CN109187238B - Workbench for test, explosion thrust test device and test method - Google Patents
Workbench for test, explosion thrust test device and test method Download PDFInfo
- Publication number
- CN109187238B CN109187238B CN201811088668.0A CN201811088668A CN109187238B CN 109187238 B CN109187238 B CN 109187238B CN 201811088668 A CN201811088668 A CN 201811088668A CN 109187238 B CN109187238 B CN 109187238B
- Authority
- CN
- China
- Prior art keywords
- workbench
- explosion
- thrust
- test
- explosion thrust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 88
- 238000004880 explosion Methods 0.000 title claims abstract description 72
- 238000010998 test method Methods 0.000 title claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 239000002360 explosive Substances 0.000 claims abstract description 5
- 238000005474 detonation Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims abstract description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 238000005422 blasting Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/313—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by explosives
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A workbench for test, an explosion thrust test device and a test method, comprises a workbench (1); a support rod (2) hinged with the workbench (1); a support leg (3) detachably connected with the support rod; a fixing drill rod (4) connected with the other end of the supporting leg; a connecting rod (5) connected with the adjacent support leg (3); a positioning ring (6) connected with the workbench (1); an explosion thrust testing mechanism (7) connected with the positioning ring (6); a pressing plate (8) connected with the workbench (1); a force release hole (9); a pressure sensor; the test process comprises the following steps: assembling an explosion thrust test device; the explosion thrust testing mechanism (7) is connected with the positioning ring (6), the pressing plate (8) is connected with the workbench (1), the explosion thrust testing mechanism (7) is fixed, explosive is filled, pressure data during explosion is obtained from the pressure sensor after detonation, and the explosion thrust is calculated according to the obtained pressure data and the aperture of the bottom plate of the explosion thrust testing mechanism.
Description
Technical Field
The invention relates to the technical field of explosion thrust tests, in particular to a workbench for a test; the invention also relates to an explosion thrust test device and an explosion thrust test method.
Background
With the great development and utilization of natural resources and the development of advanced weapons in human society, blasting is increasingly used in various projects. Blasting is a cross-discipline of multiple couplings and due to its complexity, research has been dominated by experiments. Because the explosion thrust test is generally operated in the field, the existing explosion thrust test device has the problems of poor reliability, unstable sensor fixation, inconvenient transportation, field installation and use and the like, and can not meet the test requirements.
Disclosure of Invention
The invention aims to solve the technical problem of providing a workbench, an explosion thrust test device and a test method which can be loaded by using a general small-sized vehicle, are convenient to install and use and are suitable for field test.
In order to solve the above technical problems, according to one aspect of the present invention, there is provided a bench for testing, including a bench; at least three support rods with first ends hinged with the bottom of the workbench; a support leg with a first end detachably connected with the other end of the support rod; the fixing drill rod is connected with the other end of the supporting leg; and two ends of the connecting rod are detachably connected with the adjacent supporting legs respectively.
According to the improved technical scheme of the invention, the supporting rod and the supporting legs are provided with the plurality of mutually matched bolt holes, and the explosion thrust test device is also provided with bolts detachably connected with the bolt holes.
According to the improved technical scheme, the supporting rod and the supporting leg are sleeved, and the explosion thrust test device is further provided with the directional locking screw connected with the supporting leg.
In order to solve the above technical problems, according to another aspect of the present invention, there is provided an explosion thrust test apparatus comprising a workbench; at least three support rods with first ends hinged with the bottom of the workbench; a support leg with a first end detachably connected with the other end of the support rod; the fixing drill rod is connected with the other end of the supporting leg; connecting rods with two ends detachably connected with adjacent support legs respectively; a positioning ring connected with the workbench; the explosion thrust testing mechanism is connected with the positioning ring; the pressing plate is detachably connected with the workbench and used for fixing the explosion thrust test mechanism; the positioning ring is internally provided with a force release hole arranged on the workbench; the strain gauge type pressure sensor is positioned in the force release hole and connected with the bottom plate of the explosion thrust test mechanism; the portable pressure data acquisition device is connected with the strain gauge type pressure sensor through a cable; the aperture of the force release hole is larger than the diameter of the bottom plate of the explosion thrust test mechanism.
According to the explosion thrust testing device, the supporting rods and the supporting legs are provided with the plurality of mutually matched bolt holes, and the explosion thrust testing device is further provided with bolts detachably connected with the bolt holes.
According to the explosion thrust test device, the support rods are sleeved with the supporting legs, and the explosion thrust test device is further provided with directional locking screws connected with the supporting legs.
In order to solve the technical problems, the invention also provides an explosion thrust test method, which adopts an explosion thrust test device for test, wherein the explosion thrust test device comprises a workbench; at least three support rods with first ends hinged with the bottom of the workbench; a support leg with a first end detachably connected with the other end of the support rod; the fixing drill rod is connected with the other end of the supporting leg; connecting rods with two ends detachably connected with adjacent support legs respectively; a positioning ring connected with the workbench; the explosion thrust testing mechanism is connected with the positioning ring; the pressing plate is detachably connected with the workbench and used for fixing the explosion thrust test mechanism; the positioning ring is internally provided with a force release hole arranged on the workbench; the strain gauge type pressure sensor is positioned in the force release hole and connected with the bottom plate of the explosion thrust test mechanism; the portable pressure data acquisition device is connected with the strain gauge type pressure sensor through a cable; the aperture of the force release hole is larger than the diameter of a bottom plate of the explosion thrust test mechanism; the test process comprises the following steps:
After the explosion thrust test device is disassembled and transported to a test site, the support rods are connected with the workbench, the supporting legs are connected with the support rods, and the height of the support rods is adjusted to enable the workbench to be in the horizontal direction; connecting two ends of each connecting rod with adjacent supporting legs respectively; inserting each fixing drill rod into the stratum, connecting the fixing drill rods with the supporting legs, and fixing the workbench; the explosion thrust test mechanism is connected with the positioning ring, the pressing plate is connected with the workbench, the explosion thrust test mechanism is fixed, explosive is filled in the explosion thrust test mechanism, unit thrust when the bottom plate is separated from the explosion thrust test mechanism is obtained through the strain gauge type pressure sensor after detonation, the unit thrust is equal to the pressure value measured by the strain gauge type pressure sensor, and the thrust required by the separation of the bottom plate from the explosion thrust test mechanism is calculated according to the area of the bottom plate multiplied by the unit thrust.
The foregoing improvements may be implemented alone or in combination without conflict.
According to the technical scheme, after the workbench for the test is disassembled, the workbench for the test can be loaded and transported by using a common small vehicle, so that the workbench for the test has flexibility in loading and transporting, is convenient to install and use, and is suitable for the test under the field condition.
Drawings
The accompanying drawings are included to provide a further understanding of the application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic diagram of the perspective structural principle of an explosion thrust test device according to an embodiment;
FIG. 2 is a schematic diagram of the principle of the front view structure of an explosion thrust test device according to an embodiment;
Fig. 3 is an enlarged view of the section I of fig. 2.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The explosion thrust test device shown in fig. 1 comprises a workbench 1, at least three support rods 2 with first ends hinged with the bottom of the workbench 1, support legs 3 with the first ends detachably connected with the other ends of the support rods 2, fixing drills 4 connected with the other ends of the support legs 3, connecting rods 5 with two ends detachably connected with adjacent support legs 3 respectively, a positioning ring 6 connected with the workbench 1, an explosion thrust test mechanism 7 connected with the positioning ring 6, a pressing plate 8 detachably connected with the workbench 1 and used for fixing the explosion thrust test mechanism 7, a force release hole 9 arranged on the workbench 1 and positioned in the positioning ring 6, and a strain gauge type pressure sensor 13 connected with a bottom plate 15 of the explosion thrust test mechanism 7 and positioned in the force release hole 9; a portable pressure data acquisition device 14 connected to the strain gauge pressure sensor 13 by a cable; the diameter of the force release hole 9 is larger than the diameter of the bottom plate of the explosion thrust testing mechanism 7.
The test process comprises the following steps: after the explosion thrust test device is disassembled and transported to a test site, the support rods 2 are connected with the workbench 1, the support legs 3 are connected with the support rods 2, and the height of the support rods 2 is adjusted to enable the workbench 1 to be in the horizontal direction; connecting two ends of each connecting rod 5 with adjacent supporting legs 3 respectively; each fixing drill rod 4 is inserted into a stratum and connected with the supporting leg 3 to fix the workbench 1; the explosion thrust test mechanism 7 is connected with the positioning ring 6, the pressing plate 8 is connected with the workbench 1, the explosion thrust test mechanism 7 is fixed, explosive is filled in the explosion thrust test mechanism 7, the unit thrust when the bottom plate 15 is separated from the explosion thrust test mechanism 7 is obtained through the strain gauge type pressure sensor 13 after detonation, the unit thrust is equal to the pressure value measured by the strain gauge type pressure sensor 13, and the thrust required by the separation of the bottom plate 15 from the explosion thrust test mechanism 7 is calculated according to the area of the bottom plate 15 multiplied by the unit thrust.
The positioning ring 6 is used for fixing the position of the explosion thrust test mechanism 7 on one hand, so that when the explosive is detonated, air flow passes through the force release hole 9 according to the design requirement, and on the other hand, the boss of the positioning ring is contacted with the outer wall of the explosion thrust test mechanism 7 to play a role in blocking the air flow, thereby being beneficial to detecting accurate pressure data during the test.
In one embodiment, the explosion thrust testing device provided by the invention is characterized in that a plurality of bolt holes 10 matched with each other are formed in the support rod 2 and the support legs 3, and the explosion thrust testing device is also provided with bolts 11 detachably connected with the bolt holes 10. The bolts 11 are inserted into the different bolt holes 10, and the total length of the support rod 2 and the support legs 3 can be adjusted, thereby adjusting the height of the workbench 1.
In one embodiment, the explosion thrust testing device provided by the invention is characterized in that the supporting rod 2 is sleeved with the supporting leg 3, and the explosion thrust testing device is further provided with a directional locking screw 12 connected with the supporting leg 3. The directional locking screw 12 locks the support rod 2 and the support leg 3, so that the stability of the workbench 1 is improved.
Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the claims of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. An explosion thrust test method adopts an explosion thrust test device to carry out a test, and is characterized in that the explosion thrust test device comprises a workbench (1); at least three support rods (2) with first ends hinged with the bottom of the workbench (1); a support leg (3) with a first end detachably connected with the other end of the support rod (2); a fixing drill rod (4) connected with the other end of the supporting leg (3); connecting rods (5) with two ends detachably connected with the adjacent supporting legs (3) respectively; a positioning ring (6) connected with the workbench (1); an explosion thrust testing mechanism (7) connected with the positioning ring (6); a pressing plate (8) detachably connected with the workbench (1) and used for fixing an explosion thrust test mechanism (7); a force release hole (9) arranged on the workbench (1) and positioned in the positioning ring (6); a strain gauge type pressure sensor (13) which is positioned in the force release hole (9) and connected with a bottom plate (15) of the explosion thrust test mechanism (7); a portable pressure data acquisition device (14) connected to the strain gauge pressure sensor (13) by a cable; the aperture of the force release hole (9) is larger than the diameter of a bottom plate (15) of the explosion thrust test mechanism (7); the test process comprises the following steps:
After the explosion thrust test device is disassembled and transported to a test site, the support rods (2) are connected with the workbench (1), the support legs (3) are connected with the support rods (2), and the height of the support rods (2) is adjusted to enable the workbench (1) to be in the horizontal direction; two ends of each connecting rod (5) are respectively connected with adjacent supporting legs (3); each fixing drill rod (4) is inserted into a stratum and connected with the supporting legs (3), and the workbench (1) is fixed; the explosion thrust test mechanism (7) is connected with the locating ring (6), the pressing plate (8) is connected with the workbench (1), the explosion thrust test mechanism (7) is fixed, explosive is filled in the explosion thrust test mechanism (7), unit thrust when the bottom plate (15) is separated from the explosion thrust test mechanism (7) is obtained through the strain gauge type pressure sensor (13) after detonation, the unit thrust is equal to the pressure value measured by the strain gauge type pressure sensor (13), and the thrust required by the separation of the bottom plate (15) from the explosion thrust test mechanism (7) is calculated according to the area of the bottom plate multiplied by the unit thrust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088668.0A CN109187238B (en) | 2018-09-18 | 2018-09-18 | Workbench for test, explosion thrust test device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088668.0A CN109187238B (en) | 2018-09-18 | 2018-09-18 | Workbench for test, explosion thrust test device and test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109187238A CN109187238A (en) | 2019-01-11 |
| CN109187238B true CN109187238B (en) | 2024-04-26 |
Family
ID=64908190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811088668.0A Active CN109187238B (en) | 2018-09-18 | 2018-09-18 | Workbench for test, explosion thrust test device and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109187238B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849571B (en) * | 2019-12-03 | 2021-12-07 | 广西冠桂爆破科技有限公司 | Civil engineering structure explosion damage experiment platform |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2294141Y (en) * | 1997-06-05 | 1998-10-14 | 林煌隆 | Work bench having supporting frame |
| CN101776678A (en) * | 2010-01-19 | 2010-07-14 | 山西翰达科技有限公司 | Dynamic test measuring device for simulating explosion of explosives |
| CN101825557A (en) * | 2010-04-15 | 2010-09-08 | 吉林省吉大机电设备有限公司 | Friction explosion test machine for combustible gas |
| JP2014190704A (en) * | 2013-03-26 | 2014-10-06 | Taiyo Nippon Sanso Corp | Combustion/explosion test device |
| DE102013105975A1 (en) * | 2013-06-10 | 2014-12-11 | Ficht Fahrzeug + Marinetechnik Gmbh & Co. Kg | Test bench for detonative investigations |
| CN106248507A (en) * | 2016-07-11 | 2016-12-21 | 中北大学 | A kind of civil engineering structure blast injury experiment platform |
| DE102015110318A1 (en) * | 2015-06-26 | 2016-12-29 | Ficht Fahrzeug + Marinetechnik Gmbh & Co. Kg | Test bench for detonative investigations |
| CN108303311A (en) * | 2018-04-16 | 2018-07-20 | 昆明理工大学 | A kind of the blasthole suspension stabilising arrangement and blasthole forming method of Blasting Models scientific research and testing |
| CN208847680U (en) * | 2018-09-18 | 2019-05-10 | 湖南金翎箭信息技术有限公司 | A kind of test workbench, explosive thrust experimental rig |
-
2018
- 2018-09-18 CN CN201811088668.0A patent/CN109187238B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2294141Y (en) * | 1997-06-05 | 1998-10-14 | 林煌隆 | Work bench having supporting frame |
| CN101776678A (en) * | 2010-01-19 | 2010-07-14 | 山西翰达科技有限公司 | Dynamic test measuring device for simulating explosion of explosives |
| CN101825557A (en) * | 2010-04-15 | 2010-09-08 | 吉林省吉大机电设备有限公司 | Friction explosion test machine for combustible gas |
| JP2014190704A (en) * | 2013-03-26 | 2014-10-06 | Taiyo Nippon Sanso Corp | Combustion/explosion test device |
| DE102013105975A1 (en) * | 2013-06-10 | 2014-12-11 | Ficht Fahrzeug + Marinetechnik Gmbh & Co. Kg | Test bench for detonative investigations |
| DE102015110318A1 (en) * | 2015-06-26 | 2016-12-29 | Ficht Fahrzeug + Marinetechnik Gmbh & Co. Kg | Test bench for detonative investigations |
| CN106248507A (en) * | 2016-07-11 | 2016-12-21 | 中北大学 | A kind of civil engineering structure blast injury experiment platform |
| CN108303311A (en) * | 2018-04-16 | 2018-07-20 | 昆明理工大学 | A kind of the blasthole suspension stabilising arrangement and blasthole forming method of Blasting Models scientific research and testing |
| CN208847680U (en) * | 2018-09-18 | 2019-05-10 | 湖南金翎箭信息技术有限公司 | A kind of test workbench, explosive thrust experimental rig |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109187238A (en) | 2019-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109187238B (en) | Workbench for test, explosion thrust test device and test method | |
| CN109812259A (en) | A kind of coal mining drilling multi objective test device and method | |
| CN103266589A (en) | Integral-type settlement plate installation device of soil mass layered settlement monitoring equipment | |
| CN110673205A (en) | Micro-seismic sensor taking and placing device with strain gauge pasting structure and using method thereof | |
| CN108167007B (en) | For measuring the internal expansion anchoring-bolt and its anchoring process of tunneling boring coupling rock mass response parameter | |
| CN205078249U (en) | Oil perforation position tester and perforation testing arrangement | |
| CN204716230U (en) | High-frequency perforation data acquisition instrument | |
| CN108756795B (en) | Experimental method for researching reverse fault ground stress of coal mine tunnel | |
| CN108181164B (en) | Sample wave velocity measuring device for impact test and test method thereof | |
| CN208847680U (en) | A kind of test workbench, explosive thrust experimental rig | |
| CN111678809B (en) | Coal rock internal friction angle and cohesive force testing device and testing method | |
| US5696319A (en) | Flexure fixture for dynamic loading modal surveys of test articles | |
| CN212539189U (en) | Civil engineering construction is with maring ground borer | |
| CN211633323U (en) | Detector installation positioner | |
| CN209069866U (en) | Rock type acoustic emission sensor fixes device | |
| CN111089782B (en) | Structure of sleeved type cutting box | |
| CN109827689B (en) | Be used for satellite-borne radar antenna packing force loading measuring device | |
| CN203178010U (en) | Efficient testing machine for detecting test pretightening force | |
| CN207662290U (en) | A kind of engine tube joint detector | |
| CN207231685U (en) | Rock mass engineering project the ground stress gauge and stress mornitoring system | |
| CN208564535U (en) | A kind of clamp device and gun drilling crustal stress wireless test apparatus | |
| CN221442518U (en) | Self-locking righting device | |
| CN216977771U (en) | Measuring device for building engineering management | |
| CN221898486U (en) | Portable land measuring instrument | |
| CN218801705U (en) | Constraint tool for measuring natural frequency of fan blade |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |