CN220322910U - Physical stretching experimental device - Google Patents
Physical stretching experimental device Download PDFInfo
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- CN220322910U CN220322910U CN202321530673.9U CN202321530673U CN220322910U CN 220322910 U CN220322910 U CN 220322910U CN 202321530673 U CN202321530673 U CN 202321530673U CN 220322910 U CN220322910 U CN 220322910U
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- 230000002457 bidirectional effect Effects 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a physical stretching experimental device, wherein a frame box is arranged above a base, a first clamping mechanism is arranged at one end of the inner side of the frame box, a second clamping mechanism is arranged at the other end of the inner side of the frame box, and the second clamping mechanism has the same structure as the first clamping mechanism; according to the utility model, the screw is driven to rotate by the rotating handle, the pressing plate is driven to move downwards in the frame by the screw rotation, the object to be stretched is fixed on the inner bottom of the frame by the downward movement of the pressing plate, then the two-way screw is driven to rotate by the rotating handle II, the two-way screw is driven to rotate to drive the two threaded blocks II to approach each other in the rectangular cavity, the four clamping rods are driven to approach each other in the two rectangular grooves by the four L-shaped blocks, and the object to be stretched is clamped on the inner bottom of the frame by the four clamping rods to facilitate clamping and fixing of objects with different diameters, so that the application range of the physical stretching experimental device is enlarged.
Description
Technical Field
The utility model relates to the technical field of testing the strength characteristics of solid materials by using mechanical stress, in particular to a physical stretching experimental device.
Background
In physical teaching, various experimental devices are usually used for assisting teaching, and when the physical stretching experimental device is used, the clamping device which is usually adopted is of a fixed size, so that objects with different diameters are difficult to clamp and fix, the application range of the physical stretching experimental device is limited, the objects are difficult to fix only through one clamping, falling off is likely to occur during stretching, and the experimental result is affected, so that the physical stretching experimental device is needed to be provided for solving the problems.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, a clamping device is difficult to clamp and fix objects with different diameters, and the like, and provides a physical stretching experimental device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a physical stretching experimental apparatus, includes the base, and the top of base is provided with the frame case, and the lower extreme both sides of frame case all are provided with first fixture through the upper end fixed connection of branch with the base, the inboard one end of frame case, and the inboard other end of frame case is provided with second fixture, and the second fixture is the same with first fixture's structure, and second fixture's bottom is provided with drive arrangement in the frame incasement.
Further, the driving device comprises a groove transversely formed in the center of the inner bottom of the frame box, a threaded rod is arranged between two side ends of the inner portion of the groove, first bearings are arranged in two side ends of the frame box respectively, one end of the threaded rod penetrates through and extends to the outer side of the frame box to be provided with a driving motor, and first threaded blocks are arranged on the threaded rod in the groove in a threaded mode.
Further, both ends have transversely seted up the sliding tray respectively on the interior bottom of frame case around the recess, all are provided with the slide bar between the inside both sides end of two sliding trays, are provided with the sliding block on two slide bars respectively in two sliding trays in the slip, and the top of screw thread piece one and the top of two sliding blocks are all connected with the bottom of second fixture.
Further, the second clamping mechanism comprises a frame arranged on the inner bottom of the frame box, a screw rod is arranged at the center of the top of the frame, a handle I is arranged outside the frame at the top of the screw rod, a pressing plate is arranged at the bottom of the screw rod in the frame, and the screw rod is arranged in the center of the top of the frame through a bearing II.
Further, first sliding grooves are formed in the inner side surfaces of the two ends of the frame, first sliding rods are arranged between the two inner side ends of the first sliding grooves, first sliding blocks are respectively arranged on the first sliding rods in the first sliding grooves in a sliding mode, and the first sliding blocks are respectively connected with the two side ends of the pressing plate.
Further, the rectangular cavity is vertically arranged in the center of the bottom of the frame, the bidirectional screw is arranged between two side ends of the inside of the rectangular cavity, the bearing III is arranged in two side ends of the bottom of the frame respectively at two side ends of the bidirectional screw, the handle II is arranged at one end of the bidirectional screw in a penetrating mode extending to the outer side of the frame, and the thread blocks II are respectively arranged at two ends of the bidirectional screw in the rectangular cavity in a threaded mode.
Further, the both ends of rectangle cavity have vertically seted up the L shape groove respectively in the bottom both ends of frame, and the inside in two L shape grooves all is provided with two L shape pieces, and the one end of four L shape pieces is connected with the both sides end of two screw thread pieces two respectively, all is provided with the grip slipper in the frame on the other end of four L shape pieces, all is provided with the friction plate on four terminal surfaces that four grip slipper are close to each other.
Further, rectangular grooves are vertically formed in the two ends of the pressing plate, two clamping rods are respectively and slidably arranged in the two rectangular grooves, sliding grooves II are respectively formed in the two ends of the two sides of the inner portion of the two sliding grooves in a downward mode, sliding rods II are respectively arranged between the two ends of the two sides of the top of the frame, two sliding blocks II are respectively and slidably arranged in the two sliding grooves II, and the bottoms of the four sliding blocks II are respectively connected with the tops of the four clamping rods.
Further, a through hole is formed in one side end of the frame box, corresponding to the second clamping mechanism, relative to the outer portion of the bidirectional screw rod.
The beneficial effects are that: according to the physical stretching experimental device, the screw is driven to rotate by the rotating handle, the pressing plate is driven to move downwards in the frame by the screw rotation, the object to be stretched is fixed on the inner bottom of the frame by the downward movement of the pressing plate, then the two-way screw is driven to rotate by the rotating handle II, the two-way screw is driven to move close to each other in the rectangular cavity by the two-way screw, the two-way screw is close to each other, the four clamping rods are driven to move close to each other in the two rectangular grooves by the four L-shaped blocks, and the object to be stretched is clamped on the inner bottom of the frame by the four clamping rods, so that the object with different diameters is conveniently clamped and fixed, the application range of the physical stretching experimental device is enlarged, and the object is clamped and fixed by the pressing plate and the two clamping rods, so that the object is prevented from falling off during stretching.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a front view in cross section;
FIG. 3 is a schematic side sectional view of the present utility model;
FIG. 4 is an enlarged schematic view of the second clamping device of FIG. 2 according to the present utility model;
FIG. 5 is an enlarged schematic view of the second clamping device of FIG. 3 according to the present utility model;
fig. 6 is a schematic diagram showing a front end side sectional structure of the second clamping device in the present utility model.
In the figure: 1 base, 2 support rods, 3 frame boxes, 4 first clamping devices, 5 second clamping devices, 6 grooves, 7 threaded rods, 8 bearing I, 9 driving motors, 10 sliding grooves, 11 sliding rods, 12 threaded blocks I, 13 sliding blocks, 14 through holes, 15 frames, 16 screws, 17 handles I, 18 pressing plates, 19 bearing II, 20 sliding grooves I, 21 sliding rods I, 22 sliding blocks I, 23 rectangular cavities, 24 bidirectional screws, 25 bearing III, 26 handles II, 27 threaded blocks II, 28L-shaped grooves, 29L-shaped blocks, 30 clamping rods, 31 friction plates, 32 rectangular grooves, 33 sliding grooves II, 34 sliding rods II and 35 sliding blocks II.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 6, the present embodiment provides a physical stretching experiment device, including a base 1, a frame box 3 is provided above the base 1, two sides of the lower end of the frame box 3 are fixedly connected with the upper end of the base 1 through a supporting rod 2, a first clamping mechanism 4 is provided at one end of the inner side of the frame box 3, a second clamping mechanism 5 is provided at the other end of the inner side of the frame box 3, the second clamping mechanism 5 has the same structure as the first clamping mechanism 4, and a driving device is provided at the bottom end of the second clamping mechanism 5 in the frame box 3; preferably, the frame box 3 is conveniently supported on the base 1 through being provided with the support rod 2, the second clamping mechanism 5 and the first clamping mechanism 4 are conveniently installed through being provided with the frame box 3, the second clamping mechanism 5 and the first clamping mechanism 4 are conveniently stretched in the frame box 3 through being provided with the driving device, and the two ends of an object are conveniently clamped and fixed through being provided with the second clamping mechanism 5 and the first clamping mechanism 4.
Further, the driving device comprises a groove 6 transversely formed in the center of the inner bottom of the frame box 3, a threaded rod 7 is arranged between two inner side ends of the groove 6, bearings I8 are respectively arranged at two side ends of the threaded rod 7 in two side ends of the frame box 3, a driving motor 9 is arranged at one end of the threaded rod 7 extending to the outer side of the frame box 3 in a penetrating mode, and a threaded block I12 is arranged on the threaded rod 7 in the groove 6 in a threaded mode; preferably, the driving motor 9 is started to conveniently drive the threaded rod 7 to rotate, the threaded rod 7 is rotated to conveniently drive the first threaded block 12 to move in the groove 6, and the first bearing 8 is arranged to conveniently rotate the threaded rod 7 in the groove 6.
Further, the front end and the rear end of the groove 6 are respectively transversely provided with a sliding groove 10 on the inner bottom of the frame box 3, sliding rods 11 are respectively arranged between the two inner side ends of the two sliding grooves 10, sliding blocks 13 are respectively arranged on the two sliding rods 11 in a sliding manner in the two sliding grooves 10, and the top of a first threaded block 12 and the top of the two sliding blocks 13 are connected with the bottom end of the second clamping mechanism 5; preferably, the first threaded block 12 moves in the groove 6 to conveniently drive the second clamping mechanism 5 to move and stretch in the frame box 3, the second clamping mechanism 5 moves to conveniently drive the two sliding blocks 13 to slide on the two sliding rods 11 respectively, so that the stability of the movement of the second clamping mechanism 5 in the frame box 3 is enhanced, and the two sliding blocks 13 slide conveniently through the two sliding grooves 10.
Further, the second clamping mechanism 5 comprises a frame 15 arranged on the inner bottom of the frame box 3, a screw 16 arranged in the center of the top of the frame 15, a first handle 17 arranged outside the frame 15 at the top of the screw 16, a pressing plate 18 arranged in the frame 15 at the bottom of the screw 16, and a second bearing 19 arranged in the center of the top of the frame 15 at the screw 16; preferably, through being provided with the one end that the frame 15 conveniently placed article, conveniently drive screw rod 16 rotation through rotating handle one 17, screw rod 16 rotates and conveniently drives clamp plate 18 and move down in frame 15, makes things convenient for screw rod 16 to rotate at the top center of frame 15 through being provided with bearing two 19.
Further, the inner side surfaces of the two ends of the frame 15 are respectively provided with a first sliding groove 20, a first sliding rod 21 is arranged between the inner side ends of the two first sliding grooves 20, the two first sliding rods 21 are respectively provided with a first sliding block 22 in a sliding manner in the two first sliding grooves 20, and the two first sliding blocks 22 are respectively connected with the two side ends of the pressing plate 18; preferably, the pressing plate 18 moves downwards in the frame 15 to conveniently drive the first sliding blocks 22 at two ends to slide on the first two sliding bars 21 respectively, so that the stability of the pressing plate 18 moving downwards in the frame 15 is enhanced, and the first two sliding blocks 22 slide on the first two sliding bars 21 respectively conveniently by being provided with the first two sliding grooves 20.
Further, a rectangular cavity 23 is vertically formed in the center of the bottom of the frame 15, a bidirectional screw 24 is arranged between two inner side ends of the rectangular cavity 23, three bearings 25 are respectively arranged at two side ends of the bidirectional screw 24 in the two side ends of the bottom of the frame 15, one end of the bidirectional screw 24 penetrates and extends to the outer side of the frame 15 to be provided with a handle II 26, and two ends of the bidirectional screw 24 are respectively provided with a thread block II 27 in the rectangular cavity 23 in a threaded manner; preferably, the two-way screw 24 is conveniently driven to rotate by rotating the second handle 26, the two-way screw 24 conveniently drives the two threaded blocks 27 to approach each other in the rectangular cavity 23, and the three-way screw 24 is conveniently rotated in the rectangular cavity 23 by being provided with the third bearing 25.
Further, two ends of the rectangular cavity 23 are vertically provided with L-shaped grooves 28 in two ends of the bottom of the frame 15 respectively, two L-shaped blocks 29 are arranged in the two L-shaped grooves 28, one ends of the four L-shaped blocks 29 are connected with two side ends of the two threaded blocks 27 respectively, clamping rods 30 are arranged in the frame 15 at the other ends of the four L-shaped blocks 29, and friction plates 31 are arranged on four end faces, close to each other, of the four clamping rods 30; preferably, the two threaded blocks 27 are mutually close in the rectangular cavity 23, the four clamping rods 30 are conveniently driven to mutually close in the frame 15 by the four L-shaped blocks 29, the four L-shaped blocks 29 conveniently slide in the frame 15 by the two L-shaped grooves 28, and the clamping stability of the clamping rods 30 is further enhanced by the friction plates 31, so that the loosening of articles is effectively prevented.
Further, rectangular grooves 32 are vertically formed in two ends of the pressing plate 18, two clamping rods 30 are respectively arranged in the two rectangular grooves 32 in a sliding mode, two sliding grooves 33 are respectively formed in two ends of the top of the frame 15 in a downward mode, two sliding rods 34 are respectively arranged between two inner side ends of the two sliding grooves 33, two sliding blocks 35 are respectively arranged on the two sliding rods 34 in a sliding mode in the two sliding grooves 33, and the bottoms of the four sliding blocks 35 are respectively connected with the tops of the four clamping rods 30; preferably, the clamping rods 30 are conveniently moved in the pressing plate 18 by being provided with the rectangular grooves 32, the four second sliding blocks 35 are conveniently driven to slide on the two second sliding rods 34 by being close to each other in the frame 15 by the four clamping rods 30, so that the stability of the four clamping rods 30 in moving close to each other in the frame 15 is enhanced, and the four second sliding blocks 35 are conveniently slid on the two second sliding rods 34 by being provided with the two second sliding grooves 33.
Further, a through hole 14 is formed at one side end of the frame box 3 corresponding to the second clamping mechanism 5 relative to the outside of the bidirectional screw 24; preferably, the second clamping mechanism 5 is moved inside the frame box 3 by being provided with a through hole 14, and the bi-directional screw 24 is moved along the through hole 14.
Working principle: when the stretching experiment device is used, the screw 16 is driven to rotate by rotating the first handle 17, the pressing plate 18 is driven to move downwards in the frame 15 by rotating the screw 16, an object to be stretched is fixed on the inner bottom of the frame 15 by moving the pressing plate 18 downwards, then the two-way screw 24 is driven to rotate by rotating the second handle 26, the two-way screw 24 drives the two threaded blocks 27 to approach each other in the rectangular cavity 23, the two threaded blocks 27 approach each other, the four clamping rods 30 are driven to approach each other in the two rectangular grooves 32 by the four L-shaped blocks 29, and the four clamping rods 30 approach each other to clamp the object to be stretched on the inner bottom of the frame 15, so that the objects with different diameters are conveniently clamped and fixed, the application range of the physical stretching experiment device is enlarged, and the object is clamped and fixed by two clamping rods 30 through the pressing plate 18, so that the object is prevented from falling off during stretching.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (9)
1. The utility model provides a physical stretching experimental apparatus, includes base (1), its characterized in that: the top of base (1) is provided with frame case (3), and the lower extreme both sides of frame case (3) all are provided with first fixture (4) through branch (2) with the upper end fixed connection of base (1), the inboard one end of frame case (3), and the inboard other end of frame case (3) is provided with second fixture (5), and the structure of second fixture (5) and first fixture (4) is the same, and the bottom of second fixture (5) is provided with drive arrangement in frame case (3).
2. The physical stretching experiment device according to claim 1, wherein the driving device comprises a groove (6) transversely formed in the center of the inner bottom of the frame box (3), a threaded rod (7) is arranged between two inner side ends of the groove (6), bearings I (8) are respectively arranged at two side ends of the threaded rod (7) in two side ends of the frame box (3), a driving motor (9) is arranged at one end of the threaded rod (7) penetrating and extending to the outer side of the frame box (3), and a thread block I (12) is arranged on the threaded rod (7) in the inner thread of the groove (6).
3. The physical stretching experiment device according to claim 2, wherein the front end and the rear end of the groove (6) are respectively provided with a sliding groove (10) on the inner bottom of the frame box (3) in a transverse mode, sliding rods (11) are arranged between two inner side ends of the two sliding grooves (10), sliding blocks (13) are respectively arranged on the two sliding rods (11) in a sliding mode in the two sliding grooves (10), and the top of the first threaded block (12) and the top of the two sliding blocks (13) are connected with the bottom end of the second clamping mechanism (5).
4. The physical stretching experiment device according to claim 1, wherein the second clamping mechanism (5) comprises a frame (15) arranged on the inner bottom of the frame box (3), a screw (16) is arranged at the top center of the frame (15), a first handle (17) is arranged outside the frame (15) at the top of the screw (16), a pressing plate (18) is arranged in the frame (15) at the bottom of the screw (16), and the screw (16) is arranged in the top center of the frame (15) through a second bearing (19).
5. The physical stretching experimental device according to claim 4, wherein the inner side surfaces of the two ends of the frame (15) are respectively provided with a first sliding groove (20), a first sliding rod (21) is arranged between the inner two side ends of the first sliding grooves (20), the first sliding rods (21) are respectively provided with a first sliding block (22) in a sliding manner in the first sliding grooves (20), and the first sliding blocks (22) are respectively connected with the two side ends of the pressing plate (18).
6. The physical stretching experiment device according to claim 5, wherein the rectangular cavity (23) is vertically formed in the bottom center of the frame (15), a bidirectional screw rod (24) is arranged between two inner side ends of the rectangular cavity (23), three bearings (25) are respectively arranged in two side ends of the bottom of the frame (15), one end of the bidirectional screw rod (24) penetrates through and extends to the outer side of the frame (15) to be provided with a handle II (26), and two ends of the bidirectional screw rod (24) are respectively provided with a thread block II (27) on inner threads of the rectangular cavity (23).
7. The physical stretching experiment device according to claim 6, wherein two ends of the rectangular cavity (23) are respectively provided with an L-shaped groove (28) vertically in two ends of the bottom of the frame (15), two L-shaped blocks (29) are respectively arranged in the two L-shaped grooves (28), one ends of the four L-shaped blocks (29) are respectively connected with two side ends of the two threaded blocks (27), clamping rods (30) are respectively arranged in the frame (15) at the other ends of the four L-shaped blocks (29), and friction plates (31) are respectively arranged on four end faces, close to each other, of the four clamping rods (30).
8. The physical stretching experiment device according to claim 7, wherein rectangular grooves (32) are vertically formed in two ends of the pressing plate (18), two clamping rods (30) are respectively and slidably arranged in the two rectangular grooves (32), two sliding grooves (33) are formed in two ends of the top of the frame (15) downwards, two sliding rods (34) are respectively arranged between two side ends of the two sliding grooves (33), two sliding blocks (35) are respectively and slidably arranged on the two sliding rods (34) in the two sliding grooves (33), and the bottoms of the four sliding blocks (35) are respectively connected with the tops of the four clamping rods (30).
9. The physical stretching experiment device according to claim 1 or 6, wherein a through hole (14) is formed at one side end of the frame box (3) corresponding to the second clamping mechanism (5) relative to the outside of the bidirectional screw (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321530673.9U CN220322910U (en) | 2023-06-15 | 2023-06-15 | Physical stretching experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321530673.9U CN220322910U (en) | 2023-06-15 | 2023-06-15 | Physical stretching experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220322910U true CN220322910U (en) | 2024-01-09 |
Family
ID=89409953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321530673.9U Active CN220322910U (en) | 2023-06-15 | 2023-06-15 | Physical stretching experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220322910U (en) |
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2023
- 2023-06-15 CN CN202321530673.9U patent/CN220322910U/en active Active
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