CN103335053A - Three-stage buffer suitable for controlling buffer sequence step by step - Google Patents

Three-stage buffer suitable for controlling buffer sequence step by step Download PDF

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Publication number
CN103335053A
CN103335053A CN2013102562846A CN201310256284A CN103335053A CN 103335053 A CN103335053 A CN 103335053A CN 2013102562846 A CN2013102562846 A CN 2013102562846A CN 201310256284 A CN201310256284 A CN 201310256284A CN 103335053 A CN103335053 A CN 103335053A
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Prior art keywords
buffer
piston
piston body
cylinder body
stage buffer
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CN2013102562846A
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Chinese (zh)
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CN103335053B (en
Inventor
吴正明
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Qidong Luoyuan PV Equipment Co.,Ltd.
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蒋春花
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Priority to CN201510655137.5A priority Critical patent/CN105276061A/en
Priority to CN201510654452.6A priority patent/CN105257764A/en
Priority to CN201510654742.0A priority patent/CN105257766A/en
Priority to CN201510654743.5A priority patent/CN105276062A/en
Priority to CN201310256284.6A priority patent/CN103335053B/en
Priority to CN201510654600.4A priority patent/CN105257765A/en
Publication of CN103335053A publication Critical patent/CN103335053A/en
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Abstract

The invention relates to a three-stage buffer suitable for controlling the buffer sequence step by step. The three-stage buffer comprises a first-stage buffer, an intermediate-stage buffer and a last-stage buffer; the first-stage buffer, the intermediate-stage buffer and the last-stage buffer respectively comprise a cylinder body which is in a cylindrical shape and is used for filling buffer medium, an opening end of the cylinder body is provided with a cylinder cover in a sealing way, a center through hole of the cylinder cover is internally and movably matched with a piston rod in the sealing way, the right end of the piston rod is provided with a piston body assembly, the piston body assembly is suitable for doing piston motion in the cylinder body, and the piston body assembly is in movable sealing match with the inner wall of the cylinder body; the piston rod of the intermediate-stage buffer is formed by the cylinder body of the first-stage buffer, and the piston rod of the last-stage buffer is formed by the cylinder body of the intermediate-stage buffer; the right end surface of the piston body assembly of the first-stage buffer is provided with a pressure sensor which is used for detecting medium pressure; and the piston body assembly of each buffer is suitable for regulating the back-and-forth flow of the medium in the corresponding cylinder body according to the medium pressure detected by the pressure sensor when the piston body assembly does the piston motion, and thus the motion speed of each piston can be controlled.

Description

A kind of three grades of buffers that are suitable for controlling step by step the buffering order
Technical field
The present invention relates to a kind of buffer, relating in particular to a kind of is the buffer of buffer medium with the elastic gel.
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.
Grant number CN 202149175 discloses a kind of buffer, it is the two-stage buffer, different with initial minimum force F2cmin by the medium maximum, force F1max in chopped-off head buffer, secondary buffer, with the sequence of operation of control chopped-off head buffer, secondary buffer; And in specification, mention, set the capacity of whole buffer according to impact energy, still, in practical work, because impact energy can be inconstant, might occur changing, so rely on the medium difference to realize the job order of buffers at different levels, be difficult in practice realize.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of three grades of buffers that are suitable for controlling step by step the buffering order, and these three grades of buffers have solved the variation owing to impact energy, and relies on the difference of medium, is difficult to limit the technical problem of buffer job orders at different levels.
The invention provides a kind of three grades of buffers that are suitable for controlling step by step the buffering order, comprising: chopped-off head buffer, intergrade buffer and final stage buffer; Described chopped-off head buffer, intergrade 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, the cylinder body of described intergrade buffer constitutes the piston rod of described final stage buffer, and is equipped with the cushion pad for the buffer sliding block bump on the cylinder body right side of this final stage buffer; The right side of the piston body assembly of described intergrade buffer is provided with the pressure transducer for detection of pressure medium, and this pressure transducer links to each other with a processor module; The piston body assembly of buffers at different levels is suitable for when doing the piston motion, and described processor module is regulated the past regurgitation volume of medium in the corresponding cylinder body, with the speed of control piston motion according to the detected pressure medium of described pressure transducer.
Further, described piston body assembly comprises: described piston body assembly comprises: the left and right piston body of arranged in co-axial alignment, 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.
Described cushion pad is that rubber material is made, and is distributed with the wire gaze parallel with the end face of described cushion pad in the cushion pad, to prevent that rubber material takes place aging, cracked after repeatedly colliding.
Compared with prior art, the present invention has following advantage: (1) 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 at high pressure conditions, cause damage easily; (2) 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; (3) 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;
The control circuit block diagram of Fig. 5 three grades of buffers 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 cushion pad, 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, 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 three grades of buffers that are suitable for controlling step by step the buffering order comprise: chopped-off head buffer 1, intergrade buffer 2 and final stage buffer 3; Described chopped-off head buffer 1, intergrade buffer, 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, the cylinder body 4 of described intergrade buffer 2 constitutes the piston rod 6-2 of described final stage buffer 3, and is equipped with the cushion pad 4-1 for the buffer sliding block bump on cylinder body 4 right sides of this final stage buffer 3; The right side of the piston body assembly of described intergrade buffer 2 is provided with the pressure transducer 9 for detection of pressure medium, and this pressure transducer links to each other with a processor module; The piston body assembly 7 of buffers at different levels is suitable for when piston moves, and described processor module is regulated the past regurgitation volume of medium in the corresponding cylinder body 4, with the speed of control piston motion according to described pressure transducer 9 detected pressure mediums.
Urceolus 8 inside bottom (as being its right end face among the figure) are fixed in piston rod 6 bottoms of described chopped-off head buffer 1.
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 and right piston body 7-2 of arranged in co-axial alignment, 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 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, also can be understood as coaxial deflection respective angles, controlling 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.
The dotted line through hole represents it is through hole 7-3 among the left piston body 7-1 among Fig. 4, the solid line through hole is represented the through hole among the right piston body 7-2, arrow is represented motor 7-4 sense of rotation, and this Fig. 4 is illustrated in respective through hole docking operation on the fitting surface of left and right piston body, with the 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, 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 can also control arbitrary grade of buffer takes turns to operate, all the other buffers can quit work, and effectively avoid continuous firing to produce higher temperature, influence the buffer life-span.
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, and pressure transducer 9 for example can adopt the gloomy P499VBS-404C in river.
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.
In order accurately to reach the control purpose, described processor module can adopt single-chip microcomputer, embedded control chip, the pressure signal that described pressure transducer 9 obtains, accurately control each motor 7-4 deflection angle in the buffers at different levels by processor module, to control piston body assembly 7 medium flows at different levels, regulate each cylinder body medium pressure.Described processor module can be put into described left piston body or right piston body.Connecting line between described pressure transducer 9, motor 7-4, the control chip can be placed in the cylinder wall 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 (3)

1. three grades of buffers that are suitable for controlling step by step the buffering order is characterized in that comprising: chopped-off head buffer, intergrade buffer and final stage buffer;
Described chopped-off head buffer, intergrade 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, the cylinder body of described intergrade buffer constitutes the piston rod of described final stage buffer, and is equipped with the cushion pad for the buffer sliding block bump on the cylinder body right side of this final stage buffer;
The right side of the piston body assembly of described intergrade buffer is provided with the pressure transducer for detection of pressure medium, and this pressure transducer links to each other with a processor module;
The piston body assembly of buffers at different levels is suitable for when doing the piston motion, and described processor module is regulated the past regurgitation volume of medium in the corresponding cylinder body, with the speed of control piston motion according to the detected pressure medium of described pressure transducer.
2. three grades of buffers according to claim 1, it is characterized in that, described piston body assembly comprises: the left and right piston body of arranged in co-axial alignment, 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.
3. the method for work of three grades of buffers according to claim 1 and 2 is characterized in that,
Described cushion pad is that rubber material is made, and is distributed with the wire gaze parallel with the end face of described cushion pad in the cushion pad.
CN201310256284.6A 2013-06-25 2013-06-25 A kind of three grades of buffers being suitable for gradual control buffering order Active CN103335053B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN201510655137.5A CN105276061A (en) 2013-06-25 2013-06-25 Three-level buffer with buffer sequence controlled by processor
CN201510654452.6A CN105257764A (en) 2013-06-25 2013-06-25 Three-stage buffer with processor controlling buffering sequence
CN201510654742.0A CN105257766A (en) 2013-06-25 2013-06-25 Three-stage buffer with processor module controlling buffering sequence stage by stage
CN201510654743.5A CN105276062A (en) 2013-06-25 2013-06-25 Three-level buffer controlled by processor module and suitable for controlling buffer sequence level by level
CN201310256284.6A CN103335053B (en) 2013-06-25 2013-06-25 A kind of three grades of buffers being suitable for gradual control buffering order
CN201510654600.4A CN105257765A (en) 2013-06-25 2013-06-25 Three-stage buffer with processor module controlling buffering sequence stage by stage

