Gas turbine impeller assembling device

Abstract

The invention provides a gas turbine impeller assembling device, relates to the technical field of gas turbine assembling equipment, and is used for assisting in butt joint of tenons on blades and mortises in an impeller. Comprising a positioning piece and a guide piece, and a positioning head, a left positioning plate and a right positioning plate are embedded with a cavity formed by a guide seat, a left guide plate and a right guide plate; when the blade is installed, the positioning piece is inserted into a mortise of the blade needing to be installed and embedded into the mortise, then a groove formed by the guide seat of the guide piece, the left guide plate and the right guide plate is aligned with the mortise, at the moment, a tenon of the blade only needs to be placed on the guide seat, and the blade can be installed under the assistance of the left guide plate and the right guide plate. The tenons on the blades are automatically aligned with the mortises, and then the tenons only need to be horizontally pushed into the mortises, so that the mounting speed is high, and the efficiency is high; the problems that when the blades and the impeller are manually assembled, the impeller assembling efficiency and precision are low due to the factors such as the sizes and the directions of tenons and mortises are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of gas turbine assembly equipment, and in particular to a gas turbine impeller assembly device. Background Art

[0002] A gas turbine is an internal combustion power machine that uses a continuously flowing gas as the working medium to drive the impeller to rotate at high speed, converting the energy of the fuel into useful work. It is a rotating impeller heat engine. During the assembly or overhaul of a new gas turbine, the blades on the impeller will be installed according to a strict process flow.

[0003] At present, during the impeller assembly operation, after the impeller is installed on the turbine, the impeller is manually moved while the tenon on the blade is inserted into the corresponding tenon groove on the impeller. Since the fit between the tenon and the tenon groove is relatively high, it takes a certain amount of time to align the tenon and the tenon groove before the tenon can be inserted into the tenon groove. The same gas turbine contains multiple sets of impellers, and a number of blades are arranged around each impeller. This leads to low efficiency in assembling the impeller, and also affects the assembly efficiency of the gas turbine. At the same time, the size and direction of the tenon and the tenon groove (part of the tenon groove is parallel to the impeller axis, and part of the tenon groove is not parallel to the impeller axis) will also affect the assembly efficiency and accuracy of the impeller. Summary of the invention

[0004] The object of the present invention is to provide a gas turbine impeller assembly device, which solves the problem that when blades and impellers are manually assembled, the impeller assembly efficiency and accuracy are low due to factors such as the size and direction of the tenon and mortise.

[0005] The present invention is implemented by the following technical solutions: a gas turbine impeller assembly device, used to assist in docking the tenon on the blade with the tenon groove on the impeller;

[0006] It comprises a positioning member and a guide member, the positioning member comprises a slide seat and a left positioning plate and a right positioning plate slidably arranged at the bottom of the slide seat, the bottom of the slide seat is also provided with a positioning head, the lower end of the positioning head is engaged with the bottom of the groove of the tenon groove; the positioning head is located between the left positioning plate and the right positioning plate, a plurality of first springs are arranged in an array between the positioning head and the left positioning plate, and a plurality of second springs are arranged in an array between the positioning head and the right positioning plate;

[0007] The guide member comprises a guide seat, a left guide plate and a right guide plate, wherein the left guide plate and the right guide plate are symmetrically and relatively slidably arranged on the left and right sides of the guide seat;

[0008] A first slide rail is arranged on the upper portion of the left guide plate in the front-to-back direction, and the left positioning plate is slidably arranged on the first slide rail; a second slide rail is arranged on the upper portion of the right guide plate in the front-to-back direction, and the right positioning plate is slidably arranged on the second slide rail; the positioning head, the left positioning plate and the right positioning plate are engaged with the cavity formed by the guide seat, the left guide plate and the right guide plate.

[0009] Furthermore, a guide groove is provided on the guide seat, and the lower end of the positioning head and the bottom of the guide groove are located on the same straight line.

[0010] Furthermore, a plurality of guide rods are arranged on the guide seat, and two ends of the guide rods are respectively slidably arranged through the left guide plate and the right guide plate;

[0011] A third spring and a fourth spring are sleeved on the guide rod, and two ends of the third spring are respectively in contact with the guide seat and the left guide plate; and two ends of the fourth spring are respectively in contact with the guide seat and the right guide plate.

[0012] Further, the first slide rail and the second slide rail have the same structure, the first slide rail comprises a slide rod, a slide head, a connecting seat and a limiting cap, the slide head is arranged at the bottom of the slide seat to slide along the left and right directions, and the bottoms of the two slide heads are respectively connected to the left positioning plate and the right positioning plate;

[0013] The two connecting seats are respectively arranged on the top of the left guide plate and the right guide plate, one end of the slide rod is connected to the connecting seat, and the other end of the slide rod is provided with the limiting cap;

[0014] The two sliders are respectively slidably sleeved on the two slide rods.

[0015] Furthermore, a fifth spring is sleeved on the slide rod, and two ends of the fifth spring are respectively in contact with the limiting cap and the slide head.

[0016] Furthermore, the two ends of the plurality of guide rods are respectively connected to the left side plate and the right side plate, the front ends of the left side plate and the right side plate are simultaneously connected to the front baffle, and the front end of the guide seat is connected to the front baffle;

[0017] The front baffle is provided with a first push cylinder, the telescopic end of the first push cylinder is provided with a push head, the push head is located between the guide seat, the left guide plate and the right guide plate and is coaxially arranged with the positioning head.

[0018] Furthermore, it also includes a bracket and a mounting plate, wherein two rows of second push cylinders are arranged at intervals on the mounting plate, the two rows of second push cylinders are arranged downward, and the telescopic ends of the second push cylinders are provided with connecting rods, and the lower ends of the two rows of connecting rods are respectively connected to the left plate and the right plate;

[0019] A servo motor is also provided on the bracket, and a driving wheel is provided at the output end of the servo motor, and the driving wheel is in rolling contact with the impeller.

[0020] Furthermore, the mounting plate is horizontally rotatably arranged on the bracket.

[0021] Furthermore, a material storage trough is obliquely arranged on the mounting plate through a mounting frame, and a plurality of blades are stored in the material storage trough; the lower end of the material storage trough is located on one side of the moving path of the guide member;

[0022] The inner bottom of the material storage tank is provided with a slot hole, a loading wheel is rotatably provided on the slot hole, a gear lever is provided in the material storage tank above the loading wheel, the distance between the gear lever and the bottom of the material storage tank is less than the height of the blade, and the tenon at the end is in contact with the loading wheel;

[0023] A driving hook is arranged on the outer periphery of the feeding wheel, and a driving member is arranged on the outer side of the material storage trough, and the driving member is used to drive the feeding wheel to rotate.

[0024] Further, the driving member includes a rack, a driving gear, a driving shaft, a first end face ratchet gear, a second end face ratchet gear and a push spring, the driving shaft is rotatably arranged on the mounting frame, one end of the driving shaft is sleeved with the driving gear, the right side plate is provided with a rack, and the rack is meshed with the driving gear;

[0025] The other end of the driving shaft is sleeved with the first end face ratchet gear, and the first end face ratchet gear is connected to the driving shaft through a sliding key; the driving shaft is also threadedly connected with a limiting wheel, the pushing spring is sleeved on the driving shaft, and the two ends of the pushing spring are respectively in contact with the first end face ratchet gear and the limiting wheel;

[0026] The second end face ratchet gear is rotatably arranged on the material storage trough, the second end face ratchet gear is transmission-connected to the feeding wheel, the second end face ratchet gear is coaxially arranged with the first end face ratchet gear; the first end face ratchet gear is meshed with the second end face ratchet gear through the push spring.

[0027] The technical solution of the present invention has at least the following advantages and beneficial effects:

[0028] 1. Before installing the blade, first insert the positioning piece into the tenon where the blade needs to be installed and fit it into the tenon, and then align the groove formed by the guide seat of the guide piece, the left guide plate and the right guide plate with the tenon. At this time, you only need to place the tenon of the blade on the guide seat. With the assistance of the left guide plate and the right guide plate, the tenon on the blade is automatically aligned with the tenon. Then you only need to push the tenon into the tenon horizontally, and the installation speed is fast and efficient.

[0029] 2. When the tenon enters the mortise, the tenon also pushes the locating head, the left locating plate and the right locating plate out of the mortise. When the left locating plate and the right locating plate completely withdraw from the mortise, they open under the action of the first spring and the second spring, which means that the tenon moves into place. Then the locating piece is inserted into the next mortise, and the blades are assembled in the next mortise. The alignment method is simple, fast, efficient and precise.

[0030] 3. After the positioning piece is inserted into the tenon, the tenon of a blade is placed in the guide piece, and the tenon is pushed to mate with the tenon by the first push cylinder. After completion, the entire positioning piece and the guide piece are lifted by the second push cylinder, and the positioning piece is reset under the action of the fifth spring, and then the impeller is controlled by the servo motor to rotate to switch to the next tenon, and then the positioning piece is inserted into the next tenon by the second push cylinder to assemble the blades of the tenon. The blade is fed by the second push cylinder, which pushes the positioning piece downward into the tenon and drives the rack to drive the driving gear to rotate, and finally drives the feeding wheel in the storage trough to rotate. The feeding wheel moves the blade at the end to the side of the feeding wheel close to the guide piece through the driving hook, and then falls into the guide piece under the action of gravity. The overall mechanization and automatic operation greatly improves the efficiency of installing blades on the impeller.

[0031] 4. If different sizes of tenons are installed on different impellers, it is only necessary to replace the corresponding left positioning plate and the right positioning plate so that the left positioning plate and the right positioning plate can fit with the two side walls of the tenon groove respectively. The guide seat, the left guide plate and the right guide plate in the guide member automatically form a cavity of corresponding width to assist in accommodating and straightening the blades. Therefore, the tenons and tenons assembled by this device have a wide range of sizes and high efficiency.

[0032] 5. The mounting plate is horizontally rotatably arranged on the bracket. Since the tenon on some impellers is not parallel to the axis of the impeller but is inclined, when installing the blade in this tenon, it is only necessary to slightly rotate the mounting plate so that the positioning head is initially aligned with the direction of the tenon. Subsequently, in the process of lowering the positioning piece, the positioning head, the left positioning plate and the right positioning plate are used to make the impeller transfer the tenon to be installed under the positioning head. At the same time, the mounting plate is rotated by engaging with the tenon, so that the positioning piece and the guide piece are aligned with the tenon to facilitate the installation of the blade. The subsequent installation steps are the same as above to achieve the installation of blades with tenons in various directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0034] Figure 1A schematic diagram of the main structure of a gas turbine impeller assembly device provided by the present invention;

[0035] Figure 2 A schematic diagram of the structure of a blade entering a guide member in a gas turbine impeller assembly device provided by the present invention;

[0036] Figure 3 A schematic diagram of a structure in which a positioning piece is inserted into a tenon groove in a gas turbine impeller assembly device provided by the present invention;

[0037] Figure 4 A schematic diagram of the top view of the structure of the coordination of a positioning member, a guide member and a material storage tank in a gas turbine impeller assembly device provided by the present invention;

[0038] Figure 5 A schematic diagram of the internal structure of a material storage tank in a gas turbine impeller assembly device provided by the present invention;

[0039] Icons: 1. Bracket, 11. Mounting plate, 12. Second push cylinder, 13. Connecting rod, 14. Servo motor, 15. Driving wheel, 16. Mounting frame, 2. Blade, 21. Tenon, 22. Fan blade, 3. Impeller, 31. Tenon, 4. Slide, 41. Left positioning plate, 42. Right positioning plate, 43. Positioning head, 44. First spring, 45. Second spring, 5. Guide seat, 51. Left guide plate, 52. Right guide plate, 53. Guide groove, 54. Guide rod, 55. Third spring, 56. Fourth spring, 57 , left side plate, 58, right side plate, 59, front baffle, 591, first push cylinder, 592, push head, 6, first slide rail, 61, slide rod, 62, slide head, 63, connecting seat, 64, limiting cap, 65, fifth spring, 7, second slide rail, 8, storage trough, 81, slot hole, 82, loading wheel, 83, gear lever, 84, driving hook, 9, driving member, 91, rack, 92, driving gear, 93, driving shaft, 94, first end face ratchet gear, 95, second end face ratchet gear, 96, push spring, 97, limiting wheel. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0041] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] Reference Figures 1 to 5 As shown, this embodiment provides a gas turbine impeller assembly device, which is used to assist in docking the tenon 21 on the blade 2 with the tenon groove 31 on the impeller 3. Here, it is mainly for the auxiliary connection of the impeller 3 and the blade 2 using a dovetail tenon structure. The impeller 3 needs to be rotatably arranged on the turbine shaft, or arranged on a fixture such as a machine tool that can drive the impeller 3 to rotate around its axis, including a positioning member and a guide member. The positioning member includes a slide seat 4 and a left positioning plate 41 and a right positioning plate 42 slidably arranged at the bottom of the slide seat 4. A positioning head 43 is also provided at the bottom of the slide seat 4, and the lower end of the positioning head 43 can be engaged with the bottom of the groove of the tenon 31; the positioning head 43 is located between the left positioning plate 41 and the right positioning plate 42, and a plurality of first springs 44 are arranged in an array between the positioning head 43 and the left positioning plate 41, and the two ends of the first spring 44 are respectively abutted against the positioning head 43 and the left positioning plate 41; a plurality of second springs 45 are arranged in an array between the positioning head 43 and the right positioning plate 42, and the two ends of the second spring 45 are respectively abutted against the positioning head 43 and the right positioning plate 42.

[0043] like Figure 3 As shown, in the free state, the left positioning plate 41 and the right positioning plate 42 are moved away from each other by the cooperation of a plurality of first springs 44 and a plurality of second springs 45, the number and elastic coefficient of the first springs 44 and the second springs 45 are the same and are symmetrically distributed about the positioning head 43, and then under the restriction of the slide 4, the left positioning plate 41 and the right positioning plate 42 are symmetrically distributed about the positioning head 43, and a special-shaped wedge surface is provided on the side where the left positioning plate 41 and the right positioning plate 42 are away from each other, and in the free state, the distance between the outermost sides of the lower ends of the left positioning plate 41 and the right positioning plate 42 is smaller than the width of the notch of the mortise 31, and at the same time, the distance between the outermost sides of the upper ends of the left positioning plate 41 and the right positioning plate 42 is larger than the width of the notch of the mortise 31. Then, the positioning piece can be directly inserted into the tenon groove 31, and the entire positioning piece can be engaged with the tenon groove 31 by engaging the lower end of the positioning head 43 with the bottom of the tenon groove 31, and the left positioning plate 41 and the right positioning plate 42 with the two side walls of the tenon groove 31; if different sizes of tenons 21 are installed on different impellers 3, it is only necessary to replace the corresponding left positioning plate 41 and the right positioning plate 42, so that the left positioning plate 41 and the right positioning plate 42 can be respectively fitted with the two side walls of the tenon groove 31, and the assembled tenons 21 and tenon grooves 31 have a wide range of sizes and high efficiency.

[0044] like Figure 1-Figure 4As shown, the guide member includes a guide seat 5, a left guide plate 51 and a right guide plate 52, and the left guide plate 51 and the right guide plate 52 are symmetrically and relatively slidably arranged on the left and right sides of the guide seat 5;

[0045] A first slide rail 6 is arranged on the left guide plate 51 along the front-to-back direction, and the left positioning plate 41 is slidably arranged on the first slide rail 6; a second slide rail 7 is arranged on the right guide plate 52 along the front-to-back direction, and the right positioning plate 42 is slidably arranged on the second slide rail 7; the positioning head 43, the left positioning plate 41 and the right positioning plate 42 are engaged with the cavity formed by the guide seat 5, the left guide plate 51 and the right guide plate 52.

[0046] like Figure 1-Figure 4 As shown, in the specific implementation, before installing the blade 2, the positioning piece is first inserted into the tenon groove 31 where the blade 2 needs to be installed. It only needs to fit the lower end of the positioning head 43 with the bottom of the tenon groove 31. Then, the left positioning plate 41 and the right positioning plate 42 on both sides automatically abut and bite with the side walls of the tenon groove 31 under the action of the first spring 44 and the second spring 45. At the same time, the left positioning plate 41 and the right positioning plate 42 respectively drive the left guide plate 51 and the right guide plate 52 to move toward each other through the first slide rail 6 and the second slide rail 7 to form. Since the outer contour formed by the positioning head 43, the left positioning plate 41 and the right positioning plate 42 is always fitted with the groove formed by the guide seat 5, the left guide plate 51 and the right guide plate 52, and then the groove formed by the guide seat 5, the left guide plate 51 and the right guide plate 52 is aligned with the tenon groove 31, at this time, it is only necessary to To place the tenon 21 of the blade 2 on the guide seat 5, with the assistance of the left guide plate 51 and the right guide plate 52, the tenon 21 on the blade 2 is automatically aligned with the tenon groove 31, and then the tenon 21 only needs to be pushed horizontally into the tenon groove 31. In the process of the tenon 21 entering the tenon groove 31, the tenon 21 also pushes the positioning head 43, the left positioning plate 41 and the right positioning plate 42 out of the tenon groove 31. When the left positioning plate 41 and the right positioning plate 42 are completely withdrawn from the tenon groove 31, they open under the action of the first spring 44 and the second spring 45, which means that the tenon 21 is moved into place, and the guide member forms a cavity aligned with the tenon groove 31 through the engagement of the positioning member with the tenon groove 31, and then the tenon 21 of the blade 2 is placed in the cavity, and the tenon 21 can be docked with the tenon groove 31 by pushing the blade 2 horizontally, which is not only convenient and fast but also high in precision.

[0047] More specifically, Figure 2-Figure 4The guide seat 5 is shown as being provided with a guide groove 53, and the lower end of the positioning head 43 is engaged with the guide groove 53. No matter in a natural state or when the positioning member is placed in the tenon groove 31, the lower end point of the positioning head 43 and the bottom of the guide groove 53 are always on the same straight line, so that the lower end of the tenon 21 and the lower end of the positioning head 43 can be located on the same straight line. When the lower end of the positioning head 43 is engaged with the bottom of the tenon groove 31, the guide groove 53 is aligned with the bottom of the tenon groove 31. After the lower end of the tenon 21 is placed in the guide groove 53, the lower end of the tenon 21 is aligned with the guide groove of the tenon groove 31. With the cooperation of the left guide plate 51 and the right guide plate 52, the entire tenon 21 is aligned with the tenon groove 31. The tenon 21 can be entered into the tenon groove 31 by simply pushing the tenon 21 horizontally.

[0048] More specifically, Figure 2-Figure 4 As shown, a plurality of guide rods 54 are provided on the guide seat 5, and the two ends of the guide rods 54 are respectively slidably penetrated through the left guide plate 51 and the right guide plate 52; the guide rods 54 can provide guiding assistance along with the left guide plate 51 and the right guide plate 52, so that the two can move synchronously with the left positioning plate 41 and the right positioning plate 42 respectively without deformation resulting in inaccurate positioning.

[0049] A third spring 55 and a fourth spring 56 are sleeved on a guide rod 54, and the two ends of the third spring 55 abut against the guide seat 5 and the left guide plate 51 respectively; the two ends of the fourth spring 56 abut against the guide seat 5 and the right guide plate 52 respectively. The third spring 55 and the fourth spring 56 are mainly used to reset the left guide plate 51 and the right guide plate 52. The elastic stiffness coefficients of the third spring 55 and the fourth spring 56 are relatively small. After the positioning member is pushed out of the tenon groove 31 by the tenon 21, the left positioning plate 41 and the right positioning plate 42 will move away from each other and open, and at the same time, the left guide plate 51 and the right guide plate 52 will also move away from each other and open, thereby facilitating the tenon 21 of the next blade 2 to enter between the left guide plate 51 and the right guide plate 52.

[0050] More specifically, Figure 3 and 4 As shown, the first slide rail 6 and the second slide rail 7 have the same structure. The first slide rail 6 includes a slide rod 61, a slider 62, a connecting seat 63 and a limiting cap 64. The slider 62 is set to slide along the left and right directions at the bottom of the slide seat 4, and the bottoms of the two sliders 62 are respectively connected to the left positioning plate 41 and the right positioning plate 42; and then, the two sliders 62 are respectively slidably set at the bottom of the slide seat 4, providing a stable foundation for the horizontal movement of the left positioning plate 41 and the right positioning plate 42.

[0051] The two connecting seats 63 are respectively arranged on the top of the left guide plate 51 and the right guide plate 52 , one end of the slide rod 61 is connected to the connecting seat 63 , and the other end of the slide rod 61 is provided with a limiting cap 64 ; the two sliders 62 are respectively slidably mounted on the two slide rods 61 .

[0052] During specific implementation, the number of single-sided slide bars 61 is not unique, and multiple groups can be set, with the overall stability of the structure as the main focus. The two sliders 62 slide on the slide bars 61 on both sides respectively, thereby driving the slide seat 4, the positioning head 43, the left positioning plate 41 and the right positioning plate 42 to slide synchronously. When the tenon 21 enters the tenon groove 31, the tenon 21 pushes the positioning head 43, the left positioning plate 41 and the right positioning plate 42 to move out of the tenon groove 31. In the process, the tenon 21 slides along the slide bar 61 under the action of the slider 62, and a fifth spring 65 is sleeved on the slide bar 61. The two ends of the fifth spring 65 are respectively abutted against the limit cap 64 and the slider 62. When the positioning piece exits the mortise groove 31, the left positioning plate 41 and the right positioning plate 42 open and abut against the impeller 3 on both sides of the mortise groove 31, and then the positioning piece is lifted to separate the blade 2 from the sliding rods 61 on both sides. In the process of the positioning piece moving upward and separating from the blade 2, after the positioning piece is separated from the impeller 3, it will be acted upon by the fifth spring 65 to move the positioning piece toward the side of the guide piece and reset, so as to facilitate positioning of the next mortise groove 31; since the tenon 21 and the mortise groove 31 have been docked in place, and the center of gravity of the blade 2 is mainly at the tenon 21, even if the positioning piece slides and abuts against the fan blade 22 part above the tenon 21, it does not act on the center of gravity of the blade 2, and thus the tenon 21 will not move back in the mortise groove 31, and will not affect the connection between the tenon 21 and the mortise groove 31.

[0053] like Figure 1-Figure 4 As shown, the two ends of the plurality of guide rods 54 are respectively connected to the left side plate 57 and the right side plate 58, and the front ends of the left side plate 57 and the right side plate 58 are simultaneously connected to the front baffle plate 59, and the left side plate 57, the right side plate 58 and the front baffle plate 59 constitute a U-shaped seat body, and the guide member is located in the concave cavity of the seat body, and the front end of the guide seat 5 is connected to the front baffle plate 59; the front ends of the left guide plate 51 and the right guide plate 52 are clearance-matched with the front baffle plate 59, and the front baffle plate 59 can limit the tenon 21 entering between the left guide plate 51 and the right guide plate 52, and at the same time, a first push cylinder 591 is provided on the front baffle plate 59, and a push head 592 is provided at the telescopic end of the first push cylinder 591 The push head 592 is located between the guide seat 5, the left guide plate 51 and the right guide plate 52 and is coaxially arranged with the positioning head 43; then, when the tenon 21 of the blade 2 enters the guide seat 5 and is straightened and aligned with the tenon groove 31 by the left guide plate 51 and the right guide plate 52, the center of gravity of the blade 2 is pushed horizontally by the first push cylinder 591, and the tenon 21 is pushed into the tenon groove 31, and the positioning piece is ejected from the tenon groove 31. The stroke can be accurately set by the first push cylinder 591, and the tenon 21 can be pushed to a suitable position. At the same time, a displacement sensor can be set. When it is detected that the positioning piece moves out of the tenon groove 31, the pushing is stopped immediately, and the tenon 21 can be installed in place.

[0054] More specifically, Figure 1 and Figure 2As shown, it also includes a bracket 1 and a mounting plate 11, and two rows of second push cylinders 12 are arranged on the mounting plate 11 at intervals. The two rows of second push cylinders 12 are arranged downward, and connecting rods 13 are arranged at the telescopic ends of the second push cylinders 12. The connecting rods 13 can compensate for the driving position of the second push cylinders 12 and are used to stagger the fan blades 22 on the tenon 21. The lower ends of the two rows of connecting rods 13 are respectively connected to the left plate 57 and the right plate 58. In specific implementation, two second push cylinders 12 are usually arranged in each column. The second push cylinder 12 and the first push cylinder 591 are mostly electric push cylinders, and other high-precision air cylinders or hydraulic cylinders are also acceptable. The positioning member and the guide member are driven up and down by the cooperation of multiple second push cylinders 12. When the positioning member needs to enter the tenon groove 31 to be installed, the second push cylinder 12 extends downward to allow the positioning head 43, the left positioning plate 41 and the right positioning plate 42 to enter the tenon groove 31. Since the position of the positioning member is fixed, the impeller 3 can rotate on its own. The positioning head 43 of the positioning member and the left positioning plate 41 and the right positioning plate 42 acted by the first spring 44 and the second spring 45 can drive the impeller 3 to rotate slightly during the process of entering the tenon groove 31, so that the tenon groove 31 is aligned with the positioning head 43, and the impeller 3 is symmetrically abutted against the two side plates of the tenon groove 31 by the left positioning plate 41 and the right positioning plate 42 respectively. Keep still so that the tenon 31 is in a predetermined position. At the same time, the guide seat 5, the left guide plate 51 and the right guide plate 52 synchronously form a concave cavity aligned with the tenon 31, and the concave cavity is used to place the tenon 21 of the blade 2. The concave cavity also aligns the tenon 21 with the tenon 31 at the same time. Then, after the positioning member cooperates with the tenon 31, the tenon 21 can be pushed into the tenon 31 by the first push cylinder 591. After the positioning member is separated from the tenon 31, several second push cylinders 12 move upward to lift the entire positioning member and the guide member out of the current blade 2. When the positioning member moves up and separates from the blade 2, the positioning member is reset to the top of the tenon 31 under the action of the fifth spring 65. Then the impeller 3 is rotated so that the next tenon 31 is initially located below the positioning member, and then the positioning member is driven to move down and position. This reciprocating process is repeated until the installation of the blades 2 of all the tenons 31 of the impeller 3 is completed, and then the next impeller 3 is replaced.

[0055] like Figure 1 As shown, a servo motor 14 is also provided on the bracket 1, and a driving wheel 15 is provided at the output end of the servo motor 14. The driving wheel 15 is in rolling contact with the impeller 3, and then the driving wheel 15 is driven by the servo motor 14 to rotate intermittently, and the driving wheel 15 drives the impeller 3 to rotate intermittently to realize the switching of different tenons 31. It is mainly used for driving the impeller 3 to rotate a certain angle after the blade 2 is installed in the current tenon 31, so that the next tenon 31 is located below the positioning piece.

[0056] More specifically, Figure 1 and Figure 2As shown, the mounting plate 11 is horizontally rotatably arranged on the bracket 1. Since the tenon 31 on some impellers 3 is not parallel to the axis of the impeller 3 but is inclined, when installing the blade 2 in this tenon 31, it is only necessary to slightly rotate the mounting plate 11 so that the positioning head 43 is initially aligned with the direction of the tenon 31. Subsequently, in the process of lowering the positioning member, the impeller 3 is automatically transferred through the positioning head 43, the left positioning plate 41 and the right positioning plate 42 so that the tenon 31 to be installed is under the positioning head 43. At the same time, the mounting plate 11 is rotated by being engaged with the tenon 31, so that the positioning member and the guide member are aligned with the tenon 31 to facilitate the installation of the blade 2. The subsequent installation steps are the same as above, so that the installation of blades 2 with tenons 31 of various directions can be realized.

[0057] like Figure 1-Figure 5 As shown, a material storage trough 8 is also obliquely arranged on the mounting plate 11 through the mounting frame 16, and a plurality of blades 2 are stored in the material storage trough 8; since the cross-section of the dovetail-shaped tenon 21 is roughly conical, the conical parts of the tenons 21 of the plurality of blades 2 are all arranged in parallel, and thus a certain gap is formed between the lower ends of adjacent tenons 21, and the lower end of the material storage trough 8 is located on one side of the moving path of the guide member; and thus when the guide member moves to below the end of the material storage trough 8, a blade 2 can be discharged from the material storage trough 8, and the blade 2 slides into the guide member and is then straightened by the guide member.

[0058] More specifically, Figure 5 As shown, a slot hole 81 is provided at the inner bottom of the material storage trough 8, and a loading wheel 82 is rotatably provided on the slot hole 81. A shift rod 83 is provided in the material storage trough 8 above the loading wheel 82. The distance between the shift rod 83 and the bottom of the material storage trough 8 is less than the height of the blade 2. The tenon 21 at the end abuts against the loading wheel 82, and the fan blade 22 on the tenon 21 abuts against the shift rod 83. The shift rod 83 cooperates with the loading wheel 82 to limit the plurality of blades 2 in the material storage trough 8.

[0059] A driving hook 84 is arranged on the outer periphery of the feeding wheel 82 , and a driving member 9 is arranged on the outer side of the storage tank 8 , and the driving member 9 is used to drive the feeding wheel 82 to rotate.

[0060] During specific implementation, the loading wheel 82 is driven to rotate by the driving member 9, and the loading wheel 82 acts on the blade 2 at the last position through the driving hook 84. The driving hook 84 acts on the tenon 21 of the blade 2, so that the tenon 21 passes over the loading wheel 82, and then under the action of gravity, the tenon 21 slides downward, and the fan blade 22 located above falls down and separates from the gear lever 83. The fallen blade 2 separates from the storage trough 8 and falls into the concave cavity formed by the guide seat 5, the left guide plate 51, the right guide plate 52 and the front baffle plate 59, and is then straightened by the left guide plate 51 and the right guide plate 52 to align with the tenon groove 31.

[0061] More specifically, Figure 1 , Figure 2 and Figure 4 As shown, the driving member 9 includes a rack 91, a driving gear 92, a driving shaft 93, a first end face ratchet gear 94, a second end face ratchet gear 95 and a push spring 96. The driving shaft 93 is rotatably arranged on the mounting frame 16. The driving gear 92 is sleeved on one end of the driving shaft 93. A rack 91 is arranged on the right side plate 58, and the rack 91 is meshed with the driving gear 92.

[0062] The other end of the driving shaft 93 is sleeved with a first end face ratchet gear 94, and the first end face ratchet gear 94 is connected to the driving shaft 93 through a sliding key; the driving shaft 93 is also threadedly connected with a limit wheel 97, and a push spring 96 is sleeved on the driving shaft 93, and the two ends of the push spring 96 are respectively in contact with the first end face ratchet gear 94 and the limit wheel 97;

[0063] The second end face ratchet gear 95 is rotatably set on the storage trough 8, the second end face ratchet gear 95 is transmission connected with the loading wheel 82, and the second end face ratchet gear 95 is coaxially set with the first end face ratchet gear 94; the first end face ratchet gear 94 is meshed with the second end face ratchet gear 95 through the push spring 96.

[0064] When implementing it, Figure 1-Figure 5 As shown, when the plurality of second push cylinders 12 drive the positioning member and the guide member to move upward, the rack 91 also moves upward, and the rack 91 drives the driving gear 92 to reverse, and the driving gear 92 drives the first end face ratchet gear 94 to reverse through the driving shaft 93. At this time, the first end face ratchet gear 94 does not transmit torque to the second end face ratchet gear 95, but the first end face ratchet gear 94 is always abutted with the second end face ratchet gear 95 through the push spring 96. When the impeller 3 is driven to rotate by the servo motor 14 so that the next tenon 31 is placed under the positioning member, the plurality of second push cylinders 12 drive the positioning member to be inserted downward into the tenon 31, and at the same time drive the rack 91 to move downward, and the rack 91 drives the driving gear 92 to rotate forward, and the driving gear 92 drives the first end face ratchet gear 94 through the driving shaft 93. 4 rotates forward, the first end face ratchet gear 94 and the second end face ratchet gear 95 mesh and transmit, thereby driving the loading wheel 82 to rotate, and the loading wheel 82 drives the blade 2 at the end to the side close to the guide member through the driving hook 84, and then falls into the guide member to realize the loading of the blade 2, and then the blade 2 is pushed into the tenon groove 31 by the first push cylinder 591, which greatly improves the speed and efficiency of assembling the blade 2 and the impeller 3. It should be noted that the blade 2 will not fall out of the storage trough 8 and enter the guide member until the guide member moves to the bottom of the end of the storage trough 8. At the same time, the storage trough 8 does not need to place all the blades 2. The short storage trough 8 can store only a few. The staff can place the blades 2 in the storage trough 8 while observing whether the overall assembly is carried out according to the predetermined procedure.

[0065] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A gas turbine impeller assembly device, used to assist in docking a tenon (21) on a blade (2) with a tenon groove (31) on an impeller (3), characterized in that: The invention comprises a positioning member and a guide member, wherein the positioning member comprises a slide seat (4) and a left positioning plate (41) and a right positioning plate (42) slidably arranged at the bottom of the slide seat (4); a positioning head (43) is also arranged at the bottom of the slide seat (4); the lower end of the positioning head (43) is engaged with the bottom of the groove of the tenon groove (31); the positioning head (43) is located between the left positioning plate (41) and the right positioning plate (42); a plurality of first springs (44) are arranged in an array between the positioning head (43) and the left positioning plate (41); and a plurality of second springs (45) are arranged in an array between the positioning head (43) and the right positioning plate (42); The guide member comprises a guide seat (5), a left guide plate (51) and a right guide plate (52), wherein the left guide plate (51) and the right guide plate (52) are symmetrically and relatively slidably arranged on the left and right sides of the guide seat (5); A first slide rail (6) is arranged on the left guide plate (51) along the front-to-back direction, and the left positioning plate (41) is slidably arranged on the first slide rail (6); a second slide rail (7) is arranged on the right guide plate (52) along the front-to-back direction, and the right positioning plate (42) is slidably arranged on the second slide rail (7); the positioning head (43), the left positioning plate (41) and the right positioning plate (42) are engaged with a cavity formed by the guide seat (5), the left guide plate (51) and the right guide plate (52).

2. A gas turbine impeller assembly device according to claim 1, characterized in that: The guide seat (5) is provided with a guide groove (53), and the lower end of the positioning head (43) and the bottom of the guide groove (53) are located on the same straight line.

3. A gas turbine impeller assembly device according to any one of claims 1-2, characterized in that: A plurality of guide rods (54) are arranged on the guide seat (5), and two ends of the guide rods (54) are respectively slidably arranged through the left guide plate (51) and the right guide plate (52); A third spring (55) and a fourth spring (56) are sleeved on the guide rod (54), and two ends of the third spring (55) are respectively in contact with the guide seat (5) and the left guide plate (51); and two ends of the fourth spring (56) are respectively in contact with the guide seat (5) and the right guide plate (52).

4. A gas turbine impeller assembly device according to any one of claims 1-2, characterized in that: The first slide rail (6) and the second slide rail (7) have the same structure. The first slide rail (6) comprises a slide rod (61), a slide head (62), a connecting seat (63) and a limiting cap (64). The slide head (62) is arranged at the bottom of the slide seat (4) to slide in the left-right direction. The bottoms of the two slide heads (62) are respectively connected to the left positioning plate (41) and the right positioning plate (42). The two connecting seats (63) are respectively arranged on the top of the left guide plate (51) and the right guide plate (52); one end of the slide rod (61) is connected to the connecting seat (63); and the other end of the slide rod (61) is provided with the limiting cap (64); The two sliders (62) are respectively slidably mounted on the two slide bars (61).

5. A gas turbine impeller assembly device according to claim 4, characterized in that: The slide bar (61) is sleeved with a fifth spring (65), and two ends of the fifth spring (65) are respectively in contact with the limit cap (64) and the slide head (62).

6. A gas turbine impeller assembly device according to claim 3, characterized in that: The two ends of the plurality of guide rods (54) are respectively connected to a left side plate (57) and a right side plate (58), the front ends of the left side plate (57) and the right side plate (58) are simultaneously connected to a front baffle (59), and the front end of the guide seat (5) is connected to the front baffle (59); A first push cylinder (591) is provided on the front baffle (59), and a push head (592) is provided at the telescopic end of the first push cylinder (591). The push head (592) is located between the guide seat (5), the left guide plate (51) and the right guide plate (52) and is coaxially arranged with the positioning head (43).

7. A gas turbine impeller assembly device according to claim 6, characterized in that: It also includes a bracket (1) and a mounting plate (11), wherein two rows of second push cylinders (12) are arranged at intervals on the mounting plate (11), the two rows of second push cylinders (12) are arranged downward, and the telescopic ends of the second push cylinders (12) are provided with connecting rods (13), and the lower ends of the two rows of connecting rods (13) are respectively connected to the left side plate (57) and the right side plate (58); The bracket (1) is also provided with a servo motor (14), and the output end of the servo motor (14) is provided with a driving wheel (15), and the driving wheel (15) is in rolling contact with the impeller (3).

8. A gas turbine impeller assembly device according to claim 7, characterized in that: The mounting plate (11) is arranged on the bracket (1) in a horizontally rotatable manner.

9. A gas turbine impeller assembly device according to claim 8, characterized in that: A material storage trough (8) is also obliquely arranged on the mounting plate (11) via a mounting frame (16), wherein a plurality of blades (2) are stored in the material storage trough (8); the lower end of the material storage trough (8) is located on one side of the moving path of the guide member; The inner bottom of the material storage trough (8) is provided with a slot hole (81), a loading wheel (82) is rotatably provided on the slot hole (81), a shift rod (83) is provided in the material storage trough (8) above the loading wheel (82), the distance between the shift rod (83) and the bottom of the material storage trough (8) is less than the height of the blade (2), and the tenon (21) at the end is in contact with the loading wheel (82); A driving hook (84) is arranged on the outer periphery of the feeding wheel (82), and a driving member (9) is arranged on the outer side of the material storage trough (8), and the driving member (9) is used to drive the feeding wheel (82) to rotate.

10. A gas turbine impeller assembly device according to claim 9, characterized in that: The driving member (9) comprises a rack (91), a driving gear (92), a driving shaft (93), a first end face ratchet gear (94), a second end face ratchet gear (95) and a push spring (96); the driving shaft (93) is rotatably arranged on the mounting frame (16); one end of the driving shaft (93) is sleeved with the driving gear (92); a rack (91) is arranged on the right side plate (58); the rack (91) is meshed with the driving gear (92); The other end of the driving shaft (93) is sleeved with the first end face ratchet gear (94), and the first end face ratchet gear (94) is connected to the driving shaft (93) via a sliding key; the driving shaft (93) is also threadedly connected with a limiting wheel (97), the pushing spring (96) is sleeved on the driving shaft (93), and the two ends of the pushing spring (96) are respectively in contact with the first end face ratchet gear (94) and the limiting wheel (97); The second end face ratchet gear (95) is rotatably arranged on the material storage trough (8), the second end face ratchet gear (95) is transmission-connected to the loading wheel (82), the second end face ratchet gear (95) is coaxially arranged with the first end face ratchet gear (94); the first end face ratchet gear (94) is meshed with the second end face ratchet gear (95) via the push spring (96).

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