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CN-121990371-A - Ice throwing device

CN121990371ACN 121990371 ACN121990371 ACN 121990371ACN-121990371-A

Abstract

The application provides an ice throwing device which comprises a bracket assembly and an ice throwing assembly, wherein the ice throwing assembly comprises an ice storage box arranged on the bracket assembly and provided with an ice storage cavity and an ice outlet communicated with the ice storage cavity, an ejection assembly arranged in the ice storage cavity and opposite to the ice outlet, a stop assembly movably arranged in the ice storage cavity and positioned between the ejection assembly and the ice outlet, an ice storage area defined between the ejection assembly and the stop assembly is used for placing ice cubes, the stop assembly can be positioned at a stop position for stopping the ice cubes positioned in the ice storage area, and the ejection assembly is used for driving the ice cubes positioned in the ice storage area to be ejected through the ice outlet when the stop assembly leaves the stop position. According to the application, the potential energy generated by compression of the ejection assembly is utilized to adjust the initial speed of the ice cubes when the ice cubes are ejected through the ice outlet, so that the flight track of the ice cubes is adjusted, the accuracy of the ice cubes projected into the engine is improved, the test uncertainty is reduced, and the risk of air intake distortion of the engine is reduced.

Inventors

  • LIU FEIYU
  • SU JIE
  • WANG XIAOZENG
  • Song yina
  • LI LING

Assignees

  • 中国航发商用航空发动机有限责任公司

Dates

Publication Date
20260508
Application Date
20241105

Claims (13)

  1. 1. An ice-throwing device, characterized by comprising a bracket assembly (100) and an ice-throwing assembly (200), the ice-throwing assembly (200) comprising: The ice storage box (210) is arranged on the bracket assembly (100) and is provided with an ice storage cavity (211) and an ice outlet (212) communicated with the ice storage cavity (211); an ejection assembly (220) arranged in the ice storage cavity (211) and opposite to the ice outlet (212); A stop assembly (230) movably disposed in the ice storage cavity (211) between the ejector assembly (220) and the ice outlet (212); an ice storage area (213) defined between the ejector assembly (220) and the stop assembly (230) for receiving ice cubes; the stop assembly (230) is capable of being in a stop position for stopping ice cubes in the ice storage area (213); The ejection assembly (220) is used for driving ice cubes in the ice storage area (213) to be ejected through the ice outlet (212) when the stop assembly (230) leaves the stop position.
  2. 2. Ice-throwing device according to claim 1, characterized in that a plurality of ice-cube supports (240) for contacting the ice cubes are laid side by side in the ice-storage chamber (211), adjacent ice-cube supports (240) being arranged at intervals.
  3. 3. Ice-throwing device according to claim 2, wherein the ice-cube support (240) is adapted to be in line-contact or point-contact with the ice-cubes.
  4. 4. Ice-throwing device according to claim 2, wherein the stop assembly (230) comprises a movable stop (231) and a drive (232), The movable baffle (231) is arranged in the ice storage cavity (211), and the ice storage area (213) is arranged between the ejection assembly (220) and the movable baffle (231); The driving piece (232) is mounted on the ice storage box (210) and can drive the movable baffle piece (231) to move to the stop position.
  5. 5. The ice-throwing apparatus according to claim 4, wherein a guide area (214) is provided between the movable stopper (231) and the ice outlet (212), a baffle-receiving groove is formed between the ice-cube support (240) provided in the ice storage area (213) and the ice-cube support (240) provided in the guide area (214), the baffle-receiving groove being capable of receiving the movable stopper (231), The driving piece (232) can drive the movable baffle piece (231) to extend out of the baffle containing groove to be in the stop position, and can drive the movable baffle piece (231) to leave the stop position and retract into the baffle containing groove.
  6. 6. Ice-throwing device according to claim 5, wherein the movable catch (231) comprises a link (2311) connecting the driving element (232), and a transition support (2312) provided on the link (2311); The driving member (232) can drive the transition support (2312) to extend out of the baffle receiving groove through the connecting rod (2311) so that the transition support (2312) is in the stop position, and The drive (232) is capable of driving the transition support (2312) to retract into the baffle receiving slot via the link (2311) such that the transition support (2312), the ice support (240) at the ice storage area (213), and the ice support (240) at the guide area (214) are all available for contacting the ice.
  7. 7. The ice charging device according to claim 6, wherein the ice bank (210) comprises an upper end plate (2101), a lower end plate (2102), side plates (2103) and a bottom plate (2104) which are oppositely arranged, the bottom plate (2104) and the ice outlet (212) are oppositely arranged, the side plates (2103) which are oppositely arranged are connected with two opposite ends of the bottom plate (2104) in a one-to-one correspondence manner, the side plates (2103) and the bottom plate (2104) are respectively arranged between the upper end plate (2101) and the lower end plate (2102), and the lower end plate (2102) and the side plates (2103) are respectively provided with the ice block support (240).
  8. 8. The ice charging apparatus according to claim 7, wherein the connecting rod (2311) and the transition support (2312) are both provided to the lower end plate (2102); The ice block supports (240) positioned on the lower end plate (2102) are arranged in a plurality of rows along the width direction of the ice throwing assembly (200) and are arranged in a plurality of rows along the length direction of the ice throwing assembly (200), wherein the length direction of the ice throwing assembly (200) is consistent with the ice conveying direction of the ice throwing assembly (200); In two adjacent rows of the ice supports (240) of the lower end plate (2102), at a level which is at or below a level which is at a position of contact of one of the ice outlets (212) with ice, or at or below a level which is at a position of contact of one of the ice outlets (212) with ice Among the transition supports (2312) of the lower end plate (2102) and the ice block supports (240) of the adjacent rows, a height of a contact position of one of the ice outlets (212) with ice blocks is flush with or lower than a height of a contact position of one of the ice outlets (212) with ice blocks.
  9. 9. The ice-throwing device according to claim 2, wherein the ejection assembly (220) comprises a spring plate (221) and an ejection plate (222), the ejection plate (222) can move towards and away from the ice outlet (212), the spring plate (221) is arranged between the ejection plate (222) and the bottom of the ice storage cavity (211), -Said ice storage area (213) is between said ejector plate (222) and said stop assembly (230); The elastic sheet (221) is used for driving ice cubes in the ice storage area (213) to be ejected out through the ice outlet (212) through the ejection plate (222) when the stop assembly (230) leaves the stop position.
  10. 10. The ice-throwing apparatus according to claim 9, wherein the area where the ejector assembly (220) is disposed is an ejector area (215), the ejector area (215) being devoid of the ice cube support (240), The ejector plate (222) is limited between the cavity bottom of the ice storage cavity (211) and the ice block support (240) of the ice storage area (213).
  11. 11. The ice throwing device according to claim 9, wherein the elastic sheet (221) includes at least one elastic unit body (2211), the elastic unit body (2211) extends along an arc-shaped path, and an arc top of the elastic unit body (2211) contacts the ejection plate (222), and two opposite sides of the elastic unit body (2211) extending along the arc-shaped path contact a cavity bottom of the ice storage cavity (211).
  12. 12. The ice-throwing apparatus according to claim 1, wherein the stand assembly (100) comprises a stand assembly (110) and an angle adjustment assembly (120), The angle adjustment assembly (120) includes: A first adjustment lever (121) rotatably connected to the stand assembly (110) about a Z axis; A second adjustment lever (122) rotatably connected to a side of the first adjustment lever (121) away from the holder assembly (110) about a Y-axis; And the third adjusting rod (123) is connected with the ice throwing assembly (200), and is rotatably connected with one side, far away from the first adjusting rod (121), of the second adjusting rod (122) around the X axis.
  13. 13. The ice-throwing device according to claim 12, wherein the support assembly (110) comprises a fixed seat (111) and an adjusting column (112), the adjusting column (112) is movably arranged on the fixed seat (111) along a Z-axis, and the first adjusting rod (121) is rotatably connected with one side of the adjusting column (112) away from the fixed seat (111) around the Z-axis.

Description

Ice throwing device Technical Field The invention relates to the field of engine testing, in particular to an ice throwing device. Background In the design and manufacturing process of aircraft engines, the ice pick-up test is a key step in assessing the performance and safety of the engine in extreme weather conditions, and in order to ensure that the engine is still safe and reliable to operate when hail, ice fragments or other ice-like materials are inhaled, the engine manufacturer must conduct the ice pick-up test. The existing ice feeding device mainly adopts a mechanical device or a compressed air system to feed ice cubes into an air inlet of an engine. These devices typically include an ice cube generation system, a projection system, and a monitoring system. However, the prior art has some drawbacks and disadvantages: The friction force problem is that the traditional ice conveying track design often causes larger friction force between ice cubes and the track, and the speed and the accuracy of ice cubes are influenced. The existing device is limited in the aspects of ice feeding position and angle adjustment, cannot realize accurate control, and influences the accuracy of the test. The height adjustment is difficult, most devices lack an effective height adjustment mechanism, and the position of the device needs to be manually adjusted during the test, so that the operation is complicated and inconvenient. Many ice delivery devices rely on gravity to project ice pieces, resulting in limited ice piece flight trajectories, increasing the risk of test uncertainty and engine intake distortion. Disclosure of Invention The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an ice charging device capable of improving the accuracy of ice feeding. The invention discloses an ice throwing device which comprises a bracket assembly and an ice throwing assembly, wherein the ice throwing assembly comprises an ice storage box arranged on the bracket assembly, an ejection assembly arranged in the ice storage cavity and opposite to the ice outlet, a stop assembly movably arranged in the ice storage cavity and positioned between the ejection assembly and the ice outlet, an ice storage area defined between the ejection assembly and the stop assembly is used for placing ice cubes, the stop assembly can be positioned at a stop position for stopping the ice cubes positioned in the ice storage area, and the ejection assembly is used for driving the ice cubes positioned in the ice storage area to be ejected through the ice outlet when the stop assembly leaves the stop position. Optionally, a plurality of ice cube supports for contacting ice cubes are laid side by side in the ice storage chamber, with adjacent ice cube supports being spaced apart. Optionally, the ice cube support is configured for line or point contact with ice cubes. The ice storage box comprises an upper end plate, a lower end plate, side plates and a bottom plate which are oppositely arranged, wherein the bottom plate and the ice outlet are oppositely arranged, the side plates are arranged in pairs, the side plates arranged in pairs are connected with two opposite ends of the bottom plate in a one-to-one correspondence manner, the side plates and the bottom plate are respectively arranged between the upper end plate and the lower end plate, and the lower end plate and the side plates are respectively provided with an ice block support. Optionally, the stop component comprises a movable stop piece and a driving piece, the movable stop piece is arranged in the ice storage cavity, an ice storage area is arranged between the ejection component and the movable stop piece, and the driving piece is arranged in the ice storage box and can drive the movable stop piece to move to a stop position. Optionally, a guiding area is formed between the movable baffle and the ice outlet, a baffle containing groove is formed between the ice block support in the ice storage area and the ice block support in the guiding area, the baffle containing groove can contain the movable baffle, the driving piece can drive the movable baffle to extend out of the baffle containing groove to be located at a stop position, and the driving piece can drive the movable baffle to leave the stop position and retract into the baffle containing groove. The movable baffle comprises a connecting rod connected with the driving part and a transition support arranged on the connecting rod, the driving part can drive the transition support to extend out of the baffle accommodating groove through the connecting rod so that the transition support is in a stop position, and the driving part can drive the transition support through the connecting rod to retract into the baffle accommodating groove so that the transition support, the ice block support positioned in the ice storage area and the ice block support positioned in the guide