CN111951645A - Flexural bolt group mechanics model teaching aid - Google Patents
Flexural bolt group mechanics model teaching aid Download PDFInfo
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- CN111951645A CN111951645A CN202010720636.9A CN202010720636A CN111951645A CN 111951645 A CN111951645 A CN 111951645A CN 202010720636 A CN202010720636 A CN 202010720636A CN 111951645 A CN111951645 A CN 111951645A
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- extrusion deformation
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- bolt group
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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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Abstract
The invention provides a bending bolt group mechanical model teaching aid, which comprises a fixing plate, wherein the fixing plate comprises a fixing plate A and a fixing plate B, and the fixing plate A and the fixing plate B are arranged in parallel; the extrusion deformation plate comprises an extrusion deformation plate A and an extrusion deformation plate B; the connecting plate comprises a connecting plate A and a connecting plate B, one end of the connecting plate A is fixedly arranged on the fixing plate A, the other end of the connecting plate A is sleeved on the connecting shaft, one end of the connecting plate B is fixedly arranged on the fixing plate B, and the other end of the connecting plate B is sleeved on the connecting shaft; and the deformable screws penetrate through holes in the fixing plate A, the fixing plate B, the extrusion deformation plate A and the extrusion deformation plate B. Fix fixed plate A, fixed plate B uses the connecting axle as pivot rotation with extrusion deformation board B, and extrusion deformation board A, extrusion deformation board B, flexible screw rod produce deformation to realize the deformation of show atress, be convenient for carry out the teaching of flexural bolt group's dynamics analysis.
Description
Technical Field
The invention relates to a mechanical model teaching aid, in particular to a flexural bolt group mechanical model teaching aid.
Background
In the process of mechanics analysis teaching of a bent bolt group, due to the change problem of the rotation axis of the bolt group and the corresponding stress-strain relation, students have great difficulty in understanding the change stress and the analysis process, and in order to enable the students to have a relatively intuitive understanding on the understanding aspect of the problems, the invention is specially designed so as to facilitate the teaching of the mechanics problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a flexural bolt group mechanics model teaching aid, wherein a fixed plate A is fixed, a fixed plate B and an extrusion deformation plate B rotate by taking a connecting shaft as a pivot, and the extrusion deformation plate A, the extrusion deformation plate B and a deformable screw rod deform, so that the deformation of stress is displayed, and the flexural bolt group mechanics analysis teaching is facilitated.
In order to achieve the purpose, the invention provides the following technical scheme: a bending bolt group mechanics model teaching aid comprises,
the fixing plate comprises a fixing plate A and a fixing plate B, and the fixing plate A and the fixing plate B are arranged in parallel;
the extrusion deformation plate comprises an extrusion deformation plate A and an extrusion deformation plate B, the extrusion deformation plate A is fixedly connected with a fixed plate A, the extrusion deformation plate B is fixedly connected with an extrusion deformation plate B, and the extrusion deformation plate A and the extrusion deformation plate B are in non-extrusion contact fit;
the connecting plate comprises a connecting plate A and a connecting plate B, the connecting plate B is respectively positioned on two opposite sides of the fixed plate A and the fixed plate B, one end of the connecting plate A is fixedly arranged on the fixed plate A, the other end of the connecting plate A is sleeved on the connecting shaft, one end of the connecting plate B is fixedly arranged on the fixed plate B, the other end of the connecting plate B is sleeved on the connecting shaft, and the connecting shaft is in clearance fit with at least one of the connecting plate A;
the deformable screws penetrate through holes in the fixing plate A, the fixing plate B, the extrusion deformation plate A and the extrusion deformation plate B, and positioning pieces are arranged at two ends of each deformable screw to fix the fixing plate A, the fixing plate B, the extrusion deformation plate A and the extrusion deformation plate B in the axial direction of the deformable screws.
In addition to the above, the deformable screws are preferably 4 rows and 2 columns.
On the basis of the above scheme, preferably, the fixing plate, the extrusion deformation plate and the connecting plate are made of transparent materials.
In addition to the above, the deformable screw is preferably made of rubber or plastic.
In addition to the above, preferably, the positioning member is a nut.
In addition to the above, preferably, the connecting shaft is a pin.
In addition to the above, preferably, the connection plate a and the fixing plate a and the connection plate B and the fixing plate B are bonded and fixed.
On the basis of the scheme, preferably, the horizontal plane where the axes of the deformable screws in the lowest row are positioned and the horizontal plane where the axes of the connecting plates are positioned are the same plane, or
The horizontal plane of the axes of the connecting plates is positioned on the central plane of the matrix formed by the rows of the deformable screws.
Compared with the prior art, the invention has the beneficial effects that:
1. fix fixed plate A, fixed plate B uses the connecting axle as pivot rotation with extrusion deformation board B, and extrusion deformation board A, extrusion deformation board B, flexible screw rod produce deformation to realize the deformation of show atress, be convenient for carry out the teaching of flexural bolt group's dynamics analysis.
2. Adopt transparent material, also can adopt translucent material or local transparent compound mode to it is good to observe the deformation condition of deformable screw rod, and wherein, deformable screw rod has the colour best.
3. The mode of bonding fixedly need not to punch on the fixed plate so that the fixed connection board to the installation is swiftly convenient, if consider the accuracy problem that the upper and lower adjustment of mounted position brought, can set up the recess on the fixed plate, sets up the lug on the connecting plate, and the lug card bonds again in the recess and can realize quick fixed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the fixing plate A and the compression deformation plate A;
FIG. 3 is a schematic view of the engagement of the fixing plate B and the crush deformation plate B;
FIG. 4 is a left side view of FIG. 1;
fig. 5 is a schematic structural view of the connection plate.
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 obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention, and in this context, detachable fixation means that the components can be detached without destroying their original performance.
As shown in fig. 1-5, the teaching aid for mechanical models of flexural bolt groups comprises,
the fixing plate comprises a fixing plate A1 and a fixing plate B2, and the fixing plate A and the fixing plate B are arranged in parallel;
the extrusion deformation plate comprises an extrusion deformation plate A3 and an extrusion deformation plate B4, the extrusion deformation plate A is fixedly connected with the fixing plate A, the extrusion deformation plate B is fixedly connected with the extrusion deformation plate B, and the extrusion deformation plate A and the extrusion deformation plate B are in non-extrusion contact fit;
the connecting plate comprises a connecting plate A5 and a connecting plate B6, the connecting plate A and the connecting plate B are respectively positioned at two opposite sides of the fixing plate A and the fixing plate B, one end of the connecting plate A is fixedly arranged on the fixing plate A, the other end of the connecting plate A is sleeved on the connecting shaft, one end of the connecting plate B is fixedly arranged on the fixing plate B, the other end of the connecting plate B is sleeved on the connecting shaft 9, and the connecting shaft is in clearance fit with at least one of the connecting;
the deformable screws 12 of the rows penetrate through the holes 8 in the fixing plate A, the fixing plate B, the extrusion deformation plate A and the extrusion deformation plate B, and positioning pieces 7 for fixing the fixing plate A, the fixing plate B, the extrusion deformation plate A and the extrusion deformation plate B in the axial direction of the deformable screws are arranged at the two ends of the deformable screws.
The connecting plates A and B are arranged symmetrically or asymmetrically with the vertical plane of the axis of the connecting shaft as the center, and the vertical plane of the axis of the connecting shaft needs to coincide with the contact surface of the connecting plate A and the connecting plate B.
The uniform end sets up installation department 10 and corresponding fixed plate A, fixed plate B fixed connection on connecting plate A, the connecting plate B, and the other end passes through the cotter hole and realizes installing with the connecting axle, realizes that fixed plate B, extrusion deformation board B use the connecting axle to rotate as the center.
The horizontal plane of the axis of the deformable screw rod at the lowest row and the horizontal plane of the axis of the connecting plate are the same plane, or
The horizontal plane of the axes of the connecting plates is positioned on the central plane of the matrix formed by the rows of the deformable screws.
Foretell scheme when using, is fixed plate A, and fixed plate B uses the connecting axle as pivot rotation with extrusion deformation board B, and extrusion deformation board A, extrusion deformation board B, deformable screw produce deformation to realize the deformation of show atress, be convenient for carry out the teaching of flexural bolt group's dynamics analysis.
The deformable screws are 4 rows and 2 columns.
The fixed plate, the extrusion deformation plate and the connecting plate are made of transparent materials. Adopt transparent material, also can adopt translucent material or local transparent compound mode to it is good to observe the deformation condition of deformable screw rod, and wherein, deformable screw rod has the colour best.
The deformable screw is made of rubber or plastic.
The positioning piece is a nut.
The connecting shaft is a pin.
The connecting plate A and the fixing plate A are bonded and fixed, and the connecting plate B and the fixing plate B are bonded and fixed.
The mode of bonding fixedly need not to punch on the fixed plate so that the fixed connection board to the installation is swiftly convenient, if consider the accuracy problem that the upper and lower adjustment of mounted position brought, can set up the recess on the fixed plate, sets up the lug on the connecting plate, and the lug card bonds again in the recess and can realize quick fixed.
Also can adopt hexagon pole and hexagon hole/groove complex design, hexagon pole 12 constitutes the installation department, can realize fast that the plug-in type is fixed, but hexagonal hole need have certain degree of depth, can cause the influence to the position of deformable screw rod, consequently, need set up hexagonal hole in the upper and lower both sides in hole.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. A flexural bolt group mechanics model teaching aid is characterized by comprising,
the fixing plate comprises a fixing plate A and a fixing plate B, and the fixing plate A and the fixing plate B are arranged in parallel;
the extrusion deformation plate comprises an extrusion deformation plate A and an extrusion deformation plate B, the extrusion deformation plate A is fixedly connected with a fixed plate A, the extrusion deformation plate B is fixedly connected with an extrusion deformation plate B, and the extrusion deformation plate A and the extrusion deformation plate B are in non-extrusion contact fit;
the connecting plate comprises a connecting plate A and a connecting plate B, one end of the connecting plate A is fixedly arranged on the fixing plate A, the other end of the connecting plate A is sleeved on the connecting shaft, one end of the connecting plate B is fixedly arranged on the fixing plate B, the other end of the connecting plate B is sleeved on the connecting shaft, and the connecting shaft is in clearance fit with at least one of the connecting plate A and the connecting plate B;
the deformable screws penetrate through holes in the fixing plate A, the fixing plate B, the extrusion deformation plate A and the extrusion deformation plate B, and positioning pieces are arranged at two ends of each deformable screw to fix the fixing plate A, the fixing plate B, the extrusion deformation plate A and the extrusion deformation plate B in the axial direction of the deformable screws.
2. A flexural bolt group mechanics model teaching aid as claimed in claim 1 wherein the rows of deformable screws are 4 rows and 2 columns.
3. A bending bolt group mechanics model teaching aid as claimed in claim 1, wherein the fixing plate, the compression deformation plate and the connecting plate are made of transparent materials.
4. A flexural bolt group mechanics model teaching aid of claim 1 wherein the deformable screw is made of rubber or plastic.
5. A flexural bolt group mechanics model teaching aid as claimed in claim 1 wherein the positioning element is a nut.
6. A flexural bolt group mechanics model teaching aid of claim 1 wherein the connecting shaft is a pin.
7. A flexural bolt group mechanics model teaching aid according to claim 1, characterized in that the connection plate a and the fixing plate a, and the connection plate B and the fixing plate B are fixed by bonding.
8. A flexural bolt group mechanics model teaching aid according to claim 1, characterized in that the horizontal plane on which the axis of the lowermost row of deformable screws lies is the same plane as the horizontal plane on which the axis of the connecting plate lies, or
The horizontal plane of the axes of the connecting plates is positioned on the central plane of the matrix formed by the rows of the deformable screws.
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CN202010720636.9A CN111951645A (en) | 2020-07-24 | 2020-07-24 | Flexural bolt group mechanics model teaching aid |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100132481A1 (en) * | 2007-02-13 | 2010-06-03 | Crane Electronics Ltd | Variable torque-rate test joint |
CN103630442A (en) * | 2013-12-04 | 2014-03-12 | 中国飞机强度研究所 | Aircraft structural strength test loading level |
CN107346631A (en) * | 2017-07-12 | 2017-11-14 | 湖南工程学院 | Stretching and bending combined deformation experimental rig |
CN206757999U (en) * | 2017-04-26 | 2017-12-15 | 重庆科技学院 | Bolt is by curved and tensile deformation exhibiting device |
CN108320631A (en) * | 2018-04-10 | 2018-07-24 | 遵义师范学院 | A kind of structural mechanics teaching aid |
CN208236065U (en) * | 2018-05-23 | 2018-12-14 | 北京工业大学 | A kind of anti-buckling support of whole restricted type of replaceable kernel |
CN109345919A (en) * | 2018-08-31 | 2019-02-15 | 南京理工大学 | A kind of force analysis tool convenient for mechanics course |
-
2020
- 2020-07-24 CN CN202010720636.9A patent/CN111951645A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100132481A1 (en) * | 2007-02-13 | 2010-06-03 | Crane Electronics Ltd | Variable torque-rate test joint |
CN103630442A (en) * | 2013-12-04 | 2014-03-12 | 中国飞机强度研究所 | Aircraft structural strength test loading level |
CN206757999U (en) * | 2017-04-26 | 2017-12-15 | 重庆科技学院 | Bolt is by curved and tensile deformation exhibiting device |
CN107346631A (en) * | 2017-07-12 | 2017-11-14 | 湖南工程学院 | Stretching and bending combined deformation experimental rig |
CN108320631A (en) * | 2018-04-10 | 2018-07-24 | 遵义师范学院 | A kind of structural mechanics teaching aid |
CN208236065U (en) * | 2018-05-23 | 2018-12-14 | 北京工业大学 | A kind of anti-buckling support of whole restricted type of replaceable kernel |
CN109345919A (en) * | 2018-08-31 | 2019-02-15 | 南京理工大学 | A kind of force analysis tool convenient for mechanics course |
Non-Patent Citations (1)
Title |
---|
徐湘涛、范涛: "普通螺栓群弯矩受拉中和轴位置分析", 《四川建筑科学研究》 * |
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Application publication date: 20201117 |