High-precision mechanical seal detection device
Through the combined design of the limit block, adjustment block and adjustment wheel, the mechanical seal can be moved intermittently at equal angles, which solves the problems of inaccurate alignment of the detection head and inconvenient replacement of fixed tooling, and improves the detection efficiency and effect.
Patent Information
- Application Number
- CN202422414729.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-10-08
AI Technical Summary
The detection head of the existing high-precision mechanical seal detection device is difficult to align quickly and is easily offset, resulting in low detection efficiency. It is also inconvenient to replace the fixed tooling, which affects the detection effect.
A combination of limit blocks, adjustment blocks and adjustment wheels is used to achieve intermittent movement of the mechanical seal at equal angles. The connection design of the support rod, mounting tube and mounting rod facilitates the replacement of fixed tooling, and the replacement of the plugging head is achieved through the connection between the push rod and the plugging head.
The accuracy of aligning the detection head with the mechanical seal is improved, deviation is avoided, and detection efficiency is improved. It is applicable to mechanical seals of different thicknesses and ensures detection effect.
Smart Images

Figure CN223332526U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical seals, in particular to a high-precision mechanical seal detection device. Background Art
[0002] Mechanical seals are devices that achieve sealing through elastic or magnetic forces. They are commonly used in equipment such as centrifuges, reactors, and compressors. The shape of the seal affects the operation of the equipment, so mechanical seals require testing devices to detect their sealing performance. There are various high-precision mechanical seal testing devices on the market.
[0003] For example, the utility model with authorization announcement number CN220366969U belongs to the field of mechanical seal technology, and is particularly a mechanical seal detection device, comprising a workbench, a rotating column rotatably connected to a rotating seat on the upper surface of the workbench, and a fixed tool fixedly connected to the upper end of the rotating column. The fixed tool comprises a circular positioning plate fixedly connected to the upper end of the rotating column, a plurality of positioning cavities for installing mechanical seals are provided on the circular positioning plate, sealing tubes are connected to the eaves of the corresponding positioning cavities on the lower surface of the circular positioning plate, and a pressure gauge is installed on the sealing tube, the upper surface of the workbench is fixedly connected to a support frame, and a cylinder is installed on the top of the support frame. The utility model provides a rotatable fixed tool, and multiple mechanical seals can be loaded on the fixed tool, so that the sealing performance of multiple mechanical seals can be tested at one time, which is efficient, shortens the detection time, and solves the problem of low efficiency of the current device.
[0004] However, the above technical solution still has some shortcomings, such as the detection head is not convenient to quickly align with the mechanical seal, it is easy to deviate, the detection efficiency is low, it is inconvenient to replace the fixed tooling, and there are gaps when detecting mechanical seals of different thicknesses, which affects the detection effect. Therefore, we propose a high-precision mechanical seal detection device to solve the above problems. Utility Model Content
[0005] The purpose of the present utility model is to provide a high-precision mechanical seal detection device to solve the problems raised in the above background technology that the detection head of the current high-precision mechanical seal detection device is not convenient to quickly align with the mechanical seal, is easily offset, has low detection efficiency, is inconvenient to replace the fixed tooling, and is prone to gaps when detecting mechanical seals of different thicknesses, thereby affecting the detection effect.
[0006] To achieve the above objectives, the present invention provides the following technical solutions: a high-precision mechanical seal detection device, comprising:
[0007] A testing platform, wherein a fixing frame is fixed to the upper rear side of the testing platform;
[0008] Also includes:
[0009] A drive motor is installed below the test bench, and an intermittent rotation mechanism is provided at the output end of the drive motor, wherein the intermittent rotation mechanism includes a support plate, a limit block, an adjustment block and an adjustment wheel, wherein the limit block and the adjustment block are both connected to the adjustment wheel slot;
[0010] A fixed tooling is provided below which a disassembly and assembly mechanism is provided, wherein the disassembly and assembly mechanism comprises a support rod, a mounting cylinder, a mounting rod and a positioning cap, and the support rod and the mounting cylinder are both connected to the mounting rod slot.
[0011] Preferably, a support plate is provided at the output end of the driving motor, and a limiting block is fixed on the upper middle part of the support plate, and an adjustment block is integrated on the upper outer side of the support plate, wherein the longitudinal section of the adjustment block is a "T"-shaped structure.
[0012] Preferably, an adjusting wheel is rotatably connected to the left upper side of the testing platform, and the cross section of the adjusting wheel is a concave-convex structure, and a support rod is integrally provided above the adjusting wheel.
[0013] Preferably, a mounting tube is tightly fitted on the outer side of the upper end of the support rod, and a fixing tool is integrally provided above the mounting tube.
[0014] Preferably, a mounting rod passes through the interior of the support rod, and a positioning cap is threadedly connected to the left end of the mounting rod, and the right side of the positioning cap fits tightly with the left side of the mounting tube.
[0015] Preferably, a cylinder is installed on the upper front side of the fixing frame, and a push rod is installed at the lower end of the cylinder, and a sealing head is threadedly connected to the lower end of the push rod.
[0016] Preferably, an air pressure pump is provided on the rear side of the air cylinder, and an air supply pipe is installed at the output end of the air pressure pump, and the lower end of the air supply pipe is snap-connected with the sealing head.
[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: the high-precision mechanical seal detection device can make the mechanical seal intermittently move at equal angles, ensuring that the detection head is quickly aligned with the mechanical seal, avoiding deviation, improving detection efficiency, facilitating replacement of fixed tooling, and being applicable to mechanical seals of different thicknesses. The plugging head can also be replaced to adapt to different fixed tooling, thereby ensuring detection results;
[0018] 1. Set a limit block, an adjustment block and an adjustment wheel. The limit block and the adjustment block are connected to the adjustment wheel slot in sequence. Push the adjustment wheel to rotate intermittently, which can make the mechanical seal move intermittently at the same angle, ensuring that the detection head is quickly aligned with the mechanical seal, avoiding deviation and improving detection efficiency.
[0019] 2. It is equipped with a support rod, a mounting tube and a mounting rod. The support rod and the mounting tube are connected to the mounting rod slot. The outer end of the mounting rod is threaded with a positioning cap, which is convenient for replacing the fixed tooling and can be applied to mechanical seals of different thicknesses.
[0020] 3. A push rod, a plugging head and an air pipe are provided. The push rod and the plugging head are threadedly connected, and the plugging head and the air pipe are snap-connected. The plugging head can be rotated by unplugging the air pipe. The plugging head can be replaced to suit different fixed tooling to ensure the detection effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0022] Figure 2 This is a schematic diagram of the overall structure of the intermittent rotation mechanism of the utility model;
[0023] Figure 3 This is a schematic diagram of the overall structure of the disassembly and assembly mechanism of the utility model;
[0024] Figure 4 It is a schematic diagram of the overall structure of the utility model and the connection.
[0025] In the figure: 1. Testing table; 2. Driving motor; 3. Support plate; 4. Limit block; 5. Adjustment block; 6. Adjustment wheel; 7. Support rod; 8. Mounting cylinder; 9. Fixing tool; 10. Mounting rod; 11. Positioning cap; 12. Fixing bracket; 13. Cylinder; 14. Push rod; 15. Sealing head; 16. Air pump; 17. Air pipe. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0027] See also Figure 1-4 The utility model provides a technical solution: a high-precision mechanical seal detection device, including a detection platform 1, a drive motor 2, a support plate 3, a limit block 4, an adjustment block 5, an adjustment wheel 6, a support rod 7, a mounting tube 8, a fixing tool 9, a mounting rod 10, a positioning cap 11, a fixing frame 12, a cylinder 13, a push rod 14, a sealing head 15, an air pressure pump 16 and an air supply pipe 17; Specific embodiments
[0028] The existing high-precision mechanical seal detection device is not convenient for quickly aligning the plugging head 15 with the fixed tool 9. In order to solve this technical problem, the present embodiment is as shown in the attached figure. Figure 1 and attached Figure 2 As shown in , the driving motor 2 is turned on, and the driving motor 2 drives the support plate 3 installed at its output end to rotate. A limit block 4 and an adjusting block 5 are fixed above the support plate 3. When the support plate 3 rotates, the limit block 4 and the adjusting block 5 are connected to the adjusting wheel 6 slots one by one. When the adjusting block 5 and the adjusting wheel 6 slots are connected, the adjusting block 5 with a "T"-shaped structure in the longitudinal section is inserted into the adjusting wheel 6 and pushes the adjusting wheel 6 to rotate. When the adjusting block 5 is rotated to disengage from the slot connection with the adjusting wheel 6, the limit block 4 and the adjusting wheel 6 slot are connected, which limits the adjusting wheel 6 and prevents the adjusting wheel 6 from rotating. The adjusting wheel 6 rotates intermittently and drives the support rod 7 fixed above it to rotate. The support rod 7 drives the fixed tooling 9 installed on its upper end to rotate, thereby adjusting the angle of the fixed tooling 9. Specific embodiments
[0029] The existing high-precision mechanical seal detection device is not convenient for replacing the fixed tooling 9. In order to solve this technical problem, the present embodiment is as shown in the attached figure. Figure 1 and attached Figure 3 As shown in the figure, rotate the positioning cap 11 threadedly connected to the mounting rod 10, then pull out the mounting rod 10 from the support rod 7 and the mounting cylinder 8, so that the mounting rod 10 is disconnected from the card slot connection with the support rod 7 and the mounting cylinder 8, then remove the fixing tool 9, so that the mounting cylinder 8 fixed below the fixing tool 9 is disconnected from the card slot connection with the support rod 7, as shown in the figure. Figure 1 and attached Figure 4 As shown in , the lower end of the gas pipe 17 is removed from the plugging head 15, and the plugging head 15 is rotated at the lower end of the push rod 14 to disengage it from the push rod 14, and then a new plugging head 15 is threadedly connected to the push rod 14, and then the lower end of the gas pipe 17 is snap-connected to the plugging head 15;
[0030] Install the mechanical seal to be tested in the fixed tooling 9, turn on the cylinder 13 and the air pressure pump 16, the cylinder 13 pushes the plugging head 15 down to make the plugging head 15 fit with the fixed tooling 9, and supply air to the plugging head 15 through the air pressure pump 16 to perform sealing testing.
[0031] This is the entire working process of the high-precision mechanical seal detection device. Contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.
[0032] The standard parts used in this utility model can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.
[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A high-precision mechanical seal detection device, comprising: A testing platform (1), wherein a fixing frame (12) is fixed to the upper rear side of the testing platform (1); It is characterized by further comprising: A driving motor (2), the driving motor (2) being installed below the detection platform (1), and an intermittent rotation mechanism being provided at the output end of the driving motor (2), wherein the intermittent rotation mechanism comprises a support plate (3), a limit block (4), an adjustment block (5) and an adjustment wheel (6), and the limit block (4) and the adjustment block (5) are both connected to a slot of the adjustment wheel (6); A fixed tool (9) is provided with a disassembly mechanism below the fixed tool (9), wherein the disassembly mechanism comprises a support rod (7), a mounting cylinder (8), a mounting rod (10) and a positioning cap (11), and the support rod (7) and the mounting cylinder (8) are both connected to the mounting rod (10) slot.
2. A high-precision mechanical seal detection device according to claim 1, characterized in that: The output end of the drive motor (2) is provided with a support plate (3), a limit block (4) is fixed in the middle of the upper portion of the support plate (3), and an adjustment block (5) is integrally provided on the outer side of the upper portion of the support plate (3), wherein the longitudinal section of the adjustment block (5) is in a "T"-shaped structure.
3. The high-precision mechanical seal detection device according to claim 1, characterized in that: An adjusting wheel (6) is rotatably connected to the left side of the upper portion of the detection platform (1), and the cross section of the adjusting wheel (6) is a concave-convex structure. A support rod (7) is integrally provided above the adjusting wheel (6).
4. A high-precision mechanical seal detection device according to claim 3, characterized in that: The outer side of the upper end of the support rod (7) is tightly fitted with a mounting cylinder (8), and a fixing tool (9) is integrally provided above the mounting cylinder (8).
5. The high-precision mechanical seal detection device according to claim 3, characterized in that: The support rod (7) is penetrated by a mounting rod (10), and the left end of the mounting rod (10) is threadedly connected to a positioning cap (11), and the right side of the positioning cap (11) is tightly fitted with the left side of the mounting cylinder (8).
6. The high-precision mechanical seal detection device according to claim 1, characterized in that: A cylinder (13) is installed on the upper front side of the fixing frame (12), and a push rod (14) is installed at the lower end of the cylinder (13). The lower end of the push rod (14) is threadedly connected to a plugging head (15).
7. A high-precision mechanical seal detection device according to claim 6, characterized in that: An air pressure pump (16) is provided on the rear side of the air cylinder (13), and an air delivery pipe (17) is installed at the output end of the air pressure pump (16). The lower end of the air delivery pipe (17) is engaged and connected with the sealing head (15).
Citation Information
Patent Citations
Mechanical seal detection device
CN220366969U