Turbine guider capable of reducing connection gap

Abstract

The utility model discloses a turbine guider capable of reducing a connecting gap, which comprises an outer ring, guide blades arranged in the outer ring at equal angles, and an inner ring connected with the inner side ends of the guide blades, and further comprises a mounting block fixedly mounted on the inner side of the bottom of the inner ring, a first sealing ring positioned in the inner ring is arranged on the outer side of the mounting block, and a second sealing ring is arranged on the outer side of the mounting block. A prefabricated through groove matched with the mounting block is formed in the first sealing ring in a penetrating mode. The mounting ring is arranged on the outer side of the upper end of the outer ring, a second sealing ring is integrally arranged at the inner side end of the mounting ring, a connecting block located in the outer wall of the outer ring is fixedly mounted on the outer side of the lower end of the mounting ring, and a fixing ring is fixedly mounted on the outer side of the lower end of the outer ring; and first mounting holes facilitating mounting are formed in the fixing ring at equal angles. According to the turbine guider capable of reducing the connection gap, the connection gap during installation can be reduced, looseness caused during rotation of the whole turbine guider is avoided, and meanwhile installation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of turbine guides, in particular to a turbine guide which can reduce a connection gap. Background Art

[0002] The turbine guide vane is a very important component in the turbine. It can guide the airflow to the working impeller and make the airflow generate rotational force. The guide vane is generally composed of multiple stationary blades. It can not only guide the airflow to the working impeller, but also adjust the direction and speed of the airflow so that the airflow can impact the working impeller more evenly.

[0003] The Chinese patent authorization publication number is CN213574246U, which discloses a turbine guide of a gas turbine engine, including a sleeve, a clamp and a clamp. The clamp is arranged on one side wall of the sleeve, a fastening screw is passed through the middle of the clamp, the clamp is arranged below the fastening screw, the clamp is welded to the sleeve, the fastening screw is connected to the clamp by a thread, the clamp is rotatably connected to the fastening screw, and a middle hole is arranged on one side of the clamp. The beneficial effect is that the utility model can fix and clamp the turbine guide by arranging the clamp, the fastening screw and the clamp, so as to avoid the turbine guide from loosening when rotating and stopping the operation of the turbine engine, thereby improving the efficiency of the use of the turbine guide of the gas turbine engine.

[0004] Most of the existing technical solutions have the following defects: the gap between the turbine guide and the turbine engine when installed is large, which makes the whole loose when rotating, thus affecting the use. Therefore, the utility model provides a turbine guide that can reduce the connection gap to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a turbine guide which can reduce the connection gap, so as to solve the problem in the above-mentioned background technology that the gap between the turbine guide and the turbine engine when installed is large, causing the whole to become loose when rotating, thus affecting the use.

[0006] To achieve the above object, the utility model provides the following technical solution: a turbine guide device capable of reducing the connection gap, comprising an outer ring, guide blades arranged at equal angles inside the outer ring, and an inner ring connected to the inner side ends of the guide blades, and further comprising:

[0007] A mounting block is fixedly mounted on the inner side of the bottom of the inner ring, and a first sealing ring located inside the inner ring is arranged on the outer side of the mounting block, wherein a prefabricated through groove matching the mounting block is opened through the interior of the first sealing ring;

[0008] The mounting ring is arranged outside the upper end of the outer ring, and the inner end of the mounting ring is integrally provided with a second sealing ring, and the outer side of the lower end of the mounting ring is fixedly installed with a connecting block located inside the outer wall of the outer ring.

[0009] Preferably, a fixing ring is fixedly mounted on the outer side of the lower end of the outer ring, and first mounting holes for easy installation are provided at equal angles inside the fixing ring.

[0010] Preferably, the inner ring and the first sealing ring are both aligned with and penetrated by second mounting holes, and the second mounting holes are spaced apart from the prefabricated through grooves.

[0011] Preferably, the prefabricated through groove is divided into equiangular circumferential sections inside the first sealing ring, and the mounting block is connected to the first sealing ring by snapping through the prefabricated through groove.

[0012] Preferably, a positioning groove is provided on the outer wall of the upper end of the outer ring, and the connecting block is connected to the outer ring by plugging through the positioning groove, and plays a role in positioning and installing the mounting ring.

[0013] Preferably, a fixing bolt is provided through the interior of the connecting block, and a threaded hole structure matched with the fixing bolt is provided inside the upper end of the outer ring, and the threaded hole structure is located in the positioning groove.

[0014] Preferably, the connecting block forms a detachable structure with the outer ring through fixing bolts.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the turbine guider capable of reducing the connection gap can reduce the connection gap during installation, avoid the whole from loosening during rotation, and facilitate installation;

[0016] 1. The outer side of the installation block is provided with a first sealing ring located inside the inner ring. During installation, the circumscribed shaft is inserted into the outer ring and penetrates the inner ring, and the screw is rotated through the second mounting hole provided in the inner ring and the first sealing ring and the circumscribed shaft for fixing, so that the first sealing ring is located in the connection gap between the inner ring and the circumscribed shaft, thereby facilitating the function of reducing the connection gap.

[0017] Furthermore, the prefabricated through groove is divided into equiangular circumferential sections inside the first sealing ring, and the mounting block is connected to the first sealing ring by a snap-fitting manner through the prefabricated through groove. The mounting block and the prefabricated through groove have a good positioning and mounting effect on the first sealing ring when it is installed, so that the first sealing ring can be stably installed in the inner ring.

[0018] 2. The inner end of the mounting ring is integrated with a second sealing ring. When the circumscribed shaft is inserted into the outer ring, the outer side of the circumscribed shaft can contact the second sealing ring. At this time, the second sealing ring compensates for the connection gap between the circumscribed shaft and the outer ring to prevent dust from entering the interior through the gap.

[0019] 3. The connecting block is connected to the outer ring by plugging through the positioning groove, the connecting block is inserted into the corresponding positioning groove, and then rotated and inserted into the fixing bolt, so as to facilitate the fixation of the connecting block and the mounting ring, so that the mounting ring and the connecting block have a better installation effect on the second sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall explosion structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0023] Figure 4 For this utility model Figure 2 Enlarged structural diagram at B in the middle.

[0024] In the figure: 1. outer ring; 2. guide blade; 3. inner ring; 4. fixing ring; 5. first mounting hole; 6. mounting block; 7. first sealing ring; 8. prefabricated through groove; 9. second mounting hole; 10. positioning groove; 11. mounting ring; 12. second sealing ring; 13. connecting block; 14. fixing bolt. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4 The utility model provides a technical solution: a turbine guide device capable of reducing the connection gap, comprising an outer ring 1, guide blades 2 arranged at equal angles inside the outer ring 1, and an inner ring 3 connected to the inner side end of the guide blade 2, and also comprising a mounting block 6 fixedly mounted on the inner side of the bottom of the inner ring 3, and a first sealing ring 7 located inside the inner ring 3 is arranged on the outer side of the mounting block 6, wherein a prefabricated through groove 8 adapted to the mounting block 6 is penetrated inside the first sealing ring 7, a fixing ring 4 is fixedly mounted on the outer side of the lower end of the outer ring 1, and a first mounting hole 5 convenient for installation is opened at equal angles inside the fixing ring 4, and a second mounting hole 9 is aligned and penetrated inside the inner ring 3 and the first sealing ring 7;

[0027] At the same time, the mounting ring 11 is arranged on the outer side of the upper end of the outer ring 1, and the inner end of the mounting ring 11 is integrated with a second sealing ring 12, and the outer side of the lower end of the mounting ring 11 is fixedly installed with a connecting block 13 located inside the outer wall of the outer ring 1, and the upper end outer wall of the outer ring 1 is provided with a positioning groove 10, and the inside of the connecting block 13 is penetrated by a fixing bolt 14, and the upper end of the outer ring 1 is provided with a threaded hole structure compatible with the fixing bolt 14, which is combined to form a turbine guide that can reduce the connection gap.

[0028] When using the turbine guide device capable of reducing the connection gap, the specific example is as follows: Figure 1 and Figure 2 As shown in, first, the circumscribed shaft is inserted into the outer ring 1 and penetrates the inner ring 3, and the screw is rotated to fix the second mounting hole 9 provided in the inner ring 3 and the first sealing ring 7 and the circumscribed shaft. At this time, the first sealing ring 7 is located in the connection gap between the inner ring 3 and the circumscribed shaft, which is convenient for reducing the connection gap. Figure 4 As shown in , since the prefabricated through groove 8 is divided into equal-angle circumferential sections inside the first sealing ring 7, and the mounting block 6 is connected to the first sealing ring 7 by means of a snap fit through the prefabricated through groove 8, the mounting block 6 and the prefabricated through groove 8 have a good positioning and mounting effect on the first sealing ring 7 when it is installed, so that the first sealing ring 7 can be stably installed in the inner ring 3;

[0029] Specific as Figure 1 and Figure 3 As shown in, since the connecting block 13 is connected to the outer ring 1 by plugging through the positioning groove 10, and the connecting block 13 forms a detachable structure with the outer ring 1 through the fixing bolts 14, when the circumscribed shaft is inserted into the outer ring 1, the outer side of the circumscribed shaft can contact the second sealing ring 12. At this time, the second sealing ring 12 and the connection gap between the circumscribed shaft and the outer ring 1 are compensated to prevent dust from entering the interior through the gap. During installation, the connecting block 13 can be inserted into the corresponding positioning groove 10, and then rotated to insert into the fixing bolts 14, so as to facilitate the fixing of the connecting block 13 and the mounting ring 11, so that the mounting ring 11 and the connecting block 13 have a better installation effect on the second sealing ring 12. This is the method of using the turbine guide that can narrow the connection gap.

[0030] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A turbine guide vane capable of reducing a connection gap, comprising an outer ring (1), guide vanes (2) arranged at equal angles inside the outer ring (1), and an inner ring (3) connected to the inner ends of the guide vanes (2), characterized in that: Also includes: A mounting block (6) is fixedly mounted on the inner side of the bottom of the inner ring (3), and a first sealing ring (7) located inside the inner ring (3) is arranged on the outer side of the mounting block (6), wherein a prefabricated through groove (8) adapted to the mounting block (6) is provided through the interior of the first sealing ring (7); A mounting ring (11) is arranged outside the upper end of the outer ring (1), and a second sealing ring (12) is integrally arranged on the inner end of the mounting ring (11). A connecting block (13) located inside the outer wall of the outer ring (1) is fixedly mounted on the outer side of the lower end of the mounting ring (11).

2. A turbine guide device capable of reducing the connection gap according to claim 1, characterized in that: A fixing ring (4) is fixedly mounted on the outer side of the lower end of the outer ring (1), and first mounting holes (5) for easy mounting are provided at equal angles inside the fixing ring (4).

3. The turbine guide device capable of reducing the connection gap according to claim 1, characterized in that: The inner ring (3) and the first sealing ring (7) are both provided with second mounting holes (9) aligned and penetrating therethrough, and the second mounting holes (9) and the prefabricated through grooves (8) are arranged in an interval manner.

4. A turbine guide device capable of reducing the connection gap according to claim 3, characterized in that: The prefabricated through groove (8) is divided into equiangular circumferential sections inside the first sealing ring (7), and the mounting block (6) is connected to the first sealing ring (7) by means of a snap fit via the prefabricated through groove (8).

5. The turbine guide device capable of reducing the connection gap according to claim 2, characterized in that: The outer wall at the upper end of the outer ring (1) is provided with a positioning groove (10), and the connecting block (13) is connected to the outer ring (1) by plugging through the positioning groove (10), and plays a role in positioning and installing the mounting ring (11).

6. A turbine guide device capable of reducing the connection gap according to claim 5, characterized in that: A fixing bolt (14) is provided through the interior of the connection block (13), and a threaded hole structure matching the fixing bolt (14) is provided inside the upper end of the outer ring (1), and the threaded hole structure is located in the positioning groove (10).

7. A turbine guide device capable of reducing the connection gap according to claim 6, characterized in that: The connecting block (13) forms a detachable structure with the outer ring (1) via fixing bolts (14).

Images