Fixed turnover device for motor rotor maintenance

Abstract

The utility model discloses a fixed turnover device for motor rotor maintenance, belongs to the technical field of motor maintenance equipment, and is used for turnover when a motor rotor is maintained. According to the technical scheme, a support base is placed on the ground, rotating shaft holes are formed in the middles of two stand columns of the support base respectively, a rotating frame is a rectangular plate frame, and the two ends of two longitudinal plates of the rotating frame are connected with the two ends of two transverse plates through fixing bolts respectively. The two rotating shafts enable the two longitudinal plates of the rotating frames to be rotationally connected with the two stand columns through the rotating shaft holes respectively, shaft head sleeves are fixed to the inner side plate faces of the middles of the transverse plates of the two rotating frames respectively, and shaft heads at the two ends of the motor rotor are embedded into inner holes of the two shaft head sleeves respectively. The motor rotor overturning device is simple in structure and convenient to use, a crane and other equipment are not needed, a motor rotor can be rapidly overturned to a vertical position, overturning stability and reliability are improved, smooth insulation paint infiltration is guaranteed, and maintenance work efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fixed turnover device for use when motor rotor is maintained, belongs to motor maintenance equipment technical field. BACKGROUND

[0002] In the maintenance operation of motor single equipment, the motor rotor coil winding needs to be insulated paint infiltrated after being repaired, and the motor rotor needs to be in a vertical state during the insulation paint infiltration. The current method for erecting the medium and large motor rotor is to use a crane for hoisting. Since the shaft head of the motor rotor is a columnar structure on both sides, it is extremely inconvenient to operate and has a high risk of safety hazards during hoisting and turning. The larger the power of the motor to be maintained, the larger the rotor, the more difficult the hoisting and turning, which seriously affects the smooth operation of the insulation paint infiltration and reduces the maintenance efficiency. Therefore, it is necessary to improve the hoisting and turning operation of the motor rotor to improve the operation efficiency and eliminate safety hazards. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a fixed turnover device for motor rotor maintenance. The fixed turnover device can quickly turn the motor rotor, improve the stability and reliability of the turning, ensure the smooth operation of the insulation paint infiltration, improve the efficiency of the maintenance work, and avoid safety accidents.

[0004] The technical solution to solve the above technical problem is:

[0005] A fixed turnover device for motor rotor maintenance, which comprises a support seat, a rotating frame, a fixing bolt, a rotating shaft, and a shaft head sleeve. The support seat comprises a column and a bottom beam. Two bottom beams are placed parallel on the ground. The lower ends of two columns are respectively fixedly connected with the centers of two bottom beams perpendicularly. The middle parts of two columns respectively have rotating shaft holes. The rotating frame is a rectangular plate frame. The two ends of two longitudinal plates of the rotating frame are respectively connected with the two ends of two horizontal plates by fixing bolts. The centers of two longitudinal plates of the rotating frame respectively have shaft holes opposite to the rotating shaft holes of two columns. Two rotating shafts are respectively connected with two longitudinal plates of the rotating frame and two columns through rotating shaft holes. The middle inner side plate surfaces of two horizontal plates of two rotating frames respectively have shaft head sleeves. The inner holes of the shaft head sleeves match the diameters of the shaft heads of the motor rotor. The shaft heads at both ends of the motor rotor are respectively embedded in the inner holes of two shaft head sleeves.

[0006] The horizontal state fixing device for motor rotor maintenance, the two bottom beams of the support base are vertically fixedly connected with horizontal rods, the two sides of the two columns are respectively welded with the upper surfaces of the two bottom beams through inclined pull rods, the left and right ends of the rotating shaft hole of the column are respectively provided with vertical positioning pin holes, the two vertical positioning pin holes are respectively located on the two sides of the rotating shaft hole in the horizontal direction, and the distance between the two vertical positioning pin holes in the horizontal direction matches the width of the vertical plate of the rotating frame.

[0007] The horizontal state fixing device for motor rotor maintenance, the two ends of the two vertical plates of the rotating frame are respectively provided with two adjusting holes along the length direction, the two ends of the two horizontal plates of the rotating frame are respectively provided with ninety-degree bending plates, the plate surfaces of the bending plates are provided with two adjusting holes which are opposite to the adjusting holes of the vertical plates, and the two ends of the two vertical plates and the bending plates of the two ends of the two horizontal plates of the rotating frame are connected through the fixed bolts and the adjusting holes.

[0008] The horizontal state fixing device for motor rotor maintenance, the inside of the horizontal plate of the rotating frame is provided with shaft head sleeves, one of the shaft head sleeves is a fixed sleeve, and the other is an adjustable sleeve, the adjustable sleeve is composed of an adjusting column and a threaded sleeve, the lower end of the adjusting column is fixedly welded on the plate surface of the horizontal plate, the column body of the adjusting column is provided with threads, the inner hole wall of the threaded sleeve is provided with threads matched with the threads of the column body of the adjusting column, the lower end of the threaded sleeve is threadedly connected with the upper end of the adjusting column, one shaft head of the motor rotor is embedded in the threaded sleeve of the fixed sleeve or the adjustable sleeve, the outer walls of the fixed sleeve and the threaded sleeve of the adjustable sleeve are respectively provided with jackscrew holes, and the jackscrew is passed through the jackscrew holes and is in jacking connection with the shaft head of the motor rotor.

[0009] The horizontal state fixing device for motor rotor maintenance has the advantages that:

[0010] The rotating frame can fix the motor rotor in the horizontal state, and then is rotated to the vertical state to perform the impregnation operation on the motor rotor, the two ends of the vertical plate and the horizontal plate of the rotating frame are connected through the two adjusting holes and the fixed bolts, the detachable structure can enable the motor rotor to be placed in the rotating frame, the two ends of the motor rotor are embedded in the shaft head sleeves, the length of the rotating frame can be adjusted through the adjusting holes at the same time, and the rotating frame is suitable for motor rotors with different lengths, the shaft head sleeves can fix the two ends of the motor rotor, the shaft head sleeve with the adjustable sleeve can enable the motor rotor to be closely connected with the shaft head sleeve, and the two vertical positioning pins are clamped on the two sides of the rotating frame, so that the rotating frame can be prevented from rotating.

[0011] The horizontal state fixing device for motor rotor maintenance has the advantages that: the structure is simple, the use is convenient, the motor rotor can be quickly rotated from the horizontal position to the vertical position without other equipment such as a crane, the stability and reliability of the rotation are improved, the smooth impregnation of the insulating paint is ensured, the efficiency of the maintenance work is improved, and safety accidents can be avoided. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a schematic diagram showing the connection between the longitudinal and transverse plates of the rotating frame;

[0014] Figure 3 This is a schematic diagram of the adjustable shaft head sleeve.

[0015] The following are the markings in the diagram: 1. Support base; 2. Column; 3. Bottom beam; 4. Horizontal bar; 5. Diagonal tie rod; 6. Rotating frame; 7. Longitudinal plate; 8. Horizontal plate; 9. Fixing bolt; 10. Rotating shaft; 11. Shaft head sleeve; 12. Vertical positioning pin; 13. Adjusting column; 14. Threaded sleeve; 15. Set screw; 16. Motor rotor. Detailed Implementation

[0016] This utility model consists of a support base 1, a rotating frame 6, a fixing bolt 9, a rotating shaft 10, a shaft head sleeve 11, a vertical positioning pin 12, and a set screw 15.

[0017] Figure 1 The support base 1 consists of columns 2, base beams 3, crossbars 4, and diagonal braces 5. The two base beams 3 are placed parallel to each other on the ground. The lower ends of the two columns 2 are vertically fixed to the centers of the two base beams 3 respectively. The inner sides of the two base beams 3 are vertically fixed to the crossbars 4. The two sides of the two columns 2 are welded to the upper surfaces of the two base beams 3.

[0018] Figure 1 , 2 The rotating frame 6 is a rectangular plate frame composed of two longitudinal plates 7 and two transverse plates 8. Each end of the two longitudinal plates 7 has two adjustment holes along its length. Each end of the two transverse plates 8 has a 90-degree bend, with two adjustment holes on the surface of each bend corresponding to the adjustment holes in the longitudinal plates 7. Fixing bolts 9 connect the ends of the two longitudinal plates 7 to the bends at the ends of the two transverse plates 8 through these adjustment holes. The length of the rotating frame 6 can be adjusted using these adjustment holes to accommodate motor rotors 16 of different lengths.

[0019] Figure 1 As shown, the two columns 2 of the support base 1 each have a rotating shaft hole in the middle. The two longitudinal plates 7 of the rotating frame 6 each have a shaft hole in the center that is opposite to the rotating shaft hole of the two columns 2. The two rotating shafts 10 respectively connect the two longitudinal plates 7 of the rotating frame 6 to the two columns 2 through the rotating shaft hole. The rotating frame 6 can rotate around the rotating shaft 10.

[0020] Figure 1As shown in the figure, the middle inner plate surface of the two horizontal plates 8 of the rotating frame 6 is fixed with a shaft head sleeve 11 respectively, the inner hole of the shaft head sleeve 11 matches the diameter of the shaft head of the motor rotor 16, the shaft head of the motor rotor 16 at both ends is embedded in the inner hole of the two shaft head sleeves 11 respectively, and the two shaft head sleeves 11 fix the shaft head of the motor rotor 16.

[0021] Figure 1 、 3 As shown in the figure, the shaft head sleeve 11 installed in the inner side of the horizontal plate 8 of the rotating frame 6 is one fixed sleeve and the other is an adjustable sleeve, the adjustable sleeve is composed of an adjusting column 13 and a threaded sleeve 14, the lower end of the adjusting column 13 is fixedly welded on the plate surface of the horizontal plate 8, the outer wall of the column body of the adjusting column 13 is threaded, the inner hole wall of the threaded sleeve 14 is threaded and matches the threads on the outer wall of the adjusting column 13, the lower end of the threaded sleeve 14 is threadedly connected with the upper end of the adjusting column 13, and one shaft head of the motor rotor 16 is embedded in the threaded sleeve 14 of the adjustable sleeve.

[0022] Figure 1 、 3 As shown in the figure, the outer wall of the fixed sleeve and the threaded sleeve 14 of the adjustable sleeve of the shaft head sleeve 11 is respectively provided with a jack hole, and the jack 15 is connected in tight contact with the shaft head of the motor rotor 16 by penetrating the jack hole. In use, the threaded sleeve 14 of the adjustable sleeve is rotated to adjust the height of the threaded sleeve 14, so that the bottom surface of the threaded sleeve 14 is in close contact with the end surface of the motor rotor 16, so that the two shaft head sleeves 11 can tightly press the motor rotor 16 from both ends, and the shaft head sleeve 11 is fixedly connected with the motor rotor 16 by the jack 15, and the motor rotor 16 is clamped between the two shaft head sleeves 11 and cannot rotate and shake.

[0023] Figure 1 As shown in the figure, the left and right ends of the rotating shaft hole of the stand column 2 are respectively provided with vertical positioning pin holes, the two vertical positioning pin holes are located on the two sides of the rotating shaft hole in the horizontal direction, and the distance between the two vertical positioning pin holes in the horizontal direction matches the width of the vertical plate 7 of the rotating frame 6. The two vertical positioning pins 12 are inserted into the vertical positioning pin holes and clamped on the two sides of the rotating frame 6, so that the rotating frame can be prevented from rotating.

[0024] The use process of the utility model is as follows:

[0025] The rotating frame 6 is rotated to the horizontal position, the fixed bolt 9 at the joint of the longitudinal plate 7 and the transverse plate 8 of the rotating frame 6 is disassembled, the transverse plate 8 is removed, the motor rotor 16 is placed into the rotating frame 6, one end of the motor rotor 16 is embedded into the shaft head sleeve 11 at one end of the transverse plate 8 which is not disassembled, then the disassembled transverse plate 8 is connected with the longitudinal plate 7, the position of the fixed bolt 9 is adjusted by selecting the adjusting hole, the shaft head sleeves 11 of the two transverse plates 8 clamp the motor rotor 16, then the threaded sleeve 14 of the adjustable sleeve is rotated to finely adjust, the bottom surface of the threaded sleeve 14 is in close contact with the end surface of the motor rotor 16, then the shaft head sleeve 11 is fixedly connected with the motor rotor 16 by the jack screw 15, and the motor rotor 16 is clamped between the two shaft head sleeves 11 and cannot rotate and shake;

[0026] The rotating frame 6 is rotated to the vertical position, the two vertical positioning pins 12 are inserted into the vertical positioning pin holes of the stand column 2, and the two vertical positioning pins 12 are clamped on the two sides of the rotating frame 6, so that the rotating frame 6 cannot rotate;

[0027] After the vertical positioning of the motor rotor 16 is completed, the insulating paint immersion operation can be performed on the motor rotor in the vertical state.

[0028] An embodiment of the utility model is as follows:

[0029] The length of the stand column 2 of the support base 1 is 1000mm, the width is 100mm, and the height is 600mm, the length of the bottom beam 3 is 1000mm, the width is 100mm, and the thickness is 5mm, the length of the cross rod 4 is 610mm, the width is 100mm, and the thickness is 5mm, and the length of the inclined pull rod 5 is 500mm, the width is 100mm, and the thickness is 5mm;

[0030] The length of the longitudinal plate 7 of the rotating frame 6 is 1500mm, the width is 80mm, and the thickness is 3mm, and the length of the transverse plate 8 is 600mm, the width is 80mm, and the thickness is 3mm;

[0031] The diameter of the fixed bolt 9 is 16mm, and the length is 45mm;

[0032] The diameter of the rotating shaft 10 is 60mm, and the length is 20mm;

[0033] The outer diameter of the shaft head sleeve 11 is 125mm, the inner hole diameter is 120mm, and the length is 130mm;

[0034] The diameter of the vertical positioning pin 12 is 8mm, and the length is 30mm;

[0035] The diameter of the motor rotor 16 is 100mm, and the length is 133mm.

Claims

1. A fixed tilting device for motor rotor maintenance, characterized in that: It includes support seat (1), rotating frame (6), fixed bolt (7), rotating shaft (10), shaft head sleeve (11), support seat (1) includes column (2) and bottom beam (3), two bottom beams (3) are placed parallel on the ground, the lower end of two columns (2) is respectively fixedly connected with the center of two bottom beams (3) vertically, the middle part of two columns (2) is respectively provided with rotating shaft hole, rotating frame (6) is rectangular plate frame, the two ends of the two longitudinal plates (7) of rotating frame (6) are respectively connected by fixed bolt (9) with the two ends of two horizontal plates (8), the center of the two longitudinal plates (7) of rotating frame (6) is respectively provided with shaft hole and is opposite to the rotating shaft hole of two columns (2), two rotating shafts (10) are respectively connected with the rotating shaft hole to rotate the two longitudinal plates (7) of rotating frame (6) and two columns (2), the inner side of the middle part of the horizontal plate (8) of two rotating frames (6) is respectively fixed with shaft head sleeve (11), the inner hole of shaft head sleeve (11) is matched with the diameter of the shaft head of motor rotor (16), the shaft head of the two ends of motor rotor (16) is respectively embedded in the inner hole of two shaft head sleeves (11).

2. The fixture flip device for motor rotor repair of claim 1, wherein: The inner side of the two bottom beams (3) of the support seat (1) is provided with a horizontal rod (4) vertically fixedly connected, the two sides of the two columns (2) are respectively provided with a diagonal pull rod (5) and a welding connection with the upper surface of the two bottom beams (3), the left and right ends of the rotating shaft hole of the column (2) are respectively provided with vertical positioning pin holes, the two vertical positioning pin holes are respectively located on the two sides of the rotating shaft hole in the horizontal direction, the distance of the two vertical positioning pin holes in the horizontal direction is matched with the width of the longitudinal plate (7) of the rotating frame (6), and the two vertical positioning pins (12) are inserted in the vertical positioning pin holes and clamped on the two sides of the rotating frame (6).

3. The fixture flip device for motor rotor repair of claim 1, wherein: The two ends of the two longitudinal plates (7) of the rotating frame (6) are respectively provided with two adjusting holes along the length direction, the two ends of the two horizontal plates (8) of the rotating frame (6) are respectively provided with ninety-degree bending plates, the plate surface of the bending plate is provided with two adjusting holes respectively opposite to the adjusting holes of the longitudinal plate (7), and the fixed bolt (9) is connected with the two ends of the two longitudinal plates (7) and the bending plates of the two ends of the two horizontal plates (8) through the adjusting holes.

4. The fixture flip device for motor rotor repair of claim 1, wherein: The shaft head sleeve (11) installed on the inner side of the horizontal plate (8) of the rotating frame (6) is one fixed sleeve and the other is an adjustable sleeve, the adjustable sleeve is composed of an adjusting column (13) and a threaded sleeve (14), the lower end of the adjusting column (13) is fixedly welded on the plate surface of the horizontal plate (8), the column body of the adjusting column (13) has threads, the inner hole wall of the threaded sleeve (14) has threads matched with the threads of the outer wall of the adjusting column (13), the lower end of the threaded sleeve (14) is threadedly connected with the upper end of the adjusting column (13), one shaft head of the motor rotor (16) is embedded in the threaded sleeve (14) of the fixed adjustable sleeve, the outer wall of the fixed sleeve and the threaded sleeve (14) of the adjustable sleeve of the shaft head sleeve (11) is respectively provided with a jackscrew hole, and the jackscrew (15) is tightly connected with the shaft head of the motor rotor (16) by penetrating the jackscrew hole.

Images