cavity, level Four damping pipe sleeve in the fixed setting of the inner edge of level Four piston ring
In the outside of three-stage damping pipe, corresponding and three-stage damping set and three-stage damping are fixedly installed on the internal perisporium of level Four damper tube
The positive chamber bumper ring of three-level and the anti-chamber bumper ring of three-level that pipe right-hand member coordinates；
The 4th, level Four Damped structure, the level Four Damped structure are set between level Four damper tube and piston rod
For, allow the periphery wall of level Four damper tube to use the conical surface left small and right large, and on the right-hand member internal perisporium of piston rod fixed setting with
The anti-chamber bumper ring of level Four that level Four damper tube coordinates；
5th, allow level Four to play the positive and negative chamber grease chamber of perpendicular hydraulic cylinder to be connected with hydraulic fluid sources by outer choke valve respectively；
Wherein, multiple throttle orifices described in step 1 include one-level choke zone, the two-step throttle area being distributed from left to right
With three-level choke zone；The throttle orifice of one-level choke zone is axially arranged with 2~6 circles along two level cylinder barrel, often encloses throttle orifice and is provided with 3~8
It is individual and be uniformly distributed its circumference along two level cylinder barrel；The throttle orifice in two-step throttle area is provided with 6~24 and makes it along secondary cylinder
The axial direction of cylinder is distributed in the shape of a spiral；The throttle orifice of three-level choke zone is provided with 2~6 and it is uniformly divided along the circumferential of two level cylinder barrel
Cloth.
A kind of multistage perpendicular hydraulic cylinder of the invention and its way to play for time compared with prior art, have advantages below：This hair
The bright multistage cylinder barrel by setting hollow piston rod He being sequentially sleeved on the outside of piston rod, wherein, outermost cylinder barrel is one
Level cylinder barrel, one-level cylinder barrel inner sleeve set as two level cylinder barrel, left journal stirrup is fixedly installed in the left end of piston rod, in one-level cylinder barrel
Right journal stirrup is fixedly installed in right-hand member, and the more of the anti-chamber grease chamber of connection one-level cylinder barrel and the anti-chamber grease chamber of two level cylinder barrel are opened up on two level cylinder barrel
Individual throttle orifice, and allow multiple throttle orifices to be in the stroke-end position of one-level cylinder barrel.Thus a kind of simple in construction, control is just constituted
System is easy, the multistage of good buffer effect, service life length plays perpendicular hydraulic cylinder.In actual applications, when one-level cylinder barrel reach it is close
During end of travel, multiple throttle orifices towards its anti-chamber grease chamber can be gradually plugged, and the pressure of its anti-chamber grease chamber can be raised constantly,
The pressure of its positive and negative chamber grease chamber is reduced, speed is stretched out and slows down；And the pressure of the positive and negative chamber grease chamber of two level cylinder barrel can progressively reach it is flat
Weigh and start to stretch out, now one-level cylinder barrel is not yet arrived to end of travel, may proceed to stretch out until end of travel is reached, so as to realize
One-level cylinder barrel changes to two level cylinder barrel the buffering purpose of level, and the quick and stable that perpendicular hydraulic cylinder can be achieved is stretched out and recovery, effectively
Reduction is changed level impact and impacted in place.And of the invention throttle orifice is arranged on two level cylinder barrel will not be because increase cylinder barrel wall cause liquid
Cylinder pressure integral diameter and weight increase, it can effectively control the volume of hydraulic cylinder.Way to play for time have technique is simple, realize easily,
The characteristics of easy to control.
Shown embodiment is made to a kind of multistage perpendicular hydraulic cylinder of the invention and its way to play for time below in conjunction with the accompanying drawings
It is further described：
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the multistage three-level hydraulic cylinder embodiment for playing perpendicular hydraulic cylinder of the present invention；
Fig. 2 is the enlarged diagram of a-quadrant in Fig. 1；
Fig. 3 is a kind of multistage expanded schematic diagram for playing throttle orifice in perpendicular hydraulic cylinder of the present invention；
Fig. 4 is the enlarged diagram of B area in Fig. 1；
Fig. 5 is that two level damping sleeve shows in a kind of multistage three-level hydraulic cylinder embodiment for playing perpendicular hydraulic cylinder of the present invention
It is intended to；
Fig. 6 is that three-stage damping pipe shows in a kind of multistage three-level hydraulic cylinder embodiment for playing perpendicular hydraulic cylinder of the present invention
It is intended to.
Embodiment
Firstly the need of explanation, the noun of locality such as heretofore described front, back, left, right, up, down simply enters with reference to the accompanying drawings
Capable description, in order to understand, not to technical scheme and the limitation of claimed scope progress.
An a kind of multistage perpendicular hydraulic cylinder of the invention is specifically described so that three-level plays perpendicular hydraulic cylinder as an example below, such as Fig. 1
Shown in Fig. 6, including hollow piston rod 1 and the three-level cylinder barrel for being sequentially sleeved at the outside of piston rod 1, wherein, outermost cylinder
Cylinder be one-level cylinder barrel 2, be arranged on the inside of one-level cylinder barrel 2 for two level cylinder barrel 3.Left journal stirrup is fixedly installed in the left end of piston rod 1,
Right journal stirrup is fixedly installed in the right-hand member of one-level cylinder barrel 2.Connection one-level cylinder barrel 2 anti-chamber grease chamber and secondary cylinder are opened up on two level cylinder barrel 3
Multiple throttle orifices 31 of 3 anti-chamber grease chambers of cylinder, and multiple throttle orifices 31 is in the stroke-end position of one-level cylinder barrel 2.By with
Upper structure setting just constitutes a kind of three-level simple in construction, that control is easy, good buffer effect, service life are grown and plays perpendicular hydraulic pressure
Cylinder.During stretching, when one-level cylinder barrel 2 is reached close to end of travel, towards the meeting of multiple throttle orifices 31 of its anti-chamber grease chamber
Gradually it is plugged, the pressure of its anti-chamber grease chamber can be raised constantly, reduce the pressure difference of its positive and negative chamber grease chamber, stretched out speed and slowed down；
And the pressure of the positive and negative chamber grease chamber of two level cylinder barrel 3 can progressively reach and balance and start to stretch out, now one-level cylinder barrel 2 is not yet arrived to stroke
End, it may proceed to stretch out until end of travel is reached, it is achieved thereby that one-level cylinder barrel 2 arrives bit buffering and one during stretching out
Level cylinder barrel 2 changes level buffering purpose to two level cylinder barrel 3.And of the invention throttle orifice is arranged on two level cylinder barrel 3 will not be because of increase
Cylinder barrel wall causes hydraulic cylinder integral diameter and weight to increase, and can effectively control the volume of hydraulic cylinder.
As prioritization scheme, present embodiment allows the one-level choke zone that multiple throttle orifices 31 divide to be distributed from left to right
311st, two-step throttle area 312 and three-level choke zone 313.The throttle orifice of one-level choke zone 311 is allowed along the axially arranged of two level cylinder barrel 3
2~6 circles, every circle throttle orifice is allowed to set 3~8 and be uniformly distributed its circumference along two level cylinder barrel 3.Allow two-step throttle area 312
Throttle orifice set and 6~24 and it is distributed in the shape of a spiral along the axial direction of two level cylinder barrel 3.Allow the throttling of three-level choke zone 313
Hole sets 2~6 and is uniformly distributed its circumference along two level cylinder barrel 3.The throttle orifice 31 of this structure is in enhancing buffering effect
On the basis of, it can effectively avoid causing shock-absorbing capacity to decline because throttle orifice scratches sealing ring, ensure that the stabilization of hydraulic cylinder performance
Property and service life.It should be noted that in actual applications, one-level choke zone 311, two-step throttle area 312 and three-level throttling
The throttling hole number in area 313 should be according to being actually needed specific setting.The of the invention orifice diameter for generally allowing two-step throttle area 312
Less than the orifice diameter of one-level choke zone 311, and the orifice diameter of three-level choke zone 313 is set to be equal to two-step throttle area 312
Orifice diameter, its buffering effect is more preferable.
As embodiment, the cylinder barrel that the inner side of two level cylinder barrel 3 is arranged is three-level cylinder barrel 4.The present invention is in two level cylinder barrel 3
Right-hand member second piston ring 32 has been fixedly installed, and be fixedly installed in the inner edge of second piston ring 32 and stretched into the inner chamber of piston rod 1
Two level damper tube 33, two level damping sleeve 34 has been fixedly installed in the left end of two level damper tube 33.Allow the outer of two level damping sleeve 34
Perisporium uses the conical surface left large and right small.Meanwhile in the right-hand member fixed setting three-level piston ring 41 of three-level cylinder barrel 4, and lived in three-level
The three-stage damping pipe 42 of the inner chamber of piston rod 1 is stretched into the inner edge fixed setting of plug ring 41.Wherein, three-stage damping pipe 42 is enclosed on two level resistance
The outside of Buddhist nun's pipe 33.Fixed setting buffers with the positive chamber of the two level that two level damping sleeve 34 coordinates on the internal perisporium of three-stage damping pipe 42
Circle 43.This structure setting is during stretching, and when two level cylinder barrel is reached close to end of travel, two level damping sleeve 34 gradually enters
Enter the positive chamber bumper ring 43 of two level, because the periphery wall of two level damping sleeve 34 is the conical surface left large and right small, make gap between the two
It is less and less, that is, flow to that the runner of the positive chamber grease chamber of two level cylinder barrel 3 is less and less, subtract the pressure difference of the positive and negative chamber grease chamber of two level cylinder barrel 3
Small, stretching speed slows down, and the pressure of the positive and negative chamber grease chamber of three-level cylinder barrel 4 can progressively reach and balance and start to stretch out, now two level
Cylinder barrel 3 is not yet arrived to end of travel, may proceed to stretch out until end of travel is reached, it is achieved thereby that two level cylinder barrel during stretching out
3 to bit buffering and two level cylinder barrel 3 to three-level cylinder barrel 4 change level buffering purpose.
As prioritization scheme, present embodiment is by allowing the right-hand member periphery wall of two level damper tube 33 using left small and right large
The conical surface, and on the internal perisporium of three-stage damping pipe 42 and in the positive chamber bumper ring 43 of two level right positions be fixedly installed with
The anti-chamber bumper ring 44 of two level that the right-hand member of two level damper tube 33 coordinates.This structure setting is in removal process, when two level cylinder barrel 3 returns
Time receiving, the conical surface of the right-hand member of two level damper tube 33 can progress into the anti-chamber bumper ring 44 of two level, make both gaps less and less,
That is the runner of the positive chamber grease chamber backflow of two level cylinder barrel 3 is less and less, the pressure of the positive chamber grease chamber of two level cylinder barrel 3 is increased recovery speed and becomes
It is slow, and now a slow cylinder barrel has started to reclaim, it is achieved thereby that two level cylinder barrel 3 arrives bit buffering and two level cylinder barrel in removal process
3 change level buffering purpose to one-level cylinder barrel 2.As embodiment, the three-level cylinder barrel 4 of three-level hydraulic cylinder is to be set in piston
The outside of bar 1.Present embodiment is by allowing the periphery wall of three-stage damping pipe 42 to be in the conical surface left small and right large, and in piston rod
The anti-chamber bumper ring 11 of three-level that fixed setting coordinates with three-stage damping pipe 42 on 1 right-hand member internal perisporium, equally can be achieved to reclaim
Three-level cylinder barrel 4 changes level buffering purpose to bit buffering and three-level cylinder barrel 4 to two level cylinder barrel 3 in journey.
