Pull rod assembly and electrolytic bath

Abstract

The utility model discloses a pull rod assembly and an electrolytic bath, and relates to the technical field of electrolytic baths, the pull rod assembly is applied to the electrolytic bath, the pull rod assembly comprises a pull rod, a pressure sensor, a first limiting ring and a second limiting ring, and the first limiting ring and the second limiting ring are sequentially and annularly arranged on the periphery of the pull rod in the axial direction of the pull rod; at least the second limiting ring is configured as an insulating ring; the pressure sensor is installed on the pull rod and clamped between the first limiting ring and the second limiting ring. According to the technical scheme, the pressure sensor is clamped between the first limiting ring and the second limiting ring on the pull rod, so that the pressure sensor can monitor the change condition of the pulling force borne by the pull rod in real time, the abnormal condition of the electrolytic cell can be found in time, the pulling force borne by the pull rod is adjusted in time, and the service life of the electrolytic cell is prolonged. Potential safety hazards or equipment damage are avoided, and therefore the safety performance of the electrolytic cell is improved.

Description

Technical Field

[0001] This application relates to the field of electrolytic cell technology, and in particular to a tie rod assembly and an electrolytic cell. Background Technology

[0002] During operation, the temperature in the electrolytic cell rises to approximately 90°C. Under these high temperatures, the volume of the electrolytic cell changes due to thermal expansion and contraction, causing the tie rods connecting the two end plates to gradually lengthen and bear increasing tensile force. This constant change in stress makes the tie rods prone to fatigue damage, shortening their service life, reducing the safety of the electrolytic cell during operation, and increasing the risk of accidents. Utility Model Content

[0003] The main objective of this application is to propose a tie rod assembly and an electrolytic cell, which aims to enable real-time monitoring of changes in the tension on the tie rod, so as to adjust the tension on the tie rod in a timely manner, thereby improving the safety performance of the electrolytic cell.

[0004] To achieve the above objectives, the present application proposes a tie rod assembly applied in an electrolytic cell, the tie rod assembly comprising:

[0005] Pull rod;

[0006] The first limiting ring and the second limiting ring are sequentially arranged around the outer periphery of the pull rod along the axial direction of the pull rod, and at least the second limiting ring is configured as an insulating ring;

[0007] A pressure sensor is installed on the pull rod and clamped between the first limiting ring and the second limiting ring.

[0008] In one embodiment, the pressure sensor is ring-shaped and arranged around the outer periphery of the pull rod.

[0009] In one embodiment, the pressure sensor is configured as a spring-loaded pressure sensor.

[0010] In one embodiment, the pull rod assembly further includes an elastic element, which is disposed around the outer periphery of the pull rod, and the elastic element, the first limiting ring, and the second limiting ring are arranged sequentially along the axial direction of the pull rod.

[0011] In one embodiment, the outer periphery of the pull rod has an abutment surface facing the first limiting ring, and the elastic element is disposed between the abutment surface and the first limiting ring.

[0012] In one embodiment, the pull rod includes a main body section and a threaded section connecting the main body section, the threaded section being provided with a nut, and the elastic element being disposed between the nut and the first limiting ring.

[0013] In one embodiment, the outer diameter of the first limiting ring is greater than or equal to the diameter of the elastic element.

[0014] In one embodiment, the elastic element has one.

[0015] In one embodiment, there are multiple elastic elements, which are arranged sequentially along the axial direction of the pull rod, with adjacent elastic elements abutting against each other.

[0016] This application also proposes an electrolytic cell, including two oppositely arranged end plates and an electrode plate clamped between the two end plates. The two end plates are tightened together by a plurality of connecting rods, at least one of the connecting rods being configured as the aforementioned pull rod assembly. A second limiting ring is disposed between the pressure sensor and the end plates and abuts against the end plates.

[0017] In one embodiment, all of the plurality of connecting rods are configured as the pull rod assemblies, and the plurality of pull rod assemblies are spaced apart along the outer periphery of the electrode plate.

