CN218235649U

CN218235649U - Micro-motion displacement control device and engineering equipment

Info

Publication number: CN218235649U
Application number: CN202221357358.6U
Authority: CN
Inventors: 宋院归; 周科雄; 邓胜达; 张建军; 李义; 孙波
Original assignee: Zhonglian Hengtong Machinery Co Ltd
Current assignee: Zhonglian Hengtong Machinery Co Ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2023-01-06
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a micro-motion displacement control device and engineering equipment, wherein the micro-motion displacement control device adopts a valve group, a controller, an electric control handle, a signal generating mechanism and an actuating mechanism, and the valve group is connected with the actuating mechanism; the controller is respectively electrically connected with the electric control handle, the signal generating mechanism and the valve group and is used for receiving a selection switch signal sent by the signal generating mechanism and an output signal sent by the electric control handle, outputting a control signal to control the valve group to act, and driving the actuating mechanism to output micro-motion displacement by the valve group. The utility model provides a fine motion displacement control device and engineering equipment, fine motion performance control is irrelevant with the minimum numerical value of handle angle, and fine motion stable performance and fine motion effect are high.

Description

Micro-motion displacement control device and engineering equipment

Technical Field

The utility model relates to an engineering machine tool technical field especially discloses a fine motion displacement control device and engineering equipment.

Background

The operation modes of the existing engineering equipment mainly comprise a mechanical lever operation mode, a hydraulic control operation mode and an electric control operation mode, but the existing operation modes have the following defects:

1. mechanical lever operating mode: the operator directly operates the operating rod to change the valve core displacement to realize the mechanism action, the operation is simple, the operation feeling is strong, the defect is that the inching performance is poor, the operating rod system brings great arrangement difficulty, the handle angle of the operating rod directly determines the valve core displacement, as shown in figure 1, the inching performance is related to the operation level of the operator, and the inching effect is poor.

2. The hydraulic control operation mode is as follows: the operator operates the hydraulic control handle, realizes the mechanism action through guide's pressure control valves, arranges degree of difficulty greatly reduced, and the handle angle of hydraulic control handle directly determines guide's pressure size, and is a little better than mechanical lever operation mode slightly, but the effect is still not good, and its fine motion performance is relevant with operator's operation level.

3. An electric control operation mode: an operator operates the electric control handle, the opening degree of the valve core is controlled through the current, the mechanism is actuated, the arrangement is convenient, the handle angle of the electric control handle directly determines the current, the micro-motion is better than a mechanical rod operation mode and a hydraulic control operation mode, but the micro-motion performance is unstable relative to the operation level of the operator.

Therefore, in the operation mode of the existing engineering equipment, the micro-motion performance of the engineering equipment is related to the minimum numerical value of the handle angle, and the micro-motion performance is unstable and has poor micro-motion effect depending on the operation level of an operator; in the same equipment, the inching performance difference corresponding to different operators is too large, and the adaptability to the operators is poor, so that the technical problem to be solved urgently is solved at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fine motion displacement control device, aiming at solving the problems that in the operation mode of the existing engineering equipment, the fine motion performance of the equipment is related to the minimum value of the handle angle, and the fine motion performance is unstable and the fine motion effect is poor depending on the operation level of an operator; the same equipment, the inching performance difference corresponding to different operators is too large, and the adaptability to the operators is poor.

According to the utility model discloses an aspect provides a fine motion displacement control device, including valves, controller, automatically controlled handle, signal generation mechanism and actuating mechanism, the input of controller is connected with automatically controlled handle and signal generation mechanism electricity respectively, and the output and the valves electricity of controller are connected, and the valves is connected with actuating mechanism.

Further, the signal generating mechanism is a selection switch or a selection button.

Further, the actuating mechanism is a cylinder or a motor.

Furthermore, the oil cylinder is a vertical oil cylinder and/or a variable amplitude oil cylinder.

Further, the motor is a dc motor or an ac motor.

Further, the controller is a programmable logic controller or a single chip microcomputer.

Further, the valve block includes a solenoid valve.

Furthermore, the electric control handle comprises a handle and an operating rod connected with the handle.

According to another aspect of the present invention, there is provided an engineering apparatus, comprising the above-mentioned fine motion displacement control device.

The utility model discloses the beneficial effect who gains does:

the utility model provides a micro-motion displacement control device and engineering equipment, wherein the micro-motion displacement control device adopts a valve bank, a controller, an electric control handle, a signal generating mechanism and an actuating mechanism, and the valve bank is connected with the actuating mechanism; the controller is respectively electrically connected with the electric control handle, the signal generating mechanism and the valve group and is used for receiving a selection switch signal sent by the signal generating mechanism and an output signal sent by the electric control handle, outputting a control signal to control the valve group to act, and driving the actuating mechanism to output micro-motion displacement by the valve group. The utility model provides a fine motion displacement control device and engineering equipment, fine motion performance control is irrelevant with the minimum numerical value of handle angle, and fine motion stable performance and fine motion effect are high.

