CN218290149U

CN218290149U - Fixed stator internal stay hoist

Info

Publication number: CN218290149U
Application number: CN202222428908.5U
Authority: CN
Inventors: 王帅; 陈宏�
Original assignee: Aiyide Intelligent Technology Suzhou Co ltd
Current assignee: Aiyide Intelligent Technology Suzhou Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-01-13
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a fixed stator internal stay hoist, which belongs to the technical field of motor disassembly and assembly, and comprises a pull rod, a support fixed at one end of the pull rod, a plurality of tensioning pieces connected at the other end of the pull rod and distributed along the radial direction of the pull rod, a movable sleeve sleeved on the pull rod and hinged with the tensioning pieces, and a power assembly for pushing the movable sleeve to move along the pull rod so as to drive the tensioning pieces to be in tensioning tight fit with a stator hole cavity; the support comprises a top plate arranged on automatic equipment for assembling or disassembling the motor and a ring sleeve locked on the periphery of the pull rod. The stator internal stay hoist fixed connection motor dismouting equipment of this scheme, the adaptation degree is high, disassembles, assembles the accurate quick of stator.

Description

Fixed stator internal stay hoist

Technical Field

The utility model belongs to the technical field of the motor dismouting, concretely relates to fixed stator internal stay hoist.

Background

The motor is composed of a stator magnetic pole, a rotor (armature), a commutator, an electric brush, a machine shell, a bearing and the like, and is used as a core power structure of a new energy electric automobile, manual disassembly and assembly cannot be carried out due to limitation of volume and weight, wherein the disassembled stator depends on a tool lifting appliance with a lifting ring and a tensioning structure, the tensioning structure supports a stator core, a lifting hook of equipment such as a crane penetrates through the lifting ring to lift the tool lifting appliance, and the stator moves away from the motor.

The hoisting ring part can not directionally transfer force applied by equipment such as a crane, the stator can not be quickly assembled or even assembled, the tooling lifting appliance is not fixed with the equipment such as the crane, the stator and the rest parts of the motor outside the stator can be easily damaged by swinging, and the existing stator tooling lifting appliance is not adaptive to the equipment for automatically assembling or disassembling the motor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the technical scheme of the utility model is that: a fixed stator internal stay hanger comprises a pull rod, a support fixed at one end of the pull rod, a plurality of expansion pieces connected to the other end of the pull rod and distributed along the radial direction of the pull rod, a movable sleeve sleeved on the pull rod and hinged with the expansion pieces, and a power assembly for pushing the movable sleeve to move along the pull rod so as to drive the expansion pieces to be in expansion fit with a stator hole cavity;

the support comprises a top plate arranged on automatic equipment for assembling or disassembling the motor and a ring sleeve locked on the periphery of the pull rod.

Specifically, the ring sleeve is provided with an opening formed by dividing along the radial direction of the ring sleeve, and two sides of the opening are locked by bolts and nuts.

Specifically, the top plate is provided with a plurality of mounting holes.

Specifically, the power assembly comprises a cylinder seat and a cylinder, wherein the cylinder seat and the cylinder are detachably fixed on the pull rod.

Specifically, the tensioning member comprises an inner supporting plate, a fixed sleeve arranged on the periphery of the pull rod, a driving connecting rod with one end hinged with the fixed sleeve, a movable sleeve hinged with the other end of the driving connecting rod, a fixed sleeve hinged with one end of the driving connecting rod, and an inner supporting plate hinged with the other end of the driven connecting rod.

Specifically, the active link is provided with a beam.

Specifically, the surface of the inner supporting plate, which is far away from the pull rod, is bent to form an arc-shaped surface, and the radian of the arc-shaped surface is consistent with that of the inner wall of the motor stator.

Specifically, the arc-shaped surface is provided with a rubber pad.

