Fan impeller blade mounting device

Abstract

The invention relates to the technical field of impeller machining equipment, and discloses a fan impeller blade mounting device which comprises a rack and a positioning frame used for mounting an impeller, a movable frame and a fixed frame are mounted in the rack, and a hydraulic telescopic rod is mounted at the top of the rack. According to the fan impeller blade mounting device, by arranging a positioning frame, a hydraulic telescopic rod, a moving frame, a first driving motor, a fixing frame, a blade pressing mechanism and a driving mechanism, an impeller of a blade to be pressed is placed on the positioning frame, the hydraulic telescopic rod is started, a clamping assembly is driven to clamp the impeller, and then the driving mechanism is started; the driving mechanism pushes the blade pressing mechanism to press the blades, meanwhile, the first driving motor drives the positioning frame to rotate, the impeller rotates to drive the blades to sequentially pass through the blade pressing mechanism and the blade pressing mechanism to bend and press the ends of the blades, all the blades of the impeller can be rapidly fixed, and the machining efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of impeller processing equipment, in particular to a fan impeller blade installation device. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. Fan is the customary abbreviation for gas compression and gas delivery machinery. Commonly referred to fans include ventilators, blowers, and wind turbines. The impeller is a component of the fan and is a concentrated work element. It is composed of parts such as blades, discs and wheel covers. The gas obtains energy in its flow channel.

[0003] After the impeller blades, disc and wheel cover parts are processed, the blades, disc and wheel cover need to be assembled together. Slots are evenly opened on the surfaces of the disc and wheel cover, and the two ends of the blades are respectively docked with the slots on the disc and wheel cover. The ends of the blades are manually bent and pressed together to complete the fixed combination of the blades, disc and wheel cover. The impeller has a large number of blades, and manual knocking takes a long time, resulting in low processing efficiency. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a fan impeller blade installation device to solve the problems mentioned in the above background.

[0005] The present invention provides the following technical solution: a fan impeller blade installation device comprises: a frame and a positioning frame for installing an impeller, a mobile frame and a fixed frame are respectively installed inside the frame, a hydraulic telescopic rod is installed on the top of the frame, the telescopic end of the hydraulic telescopic rod extends to the inside of the frame and is connected to the top of the mobile frame, a first driving motor is installed on the bottom of the fixed frame, mounting plates are installed on the opposite surfaces of the mobile frame and the fixed frame, clamping components are provided on the opposite surfaces of the two mounting plates, the output shaft of the first driving motor passes through the clamping component and is connected to one end of the positioning frame, and the two mounting plates are The opposite surfaces are provided with connecting seats, and the two connecting seats are connected to the blade pressing mechanisms. The two blade pressing mechanisms are connected to the surface of the clamping assembly. The surface of the frame is provided with a bracket, and the bracket is provided with a driving mechanism. The driving mechanism is located between the two blade pressing mechanisms. A guide rod is provided on one side of the frame, and connecting frames are provided at both ends of the guide rod, and the two connecting frames are installed on the surface of the frame. The inner wall of the driving mechanism is slidably connected to the surface of the guide rod, and the surfaces of the two mounting plates are symmetrically provided with reset assemblies, and one end of the reset assembly is connected to one end of the blade pressing mechanism.

[0006] Preferably, the positioning frame includes a central axis and a plurality of positioning plates, the inner walls of the plurality of positioning plates are connected to the surface of the central axis, the surface of the positioning plates is provided with a plurality of blade positioning grooves, the plurality of blade positioning grooves are distributed in a circular array with the center of the positioning plate as the array center, and the surface of the positioning plates is provided with a plurality of weight-reducing grooves.

[0007] Preferably, the mobile frame includes a driving plate and two guide seats, the two guide seats are symmetrically arranged on the top of the driving plate, and limiting rollers are symmetrically arranged on the surface of each guide seat, and the surfaces of the two limiting rollers are connected to the surfaces of the frame support arms. A docking ring is arranged at the center of the top of the driving plate, and the inner wall of the docking ring is connected to the telescopic end of the hydraulic telescopic rod, and a toggle block is arranged on the surface of the driving plate.

[0008] Preferably, the clamping assembly includes two connecting shafts and two fixed plates, the two fixed plates are rotatably connected to one end of the two connecting shafts, the two connecting shafts are respectively installed on the surfaces of the two mounting plates, the surfaces of the two fixed plates are provided with docking grooves, and the inner walls of the docking grooves are connected to one end of the positioning frame.

[0009] Preferably, the blade pressing mechanism includes a pressing rod and a movable ring, a connecting shaft is installed on the inner wall of the connecting seat, a connecting block is provided on the surface of the pressing rod, and the connecting block is rotatably connected to the surface of the connecting shaft, one end of the pressing rod is movably connected to the top of the movable ring, the other end of the pressing rod is connected to the surface of the driving mechanism, the movable ring is sleeved on the surface of the connecting shaft, connecting rods are symmetrically provided on the surface of the movable ring, a pressing wheel is installed on the surface of the connecting rod, a limiting column is provided on the surface of the pressing rod, and one end of the limiting column is movably connected to the surface of the mounting plate.

[0010] Preferably, the reset assembly includes a connecting plate, a guide rail and a tension spring, the connecting plate is mounted on the surface of the mounting plate, the guide rail is mounted on the surface of the connecting plate, one end of the connecting rod extends to the interior of the guide rail, and both ends of the tension spring are provided with locating pins, one of the locating pins is mounted on the surface of the mounting plate, and the other locating pin is mounted on one end of the connecting rod, and a limiting plate is provided on the surface of the locating pin.

[0011] Preferably, the driving mechanism includes a first support frame, a second support frame, a threaded rod, a second driving motor and a moving block, the first support frame is mounted on the support arm of the frame, one end of the second support frame is connected to the surface of the mounting plate, bearing seats are symmetrically arranged on the first support frame, two ends of the threaded rod are respectively connected to the inner walls of the two bearing seats, the second driving motor is mounted on the surface of the second support frame, and the output shaft of the second driving motor passes through the second support frame and is installed with a coupling, the threaded rod is installed on the output shaft of the second driving motor through the coupling, the moving block is threadedly connected to the surface of the threaded rod, and push rods are symmetrically arranged on the surface of the moving block, one end of the push rod is connected to a moving assembly, the moving assembly is connected to the surface of the guide rod, and the surface of the moving assembly is movably connected to the surface of the pressing rod.

[0012] Preferably, the moving assembly includes a linear bearing and a push plate, the linear bearing is slidably connected to the surface of the guide rod, the push plate is installed on the surface of the linear bearing, and the push rod is rotatably connected to the surface of the driving plate.

[0013] Preferably, a connecting plate is provided on the top of the first support frame, the connecting plate is connected to the top of the first support frame, a reinforcing plate is connected to the surface of the connecting plate, and an inner wall of the reinforcing plate is connected to the surface of the guide rod.

[0014] Preferably, a mounting frame and two travel switches are provided on the support arm of the frame, the mounting frame is installed on the support arm of the frame, the two travel switches are both arranged on the surface of the mounting frame, and the toggle block is located between the two travel switches, and the travel switch is electrically connected to the hydraulic telescopic rod.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The fan impeller blade installation device is provided with a positioning frame, a hydraulic telescopic rod, a mobile frame, a first driving motor, a fixed frame, a blade pressing mechanism, and a driving mechanism. The impeller with blades to be pressed is placed on the positioning frame, the hydraulic telescopic rod is started, the clamping assembly is driven to clamp the impeller, and then the driving mechanism is started. The driving mechanism pushes the blade pressing mechanism to press the blades. At the same time, the first driving motor drives the positioning frame to rotate, so that the rotation of the impeller drives the blades to pass through the blade pressing mechanism in turn. The blade pressing mechanism bends and presses the ends of the blades, which can quickly fix all the blades of the impeller and improve the processing efficiency.

