Electrolytic bath tool jig
By designing a limiting groove structure for the electrolytic cell tooling fixture, the problem of inconvenient nut fixing during electrolytic cell assembly was solved, enabling efficient nut tightening operations and improving assembly efficiency.
Patent Information
- Application Number
- CN202520006580.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-01-02
AI Technical Summary
The existing electrolytic cell assembly process requires fixing multiple nuts simultaneously, which leads to inconvenience and low assembly efficiency.
Design an electrolytic cell tooling fixture. By setting a limiting groove on the fixed plate to accommodate multiple nuts, and allowing one nut to be retracted into the operating space under pre-tightening state, the remaining nuts can be locked by tightening the nut with a tool, thus reducing the need to fix other nuts.
It improves the efficiency of electrolytic cell assembly, simplifies the operation process, reduces reliance on tools, and enhances assembly efficiency.
Smart Images
Figure CN223646651U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electrolysis equipment technology, and in particular to an electrolytic cell tooling fixture. Background Technology
[0002] New energy has received widespread attention as a key research and development area. Hydrogen energy, as a pollution-free and renewable energy source, has huge development prospects. Electrolysis of water to produce hydrogen has become a widely used and increasingly mature hydrogen production technology, and has developed rapidly in recent years. As a key piece of equipment for electrolysis of water to produce hydrogen, the electrolyzer needs to be fixed on the corresponding tooling during testing or use.
[0003] Currently, electrolytic cells are constructed using a multi-layered stacked electrolytic chamber system. To ensure airtightness and prevent leakage in each chamber, a certain number of bolts are required for secure assembly. Because electrolytic cell assembly is largely customized, fully automated mechanical assembly processes are not yet available. Currently, manual assembly is the most common method. During assembly, the assembly engineer uses a torque wrench to tighten the bolts from the top of the electrolytic cell. An assistant engineer then uses a wrench to lock the nuts at the bottom of the cell to prevent them from rotating due to frictional torque, which could lead to insufficient tightening. However, to ensure the electrolytic cell's sealing performance, a large number of bolts are often used, with two nuts at one end of each bolt. During assembly, tightening one nut with a tool such as a wrench requires simultaneously securing the other nut, resulting in inconvenient operation and low assembly efficiency. Utility Model Content
[0004] In view of this, the present invention provides an electrolytic cell tooling fixture to solve the problem of inconvenient operation and low assembly efficiency caused by the need to fix another nut when tightening a nut in the prior art.
[0005] This application provides an electrolytic cell tooling fixture, including a support plate and a fixed plate connected to the support plate. The support plate and the fixed plate are spaced apart to form an operating space. The fixed plate has an inwardly recessed limiting groove and a through hole on the bottom wall of the limiting groove on the side facing the support plate. The limiting groove is used to accommodate multiple nuts, and the through hole is used for electrolytic cell bolts to pass through.
[0006] The electrolytic cell tooling fixture includes a pre-tightened state that supports the locking of the electrolytic cell. In the pre-tightened state, among the multiple nuts fitted on the bolt, one nut exits from the limiting groove and enters the operating space, while the remaining nuts remain in the limiting groove. The limiting groove is used to circumferentially limit the nuts located inside it.
[0007] In some embodiments, the distance between the support plate and the fixing plate is greater than or equal to the height of one nut and less than the sum of the heights of two nuts.
[0008] In some embodiments, the inner wall of the limiting groove forms a plurality of limiting planes, each of the limiting planes being used to abut against a corresponding circumferential side surface of the nut; and / or,
[0009] One side of the limiting groove extends to the circumferential outer surface of the fixing plate, forming an opening on the circumferential outer surface of the fixing plate.
[0010] In some embodiments, the electrolytic cell fixture further includes a base located on the side of the fixed plate away from the support plate, the base being spaced apart from the fixed plate to limit the travel of the bolts.
