CN103912623B - Flexible mechanical fluid power coupling arrangement between Medium or severe type power plant and installation foundation - Google Patents
Flexible mechanical fluid power coupling arrangement between Medium or severe type power plant and installation foundation Download PDFInfo
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- CN103912623B CN103912623B CN201410159991.8A CN201410159991A CN103912623B CN 103912623 B CN103912623 B CN 103912623B CN 201410159991 A CN201410159991 A CN 201410159991A CN 103912623 B CN103912623 B CN 103912623B
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Abstract
The invention discloses flexible mechanical fluid power coupling arrangement between a kind of Medium or severe type power plant and installation foundation, comprise rubber spring assembly, rubber spring assembly comprises shell upper body, and the external stability of shell upper body is connected with some pieces of connecting plates, and frame lower edge is stretched out in connecting plate lower end; Shell upper body is inner to be sulfided with rubber spring, upper skeleton and bolt, and upper skeleton is positioned at rubber spring central position, and bolt connects upper skeleton and rubber spring; Rubber spring and upper skeleton bottom are provided with dividing plate and fluid column passage body assembly, rubber spring and upper skeleton and the cavity between dividing plate and fluid column passage body assembly are upper liquid chamber, be shell lower body assembly below dividing plate and fluid column passage body assembly, and dividing plate and the space between fluid column passage body assembly and shell lower body assembly are lower liquid chamber, be communicated with by the fluid column passage body of dividing plate with fluid column passage body assembly between upper and lower liquid chamber; Connecting plate lower end is connected with the shell lower body top edge clamping of shell lower body assembly by bending part.
Description
Technical field
The present invention relates to flexible mechanical fluid power coupling arrangement between a kind of power plant and installation foundation, be mainly used in Medium or severe type power plant and connecting between installation foundation, supporting and vibration isolation.
Background technique
At present, for effectively supporting and vibration isolation power plant, flexible member (as gum vibration isolator and liquid resistance type vibration isolator etc.) between power plant with installation foundation, is usually adopted to connect.The size of gum vibration isolator and structure are comparatively flexible, can design for the load bearing requirements of different dynamic device, but the damping of this vibration isolator within the scope of 0-50Hz low-frequency excitation is less, be difficult to effectively isolate the low frequency large-amplitude vibration of power plant and decay.Now conventional liquid resistance type vibration isolator (as shown in Figure 1) then has relatively large low frequency retardation angle, can produce good low frequency vibration damping effect, generally be applied at present in the vibration isolation of the light power devices such as passenger car.If but when the liquid resistance type vibration isolator of this structure is directly used in the vibration isolation of Medium or severe type power plant, on the one hand because its rigidity is less, cannot bear larger static load, the power plant be difficult to having constant weight effectively support; The overall damping force that can produce on the other hand is less, is not enough to effectively decay to the dynamic load of higher magnitude.If simply amplified in proportion the liquid resistance type vibration isolator of common structure, its static bearing capacity can be strengthened, but the large damping dynamic characteristic of distinctive low frequency will be lost, thus cannot effectively decay and isolate the vibration of power plant.Meanwhile, decoupling mechanism has blocked the connection of upper and lower liquid chamber, easily causes Large travel range or the large deformation of decoupling mechanism when vibration isolator is subject to impacting under high frequency pumping, thus clashes into dividing plate and produce the damage that noise even causes decoupling mechanism.Thus Medium or severe type power plant still generally adopt gum vibration isolator to carry out supporting and vibration isolation at present, and effectiveness in vibration suppression is not good.
Summary of the invention
The object of the invention is for overcoming above-mentioned liquid resistance type vibration isolator bearing capacity less, low frequency damping is limited, be difficult to as in, heavy power plant and connecting between installation foundation, the deficiency of supporting and vibration isolation element, and when being subject under high frequency pumping impacting, easily produce the shortcoming that noise even causes decoupling mechanism to damage, there is provided in one, flexible mechanical fluid power coupling arrangement between heavy power plant and installation foundation, this equipment not only has higher bearing capacity, and the low frequency damping far above liquid resistance type vibration isolator and lower high frequency dynamic stiffness can be provided, vibration isolating effect is better, simultaneously can eliminate high-frequency work noise, avoid impact failure, improve working life, suitable to Medium or severe type power plant and connecting between installation foundation, supporting and vibration isolation element.
For achieving the above object, the present invention adopts following technical proposals:
Flexible mechanical fluid power coupling arrangement between a kind of Medium or severe type power plant and installation foundation, comprise rubber spring assembly, described rubber spring assembly comprises shell upper body, and the external stability of shell upper body is connected with some pieces of connecting plates, and shell upper body lower edge is stretched out in connecting plate lower end; Shell upper body is inner to be sulfided with rubber spring, and rubber spring top sulfides with upper skeleton and bolt, and upper skeleton is positioned at rubber spring central position, and bolt head sulfuration is in rubber spring inside, and screw rod passes from the through hole of upper skeleton both sides.
Be dividing plate and fluid column passage body assembly below rubber spring assembly, and rubber spring assembly and the cavity between dividing plate and fluid column passage body assembly are upper liquid chamber; Be shell lower body assembly below dividing plate and fluid column passage body assembly, and dividing plate and the cavity between fluid column passage body assembly and shell lower body assembly are lower liquid chamber; Be communicated with the fluid column passage body on fluid column passage body assembly by dividing plate between upper and lower liquid chamber; Connecting plate lower end is connected with the shell lower body upper flange clamping of shell lower body assembly by bending part.
Described rubber spring assembly and dividing plate and fluid column passage body component touch position seal and arrange.
Described dividing plate and fluid column passage body assembly comprise the dividing plate upper slice be riveted together, middle and bottom sheet from top to bottom, and fluid column passage body and multi-disc rubber membrane, the equal correspondence in middle part of dividing plate upper slice, middle and bottom sheet is provided with fluid column passage body through hole, fluid column passage body passes from this fluid column passage body through hole, and dividing plate upper slice center edge welds with fluid column passage body; Fluid column passage body is cylinder straight hole structure, be positioned at baffle assembly upper slice middle position and respectively to upper, protrude downwards; Dividing plate upper slice also has a rubber membrane through hole on several; In dividing plate sheet be provided with corresponding with described upper slice rubber membrane through hole in sheet rubber membrane through hole, the size of middle rubber membrane through hole is greater than a size for rubber membrane through hole, compresses and place rubber membrane in middle rubber membrane through hole, the thickness that the thickness of rubber membrane is greater than middle; The finedraw of a upper and lower connection is all opened in the centre of every sheet rubber membrane; Dividing plate bottom sheet is provided with the bottom sheet rubber pattern through hole all identical with upper slice rubber membrane number of openings, position and size.
Described shell lower body assembly comprises shell lower body, rubber counterdie and rubber sole membrane bone frame, and the outside horizontal-extending of top edge of shell lower body is configured for and the flange of connecting plate lower end by bending part clamping; Be provided with rubber counterdie above shell lower body, the edge also outside horizontal-extending formation rubber counterdie flange of rubber counterdie, rubber counterdie lug upper surface is connected with the sulfuration of rubber sole membrane bone frame, and common compacting seals; The marginal position of lower end, shell upper body, dividing plate bottom sheet, shell lower body flange and rubber counterdie flange is corresponding up and down, and is connected by the bending part clamping of connecting plate lower end; Rubber counterdie and the cavity between dividing plate and fluid column passage body assembly form lower liquid chamber.
The edge of described rubber counterdie and shell lower body contact internal walls.
Have some through holes bottom described shell lower body, bolt passes from through hole, and polished rod part and the through hole interference fit on shell lower body of bolt, the helical thread portion of bolt is in order to be connected with installation foundation.
Liquid medium is full of in described upper and lower liquid chamber.
The external overall profile of described rubber spring assembly is curved, larger pressure can be born, when effectively avoiding existing equipment pressurized, the generation of sag in the middle part of rubber spring, contributes to the shearing strain reducing rubber material, increases substantially bearing capacity and the working life of rubber spring.
Described shell upper body is protruding upward, can limit the lateral displacement space of rubber spring, prevents the damage of the excessive rubber spring that may cause of power plant lateral displacement under limited conditions.
Described upper skeleton protrudes downwards, and fluid column passage body is protruding upward, and distance therebetween both ensure that sufficient vertical deformation space, in turn ensure that the damage of the excessive rubber spring that may cause of power plant vertical deviation under limited conditions.
Protrude under all side direction of described rubber counterdie, give rubber membrane sufficient deformation space, high frequency dynamic stiffness can be reduced further, improve high-frequency vibration isolation ability.
Described rubber spring, rubber membrane and rubber counterdie are rubber material structure, and be full of liquid medium in upper and lower liquid chamber and fluid column passage body, all the other structures are metallic material.
Top of the present invention is connected with power plant, and bottom is connected with installation foundation; With usually only adopted the mounting type of 1 liquid resistance type vibration isolator in suspension system is arranged compared with in the past, when Medium or severe type power plant adopt more than 3 supporting way, 2 these equipment at least should be comprised in suspension system, and arrange relative to Power output axis almost symmetry, installation direction should perpendicular to ground, to ensure that the both sides of power plant all obtain well, uniform vibration isolating effect.
The main spring of square cone rubber of large scale, high hardness is that equipment provides sufficient enabling capabilities, the vibration of power plant by rubber spring make the liquid of device interior be placed in central authorities, large aperture, short length, fast reciprocating flowing in fluid column passage vertical up and down, the impact force that the hysteresis effect of liquid produces is contrary with the vibration force phase place of power plant, thus can obtain the large damping dynamic characteristic of low frequency; Be arranged in than ever mutually circumference, small aperture, long and narrow, bending inertia channel, in fluid column passage, the quality of liquid increases considerably, the resistance of flow of fluid significantly reduces, thus larger impact force counteracting Vibrating Load can be produced, to block the transmission of vibration, obtain better vibration isolating effect.
Under high frequency pumping, the multi-disc rubber membrane being arranged in fluid column passage body week side deforms under the pressure of liquid simultaneously, liquid near rubber membrane flows thereupon, avoid due to the dynamic hardening phenomenon of the delayed high frequency caused of flow of fluid in fluid column passage body, form the dynamic characteristic of high frequency Low rigidity; Be arranged in the single decoupling mechanism of central authorities mutually than ever, the total deformation of multi-disc rubber membrane increases considerably, and more liquid can be made with the Deformation Flow of rubber membrane, thus significantly reduces high frequency dynamic stiffness, the high-frequency vibration isolation ability of further raising equipment.
Simultaneously, rubber membrane surrounding is fixed, and only middle part can be out of shape, not with contact during dividing plate, time and situation about being separated, generation sound when dither is very little, can avoid the high frequency noise problem brought by vibration and the collision of decoupling mechanism during liquid resistance type vibration isolator work in the past.
When liquid is subject to impacting, the finedraw offered in the middle of rubber membrane can expand rapidly because of the increase of rubber membrane distortion, liquid can be made to be circulated between upper and lower liquid chamber by finedraw, avoid the phenomenon that when liquid resistance type vibration isolator under high frequency pumping is in the past subject to impacting, incidental decoupling mechanism damages; And in normal operating conditions, the distortion of rubber membrane is less, finedraw is very narrow, and liquid by finedraw flowing, can make the decoupling effect that rubber membrane remains good hardly.
Present invention eliminates liquid resistance type vibration isolator internal circumferential, long and narrow, bending inertia channel in the past, columniform fluid column passage is set at dividing plate and fluid column passage body central authorities, has increased substantially the low frequency damping of equipment; Eliminate the list group decoupling mechanism of liquid resistance type vibration isolator center of inside in the past, at fluid column passage week side layout multi-disc rubber membrane, thus the generation of the dynamic hardening phenomenon of high frequency can be avoided better; Adopt rubber membrane as decoupling mechanism and finedraw is set in centre, when avoiding the operating noise of equipment under high frequency pumping and be subject to impacting, easily causing the situation of structural failure; Change the gabarit of rubber spring into circular arc by straight line, improve rubber spring stressing conditions under heavy load; Shell upper body is upwards extended, limits the lateral displacement of rubber spring under limited conditions, prevent structural failure; Upper skeleton is designed to downward protrusion, and fluid column passage body is designed to protruding upward, both ensure that the vertical deformation space of rubber spring, can prevent again the damage of the excessive rubber spring that may cause of vertical deviation under limited conditions; Rubber counterdie week side is designed to downward protrusion, gives rubber membrane sufficient deformation space, thus high frequency dynamic stiffness can be reduced further.Thus its topological structure and function all have remarkable difference with liquid resistance type vibration isolator in the past.
In sum, the present invention has increased substantially the enabling capabilities of equipment by the rubber spring of square taper, large scale and high hardness; Simultaneously by be placed in central authorities, large aperture, short length, cylinder hole shape fluid column passage vertical up and down increased substantially the low frequency damping of equipment, the high frequency dynamic stiffness of equipment is reduced by the multi-disc rubber membrane being arranged in fluid column passage body week side, effectively prevent the generation of the dynamic hardening phenomenon of high frequency, the equipment that enhances is to the decay of dynamic load and vibration isolation capability; The high frequency noise avoiding decoupling mechanism collision by using rubber membrane and produce, by offer in the middle of the rubber membrane finedraw avoid be subject to impacting under high frequency pumping time decoupling mechanism situation about damaging; By a series of innovative Curve guide impeller of the parts such as rubber spring, shell upper body, upper skeleton, fluid column passage body and rubber counterdie improve equipment Static and dynamic performance, improve maximum load-carrying capacity, avoid limited conditions under structural failure, extend working life.Therefore this equipment can meet supporting and the vibration isolation requirement of Medium or severe type power plant simultaneously, noise is little simultaneously, reliability is high, the life-span is long, structure is relatively simple, and manufacture cost is lower, is suitable for Medium or severe type power plant and connecting between installation foundation, supporting and vibration isolation.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art liquid resistance type vibration isolator;
Fig. 2 is the structural representation of one embodiment of the invention;
Wherein 1. shell upper body, 2. rubber spring, 3. upper liquid chambers, 4. rivet, 5. rubber membrane, 6. dividing plate bottom sheet, 7. rubber counterdie, 8. shell lower body, 9. sheet in dividing plate, 10. connecting plate, 11. rubber sole membrane bone framves, 12. dividing plates upper slice and fluid column passage body, 13. upper skeletons, 14. bolts, 15. inertia channels, 16. decoupling zero dishes, 17. upper and lower liquid chamber dividing plates.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 2, flexible mechanical fluid power coupling arrangement between a kind of Medium or severe type power plant and installation foundation, comprise rubber spring assembly, described rubber spring assembly comprises shell upper body 1, top, shell upper body 1 is protruding upward, outer lower portion is fixedly connected with some pieces of connecting plates 10, and shell upper body 1 lower edge is stretched out in connecting plate 10 lower end; Shell upper body 1 is welded in advance with connecting plate 10, and rubber spring 2 sulfides with upper skeleton 13, bolt 14 and shell upper body 1, forms rubber spring assembly.Protrude downwards in the middle part of upper skeleton 13, be positioned at the central position of rubber spring 2, the sulfuration of bolt 14 head is inner at rubber spring 2, and screw rod passes from the through hole of upper skeleton 13 both sides.
Be dividing plate and fluid column passage body assembly below rubber spring assembly, and rubber spring assembly and the cavity between dividing plate and fluid column passage body assembly are upper liquid chamber 3; Be shell lower body assembly below dividing plate and fluid column passage body assembly, and dividing plate and the cavity between fluid column passage body assembly and shell lower body assembly are lower liquid chamber; Liquid medium is full of in upper and lower liquid chamber; Be communicated with the fluid column passage body on fluid column passage body assembly by dividing plate between upper and lower liquid chamber; Connecting plate 10 lower end is connected with the shell lower body 1 upper flange clamping of shell lower body assembly by bending part.Rubber spring assembly and dividing plate and fluid column passage body component touch position seal and arrange.The external overall profile of rubber spring assembly is curved, can bear larger pressure, the generation of sag in the middle part of rubber spring when effectively avoiding existing equipment pressurized.
Dividing plate upper slice and fluid column passage body 12 are welded as a whole in advance, then install successively with sheet in dividing plate 9, rubber membrane 5 and dividing plate bottom sheet 6, are linked together by rivet 4, form dividing plate and fluid column passage body assembly.The equal correspondence in middle part of dividing plate upper slice, middle and bottom sheet is provided with fluid column passage body through hole, and fluid column passage body passes from this fluid column passage body through hole, and dividing plate upper slice center edge welds with fluid column passage body; Fluid column passage body is cylinder straight hole structure, be positioned at baffle assembly upper slice middle position and respectively to upper, protrude downwards; Dividing plate upper slice also has a rubber membrane through hole on several; In dividing plate sheet be provided with corresponding with described upper slice rubber membrane through hole in sheet rubber membrane through hole, the size of middle rubber membrane through hole is greater than a size for rubber membrane through hole, compresses and place rubber membrane in middle rubber membrane through hole, the thickness that the thickness of rubber membrane is greater than middle; The finedraw of a upper and lower connection is all opened in the centre of every sheet rubber membrane; Dividing plate bottom sheet is provided with the bottom sheet rubber pattern through hole all identical with upper slice rubber membrane number of openings, position and size.
Shell lower body 8 strap bolt and rubber counterdie 7 assemble, and form shell lower body assembly.The outside horizontal-extending of top edge of shell lower body 8 is configured for and the flange of connecting plate 10 lower end by bending part clamping; Be provided with rubber counterdie 7 above shell lower body, the edge also outside horizontal-extending formation rubber counterdie flange of rubber counterdie 7, rubber counterdie lug upper surface is connected with the sulfuration of rubber sole membrane bone frame 11, and common compacting seals; The marginal position of lower end, shell upper body, dividing plate bottom sheet, shell lower body flange and rubber counterdie flange is corresponding up and down, and is connected by the bending part clamping of connecting plate 10 lower end; Rubber counterdie 7 and the cavity between dividing plate and fluid column passage body assembly form lower liquid chamber.Protrude under all side direction of rubber counterdie 7, edge and shell lower body 8 contact internal walls.Have some through holes bottom shell lower body, bolt passes from through hole, and the through hole interference fit on the polished rod part of bolt and shell lower body, the helical thread portion of bolt is in order to be connected with installation foundation.
Rubber spring 2, rubber membrane 5 and rubber counterdie 7 is rubber material structure, and be full of liquid medium in upper and lower liquid chamber and fluid column passage body, all the other structures are metallic material.
During assembling, in inverted rubber spring assembly, put into dividing plate and fluid column passage body assembly, shell lower body assembly successively, then by the bottom fold of connecting plate to shell lower body edge.
The top of the present embodiment is connected with power plant, and bottom is connected with installation foundation; With usually only adopted the mounting type of 1 liquid resistance type vibration isolator in suspension system is arranged compared with in the past, when Medium or severe type power plant adopt more than 3 supporting way, 2 these equipment at least should be comprised in suspension system, and arrange relative to Power output axis almost symmetry, installation direction should perpendicular to ground, to ensure that the both sides of power plant all obtain well, uniform vibration isolating effect.
The main spring of square cone rubber of large scale, high hardness is that equipment provides sufficient enabling capabilities, the vibration of power plant by rubber spring make the liquid of device interior be placed in central authorities, large aperture, short length, fast reciprocating flowing in fluid column passage vertical up and down, the impact force that the hysteresis effect of liquid produces is contrary with the vibration force phase place of power plant, thus can obtain the large damping dynamic characteristic of low frequency; Be arranged in than ever mutually circumference, small aperture, long and narrow, bending inertia channel 15, in fluid column passage, the quality of liquid increases considerably, the resistance of flow of fluid significantly reduces, thus larger impact force counteracting Vibrating Load can be produced, to block the transmission of vibration, obtain better vibration isolating effect.
Under high frequency pumping, the multi-disc rubber membrane being arranged in fluid column passage body week side deforms under the pressure of liquid simultaneously, liquid near rubber membrane flows thereupon, avoid due to the dynamic hardening phenomenon of the delayed high frequency caused of flow of fluid in fluid column passage body, form the dynamic characteristic of high frequency Low rigidity; Be arranged in the single decoupling zero dish 16 of central authorities mutually than ever, the total deformation of multi-disc rubber membrane increases considerably, and more liquid can be made with the Deformation Flow of rubber membrane, thus significantly reduces high frequency dynamic stiffness, the high-frequency vibration isolation ability of further raising equipment.
Simultaneously, rubber membrane surrounding is fixed, only middle part can be out of shape, not with contact during dividing plate, time and situation about being separated, generation sound when dither is very little, by the vibration of decoupling mechanism and the high frequency noise problem that brings with the collision of upper and lower liquid chamber dividing plate 17 when can avoid the work of liquid resistance type vibration isolator in the past.
When liquid is subject to impacting, the finedraw offered in the middle of rubber membrane can expand rapidly because of the increase of rubber membrane distortion, liquid can be made to be circulated between upper and lower liquid chamber by finedraw, avoid the phenomenon that when liquid resistance type vibration isolator under high frequency pumping is in the past subject to impacting, incidental decoupling mechanism damages; And in normal operating conditions, the distortion of rubber membrane is less, finedraw is very narrow, and liquid by finedraw flowing, can make the decoupling effect that rubber membrane remains good hardly.
The present embodiment eliminates the long and narrow bending inertia channel of liquid resistance type vibration isolator internal circumferential in the past, arranges columniform fluid column passage, increased substantially the low frequency damping of equipment at dividing plate and fluid column passage body central authorities; Eliminate the list group decoupling mechanism of liquid resistance type vibration isolator center of inside in the past, at fluid column passage week side layout multi-disc rubber membrane, thus the generation of the dynamic hardening phenomenon of high frequency can be avoided better; Adopt rubber membrane as decoupling mechanism and finedraw is set in centre, when avoiding the operating noise of equipment under high frequency pumping and be subject to impacting, easily causing the situation of structural failure; Change the gabarit of rubber spring into circular arc by straight line, improve rubber spring stressing conditions under heavy load; Shell upper body is upwards extended, limits the lateral displacement of rubber spring under limited conditions, prevent structural failure; Upper skeleton is designed to downward protrusion, and fluid column passage body is designed to protruding upward, both ensure that the vertical deformation space of rubber spring, can prevent again the damage of the excessive rubber spring that may cause of vertical deviation under limited conditions; Rubber counterdie week side is designed to downward protrusion, gives rubber membrane sufficient deformation space, thus high frequency dynamic stiffness can be reduced further.Thus its topological structure and function all have remarkable difference with liquid resistance type vibration isolator in the past.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technological scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (8)
1. flexible mechanical fluid power coupling arrangement between Medium or severe type power plant and installation foundation, it is characterized in that, comprise rubber spring assembly, described rubber spring assembly comprises shell upper body, the external stability of shell upper body is connected with some pieces of connecting plates, and shell upper body lower edge is stretched out in connecting plate lower end; Shell upper body is inner to be sulfided with rubber spring, and rubber spring top sulfides with upper skeleton and bolt, and upper skeleton is positioned at rubber spring central position, and bolt head sulfuration is in rubber spring inside, and screw rod passes from the through hole of upper skeleton both sides; Be dividing plate and fluid column passage body assembly below rubber spring assembly, and rubber spring assembly and the cavity between dividing plate and fluid column passage body assembly are upper liquid chamber; Be shell lower body assembly below dividing plate and fluid column passage body assembly, and dividing plate and the cavity between fluid column passage body assembly and shell lower body assembly are lower liquid chamber; Be communicated with the fluid column passage body on fluid column passage body assembly by dividing plate between upper and lower liquid chamber; Connecting plate lower end is connected with the shell lower body upper flange clamping of shell lower body assembly by bending part;
Described rubber spring assembly and dividing plate and fluid column passage body component touch position seal and arrange;
Described dividing plate and fluid column passage body assembly comprise the dividing plate upper slice be riveted together, middle and bottom sheet from top to bottom, and fluid column passage body and multi-disc rubber membrane, the equal correspondence in middle part of dividing plate upper slice, middle and bottom sheet is provided with fluid column passage body through hole, fluid column passage body passes from above-mentioned fluid column passage body through hole, and dividing plate upper slice center edge welds with fluid column passage body; Fluid column passage body is cylinder straight hole structure, be positioned at dividing plate upper slice middle position and respectively to upper, protrude downwards; Dividing plate upper slice also has a rubber membrane through hole on several; In dividing plate sheet be provided with corresponding with described upper slice rubber membrane through hole in sheet rubber membrane through hole, the size of middle rubber membrane through hole is greater than a size for rubber membrane through hole, compresses and place rubber membrane in middle rubber membrane through hole, the thickness that the thickness of rubber membrane is greater than middle; The finedraw of a upper and lower connection is all opened in the centre of every sheet rubber membrane; Dividing plate bottom sheet is provided with the bottom sheet rubber pattern through hole all identical with upper slice rubber membrane number of openings, position and size.
2. flexible mechanical fluid power coupling arrangement between Medium or severe type power plant and installation foundation as claimed in claim 1, it is characterized in that, described shell lower body assembly comprises shell lower body, rubber counterdie and rubber sole membrane bone frame, and the outside horizontal-extending of top edge of shell lower body is configured for and the flange of connecting plate lower end by bending part clamping; Be provided with rubber counterdie above shell lower body, the edge also outside horizontal-extending formation rubber counterdie flange of rubber counterdie, rubber counterdie lug upper surface is connected with the sulfuration of rubber sole membrane bone frame, and common compacting seals; The marginal position of lower end, shell upper body, dividing plate bottom sheet, shell lower body flange and rubber counterdie flange is corresponding up and down, and is connected by the bending part clamping of connecting plate lower end; Rubber counterdie and the cavity between dividing plate and fluid column passage body assembly form lower liquid chamber.
3. flexible mechanical fluid power coupling arrangement between Medium or severe type power plant and installation foundation as claimed in claim 2, is characterized in that, the edge of described rubber counterdie and shell lower body contact internal walls.
4. flexible mechanical fluid power coupling arrangement between Medium or severe type power plant and installation foundation as claimed in claim 2, is characterized in that there are some through holes bottom described shell lower body, the bolt light rod place be connected with installation foundation and each through hole interference fit.
5. flexible mechanical fluid power coupling arrangement between Medium or severe type power plant and installation foundation as claimed in claim 1, is characterized in that, be full of liquid medium in described upper and lower liquid chamber.
6. flexible mechanical fluid power coupling arrangement between Medium or severe type power plant and installation foundation as claimed in claim 1, it is characterized in that, the external overall profile of described rubber spring assembly is curved.
7. flexible mechanical fluid power coupling arrangement between Medium or severe type power plant and installation foundation as claimed in claim 1, it is characterized in that, described shell upper body is protruding upward, and upper skeleton protrudes downwards.
8. flexible mechanical fluid power coupling arrangement between Medium or severe type power plant and installation foundation as claimed in claim 2, is characterized in that, protrudes under described rubber counterdie week side direction.
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| CN201410159991.8A CN103912623B (en) | 2014-04-21 | 2014-04-21 | Flexible mechanical fluid power coupling arrangement between Medium or severe type power plant and installation foundation |
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| CN201410159991.8A CN103912623B (en) | 2014-04-21 | 2014-04-21 | Flexible mechanical fluid power coupling arrangement between Medium or severe type power plant and installation foundation |
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| CN103912623B true CN103912623B (en) | 2015-12-30 |
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| US4708329A (en) * | 1984-02-27 | 1987-11-24 | Nissan Motor Co., Ltd. | Fluid-filled power unit mount device |
| US4739962A (en) * | 1984-02-21 | 1988-04-26 | Honda Giken Kogyo Kabushiki Kaisha | Vibration isolator |
| US4781362A (en) * | 1986-09-26 | 1988-11-01 | Boge Gmbh | Hydraulically damping elastic bearing |
| US5112032A (en) * | 1991-01-09 | 1992-05-12 | General Motors Corporation | Hydraulic mount with triple decouplers |
| US5273262A (en) * | 1992-06-15 | 1993-12-28 | General Motors Corporation | Hydraulic mount with low amplitude, low-to-medium frequency vibration isolation |
| US5687959A (en) * | 1995-04-29 | 1997-11-18 | Firma Carl Freudenberg | Hydraulically damping rubber bearing |
| DE20320786U1 (en) * | 2003-11-27 | 2005-04-07 | Freudenberg Carl Kg | Hydrosupport comprises a spring element which is made of a material resistant to high temperatures, and accommodates polyalkylene glycol with a specified molar mass and a specified temperature tolerance |
| CN203836068U (en) * | 2014-04-21 | 2014-09-17 | 山东大学 | Flexible mechanical hydraulic connecting device between medium- and heavy-type powder devices and installation foundation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6018632A (en) * | 1983-07-11 | 1985-01-30 | Bridgestone Corp | Vibration isolator |
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2014
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4159091A (en) * | 1976-06-30 | 1979-06-26 | Automobiles Peugeot | Damper device, in particular for the suspension of an engine |
| US4739962A (en) * | 1984-02-21 | 1988-04-26 | Honda Giken Kogyo Kabushiki Kaisha | Vibration isolator |
| US4708329A (en) * | 1984-02-27 | 1987-11-24 | Nissan Motor Co., Ltd. | Fluid-filled power unit mount device |
| US4781362A (en) * | 1986-09-26 | 1988-11-01 | Boge Gmbh | Hydraulically damping elastic bearing |
| US5112032A (en) * | 1991-01-09 | 1992-05-12 | General Motors Corporation | Hydraulic mount with triple decouplers |
| US5273262A (en) * | 1992-06-15 | 1993-12-28 | General Motors Corporation | Hydraulic mount with low amplitude, low-to-medium frequency vibration isolation |
| US5687959A (en) * | 1995-04-29 | 1997-11-18 | Firma Carl Freudenberg | Hydraulically damping rubber bearing |
| DE20320786U1 (en) * | 2003-11-27 | 2005-04-07 | Freudenberg Carl Kg | Hydrosupport comprises a spring element which is made of a material resistant to high temperatures, and accommodates polyalkylene glycol with a specified molar mass and a specified temperature tolerance |
| CN203836068U (en) * | 2014-04-21 | 2014-09-17 | 山东大学 | Flexible mechanical hydraulic connecting device between medium- and heavy-type powder devices and installation foundation |
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|---|---|
| CN103912623A (en) | 2014-07-09 |
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