CN215946543U - Bearing bush overhead hoist suitable for large-scale motor - Google Patents
Bearing bush overhead hoist suitable for large-scale motor Download PDFInfo
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- CN215946543U CN215946543U CN202122202023.9U CN202122202023U CN215946543U CN 215946543 U CN215946543 U CN 215946543U CN 202122202023 U CN202122202023 U CN 202122202023U CN 215946543 U CN215946543 U CN 215946543U
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Abstract
A bearing bush hoisting device suitable for a large-scale motor comprises a square support frame, a support rod, a pressure sensor, a square sliding frame, a hoisting mechanism, a transverse moving mechanism, a PLC and a counterweight mechanism; the number of the supporting rods is four, and the supporting rods are respectively vertically arranged at four corners of the lower end face of the square supporting frame; the pressure sensor is arranged on the bottom end face of the supporting rod; the square sliding frame is arranged on the lower end face of the square supporting frame; the transverse moving mechanism is arranged on the upper end face of the square support frame and is connected with the square sliding frame; the lifting mechanism is arranged on the bottom end face of the inner wall of the square sliding frame; the counterweight mechanism is arranged on the top end surface of the outer wall of the square sliding frame; and the signal output end of the pressure sensor is connected with the signal input end of the PLC. The utility model improves the lifting efficiency of the motor bearing bush and reduces the labor intensity of workers.
Description
Technical Field
The utility model relates to a bearing bush hoisting device, in particular to a device capable of hoisting a bearing bush out of a motor, and belongs to the technical field of hoisting equipment.
Background
The bearing bush is an important component of the large-scale direct current motor, is a part in which a sliding bearing is contacted with a shaft neck, is in the shape of a tile-shaped semi-cylindrical surface, and plays a role of supporting a rotor of the large-scale direct current motor under the lubricating and cooling effects of circulating lubricating oil; the actual bearing bush is heavy, sometimes the motors are used in a group of two, the two motors are in an up-down relationship, when the bearing bush in the lower motor is taken out, the bearing bush in the lower motor cannot be hoisted out by using the overhead travelling crane due to the shielding of the upper motor, and the bearing bush in the lower motor can be hoisted out only after the part of the overhead travelling crane shielded by the upper motor is disassembled, so that the operation mode is low in efficiency, and the labor intensity of workers is greatly increased; therefore, a device capable of lifting the bearing bush of the lower motor without disassembling the upper motor is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a bearing bush lifting device suitable for a large-scale motor, which can reduce the labor intensity of workers and improve the lifting efficiency of bearing bushes.
The problems of the utility model are solved by the following technical scheme:
a bearing bush hoisting device suitable for a large-scale motor comprises a square support frame, a support rod, a pressure sensor, a square sliding frame, a hoisting mechanism, a transverse moving mechanism, a PLC and a counterweight mechanism; the number of the supporting rods is four, and the supporting rods are respectively vertically arranged at four corners of the lower end face of the square supporting frame; the pressure sensor is arranged on the bottom end face of the supporting rod; the square sliding frame is arranged on the lower end face of the square supporting frame; the transverse moving mechanism is arranged on the upper end face of the square support frame and is connected with the square sliding frame; the lifting mechanism is arranged on the bottom end face of the inner wall of the square sliding frame; the counterweight mechanism is arranged on the top end surface of the outer wall of the square sliding frame; and the signal output end of the pressure sensor is connected with the signal input end of the PLC.
According to the bearing bush hoisting device suitable for the large motor, the square support frame comprises a first cross frame and a second cross frame; the quantity of first crossbearer and second crossbearer is two, and two first crossbearers are parallel to each other, and two second crossbearers are parallel to each other, and first crossbearer and second crossbearer head and the tail are perpendicular to be connected gradually and are constituteed a square body.
The square sliding frame comprises an upper transverse plate, a lower transverse plate, a vertical plate and a T-shaped clamping block; the upper transverse plate and the lower transverse plate are parallel to each other, and two ends of the upper transverse plate and two ends of the lower transverse plate are connected through vertical plates; the upper end face of the upper transverse plate is provided with a T-shaped clamping block, the lower end face of the first transverse frame is provided with a clamping groove, and the T-shaped clamping block on the upper transverse plate is clamped in the clamping groove of the first transverse frame.
