CN215065717U - Novel two-box type impact test box - Google Patents
Novel two-box type impact test box Download PDFInfo
- Publication number
- CN215065717U CN215065717U CN202121608342.3U CN202121608342U CN215065717U CN 215065717 U CN215065717 U CN 215065717U CN 202121608342 U CN202121608342 U CN 202121608342U CN 215065717 U CN215065717 U CN 215065717U
- Authority
- CN
- China
- Prior art keywords
- box
- test
- temperature
- partition plate
- horizontal partition
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a novel two box impact test casees, this proof box includes: a box body; the box body is divided into a test area and a temperature control area by a vertical partition plate in the box body; a first horizontal partition plate and a second horizontal partition plate are arranged in the test area to form a high-temperature test cavity, a low-temperature test cavity and a power cavity; the first horizontal partition plate is provided with a rectangular through hole, and a non-rotatable rectangular test frame is arranged at the rectangular through hole; the second horizontal partition plate is provided with a round hole with the size smaller than that of the second sealing plate, a cylinder is arranged in the round hole, and an internal thread is arranged in the cylinder; the upper end of the cylinder is fixed on the bottom surface of the rectangular test frame; the power cavity is internally fixed with a motor, an output shaft of the motor is connected with a threaded rod, and the threaded rod is screwed into the cylinder. The test box is provided with a high-temperature preheating box and a low-temperature preheating box, and can realize rapid temperature change when a test article is subjected to a cold and hot impact test.
Description
Technical Field
The utility model relates to an article performance detects technical field, especially relates to a novel two box impact test casees.
Background
The cold and hot impact test is used for evaluating the adaptability of the product to the rapid change of the ambient temperature, is an indispensable test in an identification test of equipment design and shaping and a routine test of a batch production stage, and can be used for an environmental stress screening test in some cases. The application frequency of the cold and hot impact test box in verifying and improving the environmental adaptability of the equipment is only inferior to that of vibration and high and low temperature tests. In addition, some products for temperature detection need to be rapidly switched between high-temperature and low-temperature environments during use; when the existing cold and hot impact test box is used for testing the products, the high temperature and the low temperature change too slowly, so that the use conditions of the products cannot be simulated better, and the obtained data cannot better realize the performance of the reactor.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists, the utility model provides a novel two box impact test casees, this proof box are equipped with high temperature preheating cabinet and low temperature precooling cabinet, when carrying out cold and hot shock test to the test article, can realize the quick change of temperature.
In order to achieve the above purpose, the utility model adopts the following scheme,
a novel two-box impact test chamber, said chamber comprising:
a box body; a vertical partition plate is arranged in the box body, and the vertical partition plate divides the box body into a test area at the front side and a temperature control area at the rear side;
a first horizontal partition plate and a second horizontal partition plate are arranged in the test area, and a high-temperature test cavity, a low-temperature test cavity and a power cavity are sequentially formed in the test area from top to bottom;
the first horizontal partition plate is provided with a vertically through rectangular through hole, a rectangular test frame capable of moving up and down is arranged at the rectangular through hole, and the rectangular test frame cannot rotate;
a first rectangular block is fixed on the top surface of the rectangular test frame, and a first sealing plate is fixed on the first rectangular block; a second rectangular block is fixed on the bottom surface of the rectangular test frame, and a second sealing plate is fixed on the second rectangular block;
the size of the first rectangular block and the size of the second rectangular block are the same as the size of the rectangular through hole; the size of the first sealing plate and the size of the second sealing plate are both larger than that of the rectangular through hole;
the second horizontal partition plate is provided with a round hole with the size smaller than that of the second sealing plate, a cylinder is arranged in the round hole, and an internal thread is arranged in the cylinder; the upper end of the cylinder is fixed on the bottom surface of the second sealing plate;
the power cavity is internally fixed with a motor, an output shaft of the motor is connected with a threaded rod, and the threaded rod is screwed into the cylinder.
Further, the distance between the bottom surface of the first sealing plate and the bottom surface of the second sealing plate is equal to the distance between the top surface of the first horizontal partition plate and the top surface of the second horizontal partition plate; the top surface of the second sealing plate can be tightly attached to the bottom surface of the first horizontal partition plate.
Still further, the length of the cylinder and the length of the threaded rod are both greater than the distance between the first sealing plate and the second sealing plate.
Furthermore, the rectangular test frame is provided with an opening for placing a test article, the box body is provided with a box door, and the box door is positioned on the front side of the high-temperature test chamber.
Furthermore, a third horizontal partition plate and a fourth horizontal partition plate are arranged in the temperature control area, and a high-temperature preheating box is arranged above the third horizontal partition plate; a low-temperature pre-cooling box is arranged below the fourth horizontal partition plate; the high-temperature preheating box is communicated with the high-temperature test cavity through a first air inlet pipeline and a first air outlet pipeline, a first fan is arranged in the first air inlet pipeline, and a second fan is arranged in the first air outlet pipeline; the low-temperature precooling box is communicated with the low-temperature test cavity through a second air inlet pipeline and a second air outlet pipeline, a third fan is arranged in the second air inlet pipeline, and a fourth fan is arranged in the second air outlet pipeline.
Still further, an air refrigerator is arranged below the fourth horizontal partition plate, a cold air outlet of the air refrigerator is communicated with a low-temperature precooling box through a first pipeline, and the low-temperature precooling box is communicated with a cooling inlet of the air refrigerator through a second pipeline; the hot gas outlet of the air refrigerator is communicated with the high-temperature preheating box through a third pipeline, and the high-temperature preheating box is communicated with the heating inlet of the air refrigerator through a fourth pipeline.
Furthermore, a heater is arranged in the high-temperature preheating box.
Still further, a sliding block 0 and an electric telescopic rod are arranged between the third horizontal partition plate and the fourth horizontal partition plate, the electric telescopic rod is fixedly arranged, and the end part of a telescopic pipe of the electric telescopic rod is fixed with the sliding block 0; a first exhaust hole communicated with the high-temperature preheating box is formed right above the sliding block 0, and a second exhaust hole communicated with the low-temperature preheating box is formed right below the sliding block 0; an exhaust fan is arranged on the side wall of the box body and is positioned between the third horizontal partition plate and the fourth horizontal partition plate; limiting plates are arranged on two sides of the sliding block 0
When the testing box is used, the motor firstly lifts the rectangular testing frame into the high-temperature testing cavity, places a test article in the rectangular testing frame, and closes the box door; starting an air refrigerating machine, cooling the air in the low-temperature pre-cooling box by the air refrigerating machine, and simultaneously heating the air in the high-temperature pre-cooling box by heat generated by refrigeration; meanwhile, the heater can be opened, so that the air in the high-temperature preheating box is quickly heated; starting the first fan and the second fan to enable the high-temperature preheating box and the high-temperature test cavity to perform air circulation, and rapidly increasing the temperature of the high-temperature test cavity to the test temperature; when the high-temperature test is finished, the motor drives the rectangular test frame to descend to the low-temperature test chamber, the third fan and the fourth fan are started, the low-temperature test chamber and the low-temperature pre-cooling box form air circulation, and the temperature in the low-temperature test chamber can be quickly reduced to the test temperature; after the low-temperature test is finished, the motor lifts the rectangular test frame to the high-temperature test cavity again; the above process is repeated, and the cold and hot impact test can be completed on the test article.
The utility model has the advantages of: 1) the impact test box of the utility model can carry out cold and hot impact test on the test article; 2) be equipped with high temperature preheating cabinet and low temperature precooling case in the impact test case, can carry out quick intensification and cooling to the test chamber, can simulate out the actual work temperature change condition of test article better for the test result has more actual meaning.
Drawings
Fig. 1 is a schematic view of the impact test chamber of the present invention.
Fig. 2 is the internal structure schematic diagram of the impact test chamber of the present invention.
Fig. 3 is a schematic structural diagram between the third horizontal partition plate and the fourth horizontal partition plate of the present invention.
Fig. 4 is a schematic structural diagram of a rectangular test frame of the impact test chamber of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown, a novel two-box impact test chamber, the chamber comprising:
a box body 1; a vertical partition plate 1.1 is arranged in the box body 1, and the box body 1 is divided into a test area at the front side and a temperature control area at the rear side by the vertical partition plate 1.1; the test area and the temperature control area are separated, so that the test temperature is convenient to control;
a first horizontal partition plate 1.2 and a second horizontal partition plate 1.3 are arranged in the test area, and a high-temperature test cavity 2, a low-temperature test cavity 3 and a power cavity 4 are sequentially formed in the test area from top to bottom; the first horizontal partition plate 1.2 and the second horizontal partition plate 1.3 divide a high-temperature test cavity 2 and a low-temperature test cavity 3, and when a test product is subjected to a cold and hot shock test, the high-temperature test cavity 2 and the low-temperature test cavity 3 are prevented from being influenced with each other;
the first horizontal partition plate 1.2 is provided with a vertically through rectangular through hole 1.21, a rectangular test frame 5 capable of moving up and down is arranged at the rectangular through hole 1.21, and the rectangular test frame 5 cannot rotate; the rectangular test frame 5 for placing the test article can move up and down between the high-temperature test cavity 2 and the low-temperature test cavity 3, so that the cold and hot impact test on the test article is realized;
a first rectangular block 5.1 is fixed on the top surface of the rectangular test frame 5, and a first sealing plate 5.2 is fixed on the first rectangular block 5.1; a second rectangular block 5.3 is fixed on the bottom surface of the rectangular test frame 5, and a second sealing plate 5.4 is fixed on the second rectangular block 5.3; the first rectangular block 5.1 and the second rectangular block 5.3 can be blocked in the rectangular through hole 1.21, and in addition, the first sealing plate 5.2 and the second sealing plate 5.4 can be tightly attached to the first horizontal partition plate 1.2; when the test article is subjected to a cold impact test or a thermal impact test, the sealing of the high-temperature test cavity 2 and the low-temperature test cavity 3 can be ensured;
in order to realize the sealing of the high-temperature test chamber 2 and the low-temperature test chamber 3 when the test article is subjected to a cold impact test or a thermal impact test, the size of the first rectangular block 5.1 and the size of the second rectangular block 5.3 are the same as the size of the rectangular through hole 1.21; the size of the first sealing plate 5.2 and the size of the second sealing plate 5.4 are both larger than the size of the rectangular through hole 1.21;
the second horizontal partition plate 1.3 is provided with a round hole 1.31 with the size smaller than that of the second sealing plate 5.4, a cylinder 4.1 is arranged in the round hole 1.31, and an internal thread is arranged in the cylinder 4.1; the upper end of the cylinder 4.1 is fixed on the bottom surface of the second sealing plate 5.4; here, the second horizontal partition plate 1.3 can also be tightly attached to the second horizontal partition plate 1.3, so that the sealing of the low-temperature test chamber 3 is ensured;
a motor 4.2 is fixed in the power cavity 4, a threaded rod 4.3 is connected to an output shaft of the motor 4.2, and the threaded rod 4.3 is screwed into the cylinder 4.1; the motor 4.2 drives the threaded rod 4.3 to rotate, and the cylinder 4.1 can move up and down relative to the threaded rod 4.3, so that the rectangular test frame 5 is driven to move up and down.
In order to ensure that the high-temperature test chamber 2 and the low-temperature test chamber 3 are sealed when a test article is subjected to a cold impact test or a thermal impact test, the distance between the bottom surface of the first sealing plate 5.2 and the bottom surface of the second sealing plate 5.4 is equal to the distance between the top surface of the first horizontal partition plate 1.2 and the top surface of the second horizontal partition plate 1.3; the top surface of the second sealing plate 5.4 can be tightly attached to the bottom surface of the first horizontal partition plate 1.2.
In order to avoid the separation between the cylinder 4.1 and the threaded rod 4.3, the length of the cylinder 4.1 and the length of the threaded rod 4.3 are both greater than the distance between the first sealing plate 5.2 and the second sealing plate 5.4.
For conveniently placing the test article, the rectangular test frame 5 is provided with an opening for placing the test article, the box body 1 is provided with a box door 1.4, and the box door 1.4 is positioned at the front side of the high-temperature test chamber 2.
In the embodiment, a third horizontal partition plate 1.5 and a fourth horizontal partition plate 1.6 are arranged in the temperature control area, and a high-temperature preheating box 6 is arranged above the third horizontal partition plate 1.5; a low-temperature pre-cooling box 7 is arranged below the fourth horizontal partition plate 1.6; the high-temperature preheating box 6 is communicated with the high-temperature test cavity 2 through a first air inlet pipeline 6.1 and a first air outlet pipeline 6.2, a first fan 6.3 is arranged in the first air inlet pipeline 6.1, a second fan 6.4 is arranged in the first air outlet pipeline 6.2, and the first fan 6.3 and the second fan 6.4 rotate to realize that circulating air flow is formed between the high-temperature test cavity 2 and the high-temperature preheating box 6, so that heat in the high-temperature preheating box 6 is transferred into the high-temperature test cavity 2; the low-temperature pre-cooling box 7 is communicated with the low-temperature test cavity 3 through a second air inlet pipeline 7.1 and a second air outlet pipeline 7.2, a third fan 7.3 is arranged in the second air inlet pipeline 7.1, and a fourth fan 7.4 is arranged in the second air outlet pipeline 7.2; the third fan 7.3 and the fourth fan 7.4 rotate to realize that circulating airflow is formed between the low-temperature pre-cooling box 7 and the low-temperature test cavity 3, so that the temperature in the low-temperature test cavity 3 is reduced.
In this embodiment, an air refrigerator 9 is further disposed below the fourth horizontal partition 1.6, a cold air outlet of the air refrigerator 9 is communicated with a low-temperature pre-cooling box 7 through a first pipeline 9.1, and the low-temperature pre-cooling box 7 is communicated with a cooling inlet of the air refrigerator 9 through a second pipeline 9.2; the hot gas outlet of the air refrigerator 9 is communicated with the high-temperature preheating box 6 through a third pipeline 9.3, and the high-temperature preheating box 6 is communicated with the temperature-rising inlet of the air refrigerator 9 through a fourth pipeline 9.4. Here, the air refrigerator 9 mainly reduces the air temperature in the low-temperature pre-cooling tank 7, and the air refrigerator 9 also generates heat in the refrigeration process, so that the generated heat is transferred to the high-temperature pre-cooling tank 6 for saving energy; since the test piece is first placed in the high temperature test chamber 2, the high temperature impact test is first performed, and in order to rapidly raise the temperature of the high temperature preheating chamber 6 at the beginning, a heater 8 is provided in the high temperature preheating chamber 6.
After the test is finished, in order to change the extreme conditions of high temperature and low temperature in the test box, high temperature air in the test box is exhausted, and low temperature air in the test box is exhausted; a sliding block 10 and an electric telescopic rod 11 are arranged between the third horizontal partition plate 1.5 and the fourth horizontal partition plate 1.6, the electric telescopic rod 11 is fixedly arranged, and the end part of a telescopic pipe of the electric telescopic rod 11 is fixed with the sliding block 10; a first exhaust hole 1.7 communicated with the high-temperature preheating box 6 is formed right above the sliding block 10, and a second exhaust hole 1.8 communicated with the low-temperature preheating box 7 is formed right below the sliding block 10; an exhaust fan 1.9 is arranged on the side wall of the box body 1, and the exhaust fan 1.9 is positioned between a third horizontal partition plate 1.5 and a fourth horizontal partition plate 1.6; limiting plates 12 are arranged on two sides of the sliding block 10; the exhaust fan 1.9 can draw high-temperature air out of the first exhaust hole 1.7 and low-temperature air out of the second exhaust hole 1.8, and the high-temperature air and the low-temperature air are mixed and then discharged out of the box body 1. The slider 10 may block the first and second exhaust holes 1.7, 1.8.
When the test box works, firstly, the motor 4.2 is started, the rectangular test frame 5 is lifted into the high-temperature test cavity 2, the second rectangular block 5.3 is guaranteed to be blocked in the rectangular through hole 1.21, and the second sealing plate 5.4 can be tightly attached to the bottom surface of the first horizontal partition plate 1.2, so that the high-temperature test cavity 2 is separated from the low-temperature test cavity 3; the motor 4.2 is turned off; opening the box door 1.4, placing the test article in the rectangular test frame 5, and closing the box door 1.4; starting the air refrigerator 9 and the heater 8, raising the temperature of the air in the high-temperature preheating box 6, and lowering the temperature of the air in the low-temperature preheating box 7; when the temperature rises to the test requirement, the first fan 6.3 and the second fan 6.4 are turned on to realize that a circulating air flow is formed between the high-temperature test cavity 2 and the high-temperature preheating box 6, so that the heat in the high-temperature preheating box 6 is transferred into the high-temperature test cavity 2 until the high-temperature test is finished, and the first fan 6.3 and the second fan 6.4 are turned off;
then, starting a motor 4.2, descending the rectangular test frame 5 into the low-temperature test chamber 3, ensuring that the first rectangular block 5.1 is blocked in the rectangular through hole 1.21, enabling the first sealing plate 5.2 to be tightly attached to the top surface of the first horizontal partition plate 1.2, and enabling the second sealing plate 5.4 to be tightly attached to the top surface of the second horizontal partition plate 1.3; the low-temperature test cavity 3 is sealed; the motor 4.2 is turned off; the third fan 7.3 and the fourth fan 7.4 are turned on to realize that circulating airflow is formed between the low-temperature pre-cooling box 7 and the low-temperature test chamber 3, so that the temperature in the low-temperature test chamber 3 is reduced until the low-temperature test is finished, and the third fan 7.3 and the fourth fan 7.4 are turned off; the process is repeated, and the cold and hot impact test can be completed on the test product;
finally, the electric telescopic rod 11 is started, the sliding block 10 moves, the first exhaust hole 1.7 and the second exhaust hole 1.8 are opened, the exhaust fan 1.9 is started, the exhaust fan 1.9 can pump high-temperature air out of the first exhaust hole 1.7, and low-temperature air is pumped out of the first exhaust hole 1.7 and the second exhaust hole 1.8, so that the high-temperature air and the low-temperature air are mixed and then are exhausted out of the box body 1; then, the box door 1.4 can be opened and the test article can be taken out.
Claims (8)
1. A novel two-box impact test chamber, comprising:
a box body (1); a vertical partition plate (1.1) is arranged in the box body (1), and the box body (1) is divided into a test area at the front side and a temperature control area at the rear side by the vertical partition plate (1.1);
a first horizontal partition plate (1.2) and a second horizontal partition plate (1.3) are arranged in the test area, and a high-temperature test cavity (2), a low-temperature test cavity (3) and a power cavity (4) are sequentially formed in the test area from top to bottom;
the first horizontal partition plate (1.2) is provided with a vertically through rectangular through hole (1.21), a rectangular test frame (5) capable of moving up and down is arranged at the rectangular through hole (1.21), and the rectangular test frame (5) is not rotatable;
a first rectangular block (5.1) is fixed on the top surface of the rectangular test frame (5), and a first sealing plate (5.2) is fixed on the first rectangular block (5.1); a second rectangular block (5.3) is fixed on the bottom surface of the rectangular test frame (5), and a second sealing plate (5.4) is fixed on the second rectangular block (5.3);
the size of the first rectangular block (5.1) and the size of the second rectangular block (5.3) are the same as the size of the rectangular through hole (1.21); the size of the first sealing plate (5.2) and the size of the second sealing plate (5.4) are both larger than the size of the rectangular through hole (1.21);
the second horizontal partition plate (1.3) is provided with a round hole (1.31) smaller than the second sealing plate (5.4), a cylinder (4.1) is arranged in the round hole (1.31), and an internal thread is arranged in the cylinder (4.1); the upper end of the cylinder (4.1) is fixed on the bottom surface of the second sealing plate (5.4);
a motor (4.2) is fixed in the power cavity (4), a threaded rod (4.3) is connected to an output shaft of the motor (4.2), and the threaded rod (4.3) is screwed into the cylinder (4.1).
2. The new two-box impact test box according to claim 1, characterized in that: the distance between the bottom surface of the first sealing plate (5.2) and the bottom surface of the second sealing plate (5.4) is equal to the distance between the top surface of the first horizontal partition plate (1.2) and the top surface of the second horizontal partition plate (1.3); the top surface of the second sealing plate (5.4) can be tightly attached to the bottom surface of the first horizontal partition plate (1.2).
3. The new two-box impact test box according to claim 2, characterized in that: the length of the cylinder (4.1) and the length of the threaded rod (4.3) are both greater than the distance between the first sealing plate (5.2) and the second sealing plate (5.4).
4. The new two-box impact test box according to claim 1, characterized in that: the rectangular test frame (5) is provided with an opening for placing a test article, the box body (1) is provided with a box door (1.4), and the box door (1.4) is located on the front side of the high-temperature test chamber (2).
5. The new two-box impact test box according to claim 1, characterized in that: a third horizontal partition plate (1.5) and a fourth horizontal partition plate (1.6) are arranged in the temperature control area, and a high-temperature preheating box (6) is arranged above the third horizontal partition plate (1.5); a low-temperature pre-cooling box (7) is arranged below the fourth horizontal partition plate (1.6); the high-temperature preheating box (6) is communicated with the high-temperature test cavity (2) through a first air inlet pipeline (6.1) and a first air outlet pipeline (6.2), a first fan (6.3) is arranged in the first air inlet pipeline (6.1), and a second fan (6.4) is arranged in the first air outlet pipeline (6.2); the low-temperature pre-cooling box (7) is communicated with the low-temperature test cavity (3) through a second air inlet pipeline (7.1) and a second air outlet pipeline (7.2), a third fan (7.3) is arranged in the second air inlet pipeline (7.1), and a fourth fan (7.4) is arranged in the second air outlet pipeline (7.2).
6. The new two-box impact test box according to claim 5, characterized in that: an air refrigerator (9) is further arranged below the fourth horizontal partition plate (1.6), a cold air outlet of the air refrigerator (9) is communicated with a low-temperature pre-cooling box (7) through a first pipeline (9.1), and the low-temperature pre-cooling box (7) is communicated with a cooling inlet of the air refrigerator (9) through a second pipeline (9.2); the hot gas outlet of the air refrigerator (9) is communicated with the high-temperature preheating box (6) through a third pipeline (9.3), and the high-temperature preheating box (6) is communicated with the heating inlet of the air refrigerator (9) through a fourth pipeline (9.4).
7. The new two-box impact test box according to claim 6, characterized in that: a heater (8) is arranged in the high-temperature preheating box (6).
8. The new two-box impact test box according to claim 5, characterized in that: a sliding block (10) and an electric telescopic rod (11) are arranged between the third horizontal partition plate (1.5) and the fourth horizontal partition plate (1.6), the electric telescopic rod (11) is fixedly arranged, and the end part of the telescopic pipe of the electric telescopic rod (11) is fixed with the sliding block (10); a first exhaust hole (1.7) communicated with the high-temperature preheating box (6) is formed right above the sliding block (10), and a second exhaust hole (1.8) communicated with the low-temperature preheating box (7) is formed right below the sliding block (10); an exhaust fan (1.9) is arranged on the side wall of the box body (1), and the exhaust fan (1.9) is positioned between the third horizontal partition plate (1.5) and the fourth horizontal partition plate (1.6); limiting plates (12) are arranged on two sides of the sliding block (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121608342.3U CN215065717U (en) | 2021-07-15 | 2021-07-15 | Novel two-box type impact test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121608342.3U CN215065717U (en) | 2021-07-15 | 2021-07-15 | Novel two-box type impact test box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215065717U true CN215065717U (en) | 2021-12-07 |
Family
ID=79220945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121608342.3U Active CN215065717U (en) | 2021-07-15 | 2021-07-15 | Novel two-box type impact test box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215065717U (en) |
-
2021
- 2021-07-15 CN CN202121608342.3U patent/CN215065717U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201174655Y (en) | High-voltage frequency transformer power unit cabinet having self-circulating wind-cooling apparatus | |
| CN215296903U (en) | Cold and hot impact test box | |
| CN215065717U (en) | Novel two-box type impact test box | |
| CN218774829U (en) | High-efficient heat-conduction high low temperature test box | |
| CN206210521U (en) | A kind of automatic heat radiator of transformer | |
| CN209911163U (en) | Cold and hot impact test case of quick temperature control | |
| CN112175780A (en) | Multi-functional white spirit cooling device | |
| CN115254206A (en) | Ultrahigh low-temperature circulation test box | |
| CN203810565U (en) | Portable cold-hot all-in-one machine | |
| CN105972753A (en) | Battery cabinet air conditioner | |
| CN116249334A (en) | Electromechanical equipment cooling protection device and protection method | |
| CN114963608B (en) | Optical module rapid temperature rising and falling device based on TEC | |
| CN216387326U (en) | High-low temperature aging test equipment for air cylinder | |
| CN206359533U (en) | Single test tube amplification oligonucleotide kit | |
| CN213875885U (en) | Vacuum aging equipment with external circulation cooling | |
| CN212008253U (en) | Full-automatic flow cytometry | |
| CN203629919U (en) | Integrated pathological section embedding and baking box | |
| CN210401558U (en) | Temperature impact test device for crystal element | |
| CN112326413A (en) | Lifting type cold and hot impact testing machine | |
| CN221062775U (en) | High-low temperature environment test box | |
| CN220634378U (en) | Multifunctional environment test box | |
| CN218774820U (en) | Temperature change impact test box | |
| CN205747341U (en) | Battery rack air-conditioning | |
| CN219037619U (en) | Temperature control structure | |
| CN213122187U (en) | Lifting heating device for high-low temperature impact test experimental equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |