CN208281412U - Spacing protector - Google Patents

Abstract

The utility model belongs to noise reduction technology field, in particular to a kind of for subtracting the spacing protector on isolation mounting.The surface of limit base is arranged in first mounting plate of the spacing protector; the top of first mounting plate and limit base has limit distance; the side of first mounting plate towards limit base is provided with spherical groove; the middle part at the top of limit base is arranged in ball bearing; the one end for limiting conductor rod is hemispherical; one end of limit conductor rod can passively be slidably matched with spherical groove, and the other end for limiting conductor rod passes through ball bearing, and the other end for limiting conductor rod is connected by resilient support assemblies with limit base.The utility model, which will not change, subtracts isolation mounting limit rigidity, guarantees to subtract the performance of isolation mounting, and can adaptivity adjust, to adapt to different operating conditions, reliability and work efficiency is high.

Description

Spacing protector

Technical field

The utility model belongs to noise reduction technology field, in particular to a kind of for subtracting the position limitation protection on isolation mounting Device.

Background technique

Currently, the vibration and noise reducing on naval vessel is increasingly subject to the concern and attention of people.Power-equipment on naval vessel is substantially all Using vibration isolation technique is subtracted, 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 passes It is delivered in support platform or in Ship Structure, improves the comfort level of naval vessel staff, while the sound that can also improve naval vessel is hidden Property, 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.

In the process of implementing the utility model, it is found by the applicant that at least having the disadvantage that in the prior art

Traditional spacing protector is essentially contact, spacing protector is subtracted together vibration isolation by contact spacing protector Device is directly connected to, easy for installation, but will increase the rigidity for subtracting isolation mounting, and the vibration isolation that subtracts that reduction subtracts isolation mounting is imitated Fruit.

Utility model content

Aiming at the problems existing in the prior art, the utility model provide it is a kind of can guarantee isolation mounting subtract vibration isolation effect The spacing protector of fruit.

The technical solution of the utility model are as follows:

A kind of spacing protector, the spacing protector include the first mounting plate, limit base, limit conductor rod, ball bearing And resilient support assemblies, wherein

The surface of the limit base, the top of first mounting plate and the limit base is arranged in first mounting plate Portion has limit distance, and the side of the first mounting plate towards the limit base is provided with spherical groove；

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

It is described limit conductor rod one end it is hemispherical, it is described limit conductor rod one end can passively with the spherical groove It is slidably matched, the other end of the limit conductor rod passes through the ball bearing；

The other end of the limit conductor rod is connected by the resilient support assemblies with the limit base.

Further, the limit base includes cover board, sleeve and the second mounting plate, wherein

The axial ends opening of the sleeve, the cover board and second mounting plate are separately positioned on the axis of the sleeve To both ends, to form a seal chamber；

First mounting plate and the cover board have the limit distance.

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 Flange is installed, the ball bearing is mounted in the first through hole, and the ball bearing is arranged on the installation flange, with reality The mounting arrangements of existing ball bearing.

Further, the spacing protector further includes drain column, and the drain column is co-axially located in the sleeve, institute The other end for stating limit conductor rod coaxially passes through the drain column, and the other end of the limit conductor rod is fastened on by nut On the drain column；

The resilient support assemblies include the first elastic support unit and the second elastic support unit, the first elasticity branch Supportting unit includes more than one first elastic component, and the both ends of more than one first elastic component are connected to the lid The top of the bottom of plate and the drain column, second elastic support unit include more than one second elastic component, and one The both ends of above second elastic component are connected to the bottom end of the drain column and the top of second mounting plate.

Further, first elastic support unit further includes the first guide pad, and first guide pad is provided with Multiple, multiple first guide pads are separately positioned on bottom and the institute of the cover board for connecting with first elastic component On the top for stating drain column, to realize the installation of the first elastic component；

Second elastic support unit further includes the second guide pad, and second guide pad is provided with multiple, Duo Gesuo State the second guide pad be separately positioned on the drain column for being connected with second elastic component bottom end and second peace On the top of loading board, to realize the installation of the second elastic component.

