CN112570056A

CN112570056A - Lifting platform for college physics experiments

Info

Publication number: CN112570056A
Application number: CN202011289381.1A
Authority: CN
Inventors: 戴志平
Original assignee: Hengyang Normal University
Current assignee: Hengyang Normal University
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-03-30

Abstract

The invention relates to an experiment platform and discloses a lifting platform for college physics experiments, which comprises a side wall, wherein a partition plate is arranged in the side wall, a switching block A is arranged at the center position of the upper surface of the partition plate, two sides of the switching block A are respectively and rotatably connected with a screw A, the other end of the screw A is fixedly connected with a screw B through a connecting block, the screw rotating directions of the screw A and the screw B are opposite, a nut A is connected onto the screw A through a bolt, a nut B is connected onto the screw B through a bolt, the top ends of the nut A and the nut B are both connected with the switching block B, a connecting rod is hinged onto the switching block B, the other end of the connecting rod is hinged onto the switching block C, and the switching. According to the device, the left experiment platform and the right experiment platform of the device are symmetrically arranged, so that the left experiment platform and the right experiment platform of the device are lifted at different heights to generate height difference, a physical experiment needing a certain height difference is completed, meanwhile, the height difference can be accurately read through the arrangement of the graduated scale on the back plate, and the experiment precision of the device is improved.

Description

Lifting platform for college physics experiments

Technical Field

The invention relates to an experiment platform, in particular to a lifting platform for college physics experiments.

Background

Physics is the subject of studying the most general laws of motion and basic structures of substances. As the leading subject of natural science, physical studies are as large as the universe and as small as the most basic motion forms and laws of all substances such as basic particles, and therefore, the method becomes the research foundation of other natural science subjects. The theoretical structure of the system fully uses mathematics as the working language of the system, and experiments are used as the only standard for checking the theoretical correctness, which is the most precise natural science subject at present. However, in the prior art, since a common workbench is fixed in a physical experiment in a university, the height cannot be adjusted.

Chinese patent (publication number: CN211755188U) discloses a lifting platform for college physical experiments. The lift platform that university physics experiments were used includes: a square storage box; the movable workbench is slidably arranged in the square storage box, and the top of the movable workbench extends out of the square storage box; the first hydraulic cylinder is fixedly arranged at the bottom of the square storage box, and an output shaft of the first hydraulic cylinder is fixedly connected with the bottom of the movable workbench; an Contraband type supporting block, wherein the Contraband type supporting block is slidably mounted at the bottom of the movable workbench; the second hydraulic cylinder is fixedly arranged on the Contraband-shaped supporting block; square movable holes. The device goes up and down to the experiment platform through the pneumatic cylinder, needs set up one set of hydraulic control system in the platform, and use cost is higher, and unable accurate control device rises the height.

Disclosure of Invention

The invention aims to provide a lifting platform for college physics experiments to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a lift platform that college physics experiments were used, includes the lateral wall, the inside baffle that is provided with of lateral wall, baffle upper surface central point put and are provided with switching piece A, and switching piece A both sides rotate separately and are connected with a screw rod A, and the screw rod A other end passes through connecting block fixedly connected with screw rod B, screw rod A and screw rod B screw thread revolve to opposite, bolted connection has nut A on the screw rod A, and bolted connection has nut B on the screw rod B, nut A all is connected with switching piece B with nut B top, and it has the connecting rod to articulate on the switching piece B, and the connecting rod other end articulates on switching piece C, and switching piece C fixed connection is at the experiment platform lower surface.

As a further scheme of the invention: the device is symmetrically arranged, and the experiment platform is divided into a left experiment platform and a right experiment platform by breaking the middle part.

As a further scheme of the invention: the other end of the connecting rod A penetrates through the side wall and is connected with a handle.

As a further scheme of the invention: a bottom plate is arranged below the partition plate, and a drawer is arranged between the bottom plate and the partition plate.

As a further scheme of the invention: the lower surface of the bottom plate is connected with a supporting column.

As a further scheme of the invention: the top end of the side wall is connected with a back plate.

As a still further scheme of the invention: and a graduated scale is arranged on the back plate.

Compared with the prior art, the invention has the beneficial effects that: according to the device, the left experiment platform and the right experiment platform of the device are symmetrically arranged, so that the left experiment platform and the right experiment platform of the device are lifted at different heights to generate height difference, a physical experiment needing a certain height difference is completed, meanwhile, the height difference of the experiment platforms can be accurately read through the arrangement of the graduated scale on the back plate, and the experiment precision of the device can be improved.

Drawings

Fig. 1 is a schematic structural diagram of a lifting platform for university physics experiments in the invention.

Fig. 2 is a top view of a lifting platform for university physics experiments in accordance with the present invention.

Fig. 3 is a top sectional view of a lifting platform for college physics experiments according to the present invention.

