CN206355999U - A kind of two casees low temperature impact test boxes - Google Patents
A kind of two casees low temperature impact test boxes Download PDFInfo
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- CN206355999U CN206355999U CN201621414443.6U CN201621414443U CN206355999U CN 206355999 U CN206355999 U CN 206355999U CN 201621414443 U CN201621414443 U CN 201621414443U CN 206355999 U CN206355999 U CN 206355999U
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- low temperature
- casing
- testing jig
- temperature casing
- high temperature
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Abstract
Originally it is new to disclose a kind of two casees low temperature impact test boxes, including high temperature casing, low temperature casing, testing jig, electrical system, refrigeration system and heating system, heating system is located in high-temperature cabinet body, refrigeration system is located in cryogenic box body, and heating system and refrigeration system are electrically connected electrical system respectively;The guidance set of guiding testing jig movement is respectively equipped with high temperature casing and cryogenic box body, high temperature casing upper end, which is provided with, can drive the transmission component that testing jig is moved up and down, the transmission component includes the drawstring of motor, the reductor being connected with motor and drive connection reductor and testing jig, transmission component coordinates the guiding of two guidance sets, drives testing jig steadily to be moved up and down between high temperature casing and low temperature casing.This new chamber coordinates reductor testing jig is increased using motor, smooth decreasing, and installs guider on the tester rack, makes testing jig steady without rocking during rising, declining, chamber is easy to use, and good test effect.
Description
Technical field
The utility model is related to testing equipment field, especially a kind of two casees low temperature impact test boxes.
Background technology
Low temperature impact test box, can be used to test material or composite continuous through very high temperature and extremely low temperature in moment
Lower patient degree of environment, tests chemical change or physical injury that it expands with heat and contract with cold caused within the shortest time.Its
Test object can also be electronic apparatus parts, automation parts, communication part, electronic chip, auto parts machinery, PCB bases
Plate, metal, chemical material, high polymer material, plastic cement etc..Low temperature impact test box is widely used in national defense industry, aviation boat
With the field such as appliance industry.
In the prior art, the species of low temperature impact test box, pattern are a lot, but main body is all to include high-temperature cabinet and low
Incubator, in process of the test, perform Experimental Area switching be by by specimen holder in whole casing from low-temperature space (cryogenic box）
Draw high to high-temperature region（High-temperature cabinet）, then from high-temperature region low-temperature space is dropped to, high temperature and low-temperature impact is repeated.But specimen holder liter,
Drop is drawn high by motor, control be by track install travel switch detected, therefore, easily occur travel switch it is long when
Between use and casing can be drawn and deformed the problem of failure, when serious, specimen holder lifting time process 5-8 seconds in addition, in this mistake
The temperature IPN of high-temperature region and low-temperature space occurs in journey, having a strong impact on during temperature jump is caused;Meanwhile, in high/low-temperature impact
There is the drawbacks of cumbersome, complicated, control accuracy is not high in the control instrument of case, to experimental accuracy and using upper all to visitor
Family brings many inconvenience.For this, Chinese patent:A kind of low temperature impact test box (patent No.:201120236694.0) drape over one's shoulders
Reveal a kind of technical scheme solved the above problems, specimen holder pulled by using cylinder, carry out thermocycling, it is to avoid
Conventional motor, which is drawn high, causes travel switch failure, the drawbacks of casing draws deformation.But the skill disclosed by 201120236694.0 patents
The problem of art scheme is present be:Low temperature impact test box volume is larger, and floor space is larger, and high energy consumption;For this, China is specially
Profit:Low temperature impact test box (the patent No.:201220494843.8) provide a kind of technical scheme solved the above problems.But
It is that 201220494843.8 patent and low temperature impact test box of the prior art are present common issue is that:One is, adopts
With the low temperature impact test box of motor stretching, its testing jig rises, the speed that declines and motor speed direct correlation, therefore on
It is unstable to rise, decline, meanwhile, on testing jig and it is not provided with corresponding guider so that testing jig was rising or falling
Cheng Zhong, easily with high-temperature cabinet and cryogenic box frictional impact, the breakage rate of testing jig and chamber is larger;Two are, are carried out using cylinder
The low temperature impact test box of promotion, the power that cylinder is provided can not meet testing jig and lift required power, and, adopt
With cylinder, it can cause many constant to the installation of chamber, be unfavorable for optimizing the topology layout of low temperature impact test box, then
Have, using cylinder for the chamber that in the vertical direction sets high and low incubator, the lifting of its testing jig can be more multiple
It is miscellaneous.
