A vertical reinforced stirring shaft structure convenient to disassemble

Abstract

The application belongs to the technical field of biogas fermentation, in particular to a vertical reinforced stirring shaft structure convenient to disassemble and assemble, which comprises a connecting main shaft, a speed reduction rotating shaft, a double-reinforced ring type paddle fixing seat and a shaft end coupling flange group. The connecting main shafts at the top and bottom are connected through the shaft end coupling flange group, and the double-reinforced ring type paddle fixing seat is sleeved on the outer surface of the connecting main shaft. The connecting main shaft is combined together by using the combination of the hinge hole bolt and the tangential flat key after the shaft end flange finishing, forming a long shaft of special workpiece, so as to ensure the concentricity of the long shaft, prevent the swing of the shafting during work, reinforce the shaft end coupling flange group at the node of the connecting main shaft to prevent fracture and collapse and improve the safety factor. The double-reinforced ring type paddle fixing seat welded on the outer surface of the connecting main shaft can install the rotary paddle to realize the stirring work. The butt joint groove for installing the paddle can be specially customized according to the actual shape of the paddle root, so as to ensure the perfectly fitted paddle, greatly reduce the gap between the paddle root and the installation node, and improve the stability and safety and reliability of the paddle rotation.

Description

Technical Field

[0001] This invention belongs to the field of biogas fermentation technology, specifically a vertical reinforced stirring shaft structure that is easy to assemble and disassemble. Background Technology

[0002] Agitator shafts are commonly used in equipment such as reaction vessels and mixing tanks to agitate materials within the container, achieving functions such as uniform mixing, accelerated dissolution, and faster reaction. They are also used in situations where solid-liquid mixtures in the container need to be separated after agitation.

[0003] The existing connection structure of the main shaft of medium and large vertical mixers is used in biogas tank mixing and other work. However, the main shaft is too long and cannot be processed by general equipment. Using special equipment to manufacture it would lead to a sharp increase in cost. Therefore, it is necessary to process it in sections and then connect and assemble it to realize production work. The existing long mixing shaft structure is not only unstable, but also prone to the problem of connection node breakage when performing high-intensity work. Therefore, it needs to be improved. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the technical solution adopted by this invention is: a vertical reinforced stirring shaft structure that is easy to assemble and disassemble, comprising a connecting main shaft, a reduction shaft, a double-reinforced ring impeller fixing seat, and a shaft end connecting flange assembly. The upper and lower sides of the connecting main shaft are connected end-to-end by the reinforced shaft end connecting flange assembly. The double-reinforced ring impeller fixing seat is welded to the outer surface of the connecting main shaft. The bottom end of the reduction shaft is sleeved with the top end of the top connecting main shaft through the shaft end connecting flange assembly.

[0005] The double-reinforced ring impeller mounting base includes a fixing collar, a metal plate assembly, fastening bolts, and an agitator blade connector.

[0006] Both ends of the metal plate assembly are inserted into the inner cavity of the upper and lower fixing rings through mating joints. The inner wall of the fixing ring is provided with a receiving groove. The inner cavity of the metal plate assembly is bolted to the receiving groove of the fixing ring through fastening bolts. The stirring blade connector is evenly arranged on the inner wall of the fixing ring through the receiving groove.

[0007] The stirring blade connector includes a filling frame, a docking groove, and a sensing component;

[0008] The inner wall of the filling frame is fixedly connected to the receiving groove of the fixing collar by bolts. The sensing components are symmetrically arranged on the left and right sides of the outer surface of the docking groove. The back of the docking groove is threadedly connected to the middle of the inner wall of the filling frame by fixing bolts. After the blade root is inserted into the docking groove, it is welded and reinforced. The sensing components on both sides are close to the outer surface of the blade root. When the blade root moves slightly or shifts relative to the docking groove, the sensing components will immediately issue an alarm signal.

[0009] Furthermore, the sensing component includes:

[0010] An outer panel, wherein the outer surface of the outer panel is uniformly provided with mating plates, and the outer surface of the mating plates is inserted into one side of the inner cavity of the mating groove through a through groove;

[0011] The inner guide cylinder has its outer surface connected to the inner wall of the docking plate via a circumferential groove. A connecting guide rod is inserted into the outer surface of the inner guide cylinder, and the end of the connecting guide rod away from the inner guide cylinder is inserted into the inner cavity of the outer plate.

