CN104316284A - Method and device for prolonging use life of impact hammer - Google Patents
Method and device for prolonging use life of impact hammer Download PDFInfo
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- CN104316284A CN104316284A CN201410577332.6A CN201410577332A CN104316284A CN 104316284 A CN104316284 A CN 104316284A CN 201410577332 A CN201410577332 A CN 201410577332A CN 104316284 A CN104316284 A CN 104316284A
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- impact
- tup
- block
- mounting blocks
- serviceable life
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Abstract
The invention discloses a method and a device for prolonging use life of an impact hammer. The device for prolonging the use life of the impact hammer comprises an installation block, an energy absorption block, the impact hammer and an impact block, wherein an inner cavity is formed between the impact hammer and the installation block, the energy absorption block is placed in the inner cavity, the impact hammer is fixedly connected with the installation block, the installation block is fixedly arranged on an impact table, and the impact block is fixedly arranged on an impact bottom seat. The method for prolonging the use life of the impact hammer includes the steps that the impact hammer transmits impact energy to the energy absorption block during the impact process, and then the energy absorption block is deformed, impact stress applied onto the impact hammer is reduced, and therefore the use life of the impact hammer is prolonged. The method and the device for prolonging the use life of the impact hammer reduce the impact stress applied onto the impact hammer during the impact process, prolong the use life of the impact hammer and reduce use costs by modifying the structure of the impact hammer and using the energy absorption block to absorb impact energy. Simultaneously, the device for prolonging the use life of the impact hammer is simple in structure, convenient to operate and low in cost.
Description
Technical field
The present invention relates to method and the device thereof in a kind of environmental test equipment serviceable life extending high speed impact, particularly relate to and a kind ofly extend the method and device thereof of impacting tup serviceable life.
Background technology
Environmental test equipment is mainly used in simulation by the actual working environment of test specimen, to examine by the reliability in the test specimen course of work and Structural integrity.The working environment of some equipment or components and parts is exactly high speed impact environment.For the testing equipment of simulation high speed impact environment, often depend on the serviceable life of its parts its serviceable life, especially the serviceable life of Contact-impact parts.
Impact test equipment comes from the mutual shock of two masses, impact velocity for the impact failure environment provided by test specimen
,
for the action time of impact acceleration.For the impact block of different materials, acceleration action time
not identical.Therefore, the impact acceleration that identical impact velocity v produces
also be not identical.
By
, the impulsive force that namely shock contact element is subject to is directly proportional to impact acceleration.For the shock contact element of certain size, its lifting surface area
scertain, by
, impact the stress to clashing into contact element generation
with impulsive force
be directly proportional, be also and impact acceleration
be directly proportional, with working time of collision
be inversely proportional to.
Consider strength factor, in the high speed impact testing equipment course of work, Contact-impact parts often adopt steel components, to bear huge impact acceleration.Meanwhile, due to the processing in engineering and assembly precision problem, two shock contact elements cannot completely with plane contact, so usually make a plane and a large diameter sphere-contact during design, contact area is less.
Verify by analysis, the working time of collision of steel to steel
, conventional shock surface of contact is the circle of diameter 5mm.Yield strength after metal material 45 steel conventional is at present modified
, the yield strength of spring steel 60Si2MnA after standard heat treatment
.
By
can draw, surface of contact is the bowlder of diameter 5mm, and the maximum impact force that 45 steel can bear is 1078.125N, and the maximum impact force that spring steel 60Si2MnA can bear is 4375N.If the quality of impact part
, by
can obtain, the impact acceleration that above-mentioned 45 Steel materials can bear is 2.17m/s
2, the impact acceleration that above-mentioned spring steel 60Si2MnA material can bear is 8.75m/s
2; Once exceed above-mentioned data, clash into contact element and just can produce fatigue yield, occur the defect such as depression, erosion point.
And impact energy actual in engineering is often greater than above-mentioned numerical value, dynamic environmental test equipment must meet the requirement of engineering real data folding, for guaranteeing the accuracy tested, the usual impact block installing detachable replacing on two collision parts mutually clashed into respectively at present, after tired plastic yield occurs impact block, change new impact block.
But the life-span of current impact block is shorter, and user frequently need change impact block, manufactures, use cost is higher.
Summary of the invention
The object of the invention is to propose a kind ofly extend the method and device thereof of impacting tup serviceable life, extend the cycle of impacting the tired plastic yield of tup with minimum manufacturing cost and use cost, to extend the serviceable life of impact device, improve current condition.
As described in the background art, under the same conditions, the stress to clashing into contact element generation is impacted
with impulsive force
be directly proportional, be also and impact acceleration
be directly proportional, with working time of collision
be inversely proportional to.By extending working time of collision
, reduce impact acceleration
, reduce to impact the shock stress to clashing into contact element generation
, to extend the life-span of impacting tup.
For achieving the above object, present invention employs following technical scheme:
With regard to extending the method in impact tup serviceable life:
It is as follows that the present invention solves the problems of the technologies described above the method provided, first energy absorbent block is placed in the inner chamber between described impact tup and mounting blocks, energy absorbent block pushed down by the side boss of described impact tup, and impact tup is fixedly connected with mounting blocks, again mounting blocks is fixedly installed on and impacts on table top, impact block is fixedly installed on and impacts on base, in impact process, impact tup and impact energy is passed to energy absorbent block, energy absorbent block is made to produce distortion, the shock stress of impacting suffered by tup is reduced, thus extends the serviceable life of impacting tup.
As one of preferred version of the present invention, cushion pad is set between described impact tup and impact block, and cushion pad is fixedly connected with impact block.
Preferably, described inner chamber is arranged on mounting blocks or is arranged on and impacts on tup or be arranged on mounting blocks simultaneously and impact on tup.
More preferred, described inner chamber is arranged on mounting blocks.
Further say, described intracavity diameter is greater than energy absorbent block external diameter, and the degree of depth of described inner chamber is greater than the thickness of energy absorbent block.
One of preferably, described impact tup is fixedly connected with by screw with mounting blocks, and the distribution circle of attachment screw is greater than inner chamber internal diameter, is less than and impacts tup external diameter, and the head of attachment screw is not higher than the shock surface impacting tup.
Preferably, described impact tup both sides are respectively provided with a boss, and wherein boss diameter in side coordinates with inner chamber, and opposite side boss upper surface is designed to large spherical structure.
With regard to extending the device in impact tup serviceable life:
The present invention extends for solveing the technical problem provide a kind of the device impacting tup serviceable life, it comprises mounting blocks, energy absorbent block, impact tup and impact block, described mounting blocks is fixedly installed on and impacts on table top, described impact block is fixedly installed on and impacts on base, an inner chamber is set between described impact tup and mounting blocks, described energy absorbent block is placed in this inner chamber, and described impact tup is fixedly connected with mounting blocks.
One of preferably, be provided with cushion pad between described impact tup and impact block, described cushion pad is fixedly connected with impact block.
Preferably, described inner chamber is arranged on mounting blocks or is arranged on and impacts on tup or be arranged on mounting blocks simultaneously and impact on tup.More preferred, described inner chamber is arranged on mounting blocks.
Utilize method of the present invention and device thereof, in impact process, impact energy can be passed to energy absorbent block owing to impacting tup, make energy absorbent block produce distortion, to extend working time of collision
, reduce impact acceleration
, the shock stress of impacting suffered by tup is reduced, extends the serviceable life of impacting tup, reduce use cost.
Compared with prior art, the invention has the advantages that: by analyzing the stressed of ram hammer head, and structure is improved, adopt the method reducing impact acceleration, reduce the shock stress of impacting tup and being subject in the course of the work, extend the serviceable life of impacting tup, simultaneously, structure of the present invention is simple, easy to operate, with low cost.
Accompanying drawing explanation
In order to be illustrated more clearly in architectural feature of the present invention and technical essential, below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Fig. 1 is the structural representation of a preferred embodiment of the present invention;
Fig. 2 is the vertical application state schematic diagram of a preferred embodiment of the present invention;
Fig. 3 is a preferred embodiment horizontal application view of the present invention.
Description of reference numerals: 1-mounting blocks, 2-energy absorbent block, 3-impacts tup, 4-cushion pad, 5-impact block, 6-guide piece, 7-hoisting gear, and 8-impacts table top, and 9 impact base, 10-propulsion plant.
Embodiment
Below in conjunction with the accompanying drawing in the present embodiment, do specifically, clearly and completely to describe further to the technical scheme in embodiment.
Accompanying drawings 1, for a kind of of the present embodiment extends the device impacting tup serviceable life, it comprises a mounting blocks 1, energy absorbent block 2, impacts tup 3, cushion pad 4 and impact block 5, described mounting blocks 2 is arranged an inner chamber, energy absorbent block 2 is placed in this inner chamber, wherein, described inner chamber also can be arranged on and impacts on tup 3 or be arranged on mounting blocks 1 simultaneously and impact on tup 3.Described intracavity diameter is greater than energy absorbent block 2 external diameter, and the degree of depth of described inner chamber is greater than the thickness of energy absorbent block 2.
Impact tup 3 to be fixedly connected with by screw with mounting blocks 1, the distribution circle of attachment screw is greater than inner chamber internal diameter, is less than and impacts tup 3 external diameter, and the head of attachment screw is not higher than the shock surface impacting tup 3.Described impact tup 3 both sides are respectively provided with a boss, and wherein boss diameter in side coordinates with inner chamber, pushes down energy absorbent block 2, and opposite side boss upper surface is designed to large spherical structure.
Impact between tup 3 and impact block 5 and install cushion pad 4, and be fixedly connected with impact block 5 by cushion pad 4, wherein, cushion pad 4 also can not be installed.
Accompanying drawings 2, in the present embodiment, mounting blocks 1 is fixed on and impacts on table top 8 bottom surface, impact table top 8 to move along guide piece 6 as vertical direction, rise to setting height by hoisting gear 7 to discharge, impact table top 8 slides along the guide piece 6 of both sides, impact tup 3 and be arranged on the impact block 5 on base 9 or the cushion pad 4 on impact block 5 clashes into, producing approximate half-sine wave.Because hoisting depth can set, the potential energy impacting table top 8 and each parts acquisition mounted thereto is known, namely
,had by energy conservation
known, the impact velocity transformed under gravity
, had by half-sine wave, impact velocity
when certain, extend
, then impact acceleration can be reduced
, by
, the impact forces that impact tup bears can be reduced, by
, wherein
for percussive action area, then impact the shock stress that tup bears
reduce, thus the serviceable life of impacting tup can be extended.
Accompanying drawings 3, in the present embodiment, mounting blocks 1 is fixed on and impacts on table top 8 bottom surface, impact table top 8 and can make horizontal motion along guide piece 6, propulsion assembly 10 drives impact table top 8 level to move right, impact tup 3 is clashed into the impact block 5 be arranged on base 9 or cushion pad 4, produces approximate half-sine wave.The impact velocity of impacting tup 3 is provided by propulsion assembly 10,
, had by half-sine wave, impact velocity
when certain, extend
, then impact acceleration can be reduced
, by
, the impact forces that impact tup bears can be reduced, by
, wherein S is percussive action area, then impact the shock stress that tup bears
reduce, thus the serviceable life of impacting tup can be extended.
In sum, utilize method of the present invention and device thereof, in impact process, impact energy can be passed to energy absorbent block owing to impacting tup, make energy absorbent block produce distortion, to extend working time of collision
, reduce impact acceleration
, the shock stress of impacting suffered by tup is reduced, extends the serviceable life of impacting tup, reduce use cost.
Above preferred embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, done various conversion or modification, all belong to category of the present invention.
Claims (10)
1. extend a method of impacting tup serviceable life, it is characterized in that, the described method of impacting tup serviceable life that extends is as follows:
First energy absorbent block (2) is placed in the inner chamber impacted between tup (3) and mounting blocks (1), energy absorbent block (2) pushed down by the side boss of described impact tup (3), and tup (3) will be impacted be fixedly connected with mounting blocks (1), again mounting blocks (1) is fixedly installed on and impacts on table top (8), impact block (5) is fixedly installed on and impacts on base (9), in impact process, impact tup (3) and impact energy is passed to energy absorbent block (2), energy absorbent block (2) is made to produce distortion, the shock stress of impacting suffered by tup (3) is reduced, thus extend the serviceable life of impacting tup (3).
2. a kind of method extending impact tup serviceable life according to claim 1, is characterized in that, arrange cushion pad (4), and be fixedly connected with impact block (5) by cushion pad (4) between described impact tup (3) and impact block (5).
3. a kind of method extending impact tup serviceable life according to claim 1 and 2, it is characterized in that, described inner chamber is arranged on mounting blocks (1) or is arranged on and impacts on tup (3) or be arranged on mounting blocks (1) simultaneously and impact on tup (3).
4. a kind of method extending impact tup serviceable life according to claim 3, it is characterized in that, described inner chamber is arranged on mounting blocks (1).
5. a kind of method extending impact tup serviceable life according to claim 1 and 2, it is characterized in that, described intracavity diameter is greater than energy absorbent block (2) external diameter, and the degree of depth of described inner chamber is greater than the thickness of energy absorbent block (2).
6. a kind of method extending impact tup serviceable life according to claim 1, it is characterized in that, described impact tup (3) is fixedly connected with by screw with mounting blocks (1), the distribution circle of attachment screw is greater than inner chamber internal diameter, be less than and impact tup (3) external diameter, and the head of attachment screw is not higher than the shock surface impacting tup (3).
7. a kind of method extending impact tup serviceable life according to claim 1 or 6, it is characterized in that, the both sides of described impact tup (3) are respectively provided with boss, and wherein boss diameter in side coordinates with inner chamber, and the upper surface of opposite side boss is large spherical structure.
8. one kind for realizing a kind of device extending the method for impacting tup serviceable life according to claim 1, it is characterized in that, the described device impacting tup serviceable life that extends comprises mounting blocks (1), energy absorbent block (2), impact tup (3) and impact block (5), described mounting blocks (1) is fixedly installed on and impacts on table top (8), described impact block (5) is fixedly installed on and impacts on base (9), between described impact tup (3) and mounting blocks (1), an inner chamber is set, described energy absorbent block (2) is placed in this inner chamber, described impact tup (3) is fixedly connected with mounting blocks (1).
9. a kind of device extending impact tup serviceable life according to claim 8, it is characterized in that, be provided with cushion pad (4) between described impact tup (3) and impact block (5), described cushion pad (4) is fixedly connected with impact block (5).
10. according to claim 8 or claim 9 a kind of extends the device impacting tup serviceable life, it is characterized in that, described inner chamber is arranged on mounting blocks (1) or is arranged on and impacts on tup (3) or be arranged on mounting blocks (1) simultaneously and impact on tup (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410577332.6A CN104316284A (en) | 2014-10-24 | 2014-10-24 | Method and device for prolonging use life of impact hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410577332.6A CN104316284A (en) | 2014-10-24 | 2014-10-24 | Method and device for prolonging use life of impact hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104316284A true CN104316284A (en) | 2015-01-28 |
Family
ID=52371546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410577332.6A Pending CN104316284A (en) | 2014-10-24 | 2014-10-24 | Method and device for prolonging use life of impact hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104316284A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115443A (en) * | 2018-06-15 | 2019-01-01 | 芜湖华特电子科技有限公司 | A kind of industry embedded computer device for detecting performance |
| CN113218788A (en) * | 2021-04-29 | 2021-08-06 | 安徽理工大学 | Multi-particle impact crushing experiment platform |
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| DE8213740U1 (en) * | 1982-05-12 | 1982-09-30 | Ullmann, Adolf, 7321 Dürnau | Soft hammer |
| CN2207918Y (en) * | 1994-11-19 | 1995-09-20 | 黄康都 | Welding slag knocking hammer |
| JP2002086369A (en) * | 2000-09-11 | 2002-03-26 | Shigeaki Kosaka | Single-hand hammer |
| CN1598519A (en) * | 2004-07-22 | 2005-03-23 | 苏州东菱振动试验仪器有限公司 | Composite table top structure of high acceleration impact test table |
| CN201163233Y (en) * | 2008-03-03 | 2008-12-10 | 苏州试验仪器总厂 | Independent oil cylinder type gas-liquid supercharging contracting brake anti-shake impact testing bench |
| JP2010271116A (en) * | 2009-05-20 | 2010-12-02 | Applied Research Kk | Blow hammer for diagnosis of integrity, and method for diagnosis of integrity in concrete structure using the same |
| CN202066660U (en) * | 2011-05-20 | 2011-12-07 | 北京东方振动和噪声技术研究所 | Elastic force hammer |
| CN202141575U (en) * | 2011-07-12 | 2012-02-08 | 苏州世力源科技有限公司 | Fixable half-sine waveform generator |
| JP2013035100A (en) * | 2011-08-08 | 2013-02-21 | Hitoshi Mochizuki | Recoilless hammer |
| CN202853873U (en) * | 2012-09-03 | 2013-04-03 | 苏州世力源科技有限公司 | Pneumatic type high acceleration vertical impact device |
| CN203824729U (en) * | 2014-04-17 | 2014-09-10 | 合肥安达数控技术有限责任公司 | Impact property test bench for vehicle transmission shaft |
| CN204085837U (en) * | 2014-10-24 | 2015-01-07 | 苏州世力源科技有限公司 | A kind of device extending impact tup serviceable life |
-
2014
- 2014-10-24 CN CN201410577332.6A patent/CN104316284A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8213740U1 (en) * | 1982-05-12 | 1982-09-30 | Ullmann, Adolf, 7321 Dürnau | Soft hammer |
| CN2207918Y (en) * | 1994-11-19 | 1995-09-20 | 黄康都 | Welding slag knocking hammer |
| JP2002086369A (en) * | 2000-09-11 | 2002-03-26 | Shigeaki Kosaka | Single-hand hammer |
| CN1598519A (en) * | 2004-07-22 | 2005-03-23 | 苏州东菱振动试验仪器有限公司 | Composite table top structure of high acceleration impact test table |
| CN201163233Y (en) * | 2008-03-03 | 2008-12-10 | 苏州试验仪器总厂 | Independent oil cylinder type gas-liquid supercharging contracting brake anti-shake impact testing bench |
| JP2010271116A (en) * | 2009-05-20 | 2010-12-02 | Applied Research Kk | Blow hammer for diagnosis of integrity, and method for diagnosis of integrity in concrete structure using the same |
| CN202066660U (en) * | 2011-05-20 | 2011-12-07 | 北京东方振动和噪声技术研究所 | Elastic force hammer |
| CN202141575U (en) * | 2011-07-12 | 2012-02-08 | 苏州世力源科技有限公司 | Fixable half-sine waveform generator |
| JP2013035100A (en) * | 2011-08-08 | 2013-02-21 | Hitoshi Mochizuki | Recoilless hammer |
| CN202853873U (en) * | 2012-09-03 | 2013-04-03 | 苏州世力源科技有限公司 | Pneumatic type high acceleration vertical impact device |
| CN203824729U (en) * | 2014-04-17 | 2014-09-10 | 合肥安达数控技术有限责任公司 | Impact property test bench for vehicle transmission shaft |
| CN204085837U (en) * | 2014-10-24 | 2015-01-07 | 苏州世力源科技有限公司 | A kind of device extending impact tup serviceable life |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115443A (en) * | 2018-06-15 | 2019-01-01 | 芜湖华特电子科技有限公司 | A kind of industry embedded computer device for detecting performance |
| CN113218788A (en) * | 2021-04-29 | 2021-08-06 | 安徽理工大学 | Multi-particle impact crushing experiment platform |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20160728 Address after: 215000 Jiangsu high tech Zone, Suzhou hi tech Zone Longshan Road, No. 2 Applicant after: Suzhou Dongling Vibration Testing Instrument Co., Ltd. Address before: 215000 Jiangsu high tech Zone, Suzhou hi tech Zone Longshan Road, No. 2 Applicant before: Suzhou Siliyo S & T Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150128 |
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| RJ01 | Rejection of invention patent application after publication |