CN210925129U

CN210925129U - Multifunctional physical mechanics tester

Info

Publication number: CN210925129U
Application number: CN201921691925.XU
Authority: CN
Inventors: 王正
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-07-03
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a multi-functional physics mechanics tester, including the tester main part, the laboratory bench is installed on the top of tester main part, and the top middle part of laboratory bench is equipped with the experiment groove. The utility model designs two experiment devices on one experiment table, which increases the functionality and practicability of the experiment table and reduces the experiment teaching materials needed to be carried when the teacher prepares different teaching experiments; the speed sensor arranged on the friction block can transmit the sliding speed of the friction block to a display screen on the velometer in real time, so that teachers and students can observe when the friction block moves at a constant speed conveniently, and further the accurate maximum static friction force and sliding friction force are obtained; the electric telescopic handle of installation can change the relative height of lifter plate on the second experiment ware, and then makes the spring of equidimension not place inside the experimental groove to make this experiment ware can be that the student carries out abundant understanding to hooke's law.

Description

Multifunctional physical mechanics tester

Technical Field

The utility model belongs to the technical field of the physics experiment ware, particularly, relate to a multi-functional physics mechanics experiment ware.

Background

The physical mechanics is a new branch of mechanics, which starts from the microstructure of substances and the movement law thereof, clarifies the macroscopic properties of media and materials by the achievements of the subjects of modern physics, physical chemistry, quantum chemistry and the like, and makes a microscopic explanation on the macroscopic phenomena of the media and the materials and the movement law thereof through analytical research and numerical calculation. Because the physical mechanics is abstract, a laboratory instrument is needed to simulate the mechanical process.

Current physics experimental apparatus all only has single function, can only carry out single experiment, can say multiunit experiment at a lesson sometimes when mr attends a lesson, and this just needs to move more teaching experimental apparatus, and is comparatively inconvenient, and current teaching experimental apparatus simple structure moreover can not judge experimental state at the in-process accuracy of experiment operation.

Therefore in order to solve the above problems, the utility model provides a multi-functional physics mechanics experimental apparatus.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional physics mechanics tester to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multi-functional physics mechanics experiment ware, includes the experiment ware main part, the laboratory bench is installed on the top of experiment ware main part, the top middle part of laboratory bench is equipped with the experimental groove, first experiment ware is installed to one side of experimental groove, the clutch blocks is installed to one side of first experiment ware, the top fixed mounting of clutch blocks has the velometer, the bottom fixed mounting of clutch blocks has speedtransmitter, speedtransmitter pass through the signal line with the velometer is connected, the second experiment ware is installed to the opposite side of experimental groove, the bottom of second experiment ware is equipped with the lifter plate, the bottom fixed mounting of lifter plate has the telescopic link, the bottom fixed mounting of telescopic link is in on the bottom top of laboratory bench, install expanding spring on the lifter plate.

Further, the one end fixed mounting in experiment groove has first fixing base, the top through connection fixed mounting of first fixing base has first pivot, through connection installs first pulley in the first pivot, the bottom of first pulley is equipped with first balancing weight rack, first connecting rope is installed to the one end of clutch blocks, the other end of first connecting rope with first balancing weight rack fixed connection.

Furthermore, a display screen and a control switch are installed on the top end of the velometer, and the control switch is electrically connected with the velometer and the speed sensor.

Further, the middle part fixed mounting in experiment groove has the baffle, one side fixed mounting of baffle has the spring fixing base, the spring fixing base with expanding spring's one end active connection, the other end fixed mounting in experiment groove has the second fixing base, the top through connection fixed mounting of second fixing base has the second pivot, through connection installs the second pulley in the second pivot, the bottom of second pulley is equipped with second balancing weight rack, the second is installed on the top of second balancing weight rack and is connected the rope, the second connect the rope the one end with expanding spring's other end fixed connection.

Further, the equal fixed mounting in bottom four corners department of laboratory bench has the supporting leg, the equal fixed mounting in bottom of supporting leg has the gyro wheel, run through connection installs the connecting axle on the gyro wheel.

Furthermore, the telescopic rod is of an electric telescopic rod structure.

Furthermore, an external power supply and a master control switch are arranged on the experimental device main body, the external power supply is electrically connected with the master control switch, and the master control switch is electrically connected with the control switch and the telescopic rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in with two experimental apparatus designs on a laboratory bench of a design, can also reduce the required experimental teaching material of carrying when the mr prepares different teaching experiments when having increased the functionality and the practicality of laboratory bench.

2. The speed sensor of installation on the clutch blocks can be real-time transmit the display screen on the velometer with the gliding speed of clutch blocks on, be convenient for mr and student observe when the clutch blocks carries out uniform motion, and then obtain accurate maximum static frictional force and sliding friction power.

3. The electric telescopic handle of installation can change the relative height of lifter plate on the second experiment ware, and then makes the spring of equidimension not place inside the experimental groove to make this experiment ware can be that the student carries out abundant understanding to hooke's law.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic plan view of the present invention.

Reference numerals:

1. a tester body; 2. a laboratory bench; 201. an experimental groove; 3. a first laboratory; 301. a friction block; 302. a velometer; 303. a speed sensor; 304. a display screen; 305. a control switch; 306. a first connecting rope; 307. a first fixed seat; 308. a first counterweight block placing frame; 309. a first pulley; 310. a first rotating shaft; 4. a second laboratory; 401. a tension spring; 402. a second fixed seat; 403. a second pulley; 404. a second connecting rope; 405. a second rotating shaft; 406. a second counterweight placing frame; 407. a lifting plate; 408. a telescopic rod; 409. a spring fixing seat; 5. supporting legs; 501. a roller; 502. a connecting shaft; 6. a separator.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1-2, a multifunctional physical mechanics experiment apparatus according to an embodiment of the present invention includes an experiment apparatus main body 1, an experiment table 2 is installed on a top end of the experiment apparatus main body 1, an experiment groove 201 is installed in a middle portion of a top end of the experiment table 2, a first experiment apparatus 3 is installed on one side of the experiment groove 201, a friction block 301 is installed on one side of the first experiment apparatus 3, a velometer 302 is fixedly installed on a top end of the friction block 301, a speed sensor 303 is fixedly installed on a bottom end of the friction block 301, the speed sensor 303 is connected to the velometer 302 through a signal line, a second experiment apparatus 4 is installed on the other side of the experiment groove 201, a lifting plate 407 is installed on a bottom end of the second experiment apparatus 4, a telescopic rod 408 is fixedly installed on a bottom end of the lifting plate 407, a telescopic rod 408 is fixedly installed on a bottom end of the telescopic rod 407, a bottom end of, the lifting plate 407 is provided with a telescopic spring 401.

Through the above technical scheme of the present invention, one end of the experimental tank 201 is fixedly installed with a first fixing seat 307, the top end of the first fixing seat 307 is fixedly installed with a first rotating shaft 310 in a penetrating connection manner, a first pulley 309 is installed on the first rotating shaft 310 in a penetrating connection manner, the bottom end of the first pulley 309 is provided with a first counterweight holding frame 308, one end of the friction block 301 is installed with a first connecting rope 306, and the other end of the first connecting rope 306 is fixedly connected with the first counterweight holding frame 308; a display screen 304 and a control switch 305 are mounted at the top end of the velometer 302, and the control switch 305 is electrically connected with the velometer 302 and the speed sensor 303; a partition plate 6 is fixedly installed in the middle of the experiment groove 201, a spring fixing seat 409 is fixedly installed on one side of the partition plate 6, the spring fixing seat 409 is in active connection with one end of the telescopic spring 401, a second fixing seat 402 is fixedly installed on the other end of the experiment groove 201, a second rotating shaft 405 is fixedly installed at the top end of the second fixing seat 402 in a penetrating connection mode, a second pulley 403 is installed on the second rotating shaft 405 in a penetrating connection mode, a second counterweight placing frame 406 is arranged at the bottom end of the second pulley 403, a second connecting rope 404 is installed at the top end of the second counterweight placing frame 406, and one end of the second connecting rope 404 is fixedly connected with the other end of the telescopic spring 401; supporting legs 5 are fixedly arranged at four corners of the bottom end of the experiment table 2, rollers 501 are fixedly arranged at the bottom ends of the supporting legs 5, and connecting shafts 502 are installed on the rollers 501 in a penetrating and connecting mode; the telescopic rod 408 is an electric telescopic rod structure; the experimental device comprises an experimental device body 1 and is characterized in that an external power supply and a master control switch are arranged on the experimental device body 1, the external power supply is electrically connected with the master control switch, and the master control switch is electrically connected with a control switch 305 and a telescopic rod 408.

In specific application, the experiment device main body 1 is moved to a designated place through the roller 501, when a friction experiment needs to be performed, the operation can be performed through the first experiment device 3, the weight is placed on the first counter weight block placing frame 308, the first counter weight block placing frame 308 moves downwards due to the gravity action of the weight, so that the friction block 301 connected through the first connecting rope 306 can slide in the experiment groove 201, the bottom of the friction block 301 is installed on the speed sensor 303, the sliding speed of the friction block 301 can be transmitted to the velometer 302 in real time, an experimenter can know the moving speed of the friction block in real time through the display screen 304 on the velometer 302, and can quickly and accurately judge when the friction block 301 moves at a constant speed, so that the accurate maximum static friction force and sliding friction force can be obtained, when a hooke's law experiment needs to be performed, place the weight on second balancing weight rack 406, by the action of gravity of weight for second balancing weight rack 406 moves down, and then makes the expanding spring 401 that is connected through the second connection rope 404 produce certain deformation, through the flexible effect of telescopic link 408, makes the relative position of lifter plate 407 can obtain the adjustment, and then makes some great springs also can experiment in experimental groove 201.

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. The multifunctional physical mechanics tester is characterized by comprising a tester main body (1), a test bench (2) is installed at the top end of the tester main body (1), an experiment groove (201) is arranged in the middle of the top end of the test bench (2), a first tester (3) is installed on one side of the experiment groove (201), a friction block (301) is installed on one side of the first tester (3), a velometer (302) is fixedly installed on the top end of the friction block (301), a speed sensor (303) is fixedly installed on the bottom end of the friction block (301), the speed sensor (303) is connected with the velometer (302) through a signal line, a second tester (4) is installed on the other side of the experiment groove (201), a lifting plate (407) is arranged at the bottom end of the second tester (4), and a telescopic rod (408) is fixedly installed at the bottom end of the lifting plate (407), the bottom end of the telescopic rod (408) is fixedly installed on the top end of the bottom end of the experiment table (2), and the lifting plate (407) is provided with a telescopic spring (401).

2. The multifunctional physical mechanics experiment device of claim 1, wherein one end of the experiment groove (201) is fixedly provided with a first fixing seat (307), the top end of the first fixing seat (307) is fixedly provided with a first rotating shaft (310) in a penetrating manner, the first rotating shaft (310) is provided with a first pulley (309) in a penetrating manner, the bottom end of the first pulley (309) is provided with a first counterweight holding frame (308), one end of the friction block (301) is provided with a first connecting rope (306), and the other end of the first connecting rope (306) is fixedly connected with the first counterweight holding frame (308).

3. The multifunctional physical mechanical experiment instrument of claim 1, wherein a display screen (304) and a control switch (305) are mounted on the top end of the speed measurer (302), and the control switch (305) is electrically connected with the speed measurer (302) and the speed sensor (303).

4. The multifunctional physical mechanics experimental device of claim 1, a clapboard (6) is fixedly arranged in the middle of the experimental groove (201), a spring fixing seat (409) is fixedly arranged at one side of the clapboard (6), the spring fixing seat (409) is movably connected with one end of the telescopic spring (401), a second fixed seat (402) is fixedly arranged at the other end of the experimental groove (201), a second rotating shaft (405) is fixedly connected and arranged at the top end of the second fixed seat (402), a second pulley (403) is installed on the second rotating shaft (405) in a penetrating and connecting way, a second balancing weight placing frame (406) is arranged at the bottom end of the second pulley (403), a second connecting rope (404) is arranged at the top end of the second counterweight block placing frame (406), one end of the second connecting rope (404) is fixedly connected with the other end of the telescopic spring (401).

5. The multifunctional physical mechanics experiment device according to claim 1, characterized in that the four corners of the bottom end of the experiment table (2) are fixedly provided with supporting legs (5), the bottom ends of the supporting legs (5) are fixedly provided with rollers (501), and the rollers (501) are provided with connecting shafts (502) in a penetrating manner.

6. The multifunctional physical mechanical experiment instrument as claimed in claim 1, wherein the telescopic rod (408) is an electric telescopic rod structure.

7. The multifunctional physical mechanics experiment device according to claim 3, wherein an external power supply and a master control switch are arranged on the experiment device main body (1), the external power supply is electrically connected with the master control switch, and the master control switch is electrically connected with the control switch (305) and the telescopic rod (408).