CN211956878U - Structural mechanics teaching aid - Google Patents
Structural mechanics teaching aid Download PDFInfo
- Publication number
- CN211956878U CN211956878U CN202021123607.6U CN202021123607U CN211956878U CN 211956878 U CN211956878 U CN 211956878U CN 202021123607 U CN202021123607 U CN 202021123607U CN 211956878 U CN211956878 U CN 211956878U
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- CN
- China
- Prior art keywords
- frame
- teaching aid
- telescopic assembly
- structural mechanics
- force application
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a structural mechanics teaching aid belongs to mechanics teaching aid technical field, and it includes first frame and second frame, first frame through first flexible subassembly with second frame attach, first frame inboard is equipped with the mount, the mount is established through inlaying drive arrangement in the first frame drives, second frame swing joint has application of force mechanism. The utility model discloses can realize carrying out the application of force to the different positions of atress object, also can alternate different application of force modes and carry out the application of force to the atress object, the centre gripping is fixed to the atress object of different shapes to the convenience simultaneously, helps the smooth effect effectively going on of mechanism mechanics.
Description
Technical Field
The utility model relates to a mechanics teaching aid technical field, more specifically relates to a structural mechanics teaching aid.
Background
The structural mechanics is a branch of solid mechanics, and mainly researches the response, namely internal force and deformation, of the rod system structure under the action of load and non-load factors, and the mechanical problems of reasonable composition rule of the structure, structural dynamic characteristics, structural stability and the like. The structural mechanics is an important professional basic course of civil engineering, mechanical engineering and related professions, is not only deepening and extending of a previous mathematical mechanics course, but also is the basis of a subsequent professional course, and therefore, the structural mechanics plays an important role in the whole professional course system.
Although the existing mechanism mechanics teaching aid is very large, the existing mechanism mechanics teaching aid is lack of various fixed clamping stressed objects and simultaneously changes the force application mode.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a structural mechanics teaching aid for solve the problem that the lack multiple fixed centre gripping atress thing and change the application of force mode simultaneously that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a structural mechanics teaching aid comprises a first frame and a second frame, wherein the first frame is connected with the second frame through a first telescopic assembly, a fixed frame is arranged on the inner side of the first frame, the fixed frame is driven by a driving device embedded in the first frame, and the second frame is movably connected with a force application mechanism;
the fixing frame comprises a side plate and a bottom plate, a telescopic cavity is arranged in the side plate, a third telescopic assembly is arranged on the inner wall of the telescopic cavity, and a clamping area is defined between the side plate and the bottom plate;
the force application mechanism comprises a sliding cavity arranged in the middle of the second frame, a transmission rod arranged in the sliding cavity, an electric sliding block arranged on the outer side of the transmission rod, a second telescopic assembly arranged at the lower end of the electric sliding block, and a force transmission part arranged at the lower end of the second telescopic assembly, wherein a window used for the second telescopic assembly to slide is arranged on the lower side of the sliding cavity.
Further, pass power part includes connecting seat, joint piece and application of force portion threaded connection.
Further, a point contact joint is integrally connected to the lower end of the force application part.
Furthermore, the lower end of the force application part is integrally connected with a wire contact joint.
Furthermore, the lower end of the force application part is integrally connected with a surface contact joint.
Further, the driving device is a motor, and a conventional bearing or other fixed supporting equipment is installed between the fixed frame and the driving device.
Furthermore, the first telescopic assembly, the second telescopic assembly and the third telescopic assembly are electric telescopic rods or hydraulic cylinders.
Furthermore, the third telescopic assembly is connected with a clamping flat plate.
Furthermore, the third telescopic assembly is connected with a clamping arc-shaped plate which is arranged at an interval with the clamping flat plate.
Furthermore, power supply equipment is embedded in the first frame.
Compared with the prior art, the utility model has the advantages of: the force application to different positions of the stressed object can be realized, different force application modes can be changed to apply force to the stressed object, meanwhile, the stressed objects with different shapes can be conveniently and fixedly clamped, and the smooth and effective implementation of mechanism mechanics is facilitated;
1. through the transmission rod arranged in the sliding cavity, the position of the force application part can be changed by the electric slide block sleeved on the outer side of the transmission rod, so that the force application to different positions of the stressed structure is realized, and the mechanical property of the stressed object is tested in a wider range;
2. the point contact joint, the line contact joint and the surface contact joint are integrally connected with the lower end of the force application part, so that different force application modes can be flexibly changed, different force application modes on a stressed object can be realized through the point contact joint, the line contact joint and the surface contact joint, and the change of the mechanical property of the object under stress is improved;
3. the first telescopic assembly arranged between the first frame and the second frame can quickly realize the adjustment of the mechanical measurement height, so that the application range of the device is realized, and the operability of mechanical teaching is improved;
4. through being provided with the dull and stereotyped centre gripping arc of centre gripping in the flexible subassembly one end of third, can fix the centre gripping to the object of different shapes, realized the applicability of device to help going on effectively smoothly of whole mechanics teaching process.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a side view of the fixing frame of the present invention;
fig. 3 is a top view of the fixing frame of the present invention;
fig. 4 is a schematic structural view of the holding plate of the present invention;
fig. 5 is a schematic structural view of the clamping arc of the present invention;
fig. 6 is a schematic structural view of the force application portion and the point contact joint of the present invention;
fig. 7 is a schematic structural view of the force application portion and the wire contact joint of the present invention;
FIG. 8 is a schematic structural view of the force application portion and the surface contact joint of the present invention;
fig. 9 is a schematic structural view of the point contact joint according to the present invention during operation;
fig. 10 is a schematic structural view of the wire contact joint according to the present invention in operation;
fig. 11 is a schematic structural diagram of the surface contact joint of the present invention during operation.
The reference numbers in the figures illustrate:
1 first frame, 2 second frames, 3 sliding cavities, 4 transfer lines, 5 electronic sliders, 6 second telescopic components, 7 connecting seats, 8 force application parts, 81 point contact joints, 82 line contact joints, 83 face contact joints, 9 driving devices, 10 fixed frames, 101 side plates, 1011 telescopic cavities, 102 bottom plates, 11 first telescopic components, 12 clamping intervals, 13 third telescopic components, 14 clamping flat plates, 15 clamping arc plates and 16 clamping blocks.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-11, the present invention provides an embodiment of a structural mechanics teaching aid: a structural mechanics teaching aid comprises a first frame 1 and a second frame 2, wherein the first frame 1 is connected with the second frame 2 through a first telescopic assembly 11, a fixed frame 10 is arranged on the inner side of the first frame 1, the fixed frame 10 is driven by a driving device 9 embedded in the first frame 1, the driving device 9 is a motor, and a conventional bearing or other fixed supporting equipment is arranged between the fixed frame 10 and the driving device 9; the second frame 2 is movably connected with a force application mechanism; a power supply device is embedded in the first frame 1;
the fixing frame 10 comprises a side plate 101 and a bottom plate 102, a telescopic cavity 1011 is arranged inside the side plate 101, a third telescopic assembly 13 is arranged on the inner wall of the telescopic cavity 1011, and a clamping area 12 is defined between the side plate 101 and the bottom plate 102;
the force application mechanism comprises a sliding cavity 3 arranged in the middle of the second frame 3, a transmission rod 4 arranged in the sliding cavity 3, an electric slide block 5 sleeved outside the transmission rod 4, a second telescopic assembly 6 arranged at the lower end of the electric slide block 5, and a force transmission part arranged at the lower end of the second telescopic assembly 6, wherein the force transmission part comprises a connecting seat 7, a clamping block 16 and a force application part 8, the lower end of the force application part 8 is integrally connected with a point contact joint 81, and the force application part is in a cone shape; the lower end of the force application part 8 is integrally connected with a wire contact joint 82, and the longitudinal section of the force application part is triangular; the lower end of the force application part 8 is integrally connected with a surface contact joint 83 which is in a cylinder shape; the clamping block 16 is in threaded connection with the force application part 8; and a window used for sliding the second telescopic assembly is arranged at the lower side of the sliding cavity 3.
The transmission rod 4 is a screw rod.
The first telescopic assembly 11, the second telescopic assembly 6 and the third telescopic assembly 13 are electric telescopic rods or hydraulic cylinders.
The third telescopic assembly 13 is connected with a clamping flat plate 14, and the third telescopic assembly 13 is connected with a clamping arc-shaped plate 15 which is arranged at an interval with the clamping flat plate 14.
The whole equipment is provided with an electric cabinet or a remote controller.
The working principle is as follows: firstly, the height of a first telescopic assembly 11 is adjusted according to the height of a stressed object, then a clamping flat plate 14 or a clamping arc-shaped plate 15 is selected according to the shape of the stressed object for clamping and fixing, the clamping degree is controlled through a third telescopic assembly 13, then a clamping block 16 is sequentially in threaded connection with a force application part 8 with a point contact joint 81, a force application part 8 with a line contact joint 82 and a force application part 8 with a surface contact joint 83, and the clamping block 16 is clamped with a connecting seat 7; and then the electric sliding block 5 is controlled to move on the transmission rod 4 in the horizontal direction to reach a specified position, then the second telescopic assembly 6 is adjusted to change the length so as to indirectly apply force to the stressed object through the point contact joint 81, the line contact joint 82 and the surface contact joint 8, the change of the external form or structure of the stressed object can be observed, and the change can be connected with a mechanical analyzer to analyze stress strain.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a structural mechanics teaching aid, includes first frame and second frame, its characterized in that: the first frame is connected with the second frame through a first telescopic assembly, a fixed frame is arranged on the inner side of the first frame, the fixed frame is driven by a driving device embedded in the first frame, and the second frame is movably connected with a force application mechanism;
the fixing frame comprises a side plate and a bottom plate, a telescopic cavity is arranged in the side plate, a third telescopic assembly is arranged on the inner wall of the telescopic cavity, and a clamping area is defined between the side plate and the bottom plate;
the force application mechanism comprises a sliding cavity arranged in the middle of the second frame, a transmission rod arranged in the sliding cavity, an electric sliding block arranged on the outer side of the transmission rod, a second telescopic assembly arranged at the lower end of the electric sliding block, and a force transmission part arranged at the lower end of the second telescopic assembly, wherein a window used for the second telescopic assembly to slide is arranged on the lower side of the sliding cavity.
2. A structural mechanics teaching aid according to claim 1, wherein: the force transmission component comprises a connecting seat, a clamping block and a force application part, wherein the clamping block is in threaded connection with the force application part.
3. A structural mechanics teaching aid according to claim 2, wherein: the lower end of the force application part is integrally connected with a point contact joint.
4. A structural mechanics teaching aid according to claim 2, wherein: the lower end of the force application part is integrally connected with a wire contact joint.
5. A structural mechanics teaching aid according to claim 2, wherein: the lower end of the force application part is integrally connected with a surface contact joint.
6. A structural mechanics teaching aid according to claim 1, wherein: the driving device is a motor.
7. A structural mechanics teaching aid according to claim 1, wherein: the first telescopic assembly, the second telescopic assembly and the third telescopic assembly are electric telescopic rods or hydraulic cylinders.
8. A structural mechanics teaching aid according to claim 1, wherein: the third telescopic assembly is connected with a clamping flat plate.
9. A structural mechanics teaching aid according to claim 8, wherein: the third telescopic assembly is connected with a clamping arc-shaped plate which is arranged at an interval with the clamping flat plate.
10. A structural mechanics teaching aid according to claim 1, wherein: and power supply equipment is embedded in the first frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021123607.6U CN211956878U (en) | 2020-06-17 | 2020-06-17 | Structural mechanics teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021123607.6U CN211956878U (en) | 2020-06-17 | 2020-06-17 | Structural mechanics teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211956878U true CN211956878U (en) | 2020-11-17 |
Family
ID=73159554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021123607.6U Expired - Fee Related CN211956878U (en) | 2020-06-17 | 2020-06-17 | Structural mechanics teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211956878U (en) |
-
2020
- 2020-06-17 CN CN202021123607.6U patent/CN211956878U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 Termination date: 20210617 |