CN109296689A - A kind of portable damper structure with limit self function - Google Patents
A kind of portable damper structure with limit self function Download PDFInfo
- Publication number
- CN109296689A CN109296689A CN201811447543.2A CN201811447543A CN109296689A CN 109296689 A CN109296689 A CN 109296689A CN 201811447543 A CN201811447543 A CN 201811447543A CN 109296689 A CN109296689 A CN 109296689A
- Authority
- CN
- China
- Prior art keywords
- gasket
- limit
- limiting slot
- rubber
- rubber bush
- 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
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Classifications
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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
- F16F7/00—Vibration-dampers; Shock-absorbers
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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
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/08—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
- F16F3/087—Units comprising several springs made of plastics or the like material
- F16F3/0873—Units comprising several springs made of plastics or the like material of the same material or the material not being specified
- F16F3/0876—Units comprising several springs made of plastics or the like material of the same material or the material not being specified and of the same shape
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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
- F16F2230/00—Purpose; Design features
- F16F2230/0029—Location, co-location
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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
- F16F2230/00—Purpose; Design features
- F16F2230/0041—Locking; Fixing in position
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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
- F16F2230/00—Purpose; Design features
- F16F2230/02—Surface features, e.g. notches or protuberances
Abstract
The present invention provides a kind of portable damper structures with limit self function, including T-type sleeve and gasket, the vertical direction of the T-type sleeve is cylindrical barrel structure, the cylindrical sleeve one end extends to the outside to form T-type limit end face, the limit fastener outwardly protruded is equipped on the outside of other end end, gasket is equipped with corresponding docking via hole and limiting slot, docking via hole is the groove for the entire gasket of perforation in axial direction dug on gasket interior bone side wall, its cross-sectional shape is matched with the limit fastener cross-sectional shape on T-type sleeve, gasket is passed through convenient for the limit fastener in assembling process on T-type sleeve;Limiting slot is the groove in axial direction dug from one side end face of gasket to another side end face on internal through-hole side wall, its cross-sectional shape is matched with the limit fastener cross-sectional shape on T-type sleeve, limiting slot does not penetrate through entire gasket, and limit fastener falls into limiting slot, spacing shim.The present invention can simplify installation process, reduce personnel misoperation.
Description
Technical field
The present invention relates to a kind of portable damper structure with limit self function, belong to automobile, railway locomotive, waterborne
Transport, aircraft and other aircraft common technologies field.
Background technique
Currently, rubber shock absorber is largely used in a kind of transmission of damping vibration between electronic equipment and mounted equipment
Product, common damper generally uses the form of separate type, is generally made by rubber and metal, multiple dampers are together
Vibration insulating system is formed, thus all supporting points of overlay electronic equipment.Common damper and electronic equipment are mounted between equipment
Connection generallys use screw rigid attachment, but electronic equipment and mounted equipment blocking are come by rubber bush, so that equipment
Between rigid connection be changed into flexible connection, to reduce environmental stress in the amplification effect of equipment room.
The gasket construction of common rubber shock absorber is plain washer pattern, central through hole diameter and mounting screw phase on the market
Match;T-type sleeve cross section is T font, and column part central through hole size is matched with mounting screw, race diameter and rubber sleeve
Cylinder central through hole matches, and plain washer section diameter is identical as gasket outer ring;The race diameter of rubber bush and gasket outer ring phase
Together, inner ring diameter matches with electronic equipment installation bore dia.One T-type sleeve is substantially passed through rubber bush by erection sequence
Centre bore, then by they pass through electronic equipment mounting hole, rubber bush is inserted in T-type sleeve column part again later, then with
Gasket covers rubber bush upper surface, finally passes through damper central through hole with screw, and be anchored on mounted equipment fixation hole
Place, ultimately forms stationary state, other dampers are followed the prescribed rules, and are respectively arranged in electronic equipment fixed mounting hole.
Above-mentioned damper significant effect in terms of environment resistant stress, but installation process is excessively cumbersome and not easy enough, waste
The problems such as cost of labor, component easy to be lost.If reason be its all parts want to be formed in assembling process fit closely it is whole
Body is needed threaded fastener passing through damper central through hole, and just be can be achieved after being tightened against mounted equipment.This just gives assembly
Process causes great obstruction, usual separate unit electronic equipment more than one damper, and installation space is narrow, is not easy the behaviour that sets about
The case where making, and having inversion or side installation, causes damper components in installation process extremely easy to drop, makes to assembly crewman
At unnecessary repeated work.And the component split away off may smash other products, cause damages.
Summary of the invention
Technology of the invention solves the problems, such as: overcome the deficiencies of the prior art and provide it is a kind of with limit self function just
Prompt formula damper structure reduces environmental stress suffered by equipment, simplified installation process, reduction personnel misoperation to reach, realizes one
The purpose that body complete machine is delivered.
The technical solution of the invention is as follows: a kind of portable damper structure with limit self function, including T-type set
The vertical direction of cylinder and gasket, the T-type sleeve is cylindrical barrel structure, which extends to the outside to form T
Type limits end face, and the limit fastener outwardly protruded is equipped on the outside of other end end, and correspondingly, gasket is equipped with accordingly to taking over
Hole and limiting slot, in which:
Docking via hole is the groove in axial direction dug on gasket interior bone side wall, groove cross section shape and T-type
Limit fastener cross-sectional shape matching on sleeve, wherein docking via hole penetrates through entire gasket, convenient for T-type sleeve in assembling process
On limit fastener pass through gasket, reach the upper surface of gasket;
Limiting slot, it is recessed in axial direction to be dug from one side end face of gasket to another side end face on internal through-hole side wall
Slot, groove cross section shape are matched with the limit fastener cross-sectional shape on T-type sleeve, wherein and limiting slot does not penetrate through entire gasket,
After assembly, limit fastener falls into limiting slot, spacing shim.
The portable damper structure further includes the first rubber bush and the second rubber bush, first rubber bush
With the second rubber bush step rubber ring having the same, step rubber ring is internally provided with central through hole, central through hole and T-type
Sleeve outer diameter matching, can be fitted tightly on the outside of the vertical cylinder cylinder of T-type sleeve, the outer diameter of step rubber ring small-caliber end with
It is mounted the internal diameter matching of equipment trunnion upper installing hole, so that damper structure installation backward step rubber ring small-caliber end is supported on
Between gasket and equipment installation trunnion, the height of the cylindrical sleeve of the height and T-type sleeve of step rubber ring large diameter end, pad
The height of piece, the height of gasket limiting slot match, so that the large diameter end of the first rubber bush is pressed from both sides after damper structure installation
Between gasket and mounted equipment installation trunnion, the large diameter end of the second rubber bush is supported on mounted equipment installation trunnion
Between T-type sleeve T-type limit end face.
The sum of height of first rubber bush and the second rubber bush small-caliber end, which is less than, to be mounted on equipment trunnion
The height of mounting hole so that damper structure installation after first rubber bush and the second rubber bush small-caliber end end face
Between there are certain gaps.
The material hardness value range of first rubber bush and the second rubber bush is 40~60.
The limit fastener at least two correspondingly docks via hole and limiting slot also at least two.
The limit fastener is uniformly distributed, the relative position and each limit of each relative position for docking via hole and each limiting slot
The relative position matching of position buckle.
The docking via hole is interspersed with limiting slot, each limiting slot and two adjacent segmental arcs docked between via hole
Equal length.
The gasket central through hole diameter is greater than T-type sieeve cylindrical sleeve outer diameter, is less than T-type cylindrical sleeve limiting card
Buckle maximum radial dimension.
The T-type sleeve is equipped with central through hole, and central through hole diameter matches with equipment mounting screw, and inside is equipped with spiral shell
Line is installed by screw and is fixed.
The T-type sleeve is made with gasket of austenitic stainless steels 1Cr18Ni9Ti.
Compared with the prior art, the invention has the advantages that:
(1), the present invention, can be with limit in increasing limit fastener design on T-type sleeve under the premise of not affecting the mechanical properties
Position slot cooperation, plays damper self-locking function;Increase limiting slot and docking Via Design, on gasket to cooperate limit fastener pair
Fixed function is embedded in after connecing installation and rotation.
(2), it is a kind of high elastic polymer material of reversible deformation that the present invention, which makes full use of rubber product, is assembling full mistake
Cheng Zhong, the elastic deformation characteristics of rubber bush realize damper dress limit locking function.
(3), the present invention uses multiple limit fasteners and its corresponding limiting slot and docking via hole simultaneously, can prevent from subtracting
Limit fastener and the case where limiting slot unbalance stress when the device that shakes is self-locking;
(4), it is 40~60 that the present invention, which chooses the first rubber bush and the hardness value range of the second rubber bush, rubber-based
NR rubber (natural rubber), SBR rubber (butadiene-styrene rubber), EPDM rubber (ethylene propylene diene rubber), NBR (butyronitrile rubber can be selected in body
Glue) etc., because rubber shape can unrestricted choice, hardness can by be formulated design be adjusted, with meet different directions rigidity and
Intensity requirement.
(5), the first rubber tube and the second rubber tube of the invention are the step rubber rings with same shape, can be with T-type set
Cylinder is assemblied in gasket by after dampening apparatus, so that the contact between them is non-rigid connection, in vibration processes, by vibration damping
Equipment generate any direction displacement, can prevent T-type sleeve, gasket with by the contact between dampening apparatus.
(6) there are certain gap between the first rubber bush and the second rubber bush of the invention, this gap can be prevented
Damper keeps for the space of rubber tube deformation when rubber tube is extruded and generates deformation in vibration environment.
Detailed description of the invention
Fig. 1 is damper of embodiment of the present invention general assembly sectional view;
Fig. 2 (a) is that T-type of the embodiment of the present invention covers sectional view;
Fig. 2 (b) is T-type of embodiment of the present invention sleeve three-dimensional view;
Fig. 3 (a) is gasket of embodiment of the present invention right view;
Fig. 3 (b) is gasket of embodiment of the present invention front view;
Fig. 3 (c) is gasket of embodiment of the present invention left view;
Fig. 3 (d) is gasket of embodiment of the present invention three-dimensional view;
Fig. 4 (a) is rubber tube of embodiment of the present invention sectional view;
Fig. 4 (b) is gasket of embodiment of the present invention three-dimensional view;
Fig. 5 is view when damper of the embodiment of the present invention is tentatively installed;
Fig. 6 is view when damper of embodiment of the present invention gasket rotates 45 °;
Fig. 7 is view when damper of embodiment of the present invention gasket is rotated by 90 °;
Fig. 8 is view when damper of the embodiment of the present invention is installed.
Specific embodiment
Below in conjunction with drawings and examples, the present invention is described in detail.
(a), Fig. 2 (b) are shown as shown in Figure 1, Figure 2, and the present invention provides a kind of portable dampers with limit self function
Structure, the damper structure include T-type sleeve, gasket, the first rubber bush and the second rubber bush, and the T-type sleeve erects
To for cylindrical barrel structure, which extends to the outside to form T-type limit end face histogram, on the outside of other end end
Equipped with the limit fastener outwardly protruded, correspondingly, gasket is equipped with corresponding docking via hole and limiting slot, in which:
Docking via hole is the groove in axial direction dug on gasket interior bone side wall, groove cross section shape and T-type
Limit fastener cross-sectional shape matching on sleeve, wherein docking via hole penetrates through entire gasket, convenient for T-type sleeve in assembling process
On limit fastener pass through gasket, reach the upper surface of gasket;
Limiting slot, it is recessed in axial direction to be dug from one side end face of gasket to another side end face on internal through-hole side wall
Slot, groove cross section shape are matched with the limit fastener cross-sectional shape on T-type sleeve, wherein and limiting slot does not penetrate through entire gasket,
After assembly, limit fastener falls into limiting slot, spacing shim.Wherein, the height of limit fastener is lower than the depth of limiting slot.
As shown in Fig. 4 (a) and Fig. 4 (b), first rubber bush and the second rubber bush step rubber having the same
Circle, step rubber ring are internally provided with central through hole, and the T-type sleeve outer diameter matching of central through hole can be fitted tightly over T-type set
On the outside of the vertical cylinder cylinder of cylinder, the internal diameter of the outer diameter of step rubber ring small-caliber end and mounted equipment trunnion upper installing hole
Match, so that damper structure installation backward step rubber ring small-caliber end is supported between gasket and equipment installation trunnion, step rubber
The height, the height of gasket, the height phase of gasket limiting slot of the height of cushion rubber large diameter end and the cylindrical sleeve of T-type sleeve
Match so that damper structure installation after the first rubber bush large diameter end be clipped in gasket and mounted equipment installation trunnion it
Between, the large diameter end of the second rubber bush is supported between mounted equipment installation trunnion and T-type sleeve T-type limit end face.
The sum of height of first rubber bush and the second rubber bush small-caliber end, which is less than, to be mounted on equipment trunnion
The height of mounting hole so that damper structure installation after first rubber bush and the second rubber bush small-caliber end end face
Between there are certain gaps.
The material hardness value range of first rubber bush and the second rubber bush is 40~60.Rubber matrix is optional
With NR rubber (natural rubber), SBR rubber (butadiene-styrene rubber), EPDM rubber (ethylene propylene diene rubber), NBR (nitrile rubber) etc.,
Because rubber shape can unrestricted choice, hardness can by be formulated design be adjusted, wanted with meeting the stiffness and strength of different directions
It asks.
As shown in Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) and Fig. 3 (d), the limit fastener at least two, correspondingly, docking
Via hole and limiting slot also at least two.
The limit fastener is uniformly distributed, the relative position and each limit of each relative position for docking via hole and each limiting slot
The relative position matching of position buckle.
The docking via hole is interspersed with limiting slot, each limiting slot and two adjacent segmental arcs docked between via hole
Equal length.
The gasket central through hole diameter is greater than T-type sieeve cylindrical sleeve outer diameter, is less than T-type cylindrical sleeve limiting card
Buckle maximum radial dimension.
The T-type sleeve is equipped with central through hole, and central through hole diameter matches with equipment mounting screw, and inside is equipped with spiral shell
Line is installed by screw and is fixed.
The T-type sleeve is made of metal material with gasket, preferably uses austenitic stainless steels 1Cr18Ni9Ti
It is made, with good heat resistance and corrosion resistance.
When docking T-type sleeve with gasket in assembling process, the limit fastener on T-type sleeve is first passed through to pair on gasket
Mouth is taken over, continues light pressure pad piece downwards later, so that limit fastener is exposed gasket upper surface, as shown in Figure 5;It is clockwise or inverse again
Hour hands rotate 90 degree of gasket, and rubber bush, which is constantly in, during this is caused that elastic deformation state occurs by compression, such as Fig. 6, Fig. 7
It is shown;After limit fastener is directed at limiting slot, the power for pushing gasket is unclamped, so that in limit fastener insertion limiting slot, rubber at this time
Rubber sleeve recoils to original state, as shown in figure 8, realizing limit self function with this.
Can make that rigidity is avoided to connect between electronic equipment and mounted equipment, threaded fastener by above-mentioned mounting means
It connects, to lower ambient vibration magnitude caused by electronic equipment significantly, and the serious forgiveness of Product Assembly can be improved, reduce artificial
Cost, it is easy to operate, and the original mechanical property of damper is not influenced.
From the foregoing, it will be observed that above-mentioned portable dynamic simulation has following features:
1, under the premise of not affecting the mechanical properties, in increasing limit fastener design on T-type sleeve, can match with limiting slot
It closes, plays damper self-locking function;Increase limiting slot on gasket and design mouth is taken over, to cooperate limit fastener abutting joint
And fixed function is embedded in after rotation.
2, the characteristics of making full use of rubber product to be a kind of high elastic polymer material of reversible deformation, in assembly overall process
In, the elastic deformation characteristics of rubber bush realize damper dress limit locking function.
3, in delivered product, complete machine integrated management can be formed, other dampers deliver totality together with electronic equipment
After unit, damper is unanimously in scattered state, or damper is separately fixed on installation trunnion with screw, nut, not only unrestrained
Part costly and easy to be lost, also will cause the problems such as managerial confusion.
4, high serious forgiveness even zero error can be achieved, greatly improve assembly efficiency, delivered product occur in many cases
The installation site lain on one's side or stood upside down is needed on overall installation bracket, and installation space is extremely narrow, assembly crewman is caused to have no way of
All kinds of difficult situations such as assistant can be remained damper and produced using the design under the premise of being not required to by any external force
Product trunnion locked and fixed state simplifies operator's installation process.
5, damper size can free hold, under the assembling form for following limit fastener, limiting slot, every size can root
It voluntarily changes according to actual product, and is not fixed using material, T-type sleeve and gasket can be used common each metalloid on the market and close
Gold, rubber bush material can be according to ambient vibration magnitude unrestricted choices.
It is not described in detail in this specification and partly belongs to common sense well known to those skilled in the art.
Claims (10)
1. a kind of portable damper structure with limit self function, it is characterised in that including T-type sleeve and gasket, the T
The vertical direction of jacket cylinder is cylindrical barrel structure, which extends to the outside to form T-type limit end face, another
End is equipped with the limit fastener outwardly protruded on the outside of end, and correspondingly, gasket is equipped with corresponding docking via hole and limiting slot,
In:
Docking via hole is the groove in axial direction dug on gasket interior bone side wall, groove cross section shape and T-type sleeve
On the matching of limit fastener cross-sectional shape, wherein docking via hole penetrates through entire gasket, convenient in assembling process on T-type sleeve
Limit fastener passes through gasket, reaches the upper surface of gasket;
Limiting slot is the groove in axial direction dug from one side end face of gasket to another side end face on internal through-hole side wall,
Groove cross section shape is matched with the limit fastener cross-sectional shape on T-type sleeve, wherein limiting slot does not penetrate through entire gasket, just
After assembly, limit fastener falls into limiting slot, spacing shim.
2. a kind of portable damper structure with limit self function according to claim 1, it is characterised in that also wrap
Include the first rubber bush and the second rubber bush, first rubber bush and the second rubber bush step rubber having the same
Circle, step rubber ring are internally provided with central through hole, and central through hole is matched with T-type sleeve outer diameter, can be fitted tightly over T-type set
On the outside of the vertical cylinder cylinder of cylinder, the internal diameter of the outer diameter of step rubber ring small-caliber end and mounted equipment trunnion upper installing hole
Match, so that damper structure installation backward step rubber ring small-caliber end is supported between gasket and equipment installation trunnion, step rubber
The height, the height of gasket, the height phase of gasket limiting slot of the height of cushion rubber large diameter end and the cylindrical sleeve of T-type sleeve
Match so that damper structure installation after the first rubber bush large diameter end be clipped in gasket and mounted equipment installation trunnion it
Between, the large diameter end of the second rubber bush is supported between mounted equipment installation trunnion and T-type sleeve T-type limit end face.
3. a kind of portable damper structure with limit self function according to claim 1, it is characterised in that described
The sum of height of first rubber bush and the second rubber bush small-caliber end is less than the height for being mounted equipment trunnion upper installing hole,
So that existing between first rubber bush and the end face of the second rubber bush small-caliber end after damper structure installation certain
Gap.
4. a kind of portable damper structure with limit self function according to claim 1, it is characterised in that described
The material hardness value range of first rubber bush and the second rubber bush is 40~60.
5. a kind of portable damper structure with limit self function according to claim 1, it is characterised in that described
Limit fastener at least two correspondingly docks via hole and limiting slot also at least two.
6. a kind of portable damper structure with limit self function according to claim 4, it is characterised in that described
Limit fastener is uniformly distributed, and the relative position of each relative position for docking via hole and each limiting slot is opposite with each limit fastener
Location matches.
7. a kind of portable damper structure with limit self function according to claim 5, it is characterised in that described
Docking via hole is interspersed with limiting slot, the segmental arc equal length that each limiting slot docks between via hole with adjacent two.
8. a kind of portable damper structure with limit self function according to claim 1, it is characterised in that described
Gasket central through hole diameter is greater than T-type sieeve cylindrical sleeve outer diameter, is less than T-type cylindrical sleeve limiting card buckle maximum radial
Size.
9. a kind of portable damper structure with limit self function according to claim 1, it is characterised in that the T
Jacket cylinder is equipped with central through hole, and central through hole diameter matches with equipment mounting screw, is internally threaded, installed by screw
It is fixed.
10. a kind of portable damper structure with limit self function according to claim 1, it is characterised in that described
T-type sleeve is made with gasket of austenitic stainless steels 1Cr18Ni9Ti.
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CN201811447543.2A CN109296689A (en) | 2018-11-29 | 2018-11-29 | A kind of portable damper structure with limit self function |
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CN201811447543.2A CN109296689A (en) | 2018-11-29 | 2018-11-29 | A kind of portable damper structure with limit self function |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110932457A (en) * | 2019-11-01 | 2020-03-27 | 珠海凯邦电机制造有限公司 | Motor damping device and motor |
CN110989782A (en) * | 2019-10-14 | 2020-04-10 | 中国航空工业集团公司洛阳电光设备研究所 | Shock absorber of functional module in electronic equipment and use method |
CN112108575A (en) * | 2020-08-14 | 2020-12-22 | 东风商用车有限公司 | Riveting limiting system and riveting limiting method for vibration damping structure of ECU (electronic control Unit) bracket |
CN112648331A (en) * | 2020-11-13 | 2021-04-13 | 河北汉光重工有限责任公司 | Asymmetric vibration reduction structure and adjustment method |
CN114198379A (en) * | 2021-05-06 | 2022-03-18 | 北京工业大学 | Single-side tightening device capable of being connected by detachable triangular bolt |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110989782A (en) * | 2019-10-14 | 2020-04-10 | 中国航空工业集团公司洛阳电光设备研究所 | Shock absorber of functional module in electronic equipment and use method |
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CN112108575B (en) * | 2020-08-14 | 2022-04-05 | 东风商用车有限公司 | Riveting limiting system and riveting limiting method for vibration damping structure of ECU (electronic control Unit) bracket |
CN112648331A (en) * | 2020-11-13 | 2021-04-13 | 河北汉光重工有限责任公司 | Asymmetric vibration reduction structure and adjustment method |
CN112648331B (en) * | 2020-11-13 | 2023-08-11 | 河北汉光重工有限责任公司 | Asymmetric vibration reduction structure and assembling and adjusting method |
CN114198379A (en) * | 2021-05-06 | 2022-03-18 | 北京工业大学 | Single-side tightening device capable of being connected by detachable triangular bolt |
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