CN218381518U - Fixing mechanism for high-speed impact testing machine - Google Patents
Fixing mechanism for high-speed impact testing machine Download PDFInfo
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- CN218381518U CN218381518U CN202222217234.4U CN202222217234U CN218381518U CN 218381518 U CN218381518 U CN 218381518U CN 202222217234 U CN202222217234 U CN 202222217234U CN 218381518 U CN218381518 U CN 218381518U
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- 238000009863 impact test Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 title claims description 13
- 230000000670 limiting effect Effects 0.000 claims abstract description 50
- 239000011241 protective layer Substances 0.000 claims abstract description 16
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 abstract description 5
- 230000009977 dual effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a fixed establishment for high-speed impact test machine relates to fixed establishment technical field, including strikeing platform, double-screw bolt and arc holder, strikeing platform surface both sides and having seted up the spacing groove respectively, the spacing inslot portion is provided with the two-way threaded rod, and two-way threaded rod surface both sides are connected with the slider respectively, and first mounting hole, double-screw bolt top fixedly connected with rotating head have been seted up respectively to the slider upper surface. The utility model discloses simple structure, convenient to use can carry out dual fixed to the object to be tested of not unidimensional through adjusting the position of arc holder and limiting plate, adjusts the arc holder to suitable height according to the height of the object to be tested when in actual use, improves clamping stability greatly; the protective layer is arranged on the clamping surfaces of the arc-shaped clamping piece and the limiting plate to protect the object to be tested, and the extrusion force of the limiting plate to the object to be tested is controlled through the pressure sensor, so that the surface of the object to be tested is prevented from being damaged.
Description
Technical Field
The utility model relates to a fixed establishment technical field particularly, relates to a fixed establishment for high-speed impact test machine.
Background
The impact test is a test method for determining the safety, reliability and effectiveness of the products when the military and civil equipment is subjected to external force impact or action, and when the high-speed impact test is carried out on an object, the object needs to be fixed on a test bench through a fixing mechanism, so that the object is prevented from shifting in the test process and influencing the impact test result.
However, when the existing fixing mechanism for the impact test is used, the clamping width can be adjusted only to adapt to objects with different lengths and widths, the height of the clamping piece is fixed and cannot be adjusted, and objects to be tested with different heights can be clamped only at the fixed height, so that the fixing effect on the objects is poor, and the stability of the objects to be tested cannot be ensured when the height of the objects is large and the testing impact force is large; when the fixing mechanism for the impact test is used for limiting and fixing an object, the extrusion force of the clamping piece on the object is difficult to control, and the object to be tested is easily crushed due to overlarge force.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the problem among the correlation technique, the utility model provides a fixed establishment for high-speed impact test machine to overcome the above-mentioned technical problem that current correlation technique exists.
The technical scheme of the utility model is realized like this:
the utility model provides a fixed establishment for high-speed impact test machine, includes strikes platform, double-screw bolt and arc holder, strike platform surface both sides and seted up the spacing groove respectively, two the spacing inslot portion is linked together, the spacing inslot portion is provided with the two-way threaded rod, two-way threaded rod surface both sides are connected with the slider respectively, first mounting hole has been seted up respectively to the slider upper surface, double-screw bolt top fixedly connected with rotating head, the double-screw bolt bottom with first mounting hole inner wall normal running fit, the arc holder outside is provided with the connecting block respectively, the connecting block surface runs through and is provided with the screw, the screw with the double-screw bolt spiro union.
Furthermore, the upper surface of the sliding block is fixedly connected with a limiting screw rod respectively, a first through hole penetrates through the surface of the connecting block, and the limiting screw rod is in sliding fit with the inner wall of the first through hole.
Further, the arc holder both ends are provided with the connecting seat respectively, the second mounting hole has been seted up to the connecting seat medial surface, be provided with the cylinder in the second mounting hole, the stiff end of cylinder with second mounting hole inner wall fixed connection, the expansion end fixedly connected with limiting plate of cylinder.
Further, the clamping face surface of the inner side of the arc-shaped clamping piece is provided with a first protective layer respectively, the clamping face surface of the limiting plate is provided with a second protective layer respectively, and a pressure sensor is arranged in the second protective layer.
Furthermore, the middle part of the bidirectional thread of the bidirectional threaded rod is provided with a limiting column, the two ends of the limiting groove are respectively provided with a second through hole in a penetrating manner, and the two ends of the bidirectional threaded rod are respectively provided with a second through hole in a penetrating manner and a crank fixedly connected with the second through hole.
Furthermore, the matching positions of the bottom end of the stud and the inner wall of the first mounting hole are respectively provided with a first bearing, and the matching positions of the two ends of the bidirectional threaded rod and the inner wall of the second through hole are respectively provided with a second bearing.
The utility model has the advantages that: with the help of the technical scheme of the utility model, when the fixing mechanism is used for fixing the object to be subjected to high-speed impact test, the object to be tested is placed on the upper surface of the impact table, the rotating head is twisted to drive the stud to rotate, so that the connecting block drives the arc-shaped clamping piece to move up and down, and the arc-shaped clamping piece is adjusted to almost the middle position of the object to be tested according to the height of the object to be tested; shaking the crank to drive the bidirectional threaded rod to rotate, so that the two sliding blocks are close to each other, and further driving the two arc-shaped clamping pieces to be close to each other until the inner clamping surfaces of the arc-shaped clamping pieces are in moderate contact with an object to be tested; the air cylinders respectively drive the limiting plates to move, the pressure sensors detect the pressure on the surfaces of the limiting plates in real time, when the pressure reaches a certain value, the air cylinders stop working to prevent the limiting plates from crushing objects to be tested, and the objects to be tested are stable and limited under the double fixation of the arc-shaped clamping pieces and the limiting plates. The utility model discloses simple structure, convenient to use can carry out dual fixed to the object to be tested of not unidimensional through adjusting the position of arc holder and limiting plate, adjusts the arc holder to suitable height according to the height of the object to be tested when in actual use, improves clamping stability greatly; the protective layer is arranged on the clamping surfaces of the arc-shaped clamping piece and the limiting plate to protect the object to be tested, and the extrusion force of the limiting plate to the object to be tested is controlled through the pressure sensor, so that the surface of the object to be tested is prevented from being damaged.
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 an embodiment of the present invention;
fig. 2 is an exploded schematic view of an impact table according to an embodiment of the present invention;
fig. 3 is an exploded view of an arcuate clamp according to an embodiment of the present invention;
fig. 4 is according to the utility model discloses limiting plate structure schematic diagram.
In the figure:
1. an impact table; 2. a limiting groove; 3. a bidirectional threaded rod; 4. a slider; 5. a first mounting hole; 6. a stud; 7. rotating the head; 8. an arc-shaped clamping piece; 9. connecting blocks; 10. a screw hole; 11. a limiting screw rod; 12. a first through hole; 13. a connecting seat; 14. a second mounting hole; 15. a cylinder; 16. a limiting plate; 17. a first protective layer; 18. a second protective layer; 19. a pressure sensor; 20. a limiting column; 21. a second through hole; 22. a crank handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
According to the utility model discloses an embodiment provides a fixed establishment for high-speed impact test machine.
As shown in fig. 1-4, according to the utility model discloses a fixed establishment for high-speed impact test machine, including strikeing platform 1, double-screw bolt 6 and arc holder 8, strikeing 1 surperficial both sides of platform and seted up spacing groove 2 respectively, two 2 inside spacing grooves are linked together, 2 inside two-way threaded rod 3 that are provided with of spacing groove, 3 surperficial both sides of two-way threaded rod are connected with slider 4 respectively, first mounting hole 5 has been seted up respectively to slider 4 upper surface, 6 top fixedly connected with rotating head 7 of double-screw bolt, 6 bottoms of double-screw bolt and 5 inner wall normal running fit of first mounting hole, the arc holder 8 outside is provided with connecting block 9 respectively, connecting block 9 surface runs through and is provided with screw 10, screw 10 and the spiro union of double-screw bolt 6.
In one embodiment, for the above-mentioned slider 4, the upper surface of the slider 4 is fixedly connected with the limiting screw rod 11 respectively, the surface of the connecting block 9 is provided with the first through hole 12 in a penetrating manner, the limiting screw rod 11 is in sliding fit with the inner wall of the first through hole 12, so that when the rotating head 7 is screwed to drive the stud 6 to rotate, since the limiting screw rod 11 is in sliding fit with the first through hole 12 to produce a limiting effect on the connecting block 9, the connecting block 9 drives the arc-shaped clamping member 8 to move up and down, and the direction of the arc-shaped clamping member 8 is unchanged, and further the height of the arc-shaped clamping member 8 is changed, and the to-be-tested objects with different heights can be stably clamped conveniently.
In an embodiment, for the above arc-shaped clamping piece 8, two ends of the arc-shaped clamping piece 8 are respectively provided with a connecting seat 13, a second mounting hole 14 is formed in the inner side surface of the connecting seat 13, an air cylinder 15 is arranged in the second mounting hole 14, the fixed end of the air cylinder 15 is fixedly connected with the inner wall of the second mounting hole 14, and a movable end of the air cylinder 15 is fixedly connected with a limiting plate 16, so that the limiting plate 16 is driven by the air cylinder 15 to move, the clamping surface of the limiting plate 16 is in close contact with the side surface of the object to be tested, the object to be tested is fixed by the two arc-shaped clamping pieces 8, and is limited by the four limiting plates 16, and the limiting effect is good.
In an embodiment, for the arc-shaped clamping member 8, the first protective layers 17 are respectively disposed on the surfaces of the inner side clamping surfaces of the arc-shaped clamping member 8, the second protective layers 18 are respectively disposed on the surfaces of the clamping surfaces of the limiting plates 16, and the pressure sensors 19 are disposed in the second protective layers 18, so as to protect the object to be tested by disposing the first protective layers 17 and the second protective layers 18, thereby preventing the surface of the object to be tested from being damaged due to stress, and the pressure sensors 19 can detect the pressure applied to the surface of the limiting plate 16 in real time during the moving process of the limiting plate 16, when the pressure reaches a certain value, it is indicated that the extrusion force of the limiting plate 16 on the surface of the object to be tested is enough, and then the air cylinder 15 stops working, thereby preventing the limiting plate 16 from crushing the object to be tested.
In one embodiment, for the above-mentioned two-way threaded rod 3, the two-way thread middle part of the two-way threaded rod 3 is provided with the spacing post 20, the two ends of the spacing groove 2 are respectively provided with the second through hole 21 in a penetrating manner, the two ends of the two-way threaded rod 3 are respectively provided with the second through hole 21 and the crank 22 in a penetrating manner, the crank 22 is shaken to drive the two-way threaded rod 3 to rotate, the two sliders 4 can be driven to be away from or close to each other, and then the two arc-shaped clamping pieces 8 are driven to be away from or close to each other, so that the positions of the arc-shaped clamping pieces 8 can be conveniently adjusted.
In one embodiment, for the stud 6, a first bearing is respectively arranged at the matching position of the bottom end of the stud 6 and the inner wall of the first mounting hole 5, and a second bearing is respectively arranged at the matching position of the two ends of the bidirectional threaded rod 3 and the inner wall of the second through hole 21, so that the abrasion of the device assembly can be reduced by arranging the first bearing and the second bearing.
In summary, with the aid of the above technical solution of the present invention, when the fixing mechanism is used to fix an article to be subjected to high-speed impact testing, an object to be tested is placed on the upper surface of the impact table 1, the rotating head 7 is twisted to drive the stud 6 to rotate, so that the connecting block 9 drives the arc-shaped clamping member 8 to move up and down, and the arc-shaped clamping member 8 is adjusted to a middle position of the object to be tested as much as possible according to the height of the object to be tested; shaking the crank 22 to drive the bidirectional threaded rod 3 to rotate, so that the two sliding blocks 4 are close to each other, and further the two arc-shaped clamping pieces 8 are driven to be close to each other until the inner side clamping surfaces of the arc-shaped clamping pieces 8 are properly contacted with an object to be tested; the air cylinders 15 respectively drive the limiting plates 16 to move, the pressure sensors 19 detect the pressure on the surfaces of the limiting plates 16 in real time, when the pressure reaches a certain value, the air cylinders 15 stop working to prevent the limiting plates 16 from crushing the object to be tested, and the object to be tested is stable and limited under the double fixation of the arc-shaped clamping pieces 8 and the limiting plates 16.
Has the advantages that: the utility model discloses simple structure, convenient to use can carry out dual fixed to the object to be tested of not unidimensional through adjusting the position of arc holder and limiting plate, adjusts the arc holder to suitable height according to the height of the object to be tested when in actual use, improves clamping stability greatly; the protective layer is arranged on the clamping surfaces of the arc-shaped clamping piece and the limiting plate to protect the object to be tested, and the extrusion force of the limiting plate to the object to be tested is controlled through the pressure sensor, so that the surface of the object to be tested is prevented from being damaged.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A securing mechanism for a high speed impact testing machine, comprising: strike platform (1), double-screw bolt (6) and arc holder (8), its characterized in that, strike platform (1) surface both sides and seted up spacing groove (2) respectively, two spacing groove (2) inside is linked together, spacing groove (2) inside is provided with two-way threaded rod (3), two-way threaded rod (3) surface both sides are connected with slider (4) respectively, first mounting hole (5) have been seted up respectively to slider (4) upper surface, double-screw bolt (6) top fixedly connected with rotating head (7), double-screw bolt (6) bottom with first mounting hole (5) inner wall normal running fit, arc holder (8) outside is provided with connecting block (9) respectively, connecting block (9) surface runs through and is provided with screw (10), screw (10) with double-screw bolt (6) spiro union.
2. The fixing mechanism for the high-speed impact testing machine according to claim 1, wherein a limiting screw rod (11) is fixedly connected to the upper surface of each of the sliders (4), a first through hole (12) is formed in the surface of the connecting block (9) in a penetrating manner, and the limiting screw rod (11) is in sliding fit with the inner wall of the first through hole (12).
3. The fixing mechanism for the high-speed impact testing machine according to claim 1, wherein two ends of the arc-shaped clamping member (8) are respectively provided with a connecting seat (13), a second mounting hole (14) is formed in an inner side surface of the connecting seat (13), an air cylinder (15) is arranged in the second mounting hole (14), a fixed end of the air cylinder (15) is fixedly connected with an inner wall of the second mounting hole (14), and a movable end of the air cylinder (15) is fixedly connected with a limiting plate (16).
4. The fixing mechanism for the high-speed impact testing machine according to claim 3, wherein the inner side clamping surface surfaces of the arc-shaped clamping pieces (8) are respectively provided with a first protective layer (17), the clamping surface surfaces of the limiting plates (16) are respectively provided with a second protective layer (18), and the second protective layers (18) are internally provided with pressure sensors (19).
5. The fixing mechanism for the high-speed impact testing machine is characterized in that a limiting column (20) is arranged in the middle of a bidirectional thread of the bidirectional threaded rod (3), a second through hole (21) is respectively formed at two ends of the limiting groove (2), and a crank (22) is fixedly connected to two ends of the bidirectional threaded rod (3) and respectively penetrates through the second through hole (21).
6. The fixing mechanism for the high-speed impact testing machine according to claim 5, wherein a first bearing is respectively arranged at the matching position of the bottom end of the stud (6) and the inner wall of the first mounting hole (5), and a second bearing is respectively arranged at the matching position of the two ends of the bidirectional threaded rod (3) and the inner wall of the second through hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222217234.4U CN218381518U (en) | 2022-08-22 | 2022-08-22 | Fixing mechanism for high-speed impact testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222217234.4U CN218381518U (en) | 2022-08-22 | 2022-08-22 | Fixing mechanism for high-speed impact testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218381518U true CN218381518U (en) | 2023-01-24 |
Family
ID=84969076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222217234.4U Expired - Fee Related CN218381518U (en) | 2022-08-22 | 2022-08-22 | Fixing mechanism for high-speed impact testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218381518U (en) |
-
2022
- 2022-08-22 CN CN202222217234.4U patent/CN218381518U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |