Turbine shell air tightness detection device
By designing a turbine housing airtightness testing device, the turbine housing is fixed and sealed by using the threaded connection of the limiting component and the annular sleeve. Combined with the detection of the air pump and pressure gauge, the problems of complex operation and insufficient accuracy in traditional testing methods are solved, and efficient and accurate airtightness testing is achieved.
Patent Information
- Application Number
- CN202520253605.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-18
AI Technical Summary
Traditional methods for testing the airtightness of turbine housings are complex to operate and easily affected by interference, resulting in insufficient accuracy.
A turbine housing air tightness testing device was designed, including a fixing plate, a connector, a limiting component, a slide groove, a slider, a support plate, a testing pipe, and an air extraction system. The turbine housing is fixed by the limiting component, and a seal is achieved by the threaded connection between the annular sleeve and the connector. The air tightness is tested by combining an air extraction pump and a pressure gauge.
This improves the accuracy and stability of turbine housing airtightness testing, avoids deviation and leakage problems during the testing process, and ensures the reliability of the test results.
Smart Images
Figure CN223664210U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to turbine shell detection field, in particular to a turbine shell air tightness detection device. BACKGROUND
[0002] Turbine shell as the key part of turbocharger, its air tightness is directly related to the performance and life of turbocharger, and the traditional air tightness detection method is complicated, is easy to be interfered with, especially easy to cause turbine shell and detection equipment connection place to leak, influence detection accuracy, therefore, it is important to develop a kind of efficient, accurate, stable turbine shell air tightness detection device. UTILITY MODEL CONTENT
[0003] In view of the above situation, to overcome the defects of prior art, the utility model aims at providing a turbine shell air tightness detection device, which has the advantages of solving the problems in the background art.
[0004] The above technical objective of the utility model is realized by the following technical scheme:
[0005] A turbine shell air tightness detection device, including base, the base top is vertically connected with fixed plate, the fixed plate one side is penetrated and is equipped with mounting hole, the mounting hole one side is equipped with the connector that seals and inserts turbine shell end, the fixed plate top is equipped with the limiting hole, the limiting hole is communicated with mounting hole, the limiting hole is equipped with the limiting assembly in, the fixed plate one side is located on the surface of base and is equipped with the sliding slot, the sliding slot is equipped with the sliding block of sliding cooperation, the sliding block top is vertically connected with support plate, the support plate is close to the fixed connection of connector one side and is equipped with mounting bracket, the detection assembly is equipped on the side of mounting bracket towards connector, the detection assembly includes the detection pipeline of fixed connection in the one side of support, the detection pipeline extends towards connector, the detection pipeline is equipped with fixed seat close to connector one side, the fixed seat is fixedly connected on the outer side of detection pipeline, the fixed seat is equipped with annular groove towards connector one side, the annular groove is rotatably connected with annular sleeve, the outer side of annular sleeve is equipped with screw groove, the outer side of annular sleeve is screw-connected in the inner side of connector, the outer side of detection pipeline is also communicated with connecting pipeline, suction pipeline, the pressure gauge is installed on the connecting pipeline, and the suction pump is installed on the suction pipeline.
[0006] Through the above technical scheme, when the operator inserts the turbine shell end into the mounting hole of the fixed plate and embeds the connecting head seal into the end of the turbine shell, the operator completes the pressing and fixing operation of the turbine shell end through the cooperation of the limiting assembly, avoids deviation, then the operator pushes the slider in the sliding groove and drives other components on the slider to horizontally approach the connecting head until the detection pipeline and the annular sleeve at the end of the detection pipeline are inserted into the connecting head, at this time the operator twists the annular sleeve, realizes the sealed connection of the connecting head and the detection pipeline through the threaded connection between the outer side of the annular sleeve and the inner side of the connecting head, finally the operator starts the air suction pump, and through the cooperation of the air suction pipeline and the detection pipeline, the inside of the turbine shell is vacuumized, and the pressure gauge on the connecting pipeline effectively shows the negative pressure condition of the detection pipeline, after waiting for a period of time, if the reading of the pressure gauge does not change obviously, it indicates that the air tightness is good.
[0007] Further setting: the limiting assembly comprises a limiting screw threadedly connected in the limiting hole, and the bottom of the limiting screw is rotationally connected with a limiting seat.
[0008] Through the above technical scheme, when the operator inserts the turbine shell end into the mounting hole and seals the connecting head, the operator twists the limiting screw at this time, drives the limiting seat to move downward until the turbine shell end is in contact and pressed and fixed, so as to avoid deviation and affect the detection operation.
[0009] Further setting: the outer side of the annular sleeve is provided with a sealing ring.
[0010] Through the above technical scheme, the sealing ring on the outer side of the annular sleeve is extruded during the threaded connection of the annular sleeve and the connecting head, so as to improve the sealing performance and improve the detection accuracy.
[0011] Further setting: the connecting head is through at both ends.
[0012] Through the above technical scheme, the connecting head is provided, the detection pipeline and the turbine shell are connected, and the detection accuracy is improved.
[0013] Further setting: symmetric fixed holes are provided on both sides of the base, and a fixed bolt is threadedly connected in each fixed hole.
[0014] Through the above technical scheme, the fixed holes and the fixed bolts are cooperated to facilitate the operator to install and fix the whole equipment.
[0015] In summary, the utility model has the following beneficial effects:
[0016] The utility model discloses a utility model operation, the operator inserts the mounting hole of fixed plate into the end part of turbine shell body, and the connecting head seal inserts the end part of turbine shell body, the operator completes the compression fixing operation of turbine shell body end part through the cooperation of limiting component at this moment, avoids the deviation, then the operator pushes the slider in the sliding slot, and drives other components on the slider to be close to the connecting head horizontally, until the detection pipeline and the annular sleeve of detection pipeline end part are inserted into the connecting head, the operator turns the annular sleeve at this time, realizes the sealed connection of connecting head and detection pipeline through the thread connection of annular sleeve outside and connecting head inside, finally the operator opens the air pump, and through the cooperation of the air extraction pipeline and detection pipeline, the turbine shell body interior carries out the vacuumizing, and the pressure gauge on the connecting pipeline effectively shows the negative pressure condition of detection pipeline, after waiting for a period of time, if the reading of pressure gauge does not have obvious change, then it indicates that the air tightness is good. BRIEF DESCRIPTION OF DRAWINGS
[0017] The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the principle of the utility model, and the utility model is specifically illustrated as follows:
[0018] Figure 1 It is the front view structural schematic diagram of the utility model;
[0019] Figure 2 It is the rear view of the utility model.
[0020] In the drawing, 1, base; 2, fixed plate; 3, mounting hole; 4, connecting head; 5, limiting hole; 6, limiting component; 7, sliding slot; 8, slider; 9, support plate; 10, mounting frame; 11, detection component; 12, detection pipeline; 13, fixed seat; 14, annular groove; 15, annular sleeve; 16, thread groove; 17, connecting pipeline; 18, air extraction pipeline; 19, pressure gauge; 20, air pump; 21, limiting screw; 22, limiting seat; 23, sealing ring; 24, fixed hole; 25, fixed bolt. DETAILED DESCRIPTION
[0021] The foregoing and other technical contents, features and effects of the utility model will be described below in conjunction with the accompanying drawings. Figure 1 to the accompanying drawings Figure 2 The detailed description of the embodiments will be clearly presented. The structural contents mentioned in the following embodiments are all referred to the drawings.
[0022] The various exemplary embodiments of the utility model will be described below with reference to the accompanying drawings.
[0023] Embodiment 1: a turbine shell body air tightness detection device, as shown in Figure 1 , 2As shown, it includes a base 1, a fixing plate 2 vertically fixed to the top of the base 1, a mounting hole 3 through-hole on one side of the fixing plate 2, a connector 4 sealing the end of the turbine housing on one side of the mounting hole 3, the connector 4 being through at both ends, a limiting hole 5 on the top of the fixing plate 2, the limiting hole 5 communicating with the mounting hole 3, a limiting component 6 being provided in the limiting hole 5, the limiting component 6 including a limiting screw 21 threadedly connected to the limiting hole 5, and a limiting seat 22 rotatably connected to the bottom of the limiting screw 21;
[0024] A groove 7 is provided on one side of the fixed plate 2 on the upper surface of the base 1. A slider 8 is slidably fitted in the groove 7. A support plate 9 is vertically fixed to the top of the slider 8. A mounting bracket 10 is fixedly connected to the support plate 9 near the connector 4. A detection component 11 is provided on the mounting bracket 10 facing the connector 4. The detection component 11 includes a detection pipe 12 fixedly connected to one side of the bracket. The detection pipe 12 extends horizontally toward the connector 4. A fixed seat 13 is provided on the side of the detection pipe 12 near the connector 4. The fixed seat 13 is fixedly sleeved on the outside of the detection pipe 12. An annular groove 14 is provided on the side of the fixed seat 13 facing the connector 4. An annular sleeve 15 is rotatably connected in the annular groove 14. A threaded groove 16 is provided on the outside of the annular sleeve 15. The outside of the annular sleeve 15 is threadedly connected to the inside of the connector 4. A connecting pipe 17 and an air extraction pipe 18 are also connected to the outside of the detection pipe 12. A pressure gauge 19 is installed on the connecting pipe 17 and an air extraction pump 20 is installed on the air extraction pipe 18.
[0025] like Figure 2 As shown, a sealing ring 23 is fitted on the outer side of the annular sleeve 15.
[0026] like Figure 1 As shown, symmetrical fixing holes 24 are provided on both sides of the base 1, and fixing bolts 25 are threaded into the fixing holes 24.
[0027] In this embodiment of the invention, during operation, the operator inserts the end of the turbine housing into the mounting hole 3 of the fixing plate 2 and seals the connector 4 into the end of the turbine housing. At this time, the operator turns the limiting screw 21, causing the limiting seat 22 to move downward, thereby pressing and fixing the end of the turbine housing. Then, the operator pushes the slider 8 in the slide groove 7, and causes the other components on the slider 8 to move horizontally closer to the connector 4 until the detection pipe 12 and the annular sleeve 15 at the end of the detection pipe 12 are inserted into the connector 4. At this time, the operator turns the annular sleeve 15, and through the threaded connection between the outer side of the annular sleeve 15 and the inner side of the connector 4, a sealed connection between the connector 4 and the detection pipe 12 is achieved. Finally, the operator turns on the vacuum pump 20, and through the cooperation of the vacuum pipe 18 and the detection pipe 12, a vacuum is drawn inside the turbine housing. The pressure gauge 19 on the connecting pipe 17 effectively reflects the negative pressure of the detection pipe 12. After waiting for a period of time, if the reading of the pressure gauge 19 does not change significantly, it indicates that the airtightness is good.
[0028] The above description is a further detailed explanation of the present utility model in conjunction with specific embodiments, and it should not be considered that the specific implementation of the present utility model is limited to this. For those skilled in the art to which the present utility model pertains and related fields, any extensions, operation methods, and data substitutions made based on the technical solution concept of the present utility model should fall within the protection scope of the present utility model.
Claims
1. A turbine casing air tightness detection device, comprising a base (1), characterized in that: The base (1) top vertical fixed connection has the fixed plate (2), the fixed plate (2) one side is equipped with the installation hole (3) that penetrates, the installation hole (3) one side is equipped with the connector (4) that its embedded turbine housing end is sealed, the fixed plate (2) top is equipped with the limiting hole (5), the limiting hole (5) with installation hole (3) intercommunication, the limiting hole (5) in be equipped with the limiting assembly (6), the fixed plate (2) one side is located on the base (1) upper surface and is equipped with the sliding slot (7), the sliding slot (7) in sliding fit has the sliding block (8), the sliding block (8) top vertical fixed connection has the support plate (9), the support plate (9) is close to the fixed connection of the mounting bracket (10) of the connector (4) one side, the mounting bracket (10) one side towards the connector (4) is equipped with detection assembly (11), the detection assembly (11) includes the detection pipeline (12) that is fixedly connected to the one side of support, the detection pipeline (12) extends towards the connector (4) at horizontal, the detection pipeline (12) close to the fixed seat (13) of the connector (4) one side, the fixed seat (13) is fixedly covered in the outer side of detection pipeline (12), the fixed seat (13) one side towards the connector (4) is equipped with annular groove (14), the annular groove (14) in rotationally connected with annular sleeve (15), the outer side of annular sleeve (15) is equipped with the thread groove (16), the outer side of annular sleeve (15) is connected in the inner side of connector (4) with screw, the outer side of detection pipeline (12) still intercommunication has the connecting pipeline (17), the air suction pipeline (18), the connecting pipeline (17) is installed with pressure gauge (19), the air suction pipeline (18) is installed with air suction pump (20).
2. The apparatus for detecting the air tightness of a turbine casing according to claim 1, wherein: The limiting assembly (6) includes the limiting screw (21) that is screwed in the limiting hole (5), the limiting screw (21) bottom rotationally connected with the limiting seat (22).
3. The apparatus for detecting the air tightness of a turbine casing according to claim 1, wherein: The outer side of the annular sleeve (15) is covered with a sealing ring (23).
4. The apparatus for detecting the air tightness of a turbine casing according to claim 1, wherein: The connector (4) both ends are through.
5. The apparatus for detecting the air tightness of a turbine casing according to claim 1, wherein: The base (1) both sides are equipped with the symmetric fixed hole (24) that penetrates, the fixed hole (24) in all are screwed with fixed bolt (25).