CN208719226U - A kind of buffer unit for limit - Google Patents

Abstract

The utility model discloses a kind of buffer units for limit, belong to technical field of safety protection, including limit base, the first fastening plates, ball bearing, limition orientation bar, resilient support assemblies, cover board, first sleeve, the second fastening plates, vibration isolation panel.The surface of limit base is arranged in first fastening plates；The middle part at the top of limit base is arranged in ball bearing；One end of limition orientation bar is hemispherical；The other end of resilient support assemblies, limition orientation bar is connected by resilient support assemblies with limit base；Cover board and the first fastening plates have limit distance；The axial ends of first sleeve is open；Second fastening plates and cover board are separately positioned on the axial ends of first sleeve, to form a seal chamber；Vibration isolation panel includes carbon fiber bearing layer and vibration isolation interlayer; to reach when the limit rigidity for subtracting isolation mounting will not be changed; it can guarantee that subtracting isolation mounting adapts to different operating conditions, improves reliability and working efficiency, and realize the technical effect to the defencive function of limition orientation bar.

Description

A kind of buffer unit for limit

Technical field

The utility model belongs to cushion technique field, in particular to a kind of buffer unit for limit.

Background technique

Vibration and noise reducing on naval vessel is increasingly subject to the concern and attention of people.Power-equipment on naval vessel all uses substantially Subtract vibration isolation technique, there is the buoyant raft vibration damping of single-layer partiting polarization, double-layer vibration isolating and large size, the vibration that power-equipment is effectively reduced is transmitted to branch It supports on platform or in Ship Structure, improves the comfort level of naval vessel staff, while can also improve the acoustic stealth on naval vessel, reinforce The fight capability on naval vessel.

Naval vessel is under wave or maneuvering condition is waved under impact, after having installed additional due to power-equipment and subtract isolation mounting, Power-equipment, which will have, to be significantly displaced, to guarantee not cause to collide because of there is big displacement between power-equipment or big position Shifting causes the pipeline being attached thereto stress concentration occur so that destroying, and often increases spacing protector on subtracting isolation mounting, Make to subtract the power-equipment shift control on isolation mounting in secure threshold.Subtract and increases spacing protector application on isolation mounting extensively General, effect is also obvious.Simultaneously as subtract impact force suffered by vibration isolation it is excessive when, often make to cause naval vessel biggish vibration.

In conclusion in the prior art, there is subtract isolation mounting to subtract vibration isolating effect poor, can not effectively obstruct vibration The technical issues of being transferred to naval vessel.

Utility model content

Technical problem to be solved in the utility model is that subtract vibration isolating effect poor, can not effectively obstruct vibration and be transferred to warship Ship.

In order to solve the above technical problems, the utility model provides a kind of buffer unit for limit, which is characterized in that Described device includes limit base；First fastening plates, first fastening plates are arranged in the surface of the limit base, and described first The top of fastening plates and the limit base has limit distance, and the side of the first fastening plates towards the limit base is provided with Spherical groove；The middle part at the top of the limit base is arranged in ball bearing, the ball bearing；Limition orientation bar, the limition orientation One end of bar is hemispherical, and one end of the limition orientation bar can passively be slidably matched with the spherical groove, and the limit is led The ball bearing is passed through to the other end of bar；The other end of resilient support assemblies, the limition orientation bar passes through the elasticity branch Support component is connected with the limit base；Cover board, the cover board and first fastening plates have the limit distance；First set Cylinder, the axial ends opening of the first sleeve；Second fastening plates, second fastening plates and the cover board are separately positioned on institute The axial ends of first sleeve is stated, to form a seal chamber；Vibration isolation panel, the vibration isolation panel include carbon fiber bearing layer and Vibration isolation interlayer, the carbon fiber bearing layer are connected with the vibration isolation interlayer, the carbon fiber bearing layer and second fastening plates Connection；And the carbon fiber bearing layer is made of carbon fiber shredded dried bean curd according to 0 °/± 45 °/90 ° of ply stacking-sequence, be located at it is described every The carbon fiber bearing layer design of vibration panel surface has an anti-skidding print, the carbon fiber bearing layer be located at second fastening plates with Between the vibration isolation interlayer.

Further, first through hole is provided in the middle part of the cover board, the bottom inside of the first through hole is provided with peace Flange is filled, the ball bearing is mounted in the first through hole, and the ball bearing is arranged on the installation flange.

Further, the spacing protector further includes drain column, and the drain column is co-axially located at the first sleeve Interior, the other end of the limition orientation bar coaxially passes through the drain column, and the other end of the limition orientation bar passes through nut It is fastened on the drain column；The resilient support assemblies include the first elastic support unit and the second elastic support unit, institute Stating the first elastic support unit includes more than one first elastic component, the both ends difference of more than one first elastic component It is connected to the bottom of the cover board and the top of the drain column, second elastic support unit includes more than one second Elastic component, the both ends of more than one second elastic component are connected to the bottom end of the drain column and described second and fasten The top of plate.

Further, first elastic support unit further includes the first limited block, and first limited block is provided with more A, multiple first limited blocks are separately positioned on the bottom of the cover board for connecting with first elastic component and described On the top of drain column；Second elastic support unit further includes the second fastening plates, second fastening plates be provided with it is multiple, Multiple second fastening plates are separately positioned on the bottom end of the drain column for connecting with second elastic component and described On the top of second fastening plates.

