CN221898701U - A turbine casing air tightness inspection tool - Google Patents

Abstract

The utility model provides a turbine casing air tightness inspection tool, including a frame and a settling plate that can be lifted and installed in the frame. A reinforcement plate is provided at the upper end of the frame. The settling plate is slidably installed on the guide rod through a sliding sleeve on all sides. The lower end of the guide rod is fixed to the bottom of the frame. The upper end of the guide rod is fixedly installed at the corresponding position of the reinforcement plate. A settling cylinder is installed at the upper end of the reinforcement plate. The outer end of the output rod of the settling cylinder is fixedly connected to the settling plate to control the lifting and lowering adjustment of the settling plate. The detection component can be detachably installed on the settling plate, so that after the corresponding detection component is designed according to different product models, it can be directly replaced and installed on the settling plate, thereby improving the utilization efficiency of the equipment and saving costs. The detection component first detects the air tightness of the turbine casing. When the detection fails, the turbine casing is settled in the water to observe the leakage point, avoid misjudgment caused by incomplete sealing, and improve the accuracy of the detection.

Description

A turbine casing air tightness inspection tool

Technical Field

The utility model relates to the technical field of turbine shell detection, in particular to a turbine shell air tightness detection tool.

Background Art

The turbine casing works in a sealed working environment. After the turbine casing is processed, it needs to be tested for air tightness. Generally, this is done by sealing the end holes of the turbine casing and then injecting gas into the turbine casing. After stopping the gas injection, the internal air pressure is tested to see if it is stable, in order to determine whether the turbine casing is leaking.

However, the existing inspection tooling is troublesome to load and unload, and may also lead to misjudgment due to incomplete sealing. Since the leak location cannot be determined, it is not known whether there is a leak in the turbine housing or the leak is caused by incomplete sealing of the turbine housing.

Utility Model Content

The technical problem solved by the utility model is to provide a turbine housing air tightness inspection tool which can quickly find out the air leakage point, so as to solve the problem raised in the above-mentioned background technology.

The technical problem solved by the utility model is achieved by adopting the following technical scheme: a turbine casing air tightness inspection tool, comprising a frame and a settlement plate which can be lifted and lowered in the frame, a reinforcement plate is provided at the upper end of the frame, the settlement plate is slidably mounted on the guide rod through a sliding sleeve on all sides, the lower end of the guide rod is fixed to the bottom of the frame, the upper end of the guide rod is fixedly mounted at the corresponding position of the reinforcement plate, a settlement cylinder is installed at the upper end of the reinforcement plate, the outer end of the output rod of the settlement cylinder is fixedly connected to the settlement plate to control the lifting and lowering adjustment of the settlement plate, a detection component is detachably mounted on the settlement plate to detect whether the turbine casing is leaking, and a transparent water tank is provided at the lower end of the frame to facilitate lowering the detection component into the water tank to observe the leakage of the turbine casing.

As a further solution of the utility model: two groups of detection components are arranged in parallel at the lower end of the settlement plate, slide rails are arranged on the settlement plate corresponding to the distribution of the detection components, and positioning bolts are arranged at the corresponding positions of the front end of the settlement plate to fix the detection components slidably installed on the slide rails.

As a further solution of the utility model: the detection assembly includes a detection frame and a pressing part and a clamping part installed on the detection frame. The upper end of the detection frame corresponds to a slide block distributed on the slide rail, and is slidably installed on the corresponding slide rail through the slide block. A positioning block is provided at the front end of the detection part. The positioning bolt is threadedly installed on the settlement plate and inserted into the positioning hole corresponding to the positioning block to fix the detection frame.

As a further solution of the utility model: a positioning template is fixedly installed on the upper end of the bottom of the detection frame, and a corresponding positioning groove is opened on the positioning template corresponding to the bottom of the turbine housing, so that the turbine housing can be placed in the positioning groove for positioning.

As a further solution of the utility model: the downward pressure member includes a downward pressure cylinder installed at the upper end of the detection frame, and a pressure plate is provided at the outer end of the output rod of the downward pressure cylinder to support the upper end of the turbine housing so that the turbine housing is fixed on the positioning template, and the settlement plate is provided with corresponding grooves corresponding to the downward pressure cylinder to facilitate the extension of the downward pressure cylinder.

As a further solution of the utility model: the clamping parts are provided with several groups according to the end surface holes of the turbine housing, and the clamping parts include a clamping plate fixedly mounted on the detection frame, and a clamping cylinder arranged on the clamping plate. A sealing disk is fixedly provided at the outer end of the output rod of the clamping cylinder, and a sealing gasket is attached to the outer end of the sealing disk to seal the end surface holes of the turbine housing.

