CN219799078U - Low-temperature impact test device - Google Patents
Low-temperature impact test device Download PDFInfo
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- CN219799078U CN219799078U CN202320974768.3U CN202320974768U CN219799078U CN 219799078 U CN219799078 U CN 219799078U CN 202320974768 U CN202320974768 U CN 202320974768U CN 219799078 U CN219799078 U CN 219799078U
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- sleeve
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- 238000009863 impact test Methods 0.000 title claims abstract description 25
- 238000012360 testing method Methods 0.000 claims abstract description 27
- 210000001503 joint Anatomy 0.000 claims abstract description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to the technical field of low-temperature impact experiments, in particular to a low-temperature impact test device, which comprises a test plate, a sleeve plate and an impact assembly, wherein a placing groove is formed in the center of the top end of the test plate, the sleeve plate is sleeved with the top side of the test plate, a through hole is formed in the center of the sleeve plate, the impact assembly is connected with the center of the top end of the sleeve plate, the impact assembly comprises a base which is in butt joint with the center of the top end of the sleeve plate and hollow in the interior, and a cylinder body which is formed at the top end of the base in an extending mode, a baffle disc is transversely inserted at a certain height of the cylinder body in a sliding mode, one side of the sleeve plate is detachably connected with a limiting plate, one side, close to the cylinder body, of the limiting plate is slidably provided with a sliding plate, the bottom end of the sliding plate is connected with a chuck, and the top end of the sliding plate is detachably connected with the baffle disc. According to the utility model, the sample in the placing groove is impacted by the impact object falling along with gravity, so that the problems that the surface of the sample is liquefied and the resistance is influenced by the change of air flow in the cylinder due to air circulation are avoided, and the test board, the sleeve board and the cylinder are in a communicated state under the premise of not influencing a quick impact test.
Description
Technical Field
The utility model relates to the technical field of low-temperature impact experiments, in particular to a low-temperature impact test device.
Background
The high-low temperature impact test is a necessary test experiment item in the material industries such as metal, plastic, rubber, electronics and the like, is used for testing the tolerance of a material structure or a composite material in a continuous environment subjected to extremely high temperature and extremely low temperature, so that the chemical change or physical damage of a sample caused by expansion caused by heat and contraction caused by cold can be detected in a short time, particularly, the high-low temperature impact test is necessary for an electronic product, the electronic product is required to be tested to finally form what aging degree after the electronic product is subjected to the high-low temperature environmental change, in the existing low temperature impact test, a test sample placed at a certain position is generally impacted by an impact block with a spherical end part, the impact result is judged by observing whether the sample is cracked or broken, in the specific impact process, a test sample piece with the size of 200mm multiplied by 200nm is generally cut and taken out from a finished product piece, the test piece is placed in a freezing box at the temperature of minus 30 ℃ plus or minus 2 ℃ for 3 hours, a ball body with the impact object with the head of 450g is impacted for 25mm, and the test piece is taken out from the freezing box for 5 seconds.
In the existing low-temperature impact test device, a sample is generally taken out and placed in a placing groove, an impact object is placed in a barrel at a certain height in advance, then the impact object is unlocked and impacted by gravity, but after the sample is placed in the placing groove, a test plate, a sleeve plate and the barrel are in a communicating state, the surface of the sample in a low-temperature state can be liquefied due to air contact, so that the surface temperature of the sample changes, the air in a communicating space is liquefied due to air liquefaction in the communicating space, the air flow in the communicating space changes obviously, the resistance of the impact object in the descending process can be disturbed, the weight of the impact object loses the reference value, and the impact test result is affected.
Therefore, it is necessary to invent a low temperature impact test apparatus to solve the above problems.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model aims to provide a low-temperature impact test device, which solves the problems that after a sample is placed in a placing groove, a test plate, a sleeve plate and a cylinder are in a communicating state in the prior art, the surface of the sample in the low-temperature state can be liquefied due to air contact, so that the surface temperature of the sample is changed, the air flow in a communicating space is obviously changed due to air liquefaction in the communicating space, the resistance of an impact object in the descending process can be disturbed, the weight of the impact object loses a reference value, and the result of the impact test is influenced.
In order to achieve the above object, the present utility model adopts the following technical scheme:
the low-temperature impact test device comprises a test plate, a sleeve plate and an impact assembly, wherein the center of the top end of the test plate is provided with a placing groove, the sleeve plate is detachably sleeved with the top side of the test plate, the center of the sleeve plate is provided with a through hole, the impact assembly is detachably connected with the center of the top end of the sleeve plate, the impact assembly comprises a base which is detachably abutted to the center of the top end of the sleeve plate and hollow in the interior, and a cylinder body which is formed at the top end of the base in an extending mode, a retaining disc is transversely inserted at a certain height in a sliding mode, one side of the sleeve plate is detachably connected with a limiting plate, one side, close to the cylinder body, of the limiting plate is slidably provided with a sliding plate, the bottom end of the sliding plate is connected with a chuck, and the top end of the sliding plate is detachably connected with the retaining disc;
when the sliding plate slides to be abutted with the limiting plate, the chuck completely opens the through hole and the baffle plate completely opens the vertical impact space of the cylinder body.
As a preferable scheme of the utility model, the top end of the sleeve plate is provided with the clamping groove, a first guide rod is detachably embedded in the clamping groove, the other end of the first guide rod is in butt joint with one side of the limiting plate, the bottom end of the sliding plate is connected with the sliding seat, the sliding seat is transversely sleeved on the first guide rod in a sliding manner, and one side of the sliding seat is detachably connected with the peripheral side wall of the chuck through the connecting rod.
As a preferable scheme of the utility model, a second guide rod is detachably connected between the limiting plate and the cylinder body, and the sliding plate is transversely sleeved on the second guide rod in a sliding manner.
As a preferable scheme of the utility model, a through groove for the chuck to transversely slide is formed on one side of the base close to the sleeve plate, sliding grooves are formed on the base at symmetrical positions of the through groove, and sliding blocks capable of transversely sliding along the sliding grooves are detachably connected at symmetrical positions of the side wall of the periphery of the chuck.
As a preferable scheme of the utility model, one side of the sliding plate far away from the cylinder body is connected with a drawing frame.
As a preferable scheme of the utility model, the top end of the sliding plate is detachably connected with the baffle disc through the connecting plate.
In the technical scheme, the utility model has the technical effects and advantages that:
according to the utility model, the position of the impact object in the cylinder body is locked through the baffle disc, the through holes are blocked through the chuck to isolate the communication state among the test board, the sleeve board and the cylinder body, meanwhile, the chuck can be used for well sealing the test sample in the placing groove, the conditions of sample surface liquefaction and air flow change in the circulating space caused by air circulation are avoided, when an impact test is needed, the chuck and the baffle disc can be simultaneously pulled out only by transversely pulling the sliding plate to be abutted with the limiting plate, and then the vertical impact space of the cylinder body and the through holes in the sleeve board are opened, so that the impact object falls along with gravity to impact the sample in the placing groove, the communication state among the test board, the sleeve board and the cylinder body is quickly closed on the premise of not affecting the quick impact test, and the problems of sample surface liquefaction caused by air circulation, influence of air flow change in the cylinder body on resistance and the like are avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic plan elevation view of the present utility model;
FIG. 3 is a schematic plan top view of the present utility model;
FIG. 4 is a schematic view of the cross-sectional structure of the portion A-A of FIG. 2 according to the present utility model;
FIG. 5 is a schematic view showing a cross-sectional structure at B-B in FIG. 3 according to the present utility model.
Reference numerals illustrate:
1. a test plate; 2. a placement groove; 3. a sleeve plate; 4. a through hole; 5. an impact assembly; 6. a base; 7. a cylinder; 8. a clamping groove; 9. a first guide bar; 10. a limiting plate; 11. a slide; 12. a connecting rod; 13. a chuck; 14. a second guide bar; 15. a slide plate; 16. a drawing frame; 17. a connecting plate; 18. a baffle disc; 19. a through groove; 20. a chute; 21. a sliding block.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
The utility model provides a low-temperature impact test device as shown in figures 1-5, which comprises a test board 1, a sleeve board 3 and an impact assembly 5, wherein the center of the top end of the test board is provided with a placing groove 2, the sleeve board 3 is detachably sleeved with the top side of the test board 1, the center of the sleeve board is provided with a through hole 4, the impact assembly 5 is detachably connected with the center of the top end of the sleeve board 3, the impact assembly 5 comprises a base 6 which is detachably abutted with the center of the top end of the sleeve board 3 and is hollow in the interior, and a cylinder 7 which is formed at the top end of the base 6 in an extending manner, a baffle disc 18 is transversely and slidably inserted at a certain height of the cylinder 7, one side of the sleeve board 3 is detachably connected with a limiting board 10, one side of the limiting board 10, which is close to the cylinder 7, is slidably provided with a slide plate 15, the bottom end of the slide plate 15 is connected with a chuck 13, and the top end of the slide plate 15 is detachably connected with the baffle disc 18;
when the slide plate 15 slides to abut against the limiting plate 10, the chuck 13 completely opens the through hole 4 and the stopper 18 completely opens the vertical impact space of the cylinder 7.
The draw-in groove 8 has been seted up on the cover plate 3 top, can dismantle in the draw-in groove 8 and inlay and have had first guide arm 9, first guide arm 9 other end and limiting plate 10 one side butt, slide 15 bottom is connected with slide 11, slide 11 horizontal slip cover locates first guide arm 9, slide 11 one side can dismantle with chuck 13 week lateral wall through connecting rod 12 and be connected, can drive slide 11 and follow first guide arm 9 horizontal slip through pull slide 15, and then drive chuck 13 horizontal slip through connecting rod 12 and decide whether open through-hole 4.
The second guide rod 14 is detachably connected between the limiting plate 10 and the cylinder 7, the sliding plate 15 is transversely sleeved on the second guide rod 14 in a sliding mode, and the sliding plate 15 transversely slides along the second guide rod 14 all the time in the drawing process, so that the transverse movement of the sliding plate 15 is limited.
The base 6 is close to one side of the sleeve plate 3 and is provided with a through groove 19 for the chuck 13 to transversely slide, the base 6 is provided with sliding grooves 20 at symmetrical positions of the through groove 19, sliding blocks 21 capable of transversely sliding along the sliding grooves 20 are detachably connected at symmetrical positions of the peripheral side walls of the chuck 13, and in the process that the chuck 13 transversely slides along the through groove 19 to change positions, the sliding blocks 21 transversely slide along the sliding grooves 20 to limit the sliding of the chuck 13.
The side of the slide plate 15 far away from the cylinder 7 is connected with a drawing frame 16, and the drawing frame 16 is manually held to realize the transverse movement of the slide plate 15.
The top of the sliding plate 15 is detachably connected with the baffle disc 18 through the connecting plate 17, the connecting plate 17 can conveniently detachably connect the baffle disc 18 with the sliding plate 15, when the sliding seat 11 is abutted with one end of the clamping groove 8, the baffle disc 18 completely seals the vertical impact space in the cylinder 7, and the chuck 13 is positioned in the through hole 4 on the middle sealing sleeve plate 3 of the base 6.
According to the utility model, the position of an impact object in the cylinder 7 is locked through the baffle disc 18, the through holes 4 are blocked through the chuck 13 to isolate the communication state among the test board 1, the sleeve board 3 and the cylinder 7, meanwhile, a test sample can be well sealed in the placing groove 2 through the chuck 13, the condition that the surface of the sample is liquefied and the air flow in the circulation space is changed due to air circulation is avoided, when an impact test is required, the chuck 13 and the baffle disc 18 can be simultaneously pulled out only by transversely pulling the slide plate 15 to be abutted against the limiting plate 10, and then the vertical impact space of the cylinder 7 and the through holes 4 in the sleeve board 3 are opened, so that the impact object falls along with gravity to impact the sample in the placing groove 2, the communication state among the test board 1, the sleeve board 3 and the cylinder 7 is quickly closed on the premise that the impact test is not influenced, and the problems of the surface liquefaction of the sample caused by the air circulation and the influence of the air flow change in the cylinder 7 on resistance are avoided.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (6)
1. The low temperature impact test device is characterized in that: the test board (1) with the standing groove (2) is arranged in the center of the top end, the sleeve board (3) with the through hole (4) is detachably sleeved on the top side of the test board (1) and the impact assembly (5) which is detachably connected to the center of the top end of the sleeve board (3), the impact assembly (5) comprises a base (6) which is detachably abutted to the center of the top end of the sleeve board (3) and is hollow inside and a barrel (7) which is formed at the top end of the base (6) in an extending mode, a baffle disc (18) is transversely and slidably inserted at a certain height of the barrel (7), a limiting plate (10) is detachably connected to one side of the sleeve board (3), a sliding plate (15) is slidably arranged on one side, close to the barrel (7), of the limiting plate (10), the bottom end of the sliding plate (15) is connected with a chuck (13), and the top end of the sliding plate (15) is detachably connected with the baffle disc (18).
When the sliding plate (15) slides to be abutted with the limiting plate (10), the chuck (13) completely opens the through hole (4) and the baffle disc (18) completely opens the vertical impact space of the cylinder body (7).
2. The low temperature impact test apparatus according to claim 1, wherein: the clamping groove (8) is formed in the top end of the sleeve plate (3), the first guide rod (9) is detachably embedded in the clamping groove (8), the other end of the first guide rod (9) is in butt joint with one side of the limiting plate (10), the bottom end of the sliding plate (15) is connected with the sliding seat (11), the sliding seat (11) is transversely sleeved on the first guide rod (9) in a sliding manner, and one side of the sliding seat (11) is detachably connected with the peripheral side wall of the chuck (13) through the connecting rod (12).
3. The low temperature impact test apparatus according to claim 2, wherein: a second guide rod (14) is detachably connected between the limiting plate (10) and the cylinder body (7), and the sliding plate (15) is transversely sleeved on the second guide rod (14) in a sliding mode.
4. The low temperature impact test apparatus according to claim 1, wherein: the base (6) is close to one side of the sleeve plate (3) and is provided with a through groove (19) for the chuck (13) to transversely slide, sliding grooves (20) are formed in symmetrical positions of the through groove (19) of the base (6), and sliding blocks (21) capable of transversely sliding along the sliding grooves (20) are detachably connected to symmetrical positions of the side walls of the periphery of the chuck (13).
5. The low temperature impact test apparatus according to claim 1, wherein: one side of the sliding plate (15) far away from the cylinder body (7) is connected with a drawing frame (16).
6. The low temperature impact test apparatus according to claim 1, wherein: the top end of the sliding plate (15) is detachably connected with the baffle disc (18) through a connecting plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320974768.3U CN219799078U (en) | 2023-04-26 | 2023-04-26 | Low-temperature impact test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320974768.3U CN219799078U (en) | 2023-04-26 | 2023-04-26 | Low-temperature impact test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219799078U true CN219799078U (en) | 2023-10-03 |
Family
ID=88158172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320974768.3U Active CN219799078U (en) | 2023-04-26 | 2023-04-26 | Low-temperature impact test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219799078U (en) |
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2023
- 2023-04-26 CN CN202320974768.3U patent/CN219799078U/en active Active
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