[0018] The technical solution of this application incorporates a pressure sensor sandwiched between the first and second limiting rings on the pull rod. This pressure sensor can monitor the changes in the tension on the pull rod in real time, enabling timely detection of abnormalities in the electrolytic cell and prompt adjustment of the tension on the pull rod to avoid potential safety hazards or equipment damage, thereby improving the safety performance of the electrolytic cell. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of a structure of an embodiment of the tie rod assembly provided in this application;

[0021] Figure 2 for Figure 1 A schematic diagram of a structural embodiment of a medium pressure sensor;

[0022] Figure 3 for Figure 1 A partial structural schematic diagram of the tie rod assembly;

[0023] Figure 4 for Figure 1 A schematic diagram of a structure of the tie rod assembly after removing the elastic element;

[0024] Figure 5 for Figure 1 A schematic diagram of another embodiment of the tie rod assembly after removing the elastic element;

[0025] Figure 6 This is a schematic diagram of the structure of an embodiment of the electrolytic cell provided in this application.

[0026] Explanation of icon numbers:

[0027] 10. Pull rod assembly; 20. End pressure plate; 30. Electrode plate; 40. Connecting rod; 100. Pull rod; 110. Abutment surface; 120. Main body section; 130. Threaded section; 210. First limiting ring; 220. Second limiting ring; 300. Pressure sensor; 400. Elastic element; 500. Nut.

[0028] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0029] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0030] It should be noted that if the embodiments of this application involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0031] Furthermore, if the embodiments of this application involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution that simultaneously satisfies A and B. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0032] This application proposes a tie rod assembly 10.

[0033] Please see Figures 1 to 3 In one embodiment of this application, the pull rod assembly 10 is applied to an electrolytic cell. The pull rod assembly 10 includes a pull rod 100, a pressure sensor 300, a first limiting ring 210, and a second limiting ring 220. The first limiting ring 210 and the second limiting ring 220 are sequentially arranged around the outer periphery of the pull rod 100 along the axial direction of the pull rod 100. At least the second limiting ring 220 is configured as an insulating ring. The pressure sensor 300 is installed on the pull rod 100 and sandwiched between the first limiting ring 210 and the second limiting ring 220.

[0034] Specifically, the tie rod 100 is made of high-strength material and can withstand large tensile and compressive forces. The tie rod 100 is used to tighten the end plates at both ends of the electrolytic cell to ensure the structural stability of the electrolytic cell during operation.

[0035] The first limiting ring 210 and the second limiting ring 220 are sequentially arranged on the outer periphery of the pull rod 100 along its axial direction and are located outside the end pressure plate. The first limiting ring 210 and the second limiting ring 220 limit the pressure sensor 300, preventing it from moving freely on the pull rod 100 and ensuring the accuracy of the pressure sensor's measurement results. At least the second limiting ring 220 is configured as an insulating ring to reduce the influence of external electrical interference on the pressure sensor 300's readings, thus facilitating more accurate pressure measurement. It is permissible for only the second limiting ring 220 to be configured as an insulating ring, only the first limiting ring 210 to be configured as an insulating ring, or both the first limiting ring 210 and the second limiting ring 220 to be configured as insulating rings.

[0036] The pressure sensor 300 is mounted on the pull rod 100, located between the first limiting ring 210 and the second limiting ring 220. Since forces are reciprocal, as the tension on the pull rod 100 changes, the pressure between the first limiting ring 210 and the second limiting ring 220 also changes accordingly. By detecting the change in pressure between the first limiting ring 210 and the second limiting ring 220, the pressure sensor 300 can determine the change in tension on the pull rod 100. Therefore, the pressure sensor 300 can monitor and record the pressure changes on the pull rod 100 in real time. Based on the data changes, the control system guides the electrolytic cell to correct relevant parameters and adjust the fastening force of the pull rod 100 to bring it close to the set value, thereby reducing the risk of fatigue damage to the pull rod 100 and helping to extend its service life. This also ensures the stability and safety of the electrolytic cell operation.

[0037] Furthermore, the dimensions of the pull rod 100 are scientifically designed based on the measured data from the pressure sensor 300. For example, when the pull rod 100 is subjected to a large tensile force, the diameter of the pull rod 100 can be increased to improve its strength and extend the service life of the pull rod assembly 10; conversely, a pull rod 100 with a smaller diameter can be used to achieve the goal of reducing costs and increasing efficiency.

[0038] The technical solution of this application provides a pressure sensor 300 sandwiched between the first limiting ring 210 and the second limiting ring 220 on the pull rod 100. The pressure sensor 300 can monitor the changes in the tension on the pull rod 100 in real time, so as to detect abnormalities in the electrolytic cell in a timely manner and adjust the tension on the pull rod 100 in a timely manner to avoid potential safety hazards or equipment damage, thereby improving the safety performance of the electrolytic cell.

[0039] In one implementation, please refer to Figures 1 to 3 The pressure sensor 300 is ring-shaped and is arranged around the outer periphery of the pull rod 100.

[0040] By directly fitting the annular pressure sensor 300 onto the pull rod 100, ensuring close contact, the annular pressure sensor 300 can more comprehensively and accurately detect the pressure distribution along the circumference of the pull rod 100. This allows the sensor to better adapt to changes in the surface of the pull rod 100, reducing measurement errors caused by installation position. Furthermore, the annular pressure sensor 300 is easy to install on the pull rod 100 without requiring complex fixing devices, reducing installation difficulty and time costs. Simultaneously, the pressure sensor 300 is less prone to detachment, resulting in better installation reliability.

[0041] In other embodiments, the pressure sensor 300 may also be disposed on the outside of the pull rod 100 and fixedly connected to the first limiting ring 210 and / or the second limiting ring 220 by means of snap-fit, adhesive or other methods.

[0042] In one implementation, please refer to Figure 3 The pressure sensor 300 is configured as a spring-loaded pressure sensor 300.

[0043] The spring-loaded pressure sensor 300 is made of an elastic material and can deform under external force, converting this mechanical deformation into an electrical signal output. The spring-loaded pressure sensor 300 has high sensitivity and can accurately detect minute pressure changes. Designing the spring-loaded pressure sensor 300 as a ring and directly mounting it around the pull rod 100 not only improves measurement accuracy but also enhances the overall stability and reliability of the equipment. The spring-loaded sensor has good fatigue resistance and is not easily damaged during long-term use, increasing the service life of the pull rod assembly 10 system.

[0044] In other embodiments, the pressure sensor 300 may also be other types of sensors, such as a piezoelectric pressure sensor 300, a capacitive pressure sensor 300, a silicon piezoresistive pressure sensor 300, etc.

[0045] In one implementation, please refer to Figure 1 and Figure 3 The pull rod assembly 10 also includes an elastic element 400, which is arranged around the outer periphery of the pull rod 100. The elastic element 400, the first limiting ring 210, and the second limiting ring 220 are arranged sequentially along the axial direction of the pull rod 100.

[0046] An elastic element 400 is arranged around the outer periphery of the pull rod 100. The first limiting ring 210 and the second limiting ring 220 are located on the same side of the elastic element 400. The elastic element 400 can provide a certain degree of buffering, effectively absorbing impact and vibration, and protecting the pressure sensor 300 from damage. The elastic element 400 can also adjust the preload of the pull rod 100 to compensate for the tension of the pull rod 100 and reduce fatigue damage to the pull rod 100 caused by tension. When the end plate expands outward, it pushes against the second limiting ring 220. The first limiting ring 210, the second limiting ring 220, and the pressure sensor 300 move towards the elastic element 400 under the pushing force of the end plate, compressing the elastic element 400. The elastic element 400 provides a reaction force to the first limiting ring 210 and transmits this force to the pressure sensor 300. This allows the pressure sensor 300 to more accurately detect pressure changes on the pull rod 100. Furthermore, the buffering effect of the elastic element 400 reduces the impact of instantaneous overload on the pressure sensor 300, extending its service life. Simultaneously, the elastic element 400 can compensate for the tensile force on the pull rod 100, preventing excessive tensile force and reducing the risk of damage to the pull rod 100. In addition, the force data collected by the pressure sensor 300 can be matched with the compensation capability of the elastic element 400 to detect the matching between the force value of the change transmitted to the elastic element 400 by the thermal expansion and contraction of the electrolytic cell and the compensation capability of the elastic element 400, so as to ensure that the compensation capability of the elastic element 400 is within a reasonable range and improve the service life of the elastic element 400.

[0047] In one embodiment, please refer to the figure, the outer periphery of the pull rod 100 is formed with an abutment surface 110 facing the first limiting ring 210, and the elastic member 400 is disposed between the abutment surface 110 and the first limiting ring 210.

[0048] The abutment surface 110 can be formed by protruding outward from the outer periphery of the pull rod 100, or the outer periphery of the pull rod 100 can be connected with a pin, positioning ring, etc. The abutment surface 110 provides a support surface for the elastic element 400, preventing the elastic element 400 from falling off the pull rod 100, and providing support to the elastic element 400 when it is compressed.

[0049] In one implementation, please refer to Figure 4 The pull rod 100 includes a main body section 120 and a threaded section 130 connecting the main body section 120. The threaded section 130 is provided with a nut 500, and an elastic element 400 is provided between the nut 500 and the first limiting ring 210.

[0050] A threaded section 130 is connected to one or both ends of the main body section 120. The threaded section 130 has threads to facilitate the installation of the nut 500. The nut 500 provides a support surface for the elastic element 400, preventing it from detaching from the tie rod 100 and providing support to the elastic element 400 when it is compressed. The nut 500 is mounted on the threaded section 130, and its position on the tie rod 100 can be adjusted by rotation to change the compression of the elastic element 400, thereby controlling the pressure applied to the first limit ring 210 and adjusting the preload on the tie rod 100. This allows the tie rod assembly 10 to better adapt to different working conditions. The cooperation between the nut 500 and the elastic element 400 provides necessary buffering and adjustment space, ensuring the stability and accuracy of the entire system. Furthermore, the design of the threaded section 130 and the nut 500 makes the installation and removal of the tie rod assembly 10 simpler and faster, without the need for complex tools or processes.

[0051] In one implementation, please refer to Figure 5 The outer diameter of the first limiting ring 210 is greater than or equal to the diameter of the elastic element 400.

[0052] The outer diameter of the first limiting ring 210 refers to the maximum external diameter of the first limiting ring 210. The outer diameter of the first limiting ring 210 determines its physical dimensions on the tie rod 100 and the range of restraint it provides. The diameter of the elastic element 400 refers to its diameter in its unloaded state. When the outer diameter of the first limiting ring 210 is designed to be greater than or equal to the diameter of the elastic element 400, the first limiting ring 210 can physically completely cover or at least match the size of the elastic element 400, preventing the elastic element 400 from shifting or misaligning when subjected to lateral forces or vibrations, ensuring the reliability of their relative positions, and thus guaranteeing effective force transmission. The larger size of the first limiting ring 210 helps to uniformly transmit the pressure from the end pressure plate to the elastic element 400, resulting in a more uniform pressure distribution, reducing local stress concentration, and extending the service life of the elastic element 400 and other related components.

[0053] In one implementation, please refer to Figure 1 and Figure 3 The elastic element 400 has one.

[0054] Using a single elastic element 400 can significantly simplify the overall design of the tie rod assembly 10, reduce the number of required parts, thereby lowering manufacturing costs and assembly difficulty, and helping to improve production efficiency and reduce costs. By reasonably selecting materials and design parameters (such as hardness, thickness, length, etc.), the single elastic element 400 can have sufficient elasticity and strength to meet compensation requirements. For example, materials with a high elastic modulus can be selected to adapt to higher compensation requirements.