[0011] In some embodiments, the fixing plate is provided with a plurality of mutually spaced limiting grooves, the plurality of limiting grooves are located at the same height, and the distance between each limiting groove and the base is the same.
[0012] In some embodiments, the two adjacent side surfaces of the fixing plate and the base are both planes, and the two side surfaces are parallel to each other; and / or,
[0013] The distance between the fixing plate and the base is greater than the distance between the fixing plate and the support plate.
[0014] In some embodiments, the base has a protruding post on the side near the fixing plate, and the fixing plate has a clearance hole corresponding to the protruding post. The protruding post passes through the clearance hole and is rotatably connected to the support plate through a bearing.
[0015] In some embodiments, the support plate and the fixed plate are connected by a connecting assembly, which includes a connector, a first limiting sleeve, a second limiting sleeve, and a spring. The connector is movably inserted through the fixed plate and fixed relative to the support plate. The first limiting sleeve, the second limiting sleeve, and the spring are sleeved on the outside of the connector. The two ends of the first limiting sleeve abut against the support plate and the fixed plate, respectively. The second limiting sleeve and the spring are located on the side of the fixed plate away from the support plate. One axial end of the second limiting sleeve is spaced apart from the fixed plate so that the fixed plate can compress the spring to move away from the support plate.
[0016] In some embodiments, a straightedge assembly is provided on the side of the support plate away from the fixed plate. The straightedge assembly is disposed near the outer edge of the support plate. The straightedge assembly includes a slide connected to the support plate and a straightedge that slides with the slide. The straightedge is provided with scale lines.
[0017] In some embodiments, there are multiple straightedge components, and the multiple straightedge components are respectively disposed on different sides of the support plate.
[0018] The electrolytic cell tooling fixture provided by this utility model has a limiting groove on the fixed plate that can circumferentially limit the nuts. In the locked state, one nut near the support plate exits from the limiting groove and enters the operating space. At this time, the limiting groove no longer circumferentially limits the nut, and the remaining nuts are still kept in the limiting groove. The limiting groove circumferentially limits the remaining nuts. Therefore, when tightening the nuts located inside the operating space, it is not necessary to use additional tools to fix other nuts, which facilitates the assembly operation and improves the assembly efficiency. Attached Figure Description
[0019] Figure 1 An assembly diagram of the electrolytic cell tooling fixture, bolts, and nuts provided in an embodiment of this utility model;
[0020] Figure 2 for Figure 1 A cross-sectional view of the electrolytic cell fixture shown in the pre-tightened state;
[0021] Figure 3 for Figure 1 An exploded view of the support plate, fixing plate, bearing, and base shown in the diagram;
[0022] Figure 4 for Figure 1 A cross-sectional view of the electrolytic cell tooling fixture shown in the figure;
[0023] Figure 5 for Figure 4 The diagram shows the structure of the connecting component.
[0024] In the diagram: 10. Electrolytic cell fixture; 12. Support plate; 14. Fixing plate; 16. Operating space; 18. Limiting groove; 20. Through hole; 22. Nut; 24. Bolt; 26. Limiting plane; 28. Opening; 30. Base; 32. Protruding column; 34. Clearance hole; 36. Bearing; 38. Protrusion; 42. Connecting assembly; 44. Connector; 46. First limiting sleeve; 48. Second limiting sleeve; 50. Spring; 52. Storage hole; 54. Gasket; 56. Straightedge assembly; 58. Slide; 60. Straightedge; 61. Scale line; 62. Stop. Detailed Implementation
[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0026] It should be noted that all directional indicators (such as up, down, left, right, front, back, inside, outside, top, bottom, etc.) in the embodiments of this utility model are only used to explain the relative positional relationship between the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.
[0027] It should also be noted that when a component is referred to as "fixed to" or "set on" another component, the component may be directly on the other component or there may be an intervening component present. When a component is referred to as "connected to" another component, it may be directly connected to the other component or there may be an intervening component present.
