CN106958620B - Adjustable two-stage impact-resistant isolation device - Google Patents
Adjustable two-stage impact-resistant isolation device Download PDFInfo
- Publication number
- CN106958620B CN106958620B CN201710070477.0A CN201710070477A CN106958620B CN 106958620 B CN106958620 B CN 106958620B CN 201710070477 A CN201710070477 A CN 201710070477A CN 106958620 B CN106958620 B CN 106958620B
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- Prior art keywords
- arc section
- profiled metal
- impact
- metal reed
- thin
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B17/0081—Vibration isolation or damping elements or arrangements, e.g. elastic support of deck-houses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/073—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only leaf springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
A kind of novel adjustable two-stage impact-resistant isolation device, the device includes profiled metal reed and compressed spring, profiled metal reed is to be joined end to end the closed ring structure constituted by two curved metal reeds, compressed spring be connected in ring structure and with connect at the non-endpoint of two curved metal reeds.The present invention provides a kind of novel adjustable two-stage impact-resistant isolation device, and compared with prior art, it is stronger to unload shock loading ability for the shared two-stage shock resistance structure of (1) present invention.(2) for different shock environments, temporary impact load is not identical, can adjust the group number of second level shock resistance structure according to the actual situation, realizes perfect shock resistance effect.(3) it can be apparent from from the curve graph of acceleration and time, the impact resistance of this isolating device is significantly improved compared to traditional anti-impact isolating device.(4) this isolating device structure is simple, symmetrical, takes up space small, can adapt to complicated working environment.
Description
Technical field
The present invention relates to a kind of impact-resistant isolation device, in particular to dress is isolated in a kind of adjustable two-stage type shock resistance
It sets, belongs to equipment anti-shock technical field.
Background technique
Conventional separators are difficult to meet under complex environment, make the demand of equipment impact resistance with higher, this is specially
The a kind of of benefit invention is installed between equipment and hull with two-stage shock resistance structure for the new of submarine or device by ship
The adjustable two-stage impact-resistant isolation device of type can make equipment keep stable work shape under biggish impact loading
State.
Summary of the invention
Goal of the invention: the present invention provides a kind of novel adjustable two-stage impact-resistant isolation device, previous the purpose is to solve
The problems of.
Technical solution:
A kind of novel adjustable two-stage impact-resistant isolation device, it is characterised in that: the device include profiled metal reed and
Compressed spring, profiled metal reed are to be joined end to end the closed ring structure constituted by two curved metal reeds, compress bullet
Spring be connected in ring structure and with connect at the non-endpoint of two curved metal reeds.
Profiled metal reed is made of slab construction, thickening arc section and thin-walled arc section；Slab construction is arranged in abnormity
The end positions of metal spring leaf, thin-walled arc section are located at the arc top position of profiled metal reed, thicken arc section and are located at plate knot
Between structure and thin-walled arc section；
Wherein the rigidity of thin-walled arc section is lower than the rigidity for thickening arc section；In turn, when by temporary impact, thin-wall circular
The deformation that segmental arc generates generates the displacement along thin-walled arc section outer surface normal orientation much larger than arc section is thickeied.
Compressed spring connects thin-walled arc section.
Compressed spring is connect by limiter with profiled metal reed.
Limiter is made of limit pull rod and spacing collar, and wherein limit pull rod front end face connects profiled metal reed, limit
Position pull rod is put in spacing collar, while welding compressed spring in the rear end face of spacing collar；Limit pull rod is can be relative to limit
Position sleeve does the structure of pulling motion, and the part that limit pull rod puts in spacing collar is provided with positive stop end, when being not affected by impact,
There are distances between the front end face and spacing collar front end face inner wall of the positive stop end, so that compressed spring is in relaxation state.
Limit pull rod is welded on the pedestal of connector, and pedestal is connected to profiled metal reed.
First order shock resistance structure, connector and limiter connected to it and compressed spring are made of profiled metal reed
Collectively form second level shock resistance structure.
Wherein second level shock resistance structure shares 3 groups, adjusts the second level according to actual shock environment and shock loading
The quantity of shock resistance structure be one group, two groups or three groups, make profiled metal reed deflection keep within the specified scope, into
And equipment is made to keep stablizing.
The both ends of a pair of of profiled metal reed are separately connected by connecting plate by bolt group, form it into closed ring junction
Structure, and be respectively installed on equipment and submarine or ship by upper and lower two groups of connecting plates；Meanwhile passing through the spiral shell on thin-walled arc section
Pit, installs connector, and fixed by nut and flexible rubber gasket.
When isolating device is acted on by the temporary impact load of vertical direction, first carried out by first order shock resistance structure A
Buffering, i.e. the thin-walled arc section of profiled metal reed generate the displacement in its outer surface normal orientation, unload impact force；In band
When dynamic limit pull rod movement, still there is distance between the front end face and spacing collar front end face inner wall of the positive stop end of limit pull rod, i.e.,
Compressed spring is in relaxation state, and the equipment protected still keeps stable working condition；When first order shock resistance structure not
Temporary impact load can be unloaded completely, and then temporary impact load continues to act on and force the thin-walled arc section of profiled metal reed
Moderate finite deformation is generated, when equipment cannot be made to keep steady operation, the Normal Displacement that thin-walled arc section generates is driven by connector
The limit pull rod of limiter moves in same direction, after reaching set extreme position, i.e., before the positive stop end of limit pull rod
When distance is zero and contacts between end face and spacing collar front end face inner wall, limit pull rod pulls spacing collar to continue to move, together
Shi Ladong is welded on the compressed spring on spacing collar, so that compressed spring is generated stretching displacement, unloads remnants by compressed spring
Shock loading, i.e. second level shock resistance structure play a role, and remaining shock loading is eliminated, and then guarantee that equipment is unaffected.
Advantageous effect:
The present invention provides a kind of novel adjustable two-stage impact-resistant isolation device, and compared with prior art, the present invention is prominent
Advantage is:
(1) the shared two-stage shock resistance structure of the present invention, unloading shock loading ability are stronger.
(2) for different shock environments, temporary impact load is not identical, can adjust the second level according to the actual situation
The group number of shock resistance structure realizes perfect shock resistance effect.
(3) can be apparent from from the curve graph of acceleration and time, the impact resistance of this isolating device compared to
Traditional anti-impact isolating device is significantly improved.
(4) this isolating device structure is simple, symmetrical, takes up space small, can adapt to complicated working environment.
Detailed description of the invention:
Fig. 1 is general structure schematic diagram.
Fig. 2 is the structural schematic diagram of profiled metal reed 1.
Fig. 3 is first order shock resistance structure schematic diagram.
Fig. 4 is limiter structure and its cross-sectional view, and wherein 4-1 is limiter structure chart, and 4-2 is limiter cross-sectional view.
Fig. 5 is operation principle schematic diagram.
Fig. 6 is the acceleration of impact loading to equipment and the curve graph of time under conventional separators protection；Fig. 7
When playing a role for novel adjustable two-stage impact-resistant isolation device, the song with the time of the acceleration of impact loading to equipment
Line chart.
Specific embodiment:
The present invention provides a kind of novel adjustable two-stage impact-resistant isolation device, which includes 1 He of profiled metal reed
Compressed spring 8, profiled metal reed 1 are to be joined end to end the closed ring structure constituted by two curved metal reeds, compression
Spring 8 be connected in ring structure and with connect at the non-endpoint of two curved metal reeds.
Profiled metal reed 1 is made of slab construction 1-1, thickening arc section 1-2 and thin-walled arc section 1-3；Slab construction
The end positions of profiled metal reed 1 are arranged in 1-1, and thin-walled arc section 1-3 is located at the arc top position of profiled metal reed 1, adds
Thick arc section 1-2 is located between slab construction 1-1 and thin-walled arc section 1-3；
Wherein the rigidity of thin-walled arc section 1-3 is lower than the rigidity for thickening arc section 1-2；In turn, when by temporary impact,
The deformation that thin-walled arc section 1-3 is generated is generated along the outer surface thin-walled arc section 1-3 1-3-2 method much larger than arc section 1-2 is thickeied
Displacement to direction.
Compressed spring 8 connects thin-walled arc section 1-3.
Thin-walled arc section 1-3 is typically in the position of arc top one end of profiled metal reed 1, and range appropriate can also expand
Big or diminution.
Compressed spring 8 is connect by limiter 7 with profiled metal reed 1.
Limiter 7 is made of limit pull rod 7-1 and spacing collar 7-2, wherein limit pull rod 7-1 front end face 7-1-1 connection
Profiled metal reed 1, limit pull rod 7-1 are put in spacing collar 7-2, while being welded in the rear end face 7-2-1 of spacing collar 7-2
Compressed spring 8；Limit pull rod 7-1 is the structure that pulling motion can be done relative to spacing collar 7-2, and limit pull rod 7-1 puts in limit
The part of position sleeve 7-2 is provided with positive stop end, when being not affected by impact, the front end face 7-2-2 and spacing collar 7-2 of the positive stop end
There are distances between front end face inner wall 7-1-2, so that compressed spring 8 is in relaxation state.
Limit pull rod 7-1 is welded on the pedestal 6-2 of connector 6, and pedestal 6-2 is connected to profiled metal reed 1.
First order shock resistance structure A, connector 6 and limiter connected to it 7 and compression are made of profiled metal reed 1
Spring 8 collectively forms second level shock resistance structure B.
Wherein shock resistance structure B in the second level shares 3 groups, adjusts the second level according to actual shock environment and shock loading
The quantity of shock resistance structure B is one group, two groups or three groups, keeps the deflection of profiled metal reed 1 within the specified scope,
And then equipment is made to keep stablizing.
The both ends of a pair of of profiled metal reed 1 are separately connected by connecting plate 2 by bolt group 3, form it into closed ring
Shape structure, and be respectively installed on equipment and submarine or ship by upper and lower two groups of connecting plates；Meanwhile passing through thin-walled arc section 1-
Threaded hole 1-3-1 on 3, installs connector 6, and it is fixed by nut 4 and flexible rubber gasket 5.
It is illustrated in detail with reference to the accompanying drawing:
As shown in Figure 1, novel adjustable two-stage impact-resistant isolation device: by profiled metal reed 1, connecting plate 2, bolt group
3, nut 4, flexible rubber gasket 5, connector 6, limiter 7, compressed spring 8 are successively installed according to a graded, in which:
Profiled metal reed 1, connecting plate 2, bolt group 3, nut 4, flexible rubber gasket 5, connector 6, limiter 7 are
Be arranged symmetrically, and be made of first order shock resistance structure A profiled metal reed 1, connector 6 and limiter connected to it 7 with
Compressed spring 8 collectively forms second level shock resistance structure B.
As shown in Fig. 2, slab construction 1-1, thickening arc section 1-2, thin-walled arc section 1- of the profiled metal reed 1 by both ends
3 compositions, processing bolt hole 1-1-1 and half-round cross hole 1-1-2,1-1-3 on slab construction 1-1, wherein bolt hole 1-1-1 is used for
Slab construction 1-1 is bolted to be mounted together with connecting plate 2, and half-round cross hole 1-1-2 is the installation for connecting equipment
Hole, semicircle orifice 1-1-3 are the mounting hole for connecting hull；In thin-walled arc section 1-3 thread mill drilling 1-3-1, for passing through
Nut 4 connects connector 6.
The wherein through-hole of connecting plate 2 equally processing and bolt hole 1-1-1,1-1-2,1-1-3 equivalent diameter.And thin-walled circular arc
The rigidity of section 1-3 is lower than thickening arc section 1-2 rigidity.In turn, when by temporary impact, the change of thin-walled arc section 1-3 generation
Shape generates the displacement along the outer surface thin-walled arc section 1-3 1-3-2 normal orientation much larger than arc section 1-2 is thickeied.Such as Fig. 3 institute
Show, is separately connected the both ends of a pair of of profiled metal reed 1 by connecting plate 2 by bolt group 3, forms it into closed ring junction
Structure, and be respectively installed on equipment and submarine or ship by upper and lower two groups of connecting plates.Meanwhile by thin-walled arc section 1-3
Threaded hole 1-3-1, installs connector 6, and fixed by nut 4 and flexible rubber gasket 5, wherein connector 6 by screw rod 6-1 and
Pedestal 6-2 composition.
As shown in figure 4, limiter 7 is made of pull rod 7-1, spacing collar 7-2, wherein limit pull rod 7-1 front end face 7-1-1
It is welded on the pedestal 6-2 of connector 6, while welding compressed spring 8 in the rear end face 7-2-1 of spacing collar 7-2.
Wherein shock resistance structure B in the second level shares 3 groups, can adjust second according to actual shock environment and shock loading
The quantity of grade shock resistance structure B is one group, two groups or three groups.
In conjunction with Fig. 5, the working principle of novel adjustable two-stage impact-resistant isolation device is as follows:
When isolating device is acted on by the temporary impact load of vertical direction, first carried out by first order shock resistance structure A
Buffering, i.e. the thin-walled arc section 1-3 of profiled metal reed 1 generate the displacement S1 in the 1-3-2 normal orientation of its outer surface, unloading
Impact force；When driving limit pull rod 7-1 movement, the front end front end face 7-2-2 and spacing collar 7-2 of the positive stop end of limit pull rod
Still there is distance between the inner wall 7-1-2 of face, i.e. compressed spring 8 is in relaxation state, and the equipment protected still keeps stable work
Make state；When first order shock resistance structure cannot unload temporary impact load completely, and then temporary impact load continues effect simultaneously
The thin-walled arc section 1-3 of profiled metal reed 1 is forced to generate moderate finite deformation, when equipment cannot be made to keep steady operation, thin-wall circular
The Normal Displacement that segmental arc 1-3 is generated drives the limit pull rod 7-1 of limiter 7 to move in same direction by connector 6, reaches institute
After the extreme position of setting, i.e. front end face 7-2-2 and spacing collar 7-2 front end face the inner wall 7-1-2 of the positive stop end of limit pull rod
Between distance when being zero and contacting, limit pull rod 7-1 pulls spacing collar 7-2 to continue to move, while pulling and being welded on limit sleeve
Compressed spring 8 on cylinder 7-2, makes compressed spring 8 generate stretching displacement S2, remaining shock loading is unloaded by compressed spring 8, i.e.,
Second level shock resistance structure B plays a role, and remaining shock loading is eliminated, and then guarantees that equipment is unaffected.
As shown in Figure 6 and Figure 7, Fig. 6 be under conventional separators protection, the acceleration of impact loading to equipment and when
Between curve graph；When Fig. 7 is that novel adjustable two-stage impact-resistant isolation device plays a role, impact loading to equipment adds
The curve graph with the time of speed.
It is evident that by Fig. 6 and 7.Novel adjustable two-stage impact-resistant isolation device is unloaded compared to traditional isolating device
Shock loading ability is carried to be significantly improved.
Claims (8)
1. a kind of adjustable two-stage impact-resistant isolation device, it is characterised in that: the device includes profiled metal reed (1) and compression
Spring (8), profiled metal reed (1) are to be joined end to end the closed ring structure constituted by two curved metal reeds, compression
Spring (8) be connected in ring structure and with connect at the non-endpoint of two curved metal reeds；
Profiled metal reed (1) is made of slab construction (1-1), thickening arc section (1-2) and thin-walled arc section (1-3)；Plate
The end positions in profiled metal reed (1) are arranged in structure (1-1), and thin-walled arc section (1-3) is located at profiled metal reed (1)
Arc top position thickeies arc section (1-2) and is located between slab construction (1-1) and thin-walled arc section (1-3)；
Wherein the rigidity of thin-walled arc section (1-3) is lower than the rigidity for thickening arc section (1-2)；In turn, when by temporary impact,
The deformation that thin-walled arc section (1-3) generates is generated along the outer surface thin-walled arc section (1-3) much larger than arc section (1-2) is thickeied
The displacement of (1-3-2) normal orientation.
2. adjustable two-stage impact-resistant isolation device according to claim 1, it is characterised in that: compressed spring (8) connection
Thin-walled arc section (1-3).
3. adjustable two-stage impact-resistant isolation device according to claim 1, it is characterised in that: compressed spring (8) passes through
Limiter (7) is connect with profiled metal reed (1).
4. adjustable two-stage impact-resistant isolation device according to claim 3, it is characterised in that: limiter (7) is by limiting
Pull rod (7-1) and spacing collar (7-2) composition, wherein limit pull rod (7-1) front end face (7-1-1) connects profiled metal reed
(1), limit pull rod (7-1) is put in spacing collar (7-2), while being welded and being pressed at the rear end face of spacing collar (7-2) (7-2-1)
Contracting spring (8)；Limit pull rod (7-1) is the structure that pulling motion can be done relative to spacing collar (7-2), limit pull rod (7-1)
The part for putting in spacing collar (7-2) is provided with positive stop end, when being not affected by impact, the front end face (7-2-2) of the positive stop end with
There are distances between spacing collar (7-2) front end face inner wall (7-1-2), so that compressed spring (8) is in relaxation state.
5. adjustable two-stage impact-resistant isolation device according to claim 3, it is characterised in that: limit pull rod (7-1) weldering
It is connected on the pedestal (6-2) of connector (6), pedestal (6-2) is connected to profiled metal reed (1).
6. adjustable two-stage impact-resistant isolation device according to claim 5, it is characterised in that: by profiled metal reed
(1) composition first order shock resistance structure (A), connector (6) and limiter connected to it (7) and compressed spring (8) common structure
At second level shock resistance structure (B).
7. adjustable two-stage impact-resistant isolation device according to claim 6, it is characterised in that: wherein second level anti-impact
It hits structure (B) and shares 3 groups, the quantity of second level shock resistance structure (B) is adjusted according to actual shock environment and shock loading
It is one group, two groups or three groups, keeps the deflection of profiled metal reed (1) within the specified scope, and then keep equipment
Stablize.
8. adjustable two-stage impact-resistant isolation device according to claim 5, it is characterised in that: passed through by bolt group (3)
Connecting plate (2) is separately connected the both ends of a pair of of profiled metal reed (1), forms it into closed ring structure, and by up and down
Two groups of connecting plates are respectively installed on equipment and submarine or ship；Meanwhile passing through the threaded hole (1- on thin-walled arc section (1-3)
3-1), installs connector (6), and it is fixed by nut (4) and flexible rubber gasket (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710070477.0A CN106958620B (en) | 2017-02-09 | 2017-02-09 | Adjustable two-stage impact-resistant isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710070477.0A CN106958620B (en) | 2017-02-09 | 2017-02-09 | Adjustable two-stage impact-resistant isolation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106958620A CN106958620A (en) | 2017-07-18 |
| CN106958620B true CN106958620B (en) | 2019-01-25 |
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| CN201710070477.0A Active CN106958620B (en) | 2017-02-09 | 2017-02-09 | Adjustable two-stage impact-resistant isolation device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812530B (en) * | 2019-03-11 | 2020-04-24 | 北京科技大学 | Broadband high-damping vibration isolator |
| CN111152883B (en) * | 2020-01-09 | 2020-12-08 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Up-down symmetrical thrust bearing base for small water plane catamaran |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4176714A (en) * | 1978-06-15 | 1979-12-04 | K-Shox, Inc. | Shock absorber for oil well pumping unit |
| SU1195089A1 (en) * | 1984-09-12 | 1985-11-30 | Ростовское высшее военное командно-инженерное училище ракетных войск им.М.И.Неделина | Damping element |
| RU2210686C1 (en) * | 2002-04-19 | 2003-08-20 | Ульяновский государственный технический университет | Vibration-isolating support |
| CN2653218Y (en) * | 2003-10-22 | 2004-11-03 | 华中科技大学 | Spring support device |
| CN102632508A (en) * | 2012-04-17 | 2012-08-15 | 浙江大学 | Planar torsion spring suitable for robot joints |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6755027B2 (en) * | 2002-04-10 | 2004-06-29 | The Penn State Research Foundation | Cylindrical spring with integral dynamic gas seal |
-
2017
- 2017-02-09 CN CN201710070477.0A patent/CN106958620B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4176714A (en) * | 1978-06-15 | 1979-12-04 | K-Shox, Inc. | Shock absorber for oil well pumping unit |
| SU1195089A1 (en) * | 1984-09-12 | 1985-11-30 | Ростовское высшее военное командно-инженерное училище ракетных войск им.М.И.Неделина | Damping element |
| RU2210686C1 (en) * | 2002-04-19 | 2003-08-20 | Ульяновский государственный технический университет | Vibration-isolating support |
| CN2653218Y (en) * | 2003-10-22 | 2004-11-03 | 华中科技大学 | Spring support device |
| CN102632508A (en) * | 2012-04-17 | 2012-08-15 | 浙江大学 | Planar torsion spring suitable for robot joints |
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| Publication number | Publication date |
|---|---|
| CN106958620A (en) | 2017-07-18 |
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