In the figure: the test bench comprises a side wall 1, a partition plate 2, a transfer block 3, a screw rod 4, a connecting block 5, a screw rod B6, a nut 7, a nut 8, a nut 9, a transfer block B10, a connecting rod 11, a transfer block C12, an experiment platform 13, a back plate 13, a graduated scale 14, a handle 15, a bottom plate 16, a drawer 17 and a support column 18.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

Referring to fig. 1 to 3, in the embodiment of the invention, a lifting platform for college physical experiments comprises a side wall 1, a partition plate 2 is arranged inside the side wall 1, a transfer block A3 is arranged at the center of the upper surface of the partition plate 2, two sides of the transfer block A3 are respectively and rotatably connected with a screw a4, the other end of the screw a4 is fixedly connected with a screw B6 through a connecting block 5, the screw a4 and the screw B6 have opposite screw thread directions, the screw a4 is in bolted connection with a nut a8, the screw B6 is in bolted connection with a nut B7, the screw a8 and the top end of the nut B7 are both connected with a transfer block B9, the transfer block B9 is hinged with a connecting rod 10, the other end of the connecting rod 10 is hinged on the transfer block C11, the transfer block C11 is fixedly connected to the lower surface of an experiment platform 12, the screw B6 drives the screw a4 to rotate through the connecting block 5, the screw thread directions of the screw a4 and the screw, carry out the mirror image motion, the motion of nut A8 and nut B7 drives connecting rod 10 and goes up and down, and connecting rod 10 drives experiment platform 12 and goes up and down, baffle 2 below is provided with bottom plate 16, is provided with drawer 17 between bottom plate 16 and the baffle 2. A supporting column 18 is connected to the lower surface of the bottom plate 16.

Preferably, for better control experiment platform, the device is the symmetry setting, and experiment platform 12 is divided into two left and right blocks of experiment platforms 12 by the disconnection in the middle, the connecting rod 10A other end passes lateral wall 1 and is connected with handle 15, and two handle 15 control experiment platform 12 that correspond separately about the device accessible, and the difference of accessible experiment platform 12 elevating height produces the difference in height, accomplishes the physics experiment that needs certain difference in height.

Example 2

Referring to fig. 1, the present invention further provides another embodiment, which is different from the above embodiment in that a back plate 13 is connected to the top end of the side wall 1, a scale 14 is disposed on the back plate 13, and the device can perform accurate reading on the height difference of the experiment platform 12 through the arrangement of the scale 14 on the back plate 13, so as to improve the experiment precision of the device.

The working principle of the invention is as follows: the device passes through handle 15 and drives screw A rotatory 4, screw B6 drives screw A4 rotatory through connecting block 5, because screw A4 is opposite with screw B6 screw thread turning, consequently nut A8 is opposite with nut B7's direction of motion, carry out mirror motion, nut A8 drives connecting rod 10 with nut B7's motion and goes up and down, connecting rod 10 drives experiment platform 12 and goes up and down, two handle 15 control experiment platform 12 that correspond separately about the device accessible, the difference of accessible experiment platform 12 lifting height produces the difference in height, accomplish the physics experiment that needs certain difference in height.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A lifting platform for college physics experiments comprises a side wall (1) and is characterized in that, a partition plate (2) is arranged in the side wall (1), a switching block A (3) is arranged at the center of the upper surface of the partition plate (2), two sides of the switching block A (3) are respectively and rotatably connected with a screw A (4), the other end of the screw A (4) is fixedly connected with a screw B (6) through a connecting block (5), the screw thread turning directions of the screw A (4) and the screw B (6) are opposite, the screw A (4) is connected with a nut A (8) through a bolt, the screw B (6) is connected with a nut B (7) through a bolt, nut A (8) and nut B (7) top all are connected with switching piece B (9), and it has connecting rod (10) to articulate on switching piece B (9), and the connecting rod (10) other end articulates on switching piece C (11), and switching piece C (11) fixed connection is at experiment platform (12) lower surface.

2. The lifting platform for college physics experiments according to claim 1, wherein the device is arranged symmetrically, and the experiment platform (12) is divided into a left experiment platform and a right experiment platform (12) by being broken in the middle.

3. The lift platform for college physics experiments according to claim 1, characterized in that the other end of the connecting rod (10) a is connected with a handle (15) through the side wall (1).

4. Lifting platform for college physics experiments according to claim 1, characterized in that a bottom plate (16) is arranged under the partition (2), and a drawer (17) is arranged between the bottom plate (16) and the partition (2).

5. The lift platform for college physics experiments according to claim 4, characterized in that a support column (18) is connected to the lower surface of the base plate (16).

6. The lifting platform for college physics experiments according to claim 1 or 3, characterized in that a back plate (13) is connected to the top end of the side wall (1).

7. The lifting platform for college physics experiments according to claim 6, characterized in that a graduated scale (14) is arranged on the back plate (13).