As a further solution of the utility model: a gas nozzle can be inserted and installed on the sealing disk, and the outer end of the gas nozzle is connected to the gas supply equipment through an air pipe to fill gas into the turbine housing.

Compared with the prior art, the utility model has the following beneficial effects: the detection component can be detachably mounted on the settling plate, so that after designing the corresponding detection component according to different product models, it can be directly replaced and installed on the settling plate, thereby improving the utilization efficiency of the equipment and saving costs. The detection component first detects the air tightness of the turbine housing. When the detection fails, the turbine housing is then settled in water to observe the leakage point, thereby avoiding misjudgment caused by incomplete sealing and improving the accuracy of the detection.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the three-dimensional structure of the utility model;

FIG2 is a front view of the structure of the present utility model;

FIG3 is a schematic diagram of the installation structure of the detection component of the utility model;

Markings in the figure: 1. Frame; 2. Detection frame; 3. Clamping plate; 11. Settling plate; 12. Reinforcement plate; 13. Sliding sleeve; 14. Guide rod; 15. Settling cylinder; 16. Water tank; 17. Slide rail; 18. Positioning bolt; 21. Sliding block; 22. Positioning block; 23. Positioning template; 24. Positioning groove; 25. Pressing cylinder; 26. Pressure plate; 31. Clamping cylinder; 32. Sealing plate; 33. Air nozzle.

DETAILED DESCRIPTION

In order to make the technical means for realizing the utility model, creative features, objectives and effects easy to understand, the utility model is further explained below with reference to specific illustrations.

As shown in Figures 1 to 3,

The present embodiment provides a turbine casing air tightness inspection tool, comprising a frame 1 and a settling plate 11 which can be lifted and lowered in the frame 1. A reinforcing plate 12 is provided at the upper end of the frame 1. The four sides of the settling plate 11 are slidably mounted on a guide rod 14 through a sliding sleeve 13. The lower end of the guide rod 14 is fixed to the bottom of the frame 1. The upper end of the guide rod 14 is fixedly mounted at the corresponding position of the reinforcing plate 12. A settling cylinder 15 is installed at the upper end of the reinforcing plate 12. The outer end of the output rod of the settling cylinder 15 is fixedly connected to the settling plate 11 to control the lifting and lowering adjustment of the settling plate 11. A detection component is detachably mounted on the settling plate 11 to detect whether the turbine casing is leaking. A transparent water tank 16 is provided at the lower end of the frame 1 to facilitate lowering the detection component into the water tank 16 to observe the leakage of the turbine casing.

In this embodiment, two groups of detection components are arranged in parallel at the lower end of the sinking plate 11, and slide rails 17 are arranged on the sinking plate 11 corresponding to the detection components, and a stopper is arranged at the end of the slide rail 17, and a positioning bolt 18 is arranged at the corresponding position of the front end of the sinking plate 11 to fix the detection components slidably mounted on the slide rail 17. The detection component includes a detection frame 2 and a pressing member and a clamping member installed on the detection frame 2, and a slider 21 is arranged on the upper end of the detection frame 2 corresponding to the slide rail 17, and is slidably mounted on the corresponding slide rail 17 through the slider 21, and a positioning block 22 is arranged at the front end of the detection member, and the positioning bolt 18 is threadedly mounted on the sinking plate 11 and inserted into the positioning hole corresponding to the positioning block 22 to fix the detection frame 2.

In this embodiment, a positioning template 23 is fixedly installed on the upper end of the bottom of the detection frame 2. A corresponding positioning groove 24 is opened on the positioning template 23 corresponding to the bottom of the turbine housing, so that the turbine housing can be placed in the positioning groove 24 for positioning.

In this embodiment, the pressing member includes a pressing cylinder 25 installed at the upper end of the detection frame 2. A pressure plate 26 is provided at the outer end of the output rod of the pressing cylinder 25 to support the upper end of the turbine housing so that the turbine housing is fixed on the positioning template 23. The settlement plate 11 is provided with corresponding grooves corresponding to the pressing cylinder 25 so that the pressing cylinder 25 can extend.

In this embodiment, the clamping parts are provided with several groups according to the end hole positions of the turbine housing, and the clamping parts include a clamping plate 3 fixedly mounted on the detection frame 2, and a clamping cylinder 31 arranged on the clamping plate 3. The outer end of the output rod of the clamping cylinder 31 is fixedly provided with a sealing disk 32, and the outer end of the sealing disk 32 is attached with a sealing gasket to seal the end hole position of the turbine housing. The sealing disk 32 can be inserted with a gas nozzle 33, and the outer end of the gas nozzle 33 is connected to the gas supply device through an air pipe to fill gas into the turbine housing.

The working principle of the utility model is as follows: personnel place the turbine housing on the positioning template 23, use the positioning groove 24 to position the turbine housing, and seal the holes on the lower end face of the turbine housing; the downward pressure cylinder 25 controls the pressure plate 26 to descend and press against the upper end of the turbine housing to fix the turbine housing; the clamping cylinder 31 controls the sealing plate 32 to seal the other end holes of the turbine housing; the gas is filled into the turbine housing by the air nozzle 33 for detection; after the leakage is detected, the sedimentation cylinder 15 lowers the detection frame 2 into the water tank 16, and observes the position where the bubbles appear to determine the leakage point and clarify whether the leakage is caused by incomplete sealing.

The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will also have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents. It should be noted that in this article, if there are first and second relationship terms such as only used to distinguish one entity or operation from another entity or operation, it does not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the term "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or equipment. Without more constraints, an element defined by the phrase "comprising a..." does not exclude the existence of other identical elements in the process, method, article or apparatus comprising the element.

Claims (7)

1. A turbine casing air tightness inspection tool, comprising a frame and a settlement plate which can be lifted and lowered in the frame, characterized in that: a reinforcement plate is provided at the upper end of the frame, the settlement plate is slidably mounted on the guide rod through a sliding sleeve on all sides, the lower end of the guide rod is fixed to the bottom of the frame, the upper end of the guide rod is fixedly mounted at the corresponding position of the reinforcement plate, a settlement cylinder is installed at the upper end of the reinforcement plate, the outer end of the output rod of the settlement cylinder is fixedly connected to the settlement plate to control the lifting and lowering adjustment of the settlement plate, a detection component is detachably mounted on the settlement plate to detect whether the turbine casing is leaking, and a transparent water tank is provided at the lower end of the frame to facilitate lowering the detection component into the water tank to observe the leakage of the turbine casing. 2. A turbine casing air tightness inspection fixture according to claim 1, characterized in that: two groups of detection components are arranged in parallel at the lower end of the settlement plate, slide rails are arranged on the settlement plate corresponding to the distribution of the detection components, and positioning bolts are arranged at the corresponding positions of the front end of the settlement plate to fix the detection components slidably mounted on the slide rails. 3. A turbine casing air tightness inspection fixture according to claim 2, characterized in that: the inspection assembly includes an inspection frame and a pressing piece and a clamping piece installed on the inspection frame, the upper end of the inspection frame corresponds to a slide rail distribution slider, and is slidably installed on the corresponding slide rail through the slider, a positioning block is provided at the front end of the inspection piece, the positioning bolt is threadedly installed on the sinking plate, and is inserted into the positioning hole corresponding to the positioning block to fix the inspection frame. 4. A turbine casing air tightness inspection fixture according to claim 3, characterized in that: a positioning template is fixedly installed on the upper end of the bottom of the inspection frame, and a corresponding positioning groove is opened on the positioning template corresponding to the bottom of the turbine casing, so that the turbine casing can be placed in the positioning groove for positioning. 5. A turbine casing air tightness inspection fixture according to claim 3, characterized in that: the pressing member comprises a pressing cylinder installed at the upper end of the inspection frame, and a pressure plate is provided at the outer end of the output rod of the pressing cylinder to abut against the upper end of the turbine casing so that the turbine casing is fixedly set on the positioning template, and the settlement plate is provided with corresponding slots corresponding to the pressing cylinder to facilitate the extension of the pressing cylinder. 6. A turbine casing air tightness inspection fixture according to claim 3, characterized in that: the clamping parts are provided in several groups according to the end surface holes of the turbine casing, the clamping parts include a clamping plate fixedly mounted on the inspection frame, and a clamping cylinder arranged on the clamping plate, a sealing disk is fixedly provided at the outer end of the output rod of the clamping cylinder, and a sealing gasket is attached to the outer end of the sealing disk to seal the end surface holes of the turbine casing. 7. A turbine housing air tightness inspection tool according to claim 6, characterized in that: a gas nozzle can be inserted and installed on the sealing disk, and the outer end of the gas nozzle is connected to the gas supply equipment through an air pipe to fill gas into the turbine housing.