CN210029736U - Tool for vertically hoisting motor cast-aluminum rotor - Google Patents
Tool for vertically hoisting motor cast-aluminum rotor Download PDFInfo
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- CN210029736U CN210029736U CN201920592056.9U CN201920592056U CN210029736U CN 210029736 U CN210029736 U CN 210029736U CN 201920592056 U CN201920592056 U CN 201920592056U CN 210029736 U CN210029736 U CN 210029736U
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Abstract
The utility model relates to a frock for vertical hoisting motor cast aluminium rotor belongs to motor assembly auxiliary fixtures technical field. The tool comprises a suspender, a sleeve, a thrust block and a lifting hook which is swingably hinged on the periphery of the sleeve; the sleeve can be sleeved outside the suspender in an axially sliding manner; the thrust block is fixedly connected with the bottom end part of the suspender; from top to bottom, the thrust seat is provided with a thrust surface part which is obliquely arranged outwards and used for forcing the lifting hook which is abutted against the thrust surface part to swing outwards around the hinge shaft under the action of gravity. In the process of carrying out the hot jacket of rotor, this frock can place the rotor in the heating collar perpendicularly, has avoided the process of violently lying and sticking up again that carries out the rotor repeatedly, reduces the installation risk for the handling process is safe swift more, but wide application in motor assembly production field.
Description
Technical Field
The utility model relates to a frock for hoisting motor cast aluminum rotor, in particular to in the technological process that cast aluminum rotor and axle carried out the shrink fit, be convenient for hoist frock that motor cast aluminum rotor on the vertical.
Background
In the assembly process of the motor, a rotor shaft needs to be pressed into a rotor, and two common pressing modes are adopted, namely cold pressing, preheating of the rotor and hot pressing. Either way, the handling of the rotor is involved during the operation. For the motor rotor with the base number of 132 and below, the rotor can be directly carried by hand because of light weight; however, for the motor with the base number of more than 132, the rotor weight is heavy, especially for the rotor with the base number of 355, the weight can be more than three hundred kilograms, and the motor needs to be carried by carrying equipment.
Because a lifting ring hole cannot be directly machined in the cast aluminum rotor, the cast aluminum rotor is difficult to carry by adopting a common lifting ring, and the cast aluminum rotor needs to be carried by adopting a special tool, for example, a rotor cast aluminum hoisting fixture disclosed in the patent document with the publication number of CN203021176U is adopted for carrying out auxiliary hoisting, the fixture comprises an upper hoisting rod, a reinforcing rib, a framework, an upper baffle plate, a sliding block, a lower baffle plate, a lower hoisting rod, an ejector rod, a nut, a manual handle, a connecting rod and a manual handle nut, the framework is annular, the upper part of an excircle is fixedly connected with the upper hoisting rod, the upper baffle plate is fixedly connected with the upper part of the inner circle of the framework, the upper end of the connecting rod is fixedly connected with the sliding block, and the; the rotor cast aluminum hoisting fixture clamps the rotor to realize subsequent hoisting of the cast aluminum rotor. However, when the fixture is used for hoisting the rotor, the rotor is transversely placed and erected after being hoisted to a processing site, and the whole process is inconvenient and has larger potential safety hazard; especially, in the process of realizing the rotor hot jacket, the transverse hoisting cannot vertically place the rotor in the heating ring due to too much interference.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a frock for vertical hoisting motor cast aluminium rotor to can make things convenient for safe handling motor cast aluminium rotor.
In order to achieve the main purpose, the utility model provides a tool for vertically hoisting a motor cast aluminum rotor, which comprises a hanger rod, a sleeve, a thrust block and a hook which is swingably hinged on the periphery of the sleeve; the sleeve can be sleeved outside the suspender in an axially sliding manner; the thrust block is fixedly connected with the bottom end part of the suspender; from top to bottom, the thrust seat is provided with a thrust face part which is obliquely arranged outwards and used for forcing the lifting hook which is abutted against the thrust face part to swing outwards around the hinge shaft under the action of gravity to an opening position which can hook the end face of the rotor shaft hole of the cast-aluminum rotor of the motor.
Based on this construction improvement's frock, order about the relative jib of sleeve and along axial displacement to utilize the thrust face to carry out thrust action or release to its thrust action to the lifting hook, and force the lifting hook and open or tighten up, thereby catch on or release the terminal surface in the rotor shaft hole of motor cast-aluminum rotor, be connected this frock with handling equipment again, in order to carry out perpendicular handling to motor cast-aluminum rotor. Compared with the technical scheme that the rotor is clamped and then transversely transported in the prior art, the tool can vertically place the rotor in the heating ring in the technological process of rotor hot jacket, avoids the process of repeatedly transversely lying and then standing the cast aluminum rotor when the rotor shaft is pressed into the shaft hole of the cast aluminum rotor, reduces the installation risk, and ensures that the hoisting process is safer and faster.
