CN112857237A - Battery cell height measuring device - Google Patents
Battery cell height measuring device Download PDFInfo
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- CN112857237A CN112857237A CN202110057280.XA CN202110057280A CN112857237A CN 112857237 A CN112857237 A CN 112857237A CN 202110057280 A CN202110057280 A CN 202110057280A CN 112857237 A CN112857237 A CN 112857237A
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- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 238000001514 detection method Methods 0.000 claims description 48
- 238000005259 measurement Methods 0.000 claims description 22
- 230000002457 bidirectional effect Effects 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 13
- 238000004026 adhesive bonding Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003086 colorant Substances 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
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
Abstract
The invention discloses a cell height measuring device, which comprises a cell fixing mechanism for fixing a cell, a pole detecting mechanism for detecting the height from a cell pole cylindrical surface to the bottom of the cell, and a cover plate detecting mechanism for detecting the height from a cover plate surface of the cell to the bottom of the cell, wherein one end of the cell is fixed with the cell fixing mechanism, and the other end of the cell is respectively abutted against the pole detecting mechanism and the cover plate detecting mechanism; the cell height measuring device can automatically measure the height from the cylindrical surface of the cell electrode to the bottom of the cell, and can display the measured value on a display screen in real time; simultaneously automatic measure electric core apron face to electric core bottom height to the measured value is demonstrateed in real time, avoids highly inconsistent to cause PACK module welding quality problem, module and the not firm problem of battery case glue bonding.
Description
Technical Field
The invention relates to the technical field of battery cell preparation, in particular to a battery cell height measuring device.
Background
With the continuous improvement of the production technology of the power lithium battery, higher requirements are provided for the appearance performance, the quality, the production process and the production efficiency of the lithium battery cell.
Because of what electric core upper cover plate adopted at present seals welding process, because of can form irregular welding seam in the welding process, welding back is because of equipment, reasons such as welding process can cause electric core apron face and electric core bottom height nonconformity, electric core polar surface and electric core bottom height nonconformity, this can influence follow-up module welding process welding quality, it is uneven to cause module bottom electric core height after the welding easily, the welding slag is more, the problem of exploding the point exists, also can influence PACK process module and battery case bonding face quality simultaneously, because of electric core bottom height is uneven, can have the problem that electric core bonds insecure, can not reach the tensile strength of technological requirement, very easily cause the potential safety hazard during the loading.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a cell height measuring device which is used for detecting the height of a cell and avoiding the problems of welding quality of PACK modules and poor bonding of the modules and battery shell glue caused by inconsistent height.
The invention provides a cell height measuring device which comprises a cell fixing mechanism for fixing a cell, a pole detecting mechanism for detecting the height from a cell pole cylindrical surface to the bottom of the cell and a cover plate detecting mechanism for detecting the height from a cover plate surface of the cell to the bottom of the cell, wherein one end of the cell is fixed with the cell fixing mechanism, and the other end of the cell is respectively abutted against the pole detecting mechanism and the cover plate detecting mechanism.
Further, electric core fixed establishment includes plane fixed plate, U template and photoelectric sensor, and on U template and photoelectric sensor all were fixed in the plane fixed plate, photoelectric sensor's sender and receiver set up respectively in the both sides of U template, and the recess of inserting the U template of the one end of electric core is fixed.
Furthermore, the battery cell fixing mechanism further comprises a bidirectional linear slide rail and a rodless cylinder used for driving the plane fixing plate to move, and the plane fixing plate is fixedly connected with a slide block of the bidirectional linear slide rail.
Further, utmost point post detection mechanism includes cylinder fixed plate, lift cylinder, utmost point post pick-up plate and first displacement sensor, and on the stiff end of lift cylinder was fixed in the cylinder fixed plate, flexible end and utmost point post pick-up plate fixed connection, first displacement sensor was fixed in utmost point post pick-up plate, lift cylinder extension drive utmost point post pick-up plate moved to electric core and with keep away from the electric core butt of U template one end.
Further, utmost point post detection mechanism still includes the recess board, and the recess board is fixed in the below of utmost point post detection board, and lift cylinder extension drive recess board is to electric core motion to electric core card locates in the groove of recess board.
Further, utmost point post detection mechanism still includes side riser, lift slide rail and altitude mixture control piece, and lift slide rail and altitude mixture control piece are fixed in on the side riser, and the cylinder fixed plate passes through altitude mixture control piece, lift slide rail and side riser fixed connection.
Further, the cover plate detection mechanism comprises a cover plate detection plate and a second sensor fixed on the cover plate detection plate, and the cover plate detection plate is fixed on the pole detection plate.
