CN204461246U - Portable mensuration lift-off class fireworks product sets off the experimental provision of height and angle - Google Patents
Portable mensuration lift-off class fireworks product sets off the experimental provision of height and angle Download PDFInfo
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- CN204461246U CN204461246U CN201520075724.2U CN201520075724U CN204461246U CN 204461246 U CN204461246 U CN 204461246U CN 201520075724 U CN201520075724 U CN 201520075724U CN 204461246 U CN204461246 U CN 204461246U
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Abstract
The utility model discloses the experimental provision that a kind of portable mensuration lift-off class fireworks product sets off height and angle, comprise a connecting rod, 2 slide blocks being provided with line slideway on connecting rod top and being slidably matched with this line slideway, a slide block is provided with observation board, another slide block is provided with test board, observation board subscript is marked with positioning cross line, test board subscript is marked with altitude scale line, perpendicular to the horizontal line of this altitude scale line, and take altitude scale line and horizontal intersection point as at least two angle index lines on summit, described altitude scale line is between described angle index line, described observation board and test board are parallel to each other and all perpendicular to connecting rod, on described observation board, the intersection point of positioning cross line is right against altitude scale line and horizontal intersection point on test board, and horizontal line on observation board on the horizontal line segment of positioning cross line and test board is just right, the altitude scale line on observation board on longitudinal line segment of positioning cross line and test board is just right.
Description
Technical field
The utility model relates to the measurement mechanism of a kind of height and angle, is specifically related to the experimental provision that a kind of portable mensuration lift-off class fireworks product sets off height and angle.
Background technology
Fireworks and firecrackers product is because of the difference of chemical feeding quantity, and height when it is seted off and angle are all different.The mensuration fireworks firecracker firing height of existing open report and the device of angle few, be the utility model patent of CN203758387U just like notification number, disclose a kind of experimental rig measuring fireworks firecracker firing firing altitude and angle, comprise test platform, level meter and support, described test platform is fixed on support, level meter is fixed on test platform, also comprises test board, observation board, rule, angle indicator and laser pen; Described test board is parallel with observation board, and test board is vertically set on the front end of test platform and can moves vertically, and observation board is vertically fixed on the rear end of test platform; Middle before described test board arranges angle indicator, and the side of test board arranges rule; Middle before described observation board arranges laser pen.This utility model is by relatively fixing a test board and an observation board at a test platform, and naked eyes by the track of fireworks product on observation test plate, thus calculate firing altitude and the angle of fireworks product reality.But in this utility model scheme, the distance of test board and observation board is fixing, in observation station to launch point apart under constant condition, the firework launching height utilizing this device to observe and angular range are also corresponding fixing and limited.If need the fireworks kind of test a lot, particularly when have display shell, large-scale potted flower and ordinary consumption class fireworks be mixed in one piece test time, then device described in this utility model is just inapplicable; On the other hand, because test board is vertically stood on above test platform by high-strength magnet, very easily cause by external force affects test board to offset, thus bring error to height and goniometry; Moreover apparatus structure is comparatively complicated described in this utility model, mobile inconvenience, the field test that the condition that is unfavorable for is changeable.
Utility model content
This novel technical problem that will solve is to provide the experimental provision that a kind of portable mensuration lift-off class fireworks product sets off height and angle, this experimental provision goes for the mensuration of firing altitude when different classes of lift-off class fireworks product is seted off and angle, and structure is simple, is easy to carry.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
Portable mensuration lift-off class fireworks product sets off the experimental provision of height and angle, comprise a connecting rod, 2 slide blocks that the top of described connecting rod is provided with line slideway and is slidably matched with this line slideway, one of them slide block is provided with observation board, another slide block is provided with test board, described observation board subscript is marked with the positioning cross line for locating, described test board subscript is marked with altitude scale line, perpendicular to the horizontal line of described altitude scale line, and take altitude scale line and horizontal intersection point as at least two angle index lines on summit, described altitude scale line is between described angle index line, described observation board and test board are parallel to each other and all perpendicular to connecting rod, on described observation board, the intersection point of positioning cross line is right against altitude scale line and horizontal intersection point on test board, and horizontal line on observation board on the horizontal line segment of positioning cross line and test board is just right, the altitude scale line on observation board on longitudinal line segment of positioning cross line and test board is just right.
