CN213623040U - Self-balancing hoist lifting device - Google Patents
Self-balancing hoist lifting device Download PDFInfo
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- CN213623040U CN213623040U CN202022651759.XU CN202022651759U CN213623040U CN 213623040 U CN213623040 U CN 213623040U CN 202022651759 U CN202022651759 U CN 202022651759U CN 213623040 U CN213623040 U CN 213623040U
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Abstract
The utility model discloses a self-balancing hoist hoisting device belongs to hoist technical field, including fixed pulley assembly, hoisting rope and movable pulley assembly, its characterized in that: the diameter-changing winding drum comprises a large cylindrical part, a circular table part and a small cylindrical part, the large circular table end of the circular table part is connected with the large cylindrical part, the small circular table end of the circular table part is connected with the small cylindrical part, a lifting rope is fixed at the middle part of the diameter-changing winding drum through the rope pressing plate, and the lifting rope is wound on a movable pulley assembly and a fixed pulley assembly. The utility model discloses when hoist to lower limit, load torque on the reducing reel is balanced, and hoist falling speed is zero, and the heavy object can not continue to descend under the effect of dead weight load, can show the braking impact that reduces the stopper, realizes the accurate location of hoist lower limit to improve whole hoisting device safety in utilization and lower limit reliability.
Description
Technical Field
The utility model relates to hoist technical field especially relates to a self-balancing hoist hoisting device.
Background
The traditional hoisting mode is adopted, when multiplying power is fixed, the hoisting speed mainly depends on the diameter of the winding drum and the rotating speed of the winding drum, the required driving torque mainly depends on the tension of the steel wire rope and the diameter of the winding drum, the torque formed by the tension of the steel wire rope entering the winding drum is in a superposition state, and the torque generated by potential energy load always exists in the hoisting process and is not zero. When the weight reaches the lower limit, the brake of the lifting transmission mechanism is still required to work to hold the weight. And the descending speed needs to be artificially reduced, and when the lower limit of the master control fails or the brake fails, the heavy object has the safety problem of impact or exceeding the lower limit.
Chinese patent publication No. CN 202379642U, published as 2012, 08, and 15, discloses a ladle hoisting mechanism for vacuum treatment of molten steel, which is characterized in that: the ladle hoisting mechanism consists of a platform, a hoisting mechanism, a winding steel wire rope and a ladle lifting appliance, wherein the hoisting mechanism is arranged on the platform, and the winding steel wire rope is connected with the ladle lifting appliance through a winding drum, a fixed pulley block and a movable pulley block.
The ladle hoisting mechanism for vacuum treatment of molten steel disclosed in the patent document has the advantages of simple structure, convenience in maintenance and low cost because the traditional crane hoisting mechanism is adopted to replace a hydraulic jacking device. However, when the lifting appliance reaches the lower limit, the weight still continues to descend under the action of the dead load, braking impact is generated, accurate positioning of the lower limit of the lifting appliance cannot be realized, and the safety and the lower limit reliability of the lifting mechanism cannot be effectively guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art's defect, provide a self-balancing hoist hoisting device, the utility model discloses when the hoist to the lower limit, load torque on the reducing reel is balanced, and hoist falling speed is zero, and the heavy object can not continue to descend under the effect of dead weight load, can show the braking impact that reduces the stopper, realizes the accurate location of hoist lower limit to improve whole hoisting device safety in utilization and lower limit reliability.
The utility model discloses a following technical scheme realizes:
the utility model provides a self-balancing hoist hoisting device, includes fixed pulley assembly, lifting rope and moves pulley assembly, its characterized in that: still include bearing frame, reducing reel, rope clamp plate, reduction gear, shaft coupling, stopper and motor, the reducing reel includes big cylinder portion, round platform portion and small cylinder portion in proper order, and the big cylinder end and the big cylinder portion of round platform portion are connected, and the small circle end and the small circle post portion of round platform portion are connected, the output shaft of motor passes through the input shaft of shaft coupling and reduction gear and is linked together, and the output shaft of reduction gear is connected with the reel one end of reducing reel, the bearing frame is connected with the other end of reel, shaft coupling department installs the stopper, the hoisting rope passes through the rope clamp plate to be fixed at the middle part of reducing reel, and the hoisting rope winds on moving pulley assembly and fixed pulley assembly.
