CN211349827U

CN211349827U - Overweight and weightlessness experiment demonstration instrument

Info

Publication number: CN211349827U
Application number: CN202020248247.6U
Authority: CN
Inventors: 许德富; 吴子旭; 安楠; 樊玲
Original assignee: Leshan Normal University
Current assignee: Leshan Normal University
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-08-25
Anticipated expiration: 2030-03-03

Abstract

The utility model belongs to the technical field of physical experiments, in particular to an overweight and weightlessness experiment demonstration instrument, which comprises a base and a host, wherein two slide bars are fixedly connected on the base, a fixed plate is arranged on each slide bar, a fixed bolt is connected on each slide bar through a thread, the bottom end of each fixed bolt is lapped with the fixed plate, and the surfaces of the slide bars are all slidably connected with sliding sleeves; the utility model discloses, can send the data transfer who measures weightlessness and overweight to host computer and computer through setting up pressure sensor and wireless sender, the later stage of being convenient for is to the processing of data, set up the decompression pad can be better play the cushioning effect when the base falls under the weighing platform bottom plate, set up the height that fixed plate and fixing bolt are convenient for adjust the fixed plate, can be according to different heights to weightlessness and overweight measurement, it draws weighing platform and weighing platform bottom plate to carry out the experiment operation to set up pull ring and nylon rope experimenter of being convenient for, the whole that makes through mutually supporting between each structure is better to overweight and weightlessness measuring effect.

Description

Overweight and weightlessness experiment demonstration instrument

Technical Field

The utility model belongs to the technical field of the physics experiment, concretely relates to overweight and weightlessness experiment demonstration appearance.

Background

Weightlessness and overweight are tested in the real society by a precision instrument, and the equipment is complex and the operation is very complicated because the precision is required; the instrument needs a great expense when the instrument is purchased and used in a school for the purpose of teaching, so when the student performs weightlessness and overweight teaching in a classroom, the language is basically adopted for speaking, the student can hardly understand the detailed and direct experience of weightlessness and overweight practically, and the overweight and weightlessness experiment demonstration instrument is provided for better observation and experiment operation of the student.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an overweight and weightlessness experiment demonstration appearance has easy operation, is convenient for to weightlessness and the characteristics that overweight information gathered.

In order to achieve the above object, the utility model provides a following technical scheme: overweight and weightlessness experiment demonstration appearance, including base and host computer, two slide bars of fixedly connected with on the base, be provided with the fixed plate on the slide bar, threaded connection has fixing bolt on the slide bar, fixing bolt's bottom and fixed plate overlap joint, the equal sliding connection in slide bar surface has the sliding sleeve, fixedly connected with weighing platform bottom plate between the sliding sleeve, be provided with the weighing platform on the weighing platform bottom plate, be provided with pressure sensor and wireless transmitter between weighing platform and the weighing platform bottom plate.

Preferably, the weighing platform bottom plate is fixedly connected with a U-shaped frame, the upper end of the U-shaped frame is fixedly connected with a nylon rope, and the other end of the nylon rope is fixedly connected with a pull ring.

Preferably, the fixed plate bottom fixedly connected with mount, fixedly connected with pulley in the mount, the pulley surface and nylon rope overlap joint.

Preferably, the surface of the sliding rod is sleeved with a pressure reducing pad, the bottom end of the pressure reducing pad is in lap joint with the base, and the upper end of the pressure reducing pad is in lap joint with the sliding sleeve.

Preferably, the host is electrically connected with a computer through a wire, the computer is electrically connected with the wireless transmitter through a wire, and the wireless transmitter is electrically connected with the pressure sensor through a wire.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model can better make the bottom plate of the weighing platform and the weighing platform move downwards by arranging the sliding rod and the sliding sleeve, simultaneously, the friction force between the sliding sleeve and the sliding rod and the weightlessness gravity when the weighing platform bottom plate and the weighing platform fall in weightlessness can be measured, after the special software processing in the later stage, the weightlessness data can be obtained, the pressure sensor and the wireless transmitter can transmit the weightlessness and overweight measurement data to the host and the computer, the data processing in the later stage is convenient, the pressure reducing pad can better play a role of buffering when the weighing platform bottom plate falls to the base, the impact force to the weighing platform bottom plate and the weighing platform is reduced, the fixing plate and the fixing bolt are arranged to adjust the height of the fixing plate conveniently, the weightlessness and overweight measurement can be carried out according to different heights, the pull ring and the nylon rope are arranged to facilitate the experimenter to pull up the weighing platform and the weighing platform bottom plate for experimental operation, the overall measurement effect on overweight and weightlessness is better through the mutual matching of the structures.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the structure s of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

FIG. 3 is an enlarged schematic view of the structure at B of the present invention;

fig. 4 is an enlarged schematic structural view of the position C of the present invention;

FIG. 5 is a schematic view of the three-dimensional structure of the computer and the host of the present invention;

in the figure: 1. a base; 2. a slide bar; 3. a fixing plate; 4. fixing the bolt; 5. a nylon cord; 6. a U-shaped frame; 7. a weighing platform base plate; 8. a pressure reducing pad; 9. a fixed mount; 10. a pulley; 11. weighing platform; 12. a pressure sensor; 13. a wireless transmitter; 14. a sliding sleeve; 15. a pull ring; 16. a computer; 17. a host.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: overweight and weightlessness experiment demonstration instrument, including base 1 and host computer 17, two slide bars 2 of fixedly connected with on the base 1, be provided with fixed plate 3 on the slide bar 2, threaded connection has fixing bolt 4 on the slide bar 2, the bottom of fixing bolt 4 and fixed plate 3 overlap joint, slide bar 2 surface all sliding connection has sliding sleeve 14, can better make weighing platform bottom plate 7 and weighing platform 11 move downwards through setting up slide bar 2 and sliding sleeve 14, can measure frictional force and weightlessness gravity between slide sleeve 14 and the slide bar 2 when weighing platform bottom plate 7 and weighing platform 11 weightlessness whereabouts simultaneously, just can obtain data when weightlessness after the special software processing of later stage, fixedly connected with weighing platform bottom plate 7 between sliding sleeve 14, be provided with weighing platform 11 on the weighing platform bottom plate 7, be provided with pressure sensor 12 and wireless transmitter 13 between weighing platform 11 and the weighing platform bottom plate 7, the pressure sensor 12 and the wireless transmitter 13 are arranged to transmit the data of weightlessness and overweight measurement to the host 17 and the computer 16, so as to facilitate the later processing of the data.

Specifically, fixedly connected with U type frame 6 on the weighing platform bottom plate 7, the upper end fixedly connected with nylon rope 5 of U type frame 6, the other end fixedly connected with pull ring 15 of nylon rope 5 sets up pull ring 15 and nylon rope 5 and is convenient for the experimenter to pull up weighing platform 11 and weighing platform bottom plate 7 and carry out the experiment operation.

Specifically, the bottom end of the fixed plate 3 is fixedly connected with a fixed frame 9, the fixed plate 3 and the fixing bolt 4 are arranged to facilitate adjustment of the height of the fixed plate 3, weightlessness and overweight measurement can be performed according to different heights, a pulley 10 is fixedly connected in the fixed frame 9, and the surface of the pulley 10 is in lap joint with the nylon rope 5.

Specifically, 2 surface cup joints decompression pad 8 on the slide bar, sets up decompression pad 8 can be better play the cushioning effect when base 1 falls down to weighing platform bottom plate 7, reduces the impact to weighing platform bottom plate 7 and weighing

platform

11, 8 bottoms of decompression pad and 1 overlap joints of base, 8 upper ends of decompression pad and 14 overlap joints of sliding sleeve.

Specifically, the host 17 is electrically connected to a computer 16 through a wire, the computer 16 is electrically connected to the wireless transmitter 13 through a wire, and the wireless transmitter 13 is electrically connected to the pressure sensor 12 through a wire.

The utility model discloses a theory of operation and use flow: the utility model discloses, during the use, through opening host computer 17 and computer 16, and start the special software on the computer 16, under the condition of not adding the heavy object on weighing platform 11, pulling pull ring 15 with weighing platform bottom plate 7 and weighing platform 11 upwards pull up through nylon rope 5, then the automatic pressure sensor 12 and the wireless transmitter 13 of weighing platform 11 bottom of falling, the speed of weightlessness whereabouts is passed through wireless transmitter 13 and is conveyed to host computer 17, and show weightlessness whereabouts orbit on the special software of computer 16, then put a 100 g's hook sign indicating number on weighing platform 11, special software can draw a vertical line that the ordinate is for being greater than 0.968 in the computer 16, reuse power upwards pulls pull ring 15 through U type frame 6 pulling weighing platform bottom plate 7 rapidly, after pausing, release weighing platform 11 and weighing platform bottom plate 7 again and make it fall, the curve that pressure changes along with time when scanning overweight on the computer 16 screen, the conditions for producing overweight and weightlessness are derived by analysis of the data generated on computer 16.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Overweight and weightlessness experiment demonstration appearance, including base (1) and host computer (17), its characterized in that: two slide bar (2) of fixedly connected with are gone up in base (1), be provided with fixed plate (3) on slide bar (2), threaded connection has fixing bolt (4) on slide bar (2), the bottom and fixed plate (3) overlap joint of fixing bolt (4), slide bar (2) equal sliding connection in surface has sliding sleeve (14), fixedly connected with weighing platform bottom plate (7) between sliding sleeve (14), be provided with weighing platform (11) on weighing platform bottom plate (7), be provided with pressure sensor (12) and wireless transmitter (13) between weighing platform (11) and weighing platform bottom plate (7).

2. An overweight and weightlessness experiment demonstration instrument according to claim 1, characterized in that: fixedly connected with U type frame (6) on weighing platform bottom plate (7), the upper end fixedly connected with nylon rope (5) of U type frame (6), the other end fixedly connected with pull ring (15) of nylon rope (5).

3. An overweight and weightlessness experiment demonstration instrument according to claim 1, characterized in that: the fixed plate (3) bottom fixedly connected with mount (9), fixedly connected with pulley (10) in mount (9), pulley (10) surface and nylon rope (5) overlap joint.

4. An overweight and weightlessness experiment demonstration instrument according to claim 1, characterized in that: the surface of the sliding rod (2) is sleeved with a pressure reducing pad (8), the bottom end of the pressure reducing pad (8) is in lap joint with the base (1), and the upper end of the pressure reducing pad (8) is in lap joint with the sliding sleeve (14).

5. An overweight and weightlessness experiment demonstration instrument according to claim 1, characterized in that: the host (17) is electrically connected with a computer (16) through a lead, the computer (16) is electrically connected with the wireless transmitter (13) through a lead, and the wireless transmitter (13) is electrically connected with the pressure sensor (12) through a lead.