CN114136576A - Explosion bolt impact response testing arrangement - Google Patents
Explosion bolt impact response testing arrangement Download PDFInfo
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- CN114136576A CN114136576A CN202111425118.5A CN202111425118A CN114136576A CN 114136576 A CN114136576 A CN 114136576A CN 202111425118 A CN202111425118 A CN 202111425118A CN 114136576 A CN114136576 A CN 114136576A
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- 238000012360 testing method Methods 0.000 title claims abstract description 76
- 230000004044 response Effects 0.000 title claims abstract description 26
- 238000004880 explosion Methods 0.000 title claims description 17
- 239000002360 explosive Substances 0.000 claims abstract description 54
- 238000009863 impact test Methods 0.000 claims abstract description 33
- 238000010521 absorption reaction Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000006978 adaptation Effects 0.000 claims abstract description 9
- 230000035939 shock Effects 0.000 claims description 45
- 238000003825 pressing Methods 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000003044 adaptive effect Effects 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application provides an explosive bolt impact response testing device which comprises an impact testing plate, an impact energy testing sensor, an impact testing ring, an impact energy absorption and transmission part and an adaptation external member; the impact energy testing sensor is fixed on the outer surface of the impact testing plate; the impact measuring ring is fixedly connected with the impact measuring plate and compresses the impact energy absorption and transmission part on the outer surface of the impact measuring plate; the impact measuring ring and the impact energy absorption and transmission part are both positioned on one side of the impact measuring plate away from the impact energy testing sensor; the impact measuring ring is provided with a cavity for accommodating an explosive bolt; the impact energy absorption and transmission part is exposed at one end of the cavity close to the impact measuring plate; an adaptive external member is installed at one end of the impact measuring ring, which is far away from the impact measuring plate, an explosive bolt is connected to the adaptive external member, and the explosive bolt extends into the cavity; the explosive bolt testing device can be used for various explosive bolts, is short in machining period, low in manufacturing cost and convenient to use and replace, and the testing result can reflect the real impact effect.
Description
Technical Field
The application relates to the technical field of rocket interstage separation, in particular to an explosive bolt impact response testing device.
Background
The explosive bolt is a separation device applied to rocket interstage separation, the explosive bolt utilizes detonation waves and detonation pressure generated by loaded explosives to break a specified part of the bolt to complete a separation unlocking function, impact response generated by explosive bolt separation can damage an arrow body, in order to reduce the damage of the impact response of the explosive bolt to the arrow body, the impact response of the explosive bolts with different specifications needs to be tested, and meanwhile, a shock pad with excellent shock absorption performance is screened out, so that an experimental device needs to be designed to measure the impact response of the explosive bolt.
The traditional impact response device for the explosive bolt can only deal with the explosive bolt with a single specification, the processing period is long, the processing cost is high, the investment cost is high, the impact energy is transmitted through multiple times of conversion, and the test result cannot reflect the real impact effect.
Disclosure of Invention
The application aims to provide an explosion bolt impulse response testing device, can general multiple specification explosion bolt, and processing cycle is shorter, and manufacturing cost is lower, uses to change conveniently, and the test result is more accurate, can reflect real impact effect.
In order to achieve the purpose, the application provides an explosive bolt impact response testing device which comprises an impact testing plate, an impact energy testing sensor, an impact testing ring, an impact energy absorption and transmission part and an adaptive external member; the impact energy test sensor is fixed on the outer surface of the impact test plate; the impact measuring ring is fixedly connected with the impact measuring plate, and the impact energy absorption and transmission part is tightly pressed on the outer surface of the impact measuring plate; the impact measuring ring and the impact energy absorption and transmission part are both positioned on one side of the impact measuring plate away from the impact energy testing sensor; the impact ring is provided with a cavity for accommodating an explosive bolt; the impact energy absorption and transmission part is exposed at one end of the cavity close to the impact measuring plate; the impact measuring ring is far away from one end of the impact measuring plate, an adaptation external member is installed at one end of the impact measuring ring, the explosion bolt is connected to the adaptation external member, and the explosion bolt extends into the cavity.
As above, wherein the impact testing plate is located at one side of the impact energy testing sensor and is lifted by a lifting ring.