Observation board and test board are arranged on the slide block that is slidably matched with line slideway by the utility model, make distance between observation board and test board can free adjustment as required; Under the prerequisite that observation station is constant, the mensuration demand of firing altitude when different classes of lift-off class fireworks product is seted off and angle can be met; In addition, relative fixing owing to can realize both them by screw between slide block with line slideway, the phenomenon thus can avoided making because of External Force Acting the test board be fixed on slide block that skew occurs and cause test result generation deviation.
In order to show the distance between observation board and test board more intuitively, also making the distance that operating personnel can more conveniently determine when mobile test plate between test board and observation board simultaneously, rule can be set on the side of connecting rod.
Conveniently operating personnel to take this device when detecting, and preferably arrange handle in the bottom of connecting rod.
Compared with prior art, feature of the present utility model is:
1, observation board and test board are arranged on the slide block that is slidably matched with line slideway by the utility model, make distance between observation board and test board can free adjustment as required; Under the prerequisite that observation station is constant, the mensuration demand of firing altitude when different classes of lift-off class fireworks product is seted off and angle can be met; In addition, relative fixing owing to can realize both them by screw between slide block with line slideway, the phenomenon thus can avoided making because of External Force Acting the test board be fixed on slide block that skew occurs and cause test result generation deviation.
2, the structure of device described in the utility model is simple, and small volume, is convenient for carrying, can test height scope large, the field test that the condition that is applicable to is changeable.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of observation board in Fig. 1 illustrated embodiment;
Fig. 3 is the structural representation of test board in Fig. 1 illustrated embodiment;
Fig. 4 is measuring principle figure of the present utility model.
Number in the figure is:
1 connecting rod; 2 rules; 3 line slideways; 4 slide blocks; 5 observation boards; 5-1 positioning cross line; 6 test boards; 6-1 first angle index line; 6-2 second angle index line; 6-3 the 3rd angle graduation mark; 6-4 the 4th angle graduation mark; 6-5 altitude scale line; 6-6 horizontal line; 7 handles.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is the experimental provision that the utility model portable mensuration lift-off class fireworks product sets off height and angle, comprise a connecting rod 1, the bottom of described connecting rod 1 is provided with 2 handles 7, 2 slide blocks 4 being provided with line slideway 3 on the top of connecting rod 1 and being slidably matched with this line slideway 3, it is relative fixing that these 2 slide blocks 4 can realize between slide block 4 with line slideway 3 by screw, a slide block 4 is provided with observation board 5 wherein, another slide block 4 is provided with test board 6, described observation board 5 subscript is marked with the positioning cross line 5-1 (as shown in Figure 2) for locating, described test board 6 subscript is marked with an altitude scale line 6-5, perpendicular to the horizontal line 6-6 of this altitude scale line 6-5, and with four angle index lines that the intersection point of altitude scale line 6-5 and horizontal line 6-6 is summit, four described angle index lines distribute and respectively are the first angle index line 6-1 from left to right on test board 6, second angle index line 6-2, 3rd angle graduation mark 6-3, 4th angle graduation mark 6-4, described altitude scale line 6-5 is between the second angle index line 6-2 and the 3rd angle graduation mark 6-3, and the first described angle index line 6-1, second angle index line 6-2, 3rd angle graduation mark 6-3, 4th angle graduation mark 6-4 and altitude scale line 6-5 has an intersection point, this intersection point is positioned at the below of test board 6, when centered by altitude scale line 6-5 during line, the first described angle index line 6-1 and the second angle index line 6-2 is symmetrical with the 3rd angle graduation mark 6-3 and the 4th angle graduation mark 6-4 respectively, angle wherein between the second angle index line 6-2 and altitude scale line 6-5 is 22.5 °, and the angle between the first angle index line 6-1 and altitude scale line 6-5 is 45 ° (as shown in Figure 3), described observation board 5 is parallel to each other with test board 6 and all vertical with connecting rod 1, on described observation board 5, the intersection point of positioning cross line 5-1 is right against the intersection point of altitude scale line 6-5 and horizontal line 6-6 on test board 6, and horizontal line 6-6 on observation board 5 on the horizontal line segment of positioning cross line 5-1 and test board 6 is just right, the altitude scale line 6-5 on observation board 5 on longitudinal line segment of positioning cross line 5-1 and test board 6 is just right, the side of connecting rod 1 is provided with rule 2.
