CN114838632B - Adjustable broken piece speed measuring device - Google Patents
Adjustable broken piece speed measuring device Download PDFInfo
- Publication number
- CN114838632B CN114838632B CN202210410877.2A CN202210410877A CN114838632B CN 114838632 B CN114838632 B CN 114838632B CN 202210410877 A CN202210410877 A CN 202210410877A CN 114838632 B CN114838632 B CN 114838632B
- Authority
- CN
- China
- Prior art keywords
- speed measuring
- bracket
- shaped
- target mounting
- distance
- 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
- 239000012634 fragment Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 8
- 238000004880 explosion Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 34
- 230000002147 killing effect Effects 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B35/00—Testing or checking of ammunition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J1/00—Targets; Target stands; Target holders
- F41J1/10—Target stands; Target holders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention belongs to the field of projectile test, and particularly relates to an adjustable broken piece speed measuring device which comprises an A-shaped bracket, a longitudinal beam, an X-shaped bracket, a speed measuring target mounting frame, a distance measuring bracket and a laser distance measuring instrument. The A-shaped brackets are fixed on the ground, and the longitudinal beams can connect the cross beams of the 2A-shaped brackets. The 2X-shaped brackets can be arranged in a fixed sliding bearing seat at the upper part of the A-shaped bracket through a rotating shaft, and the 2-3 speed measuring target mounting frame is fixed on the 2X-shaped brackets. The pitching angles of the whole X-shaped bracket and the speed measuring target mounting frame can be adjusted, and bolts can pass through slots in the annular groove plates to fix the X-shaped bracket on the A-shaped bracket after adjustment. After the pitch angle of the X bracket is fixed through the laser range finder, a conventional complicated adjustment mode can be avoided. After the X-shaped bracket is fixed, the ranging bracket is disassembled, and a speed measuring target plate is replaced. When the test is repeated, only the speed measuring target plate needs to be replaced, so that the working strength is reduced.
Description
Technical Field
The invention belongs to the field of projectile test, and particularly relates to an adjustable broken piece speed measuring device which can simultaneously test broken piece speed and broken piece density on a unit area.
Background
The damage evaluation of the warhead is mainly carried out from the aspects of damage shock wave overpressure, fragment killing energy, fragment distribution density and the like. The breaking energy can be calculatedW=0.5mv 2 Calculating, and obtaining the factors affecting the fragment killing energy as fragment qualitymAnd breaking speedv. A large number of killing fragments are preset in a common warhead, and the quality of each preset killing fragment is determined, so that the main factor affecting the killing energy of the fragment is the fragment speed. In addition, the number of fragments per unit area, namely the distribution density of fragments, is also considered in the evaluation of the killing effect. For the evaluation of the killing effect of the warhead, a certain speed measuring device and a fragment distribution density testing device are usually arranged.
The method for testing the breaking speed of the warhead mainly comprises the steps of light curtain target speed measurement and on-off target speed measurement at present, and the principle of the method is to determine the breaking speed through the ratio of the distance between two target plates and the time when the breaking passes between the two target plates no matter what speed measuring structure is. The main difference is the mounting structure of the test target, and most of the conventional mounting structures are mounted in a fixed manner. In the actual construction process, the center of the target plate is required to be consistent with the explosion center of the test warhead, and the target plate surface is required to face the explosion center. However, when the target plate is mounted in a fixed form, the height, angle and distance from the explosion center of the target plate need to be adjusted due to the limitation of the uneven ground of the test site. Meanwhile, the preparation time of each test of the target distribution generally needs 3-7 days, the test target plate is easy to break or topple over when being subjected to heavy wind load, the test arrangement is very troublesome, and the test requirement can be met only by cooperation of multiple people and good weather. In addition, the existing fixed support is of a wood structure, so that the wood support is easy to break due to the impact wave on the speed measuring target in the test process, the support cannot be used repeatedly after the test, and the test cost is high. Even if a steel bracket is used, a lot of time is occupied for arrangement and adjustment during retest.
Disclosure of Invention
In order to simplify the target distribution time and operation, the invention provides a relatively simple modularized adjustable fragment speed measuring device, and meanwhile, the distribution density of fragments can be estimated through the number of fragments on a target plate.
The invention is realized by adopting the following technical scheme: an adjustable broken piece speed measuring device comprises a first bracket, a second bracket, a speed measuring target mounting frame, a distance measuring bracket and a laser distance measuring instrument; the second bracket comprises a circular groove plate, a speed measuring target mounting beam and a rotating shaft; the center of the second bracket is provided with a rotating shaft, a radial through hole is formed in the rotating shaft, a circular groove plate is fixed on the second bracket, an annular groove is formed in the circular groove plate, 2 speed measuring target mounting beams are respectively fixed at the upper end and the lower end of the second bracket, and each speed measuring target mounting beam is provided with a series of through holes for mounting a speed measuring target mounting frame; the upper part of the first bracket is fixed with a sliding bearing seat, the bracket legs are provided with holes for fixing the annular groove plates, and the distance between the holes and the center of the sliding bearing seat is consistent with the radius of the annular groove in the annular groove plates; the periphery of the speed measuring target mounting frame is provided with speed measuring target mounting holes and connecting holes with the second bracket, through holes are arranged in the middle positions of the upper frame and the lower frame of the speed measuring target mounting frame, and the distance between the upper through hole and the lower through hole is consistent with the distance between the mounting holes on the distance measuring bracket; the center of the speed measuring bracket is provided with a through hole, one side of the center of the speed measuring bracket is also provided with a U-shaped bracket of the laser range finder, and the U-shaped bracket can fix the laser range finder.
2 first brackets are fixed on the ground, rotating shafts on 2 second brackets are respectively arranged in sliding bearing seats of the 2 first brackets, and spring shaft pins are inserted into radial through holes of the rotating shafts, so that the first brackets and the second brackets are connected, and the first brackets and the second brackets can rotate relatively; 2-3 test target mounting frames are respectively arranged between the second brackets, the test target mounting frames are parallel to each other, and the space is read through a scale; at this time, the test target mounting frame is fixedly connected with the 2 second brackets, becomes a whole and can rotate relative to the 2 first brackets; the distance measuring bracket is arranged on a speed measuring target mounting frame, so that the center of the distance measuring bracket coincides with the center of the speed measuring target mounting frame, and the laser distance measuring instrument is arranged in a U-shaped seat on the distance measuring bracket;
after the second bracket is rotated and the range finder is opened to find the explosion mark of the warhead, bolts are used to pass through the holes on the first bracket and the annular grooves on the annular groove plate and fix the two, at the moment, the position of the second bracket is fixed, at the moment, the target surface of the speed measuring target can be ensured to face the explosion center, and the distance from the laser range finder to the explosion center is recorded; removing the laser range finder and the range finding bracket; the pitch angle and the distance from the explosion center of other speed measuring devices can be positioned by the same method; and finally, installing a speed measuring target plate on the test target installation frame.
The adjustable broken piece speed measuring device is characterized in that the first bracket is an A-shaped bracket.
The second bracket is an X-shaped bracket, the main body of the X-shaped bracket is an X-shaped beam, the center of intersection of the X-shaped beam is provided with a rotating shaft, the circular groove plate is composed of 4 quarter annular plates, an annular groove is arranged in the middle of each annular plate, and the 4 annular plates are welded on the X-shaped beam to form the circular groove plate; the 2 speed measuring target mounting beams are welded at the upper end and the lower end of the X-shaped beam.
The adjustable broken piece speed measuring device comprises an X-shaped bracket, a measuring plate and a speed measuring target, wherein the X-shaped bracket is fixed on the speed measuring target mounting beam.
The adjustable broken piece speed measuring device further comprises a longitudinal beam, and the longitudinal beam is connected with the front A-shaped bracket and the rear A-shaped bracket.