Further, limit hole, the middle part setting of the limit conductor rod are provided in the middle part of the top of the drain column There is limited block, the limited block is embedded in the limit hole.

Further, magnetorheological fluid is filled in the seal chamber；

The spacing protector further includes displacement sensor and magnet exciting coil, wherein the setting of institute's displacement sensors exists For the cover board towards on the side of first mounting plate, the magnet exciting coil is fixed at the outer peripheral surface of the drain column On, and there is gap between the magnet exciting coil and the sleeve.

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

Preferably, the spacing protector further includes two rubber rings, and two rubber rings are separately positioned on described lead In the axial ends of the outer peripheral surface of fluid column, to prevent drain column and sleeve from colliding.

Preferably, the spacing protector further includes guard circle, and the axial ends of the guard circle is respectively with described first The connection of the circumferential surface of the circumferential surface of mounting plate and the cover board, enters inside spacing protector to avoid introduced contaminants, guarantees limit Position protector cleaning inside.

The beneficial effects of the utility model include at least:

A kind of spacing protector provided by the utility model, the first mounting plate therein are used for and subtract isolation mounting company It connects, since the top of the first mounting plate 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 mounting plate direction limits The side of position seat is provided with spherical groove, and the one end for limiting conductor rod is hemispherical, limit conductor rod one end can passively with Spherical groove is slidably matched, and when power-equipment can shake to the direction of limit base, the first mounting plate can be with limit conductor rod End thereof contacts, the one end for limiting conductor rod can be slided in spherical groove, simultaneously as the top of limit base is arranged in ball bearing Middle part, the other end for limiting conductor rod passes through ball bearing, and limition orientation bar can be freely rotated and slide axially in ball bearing, To adapt to be equipped with the shaking for the power-equipment for subtracting isolation mounting；Due also to the other end of limit conductor rod passes through resilient support group Part is connected with limit base, to prevent limition orientation bar to be detached from from ball bearing, to limit the movement of limit conductor rod.

It can be seen from the above, in the utility model, since the top of the first mounting plate and limit base has limit distance, and can Therefore it is a kind of contactless limit cable guiding device, will not substantially changes and subtract isolation mounting limits the movement of limit conductor rod Limit rigidity, guarantee to subtract the performance of isolation mounting, and can adaptivity adjust, to adapt to different operating conditions, reliability and work Make high-efficient.

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 spacing protector of the utility model embodiment.

Specific embodiment

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 are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model embodiment provides a kind of contactless spacing protector, to solve asking in background technique Topic.

Fig. 1 is the structural schematic diagram of the spacing protector of the utility model embodiment.Referring to Fig. 1, the utility model is implemented The spacing protector of example, including the first mounting plate 1, limit base, limit conductor rod 16, ball bearing 15 and resilient support assemblies.

In conjunction with Fig. 1, the surface of limit base, the first mounting plate is arranged in first mounting plate 1 of the utility model embodiment For with subtract isolation mounting and connect, the top of the first mounting plate 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.

In conjunction with Fig. 1, the side of first mounting plate 1 towards the limit base of the utility model embodiment is provided with spherical groove 18, The one end for limiting conductor rod 16 is hemispherical, and one end of limit conductor rod 16 can passively be slidably matched with spherical groove 18, when dynamic When power equipment can shake to the direction of limit base, the first mounting plate can limit conducting wire with the end thereof contacts of limit conductor rod One end of bar can be slided in spherical groove.

In conjunction with Fig. 1, the middle part at the top of limit base is arranged in the ball bearing 15 of the utility model embodiment, limits conductor rod 16 other end passes through ball bearing 15, and the other end of limit conductor rod 16 is connected with limit base by resilient support assemblies, limited While one end of position conductor rod is slided in spherical groove, limition orientation bar can be freely rotated and slide axially in ball bearing, To adapt to be equipped with the shaking for the power-equipment for subtracting isolation mounting.

In conjunction with Fig. 1, in the utility model embodiment, the other end of limit conductor rod 16 passes through resilient support assemblies and limit Seat connection, can prevent limition orientation bar to be detached from from ball bearing in this way, to limit the movement of limit conductor rod.

It can be seen from the above, in the utility model, since the top of the first mounting plate and limit base has limit distance, and can Therefore it is a kind of contactless limit cable guiding device, will not substantially changes and subtract isolation mounting limits the movement of limit conductor rod Limit rigidity, guarantee to subtract the performance of isolation mounting, and can adaptivity adjust, to adapt to different operating conditions, reliability and work Make high-efficient.

In conjunction with Fig. 1, in the utility model embodiment, spacing protector can also include guard circle 2, the axis of the guard circle 2 Connected respectively with the circumferential surface of the circumferential surface of the first mounting plate 1 and cover board 3 to both ends, guard circle 2 primarily to prevent dust into Enter into ball bearing, play the role of protecting ball bearing clean, in addition, guard circle 2 should also have certain elasticity, to adapt to the The change in displacement of one mounting plate 1.

In conjunction with Fig. 1, in the utility model embodiment, the first mounting plate 1 is arranged in towards the side of limit base in spherical groove 18 Middle part, and two sides of the side can be set bolt hole, the connection of isolation mounting realized and subtracted by bolt.

Certainly, the first mounting plate 1 can also be attached using welding or integrally formed mode with isolation mounting is subtracted.

In conjunction with Fig. 1, the limit base in the utility model embodiment may include cover board 3, sleeve 14 and the second mounting plate 9, wherein the axial ends opening of sleeve 14, cover board 3 and the second mounting plate 9 are separately positioned on the axial ends of sleeve 14, with shape At a seal chamber, and the first mounting plate 1 and cover board 3 have limit distance.

In the utility model embodiment, cover board 3 and the second mounting plate 9 can be arranged in parallel with the first mounting plate 1, can also There is certain tilt angle with the first mounting plate 1, it is subject to and adapts to requirements of installation space.

In conjunction with Fig. 1, in the utility model embodiment, the axial ends of sleeve 14 can be provided with multiple bolts hole, lead to It crosses connection bolt 8 and realizes the axial ends of sleeve 14 and the connection of cover board 3, the second mounting plate 9, and connected by then passing through bolt It connects, therefore, can be convenient the disassembly of limit base, facilitate maintenance.

In conjunction with Fig. 1, in the utility model embodiment, the middle part of cover board 3 is provided with first through hole 19, the bottom of first through hole 19 Installation flange 20 is provided on the inside of portion, ball bearing 15 is mounted in first through hole 19, and the setting of ball bearing 15 is in installation flange 20 On, to realize the installation of ball bearing 15.

In conjunction with Fig. 1, in the utility model embodiment, spacing protector can also include drain column 13, and drain column 13 is coaxial It is arranged in sleeve 14, the other end of limit conductor rod 16 coaxially passes through drain column 13, and the other end for limiting conductor rod 16 is logical Nut 7 is crossed to be fastened on drain column 13.

Further, in conjunction with Fig. 1, in the utility model embodiment, resilient support assemblies may include the first resilient support Unit and the second elastic support unit, the first elastic support unit include more than one first elastic component 5, and more than one The both ends of one 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 The both ends of the second above elastic component 21, more than one second elastic component 21 are connected to the bottom end and second of drain column 13 The top of mounting plate 9.

Resilient support assemblies can not only prevent the movement of limit conductor rod 16, can also put in company with limit conductor rod 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 drain column 13 The equiangularly spaced setting of central axis, to guarantee stress equalization.

In conjunction with Fig. 1, in the utility model embodiment, the first elastic support unit can also include the first guide pad 4, and first Guide pad 4 is provided with multiple, and multiple first guide pads 4 are separately positioned on the bottom of the cover board 3 for connecting with the first elastic component 5 On the top of drain column 13, to realize the installation of the first elastic component 5.

Further, it can be set at the first elastic component 5 of connection in conjunction with Fig. 1, the bottom of cover board 3 and the top of drain column 13 It is equipped with a mounting groove, the fixation of the first guide pad 4 is embedded in the mounting groove, to realize the installation of the first guide pad 4.

Certainly, bottom and the drain of cover board 3 can also be arranged in the first guide pad 4 using welding or integrally formed mode The top of column 13 connect the first elastic component 5 at, the utility model embodiment to this with no restriction.

Correspondingly, in conjunction with Fig. 1, in the utility model embodiment, the second elastic support unit can also include the second guiding Block 22, the second guide pad 22 be provided with it is multiple, multiple second guide pads 22 be separately positioned on for and the second elastic component 21 connection The bottom end of drain column 13 and the top of the second mounting plate 9 on, with realize the second elastic component 21 installation.

Further, in conjunction with Fig. 1, the top of the bottom end of drain column 13 and the second mounting plate 9 is connecting the second elastic component 21 A mounting groove has can be set in place, and the fixation of the second guide pad 22 is embedded in the mounting groove, to realize the second guide pad 22 Installation.

Certainly, the second guide pad 22 can also using welding or integrally formed mode be arranged in drain column 13 bottom end and The top of second mounting plate 9 connect the second elastic component 21 at, the utility model embodiment to this with no restriction.

In conjunction with Fig. 1, in the utility model embodiment, limit hole 23 is provided in the middle part of the top of drain column 13, limit is led The middle part of line bar 16 is provided with limited block 24, and limited block 24 is embedded in limit hole 23, can limit limit conductor rod 16 in this way It is detached from from drain column 13.

In conjunction with Fig. 1, in the utility model embodiment, magnetorheological fluid 10 can be filled in seal chamber；Further, it limits Protector can also include displacement sensor 17 and magnet exciting coil 12, wherein the setting of displacement sensor 17 is in cover board 3 towards the On the side of one mounting plate 1, magnet exciting coil 12 is fixed on the outer peripheral surface of drain column 13, and magnet exciting coil 12 and sleeve 14 Between have gap.

In the utility model embodiment, displacement sensor 17 can identify that the displacement between the first mounting plate 1 and cover board 3 becomes Change, and then adjust the electric current of magnet exciting coil 12, to be the different magnetization of output under different control electric currents of magnetorheological fluid 10 Effect, forms 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.

In conjunction with Fig. 1, in the utility model embodiment, one and excitation can be set in the middle part of the outer peripheral surface of drain column 13 The consistent groove of the shape of coil 12, magnet exciting coil 12 are embedded in a groove.

In conjunction with Fig. 1, in the utility model embodiment, the side wall of sleeve 14 can be set a radial direction along sleeve and penetrate through Threading hole, being provided in the threading hole has a sealing-plug 6, to avoid the outflow of magnetorheological fluid 10, meanwhile, sealing-plug 6 is by one A connecting wire passes through, which enters in seal chamber, and connects with magnet exciting coil 12.

In the utility model embodiment, the current regulation of magnet exciting coil is external regulating device, passes through displacement sensor Collected displacement signal exports certain electric current to magnet exciting coil as input, to realize the size of excitation field, thus Control the magnetic efficiency of magnetorheological fluid.

In conjunction with Fig. 1, in the utility model embodiment, drain column 13 can be set more than one delivery hole 25, and one The central axis of above delivery hole 25 is parallel to the central axis setting of drain column 13.The circulating face of magnetorheological fluid can be increased in this way Product, while magnetorheological fluid allows magnetorheological fluid drain to magnetize to form uniform damping force under the magnetic field that magnet exciting coil generates, and utilizes Stress balance.

In conjunction with Fig. 1, the spacing protector of the utility model embodiment can also include two rubber rings 11, two rubber rings 11 are separately positioned in the axial ends of the outer peripheral surface of drain column 13, and rubber ring 11 is primarily to when ball bearing 15 is skewed Under state, prevents drain column 13 and sleeve 14 from hard collision occurs, play buffer protection function.

It should be noted that subtracting isolation mounting shown in the utility model embodiment is the prior art, primarily to suitable The impact of power-equipment is answered, to guarantee the safety of power-equipment.

Embodiment provided above is the better embodiment of the utility model, only is used to facilitate to illustrate the utility model, and It is non-to impose any limitation on the present invention, have usually intellectual in any technical field, if not departing from In the range of the mentioned technical characteristic of the utility model, locally changes or repair using made by the utility model disclosed technology content The equivalent embodiment of decorations, and without departing from the technical characteristics of the utility model content, still fall within the utility model technical characteristic In the range of.