Further, height measurement device still includes rack, protection casing and support foot cup, and the bottom of rack is provided with a plurality of support foot cups, upper portion and protection casing fixed connection, and electric core fixed establishment, utmost point post detection mechanism, apron detection mechanism all set up in the protection casing, and the protection casing is fixed in the mutual both sides of its open end and is provided with safe grating.
Furthermore, the two-way linear slide rail and the rodless cylinder are fixed on the rack, the side vertical plate is fixed on the inner side surface of the protective cover, and the extension direction of the lifting slide rail is perpendicular to that of the two-way linear slide rail.
Furthermore, two end parts of the bidirectional linear slide rail are respectively provided with a limiting block, and the limiting blocks are fixed on the rack and are abutted against the end parts of the bidirectional linear slide rail; the both sides of side riser are provided with the tank chain that is used for walking the line, and the tank chain is fixed in the medial surface of protection casing.
The cell height measuring device provided by the invention has the advantages that: the battery cell height measuring device provided by the structure of the invention automatically measures the height from the cylindrical surface of the battery cell to the bottom of the battery cell, and can display the measured value on the display screen in real time; the height from the surface of the cover plate of the battery cell to the bottom of the battery cell can be automatically measured at the same time, and the measured value is displayed in real time, so that the problems of welding quality of PACK modules and poor bonding of the modules and the battery shell glue caused by inconsistent height are avoided; the device can replace manual measurement, has high efficiency and high measurement precision, and can avoid the problem of large error in manual measurement; the cell fixing mechanism, the pole post detection mechanism, the cover plate detection mechanism and the measurement parameters can be adjusted, and the measurement of cells of different models can be met; the alarm can be given when the manual operation is abnormal and the measurement is abnormal, so that the safety performance is met.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a detailed block diagram of the enclosure of FIG. 1;
the system comprises a 1-battery cell, a 2-battery cell fixing mechanism, a 3-pole detecting mechanism, a 4-cover plate detecting mechanism, a 5-rack, a 6-protective cover, a 7-supporting foot cup, an 8-safety grating, a 9-limiting block, a 10-tank chain, an 11-indicator light, a 12-display screen, a 13-button box, a 21-plane fixing plate, a 22-U-shaped plate, a 23-photoelectric sensor, a 24-bidirectional linear sliding rail, a 25-rodless cylinder, a 31-cylinder fixing plate, a 32-lifting cylinder, a 33-pole detecting plate, a 34-first displacement sensor, a 35-groove plate, a 36-side plate, a 37-lifting sliding rail, a 38-height adjusting block, a 41-cover plate and a 42-second sensor.
Detailed Description
The present invention is described in detail below with reference to specific embodiments, and in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
As shown in fig. 1 to 2, the electrical core height measuring device provided by the present invention includes an electrical core fixing mechanism 2 for fixing an electrical core 1, an electrical core pole detecting mechanism 3 for detecting a height from an electrical core pole cylindrical surface to an electrical core bottom, and a cover plate detecting mechanism 4 for detecting a height from an electrical core cover plate surface to an electrical core bottom, wherein one end of the electrical core is fixed to the electrical core fixing mechanism 2, and the other end of the electrical core is respectively abutted to the electrical core pole detecting mechanism 3 and the cover plate detecting mechanism 4.
Electric core 1 is fixed through electric core fixed establishment 2, then detect the height of electric core pole cylinder to electric core bottom through utmost point post detection mechanism 3, and record this utmost point post height value, detect the height of electric core apron face to electric core bottom through apron detection mechanism 4, and record this apron height value, through comparing respectively with predetermined electric core height value and apron height value, if both are in the default within range, show that current electric core is the certified products, can flow to next process, if one of them is not in the default within range, show that current electric core is nonconforming product, can not flow to next process, need reject.
By the cell height measuring device, the height from the cylindrical surface of the cell electrode to the bottom of the cell can be automatically measured, and a measured value can be displayed on a display screen in real time; the height from the surface of the cover plate of the battery cell to the bottom of the battery cell can be automatically measured at the same time, and the measured value is displayed in real time, so that the problems of welding quality of PACK modules and poor bonding of the modules and the battery shell glue caused by inconsistent height are avoided; the device can replace manual measurement, has high efficiency and high measurement precision, and can avoid the problem of large error in manual measurement; the equipment can be compatible with the measurement of different types of battery cores, the limit value of the measurement can be adjusted through a display screen interface, and only the battery core fixing mechanism 2, the measurement parameter range, the pole post detection mechanism 3 and the cover plate detection mechanism 4 need to be replaced during model changing; safety protection is provided in the measuring process, and the problem of manual misoperation can be avoided.
Above electric core fixed establishment 2, utmost point post detection mechanism 3, apron detection mechanism 4 all set up in protection casing 6, and the bottom of rack 5 is provided with a plurality of support foot cups 7, upper portion and protection casing 6 fixed connection, and protection casing 6 is fixed in the mutual both sides of its open end and is provided with safe grating 8.
Specifically, the supporting foot cup 7 is made of carbon steel, 4 supporting foot cups are uniformly distributed at the bottom of the rack 5, and in order to ensure that the whole device is stable and does not shake after being installed, a group of ground foot frames are additionally arranged on the supporting foot cup 7 and are directly fixedly connected with the ground through bolts. The whole rack 5 is assembled by aluminum section, and the length multiplied by the width multiplied by the height can be as follows: the model is 1800mm multiplied by 1234mm multiplied by 1624mm, the equipment table is a Q235-A iron plate, and protective doors are arranged at the front, the rear, the left and the right of the rack 5, so that the equipment is attractive. The whole aluminium alloy equipment that adopts of protection casing 6 is the L type, and except the operation positive plane, transparent ya keli board has all been installed to every face of aluminium alloy, and its effect is when avoiding equipment automatic measurement, and artificial interference probably leads to the safety problem. The safety grating 8 is arranged on two sides of the L-shaped short edge and is vertically fixed through a bolt, and the safety grating has the main effect of avoiding safety problems caused by the fact that a person mistakenly puts a handle or other objects into a working area when the device automatically operates.
Still be provided with pilot lamp 11 on the protection casing 6, pilot lamp 11 is standard tristimulus designation lamp, mainly is used for judging the equipment state, and the suggestion is reported to the police, normal operating, treats the material state, shows different colours during different states. The protective cover 6 is also provided with a display screen 12, and the size of the mounting surface of the display screen 12 can be 548mm multiplied by 380 mm; the screen can be operated by touch, the measurement parameters can be set through screen software, and the actual measurement value of the equipment can be displayed in the measurement process. Still be provided with button box 13 on the protection casing 6, button box 13's mounting dimension can be 260mm 150mm, height 166mm, and the plastics material, every button box has four through-holes, through the bolt rigid coupling in the left and right sides of rack 5, has in the button box to reset, starts, scram button, and the man needs both hands to press the right-left button box simultaneously during the operation, can avoid the safety problem.
In this embodiment, the cell fixing mechanism 2 includes a planar fixing plate 21, a U-shaped plate 22 and a photoelectric sensor 23, the U-shaped plate 22 and the photoelectric sensor 23 are both fixed on the planar fixing plate 21, a transmitter and a receiver of the photoelectric sensor 23 are respectively disposed on two sides of the U-shaped plate 22, and one end of the cell is inserted into a groove of the U-shaped plate 22 for fixing. The battery cell fixing mechanism 2 further comprises a bidirectional linear slide rail 24 and a rodless cylinder 25 for driving the plane fixing plate 21 to move, and the plane fixing plate 21 is fixedly connected with a slide block of the bidirectional linear slide rail 24. In order to adapt to the battery cells 1 with different widths, the groove parts of the U-shaped plate 22 are guided by the chutes, so that the battery cells 1 can be conveniently placed.
In this application, plane fixed plate 21 and U template 22 all can adopt the POM material, can set up two U templates 22 and two photoelectric sensor 23 on the plane fixed plate 21 to fixed to two independent electric cores, make two electric cores can carry out the qualification rate simultaneously and detect, therefore the utmost point post detection mechanism 3 that corresponds also all is provided with two sets ofly with apron detection mechanism 4, be used for detecting electric core respectively, in order to improve the detection efficiency of electric core.
Photoelectric sensor 23 includes transmitter and receiver, transmitter and receiver set up when U template 22, the transmitting terminal of transmitter and the receiving terminal of receiver all pass U template and recess intercommunication for whether set up electric core in the detection recess, utmost point post detection mechanism 3 and apron detection mechanism 4 will set up in the recess according to electric core that photoelectric sensor 23 detected, carry out work, to the electric core utmost point post face that detects fixed electric core to electric core bottom height and electric core lid face to electric core bottom height, thereby obtain qualified electric core.
The two-way linear slide rail 24 and the rodless cylinder 25 are both fixed on the rack 5; two end parts of the two-way linear slide rail 24 are respectively provided with a limiting block 9, and the limiting blocks 9 are fixed on the rack 5 and are abutted against the end parts of the two-way linear slide rail 24; tank chains 10 for wiring are arranged on two sides of the side vertical plate 36, and the tank chains 10 are fixed on the inner side surface of the protective cover 6.
The rodless cylinder 25 is mainly used for driving the plane fixing plate 21 to move on the bidirectional linear slide rail 24, so that the battery cell 1 is stably transported to and fro from the manual placement position to the measurement area position, the limiting block 9 is used for positioning during reciprocating, and the measurement position is ensured to be accurate and the plane fixing plate 21 is placed to be separated from the bidirectional linear slide rail 24.
In this embodiment, the pole detecting mechanism 3 includes a cylinder fixing plate 31, a lifting cylinder 32, a pole detecting plate 33 and a first displacement sensor 34, wherein a fixed end of the lifting cylinder 32 is fixed on the cylinder fixing plate 31, a telescopic end of the lifting cylinder is fixedly connected with the pole detecting plate 33, the first displacement sensor 34 is fixed on the pole detecting plate 33, and the lifting cylinder 32 extends to drive the pole detecting plate 33 to move towards the electric core 1 and abut against the electric core 1 far away from one end of the U-shaped plate 22.
The first displacement sensor 34 is used for detecting the height from the cylindrical surface of the battery core electrode to the bottom of the battery core, and transmitting the detected data to the display screen 12 for displaying, so that an operator can visually acquire the current battery core height value of the battery core 1; wherein, in utmost point post pick-up plate 33 and 1 butt of electric core, in order to stabilize the butt fixed to electric core 1, utmost point post detection mechanism 3 still includes recess board 35, and recess board 35 is fixed in the below of utmost point post pick-up plate 33, and lift cylinder 32 extends drive recess board 35 and moves to electric core 1 card locates in the groove of recess board 35, and the both ends of electric core 1 are blocked respectively and are located in the recess of U-shaped plate 22, the recess of recess board 35 and carry out spacing fixed.
In this embodiment, the pole detecting mechanism 3 further includes a side vertical plate 36, a lifting slide rail 37 and a height adjusting block 38, the side vertical plate 36 is fixed on the inner side surface of the protecting cover 6, the lifting slide rail 37 and the height adjusting block 38 are fixed on the side vertical plate 36, and the cylinder fixing plate 31 is fixedly connected with the side vertical plate 36 through the height adjusting block 38 and the lifting slide rail 37.
The height adjusting block 38 comprises a fixing block and a sliding block, the fixing block is fixed on the side vertical plate 36, the sliding block is connected with the fixing block in a sliding mode, the cylinder fixing plate 31 is fixed on the sliding block, the cylinder fixing plate 31 is pushed manually, and the cylinder fixing plate 31 can move up and down to adapt to height detection of electric cores of different specifications and sizes. Among them, the extending direction of the lifting slide rail 37 is preferably perpendicular to the extending direction of the two-way linear slide rail 24.
In the present embodiment, the cover detection mechanism 4 includes a cover detection plate 41 and a second sensor 42 fixed to the cover detection plate 41, and the cover detection plate 41 is fixed to the post detection plate 33. Second sensor 42 is used for detecting the height of electric core apron face to electric core bottom, and second sensor 42 can acquire apron height value in step when utmost point post detection mechanism 3 carries out utmost point post height value to electric core, has improved electric core 1's whole detection efficiency.
The working process is as follows: after a measurement range is manually set on the display screen 12, an automatic state is set, two battery cores 1 are vertically placed on the battery core fixing mechanism 2 respectively, a photoelectric sensor 23 prompts a person to start a double-hand key after detecting materials, and a rodless cylinder 25 and a bidirectional linear slide rail 24 slide the battery core fixing mechanism 2 to the lower part of a pole detection mechanism after starting;
after the electric core 1 is in place, the left and right lifting cylinders 32 extend to enable the groove plate 35 to be pressed down to the surface of the electric core 1, the electric core 1 is clamped and matched with the groove of the groove plate 35, and in the process of pressing down the groove plate 35, the positioning precision is kept through the guiding of the lifting slide rails 37; after the pressure is pressed down to the right position, the first sensor and the second sensor respectively detect the height value of the pole column and the height value of the cover plate, the detected values are fed back to the display screen 12, and the display screen displays the measured values of the left station and the right station. Comparing the actually measured pole height value and the cover plate height value with a preset value by the equipment program to obtain an OK or NG result, and displaying the OK or NG result on a display screen; after the measurement is completed, the pole detection mechanism 3 and the cover plate detection mechanism 4 return to the original position, the rodless cylinder 25 drives the battery cell fixing mechanism 2 to return to the original position, the battery cell 1 is manually taken, and the operation is repeated.
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 utility model provides an electricity core height measurement device, its characterized in that, including electric core fixed establishment (2) that are used for fixed electric core (1), be used for detecting electric core pole cylinder to electric core bottom height utmost point post detection mechanism (3) and be used for detecting electric core apron face to electric core bottom height apron detection mechanism (4), the one end and the electric core fixed establishment (2) of electric core are fixed, the other end of electric core respectively with utmost point post detection mechanism (3) and apron detection mechanism (4) butt.
2. The cell height measuring device according to claim 1, wherein the cell fixing mechanism (2) comprises a planar fixing plate (21), a U-shaped plate (22) and a photoelectric sensor (23), the U-shaped plate (22) and the photoelectric sensor (23) are both fixed on the planar fixing plate (21), a transmitter and a receiver of the photoelectric sensor (23) are respectively arranged on two sides of the U-shaped plate (22), and one end of the cell is inserted into a groove of the U-shaped plate (22) for fixing.
3. The battery cell height measuring device according to claim 2, wherein the battery cell fixing mechanism (2) further comprises a bidirectional linear slide rail (24) and a rodless cylinder (25) for driving the planar fixing plate (21) to move, and the planar fixing plate (21) is fixedly connected with a slide block of the bidirectional linear slide rail (24).
4. The cell height measuring device according to claim 3, wherein the pole detecting mechanism (3) comprises a cylinder fixing plate (31), a lifting cylinder (32), a pole detecting plate (33) and a first displacement sensor (34), a fixed end of the lifting cylinder (32) is fixed on the cylinder fixing plate (31), a telescopic end of the lifting cylinder is fixedly connected with the pole detecting plate (33), the first displacement sensor (34) is fixed on the pole detecting plate (33), and the lifting cylinder (32) extends to drive the pole detecting plate (33) to move towards the cell (1) and abut against the cell (1) far away from one end of the U-shaped plate (22).
5. The battery cell height measuring device according to claim 4, wherein the pole detecting mechanism (3) further comprises a groove plate (35), the groove plate (35) is fixed below the pole detecting plate (33), the lifting cylinder (32) extends to drive the groove plate (35) to move towards the battery cell (1), and the battery cell (1) is clamped in a groove of the groove plate (35).
6. The battery cell height measuring device according to claim 4, wherein the pole detecting mechanism (3) further comprises a side vertical plate (36), a lifting slide rail (37) and a height adjusting block (38), the lifting slide rail (37) and the height adjusting block (38) are fixed on the side vertical plate (36), and the cylinder fixing plate (31) is fixedly connected with the side vertical plate (36) through the height adjusting block (38) and the lifting slide rail (37).
7. The cell height measuring device according to claim 4, wherein the cover plate detection mechanism (4) comprises a cover plate detection plate (41) and a second sensor (42) fixed to the cover plate detection plate (41), and the cover plate detection plate (41) is fixed to the pole detection plate (33).
8. The battery cell height measuring device according to any one of claims 1 to 7, further comprising a rack (5), a protective cover (6) and supporting foot cups (7), wherein the bottom of the rack (5) is provided with a plurality of supporting foot cups (7), the upper portion of the rack is fixedly connected with the protective cover (6), the battery cell fixing mechanism (2), the pole column detection mechanism (3) and the cover plate detection mechanism (4) are all arranged in the protective cover (6), and the protective cover (6) is fixedly provided with safety gratings (8) at two sides of the opening end of the protective cover.
9. The battery cell height measuring device of claim 8, wherein the bidirectional linear slide rail (24) and the rodless cylinder (25) are fixed on the rack (5), the side vertical plate (36) is fixed on the inner side surface of the protective cover (6), and the extension direction of the lifting slide rail (37) is perpendicular to the extension direction of the bidirectional linear slide rail (24).
10. The battery cell height measuring device according to claim 8, wherein two end portions of the bidirectional linear sliding rail (24) are provided with limiting blocks (9), and the limiting blocks (9) are fixed on the rack (5) and abut against the end portions of the bidirectional linear sliding rail (24);
tank chains (10) used for wiring are arranged on two sides of the side vertical plates (36), and the tank chains (10) are fixed on the inner side face of the protective cover (6).
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|---|---|---|---|
| CN202110057280.XA CN112857237A (en) | 2021-01-15 | 2021-01-15 | Battery cell height measuring device |
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|---|---|---|---|
| CN202110057280.XA CN112857237A (en) | 2021-01-15 | 2021-01-15 | Battery cell height measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115372846A (en) * | 2022-10-25 | 2022-11-22 | 江西信息应用职业技术学院 | Electricity core testing arrangement |
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