The bearing bush hoisting device suitable for the large motor comprises a hoisting mechanism, a hoisting mechanism and a hoisting mechanism, wherein the hoisting mechanism comprises a first motor, a first lead screw nut, a pulley, a sliding seat and a winch; the sliding seat is of a cavity structure and is sleeved on the lower transverse plate, the pulley is arranged on the inner wall of the sliding seat, and the pulley is pressed on the upper end surface of the lower transverse plate; the shell of the winch is arranged on the top end surface of the outer wall of the sliding seat; the lower transverse plate is provided with a penetrating strip-shaped hole along the direction of the central line of the lower transverse plate, a steel wire rope of the winch penetrates through the strip-shaped hole in the lower transverse plate, and the end part of the steel wire rope is provided with a hook; the first motor shell is arranged on the upper end surface of the lower transverse plate; one end of the first lead screw is connected with an output shaft of the first motor, and the other end of the first lead screw is connected with the inner side surface of the vertical plate in a shaft mode; the first lead screw nut is arranged on the inner wall of the sliding seat, and the first lead screw penetrates through the first lead screw nut; and signal control ends of the first motor and the winch are connected with a signal output end of the PLC.
The bearing bush hoisting device suitable for the large motor is characterized in that the transverse moving mechanism comprises a second motor, a bearing block, a second lead screw nut and a U-shaped bracket; the shell of the second motor is arranged on the upper end face of the second transverse frame, and the bearing seat is arranged on the upper end face of the other second transverse frame; one end of the second lead screw is connected with an output shaft of the second motor, and the other end of the second lead screw is connected with the bearing seat; the U-shaped bracket is arranged on the upper end surface of the upper transverse plate, and the opening of the U-shaped bracket faces downwards; the top end face of the U-shaped support is connected with a second lead screw nut, and a second lead screw penetrates through the second lead screw nut; and the signal control end of the second motor is connected with the signal output end of the PLC.
The bearing bush hoisting device suitable for the large motor is characterized in that the counterweight mechanism comprises a third motor, a third screw rod nut, a sliding plate, a counterweight block and a clamping seat; the third motor is arranged on the upper end surface of the upper transverse plate, one end of a third lead screw is connected with an output shaft of the third motor, and the other end of the third lead screw penetrates through an inner cavity of the U-shaped support and is connected with the inner wall of the first transverse frame in a shaft mode; the sliding plate is arranged between the upper transverse plate and the lower transverse plate and is clamped on two sides of the upper transverse plate through the clamping seat; the two sides of the lower end surface of the sliding plate are respectively provided with a balancing weight; the upper transverse plate is provided with a penetrating strip-shaped hole along the direction of the central line of the upper transverse plate, and a third screw nut penetrates through the strip-shaped hole of the upper transverse plate and is connected with the central position of the upper end surface of the sliding plate; the third lead screw penetrates through a third lead screw nut; the size of the third lead screw nut is smaller than that of the inner cavity of the U-shaped bracket; and the signal control end of the third motor is connected with the signal output end of the PLC.
The bearing bush is lifted out of the motor and transferred to other places through the lifting mechanism, so that the labor intensity of workers is greatly reduced, and the lifting efficiency of the bearing bush is improved; in addition, the stability of the whole device in the process of transferring the bearing bush is ensured through the counterweight mechanism, and the collapse accident caused by excessive center-of-gravity deviation is avoided.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a partially enlarged structure of the present invention A;
fig. 3 is a schematic perspective view of the square sliding frame, the lifting mechanism and the counterweight mechanism assembly.
The list of labels in the figure is: 1. the lifting device comprises a first transverse frame, 2. a second transverse frame, 3. a supporting rod, 4. an upper transverse plate, 5. a lower transverse plate, 6. a vertical plate, 7. a T-shaped clamping block, 8. a first motor, 9. a first lead screw, 10. a sliding seat, 11. a winch, 12. a second motor, 13. a second lead screw, 14. a U-shaped support, 15. a third motor, 16. a third lead screw, 17. a sliding plate and 18. a balancing weight.
Detailed Description
Referring to fig. 1, 2 and 3, the utility model comprises a square support frame, a support rod 3, a pressure sensor, a square sliding frame, a hoisting mechanism, a transverse moving mechanism, a PLC and a counterweight mechanism; the number of the supporting rods 3 is four, and the supporting rods are respectively vertically arranged at four corners of the lower end face of the square supporting frame; the pressure sensor is arranged on the bottom end face of the supporting rod 3; the pressure sensors are used for sensing the pressure of four corners of the whole frame, which are in contact with the ground, and the gravity center is adjusted through the counterweight mechanism according to different pressures, so that the phenomenon that the gravity center is over-shifted to cause toppling is avoided; the square sliding frame is arranged on the lower end face of the square supporting frame; the transverse moving mechanism is arranged on the upper end face of the square support frame and is connected with the square sliding frame; the transverse moving mechanism can drive the square sliding frame to move transversely; the lifting mechanism is arranged on the bottom end face of the inner wall of the square sliding frame; the hoisting mechanism can hoist the bearing bush and transfer the bearing bush; the counterweight mechanism is arranged on the top end surface of the outer wall of the square sliding frame; and the signal output end of the pressure sensor is connected with the signal input end of the PLC.
The square support frame comprises a first transverse frame 1 and a second transverse frame 2; the quantity of first crossbearer 1 and second crossbearer 2 is two, and two first crossbearers 1 are parallel to each other, and two second crossbearers 2 are parallel to each other, and first crossbearer 1 and second crossbearer 2 connect gradually perpendicularly end to end and constitute a square body.
The square sliding frame comprises an upper transverse plate 4, a lower transverse plate 5, a vertical plate 6 and a T-shaped clamping block 7; the upper transverse plate 4 and the lower transverse plate 5 are parallel to each other, and two ends of the upper transverse plate 4 and two ends of the lower transverse plate 5 are connected through a vertical plate 6; a T-shaped fixture block 7 is arranged on the upper end surface of the upper transverse plate 4, a clamping groove is arranged on the lower end surface of the first transverse frame 1, and the T-shaped fixture block 7 on the upper transverse plate 4 is clamped in the clamping groove of the first transverse frame 1; the square slide frame can slide under the first cross frame 1.
The lifting mechanism comprises a first motor 8, a first lead screw 9, a first lead screw nut, a pulley, a sliding seat 10 and a winch 11; the sliding seat 10 is of a cavity structure and is sleeved on the lower transverse plate 5, the pulley is arranged on the inner wall of the sliding seat 10, and the pulley is pressed on the upper end face of the lower transverse plate 5; the slide carriage 10 slides on the lower cross plate 5 through a pulley.
The housing of the winch 11 is arranged on the top end surface of the outer wall of the sliding seat 10; the lower transverse plate 5 is provided with a penetrating strip-shaped hole along the direction of the central line thereof, a steel wire rope of the winch 11 penetrates through the strip-shaped hole on the lower transverse plate 5, and the end part of the steel wire rope is provided with a hook; the hook is connected with a hanging ring on the bearing bush, and the hoisting operation of the bearing bush is realized through the action of the winch 11; the shell of the first motor 8 is arranged on the upper end surface of the lower transverse plate 5; one end of the first lead screw 9 is connected with an output shaft of the first motor 8, and the other end of the first lead screw 9 is connected with the inner side surface of the vertical plate 6 in a shaft mode; the first lead screw nut is arranged on the inner wall of the sliding seat 10, and the first lead screw 9 penetrates through the first lead screw nut; the signal control ends of the first motor 8 and the winch 11 are connected with the signal output end of the PLC; through the action of the first motor 8, the first lead screw 9 is driven to rotate, so that the first lead screw nut is driven to move, and the first lead screw nut drives the sliding seat 10 to move.
The transverse moving mechanism comprises a second motor 12, a bearing seat, a second lead screw 13, a second lead screw nut and a U-shaped bracket 14; the shell of the second motor 12 is arranged on the upper end surface of the second transverse frame 2, and the bearing seat is arranged on the upper end surface of the other second transverse frame 2; one end of the second lead screw 13 is connected with an output shaft of the second motor 12, and the other end of the second lead screw 13 is connected with the bearing seat; the U-shaped bracket 14 is arranged on the upper end surface of the upper transverse plate 4, and the opening of the U-shaped bracket 14 faces downwards; the top end face of the U-shaped support 14 is connected with a second lead screw nut, and a second lead screw 13 penetrates through the second lead screw nut; the signal control end of the second motor 12 is connected with the signal output end of the PLC; the square sliding frame is driven to move in the transverse direction by the action of the second motor 12.
