CN105756079A - Integral foundation vibration isolation system of forging hammer - Google Patents
Integral foundation vibration isolation system of forging hammer Download PDFInfo
- Publication number
- CN105756079A CN105756079A CN201510899358.7A CN201510899358A CN105756079A CN 105756079 A CN105756079 A CN 105756079A CN 201510899358 A CN201510899358 A CN 201510899358A CN 105756079 A CN105756079 A CN 105756079A
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- China
- Prior art keywords
- foundation
- forging hammer
- forging
- isolation system
- isolator
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- 238000005242 forging Methods 0.000 title claims abstract description 69
- 238000002955 isolation Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000012423 maintenance Methods 0.000 claims abstract description 8
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 239000002390 adhesive tape Substances 0.000 claims description 11
- 238000013016 damping Methods 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 8
- 239000005336 safety glass Substances 0.000 claims description 8
- 239000004567 concrete Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 229920005549 butyl rubber Polymers 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000005357 flat glass Substances 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract 3
- 230000005540 biological transmission Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009414 blockwork Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses an integral foundation vibration isolation system of a forging hammer. The integral foundation vibration isolation system of the forging hammer consists of a foundation rigid mass block, a spring vibration isolator, a foundation pit, a maintenance climb ladder, a forging hammer limiting damper, elastic sealing rubber strips and dustproof cover plates, wherein the foundation pit is made of reinforced concrete; the upper part of the foundation pit is parallel to the ground of a workshop; the foundation pit consists of a surrounding wall body, a bottom plate, a trapezoidal ground beam, a water accumulating channel and a water accumulating plash; the spring vibration isolator is arranged between the trapezoidal ground beam and the foundation rigid mass block; a repair passage is remained between the foundation rigid mass block and the bottom plate of the foundation pit; the foundation rigid mass block is reinforced concrete in a steel-plate cubic box body; mounting bolts of a forging hammer body and an anvil block are reserved at the upper part of the foundation rigid mass block; a gap is remained between the foundation rigid mass block and the wall body of the foundation pit; the forging hammer limiting damper is arranged at an upper part between the foundation rigid mass block and the wall body of the foundation pit; the elastic sealing rubber strips are mounted at the upper parts of the foundation rigid mass block and the wall body of the foundation pit; the dustproof cover plates are arranged in grooves of the elastic sealing rubber strips.
Description
Technical field
The present invention relates to a kind of noise and vibration control technology, especially monoblock type foundation of forging hammers vibrating isolation system.
Background technology
Forging hammer is the industry widely used devices such as machinery, metallurgy, mine, automobile, boats and ships.Being impact owing to the tup of forging hammer works, produce very big hitting power, the blow speed moment of tup is down to zero.Tup impact forging produce more than 100dB(A) airborne noise, have a strong impact on workshop acoustic environment, cause the labor condition of workshop to worsen, make the health of operator suffer damage.Meanwhile, impulsive force will be transmitted toward foundation ground by anvil block, fuselage, form solid structure acoustic propagation.Solid structure sound spread speed in the earth is fast, and decay is slow, makes the fabric structure of workshop and periphery thereof suffer damage, and neighbouring resident living is affected by vibration transmission and effect of noise.
Traditional forging hammer vibration isolation is that forging hammer is arranged on a very big reinforced concrete foundation block, in order to the huge dynamic load produced when making forging hammer work is got forwarded on ground by basic blocks again.Owing to seat and the fuselage of flat-die hammer are splits, so the vibration isolation way of flat-die hammer can be divided into split type and monoblock type.Split type vibration isolation is exactly at anvil block vibration isolator installed below, and fuselage and outer basis connect, and this mode is relatively simple, but shortcoming is also apparent from;Anvil block only has damping effect due to vibration isolator, and part kinetic energy when forging hammer hits outwards is transmitted by fuselage, so, integral vibration isolation efficiency is very low.Fuselage and basis are rigidly connected, and anvil block is by elastomeric support, and causing anvil block to have has relatively large amplitude with fuselage.The easy run-off the straight of anvil block, makes hammer stem, guide well damage.Monoblock type vibration isolation is exactly forging hammer fuselage and anvil block are arranged on a common rigid block, arranges vibration isolator, arrange foundation pit simultaneously under mass of foundation block.Monoblock type vibration isolation ensure that fuselage and anvil block work on a common basis, and forging hammer body vibration is unified, the approach that dynamic load does not outwards transmit, so, vibration isolation efficiency is very high.
Summary of the invention
The impact vibrated operator and the building of workshop and periphery thereof to eliminate forging hammer to make an uproar, the present invention provides forging hammer noise and vibration control system, can intercept the impact of vibration transmission, it is prevented that the destruction to building structure.
The technical solution adopted for the present invention to solve the technical problems is: a kind of monoblock type foundation of forging hammers vibrating isolation system, by basic rigidity mass, spring vibration-isolator, basis melt pit, safeguard climb ladder, forging hammer limited displacement damper, elastic packing adhesive tape, dust cover form, described basic melt pit system monolithic reinforced-concrete structures, being made up of the body of wall of surrounding, base plate, trapezoidal grade beam, water leg, plash, top is parallel with mill floor;Spring vibration-isolator is arranged between trapezoidal grade beam and basic rigidity mass, leaves maintenance channel between basic rigidity mass and basis melt pit base plate;Basic rigidity mass is armored concrete in steel plate bin-cube body, and the installation bolt of forging hammer fuselage, anvil block is reserved on top;Basic rigidity mass and basis melt pit body of wall leave interval, and forging hammer limited displacement damper is arranged on the top between basic rigidity mass and basis melt pit body of wall;Elastic packing adhesive tape is arranged on basic rigidity mass and melt pit body of wall top, basis, and dust cover is arranged in the groove of elastic packing adhesive tape.
Described dust cover is made up of decorative pattern metal plate and safety glass, and decorative pattern metal plate, safety glass are spaced.Safety glass can meet the daylighting needs of the maintaining personnel of vibration insulation structure, and decorative pattern metal plate prevents operator from slipping through out-of-date, improves safety.
Described forging hammer limited displacement damper is made up of Study on The Damping Property of Butyl Rubber and fixing load-carrying member, and the load scope of forging hammer limited displacement damper is more than the dynamic load in forging hammer maximum horizontal direction.Meanwhile, the sectional area of elastic damping block is relatively big, and the total load head scope of several piece elastic damping block meets the Z-direction of forging hammer monoblock type vibrating isolation system, X to the total load head of, Y-direction.The damping and amortization of butyl rubber is preferably, it is possible to supplement the deficiency of spring vibration-isolator damped coefficient, after forging hammer can be made to impact, makes basic rigidity mass rapidly return back to equilbrium position.
Described spring vibration-isolator adopts the arrangement of symmetric configuration form, and meanwhile, partial spring vibration isolator can move about adjustment as required, to ensure that the center of rigidity of forging hammer fuselage, anvil block, basic rigidity mass and spring vibration-isolator is on same plumb line.Described spring vibration-isolator system scalable low frequency damping spring compound vibration-damper.Scalable low frequency damping spring composite vibration isolator load wide ranges, natural frequency is low, owing to top is configured with adjustable apparatus, it is possible to regulate the height of vibration isolator, convenient for maintaining and replacing.Have employed combination type isolation spring, lateral stiffness is also relatively big, and vibration isolator is furnished with rubber blanket up and down and fixes, better effects if when sound insulation, vibration isolation and suppression high-frequency fluctuation.The vibrating isolation system of basis vibration insulation structure uses the forging hammer limited displacement damper of same model, and owing to taking the multiple vibration isolation elements compared with small load in the conceived case, the load that each vibration isolation element bears should be equal, with
Meet vibrating isolation system equalization stable.In actual applications, take the multiple vibration isolation elements compared with small load, each spring rate can have very wide range of choice, it is ensured that significantly high vibration isolation efficiency, it is possible to reduces setup cost (single large-scale excess load steel spring vibration isolator setup cost is far above multiple conventional steel spring vibration-isolator).The total best load of all vibration isolation elements should be determined according to forging hammer fuselage, anvil block, basic rigidity mass and impact total load head.
Described water leg is in the relatively low side of melt pit base plate, basis, and water leg, through trapezoidal grade beam bottom, tilts to plash.Owing to, in forging hammer work process, using lubricating oil etc., inevitably producing oil liquid leakage phenomenon, on basis, melt pit arranges plash, in order to collect the fluid etc. discharged.Described maintenance is climbed ladder and is arranged on one jiao of basis melt pit.
The design of foundation of forging hammers vibrating isolation system is according to forging hammer fuselage, the basic size of anvil block, type;The quality of falling bodies;The maximal rate of falling bodies;Forging hammer fuselage, anvil block quality;Forging hammer falling bodies frequency of impact;Basic rigidity mass, basis melt pit permission amplitude or allow vibration velocity.Calculate profile and the quality of basic rigidity mass, the load scope of composite vibration isolator, natural frequency, the damped coefficient of forging hammer limited displacement damper.
Owing to basic rigidity mass quality is much larger than device systems quality, the mass of vibration of monoblock type foundation of forging hammers vibrating isolation system can be improved, reduce system gravity, the Oscillation Amplitude of effective low device systems can be dropped, the vibration transfer ratio example that the enormous impact power produced when reducing forging hammer work produces.
The setting of monoblock type foundation of forging hammers vibrating isolation system, can be in accordance with the following steps:
1, mill floor digs basis melt pit, according to geological condition, according to " Code for design of dynamic machine foundation " GBJ40-79, arranges lay a good foundation or arranges pit base structure;
2, body of wall, base plate, trapezoidal ground beam steel are installed, pre-buried water leg pvc pipe, mounting base, body of wall, trapezoidal ground beam template, (reserved plash);
3, base plate, body of wall, trapezoidal grade beam concrete are built;
4, supporting construction is set between base plate and container body of steel plate;
5, scene is welded the container body of steel plate of basic rigidity mass, arranges reinforcing bar and the installation screw rod of forging hammer fuselage, anvil block in container body of steel plate;Maintenance is installed and climbs ladder;
6, basic rigidity mass concrete is built;
7, spring vibration-isolator is installed, elastic packing adhesive tape, dust cover, cutting water leg pvc pipe top are installed;
8, forging hammer fuselage, anvil block are installed, remove supporting construction, adjustment member spring vibration-isolator position, forging hammer limited displacement damper is installed.
The invention has the beneficial effects as follows: 1, use container body of steel plate, improve installation effectiveness;2, effectively intercepting solid structure sound transmission during forging hammer work, the fabric structure of protection workshop and periphery thereof avoids the infringement of ripple vibrated;3, the resident living near protection is affected by vibration transmission and effect of noise;4, maintaining and the replacing of spring vibration-isolator are conducive to.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the front view of monoblock type foundation of forging hammers vibrating isolation system embodiment.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is A-A profile.
In figure: 1. basic rigidity mass, 2. spring vibration-isolator, 3. basis melt pit, 31. bodies of wall, 32. base plates, 33. trapezoidal grade beam, 34. water legs, 35. plash, 4. safeguard and climb ladder, 5. forging hammer limited displacement damper, 6. elastic packing adhesive tape, 7. dust cover, 71. decorative pattern metal plates, 72. safety glass.
Detailed description of the invention
In the embodiment shown in Fig. 1,2,3, a kind of monoblock type foundation of forging hammers vibrating isolation system, by basic rigidity mass 1, spring vibration-isolator 2, basis melt pit 3, safeguard climb ladder 4, forging hammer limited displacement damper 5, elastic packing adhesive tape 6, dust cover 7 form, the monolithic reinforced-concrete that described basic melt pit 3 is made up of the body of wall 31 of surrounding, base plate 32, trapezoidal grade beam 33, plash 34, top is parallel with mill floor;Spring vibration-isolator 2 is arranged between trapezoidal grade beam 33 and basic rigidity mass 1, leaves maintenance channel between basic rigidity mass 1 and basis melt pit 3 base plate 32;Basic rigidity mass 1 is armored concrete in steel plate bin-cube body, and the installation bolt of forging hammer fuselage, anvil block is reserved on top;Basic rigidity mass 1 and basis melt pit 3 body of wall 31 leave interval, and forging hammer limited displacement damper 5 is arranged on the top between basic rigidity mass 1 and basis melt pit 3 body of wall 31;Elastic packing adhesive tape 6 is arranged on basic rigidity mass 1 and melt pit 3 body of wall 31 top, basis, and dust cover 1 is arranged in the groove of elastic packing adhesive tape 6.
Described dust cover 7 is made up of decorative pattern metal plate 71 and safety glass 72, and decorative pattern metal plate 71, safety glass 72 are spaced.Described forging hammer limited displacement damper 5 is made up of butyl rubber damping block and fixing load-carrying member, and the load scope of forging hammer limited displacement damper 5 is more than the dynamic load in forging hammer maximum horizontal direction.
Described spring vibration-isolator 2 adopts symmetric configuration form to arrange, and meanwhile, partial spring vibration isolator 2 can move about adjustment as required, to ensure that the center of rigidity of forging hammer fuselage, anvil block, basic rigidity mass 1 and spring vibration-isolator 2 is on same plumb line.Described spring vibration-isolator 2 is scalable low frequency damping spring compound vibration-damper.Described water leg 34 is in the relatively low side of melt pit 3 base plate 32, basis, and water leg 34, through trapezoidal grade beam 33 bottom, tilts to plash 35.Described maintenance is climbed ladder 4 and is arranged on one jiao of basis melt pit 3.
Should be appreciated that without departing from the scope of the present invention, it is possible to above-described embodiment is made multiple change.All any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, each fall within protection scope of the present invention.
Claims (7)
1. a monoblock type foundation of forging hammers vibrating isolation system, by basic rigidity mass, spring vibration-isolator, basis melt pit, safeguard climb ladder, forging hammer limited displacement damper, elastic packing adhesive tape, dust cover form, it is characterized in that: the monolithic reinforced-concrete that described basic melt pit is made up of the body of wall of surrounding, base plate, trapezoidal grade beam, water leg, plash, top is parallel with mill floor, is made up of the body of wall of surrounding, base plate, trapezoidal grade beam, plash;Spring vibration-isolator is arranged between trapezoidal grade beam and basic rigidity mass, leaves maintenance channel between basic rigidity mass and basis melt pit base plate;Basic rigidity mass is armored concrete in steel plate bin-cube body, and the installation bolt of forging hammer fuselage, anvil block is reserved on top;Basic rigidity mass and basis melt pit body of wall leave interval, and forging hammer limited displacement damper is arranged on the top between basic rigidity mass and basis melt pit body of wall;Elastic packing adhesive tape is arranged on basic rigidity mass and melt pit body of wall top, basis, and dust cover is arranged in the groove of elastic packing adhesive tape;The pipeline connecting forging hammer equipment arranges flexible joint or soft pipeline.
2. monoblock type foundation of forging hammers vibrating isolation system according to claim 1, is characterized in that: described dust cover is made up of decorative pattern metal plate and safety glass, and decorative pattern metal plate, safety glass are spaced.
3. monoblock type foundation of forging hammers vibrating isolation system according to claim 1, is characterized in that: described forging hammer limited displacement damper is made up of Study on The Damping Property of Butyl Rubber and fixing load-carrying member, the load scope of forging hammer limited displacement damper is more than the dynamic load in forging hammer maximum horizontal direction.
4. monoblock type foundation of forging hammers vibrating isolation system according to claim 1, it is characterized in that: described spring vibration-isolator adopts the arrangement of symmetric configuration form, simultaneously, partial spring vibration isolator can move about adjustment as required, to ensure that the center of rigidity of forging hammer fuselage, anvil block, basic rigidity mass and spring vibration-isolator is on same plumb line.
5. monoblock type foundation of forging hammers vibrating isolation system according to claim 1, is characterized in that: described spring vibration-isolator system scalable low frequency damping spring compound vibration-damper.
6. monoblock type foundation of forging hammers vibrating isolation system according to claim 1, is characterized in that: described water leg is in the relatively low side of melt pit base plate, basis, and water leg, through trapezoidal grade beam bottom, tilts to plash.
7. monoblock type foundation of forging hammers vibrating isolation system according to claim 1, is characterized in that: described maintenance is climbed ladder and is arranged on one jiao of basis melt pit.
Priority Applications (1)
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CN201510899358.7A CN105756079B (en) | 2015-12-09 | 2015-12-09 | Monoblock type foundation of forging hammers vibrating isolation system |
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CN201510899358.7A CN105756079B (en) | 2015-12-09 | 2015-12-09 | Monoblock type foundation of forging hammers vibrating isolation system |
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CN105756079A true CN105756079A (en) | 2016-07-13 |
CN105756079B CN105756079B (en) | 2018-02-16 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN85200349U (en) * | 1985-04-01 | 1986-07-30 | 机械工业部设计研究总院 | Vibrating isolation unit for impact device |
CN1807776A (en) * | 2006-02-11 | 2006-07-26 | 湖北三环锻造有限公司 | Shock absorbing system for forging hammer |
CN202162319U (en) * | 2011-07-18 | 2012-03-14 | 新汶矿业集团有限责任公司 | Stamping hammer base |
RO127966A2 (en) * | 2011-02-18 | 2012-11-29 | Universitatea Tehnică Din Cluj-Napoca | Mechanism for adjusting the magnitude of the stroke (amplitude) carried out by the vibration insulator sptings of the forging hammers |
CN203599449U (en) * | 2013-12-03 | 2014-05-21 | 福州金锻工业有限公司 | Forging hammer shock absorber with dust hood |
-
2015
- 2015-12-09 CN CN201510899358.7A patent/CN105756079B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN85200349U (en) * | 1985-04-01 | 1986-07-30 | 机械工业部设计研究总院 | Vibrating isolation unit for impact device |
CN1807776A (en) * | 2006-02-11 | 2006-07-26 | 湖北三环锻造有限公司 | Shock absorbing system for forging hammer |
RO127966A2 (en) * | 2011-02-18 | 2012-11-29 | Universitatea Tehnică Din Cluj-Napoca | Mechanism for adjusting the magnitude of the stroke (amplitude) carried out by the vibration insulator sptings of the forging hammers |
CN202162319U (en) * | 2011-07-18 | 2012-03-14 | 新汶矿业集团有限责任公司 | Stamping hammer base |
CN203599449U (en) * | 2013-12-03 | 2014-05-21 | 福州金锻工业有限公司 | Forging hammer shock absorber with dust hood |
Non-Patent Citations (2)
Title |
---|
刘明伦: "B-5型桥式5吨自由锻锤的防震基础", 《上海机械》 * |
杨淳朴等: "锻锤的振动和防振问题", 《锻压机械》 * |
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