[0017] 2. The fan impeller blade installation device is provided with a connecting plate, a guide rail, a tension spring, a positioning pin and a limit plate. The driving mechanism pushes the blade pressing mechanism to press the blade. The blade pressing mechanism drives one end of the tension spring to move, so that the tension spring stretches. After the blade bending and pressing is completed, the driving mechanism releases the blade pressing mechanism, the tension spring contracts, and drives the blade pressing mechanism to reset.

[0018] 3. The fan impeller blade installation device is provided with an installation frame and a travel switch. When the hydraulic telescopic rod moves upward, it drives the toggle block of the mobile frame to push the travel switch to close the hydraulic telescopic rod. When the hydraulic telescopic rod moves downward, it pushes the mobile frame to move, and the toggle block on the mobile frame moves downward. When the clamping assembly clamps the impeller, the toggle block toggle another travel switch to close the hydraulic telescopic rod, thereby controlling the travel of the mobile frame and the clamping assembly to avoid crushing the impeller and the positioning frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the position structure of the driving mechanism of the present invention;

[0021] Figure 3 This is a schematic diagram of the positioning frame structure of the present invention;

[0022] Figure 4 This is a schematic diagram of the structure of the mobile rack of the present invention;

[0023] Figure 5 It is a schematic diagram of the structure of the clamping assembly of the present invention;

[0024] Figure 6 It is a schematic diagram of the structure of the blade pressing mechanism of the present invention;

[0025] Figure 7 It is a schematic diagram of the structure of the pressing rod of the present invention;

[0026] Figure 8 It is an enlarged structural schematic diagram of the driving mechanism of the present invention;

[0027] Fig. 9 It is a schematic diagram of the structure of the connecting plate and the reinforcing plate of the present invention.

[0028] In the figure: 1, frame; 2, positioning frame; 21, central axis; 22, positioning plate; 23, blade positioning groove; 24, weight reduction groove; 3, moving frame; 31, driving plate; 32, guide seat; 33, limiting roller; 34, docking ring; 35, toggle block; 4, fixed frame; 5, hydraulic telescopic rod; 6, first driving motor; 7, mounting plate; 8, clamping assembly; 81, connecting shaft; 82, fixed plate; 83, docking groove; 9, connecting seat; 10, blade pressing mechanism; 101, pressing rod; 102, moving ring; 103, connecting shaft; 104, connecting block; 105, connecting rod; 106, pressing wheel ; 107, limit column; 11, bracket; 12, driving mechanism; 121, first support frame; 122, second support frame; 123, threaded rod; 124, second driving motor; 125, moving block; 126, bearing seat; 127, coupling; 128, push rod; 13, guide rod; 14, connecting frame; 15, reset assembly; 151, connecting plate; 152, guide rail; 153, tension spring; 154, positioning pin; 155, limit plate; 16, moving assembly; 161, linear bearing; 162, push plate; 17, connecting plate; 18, reinforcement plate; 19, mounting frame; 20, travel switch. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. 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.

[0030] See also Figure 1-2The fan impeller blade installation device comprises: a frame 1 and a positioning frame 2 for installing an impeller, a mobile frame 3 and a fixed frame 4 are respectively installed inside the frame 1, a hydraulic telescopic rod 5 is installed on the top of the frame 1, the telescopic end of the hydraulic telescopic rod 5 extends to the inside of the frame 1 and is connected to the top of the mobile frame 3, a first drive motor 6 is installed at the bottom of the fixed frame 4, mounting plates 7 are installed on the opposite surfaces of the mobile frame 3 and the fixed frame 4, clamping components 8 are arranged on the opposite surfaces of the two mounting plates 7, the output shaft of the first drive motor 6 passes through the clamping component 8 and is connected to one end of the positioning frame 2, and connecting seats 9 are arranged on the opposite surfaces of the two mounting plates 7. Each connecting seat 9 is connected to a blade pressing mechanism 10, and the two blade pressing mechanisms 10 are connected to the surface of the clamping assembly 8. A bracket 11 is provided on the surface of the frame 1, and a driving mechanism 12 is provided on the bracket 11. The driving mechanism 12 is located between the two blade pressing mechanisms 10. A guide rod 13 is provided on one side of the frame 1, and connecting frames 14 are provided at both ends of the guide rod 13, and the two connecting frames 14 are installed on the surface of the frame 1. The inner wall of the driving mechanism 12 is slidably connected to the surface of the guide rod 13, and the surfaces of the two mounting plates 7 are symmetrically provided with reset assemblies 15, and one end of the reset assembly 15 is connected to one end of the blade pressing mechanism 10.

[0031] See also Figure 3 The positioning frame 2 includes a central axis 21 and a plurality of positioning plates 22. The inner walls of the plurality of positioning plates 22 are connected to the surface of the central axis 21. The surface of the positioning plate 22 is provided with a plurality of blade positioning grooves 23. The plurality of blade positioning grooves 23 are distributed in a circular array with the center of the positioning plate 22 as the array center. The surface of the positioning plate 22 is provided with a plurality of weight-reducing grooves 24. After the blades, the wheel discs and the wheel covers are assembled, they are placed on the positioning frame 2. The blades are sequentially snapped into the inner walls of the blade positioning grooves 23. A plurality of positioning plates 22 are provided so that each blade obtains a plurality of support points, thereby improving the stability of the blade movement process.

[0032] See also Figure 4 The mobile frame 3 includes a driving plate 31 and two guide seats 32. The two guide seats 32 are symmetrically arranged on the top of the driving plate 31. The surface of each guide seat 32 is symmetrically provided with a limiting roller 33. The surface of the two limiting rollers 33 is connected to the surface of the support arm of the frame 1. A docking ring 34 is arranged at the center of the top of the driving plate 31. The inner wall of the docking ring 34 is connected to the telescopic end of the hydraulic telescopic rod 5. A toggle block 35 is arranged on the surface of the driving plate 31.

[0033] See also Figure 5 The clamping assembly 8 includes two connecting shafts 81 and two fixed plates 82. The two fixed plates 82 are rotatably connected to one end of the two connecting shafts 81 respectively. The two connecting shafts 81 are respectively installed on the surfaces of the two mounting plates 7. The surfaces of the two fixed plates 82 are provided with docking grooves 83, and the inner walls of the docking grooves 83 are connected to one end of the positioning frame 2.

[0034] See also Figure 6-7 The blade pressing mechanism 10 includes a pressing rod 101 and a movable ring 102. A connecting shaft 103 is installed on the inner wall of the connecting seat 9. A connecting block 104 is arranged on the surface of the pressing rod 101, and the connecting block 104 is rotatably connected to the surface of the connecting shaft 103. One end of the pressing rod 101 is movably connected to the top of the movable ring 102, and the other end of the pressing rod 101 is connected to the surface of the driving mechanism 12. The movable ring 102 is sleeved on the surface of the connecting shaft 81. Connecting rods 105 are symmetrically arranged on the surface of the movable ring 102. A pressing wheel 106 is installed on the surface of the connecting rod 105. A limiting column 107 is arranged on the surface of the pressing rod 101, and one end of the limiting column 107 is movably connected to the surface of the mounting plate 7.

[0035] The reset assembly 15 includes a connecting plate 151, a guide rail 152 and a tension spring 153. The connecting plate 151 is mounted on the surface of the mounting plate 7, the guide rail 152 is mounted on the surface of the connecting plate 151, one end of the connecting rod 105 extends to the inside of the guide rail 152, and both ends of the tension spring 153 are provided with positioning pins 154, one of the positioning pins 154 is mounted on the surface of the mounting plate 7, and the other positioning pin 154 is mounted on one end of the connecting rod 105. A limiting piece 155 is provided on the surface of the positioning pin 154, and the moving ring 102 drives the pressing wheel 106 through the connecting rod 105. The blades are pressed together, and at the same time, the connecting rod 105 drives one end of the tension spring 153 to move, so that the tension spring 153 stretches, and the first drive motor 6 is started. The first drive motor 6 drives the positioning frame 2 to rotate, so that the impeller rotates and drives the blades to pass through the blade pressing mechanism 10 in sequence. The pressure wheel 106 bends and presses the ends of the blades, which can quickly fix all the blades of the impeller. After the blades are bent and pressed, the pressing rod 101 releases the moving ring 102, and the tension spring 153 contracts. The tension spring 153 pulls the connecting rod 105 and the pressure wheel 106 to reset, thereby driving the moving ring 102 to reset.

[0036] See also Figure 8-9The driving mechanism 12 includes a first support frame 121, a second support frame 122, a threaded rod 123, a second driving motor 124 and a moving block 125. The first support frame 121 is installed on the support arm of the frame 1, one end of the second support frame 122 is connected to the surface of the mounting plate 7, and the first support frame 121 is symmetrically provided with a bearing seat 126. The two ends of the threaded rod 123 are respectively connected to the inner walls of the two bearing seats 126. The second driving motor 124 is installed on the surface of the second support frame 122, and the output shaft of the second driving motor 124 passes through the second support frame 122 and is installed with a coupling 127. The threaded rod 123 passes through the second support frame 122. The output shaft of the second driving motor 124 is installed through the coupling 127, the moving block 125 is threadedly connected to the surface of the threaded rod 123, and the push rod 128 is symmetrically arranged on the surface of the moving block 125. One end of the push rod 128 is connected to the moving component 16, and the moving component 16 is connected to the surface of the guide rod 13, and the surface of the moving component 16 is movably connected to the surface of the pressing rod 101. The moving component 16 includes a linear bearing 161 and a push plate 162. The linear bearing 161 is slidably connected to the surface of the guide rod 13, and the push plate 162 is installed on the surface of the linear bearing 161. The push rod 128 is rotatably connected to the surface of the driving plate 31.

[0037] A connecting plate 17 is provided on the top of the first support frame 121, and the connecting plate 17 is connected to the top of the first support frame 121. A reinforcing plate 18 is connected to the surface of the connecting plate 17, and the inner wall of the reinforcing plate 18 is connected to the surface of the guide rod 13. The connecting plate 17 and the reinforcing plate 18 cooperate to improve the stability of the guide rod 13.

[0038] A mounting frame 19 and two travel switches 20 are provided on the support arm of the frame 1. The mounting frame 19 is installed on the support arm of the frame 1. The two travel switches 20 are both arranged on the surface of the mounting frame 19, and the toggle block 35 is located between the two travel switches 20. The travel switch 20 is electrically connected to the hydraulic telescopic rod 5. When the hydraulic telescopic rod 5 moves upward, the toggle block 35 of the mobile frame 3 is driven to push the travel switch 20 to close the hydraulic telescopic rod 5. When the hydraulic telescopic rod 5 moves downward, it pushes the mobile frame 3 to move, and the toggle block 35 on the mobile frame 3 moves downward. When the clamping assembly 8 clamps the impeller, the toggle block 35 toggle another travel switch 20 to close the hydraulic telescopic rod 5, thereby controlling the travel of the mobile frame 3 and the clamping assembly 8 to avoid crushing the impeller and the positioning frame 2.

[0039] After the blades, wheel discs and wheel covers are assembled, the impeller with blades to be pressed is placed on the positioning frame 2, and the hydraulic telescopic rod 5 is started. The telescopic end of the hydraulic telescopic rod 5 extends to push the drive plate 31 to move, and the drive plate 31 pushes the mounting plate 7 to move. The mounting plate 7 pushes the connecting shaft 81 to move, and the connecting shaft 81 pushes the fixed plate 82 to move. The two fixed plates 82 clamp the impeller. While the drive plate 31 moves, the toggle block 35 moves downward. When the clamping assembly 8 clamps the impeller, the toggle block 35 toggles another travel switch 20, turns off the hydraulic telescopic rod 5, and then starts the second drive motor 124. The second drive motor 124 drives the threaded rod 123 to rotate through the coupling 127, and then pushes the moving block 125 to move. The moving block 125 drives the push plate 162 to move through the push rod 128. The push plate 1 62 pushes one end of the pressing rod 101, and the other end of the pressing rod 101 moves toward the direction of the positioning frame 2, thereby pushing the moving ring 102 to move toward the impeller. The moving ring 102 drives the pressure wheel 106 to press the blades through the connecting rod 105. At the same time, the connecting rod 105 drives one end of the tension spring 153 to move, so that the tension spring 153 stretches, and the first drive motor 6 is started. The first drive motor 6 drives the positioning frame 2 to rotate, so that the impeller rotates and drives the blades to pass through the blade pressing mechanism 10 in turn. The pressure wheel 106 bends and presses the ends of the blades, which can quickly fix all the blades of the impeller. After the blades are bent and pressed, the pressing rod 101 releases the moving ring 102, the tension spring 153 contracts, and the tension spring 153 pulls the connecting rod 105 and the pressure wheel 106 to reset, thereby driving the moving ring 102 to reset.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fan impeller blade mounting device, characterized in that: include: A frame (1) and a positioning frame (2) for installing an impeller, wherein a movable frame (3) and a fixed frame (4) are respectively installed inside the frame (1), a hydraulic telescopic rod (5) is installed on the top of the frame (1), the telescopic end of the hydraulic telescopic rod (5) extends to the inside of the frame (1) and is connected to the top of the movable frame (3), a first driving motor (6) is installed on the bottom of the fixed frame (4), mounting plates (7) are installed on the opposite surfaces of the movable frame (3) and the fixed frame (4), clamping assemblies (8) are arranged on the opposite surfaces of the two mounting plates (7), an output shaft of the first driving motor (6) passes through the clamping assembly (8) and is connected to one end of the positioning frame (2), a connecting seat (9) is arranged on the opposite surfaces of the two mounting plates (7), and the two connecting seats (9) Both are connected to a blade pressing mechanism (10), and the two blade pressing mechanisms (10) are connected to the surface of the clamping assembly (8). The surface of the frame (1) is provided with a bracket (11), and the bracket (11) is provided with a driving mechanism (12), and the driving mechanism (12) is located between the two blade pressing mechanisms (10). One side of the frame (1) is provided with a guide rod (13), and both ends of the guide rod (13) are provided with connecting frames (14), and the two connecting frames (14) are installed on the surface of the frame (1), and the inner wall of the driving mechanism (12) is slidably connected to the surface of the guide rod (13). The surfaces of the two mounting plates (7) are symmetrically provided with reset assemblies (15), and one end of the reset assembly (15) is connected to one end of the blade pressing mechanism (10).

2. The fan impeller blade mounting device according to claim 1, characterized in that: The positioning frame (2) comprises a central axis (21) and a plurality of positioning plates (22); the inner walls of the plurality of positioning plates (22) are connected to the surface of the central axis (21); the surface of the positioning plates (22) is provided with a plurality of blade positioning grooves (23); the plurality of blade positioning grooves (23) are distributed in a circular array with the center of the positioning plates (22) as the array center; and the surface of the positioning plates (22) is provided with a plurality of weight-reducing grooves (24).

3. The fan impeller blade mounting device according to claim 2, characterized in that: The mobile frame (3) comprises a driving plate (31) and two guide seats (32), the two guide seats (32) are symmetrically arranged on the top of the driving plate (31), and the surface of each guide seat (32) is symmetrically provided with a limiting roller (33), the surface of the two limiting rollers (33) is connected to the surface of the support arm of the frame (1), a docking ring (34) is arranged at the center of the top of the driving plate (31), the inner wall of the docking ring (34) is connected to the telescopic end of the hydraulic telescopic rod (5), and a toggle block (35) is arranged on the surface of the driving plate (31).

4. The fan impeller blade mounting device according to claim 1, characterized in that: The clamping assembly (8) comprises two connecting shafts (81) and two fixing plates (82). The two fixing plates (82) are rotatably connected to one end of the two connecting shafts (81), respectively. The two connecting shafts (81) are respectively mounted on the surfaces of the two mounting plates (7). The surfaces of the two fixing plates (82) are both provided with docking grooves (83), and the inner walls of the docking grooves (83) are connected to one end of the positioning frame (2).

5. The fan impeller blade mounting device according to claim 1, characterized in that: The blade pressing mechanism (10) comprises a pressing rod (101) and a movable ring (102); a connecting shaft (103) is installed on the inner wall of the connecting seat (9); a connecting block (104) is arranged on the surface of the pressing rod (101), and the connecting block (104) is rotatably connected to the surface of the connecting shaft (103); one end of the pressing rod (101) is movably connected to the top of the movable ring (102); the other end of the pressing rod (101) is connected to the surface of the driving mechanism (12); the movable ring (102) is sleeved on the surface of the connecting shaft (81); connecting rods (105) are symmetrically arranged on the surface of the movable ring (102); a pressing wheel (106) is installed on the surface of the connecting rod (105); a limiting column (107) is arranged on the surface of the pressing rod (101); one end of the limiting column (107) is movably connected to the surface of the mounting plate (7).

6. The fan impeller blade mounting device according to claim 5, characterized in that: The reset assembly (15) comprises a connecting plate (151), a guide rail (152) and a tension spring (153); the connecting plate (151) is mounted on the surface of the mounting plate (7); the guide rail (152) is mounted on the surface of the connecting plate (151); one end of the connecting rod (105) extends to the inside of the guide rail (152); both ends of the tension spring (153) are provided with positioning pins (154); one positioning pin (154) is mounted on the surface of the mounting plate (7); the other positioning pin (154) is mounted on one end of the connecting rod (105); and a limiting plate (155) is provided on the surface of the positioning pin (154).

7. The fan impeller blade mounting device according to claim 5, characterized in that: The driving mechanism (12) comprises a first support frame (121), a second support frame (122), a threaded rod (123), a second driving motor (124) and a moving block (125); the first support frame (121) is mounted on a supporting arm of the frame (1); one end of the second support frame (122) is connected to the surface of the mounting plate (7); bearing seats (126) are symmetrically arranged on the first support frame (121); two ends of the threaded rod (123) are respectively connected to the inner walls of two bearing seats (126); the second driving motor (124) is mounted on the surface of the second support frame (122); The output shaft of the second drive motor (124) passes through the second support frame (122) and is installed with a coupling (127); the threaded rod (123) is installed on the output shaft of the second drive motor (124) through the coupling (127); the moving block (125) is threadedly connected to the surface of the threaded rod (123); the surface of the moving block (125) is symmetrically provided with a push rod (128); one end of the push rod (128) is connected to a moving component (16); the moving component (16) is connected to the surface of the guide rod (13); and the surface of the moving component (16) is movably connected to the surface of the pressing rod (101).

8. The fan impeller blade mounting device according to claim 7, characterized in that: The moving assembly (16) comprises a linear bearing (161) and a push plate (162), wherein the linear bearing (161) is slidably connected to the surface of the guide rod (13), the push plate (162) is mounted on the surface of the linear bearing (161), and the push rod (128) is rotatably connected to the surface of the driving plate (31).

9. The fan impeller blade mounting device according to claim 8, characterized in that: A connecting plate (17) is provided at the top of the first support frame (121), the connecting plate (17) is connected to the top of the first support frame (121), a reinforcing plate (18) is connected to the surface of the connecting plate (17), and an inner wall of the reinforcing plate (18) is connected to the surface of the guide rod (13).

10. The fan impeller blade mounting device according to claim 1, characterized in that: A mounting frame (19) and two travel switches (20) are arranged on the support arm of the frame (1); the mounting frame (19) is mounted on the support arm of the frame (1); the two travel switches (20) are arranged on the surface of the mounting frame (19); the push block is located between the two travel switches (20); and the travel switch (20) is electrically connected to the hydraulic telescopic rod (5).

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