A control handle and control method thereof

Abstract

The present invention relates to a control handle, comprising a handle shell, on which an ascending button, a descending button, a start button, and a stop button are arranged; the ascending button and the descending button have a stepless speed regulation function, and the ascending button and the descending button both comprise a key accommodating cavity arranged in the control handle, the bottom of the key accommodating cavity is connected to a Hall element accommodating cavity, a key looper is movably embedded in the key accommodating cavity, at least one elastic member is arranged between the bottom of the key looper and a looper support platform, a key is accommodated in the key looper, a first permanent magnet is arranged in the key, a Hall element is arranged in the Hall element accommodating cavity, and the distance between the first permanent magnet and the Hall element is adjusted by changing the force of pressing the key, thereby adjusting the output of the Hall element. The present invention provides a control handle capable of realizing the stepless speed regulation function.

Description

Technical Field

[0001] The present invention relates to the field of control equipment, and in particular to a control handle and a control method thereof. Background Art

[0002] Control equipment is a special lifting equipment installed on overhead cranes and gantry cranes. The controlled equipment has the characteristics of small size, light weight, simple operation and convenient use. It is widely used in warehousing and transportation, chemical industry, shipbuilding, mold processing, metal surface treatment and other industries. As a light and small lifting equipment, the controlled equipment is divided into wire rope controlled equipment and chain controlled equipment. Among them, the chain controlled equipment has the characteristics of beautiful body appearance, small size, small lifting and sliding amount, precise lifting and lowering control, high protection level, low noise, safety and reliability.

[0003] At present, with the continuous development of society, the use of control equipment in various industries in my country is becoming more and more extensive. Because it is a special equipment, how to achieve safe and efficient control of the controlled equipment has become an issue that people pay more and more attention to. However, the remote control handles on the market currently have certain defects in actual use. The existing control handles can only move at a uniform speed when used, and cannot control the speed of descent or ascent in stages; even if the speed can be adjusted, it can only change the overall gear speed of descent or ascent. It cannot achieve graded speed regulation in the descent or ascent stage. At the same time, it cannot detect and alarm the safe distance between the hook of the controlled equipment and the ground, and between the controlled equipment and the tower arm.

[0004] Therefore, it is necessary to develop a control handle that can control the controlled device to achieve stepless speed regulation in stages during the descent or ascent process. Summary of the invention

[0005] The present invention overcomes the shortcomings of the prior art and provides a control handle and a control method thereof, which can control the controlled device to achieve stepless speed regulation in stages during the process of descending or ascending.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a control handle, including a handle shell, on which an up button, a down button, a start button and a stop button are arranged; the up button and the down button have a stepless speed regulation function, and the up button and the down button both include a key accommodating cavity arranged in the control handle, a Hall element receiving cavity is connected to the bottom of the key accommodating cavity, a key loop is movably embedded in the key accommodating cavity, at least one elastic member is arranged between the bottom of the key loop and the loop support platform, a key is accommodated in the key loop, a first permanent magnet is arranged in the key, and a Hall element is arranged in the Hall element receiving cavity, and the distance between the first permanent magnet and the Hall element is adjusted by changing the force of pressing the key, thereby adjusting the output of the Hall element.

[0007] In a preferred embodiment of the present invention, a contact button is further provided on the Hall element. The contact button is used to assist in detecting the pressing position of the rising button or the falling button. The rising button or the falling button is pressed down until the contact button is touched. The contact button is closed after receiving the pressure. The rising button or the falling button is pressed in place, that is, the output of the Hall element is maximum.

[0008] In a preferred embodiment of the present invention, a second slot with an upward opening is disposed on the outside of the key loop, a first slot with a downward opening is disposed in the key receiving cavity, and the second slot and the first slot are movably engaged with each other, so that the key loop can move up and down in the longitudinal direction, and the key loop cooperates with the elastic member to confine the key loop in the key receiving cavity.

[0009] In a preferred embodiment of the present invention, a key support platform is provided inside the key accommodating cavity, the key is fixedly embedded in the key support platform, one end of the key is abutted against the upper surface of the key support platform, and the other end of the key is provided with a first permanent magnet and passes through the key support platform to extend into the Hall element receiving cavity.

[0010] In a preferred embodiment of the present invention, the elastic member is a spring column.

[0011] In a preferred embodiment of the present invention, the key is a button or a handle. The handle or button can be used to adjust the force applied to the button, thereby achieving stepless speed regulation of the controlled device rising and falling. In a preferred embodiment, a handle is used, and a speedometer can be provided on the movable surface of the handle, which is convenient for speed control by comparing the scale, so that speed regulation is more visually intuitive through the handle operation, simplifying the operation.

[0012] In a preferred embodiment of the present invention, the control handle is connected to the controlled device through electrical connection or remote control.

[0013] In a preferred embodiment of the present invention, by pressing the start button of the control handle, the drive motor of the controlled device is energized and in a standby state, and then by pressing the descending button, the drive motor starts to rotate forward to realize the operation below the material, and by changing the force of pressing the descending button, the distance between the first permanent magnet and the Hall element is changed, and the received magnetic magnitude is converted into an electrical signal output by the Hall element to control the controlled device, so that the controlled device can achieve variable speed ascent; or by pressing the ascending button, the drive motor starts to reverse to realize the material lifting operation, and by changing the force of pressing the ascending button, the distance between the first permanent magnet and the Hall element is changed, and the received magnetic magnitude is converted into an electrical signal output by the Hall element to control the controlled device, so that the controlled device can achieve variable speed descent.

[0014] In a preferred embodiment of the present invention, the control method of the control handle is as follows: by pressing the start button of the control handle, the drive motor of the controlled device is energized and in a standby state, and then by pressing the down button, the drive motor starts to rotate forward and drives the crane forward to realize the operation below the material, by changing the force of pressing the down button, the distance between the first permanent magnet and the Hall element is changed, and the received magnetic magnitude is converted into an electrical signal by the Hall element, thereby controlling the speed regulator, the speed regulator controls the distance between the second permanent magnet and the conductor, and the crane realizes variable speed forward rotation; or by pressing the up button, the drive motor starts to reverse and drives the crane reverse to realize the material lifting operation, by changing the force of pressing the up button, the distance between the first permanent magnet and the Hall element is changed, and the received magnetic magnitude is converted into an electrical signal by the Hall element, thereby controlling the speed regulator, the speed regulator controls the distance between the second permanent magnet and the conductor, and the crane realizes variable speed reversal.

[0015] Furthermore, the distance detection device provided on the controlled device detects the safe distance between the hook of the controlled device and the ground or top device, transmits the data to the control handle, and issues an alarm through the buzzer alarm provided in the control handle.

[0016] The present invention solves the defects existing in the background technology, and the beneficial effects of the present invention are as follows:

[0017] 1. A control handle and control method of the present invention can control the controlled device to achieve safe distance measurement and stepless speed regulation in stages during the process of descending or ascending. The output control of the Hall element is adjusted by the force of pressing the button, and the speed regulator is further controlled. The speed regulator controls the distance between the second permanent magnet and the conductor, and the crane can achieve stepless speed change forward and reverse rotation.

[0018] 2. In the present invention, at least one elastic member is arranged between the bottom of the key loop and the loop support platform for supporting the key loop. The elastic member is used to elastically support the key loop, so that the key loop can return to its original position after being pressed, and the size of the pressing force can be easily controlled. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 is a schematic diagram of the structure of a control handle with buttons in an embodiment of a preferred embodiment of the present invention;

[0021] Figure 2 is a cross-sectional view of a rising button of a control handle in a preferred embodiment of the present invention;

[0022] Figure 3 is a cross-sectional view of a control handle provided with a rising button of a contact button in a preferred embodiment of the present invention;

[0023] Figure 4 is a schematic diagram of the structure of a control handle with a handle in an embodiment of a preferred embodiment of the present invention;

[0024] Figure 5 It is a schematic diagram of the installation structure of the controlled equipment;

[0025] Figure 6 It is an enlarged structural diagram of the controlled device;

[0026] In the figure: 1A-gantry crane, 1B-controlled equipment, 1-driving motor, 2-speed regulating mechanism, 21-conductor, 22-second permanent magnet, 23-speed regulating machine, 4-brake, 41-transmission shaft, 42-coupling, 5-crane starter, 51-hook, 6-control handle, 61-up button, 610-button loop, 611A-button support platform, 611B-loop support platform, 612-button, 613-first card slot, 614-second card slot, 615-elastic member, 616-first permanent magnet, 617-Hall element, 618-button accommodating chamber, 619-Hall element accommodating chamber, 62-down button, 63-start button, 64-stop button, 65-speedometer, 66-up handle, 67-down handle, 68-contact button. DETAILED DESCRIPTION

[0027] The present invention will now be further described in detail with reference to the accompanying drawings and embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0028] The specific structure is as follows Figures 1 to 4 As shown, a control handle of the present invention comprises: a handle shell, on which an ascending button 61, a descending button 62, a start button 63, and a stop button 64 are arranged; the ascending button 61 and the descending button 62 have a stepless speed regulation function, the ascending button 61 or / and the descending button 62 comprises a key accommodating chamber 618 arranged in the control handle 6, the bottom of the key accommodating chamber 618 is conductively connected with a Hall element storage chamber 619, a key looper 610 is movably embedded in the key accommodating chamber 618, at least one elastic member 615 is arranged between the bottom of the key looper 610 and a looper support platform 611B provided with support for the key looper 610, a key 612 is fixedly penetrated in the key looper 610, a first permanent magnet 616 is arranged in the key 612, and the distance between the first permanent magnet 616 and the Hall element 617 is used to adjust the output signal of the Hall element 617, and the Hall element 617 controls the speed regulation mechanism 2 of the controlled device 1B. Further, the ascending button 61 and the descending button 62 are magnetic switches.

[0029] Specifically, a second card slot 614 opening upward is provided on the outside of the key sleeve 610, and a first card slot 613 opening downward is provided in the key receiving chamber 618, and the second card slot 614 and the first card slot 613 are movably engaged with each other. The key sleeve 610 can move up and down in the longitudinal direction, and the key sleeve 610 is at least partially confined in the key receiving chamber 618 in cooperation with the elastic member 615. Further, a key support platform 611A is provided inside the key receiving chamber 618, and a key 612 is fixedly engaged in the key support platform 611A, one end of the key 612 is against the upper surface of the key support platform 611A, and the other end of the key 612 is provided with a first permanent magnet 616 and passes through the key support platform 611A to extend into the Hall element receiving chamber 619.

[0030] In a preferred embodiment of the present invention, Figure 3 As shown, a contact button 68 is also provided on the Hall element 617. The contact button 68 is used to assist in detecting the pressing position of the rising button 61 or the falling button 62. The rising button 61 or the falling button 62 is pressed down until the contact button 68 is touched. The contact button 68 is closed after receiving the pressure. The rising button 61 or the falling button 62 is pressed in place, that is, the output of the Hall element 617 is maximum.

[0031] In a preferred embodiment of the present invention, the elastic member 615 is a spring column.

[0032] In a preferred embodiment of the present invention, the key 612 is a button or a handle. The handle or button can be used to adjust the force applied to the button, thereby realizing stepless speed regulation of the controlled device 1B rising and falling. Further, in a preferred embodiment, a speedometer 65 is provided on the movable surface of the rising handle 66 and the descending handle 67 near the side of the rising handle 66 and the descending handle 67, so as to facilitate speed control by comparing the scale. The speed adjustment is more intuitive visually through the handle operation, which simplifies the operation.

[0033] In a preferred embodiment of the present invention, the control handle 6 is connected to the controlled device 1B through electrical connection or remote control.

[0034] In one embodiment, if Figure 5 , Figure 6As shown, the controlled device 1B is installed on the overhead crane or gantry crane 1A, and the controlled device 1B includes a driving motor 1, the driving motor 1 is connected to a speed regulating mechanism 2, the speed regulating mechanism 2 is connected to a brake 4, the brake 4 is connected to a hoisting machine 5, and the hoisting machine 5 controls the hook 51 to move up and down. The speed regulating mechanism 2 adopts a permanent magnetic speed regulating mechanism, and the permanent magnetic speed regulating mechanism includes a conductor 21 and a second permanent magnet 22 arranged outside the speed regulating mechanism. The transmission shaft of the driving motor 1 is connected to the rotating shaft of the hoisting machine 5 through a coupling 42, and the controlled device 1B is controlled by a control handle 6. Further, a distance detection device can also be provided on the controlled device 1B, and the distance detection device is electrically or wirelessly connected to the control handle 6, and a buzzer alarm for detecting a safe distance is provided in the control handle 6.