Drawings

Fig. 1 is a functional block diagram of a first embodiment of a fine motion displacement control device provided by the present invention;

fig. 2 is a functional block diagram of a second embodiment of the inching displacement control device provided by the present invention;

fig. 3 is a schematic diagram of the variable relationship between the current outputted by the controller and the handle angle in the micro-motion displacement control device.

The reference numbers illustrate:

10. a valve block; 20. a controller; 30. an electric control handle; 40. a signal generating mechanism; 50. an actuator; 60. and a power supply mechanism.

Detailed Description

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

As shown in fig. 1, the utility model discloses a fine motion displacement control device is proposed in first embodiment, including valves 10, a controller 20, electric control handle 30, signal generation mechanism 40 and actuating mechanism 50, controller 20's input is connected with electric control handle 30 and signal generation mechanism 40 electricity respectively, controller 20's output is connected with valves 10 electricity, valves 10 is connected with actuating mechanism 50, controller 20 is used for receiving the selection switch signal that signal generation mechanism 40 sent and the output signal that electric control handle 30 sent, output control signal comes the action of control valves 10, drive actuating mechanism 50 output fine motion displacement by valves 10. In this example, the motor may be a dc motor or an ac motor. The controller 20 may be a programmable logic controller or a single chip microcomputer. The valve block 10 comprises solenoid valves. The electric control handle 30 includes a handle and an operation rod connected to the handle. The signal generating mechanism 40 may employ a selection switch or a selection button. The actuator 50 may employ a cylinder or a motor. The oil cylinder can adopt a vertical oil cylinder and/or a variable amplitude oil cylinder, and the protection scope of the patent is included.

Referring to fig. 2, fig. 2 is a functional block diagram of a second embodiment of the fine motion displacement control device provided in the present invention, on the basis of the first embodiment, the fine motion displacement control device provided in this embodiment further includes a power providing mechanism 60, the power providing mechanism 60 is connected to the valve set 10, and in this embodiment, the power providing mechanism 60 employs an oil source. The oil source provides power for the valve group 10, so that the valve group 10 drives the oil cylinder to act. The valve core opening of the valve group 10 is controlled by the output current of the controller 20, and the output current value of the controller 20 depends on the electric control handle 30 and the selection switch. The inching displacement control device provided by the embodiment has stable inching performance and high inching effect.

The utility model also provides an engineering equipment, including foretell fine motion displacement control device, no longer give consideration to here.

As shown in fig. 1 and fig. 2, the utility model provides a fine motion displacement control device and engineering equipment, its theory of operation is:

the controller 20 detects the selection switch signal, and returns to the self-running stage if the selection switch signal is not sent out; and if the selection switch is detected to send out a selection switch signal, the next signal detection is carried out. In the next signal detection, the controller 20 detects whether the electric control handle 30 sends an output signal, and if the electric control handle 30 sends the output signal, outputs a current control signal to force the oil in the control valve group 10 to enter the actuator 50 to output the micro displacement.

The control signal output by the controller 20 is based on the detected output signal of the electric control handle 30, and a fixed micro-current is output, and the variable relation between the current output by the controller 20 and the handle angle is shown in fig. 3.

The micro-current output by the controller 20 is independent of the handle angle of the electric control handle 30, and the same micro-current can be output no matter what the handle angle of the electric control handle 30 is.

Compared with the prior art, the micro-motion displacement control device and the engineering equipment provided by the embodiment adopt a valve bank, a controller, an electric control handle, a signal generating mechanism and an actuating mechanism, wherein the valve bank is connected with the actuating mechanism; the controller is respectively electrically connected with the electric control handle, the signal generating mechanism and the valve group and is used for receiving a selection switch signal sent by the signal generating mechanism and an output signal sent by the electric control handle, outputting a control signal to control the valve group to act, and driving the actuating mechanism to output micro-motion displacement by the valve group. According to the micro-motion displacement control device and the engineering equipment, the micro-motion performance is controlled independently of the minimum value of the handle angle, the micro-motion performance is stable, and the micro-motion effect is high.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a fine motion displacement control device, characterized in that, includes valves (10), controller (20), automatically controlled handle (30), signal generation mechanism (40) and actuating mechanism (50), the input of controller (20) respectively with automatically controlled handle (30) with signal generation mechanism (40) electricity is connected, the output of controller (20) with valves (10) electricity is connected, valves (10) with actuating mechanism (50) are connected.

2. The micro-motion displacement control device according to claim 1, wherein the signal generating mechanism (40) is a selection switch or a selection button.

3. The inching displacement control device according to claim 1, wherein the actuator (50) is a cylinder or a motor.

4. The micro-motion displacement control device according to claim 3, wherein the cylinder is a lift cylinder and/or a luffing cylinder.

5. The inching displacement control device of claim 3 wherein the motor is a dc motor or an ac motor.

6. The inching displacement control device according to claim 1, wherein the controller (20) is a programmable logic controller or a single chip microcomputer.

7. The micro-motion displacement control device according to claim 1, wherein the valve block (10) comprises a solenoid valve.

8. The inching displacement control device according to claim 1, characterized in that the electric control handle (30) comprises a handle and a lever connected to the handle.

9. An engineering machine comprising a micro-motion displacement control device according to any one of claims 1 to 8.