Inlet guide vane adjusting mechanism of high-pressure fan

Abstract

The utility model provides an inlet guide vane adjusting mechanism of a high-pressure fan, which solves the technical problem that a single vane possibly deflects after the existing inlet guide vane adjusting mechanism is used for a long time, and the vane needs to be independently detached and remounted at the moment. A second connecting ring is mounted on the upper surface of the first connecting ring, a rotating mechanism is mounted on the surface of the second connecting ring and comprises a first connecting shaft, the end of the first connecting shaft is fixedly connected with the surface of the first connecting ring, a first connecting block is movably connected to the surface of the first connecting shaft, and the second connecting shaft is mounted in the first connecting block. The tail end of the second connecting shaft is fixedly connected with a blade, the surface of the second connecting shaft is fixedly connected with a fourth connecting ring, and the upper surface of the fourth connecting ring is fixedly connected with a pointer, the high-pressure fan angle adjusting device can be widely applied to the technical field of high-pressure fans, the fourth connecting ring can be easily rotated to adjust the angle of the blade, and operation is simple and effortless.

Description

TECHNICAL FIELD

[0001] The utility model relates to a guide vane adjusting mechanism, especially to an inlet guide vane adjusting mechanism of high pressure fan. BACKGROUND

[0002] The inlet guide vane adjusting mechanism of high pressure fan is a key device for adjusting the performance of fan, which controls the flow, pressure and efficiency of fan by changing the angle of inlet guide vane. This adjusting mechanism is widely used in high pressure fan, which can significantly improve the running flexibility and energy efficiency of fan.

[0003] The common inlet guide vane adjusting mechanism of high pressure fan on the market is used, because the blade often bears high-speed wind force in the process of using the device, so after using for a long time, the single blade may be deflected, at this time, the blade needs to be individually disassembled and reinstalled, which is time-consuming and labor-consuming, and reduces the practicability of the device. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the technical insufficiency, provides an inlet guide vane adjusting mechanism of high pressure fan.

[0005] Therefore, the utility model provides an inlet guide vane adjusting mechanism of high pressure fan, including the main part, the main part includes the first connecting ring, the upper surface of first connecting ring is installed with the second connecting ring, the surface of second connecting ring is installed with the rotating mechanism, the rotating mechanism includes the first connecting shaft, the end of first connecting shaft is fixedly connected with the surface of second connecting ring, the surface of first connecting shaft is movably connected with the first connecting block, the inner wall of first connecting block is installed with the adjusting mechanism, the adjusting mechanism includes the second connecting shaft, the second connecting shaft is movably connected in the inside of first connecting block, the tail end of second connecting shaft is fixedly connected with the blade, the surface of second connecting shaft is fixedly connected with the fourth connecting ring, the upper surface of fourth connecting ring is fixedly connected with the pointer.

[0006] Preferably, the inner wall of the second connecting ring is provided with a connecting mechanism, the connecting mechanism includes a third connecting ring, the surface of the third connecting ring is fixedly connected with the inner wall of the second connecting ring, a third groove is formed in the surface of the third connecting ring, a plurality of rolling balls are arranged in the third groove, a first groove is formed in the inner wall of the first connecting ring, and a second groove is formed in the surface of the first connecting ring.

[0007] Preferably, a first through hole is formed in the surface of the first connecting ring, a third through hole is formed in the surface of the first connecting block, a second through hole is formed in the surface of the first connecting block, the second through hole is located above the third through hole, the tail end of the second connecting shaft extends to the outside of the first connecting ring through the first through hole, and the surface of the second connecting shaft is attached to the inner wall of the third through hole.

[0008] Preferably, the surface of the first connecting shaft is provided with a fourth groove, and the surface of the first connecting shaft movably connects with a rotating block, and the inner wall of the rotating block is fixedly connected with a limiting ring, and the limiting ring is located in the fourth groove.

[0009] Preferably, the surface of the second connecting ring is provided with a telescopic mechanism, the telescopic mechanism comprises a fifth connecting ring, the inner wall of the fifth connecting ring is fixedly connected with the outer wall of the second connecting ring, and the surface of the first connecting ring is fixedly connected with a second connecting block.

[0010] Preferably, the right surface of the second connecting block is fixedly connected with a gas cylinder, the tail end of the gas cylinder is fixedly connected with a third connecting block, the surface of the third connecting block movably connects with a third connecting shaft, the tail end of the third connecting shaft movably connects with a fourth connecting block, the lower surface of the fourth connecting block movably connects with the upper surface of the fifth connecting ring, the surface of the fourth connecting block movably connects with a connecting rod, the surface of the connecting rod is provided with a fourth connecting shaft, and the tail end of the fourth connecting shaft is fixedly connected with the upper surface of the fifth connecting ring through the connecting rod.

[0011] The utility model provides a kind of inlet guide vane adjusting mechanism of high pressure fan, with following beneficial effects:

[0012] (1) in use, when the initial angle of single needs to be adjusted, rotating block on the first connecting shaft can be rotated to correspond to the second through hole opened on the first connecting block, at this time, the first connecting block can be removed from the first connecting shaft and the second connecting shaft, the fourth connecting ring fixedly connected with the surface of the second connecting shaft is rotated, so that the pointer fixedly connected with the surface of the fourth connecting ring is aligned with the original point in the second groove opened on the surface of the first connecting ring, and then the first connecting block is installed back to the original position, so that the angle of the blade can be easily corrected without disassembling and reassembling the blade, compared with the conventional device, since the blade often bears high-speed wind force during use, after a long time of use, the single blade may be deflected, at this time, the blade needs to be disassembled and reassembled, which is time-consuming and labor-consuming, and reduces the practicability of the device, the device can easily remove the first connecting block during use, rotate the fourth connecting ring to adjust the angle of the blade, which is simple and labor-saving, and improves the practicability of the device.

[0013] (2) in use, the surface of the fourth connecting block movably connects with a connecting rod, the surface of the fifth connecting ring is fixedly connected with a fourth connecting shaft, and the fourth connecting shaft passes through the connecting rod and movably connects with the connecting rod, there is one connecting rod on both sides of the fourth connecting block to connect the fifth connecting ring and the fourth connecting block, which reinforces the telescopic mechanism and prevents it from breaking, thereby prolonging the service life of the device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the first view angle overall structure schematic diagram of embodiment 1 of the utility model;

[0015] Figure 2 is the section view of embodiment 1 of the utility model;

[0016] Figure 3 is the A place structure of embodiment 1 of the utility model enlarged view; Figure 2

[0017] Figure 4 is the second view angle overall structure schematic left view of embodiment 2 of the utility model;

[0018] Figure 5 is the B place structure of embodiment 2 of the utility model enlarged; Figure 4

[0019] Mark in the drawing: 1, main body;101, first connecting ring;102, second connecting ring;103, first through hole;104, first recess;105, second recess;2, connecting mechanism;201, third connecting ring;202, third recess;203, ball;3, rotating mechanism;301, first connecting shaft;302, fourth recess;303, rotating block;304, limit ring;305, first connecting block;306, second through hole;307, third through hole;4, adjusting mechanism;401, second connecting shaft;402, vane;403, fourth connecting ring;404, pointer;5, telescopic mechanism;501, fifth connecting ring;502, second connecting block;503, air cylinder;504, third connecting block;505, third connecting shaft;506, fourth connecting block;507, fourth connecting shaft;508, connecting rod. DETAILED DESCRIPTION

[0020] The utility model will be further explained in conjunction with the drawings and specific embodiment, to help understanding the content of the utility model.The method used in the utility model is conventional method if no special provision, and the raw material and device used are conventional market product if no special provision.

[0021] Embodiment 1:

[0022] by Figures 1-3 ​​The utility model provides a kind of inlet guide vane adjusting mechanism of high pressure fan, including main body 1, main body 1 includes first connecting ring 101, the upper surface of first connecting ring 101 is equipped with second connecting ring 102, the surface of second connecting ring 102 is equipped with rotating mechanism 3, rotating mechanism 3 includes first connecting shaft 301, the end of first connecting shaft 301 is fixedly connected with the surface of second connecting ring 102, the surface of first connecting shaft 301 is movably connected with first connecting block 305, the inner wall of first connecting block 305 is equipped with adjusting mechanism 4, adjusting mechanism 4 includes second connecting shaft 401, second connecting shaft 401 is movably connected in the inside of first connecting block 305, the end of second connecting shaft 401 is fixedly connected with blade 402, the surface of second connecting shaft 401 is fixedly connected with fourth connecting ring 403, the upper surface of fourth connecting ring 403 is fixedly connected with pointer 404, rotating the fourth connecting ring 403 fixedly on the surface of second connecting shaft 401, so that the pointer 404 fixedly on the surface of fourth connecting ring 403 is aligned with the origin in the second recess 105 opened on the surface of first connecting ring 101, the angle of blade 402 can be easily corrected.

[0023] Example 2:

[0024] By Figures 1-5The utility model provides a kind of inlet guide vane adjusting mechanism of high pressure fan, the inner wall of second connecting ring 102 is equipped with connecting mechanism 2, connecting mechanism 2 includes third connecting ring 201, the surface of third connecting ring 201 is fixedly connected with the inner wall of second connecting ring 102, the surface of third connecting ring 201 is equipped with third recess 202, ball 203 is installed in third recess 202, the inner wall of first connecting ring 101 is equipped with first recess 104, the surface of first connecting ring 101 is equipped with second recess 105, the surface of first connecting ring 101 is equipped with first through-hole 103, the surface of first connecting block 305 is equipped with third through-hole 307, the surface of first connecting block 305 is equipped with second through-hole 306, second through-hole 306 is located above third through-hole 307, the end of second connecting shaft 401 extends to the outside of first connecting ring 101 by first through-hole 103, the surface of second connecting shaft 401 is attached with the inner wall of third through-hole 307, the surface of first connecting shaft 301 is equipped with fourth recess 302, the surface of first connecting shaft 301 is movably connected with rotating block 303, the inner wall of rotating block 303 is fixedly connected with limit ring 304, limit ring 304 is located in the inside of fourth recess 302, the surface of second connecting ring 102 is equipped with telescopic mechanism 5, telescopic mechanism 5 includes fifth connecting ring 501, the inner wall of fifth connecting ring 501 is fixedly connected with the outer wall of second connecting ring 102, the surface of first connecting ring 101 is fixedly connected with second connecting block 502, the right surface of second connecting block 502 is fixedly connected with cylinder 503, the end of cylinder 503 is fixedly connected with third connecting block 504, the surface of third connecting block 504 is movably connected with third connecting shaft 505, the end of third connecting shaft 505 is movably connected with fourth connecting block 506, the lower surface of fourth connecting block 506 is movably connected with the upper surface of fifth connecting ring 501, the surface of fourth connecting block 506 is movably connected with connecting rod 508, the surface of connecting rod 508 is equipped with fourth connecting shaft 507, the end of fourth connecting shaft 507 is fixedly connected with the upper surface of fifth connecting ring 501 by connecting rod 508, there is a connecting rod 508 on the two sides of fourth connecting block 506 respectively, connecting fifth connecting ring 501 and fourth connecting block 506, reinforcing telescopic mechanism 5, prevent fracture.

[0025] Working principle: when the initial angle of the single blade 402 needs to be adjusted, the rotating block 303 on the first connecting shaft 301 can be rotated to correspond to the second through hole 306 opened on the first connecting block 305, at this time, the first connecting block 305 can be removed from the first connecting shaft 301 and the second connecting shaft 401, the fourth connecting ring 403 fixed on the surface of the second connecting shaft 401 is rotated, so that the pointer 404 fixed on the surface of the fourth connecting ring 403 is aligned with the original point in the second groove 105 opened on the surface of the first connecting ring 101, and then the first connecting block 305 is installed back to the original position, so that the angle of the blade 402 can be easily corrected, without disassembling and reassembling the blade 402, the fourth connecting block 506 is movably connected with the connecting rod 508, the fourth connecting shaft 507 is fixedly connected to the surface of the fifth connecting ring 501, and the fourth connecting shaft 507 is movably connected with the connecting rod 508, there are two connecting rods 508 on both sides of the fourth connecting block 506, the fifth connecting ring 501 is connected with the fourth connecting block 506, the telescopic mechanism 5 is reinforced to prevent breakage, and the service life of the device is improved.

[0026] In the description of the utility model, it is understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, structure and operation, therefore it cannot be understood as a limitation on the utility model.

[0027] The above-mentioned is only a specific embodiment of the utility model, and cannot limit the scope of the utility model, so the replacement of equivalent components or equivalent changes and modifications made according to the utility model patent protection range should still belong to the scope covered by the claims of the utility model.

Claims

1. An inlet guide vane adjustment mechanism of a high pressure fan comprising a main body (1), characterized in that, The body (1) includes a first connecting ring (101), the upper surface of the first connecting ring (101) is installed with a second connecting ring (102), the surface of the second connecting ring (102) is installed with a rotating mechanism (3), the rotating mechanism (3) includes a first connecting shaft (301), the end of the first connecting shaft (301) is fixedly connected with the surface of the second connecting ring (102), the surface of the first connecting shaft (301) is movably connected with a first connecting block (305), the inner wall of the first connecting block (305) is installed with an adjusting mechanism (4), the adjusting mechanism (4) includes a second connecting shaft (401), the second connecting shaft (401) is movably connected in the interior of the first connecting block (305), the tail end of the second connecting shaft (401) is fixedly connected with a blade (402), the surface of the second connecting shaft (401) is fixedly connected with a fourth connecting ring (403), the upper surface of the fourth connecting ring (403) is fixedly connected with a pointer (404).

2. A mechanism for adjusting the inlet guide vanes of a high pressure fan according to claim 1, characterized in that The inner wall of the second connecting ring (102) is installed with a connecting mechanism (2), the connecting mechanism (2) includes a third connecting ring (201), the surface of the third connecting ring (201) is fixedly connected with the inner wall of the second connecting ring (102), the surface of the third connecting ring (201) is provided with a third groove (202), the interior of the third groove (202) is installed with a ball (203), the inner wall of the first connecting ring (101) is provided with a first groove (104), the surface of the first connecting ring (101) is provided with a second groove (105).

3. The inlet guide vane adjustment mechanism of a high pressure fan according to claim 1, wherein The surface of the first connecting ring (101) is provided with a first through hole (103), the surface of the first connecting block (305) is provided with a third through hole (307), the surface of the first connecting block (305) is provided with a second through hole (306), the second through hole (306) is located above the third through hole (307), the tail end of the second connecting shaft (401) extends to the outside of the first connecting ring (101) through the first through hole (103), the surface of the second connecting shaft (401) is fitted with the inner wall of the third through hole (307).

4. The inlet guide vane adjustment mechanism of a high pressure fan according to claim 1, characterized by The surface of the first connecting shaft (301) is provided with a fourth groove (302), the surface of the first connecting shaft (301) is movably connected with a rotating block (303), the inner wall of the rotating block (303) is fixedly connected with a limiting ring (304), the limiting ring (304) is located in the interior of the fourth groove (302).

5. The inlet guide vane adjustment mechanism of a high pressure fan according to claim 1, wherein The surface of the second connecting ring (102) is installed with a telescopic mechanism (5), the telescopic mechanism (5) includes a fifth connecting ring (501), the inner wall of the fifth connecting ring (501) is fixedly connected with the outer wall of the second connecting ring (102), the surface of the first connecting ring (101) is fixedly connected with a second connecting block (502).

6. A mechanism for adjusting the inlet guide vanes of a high pressure fan according to claim 5, characterized in that The right side surface of the second connecting block (502) is fixedly connected with a gas cylinder (503), the tail end of the gas cylinder (503) is fixedly connected with a third connecting block (504), the surface of the third connecting block (504) is movably connected with a third connecting shaft (505), the tail end of the third connecting shaft (505) is movably connected with a fourth connecting block (506), the lower surface of the fourth connecting block (506) is movably connected with the upper surface of the fifth connecting ring (501), the surface of the fourth connecting block (506) is movably connected with a connecting rod (508), the surface of the connecting rod (508) is provided with a fourth connecting shaft (507), and the tail end of the fourth connecting shaft (507) penetrates through the connecting rod (508) and is fixedly connected with the upper surface of the fifth connecting ring (501).

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