A hoisting tool with leveling function

Abstract

The utility model relates to a kind of hoisting tool with leveling function, it includes balance disc, leveling assembly, hoist screw rod, leveling assembly includes leveling sleeve rod, upper screw rod, lower screw rod, upper screw rod passes through the top of leveling sleeve rod and is connected with leveling sleeve rod screw thread, lower screw rod passes through the bottom of leveling sleeve rod and is connected with leveling sleeve rod screw thread, the top of upper screw rod is fixedly connected with first U type buckle and passes out leveling sleeve rod, first U type buckle is connected with balance disc by first connecting component, the bottom of lower screw rod is fixedly connected with second U type buckle and passes out leveling sleeve rod, second U type buckle is connected with hoist screw rod by second connecting component;The top of stator winding is provided with level tester for detecting the levelness of stator winding.This application is rotated by level tester cooperation upper screw rod or lower screw rod, stator winding is leveled during hoisting, ensure the sleeving process of stator winding and stator base, improve the sleeving effect and sleeving efficiency of stator winding and stator base.

Description

Technical Field

[0001] This utility model relates to the field of hoisting fixtures, and in particular to a hoisting fixture with a leveling function. Background Technology

[0002] The stator windings of a wind turbine are typically connected to the stator frame using a heat-shrink method. During heat-shrinking, the stator frame is fixed to the ground, the stator windings are lifted, and then the lower part of the stator windings is brought to the inside of the stator unit.

[0003] Conventional lifting fixtures fix the stator windings to the stator windings by tightening the lifting bolts. This only serves the purpose of lifting and cannot meet the requirements for leveling the stator windings. If the stator windings are not level, they cannot be properly fitted to the stator frame. Therefore, a lifting fixture that can level the stator windings during the lifting process is needed. Utility Model Content

[0004] To address the aforementioned technical problems, this application provides a lifting fixture with a leveling function.

[0005] The lifting fixture with leveling function provided in this application adopts the following technical solution: A lifting fixture with a leveling function includes a balance disc, a leveling assembly, and a lifting screw. The leveling assembly includes a leveling sleeve, an upper screw, and a lower screw. The upper screw passes through the top end of the leveling sleeve and is threadedly connected to it. The lower screw passes through the bottom end of the leveling sleeve and is threadedly connected to it. The top of the upper screw protrudes from the leveling sleeve and is fixedly connected to a first U-shaped buckle, which is connected to the balance disc via a first connecting assembly. The bottom of the lower screw protrudes from the leveling sleeve and is fixedly connected to a second U-shaped buckle, which is connected to the lifting screw via a second connecting assembly. A leveling instrument for detecting the levelness of the stator winding is provided on the top surface of the stator winding.

[0006] Preferably, the first connecting component includes a third U-shaped buckle and a lifting chain. A mounting plate is fixedly installed on the bottom surface of the balancing disc. The mounting plate has a mounting hole for the third U-shaped buckle to pass through. The opening of the first U-shaped buckle faces upward, and the opening of the third U-shaped buckle faces downward. The bottom end of the first U-shaped buckle is provided with a first connecting bolt, and both ends of the first U-shaped buckle are provided with a first threaded hole for the first connecting bolt to pass through. The first connecting bolt is threadedly connected to the first threaded hole at both ends of the first U-shaped buckle. The bottom end of the third U-shaped buckle is provided with a third connecting bolt, and both ends of the third U-shaped buckle are provided with third threaded holes for the third connecting bolt to pass through. The third connecting bolt is simultaneously threadedly connected to the third threaded holes at both ends of the third U-shaped buckle. The lifting chain includes at least two connected chain buckles, with the chain buckle at the top of the lifting chain attached to a first connecting bolt and the chain buckle at the bottom of the lifting chain attached to a third connecting bolt.

[0007] Preferably, the second connecting assembly includes a connecting ring and a connecting circular plate. The connecting ring is fixedly connected to the top of the connecting circular plate, and the bottom of the connecting circular plate is fixedly connected to the top of the lifting screw. The opening of the first U-shaped buckle faces downward. A second connecting bolt is passed through the bottom end of the second U-shaped buckle. Both ends of the second U-shaped buckle are provided with second threaded holes for the second connecting bolt to pass through. The second connecting bolt is simultaneously threadedly connected to the second threaded holes at both ends of the second U-shaped buckle. The connecting ring is hung on the second connecting bolt.

