CN203644273U - Trajectory prediction launching rack - Google Patents
Trajectory prediction launching rack Download PDFInfo
- Publication number
- CN203644273U CN203644273U CN201320854432.XU CN201320854432U CN203644273U CN 203644273 U CN203644273 U CN 203644273U CN 201320854432 U CN201320854432 U CN 201320854432U CN 203644273 U CN203644273 U CN 203644273U
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- fixed cell
- launching
- cell
- baffle plate
- transmitting
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Abstract
The utility model discloses a trajectory prediction launching rack. A horizontal fixing unit and a vertical fixing unit are in 90-degree connection through a fixing unit connecting member; in a launching unit, symmetrical sliding grooves are arranged on vertical plates at two sides of a launching groove body, two ends of a launching object baffle plate are clamped inside the sliding grooves and are limited through a hand-pinching sliding block, one end of a compression spring is connected with the launching object baffle plate through a baffle plate and spring connecting body, the other end is connected with a closed end of the launching groove body, the closed end of the launching groove body is rotatably connected with the fixing unit connecting member, an angle of rotation is limited by the horizontal fixing unit and the vertical fixing unit, two ends of an arc-shaped angle ruler are fixed to side edges of the horizontal fixing unit and the vertical fixing unit through screws, the arc-shaped angle ruler is provide with a sliding groove, and an angle ruler fixing rotary knob penetrates through the sliding groove on the arc-shaped angle ruler and a groove on the launching grove body. The trajectory prediction launching rack can show physical knowledge of parabolic trajectory motion, kinetic energy, and the theorem of momentum through vivid demonstration.
Description
Technical field
The utility model belongs to teaching auxiliary appliance field, particularly a kind of trajectory predictions launcher.
Background technology
At present quality-oriented education and interest education are all being advocated in all parts of the country, how to make uninteresting learning process become vivid and interesting taste more to have become the research topic of current educational circles main flow.
Existing Interesting teaching aid design is for primary school mostly, and the learning content in middle school is more uninteresting, and wanting to motivate students' interest in learning just needs the Interesting teaching aid of aided education, and still blank for the Interesting teaching aid of middle school's learning content.Particularly physics teaching, because physical knowledge is more abstract, understanding is got up more difficult, and how by vivid demonstration, abstract physical knowledge to be presented to student is current urgent need to solve the problem.
Utility model content
The purpose of this utility model is to provide one parabolic path can be moved, and the trajectory predictions launcher that shows by vivid demonstration of the physical knowledge such as kinetic energy, theorem of momentum.
The technical solution that realizes the utility model object is:
A kind of trajectory predictions launcher, comprises horizontal fixed cell, vertical fixed cell, arc bevel protractor, fixed cell web member and transmitter unit, horizontal fixed cell is 90 degree with vertical fixed cell by fixed cell web member and is connected, transmitter unit comprises that launching cell body, transmitting chute, emitting substance baffle plate, baffle plate spring connector, Compress Spring and hand pinches slide block, transmitting cell body is the groove of end opening one end sealing, in the perpendicular version in groove both sides, have symmetrical transmitting chute, the two ends of emitting substance baffle plate are stuck in transmitting chute, and it is spacing to pinch slide block by hand, one end of Compress Spring is connected with emitting substance baffle plate by baffle plate spring connector, the other end is connected with the blind end of transmitting cell body, blind end and the fixed cell web member of transmitting cell body are rotationally connected, the angle of rotating is spacing with vertical fixed cell by horizontal fixed cell, the two ends of arc bevel protractor are fixed by screws in the side of horizontal fixed cell and vertical fixed cell, on arc bevel protractor, have chute, bevel protractor fixed knob is through the groove on the chute on arc bevel protractor and transmitting cell body, wherein, horizontal fixed cell, vertical fixed cell and arc bevel protractor are provided with scale.
The utility model compared with prior art, its remarkable advantage:
The utility model can, by abstract physical principle visualization, can excite the learning interest of student to physical knowledge as middle school student's didactical doll greatly, and the utility model is because simple in structure, easy processing, cost are low, is therefore convenient to promote.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is use demonstration schematic diagram of the present utility model.
Embodiment
In conjunction with Fig. 1, a kind of trajectory predictions launcher of the utility model, comprises horizontal fixed cell 1, vertical fixed cell 2, arc bevel protractor 3, fixed cell web member 4 and transmitter unit, horizontal fixed cell 1 is 90 degree with vertical fixed cell 2 by fixed cell web member 4 and is connected, transmitter unit comprises that launching cell body 5, transmitting chute 6, emitting substance baffle plate 7, baffle plate spring connector 8, Compress Spring 9 and hand pinches slide block 10, transmitting cell body 5 is the groove of end opening one end sealing, in the perpendicular version in groove both sides, have symmetrical transmitting chute 6, the two ends of emitting substance baffle plate 7 are stuck in transmitting chute 6, and it is spacing to pinch slide block 10 by hand, one end of Compress Spring 9 is connected with emitting substance baffle plate 7 by baffle plate spring connector 8, the other end is connected with the blind end of transmitting cell body 5, blind end and the fixed cell web member 4 of transmitting cell body 5 are rotationally connected, the angle of rotating is spacing with vertical fixed cell 2 by horizontal fixed cell 1, the two ends of arc bevel protractor 3 are fixed by screws in the side of horizontal fixed cell 1 and vertical fixed cell 2, on arc bevel protractor 3, have chute, bevel protractor fixed knob 11 is through the groove on the chute on arc bevel protractor 3 and transmitting cell body 5, wherein, horizontal fixed cell 1, vertical fixed cell 2 and arc bevel protractor 3 are provided with scale.
