Motor rotor shaft hoisting tool
By designing a motor rotor shaft hoisting worker including base, anti-collision ring, anti-loosening bolts and locking bolts, the problem that the prior art cannot adapt to the motor rotor shafts of different sizes is solved, and the safety and applicability during the lifting process is improved.
Patent Information
- Application Number
- CN202420989108.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-05-08
AI Technical Summary
The existing motor rotor shaft hoisting tool can't adapt to motor rotor shafts of different sizes, and there are many operating steps, and it is impossible to effectively avoid collision between the end of the motor rotor shaft and the lifting equipment during the lifting process.
A motor rotor shaft hoisting worker including a base, anti-collision ring, anti-loosening bolt and locking bolt is designed. By opening a circular groove on the base and setting a coaxial anti-collision ring in the groove, the anti-collision ring is fixed to the end of the motor rotor shaft with anti-loosening bolts and locking bolts to ensure that collisions are avoided during the lifting process, and adapting to the motor rotor shaft of different sizes by adjusting the tightening depth of the anti-loosening bolts.
The adaptation of motor rotor shafts of different sizes is achieved, the operation steps are simplified, the collision between the end of the motor rotor shaft and the lifting equipment during the lifting process is avoided, and the applicability and safety of the lifting workpiece are improved.
Smart Images
Figure CN222593217U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hoisting, and in particular to a motor rotor shaft hoisting tool. Background Art
[0002] When manufacturing large motors, the motor rotor shaft needs to be hoisted to the installation location. During this process, the motor rotor shaft hoisting tool is needed to assist, and the motor rotor shaft can be safely and accurately hoisted to the destination. The existing hoisting tool fixes the support frame to the motor rotor shaft through a connector and then hoists it. This hoisting tool has many operating steps and cannot adapt to motor rotor shafts of different sizes. Utility Model Content
[0003] The problem to be solved by the utility model is to provide a lifting tool adapted to motor rotor shafts of different sizes.
[0004] To this end, the utility model provides a motor rotor shaft lifting tool, including a base, an anti-collision ring, an anti-loosening bolt and a locking bolt. A circular groove is provided on the base, and a first threaded hole and a second threaded hole are respectively provided on the base along the axial and radial directions of the circular groove. The first threaded hole and the second threaded hole are both connected to the circular groove. The anti-collision ring is arranged in the circular groove and coaxially with the circular groove. The anti-collision ring is used to be sleeved on the end of the rotor shaft. The locking bolt is arranged in the first threaded hole and used to abut against the end of the rotor shaft. The anti-loosening bolt is arranged in the second threaded hole and used to move toward the center of the circular groove. A lifting hole is also provided on the base, and the lifting hole is used for lifting.
[0005] Optionally, the inner diameter of the circular groove is equal to the outer diameter of the anti-collision ring.
[0006] Optionally, the base is provided with connecting seats extending along both sides of the circular groove in the radial direction, and the hanging holes are provided on the connecting seats.
[0007] Optionally, a shackle is provided in the lifting hole, and the shackle is used for lifting.
[0008] Optionally, the axial dimension of the anti-collision ring is greater than or equal to the axial dimension of the circular groove.
[0009] Optionally, there are a plurality of first threaded holes, and the plurality of first threaded holes are evenly distributed along the circumference of the bottom of the circular groove.
[0010] Optionally, there are a plurality of the second threaded holes, and the plurality of the second threaded holes are evenly distributed along the groove wall of the circular groove.
[0011] Optionally, the anti-collision ring is a copper ring.
[0012] Optionally, the base is made of steel.
[0013] Optionally, the locking bolt and the anti-loosening bolt are both sleeved with gaskets.
[0014] Compared with the prior art, the motor rotor shaft lifting tooling of the utility model has the following beneficial effects:
[0015] The utility model provides a base as the main body of the lifting tool, a circular groove is provided on the base, an anti-collision ring is provided in the circular groove, the anti-collision ring and the circular groove are coaxially arranged, during lifting, the anti-collision ring is sleeved on the end of the motor rotor shaft, that is, the base is sleeved on the end of the motor rotor shaft, a second threaded hole is provided on the groove wall of the circular groove, the second threaded hole passes through the base, and an anti-loosening bolt is provided in the second threaded hole, after the anti-collision ring and the base are sleeved on the end of the motor rotor shaft, the anti-loosening bolt is tightened, and the threaded end of the anti-loosening bolt squeezes the anti-collision ring, so that the anti-loosening bolt and the anti-collision ring are tightly attached to the peripheral side surface of the end of the motor rotor shaft in turn, the base and the anti-collision ring are fixed to the end of the motor rotor shaft, and the anti-collision ring is provided to separate the end of the motor rotor shaft from the anti-loosening bolt and the base, so as to prevent the end of the motor rotor shaft from colliding with the base and the anti-loosening bolt and causing damage during installation and lifting, and a first threaded hole is provided on the groove bottom of the circular groove The first threaded hole passes through the base, and a locking bolt is arranged in the first threaded hole. After the anti-collision ring and the base are sleeved on the end part of the motor rotor shaft, the locking bolt is tightened until the threaded end of the locking bolt abuts against the end face of the end part of the motor rotor shaft, and the motor rotor shaft is fixed in the radial direction of the motor rotor shaft, so that the connection between the base, the anti-collision ring and the motor rotor shaft is more stable. After the anti-loosening bolt and the locking bolt are fixed, the base can be hoisted through the lifting hole opened on the base, and the base together with the anti-collision ring and the motor rotor shaft are hoisted and moved to the installation position. The end sizes of motor rotor shafts of different sizes are not much different, and can be inserted into the anti-collision ring, and the anti-collision ring is pressurized and deformed by the anti-loosening bolt, and fixed tightly to the end part of the motor rotor shaft. The tightening depth of the anti-loosening bolt can be adjusted according to the different sizes of the motor rotor shaft ends, so that the lifting tooling can adapt to motor rotor shafts of different sizes, thereby improving the applicability of the lifting tooling. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the connection structure between the motor rotor shaft lifting tool and the rotor shaft according to an embodiment of the utility model;
[0017] Figure 2 This is one of the structural schematic diagrams of the motor rotor shaft lifting tooling according to the embodiment of the utility model;
[0018] Figure 3 This is the second structural schematic diagram of the motor rotor shaft lifting tooling described in the embodiment of the utility model.
[0019] Description of reference numerals:
[0020] 1-base; 11-circular groove; 12-connecting seat; 2-anti-collision ring; 3-first threaded hole; 4-locking bolt; 5-second threaded hole; 6-hanging hole; 7-rotor shaft. DETAILED DESCRIPTION
[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.
[0022] It should be noted that, in the description of the present invention, the directions or positional relationships indicated by “upper”, “lower”, “left”, “right”, “top”, “bottom”, “front”, “back”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, it cannot be understood as limiting the scope of protection of the present invention.
[0023] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features.
[0024] Moreover, although the present invention is described with reference to specific embodiments, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. It should therefore be understood that many modifications may be made to the exemplary embodiments, and other arrangements may be designed without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that different dependent claims and features herein may be combined in a manner not described in the original claims. It may also be understood that the features described in conjunction with the individual embodiments may be used in other embodiments.
[0025] To solve the above problems, Figures 1 to 3As shown, the utility model provides a motor rotor shaft lifting tool, including a base 1, an anti-collision ring 2, an anti-loosening bolt and a locking bolt 4. A circular groove 11 is provided on the base 1, and a first threaded hole 3 and a second threaded hole 5 are respectively provided on the base 1 along the axial and radial directions of the circular groove 11. The first threaded hole 3 and the second threaded hole 5 are both connected to the circular groove 11. The anti-collision ring 2 is arranged in the circular groove 11 and is coaxially arranged with the circular groove 11. The anti-collision ring 2 is used to be sleeved on the end of the rotor shaft 7. The locking bolt 4 is arranged in the first threaded hole 3 and is used to abut against the end of the rotor shaft 7. The anti-loosening bolt is arranged in the second threaded hole 5 and is used to move toward the center of the circular groove 11. A lifting hole 6 is also provided on the base 1, and the lifting hole 6 is used for lifting.
[0026] In this embodiment, a base 1 is provided as the main body of the lifting tool, a circular groove 11 is provided on the base 1, an anti-collision ring 2 is provided in the circular groove 11, and the anti-collision ring 2 is coaxially provided with the circular groove 11. When lifting, the anti-collision ring 2 is sleeved on the end of the motor rotor shaft 7, that is, the base 1 is sleeved on the end of the motor rotor shaft 7, a second threaded hole 5 is provided on the groove wall of the circular groove 11, the second threaded hole 5 passes through the base 1, and an anti-loosening bolt is provided in the second threaded hole 5, and the anti-collision ring 2 and the base 1 are sleeved on the motor rotor shaft 7. After the end of the motor rotor shaft 7 is installed, the anti-loosening bolt is tightened, and the threaded end of the anti-loosening bolt squeezes the anti-collision ring 2, so that the anti-loosening bolt and the anti-collision ring 2 are successively attached to the peripheral surface of the end of the motor rotor shaft 7, and the base 1 and the anti-collision ring 2 are fixed to the end of the motor rotor shaft 7. The anti-collision ring 2 is set to separate the end of the motor rotor shaft 7 from the anti-loosening bolt and the base 1 to prevent the end of the motor rotor shaft 7 from colliding with the base 1 and the anti-loosening bolt during installation and hoisting. The bottom of the circular groove 11 is provided with a The first threaded hole 3 runs through the base 1, and a locking bolt 4 is arranged in the first threaded hole 3. After the anti-collision ring 2 and the base 1 are sleeved on the end of the motor rotor shaft 7, the locking bolt 4 is tightened until the threaded end of the locking bolt 4 abuts against the end surface of the end of the motor rotor shaft 7, and the motor rotor shaft 7 is fixed in the radial direction of the motor rotor shaft 7, so that the base 1, the anti-collision ring 2 and the motor rotor shaft 7 are more firmly connected. After the anti-loosening bolt and the locking bolt 4 are fixed, the base 1 can be hoisted through the hanging hole 6 opened on the base 1, and the base 1 together with the anti-collision ring 2 and the motor rotor shaft 7 are hoisted and moved to the installation position. The end sizes of motor rotor shafts 7 of different sizes are not much different, and they can all be inserted into the anti-collision ring 2, and the anti-collision ring 2 is pressurized and deformed by the anti-loosening bolt, and fixed tightly to the end of the motor rotor shaft 7. The tightening depth of the anti-loosening bolt can be adjusted according to the different sizes of the end of the motor rotor shaft 7, so that the lifting tool can adapt to motor rotor shafts 7 of different sizes, thereby improving the applicability of the lifting tool.
[0027] Optionally, the inner diameter of the circular groove 11 is equal to the outer diameter of the anti-collision ring 2 .
[0028] In this embodiment, by setting the inner diameter of the circular groove 11 to be equal to the outer diameter of the anti-collision ring 2, the disassembly and assembly of the anti-collision ring 2 and the base 1 is facilitated, and the lifting tool is more convenient to use.
[0029] Alternatively, if Figure 2 and Figure 3 As shown, the base 1 is provided with connecting seats 12 extending along both sides of the circular groove 11 in the radial direction, and the hanging holes 6 are opened on the connecting seats 12 .
[0030] In this embodiment, a connecting seat 12 is provided on the base 1 on opposite sides of the circular groove 11 in the radial direction to provide an installation position for the lifting hole 6. The lifting hole 6 is opened on the connecting seat 12 to facilitate independent lifting. The lifting is performed through two lifting holes 6 that are symmetrical relative to the motor rotor shaft 7. The motor rotor shaft 7 is subjected to more even force, which is convenient for lifting.
[0031] Specifically, the base 1 can be a cubic structure or a cylindrical structure. The structure of the base 1 does not affect the lifting work of the lifting tooling and is not specifically limited here.
[0032] Optionally, a shackle is provided in the lifting hole 6, and the shackle is used for lifting.
[0033] In this embodiment, a shackle is provided in the lifting hole 6 and the motor rotor shaft 7 is hoisted by the shackle, so that the motor rotor shaft 7 is easily hoisted.
[0034] Optionally, the axial dimension of the anti-collision ring 2 is greater than or equal to the axial dimension of the circular groove 11 .
[0035] In this embodiment, by setting the axial dimension of the anti-collision ring 2 to be greater than or equal to the axial dimension of the circular groove 11, that is, the length of the anti-collision ring 2 is greater than the depth of the circular groove 11, the anti-collision ring 2 is installed in the circular groove 11, and the anti-collision ring 2 can completely separate the motor rotor shaft 7 and the base 1 in the radial direction of the motor rotor shaft 7, thereby preventing the end of the motor rotor shaft 7 from colliding with the base 1 and causing damage during the installation and lifting process.
[0036] Specifically, the groove depth of the circular groove 11 is at least half of the axial thickness of the base 1 along the circular groove 11 . With this arrangement, after the motor rotor shaft 7 is inserted into the anti-collision ring 2 , the connection is more stable.
[0037] Alternatively, if Figure 2 and Figure 3 As shown, there are a plurality of first threaded holes 3 , and the plurality of first threaded holes 3 are evenly distributed along the circumference of the bottom of the circular groove 11 .
[0038] In this embodiment, by providing a plurality of first threaded holes 3, the number of locking bolts 4 corresponds to the number of first threaded holes 3, the plurality of first threaded holes 3 are evenly distributed along the circumference of the bottom of the circular groove 11, and the plurality of locking bolts 4 are respectively arranged in the plurality of first threaded holes 3, so that the connection between the base 1 and the end of the motor rotor shaft 7 is more stable, and the force on the end of the motor rotor shaft 7 is more evenly distributed.
[0039] Specifically, the number of the first threaded holes 3 may be two or three.
[0040] Optionally, there are a plurality of second threaded holes 5 , and the plurality of second threaded holes 5 are evenly distributed along the groove wall of the circular groove 11 .
[0041] In this embodiment, by providing a plurality of second threaded holes 5, the number of anti-loosening bolts corresponds to the number of second threaded holes 5, the plurality of second threaded holes 5 are evenly distributed along the groove wall of the circular groove 11, and the plurality of anti-loosening bolts are respectively arranged in the plurality of second threaded holes 5, so that the connection between the base 1, the anti-collision ring 2 and the motor rotor shaft 7 is more stable, and the force on the end of the motor rotor shaft 7 is more uniform.
[0042] Optionally, the anti-collision ring 2 is a copper ring.
[0043] In this embodiment, the anti-collision ring 2 is set as a copper ring, which has strong mechanical properties, is soft and wear-resistant, and is easy to deform under the extrusion of the anti-loosening bolt and abuts against the end of the motor rotor shaft 7.
[0044] Optionally, the base 1 is made of steel.
[0045] In this embodiment, the base 1 is made of steel material, which has high hardness, high structural strength, is not easily damaged, and is easy to hoist.
[0046] Optionally, the locking bolt 4 and the anti-loosening bolt are both sleeved with gaskets.
[0047] In this embodiment, by arranging gaskets between the locking bolt 4 and the base 1, and between the anti-loosening bolt and the base 1, the end surface connection between the locking bolt 4 and the base 1 and the end of the motor rotor shaft 7 is more stable, and the connection between the anti-loosening bolt and the base 1, the anti-collision ring 2 and the motor rotor shaft 7 is more stable.
[0048] Although the utility model is disclosed as above, the protection scope of the utility model is not limited thereto. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the protection scope of the utility model.
Claims
1. A motor rotor shaft lifting tool, characterized in that: The invention comprises a base (1), an anti-collision ring (2), an anti-loosening bolt and a locking bolt (4); the base (1) is provided with a circular groove (11); the base (1) is provided with a first threaded hole (3) and a second threaded hole (5) in the axial direction and radial direction of the circular groove (11), respectively; the first threaded hole (3) and the second threaded hole (5) are both connected to the circular groove (11); the anti-collision ring (2) is arranged in the circular groove (11) and is coaxially arranged with the circular groove (11); the anti-collision ring (2) is used to be sleeved on the end of the rotor shaft (7); the locking bolt (4) is arranged in the first threaded hole (3) and is used to abut against the end of the rotor shaft (7); the anti-loosening bolt is arranged in the second threaded hole (5) and is used to move toward the center of the circular groove (11); the base (1) is also provided with a hanging hole (6) and the hanging hole (6) is used for hanging.
2. The motor rotor shaft lifting tool according to claim 1, characterized in that: The inner diameter of the circular groove (11) is equal to the outer diameter of the anti-collision ring (2).
3. The motor rotor shaft lifting tool according to claim 1, characterized in that: The base (1) is provided with connecting seats (12) extending along both radial sides of the circular groove (11), and the hanging hole (6) is provided on the connecting seat (12).
4. The motor rotor shaft lifting tool according to claim 3, characterized in that: A shackle is arranged in the lifting hole (6), and the shackle is used for lifting.
5. The motor rotor shaft lifting tool according to claim 1, characterized in that: The axial dimension of the anti-collision ring (2) is greater than or equal to the axial dimension of the circular groove (11).
6. The motor rotor shaft lifting tool according to claim 1, characterized in that: There are a plurality of the first threaded holes (3), and the plurality of the first threaded holes (3) are evenly distributed along the circumference of the bottom of the circular groove (11).
7. The motor rotor shaft lifting tool according to claim 1, characterized in that: There are a plurality of the second threaded holes (5), and the plurality of the second threaded holes (5) are evenly distributed along the groove wall of the circular groove (11).
8. The motor rotor shaft lifting tool according to claim 1, characterized in that: The anti-collision ring (2) is a copper ring.
9. The motor rotor shaft lifting tool according to claim 1, characterized in that: The base (1) is made of steel.
10. The motor rotor shaft lifting tool according to claim 1, characterized in that: The locking bolt (4) and the anti-loosening bolt are both sleeved with gaskets.