CN205192883U - Two secondary shock devices are prevented to hammer impact testing machine that falls - Google Patents

Two secondary shock devices are prevented to hammer impact testing machine that falls Download PDF

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Publication number
CN205192883U
CN205192883U CN201520941421.4U CN201520941421U CN205192883U CN 205192883 U CN205192883 U CN 205192883U CN 201520941421 U CN201520941421 U CN 201520941421U CN 205192883 U CN205192883 U CN 205192883U
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China
Prior art keywords
block
base
testing machine
frizzen
hammer impact
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CN201520941421.4U
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Chinese (zh)
Inventor
蒋亮亮
廖龙杰
丁毕伟
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Nanjing Automobile Group Corp
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Nanjing Automobile Group Corp
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Abstract

The utility model relates to a two secondary shock devices are prevented to hammer impact testing machine that falls, including bottom plate and the base of setting on the bottom plate, base inside is equipped with the supporting shoe rather than the looks adaptation, supporting shoe inside is equipped with the frizzen rather than the looks adaptation, second spring and the stop device who connects is touched with the supporting shoe to inside being equipped with of base, the bottom of supporting shoe is located to the second spring, stop device include touch the stopper that connects with supporting shoe side, the first spring on being connected the spacing pull rod of stopper and locating spacing pull rod. The utility model discloses a mechanical type trigger control, not only have simple structure, response rapidly, characteristics such as low cost, it does not need any additional power source or feedback signal etc. Moreover, has both guaranteed the reliability of preventing two secondary shock, has improved the stability of the whole hammer impact of falling system again.

Description

The anti-secondary pulse device of a kind of drop hammer impact testing machine
Technical field
The utility model relates to the anti-secondary pulse device of a kind of drop hammer impact testing machine, triggers this device by the impact of dropping hammer touching, to realize dropping hammer and the rapid isolation of test specimen, avoids secondary pulse.
Background technology
Drop hammer impact testing machine resists the major equipment of impact property under shock load as detection critical component and material according to the applicant understood.Its principle of work is by impact drop hammer lifting to certain altitude, and then release is dropped hammer and done the movement of falling object, pounds on test specimen to detect its impact resistance.For the test specimen that some rigidity is larger, upspring after drop impact bring secondary pulse to test specimen, just need a kind of anti-secondary pulse device, with the rapid isolation of test specimen after upspringing to realize dropping hammer.In current drop hammer impact testing machine, anti-secondary pulse device carries out work mainly with modes such as pneumatic control, electromagnetism adhesives, by cylinder, electromagnet etc. as additionaling power source, final realization is dropped hammer and the isolation of test specimen, these control modes not only have complex structure, control to be difficult to the problems such as control the opportunity of loaded down with trivial details, anti-secondary pulse, and cost is also higher simultaneously.The utility model proposes the anti-secondary pulse device of a kind of mechanical type, structure be simple, response rapidly, simple operation, ensure that the reliability and stability of the anti-secondary pulse of drop hammer impact testing machine.
Utility model content
The purpose of this utility model is: for above-mentioned prior art Problems existing, proposes the anti-secondary pulse device of a kind of drop hammer impact testing machine.
In order to reach above object, the anti-secondary pulse device of a kind of drop hammer impact testing machine of the utility model, this device is mechanical type trigging control, not only have structure simple, respond the features such as rapid, with low cost, and it is without any need for additionaling power source or feedback signal etc., both ensure that the reliability of anti-secondary pulse, turn improve the stability of whole drop impact system.
Technical solutions of the utility model are as follows: the anti-secondary pulse device of a kind of drop hammer impact testing machine of the utility model, is characterized in that, comprises base plate and is arranged on the base on base plate; Described chassis interior is provided with the back-up block suitable with it; Described back-up block inside is provided with the frizzen suitable with it; Described chassis interior is provided with the second spring and stop means that touch with back-up block; The bottom of back-up block is located at by described second spring; The first spring that described stop means comprises the limited block touched with back-up block side, the limit pull rod being connected limited block and is located on limit pull rod.
Further, described frizzen is that two ends are thick, the round bar that middle and lower part is thin; Described frizzen upper end is convex, and the upper surface of described frizzen is provided with can the draw ring for mentioning reset of horizontal.
Further, the axial centre of described back-up block is provided with the hole for placing frizzen, and the side of described back-up block is provided with the limited impression suitable with limited block; The middle and lower part symmetry of described back-up block be provided with ball roller pin, the circular groove that described ball roller pin and base inner wall are provided with is suitable.
Further, the upper surface of described back-up block is provided with the middle limiting plate for through hole, coordinates with frizzen upper end convex.
Further, described base is equipped with the middle cover plate suitable with back-up block for through hole; Described cover plate is fixed by screws on base, and described cover plate is provided with the dive key suitable with back-up block side guide groove.
Further, described chassis interior is provided with the hole for placing back-up block and the second spring, and the xsect of described hole is reversed convex type structure.
The anti-secondary pulse device of a kind of drop hammer impact testing machine of the utility model, this not only have structure simple, respond the features such as rapid, with low cost, and it is without any need for additionaling power source or feedback signal etc., both ensure that the reliability of anti-secondary pulse, turn improve the stability of whole drop impact system.The utility model structure is simple, simple operation, response are rapid and cheap; According to specifically testing demand, the back-up block of different size can be processed, realizing different bounce amounts; The utility model is the anti-secondary pulse device of moveable mechanical type, and versatility is high, is applicable to dissimilar drop hammer impact testing machine.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 partial sectional view of the present utility model;
Fig. 2 the utility model upspring after schematic diagram;
In figure: 1-frizzen; 2-back-up block; 3-ball roller pin; 4-limited block; 5-first spring; 6-base; 7-base plate; 8-second spring; 9-limit pull rod; 10-draw ring; 11-limited impression; 12-limiting plate; 13-cover plate; 14-screw; 15-gathering sill; 16-dive key.
Embodiment
As illustrated in fig. 1 and 2, the anti-secondary pulse device of a kind of drop hammer impact testing machine of the utility model, the base 6 comprising base plate 7 and be arranged on base plate 7; Described base 6 inside is provided with the back-up block 2 suitable with it; Described back-up block 2 inside is provided with the frizzen 1 suitable with it; Described base 6 inside is provided with the second spring 8 and the stop means touched with back-up block 2; The bottom of back-up block 2 is located at by described second spring 8; The first spring 5 that described stop means comprises the limited block 4 touched with back-up block 2 side, the limit pull rod 9 being connected limited block 4 and is located on limit pull rod 9.
Frizzen 1 described in the utility model is that two ends are thick, the round bar that middle and lower part is thin; Described frizzen 1 upper end is convex, and the upper surface of described frizzen 1 is provided with can the draw ring 10 for mentioning reset of horizontal.The axial centre of described back-up block (2) is provided with the hole for placing frizzen 1, and the side of described back-up block 2 is provided with the limited impression 11 suitable with limited block 4; The middle and lower part symmetry of described back-up block 2 be provided with ball roller pin 3, the circular groove that described ball roller pin 3 and base 6 inwall are provided with is suitable.The upper surface of described back-up block 2 is provided with the middle limiting plate 12 for through hole, coordinates with frizzen 1 upper end convex.Described base 6 is equipped with the middle cover plate 13 suitable with back-up block 2 for through hole; Described cover plate 13 is fixed on base 6 by screw 14, and described cover plate 13 is provided with the dive key 16 suitable with back-up block 2 side guide groove 15.Described base 6 inside is provided with the hole for placing back-up block 2 and the second spring 8, and the xsect of described hole is reversed convex type structure.
In an initial condition, frizzen is raised, and ball roller pin is extruded by left and right, is limited by the hemispherical-shaped aperture of base inner wall, and whole back-up block is compressed, and the second spring is limited in bottom.Before impact starts, device is put in the below of the support that drops hammer, the height that frizzen is mentioned should meet to drop hammer when just contacting with test specimen and just can be pressed.After impact starts, drop hammer freely falling body impact test piece, frizzen is pressed while impacting, then drop hammer and upspring, because frizzen middle and lower part is thinner, ball roller pin inner space is emptied, originally the ball roller pin be extruded can be moved left and right, because the second spring is upspring the effect of power, ball roller pin is made to be extruded into inner side by hemispherical-shaped aperture, followed by back-up block together by jack-up, due to the position-limiting action of base upper cover plate, the position of flat groove just in time coordinates with limited block, originally the first spring ejection compressed, whole back-up block is made to be limited in upper end.Due to the effect of spring, whole triggering process of upspringing will be quite rapid.Fig. 2 is schematic diagram after the utility model is upspring, and due to the jack-up of back-up block, final realizes dropping hammer and the isolation of test specimen, avoids secondary pulse.
Reset of the present utility model: first extract stretching bar, makes limited block exit flat groove, then presses back-up block to bottom, unclamps stretching bar simultaneously, lift the draw ring of frizzen, mention frizzen.
The anti-secondary pulse device of a kind of drop hammer impact testing machine of the utility model, this not only have structure simple, respond the features such as rapid, with low cost, and it is without any need for additionaling power source or feedback signal etc., both ensure that the reliability of anti-secondary pulse, turn improve the stability of whole drop impact system.The utility model structure is simple, simple operation, response are rapid and cheap; According to specifically testing demand, the back-up block of different size can be processed, realizing different bounce amounts; The utility model is the anti-secondary pulse device of moveable mechanical type, and versatility is high, is applicable to dissimilar drop hammer impact testing machine.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.

Claims (6)

1. the anti-secondary pulse device of drop hammer impact testing machine, is characterized in that: comprise base plate (7) and be arranged on the base (6) on base plate (7); Described base (6) inside is provided with the back-up block (2) suitable with it; Described back-up block (2) inside is provided with the frizzen (1) suitable with it; Described base (6) inside is provided with the second spring (8) and stop means that touch with back-up block (2); Described second spring (8) is located at the bottom of back-up block (2); The first spring (5) that described stop means comprises the limited block (4) touched with back-up block (2) side, the limit pull rod (9) being connected limited block (4) and is located on limit pull rod (9).
2. the anti-secondary pulse device of a kind of drop hammer impact testing machine according to claim 1, is characterized in that: described frizzen (1) for two ends thick, the round bar that middle and lower part is thin; Described frizzen (1) upper end is convex, and the upper surface of described frizzen (1) is provided with can the draw ring (10) for mentioning reset of horizontal.
3. the anti-secondary pulse device of a kind of drop hammer impact testing machine according to claim 1, it is characterized in that: the axial centre of described back-up block (2) is provided with the hole for placing frizzen (1), the side of described back-up block (2) is provided with the limited impression (11) suitable with limited block (4); The middle and lower part symmetry of described back-up block (2) be provided with ball roller pin (3), the circular groove that described ball roller pin (3) and base (6) inwall are provided with is suitable.
4. the anti-secondary pulse device of a kind of drop hammer impact testing machine according to claim 1, is characterized in that: the upper surface of described back-up block (2) is provided with the middle limiting plate (12) for through hole, coordinates with frizzen (1) upper end convex.
5. the anti-secondary pulse device of a kind of drop hammer impact testing machine according to claim 1, is characterized in that: described base (6) is equipped with the middle cover plate (13) suitable with back-up block (2) for through hole; Described cover plate (13) is fixed on base (6) by screw (14), and described cover plate (13) is provided with the dive key (16) suitable with back-up block (2) side guide groove (15).
6. the anti-secondary pulse device of a kind of drop hammer impact testing machine according to claim 1, is characterized in that: described base (6) inside is provided with the hole for placing back-up block (2) and the second spring (8), and the xsect of described hole is reversed convex type structure.
CN201520941421.4U 2015-11-24 2015-11-24 Two secondary shock devices are prevented to hammer impact testing machine that falls Active CN205192883U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520941421.4U CN205192883U (en) 2015-11-24 2015-11-24 Two secondary shock devices are prevented to hammer impact testing machine that falls

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520941421.4U CN205192883U (en) 2015-11-24 2015-11-24 Two secondary shock devices are prevented to hammer impact testing machine that falls

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CN205192883U true CN205192883U (en) 2016-04-27

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111024760A (en) * 2019-12-09 2020-04-17 西安近代化学研究所 Device and method for evaluating safety of explosive impact
CN111595702A (en) * 2020-07-22 2020-08-28 佛山市公路桥梁工程监测站有限公司 Secondary-strike-prevention galvanized layer adhesion performance testing device
CN113804562A (en) * 2021-09-18 2021-12-17 上海仪器仪表自控系统检验测试所有限公司 Pendulum protector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111024760A (en) * 2019-12-09 2020-04-17 西安近代化学研究所 Device and method for evaluating safety of explosive impact
CN111024760B (en) * 2019-12-09 2023-03-17 西安近代化学研究所 Device and method for evaluating safety of explosive impact
CN111595702A (en) * 2020-07-22 2020-08-28 佛山市公路桥梁工程监测站有限公司 Secondary-strike-prevention galvanized layer adhesion performance testing device
CN113804562A (en) * 2021-09-18 2021-12-17 上海仪器仪表自控系统检验测试所有限公司 Pendulum protector

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