Non-uniformly distributed blade guider and method for reducing excitation amplitude thereof
By using limiting and lubrication devices in the heterogeneous blade guide, the screw loosening problem caused by centrifugal force is solved, the stability and efficiency of the guide are improved, and the normal operation and convenient maintenance of the guide are ensured.
Patent Information
- Application Number
- CN202411524381.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-01-17
AI Technical Summary
The existing non-uniform vane guides are loosened due to centrifugal force when rotating at high speed, causing the screws to shake or fall off at the connection between the guide and the air intake device, affecting normal use.
The limiting device and lubrication device are adopted to ensure the stable connection of the guide body through the limiting reinforcement and lubrication of screws and screw holes, and reduce the impact of centrifugal force on the screws. The limiting device includes a guide rod, a pressing plate, a screw and a sleeve rod, which completes the limiting reinforcement of the screws through manual operation; the lubrication device realizes the lubrication of the screws through sponge blocks and round through holes.
It improves the installation stability and working efficiency of the guide, reduces the loosening and falling off of the screws due to centrifugal force, and ensures the normal use and maintenance of the guide.
Smart Images
Figure CN119321352A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of blade guides, and in particular to a non-uniformly distributed blade guide and a method for reducing an excitation amplitude thereof. Background Art
[0002] The guide vane in the air turbine starter is installed in front of the turbine rotor to change the direction and speed of the intake air so that the airflow enters the turbine rotor at a certain angle to perform work. The airflow at the trailing edge of the guide vane exerts an exciting force on the turbine rotor. The number and arrangement of the blades will determine the intensity of the wake excitation of the guide vane, which in turn affects the vibration characteristics of the air turbine starter during operation.
[0003] The inventors have found in their daily work that the existing non-uniform blade guides are mostly used to connect the guides to the corresponding positions on the external air intake device through screw holes and screw holes during use. Then the airflow passes through the air intake device in a direction perpendicular to the paper and outward, and enters the multiple blade plate flow channels of the guide to achieve the guiding effect on the airflow. At the same time, the angles between each two adjacent blades are different. According to the calculation of the turbine vibration characteristics of a certain type of air turbine starter, the non-uniform blade guide has a 47% lower excitation amplitude on the turbine rotor than the uniform blade guide, reducing the harm of the resonance frequency to the turbine rotor.
[0004] However, since the guide will generate strong centrifugal force due to high-speed rotation when in use, the bolts may become loose due to long-term influence of the centrifugal force, causing the connection between the guide and the air intake device to shake or completely fall off, affecting the normal use of the guide. Summary of the invention
[0005] The purpose of the present invention is to solve the shortcomings existing in the prior art and to propose a non-uniformly distributed blade guide and a method for reducing the excitation amplitude thereof.
[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a non-uniformly distributed blade guide, comprising a guide body, a plurality of blade plates are arranged on one side of the guide body, the angles of the plurality of blade plates are different, a mounting edge is arranged on one side of the guide body, a threaded hole is opened on one side of the mounting edge, a screw hole is opened on one side of the mounting edge, a flow channel ring is arranged on one side of the guide body, a limiting device is arranged on one side of the mounting edge, the limiting device comprises two guide rods and a pressure plate, a lubrication device is arranged on one side of the pressure plate, and the two guide rods are provided with a plurality of blade plates. The rods are fixedly connected to one side of the mounting edge close to the threaded hole, and one end of the two guide rods away from the mounting edge is fixedly connected to a screw hole rod, the inner wall of the screw hole rod is threadedly connected to a screw, and one end of the screw is rotatably connected to a sleeve rod, and the sleeve rod is sleeved on the surfaces of the two guide rods, the surface of one of the guide rods is sleeved with a first rotating rod, and the surface of the other guide rod is sleeved with a second rotating rod, the surface of the sleeve rod is larger than the inner walls of the first rotating rod and the second rotating rod, and a round shaft is fixedly connected to one side of the pressure plate, and the surface of the round shaft is rotatably connected to the inner wall of the first rotating rod.
[0007] The effect achieved by the above components is: by setting the limit device, first, the guide body is connected to the external air intake device by screws passing through the threaded hole and the inside of the screw hole, and the pressure plate is manually moved at this time, so that the pressure plate drives the first rotating rod to move through the circular shaft, so that the first rotating rod rotates along the surface of the guide rod, and when the pressure plate moves to a position above the screw, the pressure plate completely covers the surface of the screw, and the second rotating rod is manually moved at this time, so that the second rotating rod rotates along the surface of another guide rod, and when the second rotating rod rotates to a position above the pressure plate, the screw is rotated by an auxiliary tool, so that the screw moves up and down along the inside of the screw hole rod, so that the screw drives the sleeve rod along the two guide rod surfaces to approach the first guide rod surface. When the guide rod is moved to the position of squeezing the surface of the first and second rotating rods, the first and second rotating rods move simultaneously along the surface of the guide rod toward the direction close to the pressure plate, so that the first rotating rod cooperates with the second rotating rod to squeeze the pressure plate simultaneously, so that the pressure plate moves toward the direction close to the screw, and when the pressure plate moves to the position of squeezing the surface of the screw, the screw is limited and reinforced, which reduces the loosening of the screw due to the centrifugal force generated by the rotation when the guide body is used for a long time, causing the guide body to shake or fall off, affecting the normal use of the guide body, and improves the installation stability and working efficiency of the guide body.
[0008] Preferably, a latch is slidably connected to the inner wall of the second rotating rod away from the guide rod, a first spring is sleeved on the surface of the latch, one end of the first spring is fixedly connected to the latch, and the other end of the first spring is fixedly connected to the second rotating rod, a circular groove is provided on one side of the pressure plate, and the surface size and shape of the latch are matched with the size and shape of the inner wall of the circular groove.
[0009] The effect achieved by the above-mentioned components is: by setting the latch, when the pressure plate moves to the position where the inner wall of the circular groove coincides with the inner wall of the second rotating rod on the side away from the guide rod, under the reaction force of the first spring, the first spring drives the latch to move in the direction close to the pressure plate, and when the latch moves to the position inserted into the inner part of the circular groove, the position of the pressure plate is fixed, which reduces the rotation of the pressure plate when the second rotating rod squeezes the pressure plate, and at the same time reduces the separation of the second rotating rod from the surface of the pressure plate when squeezing the pressure plate, thereby improving the squeezing stability of the first rotating rod and the second rotating rod on the pressure plate.
[0010] Preferably, one end of the latch is fixedly connected to a plurality of anti-slip sheets, and the plurality of anti-slip sheets are arranged at equal distances.
[0011] The effect achieved by the above components is: by providing the anti-slip sheet, the anti-slip sheet can increase the friction between the hand and the surface of the bolt, reduce the hand slipping when manually moving the bolt, and further improve the stability when manually plugging and unplugging the bolt.
[0012] Preferably, a plurality of rubber pads are fixedly connected to a side of the sleeve rod away from the screw hole rod, and the surface of the rubber pads is arc-shaped.
[0013] The effect achieved by the above components is: by arranging the rubber pad, the rubber pad can separate the sleeve rod from the surfaces of the first rotating rod and the second rotating rod, thereby reducing the situation where the sleeve rod squeezes the surfaces of the first rotating rod and the second rotating rod and causes significant wear to their surfaces.
[0014] Preferably, an auxiliary groove is opened on one side of the pressing plate, and a plurality of protrusions are fixedly connected to the inner wall of the auxiliary groove.
[0015] The effect achieved by the above components is: by setting the auxiliary groove, the pressure plate can wrap the surface of the screw under the action of the auxiliary groove, and use the inner wall of the auxiliary groove to assist in limiting the screw, while improving the contact stability between the pressure plate and the screw.
[0016] Preferably, the lubrication device includes a circular through hole opened on one side of the pressure plate, a cylinder is fixedly connected to the side of the pressure plate close to the circular through hole, the cylinder wraps the circular through hole, a sponge block is fixedly connected to the inner wall of the cylinder, a liquid storage tank is opened on one side of the sponge block, a round rod is slidably connected to the inner wall of the cylinder, a second spring is sleeved on the surface of the round rod, one end of the second spring is fixedly connected to the round rod, and the other end of the second spring is fixedly connected to the cylinder, one end of the round rod is fixedly connected to a circular plate, the surface of the circular plate is slidably connected to the inner wall of the cylinder, a circular tube is fixedly connected to one side of the cylinder, the cylinder is located inside the liquid storage tank, and the inner wall of the circular plate is slidably connected to the surface of the circular tube.
[0017] The effect achieved by the above-mentioned components is as follows: by setting up a lubrication device, the lubricant is first injected into the liquid storage tank through the round tube, so that the sponge block absorbs the lubricant inside the liquid storage tank, and when the screw needs to be lubricated, the round rod is manually pressed to make the round rod move up and down along the inside of the cylinder, so that the round rod drives the round plate to move along the inside of the cylinder toward the sponge block, so that the round plate squeezes the surface of the sponge block and compresses the sponge block, so that the lubricant absorbed by the sponge block is squeezed out and discharged through the round through hole, so that the lubricant is discharged through the round through hole and falls on the surface of the screw covered by the pressure plate, completing the lubrication of the screw, reducing the rust on the surface of the screw after long-term use, resulting in greater resistance at the connection between the screw and the hole, affecting the convenience of personnel in later disassembly of the guide body, and improving the convenience and efficiency of maintaining the screw connection.
[0018] Preferably, the surface of the circular tube is covered with a rubber sleeve, and the inner wall of the rubber sleeve is provided with a plurality of anti-slip protrusions.
[0019] The effect achieved by the above components is: by arranging the rubber sleeve, the rubber sleeve can be sleeved on the surface of the round tube and intercept the lubricant inside the cylinder, thereby reducing the situation where the lubricant splashes out of the cylinder through the round tube.
[0020] Preferably, a method for reducing the excitation amplitude of a non-uniformly distributed blade guide comprises the following steps: S1. First, the guide body is connected to the external air intake device to change the direction and speed of the intake air flow, so that the air flow enters the turbine rotor component at a specific angle.
[0021] S2. Then, non-uniformly distributed blade plates are arranged around the guide vane to disperse the wake excitation frequency, reduce the wake excitation amplitude, reduce the wake excitation on the turbine rotor at the resonant frequency, and reduce the risk of structural damage caused by turbine rotor resonance.
[0022] Compared with the prior art, the advantages and positive effects of the present invention are: In the present invention, a limiting device is provided to limit and reinforce the screws used for installing the guide body and the external air intake device, thereby reducing the possibility that the screws will loosen due to the centrifugal force generated by the rotation of the guide body when the guide body is used for a long time, causing the guide body to shake or fall off, thereby affecting the normal use of the guide body, and improving the installation stability and working efficiency of the guide body. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 A three-dimensional structural schematic diagram of a non-uniformly distributed blade guide and a method for reducing the excitation amplitude thereof proposed by the present invention; Figure 2 A top view of a guide body in a non-uniformly distributed blade guide and a method for reducing excitation amplitude thereof proposed by the present invention; Figure 3 The present invention proposes a non-uniform blade guide and a method for reducing the excitation amplitude thereof. Figure 1 Schematic diagram of the local structure; Figure 4 A schematic diagram of the partial structure of a guide rod in a non-uniformly distributed blade guide and a method for reducing the excitation amplitude thereof proposed by the present invention; Figure 5 A schematic diagram of the partial structure of a latch in a non-uniformly distributed blade guide and a method for reducing excitation amplitude thereof proposed by the present invention; Figure 6 A partial cross-sectional view of a pressure plate in a method for reducing excitation amplitude and a non-uniformly distributed blade guide proposed by the present invention; Figure 7 The present invention provides a partial cross-sectional view of a cylinder in a method for reducing excitation amplitude and a non-uniformly distributed blade guide.
[0024] Legend: 1. Guide body; 2. Blade plate; 3. Threaded hole; 4. Screw hole; 5. Mounting edge; 6. Flow channel ring; 7. Limiting device; 71. Guide rod; 72. Screw hole rod; 73. Screw rod; 74. Sleeve rod; 75. Rubber pad; 76. First rotating rod; 77. Round shaft; 78. Pressure plate; 79. Round groove; 710. Auxiliary groove; 711. Second rotating rod; 712. Latch; 713. First spring; 714. Anti-slip sheet; 8. Lubricating device; 81. Round through hole; 82. Cylinder; 83. Round rod; 84. Second spring; 85. Round plate; 86. Sponge block; 87. Liquid storage tank; 88. Round tube; 89. Rubber sleeve. DETAILED DESCRIPTION
[0025] Reference Figure 1-7As shown, the present embodiment discloses a non-uniformly distributed blade guide, comprising a guide body 1, a plurality of blade plates 2 are arranged on one side of the guide body 1, the angles of the plurality of blade plates 2 are different, a mounting edge 5 is arranged on one side of the guide body 1, a threaded hole 3 is opened on one side of the mounting edge 5, a screw hole 4 is opened on one side of the mounting edge 5, a flow channel ring 6 is arranged on one side of the guide body 1, a limiting device 7 is arranged on one side of the mounting edge 5, the limiting device 7 comprises two guide rods 71 and a pressure plate 78, a lubrication device 8 is arranged on one side of the pressure plate 78, the two guide rods 71 are fixedly connected to one side of the mounting edge 5 close to the threaded hole 3, and the ends of the two guide rods 71 away from the mounting edge 5 are fixedly connected to the screw hole rods The inner wall of the screw hole rod 72 is threadedly connected with a screw rod 73, and one end of the screw hole rod 73 is rotatably connected with a sleeve rod 74, which is sleeved on the surfaces of the two guide rods 71, and the surface of one guide rod 71 is sleeved with a first rotating rod 76, and the surface of the other guide rod 71 is sleeved with a second rotating rod 711. The surface of the sleeve rod 74 is larger than the inner walls of the first rotating rod 76 and the second rotating rod 711. A round shaft 77 is fixedly connected to one side of the pressure plate 78, and the surface of the round shaft 77 is rotatably connected to the inner wall of the first rotating rod 76. By setting the limit device 7, first, the guide body 1 is connected to the external air intake device by screws passing through the threaded hole 3 and the screw hole 4, and then the pressure plate 78 is manually moved. The pressing plate 78 drives the first rotating rod 76 to move through the circular shaft 77, so that the first rotating rod 76 rotates along the surface of the guide rod 71. When the pressing plate 78 moves to a position above the screw, the pressing plate 78 completely covers the surface of the screw. At this time, the second rotating rod 711 is manually moved so that the second rotating rod 711 rotates along the surface of another guide rod 71. When the second rotating rod 711 rotates to a position above the pressing plate 78, the screw 73 is rotated by an auxiliary tool so that the screw 73 moves up and down along the inside of the screw hole rod 72, so that the screw 73 drives the sleeve rod 74 to move along the surfaces of the two guide rods 71 in a direction close to the first rotating rod 76 and the second rotating rod 711. When the sleeve rod 74 moves to the extrusion When the first rotating rod 76 and the second rotating rod 711 are in the surface position, the first rotating rod 76 and the second rotating rod 711 move simultaneously along the surface of the guide rod 71 toward the direction close to the pressure plate 78, so that the first rotating rod 76 cooperates with the second rotating rod 711 to squeeze the pressure plate 78 at the same time, so that the pressure plate 78 moves toward the direction close to the screw. When the pressure plate 78 moves to the surface position of squeezing the screw, the limit reinforcement of the screw is completed, which reduces the loosening of the screw due to the centrifugal force generated by the rotation when the guide body 1 is used for a long time, causing the guide body 1 to shake or fall off, affecting the normal use of the guide body 1, and improving the installation stability and working efficiency of the guide body 1.
[0026] Reference Figure 3-6When the locking cam 73 is in the unlocking state, the locking cam 73 is in the unlocking state, and the locking cam 73 is in the unlocking state. When the pin 712 moves to the position inserted into the circular groove 79, the position of the pressure plate 78 is fixed, which reduces the rotation of the pressure plate 78 when the second rotating rod 711 squeezes the pressure plate 78. At the same time, it can reduce the second rotating rod 711 from detaching from the surface of the pressure plate 78 when squeezing the pressure plate 78, thereby improving the squeezing stability of the first rotating rod 76 and the second rotating rod 711 on the pressure plate 78. One end of the pin 712 is fixedly connected to a plurality of anti-skid sheets 714, and the plurality of anti-skid sheets 714 are arranged at equal distances. By providing the anti-skid sheet 714, the anti-skid sheet 714 can increase the friction between the hand and the surface of the pin 712, reduce the hand slipping when the pin 712 is manually moved, and further improve the stability when the pin 712 is manually pulled out and inserted.
[0027] Reference Figure 3-6 As shown, the present embodiment discloses that a plurality of rubber pads 75 are fixedly connected to the side of the sleeve rod 74 away from the screw hole rod 72, and the surface of the rubber pad 75 is arc-shaped. By providing the rubber pad 75, the rubber pad 75 can separate the sleeve rod 74 from the surfaces of the first rotating rod 76 and the second rotating rod 711, thereby reducing the situation in which the sleeve rod 74 causes greater wear on the surfaces of the first rotating rod 76 and the second rotating rod 711 when squeezing the surfaces of the first rotating rod 76 and the second rotating rod 711. An auxiliary groove 710 is provided on one side of the pressure plate 78, and a plurality of protrusions are fixedly connected to the inner wall of the auxiliary groove 710. By providing the auxiliary groove 710, the pressure plate 78 can wrap the surface of the screw inside under the action of the auxiliary groove 710, and use the inner wall of the auxiliary groove 710 to assist in limiting the screw, and at the same time, the contact stability between the pressure plate 78 and the screw can be improved.
[0028] Reference Figure 6 and Figure 7As shown, the present embodiment discloses a lubricating device 8 including a round through hole 81 provided on one side of a pressing plate 78, a cylinder 82 is fixedly connected to one side of the pressing plate 78 close to the round through hole 81, the cylinder 82 wraps the round through hole 81, a sponge block 86 is fixedly connected to the inner wall of the cylinder 82, a liquid storage tank 87 is provided on one side of the sponge block 86, a round rod 83 is slidably connected to the inner wall of the cylinder 82, a second spring 84 is sleeved on the surface of the round rod 83, one end of the second spring 84 is fixedly connected to the round rod 83, the other end of the second spring 84 is fixedly connected to the cylinder 82, a round plate 85 is fixedly connected to one end of the round rod 83, the surface of the round plate 85 is slidably connected to the inner wall of the cylinder 82, a round tube 88 is fixedly connected to one side of the cylinder 82, the cylinder 82 is located inside the liquid storage tank 87, the inner wall of the round plate 85 is slidably connected to the surface of the round tube 88, by setting the lubricating device 8, first the lubricating The lubricant is injected into the liquid storage tank 87 through the circular tube 88, so that the sponge block 86 absorbs the lubricant inside the liquid storage tank 87. When the screw needs to be lubricated, the round rod 83 is manually pressed to make the round rod 83 move up and down along the inside of the cylinder 82, so that the round rod 83 drives the circular plate 85 to move along the inside of the cylinder 82 toward the sponge block 86, so that the circular plate 85 squeezes the surface of the sponge block 86 and compresses the sponge block 86, so that the lubricant absorbed by the sponge block 86 is squeezed out and discharged through the circular through hole 81, so that the lubricant is discharged through the circular through hole 81 and falls on the surface of the screw covered by the pressure plate 78, completing the lubrication of the screw, reducing the rust on the surface of the screw after long-term use, resulting in greater resistance at the connection between the screw and the hole, affecting the convenience of personnel in disassembling the guide body 1 later, and improving the convenience and efficiency of maintaining the screw connection.
[0029] Reference Figure 6 and Figure 7 As shown, this embodiment discloses that a rubber sleeve 89 is sleeved on the surface of the circular tube 88, and a plurality of anti-slip protrusions are provided on the inner wall of the rubber sleeve 89. By providing the rubber sleeve 89, the rubber sleeve 89 can be sleeved on the surface of the circular tube 88 and intercept the lubricant inside the cylinder 82, thereby reducing the situation where the lubricant splashes out of the cylinder 82 through the circular tube 88.
[0030] Working principle: First, the guide body is connected to the corresponding position on the external air intake device through screw holes and screws. Then the airflow passes through the air intake device in a direction perpendicular to the paper surface and enters the multiple blade plate flow channels of the guide body to achieve the guiding effect on the airflow.
[0031] First, the guide body is connected to the external air intake device by screws passing through the threaded holes and the inside of the screw holes. At this time, the pressure plate is manually moved so that the pressure plate drives the first rotating rod to move through the circular shaft, so that the first rotating rod rotates along the surface of the guide rod. When the pressure plate moves to a position above the screw, the pressure plate completely covers the surface of the screw. At this time, the second rotating rod is manually moved so that the second rotating rod rotates along the surface of another guide rod. When the second rotating rod rotates to a position above the pressure plate, the inner wall of the circular groove coincides with the inner wall of the second rotating rod away from the guide rod. At this time, under the reaction force of the first spring, the first spring drives the latch to move in a direction close to the pressure plate. When the pin moves to the position of being inserted into the internal circular groove, the position of the pressure plate is fixed. At this time, the screw rod is rotated by an auxiliary tool so that the screw rod moves up and down along the inside of the screw hole rod, so that the screw rod drives the sleeve rod to move along the surfaces of the two guide rods toward the direction close to the first rotating rod and the second rotating rod. When the sleeve rod moves to the position of extruding the surfaces of the first rotating rod and the second rotating rod, the first rotating rod and the second rotating rod simultaneously move along the surface of the guide rod toward the direction close to the pressure plate, so that the first rotating rod cooperates with the second rotating rod to squeeze the pressure plate at the same time, so that the pressure plate moves toward the direction close to the screw. When the pressure plate moves to the position of extruding the screw surface, the limit reinforcement of the screw is completed.
[0032] First, the lubricant is injected into the liquid storage tank through the round tube, so that the sponge block absorbs the lubricant inside the liquid storage tank. When the screw needs to be lubricated, the round rod is manually pressed to make the round rod move up and down along the inside of the cylinder, so that the round rod drives the round plate to move along the inside of the cylinder toward the sponge block, so that the round plate squeezes the surface of the sponge block and compresses the sponge block, so that the lubricant absorbed by the sponge block is squeezed out and discharged through the round through hole, so that the lubricant is discharged through the round through hole and falls on the surface of the screw covered by the pressure plate, thereby completing the lubrication of the screw.
[0033] The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms. Any technician familiar with the profession may use the above disclosed technical content to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the technical solution of the present invention still belongs to the protection scope of the technical solution of the present invention. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
Claims
1. A non-uniformly distributed blade guide, comprising a guide body (1), characterized in that: A plurality of blade plates (2) are arranged on one side of the guide body (1), and the angles of the plurality of blade plates (2) are different. A mounting edge (5) is arranged on one side of the guide body (1), and a threaded hole (3) is provided on one side of the mounting edge (5). A screw hole (4) is provided on one side of the mounting edge (5). A flow channel ring (6) is arranged on one side of the guide body (1), and a limiting device (7) is arranged on one side of the mounting edge (5). The limiting device (7) comprises two guide rods (71) and a pressure plate (78). A lubricating device (8) is arranged on one side of the pressure plate (78). The two guide rods (71) are fixedly connected to one side of the mounting edge (5) close to the threaded hole (3). The two guide rods (71) are fixedly connected to one side of the mounting edge (5) close to the threaded hole (3). The end of the guide rod (71) away from the mounting edge (5) is fixedly connected to a screw hole rod (72), the inner wall of the screw hole rod (72) is threadedly connected to a screw rod (73), one end of the screw rod (73) is rotatably connected to a sleeve rod (74), the sleeve rod (74) is sleeved on the surfaces of two guide rods (71), one of the surface of the guide rods (71) is sleeved with a first rotating rod (76), and the surface of the other guide rod (71) is sleeved with a second rotating rod (711), the surface of the sleeve rod (74) is larger than the inner walls of the first rotating rod (76) and the second rotating rod (711), and one side of the pressure plate (78) is fixedly connected to a round shaft (77), the surface of the round shaft (77) is rotatably connected to the inner wall of the first rotating rod (76).
2. The non-uniformly distributed blade guide according to claim 1, characterized in that: A latch (712) is slidably connected to the inner wall of the second rotating rod (711) away from the guide rod (71), and a first spring (713) is sleeved on the surface of the latch (712). One end of the first spring (713) is fixedly connected to the latch (712), and the other end of the first spring (713) is fixedly connected to the second rotating rod (711). A circular groove (79) is provided on one side of the pressure plate (78), and the surface size and shape of the latch (712) are adapted to the size and shape of the inner wall of the circular groove (79).
3. The non-uniformly distributed blade guide according to claim 2, characterized in that: One end of the latch (712) is fixedly connected to a plurality of anti-slip sheets (714), and the plurality of anti-slip sheets (714) are arranged at equal distances.
4. The non-uniformly distributed blade guide according to claim 1, characterized in that: A plurality of rubber pads (75) are fixedly connected to one side of the sleeve rod (74) away from the screw hole rod (72), and the surface of the rubber pads (75) is in an arc shape.
5. The non-uniformly distributed blade guide according to claim 1, characterized in that: An auxiliary groove (710) is provided on one side of the pressing plate (78), and a plurality of protrusions are fixedly connected to the inner wall of the auxiliary groove (710).
6. The non-uniformly distributed blade guide according to claim 1, characterized in that: The lubricating device (8) comprises a circular through hole (81) provided on one side of a pressure plate (78); a cylinder (82) is fixedly connected to one side of the pressure plate (78) close to the circular through hole (81); the cylinder (82) wraps the circular through hole (81); a sponge block (86) is fixedly connected to the inner wall of the cylinder (82); a liquid storage tank (87) is provided on one side of the sponge block (86); a round rod (83) is slidably connected to the inner wall of the cylinder (82); a second spring (84) is sleeved on the surface of the round rod (83).
7. The non-uniformly distributed blade guide according to claim 6, characterized in that: One end of the second spring (84) is fixedly connected to the round rod (83), and the other end of the second spring (84) is fixedly connected to the cylinder (82). One end of the round rod (83) is fixedly connected to a circular plate (85), and the surface of the circular plate (85) is slidably connected to the inner wall of the cylinder (82).
8. The non-uniformly distributed blade guide according to claim 7, characterized in that: A circular tube (88) is fixedly connected to one side of the cylinder (82), the cylinder (82) is located inside the liquid storage tank (87), and the inner wall of the circular plate (85) is slidably connected to the surface of the circular tube (88).
9. The non-uniformly distributed blade guide according to claim 8, characterized in that: The surface of the circular tube (88) is covered with a rubber sleeve (89), and the inner wall of the rubber sleeve (89) is provided with a plurality of anti-slip protrusions.
10. A method for reducing excitation amplitude by using a non-uniformly distributed blade guide, characterized in that: The method for reducing the excitation amplitude of the non-uniformly distributed blade guide device according to any one of claims 1 to 9 comprises the following steps: S1. First, the guide body (1) is connected to an external air intake device to change the direction and speed of the intake air flow, so that the air flow enters the turbine rotor component at a specific angle. S2. Subsequently, non-uniformly distributed blade plates (2) are arranged around the guide vane to disperse the wake excitation frequency, reduce the wake excitation amplitude, reduce the wake excitation on the turbine rotor at the resonance frequency, and reduce the risk of structural damage caused by the turbine rotor resonance.