As above, wherein the impact energy absorbing and transmitting member is a cushion.
As above, the end face of the impact measuring ring near the end of the impact measuring plate is provided with a groove inwards, and the edge of the shock pad is embedded into the groove.
The above, wherein the adapter sleeve is fixed to an end of the impact ring away from the impact ring pressing plate through the impact ring pressing plate.
The above, wherein the adapter sleeve is a threaded sleeve having a threaded hole through which an explosive bolt is inserted and threadedly connected with the threaded hole.
The impact testing plate is fixed with a plurality of impact energy testing sensors, and the plurality of impact energy testing sensors are arranged at intervals.
As above, one end of the impact measuring ring close to the impact measuring plate is provided with an outer boss, and the outer boss is fixedly connected with the impact measuring plate.
The above, wherein the impact ring is fixedly connected with the center position of the impact measuring plate.
As above, the rings include a plurality of rings, and a plurality of rings are fixed connection in the four corners of impact survey board.
The beneficial effect that this application realized is as follows:
(1) the test bench is simple in structure, convenient to maintain, safe, reliable and convenient to test.
(2) This application is through using the adaptation external member, can general multiple specification explosion bolt, need not do too many testing arrangement just can satisfy the experimental requirement of multiplex condition multifrequency, drops into one set of testing arrangement, through the shock pad of changing different models and the explosion bolt of different specifications, tests and selects out suitable shock pad and obtain true accurate reliable impact data simultaneously, and this application processing cycle is shorter, and manufacturing cost is lower, uses to change the convenience.
(3) This application impact energy absorbs transfer unit and directly hugs closely with the impact survey board and is connected, and impact energy absorbs transfer unit absorbs behind the impact energy of explosion bolt, directly gives impact energy transfer and surveys the board, and impact energy test sensor on surveying the board directly detects the impact energy on surveying the board, and impact energy need not through many times conversion transmission, and the true reaction user state of experimental environment, test result are more accurate, can reflect true impact effect.
(4) The shock pad can be conveniently changed, and the material, the density, the thickness or the hardness of the shock pad are changed, so that different test conditions are matched, and the test effect of the explosive bolt is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a structural sectional view of an explosive bolt impact response testing device according to an embodiment of the present application.
Fig. 2 is a schematic perspective view of an explosive bolt impact response testing device according to an embodiment of the present application.
Reference numerals: 1-a hoisting ring; 2-impact testing plate; 3-impact measuring points; 4-a first bolt; 5-a second bolt; 6-impact measuring ring; 7-a shock pad; 8-impact ring pressure plate; 9-a third bolt; 10-a thread bushing; 11-exploding the bolt.
Detailed Description
The technical solutions in the embodiments of the present application are clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 and 2, the present application provides an explosive bolt impact response testing device, which comprises an impact testing plate 2, an impact energy testing sensor, an impact testing ring 6, an impact energy absorption and transmission part and an adapting kit; the impact energy test sensor is fixed on the outer surface of the impact test plate 2; the impact measuring ring 6 is fixedly connected with the center position of the impact measuring plate 2, and the impact energy absorption and transmission part is tightly pressed on the outer surface of the impact measuring plate 2; the impact measuring ring 6 and the impact energy absorption and transmission part are both positioned on one side of the impact measuring plate 2 away from the impact energy testing sensor; the impact ring 6 has a cavity to accommodate the explosive bolt 11; the impact energy absorption and transmission part is exposed at one end of the cavity close to the impact measuring plate 2; the impact measuring ring 6 is far away from one end of the impact measuring plate 2 and is provided with an adaptation external member, the explosive bolt 11 is connected to the adaptation external member, and the explosive bolt 11 extends into the cavity.
As shown in fig. 1, the impact energy absorbing and transmitting component is a shock pad 7, the shock pad 7 is a plane pad, the shock pad 7 is tightly attached to the surface of the impact testing plate 2, the plane shock pad 7 can better absorb the impact energy of the explosive bolt 11, the shock pad 7 directly transmits the absorbed impact energy to the impact testing plate 2, the impact energy transmission effect is better, and the impact energy testing accuracy is improved.
