CN213679193U

CN213679193U - Motor rotor maintenance wire drawing device

Info

Publication number: CN213679193U
Application number: CN202022777160.0U
Authority: CN
Inventors: 冯杰; 李海强; 李洪; 李晋山; 魏志新
Original assignee: Taiyuan Iron and Steel Group Co Ltd
Current assignee: Taiyuan Iron and Steel Group Co Ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-13
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to a motor maintenance trade. A motor rotor maintenance wire drawing device comprises a base, a winch, a steel wire rope guide mechanism, a top disc, a clamp, a guide rail, a first trolley assembly and a second trolley assembly; the base top is provided with the hoist engine, hoist engine one side is provided with wire rope guiding mechanism, be provided with the take-up on the base of wire rope guiding mechanism opposite side, the take-up opposite side has set gradually first dolly subassembly and second dolly subassembly, first dolly subassembly and second dolly subassembly set up on the guide rail, the guide rail is including fixing last guide rail and the lower rail on the base, this device can guarantee that every withdrawal force direction is unanimous with winding wire casing direction, the protection iron core is not damaged, reduce operational environment's safe risk, the operation in-process does not need many times handling rotor, moreover, the steam generator is simple in operation, high efficiency, safety.

Description

Motor rotor maintenance wire drawing device

Technical Field

The utility model relates to a motor maintenance trade.

Background

In the motor maintenance industry, the winding of the damaged motor rotor often needs to be disassembled, the motor rotor of the wound-rotor motor is formed by regularly embedding a coil wound by a copper wire into a rotor core slot, and the damaged rotor of the copper wire needs to draw out the copper wire from the rotor core slot and replace the new coil.

Most of the traditional wire drawing methods are to cut off one end of a rotor winding, fix the rotor, hook or clamp the other end of the winding by a hook or a special clamp, and sequentially draw out copper coils in an iron core groove by a winch or an electric hoist.

The existing wire drawing device completely fixes the rotor when a motor rotor coil is drawn out, and the motor rotor needs to be lifted and rotated for many times in the wire drawing operation process and then fixed, so that the operation is very complicated; the steel wire rope and the rotor lead cannot be guaranteed to be on the same straight line, so that the iron core is subjected to lateral force, and the rotor iron core is frequently damaged or even scrapped; the steel wire rope and the rotor lead are not on the same straight line, on the other hand, the pull-out force is increased to a great extent, sometimes even the coil is blocked, and the risk that the hook or the clamp is thrown out and the steel wire rope is broken is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric motor rotor maintains wire drawing device to above-mentioned problem exactly.

The purpose of the utility model is realized like this: a motor rotor maintenance wire drawing device comprises a base, a winch, a steel wire rope guide mechanism, a top disc, a clamp, a guide rail, a first trolley assembly and a second trolley assembly; a winch is arranged above the base, a steel wire rope guide mechanism is arranged on one side of the winch, a top disc is arranged on the base on the other side of the steel wire rope guide mechanism, a first trolley component and a second trolley component are sequentially arranged on the other side of the top disc, the first trolley component and the second trolley component are arranged on the guide rails, the guide rails comprise an upper guide rail and a lower guide rail which are fixed on the base, the first trolley component comprises a first trolley body, a first roller frame is arranged above the first trolley body, two first rollers are arranged above the first roller frame, two trolley wheel components are respectively arranged at four corners below the first trolley body, the second trolley component comprises a second trolley body, a second roller frame is arranged above the second trolley body, two second rollers are arranged below the second trolley frame, a trolley wheel component is respectively arranged at four corners below the second trolley body, a top bar frame is arranged above the second roller frame, a telescopic ejector rod is arranged on the top bar frame, The lower end of the telescopic ejector rod is provided with a pinch roller, the small pulley component rolls left and right between the upper guide rail and the lower guide rail, the steel wire rope guide mechanism comprises a directional pulley block, a first fixed pulley, a second fixed pulley and a telescopic mechanism, the directional pulley block comprises two fixed pulleys used in a tangent mode, the first fixed pulley is vertically arranged above a base between the directional pulley block and a top plate, the second fixed pulley is vertically arranged above the first fixed pulley, the second fixed pulley is fixed on the telescopic mechanism above the second fixed pulley, the telescopic mechanism is fixed on the base, a telescopic rod of the telescopic mechanism can drive the second fixed pulley to adjust the position up and down, and the steel wire rope sequentially bypasses the first fixed pulley and the second fixed pulley after passing through the directional pulley block and extends out, and is connected with a.

