阅读说明：本技术 一种用于工业操纵杆的两轴独立摩擦定位机构 (Two-shaft independent friction positioning mechanism for industrial control rod ) 是由 李彦达 于 2020-06-11 设计创作，主要内容包括：本发明涉及操纵杆技术领域,并提供了一种用于工业操纵杆的两轴独立摩擦定位装置,所述操纵杆包括十字万向机构的机壳、X轴档位机构和Y轴档位机构,所述摩擦定位机构设置在所述机壳上,且所述摩擦定位机构包括X轴定位机构和Y轴定位机构,所述X轴定位机构与所述X轴档位机构位置相对应,所述Y轴定位机构与所述Y轴档位机构位置相对应,本发明中摩擦定位机构包括X轴定位机构和Y轴定位机构,且X轴定位机构和Y轴档位机构独立设置,从而实现X轴定位机构和Y轴档位机构的摩擦阻力单独控制,从而可以应用到特定设置上,扩大应用范围,通用行强；结构简单,操作方便,具有良好的市场应用价值。(The invention relates to the technical field of operating levers, and provides a two-axis independent friction positioning device for an industrial operating lever, wherein the operating lever comprises a casing of a cross universal mechanism, an X-axis gear mechanism and a Y-axis gear mechanism, the friction positioning mechanism is arranged on the casing and comprises an X-axis positioning mechanism and a Y-axis positioning mechanism, the X-axis positioning mechanism corresponds to the X-axis gear mechanism in position, and the Y-axis positioning mechanism corresponds to the Y-axis gear mechanism in position; simple structure, convenient operation and good market application value.)

1. The utility model provides an independent friction positioner of diaxon for industry control rod, the control rod includes cross universal mechanism's casing, X axle gear mechanism and Y axle gear mechanism, its characterized in that, friction positioning mechanism sets up on the casing, just friction positioning mechanism includes X axle positioning mechanism and Y axle positioning mechanism, X axle positioning mechanism with X axle gear position is corresponding, Y axle positioning mechanism with Y axle gear position is corresponding.

2. The two-axis independent friction positioning mechanism for an industrial joystick according to claim 1, wherein the X-axis positioning mechanism comprises a washer, a plurality of fixed friction plates and a plurality of movable friction plates which are arranged in sequence from outside to inside and are provided on the outer housing through a first connecting bolt.

3. The two-axis independent friction positioning mechanism for an industrial joystick of claim 2, wherein a plurality of the fixed friction plates and a plurality of the movable friction plates are arranged adjacently at intervals.

4. The two-axis independent friction positioning mechanism for industrial joysticks according to claim 2, wherein the two ends of the fixed friction plate are fixed to the housing by second connecting bolts, and the two second connecting bolts are disposed on both sides of the first connecting bolt.

5. The two-axis independent friction positioning mechanism for an industrial joystick of claim 2, wherein lower ends of the plurality of movable friction plates are fixed by a third connecting bolt.

6. The two-axis independent friction positioning mechanism for an industrial joystick of claim 2, wherein the Y-axis positioning mechanism is identical in structure to the X-axis positioning mechanism.

7. The two-axis independent friction positioning mechanism for the industrial joystick according to claim 1, wherein the X-axis positioning mechanism comprises an arc-shaped positioning block, a guide tube, a compression spring and a positioning steel ball, the arc-shaped positioning block is vertically arranged and fixedly connected with a side plate of the housing, one end of the guide tube, which is far away from the side plate, is fixedly connected with the X-axis positioning mechanism and rotates synchronously with the X-axis positioning mechanism, the guide tube faces an opening at one end of the side plate, the compression spring is arranged in the guide tube, and the positioning steel ball is arranged at one end of the opening in the guide tube and connected with the compression spring.

8. The two-axis independent friction positioning mechanism for an industrial joystick of claim 7, wherein the Y-axis shift mechanism is identical in structure to the X-axis shift mechanism.

9. The two-axis independent friction positioning mechanism for an industrial joystick of claim 2, wherein the spacers are butterfly spacers.

10. The two-axis independent friction positioning mechanism for an industrial joystick of claim 2, wherein the X-axis positioning mechanism further comprises a PCB board, the PCB board is installed below the movable friction plate, and four magnetic field strength sensors are installed in a rectangular array on an upper portion of the PCB board.

Technical Field

The invention relates to the technical field of operating levers, in particular to a two-axis independent friction positioning mechanism for an industrial operating lever.

Background

With the control of a control lever which is commonly used for friction resistance positioning, such as throttle control, robot control, unmanned aerial vehicle control and the like, by some large-scale equipment; the 2 axes (xy axes) of the operating lever which is commonly used for positioning by friction resistance at the present stage are the same resistance structure, and the 2 axes can only have the same resistance, so that the operating lever is not suitable for many occasions; for example, a crawler tractor is provided, the friction resistance of a Y axis is positioned, an accelerator is controlled, the accelerator needs to be stable, and the friction force is large; the X-axis controls steering, the steering is flexible, and the friction force is relatively small; similarly, in the aspect of control of the unmanned aerial vehicle equipment, the friction force of the xy axis is also required to be inconsistent; therefore, the joystick at the present stage cannot be applied to the above-mentioned specific device because the 2 axis (xy axis) is the same resistance structure, resulting in a narrow application range and a large limitation.

Disclosure of Invention

The invention solves the problems that the X axis and the Y axis of the existing operating lever adopt the same resistance structure, so that the resistance is the same, the application range is narrow, and the limitation is large.

In order to solve the problems, the invention provides a two-axis independent friction positioning device for an industrial control lever, wherein the control lever comprises a casing of a cross universal mechanism, an X-axis gear mechanism and a Y-axis gear mechanism.

Optionally, the X-axis positioning mechanism includes a gasket, a plurality of fixed friction plates, and a plurality of movable friction plates, and is sequentially arranged from outside to inside and disposed on the outer shell through a first connecting bolt.

Alternatively, a plurality of the fixed friction plates and a plurality of the movable friction plates are arranged adjacently at intervals.

Optionally, two ends of the fixed friction plate are fixed on the casing through second connecting bolts, and the two second connecting bolts are distributed on two sides of the first connecting bolt.

Optionally, the lower ends of a plurality of the movable friction plates are fixed by a third connecting bolt.

Optionally, the Y-axis positioning mechanism is identical in structure to the X-axis positioning mechanism.

Optionally, X axle gear includes arc gear piece, stand pipe, compression spring and location steel ball, the vertical setting of arc gear piece and with the curb plate fixed connection of casing, the stand pipe is kept away from the one end of curb plate with X axle positioning mechanism fixed connection, and along with X axle positioning mechanism rotates in step, the stand pipe orientation the one end opening of curb plate, compression spring set up in the stand pipe, the location steel ball set up with opening one end position department in the stand pipe, and with compression spring connects.

Optionally, the Y-axis shift mechanism is identical in structure to the X-axis shift mechanism.

Optionally, the gasket is a butterfly gasket.

Optionally, the X-axis positioning mechanism further comprises a PCB board, the PCB board is mounted below the movable friction plate, and the upper portion of the PCB board is mounted with four magnetic field intensity sensors arranged in a rectangular shape.

Compared with the prior art, the friction positioning mechanism has the beneficial effects that by adopting the scheme, the friction positioning mechanism comprises the X-axis positioning mechanism and the Y-axis positioning mechanism, and the X-axis positioning mechanism and the Y-axis gear mechanism are independently arranged, so that the friction resistance of the X-axis positioning mechanism and the Y-axis gear mechanism is independently controlled, and the friction positioning mechanism can be applied to specific settings, the application range is expanded, and the universality is strong; simple structure, convenient operation and good market application value.

Drawings

FIG. 1 is a front view of the friction positioning device of the present invention;

FIG. 2 is a schematic perspective view of the friction positioning device of the present invention;

FIG. 3 is a schematic cross-sectional view of the friction positioning device of the present invention;

description of reference numerals:

1. a housing; an X-axis gear mechanism; 21. an arc-shaped gear block; 22. a guide tube; 23. a compression spring; 24. positioning the steel balls; a Y-axis gear mechanism; an X-axis positioning mechanism; 41. a gasket; 42. fixing the friction plate; 43. a movable friction plate; 44. a first connecting bolt; 45. a second connecting bolt; 46. a third connecting bolt; 5, a Y-axis positioning mechanism; 6. a joystick; 7, PCB board; 8. a magnetic field strength sensor.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

The terms "upper" and "lower" and the like of the embodiments of the present invention indicate directions or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred devices must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present specification, "first", "second", "third", and "fourth" do not constitute a limitation on a specific number, but are merely for convenience of distinction and description. Reference to the description of the terms "an embodiment," "one embodiment," and "one implementation," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or implementation is included in at least one embodiment or implementation of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.

The invention provides a two-axis independent friction positioning device for an industrial control lever, as shown in figures 1-3, a control lever 6 comprises a casing 1 of a cross universal mechanism, an X-axis gear mechanism 2 and a Y-axis gear mechanism 3, the friction positioning mechanism is arranged on the casing 1 and comprises an X-axis positioning mechanism 4 and a Y-axis positioning mechanism 5, the X-axis positioning mechanism 4 corresponds to the X-axis gear mechanism 2, and the Y-axis positioning mechanism 5 corresponds to the Y-axis gear mechanism 3.

The operating lever 6 further comprises an operating lever 6 body, and the operating lever 6 body is arranged in the middle of the casing 1 and is perpendicular to the casing 1; x axle positioning mechanism 4 with X axle gear 2 sets up relatively both sides around the 6 bodies of control rod, Y axle positioning mechanism 5 with Y axle gear 3 sets up relatively the left and right sides of the 6 bodies of control rod, and X axle positioning mechanism 4 and Y axle positioning mechanism 5 all set up independently, can control its frictional resistance that corresponds respectively to be applicable to equipment or product to X axle and Y axle frictional resistance difference, application scope is wide, and the commonality is strong.

In one embodiment of the present invention, the X-axis positioning mechanism 4 includes a spacer 41, a plurality of fixed friction plates 42 and a plurality of movable friction plates 43, and is arranged on the outer case in order from the outside to the inside by a first connecting bolt 44.

It should be noted that, a bolt hole is arranged on a side plate of the casing 1, the first connecting bolt 44 penetrates through the gasket 41, the plurality of fixed friction plates 42 and the plurality of movable friction plates 43 in sequence and then goes deep into the bolt hole to realize detachable installation of the gasket 41, the fixed friction plates 42 and the movable friction plates 43, the magnitude of the frictional damping of the fixed friction plates 42 and the movable friction plates 43 is adjusted by adjusting the tightness of the first connecting bolt 44, so as to flexibly adjust the frictional force of the X axis, and the magnitude of the frictional damping of the gasket 41 can be free from the influence of wear; that is, the Y-axis positioning mechanism 5 can adjust the friction force of the Y-axis by adjusting the tightness of the first connecting bolt 44.

In one embodiment of the present invention, a plurality of the fixed friction plates 42 and a plurality of the movable friction plates 43 are arranged adjacently at intervals.

It should be noted that the number of the fixed friction plates 42 and the movable friction plates 43 is plural, for example, 3, and they are overlapped from outside to inside in turn, and are locked by the first connecting bolt 44, so that the magnitude of the friction force of the X axis is adjusted by adjusting the tightness of the first connecting bolt 44.

In one embodiment of the present invention, two ends of the fixed friction plate 42 are fixed on the casing 1 by second connecting bolts 45, and two second connecting bolts 45 are distributed on two sides of the first connecting bolt 44.

It should be noted that, since the left and right ends of the fixed friction plate 42 are fixed to the casing 1 by the second connecting bolt 45, the position of the fixed friction plate 42 is fixed and cannot rotate.

In one embodiment of the present invention, the lower ends of a plurality of the movable friction plates 43 are fixed by third coupling bolts 46.

It should be noted that the operating lever 6 further comprises a cross universal assembly, the operating lever 6 body is mounted in the casing 1 through the cross universal assembly, the lower part of the cross universal assembly is provided with an X-axis positioning connecting piece and a Y-axis positioning connecting piece at positions corresponding to the X-axis shift mechanism 2 and the Y-axis shift mechanism 3, the X-axis positioning connecting piece comprises an upper rectangular plate and a lower arc-shaped plate which are integrally arranged, the upper rectangular plate is provided with a positioning round hole corresponding to the first connecting bolt 44, and the upper part of the lower arc-shaped plate is provided with an arc-shaped groove; the first connecting bolt 44 is after fixing the movable friction plate 43 to the casing 1; since the upper part of the movable friction plate 43 is installed on the machine shell 1, the third connecting bolt 46 horizontally penetrates through the lower end of the movable friction plate 43 and the upper rectangular plate, so that the movable friction plate 43 and the X-axis positioning connecting piece synchronously swing along with the cross universal assembly.

The third connecting bolt 46 and the X-axis positioning connecting piece are made of magnetic materials and are connected in a magnetic adsorption manner; the cross universal assembly is prior art and will not be described in detail again.

In one embodiment of the present invention, the Y-axis positioning mechanism 5 is identical in structure to the X-axis positioning mechanism 4.

Since the Y-axis positioning mechanism has the same structure as the X-axis positioning mechanism 4, the Y-axis positioning mechanism 5 can adjust the magnitude of the frictional force of the Y-axis positioning mechanism 5 by adjusting the tightness of the first connecting bolt 44.

In an embodiment of the present invention, the X-axis shift mechanism 2 includes an arc-shaped shift block 21, a guide tube 22, a compression spring 23, and a positioning steel ball 24, the arc-shaped shift block 21 is vertically disposed and fixedly connected to a side plate of the housing 1, one end of the guide tube 22 away from the side plate is fixedly connected to the X-axis positioning mechanism 4, and rotates synchronously with the X-axis positioning mechanism 4, the guide tube 22 opens toward one end of the side plate, the compression spring 23 is disposed in the guide tube 22, and the positioning steel ball 24 is disposed at one end of the opening in the guide tube 22 and connected to the compression spring 23.

It should be noted that an arc-shaped groove is formed in one surface, facing the central axis of the operating rod 6, of the arc-shaped stop block 21, a positioning groove is formed in the position, facing the positioning steel column, of the middle of the arc-shaped stop block 21, and when the operating rod swings along the X-axis direction, the guide tube 22 swings along with the X-axis positioning mechanism 4, so that the elastic steel column swings in the arc-shaped groove of the arc-shaped stop block 21, the elastic steel column is separated from the positioning groove, and the compression spring 23 is compressed; when the X axis is in the middle position, the compression spring 23 is in an extension state, and the compression spring 23 pushes the positioning steel column to be positioned in the positioning groove due to the elastic restoring force of the compression spring 23, so that vibration is generated, and the X axis positioning operation of the operating rod 6 is realized; .

In one embodiment of the present invention, the Y-axis shift mechanism 3 is identical in structure to the X-axis shift mechanism 2.

It should be noted that the operation process when the Y-axis shift mechanism 3 is operated to swing along the Y-axis is the same as the operation process of the X-axis shift mechanism 2.

In one embodiment of the present invention, the gasket 41 is a butterfly gasket.

It should be noted that the disc-shaped gasket can effectively ensure that the friction resistance is constant, so as to ensure that the friction damping is not affected by the wear in use.

In one embodiment of the present invention, the X-axis positioning mechanism 4 further comprises a PCB board 7, the PCB board 7 is mounted below the movable friction plate 43, and the upper portion of the PCB board 7 is mounted with four magnetic field strength sensors 8 arranged in a rectangular shape.

It should be noted that the magnetic field intensity sensor 8 includes a hall sensor, and the hall sensor is in communication connection with an external display terminal; the detection process that the X axis in the control lever 6 is in the middle position, namely when the control lever 6 is in the middle position, the upper rectangular plate in the X axis positioning connecting piece is in a vertical state, the lower arc-shaped plate is positioned right above the Hall sensor, the Hall sensor detects that the magnetic field intensity of the X axis positioning connecting piece made of magnetic material is strongest, and transmits a signal with the strongest magnetic field intensity to an external display terminal, so that a worker or an operator can clearly know that the control lever 6 is in the middle position at the moment on the display terminal, and a compression spring 23 in the X axis gear mechanism 2 stretches and retracts to drive a positioning steel column to be positioned in a positioning groove of the arc gear block 21 to generate vibration, thereby realizing accurate positioning operation of an electric signal of the X axis in the control lever 6 and machinery; similarly, the detection process of the joystick 6 with the Y axis in the neutral position is the same as the detection process of the joystick 6 with the X axis in the neutral position.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.