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CN201310256284.6A CN103335053B (en) 2013-06-25 2013-06-25 A kind of three grades of buffers being suitable for gradual control buffering order

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CN201510654600.4A Division CN105257765A (en) 2013-06-25 2013-06-25 Three-stage buffer with processor module controlling buffering sequence stage by stage
CN201510654742.0A Division CN105257766A (en) 2013-06-25 2013-06-25 Three-stage buffer with processor module controlling buffering sequence stage by stage
CN201510654452.6A Division CN105257764A (en) 2013-06-25 2013-06-25 Three-stage buffer with processor controlling buffering sequence
CN201510654743.5A Division CN105276062A (en) 2013-06-25 2013-06-25 Three-level buffer controlled by processor module and suitable for controlling buffer sequence level by level
CN201510655137.5A Division CN105276061A (en) 2013-06-25 2013-06-25 Three-level buffer with buffer sequence controlled by processor

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CN201310256284.6A Active CN103335053B (en) 2013-06-25 2013-06-25 A kind of three grades of buffers being suitable for gradual control buffering order
CN201510654452.6A Withdrawn CN105257764A (en) 2013-06-25 2013-06-25 Three-stage buffer with processor controlling buffering sequence
CN201510654600.4A Withdrawn CN105257765A (en) 2013-06-25 2013-06-25 Three-stage buffer with processor module controlling buffering sequence stage by stage
CN201510655137.5A Withdrawn CN105276061A (en) 2013-06-25 2013-06-25 Three-level buffer with buffer sequence controlled by processor
CN201510654742.0A Withdrawn CN105257766A (en) 2013-06-25 2013-06-25 Three-stage buffer with processor module controlling buffering sequence stage by stage

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CN201510655137.5A Withdrawn CN105276061A (en) 2013-06-25 2013-06-25 Three-level buffer with buffer sequence controlled by processor
CN201510654742.0A Withdrawn CN105257766A (en) 2013-06-25 2013-06-25 Three-stage buffer with processor module controlling buffering sequence stage by stage

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CN108730397A (en) * 2018-06-26 2018-11-02 海南大学 A kind of air spring additional air chamber of variable volume
CN110733528B (en) * 2019-12-04 2021-01-05 北京强度环境研究所 Elastic daub buffering device for motor train unit

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3215614A1 (en) * 1982-04-27 1983-02-03 Anna Dorothea 8000 München Sapunarow-Ryffel Hydraulic single-tube shock absorber with damping control
EP1232884A2 (en) * 2001-02-16 2002-08-21 Trw Inc. Anti-roll bar with link actuator for controlling torsional rigidity
CN1441164A (en) * 2002-02-28 2003-09-10 太平洋工业株式会社 Compressor control valve and its producing method
CN101094998A (en) * 2003-11-05 2007-12-26 瀚销售有限公司 Fluid damper
CN202149175U (en) * 2011-06-30 2012-02-22 北京金自天和缓冲技术有限公司 Buffer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3215614A1 (en) * 1982-04-27 1983-02-03 Anna Dorothea 8000 München Sapunarow-Ryffel Hydraulic single-tube shock absorber with damping control
EP1232884A2 (en) * 2001-02-16 2002-08-21 Trw Inc. Anti-roll bar with link actuator for controlling torsional rigidity
CN1441164A (en) * 2002-02-28 2003-09-10 太平洋工业株式会社 Compressor control valve and its producing method
CN101094998A (en) * 2003-11-05 2007-12-26 瀚销售有限公司 Fluid damper
CN202149175U (en) * 2011-06-30 2012-02-22 北京金自天和缓冲技术有限公司 Buffer

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CN105276061A (en) 2016-01-27
CN105276062A (en) 2016-01-27
CN105257764A (en) 2016-01-20
CN105257765A (en) 2016-01-20
CN105257766A (en) 2016-01-20
CN103335053B (en) 2015-12-23

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