The blind end of transmitting cell body 5 is rotationally connected with fixed cell web member 4 by hinge 12 and rotation axis 13.
Horizontal fixed cell 1 is provided with fixed orifice 14 with on vertical fixed cell 2.
The accurate heart of cross is set on bevel protractor fixed knob 11.
Design concept of the present utility model:
The trajectory predictions launcher of the utility model design, throughput compound body launches the horizontal and vertical catapulting distance of parabolic path design conditions prediction projectile.
Meet and calculate object and launch parabolical condition and be: horizontal range, vertical range, launch slide rail and horizontal direction inclination angle, projectile quality, spring corresponding coefficient (from the physical knowledge such as kinetic energy, theorem of momentum angle), projectile is selected by user oneself, estimate its quality and use other known conditions to apply in a flexible way, the ejection trjectory of prediction projectile.
Using method of the present utility model:
In conjunction with Fig. 2, projectile is positioned over before emitting substance baffle plate 7, before trajectory predictions launcher, be provided with target or other object is shot object as projectile, fixed orifice 14 on horizontal fixed cell 1 can be used as the length of the horizontal fixed cell of fixed orifice of fixing target when inadequate, can add horizontal fixed cell.
Can determine the horizontal range of target and launching cradle by horizontal fixed cell 1, by bevel protractor fixed knob 11, transmitting cell body 5 and the angle of arc bevel protractor 3 be fixed.
Pinch slide block 10 by slip hand and make Compress Spring 9 produce deformation, roughly calculate by Compress Spring 9 parameters the elastic potential energy that Compress Spring 9 has.
Can roughly determine the distance of the relative X of projectile, Y-axis by the accurate heart of cross of bevel protractor fixed knob 11.
By above operation steps, directly or indirectly obtain the condition that projectile ejection trjectory and drop point calculate, thereby calculate projectile track and drop point, thereby, shoot accurately the target in trajectory predictions launcher front as far as possible.
Claims (4)
1. a trajectory predictions launcher, is characterized in that: comprise horizontal fixed cell (1), vertical fixed cell (2), arc bevel protractor (3), fixed cell web member (4) and transmitter unit, horizontal fixed cell (1) is 90 degree with vertical fixed cell (2) by fixed cell web member (4) and is connected, transmitter unit comprises that launching cell body (5), transmitting chute (6), emitting substance baffle plate (7), baffle plate spring connector (8), Compress Spring (9) and hand pinches slide block (10), transmitting cell body (5) is the groove of end opening one end sealing, in the perpendicular version in groove both sides, have symmetrical transmitting chute (6), the two ends of emitting substance baffle plate (7) are stuck in transmitting chute (6), and it is spacing to pinch slide block (10) by hand, one end of Compress Spring (9) is connected with emitting substance baffle plate (7) by baffle plate spring connector (8), the other end is connected with the blind end of transmitting cell body (5), blind end and the fixed cell web member (4) of transmitting cell body (5) are rotationally connected, the angle of rotating is spacing with vertical fixed cell (2) by horizontal fixed cell (1), the two ends of arc bevel protractor (3) are fixed by screws in the side of horizontal fixed cell (1) and vertical fixed cell (2), arc bevel protractor has chute on (3), bevel protractor fixed knob (11) is through the groove on the chute on arc bevel protractor (3) and transmitting cell body (5), wherein, horizontal fixed cell (1), vertical fixed cell (2) and arc bevel protractor (3) are provided with scale.
2. a kind of trajectory predictions launcher according to claim 1, is characterized in that: the blind end of described transmitting cell body (5) is rotationally connected with fixed cell web member (4) by hinge (12) and rotation axis (13).
3. a kind of trajectory predictions launcher according to claim 1, is characterized in that: described horizontal fixed cell (1) is provided with fixed orifice (14) with on vertical fixed cell (2).
4. a kind of trajectory predictions launcher according to claim 1, is characterized in that: on described bevel protractor fixed knob (11), the accurate heart of cross is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320854432.XU CN203644273U (en) | 2013-12-23 | 2013-12-23 | Trajectory prediction launching rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320854432.XU CN203644273U (en) | 2013-12-23 | 2013-12-23 | Trajectory prediction launching rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203644273U true CN203644273U (en) | 2014-06-11 |
Family
ID=50875501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320854432.XU Expired - Fee Related CN203644273U (en) | 2013-12-23 | 2013-12-23 | Trajectory prediction launching rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203644273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109003515A (en) * | 2018-08-07 | 2018-12-14 | 吴畅 | A kind of demonstration instrument for hydraulic pressure reflecting experimental |
-
2013
- 2013-12-23 CN CN201320854432.XU patent/CN203644273U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109003515A (en) * | 2018-08-07 | 2018-12-14 | 吴畅 | A kind of demonstration instrument for hydraulic pressure reflecting experimental |
| CN109003515B (en) * | 2018-08-07 | 2020-10-09 | 吴畅 | Demonstration instrument for water pressure reflection experiment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20151223 |
|
| EXPY | Termination of patent right or utility model |