[0035] The control principle of the control handle 6 in a preferred embodiment of the present invention is as follows: by pressing the start button 63 of the control handle 6, the drive motor 1 of the controlled device 1B is powered on and in a standby state, and then by pressing the descending button 62, the drive motor 1 starts to rotate forward to drive the crane 5 to rotate forward, so as to realize the operation under the material, and by changing the force of pressing the descending button 62, the distance between the first permanent magnet 616 and the Hall element 617 is changed, and the Hall element 617 converts the received magnetic magnitude into an electrical signal, thereby controlling the speed regulator 23, and adjusting The speed controller 23 controls the distance between the second permanent magnet 22 and the conductor 21, and the crane 5 realizes speed change and forward rotation; or by pressing the rising button 61, the driving motor 1 starts to reverse and drives the crane 5 to reverse, realizing the material lifting operation, and by changing the strength of pressing the rising button 61, the distance between the first permanent magnet 616 and the Hall element 617 is changed, and the received magnetic magnitude is converted into an electrical signal by the Hall element 617, thereby controlling the speed controller 23, and the speed controller 23 controls the distance between the second permanent magnet 22 and the conductor 21, and the crane 5 realizes speed change and reverse rotation. Furthermore, the safe distance between the hook 51 of the controlled device 1B and the ground or top equipment is detected by the distance detection device set on the controlled device 1B, and the data is transmitted to the control handle 6, and an alarm is sounded by the buzzer alarm set in the control handle 6.

[0036] The above is based on the ideal embodiment of the present invention. Through the above description, relevant personnel can make various changes and modifications without departing from the technical concept of the present invention. The technical scope of this invention is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. A control handle, comprising a handle shell, wherein the handle shell is provided with an up button, a down button, a start button, and a stop button; characterized in that; The rising button and the falling button have a stepless speed regulation function. The rising button and the falling button both include a key accommodating cavity arranged in the control handle. The bottom of the key accommodating cavity is connected to a Hall element accommodating cavity. A key loop is movably embedded in the key accommodating cavity. At least one elastic member is arranged between the bottom of the key loop and the loop support platform. A key is accommodated in the key loop. A first permanent magnet is arranged in the key. A Hall element is arranged in the Hall element accommodating cavity. The distance between the first permanent magnet and the Hall element is adjusted by changing the force of pressing the key, thereby adjusting the output of the Hall element. The Hall element is also provided with a contact button; The button sleeve is provided with a second card slot opening upward on the outside, and the button accommodating cavity is provided with a first card slot opening downward, and the second card slot is movably engaged with the first card slot; A key support platform is provided inside the key accommodating cavity, and the key is fixedly embedded in the key support platform. One end of the key abuts against the upper surface of the key support platform, and the other end of the key is provided with a first permanent magnet and passes through the key support platform to extend into the Hall element storage cavity.

2. The control handle according to claim 1, characterized in that: The key is a button or a handle.

3. The control handle according to claim 2, characterized in that: The control handle is connected to the controlled device through electrical connection or remote control.

4. The control handle according to claim 3, characterized in that: The controlled device is also provided with a distance detection device, which is electrically or wirelessly connected to the control handle, and a buzzer alarm is provided in the control handle.

5. The control method of the control handle according to any one of claims 1 to 4, characterized in that: By pressing the start button of the control handle, the drive motor of the controlled device is powered and in a standby state, and then by pressing the down button, the drive motor starts to rotate forward to realize the operation under the material, and by changing the force of pressing the down button, the distance between the first permanent magnet and the Hall element is changed, and the Hall element converts the received magnetic magnitude into an electrical signal output to control the controlled device, so that the controlled device can achieve variable speed rise; or by pressing the up button, the drive motor starts to reverse to realize the material lifting operation, and by changing the force of pressing the up button, the distance between the first permanent magnet and the Hall element is changed, and the Hall element converts the received magnetic magnitude into an electrical signal output to control the controlled device, so that the controlled device can achieve variable speed descent.

6. The control method of the control handle according to claim 5, characterized in that: The distance detection device arranged on the controlled device detects the safe distance between the hook of the controlled device and the ground or the top device, transmits the data to the control handle, and issues a sound alarm through the buzzer alarm arranged in the control handle.

Images