As a specific embodiment of the present invention, a groove is formed inward on an end surface of the impact measuring ring 6 near one end of the impact measuring plate 2, an edge portion of the shock pad 7 is embedded in the groove, and the impact measuring ring 6 can press the shock pad 7 against the impact measuring plate 2, so that the shock pad 7 is tightly attached to the bottom surface of the impact measuring plate 2.
Preferably, strike and survey ring 6 and be cylindric structure, the shape of shock pad 7 can be for circular or square, strike and survey 6 inside cavitys that are of ring, both ends are the opening, it is close to the inner wall that strikes 2 one end openings part of survey board inwards to open from striking and has the annular groove to survey 6 tip of ring, the size selection of the degree of depth according to shock pad 7 of seting up of annular groove, guarantee that shock pad 7 can cooperate to connect in the annular groove, and strike and survey ring 6 and can compress tightly shock pad 7 to the surface that strikes survey board 2, strike and survey ring 6 and keep away from the opening fixedly connected with that strikes 2 one end of survey board and strike ring clamp plate 8.
As a specific embodiment of the present invention, the impact measuring ring 6 is not limited to a cylindrical structure, and may have other shapes, and the shape of the shock absorbing pad 7 is not limited to a circle, and may also have other shapes, so that the edge of the shock absorbing pad 7 is required to be connected with the impact measuring ring 6 in a seamless fit manner.
As a specific embodiment of the invention, the adapter sleeve is fixed at one end of the impact measuring ring 6 far away from the impact measuring plate 2 through an impact measuring ring pressing plate 8.
Specifically, as shown in fig. 1, an impact ring pressing plate 8 is fixed to one end, away from the impact measuring plate 2, of the impact measuring ring 6 through a third bolt 9, a threaded connection hole is formed in the center of the impact ring pressing plate 8, an external thread is formed in the threaded sleeve 10, and the threaded sleeve 10 is connected in the threaded connection hole through the external thread. By replacing the adapter kit, different types of explosive bolts 11 can be connected in a matched manner.
As shown in fig. 1, the adapter sleeve is a threaded sleeve 10, the threaded sleeve 10 has a threaded hole, and an explosive bolt 11 penetrates into the threaded hole and is in threaded connection with the threaded hole. Different thread bush 10 has the screw hole of different diameters, the screw hole accordant connection of different diameters's explosion bolt 11 of different models to need not to process one set of testing arrangement for the explosion bolt 11 of a certain model alone, practice thrift processing cost and test cost.
As shown in figure 1, a plurality of impact measuring points 3 are installed on an impact measuring plate 2, impact energy testing sensors are fixed on the impact measuring points 3 through first bolts 4, a plurality of impact energy testing sensors are fixed on the impact measuring plate 2 and are arranged at intervals, and the impact energy testing sensors respectively measure impact energy at different positions of the impact measuring plate 2, so that the accuracy of impact energy testing is improved.
As a specific embodiment of the present invention, one end of the impact measuring ring 6 close to the impact measuring plate 2 is provided with an external boss, and the external boss is fixedly connected with the impact measuring plate 2 through the second bolt 5. The second bolt 5 fixes the impact measuring ring 6 on the impact measuring plate 2, and the shock pad 7 positioned in the groove of the impact measuring ring 6 is pressed on the surface of the impact measuring plate 2 by the impact measuring ring 6. When the shock pad 7 needs to be replaced, the second bolt 5 only needs to be detached, the shock pad 7 is conveniently replaced after the shock measuring ring 6 is taken down, and after the shock pad 7 is replaced, the shock measuring ring 6 is fixed on the shock measuring plate 2 through the second bolt 5. For example, the material, density, thickness or hardness of the shock pad 7 is changed to match different test conditions, thereby improving the test effect of the explosive bolt 11.
As an embodiment of the present invention, an impact testing plate 2 is hung up by a hanging ring 1 at one side of an impact energy testing sensor.
As shown in fig. 2, the lifting rings 1 comprise a plurality of lifting rings 1, the lifting rings 1 are fixedly connected to four corners of the impact testing plate 2, and the four lifting rings 1 are lifted by four lifting ropes, so that the testing device reaches a proper height, and the testing accuracy is guaranteed.
In an embodiment of the present invention, the materials of the impact measuring plate 2, the impact measuring ring 6, the impact measuring ring pressing plate 8 and the threaded sleeve 10 are all steel, and preferably 45 steel.
Preferably, the shock pad 7 can be replaced by metal materials or rubber materials according to test conditions, the metal shock pad 7 can be replaced by weaving density of the shock pad 7, the metal shock pad 7 materials and the thickness of the shock pad 7, the rubber shock pad 7 can be replaced by different hardness, glass fiber proportion and the thickness of the shock pad 7, and tests of explosive bolts 11 with different specifications, such as explosive bolts 11 with specifications of M12, M16, M20, M24 and the like, can be met by replacing the thread bush 10.
As a specific embodiment of the invention, the tail part of the explosive bolt 11 is connected with an igniter for transmitting an electric signal through a lead, the igniter transmits the electric signal to the explosive bolt 11 so as to ignite the explosive in the explosive bolt 11, the explosive generates strong energy to decompose the explosive bolt 11 into a threaded part and a non-threaded part from the position of the impact measuring annular pressing plate 8, namely, the threaded part and the threaded sleeve 10 impact the shock absorption pad 7 upwards from the position of the impact measuring annular pressing plate 8, the impact energy of the explosive bolt 11 is absorbed by the shock absorption pad 7 and then is directly transmitted to the impact measuring plate 2, and the impact energy test sensor arranged on the impact measuring plate 2 measures the impact response of the explosive bolt 11. The impact response of the explosive bolt 11 directly acts on the impact testing plate 2, the impact energy is directly tested through the impact energy testing sensor on the impact testing point 3 on the impact testing plate 2 without being converted for many times, the testing state is more consistent with the using state of the explosive bolt 11, and the measuring result is more real, accurate and reliable.
The beneficial effect that this application realized is as follows:
(1) the test bench is simple in structure, convenient to maintain, safe, reliable and convenient to test.
(2) This application is through using the adaptation external member, can general multiple specification explosion bolt, need not do too many testing arrangement just can satisfy the experimental requirement of multiplex condition multifrequency, drops into one set of testing arrangement, through the shock pad of changing different models and the explosion bolt of different specifications, tests and selects out suitable shock pad and obtain true accurate reliable impact data simultaneously, and this application processing cycle is shorter, and manufacturing cost is lower, uses to change the convenience.
(3) This application impact energy absorbs transfer unit and directly hugs closely with the impact survey board and is connected, and impact energy absorbs transfer unit absorbs behind the impact energy of explosion bolt, directly gives impact energy transfer and surveys the board, and impact energy test sensor on surveying the board directly detects the impact energy on surveying the board, and impact energy need not through many times conversion transmission, and the true reaction user state of experimental environment, test result are more accurate, can reflect true impact effect.
(4) The shock pad can be conveniently changed, and the material, the density, the thickness or the hardness of the shock pad are changed, so that different test conditions are matched, and the test effect of the explosive bolt is improved.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. An explosion bolt impact response testing device is characterized by comprising an impact testing plate, an impact energy testing sensor, an impact testing ring, an impact energy absorption and transmission part and an adapting kit, wherein the impact testing plate is provided with a first end and a second end;
the impact energy test sensor is fixed on the outer surface of the impact test plate;
the impact measuring ring is fixedly connected with the impact measuring plate, and the impact energy absorption and transmission part is tightly pressed on the outer surface of the impact measuring plate; the impact measuring ring and the impact energy absorption and transmission part are both positioned on one side of the impact measuring plate away from the impact energy testing sensor;
the impact ring is provided with a cavity for accommodating an explosive bolt; the impact energy absorption and transmission part is exposed at one end of the cavity close to the impact measuring plate;
the impact measuring ring is far away from one end of the impact measuring plate, an adaptation external member is installed at one end of the impact measuring ring, the explosion bolt is connected to the adaptation external member, and the explosion bolt extends into the cavity.
2. The explosive bolt impact response testing device according to claim 1, wherein said impact testing plate is suspended by a suspension ring at one side of said impact energy testing sensor.
