CN210106258U - Marine oil station horizontal pump package is detained type vibration isolation backing ring again - Google Patents

Abstract

The utility model discloses a marine oil station horizontal pump group refastening type vibration isolation cushion ring, which comprises a group, a seat ring and a plurality of connecting bolts, wherein the group ring comprises two compression rings, a middle ring, two disc rings, two bearing rings, two snap rings and two snap rings, which are vertically arranged on a coaxial line; the utility model is organically connected with the pump unit and the oil tank into a whole, each ring is nested with the trapezoidal convex shoulder and the trapezoidal groove, and the vertical vibration force is partially dispersed to the horizontal direction and is converted into heat energy; all there are separation cavity and clearance between each ring terminal surface, and vertical vibrational force can not direct vertical transmission, and the material difference of adjacent ring can produce additional vertical and horizontal shear and consume the vibration energy moreover, makes the vibration obtain the decay effectively, the utility model discloses both alleviateed the vibration of pump package self and alleviateed the environment betterly right the utility model discloses bear the vibration of pump package. The utility model discloses can alleviate vibration noise more than 12 ~ 15 decibels, except being used for boats and ships, also can be applied to land and automobile-used, gain good social and economic benefits.

Description

Marine oil station horizontal pump package is detained type vibration isolation backing ring again

Technical Field

The utility model relates to a horizontal pump package of marine oil station is detained type vibration isolation backing ring again, in particular to horizontal pump package of marine oil station is detained type vibration isolation backing ring again with fire prevention function belongs to boats and ships damping technical field.

Background

The marine hydraulic pump station is used for carrying out mission tasks for ships, and personnel provide and convey various continuous pressure liquids for normal life and work, such as lubricating oil for a main engine and an auxiliary engine; providing hydraulic oil for the control systems of the main machine and the auxiliary machine; providing hydraulic oil for the controllable pitch propeller; providing pressure liquid and lubricating oil for deck machinery such as steering engines, anchor machines, cranes and the like; … …, and the like. However, as the marine hydraulic pump station pump set is a moving machine for conveying power fluid, large mechanical vibration and noise exist, and the mechanical vibration and noise can cause severe environments of a working place and a mechanical place, so that the oil station and the pump set are affected and damaged, other equipment is adversely affected and damaged, physical and psychological damage is caused to crews, a mission can not be normally completed by a ship in serious cases, the stealth of a military ship is particularly not facilitated, and the operational capacity of the battle naval ship is severely restricted.

In view of this, the vibration and noise of the hydraulic pump station for the ship are mainly reduced from the following four aspects in the technical field of ship vibration reduction at present, and the structural design of a pump group (mainly a pump and a prime motor) and an oil tank of the oil station is improved; secondly, the manufacturing precision of the pump group of the hydraulic pump station is improved; thirdly, an independent shock absorber is additionally arranged between a pump set of the marine hydraulic pump station and an oil tank mounting base; fourthly, a rubber damping sealing ring gasket is additionally arranged. However, both the first and second methods do not prevent environmental and other equipment vibrations from affecting the pump stack and are costly to design and manufacture (which is also one of the main directions of vibration and noise reduction efforts at present); in the third method, as the service life is prolonged, the shock absorber can gradually reduce the shock absorption efficiency; the fourth method is not suitable for places with fire protection requirements.

In view of the above, a novel vibration isolation device needs to be designed to reduce the vibration noise of the pump set and meet the fireproof requirement of the oil station.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can alleviate vibration noise more than 12 ~ 15 decibels for the oil station pump package, have the marine oil station horizontal pump package of fire prevention function detain type vibration isolation backing ring again.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a marine oil station horizontal pump unit double-buckled vibration isolation cushion ring is arranged between a top plate of an oil tank and an installation seat plate of a pump unit; the oil tank structure comprises a group ring, a seat ring and a plurality of connecting bolts, wherein the bottom of the seat ring is fixed on a top plate of the oil tank, the group ring is fixed between an installation seat plate of the pump group and the seat ring, and the installation seat plate, the group ring and the seat ring of the pump group are connected together by the connecting bolts; the group ring comprises two compression rings, an intermediate ring, two disc rings, two bearing rings, two clamping rings and two retaining rings which are coaxially and vertically arranged; wherein,

the two pressure rings are respectively connected to the seat ring and the mounting seat plate of the pump unit;

the intermediate ring is arranged between the two compression rings, and compression ring grooves and intermediate ring grooves are respectively formed in the surfaces, opposite to each other, of the compression rings and the intermediate ring;

the bearing ring is limited in the pressure ring groove, and the clamping ring is limited in the middle ring groove;

the force bearing ring and the snap ring are connected with the snap ring in a groove snap manner;

the disc ring is arranged between the bearing ring and the inner groove wall of the pressing ring groove of the pressing ring;

a plurality of frequency modulation holes with different sizes are formed in the horizontal neutral surface of the middle ring along the circumference, and the natural frequency of the middle ring can be adjusted through the frequency modulation holes; the plane shape of the disc ring is a wave shape distributed along the perimeter; by adjusting the tightness of the connecting bolts, the overall natural frequency of the set of rings can be changed.

Further, preferably, the cross-sectional shapes of the pressure ring groove and the intermediate ring groove are both trapezoidal; the cross section of the bearing ring is also trapezoidal, a bearing ring embedding groove with a rectangular cross section is formed in the end face of the small end of the bearing ring along the circumferential direction, and a bearing ring groove with a trapezoidal cross section is formed in the end face of the large end of the bearing ring along the circumferential direction; a retaining ring A convex shoulder with a trapezoidal cross section is arranged on the end face of one end of the retaining ring along the circumferential direction, and a retaining ring B convex shoulder with a trapezoidal cross section is arranged on the end face of the other end of the retaining ring along the circumferential direction; the cross-sectional shape of snap ring is trapezoidal, and it is trapezoidal snap ring recess to open along circumference on its main aspects terminal surface.

Further, preferably, the disc ring is embedded in a bearing ring embedding groove of the trapezoidal structure of the bearing ring; the bearing ring is embedded in a pressure ring groove of the pressure ring; the convex shoulder of the retaining ring A is embedded in the bearing ring groove of the bearing ring; a convex shoulder of the snap ring B of the snap ring is embedded in the snap ring groove of the snap ring; the snap ring is embedded in the intermediate ring groove of the intermediate ring.

Further, as preferred, the connecting bolt includes mounting bolt and stack bolt, and wherein, mounting bolt passes through from the centre of clamping ring recess, intermediate ring recess, bearing ring, snap ring.

Preferably, the cross section of the vibration isolation pad ring is rectangular, the shape of the vibration isolation pad ring is a rectangular annular structure, and four corners of the vibration isolation pad ring are in natural transition in an arc R.

Further, preferably, the bottom of the nesting between the pressure ring and the bearing ring and between the pressure ring and the disc ring are provided with pressure sleeve cavities; an outer transition cavity is arranged at the bottom of a nesting between the bearing ring and the retaining ring, and an inner transition cavity is arranged at the bottom of the nesting between the retaining ring and the retaining ring; a middle cavity is arranged at the bottom of the nesting between the snap ring and the middle ring; blocking gaps are arranged between the intermediate ring and the pressure ring and between the clamping ring and the force bearing ring.

Further, preferably, the number of the connecting bolts is an integral multiple.

Further, preferably, the planar shape of the disc ring is a wave shape distributed along the circumference, the wave crests or the wave troughs are located at the mounting bolt holes and the stack bolt holes, the wave troughs are located at the stack bolt holes when the wave crests are located at the mounting bolt holes, and the wave crests are located at the stack bolt holes when the wave troughs are located at the mounting bolt holes.

Further, preferably, the compression ring and the intermediate ring are made of nodular cast iron or vibration reduction alloy; the bearing ring, the retaining ring and the clamping ring are made of graphite or nodular cast iron or pure iron or vibration reduction alloy or high-elastic rubber or alloy aluminum; the seat ring is made of carbon steel or vibration-damping alloy; the disc ring is made of spring steel; the connecting bolt is made of carbon steel or vibration reduction alloy.

Preferably, the press ring and the bearing ring are made of different materials, the bearing ring and the snap ring are made of different materials, the snap ring and the snap ring are made of different materials, and the snap ring and the intermediate ring are made of different materials.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model adopts a structure that the press ring, the disc ring, the bearing ring, the snap ring, the intermediate ring, the snap ring, the bearing ring, the disc ring and the press ring are sequentially connected by the conical surface in a pressing way, and the conical surface nesting structure can disperse the vertical vibration force to one part in the inner and outer horizontal directions of the lantern ring; for the pressure ring and the intermediate ring, the inner side wall of the pressure ring and the intermediate ring is subjected to horizontal inward vibration force, the outer side wall of the pressure ring and the intermediate ring is subjected to horizontal outward vibration force, the two vibration forces are distributed along the circumference, the vibration forces are equal in magnitude and opposite in direction, internal consumption is formed, and vibration mechanical energy in the horizontal direction is converted into heat energy to be dissipated into the air, so that the vibration reduction effect is achieved; for the snap ring, the inner side wall and the outer side wall of the snap ring are subjected to extrusion vibration force, the extrusion vibration force is dispersed to a part in the horizontal direction through the conical surface, the horizontal vibration force is distributed along the circumference, the horizontal vibration force is equal in size and opposite in direction, internal consumption is formed, and vibration mechanical energy in the horizontal direction is converted into heat energy to be emitted to the air, so that the vibration reduction effect is achieved; for the retaining ring, the inner side of the retaining ring is subjected to horizontally outward extrusion vibration force, the outer side of the retaining ring is subjected to horizontally inward extrusion vibration force, the two horizontal vibration forces are distributed along the circumference, the two horizontal vibration forces are equal in size and opposite in direction, internal consumption is formed, and vibration mechanical energy in the horizontal direction is converted into heat energy to be diffused into air, so that the vibration reduction effect is achieved; furthermore, due to the effects of the pressing sleeve cavity, the outer transition cavity, the inner transition cavity, the middle cavity and the blocking gap, the direct transmission of the vertical vibration force is blocked, the vertical vibration force is bent for multiple times to change the direction, the transmission path of the vibration force is prolonged, and the vibration damping effect is achieved; furthermore, because the adjacent sub-rings are made of different materials and are in the same horizontal plane, vibration force is not uniformly distributed, shearing forces in the horizontal plane are necessarily generated, the shearing forces are internal forces, and the work is converted into heat to be dissipated into the air, so that the vibration reduction effect is achieved; because the conical surface nesting is adopted between the adjacent branched rings, the sectional areas of the same ring on different horizontal sections are not equal, so that the vibration forces of different sections are not equal, vertical and horizontal shearing forces are inevitably generated, and the work of the shearing forces is converted into heat to be radiated into the air, thereby playing the role of vibration reduction; the natural vibration frequencies of the rings are different due to different materials and structures among the rings, and the natural frequency of the middle ring can be adjusted through the frequency modulation holes, so that the vibration is further attenuated; meanwhile, as the disc ring has elasticity stronger than that of other sub-rings, the integral natural frequency of the group ring can be effectively changed by adjusting the tightness of the group bolt and the mounting bolt, so that the vibration is further attenuated; then the reuse passes a plurality of stack bolts of stack bolt hole and links into an organic whole with set ring (not including the clamping ring of lower part) with pump package installation base, and the reuse passes a plurality of construction bolts of construction bolt hole and with set ring (not including the clamping ring on upper portion) precession installation screw hole with set ring and seat ring connection one-piece, and the not lug connection's between the clamping ring of lower part and the clamping ring on upper portion structure has prolonged the route through construction bolt transmission vibration power greatly in this kind of stack, has increased the damping to vibration has been reduced. Under the combined action of above-mentioned measure, both alleviateed the vibration noise of oil station pump package self and alleviateed environment and other equipment vibration betterly right the utility model discloses bear the vibration influence of pump package. The utility model discloses can alleviate vibration noise more than 12 ~ 15 decibels.

2. The utility model discloses also can be used to independent horizontal pump package, oil tank and oil tank roof are replaced by base and base panel this moment.

3. The utility model can be used for ships, land and vehicles; all obtain good social and economic benefits.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic top view of the stack ring 30 and the seat ring 60 of the present invention;

fig. 3 and 4 are schematic structural diagrams of a top view and a sectional view a-a of the pressure ring 31 according to the present invention, respectively;

fig. 5 and 6 are schematic structural diagrams of a top view and a cross-sectional view B-B of the intermediate ring 32 according to the present invention, respectively;

fig. 7 and 8 are schematic structural diagrams of a top view and a C-C section of the force bearing ring 35 of the present invention, respectively;

fig. 9 and 10 are schematic structural views of the top view and the D-D cross-section of the retaining ring 36 according to the present invention;

fig. 11 and 12 are schematic structural diagrams of the disc ring 34 in a top view and a cross-sectional view E-E in an expanded manner, respectively;

fig. 13 and 14 are schematic structural diagrams of a top view and a cross-sectional view F-F of the snap ring 37 according to the present invention, respectively;

fig. 15 and 16 are schematic structural views of a top view and a G-G cross-section of the seat ring 60 according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 16, in order to provide a double-buckled vibration isolation gasket ring for a horizontal pump unit of a marine oil station, the vibration isolation gasket ring is installed between a top plate 11 of an oil tank 10 and an installation seat plate 21 of a pump unit 20; the fuel tank assembly comprises a group ring 30, a seat ring 60 and a plurality of connecting bolts, wherein the bottom of the seat ring 60 is fixed on a top plate 11 of the fuel tank 10, the group ring 30 is fixed between an installation seat plate 21 of the pump group 20 and the seat ring 60, and the installation seat plate 21 of the pump group 20, the group ring 30 and the seat ring 60 are connected together by the connecting bolts; the connecting bolt comprises a mounting bolt 50 and a set bolt 40, wherein the mounting bolt 50 penetrates through the centers of the pressing ring groove 311, the middle ring groove 321, the force bearing ring 35 and the clamping ring 37, a mounting threaded hole 61 is formed in the seat ring 60, the seat ring 60 is fixedly welded on the top plate 11 of the oil tank 10, and the set ring 30 comprises two pressing rings 31, a middle ring 32, two disc rings 34, two force bearing rings 35, two clamping rings 37 and two retaining rings 36 which are vertically arranged coaxially; wherein, the press ring 31, the intermediate ring 32, the disc ring 34, the bearing ring 35, the snap ring 37 and the snap ring 36 are respectively provided with an installation bolt hole 51 and a group bolt hole 41; the mounting seat plate 21 of the pump unit 20 is provided with a stack bolt hole 41.

The two compression rings 31 are respectively connected to the seat ring 60 and the mounting seat plate 21 of the pump stack 20; the intermediate ring 32 is arranged between the two pressing rings 31, and the opposite surfaces between the pressing rings 31 and the intermediate ring 32 are respectively provided with a pressing ring groove 311 and an intermediate ring groove 321; the bearing ring 35 is limited in the pressure ring groove 311, and the snap ring 37 is limited in the middle ring groove 321; a retaining ring 36 is arranged between the bearing ring 35 and the retaining ring 37 in a groove clamping connection manner; the disc ring 34 is arranged between the bearing ring 35 and the inner groove wall of the pressing ring groove 311 of the pressing ring 31; a plurality of frequency modulation holes 322 with different sizes are uniformly formed in the horizontal neutral surface of the middle ring 32 along the circumference, and the natural frequency of the middle ring 32 can be adjusted through the frequency modulation holes 322; the planar shape of the disc ring 34 is a wave shape distributed along the circumference; by adjusting the tightness of the attachment bolts, the overall natural frequency of the stack 30 can be changed.

Specifically, the cross-sectional shapes of the pressure ring groove 311 and the intermediate ring groove 321 are both trapezoidal; the cross section of the bearing ring 35 is also trapezoidal, a bearing ring embedding groove 352 with a rectangular cross section is formed in the end face of the small end of the bearing ring along the circumferential direction, and a bearing ring groove 351 with a trapezoidal cross section is formed in the end face of the large end of the bearing ring along the circumferential direction; one end of the retaining ring 36 is provided with a retaining ring A convex shoulder 361 with a trapezoidal cross section, and the other end is provided with a retaining ring B convex shoulder 362 with a trapezoidal cross section; the cross-sectional shape of the snap ring 37 is trapezoidal, and a snap ring groove 371 with a trapezoidal cross-sectional shape is formed in the end face of the large end of the snap ring along the circumferential direction.

In the present embodiment, the disk ring 34 is embedded in the force bearing ring embedding groove 352 of the trapezoidal structure of the force bearing ring 35; the bearing ring 35 is embedded in the pressing ring groove 311 of the pressing ring 31; the shoulder 361 of the retaining ring 36 is embedded in the bearing ring groove 351 of the bearing ring 35; the snap ring B shoulder 362 of the snap ring 36 is fitted in the snap ring groove 371 of the snap ring 37; the snap ring 37 is fitted in the intermediate ring groove 321 of the intermediate ring 32.

As shown in fig. 1, the stack rings 30 of the present invention are nested from bottom to top in the following order: the pump unit comprises a pressing ring 31, a disc ring 34, a bearing ring 35, a retaining ring 36, a retaining ring 37, an intermediate ring 32, a retaining ring 37, a retaining ring 36, a bearing ring 35, a disc ring 34, a pressing ring 31 and an installation seat plate 21 of the pump unit 20, and then the pressing ring 31, the installation seat plate 21 of the pump unit 20 and the pressing ring are connected into a whole by adopting a plurality of set bolts 40 (without the pressing ring 31 at the lower part) penetrating through set bolt holes 41; the lower end surface of the lower compression ring 31 is aligned with the upper end surface of the seat ring 60, and the set ring 30 (excluding the upper compression ring 31) and the seat ring 60 are integrally connected by screwing a plurality of mounting bolts 50, which pass through the mounting bolt holes 51, into the mounting threaded holes 61.

As shown in fig. 2, the retainer ring 30 has a rectangular ring-shaped configuration, four corners of which are naturally transited by an arc R, and a plurality of mutually intersecting retainer bolt holes 41 and a plurality of mounting bolt holes 51 are equally formed in an end surface thereof along a circumferential direction, and in this embodiment, 8 retainer bolt holes 41 and 8 mounting bolt holes 51 are formed.

As a preferred embodiment, the cross section of the vibration isolation pad ring of the present invention is rectangular, and the shape of the vibration isolation pad ring is a rectangular ring structure, and four corners of the vibration isolation pad ring are naturally transited by an arc R.

As shown in fig. 3 and 4, a pressing ring groove 311 with a trapezoidal cross section is formed in the end face of one end of the pressing ring 31 along the circumferential direction, and the pressing ring 31 is made of ductile iron or damping alloy.

As shown in fig. 5 and 6, the end faces of the two ends of the intermediate ring 32 are respectively provided with intermediate ring grooves 321 with trapezoidal cross-sectional shapes along the circumferential direction, the horizontal neutral surface is equally provided with a plurality of frequency modulation holes 322 with different sizes along the circumferential length, and the intermediate ring 32 is made of ductile cast iron or damping alloy.

As shown in fig. 7 and 8, the shape of the cross section of the bearing ring 35 is trapezoidal, a bearing ring embedding groove 352 with a rectangular cross section is formed on the small end face of the bearing ring along the circumferential direction, a bearing ring groove 351 with a trapezoidal cross section is formed on the large end face of the bearing ring along the circumferential direction, the bearing ring is made of graphite, nodular cast iron, pure iron or damping alloy, and the bearing ring can be made of high-elastic rubber or alloy aluminum in places without fireproof requirements.

As shown in fig. 9 and 10, one end of the retaining ring 36 is a retaining ring a shoulder 361 with a trapezoidal cross-sectional shape, and the other end is a retaining ring B shoulder 362 with a trapezoidal cross-sectional shape, which is made of graphite, ductile iron, damping alloy or pure iron, and may be made of high-elastic rubber or alloy aluminum in places without fire protection requirements.

As shown in fig. 11 and 12, the planar shape of the disc ring 34 is a wave shape distributed along the circumference, and the wave crests or the wave troughs are located at the mounting bolt holes 51 and the stack bolt holes 41, and when the wave crests are located at the mounting bolt holes 51, the wave troughs are located at the stack bolt holes 41, whereas when the wave troughs are located at the mounting bolt holes 51, the wave crests are located at the stack bolt holes 41, and the material is spring steel.

As shown in fig. 13 and 14, the cross-sectional shape of the snap ring 37 is trapezoidal, and a snap ring groove 371 with a trapezoidal cross-sectional shape is formed on the end surface of the large end of the snap ring along the circumferential direction, and the snap ring is made of graphite, nodular cast iron, damping alloy or pure iron, and can be made of high-elasticity rubber or alloy aluminum in places without fireproof requirements.

As shown in fig. 15 and 16, the seat ring 60 has mounting threaded holes 61, 8 threaded holes 61 in this embodiment, and is made of carbon steel.

As shown in fig. 1 and 2, the number of the set bolts 40 is an integral multiple of 4 and is greater than or equal to 4; the number of the mounting bolts 50 is integral multiple of 4, and is more than or equal to the number of the set bolts 40; the present embodiment has 8 gang bolts 40 and 8 mounting bolts 50; the material of the stack bolts 40 and the mounting bolts 50 is carbon steel or damping alloy.

As shown in fig. 1, 7, 8, 11 and 12, the disk ring 34 is inserted into the force-bearing ring insertion groove 352 of the force-bearing ring 35.

As shown in fig. 1, fig. 3, fig. 4, fig. 7 and fig. 8, the force bearing ring 35 is embedded in the pressing ring groove 311 of the pressing ring 31, and the pressing sleeve cavity 71 is left at the bottom thereof.

As shown in fig. 1, fig. 7 to 10, fig. 13 and fig. 14, a shoulder 361 of the retaining ring a of the retaining ring 36 is embedded in the bearing ring groove 351 of the bearing ring 35, and an outer transition cavity 72 is left at the bottom of the retaining ring; the retaining ring B shoulder 362 of the retaining ring 36 fits into the retaining ring groove 371 of the retaining ring 37 leaving an internal transition cavity 721 at the bottom.

As shown in fig. 1, 5, 6 and 13, 14, the snap ring 37 is inserted into the intermediate ring groove 321 of the intermediate ring 32, leaving the intermediate cavity 74 at the bottom.

As shown in fig. 1, blocking gaps 73 are formed between the intermediate ring 32 and the pressing ring 31 and between the snap ring 37 and the force bearing ring 35.

The utility model discloses a marine horizontal pump package of oil station is detained type vibration isolation backing ring's theory of operation and advantage as follows:

the utility model adopts a structure that the press ring 31, the disc ring 34, the bearing ring 35, the retaining ring 36, the snap ring 37, the intermediate ring 32, the snap ring 37, the retaining ring 36, the bearing ring 35, the disc ring 34 and the press ring 31 are sequentially connected by conical surface compression, and the conical surface nesting structure can disperse a part of vertical vibration force to the inner and outer horizontal directions of the lantern ring 30; for the pressure ring 31 and the intermediate ring 32, the inner side wall is subjected to horizontal inward vibration force, the outer side wall is subjected to horizontal outward vibration force, the two vibration forces are distributed along the circumference, the two vibration forces have equal magnitude and opposite directions, internal consumption is formed, and the vibration mechanical energy in the horizontal direction is converted into heat energy to be dissipated into the air, so that the vibration reduction effect is achieved; for the snap ring 37, the inner side wall and the outer side wall of the snap ring are subjected to extrusion vibration force, the extrusion vibration force is dispersed to a part in the horizontal direction through the conical surface, the horizontal vibration force is distributed along the circumference, the horizontal vibration force is equal in magnitude and opposite in direction, internal consumption is formed, and vibration mechanical energy in the horizontal direction is converted into heat energy to be emitted to the air, so that the vibration reduction effect is achieved; for the retaining ring 36, the inner side is subjected to horizontal outward extrusion vibration force, the outer side is subjected to horizontal inward extrusion vibration force, the two horizontal vibration forces are distributed along the circumference, the two horizontal vibration forces have equal magnitude and opposite directions, internal consumption is formed, and the vibration mechanical energy in the horizontal direction is converted into heat energy to be emitted into air, so that the vibration reduction effect is achieved; furthermore, due to the effects of the pressing sleeve cavity 71, the outer transition cavity 72, the inner transition cavity 721, the middle cavity 74 and the blocking gap 73, the direct transmission of the vertical vibration force is blocked, the vertical vibration force is bent for multiple times to change the direction, the transmission path of the vibration force is prolonged, and the vibration damping effect is achieved; furthermore, because the adjacent sub-rings are made of different materials and are in the same horizontal plane, vibration force is not uniformly distributed, shearing forces in the horizontal plane are necessarily generated, the shearing forces are internal forces, and the work is converted into heat to be dissipated into the air, so that the vibration reduction effect is achieved; because the conical surface nesting is adopted between the adjacent branched rings, the sectional areas of the same ring on different horizontal sections are not equal, so that the vibration forces of different sections are not equal, vertical and horizontal shearing forces are inevitably generated, and the work of the shearing forces is converted into heat to be radiated into the air, thereby playing the role of vibration reduction; the natural vibration frequencies of the rings are different due to different materials and structures, and the natural frequency of the middle ring 32 can be adjusted by the frequency modulation hole 322, so that the vibration is further attenuated; meanwhile, as the disc ring 34 has elasticity stronger than that of other sub-rings, the integral natural frequency of the group ring 30 can be effectively changed by adjusting the tightness of the group bolt 40 and the mounting bolt 50, so that the vibration is further attenuated; then, the pump unit mounting base 21 and the unit ring 30 (excluding the lower pressure ring 31) are connected into a whole by a plurality of unit bolts 40 penetrating through the unit bolt holes 41, the unit ring 30 (excluding the upper pressure ring 31) is screwed into the mounting threaded holes 61 by a plurality of mounting bolts 50 penetrating through the mounting bolt holes 51 to connect the unit ring 30 and the seat ring 60 into a whole, and the structure that the lower pressure ring 31 and the upper pressure ring 31 in the unit ring are not directly connected greatly prolongs the path for transmitting the vibration force through the mounting bolts, increases the damping and reduces the vibration. Under the comprehensive action of the measures, the vibration noise of the oil station pump set is reduced, and the vibration influence of the environment and other equipment on the bearing pump set is well reduced. The utility model discloses can alleviate vibration noise more than 12 ~ 15 decibels. The utility model discloses also can be used to independent horizontal pump package, oil tank and oil tank roof are replaced by base and base panel this moment. The utility model can be used for ships, land and vehicles; all obtain good social and economic benefits.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A marine oil station horizontal pump set double-buckled vibration isolation cushion ring is arranged between a top plate (11) of an oil tank (10) and an installation seat plate (21) of a pump set (20); the vibration isolation cushion ring is characterized by comprising a group ring (30), a seat ring (60) and a plurality of connecting bolts, wherein the bottom of the seat ring (60) is fixed on a top plate (11) of the oil tank (10), the group ring (30) is fixed between an installation seat plate (21) of the pump group (20) and the seat ring (60), and the installation seat plate (21) of the pump group (20), the group ring (30) and the seat ring (60) are connected together through the connecting bolts; the group ring (30) comprises two compression rings (31), an intermediate ring (32), two disc rings (34), two bearing rings (35), two snap rings (37) and two snap rings (36) which are coaxially and vertically arranged;

the two compression rings (31) are respectively connected to the seat ring (60) and the mounting seat plate (21) of the pump unit (20);

the intermediate ring (32) is arranged between the two pressing rings (31), and the opposite surfaces between the pressing rings (31) and the intermediate ring (32) are respectively provided with a pressing ring groove (311) and an intermediate ring groove (321);

the bearing ring (35) is limited in the pressure ring groove (311), and the snap ring (37) is limited in the middle ring groove (321);

the force bearing ring (35) and the snap ring (37) are connected with the snap ring (36) in a groove clamping manner;

the disc ring (34) is arranged between the bearing ring (35) and the inner groove wall of the pressing ring groove (311) of the pressing ring (31);

a plurality of frequency modulation holes (322) with different sizes are formed in the horizontal neutral plane of the middle ring (32) along the circumference, and the natural frequency of the middle ring (32) can be adjusted through the frequency modulation holes (322); the plane shape of the disc ring (34) is a wave shape distributed along the circumference; by adjusting the tightness of the connecting bolts, the overall natural frequency of the set of rings (30) can be changed.

2. The marine oil station horizontal pump group double-buckled vibration isolation gasket ring as claimed in claim 1, wherein the cross-sectional shapes of the pressure ring groove (311) and the middle ring groove (321) are both trapezoidal; the cross section of the bearing ring (35) is also trapezoidal, a bearing ring embedding groove (352) with a rectangular cross section is formed in the end face of the small end of the bearing ring along the circumferential direction, and a bearing ring groove (351) with a trapezoidal cross section is formed in the end face of the large end of the bearing ring along the circumferential direction; a retaining ring A convex shoulder (361) with a trapezoidal cross section is arranged on the end face of one end of the retaining ring (36) along the circumferential direction, and a retaining ring B convex shoulder (362) with a trapezoidal cross section is arranged on the end face of the other end of the retaining ring along the circumferential direction; the cross-sectional shape of snap ring (37) is trapezoidal, and its main aspects is opened along circumference on the terminal surface and is equipped with cross-sectional shape and is trapezoidal snap ring recess (371).

3. The marine oil station horizontal pump group double-buckled vibration isolation gasket ring as claimed in claim 1, wherein the disc ring (34) is embedded in a force bearing ring embedding groove (352) of a trapezoidal structure of the force bearing ring (35); the bearing ring (35) is embedded in a pressure ring groove (311) of the pressure ring (31); a shoulder (361) of the retaining ring A of the retaining ring (36) is embedded in a bearing ring groove (351) of the bearing ring (35); a retaining ring B shoulder (362) of the retaining ring (36) is embedded in a retaining ring groove (371) of the retaining ring (37); the snap ring (37) is embedded in the intermediate ring groove (321) of the intermediate ring (32).

4. The marine oil station horizontal pump group double-buckled vibration isolation gasket ring according to claim 1, wherein the connecting bolt comprises a mounting bolt (50) and a set bolt (40), wherein the mounting bolt (50) penetrates through the centers of the pressure ring groove (311), the middle ring groove (321), the force bearing ring (35) and the clamping ring (37).

5. The marine oil station horizontal pump package multi-buckled vibration isolation gasket ring of claim 1, wherein the cross section of the vibration isolation gasket ring is rectangular, the shape of the vibration isolation gasket ring is a rectangular annular structure, and four corners of the vibration isolation gasket ring are in natural transition in an arc R.

6. The marine oil station horizontal pump group double-buckled vibration isolation gasket ring as claimed in any one of claims 1-4, wherein the nesting bottoms between the pressure ring (31) and the bearing ring (35) and between the pressure ring (31) and the disc ring (34) are provided with a pressure sleeve cavity (71); an outer transition cavity (722) is arranged at the bottom of the nesting between the bearing ring (35) and the retaining ring (36), and an inner transition cavity (721) is arranged at the bottom of the nesting between the retaining ring (37) and the retaining ring (36); a middle cavity (74) is arranged at the bottom of the nesting between the snap ring (37) and the middle ring (32); blocking gaps (73) are arranged between the middle ring (32) and the pressing ring (31) and between the clamping ring (37) and the bearing ring (35).

7. The marine oil station horizontal pump package multi-buckled vibration isolator ring of claim 1, wherein the number of the connecting bolts is an integral multiple of 4.

8. The marine tanker horizontal pump group hasp type vibration isolator ring according to any one of claims 1 to 4, wherein the waved peaks or valleys of said disc ring (34) are located at the mounting bolt holes (51) and the stack bolt holes (41), and wherein the valleys are located at the stack bolt holes (41) when the peaks are located at the mounting bolt holes (51) and the peaks are located at the stack bolt holes (41) when the valleys are located at the mounting bolt holes (51).

9. The marine oil station horizontal pump group double-buckled vibration isolation gasket ring as claimed in claim 1, wherein the compression ring (31) and the intermediate ring (32) are made of nodular cast iron or vibration-damping alloy; the bearing ring (35), the retaining ring (36) and the retaining ring (37) are made of graphite, nodular cast iron, pure iron, damping alloy, high-elastic rubber or alloy aluminum; the seat ring (60) is made of carbon steel or vibration-damping alloy; the disc ring (34) is made of spring steel; the connecting bolt is made of carbon steel or vibration reduction alloy.

10. The marine oil station horizontal pump group multi-buckled vibration isolation gasket ring according to claim 9, wherein the press ring (31) and the force bearing ring (35) are made of different materials, the force bearing ring (35) and the snap ring (36) are made of different materials, the snap ring (36) and the snap ring (37) are made of different materials, and the snap ring (37) and the intermediate ring (32) are made of different materials.

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