Therefore, the creator of the application combine the market demand with from product design with produce encountered in the problem of set
Count two casees novel, easy to use low temperature impact test boxes of a structure.
Utility model content
The technical problem of solution of the present utility model is the defect for above-mentioned presence of the prior art, provides one kind two
Case low temperature impact test box, the low temperature impact test box coordinates reductor testing jig is increased using motor, smooth decreasing,
And guider is installed on the tester rack, make testing jig steady without rocking during rising, declining, not with high-temperature cabinet and low temperature
The frictional impact of case, chamber is easy to use, and good test effect.
To solve above-mentioned technical problem, the technical scheme that the utility model is taken is as follows:A kind of two casees high/low-temperature impacts examination
Tryoff, including high temperature casing, low temperature casing, testing jig, electrical system, refrigeration system and heating system, the high temperature casing exist
The low temperature casing upper end is placed on position, the heating system is arranged in the high-temperature cabinet body, the refrigeration system is set
In the cryogenic box body, and the heating system and refrigeration system are electrically connected the electrical system respectively;The high-temperature cabinet
The guidance set of guiding testing jig movement is respectively equipped with body and cryogenic box body, the high temperature casing upper end, which is additionally provided with, can drive institute
The transmission component that testing jig is moved up and down is stated, the transmission component includes motor, the reductor being connected with motor
And the drawstring of drive connection reductor and the testing jig;The transmission component coordinates the guiding of guidance set described in two, band
The testing jig is moved steadily to move up and down between the high temperature casing and low temperature casing.
It is expanded on further as to above-mentioned technical proposal：
In the above-mentioned technical solutions, each guidance set includes four guide rails and four pulleys, and pulley is set respectively described in four
On the corner on the bottom of the testing jig or top, guide rail described in four is oppositely arranged and is installed in high temperature casing or low temperature two-by-two
On the left and right side wall of casing, the guide rail matches with the pulley in position, and the pulley is slided along the guide rail, is led
Draw the testing jig to move up and down.
In the above-mentioned technical solutions, a sealing ring, the chi of the sealing ring are equipped with the bottom and top of the testing jig
It is very little to match with the testing jig bottom/top plan size.
In the above-mentioned technical solutions, be all provided with circulating fan on the high temperature casing and low temperature casing, the high temperature casing and
Be installed on air outlet and exhaust outlet on the left and right side wall of low temperature casing, the circulating fan by pipeline and the air outlet and
Exhaust outlet is connected, and the circulating fan can note the air in high temperature casing or cryogenic box body through the air outlet and exhaust outlet
Enter/discharge.
In the above-mentioned technical solutions, the refrigeration system includes compressor, evaporator, condenser, and the evaporator is installed
On the inwall of low temperature box house, the compressor and condenser are arranged on the back of the low temperature casing, the compressor
Electrically connect the electrical system.
In addition to regulator cubicle, in the above-mentioned technical solutions, the high temperature casing, low temperature casing, electrical system, refrigeration system
It is installed in the regulator cubicle with heating system, and high temperature casing, low temperature casing and regulator cubicle are integrally prepared;In the regulator cubicle
A cabinet door is formed with the correspondence high temperature casing set location, the cabinet door is provided with sealing ring, and the cabinet door is test specimens
Product entry/exit material mouth.
Further, the length, width and height size of the regulator cubicle is 2195 × 1551 × 2168mm.
The beneficial effects of the utility model are:Two casees low temperature impact test boxes of the present utility model are slowed down by setting
Machine and guidance set, make testing jig at the uniform velocity, steadily be moved between high temperature casing and low temperature casing, reduce testing jig and are being moved through
Rocking in journey, while providing enough power again is used to lift testing jig;Two casees low temperature impact test boxes of the present utility model
Sealing ring also is set in the bottom of test box and top, test product is round to be placed in high temperature casing and cryogenic box when testing jig is carried
In body, temperature crossfire is reduced by sealing ring;Two casees low temperature impact test boxes of the present utility model install simple, user
Just, good test effect.