In order to avoid the inclination of the whole device caused by the gravity center shift, a counterweight mechanism is arranged; the counterweight mechanism comprises a third motor 15, a third screw rod 16, a third screw rod nut, a sliding plate 17, a counterweight block 18 and a clamping seat; the third motor 15 is arranged on the upper end surface of the upper transverse plate 4, one end of a third screw rod 16 is connected with an output shaft of the third motor 15, and the other end of the third screw rod 16 penetrates through an inner cavity of the U-shaped support 14 and is in shaft connection with the inner wall of the first transverse frame 1; the sliding plate 17 is arranged between the upper transverse plate 4 and the lower transverse plate 5, and the sliding plate 17 is clamped on two sides of the upper transverse plate 4 through clamping seats; the two sides of the lower end surface of the sliding plate 17 are respectively provided with a balancing weight 18; a penetrating strip-shaped hole is formed in the upper transverse plate 4 along the direction of the central line of the upper transverse plate, and a third screw nut penetrates through the strip-shaped hole of the upper transverse plate 4 and is connected with the central position of the upper end face of the sliding plate 17; the third lead screw 16 penetrates through a third lead screw nut; the size of the third lead screw nut is smaller than that of the inner cavity of the U-shaped bracket 14; the signal control end of the third motor 15 is connected with the signal output end of the PLC; the position of the counterweight block 18 is adjusted by the action of the third motor 15, so that the gravity of the bearing bush is adapted, and the stability of the frame is ensured.
The actual use process is as follows: the square support frame is placed on one side of the motor, then the second motor 12 and the first motor 18 are actuated to enable the winch 11 to be located right above the motor, then the winch 11 puts down the steel wire rope, the hook hooks the hanging ring, then the winch 11 starts to hoist the bearing bush, then the first motor 18 is actuated to drive the bearing bush to move towards the direction far away from the motor, in the process of moving the bearing bush, the pressure sensors below the four supporting rods 3 transmit signals to the PLC, the gravity center position is known through analysis of the PLC, then the third motor 15 is actuated to adjust the position of the balancing weight 18, so that the gravity center position of the whole device is adjusted, the gravity center is ensured to be close to the central point as far as possible until the bearing bush moves in place, then the winch 11 puts down the steel wire rope, the bearing bush falls to the ground, and the operation of hoisting of the bearing bush is finished.
Claims (6)
1. The utility model provides a axle bush overhead hoist suitable for large motor which characterized in that: the device comprises a square support frame, a support rod (3), a pressure sensor, a square sliding frame, a hoisting mechanism, a transverse moving mechanism, a PLC and a counterweight mechanism; the number of the supporting rods (3) is four, and the supporting rods are respectively vertically arranged at four corners of the lower end face of the square supporting frame; the pressure sensor is arranged on the bottom end face of the supporting rod (3); the square sliding frame is arranged on the lower end face of the square supporting frame; the transverse moving mechanism is arranged on the upper end face of the square support frame and is connected with the square sliding frame; the lifting mechanism is arranged on the bottom end face of the inner wall of the square sliding frame; the counterweight mechanism is arranged on the top end surface of the outer wall of the square sliding frame; and the signal output end of the pressure sensor is connected with the signal input end of the PLC.
2. The bearing bush overhead hoist suitable for the large-scale motor according to claim 1, characterized in that: the square support frame comprises a first transverse frame (1) and a second transverse frame (2); the quantity of first crossbearer (1) and second crossbearer (2) is two, and two first crossbearers (1) are parallel to each other, and two second crossbearers (2) are parallel to each other, and first crossbearer (1) and second crossbearer (2) connect gradually perpendicularly end to end and constitute a square body.
3. The bearing bush overhead hoist suitable for the large-scale motor according to claim 2, characterized in that: the square sliding frame comprises an upper transverse plate (4), a lower transverse plate (5), a vertical plate (6) and a T-shaped clamping block (7); the upper transverse plate (4) and the lower transverse plate (5) are parallel to each other, and two ends of the upper transverse plate (4) and two ends of the lower transverse plate (5) are connected through a vertical plate (6); the upper end face of the upper transverse plate (4) is provided with a T-shaped clamping block (7), the lower end face of the first transverse frame (1) is provided with a clamping groove, and the T-shaped clamping block (7) on the upper transverse plate (4) is clamped in the clamping groove of the first transverse frame (1).
4. A bearing bush lifting device suitable for a large motor according to claim 3, wherein: the lifting mechanism comprises a first motor (8), a first lead screw (9), a first lead screw nut, a pulley, a sliding seat (10) and a winch (11); the sliding seat (10) is of a cavity structure and is sleeved on the lower transverse plate (5), the pulley is arranged on the inner wall of the sliding seat (10), and the pulley is pressed on the upper end face of the lower transverse plate (5); the shell of the winch (11) is arranged on the top end surface of the outer wall of the sliding seat (10); a penetrating strip-shaped hole is formed in the lower transverse plate (5) along the direction of the central line of the lower transverse plate, a steel wire rope of the winch (11) penetrates through the strip-shaped hole in the lower transverse plate (5), and a hook is arranged at the end part of the steel wire rope; the shell of the first motor (8) is arranged on the upper end surface of the lower transverse plate (5); one end of the first lead screw (9) is connected with an output shaft of the first motor (8), and the other end of the first lead screw (9) is in shaft connection with the inner side surface of the vertical plate (6); the first lead screw nut is arranged on the inner wall of the sliding seat (10), and the first lead screw (9) penetrates through the first lead screw nut; and signal control ends of the first motor (8) and the winch (11) are connected with a signal output end of the PLC.
5. A bearing bush overhead hoist suitable for a large motor according to claim 4, characterized in that: the transverse moving mechanism comprises a second motor (12), a bearing seat, a second lead screw (13), a second lead screw nut and a U-shaped bracket (14); the shell of the second motor (12) is arranged on the upper end face of one second transverse frame (2), and the bearing seat is arranged on the upper end face of the other second transverse frame (2); one end of the second lead screw (13) is connected with an output shaft of the second motor (12), and the other end of the second lead screw (13) is connected with the bearing seat; the U-shaped bracket (14) is arranged on the upper end surface of the upper transverse plate (4), and the opening of the U-shaped bracket (14) faces downwards; the top end face of the U-shaped support (14) is connected with a second lead screw nut, and a second lead screw (13) penetrates through the second lead screw nut; and the signal control end of the second motor (12) is connected with the signal output end of the PLC.
6. A bearing bush overhead hoist suitable for a large motor according to claim 5, characterized in that: the counterweight mechanism comprises a third motor (15), a third lead screw (16), a third lead screw nut, a sliding plate (17), a counterweight block (18) and a clamping seat; the third motor (15) is arranged on the upper end face of the upper transverse plate (4), one end of a third lead screw (16) is connected with an output shaft of the third motor (15), and the other end of the third lead screw (16) penetrates through an inner cavity of the U-shaped support (14) and is in shaft connection with the inner wall of the first transverse frame (1); the sliding plate (17) is arranged between the upper transverse plate (4) and the lower transverse plate (5), and the sliding plate (17) is clamped on two sides of the upper transverse plate (4) through clamping seats; two sides of the lower end surface of the sliding plate (17) are respectively provided with a balancing weight (18); a penetrating strip-shaped hole is formed in the upper transverse plate (4) along the direction of the central line of the upper transverse plate, and a third screw nut penetrates through the strip-shaped hole in the upper transverse plate (4) to be connected with the central position of the upper end face of the sliding plate (17); the third lead screw (16) penetrates through a third lead screw nut; the size of the third lead screw nut is smaller than that of an inner cavity of the U-shaped bracket (14); and the signal control end of the third motor (15) is connected with the signal output end of the PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122202023.9U CN215946543U (en) | 2021-09-13 | 2021-09-13 | Bearing bush overhead hoist suitable for large-scale motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122202023.9U CN215946543U (en) | 2021-09-13 | 2021-09-13 | Bearing bush overhead hoist suitable for large-scale motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215946543U true CN215946543U (en) | 2022-03-04 |
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ID=80429207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122202023.9U Active CN215946543U (en) | 2021-09-13 | 2021-09-13 | Bearing bush overhead hoist suitable for large-scale motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215946543U (en) |
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2021
- 2021-09-13 CN CN202122202023.9U patent/CN215946543U/en active Active
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