A seal ring testing device
By designing a sealing ring testing device, the sealing ring is clamped using a support plate, fixed clamping parts, and movable clamping parts. The deformation and color change of the sealing ring are measured by a movable rod and a weighing sensor. This solves the problem of detecting the ductility and elasticity of sealing rings in nuclear power reactor cores and improves the accuracy and efficiency of sealing performance testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YANGJIANG NUCLEAR POWER
- Filing Date
- 2025-04-21
- Publication Date
- 2026-06-02
AI Technical Summary
Current technology lacks effective devices to detect the ductility, pressure, and elasticity of seals in nuclear power reactor cores, which affects the assurance of sealing performance.
A sealing ring testing device was designed, including a support plate, a fixed clamp, a movable clamp, a weighing sensor, a pull rope, a movable rod, and a measuring ruler. The fixed clamp and the movable clamp clamp the two sides of the sealing ring, and the deformation and color change of the sealing ring are measured by rotating the movable rod, thereby testing its ductility, pressure, and elasticity.
This technology enables accurate testing of the ductility, pressure, and elasticity of sealing rings under certain tension, ensuring the sealing performance of the sealing rings and improving the accuracy and efficiency of testing.
Smart Images

Figure CN224317418U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sealing ring testing, specifically a sealing ring testing device. Background Technology
[0002] In the neutron flux measurement system of nuclear power reactor core, the sealing ring is an important component to ensure the sealing performance of the internal sealing section. In order to ensure the ductility, pressure and elasticity of the sealing ring, there is an urgent need for a testing device that can detect the ductility, pressure and elasticity of the sealing ring. Utility Model Content
[0003] In view of this, the present invention provides a sealing ring testing device to detect the extensibility, pressure and elasticity of the sealing ring.
[0004] To achieve the above objectives, the present invention provides the following technical solutions:
[0005] A sealing ring testing device includes: a support plate, a fixed clamp, a movable clamp, a weighing sensor, a pull rope, a movable rod, a measuring ruler, and a fixing component;
[0006] The fixing component and the fixing clamp are respectively set at both ends of the support plate, and the fixing clamp is used to clamp one side of the sealing ring;
[0007] The movable clamping member is slidably disposed on the support plate and located between the fixed member and the fixed clamping member. The movable clamping member is used to clamp the other side of the sealing ring.
[0008] The movable rod has external threads;
[0009] The fixing component has a first threaded hole that mates with the threaded part of the movable rod;
[0010] The two ends of the load cell are connected to the first end of the movable rod and the movable clamping component respectively via pull ropes;
[0011] The measuring ruler is set on the support plate and located between the fixing component and the fixed clamping component.
[0012] Preferably, the fixing clamp includes: a first clamping plate, a second clamping plate, and a first bolt;
[0013] The first clamping plate is disposed on the support plate, and the upper surface of the first clamping plate is provided with a second threaded hole that is threaded to engage with the first bolt.
[0014] The second clamping plate is located above the first clamping plate, and the second clamping plate has a first through hole for the first bolt to pass through.
[0015] Preferably, the upper end face of the first clamping plate and / or the lower end face of the second clamping plate are provided with anti-slip texture.
[0016] Preferably, the movable clamping component includes: a third clamping plate, a fourth clamping plate, and a second bolt;
[0017] The fourth clamping plate is located above the third clamping plate;
[0018] The fourth clamping plate has a second through hole for the second bolt to pass through;
[0019] The third clamping plate has a third threaded hole for threaded engagement with the second bolt.
[0020] Preferably, the upper end face of the third clamping plate and / or the lower end face of the fourth clamping plate are provided with anti-slip texture.
[0021] Preferably, the pull rope is made of steel wire.
[0022] Preferably, the second end of the movable lever is provided with a knob head.
[0023] Preferably, the knob head has anti-slip textured edges.
[0024] Preferably, a groove is provided between the fixing member and the fixing clamping member;
[0025] The movable clamping component is slidably positioned in the slide groove.
[0026] Based on the sealing ring testing device provided by this utility model, a fixing member and a fixing clamping member are respectively set at both ends of a support plate, and the sealing ring is clamped on one side by the fixing clamping member. A movable clamping member is slidably set on the support plate and located between the fixing member and the fixing clamping member, and clamps the other side of the sealing ring by the movable clamping member. The movable rod is provided with an external thread, and the fixing member is provided with a first threaded hole that mates with the thread of the movable rod. The two ends of the weighing sensor are respectively connected to the first end of the movable rod and the movable clamping member by a pull rope. The measuring ruler is set on the support plate and located between the fixing member and the fixing clamping member. The sealing ring testing device disclosed above can clamp both sides of the sealing ring with a fixed clamp and a movable clamp respectively, and apply a preload force F1. Mark the current position of the movable clamp, then zero the load cell, and then rotate the movable rod away from the fixed clamp. When the value of the load cell reaches the preset value F2, use a measuring ruler to record the deformation of the sealing ring and observe the color change of the sealing ring. Therefore, through the above measurement method, the extensibility, pressure and elasticity of different sealing rings can be effectively tested under a certain tension. Attached Figure Description
[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model 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 embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.
[0028] Figure 1 A schematic diagram of the structure of a sealing ring testing device provided in an embodiment of this utility model;
[0029] Figure 2 This is a top view of the support plate provided in an embodiment of the present utility model.
[0030] Among them, support plate 1, slide groove 11, fixed clamping part 2, first clamping plate 21, second clamping plate 22, first bolt 23, movable clamping part 3, third clamping plate 31, fourth clamping plate 32, second bolt 33, weighing sensor 4, pull rope 5, movable rod 6, measuring ruler 7, fixing part 8, and sealing ring 9. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0032] This utility model embodiment provides a sealing ring testing device, see [link]. Figure 1 and Figure 2 , Figure 1 The diagram shows the structure of a sealing ring testing device, which includes: a support plate 1, a fixed clamping component 2, a movable clamping component 3, a weighing sensor 4, a pull rope 5, a movable rod 6, a measuring ruler 7, and a fixing component 8.
[0033] The fixing member 8 and the fixing clamping member 2 are respectively disposed at both ends of the support plate 1. The fixing clamping member 2 is used to clamp one side of the sealing ring 9.
[0034] The movable clamping member 3 is slidably disposed on the support plate 1 and located between the fixed member 8 and the fixed clamping member 2. The movable clamping member 3 is used to clamp the other side of the sealing ring 9.
[0035] The movable rod 6 is provided with external threads;
[0036] The fixing part 8 has a first threaded hole that is threaded to engage with the movable rod 6;
[0037] The two ends of the weighing sensor 4 are connected to the first end of the movable rod 6 and the movable clamp 3 respectively via the pull rope 5;
[0038] The measuring ruler 7 is set on the support plate 1 and is located between the fixing member 8 and the fixing clamp 2.
[0039] In this embodiment of the utility model, the fixing member 8 and the fixing clamping member 2 are respectively disposed at both ends of the support plate 1, and the sealing ring 9 is clamped on one side by the fixing clamping member 2. The movable clamping member 3 is slidably disposed on the support plate 1 and located between the fixing member 8 and the fixing clamping member 2, and the sealing ring 9 is clamped on the other side by the movable clamping member 3. The movable rod 6 is provided with external threads, and the fixing member 8 is provided with a first threaded hole that is threaded to the movable rod 6. The two ends of the weighing sensor 4 are respectively connected to the first end of the movable rod 6 and the movable clamping member 3 by the pull rope 5. The measuring ruler 7 is disposed on the support plate 1 and located between the fixing member 8 and the fixing clamping member 2. Using the aforementioned sealing ring testing device, the two sides of the sealing ring 9 can be clamped by the fixed clamp 2 and the movable clamp 3 respectively, a preload F1 is applied, and the current position of the movable clamp 3 is marked. Then, the load cell 4 is zeroed, and the movable rod 6 is rotated to move it away from the fixed clamp 2. When the value of the load cell 4 reaches the preset value F2, the deformation of the sealing ring 9 is recorded using the measuring ruler 7, and the color change of the sealing ring 9 is observed. Therefore, through the above measurement method, the extensibility, pressure and elasticity of different sealing rings 9 can be effectively tested under a certain tension.
[0040] Specifically, the fixing clamp 2 includes: a first clamping plate 21, a second clamping plate 22, and a first bolt 23;
[0041] The first clamping plate 21 is disposed on the support plate 1, and the upper surface of the first clamping plate 21 is provided with a second threaded hole that is threadedly engaged with the first bolt 23;
[0042] The second clamping plate 22 is disposed on the upper part of the first clamping plate 21, and the second clamping plate 22 has a first through hole for the first bolt 23 to pass through.
[0043] It should be noted that the first clamping plate 21 is set on the support plate 1, and the upper surface of the first clamping plate 21 is provided with a second threaded hole that is threaded to the first bolt 23. The second clamping plate 22 is set on the upper part of the first clamping plate 21, and the second clamping plate 22 is provided with a first through hole for the first bolt 23 to pass through. Thus, the first bolt 23 is fastened by engaging with the second threaded hole of the first clamping plate 21, so that the first clamping plate 21 and the second clamping plate 22 can cooperate to clamp the sealing ring 9.
[0044] Specifically, the upper end face of the first clamping plate 21 and / or the lower end face of the second clamping plate 22 are provided with anti-slip texture.
[0045] It should be noted that by providing anti-slip textures on the upper end face of the first clamping plate 21 and / or the lower end face of the second clamping plate 22, the sealing ring 9 can be prevented from coming off from the first clamping plate 21 and the second clamping plate 22 during the test.
[0046] Specifically, the movable clamping component 3 includes: a third clamping plate 31, a fourth clamping plate 32, and a second bolt 33;
[0047] The fourth clamping plate 32 is disposed on the upper part of the third clamping plate 31;
[0048] The fourth clamping plate 32 has a second through hole for the second bolt 33 to pass through;
[0049] The third clamping plate 31 has a third threaded hole for threaded engagement with the second bolt 33.
[0050] It should be noted that the fourth clamping plate 32 is set on the upper part of the third clamping plate 31, and the fourth clamping plate 32 has a second through hole for the second bolt 33 to pass through, and the third clamping plate 31 has a third threaded hole for threaded engagement with the second bolt 33. Thus, by the engagement and tightening of the second bolt 33 with the third threaded hole, the third clamping plate 31 and the fourth clamping plate 32 can cooperate to clamp the sealing ring 9.
[0051] Specifically, the upper surface of the third clamping plate 31 and / or the lower surface of the fourth clamping plate 32 are provided with anti-slip texture.
[0052] It should be noted that by providing anti-slip textures on the upper end face of the third clamping plate 31 and / or the lower end face of the fourth clamping plate 32, the sealing ring 9 can be prevented from coming off from the third clamping plate 31 and the fourth clamping plate 32 during the test.
[0053] Specifically, the pull rope 5 is made of steel wire.
[0054] It should be noted that the pull rope 5 can be made of steel wire or other materials that are not easily deformed. Those skilled in the art can choose according to their needs.
[0055] Furthermore, a knob head is provided at the second end of the movable lever 6.
[0056] It should be noted that by setting a knob head at the second end of the movable rod 6, it is possible for staff to easily rotate the movable rod 6 by hand, thereby improving the efficiency of the test.
[0057] Specifically, the knob head has anti-slip textured edges.
[0058] It should be noted that by providing anti-slip texture around the knob head, slippage can be prevented when turning the movable lever 6 by hand.
[0059] Preferably, the movable rod 6 is a screw, and the second end of the movable rod 6 is a hexagonal screw head.
[0060] It should be noted that the second end of the movable rod 6 is set as a hexagonal screw head, so that the operator can turn the movable rod 6 with the help of a wrench. However, the second end of the movable rod 6 can be a hexagonal screw head, or other non-standard screw heads, or internal hexagon screw heads. Those skilled in the art can choose according to their needs.
[0061] Specifically, a groove is provided between the fixing member 8 and the fixing clamping member 2;
[0062] The movable clamping component 3 is slidably positioned in the slide groove.
[0063] It should be noted that by opening a groove between the fixed part 8 and the fixed clamping part 2, and sliding the movable clamping part 3 in the groove, it is convenient for the staff to read the position change of the movable clamping part 3 on the measuring ruler 7, thus ensuring the accuracy of the measurement.
[0064] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A sealing ring testing device, characterized in that, include: Support plate, fixed clamping parts, movable clamping parts, load cell, pull rope, movable rod, measuring ruler and fixing parts; The fixing member and the fixing clamping member are respectively disposed at both ends of the support plate, and the fixing clamping member is used to clamp one side of the sealing ring; The movable clamping member is slidably disposed on the support plate and located between the fixed member and the fixed clamping member. The movable clamping member is used to clamp the other side of the sealing ring. The movable rod is provided with external threads; The fixing component has a first threaded hole that is threaded to fit the movable rod. The two ends of the weighing sensor are respectively connected to the first end of the movable rod and the movable clamping component via pull ropes; The measuring ruler is mounted on the support plate and is located between the fixing member and the fixing clamp.
2. The sealing ring testing device according to claim 1, characterized in that, The fixing clamp includes: a first clamping plate, a second clamping plate, and a first bolt; The first clamping plate is disposed on the support plate, and the upper surface of the first clamping plate is provided with a second threaded hole that is threadedly engaged with the first bolt. The second clamping plate is disposed on the upper part of the first clamping plate, and the second clamping plate has a first through hole for the first bolt to pass through.
3. The sealing ring testing device according to claim 2, characterized in that, The upper end face of the first clamping plate and / or the lower end face of the second clamping plate are provided with anti-slip texture.
4. The sealing ring testing device according to claim 1, characterized in that, The movable clamping component includes: a third clamping plate, a fourth clamping plate, and a second bolt; The fourth clamping plate is disposed on the upper part of the third clamping plate; The fourth clamping plate is provided with a second through hole for the second bolt to pass through; The third clamping plate has a third threaded hole for threaded engagement with the second bolt.
5. The sealing ring testing device according to claim 4, characterized in that, The upper end face of the third clamping plate and / or the lower end face of the fourth clamping plate are provided with anti-slip texture.
6. The sealing ring testing device according to claim 1, characterized in that, The pull rope is made of steel wire.
7. The sealing ring testing device according to claim 1, characterized in that, The second end of the movable rod is equipped with a knob head.
8. The sealing ring testing device according to claim 7, characterized in that, The knob head has anti-slip textured edges.
9. The sealing ring testing device according to claim 1, characterized in that, A sliding groove is provided between the fixing member and the fixing clamping member; The movable clamping member is slidably disposed in the slide groove.