CN112958474A - Detection tool for battery pack performance - Google Patents
Detection tool for battery pack performance Download PDFInfo
- Publication number
- CN112958474A CN112958474A CN202110382996.7A CN202110382996A CN112958474A CN 112958474 A CN112958474 A CN 112958474A CN 202110382996 A CN202110382996 A CN 202110382996A CN 112958474 A CN112958474 A CN 112958474A
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- battery pack
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- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 238000012216 screening Methods 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 6
- 230000002950 deficient Effects 0.000 abstract description 5
- 230000033001 locomotion Effects 0.000 description 6
- 230000000670 limiting effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/04—Sorting according to size
- B07C5/06—Sorting according to size measured mechanically
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a detection tool for performance of a battery pack, which comprises a base, a second box body and a third box body, wherein a moving device is arranged in the second box body, the moving device comprises a first driving motor fixedly arranged in the second box body, an output shaft of the first driving motor is in transmission connection with a screw rod, the screw rod is in screwed connection with a first sliding block through threads, the bottom of the first sliding block is rotatably connected with a first connecting rod, and the first connecting rod is rotatably connected with a second connecting rod through the second sliding block. According to the invention, the first driving motor drives the screw rod to rotate, the first sliding block is driven to move, the second connecting rod moves the first rack plate to move, and the first rack plate moves to drive the push plate to move, so that the purpose of separating batteries with diameters meeting and not meeting standards is realized, and the condition that defective batteries are mixed into qualified batteries due to the fact that the accuracy of battery thickness detection is influenced by the fact that the workers can not resist factors such as body fatigue after long-time high-intensity work is avoided.
Description
Technical Field
The invention relates to the technical field of battery pack performance detection tools, in particular to a battery pack performance detection tool.
Background
The battery, its theory of operation is the process of converting chemical energy into electric energy, and the battery needs strict treatment in the manufacturing process, wherein, in the detection to the group battery performance, in order to avoid the too big unable normal installation that leads to of group battery thickness, carries out the detection of battery thickness and is the crucial detection process.
When the thickness of the battery is detected in the conventional detection tool, a worker generally measures the thickness of the battery by using a caliper and rejects defective batteries which do not meet the qualified standard of the battery, however, after the worker works for a long time at high strength, the accuracy of the thickness detection of the battery is influenced by body fatigue and other nonresistant factors, and the defective batteries are mixed into the qualified batteries, so that the detection tool for the performance of the battery pack provided by the invention replaces manpower with machinery, and the problem caused by the body fatigue of the worker is avoided.
Disclosure of Invention
In order to solve the problems mentioned in the background art, a tool for detecting the performance of a battery pack is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a detection tool for battery pack performance comprises a base, a second box body and a third box body, wherein a first box body is fixedly installed on the base, a first sliding groove is installed at the bottom of the second box body in a sliding mode, a rotating shaft is installed in the second box body in a rotating mode, and a moving device for pushing a battery to move is arranged in the second box body;
the moving device comprises a first driving motor fixedly installed in a second box body, an output shaft of the first driving motor is connected with a screw rod in a transmission mode, the screw rod is connected with a first sliding block in a screwing mode through threads, the bottom of the first sliding block is connected with a first connecting rod in a rotating mode, the first connecting rod is connected with a second connecting rod in a rotating mode through a second sliding block, the second connecting rod is connected with a rotating shaft in a rotating mode, a first gear is installed on the rotating shaft in a rotating mode, the first gear is connected with a first rack plate in a meshing mode, a second supporting plate is fixedly installed on the first rack plate, and a push plate is fixedly installed on one side of the second supporting;
the first conveying plate and the second conveying plate are arranged in the first box body, a first conveying belt is connected to the first conveying plate in a sliding mode, and a second conveying belt is connected to the second conveying plate in a sliding mode.