Brief description of the drawings
Fig. 1 is the floor map of two casees low temperature impact test boxes of the utility model；
Fig. 2 is the partial enlarged drawing of A in Fig. 1；
Fig. 3 is two casees high and low temperature impact test schematic appearances of the utility model.
In figure, 1. regulator cubicles, 2. high temperature casings, 3. low temperature casings, 4. testing jigs, 5. guidance sets, 51. guide rails, 52. slide
Wheel, 6. transmission components, 61. motors, 62. reductors, 63. stretchings, 7. through holes, 8. sealing rings, 9. air outlets, 10. air drafts
Mouthful, 11. cabinet doors.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1-3 show a kind of this new specific embodiment, a kind of two casees low temperature impact test boxes, and it includes electric
Cabinet 1, high temperature casing 2, low temperature casing 3, testing jig 4, electrical system, refrigeration system and heating system;The size of the regulator cubicle 1
For 2195 × 1551 × 2168mm, high temperature casing 2, low temperature casing 3, electrical system, refrigeration system and heating system are installed in
In the regulator cubicle 1, and high temperature casing 2 is arranged on the upper end of regulator cubicle 1, low temperature casing 3 and is arranged on the lower end of regulator cubicle 1, regulator cubicle 1
Rear portion (high temperature casing 2 and the rear portion of low temperature casing 3) is the installation region of electrical system, refrigeration system and heating system, is being prepared
When, high temperature casing 2 and low temperature casing 3 and regulator cubicle 1 are prepared into an entirety;It should be noted that, the electrical system includes
Control panel, electric control circuit and the sensor module of matching (temperature sensor);The heating system is arranged on described
In high temperature casing 2, the refrigeration system is arranged in the low temperature casing 3, and the heating system and refrigeration system are electric respectively
Gas connects the electrical system;The guidance set of guiding testing jig movement is respectively equipped with the high temperature casing 2 and low temperature casing 3
5, refer to the attached drawing 1, each guidance set 5 includes four guide rails 51 and four pulleys 52, and pulley 52 is respectively provided at the test described in four
On the bottom 41 of frame 4 or the corner on top 42, guide rail 51 described in four is oppositely arranged and is installed in high temperature casing 2 or cryogenic box two-by-two
On the left and right side wall of body 3, the guide rail 51 matches with the pulley 52 in position, and the pulley 52 is along the guide rail 51
Slide, guide the testing jig 4 and move up and down;It should be noted that, positioned at the distance of the time interval of two guide rail 51 of the same side
Match with the front and rear width dimensions of testing jig 4, and the front-rear side walls plane respectively with testing jig 4 is concordant;The high temperature casing 2
Upper end is additionally provided with the transmission component 6 that the testing jig 4 can be driven to move up and down, and the transmission component 6 includes motor 61, with driving
Reductor 62 and the drawstring 63 of drive connection reductor 62 and the testing jig 4 that dynamic motor 61 is connected, drawstring 63
Length matches the height summation of the high temperature casing 2 and low temperature casing 3, and motor 61 and reductor 62 are arranged on high temperature casing
Spatially, the output shaft end of reductor 62 sets the rolling wheel of drawstring 63 to the regulator cubicle 1 of 2 rear ends, and the one end of drawstring 63 is wound on this
On rolling wheel, the other end is then fixed in the top of the testing jig 4;The transmission component 6 coordinates the guiding of guidance set 5 described in two
(it is that the pulley 52 of guidance set 5 is moved along guide rail 51 in practice, four groups of pulleys 52 are matched with guide rail 51, so as to limit testing jig 4
Can not fore-and-aft direction and left and right directions be rocked again), the testing jig 4 is driven between the high temperature casing 2 and low temperature casing 3
It is steady to move up and down, it is necessary to illustrate, opened on high temperature casing 2 and the adjoining position of low temperature casing 3 and be formed with a matching and survey
Try the through hole 7 of the size of frame 4, open the system through hole 7 be used for testing jig 4 by the through hole 7 high temperature casing 2 and low temperature casing 3 it
Between unimpeded movement, keep apart while meet again between high temperature casing 2 and low temperature casing 3.
