CN1378075A - Impression producing device for fixed point - Google Patents
Impression producing device for fixed point Download PDFInfo
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- CN1378075A CN1378075A CN 01113812 CN01113812A CN1378075A CN 1378075 A CN1378075 A CN 1378075A CN 01113812 CN01113812 CN 01113812 CN 01113812 A CN01113812 A CN 01113812A CN 1378075 A CN1378075 A CN 1378075A
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- sleeve
- hammer
- impact
- head
- impact head
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- 238000010304 firing Methods 0.000 claims abstract description 33
- 238000009527 percussion Methods 0.000 claims abstract description 16
- 238000007373 indentation Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 17
- 238000005259 measurement Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000001603 reducing effect Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- CJRQAPHWCGEATR-UHFFFAOYSA-N n-methyl-n-prop-2-ynylbutan-2-amine Chemical compound CCC(C)N(C)CC#C CJRQAPHWCGEATR-UHFFFAOYSA-N 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
一种定点压痕制造装置。它与底座之间紧密配合,滑动安装,由作为动力部分的打击锤、作为制造压痕机构的冲击头、击发机构和套筒组成,其中:所述击发机构安装在套筒一端,冲击头安装在套筒的另一端,打击锤通过击发机构上的扳机安装在套筒内,于击发机构和冲击头之间,打击锤前部与冲击头后部为击打式接触连接结构。它结构简单、定位准确。
A fixed-point indentation manufacturing device. It is tightly matched with the base and installed by sliding. It is composed of a hammer as a power part, an impact head as an indentation mechanism, a firing mechanism and a sleeve, wherein: the firing mechanism is installed at one end of the sleeve, and the impact head is installed. At the other end of the sleeve, the percussion hammer is installed in the sleeve through the trigger on the firing mechanism, between the percussion mechanism and the impact head, and the front part of the percussion hammer and the rear part of the impact head are in a striking contact connection structure. It has simple structure and accurate positioning.
Description
The present invention relates to the residual stress measurement technology, specifically a kind of impression producing device for fixed point.
The method of measuring unrelieved stress at present mainly contains 3 kinds: full method for releasing, x-ray method, blind hole method.Can be divided into two classes, wherein: x-ray method belongs to the rerum natura law areas, be to utilize the material principle that rerum natura (grating constant) changes under stress to measure unrelieved stress, the advantage of these class methods is not damage measured workpiece in the mensuration process, belongs to harmless unrelieved stress and detects; Shortcoming is very big to the surface state dependence of material behavior and sample, thereby difficult assurance in actual detected, precision also is difficult to guarantee, thereby uses on-the-spot use less (portability of X-ray equipment is not enough, and is bigger than normal to the welded structure measuring error) in welded structure.Full method for releasing and blind hole are owned by France in the stress relief law areas, and full method for releasing is a kind of destructive method, by the very high measuring accuracy of whole releases acquisitions of stress; The blind hole method is utilize to bore a small blind hole unrelieved stress in the member is discharged, owing to adopt foil gauge as measuring sensitive element, therefore has higher measuring accuracy, and equipment also is easy to carry, but damages measured piece to a certain extent.It is a kind of brand-new stress measurement technology that indentation method is surveyed unrelieved stress, and its measuring principle is to utilize the Changing Pattern of the output strain after extra-stress field and primary stress field superpose to survey unrelieved stress.The advantage of this measuring method is: 1. easy, easy-to-use; 2. precision is higher; 3. harmless, only stay φ 1.3mm, the pit about dark 0.3mm.Be particularly suitable for in-site measurement.But correctly measure, the impact indentation manufacturing installation is one of key in this measuring method.Generally, impact indentation method is measured the unrelieved stress device has following components to constitute: compositions such as foil gauge, strainmeter, impression producing device, impression centering measurement mechanism and base.The technical requirement of impression producing device is: 1. because the skew of impression position will influence the measuring accuracy of stress, so must guarantee the impression accurate positioning, require the off-centered distance of impression to be not more than 0.02mm; 2. because repeating to impact to influence the stress measurement precision, repeat to impact so same impression can not carry out twice above (containing twice), promptly every bit can only once impact; 3. at the different measuring object, require the impression size to adjust accordingly, therefore require impulsive force adjustable, hit adjustable height.In the prior art, making impression is to suppress head manufacturing by manual with hammering, and it is very big that the quality of impression manufacturing is influenced by human factor, thereby cause the measurement of unrelieved stress personal error to occur.
The impression producing device for fixed point that the purpose of this invention is to provide a kind of simple in structure, accurate positioning.
To achieve these goals, technical scheme of the present invention is: be installed in the guide on the base, and closely cooperate between the base, be slidingly installed, by forming as the peening hammer of power section, impact head, firing lock and the sleeve that impression mechanism is made in conduct, wherein: described firing lock is installed in sleeve one end, impact head is installed in the other end of sleeve, peening hammer is installed in the sleeve by firing lock, between firing lock and impact head, peening hammer is anterior to be that impact type contacts syndeton with the impact head rear portion; Be specially:
Peening hammer is made up of tup, hammer stem, power spring, and described hammer stem is plugged in the set mesopore of firing lock, and the mesopore inwall of its outer wall and firing lock is slidingly matched, and power spring is installed between tup and the firing lock, on hammer stem;
Impact head is stifled by plug, overcoat, anti-bounce-back spring, impact bar, clip, cushion pad are formed, and described overcoat is a tubular structure, and an end has the column reducing, and the other end and convex plug block up the screw thread installation; Impact bar is anterior to be taper, intert and be installed in the overcoat reducing, and visit and to be exposed to sleeve outer surface, cone point is inlayed a steel ball, and its rear end passes from filling in stifled going up the set hole, in tup the place ahead, impact bar closely cooperates with the stifled set hole wall of plug, establishes a clip on the impact bar, and anti-bounce-back spring is installed between clip and the sleeve necking end, on impact bar, between clip and plug are stifled, be provided with cushion pad;
Form by trigger, regulating spring, percussion seat, connecting frame, safety head at firing lock, wherein: the percussion seat that is connected with bush whorl is the cap shape, top surface is provided with size two boss A, B on a horizontal center line, and safety head is threaded with percussion seat side surface; Having block tongue and adjacent frame on connecting frame one side frame flexibly connects by bearing pin, described block tongue is plugged in the big boss side opening of pulling the trigger on the seat, be connected with the hammer stem contact, the connecting frame discount is around big boss, with respect to establishing a threaded hole on another frame that is provided with block tongue, trigger inserts the side opening of another small boss of percussion seat together with the regulating spring of suit on it, to the connecting frame in the set threaded hole;
Sleeve is installed two groups of micrometer adjusting screws near impacting head end;
Installing an axially directed groove that plays positioning and guiding locking effect during at the starting-impact head on the hammer stem; In guide groove, be provided with the card trigger and use the block tongue hole; Described every group of micrometer adjusting screw number is 3～4; The micrometer adjusting screw corresponding position is provided with circumferential grooves on the outer casing outer wall of described impact head and the sleeve.
The present invention has following advantage:
1. make impression with hammering or attacking head in the present invention and the prior art and compare, the impression workmanship obviously improves, and shows the impression dimensionally stable, adjustable size, and indentation edge is clear, accurate positioning, offset error can be eliminated personal error substantially less than 0.02mm.
2. the present invention integrates location, strike, regulates, and has small and exquisite, simple, the easy-operating characteristics of structure, and the stress measurement that is applied to industry important structure such as chemical industry, water power can be satisfied on-the-spot request for utilization.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a peening hammer structural representation among Fig. 1.
Fig. 3 is an attacking head structural representation among Fig. 1.
Fig. 4 is the three-dimensional profile enlarged drawing of firing lock among Fig. 1.
Fig. 5 is Fig. 1 middle sleeve structural representation.
Fig. 6 is the relative position synoptic diagram of impression producing device and base when measuring in the one embodiment of the invention.
Fig. 7 is a firing lock three-dimensional assembly diagram among Fig. 4.
Fig. 8 is a firing lock perspective exploded view among Fig. 4.
Below in conjunction with accompanying drawing structure of the present invention is described in further detail.
Shown in Fig. 1～8, be installed in the guide on the base 5, and closely cooperate between the base 5, be slidingly installed, by forming as the peening hammer 1 of power section, impact head 2, firing lock 3 and the sleeve 4 that impression mechanism is made in conduct, wherein: described firing lock 3 is installed in sleeve 4 one ends, impact head 2 is installed in the other end of sleeve 4, peening hammer 1 is installed in the sleeve 4 by firing lock 3, between firing lock 3 and impact head 2, peening hammer 1 front portion is that impact type contacts syndeton with impact head 2 rear portions; Be specially:
Peening hammer 1 is made up of tup 11, hammer stem 12, power spring 13, described hammer stem 12 is plugged in the set mesopore of firing lock 3, the mesopore inwall of its outer wall and firing lock is slidingly matched, and power spring 13 is installed between tup 11 and the firing lock 3, on hammer stem 12;
Impact head 2 is stifled 21 by plug, overcoat 22, anti-bounce-back spring 23, impact bar 24, clip 25, cushion pad 26 are formed, and described overcoat 22 be a tubular structure, and an end has the column reducing, and the other end and convex plug block up the installation of 21 screw threads; Impact bar 24 front portions are taper, intert and be installed in overcoat 22 reducings, and visit and to be exposed to sleeve 4 outside surfaces, cone point is inlayed a steel ball, and its rear end passes the set hole from filling on stifled 21, in tup 11 the place aheads, impact bar 24 blocks up hole wall set on 21 with plug and closely cooperates, and establishes a clip 25 on the impact bar 24, and anti-bounce-back spring 23 is installed between clip 25 and the sleeve necking end, on impact bar 24, between clip 25 and plug stifled 21, be provided with cushion pad 26;
Form by trigger 31, regulating spring 32, percussion seat 33, connecting frame 34, safety head 37 at firing lock 3, wherein: the percussion seat 33 that is threaded with sleeve 4 is the cap shape, top surface is provided with size two boss A35, B35 ' on a horizontal center line, and safety head 37 is threaded with percussion seat 33 side surfaces; Having block tongue 36 on connecting frame 34 1 side frames flexibly connects by bearing pin with adjacent frame, described block tongue 36 is plugged in big boss 35 side openings of pulling the trigger on the seat 33, be connected with hammer stem 12 contacts, connecting frame 34 discounts are around big boss 35, with respect to establishing a threaded hole on another frame that is provided with block tongue 36, trigger 31 together with the regulating spring 32 of suit on it insert percussion seat 33 another small boss 35 ' side opening, to the connecting frame 34 in the set threaded hole; Sleeve 4 is installed two groups of micrometer adjusting screws 41 near impact head 2 ends;
In addition, installing an axially directed groove 14 that plays positioning and guiding locking effect during at starting-impact head 2 on the hammer stem 12; Be provided with card trigger 31 usefulness block tongue holes 15 14 li of guide groove; Described every group of micrometer adjusting screw 41 numbers are 4; The micrometer adjusting screw corresponding position is provided with circumferential grooves on overcoat 22 outer walls of described impact head 2 and the sleeve 4.
In order to lead, guide groove 14 is arranged on the hammer stem 12, block tongue hole 15 is arranged in guide groove 14, the effect of block tongue 36 here has two: 1st, braking; The 2nd, in guide groove 14, lead all the time.
Structure design principle of the present invention is: described sleeve 4 plays guiding and centering effect, and anti-bounce-back spring 23 plays the anti-recoil effect that repeats to impact; Impact head and sleeve adopt 8 screw symmetries to be connected and fixed, divide each 4 up and down,, can reach the purpose of fine setting impact head 2 and sleeve 4 relevant positions by adjusting screw, guarantee impact head 2 and sleeve 4 strict centerings, thereby the accuracy of alignment of assurance attacking head is greater than 0.02mm; Anti-bounce-back spring 23 is for preventing that impact head 2 bang impression points from designing, 26 buffer actions of rubber buffer wherein, and anti-bounce-back spring 23 and rubber buffer 26 all have buffering to absorb to rebound the effect of energy.
Operating process of the present invention is:
1) centering: with base 5 is basic connector, at first adopt optics or photoelectricity centralising device to regulate the position, after taking off centralising device then, the present invention is contained on the base 5, seamless being slidingly matched, the center of circle of the center of circle of centralising device, base 5 guides and the center of circle three of impression producing device for fixed point of the present invention must be with one heart; 2) hit, impact impact head 2 by peening hammer 1, impact head 2 bump surface of steel plate produce corresponding impression at surface of steel plate, the impression position that produce this moment should with the centering position consistency, realize that fixed point hits.
During use, scalable impact head 2 with by the distance of the scope of attack or regulate the size that power spring 13 tension degree are adjusted the impression size.
Operation firing lock 3 processes: impact bar 24 passes percussion seat 33, trigger 31 by small boss 35 ' on the hole be connected with connecting frame 34.Preliminary work: pull at impact bar 24, in block tongue 36 runs into guide groove 14, during block tongue hole 15, stick into automatically in the block tongue hole 15 and block operation; When work (when hitting impression), with referring to flicking trigger 31 1 ends, the block tongue 36 that trigger 31 promotes on the connecting frame 34 makes block tongue 36 withdraw from block tongue hole 15, and peening hammer 1 just hits impact head 2 and works under the drive of power spring 13.
The present invention hits impression result with it and carries out the measurement of test piece for welding unrelieved stress after impression strike test has been carried out in the laboratory, and the result shows that the impression manufacturing accuracy satisfies the requirement that design deviation is no more than 0.02mm fully.
Add man-hour carrying out parts, particularly impact head 2 and sleeve 4 grades must be noted machining precision to the part parts that accuracy of alignment has a direct impact, and guarantee the strict centering in assembling back; When carrying out the various piece assembling, note the relative position between each parts, during with assurance accuracy of alignment, particularly attacking head and sleeve assembling, finely tune by micrometer adjusting screw, guarantee its strict centering.
Relevant comparative example
Indentation is made in hand bumping, is positioned with shortcomings such as personal error, impression size instability, size be wayward.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011138122A CN1170137C (en) | 2001-04-04 | 2001-04-04 | Fixed-point indentation manufacturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011138122A CN1170137C (en) | 2001-04-04 | 2001-04-04 | Fixed-point indentation manufacturing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1378075A true CN1378075A (en) | 2002-11-06 |
| CN1170137C CN1170137C (en) | 2004-10-06 |
Family
ID=4660517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011138122A Expired - Fee Related CN1170137C (en) | 2001-04-04 | 2001-04-04 | Fixed-point indentation manufacturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1170137C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029595A (en) * | 2010-10-09 | 2011-04-27 | 王红红 | Multifunctional vacuum hammer |
| CN103018123A (en) * | 2012-12-07 | 2013-04-03 | 宁波大学 | High-speed loading material dynamic indentation experimental method |
| CN103645100A (en) * | 2013-12-12 | 2014-03-19 | 中国地质大学（北京） | Single-tooth single-impact rock crushing experimental device |
| CN104669453A (en) * | 2013-11-27 | 2015-06-03 | 招远泽洋工具制造有限公司 | Automatic-boosted punching drill rod |
| CN109203260A (en) * | 2018-09-11 | 2019-01-15 | 卢乐 | A kind of manual aerated bricks cutter |
| CN112518676A (en) * | 2020-09-30 | 2021-03-19 | 成都飞机工业（集团）有限责任公司 | Dot punching gun capable of adjusting control depth |
| WO2022156030A1 (en) * | 2021-01-20 | 2022-07-28 | 东莞材料基因高等理工研究院 | Portable instrumented impact press |
-
2001
- 2001-04-04 CN CNB011138122A patent/CN1170137C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029595A (en) * | 2010-10-09 | 2011-04-27 | 王红红 | Multifunctional vacuum hammer |
| CN103018123A (en) * | 2012-12-07 | 2013-04-03 | 宁波大学 | High-speed loading material dynamic indentation experimental method |
| CN104669453A (en) * | 2013-11-27 | 2015-06-03 | 招远泽洋工具制造有限公司 | Automatic-boosted punching drill rod |
| CN103645100A (en) * | 2013-12-12 | 2014-03-19 | 中国地质大学（北京） | Single-tooth single-impact rock crushing experimental device |
| CN103645100B (en) * | 2013-12-12 | 2015-08-26 | 中国地质大学（北京） | Monodentate single-impact detritus experimental provision |
| CN109203260A (en) * | 2018-09-11 | 2019-01-15 | 卢乐 | A kind of manual aerated bricks cutter |
| CN109203260B (en) * | 2018-09-11 | 2020-12-11 | 泉州台商投资区一创工业设计有限公司 | Manual aerated brick cutter |
| CN112518676A (en) * | 2020-09-30 | 2021-03-19 | 成都飞机工业（集团）有限责任公司 | Dot punching gun capable of adjusting control depth |
| WO2022156030A1 (en) * | 2021-01-20 | 2022-07-28 | 东莞材料基因高等理工研究院 | Portable instrumented impact press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1170137C (en) | 2004-10-06 |
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