As a further description of the above technical solution:
the automatic conveying device is characterized in that a second driving motor is fixedly mounted on the outer side of the first box body, an output shaft of the second driving motor is in transmission connection with a first transmission shaft, a free end of the first transmission shaft is fixedly connected with a transmission wheel, a clamping plate is fixedly mounted at the bottom of the first box body, a clamping rod is fixedly mounted on the clamping plate, and the clamping rod is in sliding connection with the first conveying belt.
As a further description of the above technical solution:
third box outside fixed mounting has servo motor, servo motor's output shaft transmission is connected with the second transmission shaft, rotate on the second transmission shaft and install the second gear, the meshing of second gear is connected with the second rack board, fixed mounting has the second bracing piece on the second rack board, second bracing piece fixedly connected with slide, fixed mounting has the dead lever on the slide.
As a further description of the above technical solution:
the third box body is fixedly provided with a fixed plate, the fixed plate is fixedly provided with a storage plate, the storage plate is semicircular, and the storage plate is provided with scale marks.
As a further description of the above technical solution:
and the second box body is provided with a through groove matched with the width of the second supporting plate.
As a further description of the above technical solution:
and the first rack plate is connected with the second box body in a sliding mode through the first supporting rod.
As a further description of the above technical solution:
a partition board is fixedly mounted in the third box body, a third supporting rod is fixedly mounted on the partition board, and the second rack plate is connected with the third box body through the third supporting rod in a sliding mode.
As a further description of the above technical solution:
the first conveying plate is fixedly provided with a first supporting plate, and a screening rod is fixedly arranged between the first supporting plates on two sides.
As a further description of the above technical solution:
through grooves are formed in two sides of the first box body, and a second sliding groove matched with the diameter of the sliding plate is formed in the third box body.
As a further description of the above technical solution:
the first gears on two sides are symmetrically arranged around the first driving motor.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, through the limiting function of the screening rod, batteries with diameters meeting the standard pass through the screening rod, meanwhile, batteries which do not meet the standard are clamped at one side of the screening rod close to the second box body, the screw rod is driven to rotate by the first driving motor, the first slide block is driven to move according to the screw thread transmission principle, the first slide block drives the first connecting rod to move, the first connecting rod drives the second slide block to move, and further drives the second connecting rod to move, the second connecting rod drives the rotating shaft to rotate, and further drives the first gear to rotate, the first rack plate is driven to move according to the meshing transmission principle of the clamping teeth, the first rack plate drives the second support plate to move, and further drives the push plate to move, so that the batteries which do not meet the diameter standard are moved onto the second conveying belt, the purpose of separating the batteries with diameters meeting the standard and the batteries which do not meet the standard is realized, after workers work for a long time at high intensity, the accuracy of battery thickness detection is influenced due to body fatigue and other irresistible factors, and defective batteries are mixed into qualified batteries.
2. According to the invention, a battery with the length to be measured is placed on the object placing plate, the servo motor drives the second transmission shaft to rotate, the second transmission shaft drives the second gear to move after rotating, the second rack plate is driven to move in the horizontal direction according to the meshing transmission principle of the latch, the second rack plate is driven to move by moving, the sliding plate is driven by moving of the second rack plate to move so as to drive the fixing rod to move close to the fixing plate, the purpose of fixing the battery is realized, the purpose of detecting whether the length of the battery meets the standard or not is realized by comparing the battery with the scale mark of the object placing plate, the purpose of fixing the battery by the fixing rod is realized, and the condition that the detection result is inaccurate due to a.
