CN112071170A - Testing device for mechanics experiment - Google Patents

Testing device for mechanics experiment Download PDF

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Publication number
CN112071170A
CN112071170A CN202010964307.9A CN202010964307A CN112071170A CN 112071170 A CN112071170 A CN 112071170A CN 202010964307 A CN202010964307 A CN 202010964307A CN 112071170 A CN112071170 A CN 112071170A
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fixedly connected
platform
sliding blocks
blocks
straight rod
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CN112071170B (en
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施天霖
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Xuancheng Huizhe Productivity Promotion Center Co ltd
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
    • G09B23/10—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies

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  • General Physics & Mathematics (AREA)
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Abstract

The invention discloses a testing device for a mechanical experiment, and relates to the technical field of mechanical experiments. The invention comprises a fixed frame, wherein a partition plate is fixedly connected to one surface of the fixed frame; four groups of first fixed blocks are fixedly connected to the upper surface of the partition plate; a first straight rod is fixedly connected between the four groups of first fixed blocks; the peripheral side surface of the first straight rod is rotationally connected with an electric push rod; the other end of the electric push rod is fixedly connected with a circular ring; the inner surface of the circular ring is rotatably connected with a second straight rod; a group of second fixing blocks is fixedly connected to two ends of the second straight rod. The electric push rod is arranged, so that the problem that a plurality of variables cannot be changed in the testing process of the conventional mechanical testing device is solved; by arranging different sliding blocks, the problem that the friction force of the existing mechanical test device cannot be controlled in the test process is solved; through setting up pressure sensor and speed detector, solved current mechanical test device at the single problem of testing arrangement.

Description

Testing device for mechanics experiment
The patent application is divisional application, the application number of a parent application is 201811348756X, and the application date of the parent application is 11 months and 13 days in 2018.
Technical Field
The invention belongs to the technical field of mechanical experiments, and particularly relates to a testing device for mechanical experiments.
Background
The mechanical artificial simulation test is a test mode widely adopted by people in scientific research and production. The method is characterized in that a single environmental factor or a plurality of environmental factors are created by utilizing test equipment in a laboratory and comprehensively act on the product, so that the adaptability of the product under the action of the main environmental factors in use, transportation and storage is evaluated. The artificial environment test can be divided into three types, namely a single test for simulating the influence of a single environmental factor on a test sample. And (3) simulating a comprehensive test in which two or more environmental factors simultaneously act on the test sample. A combination test in which two or more environmental factors act on a test sample sequentially or alternately.
The existing mechanical test device can not change a plurality of variables in the test process, so that the mechanical test result is inaccurate; the existing mechanical test device cannot test the friction force and cannot control the friction force in the test process, so that the mechanical test result is not strict; although the mechanical characteristics under different friction coefficient environments can be tested by adopting a plurality of friction plates with different roughness, the friction plates need to be tested separately aiming at different friction environments and can not meet some test requirements; the existing mechanical test device only tests through one device of a dotting timer in the test process, so that the test result of the mechanical test is inaccurate.
Disclosure of Invention
The invention aims to provide a testing device for a mechanical experiment, which solves the problem that a plurality of variables cannot be changed in the testing process of the existing mechanical testing device by arranging an electric push rod; by arranging different sliding blocks, the problem that the friction force of the existing mechanical test device cannot be controlled in the test process is solved; through setting up pressure sensor and speed detector, solved current mechanical test device at the single problem of testing arrangement.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a testing device for a mechanical experiment, which comprises a fixed frame, wherein a partition plate is fixedly connected to one surface of the fixed frame; four groups of first fixed blocks are fixedly connected to the upper surface of the partition plate; a first straight rod is fixedly connected among the four groups of first fixed blocks; the peripheral side surface of the first straight rod is rotatably connected with an electric push rod; the other end of the electric push rod is fixedly connected with a circular ring; the inner surface of the circular ring is rotatably connected with a second straight rod; a group of second fixing blocks is fixedly connected to two ends of the second straight rod; a platform is fixedly connected to one surface of the second fixed block; four rotating shafts penetrate through and are fixed on the opposite surface of the first platform; wherein, the upper surface of the platform is provided with a trolley; one end of the trolley is fixedly connected with a paper strip; the other end of the paper strip is fixedly connected with a soft rope; the other end of the soft rope is fixedly connected with a weight tray; a first notch is formed in one surface of the platform in an array mode; the inner surfaces of the first notches are connected with a sliding block in a sliding manner; a third fixed block is fixedly connected to the surface of the first sliding block; a button is fixedly connected to one surface of the third fixing block; the button penetrates through the platform and is connected with the platform in a sliding manner; a dotting timer is fixedly connected to one surface of the fixing frame; one surface of the fixed frame is fixedly connected with a group of speed detectors; four second notches are formed in one surface of the fixing frame.
Further, the slip penetrates the dotting timer and is in clearance fit with the dotting timer.
Further, a pressure sensor is fixedly connected to one surface of the partition plate; the pressure sensor is positioned right below the weight plate.
Further, four circumferential side surfaces of the rotating shaft are rotatably connected with inner surfaces of four second notches.
Furthermore, one surface of the sliding block is of an arc structure; the sliding blocks are arranged back to back in the first notch.
The invention has the following beneficial effects:
1. the electric push rod is arranged, so that the problem that the mechanical test result is inaccurate because a plurality of variables cannot be changed in the test process of the conventional mechanical test device is solved, the inclined angle can be changed at multiple angles by the arranged electric push rod, and the mechanical test device has the advantage of improving the mechanical test result.
2. The invention solves the problem that the mechanical test result is not strict because the friction force cannot be tested and cannot be controlled in the test process of the conventional mechanical test device by arranging different sliding blocks, the friction force can be changed by arranging different sliding blocks, the sliding blocks with different numbers can be controlled by adopting buttons with different numbers, and the friction coefficient is adjusted by changing the compactness of the sliding blocks, so that the mechanical test result has the advantage of being more strict.
3. The pressure sensor and the speed detector are arranged, so that the problem that the mechanical test result is inaccurate because the conventional mechanical test device is tested only by one dotting timer in the test process is solved, the pressure sensor and the speed detector can test the result for multiple times, and the mechanical test device has the advantage of improving the mechanical test result.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a testing device for mechanical experiments according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic structural view of the platform and the electric putter;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
FIG. 5 is a schematic structural view of a platen;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a mount, 2-a partition, 3-a first fixed block, 4-a first straight bar, 5-an electric push rod, 6-a ring, 7-a second straight bar, 8-a second fixed block, 9-a platform, 10-a spindle, 11-a trolley, 12-a paper strip, 13-a flexible rope, 14-a weight tray, 15-a first notch, 16-a slider, 17-a third fixed block, 18-a button, 19-a dotting timer, 20-a speed detector, 21-a second notch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention is a testing device for mechanics experiments, which includes a fixing frame 1, wherein a surface of the fixing frame 1 is fixedly connected with a partition board 2; the upper surface of the clapboard 2 is fixedly connected with four groups of first fixed blocks 3; a first straight rod 4 is fixedly connected between the four groups of first fixed blocks 3; the peripheral side surface of the first straight rod 4 is rotationally connected with an electric push rod 5; the other end of the electric push rod 5 is fixedly connected with a circular ring 6; the inner surface of the circular ring 6 is rotationally connected with a second straight rod 7; a group of second fixing blocks 8 are fixedly connected to two ends of the second straight rod 7; a platform 9 is fixedly connected to one surface of the second fixing block 8; four rotating shafts 10 penetrate through and are fixed on the opposite surface of the platform 9; wherein, the upper surface of the platform 9 is provided with a trolley 11; one end of the trolley 11 is fixedly connected with a paper strip 12; the other end of the paper strip 12 is fixedly connected with a soft rope 13; the other end of the soft rope 13 is fixedly connected with a weight tray 14; a first notch 15 is arrayed on one surface of the platform 9; a plurality of sliding blocks 16 are connected to the inner surfaces of the first notches (15) in a sliding manner; the plurality of sliding blocks 16 can be divided into a plurality of groups of sliding blocks 16 which are uniformly distributed, each group of sliding blocks 16 are mutually interpenetrated to form all sliding blocks, the surface of each group of sliding blocks 16 is fixedly connected with a third fixed block 17, the plurality of sliding blocks 16 can be divided into 10 groups, and each group is respectively connected and controlled by different third fixed blocks 17; a button 18 is fixedly connected to one surface of the third fixing block 17; the button 18 penetrates through the platform 9 and is connected with the platform 9 in a sliding way; a dotting timer 19 is fixedly connected to one surface of the fixing frame 1; one surface of the fixing frame 1 is fixedly connected with a group of speed detectors 20; the speed detector 20 is of type JS-B; one surface of the fixing frame 1 is provided with four second notches 21.
Wherein the paper strip 12 extends through the dotting timer 13 and is clearance fit with the dotting timer 13, as shown in fig. 1.
As shown in fig. 1, a pressure sensor is fixedly connected to one surface of the partition board 2; the pressure sensor is of the CYYZ11 type; the pressure sensor is located just below the weight tray 14.
Wherein, as shown in fig. 1, the peripheral sides of the four rotating shafts 10 are rotatably connected with the inner surfaces of the four second notches 21.
As shown in fig. 5, one surface of the slider 16 has a circular arc structure; a plurality of sliders 16 are placed opposite to each other in the first notches 15.
One specific application of this embodiment is: when the device is used, the angle of the platform 9 is changed through the electric push rod 5, variable change is achieved, the button 18 drives the sliding block 16 to move up and down, friction force is changed, and the dotting timer 19 and the speed detector 20 are used for testing simultaneously, so that a testing result is more accurate.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (3)

1. Testing arrangement of mechanics experiment, including mount (1), its characterized in that: a partition plate (2) is fixedly connected to one surface of the fixing frame (1); the upper surface of the partition board (2) is fixedly connected with a plurality of groups of first fixing blocks (3); a first straight rod (4) is fixedly connected among the plurality of groups of first fixed blocks (3); the peripheral side surface of the first straight rod (4) is rotationally connected with an electric push rod (5); the other end of the electric push rod (5) is fixedly connected with a circular ring (6); the inner surface of the circular ring (6) is rotationally connected with a second straight rod (7); a group of second fixing blocks (8) are fixedly connected to two ends of the second straight rod (7); a platform (9) is fixedly connected to one surface of the second fixed block (8); a plurality of rotating shafts (10) penetrate through and are fixed on one opposite surface of the platform (9); wherein, a trolley (11) is arranged on the upper surface of the platform (9); one end of the trolley (11) is fixedly connected with a paper strip (12); the other end of the paper strip (12) is fixedly connected with a soft rope (13); the other end of the soft rope (13) is fixedly connected with a weight tray (14); a plurality of first notches (15) are arrayed on one surface of the platform (9); a plurality of sliding blocks (16) are connected to the inner surfaces of the first notches (15) in a sliding manner; the sliding blocks can be divided into a plurality of groups of sliding blocks which are uniformly distributed, each group of sliding blocks are mutually inserted to form all sliding blocks, and the surface of each group of sliding blocks is fixedly connected with a third fixed block (17); a button (18) is fixedly connected to one surface of the third fixed block (17); the button (18) penetrates through the platform (9) and is connected with the platform (9) in a sliding manner; a dotting timer (19) is fixedly connected to one surface of the fixing frame (1); one surface of the fixed frame (1) is fixedly connected with a group of speed detectors (20); a plurality of second notches (21) are formed in one surface of the fixed frame (1), the peripheral side surfaces of the plurality of rotating shafts (10) are rotatably connected with the inner surfaces of the plurality of second notches (21), and one surface of the sliding block (16) is of an arc structure; the sliding blocks are arranged in the first notches (15) in a back-to-back mode.
2. The mechanical experiment testing device of claim 1, wherein the paper strip (12) penetrates the dotting timer (13) and is in clearance fit with the dotting timer (13).
3. The testing device for mechanics experiment according to claim 1, characterized in that a pressure sensor is fixedly connected to one surface of the partition board (2); the pressure sensor is positioned under the weight tray (14).
CN202010964307.9A 2018-11-13 2018-11-13 Testing device for mechanics experiment Active CN112071170B (en)

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