CN220251658U - Lead plaster plasticity and apparent density detection device for lead-acid storage battery - Google Patents
Lead plaster plasticity and apparent density detection device for lead-acid storage battery Download PDFInfo
- Publication number
- CN220251658U CN220251658U CN202321756724.XU CN202321756724U CN220251658U CN 220251658 U CN220251658 U CN 220251658U CN 202321756724 U CN202321756724 U CN 202321756724U CN 220251658 U CN220251658 U CN 220251658U
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- lead
- cup body
- paste
- plasticity
- apparent density
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- 239000011505 plaster Substances 0.000 title claims abstract description 66
- 239000002253 acid Substances 0.000 title claims abstract description 30
- 238000003860 storage Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 title claims description 19
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 239000010935 stainless steel Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 235000011837 pasties Nutrition 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a device for detecting plasticity and apparent density of lead plaster of a lead-acid storage battery, which comprises a cup body, a plaster baffle plate and a bracket; the cup body is provided with a containing cavity penetrating through the cup body, and the cup body is also provided with a through groove; the paste baffle can move in the through groove, the accommodating cavity is divided into an upper part and a lower part by the paste baffle and is not divided by the paste baffle, and the upper part of the accommodating cavity is used for carrying lead paste; the bracket is used for installing the cup body and enabling the cup body to have a certain height from the ground. The utility model divides the containing cavity of the cup body into an upper part and a lower part through the paste baffle, the upper part of the containing cavity is used for bearing the lead paste, then the containing cavity is in a state of not being separated by the paste baffle by moving the paste baffle, the lead paste falls down under the action of gravity, then the falling lead paste is put on a balance to be weighed, and the apparent density of the lead paste is obtained by dividing the weight of the lead paste by the volume of the upper part of the containing cavity; and meanwhile, measuring the height of the falling lead plaster by using a steel rule, and if the height is within a required range, the plasticity is qualified.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a device for detecting plasticity and apparent density of lead plaster of a lead-acid storage battery.
Background
In the production process of the lead-acid storage battery, the polar plate manufacturing procedure needs to coat the lead paste on the grid through a plate coater to form the polar plate. The lead plaster is a pasty substance with certain plasticity, which is formed by mixing and stirring lead powder with certain oxidation degree and apparent density, sulfuric acid, water and additives, so that the plasticity and apparent density of the lead plaster are very important for coating plates, and the quality of polar plates and the quality of subsequent batteries are directly influenced by the quality of the two indexes. Too hard lead plaster can cause polar plate rib leakage, equipment clamping and the like during plate coating, and too soft lead plaster can cause poor binding force between the lead plaster and a grid, which directly affects the quality of subsequent batteries.
The detection of the plasticity and apparent density of the lead-acid storage battery lead plaster is very important in the production process, and if the plasticity and apparent density of the lead plaster do not meet the requirements, the lead plaster can be adjusted by adding water or lead powder in time, so that the loss is reduced. The existing methods for detecting the plasticity and apparent density of the lead plaster by a plurality of manufacturers are quite different, the process is more complex or the sampling amount is larger.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide the lead plaster plasticity and apparent density detection device for the lead-acid storage battery, which can rapidly detect whether the plasticity and apparent density of the lead plaster are in a required range, can be adjusted in time, and is simple to operate and high in efficiency.
According to one aspect of the utility model, there is provided a lead-acid battery lead plaster plasticity and apparent density detection device comprising a cup, a plaster baffle plate and a bracket;
the cup body is provided with a containing cavity penetrating through the cup body, and the cup body is also provided with a through groove;
the paste baffle can move in the through groove, the accommodating cavity is divided into an upper part and a lower part by the paste baffle and is not divided by the paste baffle, and the upper part of the accommodating cavity is used for carrying lead paste;
the bracket is used for installing the cup body and enabling the cup body to have a certain height from the ground.
According to the lead-acid storage battery lead plaster plasticity and apparent density detection device, the accommodating cavity of the cup body is divided into the upper part and the lower part through the plaster baffle plate, the upper part of the accommodating cavity is used for carrying lead plaster, then the accommodating cavity is in a state of not being separated by the plaster baffle plate through moving the plaster baffle plate, the lead plaster falls down under the action of gravity, then the falling lead plaster is placed on the balance for weighing, and the apparent density of the lead plaster is obtained by dividing the weight of the lead plaster by the volume of the upper part of the accommodating cavity; and meanwhile, measuring the height of the falling lead plaster by using a steel rule, and if the height is within a required range, the plasticity is qualified.
In some embodiments, the paste baffle is provided with a through hole, and the through hole communicates the upper and lower parts of the accommodating chamber when the accommodating chamber is in a state of not being partitioned by the paste baffle. Therefore, the upper part and the lower part of the accommodating cavity can be communicated through the through holes without extracting the paste baffle.
In some embodiments, the through-hole is sized to conform to the cross-section of the receiving cavity. Therefore, when the accommodating cavity is in a state of not being separated by the paste baffle, the lead paste in the accommodating cavity can not be blocked by the paste baffle.
In some embodiments, the paste shield is provided with a positioning portion that abuts the cup when the accommodation chamber is in a state not partitioned by the paste shield. Therefore, when the accommodating cavity is in a state of not being separated by the paste baffle, the paste baffle can not move continuously, and the positioning of the through hole and the accommodating cavity is realized.
In some embodiments, the through hole is located in the receiving cavity when the positioning portion abuts the cup body. Thereby, a complete alignment of the through hole with the receiving cavity can be achieved.
In some embodiments, the cup includes an upper cup and a lower cup connected to the upper cup, the through slot being disposed between the upper cup and the lower cup. Thus, the upper cup body and the lower cup body respectively correspond to the upper part and the lower part of the accommodating cavity.
In some embodiments, the cup is provided with a stop portion, the bracket is provided with a mounting through hole, and the stop portion abuts against the bracket when the cup is mounted in the mounting through hole. Thus, the cup body is mounted on the bracket through the mounting through hole.
In some embodiments, the bracket comprises a base, a vertical rod and a cross rod, wherein the vertical rod is connected with the base, the cross rod is connected with the vertical rod, and the mounting through hole is positioned on the cross rod. Therefore, the cup body is arranged at a position with a certain height from the ground through the base, the vertical rod and the cross rod.
In some embodiments, the cross bar is parallel to the base, and the mounting through holes are oriented perpendicular to the base. Thereby, it is ensured that the lead plaster in the accommodation chamber is vertically dropped.
In some embodiments, a template is provided on the base, the template facing the mounting through hole. Thus, the falling lead paste is received by the carrier plate.
Compared with the prior art, the lead-acid storage battery lead plaster plasticity and apparent density detection device provided by the utility model has the advantages that the accommodating cavity of the cup body is divided into the upper part and the lower part through the plaster baffle plate, the upper part of the accommodating cavity is used for carrying lead plaster, then the accommodating cavity is in a state of not being separated by the plaster baffle plate through moving the plaster baffle plate, the lead plaster falls down due to the action of gravity, then the falling lead plaster is placed on the balance for weighing, and the apparent density of the lead plaster is obtained by dividing the weight of the lead plaster by the volume of the upper part of the accommodating cavity; and meanwhile, measuring the height of the falling lead plaster by using a steel rule, and if the height is within a required range, the plasticity is qualified.
Drawings
FIG. 1 is a schematic view of the structure of a cup of a device for detecting the plasticity and apparent density of a lead-acid battery lead paste according to an embodiment of the utility model;
FIG. 2 is a cross-sectional view of a cup of a lead-acid battery lead plaster plasticity and apparent density detection device according to an embodiment of the present utility model;
FIG. 3 is a top view of a paste shield of a lead-acid battery paste plasticity and apparent density detection device according to an embodiment of the present utility model;
FIG. 4 is a side view of a paste shield of a lead-acid battery paste plasticity and apparent density detection device according to an embodiment of the present utility model;
FIG. 5 is an elevation view of a bracket and carrier plate of a lead-acid battery lead plaster plasticity and apparent density testing device according to one embodiment of the present utility model;
fig. 6 is an enlarged view of a portion a in fig. 5;
FIG. 7 is a side view of a bracket of a lead-acid battery lead plaster plasticity and apparent density detection device according to an embodiment of the present utility model;
fig. 8 is a top view of a bracket and a carrier plate of a lead-acid battery lead plaster plasticity and apparent density detection device according to an embodiment of the present utility model.
Reference numerals illustrate: the cup body 100, the accommodating cavity 110, the through groove 120, the upper cup body 130, the lower cup body 140, the limiting part 150, the paste baffle 200, the through hole 210, the positioning part 220, the bracket 300, the mounting through hole 310, the base 320, the vertical rod 330, the cross rod 340 and the template 400.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
The polar plate is composed of lead plaster and slab lattice, the lead plaster is coated on the slab lattice by equipment, the lead plaster is a pasty substance which is formed by mixing and stirring lead powder with a certain oxidation degree and apparent density, sulfuric acid, water and additives and has a certain plasticity, so the properties of the lead plaster are mainly represented by plasticity and apparent density.
According to a first aspect of the utility model, fig. 1-8 schematically illustrate a lead-acid battery lead plaster plasticity and apparent density detection device according to one embodiment of the utility model. As shown in fig. 1 to 8, the device for detecting the plasticity and apparent density of the lead-acid storage battery lead plaster comprises a cup body 100, a plaster baffle 200, a bracket 300 and a template 400.
As shown in fig. 1 and 2, the cup body 100 has a receiving cavity 110 penetrating the cup body 100, and the cup body 100 is further provided with a through groove 120; specifically, the cup body 100 is made of stainless steel, but not limited to stainless steel, the cup body 100 may be made of other hard metal materials, the cup body 100 is not deformed and does not bring impurities to polar plates, the cup body 100 comprises an upper cup body 130 and a lower cup body 140 connected with the upper cup body 130, the upper cup body 130 is consistent with the lower cup body 140 in structure, the upper cup body 130 is approximately in a cylindrical structure, the cross section of a hollow cavity part of the upper cup body 130 is circular, the hollow cavity part of the upper cup body 130 forms the upper part of the accommodating cavity 110, the hollow cavity part of the lower cup body 140 forms the lower part of the accommodating cavity 110, the accommodating cavity 110 is entirely cylindrical, the through groove 120 is arranged between the upper cup body 130 and the lower cup body 140, the through groove 120 is a groove penetrating the cup body 100 slightly larger than the diameter of the accommodating cavity 110 (namely, the inner diameter of the cup body 100), the penetrating direction of the groove is perpendicular to the axial direction of the accommodating cavity 110, and the groove is approximately in a cuboid shape.
As shown in fig. 3 and 4, the paste baffle 200 is made of stainless steel, but is not limited to stainless steel, the paste baffle 200 may be made of other hard metal materials, the paste baffle 200 is not deformed and does not bring impurities to the electrode plate, the paste baffle 200 is approximately rectangular and shaped, the paste baffle 200 can be inserted into the through groove 120 along the length direction of the paste baffle 200, the paste baffle 200 can move in the through groove 120, the width of the paste baffle 200 is matched with the size of the groove, and is slightly larger than the diameter of the containing cavity 110 (i.e. the inner diameter of the cup body 100), the length of the paste baffle 200 is more than twice the diameter of the containing cavity 110 (i.e. the inner diameter of the cup body 100), the paste baffle 200 enables the containing cavity 110 to have a state of being separated into an upper part and a lower part by the paste baffle 120 and a state of not being separated by the paste baffle 200, and the upper part of the containing cavity 110 is used for bearing lead paste when the containing cavity 110 is in a state of being separated into an upper part and a lower part by the paste baffle 120.
The paste baffle 200 is provided with a through hole 210, when the accommodating cavity 110 is in a state of not being separated by the paste baffle 200, the through hole 210 is communicated with the upper part and the lower part of the accommodating cavity 110, namely, in the process that the paste baffle 200 moves in the through groove 120, the paste baffle 200 can cover the upper part and the lower part of the accommodating cavity 110 (namely, the accommodating cavity 110 is in a state of being separated into the upper part and the lower part by the paste baffle 120), in the process that the paste baffle 200 continues to move, the through hole 210 is gradually communicated with the accommodating cavity 110, and finally, the through hole 210 is completely communicated with the accommodating cavity 110 (namely, the accommodating cavity 110 is in a state of not being separated by the paste baffle 200), and the two states of the accommodating cavity 110 can be converted without completely extracting the paste baffle 200, namely, the upper part and the lower part of the accommodating cavity 110 can be communicated through the through hole 210. Note that, the paste baffle 200 may not be provided with the through hole 210, and the paste baffle 200 may be completely removed from the cup 100.
The through hole 210 is identical to the cross section of the accommodating cavity 110 in size, that is, the shape of the through hole 210 is also circular, and the diameter of the through hole 210 is identical to the diameter of the accommodating cavity 110 (that is, the diameter of the cross section of the accommodating cavity 110), so that it is ensured that the lead paste in the upper portion of the accommodating cavity 110 is not blocked by the paste baffle 200 when the accommodating cavity 110 is in a state of not being separated by the paste baffle 200. It should be noted that the cross section of the accommodating cavity 110 may be polygonal, and the corresponding through hole 210 may be polygonal.
The paste baffle 200 is provided with the positioning part 220, the positioning part 220 is provided with two bulges, the two bulges are symmetrically arranged at opposite positions of the front surface and the back surface of the paste baffle 200, the protruding direction of the bulges is parallel to the axial direction of the accommodating cavity 110, when the accommodating cavity 110 is in a state of not being separated by the paste baffle 200, the positioning part 220 is abutted with the cup body 100, the paste baffle 200 can not move continuously when the accommodating cavity 110 is in a state of not being separated by the paste baffle 200, the positioning of the through hole 210 and the accommodating cavity 110 is realized, and when the positioning part 220 is abutted with the cup body 100, the through hole 210 is positioned in the accommodating cavity 110, and the through hole 210 can be completely aligned with the accommodating cavity 110.
As shown in fig. 1, 2, 5, 7 and 8, the bracket 300 is used for installing the cup 100, and the cup 100 has a certain height from the ground, concretely, as shown in fig. 5, 7 and 8, the bracket 300 is provided with an installation through hole 310, as shown in fig. 1 and 2, the corresponding cup 100 is provided with a limiting part 150, the limiting part 150 is a boss arranged at the outer circumference of the cup 100, the boss is positioned at the connection position of the upper cup 130 and the lower cup 140, and the through groove 120 is correspondingly penetrated through the boss, wherein the installation through hole 310 is in a cylinder shape, the inner diameter of the installation through hole 310 is not smaller than the outer diameter of the cup 100, and the inner diameter of the installation through hole 310 is not larger than the outer diameter of the boss, when the cup 100 is installed in the installation through hole 310, the limiting part 150 is abutted with the bracket 300, namely, the lower cup 140 is installed in the installation through hole 310, the limiting part 150 is abutted with the bracket 300 outside the installation through hole 310, and the cup 100 is installed on the bracket. The limiting portion 150 may be disposed on the lower cup 140, and the limiting portion 150 may be spaced apart from the upper cup 130.
As shown in fig. 5, 7 and 8, the support 300 is made of stainless steel, but is not limited to stainless steel, the support 300 may be made of other hard metal materials, the support 300 is not deformed and does not bring impurities to the polar plate, the support 300 includes a base 320, a vertical rod 330 and a cross rod 340, the base 320 is in a substantially rectangular parallelepiped shape, the base 320 is used as a supporting part of the whole structure, the base 320 is placed on a plane, the two vertical rods 330 are oppositely arranged, the two vertical rods 330 are vertically connected with the base, the vertical mode of the vertical rod 330 is in a gravity direction, the cross rod 340 is vertically connected with the vertical rod 330, the cross rod 340 and the vertical rod 330 form an H-shaped structure, the cross rod 340 is parallel to the base 320, the mounting through hole 310 is located at the middle position of the cross rod 340, the direction of the mounting through hole 310 is perpendicular to the base 320, thereby the lead paste in the accommodating cavity 110 can be ensured to be vertically dropped, and the cup 100 is mounted at a position with a certain height from the ground through the base 320, 330 and the cross rod 340.
As shown in fig. 6, the carrier plate 400 is made of stainless steel, but is not limited to stainless steel, the carrier plate 400 may be made of other hard metal or plastic, no impurity is brought to the polar plate, the carrier plate 400 is approximately rectangular, the carrier plate 400 is placed on the base 320, the carrier plate 400 is opposite to the mounting through hole 310, i.e. the center of the carrier plate 400 is right below the mounting through hole 310, the width of the carrier plate 400 is slightly smaller than the width between the two vertical rods 330, and the carrier plate 400 can be freely extracted to receive the falling lead paste through the carrier plate 400.
