CN216562147U - Simulation test teaching aid for testing rocket model speed - Google Patents
Simulation test teaching aid for testing rocket model speed Download PDFInfo
- Publication number
- CN216562147U CN216562147U CN202220014300.5U CN202220014300U CN216562147U CN 216562147 U CN216562147 U CN 216562147U CN 202220014300 U CN202220014300 U CN 202220014300U CN 216562147 U CN216562147 U CN 216562147U
- Authority
- CN
- China
- Prior art keywords
- speed
- box body
- teaching aid
- speed detection
- simulation test
- 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
Images
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The application is a simulation test teaching aid for testing rocket model speed, which belongs to the field of test teaching aids and comprises a box body, wherein the box body is provided with an upper opening and a lower opening; the device comprises at least two speed detection pieces, a box body and a control device, wherein the two speed detection pieces are arranged in the box body at intervals up and down; the locking piece is connected between each speed detection piece and the box body, and the locking piece locks the speed detection pieces on the box body; thereby record the speed of rocket model in the position of a plurality of differences through above-mentioned scheme, and then obtain a plurality of speed sampling points to obtain the value of a plurality of accelerations, through the mode that directly changes the distance between two speed detection pieces on the box, not only can easily realize the space size that increases the speed sampling point, but also can not increase the setting of speed detection piece, this also reduces the cost preparation of experimental teaching aid to a certain extent.
Description
Technical Field
The utility model relates to the technical field of test teaching aids, in particular to a simulation test teaching aid for testing rocket model speed.
Background
The rocket speed test is one of core key tests of the rocket in the development process, and has a larger relation with the running state of the whole rocket and the attitude control in the air. The purpose of the speed test of the rocket is to verify the feasibility of design and the reliability of data and evaluate the dynamic performance of the whole rocket. In order to enable students to more intuitively understand how a running speed test of a rocket is carried out, various rocket speed test simulation test teaching aids are made in the prior art, but most of the existing simulation test teaching aids adopt a two-point sampling method, acceleration in the rocket running process can be obtained by measuring the speeds of two points in the rocket running process, and because the acceleration of the rocket is continuously changed in the flying process, the method for obtaining the flying acceleration of the rocket by using the fixed two-point speed values has inaccurate measured data and has little reference significance on the speed data of the rocket. At present, in order to increase the speed sampling space, the mode that a plurality of speed detection pieces are added on the box body is generally realized, and the mode not only needs to set up more speed detection pieces, but also increases the problem of the cost of the teaching aid itself.
SUMMERY OF THE UTILITY MODEL
The application is in order to solve current experimental teaching aid for testing rocket speed and adopt two point sampling method when the test mostly, the data of this kind of fixed two point sampling method test is not very accurate, because the acceleration of rocket in flight in-process is constantly changing, the mode itself that acquires the acceleration to fixed two point speed sampling leads to the data inaccuracy because the sampling space is too little, and present experimental teaching aid is generally the mode realization that adds the speed detection piece when acquireing a plurality of sampling points, this kind of mode not only need set up more speed detection pieces, and the problem of the cost of teaching aid itself has still been increased, design an analog test teaching aid for testing rocket model speed, its concrete technical scheme who adopts does:
a simulation test teaching aid for testing rocket model speed, comprising:
the box body is provided with an upper opening and a lower opening;
the device comprises a box body, at least two speed detection pieces, a speed detection unit and a control unit, wherein the two speed detection pieces are arranged in the box body at intervals from top to bottom;
the locking piece, the locking piece is connected between each speed detection piece and box, and the locking piece detects the piece locking in the box with speed.
Preferably, the locking piece includes a bolt and a nut, and the spout leads to the groove for rectangular shape, and rectangular shape leads to the groove and sets up along the upper and lower direction of box, and bolt one end is connected with speed detection spare, and the other end passes spout coupling nut.
Preferably, the sliding grooves are arranged in two numbers, each sliding groove is arranged along the upper direction and the lower direction of the box body, and the two sliding grooves are symmetrically arranged on the side face of the box body.
Preferably, the box body is provided with a graduated scale along the direction of the sliding groove corresponding to the position of each sliding groove.
Preferably, the speed detection part is a speed sensor, the speed sensors are four in number, the four speed sensors are divided into two sensor groups, the two sensor groups are arranged on the box body at intervals, each sensor group comprises two speed sensors, and the two speed sensors are correspondingly movably arranged on the sliding groove.