The installation and use method of the adjustable broken piece speed measuring device comprises the following steps: 2A-shaped brackets are connected through longitudinal beams, and the A-shaped brackets are fixed on the ground; the rotating shafts on the 2X-shaped brackets are respectively arranged in the sliding bearing seats of the 2A-shaped brackets, and the spring shaft pin is inserted into the radial through hole of the rotating shaft, so that the X-shaped brackets and the A-shaped brackets are connected, and the X-shaped brackets and the A-shaped brackets can rotate relatively; 2-3 test target mounting frames are respectively arranged between 2X-shaped brackets, the test target mounting frames are parallel to each other, and the space is read through a scale; at this time, the test target mounting frame is fixedly connected with the 2X-shaped brackets, becomes a whole and can rotate relative to the 2A-shaped brackets; the distance measuring bracket is arranged on a speed measuring target mounting frame, so that the center of the distance measuring bracket coincides with the center of the speed measuring target mounting frame, and the laser distance measuring instrument is arranged in a U-shaped seat on the distance measuring bracket;
after the X-shaped bracket is turned on and the range finder finds the explosion mark of the warhead, bolts are used for penetrating through holes in the A-shaped bracket and annular grooves in the annular groove plate, the holes and the annular grooves are fixed, the position of the X-shaped bracket at the moment is fixed, the target surface of the speed measuring target can be ensured to face the explosion center at the moment, and the distance from the laser range finder to the explosion center is recorded; removing the laser range finder and the range finding bracket; the pitch angle and the distance from the explosion center of other speed measuring devices can be positioned by the same method; and finally, installing a speed measuring target plate on the test target installation frame.
The adjustable broken piece speed measuring device can be provided with a plurality of sets, and the laser ranging bracket and the laser ranging instrument are matched with 1-2 sets.
According to the adjustable fragment speed measuring device, the mounting position of the test target mounting frame on the X-shaped bracket can be adjusted according to a series of mounting through holes on the speed measuring target mounting beam.
The adjustable broken piece speed measuring device is characterized in that through holes are also formed in the middle positions of the left frame and the right frame of the speed measuring target mounting frame, the distance between the left through hole and the right through hole is consistent with the distance between the mounting holes on the distance measuring support, the distance measuring support can be horizontally mounted on the speed measuring target mounting frame, and the distance measuring support can be vertically mounted on the speed measuring target mounting frame by utilizing the upper through holes and the lower through holes.
The invention provides a modularized and reusable fragment testing device which has the functions of accurately adjusting the distance between speed measuring targets, adjusting the angle of a target plate, measuring the distance by laser, orienting the laser and the like. The device has the advantages of simple installation, strong adaptability to terrains, target distribution time saving, target distribution operation simplification and the like. Meanwhile, the speed measuring function is removed, and the distribution density of broken pieces can be measured.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of an X-shaped stent structure.
In the figure: the device comprises a 1-A-shaped bracket, a 2-longitudinal beam, a 3-X-shaped bracket, a 4-speed measuring target mounting frame, a 5-distance measuring bracket, a 6-laser distance meter, a 7-X-shaped beam, an 8-round groove plate, a 9-speed measuring target mounting beam, a 10-scale and a 11-rotating shaft.
Detailed Description
An adjustable broken piece speed measuring device comprises an A-shaped bracket 1, a longitudinal beam 2, an X-shaped bracket 3, a speed measuring target mounting frame 4, a distance measuring bracket 5 and a laser distance measuring instrument 6. The bottom of the A-shaped bracket 1 is provided with a foot pad fixed with the ground, the foot pad is provided with a fixing hole, and the A-shaped bracket 1 can be fixed on the ground through steel drills or anchor screws; the upper part of the A-shaped bracket 1 is provided with a fixed sliding bearing seat for installing an X-shaped bracket 3; holes for fixing the annular groove plate 8 are respectively arranged on 2 legs of the A-shaped bracket 1, and the distance between each hole and the center of the sliding bearing seat is consistent with the radius of the annular groove in the annular groove plate 8. The longitudinal beam 2 can connect the cross beams of the 2A-shaped brackets 1, and the installation position does not influence the rotation of the speed measuring target installation frame 4.
The X-shaped bracket 3 is composed of an X-shaped beam 7, a round groove plate 8, a speed measuring target mounting beam 9, a scale 10 and a rotating shaft 11. The X-shaped beam 7 is the main body of the X-shaped bracket 3, the cross center of the X-shaped beam 7 is a rotating shaft 11, a through hole is radially formed in the rotating shaft 11 and used for installing a spring shaft pin, and the rotating shaft 11 can be installed in a sliding bearing seat of the A-shaped bracket 1. The circular groove plate 8 is formed by 4 quarter annular plates, an annular groove is arranged in the middle of each annular plate, and the 4 annular plates are welded on the X-shaped beam 7 to form the circular groove plate 8; the 2 speed measuring target mounting beams 9 are welded at the upper end and the lower end of the X-shaped beam 7, and each speed measuring target mounting beam 9 is provided with a series of through holes. The 2 scales 10 are respectively fixed on the 2 speed measuring target mounting beams 9, and the same ends of the 2 scales 10 are aligned.
The speed measuring target mounting frame 4 is a square frame, and the periphery of the frame is provided with speed measuring target mounting holes and connecting holes with the X-shaped bracket 3. The upper and lower frames of the speed measuring target mounting frame 4 are respectively provided with through holes at the vertical symmetry axis positions of the mounting frame, the left and right frames are respectively provided with through holes at the horizontal symmetry axis positions of the mounting frame, the distance between the upper and lower through holes, the distance between the left and right through holes are consistent with the distance between the mounting holes of the distance measuring support 5, and thus, when the distance measuring support 5 is vertically or horizontally mounted on the speed measuring target mounting frame 4, the centers of the upper and lower through holes are coincident. The speed measuring bracket 5 is of a strip plate-shaped structure, and a through hole is formed in the geometric center of the speed measuring bracket so that laser of the laser range finder 6 can pass through without shielding; the speed measuring bracket 5 is also provided with a U-shaped bracket of the laser range finder at one side of the center, and can fix the laser range finder. The adjustable broken piece speed measuring device can be provided with a plurality of sets, but the laser ranging bracket 5 and the laser ranging instrument are matched with 1-2 sets.
The speed measuring target can be finally and quickly arranged on the speed measuring target mounting frame 4 according to weather conditions, so that the influence of strong wind on the test target is avoided. When the test is carried out again after the test, the center of the speed measuring target mounting frame 4 is guaranteed to be opposite to the explosion center only by adjusting the pitching angle of the X-shaped support, the height of the test target is not required to be adjusted, and the working time and the workload are greatly simplified.
The specific installation mode is as follows:
the 2A-shaped brackets 1 are connected through the longitudinal beams 2, and the A-shaped brackets 1 are fixed on the ground. The rotating shafts 11 on the 2X-shaped brackets 3 are respectively arranged in the sliding bearing seats of the 2A-shaped brackets 1, and the spring shaft pin is inserted into the rotating shafts 11, so that the X-shaped brackets 3 and the A-shaped brackets 1 are connected, and the relative rotation of the two brackets is ensured. 2-3 test target mounting frames 4 are respectively arranged between 2X-shaped brackets 3, the 2-3 test target mounting frames 4 are parallel to each other, and the distance is read out through a scale 10. At this time, 2-3 test target mounting frames 4 and 2X-shaped brackets 3 are fixedly connected to form a whole and can rotate relative to 2A-shaped brackets 1. The distance measuring bracket 5 is arranged on a speed measuring target mounting frame 4, so that the center of the distance measuring bracket 5 coincides with the center of the speed measuring target mounting frame 4, and the laser distance measuring instrument 6 is arranged in a U-shaped seat on the distance measuring bracket 5. After the X-shaped bracket 3 is rotated and the range finder 6 is opened to find the explosion mark of the warhead, a bolt passes through the hole on the A-shaped bracket 1 and the annular groove on the annular groove plate 8 and fixes the hole and the annular groove plate, the position of the X-shaped bracket 3 at the moment is fixed, the target surface of the speed measuring target can be ensured to face the explosion, and the pitching angles of the whole X-shaped bracket and the speed measuring target mounting frame are adjusted. The distance of the laser rangefinder 6 from the plumule is recorded. The laser rangefinder 6 and the range bracket 5 are removed. The pitch angle and the distance from the explosion center of other speed measuring devices can be positioned by the same method. Finally, a speed measuring target plate is arranged on the test target mounting frame 4.
Claims (9)
1. An adjustable broken piece speed measuring device which is characterized in that: comprises a first bracket, a second bracket, a speed measuring target mounting frame (4), a distance measuring bracket (5) and a laser distance measuring instrument (6); the second bracket comprises a circular groove plate (8), a speed measuring target mounting beam (9) and a rotating shaft (11); a rotating shaft (11) is arranged at the center of the second bracket, a radial through hole is formed in the rotating shaft (11), a circular groove plate (8) is fixed on the second bracket, an annular groove is formed in the circular groove plate (8), 2 speed measuring target mounting beams (9) are respectively fixed at the upper end and the lower end of the second bracket, and a series of mounting through holes are formed in each speed measuring target mounting beam (9); the upper part of the first bracket is fixed with a sliding bearing seat, the bracket legs are provided with holes for fixing the circular groove plates (8), and the distance between the holes and the center of the sliding bearing seat is consistent with the radius of an annular groove in the circular groove plates (8); the periphery of the speed measuring target mounting frame (4) is provided with speed measuring target mounting holes and connecting holes with the second bracket, through holes are arranged in the middle positions of the upper and lower frames of the speed measuring target mounting frame (4), and the distance between the upper and lower through holes is consistent with the distance between the mounting holes on the distance measuring bracket (5); the center of the ranging bracket (5) is provided with a through hole, one side of the center of the ranging bracket (5) is also provided with a U-shaped bracket of a laser range finder, and the U-shaped bracket is used for fixing the laser range finder (6).
2. The adjustable fragment speed measuring device according to claim 1, wherein: the first bracket is an A-shaped bracket (1).
3. The adjustable fragment speed measuring device according to claim 2, wherein: the second support is an X-shaped support (3), the main body of the X-shaped support (3) is an X-shaped beam (7), a rotating shaft (11) is arranged at the center of the intersection of the X-shaped beam (7), the circular groove plate (8) is formed by 4 quarter annular plates, an annular groove is arranged in the middle of each annular plate, and the 4 annular plates are welded on the X-shaped beam (7) to form the circular groove plate (8); the 2 speed measuring target mounting beams (9) are welded at the upper end and the lower end of the X-shaped beam (7).
4. An adjustable fragment speed measuring device according to claim 3, wherein: the X-shaped bracket (3) also comprises a scale (10), and the scale (10) is fixed on the speed measuring target mounting beam (9).
5. The adjustable fragment speed measuring device according to claim 4, wherein: the device also comprises a longitudinal beam (2), wherein the longitudinal beam (2) is connected with the front and rear A-shaped brackets (1).
6. The adjustable fragment speed measuring device according to claim 5, wherein: the installation and use method comprises the following steps: 2A-shaped brackets (1) are connected through longitudinal beams (2), and the A-shaped brackets (1) are fixed on the ground; the method comprises the steps of respectively installing rotating shafts (11) on 2X-shaped brackets (3) in sliding bearing seats of 2A-shaped brackets (1), inserting spring shaft pins into radial through holes of the rotating shafts (11), connecting the X-shaped brackets (3) with the A-shaped brackets (1), and ensuring that the X-shaped brackets and the A-shaped brackets can rotate relatively; 2-3 speed measuring target mounting frames (4) are respectively arranged between 2X-shaped brackets (3), the speed measuring target mounting frames (4) are parallel to each other, and the distance is read through a scale (10); at the moment, the speed measuring target mounting frame (4) and the 2X-shaped brackets (3) are fixedly connected to form a whole and can rotate relative to the 2A-shaped brackets (1); the distance measuring bracket (5) is arranged on a speed measuring target mounting frame (4) so that the center of the distance measuring bracket (5) coincides with the center of the speed measuring target mounting frame (4), and the laser distance measuring instrument (6) is arranged in a U-shaped seat on the distance measuring bracket (5);
after the X-shaped bracket (3) is rotated and the distance meter (6) is opened to find the explosion mark of the warhead, bolts are used to pass through holes on the A-shaped bracket (1) and annular grooves on the circular groove plate (8) and fix the two, the position of the X-shaped bracket (3) at the moment is fixed, the target surface of the speed measuring target is ensured to face the explosion center at the moment, and the distance from the laser distance meter (6) to the explosion center is recorded; removing the laser range finder (6) and the range finding bracket (5); positioning pitch angles and distances from the explosion center of other speed measuring devices by using the same method; finally, a speed measuring target plate is arranged on the speed measuring target mounting frame (4).
7. The adjustable fragment speed measuring device according to claim 6, wherein: the adjustable broken piece speed measuring device is provided with a plurality of sets, and the laser ranging bracket (5) and the laser ranging instrument (6) are matched with 1-2 sets.
8. An adjustable fragment speed measuring device according to claim 6 or 7, wherein: the mounting position of the speed measuring target mounting frame (4) on the X-shaped bracket (3) can be adjusted according to a series of mounting through holes on the speed measuring target mounting beam (9).
