1. A large volume sample carrier device for hollow turbine blade inspection, the device comprising: the blade clamping device comprises a blade clamping box (1), a clamping box placing frame (2) and a two-dimensional moving mechanism (3), wherein the blade clamping box (1) is multiple and is arranged on the clamping box placing frame (2), the clamping box mounting frame (2) is arranged on the two-dimensional moving mechanism (3) through a vertical transmission element, and the blade clamping box (1) can clamp a plurality of blades at one time.

2. A high capacity sample carrier device for testing hollow turbine blades according to claim 1, characterised in that the blade cassette (1) comprises: the clamping device comprises a clamping piece (11), a hinge (12) and hard foam (13), wherein the clamping piece (11) is provided with two pieces which are connected through the hinge (12) in bilateral symmetry, and the hard foam (13) is positioned on the inner surface of the clamping piece (11).

3. A high capacity sample carrier device for testing hollow turbine blades according to claim 2, characterised in that the cassette magazine (2) comprises: the device comprises a frame (21), a support plate (22), a slide rail I (23), a slide block I (24), a locking nut (25) and a clamping box placing groove (26); the utility model discloses a clamping box, including frame (21), slide rail I (23), backup pad (22), slide rail I (23) are installed on two backup pads (22), backup pad (22) have two, and the symmetry is installed in the frame (21) left and right sides, slide rail I (23) symmetry respectively install on two backup pads (22), slider I (24) have a plurality ofly, install respectively on slide rail I (23) to fix through lock nut (25), clamping box mounting groove (26) are installed on slider I (24).

4. A large capacity sample carrier device for hollow turbine blade inspection according to claim 3, characterized in that the two-dimensional moving mechanism (3) comprises: the device comprises a bottom frame (31), a vertical frame (32), a sliding rail II (33), a sliding block II (34), a horizontal transmission element (35), a motor I (36), a connecting plate (37), a vertical transmission element (38) and a motor II (39); two sliding rails II (33) are arranged and are arranged on the upper frame of the bottom frame (31), and the sliding block II (34) is arranged at the bottom of the vertical frame (32) and is sleeved on the sliding rail II (33); the motor I (36) is connected with the horizontal transmission element (35) and is arranged on the bottom frame (31); one end of the connecting plate (37) is arranged on a moving part of the horizontal transmission element (35), and the other end of the connecting plate is connected with the vertical frame (32) to drive the vertical frame (32) to be connected to move horizontally; the vertical transmission element (38) is connected with the motor II (39) through a conveyor belt and is arranged on the vertical frame (32), and the moving part of the vertical transmission element (38) is arranged on the frame (21) of the clamping box placing frame (2) to drive the clamping box placing frame (2) to move vertically.

5. A high capacity sample carrier for testing hollow turbine blades according to claim 4, characterized in that the vertical transmission element (38) and the horizontal transmission element (35) are ball screws.

Background

The turbine blade is an important component of the aero-engine and is positioned at the position with highest temperature, most complex stress and most severe environment in the aero-engine, so that the turbine blade is known as an 'bright pearl on crown'. In order to improve the high temperature performance of the turbine blade, a large number of fine flow passages are usually provided in the interior of the turbine blade, and the turbine blade provided with the fine flow passages is a hollow turbine blade. Hollow turbine blades are typically produced by investment casting, and because their internal flow passages are relatively fine, it is not straightforward to determine whether there are any residual ceramic cores in the flow passages after fabrication, and therefore they must be further tested.

At present, neutron photography is a reliable technology for detecting the residual core of the hollow turbine blade of the aeroengine, and the detection result is visual and reliable, so that the neutron photography is widely adopted internationally. The detection of residual cores of hollow turbine blades by means of neutron photographic devices generally makes use of a reactor neutron source, and therefore in order to ensure radiation safety, the neutron photographic devices are generally placed in a shielded room. The basic flow of the hollow turbine blade detection by using the neutron photograph detection device is as follows: the method comprises the steps of firstly closing a reactor pore gate valve to cut off neutron beam current, opening a shielding chamber door to place a blade, closing the shielding chamber door after the blade is placed, then remotely operating a control chamber to acquire a neutron photographic image of the blade, and finally taking out the detected blade. The existing hollow turbine blade neutron photograph detection sample platform generally adopts a one-dimensional moving mode to adjust a detection object, and because the hollow turbine blade is directly placed on the detection sample platform, the phenomenon that the turbine blade topples over due to vibration easily occurs in the moving process of the sample platform, and at the moment, an operator needs to close the neutron beam again to enter the shielding chamber to lift the blade. It can be seen from the above detection process that: in the detection of the residual core of the hollow turbine blade, an operator must enter a shielding chamber for multiple times, the higher the frequency of entering the shielding chamber, the more serious the neutron beam waste is, the longer the retention time of the operator in the shielding chamber is, the larger the radiation quantity received by the operator is, and only 3-5 blades can be detected once limited by a neutron field of view in the prior art.

Therefore, there is a need for a fixture and a large-capacity sample carrying system for fast and reliable blade placement to improve the detection efficiency of the hollow turbine blade and reduce the risk of radiation to the operator and the neutron beam waste.

Disclosure of Invention

In view of this, the invention provides a large-capacity sample carrying device for detecting a hollow turbine blade, which can place a plurality of hollow turbine blades at one time, improve the detection efficiency of the blades, avoid operators from entering a shielding room for many times, and reduce the radiation risk and the neutron beam waste.

In order to achieve the purpose, the invention adopts the following technical scheme: a high volume sample carrier device for hollow turbine blade inspection, the device comprising: blade clamping box, clamping box dispenser and two-dimensional moving mechanism, the blade clamping box has a plurality ofly, and a plurality of turbine blades of blade clamping box disposable centre gripping are installed on the clamping box dispenser, clamping box mounting bracket passes through perpendicular drive element and installs at two-dimensional moving mechanism, but a plurality of blades of blade clamping box clamping once.

Preferably, the blade cartridge includes: the clamping device comprises clamping pieces, hinges and hard foam, wherein the clamping pieces are connected through the hinges which are symmetrical left and right, and the hard foam is positioned on the inner surface of the clamping pieces.

Preferably, the cartridge dispenser includes: the clamping device comprises a frame, a supporting plate, a sliding rail I, a sliding block I, a locking nut and a clamping box placing groove; the clamping box comprises a frame, a plurality of supporting plates, sliding rails I, a plurality of sliding blocks I, a clamping box placing groove and a plurality of sliding blocks I, wherein the two supporting plates are symmetrically arranged on the left side and the right side of the frame, the sliding rails I are symmetrically arranged on the two supporting plates respectively, the sliding blocks I are arranged on the sliding rails I respectively and are fixed through locking nuts, and the clamping box placing groove is arranged on the sliding blocks I.

Preferably, the two-dimensional moving mechanism includes: the device comprises a bottom frame, a vertical frame, a sliding rail II, a sliding block II, a horizontal transmission element, a motor I, a connecting plate, a vertical transmission element and a motor II; the two sliding rails II are arranged on the upper frame of the bottom frame, and the sliding block II is arranged at the bottom of the vertical frame and sleeved on the sliding rails II; the motor I is connected with the horizontal transmission element and is arranged on the bottom frame; one end of the connecting plate is arranged on a moving part of the horizontal transmission element, and the other end of the connecting plate is connected with the vertical frame to drive the vertical frame to move horizontally; the vertical transmission element is connected with the motor II through the conveyor belt and is installed on the vertical frame, and the moving part of the vertical transmission element is installed on the frame of the clamping box placing frame to drive the clamping box placing frame to move vertically.

Preferably, the vertical transmission element and the horizontal transmission element are ball screws.

The invention has the beneficial effects that: the invention discloses a large-capacity sample bearing device for detecting a hollow turbine blade, which can be used for placing a plurality of hollow turbine blades at one time, thereby improving the detection efficiency of the blades, avoiding operators from entering a shielding chamber for many times, reducing the radiation risk of the operators and the waste of neutron beams, clamping the blades by adopting a blade clamping box, ensuring the stability of the hollow turbine blades in the detection process, and matching a two-dimensional moving mechanism to realize that the turbine blades placed on a blade box placing frame are positioned in a neutron photograph detection view field.

Drawings

FIG. 1 is a schematic view of the construction of a large volume sample carrier device for hollow turbine blade inspection according to the present invention;

FIG. 2 is a schematic view of a blade cartridge structure of a high capacity sample carrier for testing hollow turbine blades according to the present invention;

FIG. 3 is a schematic view of a blade clamping structure of a blade clamping box of the large-capacity sample bearing device for detecting the hollow turbine blade of the invention;

FIG. 4 is a schematic view of a cartridge mounting rack of the large volume sample holder for testing hollow turbine blades according to the present invention;

in the figure: 1. the blade clamping box comprises a blade clamping box 2, a clamping box placing frame 3, a two-dimensional moving mechanism 4, a hollow turbine blade 11, a clamping piece 12, a hinge 13, hard foam 21, a frame 22, a supporting plate 23, a sliding rail I24, a sliding block I25, a locking nut 26, a clamping box placing groove 31, a bottom frame 32, a vertical frame 33, a sliding rail II 34, a sliding block II 35, a horizontal transmission element 36, a motor I37, a connecting plate 38, a vertical transmission element 39 and a motor II.

Detailed Description

It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention and are to be construed as being without limitation to such specifically recited embodiments and examples. Those skilled in the art can make various other specific changes and combinations based on the teachings of the present invention without departing from the spirit of the invention, and these changes and combinations are within the scope of the invention.

The invention is described in detail below with reference to the figures and specific embodiments.

A large volume sample carrier for testing hollow turbine blades as shown in figure i, the device comprising: the device comprises a blade clamping box 1, a clamping box placing frame 2 and a two-dimensional moving mechanism 3, wherein the blade clamping box 1 is used for clamping a plurality of hollow turbine blades at one time, and the number of the blade clamping boxes 1 is multiple, so that the bearing capacity of a sample can be increased; the clamping box placing frame 2 is used for placing a plurality of blade clamping boxes 1 and is arranged on the two-dimensional moving mechanism 3 through a vertical transmission element 38;

as shown in fig. 2, the blade cartridge 1 includes: the clamping piece 11 comprises two pieces which are connected through two bilaterally symmetrical hinges 12, and the hard foam 13 is positioned on the inner surface of the clamping piece 11. The loading and unloading of the hollow turbine blade of the aero-engine can be realized through the opening and closing of the hinges, after the loading of the hollow turbine blade of the aero-engine is completed, the two hinges 12 are closed, the groove part of the tenon of the hollow turbine blade of the aero-engine is clamped through the two clamping pieces 11, and the tenon is wrapped by the hard foam 13, so that the hollow turbine blade of the aero-engine is stably clamped, and the state of the blade clamping box 1 when the hollow turbine blade 4 is clamped is shown in fig. 3.

As shown in fig. 4, the cartridge receiving rack 2 includes: the device comprises a frame 21, a support plate 22, a slide rail I23, a slide block I24, a locking nut 25 and a clamping box placing groove 26; wherein backup pad 22 has two, symmetry fixed mounting in the frame 21 left and right sides, slide rail I23 is symmetry respectively installed on two backup pads 22, and slider I24 has a plurality ofly, installs respectively on slide rail I23 to fix through lock nut 25, the slider I24 of placing through bilateral symmetry can be used to fixed clamping box mounting groove 26, and its slider I24's position can be adjusted to use laying of different model aeroengine hollow turbine blades.

As shown in fig. 1, the two-dimensional moving mechanism 3 includes: the device comprises a bottom frame 31, a vertical frame 32, a sliding rail II 33, a sliding block II 34, a horizontal transmission element 35, a motor I36, a connecting plate 37, a vertical transmission element 38 and a motor II 39; the sliding rail II 33 is arranged on the upper frame of the bottom frame 31, and the sliding block II 34 is arranged at the bottom of the vertical frame 32 and sleeved on the sliding rail II 33; the motor I36 is connected with the horizontal transmission element 35 and is arranged on the bottom frame 31; one end of the connecting plate 37 is mounted on the moving part of the horizontal transmission element 35, and the other end is connected with the vertical frame 32 to drive the vertical frame 32 to move horizontally; the vertical transmission element 38 is connected with the motor II39 through a conveyor belt and is installed on the vertical frame 32, and the moving part of the vertical transmission element 38 is installed on the frame 21 of the clamping box placing rack 2 to drive the clamping box placing rack 2 to move vertically. As shown in fig. 1, the vertical transmission element 38 and the horizontal transmission element 35 both employ ball screws in the present embodiment. Through the movement combination of the vertical moving unit and the horizontal moving unit, the blade box placing frame can move in two dimensions within a specified range, so that the turbine blades placed at different positions on the blade box placing frame are in a neutron photograph detection field.