Preferably, the box body is a square plastic shell.
Preferably, the base is connected with the box below, and the base is the frame body structure, and the base can be dismantled and connect in the box.
Preferably, the frame body includes four stands, and the bottom surface of box is equipped with four connecting cylinders, and the position that the box corresponds each connecting cylinder is equipped with the constant head tank, and the lateral wall of each connecting cylinder has the connecting hole, and its length direction of each stand perpendicular has the screw hole, and when the top of each stand corresponds to pass each connecting cylinder and extend the constant head tank, the screw hole and the connecting hole alignment of stand, connecting hole and threaded hole insert threaded connection spare, and the bottom of four stands has the connecting rod end to end in proper order.
The utility model discloses a set up two at least speed detection pieces on the box, and through setting up speed detection piece slidable on the box, thereby make the distance between two speed detection pieces adjustable, and then record the speed of rocket model in the position of a plurality of differences, and then obtain a plurality of speed sampling points, thereby obtain the value of a plurality of accelerations, through the mode that directly changes the distance between two speed detection pieces on the box, not only can easily realize the space size who increases the speed sampling point, but also can not increase the setting of speed detection piece, this also has reduced the cost preparation of experimental teaching aid to a certain extent.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a left side view of the present invention.
In the figure, 1, a box body, 2, a lower opening, 3, a sliding groove, 4, a speed detection piece, 5, a locking piece, 501, a bolt, 502, a nut, 6, a positioning groove, 7, a connecting hole, 8, a threaded connecting piece, 9, a connecting cylinder, 10, a threaded hole, 11, an upright post, 12, a connecting rod, 13, an upper opening, 14 and a graduated scale.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.
In addition, in the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1-3, a simulation test teaching aid for testing rocket model speed comprises a box body 1, a locking piece 5 and at least two speed detection pieces 4. The box body 1 is provided with an upper opening 13 and a lower opening 2, the upper opening 13, the lower opening 2 and the interior of the box body 1 form a passage for the rocket model to pass through, the rocket model is launched from top to bottom and passes through the passage, and the speed test of the rocket model is completed in the process of passing through the box body 1. The specific speed detection is that at least two speed detection pieces 4 are arranged on the box body 1, in one embodiment, if two speed detection pieces 4 are arranged, the two speed detection pieces 4 are arranged on the box body 1 at intervals up and down, a sliding groove 3 is arranged on the side surface of the box body 1 along the up-down direction, and the two speed detection pieces 4 are arranged on the sliding groove 3 at intervals up and down in a sliding manner. The speed detecting members 4 are fixed to a certain position in the slide groove 3 by a lock member 5, and the lock member 5 is connected between each of the speed detecting members 4 and the casing 1.
During testing, firstly, the two speed detection pieces 4 are fixed on the box body 1, then the rocket model is launched by utilizing the rocket launching model, so that the rocket model passes through the box body 1, when the rocket passes through the lower speed detection piece 4, the lower speed detection piece 4 detects a speed value, when the rocket passes through the upper speed detection piece 4, the upper speed detection piece 4 detects a speed value again, and an acceleration of the rocket model is obtained through the two speed values and the time of the rocket model passing through the two speed detection pieces 4. In order to more accurately test the change of the acceleration launched by the rocket model or the running condition of the rocket model, the positions of the two speed detection pieces 4 are changed, and an acceleration value is obtained again, specifically, the position of the speed detection piece 4 on the box body 1 is changed, so that the distance between the two speed detection pieces 4 is changed, two different speed values are obtained, and then an acceleration value is obtained again. The above-mentioned operation of circulation alright obtain a plurality of acceleration values, increased the functioning speed test sampling space of rocket model, still can not increase the setting of speed detection piece 4 simultaneously, practiced thrift the cost of whole experimental teaching aid.
Further, to the structure of above-mentioned locking piece 5, it is concrete to include a bolt 501 and nut 502, bolt 501 here is the screw rod form that both ends do not have the nut, spout 3 is rectangular shape and leads to the groove, set up to the purpose of rectangular shape and lead to the groove in order to realize speed detector 4 adjustment and locking in upper and lower direction optional position, above-mentioned rectangular shape leads to the groove and sets up along the upper and lower direction of box 1, match rocket model to the mode of launching down and up, bolt 501 one end and speed detector 4 welding, the other end passes spout 3 coupling nut 502. When the position of the speed detection piece 4 needs to be adjusted, the nut 502 is loosened, the position of the speed detection piece 4 is manually adjusted by a person, and when the position is adjusted to a proper position, the speed detection piece 4 is fixed at the position by being screwed by the nut 502.