Perpendicular hydraulic cylinder is played by the three-level of above structure setting, during hydraulic cylinder stretching, passes through multiple throttle orifices 31
One-level cylinder barrel 2 can be achieved changes level buffering to bit buffering and one-level cylinder barrel 2 to two level cylinder barrel 3, passes through two level damping sleeve 34
The changing to three-level cylinder barrel 4 to bit buffering and two level cylinder barrel 3 of two level cylinder barrel 3 can be achieved in cooperation with the positive chamber bumper ring 43 of two level
Level buffering.The positive chamber of hydraulic cylinder is allowed to be connected by outside choke valve with hydraulic fluid sources in actual applications, by controlling outside segments
What the flow of stream valve can realize three-level cylinder barrel 4 arrives bit buffering.Meanwhile in hydraulic cylinder removal process, pass through three-stage damping pipe 42
Being arrived to bit buffering and three-level cylinder barrel 4 for three-level cylinder barrel 4 can be achieved in the cooperation of the conical surface of periphery wall and the anti-chamber bumper ring 11 of three-level
Two level cylinder barrel 3 changes level buffering, can be achieved by the cooperation of the anti-chamber bumper ring 44 of the conical surface and two level of the right-hand member of two level damper tube 33
Two level cylinder barrel 3 changes level buffering to bit buffering and two level cylinder barrel 3 to one-level cylinder barrel 2, and outside choke valve can realize one-level
Cylinder barrel 2 arrives bit buffering.A set of composite buffering scheme is just constituted by this setting, hydraulic cylinder can be effectively reduced and stretch out and reclaim
Impact in place and change level impact, realize quick and stable run.
Based on same inventive concept, present invention also offers a kind of level Four to play perpendicular hydraulic cylinder, and it includes hollow piston
Bar and the level Four cylinder barrel being sequentially sleeved on the outside of piston rod.Wherein, outermost cylinder barrel is one-level cylinder barrel, one-level cylinder barrel inner sleeve
If for two level cylinder barrel.Left journal stirrup is fixedly installed in the left end of piston rod, right journal stirrup is fixedly installed in the right-hand member of one-level cylinder barrel.
Multiple throttle orifices of the anti-chamber grease chamber of connection one-level cylinder barrel and the anti-chamber grease chamber of two level cylinder barrel are opened up on two level cylinder barrel, allow multiple throttle orifices
It is opened in the stroke-end position of one-level cylinder barrel.During hydraulic cylinder stretching, one-level cylinder barrel can be realized by multiple throttle orifices
Change level buffering to bit buffering and one-level cylinder barrel to two level cylinder barrel.
As prioritization scheme, present embodiment allow multiple throttle orifices be divided into be distributed from left to right one-level choke zone,
Two-step throttle area and three-level choke zone.Allow axially arranged 2~6 circle of the throttle orifice along two level cylinder barrel of one-level choke zone, allow every circle
Throttle orifice sets 3~8 and is uniformly distributed its circumference along two level cylinder barrel.The throttle orifice in two-step throttle area is allowed to set 6~24
It is individual and it is distributed in the shape of a spiral along the axial direction of two level cylinder barrel.The throttle orifice of three-level choke zone is allowed to set 2~6 and make it along two
The circumference of level cylinder barrel is uniformly distributed.The throttle orifice of this structure can be avoided effectively because of throttling on the basis of buffering effect is strengthened
Hole, which scratches sealing ring, causes shock-absorbing capacity to decline, and ensure that the stability and service life of hydraulic cylinder performance.
As embodiment, the cylinder barrel that two level cylinder barrel inner sleeve is set is three-level cylinder barrel.The present invention is in two level cylinder barrel
Second piston ring has been fixedly installed in right-hand member, and the two level resistance for stretching into piston rod cavity has been fixedly installed in the inner edge of second piston ring
Buddhist nun manages, and two level damping sleeve has been fixedly installed in the left end of two level damper tube.The periphery wall of two level damping sleeve is allowed using left large and right small
The conical surface.Meanwhile three-level piston ring is fixedly installed in the right-hand member of three-level cylinder barrel, and fixed setting is stretched in the inner edge of three-level piston ring
Enter the three-stage damping pipe of piston rod cavity.Wherein, three-stage damping pipe sleeve is in the outside of two level damper tube.In three-stage damping pipe
The positive chamber bumper ring of two level that fixed setting coordinates with two level damping sleeve on perisporium.This structure setting is during stretching, when two
For level cylinder barrel when reaching close to end of travel, two level damping sleeve progresses into the positive chamber bumper ring of two level, outer due to two level damping sleeve
Perisporium is cone left large and right small, makes gap between the two less and less, that is, the runner for flowing to the positive chamber grease chamber of two level cylinder barrel is more next
It is smaller, reduce the pressure differential of the positive and negative chamber grease chamber of two level cylinder barrel, stretch out speed and slow down, and the pressure of the positive and negative chamber grease chamber of three-level cylinder barrel
It can progressively reach and balance and start to stretch out, now two level cylinder barrel is not yet arrived to end of travel, may proceed to stretch out until reaching stroke
End, it is achieved thereby that the level of changing to bit buffering and two level cylinder barrel to three-level cylinder barrel of two level cylinder barrel buffers mesh during stretching out
's.
Be arranged as embodiment, on the inside of three-level cylinder barrel for level Four cylinder barrel.Right-hand member of the present invention in level Four cylinder barrel
Level Four piston ring has been fixedly installed, and the level Four damping for stretching into piston rod cavity has been fixedly installed in the inner edge of level Four piston ring
Pipe.Wherein level Four damper tube is enclosed on the outside of three-stage damping pipe.Three-stage damping set has been fixedly installed in the left end of three-stage damping pipe,
The periphery wall for allowing three-stage damping to cover is in the conical surface left large and right small, has been fixedly installed on the internal perisporium of level Four damper tube and has been hindered with three-level
Buddhist nun covers the positive chamber bumper ring of three-level coordinated.Meanwhile allow the right-hand member periphery wall of three-stage damping pipe to use the conical surface left small and right large, four
On the internal perisporium of level damper tube and the right positions in the positive chamber bumper ring of three-level have been fixedly installed and matched somebody with somebody with three-stage damping pipe right-hand member
The anti-chamber bumper ring of three-level of conjunction., can by the cooperation of three-stage damping set and the positive chamber bumper ring of three-level during hydraulic cylinder stretching
That realizes three-level cylinder barrel changes level buffering to bit buffering and three-level cylinder barrel to level Four cylinder barrel.In hydraulic cylinder removal process, lead to
That crosses the achievable three-level cylinder barrel of cooperation of the conical surface and the anti-chamber bumper ring of three-level of three-stage damping pipe right-hand member arrives bit buffering and three-level
Cylinder barrel changes level buffering to two level cylinder barrel.In addition, as embodiment, level Four cylinder barrel is set on the outside of piston rod.
The present invention is fixed by allowing the periphery wall of level Four damper tube to use the conical surface left small and right large on the right-hand member internal perisporium of piston rod
There is provided the anti-chamber bumper ring of the level Four coordinated with level Four damper tube, level Four cylinder barrel arrives bit buffering in same achievable removal process
And level Four cylinder barrel changes level buffering to three-level cylinder barrel.
It should be noted that based on same inventive concept, the present invention can also be by above-mentioned composite buffering technical scheme application
It is same to can be achieved to reduce the skill impacted in place and change level impact that hydraulic cylinder stretches out and reclaimed on hydraulic cylinder more than 5 grades
Art purpose.
Present invention also offers the way to play for time that a kind of three-level plays perpendicular hydraulic cylinder.As shown in Figures 1 to 6, three-level plays perpendicular hydraulic pressure
Cylinder includes hollow piston rod 1 and is sequentially sleeved at the three-level cylinder barrel in the outside of piston rod 1, wherein, outermost cylinder barrel is one-level
Cylinder barrel 2, the inner side of one-level cylinder barrel 2 be arranged for two level cylinder barrel 3, the inner side of two level cylinder barrel 3 be arranged for three-level cylinder barrel 4.Way to play for time
Comprise the following steps：
First, throttle buffering structure is set between one-level cylinder barrel 2 and two level cylinder barrel 3.Throttle buffering structure is specifically, two
Multiple throttle orifices 31 of the 2 anti-anti- chamber grease chamber of chamber grease chamber and two level cylinder barrel 3 of connection one-level cylinder barrel are opened up on level cylinder barrel 3, and are made multiple
Throttle orifice 31 is in the stroke-end position of one-level cylinder barrel 2.Wherein, multiple throttle orifices include the one-level throttling being distributed from left to right
Area, two-step throttle area and three-level choke zone；The throttle orifice of one-level choke zone is axially arranged with 2~6 circles along two level cylinder barrel, often circle section
Discharge orifice is provided with 3~8 and is uniformly distributed its circumference along two level cylinder barrel；The throttle orifice in two-step throttle area is provided with 6~24 simultaneously
It is set to be distributed in the shape of a spiral along the axial direction of two level cylinder barrel；The throttle orifice of three-level choke zone is provided with 2~6 and makes it along two level cylinder barrel
Circumference be uniformly distributed.
The 2nd, two level Damped structure is set between two level cylinder barrel 3 and three-level cylinder barrel 4.Two level Damped structure has
Body is that in the right-hand member fixed setting second piston ring 32 of two level cylinder barrel 3, and fixed setting is stretched into the inner edge of second piston ring 32
The two level damper tube 33 of the inner chamber of piston rod 1, in the left end fixed setting two level damping sleeve 34 of two level damper tube 33, two level is allowed to damp
The periphery wall of set 34 uses the conical surface left large and right small, allows the right-hand member periphery wall of two level damper tube 33 to use the conical surface left small and right large.
Meanwhile in the right-hand member fixed setting three-level piston ring 41 of three-level cylinder barrel 4, and fixed setting is stretched into the inner edge of three-level piston ring 41
The three-stage damping pipe 42 of the inner chamber of piston rod 1.Wherein three-stage damping pipe 42 is enclosed on the outside of two level damper tube 33.In three-stage damping pipe
The corresponding positive chamber of two level coordinated with two level damping sleeve 34 and the right-hand member of two level damper tube 33 is fixedly installed on 42 internal perisporium to buffer
Circle 43 and the anti-chamber bumper ring 44 of two level.
The 3rd, three-stage damping buffer structure is set between three-stage damping pipe 42 and piston rod 1.Three-stage damping buffer structure has
Body is to allow the periphery wall of three-stage damping pipe 42 to use the conical surface left small and right large, and fixation is set on the right-hand member internal perisporium of piston rod 1
Put the anti-chamber bumper ring 11 of three-level coordinated with three-stage damping pipe 42.
4th, allow three-level to play the positive and negative chamber grease chamber of perpendicular hydraulic cylinder to be connected with hydraulic fluid sources by outside choke valve respectively.
It has that technique is simple, realizes the characteristics of easy, easy to control.
Present invention also offers the way to play for time that a kind of level Four plays perpendicular hydraulic cylinder.Level Four, which plays perpendicular hydraulic cylinder, includes hollow work
Stopper rod and the level Four cylinder barrel being sequentially sleeved on the outside of piston rod, wherein, outermost cylinder barrel be one-level cylinder barrel, one-level cylinder barrel inner side
Be arranged for two level cylinder barrel, two level cylinder barrel inner sleeve set as three-level cylinder barrel, be arranged on the inside of three-level cylinder barrel for level Four cylinder barrel.It is slow
Punching method comprises the following steps：
First, throttle buffering structure is set between one-level cylinder barrel and two level cylinder barrel.Throttle buffering structure is specifically, in two level
Multiple throttle orifices of the anti-chamber grease chamber of connection one-level cylinder barrel and the anti-chamber grease chamber of two level cylinder barrel are opened up on cylinder barrel, and are made at multiple throttle orifices
In the stroke-end position of one-level cylinder barrel.Wherein, multiple throttle orifices include one-level choke zone, the two-step throttle being distributed from left to right
Area and three-level choke zone；The throttle orifice of one-level choke zone along two level cylinder barrel be axially arranged with 2~6 circle, often enclose throttle orifice be provided with 3~
8 and it is uniformly distributed its circumference along two level cylinder barrel；The throttle orifice in two-step throttle area is provided with 6~24 and makes it along secondary cylinder
The axial direction of cylinder is distributed in the shape of a spiral；The throttle orifice of three-level choke zone is provided with 2~6 and it is uniformly divided along the circumferential of two level cylinder barrel
Cloth.
The 2nd, two level Damped structure is set between two level cylinder barrel and three-level cylinder barrel.Two level Damped structure is specific
Second piston ring to be fixedly installed in the right-hand member of two level cylinder barrel, and piston rod is stretched into fixed setting in the inner edge of second piston ring
The two level damper tube of inner chamber, two level damping sleeve is fixedly installed in the left end of two level damper tube, allows the periphery wall of two level damping sleeve to adopt
With the conical surface left large and right small, the right-hand member periphery wall of two level damper tube is allowed to use the conical surface left small and right large.Meanwhile in three-level cylinder barrel
Three-level piston ring is fixedly installed in right-hand member, and stretches into the three-stage damping of piston rod cavity in the fixed setting of the inner edge of three-level piston ring
Pipe, three-stage damping pipe sleeve are fixedly installed on the internal perisporium of three-stage damping pipe and corresponding hindered with two level in the outside of two level damper tube
The positive chamber bumper ring of two level and the anti-chamber bumper ring of two level that Buddhist nun covers and two level damper tube right-hand member coordinates.
The 3rd, three-stage damping buffer structure is set between three-level cylinder barrel and level Four cylinder barrel.Three-stage damping buffer structure is specific
Three-stage damping set to be fixedly installed in the left end of three-stage damping pipe, the periphery wall for allowing three-stage damping to cover uses cone left large and right small
Face, the right-hand member periphery wall of three-stage damping pipe is allowed to use the conical surface left small and right large.Meanwhile it is fixedly installed four in the right-hand member of level Four cylinder barrel
Level piston ring, and stretch into the level Four damper tube of piston rod cavity, level Four damping pipe sleeve in the fixed setting of the inner edge of level Four piston ring
In the outside of three-stage damping pipe, corresponding and three-stage damping set and three-stage damping are fixedly installed on the internal perisporium of level Four damper tube
The positive chamber bumper ring of three-level and the anti-chamber bumper ring of three-level that pipe right-hand member coordinates.
The 4th, level Four Damped structure is set between level Four damper tube and piston rod.Level Four Damped structure is specific
For, allow the periphery wall of level Four damper tube to use the conical surface left small and right large, and on the right-hand member internal perisporium of piston rod fixed setting with
The anti-chamber bumper ring of level Four that level Four damper tube coordinates.
5th, allow level Four to play the positive and negative chamber grease chamber of perpendicular hydraulic cylinder to be connected with hydraulic fluid sources by outer choke valve respectively.
It has that technique is simple, realizes the characteristics of easy, easy to control.
Above example is only the description carried out to the preferred embodiment of the present invention, and model not is claimed to the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technology of this area engineers and technicians according to the present invention
The various forms of deformations that scheme is made, it all should fall into the protection domain of claims of the present invention determination.
Claims (9)
1. perpendicular hydraulic cylinder is played a kind of multistage, including hollow piston rod and the multistage cylinder barrel that is sequentially sleeved on the outside of piston rod, its
In, outermost cylinder barrel is one-level cylinder barrel, one-level cylinder barrel inner sleeve set as two level cylinder barrel, the left end of the piston rod is fixed with
Left journal stirrup, the right-hand member of the one-level cylinder barrel are fixed with right journal stirrup, it is characterised in that offer connection one-level on the two level cylinder barrel
Multiple throttle orifices of the anti-chamber grease chamber of cylinder barrel and the anti-chamber grease chamber of two level cylinder barrel, the multiple throttle orifice are in the stroke end of one-level cylinder barrel
End position.
2. play perpendicular hydraulic cylinder according to one kind described in claim 1 is multistage, it is characterised in that the multiple throttle orifice is included by a left side
To one-level choke zone, two-step throttle area and the three-level choke zone of right distribution；The throttle orifice of the one-level choke zone is along two level cylinder barrel
Be axially arranged with 2~6 circles, often enclosing throttle orifice and being provided with and is uniformly distributed its circumference along two level cylinder barrel by 3~8；The two level
The throttle orifice of choke zone is provided with 6~24 and it is distributed in the shape of a spiral along the axial direction of two level cylinder barrel；The three-level choke zone
Throttle orifice is provided with 2~6 and is uniformly distributed its circumference along two level cylinder barrel.
3. play perpendicular hydraulic cylinder according to one kind described in claim 2 is multistage, it is characterised in that be arranged on the inside of the two level cylinder barrel
There is three-level cylinder barrel, the right-hand member of two level cylinder barrel is fixed with second piston ring, and the inner edge of second piston ring, which is fixed with, to be stretched into piston rod
The two level damper tube of chamber, the left end of two level damper tube are fixed with two level damping sleeve, and the periphery wall of two level damping sleeve is in left large and right small
The conical surface；The right-hand member of three-level cylinder barrel is fixed with three-level piston ring, and the inner edge of three-level piston ring, which is fixed with, stretches into piston rod cavity
Three-stage damping pipe, three-stage damping pipe sleeve are located at the outside of two level damper tube, are fixed with the internal perisporium of three-stage damping pipe and two level
The positive chamber bumper ring of two level that damping sleeve coordinates；The right-hand member periphery wall of two level damper tube is in the conical surface left small and right large, three-stage damping pipe
Internal perisporium on and in the positive chamber bumper ring of two level right positions be further fixed on two level damper tube right-hand member coordinate two level it is anti-
Chamber bumper ring.
4. play perpendicular hydraulic cylinder according to one kind described in claim 3 is multistage, it is characterised in that the three-level cylinder barrel is set in piston
The outside of bar, the periphery wall of the three-stage damping pipe is in the conical surface left small and right large, is fixed on the right-hand member internal perisporium of the piston rod
There is the anti-chamber bumper ring of three-level coordinated with three-stage damping pipe.
5. play perpendicular hydraulic cylinder according to one kind described in claim 3 is multistage, it is characterised in that be arranged on the inside of the three-level cylinder barrel
There is level Four cylinder barrel, the right-hand member of level Four cylinder barrel is fixed with level Four piston ring, and the inner edge of level Four piston ring, which is fixed with, to be stretched into piston rod
The level Four damper tube of chamber, level Four damper tube are set in the outside of three-stage damping pipe, and the left end of three-stage damping pipe is fixed with three-level resistance
Buddhist nun covers, and the periphery wall of three-stage damping set is in the conical surface left large and right small, is fixed with the internal perisporium of level Four damper tube and three-stage damping
Cover the positive chamber bumper ring of three-level coordinated, the right-hand member periphery wall of three-stage damping pipe is in the conical surface left small and right large, level Four damper tube it is interior
On perisporium and the right positions in the positive chamber bumper ring of three-level are further fixed on delaying with the anti-chamber of three-level that three-stage damping pipe right-hand member coordinates
Punching circle.
6. play perpendicular hydraulic cylinder according to one kind described in claim 5 is multistage, it is characterised in that the level Four cylinder barrel is set in piston
The outside of bar, the periphery wall of the level Four damper tube is in the conical surface left small and right large, is fixed on the right-hand member internal perisporium of the piston rod
There is the anti-chamber bumper ring of level Four coordinated with level Four damper tube.
7. play perpendicular hydraulic cylinder according to one kind described in claim any one of 2-6 is multistage, it is characterised in that the two-step throttle area
Orifice diameter be less than the orifice diameter of one-level choke zone, the orifice diameter of the three-level choke zone is equal to two-step throttle
The orifice diameter in area.
8. a kind of three-level plays the way to play for time of perpendicular hydraulic cylinder, the three-level, which plays perpendicular hydraulic cylinder, to be included hollow piston rod and covers successively
The three-level cylinder barrel being located on the outside of piston rod, wherein, outermost cylinder barrel is one-level cylinder barrel, one-level cylinder barrel inner sleeve set as two level
Cylinder barrel, two level cylinder barrel inner sleeve set as three-level cylinder barrel, it is characterised in that the way to play for time comprises the following steps：
The first, throttle buffering structure is set between one-level cylinder barrel and two level cylinder barrel, the throttle buffering structure is, in two level cylinder barrel
On open up multiple throttle orifices of the anti-chamber grease chamber of connection one-level cylinder barrel and the anti-chamber grease chamber of two level cylinder barrel, and multiple throttle orifices is in one
The stroke-end position of level cylinder barrel；
2nd, setting two level Damped structure, the two level Damped structure are between two level cylinder barrel and three-level cylinder barrel,
The right-hand member fixed setting second piston ring of two level cylinder barrel, and piston rod cavity is stretched into fixed setting in the inner edge of second piston ring
Two level damper tube, two level damping sleeve is fixedly installed in the left end of two level damper tube, allows the periphery wall of two level damping sleeve using left big
The right small conical surface, allows the right-hand member periphery wall of two level damper tube to use the conical surface left small and right large；Meanwhile consolidate in the right-hand member of three-level cylinder barrel
Three-level piston ring is set surely, and the three-stage damping pipe of piston rod cavity, three-level are stretched into the fixed setting of the inner edge of three-level piston ring
Damper tube is enclosed on the outside of two level damper tube, be fixedly installed on the internal perisporium of three-stage damping pipe it is corresponding with two level damping sleeve and
The positive chamber bumper ring of two level and the anti-chamber bumper ring of two level that two level damper tube right-hand member coordinates；
The 3rd, three-stage damping buffer structure is set between three-stage damping pipe and piston rod, the three-stage damping buffer structure is to allow
The periphery wall of three-stage damping pipe uses the conical surface left small and right large, and fixed setting hinders with three-level on the right-hand member internal perisporium of piston rod
The anti-chamber bumper ring of three-level that Buddhist nun's pipe coordinates；
4th, allow three-level to play the positive and negative chamber grease chamber of perpendicular hydraulic cylinder to be connected with hydraulic fluid sources by outside choke valve respectively；
Wherein, multiple throttle orifices described in step 1 include one-level choke zone, the two-step throttle area and three being distributed from left to right
Level choke zone；The throttle orifice of one-level choke zone is axially arranged with 2~6 circles along two level cylinder barrel, often encloses throttle orifice and is provided with 3~8 simultaneously
It is uniformly distributed its circumference along two level cylinder barrel；The throttle orifice in two-step throttle area is provided with 6~24 and makes it along two level cylinder barrel
Axially it is distributed in the shape of a spiral；The throttle orifice of three-level choke zone is provided with 2~6 and is uniformly distributed its circumference along two level cylinder barrel.
9. a kind of level Four plays the way to play for time of perpendicular hydraulic cylinder, the level Four, which plays perpendicular hydraulic cylinder, to be included hollow piston rod and covers successively
The level Four cylinder barrel being located on the outside of piston rod, wherein, outermost cylinder barrel is one-level cylinder barrel, one-level cylinder barrel inner sleeve set as two level
Cylinder barrel, what two level cylinder barrel inner sleeve was set be arranged as three-level cylinder barrel, on the inside of three-level cylinder barrel for level Four cylinder barrel, it is characterised in that institute
Way to play for time is stated to comprise the following steps：
The first, throttle buffering structure is set between one-level cylinder barrel and two level cylinder barrel, the throttle buffering structure is, in two level cylinder barrel
On open up multiple throttle orifices of the anti-chamber grease chamber of connection one-level cylinder barrel and the anti-chamber grease chamber of two level cylinder barrel, and multiple throttle orifices is in one
The stroke-end position of level cylinder barrel；
2nd, setting two level Damped structure, the two level Damped structure are between two level cylinder barrel and three-level cylinder barrel,
The right-hand member fixed setting second piston ring of two level cylinder barrel, and piston rod cavity is stretched into fixed setting in the inner edge of second piston ring
Two level damper tube, two level damping sleeve is fixedly installed in the left end of two level damper tube, allows the periphery wall of two level damping sleeve using left big
The right small conical surface, allows the right-hand member periphery wall of two level damper tube to use the conical surface left small and right large；Meanwhile consolidate in the right-hand member of three-level cylinder barrel
Three-level piston ring is set surely, and the three-stage damping pipe of piston rod cavity, three-level are stretched into the fixed setting of the inner edge of three-level piston ring
Damper tube is enclosed on the outside of two level damper tube, be fixedly installed on the internal perisporium of three-stage damping pipe it is corresponding with two level damping sleeve and
The positive chamber bumper ring of two level and the anti-chamber bumper ring of two level that two level damper tube right-hand member coordinates；
3rd, setting three-stage damping buffer structure, the three-stage damping buffer structure are between three-level cylinder barrel and level Four cylinder barrel,
The left end fixed setting three-stage damping set of three-stage damping pipe, the periphery wall for allowing three-stage damping to cover use the conical surface left large and right small, allowed
The right-hand member periphery wall of three-stage damping pipe uses the conical surface left small and right large；Meanwhile lived in the right-hand member fixed setting level Four of level Four cylinder barrel
Plug ring, and the level Four damper tube of piston rod cavity is stretched into the fixed setting of the inner edge of level Four piston ring, level Four damper tube is enclosed on three
The outside of level damper tube, it is fixedly installed on the internal perisporium of level Four damper tube corresponding right with three-stage damping set and three-stage damping pipe
Hold the positive chamber bumper ring of three-level and the anti-chamber bumper ring of three-level coordinated；
The 4th, level Four Damped structure is set between level Four damper tube and piston rod, the level Four Damped structure is to allow
The periphery wall of level Four damper tube uses the conical surface left small and right large, and fixed setting hinders with level Four on the right-hand member internal perisporium of piston rod
The anti-chamber bumper ring of level Four that Buddhist nun's pipe coordinates；
5th, allow level Four to play the positive and negative chamber grease chamber of perpendicular hydraulic cylinder to be connected with hydraulic fluid sources by outer choke valve respectively；
Wherein, multiple throttle orifices described in step 1 include one-level choke zone, the two-step throttle area and three being distributed from left to right
Level choke zone；The throttle orifice of one-level choke zone is axially arranged with 2~6 circles along two level cylinder barrel, often encloses throttle orifice and is provided with 3~8 simultaneously
It is uniformly distributed its circumference along two level cylinder barrel；The throttle orifice in two-step throttle area is provided with 6~24 and makes it along two level cylinder barrel
Axially it is distributed in the shape of a spiral；The throttle orifice of three-level choke zone is provided with 2~6 and is uniformly distributed its circumference along two level cylinder barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710857291.XA CN107387492B (en) | 2017-09-21 | 2017-09-21 | A kind of multistage perpendicular hydraulic cylinder and its way to play for time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710857291.XA CN107387492B (en) | 2017-09-21 | 2017-09-21 | A kind of multistage perpendicular hydraulic cylinder and its way to play for time |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107387492A true CN107387492A (en) | 2017-11-24 |
| CN107387492B CN107387492B (en) | 2019-03-15 |
Family
ID=60351119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710857291.XA Active CN107387492B (en) | 2017-09-21 | 2017-09-21 | A kind of multistage perpendicular hydraulic cylinder and its way to play for time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107387492B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738732A (en) * | 2021-08-16 | 2021-12-03 | 中国长江电力股份有限公司 | Multidirectional variable mass center three-level elastic damping vibration suppression device for hydraulic cylinder of gate hoist |