3. The explosive bolt impact response testing device of claim 1, wherein said impact energy absorbing and transmitting member is a shock pad.
4. The explosive bolt impact response testing device according to claim 3, wherein the end surface of the impact testing ring near one end of the impact testing plate is provided with a groove inwards, and the edge part of the shock absorption pad is embedded into the groove.
5. The explosive bolt impact response testing device of claim 1, wherein the adapter sleeve is fixed at one end of the impact ring away from the impact ring pressing plate through an impact ring pressing plate.
6. The explosive bolt impact response testing device according to claim 1 or 5, wherein the adapter sleeve is a threaded sleeve having a threaded hole, and the explosive bolt penetrates into the threaded hole and is in threaded connection with the threaded hole.
7. The explosive bolt impact response testing device according to claim 1, wherein a plurality of impact energy testing sensors are fixed on the impact testing plate, and the plurality of impact energy testing sensors are arranged at intervals.
8. The explosive bolt impact response testing device of claim 1, wherein one end of the impact testing ring close to the impact testing plate is provided with an outer boss, and the outer boss is fixedly connected with the impact testing plate.
9. The explosive bolt impact response testing device of claim 1, wherein the impact testing ring is fixedly connected with the center position of the impact testing plate.
10. The explosive bolt impact response testing device according to claim 2, wherein the suspension rings comprise a plurality of suspension rings, and the plurality of suspension rings are fixedly connected to four corners of the impact testing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111425118.5A CN114136576A (en) | 2021-11-26 | 2021-11-26 | Explosion bolt impact response testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111425118.5A CN114136576A (en) | 2021-11-26 | 2021-11-26 | Explosion bolt impact response testing arrangement |
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| CN114136576A true CN114136576A (en) | 2022-03-04 |
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| CN202111425118.5A Pending CN114136576A (en) | 2021-11-26 | 2021-11-26 | Explosion bolt impact response testing arrangement |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2337339C1 (en) * | 2007-02-12 | 2008-10-27 | Федеральное государственное унитарное предприятие "Научно-производственное объединение прикладной механики им. академика М.Ф. Решетнева" | Test bench for apparatus and equipment for high intensive impact effects |
| CN102879166A (en) * | 2012-09-21 | 2013-01-16 | 北京宇航系统工程研究所 | Impact test platform for point separation device and test method of test platform |
| CN203464858U (en) * | 2013-08-22 | 2014-03-05 | 北京宇航系统工程研究所 | Combined explosive bolt box structure capable of releasing pressure in sliding manner |
| CN109211512A (en) * | 2018-09-03 | 2019-01-15 | 哈尔滨工业大学 | A kind of firer's shock environment analogue means |
| CN209818634U (en) * | 2019-01-22 | 2019-12-20 | 蓝箭航天空间科技股份有限公司 | Energy-absorbing shock-absorbing structure of point type separation |
-
2021
- 2021-11-26 CN CN202111425118.5A patent/CN114136576A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2337339C1 (en) * | 2007-02-12 | 2008-10-27 | Федеральное государственное унитарное предприятие "Научно-производственное объединение прикладной механики им. академика М.Ф. Решетнева" | Test bench for apparatus and equipment for high intensive impact effects |
| CN102879166A (en) * | 2012-09-21 | 2013-01-16 | 北京宇航系统工程研究所 | Impact test platform for point separation device and test method of test platform |
| CN203464858U (en) * | 2013-08-22 | 2014-03-05 | 北京宇航系统工程研究所 | Combined explosive bolt box structure capable of releasing pressure in sliding manner |
| CN109211512A (en) * | 2018-09-03 | 2019-01-15 | 哈尔滨工业大学 | A kind of firer's shock environment analogue means |
| CN209818634U (en) * | 2019-01-22 | 2019-12-20 | 蓝箭航天空间科技股份有限公司 | Energy-absorbing shock-absorbing structure of point type separation |
Non-Patent Citations (1)
| Title |
|---|
| 王军评等: "爆炸螺栓冲击响应的主要影响因素研究", 《振动与冲击》, vol. 38, no. 13, 28 June 2019 (2019-06-28), pages 42 - 49 * |
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