WO2021248631A1

WO2021248631A1 - Control handle used on intelligent auxiliary lifting apparatus

Info

Publication number: WO2021248631A1
Application number: PCT/CN2020/102703
Authority: WO
Inventors: 何本益; 颜怀荣; 王智军
Original assignee: 温岭市明华齿轮有限公司
Priority date: 2020-06-10
Filing date: 2020-07-17
Publication date: 2021-12-16
Also published as: CN111559696A

Abstract

A control handle used on an intelligent auxiliary lifting apparatus, relating to the technical field of intelligent auxiliary lifting apparatuses. The present invention solves the technical problems that existing control handles are complex in structure and cannot intelligently control the mechanisms connected to the control handles, and the like. The control handle comprises a handle rod (1); the lower end of the handle rod is connected to a lifting hook (3) by means of a first rotary joint assembly (2); the upper end of the handle rod is provided with a second rotary joint assembly (4) that is used for connecting a steel cable; a sliding handle (5) is slidably sleeved on the handle rod and can move backwards and forwards in the axial direction of the handle rod; a control box (6) is provided between the sliding handle and the second rotary joint assembly on the handle rod; a control panel (7) and a tension sensor are provided in the control box; an infrared sensor is further provided below the control box; a displacement sensor is provided on the sliding handle; and the infrared sensor, the tension sensor, and the displacement sensor all are electrically connected to the control panel. The intelligent control handle is simple in structure and convenient to operate, and can achieve intelligent control of the auxiliary lifting apparatus.

Description

Control handle used on intelligent auxiliary lifting device

Technical field

The invention belongs to the technical field of intelligent auxiliary lifting devices, and relates to a control handle used on an intelligent auxiliary lifting device.

Background technique

Auxiliary lifting devices such as smart hoists are widely used in automotive assembly lines, precise assembly of industrial equipment, precision machine tool loading and unloading in machining workshops, and material handling. The smart hoist can realize precise alignment assembly, fast and accurate movement and handling, intelligent induction of operator actions, overload protection, power failure protection, anti-rebound technology and so on. At present, the smart hoist is mainly composed of servo motors, precision planetary speed reducers, servo motor drivers, main control modules, control handles, drums and racks, steel wire ropes, hooks and other components.

Chinese Patent (Announcement Number: CN206169569U, Announcement Date: 2016-07-29) discloses a servo intelligent assist arm in suspension unloading mode, including a mechanical assist arm, an arm controller on the top of the mechanical assist arm, and a mechanical assist arm The lower part is provided with a clamp body for connecting the installation of heavy objects, and a force-sensitive sensor is arranged at the lower part of the mechanical booster arm, and the force-sensitive sensor is connected with the arm controller circuit.

Although the servo intelligent booster arm in the patent document can realize the intelligent control of the booster arm to a certain extent, its function is relatively single, and no specific mechanical structure is disclosed.

The Chinese patent (Announcement Number: CN210318463U, Announcement Date: 2020-04-14) also discloses a wide-range detection grader gear control handle device. The control handle device includes a frame assembly, a handle assembly and a gear control Part, the frame assembly includes a bottom plate, a top plate, a left side plate, a right side plate and a rear fixed plate, which are fixedly connected to each other to form the support of the entire gear control device. The gear control part includes a card plate, a center plate, and an oil seal. Bearings, pulleys, belts and non-contact Hall angle sensors. The handle assembly rotates and rotates to a certain angle. The belt transmits the rotation angle signal to the angle sensor for gear identification, and then converts it into an electrical signal and outputs it to the control circuit board. By controlling the circuit board and the program in the circuit board, the gear data is displayed on the panel.

The wide-range detection grader gear control handle device in the above-mentioned patent documents has a complicated structure and is inconvenient to assemble and disassemble. It can only be manually controlled by the control handle, and through a complicated procedure, the detection mechanism connected to it can be driven to work, which is time-consuming, labor-intensive and intelligent. The chemical and safety are poor, and it is inconvenient to use in actual use.

Summary of the invention

In view of the above-mentioned problems existing in the prior art, the present invention provides a control handle used on an intelligent auxiliary lifting device. The technical problem to be solved by the present invention is: how to simplify the structure of the control handle and realize the intelligentization of the auxiliary lifting device control.

The purpose of the present invention can be achieved through the following technical solutions:

A control handle used on an intelligent auxiliary lifting device includes a handle rod. The lower end of the handle rod is connected with a hook through a rotary joint assembly one, and the upper end of the handle rod is provided with a rotary joint assembly two for connecting a steel wire rope. The utility model is characterized in that the sliding sleeve on the handle rod is provided with a sliding handle and the sliding handle can reciprocate along the axial direction of the handle rod, and the handle rod is located between the sliding handle and the second rotary joint assembly A control box is provided, a control panel is provided in the control box, an infrared sensor is provided under the control box; a displacement sensor is provided on the sliding handle, and the control box is also provided with a lever connected to the handle The tensile force sensor, the infrared sensor, the tensile force sensor and the displacement sensor are all electrically connected to the control panel.

The working principle is as follows: When the device is working, the second rotary joint assembly is connected to the steel wire rope, and the steel wire rope is wound on the drum or winch of the intelligent auxiliary hoisting device. When the servo motor drives the drum or winch to rotate, the intelligent auxiliary hoisting device is realized by retracting and unwinding the steel wire rope. Lifting and lowering of the upper cargo; the rotary joint assembly is connected to the hook, and the hook can hang the cargo that needs to be lifted or moved down; this technical solution is equipped with an infrared sensor, a tension sensor and a displacement sensor. The control handle can realize three control modes : When there is no operation after the control handle is powered on, it is in the lock mode; when it is necessary to control the lifting of the hook, the operator holds the sliding handle, and the infrared sensor under the control box detects the human hand. At this time, it is in manual manual control mode. Move the sliding handle up and down along the axis of the handle rod. The displacement sensor on the sliding handle senses the movement of the sliding handle relative to the handle rod, and transmits the information to the control panel in the control box. The control panel collects the information and transmits it to the intelligent assistant. The main control module of the lifting device controls the servo motor to start operation. The servo motor drives the wire rope to move up and down, thereby driving the goods on the hook to move up and down; when the work is completed, the operator's hand leaves the sliding handle and controls the infrared light below the box When the sensor detects the departure of the hand, the control panel inside enters the lock mode, which transmits the signal to the main control module, the main control module controls the servo motor to stop working, and the intelligent auxiliary lifting device stops moving to ensure safety; this technical solution also The suspension mode can be realized by the buttons on the control box. When entering the suspension mode, you can directly push the load (cargo) up or down with your hands. The force applied to the hook by the load will change, and the tension sensor in the control box senses The information is fed back to the main control module by reaching the operating force and direction of the human hand. The main control module controls the servo motor to drive the load to move up and down. In the suspension mode, the vertical movement speed can be adjusted according to the operating force of the human hand; when it is detected that the load weight is satisfied When the preset automatic suspension weight, it can automatically enter the suspension state without key operation. The control handle is simple in structure, and the intelligent auxiliary lifting device can be moved up and down by moving the sliding handle up and down, which is convenient to operate; it also transmits the operating information of the operator to the control panel and intelligent auxiliary by setting infrared sensors, tension sensors and displacement sensors The main control module of the lifting device controls the operation of the servo motor and the intelligent auxiliary lifting device, which realizes the intelligent control of the intelligent auxiliary lifting device, improves its intelligence, and greatly facilitates the operator.

In the above-mentioned control handle used on the intelligent auxiliary lifting device, a transition gland is fixedly connected to the lower end of the handle rod, a transition joint sleeve is fixedly connected to the transition gland, and the rotary joint assembly includes a lock Hook joint, the upper end of the lock hook joint is connected with the transition joint sleeve through a bearing, and the hook is connected to the lower end of the lock hook joint.

In the above-mentioned control handle used on the intelligent auxiliary lifting device, a connecting block is fixedly connected to the upper end of the handle rod, a sensor connector is fixedly connected to the connecting block, and the tension sensor is connected to the sensor connector. The sensor connection head is also connected with a transition joint sleeve two, the rotary joint assembly two includes a wire rope joint and a connecting bolt fixed on the wire rope joint, the wire rope joint is connected to the transition joint through the second bearing Set of two-phase connection. In the above-mentioned control handle used on the intelligent auxiliary lifting device, the sliding handle is sheathed with a plastic sleeve, and a reset capable of moving the sliding handle upward is provided between the inner wall of the sliding handle and the handle rod. spring. The plastic sleeve is provided to facilitate the operator to hold the sliding handle; the reset spring is provided to facilitate the operator to operate the sliding handle and realize its automatic reset.

In the above-mentioned control handle used on the intelligent auxiliary lifting device, the inner wall of the sliding handle is provided with a stepped surface, the handle rod is sleeved with a spacer, and the upper side of the spacer is connected to the The stepped surfaces are against each other, the lower end of the handle rod is sleeved with a bushing, the handle rod is screwed with a nut that abuts against the lower end surface of the bushing; the handle rod is sleeved with the bushing The second spacer with the upper end surface abutting, the return spring is sleeved on the handle rod, and the two ends respectively abut against the first spacer and the second spacer. The two ends of the return spring are connected to the first and second spacers. The first spacer abuts the step surface on the sliding handle, and the second spacer abuts the upper end surface of the bushing, ensuring that the return spring will not deviate from the movable range. Ensure that the sliding handle works stably.

In the above-mentioned control handle used on the intelligent auxiliary lifting device, the control box is sleeved outside the handle rod and the second rotary joint assembly, and the outer surface of the control box is provided with a button, an emergency stop switch and a display Screen; The tension sensor, the control panel and the display screen are electrically connected to each other. The buttons on the outside of the control box can control the intelligent auxiliary lifting device to enter the suspended state, and set the critical value through the buttons. When the tension sensor detects that the quality of the goods meets the preset conditions, the servo motor is automatically controlled according to the program to drive the goods on the hook to move up and down. A predetermined distance, and then in the floating position; press the emergency stop button on the control box, the intelligent auxiliary lifting device can emergency stop working; the weight information of the cargo on the hook sensed by the tension sensor can also be processed by the control panel and displayed on the display screen .

Compared with the prior art, the present invention has the following advantages:

1. The control handle has a simple structure; and by moving the sliding handle up and down along the handle bar, the intelligent auxiliary lifting device can be moved up and down, and the operation is convenient.

2. The control handle is equipped with infrared sensor, tension sensor and displacement sensor to sense the movement of the operator's hand and transmit the information to the control panel, so as to realize the intelligent control of the movement of the intelligent auxiliary lifting device.

3. This control handle is equipped with a tension sensor, and when the intelligent auxiliary lifting device enters a stable state, it can detect the weight of the item hanging on the hook and display it on the display screen on the control box.

4. The intelligent auxiliary lifting device in the control handle can be set to enter the suspended state to realize automatic action, improve intelligence, and provide convenience for the operator.

5. A reset spring is arranged between the handle bar and the sliding handle in the control handle, which is convenient for the sliding handle to be reset after moving up and down, and also ensures the stable operation of the sliding handle.

Description of the drawings

Figure 1 is a schematic diagram of the three-dimensional structure of the control handle.

Figure 2 is a schematic diagram of the front view of the control handle.

Figure 3 is a schematic diagram of the exploded structure of the control handle.

Figure 4 is a partial structural diagram of the control handle.

Fig. 5 is a schematic diagram of the structure in Fig. 4 with the sliding handle removed.

In the figure, 1. Handle rod; 2. Joint component one; 2a, Locking hook joint; 2b, Bearing one; 3. Hook; 4. Joint component two; 4a, Wire rope joint; 4b, Connecting bolt; 4c, Bearing two 5, sliding handle; 5a, step surface; 6, control box; 6a, button; 6b, emergency stop switch; 6c, display screen; 7, control panel; 8, transition gland; 9, transition joint set one; 10 11. Connecting block; 11. Sensor connector; 12. Transition joint sleeve two; 13. Plastic sleeve; 14. Return spring; 15. Spacer one; 16. Bush; 17. Nut; 18. Spacer two.

detailed description

The following are specific embodiments of the present invention combined with the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

As shown in Figures 1 to 5, the control handle includes a handle rod 1. The lower end of the handle rod 1 is connected with a hook 3 through a rotary joint assembly 1-2, and the upper end of the handle rod 1 has a rotary joint assembly 2 4 for connecting a wire rope. , The sliding sleeve on the handle rod 1 is provided with a sliding handle 5 and the sliding handle 5 can reciprocate along the axis of the handle rod 1. A control box 6 is provided on the handle rod 1 between the sliding handle 5 and the rotary joint assembly two 4. 6 is equipped with a control panel 7 and an infrared sensor under the control box 6; a displacement sensor is provided on the sliding handle 5, and a tension sensor connected to the handle bar 1 is also provided in the control box 6, and the tension sensor is located on the handle bar 1. The infrared sensor, the tension sensor, and the displacement sensor are all electrically connected to the control panel 7 between the upper end of the spool and the rotary joint assembly two 4. The control box 6 is set outside the handle rod 1 and the rotary joint assembly two 4. The outer surface of the control box 6 is provided with a button 6a, an emergency stop switch 6b and a display screen 6c; between the tension sensor, the control panel 7 and the display screen 6c Electrically connected to each other.

Specifically, the rotary joint assembly two 4 is connected to the steel wire rope, and the rotary joint assembly one 2 is connected to the hook 3, and the load of cargo that needs to be moved is hung on the hook 3; in the initial state, the entire intelligent auxiliary lifting device is in the locked state. The operator’s hand holds the sliding handle 5, and when the infrared sensor below the control box 6 senses the human hand, it transmits the information to the control panel 7, and the control panel 7 starts to work; the operator moves the sliding handle up and down along the axis of the handle rod 1 5. The displacement sensor on the sliding handle 5 senses the movement information of the sliding handle 5 and transmits it to the control panel 7. The control panel 7 collects the information and transmits it to the main control module of the intelligent auxiliary lifting device, and the main control module controls the operation of the servo motor , The servo motor drives the hook 3 to move up and down through the wire rope; when the intelligent auxiliary lifting device enters a stable state, the tension sensor can sense the weight information of the items hanging on the hook 3, and transmit it to the control panel 7 through the display 6c When the intelligent auxiliary lifting device is required to stop working in an emergency during the working process, press the emergency stop switch 6b on the control box 6, and the control panel 7 controls the servo motor to stop working, and the intelligent auxiliary lifting device stops working to improve safety ; At the end of the work, the operator leaves the sliding handle 5, the infrared sensor transmits the information to the control panel 7, the control panel 7 enters the locked state, the servo motor stops working, and the intelligent auxiliary lifting device also stops working; by pressing the control box 6 Set the parameters on the button 6a, the intelligent auxiliary lifting device can also enter the levitation mode. When entering the levitation mode, you can directly push the load (cargo) up or down by hand. The tension sensor in the control box 6 senses the operating force of the human hand. The information is collected through the control panel 7 and fed back to the main control module of the intelligent auxiliary lifting device. The main control module controls the servo motor to drive the load to move up and down. In the suspension mode, the up and down movement speed can be adjusted according to the operating force of the human hand; When it is detected that the load weight meets the preset automatic suspension weight, it can automatically enter the suspension state without key operation. The control handle realizes the intelligent control of the intelligent auxiliary lifting device, saves manpower, improves the production efficiency, is convenient to operate, and is stable and reliable.

Further, a transition gland 8 is fixedly connected to the lower end of the handle rod 1, and a transition joint sleeve 9 is fixedly connected to the transition gland 8. 2b is connected to the transition joint sleeve 9, and the hook 3 is connected to the lower end of the lock hook joint 2a. The upper end of the handle rod 1 is fixedly connected with a connecting block 10, the connecting block 10 is fixedly connected with a sensor connector 11, the tension sensor is connected with the sensor connector 11, and the sensor connector 11 is also connected with a transition joint sleeve 12, a rotary joint The second assembly 4 includes a wire rope joint 4a and a connecting bolt 4b fixed on the wire rope joint 4a. The wire rope joint 4a is connected to the transition joint sleeve 12 through the second bearing 4c.

As shown in FIG. 3, the sliding handle 5 is covered with a plastic sleeve 13, and a return spring 14 capable of moving the sliding handle 5 upward is arranged between the inner wall of the sliding handle 5 and the handle rod 1. The inner wall of the sliding handle 5 is provided with a stepped surface 5a, a spacer 15 is sleeved on the handle rod 1, and the upper side of the spacer 15 abuts against the stepped surface 5a, and the lower end of the handle rod 1 is sleeved with a bushing 16. The handle rod 1 is screwed with a nut 17 that abuts against the lower end surface of the bushing 16; the handle rod 1 is sleeved with a spacer 18 that abuts against the upper end face of the bushing 16, and the return spring 14 is sleeved on the handle rod 1. And the two ends abut against the first spacer 15 and the second 18 spacer respectively. The spacer 15 abuts the step surface 5a, the spacer 18 abuts the upper end surface of the bush 16, the two ends of the return spring 14 are respectively connected with the spacer 15 and the spacer 18, and the sliding handle 5 is reset during the movement. The spring 14 expands or contracts with the up and down movement of the sliding handle 5, and drives the sliding handle 5 to reset. The return spring 14 is restricted by the spacer 15 and spacer 2 18, and will not deviate from the working range, which also ensures the sliding handle 5 Stable work.

The specific embodiments described herein are merely examples to illustrate the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or additions to the specific embodiments described or use similar alternatives, but they will not deviate from the spirit of the present invention or exceed the definitions defined in the appended claims. Range.

Although this article mostly used 1. handle rod; 2. joint component one; 2a, lock hook joint; 2b, bearing one; 3. hook; 4. joint component two; 4a, wire rope joint; 4b, connecting bolt; 4c. Bearing two; 5. Sliding handle; 5a. Step surface; 6. Control box; 6a. Button; 6b. Emergency stop switch; 6c. Display; 7. Control panel; 8. Transition gland; 9. Transition joint Set one; 10. Connecting block; 11. Sensor connector; 12. Transition joint set two; 13. Plastic sleeve; 14. Return spring; 15. Spacer one; 16. Bush; 17. Nut; 18. Spacer Second-class terms, but it does not exclude the possibility of using other terms. These terms are used only to describe and explain the essence of the present invention more conveniently; to interpret them as any additional limitation is contrary to the spirit of the present invention.

Claims

A control handle used on an intelligent auxiliary lifting device, comprising a handle rod (1), the lower end of the handle rod (1) is connected with a hook (3) through a rotary joint assembly one (2), the handle rod (1) The upper end of 1) has the second rotary joint assembly (4) for connecting the steel wire rope, characterized in that the sliding sleeve on the handle rod (1) is provided with a sliding handle (5) and the sliding handle (5) can be moved along the The handle rod (1) reciprocates axially, and a control box (6) is provided on the handle rod (1) between the sliding handle (5) and the second rotary joint assembly (4), and the control A control panel (7) is provided in the box (6), an infrared sensor is also provided under the control box (6); a displacement sensor is provided on the sliding handle (5), and the control box (6) is also provided There is a tension sensor connected to the handle rod (1), and the infrared sensor, the tension sensor and the displacement sensor are all electrically connected with the control panel (7).
The control handle used on the intelligent auxiliary lifting device according to claim 1, wherein the lower end of the handle rod (1) is fixedly connected with a transition gland (8), and the transition gland (8) is A transition joint sleeve (9) is fixedly connected, the rotary joint assembly (2) includes a shackle joint (2a), and the upper end of the shackle joint (2a) is connected to the transition joint sleeve through a bearing (2b) One (9) is connected, and the hook (3) is connected to the lower end of the lock hook joint (2a).
The control handle used on the intelligent auxiliary lifting device according to claim 1 or 2, wherein the tension sensor is located between the upper end of the handle rod (1) and the second rotary joint assembly (4) .
The control handle used on the intelligent auxiliary lifting device according to claim 3, wherein the upper end of the handle rod (1) is fixedly connected with a connecting block (10), and the connecting block (10) is fixedly connected with There is a sensor connector (11), the tension sensor is connected with the sensor connector (11), the sensor connector (11) is also connected with a transition joint sleeve (12), the rotary joint assembly two (4) It includes a wire rope joint (4a) and a connecting bolt (4b) fixed on the wire rope joint (4a). The wire rope joint (4a) is connected to the second transition joint sleeve (12) through the second bearing (4c). ) To connect.
The control handle used on the intelligent auxiliary lifting device according to claim 1 or 2, wherein the sliding handle (5) is sheathed with a plastic sleeve (13), and the inner wall of the sliding handle (5) and A return spring (14) capable of moving the sliding handle (5) upward is arranged between the handle rods (1).
The control handle used on the intelligent auxiliary lifting device according to claim 5, wherein the inner wall of the sliding handle (5) is provided with a step surface (5a), and the handle rod (1) is sleeved There is a spacer (15), the upper side of the spacer (15) abuts the step surface (5a), the lower end of the handle rod (1) is sleeved with a bush (16), the The handle rod (1) is screwed with a nut (17) that abuts against the lower end surface of the bush (16); the handle rod (1) is sleeved to abut against the upper end face of the bush (16) The second spacer (18), the return spring (14) is sleeved on the handle rod (1), and both ends abut against the first spacer (15) and the second spacer (18).
The control handle used on the intelligent auxiliary lifting device according to claim 3, wherein the control box (6) is sleeved outside the handle rod (1) and the second rotary joint assembly (4), so The outer side of the control box (6) is provided with buttons (6a), an emergency stop switch (6b) and a display screen (6c); the tension sensor, the control panel (7) and the display screen (6c) are mutually electrically connected Sexual connection.