阅读说明：本技术 一种抓料臂及抓料机 (Material grabbing arm and material grabbing machine ) 是由 张明丛 李志锋 钟佩文 于 2020-08-17 设计创作，主要内容包括：本发明提供了一种抓料臂及抓料机,涉及抓料机械技术领域。抓料臂包括一动力输出装置、第一动力臂、第二动力臂、第一传动装置及第二传动装置,第一动力臂可相对滑动的安装在第二动力臂上,动力输出装置的输出轴分别连接第一传动装置和第二传动装置,第一传动装置用于驱动第一动力臂沿直线方向运动,第二传动装置用于驱动第二动力臂沿周向转动,且第一传动装置和第二传动装置不同时输出动力。本发明通过一个动力输出装置实现第一动力臂沿直线方向运动,实现第二动力臂带动第一动力臂周向转动,因此,本发明由一个动力源实现了两个方向的运动,结构简单,极大地降低了制造和维护成本。(The invention provides a material grabbing arm and a material grabbing machine, and relates to the technical field of material grabbing machinery. The material grabbing arm comprises a power output device, a first power arm, a second power arm, a first transmission device and a second transmission device, the first power arm can be installed on the second power arm in a relatively sliding mode, an output shaft of the power output device is connected with the first transmission device and the second transmission device respectively, the first transmission device is used for driving the first power arm to move along the linear direction, the second transmission device is used for driving the second power arm to rotate along the circumferential direction, and the first transmission device and the second transmission device do not output power at the same time. The first power arm moves along the linear direction through the power output device, and the second power arm drives the first power arm to rotate circumferentially, so that the two-direction movement is realized through one power source, the structure is simple, and the manufacturing and maintenance cost is greatly reduced.)

1. A material grabbing arm is characterized by comprising a power output device, a first power arm, a second power arm, a first transmission device and a second transmission device;

the first power arm is relatively slidably arranged on the second power arm;

the output shaft of power take-off connects respectively first transmission with second transmission, first transmission is used for the drive first power arm moves along the rectilinear direction, second transmission is used for the drive second power arm is along circumferential direction, just first transmission with second transmission does not export power simultaneously.

2. The gripper arm of claim 1, wherein the first transmission comprises a rack and pinion assembly and a first transmission assembly, the rack and pinion assembly comprises a gear member and a rack member in meshing transmission with the gear member, and the first transmission assembly comprises a first input end and an opposite first output end;

the rack piece is installed on the first power arm and arranged along the linear motion direction of the first power arm, the gear piece is connected with the first output end, and the first input end is connected with an output shaft of the power output device.

3. The material grabbing arm as claimed in claim 2, wherein the first power arm is provided with a first stroke groove, the gear member is mounted on the first stroke groove, and the gear member is located in the first stroke groove.

4. The grabber arm of claim 2, wherein the first transmission assembly comprises one of a one-way coupling or a ratchet mechanism.

5. The gripper arm of claim 1, wherein the second transmission comprises a second transmission assembly, the second transmission assembly comprising a second input and an opposing second output, the second input being coupled to the output shaft, the second output being coupled to the second power arm.

6. The grab arm of claim 5, in which the second drive assembly comprises one of a one-way coupling or a ratchet mechanism.

7. The material grabbing arm as claimed in claim 5, wherein the first power arm is provided with a second stroke slot, the length direction of the second stroke slot is parallel to the linear motion direction of the first power arm, and the second power arm is in sliding fit with the second stroke slot through a transmission shaft.

8. The gripper arm of claim 1, further comprising a return means for driving the first powered arm in a direction opposite to the direction driven by the first drive means.

9. The material grabbing arm as claimed in any one of claims 1 to 8, wherein one end of the first power arm, which is far away from the first transmission device, is provided with a working device mounting part, and the working device mounting part is used for mounting a material grabbing accessory.

10. A material grabbing machine, which is characterized by comprising a machine body, a material grabbing accessory and a material grabbing arm according to any one of claims 1 to 9;

the grabbing arm is mounted on the machine body;

the material grabbing accessory is arranged on the material grabbing arm.

Technical Field

The invention relates to the technical field of material grabbing machinery, in particular to a material grabbing arm and a material grabbing machine.

Background

A material grabbing machine is a mechanical device used for grabbing materials, such as sand, stone, wood, etc. In order to grab materials in different ranges, the conventional material grabbing machine mainly has the following two schemes in the implementation mode of a power arm: the first scheme is that the hydraulic oil cylinder drives the telescopic mechanism and the power device drives the rotary mechanism; the second scheme is a fixed arm + a movable lower vehicle assembly + a rotatable upper vehicle assembly.

Although the two schemes are mature at present, the two schemes need at least two power devices for driving, and have complex structure and high manufacturing and maintenance cost.

Disclosure of Invention

For overcoming the not enough among the prior art, this application provides a grab material arm and grab material machine, realizes the linear motion and the rotation of first power arm through a power take off, simple structure, and manufacturing and maintenance cost are low.

In order to achieve the above object, the present application provides a material grabbing arm and a material grabbing machine, including a power output device, a first power arm, a second power arm, a first transmission device and a second transmission device;

the first power arm is relatively slidably arranged on the second power arm;

the output shaft of power take-off connects respectively first transmission with second transmission, first transmission is used for the drive first power arm moves along the rectilinear direction, second transmission is used for the drive second power arm is along circumferential direction, just first transmission with second transmission does not export power simultaneously.

In a possible embodiment, the first transmission device includes a rack and pinion assembly and a first transmission assembly, the rack and pinion assembly includes a gear member and a rack member in meshing transmission with the gear member, the first transmission assembly includes a first input end and an opposite first output end;

the rack piece is installed on the first power arm and arranged along the linear motion direction of the first power arm, the gear piece is connected with the first output end, and the first input end is connected with an output shaft of the power output device.

In a possible embodiment, the first power arm is provided with a first stroke slot, the gear member is mounted on the first stroke slot, and the gear member is located in the first stroke slot.

In one possible embodiment, further, the first transmission assembly includes one of a one-way coupling or a ratchet mechanism.

In a possible embodiment, the second transmission device includes a second transmission assembly, the second transmission assembly includes a second input end and a second output end, the second input end is connected to the output shaft, and the second output end is connected to the second power arm.

In a possible embodiment, further, the second transmission assembly includes one of a one-way coupling or a ratchet mechanism.

In a possible embodiment, further, a second stroke slot is arranged on the first power arm, the length direction of the second stroke slot is parallel to the linear motion direction of the first power arm, and the second power arm is in sliding fit with the second stroke slot through a transmission shaft.

In a possible embodiment, the material grabbing arm further comprises a return device, and the return device is used for driving the first power arm to move along the direction opposite to the driving direction of the first transmission device.

In a possible embodiment, further, one end of the first power arm, which is far away from the first transmission device, is provided with a working device installation part, and the working device installation part is used for installing a gripping accessory.

In order to achieve the purpose, the application also provides a material grabbing machine, which comprises a machine body, a material grabbing accessory and the material grabbing arm;

the grabbing arm is mounted on the machine body;

the material grabbing accessory is arranged on the material grabbing arm.

Compared with the prior art, the beneficial effects of the application are that:

the utility model provides a grab material arm and grab material machine, it includes a power take off device to grab the material arm, first power arm, second power arm, first transmission and second transmission, but first power arm relative slip's installation is on second power arm, first transmission and second transmission are connected respectively to power take off device's output shaft, first transmission is used for driving first power arm along the motion of rectilinear direction, second transmission is used for driving second power arm along circumferential direction, and first transmission and second transmission do not export power simultaneously. This application drives first transmission and the action of second transmission through a power take off, wherein, the first power arm of first transmission drive moves along linear direction, and second transmission drive second power arm circumferential direction, and second power arm drives first power arm circumferential direction in the lump, consequently, this application has realized the linear motion and the circumferential motion of first power arm by a power take off, simple structure, greatly reduced manufacturing and maintenance cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic perspective view illustrating a material grabbing arm according to an embodiment of the present disclosure;

FIG. 2 illustrates a top view of a grab arm provided by embodiments of the present application;

FIG. 3 shows a cross-sectional view taken along line B-B of FIG. 2;

fig. 4 shows a schematic structural diagram of another material grabbing arm provided by the embodiment of the application.

Description of the main element symbols:

10-a power take-off; 100-an output shaft;

20-a first power arm; 200-a first stroke slot; 201-a second travel slot; 202-a working device mount;

30-a second power arm; 300-a drive shaft;

40-a first transmission; 400-a first transmission assembly; 401-gear member; 402-tooth condition;

50-a backhaul device;

60-a second transmission; 600-second transmission assembly.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.