Drawings
Fig. 1 is a schematic front view illustrating a tool for detecting performance of a battery pack according to an embodiment of the present invention;
fig. 2 is a schematic three-dimensional structure diagram of a mobile device of a battery pack performance detection tool according to an embodiment of the invention;
fig. 3 is a schematic top view of the interior of a first box of a battery pack performance detection tool according to an embodiment of the invention;
fig. 4 is a schematic side view illustrating a moving device of a battery pack performance detection tool according to an embodiment of the present invention;
fig. 5 is a schematic side view illustrating a third box of the battery pack performance testing tool according to the embodiment of the invention;
fig. 6 is a schematic top view illustrating an interior of a third box of the battery performance testing tool according to the embodiment of the invention;
fig. 7 is a schematic side view of a first conveyor belt of a battery pack performance testing tool according to an embodiment of the invention;
fig. 8 is a schematic top view illustrating a second box of the battery performance testing tool according to the embodiment of the invention.
Illustration of the drawings:
1. a base; 2. a splint; 3. a clamping bar; 4. a first drive motor; 5. a first conveyor belt; 6. a first transfer plate; 7. a first drive shaft; 8. a driving wheel; 9. a fixing plate; 10. a first support plate; 11. pushing the plate; 12. a first case; 13. a second support plate; 14. a first rack plate; 15. a rotating shaft; 16. a first gear; 17. a first link; 18. a second link; 19. a second case; 20. a first slider; 21. a screw; 22. a second slider; 23. a first chute; 24. a first support bar; 25. a screening rod; 26. a third box body; 27. a second transfer plate; 28. a second conveyor belt; 29. a second support bar; 30. a slide plate; 31. a second chute; 32. fixing the rod; 33. a storage plate; 34. a second drive motor; 35. a second gear; 36. a second rack plate; 37. a servo motor; 38. a third support bar; 39. a second drive shaft; 40. a separator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-8, the present invention provides a technical solution: a detection tool for battery pack performance comprises a base 1, a second box 19 and a third box 26, wherein a first box 12 is fixedly mounted on the base 1, a first sliding groove 23 is slidably mounted at the bottom of the second box 19, a rotating shaft 15 is rotatably mounted in the second box 19, and a moving device for pushing a battery to move is arranged in the second box 19;
the moving device comprises a first driving motor 4 fixedly installed in a second box 19, an output shaft of the first driving motor 4 is in transmission connection with a screw 21, the screw 21 is in screwed connection with a first slider 20 through threads, the bottom of the first slider 20 is in rotary connection with a first connecting rod 17, the first connecting rod 17 is in rotary connection with a second connecting rod 18 through a second slider 22, the second connecting rod 18 is in rotary connection with a rotating shaft 15, a first gear 16 is rotatably installed on the rotating shaft 15, the first gear 16 is in meshed connection with a first rack plate 14, a second supporting plate 13 is fixedly installed on the first rack plate 14, and a push plate 11 is fixedly installed on one side of the second supporting plate 13;
a first conveying plate 6 and a second conveying plate 27 are arranged in the first box body 12, a first conveying belt 5 is connected onto the first conveying plate 6 in a sliding mode, and a second conveying belt 28 is connected onto the second conveying plate 27 in a sliding mode;
through the limiting function of the screening rod 25, the battery with the diameter meeting the standard passes through the screening rod 25, meanwhile, the battery card not meeting the standard is clamped on one side of the screening rod 25, the screw 21 is driven to rotate by the first driving motor 4, the first slide block 20 is driven to move according to the screw thread transmission principle, the first slide block 20 is driven to drive the first connecting rod 17 to move, the first connecting rod 17 drives the second slide block 22 to move, and further drives the second connecting rod 18 to move, the second connecting rod 18 drives the rotating shaft 15 to rotate, and further drives the first gear 16 to rotate, according to the meshing transmission principle of the latch, the first rack plate 14 is driven to move, the first rack plate 14 drives the second supporting plate 13 to move, and further drives the push plate 11 to move, so that the battery not meeting the diameter standard is moved onto the second conveying belt 28, and the purpose of separating the battery with the diameter meeting the standard and the battery, the condition that defective batteries are mixed into qualified batteries is avoided when the accuracy of battery thickness detection is influenced by non-resistance factors such as body fatigue after workers work for a long time at high strength.
Referring to fig. 1 and 3, a second driving motor 34 is fixedly installed on the outer side of the first box 12, an output shaft of the second driving motor 34 is in transmission connection with a first transmission shaft 7, a free end of the first transmission shaft 7 is fixedly connected with a transmission wheel 8, a clamping plate 2 is fixedly installed at the bottom of the first box 12, a clamping rod 3 is fixedly installed on the clamping plate 2, and the clamping rod 3 is in sliding connection with the first transmission belt 5;
through the rotation of second driving motor 34 drive first transmission shaft 7, move through first transmission shaft 7 and drive the motion of drive wheel 8, and then drive the motion of first conveyer belt 5, realize transporting the battery that the diameter accords with the standard and be close to the purpose of second driving motor 34, make first conveyer belt 5 and second conveyer belt 28 be difficult to relax through the clamping action of splint 2 and clamping bar 3, avoided the condition of artificial taut.
Referring to fig. 5 and 6, a servo motor 37 is fixedly mounted on the outer side of the third box 26, an output shaft of the servo motor 37 is in transmission connection with a second transmission shaft 39, a second gear 35 is rotatably mounted on the second transmission shaft 39, the second gear 35 is in meshing connection with a second rack plate 36, a second supporting rod 29 is fixedly mounted on the second rack plate 36, a sliding plate 30 is fixedly connected to the second supporting rod 29, and a fixing rod 32 is fixedly mounted on the sliding plate 30;
drive second transmission shaft 39 through servo motor 37 and rotate, second transmission shaft 39 rotates the back and drives group second gear 35 motion, according to the meshing transmission principle of latch, drive second rack board 36 moves on the horizontal direction, the removal of second rack board 36 drives the slide 30 motion and then drives dead lever 32 to be close to fixed plate 9 motion, realize the purpose of fixed battery, carry out the purpose that whether comparison realization detection battery length accords with the standard through the battery and the scale mark of putting thing board 33, fix the battery purpose through dead lever 32, avoided because the battery with put the gap that produces between the thing board 33, lead to the inaccurate condition of testing result.
Referring to fig. 1 and 3, a fixing plate 9 is fixedly installed on the third box 26, an object placing plate 33 is fixedly installed on the fixing plate 9, the object placing plate 33 is semicircular, and scale marks are arranged on the object placing plate 33, so that the purpose of detecting whether the length of the battery meets the standard is achieved by comparing the battery with the scale marks on the object placing plate 33.
Referring to fig. 8, the second box 19 is provided with a through slot adapted to the width of the second supporting plate 13, so that the second supporting plate 13 can reciprocate on the second box 19 through the through slot.
Referring to fig. 1 and 2, the first rack plate 14 is slidably coupled to the second housing 19 via a first support rod 24, and the first rack plate 14 is reciprocally moved in the horizontal direction by the sliding coupling between the first rack plate 14 and the first support rod 24.
Referring to fig. 5 and 6, a partition 40 is fixedly installed in the third box 26, a third supporting rod 38 is fixedly installed on the partition 40, the second rack bar 36 is slidably connected with the third box 26 through the third supporting rod 38, and the second rack bar 36 is horizontally reciprocated through the sliding connection between the second rack bar 36 and the third supporting rod 38.
Referring to fig. 1 and 3, the first supporting plate 10 is fixedly installed on the first conveying plate 6, the screening rod 25 is fixedly installed between the first supporting plates 10 on both sides, and the battery with the diameter meeting the standard passes through the screening rod 25 and the battery with the diameter not meeting the standard cannot pass through the screening rod 25 by the limiting function of the screening rod 25.
Referring to fig. 1 and 3, through slots are formed on both sides of the first box 12, a second chute 31 adapted to the diameter of the slide 30 is formed on the third box 26, and the slide 30 can move in the horizontal direction through the second chute 31.
Referring to fig. 1, the first gears 16 on both sides are symmetrically disposed with respect to the first driving motor 4, and the first rack plate 14 can smoothly move in the horizontal direction by the first gears 16 on both sides.
The working principle is as follows: when the detection device is used, firstly, a battery to be detected is placed on the first conveyor belt 5, the battery with the diameter meeting the standard passes through the screening rod 25 through the limiting effect of the screening rod 25, meanwhile, the battery which does not meet the standard is clamped on one side of the screening rod 25, the screw rod 21 is driven to rotate through the first driving motor 4, the first slider 20 is driven to move according to the thread transmission principle, the first slider 20 moves to drive the first connecting rod 17 to move, the first connecting rod 17 moves to drive the second slider 22 to move, and further the second connecting rod 18 moves to drive the rotating shaft 15 to rotate, and further the first gear 16 is driven to rotate, the first rack plate 14 is driven to move according to the meshing transmission principle of the clamping teeth, the first rack plate 14 moves to drive the second supporting plate 13 to move, and further the push plate 11 is driven to move, so that the battery which does not meet the diameter standard is moved to the second conveyor belt 28, the purpose of separating batteries with the diameters meeting the standard vertebra and the diameters not meeting the standard is achieved, and the situation that inferior batteries are mixed into qualified batteries due to the fact that the accuracy of battery thickness detection is influenced by non-resistance factors such as body fatigue and the like after workers work for a long time at high intensity is avoided;
secondly, batteries with the diameter meeting the standard enter the other side of the screening rod 25, the batteries with the length to be measured are placed on the object placing plate 33, the servo motor 37 drives the second transmission shaft 39 to rotate, the second transmission shaft 39 drives the second gear 35 to move after rotating, the second rack plate 36 is driven to move in the horizontal direction according to the meshing transmission principle of the clamping teeth, the sliding plate 30 is driven to move by the movement of the second rack plate 36, the fixing rod 32 is driven to move towards the fixing plate 9, the purpose of fixing the batteries is achieved, the purpose of detecting whether the lengths of the batteries meet the standard or not is achieved by comparing the batteries with the scale marks of the object placing plate 33, the purpose of fixing the batteries through the fixing rod 32 is achieved, and the condition that the detection result is inaccurate due to gaps generated between the batteries and the object placing plate 33.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The detection tool for the performance of the battery pack comprises a base (1), a second box body (19) and a third box body (26), and is characterized in that the base (1) is fixedly provided with a first box body (12), the bottom of the second box body (19) is slidably provided with a first sliding chute (23), the second box body (19) is rotatably provided with a rotating shaft (15), and a moving device for pushing a battery to move is arranged in the second box body (19);
the moving device comprises a first driving motor (4) fixedly installed in a second box body (19), an output shaft of the first driving motor (4) is in transmission connection with a screw rod (21), the screw rod (21) is connected with a first sliding block (20) in a screwing mode through threads, the bottom of the first sliding block (20) is rotatably connected with a first connecting rod (17), the first connecting rod (17) is rotatably connected with a second connecting rod (18) through a second sliding block (22), the second connecting rod (18) is rotatably connected with a rotating shaft (15), a first gear (16) is rotatably installed on the rotating shaft (15), the first gear (16) is meshed with a first rack plate (14), a second supporting plate (13) is fixedly installed on the first rack plate (14), and a push plate (11) is fixedly installed on one side of the second supporting plate (13);
be equipped with first conveying board (6) and second conveying board (27) in first box (12), sliding connection has first conveyer belt (5) on first conveying board (6), sliding connection has second conveyer belt (28) on second conveying board (27).
2. The tool for detecting the performance of the battery pack according to claim 1, wherein a second driving motor (34) is fixedly mounted on the outer side of the first box body (12), an output shaft of the second driving motor (34) is in transmission connection with a first transmission shaft (7), a free end of the first transmission shaft (7) is fixedly connected with a transmission wheel (8), a clamping plate (2) is fixedly mounted at the bottom of the first box body (12), a clamping rod (3) is fixedly mounted on the clamping plate (2), and the clamping rod (3) is in sliding connection with the first transmission belt (5).
3. The tool for detecting the performance of the battery pack according to claim 2, wherein a servo motor (37) is fixedly mounted on the outer side of the third box (26), an output shaft of the servo motor (37) is in transmission connection with a second transmission shaft (39), a second gear (35) is rotatably mounted on the second transmission shaft (39), the second gear (35) is in meshing connection with a second rack plate (36), a second support rod (29) is fixedly mounted on the second rack plate (36), a sliding plate (30) is fixedly connected to the second support rod (29), and a fixing rod (32) is fixedly mounted on the sliding plate (30).
4. The tool for detecting the performance of the battery pack according to claim 3, wherein a fixing plate (9) is fixedly mounted on the third box body (26), an object placing plate (33) is fixedly mounted on the fixing plate (9), the object placing plate (33) is semicircular, and scale marks are arranged on the object placing plate (33).
5. The tool for detecting the performance of the battery pack according to claim 4, wherein a through groove matched with the width of the second support plate (13) is formed in the second box body (19).
6. The tool for detecting the performance of the battery pack according to claim 5, wherein the first rack plate (14) is slidably connected with the second box body (19) through a first support rod (24).
7. The tool for detecting the performance of the battery pack according to claim 6, wherein a partition plate (40) is fixedly installed in the third box body (26), a third supporting rod (38) is fixedly installed on the partition plate (40), and the second rack plate (36) is connected with the third box body (26) through the third supporting rod (38) in a sliding manner.
8. The tool for detecting the performance of the battery pack according to claim 7, wherein the first supporting plate (10) is fixedly installed on the first conveying plate (6), and the screening rod (25) is fixedly installed between the first supporting plates (10) on two sides.
9. The tool for detecting the performance of the battery pack according to claim 8, wherein through grooves are formed in two sides of the first box body (12), and a second sliding groove (31) matched with the diameter of the sliding plate (30) is formed in the third box body (26).
10. The tool for detecting the performance of the battery pack according to claim 9, wherein the first gears (16) on two sides are symmetrically arranged about the first driving motor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110382996.7A CN112958474A (en) | 2021-04-09 | 2021-04-09 | Detection tool for battery pack performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110382996.7A CN112958474A (en) | 2021-04-09 | 2021-04-09 | Detection tool for battery pack performance |
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| Publication Number | Publication Date |
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| CN112958474A true CN112958474A (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110382996.7A Pending CN112958474A (en) | 2021-04-09 | 2021-04-09 | Detection tool for battery pack performance |
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| CN214812757U (en) * | 2021-04-09 | 2021-11-23 | 安徽绿沃循环能源科技有限公司 | Detection tool for battery pack performance |
| CN215296072U (en) * | 2021-03-22 | 2021-12-24 | 太仓东青金属制品有限公司 | Intracranial catheter length and quality detection device |
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2021
- 2021-04-09 CN CN202110382996.7A patent/CN112958474A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130305835A1 (en) * | 2011-06-09 | 2013-11-21 | Rosendahl Maschinen Gmbh | Method and device for testing battery plate packs |
| CN208108966U (en) * | 2018-03-14 | 2018-11-16 | 绍兴和为贵轴承有限公司 | A kind of Production of bearing width detecting |
| CN208928606U (en) * | 2018-10-23 | 2019-06-04 | 上海高节自动化系统有限公司 | A kind of reciprocating quick flexible sorter for logistics |
| CN211989764U (en) * | 2020-01-08 | 2020-11-24 | 江苏斯诺登建材科技有限公司 | Weighing equipment is used in processing of low coefficient of heat conductivity high strength rock wool board |
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| CN215296072U (en) * | 2021-03-22 | 2021-12-24 | 太仓东青金属制品有限公司 | Intracranial catheter length and quality detection device |
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