9. An adjustable fragment speed measuring device according to claim 6 or 7, wherein: the middle positions of the left frame and the right frame of the speed measuring target mounting frame (4) are also provided with through holes, the distance between the left through hole and the right through hole is consistent with the distance between the mounting holes on the distance measuring bracket (5), the distance measuring bracket (5) can be horizontally mounted on the speed measuring target mounting frame (4), and the upper through hole and the lower through hole can be vertically mounted on the speed measuring target mounting frame (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210410877.2A CN114838632B (en) | 2022-04-19 | 2022-04-19 | Adjustable broken piece speed measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210410877.2A CN114838632B (en) | 2022-04-19 | 2022-04-19 | Adjustable broken piece speed measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114838632A CN114838632A (en) | 2022-08-02 |
| CN114838632B true CN114838632B (en) | 2023-11-24 |
Family
ID=82564875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210410877.2A Active CN114838632B (en) | 2022-04-19 | 2022-04-19 | Adjustable broken piece speed measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114838632B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203216389U (en) * | 2013-04-10 | 2013-09-25 | 中国兵器工业第二0二研究所 | Alignment device applied to initial velocity measuring device of artillery projectile |
| CN205482632U (en) * | 2016-01-28 | 2016-08-17 | 晋西工业集团有限责任公司 | Stabilising arrangement state of flight spirit activity detection device |
| CN108592714A (en) * | 2018-03-01 | 2018-09-28 | 北京理工大学 | A kind of experimental rig for testing Fragment Velocities decaying |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110062667A1 (en) * | 2009-09-14 | 2011-03-17 | Jose Medina | Reality based training target trap |
| JP6862751B2 (en) * | 2016-10-14 | 2021-04-21 | 富士通株式会社 | Distance measuring device, distance measuring method and program |
-
2022
- 2022-04-19 CN CN202210410877.2A patent/CN114838632B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203216389U (en) * | 2013-04-10 | 2013-09-25 | 中国兵器工业第二0二研究所 | Alignment device applied to initial velocity measuring device of artillery projectile |
| CN205482632U (en) * | 2016-01-28 | 2016-08-17 | 晋西工业集团有限责任公司 | Stabilising arrangement state of flight spirit activity detection device |
| CN108592714A (en) * | 2018-03-01 | 2018-09-28 | 北京理工大学 | A kind of experimental rig for testing Fragment Velocities decaying |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114838632A (en) | 2022-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105676184B (en) | It is a kind of for rcs measurement when strange land calibration low scattering metallic support system | |
| US20200173162A1 (en) | Bolt calibrated angle mainstay for tower construction and method for use | |
| CN114838632B (en) | Adjustable broken piece speed measuring device | |
| CN112033832A (en) | Quality detection tool for assembly type building and use method thereof | |
| KR20210126931A (en) | Apparatus For Inspection The Straightness Of Lengthy Shaft | |
| CN203949781U (en) | Anti-float anchor rod loading test device | |
| KR101974071B1 (en) | Target Assembly for Penetration Test of Steel Plate | |
| US7669339B1 (en) | Fixture alignment method for antenna array foundations | |
| CN112782715B (en) | Rapid detection method and device for installation verticality of wind power generation tower | |
| CN209356430U (en) | A kind of high-precision probe clamping device for Sample location in neutron diffraction measurement | |
| CN210238467U (en) | Slab foundation bearing reference beam support | |
| CN215635845U (en) | Laser range finder fixing device for engineering cost | |
| CN206709757U (en) | Hydroelectric generating set rotor surveys circle device | |
| CN106196650B (en) | A kind of collector bracket moment of torsion frame erecting device and its installation, application method | |
| CN111879252A (en) | Online surveying and mapping detection device and method for storage tank body | |
| CN220230491U (en) | Elevation control device for photovoltaic pile foundation | |
| CN220792494U (en) | Shield station-moving measuring bracket | |
| CN219102607U (en) | Self-adaptive adjustment laser instrument | |
| CN221171653U (en) | Measuring device for geological exploration | |
| CN216523983U (en) | Fan tower section of thick bamboo straightness measuring device that hangs down | |
| CN217445561U (en) | Superconducting cavity positioning device | |
| CN213396796U (en) | Blast hole distribution instrument for open-air deep hole blasting | |
| CN219826725U (en) | Combined type water drill supporting and fixing device | |
| CN114777737B (en) | Detection tool | |
| CN220794239U (en) | Prism rough leveling device for shield construction measurement guiding system |
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 |