CN213516295U - Detection connecting piece for side air hole detection - Google Patents

Abstract

A detection connecting piece for detecting side air holes comprises a connecting part and a fixing part which are integrally formed; the connecting part is arranged on the fixing part; round holes are formed in the connecting part and the fixing part; the fixing part is provided with a fixing block and a limiting block; the fixed block is arranged at the top end of the fixed part, and the limiting block is arranged at the bottom end of the fixed part; the fixing part is also provided with an annular groove between the fixing block and the limiting block; the fixing part is provided with a water outlet penetrating to the round hole at the bottom of the annular groove; the utility model discloses simple structure, through connecting portion and pipe connection, the fixed part is connected with the movable vane, sets up pipe and movable vane intercommunication to better adaptation pipe and movable vane, the backward flow and the outflow phenomenon of having avoided the water of pipe to appear because of sealed problem in detecting the connecting piece.

Description

Detection connecting piece for side air hole detection

Technical Field

The utility model relates to an air pocket detection area, concretely relates to side air pocket detects detection connecting piece of usefulness.

Background

The turbine guide vanes and the movable vanes (namely the tested pieces) are provided with cooling structures (namely air hole structures) with hollow interiors. The turbine movable vane adopts the 3D printer of SLS technique to print, and the gas pocket structure probably appears printing inhomogeneous, is blockked up scheduling problem by the powder, causes the gas pocket not unblocked or inhomogeneous scheduling problem.

The water-through detection method is adopted to detect the unblocked degree of the air hole, and at the moment, a detection connecting piece matched with the detected piece and the conduit needs to be designed to meet the requirement of detecting the unblocked degree of the air hole. When the existing detection connecting piece is connected with a guide pipe and a shaft neck, the guide pipe and the shaft neck of a turbine guide vane cannot be matched at the same time, backflow and outflow phenomena can occur to water in the guide pipe due to the sealing problem in the detection connecting piece, and the scratch problem of a non-flexible material on the outer surface of the micro turbine movable vane is solved.

Based on the circumstances, the utility model provides a side gas pocket detects detection connecting piece of usefulness can effectively solve above problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a side gas pocket detects detection connecting piece of usefulness. The utility model discloses a side gas pocket detects detection connecting piece of usefulness simple structure, convenient to use through connecting portion and pipe connection, and the fixed part is connected with the movable vane, sets up pipe and movable vane intercommunication to better adaptation pipe and movable vane, the backward flow and the outflow phenomenon of having avoided the water of pipe to appear because of sealed problem in detecting the connecting piece.

The utility model discloses a following technical scheme realizes:

a detection connecting piece for detecting side air holes comprises a connecting part and a fixing part which are integrally formed; the connecting part is arranged on the fixing part; round holes are formed in the connecting part and the fixing part;

the fixing part is provided with a fixing block and a limiting block; the fixed block is arranged at the top end of the fixed part, and the limiting block is arranged at the bottom end of the fixed part; the fixing part is also provided with an annular groove between the fixing block and the limiting block; the fixing part is arranged at the bottom of the annular groove and provided with a water outlet penetrating through the round hole.

The utility model discloses a connecting portion and pipe connection, fixed part and movable vane are connected, set up pipe and movable vane intercommunication to better adaptation pipe and movable vane, the backward flow and the outflow phenomenon of having avoided the water of pipe to appear because of sealed problem in detecting the connecting piece.

Preferably, the fixing block is provided with an arc-shaped ring groove, and the arc-shaped ring groove is formed in the edge of the top of the fixing block.

Preferably, be equipped with square annular on the fixed block, square annular sets up the top of fixed block, just square annular sets up the inboard of arc annular.

Preferably, there are 4 water outlets disposed in the annular groove.

Preferably, the water outlets are arranged equidistantly in the circumferential direction.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model discloses a side gas pocket detects detection connecting piece of usefulness simple structure, convenient to use through connecting portion and pipe connection, and the fixed part is connected with the movable vane, sets up pipe and movable vane intercommunication to better adaptation pipe and movable vane, the backward flow and the outflow phenomenon of having avoided the water of pipe to appear because of sealed problem in detecting the connecting piece.

Drawings

FIG. 1 is a schematic view of the structure of the present invention combined with a movable blade;

FIG. 2 is a schematic cross-sectional view of the movable blade of the present invention;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a schematic sectional view of the present invention;

fig. 5 is a schematic structural view of the bucket.

In the figure: 4-moving blades; 41-air holes;

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example 1:

as shown in fig. 1 to 5, a detecting connecting piece for detecting a side air hole comprises a connecting part 1 and a fixing part 2 which are integrally formed; the connecting part 1 is arranged on the fixing part 2; the connecting part 1 and the fixing part 2 are internally provided with round holes 3;

the fixed part 2 is provided with a fixed block 21 and a limiting block 22; the fixed block 21 is arranged at the top end of the fixed part 2, and the limited block 22 is arranged at the bottom end of the fixed part 2; the fixing part 2 is also provided with an annular groove 23 between the fixing block 21 and the limiting block 22; the fixing part 2 is provided with a water outlet 24 penetrating to the round hole 3 at the bottom of the annular groove 23.

The utility model discloses a connecting portion 1 and pipe connection, fixed part 2 is connected with the movable vane, sets up pipe and movable vane intercommunication to better adaptation pipe and movable vane, the backward flow and the outflow phenomenon of having avoided the water of pipe to appear because sealed problem in detecting the connecting piece.

The fixed block 21 can fix the movable blades, and the limiting block 22 can not only assist the fixed block 21 in fixing the movable blades, but also enhance the sealing property of the connection between the fixed part 2 and the movable blades; the diameters of the fixed block 21 and the limiting block 22 are equal to or slightly larger than the inner diameter of the shaft hole of the movable blade.

The manufacturing of the utility model adopts the additive technology, which is integrally formed, has better mechanical property and can ensure that the fixed part and the movable blade can be more laminated; during manufacturing, the flexible TPU material is adopted, the material has elasticity, the scratch problem is avoided, and the sealing performance is good.

Further, in another embodiment, an arc-shaped ring groove 211 is formed on the fixed block 21, and the arc-shaped ring groove 211 is arranged at the edge of the top of the fixed block 21.

The shape and the position of arc-shaped annular groove 211 are matched with the movable blades, so that a better fixing effect is achieved.

Further, in another embodiment, the fixing block 21 is provided with a square ring groove 212, the square ring groove 212 is disposed at the top of the fixing block 21, and the square ring groove 212 is disposed inside the arc-shaped ring groove 211.

The shape and the position of square ring groove 212 all match with the movable vane, not only can strengthen fixed effect between fixed block 21 and the movable vane, can also strengthen the connection leakproofness between fixed block 21 and the movable vane.

Further, in another embodiment, there are 4 water outlets 24 provided in the annular groove 23.

Four delivery port 24 is ensured the utility model discloses there is sufficient play water speed, has sufficient water yield, can not appear phenomena such as cutout when the test, guarantees to have good test effect.

Further, in another embodiment, the water outlets 24 are arranged equidistantly in the circumferential direction.

24 equidistance arrangement of delivery port guarantees the even of play water, and then guarantees that the gas pocket on the movable vane is when the test, and every gas pocket condition of intaking is the same, guarantees to have good test effect.

According to the utility model discloses a description and attached drawing, the skilled person makes or uses the utility model discloses a side gas pocket detects the detection connecting piece of usefulness very easily to can produce the positive effect that the utility model discloses record.

Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims (5)

1. The utility model provides a side gas pocket detects detection connecting piece of usefulness which characterized in that: comprises a connecting part (1) and a fixing part (2) which are integrally formed; the connecting part (1) is arranged on the fixing part (2); round holes (3) are arranged in the connecting part (1) and the fixing part (2);

the fixed part (2) is internally provided with a fixed block (21) and a limiting block (22); the fixed block (21) is arranged at the top end of the fixed part (2), and the limiting block (22) is arranged at the bottom end of the fixed part (2); the fixing part (2) is also provided with an annular groove (23) between the fixing block (21) and the limiting block (22); the fixing part (2) is provided with a water outlet (24) penetrating through the round hole (3) at the bottom of the annular groove (23).

2. The detecting connector for detecting the side air hole according to claim 1, wherein: be equipped with arc annular (211) on fixed block (21), arc annular (211) set up the edge at the top of fixed block (21).

3. The detecting connector for detecting the side air hole according to claim 2, wherein: be equipped with square annular groove (212) on fixed block (21), square annular groove (212) set up the top of fixed block (21), just square annular groove (212) set up the inboard of arc annular groove (211).

4. The detecting connector for detecting the side air hole according to claim 1, wherein: the number of the water outlets (24) arranged in the annular groove (23) is 4.

5. The detecting connector for detecting the side air hole according to claim 4, wherein: the water outlets (24) are arranged at equal intervals in the circumferential direction.

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