Measuring principle figure of the present utility model as shown in Figure 4, wherein h represents the firing altitude (cm) that observation board 5 is seen, H represents invention height (m) of fireworks product reality, S represents the distance (m) between ignition point to observation board 5, and y represents the distance (cm) of test board 6 and observation board 5.When the actual transmission height using the utility model to test when fireworks product is seted off, should calculate by following formula (1) in theory, but because S is greater than y widely, according to Similar Principle of Triangle, can calculate by following formula (2):
h/H＝y/(S-y) (1)
h/H＝y/S (2)
During concrete use, first by the observed range requirement of fireworks product to be measured, measure the distance between observation board 5 that fireworks product sets off place and device described in the utility model, then both hands keep steady experimental provision, eyes press close to observation board 5, adjusting device angle makes the emission port of the horizontal line segment of the positioning cross line 5-1 on observation board 5 and fireworks product on same horizontal plane, make longitudinal line segment of positioning cross line 5-1 overlapping with the altitude scale line 6-5 on test board 6 simultaneously, after the horizontal line segment of positioning cross line 5-1 is overlapping with the horizontal line 6-6 on test board 6, light the fireworks product that will detect, test board 6 altitude scale line 6-5 reads the firing altitude h of the fireworks product that will observe, the actual transmission height of fireworks product can be calculated by above-mentioned formula (2), by the angle that test board 6 is observed the emission angle of also observable fireworks product whether exceed relevant departments specifying.
Claims (3)
1. portable mensuration lift-off class fireworks product sets off the experimental provision of height and angle, comprise a connecting rod (1), it is characterized in that: 2 slide blocks (4) that the top of described connecting rod (1) is provided with line slideway (3) and is slidably matched with this line slideway (3), one of them slide block (4) is provided with observation board (5), another slide block (4) is provided with test board (6), described observation board (5) subscript is marked with the positioning cross line (5-1) for locating, described test board (6) subscript is marked with altitude scale line (6-5), perpendicular to the horizontal line (6-6) of described altitude scale line (6-5), and take the intersection point of altitude scale line (6-5) and horizontal line (6-6) as at least two angle index lines on summit, described altitude scale line (6-5) is between described angle index line, described observation board (5) and test board (6) are parallel to each other and all perpendicular to connecting rod (1), the intersection point of the upper positioning cross line (5-1) of described observation board (5) is right against the intersection point of the upper altitude scale line (6-5) of test board (6) and horizontal line (6-6), and the horizontal line segment of the upper positioning cross line (5-1) of observation board (5) is just right with the horizontal line (6-6) on test board (6), the altitude scale line (6-5) that observation board (5) is gone up on longitudinal line segment of positioning cross line (5-1) and test board (6) is just right.
2. portable mensuration lift-off class fireworks product according to claim 1 sets off the experimental provision of height and angle, it is characterized in that: the side of described connecting rod (1) is provided with rule (2).
3. portable mensuration lift-off class fireworks product according to claim 1 sets off the experimental provision of height and angle, it is characterized in that: the bottom of described connecting rod (1) is provided with handle (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520075724.2U CN204461246U (en) | 2015-02-03 | 2015-02-03 | Portable mensuration lift-off class fireworks product sets off the experimental provision of height and angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520075724.2U CN204461246U (en) | 2015-02-03 | 2015-02-03 | Portable mensuration lift-off class fireworks product sets off the experimental provision of height and angle |
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| Publication Number | Publication Date |
|---|---|
| CN204461246U true CN204461246U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520075724.2U Active CN204461246U (en) | 2015-02-03 | 2015-02-03 | Portable mensuration lift-off class fireworks product sets off the experimental provision of height and angle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120351A (en) * | 2018-02-05 | 2018-06-05 | 江西常驰实业有限公司 | A kind of pilot system for measuring fireworks firecracker firing firing altitude and angle |
| CN109827854A (en) * | 2019-02-22 | 2019-05-31 | 山东非金属材料研究所 | A kind of ballistic test device and point of impact test method |
-
2015
- 2015-02-03 CN CN201520075724.2U patent/CN204461246U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120351A (en) * | 2018-02-05 | 2018-06-05 | 江西常驰实业有限公司 | A kind of pilot system for measuring fireworks firecracker firing firing altitude and angle |
| CN109827854A (en) * | 2019-02-22 | 2019-05-31 | 山东非金属材料研究所 | A kind of ballistic test device and point of impact test method |
| CN109827854B (en) * | 2019-02-22 | 2021-11-19 | 山东非金属材料研究所 | Ballistic test device and impact point test method |
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