Floating head for leak detection of turbine shell

Abstract

The utility model discloses a turbine housing leak detection floating head comprising a pedestal, the pedestal is provided with an adapter seat, the center of the adapter seat is in sliding fit with a floating rod, the bottom end of the floating rod is connected with a floating head, the adapter seat is internally provided with an adapter groove, the adapter groove is internally provided with a guide block, and the guide block is in sliding fit with the floating rod. A first compression spring is arranged below the guide block, a transfer pressing block is arranged at the bottom of the first compression spring and mounted on the floating rod, a transfer frame is arranged on the transfer seat, a buffer seat is arranged at the top of the transfer frame, a buffer mechanism is arranged in the buffer seat, the bottom of the buffer mechanism is connected with the floating rod, and a pressurizing seat is arranged at the top of the buffer seat; the top of a buffer sleeve of the buffer mechanism is connected with a pressurization mechanism, the pressurization mechanism is arranged in a pressurization seat, and a reading assembly is arranged in the adapter frame, and the device has the advantages that the overall structural strength is high, multi-stage buffer can be performed, the floating stability can be improved, the reading is accurate, and the pressurization can be automatically adjusted for sealing detection.

Description

Technical Field

[0001] This utility model belongs to the field of turbine housing inspection technology, and more specifically, it relates to a floating head for turbine housing leak detection. Background Technology

[0002] Currently, the turbine housing is a key component of equipment such as turbochargers, and its sealing performance is crucial for the normal operation and performance of the equipment. During the production process, rigorous leak testing of the turbine housing is required to ensure product quality.

[0003] Traditional leak detection devices often suffer from inaccurate positioning and inadequate sealing when connected to turbine housings, leading to inaccurate leak test results and affecting product quality assessment. Furthermore, the structure of these devices is not stable enough; during pressurization testing, the high pressure can deform and damage the floating rod, severely impacting the test results. The overall structure cannot automatically pressurize for sealing tests, exhibits poor testing stability, and lacks freely adjustable control. Therefore, it is necessary to design a floating head for turbine housing leak detection that can achieve accurate positioning and a reliable seal. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a floating head for leak detection of turbine housings, thereby solving the problems mentioned in the background section.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a floating head for leak detection of turbine housing, comprising a base, an adapter seat on the base, a sealing cover on the top of the adapter seat, a floating rod slidably mounted in the center of the sealing cover, a floating head connected to the bottom end of the floating rod, an adapter groove inside the adapter seat, a guide block inside the adapter groove, the guide block slidingly engaging with the floating rod, a first compression spring below the guide block, an adapter pressure block at the bottom of the first compression spring, the adapter pressure block mounted on the floating rod, an adapter frame on the adapter seat, a buffer seat on the top of the adapter frame, a buffer mechanism inside the buffer seat, a floating rod connected to the bottom of the buffer mechanism, a pressure seat on the top of the buffer seat, a pressure mechanism connected to the top of the buffer sleeve of the buffer mechanism, the pressure mechanism being located inside the pressure seat, and a reading component inside the adapter frame.

[0006] As an optional solution of this utility model, the floating head is generally shaped like an inverted frustum.

[0007] As an optional solution of this utility model, the buffer mechanism includes a second compression spring, which is assembled in the buffer groove of the buffer seat. The bottom of the second compression spring is limited and supported by a limiting plate, which is set in the buffer sleeve. The bottom of the buffer sleeve is connected to a floating rod, and the buffer sleeve is slidably fitted in the buffer seat.

[0008] As an optional solution of this utility model, the pressurizing mechanism includes a guide seat, which is disposed inside the pressurizing seat. The guide seat has a guide hole, and a detection cylinder is slidably fitted inside the guide hole. A pressure sensor is disposed inside the detection cylinder. The bottom of the detection cylinder is connected to a buffer sleeve of a buffer mechanism. A pressure head is disposed above the detection cylinder, and an electric cylinder is connected to the top of the pressure head. The electric cylinder is mounted on the top of the pressurizing seat.

[0009] As an optional solution of this utility model, a control panel is provided on one side of the adapter frame, and the control panel is electrically connected to the electric cylinder.

[0010] As an optional solution of this utility model, the reading component includes a scale plate, which is disposed on the inner side wall of the adapter frame. The scale plate is marked with height scale values. A test plate is disposed on one side of the scale plate. The test plate is provided with a slot that fits with the scale plate with a clearance. The scale plate is read through the test plate. The test plate is mounted on the adapter block, and the adapter block is assembled on the floating rod.

[0011] This utility model provides a floating head for leak detection of turbine housings, which has the following beneficial effects:

[0012] By setting a floating rod, the floating head moves up and down. Multi-stage buffering is achieved through the first and second compression springs to improve the overall structural strength. The pressure sensor inside the detection cylinder presses the pressure head. After the pressure sensor detects the pressure, the electric cylinder drives the pressure head to apply pressure in the opposite direction. The cylinder is pressurized and sealed. The actual sealing performance of the cylinder is determined by the change in the value on the scale of the test disc. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a front view of the present invention;

[0015] Figure 3 This is a cross-sectional view (AA) of the present invention;

[0016] Figure 4 This is a BB cross-sectional view of the present invention;

[0017] Figure 5 This utility model Figure 4A magnified view of a portion of area A.

[0018] In the diagram: 1. Base; 101. Adapter seat; 102. First compression spring; 2. Adapter frame; 201. Sealing cover; 202. Guide block; 3. Control panel; 4. Buffer seat; 5. Pressurizing seat; 501. Guide seat; 502. Detection cylinder; 503. Pressure sensor; 6. Electric cylinder; 601. Pressure head; 7. Floating rod; 701. Adapter pressure block; 8. Adapter block; 801. Test plate; 9. Scale plate; 10. Floating head; 11. Buffer sleeve; 111. Limiting plate; 12. Second compression spring. Detailed Implementation

[0019] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0020] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Please see Figures 1 to 5This utility model provides a technical solution: a floating head 10 for leak detection of turbine housing, including a base 1, an adapter seat 101 on the base 1, a sealing cover 201 on the top of the adapter seat 101, a floating rod 7 slidingly mounted in the center of the sealing cover 201, and a floating head 10 connected to the bottom end of the floating rod 7. The floating head 10 is generally shaped like an inverted frustum, with a large contact surface to provide greater pressure. An adapter groove is provided inside the adapter seat 101, and a guide block 202 is provided inside the adapter groove. The guide block 202 and the floating head 10 are connected to each other. The moving rod 7 is slidably engaged. A first compression spring 102 is provided below the guide block 202. A transition pressure block 701 is provided at the bottom of the first compression spring 102. The transition pressure block 701 is installed on the floating rod 7. The floating rod 7 moves up and down, which will drive the transition pressure block 701 to rise and fall. The first compression spring 102 provides a first-level buffer. A transition frame 2 is provided on the transition seat 101. A buffer seat 4 is provided on the top of the transition frame 2. A buffer mechanism is provided inside the buffer seat 4. The bottom of the buffer mechanism is connected to the floating rod 7.

[0023] The buffer mechanism includes a second compression spring 12, which is assembled in the buffer groove of the buffer seat 4. The bottom of the second compression spring 12 is limited and supported by a limiting plate 111, which is set inside the buffer sleeve 11. The bottom of the buffer sleeve 11 is connected to a floating rod 7, and the buffer sleeve 11 is slidably fitted inside the buffer seat 4. A pressure seat 5 is set on the top of the buffer seat 4. A pressure mechanism is connected to the top of the buffer sleeve 11 of the buffer mechanism, which is set inside the pressure seat 5. The pressure mechanism is used to pressurize and detect the buffer sleeve 11 below.

[0024] The pressurizing mechanism includes a guide seat 501, which is disposed inside the pressurizing base 5. A guide hole is provided inside the guide seat 501, and a detection cylinder 502 is slidably fitted inside the guide hole. A pressure sensor 503 is disposed inside the detection cylinder 502. The bottom of the detection cylinder 502 is connected to the buffer sleeve 11 of the buffer mechanism. A pressure head 601 is disposed above the detection cylinder 502, and an electric cylinder 6 is connected to the top of the pressure head 601. The electric cylinder 6 is installed on the top of the pressurizing base 5. When the detection cylinder 502 rises, it drives the pressure sensor 503 to contact the pressure head 601, thereby activating the electric cylinder 6 to apply pressure and achieve reverse pressurization.

[0025] A control panel 3 is installed on one side of the adapter frame 2. The control panel 3 is electrically connected to the electric cylinder 6 and controls the actual pushing process of the electric cylinder 6 to avoid excessive pressure. A reading component is installed inside the adapter frame 2. The reading component includes a scale plate 9, which is installed on the inner side wall of the adapter frame 2. The scale plate 9 is marked with height scale values. A test plate 801 is installed on one side of the scale plate 9. The test plate 801 has a slot that fits with the scale plate 9 with a clearance. The scale plate 9 is accurately read through the test plate 801. The test plate 801 is installed on the adapter block 8. The adapter block 8 is assembled on the floating rod 7, thereby driving the test plate 801 to float up and down.

[0026] The specific usage and function of this embodiment are as follows: First, the base 1 is installed and sealed on the test cylinder. By filling the test cylinder with test liquid or test gas, the floating rod 7 will move the floating head 10 up and down according to the actual internal pressure. When the internal pressure increases, the floating rod 7 will continue to rise. Through the first compression spring 102 and the second compression spring 12, multi-stage buffering is performed to improve the overall structural strength. At the same time, the buffer sleeve 11 at the top of the floating rod 7 will drive the detection cylinder 502 to rise, so that the pressure sensor 503 in the detection cylinder 502 presses the pressure head 601. After the pressure sensor 503 detects the pressure, it starts the electric cylinder 6 to drive the pressure head 601 to apply reverse pressure. The cylinder is pressurized and sealed for testing. If the test disc 801 is maintained within the set value range, the sealing performance of the surface test cylinder is stable. If the test disc 801 continues or slowly descends, causing the value to drop linearly, it indicates that there is a problem with the sealing performance of the cylinder, which is unqualified.

[0027] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A floating head for leak detection of turbine housing, characterized in that: Includes a base (1), on which a transition seat (101) is provided, and a sealing cover (201) is provided on the top of the transition seat (101). A floating rod (7) is slidably mounted in the center of the sealing cover (201), and a floating head (10) is connected to the bottom end of the floating rod (7). A transition groove is provided inside the transition seat (101), and a guide block (202) is provided inside the transition groove. The guide block (202) is slidably engaged with the floating rod (7). A first compression spring (102) is provided below the guide block (202). The bottom is provided with a transition pressure block (701), the transition pressure block (701) is installed on the floating rod (7), the transition seat (101) is provided with a transition frame (2), the top of the transition frame (2) is provided with a buffer seat (4), the buffer seat (4) is provided with a buffer mechanism, the bottom of the buffer mechanism is connected to the floating rod (7), the top of the buffer seat (4) is provided with a pressure seat (5), the top of the buffer sleeve (11) of the buffer mechanism is connected to a pressure mechanism, the pressure mechanism is provided in the pressure seat (5), and the transition frame (2) is provided with a reading component.

2. A floating head for leak detection of turbine housing according to claim 1, characterized in that: The floating head (10) is shaped like an inverted frustum.

3. A floating head for leak detection of turbine housing according to claim 1, characterized in that: The buffer mechanism includes a second compression spring (12), which is assembled in the buffer groove of the buffer seat (4). The bottom of the second compression spring (12) is limited and supported by a limiting plate (111). The limiting plate (111) is set in the buffer sleeve (11). The bottom of the buffer sleeve (11) is connected to a floating rod (7). The buffer sleeve (11) is slidably fitted in the buffer seat (4).

4. A floating head for leak detection of turbine housing according to claim 1, characterized in that: The pressurizing mechanism includes a guide seat (501), which is disposed inside the pressurizing seat (5). A guide hole is provided inside the guide seat (501), and a detection cylinder (502) is slidably fitted inside the guide hole. A pressure sensor (503) is provided inside the detection cylinder (502). The bottom of the detection cylinder (502) is connected to the buffer sleeve (11) of the buffer mechanism. A pressure head (601) is provided above the detection cylinder (502), and an electric cylinder (6) is connected to the top of the pressure head (601). The electric cylinder (6) is installed on the top of the pressurizing seat (5).

5. A floating head for leak detection of turbine housing according to claim 4, characterized in that: A control panel (3) is provided on one side of the adapter (2), and the control panel (3) is electrically connected to the electric cylinder (6).

6. A floating head for leak detection of turbine housing according to claim 1, characterized in that: The reading assembly includes a scale plate (9), which is disposed on the inner side wall of the adapter frame (2). The scale plate (9) is marked with height scale values. A test plate (801) is disposed on one side of the scale plate (9). The test plate (801) is provided with a slot that fits the scale plate (9) with a clearance. The scale plate (9) is read through the test plate (801). The test plate (801) is mounted on the adapter block (8), which is mounted on the floating rod (7).

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