CN110194312B - Toothed belt environment test box - Google Patents
Toothed belt environment test box Download PDFInfo
- Publication number
- CN110194312B CN110194312B CN201910561197.9A CN201910561197A CN110194312B CN 110194312 B CN110194312 B CN 110194312B CN 201910561197 A CN201910561197 A CN 201910561197A CN 110194312 B CN110194312 B CN 110194312B
- Authority
- CN
- China
- Prior art keywords
- toothed belt
- plate
- box body
- tensioning wheel
- pair
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 150000003839 salts Chemical class 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000012774 insulation material Substances 0.000 claims description 2
- 238000009661 fatigue test Methods 0.000 abstract description 20
- 230000007613 environmental effect Effects 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 12
- 239000007921 spray Substances 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
Abstract
The application provides a toothed belt environment test box which is matched with a fatigue testing machine to test the fatigue life of a toothed belt, wherein the toothed belt environment test box comprises a box body; the box body comprises a top plate, a bottom plate and side plates arranged between the top plate and the bottom plate; a pair of herringbone plates with openings facing the inside of the box body are symmetrically arranged on the top plate and the bottom plate; the herringbone plate comprises a vertical plate penetrating through the top plate/the bottom plate and extending to the outside of the box body, and a pair of inclined plates symmetrically arranged at one end of the vertical plate; the inclined plate is provided with a pressing plate for fixing the toothed belt to be tested; a pair of risers are connected to the fatigue tester to adjust the spacing between the two risers; a heating plate is arranged in the box body; the box body is provided with a humidifying channel, a salt fog channel and an air flow channel which are communicated with the outside. The beneficial effects of this application: when the fatigue test is carried out, the influence of environmental factors such as temperature, humidity and salt fog on the fatigue life of the toothed belt can be considered simultaneously; the device can test two toothed belts simultaneously, and time cost is reduced.
Description
Technical Field
The application relates to the technical field of environmental tests, in particular to a toothed belt environmental test box.
Background
Synchronous belt transmission is an important transmission mode in transmission modes, and transmission is relatively stable. The synchronous belt transmission is transmitted by the engagement of teeth on the inner surface of the transmission belt and tooth grooves on the belt wheel. Compared with friction type belt transmission, the belt wheel and the transmission belt of the synchronous belt transmission have no relative sliding, so that strict transmission ratio can be ensured. The toothed belt is used as an important component of synchronous belt transmission, and its performance directly affects the accuracy and stability of the transmission system. The fatigue life of the toothed belt is an important index, and the working environment of the toothed belt is bad, and the influence of the bad environment on the life of the toothed belt cannot be considered in the traditional fatigue life test.
Disclosure of Invention
The purpose of the application is to provide a toothed belt environment test box aiming at the problems.
The application provides a toothed belt environment test box which is matched with a fatigue testing machine to test the fatigue life of a toothed belt, wherein the toothed belt environment test box comprises a box body; the box body comprises a top plate, a bottom plate and side plates arranged between the top plate and the bottom plate; a pair of herringbone plates with openings facing the inside of the box body are symmetrically arranged on the top plate and the bottom plate; the herringbone plate comprises a vertical plate penetrating through the top plate/the bottom plate and extending to the outside of the box body, and a pair of inclined plates symmetrically arranged at one end of the vertical plate; the inclined plate is provided with a pressing plate for fixing the toothed belt to be tested; a pair of risers are connected to the fatigue tester to adjust the spacing between the two risers; a heating plate is arranged in the box body; the box body is provided with a humidifying channel, a salt fog channel and an air flow channel which are communicated with the outside. Through adopting above-mentioned technical scheme, be fixed in on a set of herringbone shaped plate with the toothed belt of treating the test, install the test box on fatigue testing machine through a pair of riser, fatigue testing machine drives a pair of riser up-and-down motion and constantly adjusts interval between two risers and realize alternately tensile and compression to the toothed belt, adjust the inside temperature of test box through the hot plate simultaneously, respectively for the inside moisture and the salt fog of letting in of test box through humidification passageway and salt fog passageway, simulate abominable environment for the toothed belt for when carrying out fatigue test, can consider the influence of adverse environmental factors such as temperature, humidity and salt fog to the toothed belt fatigue life simultaneously. In addition, two toothed belts can be respectively fixed on the inclined plates of the pair of herringbone plates on the same side, so that the two toothed belts are tested at the same time, the test time is shortened, and the time cost is reduced.
According to the technical scheme provided by certain embodiments of the application, the device further comprises a tensioning device arranged in the middle of the box body; the tensioning device comprises a first tensioning wheel, a second tensioning wheel and a supporting rod arranged between the first tensioning wheel and the second tensioning wheel. By adopting the technical scheme, the real loading condition of the toothed belt during working can be simulated.