[0028] Please see Figures 1 to 5 An embodiment of this utility model provides an electrolytic cell tooling fixture 10 for fastening the electrolytic cell. Optionally, the electrolytic cell is fastened with bolts 24 and nuts 22 with the assistance of the electrolytic cell tooling fixture 10.
[0029] The electrolytic cell fixture 10 includes a support plate 12 and a fixing plate 14 connected to the support plate 12. The support plate 12 and the fixing plate 14 are spaced apart from each other, thereby forming an operating space 16 between the support plate 12 and the fixing plate 14. The support plate 12 is used to support the electrolytic cell. When assembling the electrolytic cell, one end plate of the electrolytic cell is placed on the side of the support plate 12 away from the fixing plate 14, and then the electrolytic cell components are stacked in sequence.
[0030] The fixed plate 14 is provided with an inwardly recessed limiting groove 18 and a through hole 20 communicating with the limiting groove 18. The limiting groove 18 is located on the side of the fixed plate 14 facing the support plate 12, and the through hole 20 is located on the bottom wall of the limiting groove 18, so that one end of the limiting groove 18 communicates with the operating space 16 and the other end communicates with the through hole 20. The limiting groove 18 is used to accommodate multiple stacked nuts 22 and forms a circumferential limit on the nuts 22 located inside it, but does not limit the nuts 22 in the axial direction. The multiple nuts 22 in the limiting groove 18 are fixed relative to the fixed plate 14 in the circumferential direction and movably engaged with the fixed plate 14 in the axial direction. The through hole 20 is used for the bolt 24 of the electrolytic cell to pass through. During the tightening of the bolt 24, one end of the bolt 24 passes through the electrolytic cell and the support plate 12 in sequence and extends into the operating space 16, and then forms a threaded engagement with multiple nuts 22 in sequence, and finally extends out to the outside of the fixed plate 14 through the through hole 20. After the bolt 24 and nut 22 form a threaded engagement, as the bolt 24 is tightened further, the nut 22 cannot rotate with the bolt 24 because the limiting groove 18 forms a circumferential limit on the nut 22 located inside it. Under the action of the bolt 24, the nut 22 moves linearly along the axial direction of the bolt 24 and moves towards the support plate 12.
[0031] The electrolytic cell fixture 10 includes a pre-tightened state that supports locking the electrolytic cell. The pre-tightened state refers to the initial locking effect achieved between the electrolytic cell fixture 10 and the electrolytic cell through the cooperation of bolts 24 and nuts 22, but not a complete lock-in. In the pre-tightened state, among the multiple nuts 22 fitted on the bolts 24, one nut 22 exits from the limiting groove 18 and enters the operating space 16, while the remaining nuts 22 remain within the limiting groove 18. The limiting groove 18 is used to circumferentially limit the nuts 22 located within it. In the pre-tightened state, the nut 22 near the support plate 12 is located within the operating space 16. The limiting groove 18 releases its circumferential limitation on the nut 22. At this time, a tool such as a wrench can be used to reach into the operating space 16 and tighten the nut 22 located within the operating space 16, so that the nut 22 is locked with the adjacent nut 22 located within the limiting groove 18. Then, by tightening the nut on the other end of the fastening bolt 24, that is, by tightening the nut on the other end plate of the electrolytic cell away from the support plate, the electrolytic cell is forced to be installed securely, and the assembly of the electrolytic cell is completed. During the tightening of the nut 22, the remaining nut 22 is still within the limiting groove 18. Therefore, the limiting groove 18 can still form a circumferential limitation on the remaining part of the nut 22. It is not necessary to use other tools to fix the remaining part of the nut 22, which facilitates the assembly operation and improves the assembly efficiency.
[0032] In an alternative example, under pre-tightened conditions, the nut 22 located within the operating space 16 abuts against or approaches the support plate 12 to create a preliminary locking effect on the electrolytic cell.
[0033] The specific number of nuts 22 that the limiting groove 18 can accommodate can be set according to assembly needs. In this embodiment, the limiting groove 18 can accommodate two nuts 22. In the pre-tightened state, one nut 22 is located outside the limiting groove 18, that is, inside the operating space 16, while the other nut 22 remains inside the limiting groove 18. When the nut 22 in the operating space 16 is tightened to secure it to the nut located in the limiting groove 18, it is not necessary to use tools to fix the other nut 22, which is convenient for operation.
[0034] It should be noted that when nut 22 exits from the limiting groove 18 and enters the operating space 16, it means that the entire nut 22 is located outside the limiting groove 18 and is completely disengaged from the limiting groove 18. When nut 22 is located inside the limiting groove 18, it means that nut 22 is at least partially located inside the limiting groove 18. This can mean that the entire nut 22 is inside the limiting groove 18, or that part of the nut 22 is inside the limiting groove 18 and part is outside the limiting groove 18. As long as part of nut 22 is located inside the limiting groove 18, the limiting groove 18 can provide an axial limiting effect for nut 22.
[0035] The specific depth of the limiting groove 18 can be set according to the number of nuts 22 that need to be accommodated. In this embodiment, the limiting groove 18 is used to accommodate two nuts 22, and the depth of the limiting groove 18 is equal to or close to the sum of the heights of the two nuts 22.
[0036] Understandably, the electrolytic cell fixture 10 can be pre-tightened by controlling the distance between the support plate 12 and the fixed plate 14, i.e., the height of the operating space 16, to limit the movement distance of the nut 22, or by controlling the stroke of the bolt 24, i.e., the screw-in distance, to control the movement distance of the nut 22. As long as it can form a state in which one nut 22 exits the limiting groove 18 and the remaining nuts 22 remain in the limiting groove 18, it is acceptable.
[0037] In one embodiment, the distance between the support plate 12 and the fixing plate 14 is greater than or equal to the height of one nut 22 and less than the sum of the heights of two nuts 22, so that the space between the support plate 12 and the fixing plate 14 can accommodate one nut 22 in the axial direction, but cannot accommodate two nuts 22 at the same time, thereby creating the effect that one nut 22 can rotate while the other nut 22 cannot rotate.
[0038] Optionally, along the axial direction of bolt 24, the two surfaces of the support plate 12 and the fixing plate 14 that are close to each other are both planes, and the two surfaces of the support plate 12 and the fixing plate 14 that are close to each other are parallel to each other. The distance between the support plate 12 and the fixing plate 14 is the distance between the two surfaces of the support plate 12 and the fixing plate 14 that are close to each other, which is also the height of the operating space 16.
[0039] In one embodiment, the inner wall of the limiting groove 18 forms a plurality of limiting planes 26, each limiting plane 26 being used to fit against the corresponding circumferential side of the nut 22. The outer contour shape of the nut 22 is generally a regular polygon, and its circumferential side is a plane. By forming a plurality of limiting planes 26 on the inner wall of the limiting groove 18, after the limiting planes 26 fit against the axial side of the nut 22, the rotation of the nut 22 can be prevented, thereby enabling the limiting groove 18 to achieve the effect of circumferentially limiting but not axially limiting the nut 22 located inside it.
[0040] The number of limiting planes 26 can be two, three, four, etc. In this embodiment, the number of limiting planes 26 is four, of which two limiting planes 26 are arranged opposite each other at intervals, and the other two limiting planes 26 are connected between the two limiting planes 26 arranged opposite each other at intervals. Each limiting plane 26 is respectively attached to a corresponding circumferential side of the nut 22 to enhance the circumferential limiting effect.
[0041] One side of the limiting groove 18 extends to the outer circumferential surface of the fixing plate 14 to form an opening 28 on the outer circumferential surface of the fixing plate 14. This allows the nut 22 to be inserted into the limiting groove 18 from the outer circumferential surface of the fixing plate 14 through the opening 28. The nut 22 will not be interfered with by the support plate 12 during the process of inserting it into the limiting groove 18, which is convenient for operation. At the same time, the displacement of the nut 22 can be observed during the tightening of the bolt 24.
[0042] The limiting groove 18 has a limiting plane 26 at the end away from the opening 28. The through hole 20 is close to the end of the limiting groove 18 away from the opening 28. After the nut 22 is placed into the limiting groove 18, the nut 22 can be pushed directly from the end of the limiting groove 18 close to the opening 28 to the end away from the opening 28. This will make the limiting plane 26 fit with the circumferential side of the nut 22, forming a circumferential limiting effect on the nut 22, further reducing the difficulty of operation.
[0043] In one embodiment, the electrolytic cell fixture 10 further includes a base 30 located on the side of the fixed plate 14 away from the support plate 12. The base 30 is spaced apart from the fixed plate 14. When the bolt 24 is screwed in to abut against the base 30, the bolt 24 can no longer continue to rotate in that direction, thereby limiting the stroke of the bolt 24, i.e., the screwing distance, so that the operator can better judge whether the bolt 24 has moved to the designated position. When the bolt 24 abuts against the base 30, the electrolytic cell fixture 10 is in a pre-tightened state. At this time, one nut 22 moves from the limiting groove 18 into the operating space 16, while the other nut 22 remains in the limiting groove 18.
[0044] The base 30 has a protruding post 32 on the side near the fixed plate 14. The fixed plate 14 has a clearance hole 34 corresponding to the protruding post 32. The protruding post 32 passes through the clearance hole 34 and is rotatably connected to the support plate 12 through the bearing 36. This allows the support plate 12 and the fixed plate 14 to rotate relative to the base 30, and drive the electrolytic cell placed on the support plate 12 to rotate together. This allows the operator to adjust the operating position by rotating the electrolytic cell tooling fixture 10 without having to walk to different sides of the electrolytic cell tooling fixture 10. This facilitates the assembly of different parts of the electrolytic cell and the electrolytic cell tooling fixture 10. In addition, the bearing 36 can reduce frictional resistance, making it easier for the operator to rotate the electrolytic cell.
[0045] Optionally, the bearing 36 is a ball-bearing needle bearing 36, which allows the bearing 36 to withstand not only radial force but also a large axial force, enabling the electrolytic cell tooling fixture 10 to bear the weight of the electrolytic cell and achieve 360° rotation.
[0046] The support plate 12 has a protrusion 38 that passes through the clearance hole 34 on the side near the base 30. The protrusion 38 has a mounting hole, the protrusion 32 is inserted into the mounting hole, and the bearing 36 is located between the protrusion 32 and the protrusion 38, thereby realizing the rotational connection between the support plate 12 and the protrusion 38.
[0047] In one embodiment, the fixing plate 14 is provided with a plurality of mutually spaced limiting grooves 18, each limiting groove 18 accommodating a plurality of nuts 22, and each limiting groove 18 has a through hole 20 on its bottom wall. The plurality of limiting grooves 18 are located at the same height, that is, the bottom walls of the plurality of limiting grooves 18 are at the same height, and the distance between each limiting groove 18 and the base 30 is the same, so that the plurality of bolts 24 move the same distance from contacting the corresponding nut 22 to abutting the base 30, thereby ensuring that the plurality of nuts 22 located in the operating space 16 are at the same height in the pre-tightened state.
[0048] The two side surfaces of the fixing plate 14 and the base 30 that are close to each other are both flat and parallel, so that the distance between different positions on the two side surfaces is the same. Optionally, the side of the fixing plate 14 away from the base 30 is also flat, and the two opposite sides of the fixing plate 14 are parallel to each other. Therefore, by keeping the depth of the multiple limiting grooves 18 consistent, the distance between the multiple limiting grooves 18 and the base 30 can be kept the same. The structure is simple and helps to reduce the difficulty of production.
[0049] The distance between the fixing plate 14 and the base 30 is greater than the distance between the fixing plate 14 and the support plate 12, so that the movement distance of the bolt 24 is greater than the movement distance of the nut 22, ensuring that the nut 22 can exit from the limiting groove 18 and enter the operating space 16.
[0050] In one embodiment, the support plate 12 and the fixed plate 14 are connected by a connecting component 42, which allows the support plate 12 and the fixed plate 14 to remain relatively fixed in the circumferential direction and to move relatively in the axial direction. The relative fixation in the circumferential direction allows the support plate 12 and the fixed plate 14 to rotate together relative to the base 30, and the relative movement in the axial direction allows the distance between the support plate 12 and the fixed plate 14 to be adjustable. During the tightening of the nut 22, the distance between the support plate 12 and the fixed plate 14 can be increased to tighten the nut 22 located in the operating space 16.
[0051] The connecting assembly 42 includes a connector 44, a first limiting sleeve 46, a second limiting sleeve 48, and a spring 50. One end of the connector 44 is movably inserted through the fixed plate 14 and fixed relative to the support plate 12. The first limiting sleeve 46, the second limiting sleeve 48, and the spring 50 are all sleeved on the outside of the connector 44. The first limiting sleeve 46 is located between the support plate 12 and the fixed plate 14. The spring 50 is located on the side of the fixed plate 14 away from the support plate 12 and is in a compressed state. Under the action of the spring 50, both ends of the first limiting sleeve 46 abut against the fixed plate 14 and the support plate 12 respectively, preventing the distance between the fixed plate 14 and the support plate 12 from being too small. Optionally, the support plate 12 and the fixed plate 14 are arranged parallel to each other, and the minimum axial distance between the support plate 12 and the fixed plate 14 is the axial height of the first limiting sleeve 46.
[0052] The second limiting sleeve 48 is located on the side of the fixed plate 14 away from the support plate 12, and one axial end of the second limiting sleeve 48 is spaced apart from the fixed plate 14, so that the applied external force is applied to the fixed plate 14, compressing the spring 50 to move away from the support plate 12, thereby increasing the distance between the support plate 12 and the fixed plate 14, so that the tool can be placed between the support plate 12 and the fixed plate 14 to tighten the nut 22. When the fixed plate 14 moves away from the support plate 12 to abut against the second limiting sleeve 48, the fixed plate 14 can no longer move away from the support plate 12, thus limiting the movement distance of the fixed plate 14 and preventing other nuts 22 from dislodging from the limiting groove 18.
[0053] Optionally, the sum of the axial distance between the fixing plate 14 and the second limiting sleeve 48 and the axial length of the first limiting sleeve 46 is less than the sum of the heights of the two nuts 22, so as to avoid the fixing plate 14 moving too far and causing both nuts 22 to exit from the limiting groove 18.
[0054] The fixed plate 14 has a receiving hole 52 on the side away from the support plate 12. The spring 50 and the second limiting sleeve 48 are housed in the receiving hole 52 to improve the compactness of the structure. The connector 44 has a stop member 54 at the end away from the support plate 12. The end of the second limiting sleeve 48 away from the support plate 12 abuts against the stop member 54, and the other end is spaced apart from the inner wall of the receiving hole 52. The two ends of the spring 50 abut against the stop member 54 and the inner wall of the receiving hole 52, respectively.
[0055] In one embodiment, a ruler assembly 56 is provided on the side of the support plate 12 away from the fixed plate 14. The ruler assembly 56 includes a slide 58 connected to the support plate 12 and a ruler 60 that slides in cooperation with the slide 58. The ruler 60 has scale lines 61. Optionally, the slide 58 has a groove that extends away from the support plate 12, and the ruler 60 slides in cooperation with the slide 58 through the groove. After the electrolytic cell is assembled by the electrolytic cell tooling fixture 10, the ruler 60 can be driven to slide relative to the slide 58, and the scale lines 61 on the ruler 60 can be used to measure parameters such as the height of the electrolytic cell's discs and the height of the disc spring.
[0056] The top of the straightedge 60 is provided with a stop 62, which extends in a direction perpendicular to the sliding direction of the straightedge 60. The stop 62 abuts against the top of the slide block 58 to prevent the straightedge 60 from sliding off the bottom of the slide groove.
[0057] There are multiple straightedge components 56, which are respectively located on different sides of the support plate 12. The straightedge components 56 are located close to the outer edge of the support plate 12. During the assembly of the electrolytic cell using the electrolytic cell tooling fixture 10, multiple straightedge components 56 can be used to position each component of the electrolytic cell, so that the straightedge components 56 can simultaneously perform measurement and positioning functions without the need for additional positioning pins or other positioning structures.
[0058] In this embodiment, there are two straightedges 60. The two straightedge assemblies 56 are located on adjacent sides of the support plate 12, and each straightedge assembly 56 includes two slidingly engaged slide blocks 58 and straightedges 60.
[0059] Please see Figure 1 and Figure 2 In one embodiment, the support plate 12 is provided with a slot 15 and a through hole 17. The slot 15 is located on the side of the support plate 12 away from the fixing plate 14, and the through hole 17 is located on the side of the slot 15 close to the fixing plate 14, and is connected to the slot 15 and the operating space 16 respectively. The inner diameter of the through hole 17 is smaller than the inner diameter of the slot 15 and larger than the outer diameter of the nut 22. The slot 15 is used to accommodate the stacked gasket 19 and insulating pad 21. The insulating pad 21 is located above the gasket 19. Both the insulating pad 21 and the gasket 19 are annular. The inner diameter of the through hole 17 is smaller than the outer diameter of the gasket 19 and the insulating pad 21, and the through hole 17, the gasket 19 and the insulating pad 21 are coaxially arranged. The bolt 24 passes through the insulating pad 21, the gasket 19 and the through hole 17 in sequence. Since the outer diameter of the nut 22 is smaller than the inner diameter of the through hole 17, the nut 22 can pass through the through hole 17, so that the electrolytic cell can move upward and separate from the electrolytic cell tooling fixture 10. When the electrolytic cell is separated from the electrolytic cell tooling fixture 10, it is not necessary to remove the nut 22, which facilitates the disassembly of the electrolytic cell.
[0060] The method for assembling an electrolytic cell using the electrolytic cell tooling fixture 10 is as follows:
[0061] First, place the washer 19 and insulating pad 21 of the electrolytic cell bolt into the slot 15 of the support plate 12. Then, place the lower end plate of the electrolytic cell on the upper surface of the support plate 12. Then, stack the middle part of the electrolytic cell and the upper end plate in the axial direction on the upper surface of the end plate. The straightedge assembly 56 on the support plate 12 positions each component of the stacked electrolytic cell. There is no need to set the positioning pin. Place the corresponding number of nuts 22 in the limiting groove 18.
[0062] After all components of the electrolytic cell are assembled, bolts 24 are inserted from the top of the electrolytic cell. When bolts 24 and nuts 22 begin to engage, bolts 24 are rotated and tightened until the lower end of bolts 24 abuts against the base 30. During the screwing of bolts 24, nuts 22 are circumferentially fixed by the limiting groove 18 and can only move axially. When the lower end of bolts 24 abuts against the base 30, only one nut 22 is completely disengaged from the limiting groove 18. At this point, a wrench is used to tighten this nut 22, which locks itself with the other nuts 22 located in the limiting groove 18. The other nuts 22 located in the limiting groove 18 are limited by the limiting groove 18 and do not require wrench tightening. When a change of work position is required, the support plate 12 is rotated, and the electrolytic cell rotates with the support plate 12 to change the assembly position. After the nuts at the lower end plate of the electrolytic cell are tightened, the nuts at the upper end plate of the electrolytic cell are tightened to complete the assembly of the electrolytic cell. When the electrolytic cell is detached from the electrolytic cell fixture 10, the nut 22 that secures the lower end plate can pass through the through hole 17 without obstruction, thus separating the electrolytic cell from the electrolytic cell fixture 10.
[0063] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.
Claims
1. A tooling fixture for an electrolytic cell, characterized in that, The device includes a support plate and a fixing plate connected to the support plate. The support plate and the fixing plate are spaced apart to form an operating space. The fixing plate has an inwardly recessed limiting groove and a through hole on the bottom wall of the limiting groove on the side facing the support plate. The limiting groove is used to accommodate multiple nuts, and the through hole is used for the power release bolt to pass through. The electrolytic cell tooling fixture includes a pre-tightened state that supports the locking of the electrolytic cell. In the pre-tightened state, among the multiple nuts fitted on the bolt, one nut exits from the limiting groove and enters the operating space, while the remaining nuts remain in the limiting groove. The limiting groove is used to circumferentially limit the nuts located inside it.
2. The electrolytic cell tooling fixture according to claim 1, characterized in that, The distance between the support plate and the fixing plate is greater than or equal to the height of one nut and less than the sum of the heights of two nuts.
3. The electrolytic cell tooling fixture according to claim 1, characterized in that, The inner wall of the limiting groove forms multiple limiting planes, each of which is used to fit against the corresponding circumferential side of the nut; and / or, One side of the limiting groove extends to the circumferential outer surface of the fixing plate, forming an opening on the circumferential outer surface of the fixing plate.
4. The electrolytic cell tooling fixture according to claim 1, characterized in that, The electrolytic cell fixture also includes a base located on the side of the fixed plate away from the support plate, the base being spaced apart from the fixed plate to limit the travel of the bolts.
5. The electrolytic cell tooling fixture according to claim 4, characterized in that, The fixing plate is provided with a plurality of mutually spaced limiting grooves, the plurality of limiting grooves are located at the same height, and the distance between each limiting groove and the base is the same.
6. The electrolytic cell tooling fixture according to claim 5, characterized in that, The two adjacent side surfaces of the fixing plate and the base are both planes, and the two side surfaces are parallel to each other; and / or, The distance between the fixing plate and the base is greater than the distance between the fixing plate and the support plate.
7. The electrolytic cell tooling fixture according to claim 4, characterized in that, The base has a protruding post on the side near the fixing plate, and the fixing plate has a clearance hole corresponding to the protruding post. The protruding post passes through the clearance hole and is rotatably connected to the support plate through a bearing.
8. The electrolytic cell tooling fixture according to any one of claims 1-7, characterized in that, The support plate and the fixed plate are connected by a connecting assembly, which includes a connector, a first limiting sleeve, a second limiting sleeve, and a spring. The connector is movably inserted through the fixed plate and fixed relative to the support plate. The first limiting sleeve, the second limiting sleeve, and the spring are sleeved on the outside of the connector. The two ends of the first limiting sleeve abut against the support plate and the fixed plate, respectively. The second limiting sleeve and the spring are located on the side of the fixed plate away from the support plate. One axial end of the second limiting sleeve is spaced apart from the fixed plate so that the fixed plate can compress the spring to move away from the support plate.
9. The electrolytic cell tooling fixture according to any one of claims 1-7, characterized in that, The support plate is provided with a straightedge assembly on the side away from the fixed plate. The straightedge assembly is located near the outer edge of the support plate. The straightedge assembly includes a slide connected to the support plate and a straightedge that slides with the slide. The straightedge is provided with scale lines.
10. The electrolytic cell tooling fixture according to claim 9, characterized in that, The number of straightedge components is multiple, and the multiple straightedge components are respectively disposed on different sides of the support plate.