Be equipped with a sealing ring 8 on refer to the attached drawing 1, the bottom and top of the testing jig 4, the size of the sealing ring 8 with
4 bottoms of testing jig/top plan size matches, and the set location of sealing ring 8 is distributed as the following table on the top of testing jig 4
Face and the upper surface of the bottom of testing jig 4;Testing jig 4 completes movement between high temperature casing 2 and low temperature casing 3, and testing jig 2 is taken
When tape test product is placed in one of high temperature casing 2 and low temperature casing 3, bottom/top of testing jig 4 can abut to cryogenic box
The bottom of the top of body 3/high temperature casing 2, by the effect of sealing ring 8, corresponding high temperature casing 2 and low temperature casing 3 are carried out
Sealing, reduces temperature crossfire.
Circulating fan is all provided with refer to the attached drawing 1, the high temperature casing 2 and low temperature casing 3（Do not shown in figure）, in the height
Air outlet 9 and exhaust outlet 10 are installed on the left and right side wall of incubator body 2 and low temperature casing 3, correspondence high temperature casing 2 send for hot blast
Air port and hot blast exhaust outlet, correspondence low temperature casing 3 are cold wind air outlet and cold wind exhaust outlet, and circulating fan is to install correspondence casing
The regulator cubicle 1 at rear portion spatially, each casing（High temperature casing 2 and low temperature casing 3）The circulating fan pass through pipeline
Connected with the corresponding air outlet 9 and exhaust outlet 10, circulating fan can pass through the air in high temperature casing 2 or low temperature casing 2
The air outlet 9 and exhaust outlet 10 inject/discharged.
Wherein, the refrigeration system includes compressor, evaporator, condenser, and the evaporator is arranged in low temperature casing 3
On the inwall in portion, the compressor and condenser be arranged on the back of the low temperature casing 3 (regulator cubicle 1 be located at low temperature casing 3 after
The interval in portion), and the compressor is the electrical connection electrical system.
Wherein, a cabinet door 11, the cabinet door 11 are formed with the regulator cubicle 1 correspondence set location of high temperature casing 2
On also be provided with sealing ring 8, when cabinet door 11 is closed, seal the high temperature casing 2, make the formation confined space of high temperature casing 2, together
When, the cabinet door 11 is test sample entry/exit material mouth, opens cabinet door 11, can open high temperature casing 2, and by test product from survey
Removed on examination frame 4 or place it on testing jig 4.It should be noted that, the low temperature casing 3 in the present embodiment is not set cabinet door
, and be just to constitute closed space preparing.
When carrying out high and low temperature impact test, for example:From high temperature to low-temperature impact;In impact test initial time, test
Frame 4 is placed in high temperature casing 2, is now closed the air outlet 9 and exhaust outlet 10 of high temperature casing 2, is made in the high temperature casing 2
Hot-air（Hot blast）Do not circulate, reduce cross-ventilation and temperature exchange;Concurrently, the driving electricity of transmission component 6 is started
Machine 61, motor 61 drives reductor 62 and drawstring 63 to be driven, and testing jig 4 is glided steadily, rapidly down along guide rail 51, moves
Move to low temperature casing 3, until the top of testing jig 4 is placed in the bottom of high temperature casing 2, and pushed up by being arranged on the testing jig 4
The sealing through hole 7 of sealing ring 8 at end, completes shock-testing, and the sealing through hole of sealing ring 8 can ensure low temperature casing 3 and high temperature casing 2
Do not occur cold and hot crossfire within the shock-testing time, and testing jig 4 is 5~8 seconds in the time of dropping process, is being fallen certainly
Cheng Zhong, the temperature crossfire interaction occurred by through hole 7 is inevitable, but is belonged within test allowed band;Close high temperature
The air outlet 9 and exhaust outlet 10 of casing 2, make the non-moving air of high temperature casing 2, and largely reduction testing jig 4 fell
Temperature crossfire in journey；Equally, it is same to use the He of air outlet 9 of low temperature casing 3 during from low temperature to high temperature impact
Exhaust outlet 10 is closed, and reduces temperature crossfire.
Two casees low temperature impact test boxes of the present embodiment make testing jig in high temperature by setting reductor and guidance set
Between casing and low temperature casing at the uniform velocity, it is steady mobile, testing jig rocking in moving process is reduced, while providing dynamic enough again
Power is used to lift testing jig;Two casees low temperature impact test boxes of the present embodiment also set sealing in the bottom of test box and top
Circle, when testing jig is carried, test product is round to be placed in high temperature casing and low temperature casing, and temperature crossfire is reduced by sealing ring, should
Two casees low temperature impact test box installs simple, easy to use, good test effect.
Not technical scope of the present utility model is imposed any restrictions above, it is all according to the utility model technical spirit to
On embodiment any modification, equivalent variations and the modification made, in the range of still falling within the technical solution of the utility model.
Claims (7)
1. a kind of two casees low temperature impact test boxes, including high temperature casing, low temperature casing, testing jig, electrical system, refrigeration system
And heating system, it is characterised in that:The high temperature casing is placed in the low temperature casing upper end in position, and the heating system is set
Put in the high-temperature cabinet body, the refrigeration system is arranged in the cryogenic box body, and the heating system and refrigeration system
The electrical system is electrically connected respectively;The guiding of guiding testing jig movement is respectively equipped with the high temperature casing and cryogenic box body
Component, the high temperature casing upper end is additionally provided with the transmission component that the testing jig can be driven to move up and down, and the transmission component includes
The drawstring of motor, the reductor being connected with motor and drive connection reductor and the testing jig, it is described
Transmission component coordinates the guiding of guidance set described in two, drives the testing jig to be put down between the high temperature casing and low temperature casing
Surely move up and down.
2. a kind of two casees low temperature impact test boxes according to claim 1, it is characterised in that:Each guidance set
Including four guide rails and four pulleys, pulley described in four is respectively provided on the corner on the bottom of the testing jig or top, led described in four
Rail be oppositely arranged two-by-two and be installed in high temperature casing or the left and right side wall of low temperature casing on, the guide rail in position with it is described
Pulley matches, and the pulley is slided along the guide rail, guides the testing jig and moves up and down.
3. a kind of two casees low temperature impact test boxes according to claim 1, it is characterised in that:The bottom of the testing jig
With a sealing ring is equipped with top, the size of the sealing ring matches with the testing jig bottom/top plan size.
4. a kind of two casees low temperature impact test boxes according to claim 1, it is characterised in that:The high temperature casing and low
It is all provided with being installed on air outlet and exhaust outlet on circulating fan, the left and right side wall of the high temperature casing and low temperature casing on incubator body,
The circulating fan is connected by pipeline with the air outlet and exhaust outlet, and the circulating fan can be by high temperature casing or cryogenic box
Internal air is through the air outlet and exhaust outlet injection/discharge.
5. a kind of two casees low temperature impact test boxes according to claim 1-4 any one, it is characterised in that:The system
Cooling system includes compressor, evaporator, condenser, and the evaporator is arranged on the inwall of low temperature box house, the compression
Machine and condenser are arranged on the back of the low temperature casing, electrical system described in the compression mechatronics.
6. a kind of two casees low temperature impact test boxes according to claim 5, it is characterised in that:Also include regulator cubicle, institute
High temperature casing, low temperature casing, electrical system, refrigeration system and heating system is stated to be installed in the regulator cubicle, and high temperature casing,
Low temperature casing and regulator cubicle are integrally prepared;A cabinet door, institute are formed with the regulator cubicle correspondence high temperature casing set location
Cabinet door is stated provided with sealing ring, and the cabinet door is test sample entry/exit material mouth.
7. a kind of two casees low temperature impact test boxes according to claim 6, it is characterised in that：The length and width of the regulator cubicle
High size is 2195 × 1551 × 2168mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621414443.6U CN206355999U (en) | 2016-12-22 | 2016-12-22 | A kind of two casees low temperature impact test boxes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621414443.6U CN206355999U (en) | 2016-12-22 | 2016-12-22 | A kind of two casees low temperature impact test boxes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206355999U true CN206355999U (en) | 2017-07-28 |
Family
ID=59374942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621414443.6U Expired - Fee Related CN206355999U (en) | 2016-12-22 | 2016-12-22 | A kind of two casees low temperature impact test boxes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206355999U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321395A (en) * | 2017-09-01 | 2017-11-07 | 合肥风生水起信息科技有限公司 | A kind of two-box type low temperature impact test box lifting system |
| CN107991338A (en) * | 2017-12-22 | 2018-05-04 | 华霆（合肥）动力技术有限公司 | A kind of thermal shock device and production ancillary equipment |
| CN108020577A (en) * | 2017-11-20 | 2018-05-11 | 航天材料及工艺研究所 | A kind of thermally protective materials prevent heat-insulated test system, test method and heat treatment method |
| CN108900160A (en) * | 2018-07-23 | 2018-11-27 | 中国华能集团清洁能源技术研究院有限公司 | Photovoltaic module test device |
| CN111896414A (en) * | 2020-07-30 | 2020-11-06 | 成都易华天宇试验设备有限责任公司 | Temperature impact test box |
| CN112345345A (en) * | 2020-12-10 | 2021-02-09 | 武汉指南针试验设备有限公司 | Two-box movable cold and hot impact testing machine |
| CN112505456A (en) * | 2020-11-27 | 2021-03-16 | 江苏高明安光电有限公司 | High low temperature test detection case of liquid crystal display |
| CN113376048A (en) * | 2020-02-25 | 2021-09-10 | 芯恩（青岛）集成电路有限公司 | Cold and hot impact testing device and testing method |
| WO2021248744A1 (en) * | 2020-06-10 | 2021-12-16 | 东莞市升微机电设备科技有限公司 | Two-box low-pressure cold and heat impact box |
| CN114433255A (en) * | 2022-01-29 | 2022-05-06 | 江苏拓米洛环境试验设备有限公司 | Temperature impact test box |
-
2016
- 2016-12-22 CN CN201621414443.6U patent/CN206355999U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321395A (en) * | 2017-09-01 | 2017-11-07 | 合肥风生水起信息科技有限公司 | A kind of two-box type low temperature impact test box lifting system |
| CN107321395B (en) * | 2017-09-01 | 2019-11-15 | 南京南欣医药技术研究院有限公司 | A kind of two-box type low temperature impact test box lifting system |
| CN108020577A (en) * | 2017-11-20 | 2018-05-11 | 航天材料及工艺研究所 | A kind of thermally protective materials prevent heat-insulated test system, test method and heat treatment method |
| CN107991338A (en) * | 2017-12-22 | 2018-05-04 | 华霆（合肥）动力技术有限公司 | A kind of thermal shock device and production ancillary equipment |
| CN108900160A (en) * | 2018-07-23 | 2018-11-27 | 中国华能集团清洁能源技术研究院有限公司 | Photovoltaic module test device |
| CN108900160B (en) * | 2018-07-23 | 2024-01-26 | 中国华能集团清洁能源技术研究院有限公司 | Photovoltaic module testing arrangement |
| CN113376048A (en) * | 2020-02-25 | 2021-09-10 | 芯恩（青岛）集成电路有限公司 | Cold and hot impact testing device and testing method |
| WO2021248744A1 (en) * | 2020-06-10 | 2021-12-16 | 东莞市升微机电设备科技有限公司 | Two-box low-pressure cold and heat impact box |
| CN111896414A (en) * | 2020-07-30 | 2020-11-06 | 成都易华天宇试验设备有限责任公司 | Temperature impact test box |
| CN112505456A (en) * | 2020-11-27 | 2021-03-16 | 江苏高明安光电有限公司 | High low temperature test detection case of liquid crystal display |
| CN112345345A (en) * | 2020-12-10 | 2021-02-09 | 武汉指南针试验设备有限公司 | Two-box movable cold and hot impact testing machine |
| CN114433255A (en) * | 2022-01-29 | 2022-05-06 | 江苏拓米洛环境试验设备有限公司 | Temperature impact test box |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20171222 |