An adjustable engine guide vane load simulation fixture

Abstract

This utility model discloses a fixing structure for load simulation of adjustable engine guide vanes, belonging to the technical field of engine guide vanes. It includes a guide ring rotatable along its own axis and a set of vanes disposed inside it, as well as a locking mechanism disposed on the outside of the vanes for fixing and locking them. The locking mechanism includes a telescopic rod and a set of limiting blocks inside it. One end of the telescopic rod is movably connected to the vanes, and the limiting blocks are disposed inside the telescopic rod and are slidable. During load simulation, the guide vanes can be locked and fixed. Furthermore, if unexpected displacement occurs, it can limit the displacement, reducing the occurrence of large-scale vane displacement. It also allows users to easily detect displacement and perform maintenance on the vanes at the corresponding positions, ensuring the experimental effect of the load simulation.

Description

Technical Field

[0001] This utility model relates to the field of engine guide vane technology, specifically to a fixed structure for simulating the load of an adjustable engine guide vane. Background Technology

[0002] The foundation of a gas turbine is the compressor. As a crucial component, its working principle involves drawing in ambient air, compressing it to increase its pressure, and continuously supplying high-pressure air to the combustion chamber. In a typical compressor, there are fixed blades called inlet guide vanes, which are used to control the direction and amount of incoming airflow to achieve optimal fuel-air matching and ensure stable and reliable engine operation. To improve the load capacity and performance of the blades, simulating loads in the laboratory becomes a critical step. However, during the simulation process, the fixation of the blades needs to be addressed, thus requiring the use of a fixed structure during load simulation.

[0003] In existing technologies, when adjusting the blades during load simulation, a hydraulic rod is typically used to drive the inlet guide ring, thereby adjusting the blade angle. However, this method relies on the self-locking effect of the hydraulic rod for fixation, which has the following drawbacks in actual load simulation: During load simulation, the blades are fixed by using a fixed pin to connect with the inner wall of the guide ring, which makes the blades prone to displacement during load simulation. This displacement is not easily noticed by the user, thus affecting the experimental results of load simulation. Furthermore, excessive displacement cannot be dealt with in a timely manner, which can easily lead to accidents.

[0004] Based on this, this utility model designs a fixed structure for simulating the load of adjustable engine guide vanes to solve the above problems. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a fixed structure for simulating the load of adjustable engine guide vanes.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A fixed structure for simulating the load of an adjustable engine guide vane includes a guide ring rotatable along its own axis and a set of vanes disposed inside it, and a locking mechanism disposed outside the vanes for fixing and locking them; wherein, the locking mechanism includes a telescopic rod and a set of limiting blocks disposed inside it, one end of the telescopic rod is movably connected to the vanes, and the limiting blocks are disposed inside the telescopic rod and are slidable;

[0008] Furthermore, the locking mechanism also includes an annular tube, and both ends of the telescopic rod are provided with ball bearings. The annular tube and the blade are movably connected to both ends of the telescopic rod through two ball bearings, and a vertical tube is installed on the outside of the annular tube.

[0009] Furthermore, the telescopic rod includes a piston tube and a connecting rod, one end of which is fitted with a piston plate that is slidably connected to the inside of the piston tube, and a folded tube is installed between the piston tube and the annular tube;

[0010] Furthermore, a set of pressure plates is hinged to the inner wall of the piston tube, and a steel wire rope is installed between the pressure plates and the limiting block. Two springs installed inside the piston tube are provided on one side of the limiting block, and the springs are in a compressed state.

[0011] Furthermore, a solenoid valve is installed on the outside of the riser, and an intelligent digital pressure gauge is installed on the outside of the annular pipe.

[0012] Furthermore, the inner wall of the guide ring is provided with a fixing ring, which is located on the outside of the blade, and a drive rod passing through the fixing ring is rotatably connected between the guide ring and the blade.

[0013] Furthermore, two guide rollers are provided on the outer side of the wire rope, and the guide rollers are rotatably connected to the inside of the piston tube;

[0014] Furthermore, the outer side of the connecting rod is coated with scale values, and the outer side of the guide ring is provided with an ear plate for docking with the hydraulic rod.

[0015] Beneficial effects

[0016] 1. During blade adjustment, the connecting rod will drive the piston plate to move adaptively inside the piston tube. At this time, the gas inside the piston tube will flow along the bend and the inside of the annular tube. In this state, the riser interacts with the outside gas. When the blade adjustment is completed, the user can close the riser, thereby sealing the inside of the piston tube and making it difficult for the piston plate and connecting rod to move, thus achieving the effect of fixing the blade. In addition, the solenoid valve can detect the amount of gas entering and leaving in real time during each adjustment process. With the setting of the intelligent digital display pressure gauge, the gas pressure in the annular tube can be monitored in real time. When the blade is under load simulation, if an unexpected deviation occurs, the intelligent digital display pressure gauge will detect different gas pressure data, so that the user can know the situation and thus inspect and maintain the blade and adjust the subsequent load force.

[0017] 2. If the load exceeds the limit during blade adjustment, excessive movement will occur. At this time, the piston plate will move more. During its movement, the pressure plate will be squeezed and moved into the piston tube. Combined with the spring force, the limit block will move towards the piston tube axis, thereby blocking the movement path of the piston plate and reducing the occurrence of excessive movement. That is, the movement range of the blade is limited, the stability is improved, and the occurrence of accidents is reduced. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A three-dimensional view of the main structure of a fixed structure for simulating the load of an adjustable engine guide vane;

[0020] Figure 2 for Figure 1 Enlarged view of A in the middle;

[0021] Figure 3 A partial sectional perspective view of the piston tube and the bend tube in a fixed structure for simulating the load of an adjustable engine guide vane;

[0022] Figure 4 for Figure 3 Enlarged view of B in the middle;

[0023] The labels in the diagram represent:

[0024] 100. Guide ring; 110. Fixing ring; 120. Drive rod; 200. Locking mechanism; 210. Telescopic rod; 211. Piston tube; 212. Connecting rod; 213. Piston plate; 214. Bending tube; 215. Pressure plate; 216. Steel wire rope; 217. Spring; 220. Limiting block; 230. Ring tube; 231. Riser; 232. Solenoid valve; 233. Intelligent digital display pressure gauge. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0026] The present invention will be further described below with reference to the embodiments.

[0027] In some embodiments, please refer to the appendix to the instruction manual. Figure 1-4 A fixed structure for simulating the load of an adjustable engine guide vane includes a guide ring 100 rotatable along its own axis and a set of vanes disposed inside it, and a locking mechanism 200 disposed outside the vanes for fixing and locking them; wherein, the locking mechanism 200 includes a telescopic rod 210 and a set of limiting blocks 220 disposed inside it, one end of the telescopic rod 210 is movably connected to the vanes, and the limiting blocks 220 are disposed inside the telescopic rod 210 and are slidable.

[0028] In this embodiment of the utility model, when adjusting the airflow, the user can drive the guide ring 100 to operate, so that it drives the inner blades to perform corresponding angle adjustments to complete the adjustment operation. Before and after the adjustment, the locking mechanism 200 can be used to fix the blades.

[0029] In this embodiment of the utility model, before and after blade adjustment, the telescopic rod 210 will follow the blade adjustment. After the movement is completed, the user can lock the telescopic rod 210 to fix the blade. The limit block 220 is used to limit the movement of the telescopic rod 210 if the blade deviates excessively, thereby ensuring the stability of the blade and reducing the occurrence of accidents.

[0030] In some embodiments, such as Figure 1 and Figure 2 As shown, in a preferred embodiment of the present invention, the locking mechanism 200 further includes an annular tube 230, and ball bearings are provided at both ends of the telescopic rod 210. The annular tube 230 and the blade are movably connected to both ends of the telescopic rod 210 through two ball bearings. A vertical tube 231 is installed on the outside of the annular tube 230. The telescopic rod 210 includes a piston tube 211 and a connecting rod 212. A piston plate 213 that is slidably connected to the inside of the piston tube 211 is installed at one end of the connecting rod 212. A folded tube 214 is installed between the piston tube 211 and the annular tube 230.

[0031] The telescopic rod 210 is supported by an annular tube 230. During blade adjustment, the connecting rod 212 will drive the piston plate 213 to move adaptively inside the piston tube 211. At this time, the gas inside the piston tube 211 will flow along the bend tube 214 and the annular tube 230. In this state, the riser 231 interacts with the outside gas. When the blade adjustment is completed, the user can close the riser 231, thereby sealing the inside of the piston tube 211 and making it difficult for the piston plate 213 and the connecting rod 212 to move, thus achieving the effect of fixing the blade.

[0032] In this embodiment of the invention, a set of pressure plates 215 are hinged to the inner wall of the piston tube 211. A steel wire rope 216 is installed between the pressure plates 215 and the limiting block 220. Two springs 217 installed inside the piston tube 211 are provided on one side of the limiting block 220. The springs 217 are in a compressed state. If the load exceeds the load during the blade adjustment process, excessive movement will occur. At this time, the movement range of the piston plate 213 will increase. During its movement, the pressure plates 215 will be squeezed and moved into the piston tube 211. Then the steel wire rope 216 will no longer pull the limiting block 220. Combined with the elastic force of the springs 217, the limiting block 220 moves towards the axis of the piston tube 211, thereby blocking the movement path of the piston plate 213, reducing the occurrence of excessive movement, that is, limiting the movement range of the blade, improving stability, and reducing the occurrence of accidents.

[0033] In this embodiment of the utility model, a solenoid valve 232 is installed on the outside of the riser 231, and an intelligent digital display pressure gauge 233 is installed on the outside of the annular pipe 230. The solenoid valve 232 is used to intelligently control the opening and closing of the riser 231, and at the same time, it is convenient to detect the amount of gas entering and leaving during each adjustment process in real time. With the setting of the intelligent digital display pressure gauge 233, the air pressure in the annular pipe 230 can be monitored in real time. When the blade is under load simulation, if an unexpected deviation occurs, the intelligent digital display pressure gauge 233 will detect different air pressure data, so that the user can know the situation and thus inspect and maintain the blade and adjust the subsequent load force.

[0034] As can be noted, users can electrically connect the solenoid valve 232 and the intelligent digital display pressure gauge 233 according to the PLC controller to facilitate intelligent control and data reception.

[0035] In this embodiment of the utility model, a fixing ring 110 is provided on the inner wall of the guide ring 100. The fixing ring 110 is located on the outer side of the blade. A drive rod 120 passing through the fixing ring 110 is rotatably connected between the guide ring 100 and the blade. The fixing ring 110 is used to support the telescopic rod 210 and the blade. After the guide ring 100 moves, the drive rod 120 will drive the corresponding blade to perform adjustment operations.

[0036] In this embodiment of the utility model, two guide rollers are provided on the outer side of the wire rope 216. The guide rollers are rotatably connected to the inside of the piston tube 211. By using the guide rollers, the wire rope 216 can be guided to ensure its smooth movement.

[0037] In this embodiment of the utility model, the outer side of the connecting rod 212 is coated with scale values, and the outer side of the guide ring 100 is provided with an ear plate for docking with the hydraulic rod. The guide ring 100 is driven by the hydraulic rod to complete the adjustment operation.

[0038] By setting the scale value, users can easily observe the movement of the corresponding blade after each load test. If the original exposed scale value of the connecting rod 212 is different from the exposed scale value after the test, it indicates that the blade has experienced an unexpected displacement, which facilitates timely inspection and maintenance by the user.

[0039] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A fixed structure for simulating the load of adjustable engine guide vanes, comprising a guide ring (100) rotatable along its own axis and a set of blades disposed inside it, characterized in that: It also includes a locking mechanism (200), which is disposed on the outside of the blade and is used to fix and lock it; The locking mechanism (200) includes a telescopic rod (210) and a set of limiting blocks (220) inside it. One end of the telescopic rod (210) is movably connected to the blade, and the limiting blocks (220) are disposed inside the telescopic rod (210) and are slidable.

2. The fixed structure for simulating the load of adjustable engine guide vanes according to claim 1, characterized in that, The locking mechanism (200) also includes an annular tube (230), and both ends of the telescopic rod (210) are provided with ball bearings. The annular tube (230) and the blade are movably connected to both ends of the telescopic rod (210) through two ball bearings. A vertical tube (231) is installed on the outside of the annular tube (230).

3. The fixed structure for simulating the load of adjustable engine guide vanes according to claim 1, characterized in that, The telescopic rod (210) includes a piston tube (211) and a connecting rod (212). One end of the connecting rod (212) is fitted with a piston plate (213) that is slidably connected to the inside of the piston tube (211). A folded tube (214) is installed between the piston tube (211) and the annular tube (230).

4. The fixed structure for simulating the load of adjustable engine guide vanes according to claim 3, characterized in that, A set of pressure plates (215) are hinged to the inner wall of the piston tube (211). A steel wire rope (216) is installed between the pressure plate (215) and the limiting block (220). Two springs (217) are installed inside the piston tube (211) on one side of the limiting block (220). The springs (217) are in a compressed state.

5. The fixed structure for simulating the load of adjustable engine guide vanes according to claim 2, characterized in that, A solenoid valve (232) is installed on the outside of the riser (231), and an intelligent digital pressure gauge (233) is installed on the outside of the annular pipe (230).

6. The fixed structure for simulating the load of adjustable engine guide vanes according to claim 1, characterized in that, The inner wall of the guide ring (100) is provided with a fixing ring (110), the fixing ring (110) is located on the outside of the blade, and the guide ring (100) and the blade are rotatably connected by a drive rod (120) passing through the fixing ring (110).

7. The fixed structure for simulating the load of adjustable engine guide vanes according to claim 4, characterized in that, Two guide rollers are provided on the outer side of the wire rope (216), and the guide rollers are rotatably connected to the inside of the piston tube (211).

8. The fixed structure for simulating the load of adjustable engine guide vanes according to claim 3, characterized in that, The outer side of the connecting rod (212) is coated with scale values, and the outer side of the guide ring (100) is provided with an ear plate for docking with the hydraulic rod.

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