The technical scheme provided by the utility model compare with prior art and have following advantage:

1. the stator and the inner support lifting appliance thereof can overcome the influence of self gravity, do not swing, can change positions along with the driving of the motor dismounting equipment, have high adaptation degree and are accurate and quick to disassemble and assemble the stator;

2. the power component that the tight piece action that rises of drive can be from repeated dismouting on the pull rod, can adjust the position of the relative pull rod of power component, inject movable sleeve's home range, and then the adjustment rises the tight piece degree that opens and shuts, and the tight piece that controls rises is to the extrusion force of stator, prevents that the extrusion force from crossing low to cause the stator to drop or the too big stator damage that causes of extrusion force.

Drawings

Fig. 1 is a structural diagram of a fixed stator inner support hanger in an embodiment of the present invention;

FIG. 2 is a diagram of a structure of a support in an embodiment of the present invention;

fig. 3 is a structure diagram of the tension member in the embodiment of the present invention;

fig. 4 is a structural diagram of a power module in an embodiment of the present invention.

Shown in the figure:

1. a pull rod; 2. a support; 21. a top plate; 22. sleeving a ring; 23. mounting holes; 24. a T-shaped opening; 3. a tensioning member; 31. an inner supporting plate; 32. fixing the sleeve; 33. a driving connecting rod; 34. a driven link; 35. a rubber pad; 36. an edge; 37. a cross beam; 4. a movable sleeve; 5. a power assembly; 51. a cylinder block; 511. an L-shaped plate; 512. a flat plate; 52. a cylinder; 53. a connecting member.

Detailed Description

For ease of understanding, the fixed stator inner support spreader is described below in conjunction with embodiments, it being understood that these embodiments are merely illustrative and not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, and may be, for example, a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, a fixed stator internal stay hoist, including pull rod 1, support 2, the tight piece 3 that rises, movable sleeve 4 and power component 5, the top fixedly connected with support 2 of pull rod 1, the lower extreme is connected with the tight piece 3 that rises, it is provided with the movable sleeve 4 that cup joints on pull rod 1 to rise between tight piece 3 and the support 2, be provided with the bellied side ear in edge footpath on the 4 outer wall of movable sleeve, set up power component 5 between movable sleeve 4 and the support 2, power component 5 promotes movable sleeve 4 and reciprocates along pull rod 1, the articulated tight piece 3 that rises of movable sleeve 4, the action of movable sleeve 4 drives the tight piece 3 and the stator vestibule that rises tight fit.

As shown in fig. 2, the support 2 includes an integrally formed top plate 21 and a ring sleeve 22 sleeved on the top end of the pull rod 1, the ring sleeve 22 is disposed on one side of the top plate 21 and coaxial with the top plate 21, a plurality of mounting holes 23 are disposed on the top plate 21, the mounting holes 23 are screw holes or through holes with smooth inner walls, bolts are inserted in the mounting holes 23, and are matched with nuts to be locked on an automation device for assembling or disassembling a motor, such as a mechanical arm for disassembling and assembling the motor, the ring sleeve 22 is provided with longitudinal openings formed by dividing along a radial direction of the ring sleeve, the ring sleeve 22 is further provided with transverse openings formed by dividing along the circumferential direction of the ring, the transverse openings and the longitudinal openings intersect to form T-shaped openings 24, wherein through holes are disposed on both sides of the longitudinal openings, the bolts are inserted with the through holes on both sides and are screwed with the nuts, thereby shortening a distance between the longitudinal openings and reducing an inner diameter of the ring sleeve 22, and further locking the ring sleeve 22 on the pull rod 1, thereby realizing a fixed connection between the automation device and the pull rod 1.

As shown in fig. 3, the tension member 3 includes an inner supporting plate 31, a fixed sleeve 32, a driving connecting rod 33 and a driven connecting rod 34, the bottom end of the pull rod 1 is fixedly connected with the fixed sleeve 32, three edges 36 protruding along the radial direction of the fixed sleeve 32 are annularly arranged on the outer periphery of the fixed sleeve 32, two driven connecting rods 34 are hinged on each edge 36 through a pin, so as to increase the constraint of the driven connecting rods 34 and improve the action stability of the fixed sleeve, the driven connecting rods 34 are hinged with the inner supporting plate 31, the surface of the inner supporting plate 31, which is far away from the pull rod 1, is bent to form an arc surface consistent with the radian of the inner wall of the motor stator, a rubber pad 35 is arranged on the arc surface, when the inner supporting plate 31 is opened, the outer wall of the inner supporting plate 31 is matched with the inner wall of the motor stator, the bonding area is large, the acting force of the inner supporting plate 31 on the motor stator can be dispersed, the rubber pad 35 can reduce the abrasion between the inner supporting plate 31 and the motor stator, the acting force of the inner supporting plate 31 on the motor stator can be buffered, so as to avoid cracks caused by the motor stator being excessively stressed, one end of the driving connecting rod 33 is hinged with a side lug on the movable sleeve 4 through a pin, the other end of the inner supporting plate 31, and the driving connecting rod 33 is provided with a cross beam 37 to increase the strength.

As shown in FIG. 4, the power assembly 5 comprises a cylinder seat 51, a cylinder 52 and a connecting piece 53, wherein the cylinder seat 51 comprises an L-shaped plate 511 fixedly provided with the cylinder 52 and a flat plate 512 fixedly connected to the L-shaped plate 511 through bolts, a hole is formed between the L-shaped plate 511 and the flat plate 512, the pull rod 1 is inserted into the hole, the bolts between the L-shaped plate 511 and the flat plate 512 can be removed, the hole is opened, the cylinder seat 51 can be separated from the pull rod 1, the position of the cylinder 52 relative to the pull rod 1 is adjusted, the opening and closing size of the tensioning piece 3 is adjusted according to the specification of the motor stator, the connecting piece 53 is fixedly connected to the output end of the cylinder 52, and the connecting piece 53 is connected with the movable sleeve 4.

The working principle is as follows: the cylinder 52 pushes the movable sleeve 4 to be close to the fixed sleeve 32, the driving connecting rod 33 pushes the inner supporting plate 31 to be far away from the pull rod 1, the driven connecting rod 34 rotates the supporting inner supporting plate 31 accordingly, the distance between the plurality of inner supporting plates 31 on the periphery of the pull rod 1 is increased, the outer wall of the inner supporting plate 31 extrudes the inner cavity wall of the motor stator, and the tensioning piece 3 is in tensioning fit with the cavity of the stator.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some or all of the technical features thereof, without departing from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A fixed stator internal stay lifting appliance is characterized by comprising a pull rod, a support fixed at one end of the pull rod, a plurality of tensioning pieces connected to the other end of the pull rod and distributed along the radial direction of the pull rod, a movable sleeve sleeved on the pull rod and hinged with the tensioning pieces, and a power assembly for pushing the movable sleeve to move along the pull rod so as to drive the tensioning pieces to be in tensioning fit with a stator hole cavity;

2. The fixed stator inner support hanger of claim 1, wherein the ring sleeve is provided with an opening formed by dividing along a radial direction thereof, and both sides of the opening are locked by bolts and nuts.

3. The fixed stator inner support hanger of claim 1, wherein the top plate defines a plurality of mounting holes.

4. The fixed stator inner support hanger of claim 1, wherein the power assembly comprises a cylinder block detachably secured to the tie bar and a cylinder.

5. The fixed stator inner support hanger of claim 1, wherein the tensioning member comprises an inner support plate, a fixed sleeve arranged on the outer periphery of the pull rod, a driving connecting rod with one end hinged to the fixed sleeve and the other end hinged to the movable sleeve, and a driven connecting rod with one end hinged to the fixed sleeve and the other end hinged to the inner support plate.

6. The fixed stator inner support spreader of claim 5, wherein the active link is provided with a cross beam.

7. The fixed stator inner support hanger of claim 5, wherein the surface of the inner support plate away from the pull rod is curved to form an arc surface, and the arc surface has a radian consistent with the radian of the inner wall of the motor stator.

8. The fixed stator inner support hanger of claim 7, wherein a rubber pad is arranged on the arc-shaped surface.