The lead plaster plasticity and apparent density detection device of the lead-acid storage battery comprises the following using processes: placing the sample loading plate 400 on a balance, peeling and zeroing, placing the sample loading plate 400 in the middle of the base 320, placing the lower cup 140 of the cup 100 in the mounting through hole 310 on the cross rod 340 in the bracket 300, fixing the cup 100, then horizontally inserting the paste baffle 200 into the through groove 120 in the cup 100, separating the accommodating cavity 110 into an upper part and a lower part by the paste baffle 200, placing a proper amount of lead paste to be measured into the upper cup 130, filling the cup, slightly beating the cup, filling the upper cup 130 with the lead paste without gaps and bubbles, and scraping the redundant lead paste along the upper edge of the cup mouth of the upper cup 130 by using a steel plate or other flat plates; pushing the position of the through hole 210 of the paste baffle 200 into the cup body 100 slowly, when the positioning part 220 of the paste baffle 200 is abutted against the limiting part 150 of the cup body 100, the through hole 210 of the paste baffle 200 is aligned with the cylindrical hollow cavities of the upper cup body 130 and the lower cup body 140, the cylindrical lead paste in the cup body 100 can fall freely onto the sample carrying plate 400, the sample carrying plate 400 is taken out and put on a balance for weighing, and the apparent density of the lead paste is obtained by dividing the weight by the volume of the inner cavity of the upper cup body 130; and meanwhile, the height of the cylindrical lead paste on the template 400 is measured by a steel rule, and if the height is within the required range, the plasticity is qualified.
What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.
Claims (10)
1. The utility model provides a lead plaster plasticity and apparent density detection device of lead acid battery which characterized in that includes:
the cup body is provided with a containing cavity penetrating through the cup body, and the cup body is also provided with a through groove;
the paste baffle plate can move in the through groove, the accommodating cavity is divided into an upper part and a lower part by the paste baffle plate and is not divided by the paste baffle plate, and the upper part of the accommodating cavity is used for carrying lead paste;
the bracket is used for installing the cup body and enabling the cup body to have a certain height from the ground.
2. The device for detecting the plasticity and apparent density of lead-acid storage battery lead plaster according to claim 1, wherein the plaster baffle is provided with a through hole, and the through hole is communicated with the upper part and the lower part of the containing cavity when the containing cavity is in a state of being not separated by the plaster baffle.
3. The lead-acid battery lead plaster plasticity and apparent density detection device according to claim 2, wherein the through hole is in accordance with the size of the section of the accommodating cavity.
4. The lead-acid battery lead plaster plasticity and apparent density detection device according to claim 2, wherein the plaster baffle is provided with a positioning portion which abuts against the cup body when the accommodating chamber is in a state of not being partitioned by the plaster baffle.
5. The device for detecting the plasticity and apparent density of lead-acid storage battery lead plaster according to claim 4, wherein the through hole is positioned in the accommodating cavity when the positioning part is abutted with the cup body.
6. The device for detecting the plasticity and apparent density of lead-acid storage battery lead plaster according to any one of claims 1 to 5, wherein the cup body comprises an upper cup body and a lower cup body connected with the upper cup body, and the through groove is arranged between the upper cup body and the lower cup body.
7. The lead-acid battery lead plaster plasticity and apparent density detection device according to any one of claims 1 to 5, wherein the cup body is provided with a limiting portion, the bracket is provided with a mounting through hole, and the limiting portion abuts against the bracket when the cup body is mounted in the mounting through hole.
8. The device for detecting the plasticity and apparent density of lead-acid storage battery lead plaster according to claim 7, wherein the bracket comprises a base, a vertical rod and a cross rod, the vertical rod is connected with the base, the cross rod is connected with the vertical rod, and the mounting through hole is formed in the cross rod.
9. The lead-acid battery lead plaster plasticity and apparent density detection device according to claim 8, wherein the cross bar is parallel to the base, and the mounting through hole is directed perpendicular to the base.
10. The device for detecting the plasticity and apparent density of the lead-acid storage battery lead plaster according to claim 8, wherein a sample carrying plate is arranged on the base, and the sample carrying plate faces the mounting through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321756724.XU CN220251658U (en) | 2023-07-05 | 2023-07-05 | Lead plaster plasticity and apparent density detection device for lead-acid storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321756724.XU CN220251658U (en) | 2023-07-05 | 2023-07-05 | Lead plaster plasticity and apparent density detection device for lead-acid storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220251658U true CN220251658U (en) | 2023-12-26 |
Family
ID=89267874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321756724.XU Active CN220251658U (en) | 2023-07-05 | 2023-07-05 | Lead plaster plasticity and apparent density detection device for lead-acid storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220251658U (en) |
-
2023
- 2023-07-05 CN CN202321756724.XU patent/CN220251658U/en active Active
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