The fixed pulley assembly is located above the movable pulley assembly, the reducing winding drum is located above the fixed pulley assembly, and the axes of the fixed pulley assembly, the movable pulley assembly and the reducing winding drum are parallel to each other.
The big column part is provided with a first rope groove, the small column part is provided with a second rope groove, and the size of the cross section of the first rope groove is the same as that of the cross section of the second rope groove.
One end of the lifting rope is wound in from the first rope groove of the large cylindrical part, and the other end of the lifting rope is wound out from the second rope groove of the small cylindrical part.
The rotation directions of the rope grooves of the first rope groove and the second rope groove are the same.
The large cylindrical part, the circular table part and the small cylindrical part are integrally formed.
The working principle of the utility model is as follows:
by adopting the reducing winding drum formed by the large cylindrical part, the circular table part and the small cylindrical part, different driving moments and different lifting speeds can be realized by setting the diameter difference of the winding drums at the two ends of the reducing winding drum and the multiplying power of the pulleys. When hoisting device's hoist reaches the lower limit soon, the lifting rope on the reducing reel is located the reducing section, the lifting rope of reducing reel both sides is around advancing and is around going out the speed difference and reduce gradually, hoist speed reduces gradually, when reducing side lifting rope arrives the terminal same section with opposite side reel diameter in reducing section, reel left side diameter is the same with the right side diameter, the lifting rope of reducing reel both sides is around advancing and is around going out the speed the same, hoist descent speed is zero this moment, load torque on the reducing reel is balanced. At this time, even if the lifting device is not stopped, the heavy object does not continue to descend under the action of the dead load.
The beneficial effects of the utility model are mainly expressed in the following aspect:
1. the utility model discloses, the reducing reel includes big cylinder portion in proper order, round platform portion and small cylinder portion, the big cylinder end and the big cylinder portion of round platform portion are connected, the small cylinder end and the small cylinder portion of round platform portion are connected, the output shaft of motor passes through the shaft coupling and is linked together with the input shaft of reduction gear, the output shaft of reduction gear is connected with the reel axle one end of reducing reel, the bearing frame is connected with the other end of reel axle, the stopper is installed to shaft coupling department, the hoisting rope passes through the rope clamp plate to be fixed at the middle part of reducing reel, the hoisting rope winds on movable pulley assembly and fixed pulley assembly, compared with the prior art, when the hoist reaches the lower limit, load torque on the reducing reel is balanced, hoist falling speed is zero, the heavy object can not continue to descend under the effect of dead weight load, can show the braking impact that reduces the stopper, realize hoist lower limit accurate location, thereby improving the use safety and the lower limit reliability of the whole lifting device.
2. The utility model discloses, fixed pulley assembly is located movable pulley assembly top, and the reducing reel is located fixed pulley assembly top, and fixed pulley assembly, movable pulley assembly and reducing reel's axis are parallel to each other, do benefit to and lift by crane the stationarity and smooth and easy nature when improving and lift by crane article.
3. The utility model discloses, it has first grooving to open on the big cylinder portion, and it has the second grooving to open on the small circle cylinder portion, and the cross section size of first grooving and second grooving is the same, does benefit to the winding stability that improves lifting rope on whole reducing reel.
4. The utility model discloses, the one end of lifting rope winds into from the first grooving of big cylinder portion, and the other end of lifting rope winds out from the second grooving of little cylinder portion, and realization low-speed promotion that can be better further ensures to lift by crane the security.
5. The utility model discloses, the grooving of first grooving and second grooving revolves to the same, can be more smooth and easy lift by crane article.
6. The utility model discloses, big cylinder portion, round platform portion and small circle cylinder portion form for integrated into one piece, can strengthen the structural strength of whole reducing reel, ensure to use the reliability.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments, wherein:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of a hoisting rope wrap of the present invention;
the labels in the figure are: 1. fixed pulley assembly, 2, hoisting rope, 3, movable pulley assembly, 4, bearing frame, 5, reducing reel, 6, rope clamp plate, 7, reduction gear, 8, shaft coupling, 9, stopper, 10, motor, 11, big cylinder portion, 12, round platform portion, 13, small cylinder portion, 14, first grooving, 15, second grooving.