Claims (10)

1. a kind of spacing protector, which is characterized in that the spacing protector is led including the first mounting plate (1), limit base, limit Line bar (16), ball bearing (15) and resilient support assemblies, wherein

First mounting plate (1) is arranged in the surface of the limit base, first mounting plate (1) and the limit base Top has limit distance, and the side of the first mounting plate (1) towards the limit base is provided with spherical groove (18)；

The middle part at the top of the limit base is arranged in the ball bearing (15)；

It is described limit conductor rod (16) one end it is hemispherical, it is described limit conductor rod (16) one end can passively with the ball Shape slot (18) is slidably matched, and the other end of limit conductor rod (16) passes through the ball bearing (15)；

The other end of limit conductor rod (16) is connected by the resilient support assemblies with the limit base.

2. spacing protector according to claim 1, which is characterized in that the limit base includes cover board (3), sleeve (14) And second mounting plate (9), wherein

The axial ends of the sleeve (14) is open, and the cover board (3) and second mounting plate (9) are separately positioned on the set The axial ends of cylinder (14), to form a seal chamber；

First mounting plate (1) and the cover board (3) have the limit distance.

3. spacing protector according to claim 2, which is characterized in that it is logical to be provided with first in the middle part of the cover board (3) Hole (19), the bottom inside of the first through hole (19) are provided with installation flange (20), and the ball bearing (15) is mounted on described In first through hole (19), and the ball bearing (15) is arranged on the installation flange (20).

4. spacing protector according to claim 2, which is characterized in that the spacing protector further includes drain column (13), the drain column (13) is co-axially located in the sleeve (14), and the other end of limit conductor rod (16) is coaxially worn The drain column (13) is crossed, and the other end of limit conductor rod (16) is fastened on the drain column (13) by nut (7) On；

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 (5), and the both ends of more than one first elastic component (5) are connected to described The top of the bottom of cover board (3) and the drain column (13), second elastic support unit include more than one second bullet Property part (21), the both ends of more than one second elastic component (21) are connected to bottom end and the institute of the drain column (13) State the top of the second mounting plate (9).

5. spacing protector according to claim 4, which is characterized in that first elastic support unit further includes first Guide pad (4), first guide pad (4) are provided with multiple, and multiple first guide pads (4), which are separately positioned on, to be used for and institute On the bottom of the cover board (3) and the top of the drain column (13) for stating the first elastic component (5) connection；

Second elastic support unit further includes the second guide pad (22), second guide pad (22) be provided with it is multiple, it is more A second guide pad (22) is separately positioned on for the drain column (13) with second elastic component (21) connection On bottom end and the top of second mounting plate (9).

6. spacing protector according to claim 4, which is characterized in that the middle part at the top of the drain column (13) is arranged Have limit hole (23), be provided with limited block (24) in the middle part of the limit conductor rod (16), the limited block (24) is embedded in institute It states in limit hole (23).

7. spacing protector according to claim 4, which is characterized in that be filled with magnetorheological fluid in the seal chamber (10)；

The spacing protector further includes displacement sensor (17) and magnet exciting coil (12), wherein institute's displacement sensors (17) in the cover board (3) towards on the side of first mounting plate (1), the magnet exciting coil (12) is fixed at for setting On the outer peripheral surface of the drain column (13), and there is gap between the magnet exciting coil (12) and the sleeve (14).

8. spacing protector according to claim 7, which is characterized in that the drain column (13) is provided with more than one Delivery hole (25), the central axis of the more than one delivery hole (25) are parallel to the central axis setting of the drain column (13).

9. spacing protector according to claim 4, which is characterized in that the spacing protector further includes two rubber rings (11), in the axial ends for the outer peripheral surface that two rubber rings (11) are separately positioned on the drain column (13).

10. according to the described in any item spacing protectors of claim 2-9, which is characterized in that the spacing protector further includes Guard circle (2), the axial ends of the guard circle (2) respectively with the circumferential surface and the cover board (3) of first mounting plate (1) Circumferential surface connection.