The lower guide rail is a rectangular guide rail, the upper guide rail is two Z-shaped guide rails symmetrically arranged on two sides of the rectangular guide rail, the small wheel assembly comprises a wheel, a wheel shaft, two round nuts and a wheel shaft sleeve, flanges are arranged on two sides of the wheel, the two round nuts are respectively fixed at two ends of the wheel shaft, the flange is arranged on the outer side of each round nut, the wheel shaft sleeve is arranged on each round nut, one side of each Z-shaped guide rail is fixed on the base, and the other side of each Z-shaped guide rail is arranged above the wheel shaft sleeve.

Furthermore, circular grooves with different diameters are formed in the upper portion, close to the first trolley assembly, of one side of the top plate, and are coaxial, and stepped grooves are formed.

The utility model has the advantages that:

the device can ensure that the direction of each extraction force is consistent with the direction of the winding wire slot, the iron core is protected from being damaged, the safety risk of the operation environment is reduced, the rotor does not need to be hoisted for many times in the operation process, and the operation is simple, efficient and safe.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a view of the present invention from direction a.

Fig. 3 is a B-B sectional view of the present invention.

Fig. 4 is a partial enlarged view of the position C of the present invention.

In the figure, the correspondence between the part names and the numbers in the figures is as follows:

1. a base; 2. a winch; 3. a wire rope; 4. a directional pulley block; 5. a first fixed pulley; 6. a second fixed pulley; 7. a telescoping mechanism; 8. a top tray; 9. clamping; 10. a rotor; 11. a second vehicle body; 12. a second roller frame; 13. a second roller; 14. a lower guide rail; 15. an upper guide rail; 16. a wheel; 17. a round nut; 18. a wheel shaft; 19. a wheel axle sleeve; 20. a jack rod frame; 21. a telescopic ejector rod; 22. a pinch roller; 23. a first vehicle body; 24. a first roller frame; 25. a first roller.

Detailed Description

For solving the problems of complex operation, easy stress deformation of an iron core and poor safety in the process of dismantling a motor winding, the motor rotor maintenance wire drawing device can ensure that the direction of the drawing force is consistent with the direction of a winding wire slot at each time, protect the iron core from being damaged, reduce the safety risk of an operating environment, avoid hoisting the rotor for many times in the operation process, and has simple, efficient and safe operation.

The utility model provides an electric motor rotor maintains wire drawing device, include: the base, fix the hoist engine in base one side, wire rope at the hoist engine is fixed to one end, wire rope passes the directional pulley group, the directional pulley group includes two tangent fixed pulleys that use, and after wire rope walked around first fixed pulley, second fixed pulley in proper order, at wire rope's terminal fixed clamp, first fixed pulley rotates and connects on the base, sets up telescopic machanism in the top of first fixed pulley telescopic machanism's end rotation is connected with the second fixed pulley, through adjustment telescopic machanism, just can adjust wire rope's height. The two guide rails are longitudinally fixed on the other side of the base and comprise a rectangular guide rail and two Z-shaped guide rails, the two Z-shaped guide rails are respectively and symmetrically arranged on two sides of the rectangular guide rail, a first trolley assembly and a second trolley assembly capable of rolling are arranged on the guide rails, the first trolley assembly comprises a first vehicle body, a first roller frame, two first rollers and four trolley assemblies, each trolley assembly comprises a trolley wheel, a wheel axle, two round nuts and a wheel axle sleeve, the roller frame is fixed above the vehicle body, the two rotatable rollers are arranged on the roller frame, the four trolley assemblies are fixed below the vehicle body, two sides of the wheel axle are respectively connected with the two round nuts through threads, the end parts of the round nuts are provided with bosses, and the wheel axle sleeves are sleeved on the round nuts. The second trolley assembly comprises a second trolley body, a second roller carrier, two second rollers, four trolley wheel assemblies, a top rod frame, a telescopic top rod and a pressing wheel, wherein one side of the top rod frame is hinged with the trolley body or the roller carrier, the other side of the top rod frame can be fixed with the trolley body or the roller carrier through a bolt, the telescopic top rod is arranged in the middle of the top rod frame, and one end of the telescopic top rod is rotatably connected with the pressing wheel. The shaft that the rotor both sides stretched out is placed on the gyro wheel, has the top dish of adjustable height at the tip that wire rope side shaft stretched, set up the circular recess of different diameters on the top dish, the circular recess of different diameters is coaxial, has formed the recess of step form.

Examples

As shown in fig. 1 to 4, a wire drawing device for repairing a motor rotor comprises: the device comprises a base 1, a winch 2, a steel wire rope 3, a steel wire rope guide mechanism, a top disc 8, a clamp 9, two guide rails, a first trolley assembly and a second trolley assembly. The guide rail comprises a lower guide rail 14 and an upper guide rail 15, the section of the lower guide rail 14 is rectangular, and the upper guide rail 15 is a Z-shaped section guide rail symmetrically arranged on two sides of the lower guide rail 14. The first trolley assembly comprises a first trolley body 23, a first roller carrier 24, two first rollers 25 and four trolley wheel assemblies, wherein each trolley wheel assembly comprises a wheel 16, a wheel shaft 18, two round nuts 17 and a wheel shaft sleeve 19. The second trolley assembly comprises a second trolley body 11, a second roller frame 12, two second rollers 13, four trolley wheel assemblies, a top rod frame 20, a telescopic top rod 21 and a pinch roller 22, wherein the trolley wheel assemblies comprise wheels 16, a wheel shaft 18, two round nuts 17 and a wheel shaft sleeve 19. The hoist 2 is fixed above the base 1, two guide rails are longitudinally fixed on the other side of the base 1, and the first wheel assembly and the second wheel assembly can roll left and right between the upper guide rail 15 and the lower guide rail 14. One side of the ejector rod frame 20 is hinged with the roller frame 12, the other side of the ejector rod frame 20 can be fixed with the roller frame 12 through bolts, a telescopic ejector rod 21 is arranged in the middle of the ejector rod frame 20, and a pressing wheel 22 is rotatably connected to the lower end of the telescopic ejector rod 21. One end of the steel wire rope 3 is fixed on the winch 2, and the other end of the steel wire rope passes through the steel wire rope guide mechanism and is connected with the clamp 9 at the tail end.

As shown in fig. 2-4, the lower guide rail 14 is a rectangular guide rail, the upper guide rail is two Z-shaped guide rails symmetrically disposed on two sides of the rectangular guide rail, the small wheel assembly includes a wheel 16, a wheel shaft 18, two round nuts 17, and a wheel shaft sleeve 19, two sides of the wheel 16 have flanges, the two round nuts 17 are respectively fixed on two ends of the wheel shaft 18, the outer side of the round nut 17 has a flange, the wheel shaft sleeve 19 is sleeved on the round nut 17, one side of the Z-shaped guide rail is fixed on the base, and the other side is above the wheel shaft sleeve.

As shown in fig. 1, the wire rope guide mechanism includes a directional pulley block 4, a first fixed pulley 5, a second fixed pulley 6, and a telescopic mechanism 7, wherein the directional pulley block 4 includes two fixed pulleys used tangentially. After the steel wire rope 3 passes through the directional pulley block 4, the steel wire rope sequentially bypasses the first fixed pulley 5 and the second fixed pulley 6, the first fixed pulley 5 is rotatably connected to the base 1, the telescopic mechanism 7 is arranged above the first fixed pulley 5, the lower end of the telescopic mechanism 7 is rotatably connected with the second fixed pulley 6, and the extending height of the steel wire rope 3 can be adjusted by adjusting the telescopic mechanism 7.

Preferably, the top disk 8 is provided with circular grooves of different diameters, which are coaxial, forming a step-like groove.

Preferably, a bolt is arranged on the other side of the top plate 8, the bolt penetrates through a long hole formed in the base, and the position of the top plate can be adjusted up and down by loosening the bolt.

The working principle is that a rotor with one side of the coil end cut off is erected on a first trolley component and a second trolley component, shafts on two sides of the rotor are erected above two first idler wheels 25 of the first trolley component and above two second idler wheels 13 of the second trolley component respectively, one end of the rotor shaft is abutted against a top disc 8, then a top rod frame 20 and a second idler wheel frame 12 are connected and fixed, a telescopic ejector rod 21 is adjusted, a pressing wheel 22 is pressed above the rotor shaft, a clamp 9 clamps the uppermost coil of the rotor, a telescopic mechanism 7 is adjusted again, the direction of the steel wire rope tension is consistent with the direction of the uppermost wire slot of the rotor, a winch 2 is operated to pull the steel wire rope 3, a group of coils clamped by the clamp 9 can be pulled out, a winding is rotated, and other coils on the rotor are pulled out in sequence.

The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. The utility model provides a motor rotor maintenance wire drawing device which characterized in that: the device comprises a base, a winch, a steel wire rope guide mechanism, a top disc, a clamp, a guide rail, a first trolley assembly and a second trolley assembly; a winch is arranged above the base, a steel wire rope guide mechanism is arranged on one side of the winch, a top disc is arranged on the base on the other side of the steel wire rope guide mechanism, a first trolley component and a second trolley component are sequentially arranged on the other side of the top disc, the first trolley component and the second trolley component are arranged on the guide rails, the guide rails comprise an upper guide rail and a lower guide rail which are fixed on the base, the first trolley component comprises a first trolley body, a first roller frame is arranged above the first trolley body, two first rollers are arranged above the first roller frame, two trolley wheel components are respectively arranged at four corners below the first trolley body, the second trolley component comprises a second trolley body, a second roller frame is arranged above the second trolley body, two second rollers are arranged below the second trolley frame, a trolley wheel component is respectively arranged at four corners below the second trolley body, a top bar frame is arranged above the second roller frame, a telescopic ejector rod is arranged on the top bar frame, The lower end of the telescopic ejector rod is provided with a pinch roller, the small pulley component rolls left and right between the upper guide rail and the lower guide rail, the steel wire rope guide mechanism comprises a directional pulley block, a first fixed pulley, a second fixed pulley and a telescopic mechanism, the directional pulley block comprises two fixed pulleys used in a tangent mode, the first fixed pulley is vertically arranged above a base between the directional pulley block and a top plate, the second fixed pulley is vertically arranged above the first fixed pulley, the second fixed pulley is fixed on the telescopic mechanism above the second fixed pulley, the telescopic mechanism is fixed on the base, a telescopic rod of the telescopic mechanism can drive the second fixed pulley to adjust the position up and down, and the steel wire rope sequentially bypasses the first fixed pulley and the second fixed pulley after passing through the directional pulley block and extends out, and is connected with a.

2. The motor rotor maintenance wire drawing device according to claim 1, wherein: the lower guide rail is a rectangular guide rail, the upper guide rail is two Z-shaped guide rails symmetrically arranged on two sides of the rectangular guide rail, the small wheel assembly comprises wheels, wheel shafts, two round nuts and wheel shaft sleeves, flanges are arranged on two sides of the wheels, the two round nuts are respectively fixed at two ends of the wheel shafts, the flanges are arranged on the outer sides of the round nuts, the wheel shaft sleeves are arranged on the round nuts, one sides of the Z-shaped guide rails are fixed on the base, and the other sides of the Z-shaped guide rails are arranged above the wheel shaft sleeves.

3. The motor rotor maintenance wire drawing device according to claim 1, wherein: the upper portion of one side of the top disc close to the first trolley assembly is provided with circular grooves with different diameters, and the circular grooves with different diameters are coaxial to form a step-shaped groove.