Detailed Description
Example 1
Referring to fig. 1 and 2, a self-balancing hoisting device comprises a fixed pulley assembly 1, a hoisting rope 2, a movable pulley assembly 3, a bearing seat 4, a reducing drum 5, a rope pressing plate 6, a speed reducer 7, a coupling 8, a brake 9 and a motor 10, wherein the reducing drum 5 sequentially comprises a large cylindrical part 11, a circular part 12 and a small cylindrical part 13, the large cylindrical end of the circular part 12 is connected with the large cylindrical part 11, the small cylindrical end of the circular part 12 is connected with the small cylindrical part 13, the output shaft of the motor 10 is connected with the input shaft of the speed reducer 7 through the coupling 8, the output shaft of the speed reducer 7 is connected with one end of a drum shaft of the reducing drum 5, the bearing seat 4 is connected with the other end of the drum shaft, the brake 9 is installed at the coupling 8, the hoisting rope 2 is fixed in the middle of the reducing drum 5 through the rope pressing plate 6, the hoisting ropes 2 are wound around the movable pulley assembly 3 and the fixed pulley assembly 1.
The embodiment is the most basic implementation mode, the reducing drum 5 sequentially comprises a large cylindrical part 11, a circular table part 12 and a small cylindrical part 13, the large circular table end of the circular table part 12 is connected with the large cylindrical part 11, the small circular table end of the circular table part 12 is connected with the small cylindrical part 13, the output shaft of the motor 10 is connected with the input shaft of the reducer 7 through the coupling 8, the output shaft of the reducer 7 is connected with one end of the drum shaft of the reducing drum 5, the bearing seat 4 is connected with the other end of the drum shaft, the brake 9 is installed at the coupling 8, the lifting rope 2 is fixed in the middle of the reducing drum 5 through the rope pressure plate 6, the lifting rope 2 is wound on the movable pulley assembly 3 and the fixed pulley assembly 1, compared with the prior art, when the hanger reaches the lower limit, the load torque on the reducing drum 5 is balanced, the lowering speed of the hanger is zero, the heavy object cannot continue to descend under, the braking impact of the brake 9 can be obviously reduced, and the lower limit accurate positioning of the lifting appliance is realized, so that the use safety and the lower limit reliability of the whole lifting device are improved.
Example 2
Referring to fig. 1 and 2, a self-balancing hoisting device comprises a fixed pulley assembly 1, a hoisting rope 2, a movable pulley assembly 3, a bearing seat 4, a reducing drum 5, a rope pressing plate 6, a speed reducer 7, a coupling 8, a brake 9 and a motor 10, wherein the reducing drum 5 sequentially comprises a large cylindrical part 11, a circular part 12 and a small cylindrical part 13, the large cylindrical end of the circular part 12 is connected with the large cylindrical part 11, the small cylindrical end of the circular part 12 is connected with the small cylindrical part 13, the output shaft of the motor 10 is connected with the input shaft of the speed reducer 7 through the coupling 8, the output shaft of the speed reducer 7 is connected with one end of a drum shaft of the reducing drum 5, the bearing seat 4 is connected with the other end of the drum shaft, the brake 9 is installed at the coupling 8, the hoisting rope 2 is fixed in the middle of the reducing drum 5 through the rope pressing plate 6, the hoisting ropes 2 are wound around the movable pulley assembly 3 and the fixed pulley assembly 1.
The fixed pulley assembly 1 is located above the movable pulley assembly 3, the reducing winding drum 5 is located above the fixed pulley assembly 1, and the axes of the fixed pulley assembly 1, the movable pulley assembly 3 and the reducing winding drum 5 are parallel to each other.
The embodiment is a preferred embodiment, the fixed pulley assembly 1 is located above the movable pulley assembly 3, the reducing winding drum 5 is located above the fixed pulley assembly 1, and the axes of the fixed pulley assembly 1, the movable pulley assembly 3 and the reducing winding drum 5 are parallel to each other, so that the stability and smoothness of hoisting when hoisting objects are improved are facilitated.
Example 3
Referring to fig. 1 and 2, a self-balancing hoisting device comprises a fixed pulley assembly 1, a hoisting rope 2, a movable pulley assembly 3, a bearing seat 4, a reducing drum 5, a rope pressing plate 6, a speed reducer 7, a coupling 8, a brake 9 and a motor 10, wherein the reducing drum 5 sequentially comprises a large cylindrical part 11, a circular part 12 and a small cylindrical part 13, the large cylindrical end of the circular part 12 is connected with the large cylindrical part 11, the small cylindrical end of the circular part 12 is connected with the small cylindrical part 13, the output shaft of the motor 10 is connected with the input shaft of the speed reducer 7 through the coupling 8, the output shaft of the speed reducer 7 is connected with one end of a drum shaft of the reducing drum 5, the bearing seat 4 is connected with the other end of the drum shaft, the brake 9 is installed at the coupling 8, the hoisting rope 2 is fixed in the middle of the reducing drum 5 through the rope pressing plate 6, the hoisting ropes 2 are wound around the movable pulley assembly 3 and the fixed pulley assembly 1.
The fixed pulley assembly 1 is located above the movable pulley assembly 3, the reducing winding drum 5 is located above the fixed pulley assembly 1, and the axes of the fixed pulley assembly 1, the movable pulley assembly 3 and the reducing winding drum 5 are parallel to each other.
The big cylindrical part 11 is provided with a first rope groove 14, the small cylindrical part 13 is provided with a second rope groove 15, and the cross sections of the first rope groove 14 and the second rope groove 15 are the same in size.
In this embodiment, a first rope groove 14 is formed on the large cylindrical portion 11, a second rope groove 15 is formed on the small cylindrical portion 13, and the cross-sectional dimensions of the first rope groove 14 and the second rope groove 15 are the same, which is beneficial to improving the winding stability of the hoisting rope 2 on the whole reducing drum 5.
Example 4
Referring to fig. 1 and 2, a self-balancing hoisting device comprises a fixed pulley assembly 1, a hoisting rope 2, a movable pulley assembly 3, a bearing seat 4, a reducing drum 5, a rope pressing plate 6, a speed reducer 7, a coupling 8, a brake 9 and a motor 10, wherein the reducing drum 5 sequentially comprises a large cylindrical part 11, a circular part 12 and a small cylindrical part 13, the large cylindrical end of the circular part 12 is connected with the large cylindrical part 11, the small cylindrical end of the circular part 12 is connected with the small cylindrical part 13, the output shaft of the motor 10 is connected with the input shaft of the speed reducer 7 through the coupling 8, the output shaft of the speed reducer 7 is connected with one end of a drum shaft of the reducing drum 5, the bearing seat 4 is connected with the other end of the drum shaft, the brake 9 is installed at the coupling 8, the hoisting rope 2 is fixed in the middle of the reducing drum 5 through the rope pressing plate 6, the hoisting ropes 2 are wound around the movable pulley assembly 3 and the fixed pulley assembly 1.
The fixed pulley assembly 1 is located above the movable pulley assembly 3, the reducing winding drum 5 is located above the fixed pulley assembly 1, and the axes of the fixed pulley assembly 1, the movable pulley assembly 3 and the reducing winding drum 5 are parallel to each other.
The big cylindrical part 11 is provided with a first rope groove 14, the small cylindrical part 13 is provided with a second rope groove 15, and the cross sections of the first rope groove 14 and the second rope groove 15 are the same in size.
One end of the hoisting rope 2 is reeved from the first rope groove 14 of the large cylindrical part 11 and the other end of the hoisting rope 2 is reeved from the second rope groove 15 of the small cylindrical part 13.
In this embodiment, one end of the hoisting rope 2 is reeved from the first rope groove 14 of the large cylindrical portion 11, and the other end of the hoisting rope 2 is reeved from the second rope groove 15 of the small cylindrical portion 13, so that the low-speed hoisting can be realized more effectively, and the hoisting safety can be further ensured.
Example 5
Referring to fig. 1 and 2, a self-balancing hoisting device comprises a fixed pulley assembly 1, a hoisting rope 2, a movable pulley assembly 3, a bearing seat 4, a reducing drum 5, a rope pressing plate 6, a speed reducer 7, a coupling 8, a brake 9 and a motor 10, wherein the reducing drum 5 sequentially comprises a large cylindrical part 11, a circular part 12 and a small cylindrical part 13, the large cylindrical end of the circular part 12 is connected with the large cylindrical part 11, the small cylindrical end of the circular part 12 is connected with the small cylindrical part 13, the output shaft of the motor 10 is connected with the input shaft of the speed reducer 7 through the coupling 8, the output shaft of the speed reducer 7 is connected with one end of a drum shaft of the reducing drum 5, the bearing seat 4 is connected with the other end of the drum shaft, the brake 9 is installed at the coupling 8, the hoisting rope 2 is fixed in the middle of the reducing drum 5 through the rope pressing plate 6, the hoisting ropes 2 are wound around the movable pulley assembly 3 and the fixed pulley assembly 1.
The fixed pulley assembly 1 is located above the movable pulley assembly 3, the reducing winding drum 5 is located above the fixed pulley assembly 1, and the axes of the fixed pulley assembly 1, the movable pulley assembly 3 and the reducing winding drum 5 are parallel to each other.
The big cylindrical part 11 is provided with a first rope groove 14, the small cylindrical part 13 is provided with a second rope groove 15, and the cross sections of the first rope groove 14 and the second rope groove 15 are the same in size.
One end of the hoisting rope 2 is reeved from the first rope groove 14 of the large cylindrical part 11 and the other end of the hoisting rope 2 is reeved from the second rope groove 15 of the small cylindrical part 13.
The rope grooves of the first rope groove 14 and the second rope groove 15 are in the same rotating direction.
The large cylindrical part 11, the circular table part 12 and the small cylindrical part 13 are integrally formed.
In the preferred embodiment, the first rope groove 14 and the second rope groove 15 have the same rope groove turning direction, and thus the objects can be lifted more smoothly.
The large cylindrical part 11, the circular table part 12 and the small cylindrical part 13 are integrally formed, so that the structural strength of the whole reducing winding drum 5 can be enhanced, and the use reliability is guaranteed.
Claims (6)
1. The utility model provides a self-balancing hoist hoisting device, includes fixed pulley assembly (1), lifting rope (2) and moves pulley assembly (3), its characterized in that: still include bearing frame (4), reducing reel (5), rope clamp plate (6), reduction gear (7), shaft coupling (8), stopper (9) and motor (10), reducing reel (5) includes big cylinder portion (11), round platform portion (12) and small circle column portion (13) in proper order, and the big cylinder end and the big cylinder portion (11) of round platform portion (12) are connected, and the small circle platform end and the small circle column portion (13) of round platform portion (12) are connected, the output shaft of motor (10) passes through shaft coupling (8) and links together with the input shaft of reduction gear (7), and the output shaft of reduction gear (7) is connected with reducing reel (5)'s reel axle one end, bearing frame (4) are connected with the other end of reel axle, stopper (9) are installed in shaft coupling (8) department, hoisting rope (2) are fixed at the middle part of reducing reel (5) through rope clamp plate (6), the lifting rope (2) is wound on the movable pulley component (3) and the fixed pulley component (1).
2. The self-balancing hoisting device of claim 1, wherein: the fixed pulley assembly (1) is located above the movable pulley assembly (3), the reducing winding drum (5) is located above the fixed pulley assembly (1), and the axes of the fixed pulley assembly (1), the movable pulley assembly (3) and the reducing winding drum (5) are parallel to each other.
3. The self-balancing hoisting device of claim 2, wherein: the large column part (11) is provided with a first rope groove (14), the small column part (13) is provided with a second rope groove (15), and the first rope groove (14) and the second rope groove (15) are identical in cross section size.
4. The self-balancing hoisting device of claim 3, wherein: one end of the lifting rope (2) is wound in from a first rope groove (14) of the large cylindrical part (11), and the other end of the lifting rope (2) is wound out from a second rope groove (15) of the small cylindrical part (13).
5. The self-balancing hoisting device of claim 4, wherein: the rope grooves of the first rope groove (14) and the second rope groove (15) have the same rotating direction.
6. The self-balancing hoisting device of claim 5, wherein: the large cylindrical part (11), the circular table part (12) and the small cylindrical part (13) are formed by integral forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022651759.XU CN213623040U (en) | 2020-11-17 | 2020-11-17 | Self-balancing hoist lifting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022651759.XU CN213623040U (en) | 2020-11-17 | 2020-11-17 | Self-balancing hoist lifting device |
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| CN213623040U true CN213623040U (en) | 2021-07-06 |
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| CN202022651759.XU Active CN213623040U (en) | 2020-11-17 | 2020-11-17 | Self-balancing hoist lifting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346930A (en) * | 2021-12-23 | 2022-04-15 | 浙江坤博精工科技股份有限公司 | High-stability clamp for cylindrical workpiece |
-
2020
- 2020-11-17 CN CN202022651759.XU patent/CN213623040U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346930A (en) * | 2021-12-23 | 2022-04-15 | 浙江坤博精工科技股份有限公司 | High-stability clamp for cylindrical workpiece |
| CN114346930B (en) * | 2021-12-23 | 2024-04-30 | 浙江坤博精工科技股份有限公司 | High stability anchor clamps for cylindricality work piece |
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