[0055] In another embodiment, there are multiple elastic elements 400, which are arranged sequentially along the axial direction of the tie rod 100, with adjacent elastic elements 400 abutting against each other.

[0056] The combined use of multiple elastic elements 400 significantly improves the overall load-bearing capacity and compressive strength of the tie rod assembly 10. By employing multiple elastic elements 400, a continuous buffer and support structure can be formed in the axial direction. Each elastic element 400 bears a portion of the pressure, working together to achieve more effective stress dispersion and absorption. Moreover, the force is shared by multiple elastic elements 400, and no single elastic element 400 needs to bear the entire pressure, reducing the possibility of failure due to overload. Adjacent elastic elements 400 are in direct contact and can work collaboratively without relying on additional fixing devices. When one elastic element 400 is compressed, it transfers part of the force to the next elastic element 400, forming a chain reaction. The close contact between the elastic elements 400 makes the force transmission more direct and effective, reducing hysteresis and improving overall working efficiency. Based on the force data collected by the pressure sensor 300, different numbers and types of elastic elements 400 can be combined to match the tensile force on the pull rod 100 with the compensation capacity of the elastic elements 400. This ensures the matching of the force transmitted to each elastic element 400 by the rear pressure plate during thermal expansion and contraction with the compression amount of the elastic element 400. For example, when the tensile force on the pull rod 100 is large, the number of elastic elements 400 can be increased to ensure that the variation in the compression amount of each elastic element 400 is within a reasonable range, thereby improving the service life of the elastic elements 400.

[0057] In one embodiment, the elastic element 400 is configured as a disc spring.

[0058] Disc springs, also known as wave springs or Belleville springs, are conical disc springs, typically made of high-strength materials such as spring steel. They provide significant spring force within a short compression distance and exhibit good fatigue strength and stability. Disc springs can be used individually, in multiple stacks, or in combination to meet different compensation needs. Disc springs effectively absorb shocks and vibrations, protecting the pressure sensor 300 from damage. Furthermore, due to their material properties and unique structure, disc springs have a high fatigue life, maintaining stable performance even under long-term cyclic loading conditions, ensuring the tie rod assembly 10 maintains reliable performance even in harsh working environments.

[0059] In other embodiments, the elastic element 400 may also be configured as a helical spring, wave spring, composite material spring, etc.

[0060] This application also proposes an electrolytic cell, which includes an end pressure plate 20, an electrode plate 30, and a pull rod assembly 10. The specific structure of the pull rod assembly 10 is as described in the above embodiments. Since this electrolytic cell adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0061] The two end pressure plates 20 are tightened together by multiple connecting rods 30, at least one connecting rod 40 is configured as a pull rod assembly 10, and the second limiting ring 220 is located between the pressure sensor 300 and the end pressure plate and abuts against the end pressure plate.

[0062] Please see Figure 6 By using connecting rods 40 to tightly tighten the two end pressure plates 20, the rigidity and stability of the overall structure of the electrolytic cell are enhanced, reducing potential deformation or leakage problems during operation. At least one connecting rod 40 is configured as a tie rod assembly 10, enabling direct and accurate measurement of the pressure on the end pressure plates 20. This helps to promptly identify and resolve problems, preventing equipment damage or safety accidents. A second limiting ring 220 is located between the pressure sensor 300 and the end pressure plates 20, directly abutting against the end pressure plates 20. This not only helps to fix the position of the pressure sensor 300 but also ensures effective force transmission, allowing the pressure sensor 300 to accurately measure pressure changes applied by the end pressure plates 20.

[0063] In one embodiment, the plurality of connecting rods 40 are all configured as pull rod assemblies 10, and the plurality of pull rod assemblies 10 are spaced apart along the outer periphery of the electrode plate.

[0064] Multiple connecting rods 40 are configured as tie rod assemblies 10, meaning each connecting rod used to connect the two end pressure plates is designed as a composite assembly including a tie rod 100, a pressure sensor 300, an elastic element 400, a first limiting ring 210, and a second limiting ring 220. This not only provides physical connection and tension to the end pressure plates 20 but also increases the ability to monitor the tension exerted by the end pressure plates 20 on each tie rod 100. Each tie rod assembly 10 is equipped with a pressure sensor 300, which can monitor pressure changes in real time at different locations, providing comprehensive data support. Data from multiple measurement points can help establish a more accurate pressure model, optimize operating parameters, and ensure optimal working conditions.

[0065] In other embodiments, only one connecting rod 40 may be configured as a pull rod assembly 10, while the remaining connecting rods 40 may be conventional connecting rods; or some connecting rods 40 may be configured as pull rod assemblies 10, while the remaining connecting rods 40 may be conventional connecting rods.

[0066] The above description is merely an exemplary embodiment of this application and does not limit the patent scope of this application. Any equivalent structural transformations made based on the technical concept of this application and the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this application.

Claims

1. A drawbar assembly (10) characterized by, The application is applied to an electrolytic cell, and the pull rod assembly (10) comprises: a pull rod (100); a first limiting ring (210) and a second limiting ring (220) are arranged on the outer periphery of the pull rod (100) in sequence along the axial direction of the pull rod (100), and at least the second limiting ring (220) is configured as an insulating ring; a pressure sensor (300) is installed on the pull rod (100) and clamped between the first limiting ring (210) and the second limiting ring (220).

2. The pull rod assembly (10) of claim 1, wherein, The pressure sensor (300) is annular and arranged on the outer periphery of the pull rod (100).

3. The pull rod assembly (10) of claim 1, wherein, The pressure sensor (300) is configured as a spring sheet type pressure sensor (300).

4. The pull rod assembly (10) of claim 1, wherein, The pull rod assembly (10) further comprises an elastic member (400) arranged on the outer periphery of the pull rod (100), and the elastic member (400), the first limiting ring (210) and the second limiting ring (220) are arranged in sequence along the axial direction of the pull rod (100).

5. The pull rod assembly (10) of claim 4, wherein, The outer periphery of the pull rod (100) is formed with an abutting surface (110) facing the first limiting ring (210), and the elastic member (400) is arranged between the abutting surface (110) and the first limiting ring (210).

6. The pull rod assembly (10) of claim 4, wherein, The pull rod (100) comprises a main body section (120) and a threaded section (130) connected to the main body section (120), the threaded section (130) is provided with a nut (500), and the elastic member (400) is arranged between the nut (500) and the first limiting ring (210).

7. The pull rod assembly (10) of claim 4, wherein, The outer diameter of the first limiting ring (210) is greater than or equal to the diameter of the elastic member (400).

8. The pull rod assembly (10) of claim 4, wherein, The elastic member (400) has one; Or, the elastic member (400) has a plurality of elastic members (400) arranged in sequence along the axial direction of the pull rod (100), and adjacent two elastic members (400) abut each other.

9. An electrolytic cell characterized in that, The application relates to an electrolytic cell, and the electrolytic cell comprises two oppositely arranged end pressure plates (20) and a polar plate (30) clamped between the two end pressure plates (20), the two end pressure plates (20) are pulled tight through a plurality of connecting rods (40), at least one connecting rod (40) is configured as the pull rod assembly (10) in any one of claims 1 to 8, the second limiting ring (220) is arranged between the pressure sensor (300) and the end pressure plate (20) and abuts against the end pressure plate (20).

10. The electrolytic cell of claim 9, wherein, The plurality of connecting rods (40) are all configured as the pull rod assembly (10), and the plurality of pull rod assemblies (10) are arranged at intervals along the outer periphery of the polar plate (30).

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