CN210690060U

CN210690060U - Engine disc cavity flowing heat exchange test device

Info

Publication number: CN210690060U
Application number: CN201921679876.8U
Authority: CN
Inventors: 杨阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-06-05
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to the technical field of design of a rotary disc cavity of an aircraft engine, in particular to a flowing heat exchange test device of the rotary disc cavity of the engine, which comprises a base, wherein the top of the base is symmetrically and fixedly connected with a supporting plate and further comprises a disc top heating mechanism, a rotating mechanism and a disc cavity heat dissipation mechanism; the disc top heating mechanism is arranged at the top of the supporting plate and comprises a fixed seat, and the fixed seat is in threaded connection with the top of the supporting plate through a threaded rod; the rotating mechanism is arranged on the base and comprises a motor chamber, and the motor chamber is arranged inside the base; the disc cavity heat dissipation mechanism is arranged on the side surface of the supporting plate; the utility model discloses a cooperation of telescopic link and roof realizes the heating strength of arbitrary control turbine dish, simultaneously in turbine dish pivoted, through the belt linkage, drives first flabellum and second flabellum and rotates to the radiating effect of device has been improved, the life of extension fixture.

Description

Engine disc cavity flowing heat exchange test device

Technical Field

The utility model relates to an aeroengine carousel chamber designs technical field, concretely relates to heat transfer test device that engine dish chamber flows.

Background

When the aerospace engine works, the total pressure ratio of the air compressor is gradually increased, so that the temperature of air at the outlet of the air compressor is higher and higher, and in order to prevent the temperature inside the machine from being increased, and thus parts inside the machine are damaged by high temperature, the temperature of a disc cavity needs to be reduced by using a heat exchange device.

Convective heat transfer refers to the phenomenon of heat transfer between a fluid and the surface of a solid as the fluid flows through the solid. The convective heat transfer depends on the movement of fluid particles for heat transfer, and is closely related to the flowing condition of the fluid.

Current flow heat transfer device's cooling effect is relatively poor to shorten the life of device, based on this, the utility model designs an engine dish chamber flow heat transfer test device, with the solution to the aforesaid problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an engine dish chamber heat transfer test device that flows to it is relatively poor to solve the heat transfer device's that proposes among the above-mentioned background art cooling effect, influences the problem of the normal use of device.

In order to achieve the above object, the utility model provides a following technical scheme: the test device for the flowing heat exchange of the disk cavity of the engine comprises a base, a disk top heating mechanism, a rotating mechanism and a disk cavity heat dissipation mechanism, wherein supporting plates are symmetrically and fixedly connected to the top of the base;

the disc top heating mechanism is arranged at the top of the supporting plate and comprises a fixed seat, and the fixed seat is in threaded connection with the top of the supporting plate through a threaded rod;

the rotating mechanism is arranged on the base and comprises a motor chamber, and the motor chamber is arranged inside the base;

the disc cavity heat dissipation mechanism is arranged on the side faces of the supporting plates and comprises shaft rods, and the shaft rods are symmetrically and rotatably connected to the two supporting plates.

Preferably, the disc top heating mechanism further comprises a telescopic rod and a top plate, the telescopic rod is fixedly connected to the top of the fixing seat, the top plate is fixedly connected between the tops of the two telescopic rods, and the heater is arranged on the top plate.

Preferably, slewing mechanism still includes motor, montant and baffle, the motor is located in the motor chamber, the montant rotates to be connected on the base, and equal rigid coupling has first runner, two on the output shaft of motor and the montant link through first belt between the first runner, the baffle rigid coupling is on the montant, and the baffle rotates to be connected in the base.

Preferably, the top of montant extends to the top of base, and the top rigid coupling of montant has drive bevel gear, and the rigid coupling has the first flabellum that is located drive bevel gear top on the montant, and the top rigid coupling of montant has turbine dish, turbine dish is located the heater under.

Preferably, the disc cavity heat dissipation mechanism further comprises a rotating shaft and driven bevel gears, the rotating shaft is symmetrically connected to the two supporting plates in a rotating mode, the driven bevel gears are fixedly connected to one ends of the shaft rods, the two driven bevel gears are respectively meshed with the driving bevel gear, the shaft rods are fixedly connected with second rotating wheels, third rotating wheels are fixedly connected to the rotating shaft, the second rotating wheels and the third rotating wheels are linked through second belts on the same side, and second fan blades are fixedly connected to one ends of the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a cooperation of telescopic link and roof realizes the heating strength of arbitrary control turbine dish, simultaneously in turbine dish pivoted, through the belt linkage, drives first flabellum and second flabellum and rotates to the radiating effect of device has been improved, the life of extension fixture.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the part a of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-a base; 2-a support plate; 301-a fixed seat; 302-threaded rod; 303-a telescopic rod; 304-a top plate; 305-a heater; 401-motor chamber; 402-an electric motor; 403-vertical bar; 404-a baffle; 405-a first wheel; 406-a first belt; 407-drive bevel gear; 408-a first fan blade; 409-a turbine disc; 501-shaft lever; 502-a shaft; 503-driven bevel gear; 504-a second wheel; 505-a third wheel; 506-a second belt; 507-second fan blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a flow heat exchange test device for an engine disc cavity comprises a base 1, wherein the top of the base 1 is symmetrically and fixedly connected with a supporting plate 2, and the flow heat exchange test device further comprises a disc top heating mechanism, a rotating mechanism and a disc cavity heat dissipation mechanism; the disc top heating mechanism is arranged at the top of the supporting plate 2 and comprises a fixed seat 301, and the fixed seat 301 is in threaded connection with the top of the supporting plate 2 through a threaded rod 302; the rotating mechanism is arranged on the base 1 and comprises a motor chamber 401, and the motor chamber 401 is arranged inside the base 1; the disk cavity heat dissipation mechanism is arranged on the side face of the supporting plate 2 and comprises a shaft rod 501, and the shaft rod 501 is symmetrically and rotatably connected to the two supporting plates 2.

The disc top heating mechanism further comprises an expansion link 303 and a top plate 304, the expansion link 303 is fixedly connected to the top of the fixing base 301, the top plate 304 is fixedly connected between the tops of the two expansion links 303, and the heater 305 is arranged on the top plate 304.

The heating intensity of the turbine disk 409 can be controlled by the cooperation between the telescopic rod 303 and the heater 305.

The rotating mechanism further comprises a motor 402, a vertical rod 403 and a baffle 404, the motor 402 is arranged in the motor chamber 401, the vertical rod 403 is rotatably connected to the base 1, first rotating wheels 405 are fixedly connected to an output shaft of the motor 402 and the vertical rod 403, the two first rotating wheels 405 are linked through a first belt 406, the baffle 404 is fixedly connected to the vertical rod 403, and the baffle 404 is rotatably connected to the base 1.

The vertical rod 403 can be driven to rotate by the motor 402, so as to drive the turbine disc 409 to rotate.

The top end of the vertical rod 403 extends to the upper side of the base 1, the top end of the vertical rod 403 is fixedly connected with a driving bevel gear 407, the vertical rod 403 is fixedly connected with a first fan blade 408 located above the driving bevel gear 407, the top of the vertical rod 403 is fixedly connected with a turbine disc 409, and the turbine disc 409 is located right below the heater 305.

The disc cavity heat dissipation mechanism further comprises a rotating shaft 502 and a driven bevel gear 503, the rotating shaft 502 is symmetrically connected to the two support plates 2 in a rotating mode, the driven bevel gear 503 is fixedly connected to one end of the shaft rod 501, the two driven bevel gears 503 are respectively meshed with the driving bevel gear 407, a second rotating wheel 504 is fixedly connected to the shaft rod 501, a third rotating wheel 505 is fixedly connected to the rotating shaft 502, the second rotating wheel 504 and the third rotating wheel 505 on the same side are linked through a second belt 506, and a second fan blade 507 is fixedly connected to one end of the rotating shaft 502.

The turbine disk 409 rotates to finally drive the driving bevel gear 407 to rotate, so as to drive the driven bevel gear 503 to rotate, and drive the first fan blade 408 and the second fan blade 507 to rotate, thereby realizing heat dissipation.

One specific application of this embodiment is: the telescopic rod 303 is used for driving the top plate 304 to lift, so that the heater 305 is driven to lift, the distance between the heater 305 and the turbine disc 409 is adjusted, and the heating intensity is adjusted;

when the motor 402 is turned on, the motor 402 drives the first right-side rotating wheel 405 to rotate, and the vertical rod 403 is driven to rotate through the linkage of the first belt 406, so that the turbine disc 409 is driven to rotate, and the first fan blade 408 is driven to rotate;

meanwhile, the vertical rod 403 rotates to drive the driving bevel gear 407 to rotate and the driven bevel gear 503 to rotate, so as to drive the shaft lever 501 to rotate, and the second belt 506 is linked to drive the rotating shaft 502 to rotate, so as to drive the second fan blade 507 to rotate, thereby realizing heat dissipation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an engine dish chamber heat transfer test device that flows, includes base (1), the top symmetry rigid coupling of base (1) has backup pad (2), its characterized in that: the disc-top heating mechanism, the rotating mechanism and the disc cavity heat dissipation mechanism are also included;

the disc top heating mechanism is arranged at the top of the supporting plate (2), the disc top heating mechanism comprises a fixed seat (301), and the fixed seat (301) is in threaded connection with the top of the supporting plate (2) through a threaded rod (302);

the rotating mechanism is arranged on the base (1) and comprises a motor chamber (401), and the motor chamber (401) is arranged inside the base (1);

the disc cavity heat dissipation mechanism is arranged on the side face of the supporting plate (2), the disc cavity heat dissipation mechanism comprises a shaft rod (501), and the shaft rod (501) is symmetrically and rotatably connected to the two supporting plates (2).

2. The engine disc cavity flow heat exchange test device of claim 1, wherein: the dish top heating mechanism further comprises a telescopic rod (303) and a top plate (304), wherein the telescopic rod (303) is fixedly connected to the top of the fixed seat (301), the top plate (304) is fixedly connected between the tops of the two telescopic rods (303), and the top plate (304) is provided with a heater (305).

3. The engine disc cavity flow heat exchange test device of claim 1, wherein: slewing mechanism still includes motor (402), montant (403) and baffle (404), motor (402) are located in motor room (401), montant (403) rotate to be connected on base (1), and equal rigid coupling has first runner (405) on the output shaft of motor (402) and montant (403), two link through first belt (406) between first runner (405), baffle (404) rigid coupling is on montant (403), and baffle (404) rotate to be connected in base (1).

4. The engine disc cavity flow heat exchange test device of claim 3, wherein: the top of montant (403) extends to the top of base (1), and the top rigid coupling of montant (403) has drive bevel gear (407), and the rigid coupling has first flabellum (408) that are located drive bevel gear (407) top on montant (403), and the top rigid coupling of montant (403) has turbine dish (409), turbine dish (409) are located heater (305) under.

5. The engine disc cavity flow heat exchange test device of claim 1, wherein: the disc cavity heat dissipation mechanism further comprises a rotating shaft (502) and driven bevel gears (503), the rotating shaft (502) is symmetrically connected to the two supporting plates (2) in a rotating mode, the driven bevel gears (503) are fixedly connected to one end of the shaft rod (501), the two driven bevel gears (503) are respectively meshed with the driving bevel gears (407), the shaft rod (501) is fixedly connected with second rotating wheels (504), the rotating shaft (502) is fixedly connected with third rotating wheels (505), the second rotating wheels (504) and the third rotating wheels (505) are in linkage through second belts (506) on the same side, and second fan blades (507) are fixedly connected to one end of the rotating shaft (502).