Further, limit hole, the middle part setting of the limition orientation bar are provided in the middle part of the top of the drain column Finite place piece, the locating part are embedded in the limit hole.

Further, magnetorheological fluid is filled in the seal chamber；The spacing protector further include displacement sensor with And magnet exciting coil, wherein the cover board is arranged in towards on the side of first fastening plates in institute's displacement sensors, described to encourage Magnetic coil is fixed on the outer peripheral surface of the drain column, and has sky between the magnet exciting coil and the first sleeve Gap.

Further, the drain column is provided with more than one delivery hole, the center of the more than one delivery hole Axis is parallel to the central axis setting of the drain column.

Further, the spacing protector further includes two rubber rings, and two rubber rings are separately positioned on described In the axial ends of the outer peripheral surface of drain column.

The utility model has the advantages that

The utility model provides a kind of buffer unit for limit, and the first fastening plates are used for and subtract isolation mounting and connect, Since the top of the first fastening plates and limit base has limit distance, naval vessel is under wave or maneuvering condition waves impact Under, it is equipped with and subtracts the power-equipment of isolation mounting and can shake to the direction of limit base；Since the first fastening plates direction limits The side of seat is provided with spherical groove, and one end of limition orientation bar is hemispherical, one end of limition orientation bar can passively with Spherical groove is slidably matched, and when power-equipment can shake to the direction of limit base, the first fastening plates can be with limition orientation bar End thereof contacts, one end of limition orientation bar can be slided in spherical groove；Since ball bearing is arranged in the top of limit base The other end in portion, limition orientation bar passes through ball bearing, and limition orientation bar can be freely rotated and slide axially in ball bearing, with suitable The shaking for subtracting the power-equipment of isolation mounting should be installed；Since the other end of limition orientation bar passes through resilient support assemblies and limit Position seat connection, to prevent limition orientation bar to be detached from from ball bearing, to limit the movement of limition orientation bar.Simultaneously as will be every Carbon fiber bearing layer and the connection of the second fastening plates, carbon fiber bearing layer are connected with vibration isolation interlayer in vibration panel.So that vibration isolation panel It is arranged between the second fastening plates and the hull on naval vessel, it, can after sandwiching PMI foam vibration isolation interlayer among carbon fiber laminate To achieve the purpose that vibration and noise reducing using the resiliency of PMI foam and hollow effect.Can according to the size of the second fastening plates come It is designed, requires to be increased and decreased the number of plies of vibration isolation interlayer according to vibration isolation, vibration isolation panel is thickeied when vibration noise is strong Whole design thickness increases the number of plies of vibration isolation interlayer, preferably carries out vibration and noise reducing.Carbon fiber bearing layer can pass through composite wood The hollow structure of damping and vibration isolation sandwich material that boundary defect inside material generates reaches vibration isolation suction to sponge vibrational energy Sound sound insulation.To reached improve subtract isolation mounting subtract vibration isolating effect, can effectively obstruct the technology that vibration is transferred to naval vessel Effect.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other attached drawings.

Fig. 1 is the structural schematic diagram of the buffer unit provided by the embodiment of the utility model for limit；

Fig. 2 is the baffle schematic diagram of the buffer unit provided by the embodiment of the utility model for limit；

Fig. 3 is the vibration isolation panel schematic diagram of the buffer unit provided by the embodiment of the utility model for limit；

Fig. 4 is the schematic diagram of the impedance mechanisms of the buffer unit provided by the embodiment of the utility model for limit.

Wherein,

1-the first fastening plates, 2-guard rings, 3-cover boards, the 4-the first limited block, the 5-the first elastic component, 6-sealings Plug, 7-nuts, 8-bolts, the 9-the second fastening plates, 10-magnetorheological fluids, 11-rubber rings, 12-magnet exciting coils, 13-lead Fluid column, 14-first sleeves, 15-ball bearings, 16-limition orientation bars, 17-displacement sensors, 18-spherical grooves, 19-the One through-hole, 20-installation flange, the 21-the second elastic component, the 22-the second limited block, 23-limit holes, 24-locating parts, 25- Delivery hole, 26-baffles, 27-gag lever posts, 28-second sleeves, 29-push rods, 30-movable blocks, 31-compressed springs, 32- Limit sleeve, 33-stop collars, 34-elastic bases, 35-carbon fiber bearing layers, 36-vibration isolation interlayers, 37-drop fronts, 38-movable webs, 39-adjustable brackets, 40-equipment common mounting panels, 41-fixed anti-tripping brackets, 42-fixed abdomens Plate, 43-bolts, 44-conduits, 45-mounting holes.

Specific embodiment

The utility model discloses a kind of buffer unit for limit, the first fastening plates 1 are used for and subtract isolation mounting company It connects, since the top of the first fastening plates 1 and limit base has limit distance, naval vessel is under wave or maneuvering condition waves punching It hits down, is equipped with and subtracts the power-equipment of isolation mounting and can shake to the direction of limit base；Since the first fastening plates 1 are towards limit The side of position seat is provided with spherical groove, and one end of limition orientation bar 16 is hemispherical, and one end of limition orientation bar 16 can quilt Dynamic ground is slidably matched with spherical groove, and when power-equipment can shake to the direction of limit base, the first fastening plates 1 can be with limit One end of the end thereof contacts of guide rod 16, limition orientation bar 16 can be slided in spherical groove；Since ball bearing is arranged in limit base Top middle part, the other end of limition orientation bar 16 passes through ball bearing, limition orientation bar can be freely rotated in ball bearing and It slides axially, to adapt to be equipped with the shaking for the power-equipment for subtracting isolation mounting；Since the other end of limition orientation bar 16 passes through Resilient support assemblies are connected with limit base, to prevent limition orientation bar to be detached from from ball bearing, to limit limition orientation bar 16 It is mobile.Simultaneously as carbon fiber bearing layer 35 in vibration isolation panel is connected with the second fastening plates, carbon fiber bearing layer 35 and vibration isolation Interlayer 36 connects.So that vibration isolation panel is arranged between the second fastening plates and the hull on naval vessel, by among carbon fiber laminate After sandwiching PMI foam vibration isolation interlayer 36, the resiliency and hollow effect that can use PMI foam reach the mesh of vibration and noise reducing 's.It can be designed according to the size of the second fastening plates, require to be increased and decreased the number of plies of vibration isolation interlayer 36 according to vibration isolation, The whole design thickness that vibration isolation panel is thickeied when vibration noise is strong, increases the number of plies of vibration isolation interlayer 36, preferably carries out vibration damping Noise reduction.Carbon fiber bearing layer 35 can pass through 36 material of damping and vibration isolation interlayer that the boundary defect of composite inner generates Hollow structure reaches vibration isolation sound absorption and insulation to sponge vibrational energy.The vibration isolation that subtracts for subtracting isolation mounting to reach raising is imitated Fruit can effectively obstruct the technical effect that vibration is transferred to naval vessel.

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to In the range of the utility model protection；Wherein "and/or" keyword involved in this implementation, indicate and or two kinds of situations, change Sentence is talked about, and A mentioned by the utility model embodiment and/or B illustrate two kinds of A and B, A or B situations, describe A and B and deposited Three kinds of states, such as A and/or B, indicate: only including A does not include B；Only including B does not include A；Including A and B.

Meanwhile in the utility model embodiment, when component is referred to as " being fixed on " another component, it can be directly another On one component or there may also be components placed in the middle.When a component is considered as " connection " another component, it be can be It is directly connected to another component or may be simultaneously present component placed in the middle.When a component be considered as " being set to " another Component, it, which can be, is set up directly on another component or may be simultaneously present component placed in the middle.The utility model embodiment Used in term "vertical", "horizontal", "left" and "right" and similar statement be merely for purposes of illustration, not It is intended to limit the utility model.

Referring to Figure 1, the utility model embodiment provides a kind of buffer unit for limit, described a kind of for limiting Buffer unit include the first fastening plates 1, limit base, limition orientation bar 16, ball bearing 15, resilient support assemblies, baffle 26, every Vibration panel and impedance mechanisms.Now respectively to the first fastening plates 1, limit base, limition orientation bar 16, ball bearing 15, resilient support group Part, baffle 26 and vibration isolation panel carry out described further below:

For the first fastening plates 1 and limit base:

The surface of the limit base, the top tool of first fastening plates and the limit base is arranged in first fastening plates There is limit distance, the side of the first fastening plates towards the limit base is provided with spherical groove.

Specifically, the surface of limit base, the first fastening plates are arranged in first fastening plates 1 of the utility model embodiment For with subtract isolation mounting and connect, the top of the first fastening plates 1 and limit base has a limit distance, and naval vessel is under wave or machine Dynamic state is waved under impact, is equipped with and is subtracted the power-equipment of isolation mounting and can shake to the direction of limit base.Due to The top of one fastening plates and limit base has limit distance, and can limit the movement of limition orientation bar, and therefore, being that one kind is non-connects Touch limits cable guiding device, will not substantially change the limit rigidity for subtracting isolation mounting, guarantees the performance for subtracting isolation mounting, and energy Adaptivity is adjusted, to adapt to different operating conditions, reliability and work efficiency is high.Certainly, the first fastening plates 1 can also be using welding Or integrally formed mode is attached with isolation mounting is subtracted.Meanwhile cover board 3 and the second fastening plates 9 can be with the first fastenings Plate 1 is arranged in parallel, and can also have certain tilt angle with the first fastening plates 1, be subject to and adapt to requirements of installation space.

For limition orientation bar 16:

One end of limition orientation bar is rendered as hemispherical, one end of the limition orientation bar can passively with the spherical groove It is slidably matched, the other end of the limition orientation bar passes through the ball bearing.

Specifically, referring to Figure 1, first fastening plates 1 of the utility model embodiment are arranged towards the side of limit base There is spherical groove 18, one end of limition orientation bar 16 is hemispherical, and one end of limition orientation bar 16 can be passively sliding with spherical groove 18 Dynamic cooperation, when power-equipment can shake to the direction of limit base, the first fastening plates can be with a termination of limition orientation bar Touching, one end of limition orientation bar can be slided in spherical groove.In the utility model embodiment, the other end of limition orientation bar 16 It is connected by following resilient support assemblies with limit base, limition orientation bar can be prevented to be detached from from ball bearing in this way, with limitation The movement of limition orientation bar.

Meanwhile can also include drain column 13 in the utility model embodiment, drain column 13 is co-axially located at first sleeve In 14, the other end of limition orientation bar 16 coaxially passes through drain column 13, and the other end of limition orientation bar 16 is tight by nut 7 Gu on drain column 13.

For ball bearing 15:

The middle part at the top of the limit base is arranged in ball bearing.

Specifically, referring to Figure 1, the ball bearing 15 of the utility model embodiment is arranged in the top of limit base Portion, the other end of limition orientation bar 16 pass through ball bearing 15, and the other end of limition orientation bar 16 passes through resilient support assemblies and limit Position seat connection, while one end of limition orientation bar is slided in spherical groove, limition orientation bar can freely turn in ball bearing It moves and slides axially, to adapt to be equipped with the shaking for the power-equipment for subtracting isolation mounting.

Spacing protector can also include guard ring 2, the axial ends of the guard ring 2 week with the first fastening plates 1 respectively The connection of the circumferential surface of face and cover board 3, guard ring 2 play protection ball bearing primarily to prevent dust from entering in ball bearing Clean effect, in addition, guard ring 2 should also have certain elasticity, to adapt to the change in displacement of the first fastening plates 1.In this reality With in new embodiment, spherical groove 18 is arranged in middle part of first fastening plates 1 towards the side of limit base, and the two of the side Bolt hole has can be set in side, and the connection of isolation mounting is realized and subtracted by bolt.

Limit base in the utility model embodiment may include cover board 3, first sleeve 14 and the second fastening plates 9, In, the axial ends of first sleeve 14 is open, and cover board 3 and the second fastening plates 9 are separately positioned on the axial ends of first sleeve 14, To form a seal chamber, and the first fastening plates 1 and cover board 3 have limit distance.The axial ends of first sleeve 14 can be with Multiple bolts hole are provided with, the axial ends and cover board 3, second fastening plates 9 of first sleeve 14 are realized by connection bolt 8 Connection, and due to being to be bolted, it can be convenient the disassembly of limit base, facilitate maintenance.The middle part of cover board 3 is arranged There is first through hole 19, the bottom inside of first through hole 19 is provided with installation flange 20, and ball bearing 15 is mounted in first through hole 19, And ball bearing 15 is arranged on installation flange 20, to realize the installation of ball bearing 15.

For resilient support assemblies:

The other end of limition orientation bar is connected by the resilient support assemblies with the limit base.

Specifically, referring to Figure 1, in the utility model embodiment, resilient support assemblies may include the first elasticity branch Unit and the second elastic support unit are supportted, the first elastic support unit includes more than one first elastic component 5, more than one The both ends of first elastic component 5 are connected to the bottom of cover board 3 and the top of drain column 13, and the second elastic support unit includes one A the second above elastic component 21, the both ends of more than one second elastic component 21 are connected to the bottom end and the of drain column 13 The top of two fastening plates 9.

Resilient support assemblies can not only prevent the movement of limition orientation bar 16, can also put in company with limition orientation bar 16 It is dynamic, and reset, subtract vibration isolating effect to be further ensured that.In the utility model embodiment, the first elastic component 5 and the second elastic component 21 all can be spring, around the equiangularly spaced setting of the central axis of drain column 13, to guarantee stress equalization.First resilient support Unit can also include the first limited block 4, and the first limited block 4 be provided with multiple, and multiple first limited blocks 4, which are separately positioned on, to be used for On the bottom of cover board 3 and the top of drain column 13 of the connection of the first elastic component 5, to realize the installation of the first elastic component 5.

It can be set at the first elastic component 5 of connection continuing with referring to Fig. 1, the bottom of cover board 3 and the top of drain column 13 There is a mounting groove, the fixation of the first limited block 4 is embedded in the mounting groove, to realize the installation of the first limited block 4.Certainly, The bottom of cover board 3 and the top of drain column 13 can also be arranged in even in one limited block 4 using welding or integrally formed mode Connect at the first elastic component 5, the utility model embodiment to this with no restriction.Correspondingly, in conjunction with Fig. 1, the utility model embodiment In, the second elastic support unit can also include the second limited block 22, and the second limited block 22 is provided with multiple, multiple second limits Block 22 is separately positioned on the bottom end of the drain column 13 for connecting with the second elastic component 21 and the top of the second fastening plates 9, with Realize the installation of the second elastic component 21.The bottom end of drain column 13 and the top of the second fastening plates 9 are connecting at the second elastic component 21 A mounting groove can be set, the fixation of the second limited block 22 is embedded in the mounting groove, to realize the peace of the second limited block 22 Dress.

Certainly, the second limited block 22 can also using welding or integrally formed mode be arranged in drain column 13 bottom end and The top of second fastening plates 9 connect the second elastic component 21 at, the utility model embodiment to this with no restriction.Referring to Figure 1, In the utility model embodiment, limit hole 23, the middle part setting of limition orientation bar 16 are provided in the middle part of the top of drain column 13 Finite place piece 24, locating part 24 are embedded in limit hole 23, can be limited limition orientation bar 16 in this way and are detached from from drain column 13. Magnetorheological fluid 10 can be filled in seal chamber；Spacing protector can also include displacement sensor 17 and magnet exciting coil 12, Wherein, cover board 3 is arranged in towards on the side of the first fastening plates 1 in displacement sensor 17, and magnet exciting coil 12 is fixed at drain On the outer peripheral surface of column 13, and there is gap between magnet exciting coil 12 and first sleeve 14.

In the utility model embodiment, displacement sensor 17 can identify the displacement between the first fastening plates 1 and cover board 3 Variation, and then the electric current of magnet exciting coil 12 is adjusted, to be the different magnetic of output under different control electric currents of magnetorheological fluid 10 Change effect, form different high-intensitive shear yield stresses, i.e., different damping force sizes realizes damping force automatic adjusument function Can, impact stress is waved in reduction, is realized to the position limitation protection function of subtracting isolation mounting in the case where waving impact.

Continuing with referring to Fig. 1, the shape of one He magnet exciting coil 12 can be set in the middle part of the outer peripheral surface of drain column 13 Consistent groove, magnet exciting coil 12 are embedded in a groove.The side wall of first sleeve 14 can be set one along first sleeve The threading hole radially penetrated through, being provided in the threading hole has a sealing-plug 6, to avoid the outflow of magnetorheological fluid 10, meanwhile, it is close Blocking 6 is passed through by a connecting wire, which enters in seal chamber, and is connected with magnet exciting coil 12.

In the utility model embodiment, the current regulation of magnet exciting coil is external regulating device, passes through displacement sensing The collected displacement signal of device exports certain electric current to magnet exciting coil as input, the size of Lai Shixian excitation field, from And control the magnetic efficiency of magnetorheological fluid.More than one delivery hole 25, more than one drain has can be set in drain column 13 The central axis in hole 25 is parallel to the central axis setting of drain column 13.The circulation area of magnetorheological fluid, while magnetic can be increased in this way Rheology liquid allows magnetorheological fluid drain to magnetize to form uniform damping force under the magnetic field that magnet exciting coil generates, and utilizes stress balance.

The spacing protector of the utility model embodiment can also include two rubber rings 11, and two rubber rings 11 are set respectively Set in the axial ends of the outer peripheral surface of drain column 13, rubber ring 11 primarily to when ball bearing 15 in an inclined state, prevent Only hard collision occurs for drain column 13 and first sleeve 14, plays buffer protection function.It should be noted that the utility model is real It applies and subtracts isolation mounting shown in example as the prior art, primarily to the impact of power-equipment is adapted to, to guarantee power-equipment Safety.

For baffle 26:

Baffle 26 is vertically set on the upper surface of the second fastening plates, and the outer wall of the baffle 26 offers vertical first Sliding slot, the outer wall of the baffle offers lateral card slot, and first sliding groove is connected to card slot, the side wall installation of the baffle There is second sleeve, the inner cavity of the second sleeve is fixedly connected with compressed spring, the inner cavity grafting gag lever post of the card slot, the limit One end of position bar is inserted into the inner cavity of the second sleeve and is connected with the compression spring, and the gag lever post extends to limition orientation bar Lower section, the outer wall of the limition orientation bar are fixedly connected with push rod, and the inner cavity of the push rod insertion first sliding groove simultaneously connects with movable block It connects, the outer wall of the gag lever post offers second sliding slot, and the wedge block being slidably connected with movable block is equipped in second sliding slot.

2 are referred to, compressed spring 31, the inner cavity grafting gag lever post 27 of the card slot, one end of the gag lever post 27 are connected It is inserted into the inner cavity of the second sleeve 28 and is connect with compressed spring 31, the gag lever post 27 extends under limition orientation bar 16 Side, the outer wall of the limition orientation bar 16 are fixedly connected with push rod 29, the push rod 29 be inserted into the inner cavity of first sliding groove and with activity Block 30 connects, and the outer wall of the gag lever post 27 offers second sliding slot, is equipped in second sliding slot and is slidably connected with movable block 30 Wedge block.

Continuing with referring to 2, baffle 26 is vertically set on the upper surface of the second fastening plates, i.e. baffle 26 can be located at magnetorheological In liquid, the top of the second fastening plates 9 is provided with gag lever post 27.The outer wall of baffle 26 offers vertical first sliding groove, baffle 26 outer wall offers lateral card slot, and first sliding groove is connected to card slot, and the side wall of baffle 26 is equipped with second sleeve 28, The inner cavity of second sleeve 28 is fixedly connected with compressed spring 31, the inner cavity grafting gag lever post 27 of card slot, one end insertion of gag lever post 27 The inner cavity of second sleeve 28 is simultaneously connect with compressed spring 31, and gag lever post 27 extends to lower section (the i.e. gag lever post of limition orientation bar 16 27 close to one end of the second fastening plates), the outer wall of limition orientation bar 16 is fixedly connected with push rod 29, and push rod 29 is inserted into first sliding groove Inner cavity is simultaneously connect with movable block 30, and the outer wall of gag lever post 27 offers second sliding slot, is equipped in second sliding slot and movable block 30 The wedge block being slidably connected.

Gag lever post 27 is cuboid rod piece, and gag lever post 27 is bonded with the inner wall of card slot, and baffle 26 is far from second set The side of cylinder 28 is provided with limit sleeve 32, and the outer wall of gag lever post 27 is equipped with stop collar 33, and stop collar 33 is located at limit sleeve 32 Inner cavity, limit sleeve 32 and stop collar 33 are set, can prevent gag lever post 27 from popping up in sleeve 28, limit is played to gag lever post 27 Effect, second sleeve 28 are equipped with mounting ring, and fastening bolt is interspersed in mounting ring, and second sleeve 28 is installed by fastening bolt On baffle 26, movable block 30 is wedge shape, and its surface is bonded wear-resisting backing plate, and second sleeve 28 uses fastening bolt and baffle 26 connections, enable second sleeve 28 easily to be dismounted.To reach when limition orientation bar 16 is greatly impacted When power is moved, gag lever post 27 may be implemented to prevent the position-limiting action of limition orientation bar 16 under the action of 31 elastic force of compressed spring Limition orientation bar 16 occur it is improper downslide and the technical effect of the bottom of damaging device.Meanwhile limition orientation bar 16 just Lower section, is also provided with elastic base 34 on the upper surface of the second fastening plates, and elastic base 34 can be thrum spring, bullet Property plastic body can be absorbed if limition orientation bar 16 touches elastic base 34 by the elastic deformation of elastic base 34 The mechanical energy of limition orientation bar 16, then the further security protection improved to limition orientation bar 16, leads to reach limit The technical effect of safety is improved in the bottom that device is avoided damage to bar 16.

For vibration isolation panel:

Vibration isolation panel includes carbon fiber bearing layer 35 and vibration isolation interlayer 36, and the carbon fiber bearing layer 35 and the vibration isolation are pressed from both sides Layer 36 connects, and the carbon fiber bearing layer 35 is connected with second fastening plates；And the carbon fiber bearing layer 35 is by carbon fiber It ties up shredded dried bean curd to form according to 0 °/± 45 °/90 ° of ply stacking-sequence, positioned at the carbon fiber bearing layer 35 of the vibration isolation panel surface Design has anti-skidding print, and the carbon fiber bearing layer 35 is between second fastening plates and the vibration isolation interlayer 36.

Specifically, referring to Fig. 3, vibration isolation panel can be located at the lower section of the second fastening plates, and the effect of vibration isolation panel is It can connect the second fastening plates and hull, so that the second fastening plates are fixed on hull by vibration isolation panel.Carbon fiber bearing layer 35 solidify to obtain to be plated in inflow epoxy resin temperature-pressure after carbon fiber shredded dried bean curd；Vibration isolation interlayer 36 is sub- by polymethyl acyl Amine (PMI) cystosepiment milling machine is milled out spare by size requirement.The carbon fiber bearing layer 35 of vibration isolation panel surface designs anti-skidding Print the technical effect that there are the second fastening plates of prevention to slide on vibration isolation panel.

In order to preferably installation and use vibration isolation panel, the below installation to vibration isolation panel and production side in practical applications Formula is described in detail:

The first step prepares carbon fiber shredded dried bean curd, the PMI cystosepiment that epoxy resin and milling machine mill out；

Carbon fiber shredded dried bean curd is carried out laying according to 0 °/± 45 °/90 ° of ply stacking-sequence and is plated in well in advance by second step The PMI milled is embedded on mold, during being plated in shredded dried bean curd.

Third step, Guan Bi mould simultaneously heat, and resin are injected in resin mould inflow entrance, and control temperature and pressure, rise 80 DEG C of temperature keep the temperature 4 hours, and 125 DEG C of heat preservations are solidified for 3 hours；

4th step after the completion of curing reaction, is cooled to room temperature, and floor production is completed in demoulding.

The naval vessels to complete vibration isolation panel, the more existing similar vibration isolation panel of quality in the case where maintaining same intensity 65% is alleviated, the more existing similar steel vibration isolation panel of sound insulation effect increases 8dB, improves compared with aluminum vibration isolation panel 15dB.To reached improve subtract isolation mounting subtract vibration isolating effect, can effectively obstruct the technology effect that vibration is transferred to naval vessel Fruit.

For impedance mechanisms:

Impedance mechanisms include by fixed web 42 connected vertically and equipment common mounting panel 40, are uniformly arranged on fixation The base construction main body that fixation anti-tripping bracket 41 between web 42 and common mounting panel forms, in two neighboring fixed support One conduit 44 of direction, two phases are respectively arranged on fixation web 42 between bracket 41 and on equipment common mounting panel 40 Adjustable bracket 39 is mutually provided in vertical conduit 44, fixed 42 outer end face of web is provided with dismountable movable web 38, dismountable drop front 37 is provided on the equipment common mounting panel 40；And the drop front 37 and described Two fastening plates are fixedly connected.

Fig. 4 is referred to, fixed 42 outer end face of web, which is provided with dismountable movable web 38, to be referred to: fixed abdomen On plate 42 be respectively arranged with mounting hole 45 and the two on movable web 38 and connect by bolt 43.Two orthogonal conduits Adjustable bracket 39 is provided in 44 to be referred to: it is respectively arranged with a column mounting hole on two orthogonal conduits 44, it can It adjusts bracket and is connect by bolt 43 with any corresponding mounting hole with two orthogonal conduits 44.

Impedance mechanisms can constitute pedestal by equipment common mounting panel 40, fixed web 42, fixed anti-tripping bracket 41 Main structure body is connected by bolt 43 by drop front, movable web 38, adjustable bracket 39, is constituted with base construction main body Impedance variable base construction.The conduit for installing adjustable bracket 39 is provided between two adjacent fixed anti-tripping brackets 41 44, conduit 44 is set to the center of panel and web (between two adjacent fixed brackets), and is provided with and is used in conduit 44 The mounting hole of fixedly adjustable section bracket 39.The corresponding position of equipment common mounting panel 40 and drop front 37, equipped with being used for The mounting hole that equipment is installed and connected between the two.And the corresponding position of web and movable web 38 is equipped with for connecting between the two Mounting hole.Adjustable bracket 39 is fixedly connected by the realization of interior corner bolt 43 and equipment common mounting panel 40 and web. Drop front 37 and movable web 38 are fixedly connected by the realization of interior corner bolt 43 and equipment common mounting panel 40 and web. To reach simple structure, easy for installation, impedance flexible adjustment, have a wide range of application the advantages that, bear equipment Dynamic And Static Loads, While transferring structure and equipment room interaction load, the vibration that flexibly can effectively suppress equipment to be transmitted is improved The Sound stealth performance on naval vessel, the technical effect with good economy and wide application prospect.In addition, can be by will be movable Panel 37 is fixedly connected with second fastening plates, so that the second fastening plates and common mounting panel are detachably connected；Alternatively, will Above-mentioned vibration isolation panel is placed between drop front 37 and second fastening plates, i.e. carbon fiber bearing layer 35 in vibration isolation panel It is connected with the second fastening plates, the vibration isolation interlayer 36 and drop front 37 in vibration isolation panel connect, and then weaken and are transmitted to active face The vibration of plate 37.

It, can be by changing face plate of foundation plate thickness, web plate thickness to meet typical electromechanical equipment reality ship impedance environment requirement And the modes such as bracket spacing are realized.The impedance variable base construction peculiar to vessel of the utility model can by it is following it is a kind of, two kinds or Three kinds of modes realize the change of impedance, and specific embodiment is as follows:

The first embodiment changes panel plate thickness；By mounting hole by equipment common mounting panel 40 and drop front 37, which carry out bolt 43, connects, and wherein the plate thickness of drop front 371 can be adjusted according to the model and size of installation equipment.It is living Base construction is as shown in Figure 4 after dynamic panel 37 is installed.

Second of embodiment changes web plate thickness；Movable web 38 and web bolt 43 is carried out by mounting hole to connect It connects, wherein the plate thickness of movable web 38 can be adjusted according to the model and size of installation equipment.After movable web 38 is installed Base construction is as shown in Figure 4.

The third embodiment changes bracket spacing；Adjustable bracket 39 is installed between two adjacent fixed brackets In conduit 44, and adjustable bracket 39 is carried out with common mounting panel and web by bolt 43 by mounting hole and is connect.

By equipment common mounting panel 40, web, fixation in the utility model embodiment in above-mentioned three kinds of embodiments Anti-tripping bracket 41 constitutes base construction main body, is connected by drop front 37, movable web 38, adjustable bracket 39 by bolt 43 It connects, constitutes impedance variable base construction with base construction main body.It is provided between two adjacent fixed brackets adjustable for installing The conduit 44 of bracket 39 is saved, conduit 44 is set to the center of panel and web (between two adjacent fixed brackets), and conduit The mounting hole for fixedly adjustable section bracket 39 is provided in 44.The corresponding positions of equipment common mounting panel 40 and drop front 37 Place is set, equipped with the mounting hole installed for equipment and connected between the two.And the corresponding position of web and movable web 38 is equipped with Mounting hole for connecting between the two.Drop front 37 and movable web 38 are realized and the public peace of equipment by interior corner bolt 43 Dress panel 40 is fixedly connected with web.To reach structure it is simple, it is easy for installation, impedance flexible adjustment, have a wide range of application, make Base construction limits and suppresses and set while bearing the Dynamic And Static Loads of equipment, transferring structure and equipment room interaction load The standby vibration transmitted, the technical effect with good economy and wide application prospect.

The utility model provides a kind of buffer unit for limit, and the first fastening plates 1 are used for and subtract isolation mounting and connect, Since the top of the first fastening plates 1 and limit base has limit distance, naval vessel is under wave or maneuvering condition waves impact Under, it is equipped with and subtracts the power-equipment of isolation mounting and can shake to the direction of limit base；Since the first fastening plates 1 are towards limit The side of seat is provided with spherical groove, and one end of limition orientation bar 16 is hemispherical, and one end of limition orientation bar 16 can be passive Ground is slidably matched with spherical groove, and when power-equipment can shake to the direction of limit base, the first fastening plates 1 can be led with limit To the end thereof contacts of bar 16, one end of limition orientation bar 16 can be slided in spherical groove；Since limit base is arranged in ball bearing The other end at the middle part at top, limition orientation bar 16 passes through ball bearing, and limition orientation bar can be freely rotated in ball bearing and axis To sliding, to adapt to be equipped with the shaking for the power-equipment for subtracting isolation mounting；Since the other end of limition orientation bar 16 passes through bullet Property support component is connected with limit base, to prevent limition orientation bar to be detached from from ball bearing, to limit the shifting of limition orientation bar 16 It is dynamic.Simultaneously as carbon fiber bearing layer 35 in vibration isolation panel is connected with the second fastening plates, carbon fiber bearing layer 35 and vibration isolation folder Layer 36 connects.So that vibration isolation panel is arranged between the second fastening plates and the hull on naval vessel, by pressing from both sides among carbon fiber laminate After entering PMI foam vibration isolation interlayer 36, the resiliency and hollow effect that can use PMI foam achieve the purpose that vibration and noise reducing. It can be designed according to the size of the second fastening plates, require to be increased and decreased the number of plies of vibration isolation interlayer 36 according to vibration isolation, shake The whole design thickness that vibration isolation panel is thickeied when moving noise is strong increases the number of plies of vibration isolation interlayer 36, preferably carries out vibration damping drop It makes an uproar.Carbon fiber bearing layer 35 can by the boundary defect of composite inner generate 36 material of damping and vibration isolation interlayer in Sky construction, reaches vibration isolation sound absorption and insulation to sponge vibrational energy.To reached improve subtract isolation mounting subtract vibration isolating effect, The technical effect that vibration is transferred to naval vessel can effectively be obstructed.

It should be noted last that the above specific embodiment is only to illustrate the technical solution of the utility model rather than limits System, although the utility model is described in detail referring to example, those skilled in the art should understand that, it can be right The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (8)

1. a kind of buffer unit for limit, which is characterized in that described device includes:

Limit base；

The surface of the limit base, first fastening plates and the limit is arranged in first fastening plates, first fastening plates The top of position seat has limit distance, and the side of the first fastening plates towards the limit base is provided with spherical groove；

The middle part at the top of the limit base is arranged in ball bearing, the ball bearing；

One end of limition orientation bar, the limition orientation bar is hemispherical, one end of the limition orientation bar can passively with institute It states spherical groove to be slidably matched, the other end of the limition orientation bar passes through the ball bearing；

The other end of resilient support assemblies, the limition orientation bar is connected by the resilient support assemblies with the limit base；

Cover board, the cover board and first fastening plates have the limit distance；

First sleeve, the axial ends opening of the first sleeve；

Second fastening plates, second fastening plates and the cover board are separately positioned on the axial ends of the first sleeve, with shape At a seal chamber；

Vibration isolation panel, the vibration isolation panel include carbon fiber bearing layer and vibration isolation interlayer, the carbon fiber bearing layer and it is described every The interlayer that shakes connects, and the carbon fiber bearing layer is connected with second fastening plates；And the carbon fiber bearing layer is done by carbon fiber Silk is formed according to 0 °/± 45 °/90 ° of ply stacking-sequence, and the carbon fiber bearing layer design positioned at the vibration isolation panel surface has Anti-skidding print, the carbon fiber bearing layer is between second fastening plates and the vibration isolation interlayer.

2. the apparatus according to claim 1, which is characterized in that it is provided with first through hole in the middle part of the cover board, described The bottom inside of one through-hole is provided with installation flange, and the ball bearing is mounted in the first through hole, and the ball bearing is set It sets on the installation flange.

3. the apparatus according to claim 1, which is characterized in that described device further include: spacing protector, the limit are protected Protecting device includes drain column, and the drain column is co-axially located in the first sleeve, and the other end of the limition orientation bar is coaxial Across the drain column, and the other end of the limition orientation bar is fastened on the drain column by nut；

The resilient support assemblies include the first elastic support unit and the second elastic support unit, and first resilient support is single Member includes more than one first elastic component, and the both ends of more than one first elastic component are connected to the cover board The top of bottom and the drain column, second elastic support unit include more than one second elastic component, more than one The both ends of second elastic component be connected to the bottom end of the drain column and the top of second fastening plates.

4. device according to claim 3, which is characterized in that first elastic support unit further includes the first limit Block, first limited block be provided with it is multiple, multiple first limited blocks be separately positioned on for and first elastic component On the bottom of the cover board and the top of the drain column of connection；

Second elastic support unit further includes the second fastening plates, second fastening plates be provided with it is multiple, multiple described Two fastening plates be separately positioned on the drain column for being connected with second elastic component bottom end and second fastening plates Top on.

5. device according to claim 3, which is characterized in that it is provided with limit hole in the middle part of the top of the drain column, Finite place piece is arranged in the middle part of the limition orientation bar, and the locating part is embedded in the limit hole.

6. device according to claim 3, which is characterized in that be filled with magnetorheological fluid in the seal chamber；

The spacing protector further includes displacement sensor and magnet exciting coil, wherein institute's displacement sensors are arranged described Towards on the side of first fastening plates, the magnet exciting coil is fixed on the outer peripheral surface of the drain column cover board, and There is gap between the magnet exciting coil and the first sleeve.

7. device according to claim 6, which is characterized in that the drain column is provided with more than one delivery hole, and one The central axis of a above delivery hole is parallel to the central axis setting of the drain column.

8. device according to claim 3, which is characterized in that the spacing protector further includes two rubber rings, and two The rubber ring is separately positioned in the axial ends of the outer peripheral surface of the drain column.