[0012] The signal terminals are evenly distributed on the outer surface of the outer plate away from the docking groove. The inner tube can transmit the received electrical signal to the signal terminals through the connecting rod. The signal terminals transmit the signal to the external receiving center to realize the early warning function.

[0013] The mating pressure rods are evenly inserted into the inside of the surrounding groove, and the end of the mating pressure rod away from the outer plate is pressed against the outer surface of the blade.

[0014] Furthermore, the docking pressure bar includes:

[0015] A sliding inner rod, one side of the outer surface of which is inserted into the interior of the surrounding groove, and a compression washer is inserted into the end of the sliding inner rod away from the surrounding groove;

[0016] The pneumatic base has its outer surface inserted into the inner cavity of the sliding inner rod on the side away from the compression washer. The inner cavity of the pneumatic base is also inserted into the inner cavity of the compression washer through an inner tube. The air pressure inside the compression washer is constant. When the compression washer is squeezed, it will pressurize the inside of the pneumatic base, and then the pneumatic base will send a signal to the external central hub.

[0017] Furthermore, the docking pressure bar also includes:

[0018] The metal guide plate is evenly inserted on the outer surface of the sliding inner rod away from the compression washer. After the metal guide plate contacts the inner cylinder, the battery inside the sliding inner rod will transmit an electrical signal to the inner cylinder through the metal guide plate. At this time, the metal guide plate, the inner cylinder, the connecting rod and the signal end form a closed loop.

[0019] A return spring belt is evenly inserted into the outer surface of the sliding inner rod. The end of the return spring belt away from the sliding inner rod is inserted into the inner wall of the surrounding groove. The sliding inner rod is restricted to the axial area of ​​the surrounding groove by the return spring belt. At this time, each metal guide plate does not contact the inner wall of the guide inner cylinder.

[0020] Furthermore, the shaft end connecting flange assembly includes:

[0021] A reinforcing ring, the inner wall of which is welded to the outer surface of the connecting spindle;

[0022] A thick bottom ring, the inner wall of which is welded to the outer surface of the connecting spindle;

[0023] A connecting flange, the top of which is inserted into the inner cavity of a reinforcing ring via a slot, and the bottom of which is inserted into the inner cavity of a thick bottom ring via a slot, the reinforcing ring being combined with the connecting flange and the thick bottom ring to form a ring sleeve, each reinforcing ring being composed of upper and lower ring sleeves connected by bolts, used to strengthen the torque of the spindle;

[0024] The filling component is located in the inner cavity of the thick bottom ring, and the filling component is located in the groove of the thick bottom ring where the upper and lower sides meet.

[0025] Further, the filling component includes:

[0026] A filling sleeve, the outer surface of which is inserted into the inner cavity of a thick bottom ring through a plug groove;

[0027] An alarm panel, the outer surface of which is inserted into the outer surface of the filling housing.

[0028] Furthermore, the filling component also includes:

[0029] A contact pad, the outer surface of which is inserted into the middle of the inner cavity of the filling housing, the bottom end of which extends to the outside of the filling housing and is inserted into the inner cavity of the alarm panel.

[0030] Furthermore, the filling component also includes:

[0031] A sliding piston, wherein the outer surface of the sliding piston is inserted into the inner cavity of the filling sleeve, and the top end of the sliding piston extends to the outside of the filling sleeve, and metal guides are uniformly provided at the bottom end of the sliding piston.

[0032] The inner spring plate has one end inserted into the inner cavity of the filling sleeve and the other end sleeved with the outer surface of the sliding piston. When the top of the sliding piston is pressed, it will pull the inner spring plate to deflect towards the side closer to the middle contact pad. At this time, the metal guide at the bottom of the sliding piston contacts the contact pad, and the alarm panel disconnects the circuit and turns off the indicator light. When the metal guide separates from the contact pad, the indicator light on the alarm panel will light up.

[0033] The beneficial effects of this invention are as follows:

[0034] 1. The connecting spindle of this device is assembled using a combination of precision-machined shaft-end flanges and reamed bolts and tangential flat keys to form a long shaft for special workpieces. This ensures the concentricity of the long shaft and prevents shaft system swaying during operation. The connecting spindle nodes are reinforced with shaft-end flange assemblies to prevent breakage and collapse, thus improving the safety factor. The double-reinforced ring blade mounting base welded to the outer surface of the connecting spindle can install rotating blades to achieve stirring operation. The mating groove for installing blades can be specially customized according to the actual shape of the blade root, thus ensuring a perfect fit for the installed blades, significantly reducing the gap between the blade root and the mounting node, and improving the stability and reliability of the blade rotation.

[0035] 2. When the blades are working, they rotate at high speed. At this time, the blades themselves will wobble, making it difficult to judge the stability of the blades. If the root of the blades becomes loose, the sensing components on both sides will send an alarm signal to the external signal receiver in time, so as to stop the work in time before the blades detach from the connecting main shaft and avoid serious accidents.

[0036] 3. The calibration of the sensing components is relatively simple and can be carried out simultaneously with the reinforcement of the blades, thus saving maintenance time and facilitating maintenance and testing. The docking pressure rod is located inside the docking groove, and the docking groove is filled by the root of the blade. Therefore, the docking pressure rod has strong anti-interference ability. After the device is installed, the docking pressure rod will not accidentally touch the inner cylinder due to external factors, thus avoiding the hidden danger of false measurement and ensuring the reliability of the device's early warning function.

[0037] 4. As this device is a special workpiece, regular maintenance is required after installation to prevent safety accidents. After prolonged use, the bolts connecting the thick bottom ring may loosen. At this time, the joint between the upper and lower thick bottom rings may widen. Due to the separation of the metal guide head, the alarm panel will form a closed loop with the contact gasket, thereby illuminating the alarm indicator light. This will remind maintenance personnel to tighten the bolts in time to ensure that the shaft end connecting flange assembly has torsional resistance and further prevent the connecting spindle from bending and breaking. Attached Figure Description

[0038] Figure 1 This is the front view of the present invention;

[0039] Figure 2 This is a schematic diagram of the structure of the double-reinforced ring blade fixing seat of the present invention;

[0040] Figure 3 This is a schematic diagram of the structure of the stirring blade connector of the present invention;

[0041] Figure 4 This is a schematic diagram of the structure of the sensing component of the present invention;

[0042] Figure 5 This is a cross-sectional view of the mating plate of the present invention;

[0043] Figure 6 This is a schematic diagram of the structure of the mating pressure bar of the present invention;

[0044] Figure 7 This is a schematic diagram of the structure of the shaft end connecting flange assembly of the present invention;

[0045] Figure 8 This is a cross-sectional view of the filling shell of the present invention.

[0046] In the diagram: 1. Connecting main shaft; 2. Reduction shaft; 3. Double-reinforced ring impeller mounting base; 4. Shaft end connecting flange assembly; 31. Fixing collar; 32. Receiving groove; 33. Metal plate assembly; 34. Fastening bolt; 5. Agitator blade connector; 51. Filler frame; 52. Docking groove; 53. Fixing bolt; 6. Sensing component; 61. Outer plate; 62. Docking pressure rod; 63. Signal terminal; 64. Docking insert plate; 65. Ring 66. Circular groove; 67. Guide inner cylinder; 68. Connecting guide rod; 621. Sliding inner rod; 622. Pneumatic base; 623. Compression washer; 624. Metal guide plate; 625. Return spring belt; 41. Reinforcing ring; 42. Thick bottom ring; 43. Connecting flange; 7. Filling component; 71. Filling sleeve; 72. Contact gasket; 73. Alarm panel; 74. Rebound inner plate; 75. Sliding piston; 76. Metal guide head. Detailed Implementation

[0047] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

[0048] Example 1, please refer to Figures 1-6 This invention provides a technical solution: a vertical reinforced stirring shaft structure that is easy to assemble and disassemble, including a connecting main shaft 1, a reduction shaft 2, a double-reinforced ring impeller fixing seat 3, and a shaft end connecting flange assembly 4. The upper and lower sides of the connecting main shaft 1 are connected end to end by the reinforced shaft end connecting flange assembly 4. The double-reinforced ring impeller fixing seat 3 is welded to the outer surface of the connecting main shaft 1. The bottom end of the reduction shaft 2 is sleeved with the top end of the top connecting main shaft 1 through the shaft end connecting flange assembly 4.

[0049] The double-reinforced ring impeller mounting base 3 includes a fixing collar 31, a metal plate assembly 33, fastening bolts 34, and an agitator blade connector 5.

[0050] The upper and lower ends of the metal plate assembly 33 are inserted into the inner cavity of the upper and lower fixing rings 31 through the mating socket. The inner wall of the fixing ring 31 is provided with a receiving groove 32. The inner cavity of the metal plate assembly 33 is bolted to the receiving groove 32 of the fixing ring 31 through the fastening bolt 34. The stirring blade connector 5 is evenly arranged on the inner wall of the fixing ring 31 through the receiving groove 32.

[0051] The stirring blade connector 5 includes a filling frame 51, a docking groove 52, and a sensing component 6;

[0052] The inner wall of the filling frame 51 is fixedly connected to the receiving groove 32 of the fixing collar 31 by bolts. The sensing components 6 are symmetrically arranged on the left and right sides of the outer surface of the docking groove 52. The back of the docking groove 52 is threadedly connected to the middle of the inner wall of the filling frame 51 by the fixing bolt 53. After the blade root is inserted into the docking groove 52, it is welded and reinforced. The sensing components 6 on both sides are close to the outer surface of the blade root. When the blade root moves slightly or shifts relative to the docking groove 52, the sensing components 6 will immediately issue an alarm signal.

[0053] Sensing component 6 includes:

[0054] The outer plate 61 has a uniformly arranged mating plate 64 on its outer surface. The outer surface of the mating plate 64 is inserted into one side of the inner cavity of the mating groove 52 through a through groove.

[0055] The inner guide cylinder 66 has an outer surface that is sleeved with the inner wall of the mating plate 64 through a surrounding groove 65. A connecting guide rod 67 is inserted into the outer surface of the inner guide cylinder 66, and the end of the connecting guide rod 67 away from the inner guide cylinder 66 is inserted into the inner cavity of the outer plate 61.

[0056] Signal terminals 63 are evenly distributed on the outer surface of the outer plate 61 on the side away from the docking groove 52. The inner cylinder 66 can transmit the received electrical signal to the signal terminals 63 through the connecting rod 67. The signal terminals 63 transmit the signal to the external receiving center to realize the early warning function.

[0057] The mating pressure rod 62 is evenly inserted into the inside of the surrounding groove 65, and the end of the mating pressure rod 62 away from the outer plate 61 is pressed against the outer surface of the blade.

[0058] The mating rod 62 includes:

[0059] The inner sliding rod 621 has one side of its outer surface inserted into the interior of the surrounding groove 65, and a compression washer 623 is inserted into the end of the inner sliding rod 621 away from the surrounding groove 65.

[0060] The outer surface of the pneumatic base 622 is inserted into the side of the inner cavity of the sliding inner rod 621 away from the compression washer 623, and the inner cavity of the pneumatic base 622 is inserted into the inner cavity of the compression washer 623 through an inner tube. The air pressure inside the compression washer 623 is constant. When the compression washer 623 is squeezed, it will pressurize the inside of the pneumatic base 622, and then the pneumatic base 622 will send a signal to the external central hub.

[0061] The mating rod 62 also includes:

[0062] Metal guide plate 624 is evenly inserted on the outer surface of sliding inner rod 621 away from compression washer 623. After metal guide plate 624 contacts inner cylinder 66, battery inside sliding inner rod 621 transmits electrical signal to inner cylinder 66 through metal guide plate 624. At this time, metal guide plate 624, inner cylinder 66, connecting rod 67 and signal terminal 63 form a closed loop.

[0063] The return spring band 625 is evenly inserted into the outer surface of the sliding inner rod 621. The end of the return spring band 625 away from the sliding inner rod 621 is inserted into the inner wall of the surrounding groove 65. The sliding inner rod 621 is restricted to the axial area of ​​the surrounding groove 65 by the return spring band 625. At this time, each metal guide plate 624 does not contact the inner wall of the guide inner cylinder 66.

[0064] Weld the ends of the connecting main shaft 1 together in sequence, then weld the deceleration shaft 2 to the top of the connecting main shaft 1. Then install the shaft end connecting flange assembly 4 at the welding node of the connecting main shaft 1. Sleeve the double reinforcing ring blade fixing seat 3 on the outer surface of the connecting main shaft 1. Then insert and weld the rotary blade at the double reinforcing ring blade fixing seat 3 to complete the assembly of the device.

[0065] Design a corresponding docking groove 52 according to the shape of the blade root, so that the inner cavity of the docking groove 52 is connected with the root of the blade. Then, insert and install the sensing components 6 on both sides of the docking groove 52. The signal receiving end of the sensing component 6 is set at a fixed point for monitoring.

[0066] When the blades are in operation, they rotate at high speed, which causes the blades themselves to wobble. When the connection between the blades and the docking groove 52 becomes loose, the wobble at the root of the blades may be small. However, when the root of the blades moves relative to the docking groove 52, it will cause the docking pressure rod 62 to move relative to the docking insert plate 64 of the outer plate 61. At this time, the metal guide plate 624 on the outer surface of the sliding inner rod 621 will contact the inner wall of the guide inner cylinder 66. The metal guide plate 624, the guide inner cylinder 66, the connecting guide rod 67 and the signal terminal 63 form a closed loop. The battery inside the sliding inner rod 621 directly supplies power to the signal terminal 63, enabling it to transmit an alarm signal to the external signal receiver. After receiving the electrical signal, the operator will immediately stop rotating the connecting spindle 1 and accurately determine the location of the loose blades based on the position of the signal source. The operator will then weld and reinforce the loose blades. After the connecting spindle 1 eliminates the safety hazard, it can operate normally.

[0067] When the blade root is obliquely offset relative to the docking groove 52, the pressure of the blade root on the compression washer 623 will increase. At this time, the compression washer 623 pressurizes the inside of the pneumatic base 622, and the pneumatic base 622 will also transmit an alarm signal to the external signal receiver.

[0068] During the process of repairing and reinforcing the blade, the outer plates 61 on both sides of the blade are pulled out from the docking groove 52. At this time, the docking pressure rod 62, which is tilted around the axis of the groove 65, will be corrected back to the axis of the groove 65 under the elastic force of the return spring belt 625. After the blade is reinforced, the sensing components 6 on both sides are reinserted into the docking groove 52, and the compression washer 623 presses tightly against the outer surface of the blade root. The sensing component 6 then resumes its warning function.

[0069] Example 2, please refer to Figures 1-8 The present invention provides a technical solution: based on embodiment 1, the shaft end connecting flange assembly 4 includes:

[0070] A reinforcing ring 41 is provided, and the inner wall of the reinforcing ring 41 is welded to the outer surface of the connecting spindle 1.

[0071] Thick bottom ring 42, the inner wall of thick bottom ring 42 is welded to the outer surface of connecting spindle 1;

[0072] The top of the connecting flange 43 is inserted into the inner cavity of the reinforcing ring 41 through a slot, and the bottom of the connecting flange 43 is inserted into the inner cavity of the thick bottom ring 42 through a slot. The reinforcing ring 41 is combined with the connecting flange 43 and the thick bottom ring 42 to form a ring sleeve. Each reinforcing ring 41 is composed of the upper and lower ring sleeves connected by bolts, which is used to strengthen the torque of the spindle.

[0073] The filling component 7 is disposed in the inner cavity of the thick bottom ring 42, and the filling component 7 is disposed in the groove of the thick bottom ring 42 where the upper and lower sides meet.

[0074] Filler component 7 includes:

[0075] The outer surface of the filling sleeve 71 is inserted into the inner cavity of the thick bottom ring 42 through a plug groove.

[0076] Alarm panel 73, the outer surface of alarm panel 73 is inserted into the outer surface of filling housing 71.

[0077] The filling component 7 also includes:

[0078] The contact pad 72 has its outer surface inserted into the middle of the inner cavity of the filling housing 71, and its bottom end extends to the outside of the filling housing 71 and is inserted into the inner cavity of the alarm panel 73.

[0079] The filling component 7 also includes:

[0080] The sliding piston 75 has its outer surface inserted into the inner cavity of the filling sleeve 71, and the top end of the sliding piston 75 extends to the outside of the filling sleeve 71. Metal guide heads 76 are evenly provided at the bottom end of the sliding piston 75.

[0081] The inner spring plate 74 has one end inserted into the inner cavity of the filling sleeve 71, and the other end sleeved on the outer surface of the sliding piston 75. When the top of the sliding piston 75 is pressed, it will pull the inner spring plate 74 to deflect towards the side closer to the middle contact pad 72. At this time, the metal guide 76 at the bottom of the sliding piston 75 contacts the contact pad 72, and the alarm panel 73 disconnects the circuit and turns off the indicator light. When the metal guide 76 separates from the contact pad 72, the indicator light of the alarm panel 73 will light up.

[0082] Before the shaft end connecting flange assembly 4 is fitted onto the outer surface of the connecting spindle 1, the operator welds the reinforcing ring 41 together with the thick bottom ring 42 through the connecting flange 43 to form a ring sleeve. The rings are then fitted onto the welding joint of the connecting spindle 1 in pairs. The thick bottom rings 42 on both sides are then reinforced together with bolts. The reinforcing rings 41 on both sides are then welded onto the outer surface of the connecting spindle 1 on both sides. Finally, the filling component 7 is inserted into the cavity reserved in the thick bottom ring 42 to complete the assembly.

[0083] After the filling sleeve 71 is inserted into the cavity of the thick bottom ring 42, the sliding pistons 75 on both the upper and lower sides will be pressed into the inside of the filling sleeve 71 due to the squeezing action of the thick bottom ring 42. At this time, the metal guides 76 of the sliding pistons 75 on both sides are squeezed against the contact pad 72 in the middle. When the bolts connecting the thick bottom ring 42 become loose, the joint of the thick bottom rings 42 on both the upper and lower sides may widen. At this time, the sliding piston 75 will slide out from the inside of the filling sleeve 71 due to the elastic force of the rebound inner plate 74, which will cause its metal guide 76 to separate from the contact pad 72. At this time, the alarm panel 73 will form a closed circuit with the contact pad 72 due to the separation of the metal guide 76, and then the alarm indicator light will light up to remind the maintenance personnel that the bolts at this point need to be tightened.

[0084] Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in the present invention, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A vertical reinforced stirring shaft structure that is easy to assemble and disassemble, comprising a connecting main shaft (1), a reduction shaft (2), a double-reinforced ring impeller fixing seat (3), and a shaft end connecting flange assembly (4). The upper and lower sides of the connecting main shaft (1) are connected end to end by the reinforced shaft end connecting flange assembly (4). The double-reinforced ring impeller fixing seat (3) is welded to the outer surface of the connecting main shaft (1). The bottom end of the reduction shaft (2) is sleeved with the top end of the top connecting main shaft (1) through the shaft end connecting flange assembly (4). Its features are: The double-reinforced ring impeller mounting base (3) includes a fixing collar (31), a metal plate assembly (33), fastening bolts (34), and an agitator blade connector (5): The upper and lower ends of the metal plate assembly (33) are connected to the inner cavity of the upper and lower fixed collars (31) through the butt joint. The inner wall of the fixed collar (31) is provided with a receiving groove (32). The inner cavity of the metal plate assembly (33) is bolted to the receiving groove (32) of the fixed collar (31) through the fastening bolt (34). The stirring blade connector (5) is evenly arranged on the inner wall of the fixed collar (31) through the receiving groove (32). The stirring blade connector (5) includes a filling frame (51), a docking groove (52), and a sensing component (6). The inner wall of the filling frame (51) is fixedly connected to the receiving groove (32) of the fixing collar (31) by bolts. The sensing components (6) are symmetrically arranged on the left and right sides of the outer surface of the docking groove (52). The back of the docking groove (52) is threadedly connected to the middle of the inner wall of the filling frame (51) by fixing bolts (53). After the blade root is inserted into the docking groove (52), it is welded and reinforced. The sensing components (6) on both sides are close to the outer surface of the blade root. When the blade root moves slightly or shifts relative to the docking groove (52), the sensing components (6) will immediately issue an alarm signal.

2. The easily detachable vertical reinforced stirring shaft structure according to claim 1, characterized in that: The sensing component (6) includes: Outer plate (61), the outer surface of the outer plate (61) is uniformly provided with mating plates (64), the outer surface of the mating plates (64) is inserted into one side of the inner cavity of the mating groove (52) through the through groove; The inner guide cylinder (66) has its outer surface connected to the inner wall of the docking plate (64) through a surrounding groove (65). A connecting guide rod (67) is inserted into the outer surface of the inner guide cylinder (66), and one end of the connecting guide rod (67) away from the inner guide cylinder (66) is inserted into the inner cavity of the outer plate (61). The signal terminals (63) are evenly distributed on the outer surface of the outer plate (61) on the side away from the mating groove (52); The docking pressure bar (62) is evenly inserted into the inside of the surrounding groove (65), and the end of the docking pressure bar (62) away from the outer plate (61) is pressed against the outer surface of the blade.

3. The easily detachable vertical reinforced stirring shaft structure according to claim 2, characterized in that: The docking pressure bar (62) includes: A sliding inner rod (621) has one side of its outer surface inserted into the interior of the surrounding groove (65), and a compression washer (623) is inserted at the end of the sliding inner rod (621) away from the surrounding groove (65). The pneumatic base (622) has its outer surface inserted into the side of the inner cavity of the sliding inner rod (621) away from the compression washer (623), and the inner cavity of the pneumatic base (622) is inserted into the inner cavity of the compression washer (623) through an inner tube.

4. The easily detachable vertical reinforced stirring shaft structure according to claim 3, characterized in that: The docking pressure bar (62) also includes: Metal guide plate (624), the metal guide plate (624) is evenly inserted into the outer surface of the sliding inner rod (621) on the side away from the compression washer (623); A return spring band (625) is evenly inserted into the outer surface of the sliding inner rod (621), and the end of the return spring band (625) away from the sliding inner rod (621) is inserted into the inner wall of the surrounding groove (65).

5. The easily detachable vertical reinforced stirring shaft structure according to claim 1, characterized in that: The shaft end connecting flange assembly (4) includes: A reinforcing ring (41) is provided, the inner wall of which is welded to the outer surface of the connecting spindle (1); A thick bottom ring (42) is provided, the inner wall of which is welded to the outer surface of the connecting spindle (1); A connecting flange (43) is provided, the top of which is inserted into the inner cavity of a reinforcing ring (41) via a slot, and the bottom of which is inserted into the inner cavity of a thick bottom ring (42) via a slot. The filling component (7) is disposed in the inner cavity of the thick bottom ring (42).

6. The easily detachable vertical reinforced stirring shaft structure according to claim 5, characterized in that: The filling component (7) includes: A filling sleeve (71) is inserted into the inner cavity of a thick bottom ring (42) via a plug groove on its outer surface. An alarm panel (73) is inserted into the outer surface of a filler housing (71).

7. The easily detachable vertical reinforced stirring shaft structure according to claim 6, characterized in that: The filling component (7) further includes: A contact pad (72) is inserted into the middle of the inner cavity of the filling housing (71) on its outer surface. The bottom end of the contact pad (72) extends to the outside of the filling housing (71) and is inserted into the inner cavity of the alarm panel (73).

8. The easily detachable vertical reinforced stirring shaft structure according to claim 7, characterized in that: The filling component (7) further includes: A sliding piston (75) is inserted into the inner cavity of the filling sleeve (71) on its outer surface, and the top end of the sliding piston (75) extends to the outside of the filling sleeve (71). Metal guides (76) are uniformly provided at the bottom end of the sliding piston (75). The inner spring plate (74) has one end inserted into the inner cavity of the filling sleeve (71) and the other end sleeved with the outer surface of the sliding piston (75).

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