CN213481891U - Wet-state pressure maintaining testing device for AGM partition plate - Google Patents
Wet-state pressure maintaining testing device for AGM partition plate Download PDFInfo
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- CN213481891U CN213481891U CN202022007047.4U CN202022007047U CN213481891U CN 213481891 U CN213481891 U CN 213481891U CN 202022007047 U CN202022007047 U CN 202022007047U CN 213481891 U CN213481891 U CN 213481891U
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- rod
- pressure plate
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- plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000005192 partition Methods 0.000 title claims description 13
- 230000003068 static effect Effects 0.000 claims abstract description 28
- 238000012856 packing Methods 0.000 claims 2
- 238000003825 pressing Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 description 21
- 239000002253 acid Substances 0.000 description 9
- 239000011295 pitch Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000007906 compression Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000013543 active substance Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model discloses a wet pressurize testing arrangement of AGM baffle, including static unit and motion unit, static unit includes the base and sets up the static pressure plate on the base, the motion unit includes that dynamic pressure plate and drive movable platen are close to or keep away from the movable rod of static pressure plate, is connected with pressure sensor between movable rod and the dynamic pressure plate, the static pressure plate sets up with the dynamic pressure plate is parallel and relative. The utility model has simple structure, can be operated manually, has accurate positioning, can detect the pressure change in the recording process in real time, and can realize a real-time pressure curve chart by a recording system; the automatic pressing device has two-stage pressing speeds, can realize speed change of the pressing speeds, and can realize fine adjustment to prevent overvoltage.
Description
Technical Field
The utility model belongs to the technical field of a testing arrangement technique and specifically relates to a wet attitude pressurize testing arrangement of AGM baffle is related to.
Background
With the wide application of lead-acid storage batteries in different fields, people have more and more deep knowledge of the lead-acid storage batteries. Therefore, the requirements on the manufacturing raw materials of the lead-acid storage battery are more and more strict. In particular, higher requirements are placed on the third electrode of the lead-acid storage battery. The AGM separator is an "acid reservoir" in a lead acid battery, in which the electrolyte is mostly absorbed and distributed uniformly and rapidly, yet inhibits delamination of the electrolyte and is compressible. Especially, the battery needs to keep elasticity in dry and wet states, keeps good contact with positive and negative plates in the battery cyclic charge and discharge process to keep electric conduction and support activity, and keeps elasticity in dry and wet states to keep electric conduction and properly support the action of active substances. For detecting the pressure change of the AGM separator before and after adding acid, a test of the wet pressure maintaining capacity is written in GB/T28535-2018 lead-acid storage battery separator. The main principle is that the pressure born by the clapboard in a certain compression state changes along with the increase of saturation, and the ratio of the pressure when the clapboard is in the saturation state to the pressure when the clapboard is in the dry state shows the wet state pressure maintaining capacity of the clapboard. At present, the detection of the wet pressure maintaining capability of an AGM separator by accurate, rapid and efficient equipment is lacked.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a testing arrangement to the detection of wet attitude pressurize ability of AGM baffle.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a wet pressurize testing arrangement of AGM baffle, includes static unit and motion unit, static unit includes the base and sets up the static pressure plate on the base, the motion unit includes that dynamic pressure plate and drive dynamic pressure plate are close to or keep away from the movable rod of static pressure plate, is connected with pressure sensor between movable rod and the dynamic pressure plate, the static pressure plate is parallel and relative setting with the dynamic pressure plate.
Preferably, the movable rod comprises an outer rod and an inner rod, the outer rod is sleeved on the inner rod, inner threads a are arranged at two ends of the outer rod, outer threads a are arranged at two ends of the inner rod, the outer threads a are matched with the inner threads a, the outer rod is in threaded connection with the inner rod, a handle a is fixedly arranged at one end, away from the base, of the inner rod, a supporting device used for supporting the movable rod is fixedly arranged on the base, inner threads b are arranged at one end, away from the base, of the supporting device, outer threads b matched with the inner threads b are arranged on the outer rod of the movable rod, a handle b is fixedly arranged on the outer rod, and the ratio of the thread pitches of the outer threads b to the outer threads a.
The base is provided with a supporting device for supporting and fixing the movable rod, an external thread b is arranged on an external rod of the movable rod, an internal thread b is arranged at one end of the supporting device, which is far away from the base, and the external rod is in threaded connection with the supporting device, so that the distance between the control pressure plate and the static pressure plate can be accurately controlled and accurately positioned; the outer rod is sleeved on the inner rod, the two ends of the inner rod are in threaded connection with the two ends of the outer rod, so that the inner rod can rotate relative to the outer rod and can move up and down, the pitch ratio of the external threads b to the external threads a is more than or equal to 2:1, the inner rod is more accurately positioned compared with the outer rod and can be finely adjusted, when the movable platen presses the AGM partition plate, the inner rod is rotated to continue to press the movable platen downwards, the distance required by the movable platen to press the AGM partition plate is smaller when the inner rod rotates for one circle compared with the distance required by the outer rod to rotate for one circle, the movable platen is prevented from over-pressing the AGM partition plate, the fine adjustment function is realized, the outer rod is rotated at the beginning, compared with the inner rod, the; the arrangement of the handle a and the handle b is convenient for rotating the outer rod and the inner rod.
Preferably, one end of the pressure sensor is fixedly connected with the inner rod through a screw, and the other end of the pressure sensor is fixedly connected with the center of the movable platen through a screw. The pressure sensor passes through screw and interior pole fixed connection, and the dismouting of being convenient for is changed, and pressure sensor's the other end is connected with the center department of dynamic pressure plate, makes the central point that the power of pushing down through pressure sensor put at the dynamic pressure plate, then all evenly act on the AGM baffle, and the test effect is better.
Preferably, the base is in a rectangular tube shape and comprises a bottom plate, a top plate with a through hole in the center and two vertical plates, and the static pressure plate is fixedly arranged in the center of the bottom plate. The base is rectangular tube shape for the base both can be vertically put also can be violently put, can test in vertical and horizontal direction.
Preferably, the pressure sensor is externally connected with a display and recording device. The display and recording device can display the pressure at the moment in real time, record the pressure value at each moment and finally obtain a pressure change curve.
Preferably, the movable platen is the same in shape and size as the static pressure plate.
Preferably, the supporting device is fixedly arranged on the top plate.
Therefore, the utility model discloses following beneficial effect has: (1) the structure is simple, manual operation can be realized, and the positioning is accurate; (2) the pressure change in the recording process can be detected in real time, and a recording system can realize a real-time pressure curve chart; (3) the automatic pressing device has two-stage pressing speeds, can realize speed change of the pressing speeds, and can realize fine adjustment to prevent overvoltage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the device comprises an outer rod 2, an inner rod 3, a pressure sensor 4, a movable platen 5, a static pressure plate 6, a bottom plate 7, a vertical plate 8, a top plate 9, a display and recording device 10, a supporting device 11, a handle a 12 and a handle b.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
In the embodiment shown in fig. 1, the AGM separator wet-state pressure maintaining test device of the present invention comprises a static unit and a moving unit, wherein the static unit comprises a base and a static pressure plate 5 arranged on the base, the moving unit comprises a movable pressure plate 4 and a movable rod driving the movable pressure plate to be close to or far away from the static pressure plate, a pressure sensor 3 is connected between the movable rod and the movable pressure plate, and the static pressure plate and the movable pressure plate are parallel and oppositely arranged; the base is in a rectangular tube shape and comprises a bottom plate 6, a top plate 8 with a through hole in the center and two vertical plates 7, and the static pressure plate is fixedly arranged in the center of the bottom plate; the movable rod comprises an outer rod 1 and an inner rod 2, the outer rod is sleeved on the inner rod, inner threads a are arranged at two ends of the outer rod, outer threads a are arranged at two ends of the inner rod, the outer threads a are matched with the inner threads a, the outer rod is in threaded connection with the inner rod, a handle a11 is fixedly arranged at one end, far away from the base, of the inner rod, a supporting device 10 used for supporting the movable rod is fixedly arranged on the base, the supporting device is a combination of a cylinder and a circular plate, the cylinder is fixedly arranged on a top plate, the circular plate is fixedly arranged at the upper end of the cylinder, an inner thread b is arranged at one end, far away from the base, of the supporting device, namely the central position of the circular plate, an outer rod of the movable rod is provided with an outer thread b matched with the inner thread b, a handle b12 is fixedly arranged on the outer rod, the ratio, the two ends of the inner rod are in threaded connection with the two ends of the outer rod, so that the inner rod can rotate relative to the outer rod and can move up and down, the ratio of the thread pitch of the outer threads b to the thread pitch of the outer threads a is 3:1, the inner rod is more accurately positioned compared with the outer rod and can be finely adjusted, when the movable platen is pressed on the AGM partition plate, the inner rod is rotated to continue to press down the movable platen, the distance required by the rotation of the inner rod for one circle is smaller than that required by the rotation of the outer rod for one circle, the AGM partition plate is prevented from being over-pressed by the movable platen, the fine adjustment function is realized, the outer rod is rotated at the beginning, compared with the inner rod, the pressing speed of the movable platen is; the arrangement of the handle a and the handle b is convenient for rotating the outer rod and the inner rod.
The pressure sensor is further in a concave shape, one end of the pressure sensor is fixedly connected with the inner rod through a screw, and the other end of the pressure sensor is fixedly connected with the center of the movable platen through a screw.
Further, a display and recording device 9 is externally connected with the pressure sensor. And displaying and recording the pressure value in real time.
The movable pressing plate is a square plate with the shape and the size of the static pressing plate being the same and 50mm by 50 mm.
The AGM partition plate is placed on the positioning plate, the size of the AGM partition plate is 50mm by 50mm, the handle b is rotated to enable the movable rod to drive the movable platen to press downwards, when the movable platen presses the AGM partition plate, the handle b is stopped to rotate, the handle b is fixed by hand, the handle a is rotated to prevent the outer rod from rotating when the handle a is rotated, the handle a continues to rotate to enable the inner rod to continue to drive the movable platen to press downwards, the thread pitch ratio of the outer thread b to the outer thread a is 3:1, therefore, the same distance is pressed downwards, the number of turns of the handle a is obviously more than that of the handle b, the distance of the movable platen which rotates by one turn is small, the movable platen is prevented from generating overpressure on the AGM partition plate, and fine adjustment is achieved. The display and recording device displays and records the pressure value in real time to generate a pressure change curve.
The utility model discloses a base is the rectangle tubulose, can vertically place, and manual rotatory handle precession control can real time monitoring process pressure in compression process to the pressure of sample. The device can simulate the change of the pressure in the AGM separator before and after the AGM separator is assembled and added with acid in a vertical state, and the recording system can display a real-time pressure curve graph and can also be horizontally placed to repeat the operation.
Claims (7)
1. The wet-state pressure maintaining testing device for the AGM partition plate is characterized by comprising a static unit and a moving unit, wherein the static unit comprises a base and a static pressure plate arranged on the base, the moving unit comprises a movable pressure plate and a movable rod for driving the movable pressure plate to be close to or far away from the static pressure plate, a pressure sensor is connected between the movable rod and the movable pressure plate, and the static pressure plate and the movable pressure plate are parallel and oppositely arranged.
2. The wet state pressure maintaining test device for the AGM partition board according to claim 1, wherein the movable rod comprises an outer rod and an inner rod, the outer rod is sleeved on the inner rod, internal threads a are arranged at two ends of the outer rod, external threads a are arranged at two ends of the inner rod, the external threads a are matched with the internal threads a, the outer rod is in threaded connection with the inner rod, a handle a is fixedly arranged at one end of the inner rod, which is far away from the base, a supporting device for supporting the movable rod is fixedly arranged on the base, internal threads b are arranged at one end of the supporting device, which is far away from the base, an external thread b matched with the internal threads b is arranged on the outer rod of the movable rod, a handle b is fixedly arranged on the outer rod, and the ratio of the thread pitch of the external thread b.
3. The AGM separator wet state pressure maintaining test device according to claim 2, wherein one end of the pressure sensor is fixedly connected with the inner rod through a screw, and the other end of the pressure sensor is fixedly connected with the center of the movable platen through a screw.
4. The AGM separator wet state pressure maintaining test device according to claim 1, wherein the base is in a rectangular tube shape, the base comprises a bottom plate, a top plate with a through hole in the center and two vertical plates, and the static pressure plate is fixedly arranged in the center of the bottom plate.
5. The AGM separator wet packing test device according to claim 1, wherein the pressure sensor is externally connected with a display and recording device.
6. The device for testing wet pressure maintaining of AGM separator according to claim 1, wherein the movable platen has the same shape and size as the static pressure plate.
7. The AGM separator wet packing test device according to claim 4, wherein a support means is fixedly arranged on the top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022007047.4U CN213481891U (en) | 2020-09-14 | 2020-09-14 | Wet-state pressure maintaining testing device for AGM partition plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022007047.4U CN213481891U (en) | 2020-09-14 | 2020-09-14 | Wet-state pressure maintaining testing device for AGM partition plate |
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| Publication Number | Publication Date |
|---|---|
| CN213481891U true CN213481891U (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022007047.4U Active CN213481891U (en) | 2020-09-14 | 2020-09-14 | Wet-state pressure maintaining testing device for AGM partition plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088519A (en) * | 2021-10-22 | 2022-02-25 | 风帆有限责任公司 | Device and method for testing wet resilience of AGM (absorptive glass mat) separator under different compression amounts |
-
2020
- 2020-09-14 CN CN202022007047.4U patent/CN213481891U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088519A (en) * | 2021-10-22 | 2022-02-25 | 风帆有限责任公司 | Device and method for testing wet resilience of AGM (absorptive glass mat) separator under different compression amounts |
| CN114088519B (en) * | 2021-10-22 | 2024-07-19 | 风帆有限责任公司 | Device and method for testing wet state rebound ability of AGM separator under different compression amounts |
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