According to the technical scheme provided by certain embodiments of the application, a sliding rail is arranged in the middle of the box body; the first tensioning wheel and the second tensioning wheel are respectively connected to the sliding rail through sliding blocks in a sliding mode. Through adopting above-mentioned technical scheme, when setting up in the profile of tooth area atress uneven of first take-up pulley and second take-up pulley both sides, first take-up pulley and second take-up pulley can drive the slider and slide in order to automatically regulated along the slide rail, have played the effect of automatic centering.
According to the technical scheme provided by certain embodiments of the application, the bottom plate is provided with a slide rail support frame for fixing the slide rail.
According to the technical scheme provided by certain embodiments of the application, the circulation fan is arranged in the box body. Through adopting above-mentioned technical scheme, can make the inside air flow of test box, prevent temperature, humidity and salt fog concentration uneven distribution.
According to the technical scheme provided by certain embodiments of the application, the pressing plate is provided with grooves meshed with the tooth shape of the toothed belt. By adopting the technical scheme, the toothed belt can be better fixed on the herringbone plate, and the toothed belt is prevented from sliding in the fatigue test process, so that the error of the test result is larger.
According to the technical scheme that some embodiments of this application provided, heat preservation material has all been laid to roof, bottom plate and curb plate inner wall. By adopting the technical scheme, the temperature inside the test box can be effectively ensured.
The beneficial effects of this application: this toothed belt environment test case adopts integrated design, be fixed in the swash plate that a pair of chevron shape board is located the homonymy respectively with two toothed belts, install the test case on fatigue testing machine through a pair of riser, fatigue testing machine drives a pair of riser up-and-down motion and constantly adjusts interval between two risers and realize alternately tensile and compression to a pair of toothed belt, adjust the inside temperature of test case simultaneously through the hot plate, respectively for the test case inside lets in moisture and salt fog through humidification passageway and salt fog passageway, simulate abominable environment for the toothed belt for when carrying out fatigue test, can consider the influence of adverse environmental factors such as temperature, humidity and salt fog to the toothed belt fatigue life simultaneously. In addition, the device can test two toothed belts simultaneously, shortens test time, and reduces time cost.
Drawings
Fig. 1 is a schematic structural view of a toothed belt environmental test chamber provided in an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a toothed belt environmental test chamber provided in an embodiment of the present application;
FIG. 3 is an enlarged schematic view of the portion A of FIG. 2;
fig. 4 is a schematic bottom view of a toothed belt environmental test chamber according to an embodiment of the present application.
The text labels in the figures are expressed as:
1. a case; 2. a top plate; 3. a bottom plate; 4. a side plate; 5. a herringbone plate; 6. a riser; 7. a sloping plate; 8. a toothed belt; 9. a pressing plate; 10. a heating plate; 11. a humidification channel; 12. a salt spray passage; 13. an air flow channel; 14. a circulation fan; 15. a first tensioning wheel; 16. a second tensioning wheel; 17. a support rod; 18. a slide block; 19. a slide rail; 20. and a slide rail supporting frame.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present application, the following detailed description of the present application is provided by way of example and illustration only, and should not be construed to limit the scope of the present application in any way.
As shown in fig. 1 to 4, the present embodiment provides a toothed belt environmental test chamber for use with a fatigue tester (not shown) to test the fatigue life of a toothed belt 8, the toothed belt environmental test chamber including a chamber body 1; the box body 1 comprises a top plate 2, a bottom plate 3 and a side plate 4 arranged between the top plate 2 and the bottom plate 3; a pair of herringbone plates 5 with openings facing the inside of the box body 1 are symmetrically arranged on the top plate 2 and the bottom plate 3; the herringbone plate 5 comprises a vertical plate 6 penetrating through the top plate 2/the bottom plate 3 and extending to the outside of the box body 1, and a pair of inclined plates 7 symmetrically arranged at one end of the vertical plate 6; the width of the sloping plate 7 is slightly wider than that of the toothed belt 8, and a plurality of first through holes are respectively formed at two ends of the sloping plate 7; the inclined plate 7 is provided with a pressing plate 9 for fixing the toothed belt 8 to be tested, the width of the pressing plate 9 is the same as that of the inclined plate 7, a plurality of second through holes are formed in the position, corresponding to the inclined plate 7, of the pressing plate 9, one end of the toothed belt 8 is placed between the inclined plate 7 and the pressing plate 9, bolts penetrate through the first through holes and the second through holes in the corresponding positions, and nuts are screwed down, so that the toothed belt 8 can be fixed; the pressing plate 9 is provided with a groove meshed with the tooth shape of the toothed belt 8, so that the toothed belt 8 can be better fixed on the herringbone plate 5, and the toothed belt 8 is prevented from sliding in the fatigue test process, so that the error of the test result is larger; the pair of risers 6 are connected with a fatigue testing machine, and the fatigue testing machine drives the pair of risers 6 to move up and down and continuously adjusts the interval between the two risers 6 to realize the alternate stretching and compression of the toothed belt 8; a heating plate 10 for heating the inside of the box body 1 is arranged on the inner wall of one side of the box body 1 to adjust the temperature of the inside of the box body 1, and heat insulation materials are paved on the inner walls of the top plate 2, the bottom plate 3 and the side plate 4 of the box body 1 to ensure the test temperature of the inside of the box body 1; the top plate 2 of the box body 1 is provided with a humidifying channel 11, a salt spray channel 12 and an air flow channel 13 which are communicated with the outside, the humidifying channel 11 is connected with an external humidifying device to adjust the humidity inside the box body 1, the salt spray channel 12 is connected with an external device for generating salt spray to change the salt spray concentration inside the box body 1, and the air flow channel 13 is communicated with the outside atmosphere to adjust the air pressure balance inside the box body 1 and the outside; the circulating fan 14 is arranged on the bottom plate 3 of the box body 1, so that air in the box body 1 can flow, and uneven distribution of temperature, humidity and salt fog concentration can be prevented. It should be noted that the fatigue testing machine is a conventional technology, and is not described herein.
In a preferred embodiment, the toothed belt environmental test chamber further comprises a tensioning device arranged in the middle of the chamber 1; the tensioning device comprises a first tensioning wheel 15 and a second tensioning wheel 16, wherein the first tensioning wheel 15 and the second tensioning wheel 16 are hemispheres and are arranged between two toothed belts 8 to be tested, and the arc surface of the first tensioning wheel 15 and the arc surface of the second tensioning wheel 16 are respectively contacted with the two toothed belts 8 to be tested; the tensioning device further comprises a pair of cylindrical supporting rods 17 with equal length, wherein the cylindrical supporting rods 17 are arranged between the first tensioning wheel 15 and the second tensioning wheel 16 and are used for simulating the actual loading condition of the toothed belt 8 during operation, the toothed belt environment test box is provided with a plurality of pairs of supporting rods 17 with unequal lengths, and an operator can select a pair of supporting rods 17 with proper lengths according to actual needs and arrange the pair of supporting rods 17 between the first tensioning wheel 15 and the second tensioning wheel 16 so as to adjust the distance between the first tensioning wheel 15 and the second tensioning wheel 16, so that the wrap angle of the toothed belt 8 is changed; the both sides of bottom plate 3 are equipped with a pair of slide rail support frame 20, and slide rail support frame 20's top is fixed with a pair of slide rail 19 that spanes two slide rail support frames 20, and the both ends of first take-up pulley 15 and second take-up pulley 16 are connected with a pair of slider 18 respectively, and first take-up pulley 15 and second take-up pulley 16 pass through slider 18 sliding connection respectively on a pair of slide rail 19, and when setting up the profile of tooth area 8 atress in first take-up pulley 15 and second take-up pulley 16 both sides uneven, first take-up pulley 15 and second take-up pulley 16 can drive slider 18 and slide along slide rail 19 in order to automatically regulated, have played the effect of automatic centering.
When the toothed belt environment test box provided by the embodiment of the application is used, firstly, two toothed belt 8 test samples with certain lengths are selected, tooth surfaces of the test samples are outwards placed on the inclined plate 7, the test samples are fixed on the inclined plate 7 through four pressing plates 9 and bolts and nuts matched with the pressing plates, and the grooves of the pressing plates 9 are meshed with the tooth shapes of the toothed belts 8 to prevent the toothed belts 8 from sliding in the test; secondly, placing the test box on a fatigue testing machine, and connecting a pair of vertical plates 6 with the fatigue testing machine; finally, respectively introducing moisture and salt fog into the test box through the humidifying channel 11 and the salt fog channel 12, starting the heating plate 10 to start working, starting the circulating fan 14, after a period of time, starting the fatigue testing machine to perform fatigue test after the temperature, humidity and salt fog environment in the test box meet the requirements and are stable and uniformly distributed; and after the fatigue testing machine is loaded, taking out the toothed belt 8 for analysis. It should be noted that, the device may consider the influence of any environmental factor among temperature, humidity or salt fog concentration on the fatigue life of the toothed belt 8 alone, or may consider the influence of multiple factors on the fatigue life of the toothed belt 8 comprehensively, and in practical application, one or more environmental factors may be selected appropriately according to actual needs. The toothed belt environment test box adopts an integrated design, and can simulate a severe environment for the toothed belt 8, so that the influence of severe environment factors such as temperature, humidity, salt fog and the like on the fatigue life of the toothed belt 8 can be considered simultaneously when a fatigue test is carried out. In addition, the device can test two toothed belts 8 simultaneously, shortens test time, and reduces time cost.
Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. The foregoing is merely a preferred embodiment of the present application, and it should be noted that, due to the limited text expressions, there is objectively no limit to the specific structure, and it will be apparent to those skilled in the art that numerous modifications, adaptations or variations can be made therein without departing from the principles of the present invention, and the above technical features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the concepts and aspects of the invention in other applications without modification, are intended to be within the scope of this application.
Claims (6)
1. The toothed belt environment test box is matched with a fatigue tester to test the fatigue life of a toothed belt (8), and is characterized by comprising a box body (1); the box body (1) comprises a top plate (2), a bottom plate (3) and a side plate (4) arranged between the top plate (2) and the bottom plate (3); a pair of herringbone plates (5) with openings facing the inside of the box body (1) are symmetrically arranged on the top plate (2) and the bottom plate (3); the herringbone plate (5) comprises a vertical plate (6) penetrating through the top plate (2)/bottom plate (3) and extending to the outside of the box body (1), and a pair of inclined plates (7) symmetrically arranged at one end of the vertical plate (6); the inclined plate (7) is provided with a pressing plate (9) for fixing the toothed belt (8); a pair of risers (6) connected to the fatigue tester for adjusting the spacing between the two risers (6); a heating plate (10) is arranged in the box body (1); the box body (1) is provided with a humidifying channel (11), a salt fog channel (12) and an air flow channel (13) which are communicated with the outside;
the toothed belt environment test box further comprises a tensioning device arranged in the middle of the box body (1); the tensioning device comprises a first tensioning wheel (15), a second tensioning wheel (16) and a supporting rod (17) arranged between the first tensioning wheel (15) and the second tensioning wheel (16); the first tensioning wheel (15) and the second tensioning wheel (16) are hemispheres and are arranged in the middle of the toothed belt (8) to be tested, and the arc surface of the first tensioning wheel (15) and the arc surface of the second tensioning wheel (16) are respectively contacted with the two toothed belts (8) to be tested;
the toothed belt environment test box is provided with a plurality of pairs of support rods (17) with different lengths, and an operator can select a pair of support rods (17) with proper lengths according to actual needs and place the support rods between the first tensioning wheel (15) and the second tensioning wheel (16) so as to adjust the distance between the first tensioning wheel (15) and the second tensioning wheel (16), thereby changing the wrap angle of the toothed belt (8).
2. The toothed belt environment test box according to claim 1, characterized in that a sliding rail (19) is arranged in the middle of the box body (1); the first tensioning wheel (15) and the second tensioning wheel (16) are respectively connected to the sliding rail (19) in a sliding mode through a sliding block (18).
3. Toothed belt environment test chamber according to claim 2, characterized in that the base plate (3) is provided with a slide rail support (20) for fixing the slide rail (19).
4. Toothed belt environment test chamber according to claim 1, characterized in that the inside of the chamber (1) is provided with a circulation fan (14).
5. Toothed belt environment test chamber according to claim 1, characterized in that the pressure plate (9) is provided with grooves which mesh with the tooth form of the toothed belt (8).
6. Toothed belt environment test chamber according to claim 1, characterized in that the top plate (2), the bottom plate (3) and the inner walls of the side plates (4) are all laid with thermal insulation materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561197.9A CN110194312B (en) | 2019-06-26 | 2019-06-26 | Toothed belt environment test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561197.9A CN110194312B (en) | 2019-06-26 | 2019-06-26 | Toothed belt environment test box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110194312A CN110194312A (en) | 2019-09-03 |
| CN110194312B true CN110194312B (en) | 2024-04-02 |
Family
ID=67755207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910561197.9A Active CN110194312B (en) | 2019-06-26 | 2019-06-26 | Toothed belt environment test box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110194312B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546305A (en) * | 2020-05-14 | 2020-08-18 | 安徽法雷特热交换科技有限公司 | Auto radiator rack in salt fog test box |
| CN115077897B (en) * | 2022-06-22 | 2023-08-08 | 燕山大学 | Toothed belt dynamic fatigue test device used in salt fog environment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203083822U (en) * | 2013-01-18 | 2013-07-24 | 青岛征和工业有限公司 | Chain high-frequency testing machine clamping device |
| CN204705481U (en) * | 2015-05-12 | 2015-10-14 | 苏州星火量测设备有限公司 | Electro spindle running-in machine |
| CN106289759A (en) * | 2016-07-18 | 2017-01-04 | 中国矿业大学 | The fretting corrosion fatigue experimental device of a kind of heavy duty drag conveyor round-link chain and method |
| CN107305158A (en) * | 2016-04-22 | 2017-10-31 | 罗伯特·博世有限公司 | Method for determining the abrasion of the belt in belt drive |
| CN108709741A (en) * | 2018-08-23 | 2018-10-26 | 无锡市宝业机械制造有限公司 | Toothed belt special fatigue test machine |
| CN109406140A (en) * | 2018-12-20 | 2019-03-01 | 阿雷法(苏州)汽车部件有限公司 | A kind of V band fatigue tester |
| CN208828451U (en) * | 2018-09-12 | 2019-05-07 | 东莞市元耀电子科技有限公司 | A kind of fan blade environmental longevity test box |
| CN210311408U (en) * | 2019-06-26 | 2020-04-14 | 河北工业大学 | Toothed belt environmental test box |
-
2019
- 2019-06-26 CN CN201910561197.9A patent/CN110194312B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203083822U (en) * | 2013-01-18 | 2013-07-24 | 青岛征和工业有限公司 | Chain high-frequency testing machine clamping device |
| CN204705481U (en) * | 2015-05-12 | 2015-10-14 | 苏州星火量测设备有限公司 | Electro spindle running-in machine |
| CN107305158A (en) * | 2016-04-22 | 2017-10-31 | 罗伯特·博世有限公司 | Method for determining the abrasion of the belt in belt drive |
| CN106289759A (en) * | 2016-07-18 | 2017-01-04 | 中国矿业大学 | The fretting corrosion fatigue experimental device of a kind of heavy duty drag conveyor round-link chain and method |
| CN108709741A (en) * | 2018-08-23 | 2018-10-26 | 无锡市宝业机械制造有限公司 | Toothed belt special fatigue test machine |
| CN208828451U (en) * | 2018-09-12 | 2019-05-07 | 东莞市元耀电子科技有限公司 | A kind of fan blade environmental longevity test box |
| CN109406140A (en) * | 2018-12-20 | 2019-03-01 | 阿雷法(苏州)汽车部件有限公司 | A kind of V band fatigue tester |
| CN210311408U (en) * | 2019-06-26 | 2020-04-14 | 河北工业大学 | Toothed belt environmental test box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110194312A (en) | 2019-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110194312B (en) | Toothed belt environment test box | |
| KR100648919B1 (en) | Pick and place apparatus | |
| CN210311408U (en) | Toothed belt environmental test box | |
| CN105973799B (en) | Multispecimen humid heat cycling and alternating load coupling dynamic testing device | |
| CN101368787A (en) | Sheet material drying apparatus and method | |
| CN107702897A (en) | The optical characteristics automatic measurement board of flat-panel monitor under high and low temperature environment | |
| CN101769854A (en) | Tester for anti-skid property of soles | |
| JP2003515087A (en) | Roller track dryer | |
| US7498831B2 (en) | Conduction-cooled accelerated test fixture | |
| CN109664492A (en) | A kind of honeycomb plate stretching special machine | |
| CN212585343U (en) | Wood board drying equipment | |
| CN112697283B (en) | High-low temperature box and method for calibrating production line temperature measuring equipment by using high-low temperature box | |
| CN204925364U (en) | Online test equipment is used in LED encapsulation | |
| CN218470432U (en) | Elevator retinue cable testing arrangement | |
| JP3973016B2 (en) | Peel strength inspection device | |
| CN207425181U (en) | A kind of high school physics uniformly accelerated motion tester | |
| KR102156530B1 (en) | Testing device with wall greening for testing thermal insulation thereof | |
| CN205670115U (en) | Multispecimen moisture and hot ageing and alternate load Coupled Dynamic assay device | |
| CN111999573A (en) | Aging test equipment | |
| JP4260834B2 (en) | Peel strength inspection device | |
| CN114733581B (en) | High-low temperature damp-heat test box | |
| CN204777784U (en) | Be applied to PCB test carrying platform's belt group | |
| CN218945104U (en) | High-temperature test box with adjustable layer rack | |
| CN217033365U (en) | Creep testing device and tension-compression creep testing system | |
| RU67923U1 (en) | DEVICE FOR COOLING WOODEN PARTICLES |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |