CN103291804A - Multi-stage buffer capable of automatically regulating buffering stage number - Google Patents
Multi-stage buffer capable of automatically regulating buffering stage number Download PDFInfo
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- CN103291804A CN103291804A CN2013102559504A CN201310255950A CN103291804A CN 103291804 A CN103291804 A CN 103291804A CN 2013102559504 A CN2013102559504 A CN 2013102559504A CN 201310255950 A CN201310255950 A CN 201310255950A CN 103291804 A CN103291804 A CN 103291804A
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- buffer
- piston body
- piston
- stage buffer
- cylinder body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/22—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with one or more cylinders each having a single working space closed by a piston or plunger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
- F16F9/5123—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity responsive to the static or steady-state load on the damper
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Actuator (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention relates to a multi-stage buffer capable of automatically regulating buffering stage number. When buffering work is performed, the right end face of a cylinder block of a last-stage buffer serves as a contact face where the multi-stage buffer collides with a slider; electromagnetic coils are wound on the side wall of the cylinder block of the last-stage buffer; a pressure sensor used for detecting medium pressure is arranged on the right end face of a piston body assembly of the last-stage buffer, and the pressure sensor is connected with a processor module; when the slider impacts the right end face of the cylinder block, the processor module is suitable for controlling a current driving module according to a medium pressure value to output a current matched with the medium pressure value, and the electromagnetic coils are made to generate a corresponding magnetic field to attract the slider. A processor regulates or closes medium back-and-forth flow in the corresponding cylinder block according to the medium pressure detected by the pressure sensor to control moving speed and the buffering stage number of the piston body assembly of each stage buffer when the piston body assembly of each stage buffer makes piston motion.
Description
Technical field
The present invention relates to a kind of buffer, relate in particular to a kind of multi-stage buffer of automatic adjusting buffering progression.
Background technique
In the bumper and absorbing shock field, buffer uses very extensive, and it mainly acts on is to absorb various impact energys, protection equipment and reduce noise etc.
But slide block is when cushion at collision, because impact energy is excessive, piston has little time work in the buffer, causes the slide block phenomenon that has a rebound, and how can regulate buffering progression automatically is the technical barrier of related domain.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of multi-stage buffer of automatic adjusting buffering progression, and this buffer is suitable at slide block regulating the buffering progression of multi-stage buffer automatically, with the slide block in the steady kicking motion during at shock eliminator.
The invention provides a kind of multi-stage buffer of automatic adjusting buffering progression, comprising: described multi-stage buffer is three grades of buffers, comprising: chopped-off head buffer, intergrade buffer and final stage buffer; Described chopped-off head buffer, intermediate buffer, final stage buffer comprise respectively: cylindrical, and be used for filling the cylinder body of buffer medium, opening end sealing at this cylinder body is provided with cylinder cap, the sealing activity is combined with a piston rod in the central through bore of described cylinder cap, the right-hand member of this piston rod is provided with the piston body assembly, this piston body assembly is suitable for doing the piston motion in described cylinder body, and cooperates with the inwall movable sealing of described cylinder body; Wherein, the cylinder body of described chopped-off head buffer constitutes the piston rod of described intergrade buffer, and the cylinder body of described intergrade buffer constitutes the piston rod of described final stage buffer; When buffering work, the surface of contact that the conduct of cylinder body right side and the slide block of described final stage buffer collides; Be arranged with electromagnetic coil in the sidewall of the cylinder body of described final stage buffer; The right side of the piston body assembly of described final stage buffer is provided with the pressure transducer for detection of pressure medium, and this pressure transducer links to each other with a processor module; When described slide block clashes into the right side of described cylinder body, described processor module is suitable for according to the pressure medium value, control current drives module output and the electric current that this pressure medium value is complementary, make described electromagnetic coil produce corresponding magnetic field, with the described slide block of adhesive; When described processor module records the pressure medium value and is equilibrium value, control described current drives module and close output current, described magnetic field is disappeared, to discharge described slide block; Wherein, the piston body assembly of buffers at different levels is suitable for when doing the piston motion, described processor regulates or cuts out the past regurgitation volume of medium in the corresponding cylinder body, with control piston body assembly movement velocity or buffering progression according to the detected pressure medium of described pressure transducer.
Further, described piston body assembly comprises: the left and right piston body of coaxial setting, be arranged with the through hole that several are used for the medium axial flow on this left and right piston body, being sealed and matched between the adjacent face of left and right piston body, so that do piston when motion, medium is only realized coming and going by each through hole on the described left and right piston body and is flowed; Be provided with in the described left piston body for the cavity of placing motor, this motor is controlled by described processor module, its rotor is connected in described right piston body, be used for driving this right side piston body rotation according to pressure medium, to control the relative position relation of each through hole on the left and right piston body, and then control media flow, i.e. control piston movement velocity.
Compared with prior art, the present invention has following advantage: (1) the present invention produces the magnetic field that is complementary with surge pressure with the adhesive slide block by processor, current drives module, and anti-limited slip block causes bounce-back because impact energy is excessive; (2) the present invention has overcome in the prior art because the impact energy fluctuation, and cause the technical problem that multi-stage buffer can't co-ordination, the present invention detects impact energy by pressure transducer, and the medium of suitable adjusting buffers at different levels is toward regurgitation volume, to control the movement velocity of each piston body assembly, make buffer co-ordinations at different levels, avoided certain one-level buffer that may occur because impact energy is excessive, all the other buffers have little time compression, and cause the long-term work of this grade buffer under high pressure conditions, cause damage easily; (3) cooperate by each through hole in the left and right piston body, controlling medium in the corresponding cylinder body toward regurgitation volume, thereby change the shuttle speed of respective pistons, to alleviate the cavity pressure of cylinder bodies at different levels, prolong the buffer life-span; (4) these three grades of buffers need not to consider the medium difference, and the application place is extensive, need not to regulate in addition the buffer job order.
Description of drawings
Content of the present invention is easier clearly to be understood in order to make, below the specific embodiment and by reference to the accompanying drawings of basis, the present invention is further detailed explanation, wherein
The structural representation one of Fig. 1 three grades of buffers of the present invention;
The structural representation two of Fig. 2 three grades of buffers of the present invention;
The structural representation of the piston body assembly in Fig. 3 three grades of buffers of the present invention;
The work schematic representation of Fig. 4 piston body assembly of the present invention;
Fig. 5 control circuit structured flowchart of the present invention.
Wherein, the piston rod of the piston rod of the piston rod of 1 chopped-off head buffer, 2 intergrade buffers, 3 final stage buffers, 4 cylinder bodies, 4-1 electromagnetic coil, 5 cylinder caps, 6 chopped-off head buffers, 6-1 intergrade buffer, 6-2 final stage buffer, 7 piston body assemblies, 8 urceolus, 9 pressure transducers, 10 slide blocks, 7-1 left piston body, the right piston body of 7-2,7-3 through hole, 7-4 motor, 7-5 rotor.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
See Fig. 1, Fig. 2 and Fig. 5, a kind of multi-stage buffer of automatic adjusting buffering progression, comprising: described multi-stage buffer is three grades of buffers, comprising: chopped-off head buffer 1, intergrade buffer 2 and final stage buffer 3; Described chopped-off head buffer 1, intermediate buffer 2, final stage buffer 3 comprise respectively: cylindrical, and be used for filling the cylinder body 4 of buffer medium, opening end sealing at this cylinder body 4 is provided with cylinder cap 5, the sealing activity is combined with a piston rod 6 in the central through bore of described cylinder cap 5, the right-hand member of this piston rod 6 is provided with piston body assembly 7, this piston body assembly 7 is suitable for doing the piston motion in described cylinder body 4, and cooperates with the inwall movable sealing of described cylinder body 4; Wherein, the cylinder body 4 of described chopped-off head buffer 1 constitutes the piston rod 6-1 of described intergrade buffer 2, and the cylinder body 4 of described intergrade buffer 2 constitutes the piston rod 6-2 of described final stage buffer 3; When buffering work, the surface of contact that the conduct of cylinder body 4 right sides and the slide block 10 of described final stage buffer 3 collides; Be arranged with electromagnetic coil 4-1 in the sidewall of the cylinder body 4 of described final stage buffer 3; The right side of the piston body assembly 7 of described final stage buffer 3 is provided with the pressure transducer 9 for detection of pressure medium, and this pressure transducer links to each other with a processor module; When described slide block 10 clashes into the right side of described cylinder body, described processor module is suitable for according to the pressure medium value, control current drives module output and the electric current that this pressure medium value is complementary, make described electromagnetic coil 4-1 produce corresponding magnetic field, with the described slide block 10 of adhesive; When described processor module records the pressure medium value and is equilibrium value, control described current drives module and close output current, described magnetic field is disappeared, to discharge described slide block 10; Wherein, the piston body assembly 7 of buffers at different levels is suitable for when doing the piston motion, described processor regulates or cuts out the past regurgitation volume of medium in the corresponding cylinder body 4 according to described pressure transducer 9 detected pressure mediums, with speed or the buffering progression of control piston body assembly 7 motions.
