Stator bar hoisting device

Abstract

The invention discloses a stator bar hoisting device, which comprises: a hoist frame, which comprises a central column and a hoisting cross beam rotatably connected with the central column, the hoisting cross beam is provided with an electric hoist capable of horizontally moving, the hoisting cross beam is provided with two telescopic rods capable of horizontally moving along the hoisting cross beam, and the telescopic rods are parallel to the central column; the rotating assembly comprises a fixing frame which is jointly connected with the electric hoist and the lower ends of the two telescopic rods, and the fixing frame is connected with a rotatable fixing disc; the plurality of clamping assemblies are arranged on the fixing disc, and the clamping assemblies are used for fixing a stator bar; and the driving assembly is used for driving the fixed disc to rotate. By arranging the center column, the lifting cross beam, the electric hoist and the fixing disc, the center column can be arranged outside the stator, the direction of the stator bar can be adjusted through the fixing disc, and installation of the stator bar is better facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of stator wire bar construction, and more specifically, to a stator wire bar hoisting device. Background Art

[0002] The stators of the hydro-turbine generator sets of large power stations are subject to transportation size and weight restrictions. They are delivered in the form of stator bases, stator iron sheets, stator wire rods and other loose parts. The stators are assembled into a whole through a series of construction procedures on site, and then the stator iron sheets are stacked in the pit. After the stator magnetization test is passed, the stator wire rods are embedded on site. In order to avoid the risk of wire rods and copper rings slipping during wire rod embedding and assembly, a hoisting device is required for construction. The patent with application number "202310208428.4" discloses a generator stator wire rod hoisting device, which includes a counterweight seat, a motor 1 is embedded in the counterweight seat, and a rotating rod is fixed to the output shaft end of the motor 1. A horizontal plate is provided on the rotating rod to drive the horizontal plate to rotate. However, the rotating rod of the device is arranged inside the stator and needs to be coaxially arranged with the inside of the stator, which affects the winding of the wire rod. Summary of the invention

[0003] The present invention provides a stator wire rod hoisting device, which can not only realize arranging the center column outside the stator, but also adjust the direction of the stator wire rod through the fixed plate, which is more conducive to the installation of the stator wire rod.

[0004] In order to achieve these purposes and other advantages of the present invention, a stator bar hoisting device is provided, comprising: A lifting frame, comprising a central column, a lifting beam rotatably connected to the central column, an electric hoist that can be moved horizontally is provided on the lifting beam, and two telescopic rods that can be moved horizontally along the lifting beam are provided on the lifting beam, and the telescopic rods are arranged parallel to the central column; A rotating assembly, comprising a fixing frame connected to the electric hoist and the lower ends of the two telescopic rods, wherein the fixing frame is connected to a rotatable fixing plate; A plurality of clamping assemblies, wherein the plurality of clamping assemblies are arranged on the fixing plate, and the clamping assemblies are used to fix the stator wire rods; A driving assembly is used to drive the fixed disk to rotate, wherein when the fixed disk moves to the pre-installation position, the driving assembly drives the fixed disk to rotate until one of the stator wire bars clamped by the clamping assemblies is located above the pre-installation wire bar slot, and the fixed disk continues to move downward until the stator wire bar is located in the wire bar slot.

[0005] Preferably, a fixing cylinder is rotatably connected to the central column, and the lifting beam is connected to the top end of the fixing cylinder so that the lifting beam is rotatably connected to the central column.

[0006] Preferably, fixed blocks are provided on both sides of the electric hoist, one end of the two telescopic rods are respectively connected to the two fixed blocks, and the other ends are connected to the fixing frame.

[0007] Preferably, the fixing frame is provided with a connecting tube, the inner wall of the connecting tube is recessed at intervals to form a plurality of annular fixing grooves, the fixing plate is provided with a connecting rod, the upper part of the connecting rod is provided with a plurality of annular protrusions at intervals, and the plurality of annular protrusions are rotated in correspondence with each other and are located in the plurality of fixing grooves; The connecting rod is provided with a plurality of first meshing teeth in the circumference thereof, the fixing frame is provided with two first rotating motors, the ends of the first rotating motors are provided with first gears, and the two first gears are both meshed with the first meshing teeth to drive the connecting rod to rotate.

[0008] Preferably, the clamping assembly includes a fixing plate connected to the fixing plate, the fixing plate is provided with two supporting plates in parallel, and a positioning block is commonly connected between the two supporting plates, the positioning block is a hollow structure, a long strip opening is provided at the lower end of the positioning block, a driving rod is rotatably provided in the positioning block, the driving rod has a bidirectional thread, two nuts are provided on the driving rod, a supporting rod is provided on the nut, the supporting rod passes through the opening and extends out of the positioning block, a horizontal rod is connected to the lower end of the supporting rod, the two horizontal rods are arranged in parallel, two positioning rods are provided on one of the horizontal rods, and two positioning cylinders are provided on the other horizontal rod, the inner diameter of the positioning cylinder is larger than the diameter of the positioning rod so that the two positioning cylinders can accommodate the two positioning rods in a one-to-one correspondence, wherein a plurality of second meshing teeth are circumferentially provided on the driving rod, a driving plate that can move up and down is provided in the positioning block, a plurality of third meshing teeth are provided on the driving plate at intervals above and below, the third meshing teeth are meshed with the second meshing teeth to drive the driving rod to rotate, and the lower part of the driving plate passes through the positioning block and is located between the two horizontal rods.

[0009] Preferably, a limit block is provided at the lower part of the support plate, and the distance between the two limit blocks is slightly larger than the size of the stator wire bar so as to fix the stator wire bar.

[0010] Preferably, a through hole is provided on the fixing plate, a push rod is provided on the upper end of the driving plate, and the upper end of the push rod passes through the through hole to drive the driving plate to move downward.

[0011] Preferably, it also includes multiple positioning components, which are arranged in a one-to-one correspondence with the multiple clamping components, and the positioning component includes a connecting hole penetrating the fixed plate, a sliding rod that can slide up and down is provided in the connecting hole, a counterweight block is provided at the upper end of the sliding rod, a cross bar is provided at the lower end of the sliding rod, and a U-shaped rod is provided at the lower end of the cross bar, wherein the U-shaped rod is lower than the lower end of the support plate, and when the fixed plate is rotated to the pre-installed wire rod slot position, the wire rod slot is located in the U-shaped rod.

[0012] Preferably, a triangular plate is provided on the side wall of the fixing cylinder, and the triangular plate is connected to the lifting beam.

[0013] The present invention has at least the following beneficial effects: First, the present invention can not only realize the setting of the center column outside the stator by arranging the center column, the lifting beam, the electric hoist and the fixed plate, but also can realize the adjustment of the direction of the stator wire rod by the fixed plate, which is more conducive to the installation of the stator wire rod; by arranging multiple clamping components, multiple stator wire rods can be hoisted at the same time, and the stator wire rods do not interfere with each other during construction, thereby improving the construction efficiency; at the same time, by driving the component to rotate the fixed plate to adjust the installation direction of the stator wire rod, manpower adjustment can be reduced, thereby improving the work efficiency; Second, the present invention not only enables the fixing plate to rotate relative to the fixing frame by providing the fixing grooves and the protrusions, but also improves the stability of the connection between the connecting rod and the connecting cylinder so that the fixing plate can meet the requirements of lifting multiple stator bars at the same time.

[0014] Third, when the fixing plate is moved to the pre-installed wire rod slot, the fixing plate is rotated so that one of the U-shaped rods is placed on both sides of the pre-installed wire rod slot. At this time, it indicates that the stator wire rod is already located above the pre-installed wire rod slot. The fixing plate is continued to be moved downward, the stator wire rod moves downward, and the fixing plate moves downward relative to the slide bar. When the stator wire rod is installed, the fixing plate moves upward until the fixing plate contacts the counterweight block, the electric hoist is moved and the lifting beam is rotated, and the positioning assembly is separated from the stator. The present invention provides a positioning assembly to facilitate observation of whether the stator wire rod is located above the pre-installed wire rod slot, so as to improve the installation accuracy of the stator wire rod and provide construction efficiency.

[0015] Fourth, when the clamping assembly clamps the stator wire rod, the present invention places the upper end of the stator wire rod under the positioning block, moves the fixed plate downward, and the lower end of the driving plate contacts the stator wire rod. The driving plate drives the driving rod to rotate, so that the positioning rod and the positioning cylinder move relatively, until the two horizontal rods clamp the stator wire rod, and then when the stator wire rod is moved above the wire rod slot and the stator wire rod is partially located in the wire rod slot, the driving plate is manually driven to move downward to the stator wire rod until the two horizontal rods move away from each other, and the stator wire rod continues to be moved downward manually. The present invention realizes that the driving rod is driven to rotate to drive the two horizontal rods to move to clamp the stator wire rod by arranging the driving rod, the positioning rod, the nut, the second meshing teeth, and the driving plate.

[0016] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a stator wire bar hoisting device according to one of the technical solutions of the present invention; Figure 2 This is a structural schematic diagram of a stator wire bar hoisting device according to one of the technical solutions of the present invention; Figure 3 for Figure 2 A magnified view of middle; Figure 4 A schematic diagram of the structure of a clamping assembly according to one of the technical solutions of the present invention; Figure 5 A schematic diagram of the structure of a positioning rod according to one of the technical solutions of the present invention; Figure 6 This is a schematic structural diagram of a U-shaped rod described in one of the technical solutions described in the present invention. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0019] like Figure 1-6 As shown, the present invention provides a stator wire bar hoisting device, comprising: A lifting frame, comprising a central column 9, a lifting beam 4 rotatably connected to the central column 9, the lifting beam 4 being provided with a horizontally movable electric hoist 14, the lifting beam 4 being provided with two telescopic rods 16 horizontally movable along the lifting beam 4, the telescopic rods 16 being arranged parallel to the central column 9; A rotating assembly, comprising a fixing frame 17 connected to the electric hoist 14 and the lower ends of the two telescopic rods 16, wherein the fixing frame 17 is connected to a rotatable fixing plate 5; A plurality of clamping assemblies, wherein the plurality of clamping assemblies are arranged on the fixing plate 5, and the clamping assemblies are used to fix the stator wire rods; A driving assembly is used to drive the fixed disk 5 to rotate, wherein when the fixed disk 5 moves to the pre-installation position, the driving assembly drives the fixed disk 5 to rotate until one of the stator wire bars clamped by the clamping assemblies is located above the pre-installed wire bar slot 2, and the fixed disk 5 continues to move downward until the stator wire bar is located in the wire bar slot 2.

[0020] In this technical solution, a pier 3 is provided outside the stator 1, a center column 9 is vertically provided on the pier 3, a lifting beam 4 is horizontally provided, a guide rail is provided on the lifting beam 4, an electric hoist 14 is slidably provided on the guide rail, a telescopic rod 16 is vertically provided, the telescopic rod 16 is connected to the electric hoist 14 so as to move horizontally along the lifting beam 4 through the electric hoist 14, and a lifting rope of the electric hoist 14 is located between the two telescopic rods 16; a fixed disk 5 is located below a fixed frame 17, and the fixed disk 5 can rotate around the central axis of the fixed disk 5 relative to the fixed frame 17; a balancing block 10 is provided at the end of the lifting beam 4; a plurality of clamping assemblies are arranged at equal intervals along the circumference of the fixed disk 5; a plurality of first galvanized steel plates 11 are arranged at intervals on the pier 3, and the first galvanized steel plates 11 are connected to the lower part of the center column 9 to fix the center column 9.

[0021] During use, the stator wire rod is fixed to the clamping assembly outside the stator 1, the lifting crossbeam 4 is rotated until the stator wire rod is located in the stator 1, the lifting crossbeam 4 is continued to be rotated and the electric hoist 14 is moved until the fixed disk 5 is located in the pre-installed wire rod slot 2, and then the fixed disk 5 is driven by the driving assembly to rotate until the stator wire rod clamped by one of the clamping assemblies is located above the pre-installed wire rod slot 2, and the lifting rope of the electric hoist 14 drives the fixed disk 5 to move downward until the stator wire rod is located in the wire rod slot 2. After the wire rod slot 2 is installed, the center column 9 is rotated and the electric hoist 14 is adjusted until the fixed disk 5 is located at the next pre-installed wire rod slot 2, and the operation is repeated until the stator wire rods on multiple clamping assemblies are all installed in the wire rod slot 2, and then the center column 9 is rotated until the fixed disk 5 is located outside the stator 1, and the stator wire rod is fixed on the clamping assembly, and then the stator wire rod is installed in the wire rod slot 2.

[0022] By adopting this technical solution, the present invention can not only arrange the center column 9 outside the stator 1, but also adjust the direction of the stator wire rod through the fixed plate 5 by arranging the center column 9, the lifting beam 4, the electric hoist 14 and the fixed plate 5, which is more conducive to the installation of the stator wire rod; by arranging multiple clamping components, multiple stator wire rods can be hoisted at the same time, and the stator wire rods do not interfere with each other during construction, thereby improving the construction efficiency; at the same time, by driving the component to rotate the fixed plate 5 to adjust the installation direction of the stator wire rod, manpower adjustment can be reduced and work efficiency can be improved.

[0023] In another technical solution, the central column 9 is rotatably connected with a fixed cylinder 13 (the fixed cylinder 13 is coaxially arranged with the central column 9, and the fixed cylinder 13 is rotatably connected with the central axis through a bearing, or a plurality of annular first slide rails are arranged at intervals on the central column 9, and a plurality of first sliders are arranged at intervals on the first slide rails, and the first sliders are connected with the fixed cylinder 13 to realize the rotatable connection between the central column 9 and the fixed cylinder 13), the lifting beam 4 is connected with the top end of the fixed cylinder 13 to make the lifting beam 4 rotatably connected with the central column 9, a plurality of fourth meshing teeth are arranged at intervals on the lower part of the fixed cylinder 13, a support frame is arranged on the central column 9, two second rotating motors are arranged on the support frame, and a second gear is arranged on the second rotating motor, and the second gear is meshed with the fourth meshing teeth to drive the fixed cylinder 13 to rotate. By adopting this technical solution, the rotatable connection between the lifting beam 4 and the central column 9 is realized.

[0024] In another technical solution, both sides of the electric hoist 14 are provided with fixed blocks 15, one end of the two telescopic rods 16 is respectively connected to the two fixed blocks 15, and the other end is connected to the fixed frame 17. With this technical solution, the telescopic rod 16 can move horizontally relative to the lifting beam 4.

[0025] In another technical solution, the fixing frame 17 is provided with a connecting tube 23, the inner wall of the connecting tube 23 is recessed to form a plurality of annular fixing grooves, the fixing grooves are coaxially arranged with the connecting tube 23, a plurality of fixing grooves are arranged at intervals along the connecting tube 23, the connecting tube 23 is arranged vertically, the fixing plate 5 is provided with a connecting rod 25, the connecting rod 25 is arranged vertically, a plurality of annular protrusions 24 are arranged at intervals at upper and lower parts of the connecting rod 25, the protrusions 24 are coaxially arranged with the connecting rod 25, a plurality of annular protrusions 24 are rotated one by one in a plurality of fixing grooves, one of the rotation modes may be that the size of the protrusion 24 is slightly smaller than the size of the fixing groove, and a second slide rail is also provided at the bottom end of the fixing groove, a plurality of second sliders are slidably arranged on the second slide rail, and the plurality of second sliders are connected with the corresponding protrusions 24; The connecting rod 25 is provided with a plurality of first meshing teeth 26 in the circumference, and the fixing frame 17 is provided with two first rotating motors 18, and the ends of the first rotating motors 18 are provided with first gears 19 (the output shaft of the first rotating motor 18 is arranged vertically, and the central axis of the first gear 19 is arranged vertically), and the two first gears 19 are meshed with the first meshing teeth 26 to drive the connecting rod 25 to rotate. With this technical solution, the present invention can not only realize the rotation of the fixing plate 5 relative to the fixing frame 17 by providing the fixing groove and the protrusion 24, but also improve the stability of the connection between the connecting rod 25 and the connecting cylinder 23 so that the fixing plate 5 can meet the requirements of lifting multiple stator wire bars at the same time.

[0026] In another technical solution, the clamping assembly includes a fixing plate 6 connected to the fixing disk 5, the fixing plate 6 is horizontally arranged, two supporting plates 28 are arranged in parallel on the fixing plate 6, the supporting plates 28 are vertically arranged, and a positioning block 29 is commonly connected between the two supporting plates 28, the positioning block 29 is a hollow structure, a long strip opening is arranged at the lower end of the positioning block 29, the opening is horizontally arranged, a driving rod 30 is rotatably arranged in the positioning block 29, the driving rod 30 is horizontally arranged, the driving rod 30 has a bidirectional thread, two nuts are arranged on the driving rod 30 (the threads of the driving rod 30 corresponding to the two nuts are opposite), a supporting rod 35 is arranged on the nut, the supporting rod 35 is vertically arranged, the supporting rod 35 passes through the opening and extends out of the positioning block 29 (a third slide rail is arranged in the positioning block 29, the third slide rail is arranged along the length direction of the driving rod 30, two third sliders are slidably arranged on the third slide rail, and the two third sliders are respectively connected to the two nuts in a one-to-one correspondence) , the lower end of the support rod 35 is connected to a horizontal rod 36, and the two horizontal rods 36 are arranged in parallel, one of the horizontal rods 36 is provided with two positioning rods 38, and the other horizontal rod 36 is provided with two positioning cylinders 37 (the two positioning rods 38 are arranged in a one-to-one correspondence with the two horizontal rods 36), the inner diameter of the positioning cylinder 37 is larger than the diameter of the positioning rod 38 so that the two positioning cylinders 37 can accommodate the two positioning rods 38 in a one-to-one correspondence, wherein the driving rod 30 is circumferentially provided with a plurality of second meshing teeth 31 (the threads of the driving rod 30 located on both sides of the second meshing teeth 31 rotate in opposite directions), the positioning block 29 is provided with a driving plate 33 that can move up and down (the upper and lower ends of the driving plate 33 both extend out of the positioning block 29), and the driving plate 33 is provided with a plurality of third meshing teeth 32 at intervals from top to bottom, the third meshing teeth 32 are meshed with the second meshing teeth 31 to drive the driving rod 30 to rotate, and the lower part of the driving plate 33 passes through the positioning block 29 and is located between the two horizontal rods 36. By adopting this technical solution, when the clamping assembly clamps the stator wire bar, the upper end of the stator wire bar is located below the positioning block 29, the fixed plate 5 is moved downward, the lower end of the driving plate 33 contacts the stator wire bar, and the driving plate 33 drives the driving rod 30 to rotate, so that the positioning rod 38 and the positioning cylinder 37 move relative to each other until the two horizontal rods 36 clamp the stator wire bar, and then when the stator wire bar is moved above the wire bar slot 2 and the stator wire bar is partially located in the wire bar slot 2, the driving plate 33 is manually driven to move downward to the stator wire bar until the two horizontal rods 36 move away from each other, and the stator wire bar is manually continued to be moved downward; the present invention realizes that the driving rod 30, the positioning rod 38, the nut, the second meshing teeth 31, and the driving plate 33 are set to drive the driving rod 30 to rotate and drive the two horizontal rods 36 to move to clamp the stator wire bar.

[0027] In another technical solution, a limit block 39 is provided at the lower part of the support plate 28, and the distance between the two limit blocks 39 is slightly larger than the size of the stator bar to fix the stator bar. This technical solution is adopted to limit the stator bar, which is more convenient for the clamping assembly to clamp the stator bar.

[0028] In another technical solution, the fixing plate 6 is provided with a through hole (through the top and bottom), and the upper end of the driving plate 33 is provided with a push rod 7, and the upper end of the push rod 7 passes through the through hole to drive the driving plate 33 to move downward. In this technical solution, it is convenient for workers to drive the driving plate 33 to move downward.

[0029] In another technical solution, it also includes multiple positioning components, and the multiple positioning components are arranged in a one-to-one correspondence with the multiple clamping components. The positioning component includes a connecting hole (through the upper and lower parts) penetrating the fixed plate 5, and a sliding rod 20 that can slide up and down is provided in the connecting hole (the diameter of the connecting hole is larger than the diameter of the sliding rod 20), and a counterweight block 8 is provided at the upper end of the sliding rod 20, and a cross bar is provided at the lower end of the sliding rod 20, and a U-shaped rod 34 is provided at the lower end of the cross bar, wherein the U-shaped rod 34 is lower than the lower end of the support plate 28, and when the fixed plate 5 is rotated to the position of pre-installed wire rod slot 2, the wire rod slot 2 is located in the U-shaped rod 34. By adopting this technical solution, when the fixing plate 5 is moved to the pre-installed wire rod slot 2, the fixing plate 5 is rotated so that one of the U-shaped rods 34 is placed on both sides of the pre-installed wire rod slot 2. At this time, it indicates that the stator wire rod is already located above the pre-installed wire rod slot 2, and the fixing plate 5 continues to be moved downward, the stator wire rod moves downward, and the fixing plate 5 moves downward relative to the slide bar 20. When the stator wire rod is installed, the fixing plate 5 moves upward until the fixing plate 5 contacts the counterweight 8, the electric hoist 14 is moved and the rotating lifting beam 4, and the positioning assembly is separated from the stator. The present invention provides a positioning assembly to facilitate observation of whether the stator wire rod is located above the pre-installed wire rod slot 2, so as to improve the installation accuracy of the stator wire rod and provide construction efficiency.

[0030] In another technical solution, a triangular plate 12 is provided on the side wall of the fixing cylinder 13, and the triangular plate 12 is connected to the lifting beam 4. With this technical solution, the triangular plate 12 supports the lifting beam 4 to improve the stability of the lifting beam 4.

[0031] The number of devices and processing scales described here are used to simplify the description of the present invention. Applications, modifications and variations of the stator bar lifting device of the present invention will be obvious to those skilled in the art.

[0032] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation modes, and they can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. The stator bar hoisting device is characterized by: include: A lifting frame, comprising a central column, a lifting beam rotatably connected to the central column, an electric hoist that can be moved horizontally is provided on the lifting beam, and two telescopic rods that can be moved horizontally along the lifting beam are provided on the lifting beam, and the telescopic rods are arranged parallel to the central column; A rotating assembly, comprising a fixing frame connected to the electric hoist and the lower ends of the two telescopic rods, wherein the fixing frame is connected to a rotatable fixing plate; A plurality of clamping assemblies, wherein the plurality of clamping assemblies are arranged on the fixing plate, and the clamping assemblies are used to fix the stator wire rods; A driving assembly is used to drive the fixed disk to rotate, wherein when the fixed disk moves to the pre-installation position, the driving assembly drives the fixed disk to rotate until one of the stator wire bars clamped by the clamping assemblies is located above the pre-installation wire bar slot, and the fixed disk continues to move downward until the stator wire bar is located in the wire bar slot.

2. The stator wire bar hoisting device according to claim 1, characterized in that: A fixing cylinder is rotatably connected to the central column, and the lifting beam is connected to the top end of the fixing cylinder so that the lifting beam is rotatably connected to the central column.

3. The stator wire bar hoisting device according to claim 1, characterized in that: Fixed blocks are arranged on both sides of the electric hoist, one end of the two telescopic rods are respectively connected to the two fixed blocks, and the other ends are connected to the fixed frame.

4. The stator wire bar hoisting device according to claim 1, characterized in that: The fixing frame is provided with a connecting tube, the inner wall of which is recessed to form a plurality of annular fixing grooves, the fixing plate is provided with a connecting rod, the upper part of which is provided with a plurality of annular protrusions, and the plurality of annular protrusions are rotated in correspondence with each other and are located in the plurality of fixing grooves; The connecting rod is provided with a plurality of first meshing teeth in the circumference thereof, the fixing frame is provided with two first rotating motors, the ends of the first rotating motors are provided with first gears, and the two first gears are both meshed with the first meshing teeth to drive the connecting rod to rotate.

5. The stator wire bar hoisting device according to claim 4, characterized in that: The clamping assembly includes a fixing plate connected to the fixing plate, and two supporting plates are arranged in parallel on the fixing plate, and a positioning block is commonly connected between the two supporting plates, and the positioning block is a hollow structure, and a long strip opening is arranged at the lower end of the positioning block, and a driving rod is rotatably arranged in the positioning block, and the driving rod has a bidirectional thread, and two nuts are arranged on the driving rod, and a supporting rod is arranged on the nut, and the supporting rod passes through the opening and extends out of the positioning block, and a horizontal rod is connected to the lower end of the supporting rod, and the two horizontal rods are arranged in parallel, and two positioning rods are arranged on one of the horizontal rods, and two positioning cylinders are arranged on the other horizontal rod, and the inner diameter of the positioning cylinder is larger than the diameter of the positioning rod so that the two positioning cylinders can accommodate the two positioning rods in a one-to-one correspondence, wherein a plurality of second meshing teeth are circumferentially arranged on the driving rod, and a driving plate that can move up and down is provided in the positioning block, and a plurality of third meshing teeth are arranged on the driving plate at intervals up and down, and the third meshing teeth are meshed with the second meshing teeth to drive the driving rod to rotate, and the lower part of the driving plate passes through the positioning block and is located between the two horizontal rods.

6. The stator wire bar hoisting device according to claim 5, characterized in that: A limit block is provided at the lower part of the support plate, and the distance between the two limit blocks is slightly larger than the size of the stator wire bar so as to fix the stator wire bar.

7. The stator wire bar hoisting device according to claim 5, characterized in that: The fixing plate is provided with a through hole, the upper end of the driving plate is provided with a push rod, and the upper end of the push rod passes through the through hole to drive the driving plate to move downward.

8. The stator wire bar hoisting device according to claim 7, characterized in that: It also includes multiple positioning components, which are arranged in a one-to-one correspondence with the multiple clamping components. The positioning components include a connecting hole penetrating the fixed plate, a sliding rod that can slide up and down is provided in the connecting hole, a counterweight block is provided at the upper end of the sliding rod, a cross bar is provided at the lower end of the sliding rod, and a U-shaped rod is provided at the lower end of the cross bar, wherein the U-shaped rod is lower than the lower end of the support plate, and when the fixed plate is rotated to the pre-installed wire rod slot position, the wire rod slot is located in the U-shaped rod.

9. The stator wire bar hoisting device according to claim 2, characterized in that: A triangular plate is provided on the side wall of the fixing cylinder, and the triangular plate is connected to the lifting beam.

Images