[0008] Preferably, multiple sets of leveling components are equidistantly arranged along the circumference of the stator winding, and multiple lifting screws are equidistantly arranged along the circumference of the stator winding, with each lifting screw corresponding to a leveling component.

[0009] Preferably, the top surface of the stator winding is provided with multiple threaded holes at equal intervals along the circumference of the stator winding, and each threaded hole corresponds to a lifting screw. The lifting screw passes through the threaded hole and is threadedly connected to the stator winding.

[0010] Preferably, a lifting ring is provided on the top surface of the balancing disc, and a fixing bolt is fixedly connected to the bottom end of the lifting ring. The bottom end of the lifting ring is fixedly connected to the fixing bolt. A fixing threaded hole is provided on the balancing disc, and the fixing bolt passes through the fixing threaded hole and is threadedly connected to the balancing disc.

[0011] Preferably, four lifting rings are equidistantly arranged along the circumference of the balance disc, and the overhead crane is connected to the lifting rings via steel cables.

[0012] In summary, this application includes the following beneficial technical effects: The level of the stator winding is determined by a leveling instrument. The upper or lower screw of the leveling component is rotated to adjust the length of the leveling component at different positions, thereby leveling the stator winding during hoisting. This ensures the level of the stator winding and the assembly process between the stator winding and the stator frame, improving the assembly effect and efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of a hoisting tool with a leveling function in an embodiment of this application.

[0014] Figure 2 This is a schematic diagram of the assembly structure of the leveling component, the first connecting component, the second connecting component, and the lifting screw in this application embodiment.

[0015] Figure 3 This is used to illustrate the embodiments of this application. Figure 2 A magnified structural diagram of point A in the middle.

[0016] Figure 4 This is used to illustrate the embodiments of this application. Figure 2 A magnified structural diagram at point B in the middle.

[0017] Explanation of reference numerals in the attached drawings: 1. Balance disc; 11. Mounting plate; 111. Mounting hole; 12. Lifting ring; 121. Fixing bolt; 2. Leveling assembly; 21. Leveling sleeve; 22. Upper screw; 221. First U-shaped buckle; 2211. First connecting bolt; 23. Lower screw; 231. Second U-shaped buckle; 2311. Second connecting bolt; 3. Lifting screw; 4. First connecting assembly; 41. Third U-shaped buckle; 411. Third connecting bolt; 42. Lifting chain; 421. Chain buckle; 5. Second connecting assembly; 51. Connecting ring; 52. Connecting circular plate; 7. Level tester; 8. Stator winding; 81. Connecting threaded hole; 9. Stator base. Detailed Implementation

[0018] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0019] This application discloses a hoisting fixture with a leveling function.

[0020] Reference Figure 1-4 The lifting fixture with leveling function includes a balance disc 1, a leveling component 2, and a lifting screw 3. The leveling component 2 includes a leveling sleeve 21, an upper screw 22, and a lower screw 23. The upper screw 22 passes through the top end of the leveling sleeve 21 and is threadedly connected to the leveling sleeve 21. The lower screw 23 passes through the bottom end of the leveling sleeve 21 and is threadedly connected to the leveling sleeve 21. The top of the upper screw 22 protrudes from the leveling sleeve 21 and is fixedly connected to a first U-shaped buckle 221. The first U-shaped buckle 221 is connected to the balance disc 1 through a first connecting component 4. The bottom of the lower screw 23 protrudes from the leveling sleeve 21 and is fixedly connected to a second U-shaped buckle 231. The second U-shaped buckle 231 is connected to the lifting screw 3 through a second connecting component 5.

[0021] A level tester 7 for detecting the levelness of the stator winding 8 is provided on the top surface of the stator winding 8.

[0022] The first connecting assembly 4 includes a third U-shaped buckle 41 and a lifting chain 42. A mounting plate 11 is fixedly installed on the bottom surface of the balancing disc 1. The mounting plate 11 has mounting holes 111 for the third U-shaped buckle 41 to pass through. The opening of the first U-shaped buckle 221 faces upwards, and the opening of the third U-shaped buckle 41 faces downwards. A first connecting bolt 2211 passes through the bottom end of the first U-shaped buckle 221. Both ends of the first U-shaped buckle 221 have first threaded holes for the first connecting bolt 2211 to pass through, and the first connecting bolt 2211 is threadedly connected to the first threaded holes at both ends of the first U-shaped buckle 221. A third connecting bolt 411 passes through the bottom end of the third U-shaped buckle 41. Both ends of the third U-shaped buckle 41 have third threaded holes for the third connecting bolt 411 to pass through, and the third connecting bolt 411 is threadedly connected to the third threaded holes at both ends of the third U-shaped buckle 41. The lifting chain 42 includes at least two connected chain buckles 421. In this embodiment, there are two chain buckles 421. The chain buckle 421 at the top of the lifting chain 42 is attached to the first connecting bolt 2211, and the chain buckle 421 at the bottom of the lifting chain 42 is attached to the third connecting bolt 411.

[0023] When assembling the lifting chain 42 and the first U-shaped buckle 221, after screwing the first connecting bolt 2211 into the first threaded hole at one end of the first U-shaped buckle 221, hang the chain buckle 421 at the top of the lifting chain 42 on the first connecting bolt 2211, and then pass this end of the first connecting bolt 2211 through the first threaded hole at the other end of the first U-shaped buckle 221.

[0024] When assembling the lifting chain 42 and the third U-shaped buckle 41, after screwing the third connecting bolt 411 into the third threaded hole at one end of the third U-shaped buckle 41, hang the chain buckle 421 at the bottom of the lifting chain 42 on the third connecting bolt 411, and then pass this end of the third connecting bolt 411 through the third threaded hole at the other end of the third U-shaped buckle 41.

[0025] The second connecting assembly 5 includes a connecting ring 51 and a connecting circular plate 52. The connecting ring 51 is fixedly connected to the top of the connecting circular plate 52, and the bottom of the connecting circular plate 52 is fixedly connected to the top of the lifting screw 3. The opening of the first U-shaped buckle 221 faces downward. A second connecting bolt 2311 is inserted through the bottom end of the second U-shaped buckle 231. Both ends of the second U-shaped buckle 231 are provided with second threaded holes for the second connecting bolt 2311 to pass through. The second connecting bolt 2311 is simultaneously threadedly connected to the second threaded holes at both ends of the second U-shaped buckle 231. The connecting ring 51 is hung on the second connecting bolt 2311.

[0026] When assembling the connecting ring 51 and the second U-shaped buckle 231, after screwing the second connecting bolt 2311 into the second threaded hole at one end of the second U-shaped buckle 231, hang the connecting ring 51 on the second connecting bolt 2311, and then pass this end of the second connecting bolt 2311 through the second threaded hole at the other end of the second U-shaped buckle 231.

[0027] Multiple sets of leveling components 2 are equidistantly arranged along the circumference of the stator winding 8, and multiple lifting screws 3 are equidistantly arranged along the circumference of the stator winding 8, with each lifting screw 3 corresponding to a leveling component 2. In this embodiment, both the number of leveling components 2 and the number of lifting screws 3 are seven. Multiple connecting threaded holes 81 are equidistantly arranged along the circumference of the stator winding 8 on the top surface of the stator winding 8, with each connecting threaded hole 81 corresponding to a lifting screw 3. The lifting screw 3 passes through the connecting threaded hole 81 and is threadedly connected to the stator winding 8. This allows multiple positions of the lifting fixture to be adjusted, improving the uniformity of force on the stator winding 8 and the lifting fixture, and improving the leveling accuracy.

[0028] A lifting ring 12 is provided on the top surface of the balance disc 1. A fixing bolt 121 is fixedly connected to the bottom end of the lifting ring 12. The bottom end of the lifting ring 12 is fixedly connected to the fixing bolt 121. A fixing threaded hole is provided on the balance disc 1. The fixing bolt 121 passes through the fixing threaded hole and is threadedly connected to the balance disc 1. Four lifting rings 12 are equally spaced along the circumference of the balance disc 1 to improve the uniformity of force on the overhead crane and lifting fixtures. The overhead crane is connected to the lifting rings 12 by steel cables.

[0029] The implementation principle of a lifting fixture with leveling function in this application embodiment is as follows: After screwing the lifting screw 3 into the connecting threaded hole 81 of the stator winding 8, the stator winding 8 is lifted by the overhead crane. Then, the levelness of the stator winding 8 is judged by the level tester 7. The upper screw 22 or lower screw 23 of the leveling component 2 is rotated to adjust the length of the leveling component 2 at different positions, so as to achieve leveling of the stator winding 8 during the hoisting process, thereby ensuring the levelness of the stator winding 8, ensuring the assembly process of the stator winding 8 and the stator frame 9, and improving the assembly effect and efficiency of the stator winding 8 and the stator frame 9.

[0030] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A lifting fixture with a leveling function, characterized in that: The system includes a balance disc, a leveling assembly, and a lifting screw. The leveling assembly includes a leveling sleeve, an upper screw, and a lower screw. The upper screw passes through the top end of the leveling sleeve and is threadedly connected to it. The lower screw passes through the bottom end of the leveling sleeve and is threadedly connected to it. The top of the upper screw protrudes from the leveling sleeve and is fixedly connected to a first U-shaped buckle, which is connected to the balance disc via a first connecting assembly. The bottom of the lower screw protrudes from the leveling sleeve and is fixedly connected to a second U-shaped buckle, which is connected to the lifting screw via a second connecting assembly. A leveling instrument for detecting the levelness of the stator winding is provided on the top surface of the stator winding.

2. The lifting fixture with leveling function according to claim 1, characterized in that: The first connecting component includes a third U-shaped buckle and a lifting chain. A mounting plate is fixedly installed on the bottom surface of the balancing disc. The mounting plate has a mounting hole for the third U-shaped buckle to pass through. The opening of the first U-shaped buckle faces upward, and the opening of the third U-shaped buckle faces downward. The bottom end of the first U-shaped buckle is provided with a first connecting bolt, and both ends of the first U-shaped buckle are provided with a first threaded hole for the first connecting bolt to pass through. The first connecting bolt is threadedly connected to the first threaded hole at both ends of the first U-shaped buckle. The bottom end of the third U-shaped buckle is provided with a third connecting bolt, and both ends of the third U-shaped buckle are provided with third threaded holes for the third connecting bolt to pass through. The third connecting bolt is simultaneously threadedly connected to the third threaded holes at both ends of the third U-shaped buckle. The lifting chain includes at least two connected chain buckles, with the chain buckle at the top of the lifting chain attached to a first connecting bolt and the chain buckle at the bottom of the lifting chain attached to a third connecting bolt.

3. The lifting fixture with leveling function according to claim 1, characterized in that: The second connecting assembly includes a connecting ring and a connecting circular plate. The connecting ring is fixedly connected to the top of the connecting circular plate, and the bottom of the connecting circular plate is fixedly connected to the top of the lifting screw. The opening of the first U-shaped buckle faces downward. A second connecting bolt is passed through the bottom end of the second U-shaped buckle. Both ends of the second U-shaped buckle are provided with second threaded holes for the second connecting bolt to pass through. The second connecting bolt is simultaneously threadedly connected to the second threaded holes at both ends of the second U-shaped buckle. The connecting ring is hung on the second connecting bolt.

4. The lifting fixture with leveling function according to claim 1, characterized in that: Multiple sets of leveling components are equidistantly arranged along the circumference of the stator winding, and multiple lifting screws are equidistantly arranged along the circumference of the stator winding, with each lifting screw corresponding to a leveling component.

5. The lifting fixture with leveling function according to claim 1, characterized in that: Multiple threaded holes are equidistantly arranged on the top surface of the stator winding along the circumference of the stator winding. Each threaded hole corresponds to a lifting screw, and the lifting screw passes through the threaded hole and is threadedly connected to the stator winding.

6. The lifting fixture with leveling function according to claim 1, characterized in that: A lifting ring is provided on the top surface of the balancing disc, and a fixing bolt is fixedly connected to the bottom end of the lifting ring. The bottom end of the lifting ring is fixedly connected to the fixing bolt. A fixing threaded hole is provided on the balancing disc, and the fixing bolt passes through the fixing threaded hole and is threadedly connected to the balancing disc.

7. The lifting fixture with leveling function according to claim 6, characterized in that: Four lifting rings are equidistantly arranged along the circumference of the balance disc, and the overhead crane is connected to the lifting rings by steel cables.

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