The left side of urceolus 8 is fixed in piston rod 6 bottoms of described chopped-off head buffer 1.
When described slide block 10 clashes into the right side of described cylinder body 4, described cylinder body 4 is moved to the left, piston body assembly 7 moves right with respect to described cylinder body 4, the right side buffer medium is subjected to big pressure in the cylinder body 4, when buffer medium flows toward piston body assembly 7 left sides, the pressure that the right side buffer medium is subjected in the cylinder body 4 reduces gradually, equate until the left and right sides of described piston body assembly 7 pressure medium, be that described pressure medium value is when being equilibrium value (being the hydraulic pressure value of the left and right sides of piston body assembly 4 force value when equating), when piston body assembly 7 quit work, slide block 10 also stopped mobile.
Wherein, described processor module adopts single-chip microcomputer, embedded-type ARM module; Pressure transducer 9 for example can adopt the gloomy P499VBS-404C in river; Described current drives module can adopt the alternating current (a.c.) output unit.
F represents the pressure direction that three grades of buffers are subjected to, and F1, F2, F3 represent the moving direction of piston in the buffers at different levels.
See Fig. 3 and Fig. 4, described piston body assembly 7 comprises: the left piston body 7-1 of coaxial setting, right piston body 7-2, be arranged with the through hole 7-3 that several are used for the medium axial flow on this left piston body 7-1, the right piston body 7-2, being sealed and matched between the adjacent face of described left and right piston body, so that do piston when motion, medium is only realized coming and going by each the through hole 7-3 on the described left and right piston body and is flowed; Be provided with in the described left piston body 7-1 for the cavity of placing motor 7-4, this motor 7-4 is controlled by described processor module, its rotor 7-5 is connected in described right piston body 7-2, be used for driving this right side piston body 7-2 rotation according to pressure medium, to control the relative position relation of each the through hole 7-3 on the left and right piston body, and then control media flow, i.e. control piston movement velocity.
Dotted line through hole 7-3 represents it is through hole 7-3 among the left piston body 7-1 among Fig. 4, solid line through hole 7-3 represents the through hole 7-3 among the right piston body 7-2, arrow is represented motor 7-4 sense of rotation, this Fig. 3 is illustrated in respective through hole 7-3 docking operation on the fitting surface of left and right piston body 7-2, with the rate-of flow in the control through hole.
Described right piston body 7-2 is with respect to the coaxial deflection of right piston body 7-2; its slewing area is no more than the diameter of through hole 7-3; also can be called deflection angle; be that motor 7-4 drives right piston body 7-2 in this diameter range according to pressure medium; do to come and go and rotate; to reach the purpose of control media flow; thereby play the piston movement speed of control respective pistons body assembly 7; and then pressure mediums in the alleviation cylinder body 4; play the purpose that prolongs the buffer life-span, and each buffer can take turns to operate, under non-stop-machine prerequisite; allow the higher buffer of temperature obtain cooling, prolonged working life.
Described motor 7-4 can adopt the high direct current generator 7-4 of precision, perhaps stepper motor 7-4.Power pack can adopt powered battery.Battery can be installed in a left side or the right piston body 7-2.
See Fig. 4, if described through hole 7-3 is how individual, its distribution can be concentric circle with left and right piston body 7-2 and distribute.The signal data line can be placed in cylinder body 4 walls of buffers at different levels, perhaps directly places medium.
Obviously, above-described embodiment only is for example of the present invention clearly is described, and is not to be restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all mode of executions exhaustive.And these belong to apparent variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (2)
1. regulate the multi-stage buffer that cushions progression automatically for one kind, it is characterized in that comprising: described multi-stage buffer is three grades of buffers, comprising: chopped-off head buffer, intergrade buffer and final stage buffer;
Described chopped-off head buffer, intermediate buffer, final stage buffer comprise respectively:
Cylindrical, and be used for filling the cylinder body of buffer medium, opening end sealing at this cylinder body is provided with cylinder cap, the sealing activity is combined with a piston rod in the central through bore of described cylinder cap, the right-hand member of this piston rod is provided with the piston body assembly, this piston body assembly is suitable for doing the piston motion in described cylinder body, and cooperates with the inwall movable sealing of described cylinder body;
Wherein, the cylinder body of described chopped-off head buffer constitutes the piston rod of described intergrade buffer, and the cylinder body of described intergrade buffer constitutes the piston rod of described final stage buffer;
When buffering work, the surface of contact that the conduct of cylinder body right side and the slide block of described final stage buffer collides;
Be arranged with electromagnetic coil in the sidewall of the cylinder body of described final stage buffer;
The right side of the piston body assembly of described final stage buffer is provided with the pressure transducer for detection of pressure medium, and this pressure transducer links to each other with a processor module;
When described slide block clashes into the right side of described cylinder body, described processor module is suitable for according to the pressure medium value, control current drives module output and the electric current that this pressure medium value is complementary, make described electromagnetic coil produce corresponding magnetic field, with the described slide block of adhesive; When described processor module records the pressure medium value and is equilibrium value, control described current drives module and close output current, described magnetic field is disappeared, to discharge described slide block;
Wherein, the piston body assembly of buffers at different levels is suitable for when doing the piston motion, described processor regulates or cuts out the past regurgitation volume of medium in the corresponding cylinder body, with control piston body assembly movement velocity or buffering progression according to the detected pressure medium of described pressure transducer.
2. multi-stage buffer according to claim 1, it is characterized in that, described piston body assembly comprises: the left and right piston body of coaxial setting, be arranged with the through hole that several are used for the medium axial flow on this left and right piston body, being sealed and matched between the adjacent face of left and right piston body, so that do piston when motion, medium is only realized coming and going by each through hole on the described left and right piston body and is flowed;
Be provided with in the described left piston body for the cavity of placing motor, this motor is controlled by described processor module, its rotor is connected in described right piston body, be used for driving this right side piston body rotation according to pressure medium, to control the relative position relation of each through hole on the left and right piston body, and then control media flow, i.e. control piston movement velocity.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310255950.4A CN103291804B (en) | 2013-06-25 | 2013-06-25 | A kind of multi-stage buffer of automatic adjustment buffering progression |
| CN201510475421.4A CN105090331A (en) | 2013-06-25 | 2013-06-25 | Work method of multiple stages of buffers controlled by processor module |
| CN201510473925.2A CN105114518A (en) | 2013-06-25 | 2013-06-25 | Operating method of multi-stage buffer |
| CN201510474384.5A CN105114510A (en) | 2013-06-25 | 2013-06-25 | Working method for multi-stage buffer controlled by processor module |
| CN201510474385.XA CN105114519A (en) | 2013-06-25 | 2013-06-25 | Buffer controlled by processor module |
| CN201510472479.3A CN105065536A (en) | 2013-06-25 | 2013-06-25 | Working method of buffers controlled by processor module |
| CN201510475285.9A CN105065537A (en) | 2013-06-25 | 2013-06-25 | Processor-module-controlled multi-stage buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310255950.4A CN103291804B (en) | 2013-06-25 | 2013-06-25 | A kind of multi-stage buffer of automatic adjustment buffering progression |
Related Child Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510474384.5A Division CN105114510A (en) | 2013-06-25 | 2013-06-25 | Working method for multi-stage buffer controlled by processor module |
| CN201510474385.XA Division CN105114519A (en) | 2013-06-25 | 2013-06-25 | Buffer controlled by processor module |
| CN201510472479.3A Division CN105065536A (en) | 2013-06-25 | 2013-06-25 | Working method of buffers controlled by processor module |
| CN201510475285.9A Division CN105065537A (en) | 2013-06-25 | 2013-06-25 | Processor-module-controlled multi-stage buffer |
| CN201510475421.4A Division CN105090331A (en) | 2013-06-25 | 2013-06-25 | Work method of multiple stages of buffers controlled by processor module |
| CN201510473925.2A Division CN105114518A (en) | 2013-06-25 | 2013-06-25 | Operating method of multi-stage buffer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103291804A true CN103291804A (en) | 2013-09-11 |
| CN103291804B CN103291804B (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510475421.4A Pending CN105090331A (en) | 2013-06-25 | 2013-06-25 | Work method of multiple stages of buffers controlled by processor module |
| CN201510472479.3A Pending CN105065536A (en) | 2013-06-25 | 2013-06-25 | Working method of buffers controlled by processor module |
| CN201310255950.4A Active CN103291804B (en) | 2013-06-25 | 2013-06-25 | A kind of multi-stage buffer of automatic adjustment buffering progression |
| CN201510474384.5A Pending CN105114510A (en) | 2013-06-25 | 2013-06-25 | Working method for multi-stage buffer controlled by processor module |
| CN201510473925.2A Pending CN105114518A (en) | 2013-06-25 | 2013-06-25 | Operating method of multi-stage buffer |
| CN201510475285.9A Pending CN105065537A (en) | 2013-06-25 | 2013-06-25 | Processor-module-controlled multi-stage buffer |
| CN201510474385.XA Pending CN105114519A (en) | 2013-06-25 | 2013-06-25 | Buffer controlled by processor module |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510475421.4A Pending CN105090331A (en) | 2013-06-25 | 2013-06-25 | Work method of multiple stages of buffers controlled by processor module |
| CN201510472479.3A Pending CN105065536A (en) | 2013-06-25 | 2013-06-25 | Working method of buffers controlled by processor module |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510474384.5A Pending CN105114510A (en) | 2013-06-25 | 2013-06-25 | Working method for multi-stage buffer controlled by processor module |
| CN201510473925.2A Pending CN105114518A (en) | 2013-06-25 | 2013-06-25 | Operating method of multi-stage buffer |
| CN201510475285.9A Pending CN105065537A (en) | 2013-06-25 | 2013-06-25 | Processor-module-controlled multi-stage buffer |
| CN201510474385.XA Pending CN105114519A (en) | 2013-06-25 | 2013-06-25 | Buffer controlled by processor module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455172A (en) * | 2014-12-15 | 2015-03-25 | 湖南科技大学 | Multistage pressure-limiting adjusting hydraulic buffer |
| CN104675901A (en) * | 2013-12-02 | 2015-06-03 | 上海交通大学 | Gas rapid returning multi-stage hydraulic buffer |
| CN105114518A (en) * | 2013-06-25 | 2015-12-02 | 蒋盘君 | Operating method of multi-stage buffer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115876047B (en) * | 2023-02-20 | 2023-09-29 | 烟台怡和汽车科技有限公司 | Detection device for automobile oil tank |
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- 2013-06-25 CN CN201510475421.4A patent/CN105090331A/en active Pending
- 2013-06-25 CN CN201510472479.3A patent/CN105065536A/en active Pending
- 2013-06-25 CN CN201310255950.4A patent/CN103291804B/en active Active
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| CN105114518A (en) * | 2013-06-25 | 2015-12-02 | 蒋盘君 | Operating method of multi-stage buffer |
| CN104675901A (en) * | 2013-12-02 | 2015-06-03 | 上海交通大学 | Gas rapid returning multi-stage hydraulic buffer |
| CN104455172A (en) * | 2014-12-15 | 2015-03-25 | 湖南科技大学 | Multistage pressure-limiting adjusting hydraulic buffer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105114519A (en) | 2015-12-02 |
| CN105114510A (en) | 2015-12-02 |
| CN105114518A (en) | 2015-12-02 |
| CN105090331A (en) | 2015-11-25 |
| CN105065537A (en) | 2015-11-18 |
| CN103291804B (en) | 2015-08-26 |
| CN105065536A (en) | 2015-11-18 |
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