CN215048130U - Control system of multifunctional rotary lifting hook - Google Patents

Abstract

The utility model provides a multi-functional rotatory lifting hook control system, include: the control unit is connected with the crane control system and used for controlling the start and stop of the motor; the input unit is connected with the control unit and used for inputting the rotation angle data of the lifting hook to the control unit; the first wireless communication module is connected with the control unit; the encoder is in transmission connection with the lifting hook and is used for converting the angular displacement of the lifting hook into an angle electric signal; the second wireless communication module is connected with the encoder and is in wireless communication with the first wireless communication module; the utility model provides a multi-functional rotatory lifting hook control system can long-range implementation acquire the angle information of lifting hook through install encoder and wireless communication module additional on the lifting hook, combines the accurate control of the control unit and the input unit can realize the lifting hook angle, is showing and has promoted control accuracy and control efficiency.

Description

Control system of multifunctional rotary lifting hook

Technical Field

The utility model belongs to the technical field of the hoist, concretely relates to multi-functional rotatory lifting hook control system.

Background

The common crane hook rotating device at present has various forms.

In the prior art, chinese utility model patent with application number CN201220378789.0, the form of two kinds of hook rotation states is recorded in its background art, and a simple structure, simple to operate, low in manufacturing cost, high, the reliable performance's of connection precision rotatory hook assembly is disclosed again simultaneously, and this rotatory hook assembly includes: the pulley block is connected with the lifting hook and is connected with the lifting mechanism through a steel wire rope, the rod part of the lifting hook is connected with the lifting hook cross beam through a bearing by using a lifting hook nut, a supporting device is arranged in the middle of the lifting hook cross beam and fixes the star wheel speed reducer and the lifting hook cross beam together, and the pulley block is connected with the lifting hook cross beam through a pulley shaft and a side plate; but in this prior art, the lifting hook all adopts trinity motor to accomplish the angular adjustment of lifting hook as the rotation of power supply drive lifting hook, and trinity motor is difficult to realize accurate angle control, can only adjust through the actual angle of visual observation lifting hook in the accommodation process of lifting hook, causes the inefficiency of regulation and adjusts the precision not high.

Therefore, the existing crane hook needs to be modified, and a control system of the multifunctional rotary hook for improving the angle adjustment efficiency and precision of the hook is designed.

Disclosure of Invention

To the not enough that exists among the prior art, the utility model provides a promote the control system of multi-functional rotatory lifting hook of lifting hook angle modulation efficiency and precision.

The technical scheme of the utility model is that: multi-functional rotatory lifting hook control system includes:

the control unit is connected with the crane control system and used for controlling the start and stop of the motor;

the input unit is connected with the control unit and used for inputting the rotation angle data of the lifting hook to the control unit;

the first wireless communication module is connected with the control unit;

the encoder is in transmission connection with the lifting hook and is used for converting the angular displacement of the lifting hook into an angle electric signal;

and the second wireless communication module is connected with the encoder and is in wireless communication with the first wireless communication module.

The control unit is a DSP control panel or a singlechip control panel.

The input unit is a keyboard.

The first wireless communication module and the second wireless communication module are both ZigBee wireless modules.

Multi-functional rotatory lifting hook control system still includes:

the limiting mechanism is provided with a trigger frame which is eccentrically and fixedly arranged at the upper end of the lifting hook, and a first limiting switch and a second limiting switch which are matched with the trigger frame are arranged on an outer side fixing frame of the trigger frame.

The utility model has the advantages that:

the utility model provides a multi-functional rotatory lifting hook control system can long-range implementation acquire the angle information of lifting hook through install encoder and wireless communication module additional on the lifting hook, combines the accurate control of the control unit and the input unit can realize the lifting hook angle, is showing and has promoted control accuracy and control efficiency.

Drawings

Fig. 1 is a schematic block diagram of a multifunctional rotary hook control system of the present invention.

Fig. 2 is one of the structural schematic diagrams of the multifunctional rotary hook of the present invention.

Fig. 3 is a second schematic structural view of the multifunctional rotary hook of the present invention.

Fig. 4 is a third schematic structural view of the multifunctional rotary hook of the present invention.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the invention, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.

The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

As shown in fig. 1, a multi-function rotary hook control system, comprising: the control unit is connected with the crane control system and used for controlling the starting and stopping of the motor, wherein the crane control system is provided with a frequency converter, the frequency converter is used for controlling the motor to rotate forwards and backwards or stop, and the control unit outputs a switching value signal to the frequency converter to control the motor to rotate or stop; the input unit is connected with the control unit and used for inputting the rotation angle data of the lifting hook to the control unit, and the control unit periodically scans the input unit to acquire the input angle data of the input unit; the first wireless communication module is connected with the control unit; the encoder is in transmission connection with the lifting hook and is used for converting the angular displacement of the lifting hook into an angle electric signal; the second wireless communication module is connected with the encoder and is in wireless communication with the first wireless communication module; in this embodiment, a user inputs angle data to the control unit through the input unit, the control unit converts the angle data into pulse data corresponding to the encoder, then sends a motor start signal to the crane control system, the motor starts to drive the hook to rotate, the hook rotates to generate an angular displacement, the encoder converts the angular displacement of the hook into a pulse signal, the pulse signal is forwarded to the control unit through a wireless communication mode between the second wireless communication module and the first wireless communication module, the control unit records an actually received pulse number, when the actually received pulse number is the same as the pulse number converted by the angle data input by the user, the control unit sends a motor stop signal to the crane control system, and the motor and the hook stop rotating.

As a specific implementation manner of the above embodiment, as shown in fig. 2 to 4, a driven gear 7 is sleeved on the middle portion of the lifting hook 1, a speed reducer 5 is fixedly arranged beside the lifting hook 1, a motor 4 is assembled on the speed reducer 5, and a driving gear engaged with the driven gear 7 is assembled on the output end of the speed reducer 5; the encoder 8 erects on the lifting hook main part of lifting hook upper end, and the rotation axis of encoder 8 is connected with the upper end coaxial drive of lifting hook 1, and lifting hook 1 pivoted in-process drives encoder 8's rotation axis synchronous rotation, produces the angular displacement and converts pulse signal when this encoder 8 can be with the rotation of lifting hook 1.

As a specific implementation manner of the control unit, the control unit is a DSP control board or a single chip microcomputer control board, and more specifically, the DSP control board may be a cSPACE rapid prototyping development board based on the TMS320F2812 board, or may be implemented by a 51 single chip microcomputer development board.

As a specific implementation of the keyboard unit, the input unit is a keyboard; the keyboard can be an entity keyboard or a virtual keyboard on a human-computer interface, the control unit scans and inputs numerical values corresponding to keys when the keys are adopted, and the control unit can obtain the angle value of the rotation of the lifting hook required by a user.

As a specific implementation manner of the first wireless communication module and the second wireless communication module, both the first wireless communication module and the second wireless communication module are ZigBee wireless modules, and more specifically, the ZigBee wireless module adopts a CC2530ZigBee module, and the CC2530 is a real system on chip (SoC) solution for 2.4-GHz IEEE 802.15.4, ZigBee, and RF4CE applications, which can establish a powerful network node with very low total material cost.

In order to carry on spacingly to 1 pivoted angle of lifting hook, avoid lifting hook 1 to rotate the super scope, multi-functional rotatory lifting hook control system still includes:

the limiting mechanism is provided with a trigger frame 11 which is eccentrically and fixedly arranged at the upper end of the lifting hook 1, and a first limiting switch 9 and a second limiting switch 10 which are matched with the trigger frame 11 are arranged on a fixed frame at the outer side of the trigger frame 11; the trigger frame 11 is of an L-shaped frame body structure, the trigger frame 11 is eccentrically fixed at the upper end part of the lifting hook 1, the trigger frame 11 rotates along with the lifting hook 1, and the first limit switch 9 and the second limit switch 10 are arranged outside the lifting hook 1 and do not rotate along with the lifting hook 1; the in-process that lifting hook 1 pivoted can trigger frame 11 and can trigger first limit switch 9, second limit switch 10, and when first limit switch 9 or second limit switch 10 were triggered, motor 4 stopped promptly and changed motor 4 pivoted direction next time, avoided lifting hook 1 to rotate beyond the scope, caused the cable winding scheduling problem.

Thus far, various embodiments of the present invention have been described in detail. Some details which are well known in the art have not been described in order to avoid obscuring the concepts of the present invention. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (5)

1. A multi-functional rotary hook control system, comprising:

the control unit is connected with the crane control system and used for controlling the start and stop of the motor;

the input unit is connected with the control unit and used for inputting the rotation angle data of the lifting hook to the control unit;

the first wireless communication module is connected with the control unit;

the encoder is in transmission connection with the lifting hook and is used for converting the angular displacement of the lifting hook into an angle electric signal;

and the second wireless communication module is connected with the encoder and is in wireless communication with the first wireless communication module.

2. The multi-functional rotary hook control system of claim 1, wherein: the control unit is a DSP control panel or a singlechip control panel.

3. The multi-functional rotary hook control system of claim 1, wherein: the input unit is a keyboard.

4. The multi-functional rotary hook control system of claim 1, wherein: the first wireless communication module and the second wireless communication module are both ZigBee wireless modules.

5. The multi-functional rotary hook control system as claimed in claim 1, further comprising:

the limiting mechanism is provided with a trigger frame which is eccentrically and fixedly arranged at the upper end of the lifting hook, and a first limiting switch and a second limiting switch which are matched with the trigger frame are arranged on an outer side fixing frame of the trigger frame.

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