| CN117605733A (en) * | 2024-01-22 | 2024-02-27 | 张家口长城液压油缸有限公司 | Multistage telescopic erection hydraulic cylinder with core pipe structure |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55107102A (en) * | 1979-02-09 | 1980-08-16 | Shin Meiwa Ind Co Ltd | Shock absorber for multi-stage cylinder |
| DE20106764U1 (en) * | 2001-04-19 | 2001-07-19 | Schlutz, Heinz, 45770 Marl | Mining cylinder with coating |
| CN201121618Y (en) * | 2007-03-21 | 2008-09-24 | 北京航天发射技术研究所 | Normal and inverse cavity throttling buffering multilevel hydraulic cylinder |
| CN202418094U (en) * | 2011-12-01 | 2012-09-05 | 烟台未来自动装备有限责任公司 | Anti-swelling multi-stage hydraulic cylinder used for sanitation vehicle |
| CN102767548A (en) * | 2012-07-26 | 2012-11-07 | 三一矿机有限公司 | Multi-stage hydraulic cylinder and mining self-dumping truck |
| CN202833410U (en) * | 2012-08-15 | 2013-03-27 | 江苏昌力油缸有限公司 | Multi-stage hydro-cylinder with buffering function |
| CN103090749A (en) * | 2011-11-01 | 2013-05-08 | 北京航天发射技术研究所 | Connecting device and connecting method used for disconnecting or connecting launcher with erecting hydraulic cylinder |
| CN103671348A (en) * | 2013-12-17 | 2014-03-26 | 湘电重型装备有限公司 | Lifting hydraulic oil cylinder of mining dump truck |
| WO2016001428A1 (en) * | 2014-07-04 | 2016-01-07 | Binotto - S.R.L. | Telescopic hydraulic cylinder |
| CN105673611A (en) * | 2016-04-19 | 2016-06-15 | 北京航天发射技术研究所 | Double-action multistage anti-rotation hydraulic cylinder |
-
2017
- 2017-09-21 CN CN201710857291.XA patent/CN107387492B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55107102A (en) * | 1979-02-09 | 1980-08-16 | Shin Meiwa Ind Co Ltd | Shock absorber for multi-stage cylinder |
| DE20106764U1 (en) * | 2001-04-19 | 2001-07-19 | Schlutz, Heinz, 45770 Marl | Mining cylinder with coating |
| CN201121618Y (en) * | 2007-03-21 | 2008-09-24 | 北京航天发射技术研究所 | Normal and inverse cavity throttling buffering multilevel hydraulic cylinder |
| CN103090749A (en) * | 2011-11-01 | 2013-05-08 | 北京航天发射技术研究所 | Connecting device and connecting method used for disconnecting or connecting launcher with erecting hydraulic cylinder |
| CN202418094U (en) * | 2011-12-01 | 2012-09-05 | 烟台未来自动装备有限责任公司 | Anti-swelling multi-stage hydraulic cylinder used for sanitation vehicle |
| CN102767548A (en) * | 2012-07-26 | 2012-11-07 | 三一矿机有限公司 | Multi-stage hydraulic cylinder and mining self-dumping truck |
| CN202833410U (en) * | 2012-08-15 | 2013-03-27 | 江苏昌力油缸有限公司 | Multi-stage hydro-cylinder with buffering function |
| CN103671348A (en) * | 2013-12-17 | 2014-03-26 | 湘电重型装备有限公司 | Lifting hydraulic oil cylinder of mining dump truck |
| WO2016001428A1 (en) * | 2014-07-04 | 2016-01-07 | Binotto - S.R.L. | Telescopic hydraulic cylinder |
| CN105673611A (en) * | 2016-04-19 | 2016-06-15 | 北京航天发射技术研究所 | Double-action multistage anti-rotation hydraulic cylinder |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738732A (en) * | 2021-08-16 | 2021-12-03 | 中国长江电力股份有限公司 | Multidirectional variable mass center three-level elastic damping vibration suppression device for hydraulic cylinder of gate hoist |
| CN113738732B (en) * | 2021-08-16 | 2023-05-16 | 中国长江电力股份有限公司 | Multidirectional variable-quality core three-stage elastic damping vibration suppression device for hydraulic cylinder of gate hoist |
| CN117605733A (en) * | 2024-01-22 | 2024-02-27 | 张家口长城液压油缸有限公司 | Multistage telescopic erection hydraulic cylinder with core pipe structure |
| CN117605733B (en) * | 2024-01-22 | 2024-03-19 | 张家口长城液压油缸有限公司 | Multistage telescopic erection hydraulic cylinder with core pipe structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107387492B (en) | 2019-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107387492A (en) | A kind of multistage perpendicular hydraulic cylinder and its way to play for time | |
| CN206656070U (en) | A kind of pipeline of hydraulic engineering | |
| CN101818781B (en) | Built-in bar-type magneto-rheological damper | |
| CN107228150A (en) | A kind of damper with two-way pressure limiting piston | |
| CN109595855A (en) | A kind of the noise reduction connector and refrigerating plant of capillary and evaporator | |
| CN204284293U (en) | A kind of adjustable damper valve and hydro pneumatic suspension | |
| CN201152334Y (en) | Gas spring with damping effect | |
| CN204113991U (en) | Liquid and gas damper | |
| CN104214264A (en) | Damping/stiffness-adjustable hydraulic damper of multidimensional vibration damping platform | |
| CN206352633U (en) | Rate-sensitive type shock absorber | |
| CN109083967B (en) | Spiral gas inerter | |
| CN201121618Y (en) | Normal and inverse cavity throttling buffering multilevel hydraulic cylinder | |
| CN102996570B (en) | Single-action double-graded hydraulic cylinder and engineering machine | |
| CN105156554B (en) | Low-bubble spiral flow channel damping suspension shock absorber | |
| CN203488618U (en) | Damper | |
| CN203797315U (en) | Improved structure of oil injecting nozzle of oil injecting machine | |
| CN106762944A (en) | A kind of damping oil cylinder | |
| CN107606035A (en) | A kind of intelligent Effects of Viscous Fluid Damper | |
| CN209129963U (en) | Oil cylinder with floating buffer structure | |
| CN207879963U (en) | Low noise throttle valve on oil-pressure damper | |
| CN207598609U (en) | Control valve | |
| CN207049243U (en) | A kind of damper with two-way pressure limiting piston | |
| CN205078545U (en) | Bounce cylinder | |
| CN206054607U (en) | For weakening the vehicle of the equipment and rail guiding of pressure | |
| CN207246588U (en) | A kind of process pipe |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |