CN107091292A - A kind of damping device for being used to forge - Google Patents

A kind of damping device for being used to forge Download PDF

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Publication number
CN107091292A
CN107091292A CN201710475790.2A CN201710475790A CN107091292A CN 107091292 A CN107091292 A CN 107091292A CN 201710475790 A CN201710475790 A CN 201710475790A CN 107091292 A CN107091292 A CN 107091292A
Authority
CN
China
Prior art keywords
vibration damper
damper plate
supporting column
supporting rod
upper supporting
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.)
Pending
Application number
CN201710475790.2A
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Chinese (zh)
Inventor
黄韬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Ruifeng Forging Co Ltd
Original Assignee
Sichuan Ruifeng Forging Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sichuan Ruifeng Forging Co Ltd filed Critical Sichuan Ruifeng Forging Co Ltd
Priority to CN201710475790.2A priority Critical patent/CN107091292A/en
Publication of CN107091292A publication Critical patent/CN107091292A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00Vibration-dampers; Shock-absorbers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2230/00Purpose; Design features
    • F16F2230/0047Measuring, indicating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2230/00Purpose; Design features
    • F16F2230/08Sensor arrangement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2230/00Purpose; Design features
    • F16F2230/24Detecting or preventing malfunction, e.g. fail safe

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention discloses a kind of damping device for being used to forge, belong to technical field of forging and pressing equipment, its object is to provide a kind of damping device for being used to forge using different shock-damping structures, it is ensured that the normal of damping device is used.It is included in the groove that ground is excavated, around groove concrete layer is provided with bottom surface, it is sequentially provided with hard rubber pad, lower supporting rod and upper supporting column from the bottom up in groove, enclosure wall is provided with the outer periphery of upper supporting column and lower supporting rod, filled with sandstone layer between the outer layer and recess sidewall of enclosure wall;Multigroup shock-damping structure is provided between upper supporting column and lower supporting rod, the shock-damping structure includes main vibration damper plate, the two ends of main vibration damper plate are connected with upper supporting column, lower supporting rod respectively, and secondary vibration damper plate is also associated with main vibration damper plate, and the other end of secondary vibration damper plate is connected with upper supporting column or lower supporting rod.The present invention is applied to forging equipment.

Description

A kind of damping device for being used to forge
Technical field
The invention belongs to technical field of forging and pressing equipment, it is related to a kind of damping device of forging equipment.
Background technology
Forging is that one kind applies pressure using metal forming machinery to metal stock, makes it produce plastic deformation to obtain with one Determine the processing method of mechanical performance, definite shape and size forging, be one of the two big parts of forging and stamping (forging and punching press). The defects such as cast condition that metal produces in smelting process is loose can be eliminated by forging, optimize heterogeneous microstructure, simultaneously because Complete metal streamline is saved, the mechanical performance of forging generally to be preferred over the casting of same material.High, work is loaded in associated mechanical Make the severe strength member of condition, in addition to sheet material, section bar or the weldment of the better simply available rolling of shape, use forging more.
In the prior art, because forging is to utilize to make metal stock application pressure metal embryo material to produce deformation, thus During forging and stamping, generally it is accomplished by the damping device of auxiliary to buffer the pressure that metal forming machinery applies embryo material.At present, each machine The vibration glissando that tool forging industry is used is to excavate ground, with certain basis such as cement, concrete, then will be forged and pressed Equipment is fixed in the above, and although such shock-dampening method has certain effect, but these measures all can not fundamentally make by force Vibration nuisance is effectively administered.
The patent of invention of Application No. 201020682968.4 discloses a kind of shock-damping structure of forging equipment, the damping Structure is to dig fluted on ground, with bottom surface is concrete layer around groove, at the center of groove provided with upper supporting column and lower branch Post, is provided with enclosure wall around upper supporting column and lower supporting rod, provided with the spring fixed with push rod between upper supporting column and lower supporting rod, and Machine oil is housed between upper supporting column and lower supporting rod, the liquid level of machine oil is parallel with the top surface of upper prop, be lined with below lower supporting rod hard Rubber blanket, forging equipment is fixed on above upper supporting column;Filled with sandstone layer between the outer layer and recess sidewall of enclosure wall.Should Structure can effectively eliminate the vibration of forging machinery generation.The shock-damping structure is the bullet by being set between upper supporting column and lower supporting rod Spring carries out damping, though the purpose of damping can be realized by spring, limited by shock attenuation needs, if in upper supporting column with The spring that is set between pillar is more, comparatively dense when, easily cause adjacent spring in the process for recovering deformation and knot, tangle Together, the normal of influence forging equipment is used.
The content of the invention
It is an object of the invention to:There is provided a kind of damping device for being used to forge using different shock-damping structures, it is ensured that subtract The normal of shake device is used.
The technical solution adopted by the present invention is as follows:
A kind of damping device for being used to forge, is included in the groove that ground is excavated, with bottom surface provided with mixed around groove Solidifying soil layer, is sequentially provided with hard rubber pad, lower supporting rod and upper supporting column, in the outside of upper supporting column and lower supporting rod from the bottom up in groove Surrounding is provided with enclosure wall, filled with sandstone layer between the outer layer and recess sidewall of enclosure wall;It is provided between upper supporting column and lower supporting rod Multigroup shock-damping structure, the shock-damping structure includes main vibration damper plate, and the two ends of main vibration damper plate are connected with upper supporting column, lower supporting rod respectively, main Secondary vibration damper plate is also associated with vibration damper plate, the other end of secondary vibration damper plate is connected with upper supporting column or lower supporting rod.
Wherein, main vibration damper plate is the main vibration damper plate of arc, and secondary vibration damper plate is the secondary vibration damper plate of arc, and the projection side of main vibration damper plate To consistent with the protrusion direction of secondary vibration damper plate, main vibration damper plate is connected to form herringbone structure with secondary vibration damper plate.
Wherein, main vibration damper plate is the main vibration damper plate of arc, and secondary vibration damper plate is the secondary vibration damper plate of arc, and the projection side of main vibration damper plate To the protrusion direction with secondary vibration damper plate on the contrary, main vibration damper plate is connected to form herringbone structure with secondary vibration damper plate.
Wherein, in same group of shock-damping structure, the tie point of main vibration damper plate and upper supporting column is A points, secondary vibration damper plate and lower supporting rod Tie point be B points, the tie point of main vibration damper plate and lower supporting rod is C points, and A points are located at B points, the surface of C points.
Wherein, machine oil is housed between upper supporting column and lower supporting rod, the liquid level of machine oil is parallel with the top surface of upper supporting column.
Wherein, machine oil overflow launder is provided with the top surface of upper supporting column, the overflow launder is annular groove.
Wherein, in same group of shock-damping structure, pressure sensor is provided between secondary vibration damper plate and lower supporting rod, in main damping Pressure sensor is provided between plate and upper supporting column or lower supporting rod.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows:
1st, in the present invention, shock-damping structure is set between upper supporting column and lower supporting rod, forging equipment is mitigated by shock-damping structure The sharp pounding of generation, it is to avoid vibrations disturb residents;The shock-damping structure includes main vibration damper plate, secondary vibration damper plate, one end of secondary vibration damper plate It is connected on main vibration damper plate and forms herringbone structure, every piece of main vibration damper plate, secondary vibration damper plate is respectively provided with certain toughness and rigidity, when During forging equipment workpiece pressing, the main vibration damper plate, secondary vibration damper plate can produce deformation, so as to play buffering, damping, the effect of absorbing Really, and when forging equipment rises, main vibration damper plate, secondary vibration damper plate can Quick-return deformation, each part recovers rapidly to original State, further, since be that damping is carried out by plate body, thus will not during plate body produces deformation and recovers deformation In the presence of because set quantity it is more, it is closeer adjacent spring is knotted, snarly phenomenon, it is ensured that damping device can be held Continuous property carries out normal work, improves the damping efficiency of damping device.
2nd, in the present invention, main vibration damper plate and secondary vibration damper plate is arranged to arc, can be made using the plate body of arcuate structure Vibration damper plate is more prone to deformation, so as to improve the damping effect of damping device.
3rd, in the present invention, machine oil is housed between upper supporting column and lower supporting rod, the liquid level of machine oil is parallel with the top surface of upper supporting column, Judge that the actual effect of vibration damper plate is acted on by observing machine oil with the presence or absence of the situation overflowed.
4th, in the present invention, pressure sensor is provided between secondary vibration damper plate and lower supporting rod, in main vibration damper plate and upper supporting column Or pressure sensor is provided between lower supporting rod, the load that vibration damper plate is born can be monitored in real time by pressure sensor, when When the load that vibration damper plate is born is higher, system can determine whether that the load of vibration damper plate is larger, so as to stop forging, it is to avoid vibration damper plate is ruined Damage, it is ensured that the follow-up normal work of damping device.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is Fig. 1 partial schematic diagram;
Fig. 3 is the structural representation of shock-damping structure in the present invention;
Fig. 4 is the structural representation of shock-damping structure in another embodiment of the present invention;
Marked in figure:The secondary vibration damper plate of 1- grooves, 2- concrete layers, 3- upper supporting columns, 4- lower supporting rods, 5- enclosure walls, 6-, 7- master subtract Shake plate, 8- machine oil, 9- hard rubber pad, 10- sandstone layer, 11- machine oil overflow launder, 12- forging equipments, 13- pressure sensors.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not For limiting the present invention.
A kind of damping device for being used to forge, is included in the groove 1 that ground is excavated, is provided with around groove 1 with bottom surface Concrete layer 2, at the center of groove 1 provided with upper supporting column 3 and lower supporting rod 4, is provided with enclosure wall around upper supporting column 3 and lower supporting rod 4 5, the enclosure wall 5 can use brick wall structure, hard rubber pad 9 is lined with below lower supporting rod 4, forging equipment 12 is fixed on upper supporting column 3 Above;Filled with sandstone layer 10 between the outer layer and the side wall of groove 1 of enclosure wall 5.Provided with many between upper supporting column 3 and lower supporting rod 4 Group shock-damping structure, cross-wise direction of multigroup damping device along groove 1 is uniform, realizes.The shock-damping structure includes main vibration damper plate 7, main The two ends of vibration damper plate 7 are connected with upper supporting column 3, lower supporting rod 4 respectively, and secondary vibration damper plate 6, secondary vibration damper plate 6 are also associated with main vibration damper plate 7 The other end be connected with upper supporting column 3 or lower supporting rod 4.When forging equipment 12 is downwardly applied to active force, will the main vibration damper plate 7 of extruding, Secondary vibration damper plate 6, main vibration damper plate 7, secondary vibration damper plate 6 produce deformation, so as to realize damping, the purpose of buffering.
Deformation is produced for the ease of main vibration damper plate 7, secondary vibration damper plate 6, thus the main vibration damper plate 7 is set to the main vibration damper plate of arc 7, the secondary vibration damper plate 6 is set to the secondary vibration damper plate 6 of arc, and the protrusion direction of main vibration damper plate 7 and the protrusion direction one of secondary vibration damper plate 6 Cause, main vibration damper plate 7 is connected to form herringbone structure with secondary vibration damper plate 6.Another embodiment is:The main vibration damper plate 7 is set to The main vibration damper plate 7 of arc, the secondary vibration damper plate 6 is set to the secondary vibration damper plate 6 of arc, and the protrusion direction of main vibration damper plate 7 and secondary vibration damper plate 6 Protrusion direction on the contrary, main vibration damper plate 7 is connected to form herringbone structure with secondary vibration damper plate 6.
On the basis of above-mentioned, preferably, in same group of shock-damping structure, the tie point of main vibration damper plate 7 and upper supporting column 3 is A points, the tie point of secondary vibration damper plate 6 and lower supporting rod 4 is B points, and the tie point of main vibration damper plate 7 and lower supporting rod 4 is C points, and A points are located at The surface of B points, C points.
In addition, being equipped with machine oil 8 between upper supporting column 3 and lower supporting rod 4, the liquid level of machine oil 8 is parallel with the top surface of upper supporting column 3. When spring follows the string deformation, machine oil 8 can be overflowed by the gap between enclosure wall 5 and upper supporting column 3, while playing prompting spring The effect of actual effect, preferred embodiment is to be provided with machine oil overflow launder 11 in the top surface of upper supporting column 3, and the overflow launder is annular groove.
In addition, in same group of shock-damping structure, pressure sensor 13 is provided between secondary vibration damper plate 6 and lower supporting rod 4, in master Pressure sensor 13 is provided between vibration damper plate 7 and upper supporting column 3 or lower supporting rod 4.
Embodiment 1
A kind of damping device for being used to forge, is included in the groove 1 that ground is excavated, is provided with around groove 1 with bottom surface Concrete layer 2, at the center of groove 1 provided with upper supporting column 3 and lower supporting rod 4, is provided with enclosure wall around upper supporting column 3 and lower supporting rod 4 5, the enclosure wall 5 can use brick wall structure, hard rubber pad 9 is lined with below lower supporting rod 4, forging equipment 12 is fixed on upper supporting column 3 Above;Filled with sandstone layer 10 between the outer layer and the side wall of groove 1 of enclosure wall 5.Provided with many between upper supporting column 3 and lower supporting rod 4 Group shock-damping structure, cross-wise direction of multigroup damping device along groove 1 is uniform, realizes.The shock-damping structure includes main vibration damper plate 7, main The two ends of vibration damper plate 7 are connected with upper supporting column 3, lower supporting rod 4 respectively, and secondary vibration damper plate 6, secondary vibration damper plate 6 are also associated with main vibration damper plate 7 The other end be connected with upper supporting column 3 or lower supporting rod 4.When forging equipment 12 is downwardly applied to active force, will the main vibration damper plate 7 of extruding, Secondary vibration damper plate 6, main vibration damper plate 7, secondary vibration damper plate 6 produce deformation, so as to realize damping, the purpose of buffering.
Embodiment 2
On the basis of embodiment one, the main vibration damper plate 7 is set to the main vibration damper plate 7 of arc, and the secondary vibration damper plate 6 is set to arc Shape pair vibration damper plate 6, and the protrusion direction of main vibration damper plate 7 is consistent with the protrusion direction of secondary vibration damper plate 6, main vibration damper plate 7 and secondary damping The connection of plate 6 forms herringbone structure.
Embodiment 3
On the basis of embodiment one, the main vibration damper plate 7 is set to the main vibration damper plate 7 of arc, and the secondary vibration damper plate 6 is set to arc Shape pair vibration damper plate 6, and the protrusion direction of main vibration damper plate 7 and the protrusion direction of secondary vibration damper plate 6 are on the contrary, main vibration damper plate 7 and secondary damping The connection of plate 6 forms herringbone structure.
Embodiment 4
On the basis of embodiment two or embodiment three, in same group of shock-damping structure, the company of main vibration damper plate 7 and upper supporting column 3 Contact is A points, and the tie point of secondary vibration damper plate 6 and lower supporting rod 4 is B points, and the tie point of main vibration damper plate 7 and lower supporting rod 4 is C points, and A Point is located at B points, the surface of C points.
Embodiment 5
On the basis of above-described embodiment, between upper supporting column 3 and lower supporting rod 4 be equipped with machine oil 8, the liquid level of machine oil 8 with it is upper The top surface of pillar 3 is parallel.When spring follows the string deformation, machine oil 8 can be overflowed by the gap between enclosure wall 5 and upper supporting column 3, Play a part of pointing out spring actual effect simultaneously.Preferred embodiment is to be provided with machine oil overflow launder 11 in the top surface of upper supporting column 3, should Overflow launder is annular groove.
Embodiment 6
On the basis of above-described embodiment, in same group of shock-damping structure, it is provided between secondary vibration damper plate 6 and lower supporting rod 4 Pressure sensor 13, pressure sensor 13 is provided between main vibration damper plate 7 and upper supporting column 3 or lower supporting rod 4.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.

Claims (7)

1. a kind of damping device for being used to forge, is included in the groove (1) that ground is excavated, is set around groove (1) with bottom surface There is concrete layer (2), hard rubber pad (9), lower supporting rod (4) and upper supporting column (3) are sequentially provided with from the bottom up in groove (1), The outer periphery of upper supporting column (3) and lower supporting rod (4) is provided with enclosure wall (5), is filled out between the outer layer and groove (1) side wall of enclosure wall (5) Filled with sandstone layer (10);It is characterized in that:Multigroup shock-damping structure, the damping knot are provided between upper supporting column (3) and lower supporting rod (4) Structure includes main vibration damper plate (7), and the two ends of main vibration damper plate (7) are connected with upper supporting column (3), lower supporting rod (4) respectively, main vibration damper plate (7) On be also associated with secondary vibration damper plate (6), the other end of secondary vibration damper plate (6) is connected with upper supporting column (3) or lower supporting rod (4).
2. a kind of damping device for being used to forge as claimed in claim 1, it is characterised in that:Main vibration damper plate (7) is arc master Vibration damper plate (7), secondary vibration damper plate (6) is the secondary vibration damper plate (6) of arc, and the protrusion direction of main vibration damper plate (7) and secondary vibration damper plate (6) Protrusion direction is consistent, and main vibration damper plate (7) is connected to form herringbone structure with secondary vibration damper plate (6).
3. a kind of damping device for being used to forge as claimed in claim 1, it is characterised in that:Main vibration damper plate (7) is arc master Vibration damper plate (7), secondary vibration damper plate (6) is the secondary vibration damper plate (6) of arc, and the protrusion direction of main vibration damper plate (7) and secondary vibration damper plate (6) Protrusion direction is on the contrary, main vibration damper plate (7) is connected to form herringbone structure with secondary vibration damper plate (6).
4. a kind of as claimed in claim 2 or claim 3 be used for the damping device of forging, it is characterised in that:In same group of shock-damping structure, The tie point of main vibration damper plate (7) and upper supporting column (3) is A points, and the tie point of secondary vibration damper plate (6) and lower supporting rod (4) is B points, and master subtracts The tie point for shaking plate (7) and lower supporting rod (4) is C points, and A points are located at B points, the surface of C points.
5. a kind of damping device for being used to forge as claimed in claim 1, it is characterised in that:In upper supporting column (3) and lower supporting rod (4) machine oil (8) is housed, the liquid level of machine oil (8) is parallel with the top surface of upper supporting column (3) between.
6. a kind of damping device for being used to forge as claimed in claim 5, it is characterised in that:Set in the top surface of upper supporting column (3) Organic oil overflow launder (11), the overflow launder (11) is annular groove.
7. a kind of damping device for being used to forge as claimed in claim 1, it is characterised in that:In same group of shock-damping structure, Pressure sensor (13) is provided between secondary vibration damper plate (6) and lower supporting rod (4), in main vibration damper plate (7) and upper supporting column (3) or lower branch Pressure sensor (13) is provided between post (4).
CN201710475790.2A 2017-06-21 2017-06-21 A kind of damping device for being used to forge Pending CN107091292A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710475790.2A CN107091292A (en) 2017-06-21 2017-06-21 A kind of damping device for being used to forge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710475790.2A CN107091292A (en) 2017-06-21 2017-06-21 A kind of damping device for being used to forge

Publications (1)

Publication Number Publication Date
CN107091292A true CN107091292A (en) 2017-08-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113333658A (en) * 2021-05-24 2021-09-03 杨烨 Aluminum alloy forging and pressing buffer mechanism

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029178A (en) * 1973-04-19 1977-06-14 Siemens Aktiengesellschaft High-impact force damping device
CN202301672U (en) * 2011-10-25 2012-07-04 青岛帅潮实业有限公司 Steel plate spring
CN202833835U (en) * 2010-12-20 2013-03-27 高欣 Damping structure for forging device
CN203146677U (en) * 2013-03-21 2013-08-21 湖南易通汽车配件科技发展有限公司 Variable-cross-section steel plate spring with gradually-changing rigidity
DE102012011160B3 (en) * 2012-06-05 2013-08-29 Hottinger Baldwin Messtechnik Gmbh Method for determining wear of rubber buffers in vehicle, involves achieving malfunction criterion when current signal patterns deviate from preset value of calibration signal patterns, and outputting malfunction signal
CN103522861A (en) * 2013-10-31 2014-01-22 济南宏昌车辆有限公司 Damping device of micro electric vehicle
CN204025483U (en) * 2014-06-25 2014-12-17 福建金浦汽车悬架有限公司 Leaf springs of car
CN204641112U (en) * 2015-05-12 2015-09-16 南京协辰电子科技有限公司 A kind of from action identification device
CN204900628U (en) * 2015-07-08 2015-12-23 安徽舒城华云弹簧制造有限公司 Pick up shock absorber plate spring
CN207093638U (en) * 2017-06-21 2018-03-13 四川瑞丰锻造有限公司 A kind of damping device for being used to forge

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029178A (en) * 1973-04-19 1977-06-14 Siemens Aktiengesellschaft High-impact force damping device
CN202833835U (en) * 2010-12-20 2013-03-27 高欣 Damping structure for forging device
CN202301672U (en) * 2011-10-25 2012-07-04 青岛帅潮实业有限公司 Steel plate spring
DE102012011160B3 (en) * 2012-06-05 2013-08-29 Hottinger Baldwin Messtechnik Gmbh Method for determining wear of rubber buffers in vehicle, involves achieving malfunction criterion when current signal patterns deviate from preset value of calibration signal patterns, and outputting malfunction signal
CN203146677U (en) * 2013-03-21 2013-08-21 湖南易通汽车配件科技发展有限公司 Variable-cross-section steel plate spring with gradually-changing rigidity
CN103522861A (en) * 2013-10-31 2014-01-22 济南宏昌车辆有限公司 Damping device of micro electric vehicle
CN204025483U (en) * 2014-06-25 2014-12-17 福建金浦汽车悬架有限公司 Leaf springs of car
CN204641112U (en) * 2015-05-12 2015-09-16 南京协辰电子科技有限公司 A kind of from action identification device
CN204900628U (en) * 2015-07-08 2015-12-23 安徽舒城华云弹簧制造有限公司 Pick up shock absorber plate spring
CN207093638U (en) * 2017-06-21 2018-03-13 四川瑞丰锻造有限公司 A kind of damping device for being used to forge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113333658A (en) * 2021-05-24 2021-09-03 杨烨 Aluminum alloy forging and pressing buffer mechanism
CN113333658B (en) * 2021-05-24 2022-04-19 肇庆锦汇金属制品有限公司 Aluminum alloy forging and pressing buffer mechanism

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