Further, in one embodiment, two sliding grooves 3 are provided, each sliding groove 3 is provided along the vertical direction of the box body 1, and the two sliding grooves 3 are symmetrically provided on the side surface of the box body 1. The purpose of setting up two spouts 3 is in order to let two speed detection piece 4 set up on two sides of the left and right sides of box 1, and speed detection piece 4 sets up box 1 in the balanced box of the left and right sides face of box 1, is unlikely to cause the phenomenon that box 1 inclined to one side, avoids it to produce easily when placing and emptys or inclines.
Further, for the distance between two above-mentioned speed detection pieces 4 of accurate adjustment, accomplish that the distance heart between two speed detection pieces 4 has a number, the position that box 1 corresponds each spout 3 is equipped with scale 14 along the direction of spout 3.
Furthermore, the speed detecting member 4 is a speed sensor, in this embodiment, in order to prevent the failure of the test data due to the failure of the two speed sensors, the speed sensors are four, the four speed sensors are divided into two sensor groups, the two sensor groups are vertically and alternately arranged on the box body 1, each sensor group includes two speed sensors, and the two speed sensors are correspondingly movably arranged on the sliding chute 3. Therefore, when one of the two speed sensors above fails, the other speed sensor can also achieve the purpose of detection, and detection failure is avoided.
Further, above-mentioned box 1 is square plastic housing, and plastic housing can reduce the weight of whole experimental teaching aid on the one hand, and on the other hand is because the material is slim and graceful, consequently, this box 1 still makes things convenient for the dismouting, saves dismouting personnel's physical power.
Further, 1 below of box is connected with the base, and the base setting is in rocket model emitter's top, and it passes through for the rocket model to supply with the cooperation of rocket model emitter, and the base is the frame body structure, and the connection can be dismantled in the below of box 1 to the base, can dismantle the setting with box 1 and be convenient for this experimental teaching aid on the way transport and transport, when transportation and transport, can dismantle base and box 1 so that transport and transport.
Further, in an embodiment, the structure of the frame body specifically includes four upright posts 11, the bottom surface of the box body 1 is provided with four connecting cylinders 9, the cross section of each connecting cylinder 9 is similar to the shape of the upright post 11 and is a quadrangle, the position of the box body 1 corresponding to each connecting cylinder 9 is provided with a positioning groove 6, the positioning groove 6 can prevent each upright post 11 from rotating relative to the box body 1 or rotating relative to the connecting cylinder 9, and the connection firmness is improved. In addition, the side wall of each connecting cylinder 9 is also provided with a connecting hole 7, each upright post 11 is provided with a threaded hole 10 perpendicular to the length direction of the upright post, the top end of each upright post 11 correspondingly penetrates through each connecting cylinder 9 and extends to the positioning groove 6, the threaded holes 10 of the upright posts 11 are aligned with the connecting holes 7, threaded connecting pieces 8 are inserted into the connecting holes 7 and the threaded holes 10, the threaded connecting pieces 8 can be screws or bolts, the bottom ends of the four upright posts 11 are sequentially connected with connecting rods 12 end to end, the connecting rods 12 are connected end to form a quadrangle, and the connecting rods 12 are used for integrating the four upright posts 11 to improve the connection firmness and the supporting strength of the connecting rods 12.
The above-described embodiments should not be construed as limiting the scope of the utility model, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (8)
1. A simulation test teaching aid for testing rocket model speed, comprising:
a tank having an upper opening and a lower opening;
the two speed detection pieces are arranged on the box body at intervals up and down, a sliding groove is formed in the box body along the up-down direction, and each speed detection piece is arranged in the sliding groove in a sliding mode;
and the locking piece is connected between each speed detection piece and the box body, and locks the speed detection pieces on the box body.
2. A simulation test teaching aid for testing rocket model speed according to claim 1, wherein the locking member comprises a bolt and a nut, the sliding groove is an elongated through groove, the elongated through groove is arranged along the vertical direction of the box body, one end of the bolt is connected with the speed detection member, and the other end of the bolt penetrates through the sliding groove to be connected with the nut.
3. A simulation test teaching aid for testing rocket model velocity according to claim 2, wherein there are two sliding grooves, each sliding groove is arranged along the up-down direction of the box body, and the two sliding grooves are symmetrically arranged on the side of the box body.
4. A simulation test teaching aid for testing rocket model velocity according to claim 3, wherein the box body is provided with a graduated scale along the direction of the sliding groove corresponding to the position of each sliding groove.
5. A simulation test teaching aid for testing rocket model speed according to claim 1, 2, 3 or 4, wherein the speed detecting member is a speed sensor, the speed sensors are four, the four speed sensors are divided into two sensor groups, the two sensor groups are arranged in the box body at intervals up and down, each sensor group comprises two speed sensors, and the two speed sensors are correspondingly movably arranged in the sliding chute.
6. A simulation test teaching aid for testing rocket model velocity as claimed in claim 1, wherein the case is a square plastic case.
7. A simulation test teaching aid for testing rocket model velocity according to claim 6, wherein a base is connected below the case body, the base is of a frame body structure, and the base is detachably connected to the case body.
8. A simulation test teaching aid for testing rocket model speed according to claim 7, wherein the frame body comprises four upright posts, the bottom surface of the box body is provided with four connecting cylinders, the box body is provided with positioning grooves corresponding to the positions of the connecting cylinders, the side wall of each connecting cylinder is provided with a connecting hole, each upright post is provided with a threaded hole perpendicular to the length direction of the upright post, when the top end of each upright post correspondingly penetrates through each connecting cylinder and extends to the positioning grooves, the threaded hole of the upright post is aligned with the connecting hole, a threaded connecting piece is inserted into the connecting hole and the threaded hole, and the bottom ends of the four upright posts are sequentially connected with connecting rods end to end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220014300.5U CN216562147U (en) | 2022-01-04 | 2022-01-04 | Simulation test teaching aid for testing rocket model speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220014300.5U CN216562147U (en) | 2022-01-04 | 2022-01-04 | Simulation test teaching aid for testing rocket model speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216562147U true CN216562147U (en) | 2022-05-17 |
Family
ID=81559817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220014300.5U Active CN216562147U (en) | 2022-01-04 | 2022-01-04 | Simulation test teaching aid for testing rocket model speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216562147U (en) |
-
2022
- 2022-01-04 CN CN202220014300.5U patent/CN216562147U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10801909B2 (en) | Device for measuring and adjusting inertia of test model of offshore structure and method for using the same | |
| CN206132036U (en) | Hole awl measuring device | |
| CN203274660U (en) | Special-purpose measuring tool for measuring axis part keyway symmetry degree | |
| CN216562147U (en) | Simulation test teaching aid for testing rocket model speed | |
| CN107907660A (en) | Essence built in one kind controls the prefabricated experimental provision of variable fissure rock simulation | |
| CN220472497U (en) | Device for detecting displacement of oil filling plug of aviation oil well | |
| CN111175531B (en) | Channel space wind speed detection system and application method thereof | |
| CN205981686U (en) | Wheel hub bearing rigid test machine | |
| CN109916276B (en) | High-pressure rotor inner hole concentricity measuring instrument | |
| CN208736651U (en) | A kind of three-dimensional stern flow-field test device | |
| CN212060310U (en) | Flow velocity meter for water transport engineering measurement | |
| CN111547201B (en) | Ship model heeling locking device and moment measuring method | |
| CN207528153U (en) | A kind of tooling for measuring nut countersunk head | |
| CN109974557A (en) | Rotatable general measuring instrument and measurement method | |
| CN209605747U (en) | The concentric measuring instrument of high pressure rotor inner hole | |
| CN208953200U (en) | A kind of grinding wheel mass balance detection device | |
| CN210513111U (en) | A slope monitoring devices for wall body in foundation ditch | |
| CN208419966U (en) | A kind of auxiliary locating tool for electric pole installation | |
| CN211651588U (en) | Automatic rotating device for high formwork settlement monitoring laser point cloud based on unmanned aerial vehicle | |
| CN114993162A (en) | Device and method for measuring circumferential strain and axial stress of grouting material | |
| CN209978797U (en) | Die carrier board inclined hole angle detection device | |
| CN207180656U (en) | One kind radially converges deformation measurement device for tunnel model test | |
| CN218329662U (en) | Detection apparatus for balancing weight | |
| CN109520397A (en) | A kind of concentricity detection frock of part | |
| CN214150778U (en) | Mining electronic wind meter support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |