Hoisting torsion balancing device and using method thereof

Abstract

The invention provides a hoisting torsion balancing device, and particularly relates to the technical field of household appliances, the hoisting torsion balancing device comprises a rotor unit, a support assembly and a variable pitch unit, the rotor unit comprises a gyroscope, and the variable pitch unit comprises a main body disc and a spherical hinge mechanism. The spherical hinge mechanism penetrates through the main body disc and is fixedly connected with the main body disc, the hinged end of the spherical hinge mechanism faces the bottom and is fixedly connected with the driving end of the driving mechanism, the other end of the driving mechanism is fixed to the upper support, stress is generated through the rotor unit, and the driving mechanism drives the rotor unit to incline. The stress direction is changed, the position of the hoisting device is balanced by changing the stress direction, the structure is simpler, and meanwhile the speed is higher during adjustment.

Description

Technical Field

[0001] The present invention relates to the technical field of hoisting equipment, and in particular to a hoisting torsion balancing device and a use method thereof. Background Art

[0002] With the development of modern trade, large cargoes such as containers are being hoisted more and more frequently at ports. If large cargoes are affected by other factors such as wind during the hoisting process, they are prone to disturbance and twisting. If the twisting amplitude is too large, it is likely to cause damage to the hoisting equipment, posing certain safety hazards. Therefore, in the process of hoisting large cargoes, it is very important to adjust the position of the cargoes.

[0003] Application No. CN201120379555.3 discloses a self-balancing lifting system and method for a test model, wherein the self-balancing lifting system determines the servo motor to be started and the speed of the servo motor according to the spatial state of the lifting platform, and drives the trapezoidal retractable lead screw to accurately move through multi-stage deceleration to automatically adjust the spatial state of the lifting platform and make it tend to a balanced state, which not only improves the automation of the system, but also improves the accuracy of the system; wherein the self-balancing lifting method accurately determines the spatial state of the lifting platform according to the distance between each corner of the lifting platform and the ground, and outputs a reset signal of the lifting platform according to the spatial state of the lifting platform, or outputs a reset signal of the lifting platform according to the spatial state of the lifting platform. A signal indicating that the hoisting platform is in a balanced state is output, or an iterative step is executed, and a multi-stage deceleration combined with a continuously adjustable characteristic is adopted to continuously start the servo motor and drive the corresponding trapezoidal retractable lead screw to precisely move, so as to realize multiple automatic adjustments to the spatial state of the hoisting platform, and the hoisting platform gradually approaches a balanced state. The hoisting device maintains a balanced state of the hoisting system and adjusts the posture of the hoisting device by retracting and extending the lead screw, but the invention has the following disadvantages. The invention maintains balance by adjusting the distance between the upper rope and the lower rope by the lead screw. First, the rope is prone to breakage. Second, the structure is relatively complex, and four lead screws need to be adjusted separately, and the speed is slow during adjustment. Summary of the invention

[0004] In order to solve the problems of complex structure and slow response speed of the lifting device, the present invention provides a lifting torsion balancing device and a use method thereof.

[0005] The present invention is achieved through the following technical solutions:

[0006] The present invention provides a hoisting torsion balancing device comprising a rotor unit, a bracket assembly and a pitch changing unit, wherein:

[0007] The bracket assembly includes an upper bracket and a lower bracket, the upper bracket is located at the bottom of the lower bracket, and the upper bracket and the lower bracket are movably connected through two connecting rods, one connecting rod connects the upper bracket and the lower bracket on the same side, and the other connecting rod connects the upper bracket and the lower bracket on the other same side;

[0008] The rotor unit includes a gyroscope, and both ends of the gyroscope are rotatably connected to the inner side of the lower bracket;

[0009] The variable pitch unit includes a main body disk and a ball joint mechanism, the ball joint mechanism passes through the main body disk and is fixedly connected to the main body disk, the hinge end of the ball joint mechanism faces the bottom and is fixedly connected to the driving end of the driving mechanism, the other end of the driving mechanism is fixed to the upper bracket, and a first connecting rod and a second connecting rod are respectively provided on both sides of the main body disk, one end of the first connecting rod is rotatably connected to the main body disk, and the other end is movably connected to the upper bracket, one end of the second connecting rod is rotatably connected to the main body disk, and the other end is telescopically connected to the upper bracket.

[0010] Furthermore, the gyroscope includes a rotor and a rotating shaft, the rotating shaft passes through the rotor and is connected to the rotor, one end of the rotating shaft is rotatably connected to the lower bracket, and the other end of the rotating shaft is provided with a first motor, the first motor is fixed on the inner side of the lower bracket, and the output end of the first motor is fixedly connected to the other end of the rotating shaft.

[0011] Furthermore, the driving mechanism adopts a ball screw mechanism.

[0012] Furthermore, the pitch-changing unit also includes a fixing mechanism, a connecting shaft is connected to the top of the ball joint mechanism, and a fixing mechanism is fixed to the top of the connecting shaft.

[0013] Furthermore, a semicircular groove is provided on the top of the upper bracket, the first connecting rod is inclined toward the second connecting rod, the first connecting rod is movably connected to the upper bracket through the semicircular groove, and the first connecting rod performs curved motion in the semicircular groove.

[0014] Furthermore, it also includes a compression device, which is fixed to the top of the upper bracket, and the second connecting rod is telescopically connected to the upper bracket through the compression device.

[0015] Furthermore, the connecting rod is movably connected to the upper bracket and the lower bracket through a hinge or pin connection, and the upper bracket rotates and drives the lower bracket to rotate in the same direction through the connecting rod.

[0016] A method for using a hoisting torsion balancing device comprises the following steps:

[0017] The fixing mechanism of the lifting torsion balancing device is fixed on the external lifting device, and the fixing mechanism is fixed. The gyroscope always rotates on the lower bracket to generate stress. Since the first connecting rod is inclined relative to the second connecting rod, when the ball screw fixed at the hinge end of the ball joint mechanism drives the upper bracket to move downward relative to the main plate, the upper bracket will tilt toward the first connecting rod side, and drive the second bracket to tilt toward the first connecting rod side through the connecting rod; when the ball screw at the bottom of the ball joint mechanism drives the upper bracket to move upward relative to the main plate, the upper bracket will tilt toward the second connecting rod side, and drive the second bracket to tilt toward the second connecting rod side through the connecting rod, so as to control the stress direction of the gyroscope and the lifting device to adjust the posture of the lifting device.

[0018] Beneficial effects of the present invention:

[0019] (1) The hoisting torsion balancing device proposed in the present invention generates a balancing force through a gyroscope. The gyroscope is connected to the upper bracket through a lower bracket and a connecting rod. The driving mechanism drives the upper bracket to move downward. Through different connection methods of the first connecting rod and the second connecting rod, when the upper bracket moves downward relative to the main plate, the upper bracket will tilt to one side, and vice versa. The hoisting posture of the hoisting device is adjusted and the hoisting balance is maintained by changing the stress direction of the gyroscope, thereby avoiding the situation where the hoisting device is twisted due to external interference. The torsion of the gyroscope can be completed by two motors, the first motor and the second motor of the driving mechanism. The direction of the gyroscope stress is changed by rotating the first motor and the second motor in the forward and reverse directions, so as to achieve high real-time response and a simpler overall structure.

[0020] (2) The lifting torsion balancing device proposed in the present invention is composed of an upper bracket part, a lower bracket part and a connecting rod to form a parallelogram structure. When the upper bracket tilts to one side, the lower bracket will also tilt to the same side. The stress direction of the gyroscope can be adjusted by the upper bracket and the lower bracket. At the same time, it can also play a role in buffering the stress of the gyroscope, thereby preventing the gyroscope stress from suddenly increasing or decreasing and causing structural fracture.

[0021] (3) Compared with the prior art, the lifting torsion balancing device proposed in the present invention occupies less space and has a simpler design. It does not require a large number of mechanical parts and a complex control system. It also has a lower manufacturing cost and is easier to maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is the overall structure diagram of the hoisting torsion balancing device of the present invention;

[0023] Figure 2 It is a structural diagram of a variable pitch unit of a hoisting torsion balancing device of the present invention;

[0024] Figure 3 It is a structural diagram of the rotor unit of the hoisting torsion balancing device of the present invention;

[0025] Figure 4 It is a structural diagram of the bracket assembly of the hoisting torsion balancing device of the present invention;

[0026] In the figure: support assembly 1, upper support 11, lower support 12, connecting rod 13, rotor unit 2, gyroscope 21, rotor 211, rotating shaft 212, pitch unit 3, main plate 31, ball joint mechanism 32, first connecting rod 33, second connecting rod 34, driving mechanism 35, compression device 4, fixing mechanism 5, connecting shaft 6;

[0027] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments. DETAILED DESCRIPTION

[0028] In order to more clearly and completely illustrate the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0029] Please refer to Figure 1-Figure 4 The present invention proposes a hoisting torsion balancing device including a rotor 211 unit 2, a bracket assembly 1 and a pitch changing unit 3, wherein:

[0030] The bracket assembly 1 includes an upper bracket 11 and a lower bracket 12. The upper bracket 11 is located at the bottom of the lower bracket 12. The upper bracket 11 and the lower bracket 12 are movably connected through two connecting rods. One connecting rod connects the upper bracket 11 and the lower bracket 12 on the same side, and the other connecting rod connects the upper bracket 11 and the lower bracket 12 on the other same side.

[0031] The rotor 211 unit 2 includes a gyroscope 21, and both ends of the gyroscope 21 are rotatably connected to the inner side of the lower bracket 12;

[0032] The variable pitch unit 3 includes a main body disk 31 and a ball joint mechanism 32. The ball joint mechanism 32 passes through the main body disk 31 and is fixedly connected to the main body disk 31. The hinge end of the ball joint mechanism 32 faces the bottom and is fixedly connected to the driving end of the driving mechanism 35. The other end of the driving mechanism 35 is fixed to the upper bracket 11. A first connecting rod 3313 and a second connecting rod 3413 are respectively provided on both sides of the main body disk 31. One end of the first connecting rod 3313 is rotatably connected to the main body disk 31, and the other end is movably connected to the upper bracket 11. One end of the second connecting rod 3413 is rotatably connected to the main body disk 31, and the other end is telescopically connected to the upper bracket 11.

[0033] In this embodiment:

[0034] The rotor 211 unit 2 is used to provide stress for maintaining the balance of the lifting device;

[0035] The bracket assembly 1 is used to connect the rotor 211 unit 2 and the pitch unit 3;

[0036] The pitch changing unit 3 is used to drive the upper bracket 11 to tilt;

[0037] Specifically, the upper bracket 11, the lower bracket 12 and the two connecting rods form a movable parallelogram. When the upper bracket 11 is tilted, the connecting rod will drive the lower bracket 12 to tilt in the same direction. The ball joint mechanism 32 includes a support and a ball joint. The support is located at the top and the ball joint is located at the bottom. The ball joint can rotate in a semicircle relative to the support. The ball joint is connected to the driving mechanism 35. The driving mechanism 35 includes a second motor ball screw. The driving mechanism 35 can be extended and shortened to adjust the distance between the upper bracket 11 and the ball joint. The main plate 31 is connected to a first connecting rod 3313 and a second connecting rod 3314. The second connecting rod 3413, the first connecting rod 3313 and the second connecting rod 3413 can rotate relative to the main body plate 31, the second connecting rod 3413 and the bottom of the first connecting rod 3313 are connected to the lower bracket 12, the connection position between the first connecting rod 3313 and the upper part is closer to the center relative to the second connecting rod 3413, and is inclined to the center side relative to the first connecting rod 3313. Therefore, when the driving mechanism 35 is extended, the lower bracket 12 moves downward relative to the main body plate 31, and the second connecting rod 3413 tends to rotate far outside, that is, rotates to the left, thereby driving the upper bracket 11 to move. The upper bracket 11 is tilted to the left by the cooperation between the driving mechanism 35 and the main plate 31, the first connecting rod 3313 and the second connecting rod 3413. Since the upper bracket 11 and the lower bracket 12 form a parallelogram structure through two connecting rods, the lower bracket 12 will tilt in the same direction as the upper bracket 11. The gyroscope 21 can rotate to provide a stress, and the pitch-changing unit 3 changes the direction of the stress. When the lifting device has stress imbalance and causes tilt, the pitch-changing unit 3 controls the gyroscope 21 to apply a balancing stress to it to maintain the balance of the lifting device. Secondly, when the tilt angle of the lifting device needs to be adjusted, it can also be achieved by changing the direction of the gyroscope 21. Through the lifting torsion balancing device proposed by the present invention, only the first motor and the second motor need to operate to maintain the balance of the lifting device. The structure is simpler, the cost is lower, it is easier to maintain, and the response speed is faster.

[0038] Furthermore, the gyroscope 21 includes a rotor 211 and a rotating shaft, the rotating shaft passes through the rotor 211 and is connected to the rotor 211, one end of the rotating shaft is rotatably connected to the lower bracket 12, and the other end of the rotating shaft is provided with a first motor, the first motor is fixed on the inner side of the lower bracket 12, and the output end of the first motor is fixedly connected to the other end of the rotating shaft.

[0039] In this embodiment:

[0040] The first motor is used to drive the rotating shaft to rotate;

[0041] The rotating shaft provides a movable connection structure for the rotor 211 and the upper bracket 11;

[0042] The rotor 211 may be rotated to generate stress;

[0043] Specifically, the motor drives the rotating shaft and the rotor 211 to rotate to generate a stress. When the lifting device is tilted, the stress is used to maintain the balance of the lifting device. When the lifting device needs to change the lifting posture, the stress can also be used to adjust the direction and inclination. At the same time, the first motor can also change the direction of the stress by rotating in the opposite direction.

[0044] Furthermore, the driving mechanism 35 adopts a ball screw mechanism.

[0045] In this embodiment:

[0046] The driving mechanism 35 is used to drive the upper bracket 11 to tilt.

[0047] Specifically, the driving mechanism 35 includes a second motor, a ball screw and a nut seat. The nut seat is connected to the upper bracket 11. The second motor rotates and drives the ball screw to rotate, and finally the nut seat moves up and down, thereby driving the upper bracket 11 to move relative to the main plate 31.

[0048] Furthermore, the pitch changing unit 3 also includes a fixing mechanism 5 , a connecting shaft 6 is connected to the top of the ball joint mechanism 32 , and a fixing mechanism 5 is fixed to the top of the connecting shaft 6 .

[0049] In this embodiment:

[0050] The fixing mechanism 5 is used to provide a fixing structure for the gyroscope 21 torsion device and the external lifting device.

[0051] Specifically, the fixing mechanism 5 can be connected to an external lifting device, so as to fix the variable pitch unit 3, the rotor 211 unit 2 and the bracket assembly 1 on the lifting device.

[0052] Furthermore, a semicircular groove is provided on the top of the upper bracket 11, the first connecting rod 3313 is inclined toward the second connecting rod 3413, the first connecting rod 3313 is movably connected to the upper bracket 11 through the semicircular groove, and the first connecting rod 3313 performs a curved motion in the semicircular groove.

[0053] In this embodiment:

[0054] The semicircular groove can provide a connecting motion structure for the first connecting rod 3313;

[0055] Specifically, the first connecting rod 3313 is movably connected with the semicircular groove between the upper part. When the upper bracket 11 is not tilted, the first connecting rod 3313 is in a tilted state. When the driving mechanism 35 drives the upper bracket 11 to move downward, the first connecting rod 3313 will tend to a vertical state, thereby driving the upper bracket 11 to tilt to the left. Similarly, when the driving mechanism 35 drives the upper bracket 11 to move upward, the first connecting rod 3313 will tend to a tilted state, thereby driving the upper bracket 11 to tilt to the right.

[0056] Furthermore, it also includes a compression device 4, which is fixed to the top of the upper bracket 11, and the second connecting rod 3413 is telescopically connected to the upper bracket 11 through the compression device 4.

[0057] In this embodiment:

[0058] The compression device 4 is used to provide a buffer structure for the second connecting rod 3413;

[0059] Specifically, the compression device 4 includes a short rod with a spring inside. The short rod is telescopically connected to the second connecting rod 3413. The second connecting rod 3413 fits with the spring. When the upper bracket 11 is tilted, the second connecting rod 3413 will be subjected to a certain pulling force or pushing force. The spring can buffer the pulling force and pushing force to ensure the safety of the device and prevent internal parts from breaking.

[0060] Furthermore, the connecting rod is movably connected to the upper bracket 11 and the lower bracket 12 through a hinge or a pin connection, and the upper bracket 11 rotates and drives the lower bracket 12 to rotate in the same direction through the connecting rod.

[0061] In this embodiment:

[0062] The upper bracket 11, the lower bracket 12 and the connecting rod are connected by hinges or pins to form a parallelogram structure;

[0063] Specifically, the connecting rod can be relative to the upper bracket 11 or the lower bracket 12. The upper bracket 11, the lower bracket 12 and the connecting rod form a parallelogram structure. When the upper bracket 11 is tilted, the lower bracket 12 will also tilt in the same direction. The tilt of the gyroscope 21 is controlled by the parallelogram structure, and the stress direction of the gyroscope 21 can be well adjusted. On the other hand, the parallelogram structure can buffer the stress of the gyroscope 21 to prevent it from being broken due to excessive stress.

[0064] Furthermore, the method for using the lifting torsion balancing device includes the following steps: the lifting torsion balancing device fixing mechanism 5 is fixed on the external lifting device, the fixing mechanism 5 is fixed, the gyroscope 21 always rotates on the lower bracket 12 to generate stress, and since the first connecting rod 3313 is inclined relative to the second connecting rod 3413, when the ball screw fixed at the hinge end of the ball joint mechanism 32 drives the upper bracket 11 to move downward relative to the main plate 31, the upper bracket 11 will tilt toward the first connecting rod 3313 side, and drive the second bracket to tilt toward the first connecting rod 3313 side through the connecting rod 13; when the ball screw at the bottom of the ball joint mechanism 32 drives the upper bracket 11 to move upward relative to the main plate 31, the upper bracket 11 will tilt toward the second connecting rod 3413 side, and drive the second bracket to tilt toward the second connecting rod 3413 side through the connecting rod 13, and control the stress direction of the gyroscope 21 and the lifting device to adjust the posture of the lifting device.

[0065] Specifically: the gyroscope 21 can rotate in forward and reverse directions to change the stress direction, and the ball screw can rotate in forward and reverse directions to change the tilt direction of the upper bracket 11 and thus change the stress direction. The direction of stress can be changed by changing the rotation direction and the tilt direction of the gyroscope 21, and the stress can be adjusted to adjust the posture of the lifting device.

[0066] Of course, the present invention may have many other implementations. Based on this implementation, other implementations obtained by ordinary technicians in this field without any creative work are all within the scope of protection of the present invention.

Claims

1. A hoisting torsion balancing device, characterized in that: The hoisting torsion balancing device comprises a rotor unit, a bracket assembly and a pitch changing unit, wherein: The bracket assembly includes an upper bracket and a lower bracket, the upper bracket is located at the bottom of the lower bracket, and the upper bracket and the lower bracket are movably connected through two connecting rods, one connecting rod connects the upper bracket and the lower bracket on the same side, and the other connecting rod connects the upper bracket and the lower bracket on the other same side; The rotor unit includes a gyroscope, and both ends of the gyroscope are rotatably connected to the inner side of the lower bracket; The variable pitch unit includes a main body disk and a ball joint mechanism, the ball joint mechanism passes through the main body disk and is fixedly connected to the main body disk, the hinge end of the ball joint mechanism faces the bottom and is fixedly connected to the driving end of the driving mechanism, the other end of the driving mechanism is fixed to the upper bracket, and a first connecting rod and a second connecting rod are respectively provided on both sides of the main body disk, one end of the first connecting rod is rotatably connected to the main body disk, and the other end is movably connected to the upper bracket, one end of the second connecting rod is rotatably connected to the main body disk, and the other end is telescopically connected to the upper bracket.

2. The hoisting torsion balancing device according to claim 1, characterized in that: The gyroscope includes a rotor and a rotating shaft, wherein the rotating shaft passes through the rotor and is connected to the rotor, one end of the rotating shaft is rotatably connected to the lower bracket, and the other end of the rotating shaft is provided with a first motor, which is fixed to the inner side of the lower bracket, and the output end of the first motor is fixedly connected to the other end of the rotating shaft.

3. The hoisting torsion balancing device according to claim 1, characterized in that: The driving mechanism adopts a ball screw mechanism.

4. The hoisting torsion balancing device according to claim 1, characterized in that: The pitch changing unit further comprises a fixing mechanism, a connecting shaft is connected to the top of the ball joint mechanism, and a fixing mechanism is fixed to the top of the connecting shaft.

5. The hoisting torsion balancing device according to claim 1, characterized in that: A semicircular groove is provided on the top of the upper bracket, the first connecting rod is inclined toward the second connecting rod, the first connecting rod is movably connected to the upper bracket through the semicircular groove, and the first connecting rod performs a curved motion in the semicircular groove.

6. The hoisting torsion balancing device according to claim 5, characterized in that: It also includes a compression device, which is fixed to the top of the upper bracket, and the second connecting rod is telescopically connected to the upper bracket through the compression device.

7. The hoisting torsion balancing device according to claim 1, characterized in that: The connecting rod is movably connected to the upper bracket and the lower bracket through a hinge or a pin connection. The upper bracket rotates and drives the lower bracket to rotate in the same direction through the connecting rod.

8. A method for using the hoisting torsion balancing device according to claims 1-7, characterized in that: The following steps are involved: The fixing mechanism of the lifting torsion balancing device is fixed on the external lifting device, and the fixing mechanism is fixed. The gyroscope always rotates on the lower bracket to generate stress. Since the first connecting rod is inclined relative to the second connecting rod, when the ball screw fixed at the hinge end of the ball joint mechanism drives the upper bracket to move downward relative to the main plate, the upper bracket will tilt toward the first connecting rod side, and drive the second bracket to tilt toward the first connecting rod side through the connecting rod; when the ball screw at the bottom of the ball joint mechanism drives the upper bracket to move upward relative to the main plate, the upper bracket will tilt toward the second connecting rod side, and drive the second bracket to tilt toward the second connecting rod side through the connecting rod, so as to control the stress direction of the gyroscope and the lifting device to adjust the posture of the lifting device.

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