CN211087669U - Practical teaching aid for gravitational potential energy courses of vocational education - Google Patents
Practical teaching aid for gravitational potential energy courses of vocational education Download PDFInfo
- Publication number
- CN211087669U CN211087669U CN201921216179.9U CN201921216179U CN211087669U CN 211087669 U CN211087669 U CN 211087669U CN 201921216179 U CN201921216179 U CN 201921216179U CN 211087669 U CN211087669 U CN 211087669U
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- teaching aid
- fixed
- box body
- vocational education
- practical teaching
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Abstract
The utility model discloses a practical teaching aid for vocational education gravitational potential energy course, the power distribution box comprises a box body, the front and the back mounted of box have a baffle, two the both ends at baffle top are fixed with first pivot, two swing joint has the apron between the top of baffle, apron and first pivot sliding connection, first spout has been seted up at the both ends of the inside bottom of box, sliding connection has the slider in the first spout, the top of slider is rotated and is linked there is the connecting rod, the pneumatic cylinder is installed to the inside bottom of box. The utility model discloses conveniently observe the variable in concrete data and the convenient control experiment, can combine potential energy teaching and kinetic energy teaching to improve the teaching effect, convenient transport is fit for multiple teaching place.
Description
Technical Field
The utility model relates to a teaching aid technical field especially relates to a practical teaching aid that is used for occupational education gravitational potential energy course.
Background
Gravitational potential energy is the energy that an object possesses due to the action of gravity, and for gravitational potential energy, the magnitude is determined by the relative positions of the earth and the object on the ground. The larger the mass of the object is, the higher the relative position is, and the more work is done, so that the gravitational potential energy of the object is increased.
Present teaching in-process, the teacher combines potential energy of gravity and kinetic energy to carry out more audio-visual teaching mostly, and the little teaching aid that uses during the teaching is more, and the storage is more for the dispersion, if the disappearance then influences the teaching progress to current teaching aid is mostly fixed monolithic structure, has restricted the teaching place, and the transport is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a practical teaching aid for the gravitational potential energy course of the vocational education.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A practical teaching aid for an occupational education gravitational potential energy course comprises a box body, wherein baffles are installed on the front surface and the back surface of the box body, a first rotating shaft is fixed at two ends of the top of each baffle, a cover plate is movably connected between the tops of the two baffles, the cover plate is in sliding connection with the first rotating shaft, first sliding grooves are formed in two ends of the bottom inside the box body, sliding blocks are connected in the first sliding grooves in a sliding mode, connecting rods are rotatably connected to the tops of the sliding blocks, a hydraulic cylinder is installed at the bottom inside the box body, a mounting plate is installed at the top of a piston rod of the hydraulic cylinder and is in sliding connection with the box body, lugs are fixed at two ends of the bottom of the mounting plate, the bottom of each lug is rotatably connected with the corresponding connecting rod, a fixing plate is fixed at the top of the mounting plate, two install the second pivot between the first mount pad, the knob is installed to one side of first mount pad, the knob is with the one end fixed connection of second pivot, the fixed second mount pad that has cup jointed in the second pivot, the side of second mount pad is fixed with the fly leaf.
Preferably, the landing leg is installed to the bottom of box, the quantity of landing leg is four, the gyro wheel is installed to the bottom of landing leg, install the service brake on the gyro wheel.
Preferably, a storage box is arranged at the bottom of the box body.
Preferably, the surface of the movable plate is provided with three second sliding grooves.
Preferably, the surface of the fixing plate is provided with three third sliding grooves.
Preferably, the side of the movable plate is provided with scale marks, the side of the fixed plate is provided with scale marks, and one side of the first mounting seat close to the knob is provided with scale marks.
Compared with the prior art, the beneficial effects of the utility model are that:
In the utility model, the device is pushed to a teaching point through the roller, the roller is fixed through a foot brake, thereby the device is kept stable, the cover plate slides to the side, when the distance between the two cover plates is farthest, the cover plate rotates around a first rotating shaft, the cover plate is contacted with the side surface of a box body, a hydraulic cylinder is started, a piston rod of the hydraulic cylinder drives a mounting plate to move upwards, the mounting plate drives a lug to move, the lug drives a connecting rod to move, the connecting rod drives a sliding block to slide in a first sliding groove, when a fixed plate on a mounting seat is level with the top of the box body, the hydraulic cylinder is closed, the device is more stable through the combined action of the lug, the connecting rod and the sliding block, a rotary knob adjusts the included angle between the fixed plate and a movable plate, experimental articles are taken from a storage box and are put into a second sliding groove for testing, the height of, article slide to the third spout from the second spout, observe the scale on the fixed plate and learn experimental article and the displacement distance in the third spout again, conveniently carry out the experiment of potential energy and kinetic energy simultaneously, the convenient contrast experiment of multiunit second spout and third spout, the device uses in a flexible way, is convenient for observe and control variable, improves teaching efficiency, convenient transport.
Drawings
FIG. 1 is a schematic diagram of a practical teaching aid for use in potential gravitational energy lessons of vocational education in use according to the present invention;
FIG. 2 is a schematic diagram of the utility model for gravitational potential energy course of vocational education during placement;
FIG. 3 is a schematic view of the installation of a fixing plate of the practical teaching aid for the gravitational potential energy course of vocational education provided by the present invention;
Figure 4 is a side view of the utility model provides a practical teaching aid for vocational education gravitational potential energy course.
In the figure: the brake device comprises a box body 1, a baffle 2, supporting legs 3, rollers 4, a foot brake 5, a storage box 6, a hydraulic cylinder 7, a first sliding groove 8, a sliding block 9, a connecting rod 10, a convex block 11, a mounting plate 12, a first rotating shaft 13, a cover plate 14, a first mounting seat 15, a second rotating shaft 16, a second mounting seat 17, a movable plate 18, a second sliding groove 19, a fixed plate 20, a third sliding groove 21 and a knob 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a practical teaching aid for the gravitational potential energy course of vocational education comprises a box body 1, baffles 2 are installed on the front side and the back side of the box body 1, first rotating shafts 13 are fixed at the two ends of the tops of the two baffles 2, a cover plate 14 is movably connected between the tops of the two baffles 2, the cover plate 14 is in sliding connection with the first rotating shafts 13, first chutes 8 are formed at the two ends of the bottom inside the box body 1, sliders 9 are connected in the first chutes 8 in a sliding manner, connecting rods 10 are rotatably connected to the tops of the sliders 9, hydraulic cylinders 7 are installed at the bottoms inside the box body 1, mounting plates 12 are installed at the tops of piston rods of the hydraulic cylinders 7, the mounting plates 12 are in sliding connection with the box body 1, lugs 11 are fixed at the two ends of the bottoms of the mounting plates 12, the bottoms of the lugs 11 are rotatably connected with the connecting rods 10, a second rotating shaft 16 is installed between the two first installation bases 15, a knob 22 is installed on one side of each first installation base 15, the knob 22 is fixedly connected with one end of the second rotating shaft 16, the second installation base 17 is fixedly sleeved on the second rotating shaft 16, and a movable plate 18 is fixed on the side surface of the second installation base 17.
Wherein, landing leg 3 is installed to the bottom of box 1, and the quantity of landing leg 3 is four, and gyro wheel 4 is installed to the bottom of landing leg 3, installs the service brake on the gyro wheel 4.
Wherein, the bottom of the box body 1 is provided with a storage box 6.
The surface of the movable plate 18 is provided with three second sliding grooves 19, and the number of the second sliding grooves 19 is three.
The surface of the fixing plate 20 is provided with three third sliding grooves 21, and the number of the third sliding grooves 21 is three.
Wherein, the side of the movable plate 18 is provided with scale marks, the side of the fixed plate 20 is provided with scale marks, and one side of the first mounting seat 15 close to the knob 22 is provided with scale marks.
The working principle is as follows: the device is pushed to a teaching point through a roller 4, the roller 4 is fixed through a foot brake 5, so that the device is kept stable, a cover plate 14 is slid towards the side, when the distance between the two cover plates 14 is farthest, the cover plate 14 is rotated around a first rotating shaft 13 to enable the cover plate 14 to be contacted with the side of a box body 1, a hydraulic cylinder 7 is started, a piston rod of the hydraulic cylinder 7 drives a mounting plate 12 to move upwards, the mounting plate 7 drives a lug 11 to move, the lug 11 drives a connecting rod 10 to move, the connecting rod 10 moves to drive a sliding block 9 to slide in a first sliding groove 8, when a fixed plate 20 on a mounting seat 12 is level with the top of the box body 1, the hydraulic cylinder 7 is closed, the device is more stable through the combined action of the lug 12, the connecting rod 10 and the sliding block 9, a knob 22 is rotated to adjust the included angle between the fixed plate 20 and a movable plate 18, an experimental article is taken from a storage box, the speed of experimental article landing is controlled to adjust knob 22, and article slide to third spout 21 from second spout 19, observe the scale on the fixed plate 20 and learn experimental article displacement distance in third spout 21 again, conveniently carry out the experiment of potential energy and kinetic energy simultaneously, and multiunit second spout 19 and the convenient contrast experiment of third spout 21 are used in the device in a flexible way, are convenient for observe and control variable, improve teaching efficiency, convenient transport.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A practical teaching aid for vocational education gravitational potential energy courses comprises a box body (1) and is characterized in that baffles (2) are installed on the front side and the back side of the box body (1), two ends of the tops of the baffles (2) are fixedly provided with first rotating shafts (13), two cover plates (14) are movably connected between the tops of the baffles (2), the cover plates (14) are in sliding connection with the first rotating shafts (13), first sliding chutes (8) are formed in the two ends of the bottom inside the box body (1), sliding blocks (9) are connected in the first sliding chutes (8), connecting rods (10) are rotatably connected at the tops of the sliding blocks (9), hydraulic cylinders (7) are installed at the bottoms inside the box body (1), mounting plates (12) are installed at the tops of piston rods of the hydraulic cylinders (7), and the mounting plates (12) are in sliding connection with the box body (1), the both ends of the bottom of mounting panel (12) are fixed with lug (11), the bottom and connecting rod (10) of lug (11) are rotated and are connected, the top of mounting panel (12) is fixed with fixed plate (20), the both ends of the side of fixed plate (20) are fixed with first mount pad (15), two install second pivot (16) between first mount pad (15), knob (22) are installed to one side of first mount pad (15), the one end fixed connection of knob (22) and second pivot (16), second mount pad (17) have been gone up to fixed the cup jointing in second pivot (16), the side of second mount pad (17) is fixed with fly leaf (18).
2. The practical teaching aid for the potential gravity energy course of vocational education is characterized in that, landing legs (3) are installed to the bottom of box (1), the quantity of landing legs (3) is four, gyro wheel (4) are installed to the bottom of landing legs (3), install the service brake on gyro wheel (4).
3. A practical teaching aid for use in the potential gravitational energy course of vocational education according to claim 1, characterized in that the bottom of the box (1) is provided with a storage tank (6).
4. The practical teaching aid for the potential gravitational energy course of vocational education according to claim 1, wherein the surface of the movable plate (18) is provided with three second chutes (19), and the number of the second chutes (19) is three.
5. The practical teaching aid for the potential gravitational energy course of vocational education according to claim 1, wherein the surface of the fixing plate (20) is provided with three third sliding grooves (21), and the number of the third sliding grooves (21) is three.
6. A practical teaching aid for use in the gravitational potential energy course of vocational education according to claim 1, characterized in that the side of the movable plate (18) is provided with scale marks, the side of the fixed plate (20) is provided with scale marks, and the side of the first mounting seat (15) near the knob (22) is provided with scale marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921216179.9U CN211087669U (en) | 2019-07-31 | 2019-07-31 | Practical teaching aid for gravitational potential energy courses of vocational education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921216179.9U CN211087669U (en) | 2019-07-31 | 2019-07-31 | Practical teaching aid for gravitational potential energy courses of vocational education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211087669U true CN211087669U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921216179.9U Expired - Fee Related CN211087669U (en) | 2019-07-31 | 2019-07-31 | Practical teaching aid for gravitational potential energy courses of vocational education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211087669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113129694A (en) * | 2021-04-17 | 2021-07-16 | 青岛农业大学 | Can accomodate teaching sand table for garden design who deposits |
-
2019
- 2019-07-31 CN CN201921216179.9U patent/CN211087669U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113129694A (en) * | 2021-04-17 | 2021-07-16 | 青岛农业大学 | Can accomodate teaching sand table for garden design who deposits |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200724 Termination date: 20210731 |