CN204852134U - Hole formula viscous damper of kong changke self -adjusting - Google Patents
Hole formula viscous damper of kong changke self -adjusting Download PDFInfo
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- CN204852134U CN204852134U CN201520444780.9U CN201520444780U CN204852134U CN 204852134 U CN204852134 U CN 204852134U CN 201520444780 U CN201520444780 U CN 201520444780U CN 204852134 U CN204852134 U CN 204852134U
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- pin bushing
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Abstract
The utility model discloses a hole formula viscous damper of kong changke self -adjusting, including a cylinder, be equipped with a piston rod in this cylinder, a piston is cup jointed at the middle part of this piston rod, the piston rod cup joints a guide pin bushing respectively near the position at both ends, is called left side guide pin bushing, right side guide pin bushing respectively, the right side guide pin bushing is located the right -hand member of cylinder, the outer end of right side guide pin bushing is equipped with a right side and moves close to somebody's ear, this right side move close to somebody's ear with the piston rod right -hand member links to each other, the left end of cylinder adopts a end cap seal, and the outside of this end cover is connected a left side and is moved close to somebody's ear. The utility model discloses when piston rod during at reciprocating motion, the high -speed flow between power consumption liquid about the piston in two cavitys and the downthehole power consumption liquid of damping, when functioning speed was higher, the damping force meeting was bigger, and the liquid internal pressure makes the slider interval of both sides diminish, and damping hole length diminishes to the increase range of damping force can diminish, thus make the attenuator stagnate back the curve fuller or the power consumption efficiency higher.
Description
Technical field
The utility model relates to engineering equipment field of shock absorption, is specifically related to a kind of Kong Changke self-adjusting hole formula viscous damper.
Background technique
The survival and development of the mankind in earthquake and the serious threat of disaster caused by a windstorm evil, and since the mankind are born, people just struggle for resisting these two kinds of natural disasteies.Along with the development of science and technology, the ability that people prevented and resisted earthquake and disaster caused by a windstorm evil is also constantly improving, viscous damper is a kind of widely used energy-consuming shock absorber, be installed in large scale structure engineering, when there is wind load or geological process, the energy of a large amount of consumption input structure, thus guarantee the safety and stability of agent structure in strong earthquakes or high wind load.
Viscous damper is applied to mechanical engineering, military equipment, the impact of aviation field or vibration control the earliest.Along with deepening continuously of research, this technology relates to civil area gradually.Viscous damper according to fluid motion, particularly when fluid is made by the principle that can produce viscous resistance during throttle orifice.Different according to the principle that damping force produces, cylinder formula Effects of Viscous Fluid Damper, drum type viscous damper and viscous damping wall can be divided into.Structure according to dissipative member on piston is different, can be divided into again hole formula, clearance type and type hybrid damper three types.
Model utility content
The utility model object is to overcome existing technical deficiency, proposes a kind of Kong Changke self-adjusting hole formula viscous damper,
To achieve these goals, the technical solution of the utility model is:
A kind of Kong Changke self-adjusting hole formula viscous damper, comprise a cylinder barrel, a piston rod is provided with in this cylinder barrel, the middle part of this piston rod is socketed a piston, described piston rod is socketed a guide pin bushing respectively near the position at two ends, be called left side guide pin bushing, right side guide pin bushing, described right side guide pin bushing is positioned at the right-hand member of described cylinder barrel, the outer end of described right side guide pin bushing is provided with a right side and moves close to somebody's ear, move close to somebody's ear to be connected with described piston rod right-hand member in this right side, the left end of described cylinder barrel adopts an end bracket enclosed, the outside of this end cap connects a left side and moves close to somebody's ear, in space between described piston and left side guide pin bushing, power consumption liquid is all filled with in space between described piston and right side guide pin bushing, the slide block of a concentric is embedded inside described piston, the two ends of this slide block are respectively equipped with a limiting stopper, the damping hole of a circle concentric is provided with inside described slide block, the relevant position of described limiting stopper has damping hole port, the middle part of described slide block disconnects, form a cavity, a bellows is provided with in this cavity.
Preferably, the both sides of described bellows are respectively equipped with block in, and in this, block is fixed on described piston.
Preferably, along with the motion of piston rod, back and forth flow between the power consumption liquid in the space in the space in described damping hole, between described piston and left side guide pin bushing, between described piston and right side guide pin bushing.
Preferably, described left side guide pin bushing, be respectively equipped with seal arrangement between right side guide pin bushing and cylinder barrel.
Preferably, the right-hand member of described right side guide pin bushing leaks outside between shoulder and the inwall of cylinder barrel and adopts solder design.
Preferably, the left end of described left side guide pin bushing leaks outside between shoulder and the inwall of cylinder barrel and adopts solder design.
Preferably, the left end of described end cap leaks outside between shoulder and the inwall of cylinder barrel and adopts solder design.
Preferably, the two ends of described bellows adopt seamless welding to link together respectively by a connection piece and described slide block.
Working principle of the present utility model: when structure is subject to the external load such as wind or earthquake impact shock, driving piston rod to-and-fro motion to make to consume energy liquid being back and forth spray at a high speed between two cavitys separated with piston by the connected node between damper and structure, producing damping force.
And the bellows between internal piston slide block has easy stretchability, when piston rod movement, bellows can be elongated or compress.When bellows is elongated, because limiting stopper has position-limiting action to slide block, can ensure the relative position between slide block and piston, namely slide block is positioned at the inside of piston always; When bellows is compressed, due to the existence of block in both sides, make bellows can only be compressed to certain deformation quantity, prevent bellows from occurring infinity deformation quantity and then damaging bellows and piston.Meanwhile, because bellows, end cap and left and right side guide pin bushing are connected with the high quality seamless welding between cylinder barrel, power consumption liquid No leakage in eon can be ensured.
Beneficial effect: a kind of Kong Changke of the utility model self-adjusting hole formula viscous damper, due to the easy stretchability of bellows, when piston rod is in to-and-fro motion, power consumption liquid in two cavitys and flow at high speed between the power consumption liquid in damping hole about piston, when motion speed is higher, damping force can be larger, liquid internal pressure power makes the gaE slide of both sides diminish, damping hole length diminishes, thus the increase amplitude of damping force can diminish, thus make that damper hysteresis loop is fuller or energy efficiency is higher.
Accompanying drawing explanation
Fig. 1 is the vertical section structure schematic diagram of the utility model anti-leak multi-sealed viscous damper embodiment.
Fig. 2 is the utility model anti-leak multi-sealed viscous damper partial enlargement structural representation.
Each symbology in figure: 1. cylinder barrel; 2. piston rod; 3. piston; 30. slide blocks; 31. damping holes; 32. limiting stoppers; Block in 33.; Guide pin bushing on the left of in the of 41.; Guide pin bushing on the right side of in the of 42.; 5. bellows; 6. end cap; 71. left sides are moved close to somebody's ear; 72. right sides are moved close to somebody's ear; 8. consume energy liquid.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated: the present embodiment is implemented under premised on technical solutions of the utility model; give detailed mode of execution and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment:
As shown in Figure 1 and Figure 2, figure comprises cylinder barrel 1, is provided with piston rod 2 in this cylinder barrel 1, and the middle part socket piston 3 of this piston rod 2, piston rod 2 is socketed with guide pin bushing respectively near the position at two ends, is called left side guide pin bushing 41, right side guide pin bushing 42.
Right side guide pin bushing 42 is positioned at the right-hand member of cylinder barrel 1, and the outer end of right side guide pin bushing 42 is provided with the right side and moves close to somebody's ear 72, moves close to somebody's ear 72 to be connected with piston rod 2 right-hand member in the right side.The left end of cylinder barrel 1 adopts end cap 6 to seal, and a connection left side, outside for this end cap 6 moves close to somebody's ear 71.Power consumption liquid 8 is all filled with in space in space between piston 3 and left side guide pin bushing 41, between piston 3 and right side guide pin bushing 42.Along with the motion of piston rod 2, back and forth flow between the power consumption liquid in the space in the space in damping hole 31, between piston 3 and left side guide pin bushing 41, between piston 3 and right side guide pin bushing 32.Preferably.
The slide block 30 of concentric is embedded inside piston 3, the two ends of this slide block 30 are respectively equipped with a limiting stopper 32, the damping hole 31 of a circle concentric is provided with inside slide block 30, the relevant position of limiting stopper 32 has damping hole port, the middle part of slide block 30 disconnects, and forms a cavity, is provided with bellows 5 in this cavity, the both sides of bellows 5 are respectively equipped with middle block 33, and in this, block 33 is fixed on piston 3.
Left side guide pin bushing 41, be respectively equipped with seal arrangement between right side guide pin bushing 42 and cylinder barrel 1.Right side guide pin bushing 42 right-hand member leak outside shoulder and cylinder barrel 1 inwall between adopt solder design.Left side guide pin bushing 41 left end leak outside shoulder and cylinder barrel 1 inwall between adopt solder design.The left end of end cap 6 leak outside shoulder and cylinder barrel 1 inwall between adopt solder design.The two ends of bellows 5 adopt seamless welding to link together respectively by a connection piece and slide block 30.
More than show and describe basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. a hole length can self-adjusting hole formula viscous damper, comprise a cylinder barrel, a piston rod is provided with in this cylinder barrel, the middle part of this piston rod is socketed a piston, described piston rod is socketed a guide pin bushing respectively near the position at two ends, be called left side guide pin bushing, right side guide pin bushing, described right side guide pin bushing is positioned at the right-hand member of described cylinder barrel, the outer end of described right side guide pin bushing is provided with a right side and moves close to somebody's ear, move close to somebody's ear to be connected with described piston rod right-hand member in this right side, the left end of described cylinder barrel adopts an end bracket enclosed, the outside of this end cap connects a left side and moves close to somebody's ear, in space between described piston and left side guide pin bushing, power consumption liquid is all filled with in space between described piston and right side guide pin bushing, the slide block of a concentric is embedded inside described piston, the two ends of this slide block are respectively equipped with a limiting stopper, the damping hole of a circle concentric is provided with inside described slide block, the relevant position of described limiting stopper has damping hole port, the middle part of described slide block disconnects, form a cavity, a bellows is provided with in this cavity.
2. a kind of Kong Changke according to claim 1 self-adjusting hole formula viscous damper, is characterized in that, the both sides of described bellows are respectively equipped with block in, and in this, block is fixed on described piston.
3. a kind of Kong Changke according to claim 1 and 2 self-adjusting hole formula viscous damper, it is characterized in that, along with the motion of piston rod, back and forth flow between the power consumption liquid in the space in the space in described damping hole, between described piston and left side guide pin bushing, between described piston and right side guide pin bushing.
4. a kind of Kong Changke according to claim 1 and 2 self-adjusting hole formula viscous damper, described left side guide pin bushing, is respectively equipped with seal arrangement between right side guide pin bushing and cylinder barrel.
5. a kind of Kong Changke according to claim 1 and 2 self-adjusting hole formula viscous damper, the right-hand member of described right side guide pin bushing leaks outside between shoulder and the inwall of cylinder barrel and adopts solder design.
6. a kind of Kong Changke according to claim 1 and 2 self-adjusting hole formula viscous damper, the left end of described left side guide pin bushing leaks outside between shoulder and the inwall of cylinder barrel and adopts solder design.
7. a kind of Kong Changke according to claim 1 and 2 self-adjusting hole formula viscous damper, the left end of described end cap leaks outside between shoulder and the inwall of cylinder barrel and adopts solder design.
8. a kind of Kong Changke according to claim 1 and 2 self-adjusting hole formula viscous damper, the two ends of described bellows adopt seamless welding to link together respectively by a connection piece and described slide block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444780.9U CN204852134U (en) | 2015-06-25 | 2015-06-25 | Hole formula viscous damper of kong changke self -adjusting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444780.9U CN204852134U (en) | 2015-06-25 | 2015-06-25 | Hole formula viscous damper of kong changke self -adjusting |
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| CN204852134U true CN204852134U (en) | 2015-12-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989764A (en) * | 2015-06-25 | 2015-10-21 | 上海赛弗工程减震技术有限公司 | Hole type viscous damper with hole length capable of being automatically adjusted |
| CN108443392A (en) * | 2018-04-28 | 2018-08-24 | 南京林业大学 | A kind of displacement correlation variable force variable damping parameter fluid linking damper |
| CN112762127A (en) * | 2021-01-25 | 2021-05-07 | 长安大学 | Composite energy dissipation and vibration reduction device |
-
2015
- 2015-06-25 CN CN201520444780.9U patent/CN204852134U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989764A (en) * | 2015-06-25 | 2015-10-21 | 上海赛弗工程减震技术有限公司 | Hole type viscous damper with hole length capable of being automatically adjusted |
| CN108443392A (en) * | 2018-04-28 | 2018-08-24 | 南京林业大学 | A kind of displacement correlation variable force variable damping parameter fluid linking damper |
| CN112762127A (en) * | 2021-01-25 | 2021-05-07 | 长安大学 | Composite energy dissipation and vibration reduction device |
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