The thrust bearing is of a horn-shaped structure, a small-diameter end of the horn-shaped structure is fixedly connected with the lower end of the suspender, the diameter of the large-diameter end is smaller than that of the rotor shaft hole, and the outer peripheral surface of the horn-shaped structure forms a thrust face. Simple structure and convenient manufacture.
The further proposal is that the horn-shaped structure is a round platform structure; the end face of the small-diameter end forms a stopping and limiting mechanism for stopping and limiting the downward sliding movement of the sleeve relative to the suspender.
The side surface of the circular truncated cone structure is used as a thrust surface, so that the lifting hook can stably and uniformly swing outwards around the hinge shaft when abutting against the thrust surface, and synchronous hooking or releasing can be realized.
In a further scheme, a stopping and limiting mechanism is formed on the upper end surface of the stopping and limiting seat and is used for stopping and limiting the sliding movement of the sleeve relative to the suspender.
The sleeve comprises a movable sleeve which can be sleeved outside the suspender in an axially sliding manner and a hook sleeve which is fixedly connected outside the movable sleeve in a sleeved manner, so that the movable sleeve can be made into a slender structure, the sliding stability of the movable sleeve relative to the suspender is improved, and the convenience of the manufacturing process is ensured; the lifting hook is swingably hinged on the periphery of the lifting hook sleeve through a hinge shaft; the quantity of lifting hook is more than 3, and encircles the circumference of telescopic even arrangement. The lifting hooks are uniformly distributed, so that the uniformity of stress can be improved when the rotor is lifted.
The further proposal is that the peripheral surface of the hook sleeve is fixedly provided with a pair of hinged ear seats for mounting a hinged shaft, two ear seats of each pair of hinged ear seat pairs are arranged in parallel, and the two ear seats are symmetrically arranged about the axial plane passing through the central axis of the hook sleeve; the two ear seats are respectively provided with a hinge hole for sleeving the end part of the hinge shaft; the hinged end of the lifting hook is inserted between the two ear seats in a hinged manner through the hinged shaft. The hinged ear seat can be directly and fixedly connected to the peripheral surface of the hook sleeve by welding, so that the processing is convenient, and the cost is reduced.
The further scheme is that the lifting hook sleeve is detachably sleeved outside the movable sleeve, so that the maintenance of the tool is facilitated, and the lifting hook sleeve and the lifting hook of different specifications can be replaced according to actual needs to adapt to stators of different specifications.
The further proposal is that the sleeve can be detachably sleeved with a sleeve in interference fit, a sleeve in threaded connection or a sleeve in key way connection.
The further proposal is that the lifting hook is of an L-shaped structure and comprises a body and a hook-shaped part bent outwards from the swinging end of the body. The hook-shaped part bent outwards is convenient for hooking the end surface of the cast aluminum rotor shaft hole of the motor.
The top end part of the suspender is of a suspension ring structure, so that the tool is connected with lifting equipment.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a perspective view of a cast aluminum rotor of a prior art electric machine;
FIG. 4 is an axial cross-sectional view of the cast aluminum rotor of the motor of FIG. 3;
fig. 5 is a schematic view of the swing of the hook in the working process of the present invention;
FIG. 6 is a schematic view of the starting state of the motor cast aluminum rotor when the hook is tightened;
fig. 7 is the state diagram of the utility model discloses after the lifting hook passed the interior through-hole of motor cast aluminum rotor, the lifting hook opened and the card held the motor cast aluminum rotor.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
Examples
Referring to fig. 1 to 7, the utility model discloses frock 1 is used for hoist and mount as shown in fig. 3 and 4 motor cast aluminum rotor 6, including jib 2, sleeve 3, thrust block 5 and a plurality of articulated lifting hook 4 of installing on sleeve 3. The sleeve 3 is slidably fitted over the boom 2 and is capable of reciprocating axially along the axis 20 of the boom 2. The hooks 4 are pivotably hinged on the outer circumferential surface of the sleeve 3, and in the present embodiment, the number of hooks 4 is 3. The thrust block 5 is fixed to the bottom end of the boom 2, and in this embodiment, the thrust block 5 is fixedly connected to the bottom end of the boom 2 by welding, or by screwing. The top end of the suspension rod 2 is fixedly connected with a suspension ring 7 for being connected with a hoisting device so as to hoist the whole tool 1, in the embodiment, the suspension ring 7 is fixedly connected to the top end of the suspension rod 2 by welding, and in addition, the suspension ring can be fixedly connected by adopting a threaded connection and the like.
Referring to fig. 1 and 2, the sleeve 3 includes a movable sleeve 30 slidably sleeved outside the suspension rod 2 along the axial direction and a hook sleeve 31 fixedly sleeved outside the movable sleeve 30, specifically, the hook sleeve 31 is sleeved outside the movable sleeve 30 in an interference fit manner, and of course, the movable sleeve may be detachably and fixedly connected by means of a threaded connection and a rotation stop key. The bottom surface of the hook sleeve 31 is flush with the bottom surface of the movable sleeve 30.
More than two pairs of hinged ear seats 11 are uniformly and fixedly arranged on the peripheral surface of the lifting hook sleeve 31, and specifically, the number of the hinged ear seats 11 is three; the two ear seats in each pair of hinged ear seats 11 are arranged in parallel and are symmetrically arranged about the axial plane passing through the central axis of the hook sleeve 31, and the two ear seats are both provided with hinged holes 110; the fixed end of the hook 4 is swingably hinged to the hinge ear seats 11 by the hinge shaft 10, and the fixed end of the hook 4 is inserted into the gap between the two ear seats to constitute an insertion structure, in which the two ear seats constitute an insertion female blade and the fixed end of the hook 4 constitutes an insertion male blade, so that the swing action as shown in fig. 5 can be realized.
Referring to fig. 1 to 7, the thrust block 5 is a trumpet-shaped structure with a small top and a large bottom, and the diameter of the bottom is smaller than that of the shaft hole 61 in the cast aluminum rotor 6 of the motor; specifically, a horn-shaped structure of a circular truncated cone structural member is adopted, that is, the outer peripheral surface 50 of the thrust block 5 is an arc inclined surface.
Referring to fig. 1 to 7, the hook 4 is an L-shaped structure, and includes a body 41 and a hook 40 bent outward from a bottom end of the body 41.
1. Referring to fig. 6, the movable sleeve 30 is lifted to move the sleeve 3 upward relative to the suspension rod 2 in the axial direction, so that the hook 4 is forced to separate from the outer peripheral surface 50 of the thrust block 5 to a non-contact state, at this time, the hook 4 swings downward around the hinge shaft 10 under the action of its own gravity and swings inward to tighten, so that the diameter of the enveloping outer peripheral circle of the hook-shaped portions 40 on the three hooks 4 in the present tool 1 is smaller than the diameter of the shaft hole 61, specifically, the diameter of the large-diameter portion of the thrust block 5; so that the whole tool 1 can directly pass through the shaft hole 61 until the thrust block 5 and the hook part are positioned at the inner shoulder 62 on the shaft hole 61.
2. Referring to fig. 7, when the sleeve 3 is released, the sleeve 3 is forced to swing outwards around the hinge shaft 10 due to the fact that the bottom surface of the hook 4 abuts against the outer peripheral surface 50 of the thrust block 5, so as to expand, i.e. the hook 4 is forced to expand outwards and hook the inner shoulder 62 of the cast aluminum rotor 6 of the motor, and the whole rotor is clamped, i.e. in this embodiment, the outer peripheral surface 50 forms the thrust surface 50 for stopping and pushing the hook 4 to expand outwards, and the stop block is also used as a stop limiting mechanism for sliding the sleeve 3 downwards relative to the hanger rod, so as to control the hook 4 hinged on the sleeve 3 to expand or contract with the thrust surface 50 by forcing the sleeve 3 to move axially relative to the hanger rod 2, and to hook or release the cast aluminum rotor 6 of the motor.
3. The lifting ring 7 is connected with lifting equipment, the lifting ring 7 is lifted upwards, the motor cast-aluminum rotor 6 is driven to vertically leave the ground, and the lifting equipment is controlled to vertically lift the motor cast-aluminum rotor 6 by using the tool 1.
4. After the hoisting ring is hoisted to the target position, the connection between the hoisting ring 7 and hoisting equipment is released; and lifting the sleeve 3 to drive the sleeve to slide upwards relative to the suspension rod 2 so as to control the lifting hook 4 to tighten and loosen the inner shoulder 62 of the cast aluminum rotor 6, and then lifting the hanging ring 7 upwards to take the tool 1 out of the shaft hole 61 of the cast aluminum rotor 6 of the motor upwards.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A tool for vertically hoisting a motor cast-aluminum rotor is characterized by comprising a hanger rod, a sleeve, a thrust block and a lifting hook which is hinged to the periphery of the sleeve in a swinging manner;
the sleeve can be sleeved outside the suspender in an axially sliding manner; the thrust block is fixedly connected with the bottom end part of the suspender; from top to bottom, the thrust block is provided with a thrust surface part which is obliquely arranged outwards and used for forcing the lifting hook which is abutted against the thrust surface part to swing outwards around the hinge shaft to an opening position which can hook the end surface of the rotor shaft hole of the cast-aluminum rotor of the motor;
when the lifting hook is separated from the thrust face part, the lifting hook can swing inwards around the hinge shaft under the action of gravity to a tightening position drawn out from the rotor shaft hole.
2. The tooling of claim 1, wherein:
the thrust block is of a horn-shaped structure, the small-diameter end of the horn-shaped structure is fixedly connected with the lower end of the hanging rod, the diameter of the large-diameter end is smaller than that of the rotor shaft hole, and the outer peripheral face of the horn-shaped structure forms the thrust face.
3. The tooling of claim 2, wherein:
the horn-shaped structure is a circular truncated cone structure;
the end face of the small-diameter end forms a stopping limiting mechanism used for stopping and limiting the downward sliding movement of the sleeve relative to the suspender.
4. The tooling of claim 1, wherein:
and the upper end surface of the thrust block forms a stopping limiting mechanism for stopping and limiting the sliding movement of the sleeve relative to the suspender.
5. The tooling of any one of claims 1 to 4, wherein:
the sleeve comprises a movable sleeve which is sleeved outside the suspender in an axially sliding manner and a hook sleeve which is fixedly sleeved outside the movable sleeve; the lifting hook is hinged on the periphery of the lifting hook sleeve in a swinging mode through the hinge shaft;
the quantity of lifting hook is more than 3, and encircles the circumference of telescopic evenly arranges.
6. The tooling of claim 5, wherein:
the peripheral surface of the hook sleeve is fixedly provided with a pair of hinged lug seats for mounting the hinged shaft, two lug seats of each pair of hinged lug seat pairs are arranged in parallel, and the two lug seats are symmetrically arranged on the axial surface of the central axis passing through the hook sleeve; the two ear seats are respectively provided with a hinge hole for sleeving the end part of the hinge shaft; and the hinged end of the lifting hook is inserted between the two ear seats in a hinged manner through the hinged shaft.
7. The tooling of claim 5, wherein:
the lifting hook sleeve is detachably sleeved outside the movable sleeve.
8. The tooling of claim 7, wherein:
the detachable suit is a suit with interference fit, a suit with threaded connection or a suit with key groove connection.
9. The tooling of any one of claims 1 to 4, wherein:
the lifting hook is of an L-shaped structure and comprises a body and a hook-shaped part bent outwards from the swinging end of the body.
10. The tooling of any one of claims 1 to 4, wherein:
the top end part of the suspender is of a hanging ring structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920592056.9U CN210029736U (en) | 2019-04-26 | 2019-04-26 | Tool for vertically hoisting motor cast-aluminum rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920592056.9U CN210029736U (en) | 2019-04-26 | 2019-04-26 | Tool for vertically hoisting motor cast-aluminum rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210029736U true CN210029736U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920592056.9U Active CN210029736U (en) | 2019-04-26 | 2019-04-26 | Tool for vertically hoisting motor cast-aluminum rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210029736U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113148831A (en) * | 2021-05-14 | 2021-07-23 | 江苏利得尔电机有限公司 | Rotor hoisting device and method thereof |
| CN114212656A (en) * | 2021-12-15 | 2022-03-22 | 成都飞机工业（集团）有限责任公司 | Blank hoisting device capable of achieving traction self-locking and using method thereof |
| CN117228502A (en) * | 2023-11-10 | 2023-12-15 | 三峡金沙江云川水电开发有限公司 | Hoisting device for mounting hydropower station gate |
-
2019
- 2019-04-26 CN CN201920592056.9U patent/CN210029736U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113148831A (en) * | 2021-05-14 | 2021-07-23 | 江苏利得尔电机有限公司 | Rotor hoisting device and method thereof |
| CN114212656A (en) * | 2021-12-15 | 2022-03-22 | 成都飞机工业（集团）有限责任公司 | Blank hoisting device capable of achieving traction self-locking and using method thereof |
| CN117228502A (en) * | 2023-11-10 | 2023-12-15 | 三峡金沙江云川水电开发有限公司 | Hoisting device for mounting hydropower station gate |
| CN117228502B (en) * | 2023-11-10 | 2024-03-29 | 三峡金沙江云川水电开发有限公司 | Hoisting device for mounting hydropower station gate |
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