A super-large array fan section main shaft wheel disc hoisting device

Abstract

The application discloses a super-large array fan section main shaft wheel disc hoisting device and relates to the field of hoisting devices. The device comprises a portal frame, a hoisting trolley movably installed on the portal frame, moving wheels movably installed at the four corners of the hoisting trolley, a driving motor and a winding drum installed on the hoisting trolley, and a hoisting steel cable wound on the winding drum. It is to be noted that in the embodiment of the application, when the hoisting trolley moves, the contact plate is in contact with the hoisting trolley, thus actively detecting the hoisting trolley. If the hoisting trolley is tilted, the leveling motor is started, the wedge-shaped leveling push bar is inserted into the wedge-shaped leveling seat, and the position of the hoisting trolley is leveled, thus avoiding the problem of hoisting accidents caused by the tilting of the hoisting trolley. In addition, when the leveling push bar moves, the anti-loosening rack is moved below the follow-up rotating frame, the follow-up rotating frame is blocked, and the problem of winding drum failure is avoided.

Description

Technical Field

[0001] This invention relates to the field of hoisting equipment technology, and in particular to a hoisting device for an extra-large array-type fan section main shaft wheel. Background Technology

[0002] "Extra-large array fan" refers to a ventilation or heat dissipation equipment system composed of numerous individual fan units arranged in a specific geometric structure (usually a grid), with a very large overall size and air delivery capacity. When assembling the main shaft wheel of the extra-large array fan section, due to its huge size, it needs to be hoisted by a gantry crane.

[0003] During gantry crane lifting operations, the trolley controls the winding and unwinding of the steel cable, allowing the cable to be lifted onto the main shaft wheel of the extra-large array fan section via the hook. Therefore, the safe and stable operation of the trolley is crucial during lifting. However, the trolley moves on the gantry's tracks using its moving wheels. Due to long-term heavy-duty movement, one side of the trolley may collapse during operation due to wheel wear, track wear, or track installation errors, causing the trolley to tilt. This tilting exacerbates wear and tear, leading to fatigue cracks in the steel structure, severely impacting equipment lifespan, and increasing the risk of derailment and production accidents. Furthermore, the trolley controls the winding of the steel cable via a winding drum. Therefore, an accident involving the trolley may also damage the winding drum, causing it to fail and potentially leading to the hook falling and causing another production accident. Summary of the Invention

[0004] The purpose of this invention is to provide an extra-large array-type fan section main shaft wheel hoisting device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A large array-type fan section main shaft wheel hoisting device includes a gantry frame, on which a lifting trolley is movably mounted. Each of the four corners of the lifting trolley is movably mounted with a moving wheel. A drive motor and a winding drum are mounted on the lifting trolley. A hoisting steel cable is wound on the winding drum, and a hook is connected to the hoisting steel cable.

[0007] It also includes a follow-up position detection device, which is installed on the gantry and is used to detect the position of the crane trolley. The follow-up position detection device includes multiple mounting bases, which are respectively installed on the inner walls of both sides of the gantry. A lifting detection frame is movably installed on the mounting base. A contact plate is movably installed on the multiple lifting detection frames located on the same side. The contact plate contacts the crane trolley. Multiple movable grooves are opened on the contact plate, and the lifting detection frame is slidably installed in the movable grooves.

[0008] It also includes an active leveling protection device, which is installed on the gantry and is used to actively level the crane trolley. The active leveling protection device includes two leveling seats, both of which are installed on the crane trolley. Two leveling push bars are slidably installed on the gantry and are inserted into the two leveling seats for leveling the crane trolley.

[0009] It also includes an anti-loosening device, which is installed on the lifting trolley and is used to restrict the winding drum; the anti-loosening device includes a winding seat, which is installed on the lifting trolley, and a follower rotating frame is rotatably mounted on the winding seat. The follower rotating frame is kinetically connected to the winding drum, and an anti-loosening rack is slidably mounted on the winding seat. The anti-loosening rack is used to block the rotation of the follower rotating frame.

[0010] Furthermore, in a preferred embodiment of the present invention, the follow-up position detection device further includes a plurality of extrusion pushers, which are slidably mounted on a plurality of mounting bases respectively;

[0011] The lifting detection frame is equipped with a drive bracket, and the extrusion push frame is rotatably mounted with a drive push shaft, which is movably installed inside the drive bracket.

[0012] Both sides of the lifting trolley are equipped with arc-shaped compression seats, and the movement of the lifting trolley is achieved by the compression pusher being pressed by the arc-shaped compression seats.

[0013] Furthermore, in a preferred embodiment of the present invention, a pushing groove is provided on the mounting base, and the extrusion pusher is slidably installed in the pushing groove;

[0014] A push spring is installed on the inner wall of the push groove, and the push spring is mounted on the extrusion pusher.

[0015] Furthermore, in a preferred embodiment of the present invention, a detection spring is installed on the bottom inner wall of the mounting base, and the detection spring is mounted on the lifting detection frame;

[0016] The top and bottom sides of the lifting detection frame are each equipped with a support spring, and the two support springs are respectively installed on the inner walls of the top and bottom sides of the movable slide.

[0017] Furthermore, in a preferred embodiment of the present invention, the active leveling protection device further includes a leveling motor, which is mounted on the gantry frame;

[0018] A drive shaft is mounted on the output shaft of the leveling motor, and a leveling rod is mounted on the drive shaft. The leveling rod is movably mounted on two leveling push bars.

[0019] Furthermore, in a preferred embodiment of the present invention, both of the leveling push bars are provided with leveling grooves, and two leveling drive shafts are rotatably mounted on the leveling rotating rod, with the two leveling drive shafts respectively movably mounted in the two leveling grooves;

[0020] The gantry frame has two leveling limiting slots, and the two leveling push bars are slidably installed in the two leveling limiting slots respectively.

[0021] Furthermore, in a preferred embodiment of the present invention, motor switches are installed on the inner walls of the top and bottom sides of the movable slide, and both motor switches are electrically connected to the leveling motor.

[0022] Furthermore, in a preferred embodiment of the present invention, the anti-loosening device further includes a transverse sliding carriage, the winding seat is provided with a transverse sliding hole, the transverse sliding carriage is slidably installed in the transverse sliding hole, and the anti-loosening rack is installed on the transverse sliding carriage;

[0023] An extension shaft is rotatably mounted on the winding seat, the extension shaft is mounted on the winding drum, and the follower rotating frame is mounted on the extension shaft.

[0024] Furthermore, in a preferred embodiment of the present invention, a drive rack is slidably mounted on the lifting trolley, and the drive rack is mounted on the leveling push bar;

[0025] The crane trolley is equipped with a gear seat, a gear shaft is rotatably mounted on the gear seat, and a transition gear is mounted on the gear shaft. The anti-loosening rack and the driving rack both mesh with the transition gear.

[0026] Furthermore, in a preferred embodiment of the present invention, the lifting trolley is provided with a transition hole, and the drive rack is slidably installed in the transition hole.

[0027] The beneficial effects of the extra-large array-type fan section main shaft wheel hoisting device proposed in this invention are:

[0028] In this invention, by setting up a follow-up position detection device, when the crane trolley moves, it drives two arc-shaped extrusion seats to move. The arc-shaped extrusion seats extrude the corresponding extrusion pusher to move. The movement of the extrusion pusher drives the push shaft to move, which in turn drives the support to move. The movement of the support drives the lifting detection frame to move, and the movement of the lifting detection frame drives the contact plate to move, so that the contact plate contacts the crane trolley. As a result, when one side of the crane trolley rises or falls, the contact plate rises or falls under the force of the two support springs. This causes the motor switch to be triggered by the lifting detection frame, thereby turning on the leveling motor and realizing active detection of the crane trolley. Furthermore, the contact plate contacts the crane trolley intermittently, avoiding the problem of insufficient detection caused by prolonged contact between the contact plate and the crane trolley and wear.

[0029] Furthermore, in this invention, by setting up an active leveling protection device, when the leveling motor starts, the driving shaft drives the leveling rod to rotate, and the rotation of the leveling rod drives two leveling drive shafts to rotate, so that the leveling drive shafts drive the leveling push bar to move. At the same time, the leveling drive shaft slides in the leveling groove, and the leveling push bar slides horizontally in the leveling limiting groove, so that the wedge-shaped leveling push bar is inserted into the wedge-shaped leveling seat, thereby leveling the position of the lifting trolley and avoiding the problem of lifting accidents caused by the tilting of the lifting trolley.

[0030] Furthermore, in this invention, by setting up an anti-loosening device, when the leveling push bar moves, the drive rack moves and drives the adapter gear to rotate. The rotation of the adapter gear rotates on the gear seat through the gear shaft. The rotation of the adapter gear drives the anti-loosening rack to move. The anti-loosening rack slides horizontally in the transverse sliding hole through the transverse sliding bracket, so that the anti-loosening rack moves to the bottom of the follower rotating frame and blocks the follower rotating frame, thus avoiding the problem of the winding drum continuing to rotate when it is unrestrained. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the fractured three-dimensional structure of a large array-type fan section main shaft wheel disk hoisting device provided in an embodiment of the present invention;

[0032] Figure 2 A schematic diagram of the fractured bottom view of the gantry frame of an extra-large array-type fan section main shaft wheel disk hoisting device provided in an embodiment of the present invention;

[0033] Figure 3 A partial structural diagram showing the connection between the mounting base and leveling seat of an extra-large array-type fan section main shaft wheel disk hoisting device provided in an embodiment of the present invention;

[0034] Figure 4 A schematic diagram of the fracture structure connecting the leveling seat and the winding seat of an extra-large array-type fan section main shaft wheel disk hoisting device provided in an embodiment of the present invention;

[0035] Figure 5 This is a schematic diagram of the connection between the lifting and testing frame and the drive shaft and other structures of an extra-large array-type fan section main shaft wheel disk hoisting device provided in an embodiment of the present invention;

[0036] Figure 6 This is a partial structural diagram showing the connection between the lifting and detection frame and the contact plate of an extra-large array-type fan section main shaft wheel disk hoisting device provided in an embodiment of the present invention.

[0037] Figure 7 This is a cross-sectional structural diagram showing the connection between the mounting base and the lifting and testing frame of an extra-large array-type fan section main shaft wheel disk hoisting device provided in an embodiment of the present invention.

[0038] Figure 8 A partial structural diagram showing the connection between the leveling push bar and the leveling rotating rod of a super-large array-type fan section main shaft wheel disk hoisting device provided in an embodiment of the present invention;

[0039] Figure 9 A partial structural diagram showing the connection between the leveling seat and the leveling push bar of an extra-large array-type fan section main shaft wheel hoisting device provided in an embodiment of the present invention;

[0040] Figure 10 An embodiment of the present invention provides a hoisting device for the main shaft disc of an extra-large array-type fan section. Figure 4 A schematic diagram of the structure of part A.

[0041] In the diagram: 1-Gantry frame; 2-Lifting trolley; 3-Moving wheel; 4-Drive motor; 5-Winding drum; 6-Lifting cable; 7-Follow-up position detection device; 701-Mounting base; 702-Lifting detection frame; 703-Contact plate; 704-Moving slide; 705-Support spring; 706-Detection spring; 707-Extrusion pusher; 708-Arc-shaped extrusion seat; 709-Return spring; 710-Drive bracket; 711-Drive push shaft; 712-Push slide; 8-Active leveling protection device; 801-Leveling seat; 80 2-Leveling push bar; 803-Leveling motor; 804-Drive shaft; 805-Leveling rotating rod; 806-Leveling smooth groove; 807-Leveling drive shaft; 808-Motor switch; 809-Leveling limiting groove; 9-Anti-loosening device; 901-Winding seat; 902-Follow-up rotating frame; 903-Horizontal sliding hole; 904-Horizontal sliding frame; 905-Anti-loosening rack; 906-Adapter hole; 907-Drive rack; 908-Adapter gear; 909-Gear seat; 910-Gear shaft; 911-Extension shaft; 10-Hook. Detailed Implementation

[0042] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0043] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0044] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0045] Furthermore, in the description of this invention, it should be noted that the terms "center," "upper," "lower," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this invention is in use. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0046] Furthermore, terms such as "horizontal," "vertical," and "perpendicular" do not imply that components must be absolutely vertical, but rather that they can be slightly tilted. For example, "vertical" simply means that its direction is more vertical relative to "horizontal," not that the structure must be completely vertical, but can be slightly tilted.

[0047] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0048] Please refer to the attached instruction manual. Figures 1-10 The present invention provides an extra-large array-type fan section main shaft wheel hoisting device, which includes a gantry frame 1, a hoisting trolley 2 movably mounted on the gantry frame 1, movable wheels 3 movably mounted at the four corners of the hoisting trolley 2, and a drive motor 4 and a winding drum 5 mounted on the hoisting trolley 2. A hoisting steel cable 6 is wound on the winding drum 5, and a hook 10 is connected to the hoisting steel cable 6.

[0049] Further, please refer to the appendix to the instruction manual. Figures 3-7This invention provides a large-scale array-type fan section main shaft wheel hoisting device, which also includes a follow-up position detection device 7. The follow-up position detection device 7 is mounted on the gantry frame 1 and is used to detect the position of the lifting trolley 2. Specifically, the follow-up position detection device 7 includes multiple mounting bases 701, which are respectively mounted on the inner walls of both sides of the gantry frame 1. A lifting detection frame 702 is movably mounted on each mounting base 701. Contact plates 703 are movably mounted on the multiple lifting detection frames 702 located on the same side. The contact plates 703 contact the lifting trolley 2, and multiple movable grooves 704 are provided on the contact plates 703. The lifting detection frames 702 are slidably mounted within the movable grooves 704. It should be noted that in this embodiment of the invention, when the lifting trolley 2 moves, the movement of the lifting detection frames 702 causes the contact plates 703 to move, thereby making the contact plates 703 contact the lifting trolley 2, achieving the purpose of actively detecting the lifting trolley 2.

[0050] More specifically, in this embodiment of the invention, an active leveling protection device 8 is also included. The active leveling protection device 8 is installed on the gantry frame 1 and is used to actively level the crane trolley 2. The active leveling protection device 8 includes two leveling seats 801, both of which are installed on the crane trolley 2. Two leveling push bars 802 are slidably installed on the gantry frame 1, and the two leveling push bars 802 are inserted into the two leveling seats 801 for leveling the crane trolley 2. It should be noted that in this embodiment of the invention, when the crane trolley 2 is tilted, the leveling motor 803 is activated, causing the wedge-shaped leveling push bars 802 to insert into the wedge-shaped leveling seats 801, leveling the position of the crane trolley 2 and preventing lifting accidents caused by the tilting of the crane trolley 2.

[0051] More specifically, in this embodiment of the invention, an anti-loosening device 9 is also included. The anti-loosening device 9 is installed on the lifting trolley 2 and is used to restrict the winding drum 5. The anti-loosening device 9 includes a winding seat 901, which is installed on the lifting trolley 2. A follower rotating frame 902 is rotatably mounted on the winding seat 901 and is connected to the winding drum 5. An anti-loosening rack 905 is slidably mounted on the winding seat 901 and is used to block the rotation of the follower rotating frame 902. It should be noted that in this embodiment of the invention, when the leveling push bar 802 moves, the anti-loosening rack 905 moves to below the follower rotating frame 902 to block the follower rotating frame 902, thus preventing the winding drum 5 from continuing to rotate when it is unrestrained, which could cause the hook 10 to fall.

[0052] Please continue to refer to the instruction manual appendix. Figures 3-7Furthermore, the extra-large array-type fan section main shaft wheel hoisting device provided in this embodiment of the invention includes a follow-up position detection device 7, which further includes multiple extrusion pushers 707, which are slidably mounted on multiple mounting bases 701; a driving bracket 710 is mounted on the lifting detection frame 702, and a driving push shaft 711 is rotatably mounted on the extrusion pusher 707, which is movably mounted in the driving bracket 710;

[0053] Furthermore, both sides of the lifting trolley 2 are equipped with arc-shaped compression seats 708. The movement of the lifting trolley 2 is achieved by the arc-shaped compression seats 708 pressing the compression pusher 707. It should be noted that, in this embodiment of the invention, when the lifting trolley 2 moves, it drives the two arc-shaped compression seats 708 to move, causing the arc-shaped compression seats 708 to press the corresponding compression pusher 707 to move. The movement of the compression pusher 707 drives the push shaft 711 to move, which in turn drives the bracket 710 to move. The movement of the bracket 710 drives the lifting detection frame 702 to move, and the movement of the lifting detection frame 702 drives the contact plate 703 to move, so that the contact plate 703 contacts the lifting trolley 2, thereby achieving the purpose of automatic detection.

[0054] More specifically, in this embodiment of the invention, a pushing groove 712 is provided on the mounting base 701, and the extrusion pusher 707 is slidably installed in the pushing groove 712; a return spring 709 is installed on the inner wall of the pushing groove 712, and the return spring 709 is installed on the extrusion pusher 707. It should be noted that, in this embodiment of the invention, when the extrusion pusher 707 is extruded and moved, it slides horizontally in the pushing groove 712, causing the return spring 709 to be under force. Therefore, under the rebound force of the return spring 709, the extrusion pusher 707 can be helped to return to its original position.

[0055] More specifically, in this embodiment of the invention, a detection spring 706 is installed on the inner wall of the bottom side of the mounting base 701, and the detection spring 706 is installed on the lifting detection frame 702; support springs 705 are installed on both the top and bottom sides of the lifting detection frame 702, and the two support springs 705 are respectively installed on the inner walls of the top and bottom sides of the movable slide 704. It should be noted that, in this embodiment of the invention, when the contact plate 703 contacts the lifting trolley 2, if one side of the lifting trolley 2 is uneven, the contact plate 703 will rise or fall under the force of the two support springs 705. At the same time, when the lifting detection frame 702 moves down and causes the contact plate 703 to contact the lifting trolley 2, the detection spring 706 will be stressed. Therefore, the rebound force of the detection spring 706 can help the lifting detection frame 702 to rebound and reset.

[0056] Please refer to the instruction manual attached. Figures 3-4 and Figures 8-9Furthermore, the active leveling protection device 8 of the extra-large array-type fan section main shaft wheel hoisting device provided in this embodiment of the invention also includes a leveling motor 803, which is mounted on the gantry frame 1; a drive shaft 804 is mounted on the output shaft of the leveling motor 803, and a leveling rotating rod 805 is mounted on the drive shaft 804. The leveling rotating rod 805 is movably mounted on two leveling push bars 802. It should be noted that, in this embodiment of the invention, the leveling motor 803 drives the drive shaft 804 to rotate, causing the leveling rotating rod 805 to drive the two leveling push bars 802 to move, thereby achieving the purpose of synchronous movement of the two leveling push bars 802.

[0057] More specifically, in this embodiment of the invention, both leveling push bars 802 are provided with leveling grooves 806, and two leveling drive shafts 807 are rotatably mounted on the leveling rotating rod 805. The two leveling drive shafts 807 are respectively movably installed in the two leveling grooves 806.

[0058] In addition, two leveling limiting slots 809 are provided on the gantry frame 1, and two leveling push bars 802 are slidably installed in the two leveling limiting slots 809 respectively. It should be noted that, in this embodiment of the invention, when the leveling motor 803 is started, the driving shaft 804 drives the leveling rotating rod 805 to rotate, and the rotation of the leveling rotating rod 805 drives the two leveling driving shafts 807 to rotate, so that the leveling driving shafts 807 drive the leveling push bars 802 to move. At the same time, the leveling driving shafts 807 slide in the leveling groove 806, and the leveling push bars 802 slide horizontally in the leveling limiting slots 809, so that the wedge-shaped leveling push bars 802 are inserted into the wedge-shaped leveling seats 801, thereby leveling the position of the lifting trolley 2.

[0059] Please continue to refer to the instruction manual appendix. Figures 3-4 and Figures 8-9 More specifically, in this embodiment of the invention, motor switches 808 are installed on the inner walls of both the top and bottom sides of the movable slide 704, and both motor switches 808 are electrically connected to the leveling motor 803. It should be noted that in this embodiment of the invention, when the contact plate 703 contacts the lifting trolley 2, if one side of the lifting trolley 2 rises or falls, the contact plate 703 will rise or fall under the force of the two support springs 705, thereby causing the motor switches 808 to be pressed and triggered by the lifting detection frame 702, achieving the purpose of automatically triggering the leveling motor 803.

[0060] Please refer to the instruction manual attached. Figure 4 and Figure 10Furthermore, the extra-large array-type fan section main shaft wheel hoisting device provided in this embodiment of the invention includes a transverse slide 904 as an anti-loosening device 9. A transverse slide hole 903 is provided on the winding seat 901. The transverse slide 904 is slidably installed in the transverse slide hole 903. An anti-loosening rack 905 is installed on the transverse slide 904.

[0061] Furthermore, an extension shaft 911 is rotatably mounted on the winding seat 901, and the extension shaft 911 is mounted on the winding drum 5. A follower rotating frame 902 is mounted on the extension shaft 911. It should be noted that, in this embodiment of the invention, when the winding drum 5 rotates, it drives the extension shaft 911 to rotate on the winding seat 901, and also drives the follower rotating frame 902 to rotate. In the event of an accident involving the winding drum 5, the anti-loosening rack 905 slides horizontally within the transverse sliding hole 903 via the transverse sliding bracket 904, causing the anti-loosening rack 905 to move below the follower rotating frame 902, thus blocking the follower rotating frame 902 and preventing the winding drum 5 from continuously rotating when unrestrained.

[0062] More specifically, in this embodiment of the invention, a drive rack 907 is slidably mounted on the lifting trolley 2, and the drive rack 907 is mounted on the leveling push bar 802. Furthermore, a gear seat 909 is mounted on the lifting trolley 2, a gear shaft 910 is rotatably mounted on the gear seat 909, and a transition gear 908 is mounted on the gear shaft 910. Both the anti-loosening rack 905 and the drive rack 907 mesh with the transition gear 908. It should be noted that in this embodiment of the invention, when the leveling push bar 802 moves, the drive rack 907 moves, causing the transition gear 908 to rotate. The rotation of the transition gear 908 rotates on the gear seat 909 via the gear shaft 910, and the rotation of the transition gear 908 causes the anti-loosening rack 905 to move, achieving the purpose of synchronous movement of the anti-loosening rack 905 and the drive rack 907.

[0063] Please continue to refer to the instruction manual appendix. Figures 4-10 More specifically, in this embodiment of the invention, the lifting trolley 2 is provided with a transition hole 906, and the drive rack 907 is slidably installed in the transition hole 906. It should be noted that in this embodiment of the invention, the drive rack 907 slides horizontally within the transition hole 906 when it moves.

[0064] In summary, the working principle of the extra-large array-type fan section main shaft wheel hoisting device provided in this embodiment of the invention is as follows:

[0065] When the crane trolley 2 moves, it moves on the gantry 1 via multiple moving wheels 3. When the crane trolley 2 moves, it drives the two arc-shaped extrusion seats 708 to move, so that the arc-shaped extrusion seats 708 extrude the corresponding extrusion pusher 707 to move. The extrusion pusher 707 slides horizontally in the push groove 712, and the return spring 709 is subjected to force. At the same time, the movement of the extrusion pusher 707 drives the push shaft 711 to move, which in turn drives the support 710 to move. The movement of the support 710 drives the lifting detection frame 702 to move, and the movement of the lifting detection frame 702 drives the contact plate 703 to move, so that the contact plate 703 contacts the crane trolley 2.

[0066] It should be noted that if the position of the crane trolley 2 becomes skewed due to wear of the moving wheels 3 or the gantry frame 1, one side of the crane trolley 2 will rise or fall. This, in turn, will cause the contact plate 703 to rise or fall under the force of the two support springs 705. This will trigger the motor switch 808 by the lifting detection frame 702, thereby opening the leveling motor 803 and enabling active detection of the crane trolley 2. Furthermore, the contact plate 703 will intermittently contact the crane trolley 2 to prevent prolonged contact and wear, which could lead to insufficient detection.

[0067] Furthermore, when the leveling motor 803 is started, the leveling rod 805 is driven to rotate via the drive shaft 804. The rotation of the leveling rod 805 drives the two leveling drive shafts 807 to rotate, which in turn drives the leveling push bar 802 to move. At the same time, the leveling drive shaft 807 slides in the leveling groove 806, and the leveling push bar 802 slides horizontally in the leveling limiting groove 809, so that the wedge-shaped leveling push bar 802 is inserted into the wedge-shaped leveling seat 801, thereby leveling the position of the lifting trolley 2 and preventing the lifting trolley 2 from tilting and causing a lifting accident.

[0068] Furthermore, when the leveling push bar 802 moves, it drives the drive rack 907 to slide horizontally within the transition hole 906. The movement of the drive rack 907 drives the transition gear 908 to rotate. The rotation of the transition gear 908 rotates on the gear seat 909 via the gear shaft 910. The rotation of the transition gear 908 drives the anti-loosening rack 905 to move. The anti-loosening rack 905 slides horizontally within the transverse sliding hole 903 via the transverse sliding bracket 904, so that the anti-loosening rack 905 moves to the bottom of the follower rotating frame 902, blocking the follower rotating frame 902 and preventing the winding drum 5 from continuously rotating when it is unrestrained.

[0069] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A hoisting device for the main shaft disc of an extra-large array-type fan section, characterized in that, It includes a gantry frame, on which a lifting trolley is movably mounted. Each of the four corners of the lifting trolley is movably mounted with a moving wheel. The lifting trolley is equipped with a drive motor and a winding drum. A lifting steel cable is wound on the winding drum, and a hook is connected to the lifting steel cable. It also includes a follow-up position detection device, which is installed on the gantry and is used to detect the position of the crane trolley. The follow-up position detection device includes multiple mounting bases, which are respectively installed on the inner walls of both sides of the gantry. A lifting detection frame is movably installed on the mounting base. A contact plate is movably installed on the multiple lifting detection frames located on the same side. The contact plate contacts the crane trolley. Multiple movable grooves are opened on the contact plate, and the lifting detection frame is slidably installed in the movable grooves. It also includes an active leveling protection device, which is installed on the gantry and is used to actively level the crane trolley. The active leveling protection device includes two leveling seats, both of which are installed on the crane trolley. Two leveling push bars are slidably installed on the gantry and are inserted into the two leveling seats for leveling the crane trolley. It also includes an anti-loosening device, which is installed on the lifting trolley and is used to restrict the winding drum; the anti-loosening device includes a winding seat, which is installed on the lifting trolley, and a follower rotating frame is rotatably mounted on the winding seat. The follower rotating frame is kinetically connected to the winding drum, and an anti-loosening rack is slidably mounted on the winding seat. The anti-loosening rack is used to block the rotation of the follower rotating frame.

2. The extra-large array-type fan section main shaft wheel hoisting device according to claim 1, characterized in that, The follow-up position detection device also includes multiple extrusion pushers, which are slidably mounted on multiple mounting bases respectively. The lifting detection frame is equipped with a drive bracket, and the extrusion push frame is rotatably mounted with a drive push shaft, which is movably installed inside the drive bracket. Both sides of the lifting trolley are equipped with arc-shaped compression seats, and the movement of the lifting trolley is achieved by the compression pusher being pressed by the arc-shaped compression seats.

3. The extra-large array-type fan section main shaft wheel hoisting device according to claim 2, characterized in that, The mounting base is provided with a push groove, and the extrusion pusher is slidably installed in the push groove; A push spring is installed on the inner wall of the push groove, and the push spring is mounted on the extrusion pusher.

4. The extra-large array-type fan section main shaft wheel hoisting device according to claim 3, characterized in that, A detection spring is installed on the bottom inner wall of the mounting base, and the detection spring is mounted on the lifting detection frame; The top and bottom sides of the lifting detection frame are each equipped with a support spring, and the two support springs are respectively installed on the inner walls of the top and bottom sides of the movable slide.

5. The extra-large array-type fan section main shaft wheel hoisting device according to claim 1, characterized in that, The active leveling protection device also includes a leveling motor, which is mounted on the gantry frame; A drive shaft is mounted on the output shaft of the leveling motor, and a leveling rod is mounted on the drive shaft. The leveling rod is movably mounted on two leveling push bars.

6. The extra-large array-type fan section main shaft wheel hoisting device according to claim 5, characterized in that, Both of the leveling push bars are provided with leveling grooves, and two leveling drive shafts are rotatably mounted on the leveling rod. The two leveling drive shafts are respectively movably mounted in the two leveling grooves. The gantry frame has two leveling limiting slots, and the two leveling push bars are slidably installed in the two leveling limiting slots respectively.

7. The extra-large array-type fan section main shaft wheel hoisting device according to claim 6, characterized in that, Motor switches are installed on the inner walls of the top and bottom sides of the movable slide, and both motor switches are electrically connected to the leveling motor.

8. The extra-large array-type fan section main shaft wheel hoisting device according to claim 1, characterized in that, The anti-loosening device also includes a transverse slide, and the winding seat has a transverse slide hole. The transverse slide is slidably installed in the transverse slide hole, and the anti-loosening rack is installed on the transverse slide. An extension shaft is rotatably mounted on the winding seat, the extension shaft is mounted on the winding drum, and the follower rotating frame is mounted on the extension shaft.

9. A hoisting device for the main shaft disc of an extra-large array-type fan section according to claim 8, characterized in that, A drive rack is slidably mounted on the lifting trolley, and the drive rack is mounted on the leveling push bar; The crane trolley is equipped with a gear seat, a gear shaft is rotatably mounted on the gear seat, and a transition gear is mounted on the gear shaft. The anti-loosening rack and the driving rack both mesh with the transition gear.

10. A hoisting device for the main shaft disc of an extra-large array-type fan section according to claim 9, characterized in that, The crane trolley is provided with a transfer hole, and the drive rack is slidably installed in the transfer hole.

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