CN218600865U

CN218600865U - Robot forearm assembly NVH test bench

Info

Publication number: CN218600865U
Application number: CN202222752784.6U
Authority: CN
Inventors: 刘飞; 相宁波; 王永俊; 何安忠
Original assignee: Linyi Lingong Intelligent Information Technology Co ltd
Current assignee: Linyi Lingong Intelligent Information Technology Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-03-10
Anticipated expiration: 2032-10-19

Abstract

The utility model belongs to the technical field of the robot assembly, specifically disclose a robot forearm assembly NVH testboard, include the main stage body and be used for supporting the support frame of the main stage body, the main stage body includes connecting piece and fixed connection and is in the location platform and the mount table of both sides about the connecting piece, be provided with the locating hole that is used for fixing a position the robot forearm on the location platform, a plurality of driving motor of fixedly connected with and mounting hole on the mount table, driving motor passes the mounting hole and passes through bolt fixed connection on the mount table from the below, and the driving motor output stretches to the location platform, and driving motor output fixedly connected with is used for the transmission connecting piece of transmission connection robot forearm, and is specific, the transmission connecting piece is the gear, thereby carries out the transmission through the input meshing of gear and robot forearm, and then running-in and NVH test, convenient to use, stable performance.

Description

Robot forearm assembly NVH test bench

Technical Field

The utility model belongs to the technical field of the robot assembly, specifically speaking relates to a robot forearm assembly NVH testboard.

Background

The NVH test is noise, vibration and sound vibration roughness test, is commonly used for automobile detection, can effectively reduce the vehicle failure rate and prolong the service life, but is less used in the robot field.

In traditional robot test running-in work, generally adopt the complete machine assembly back, whole wiring finishes, tests the running-in to the complete machine again, behind the examination running-in stage discovery problem of awaiting measuring, disassembles analysis reason and then solves the problem to the complete machine again, efficiency is lower. And for the work of disassembling of the complete machine, have certain influence to other structure that have no problem after disassembling, reduce its life easily. Particularly, some robot forearm assemblies capable of performing multi-axis motion transmission are generally of shaft type and often have multi-layer and coaxial gear transmission structures, so that the test is more troublesome by adopting a traditional test method to disassemble and test the robot forearm assemblies layer by layer independently; at present, the number of test tables for carrying out NVH test on the robot small arm assembly is less.

SUMMERY OF THE UTILITY MODEL

The problem that the test running-in of the robot in the prior art is relatively complicated and the NVH test is not easily carried out on the robot forearm independently is solved, and the NVH test bench for the robot forearm assembly is provided. The utility model provides a following technical scheme:

the utility model provides a robot forearm assembly NVH testboard, includes the main platform body and is used for supporting the support frame of the main platform body, the main platform body includes connecting piece and fixed connection the location platform and the mount table of both sides about the connecting piece, the location bench is provided with the locating hole that is used for fixing a position the robot forearm, a plurality of driving motor of fixedly connected with on the mount table, the driving motor output stretches to the location platform, and driving motor output fixedly connected with is used for the transmission connecting piece of transmission connection robot forearm.

Furthermore, the driving device is a driving motor, the number of the driving motors is more than two, and the transmission connecting pieces connected with the output ends of the driving motors are arranged in a step mode.

Further, a plurality of driving motors are arranged at equal intervals in the circumferential direction relative to the positioning hole.

Furthermore, the transmission connecting piece is a gear, and the driving device is connected to the small arm of the robot through gear meshing transmission.

Further, the connecting piece is the connecting plate, and the connecting plate interval is provided with a plurality ofly.

Furthermore, the support frames are symmetrically arranged on the left side and the right side of the main platform body.

Furthermore, the support frame comprises a vertical plate and a bottom plate fixedly connected to the bottom of the vertical plate.

Furthermore, the support frame also comprises a ribbed plate which is fixedly connected between the vertical plate and the bottom plate.

Further, the rib plate is wedge-shaped and is perpendicular to the vertical plate and the bottom plate.

Furthermore, a base is fixedly connected below the supporting frame.

Compared with the prior art, the utility model discloses following beneficial effect has:

the robot small arm and the driving motor are respectively positioned and installed through the connecting piece and the positioning table and the installing table which are fixedly connected to the upper side and the lower side of the connecting piece, and the driving motor is in transmission connection with the robot small arm through the transmission connecting piece, so that running-in and NVH (noise, vibration and harshness) testing are realized; the robot small arm can be quickly positioned and installed through the positioning hole in the positioning table; the plurality of driving motors are arranged in a step mode, so that a plurality of transmission connections can be completed in one step, and the efficiency is high; the support frame includes riser, bottom plate and floor, stable in structure.

Drawings

FIG. 1 is a schematic perspective view of the embodiment of the present invention in a use state;

FIG. 2 is a schematic diagram illustrating a connection relationship between the application states according to an embodiment of the present invention;

in the attached drawings, 1, a main platform body; 11. a positioning table; 12. a connecting member; 13. a mounting table; 14. a drive motor; 15. a gear; 2. a support frame; 21. a vertical plate; 22. a rib plate; 23. a base plate; 3. a base; 4. a robot forearm.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustration and not for limiting the invention.

As shown in fig. 1-2, a robot forearm assembly NVH test bench includes a main table body 1 and a support frame 2 for supporting the main table body 1, the main table body 1 includes a connecting piece 12, a positioning table 11 and a mounting table 13 fixedly connected to the upper and lower sides of the connecting piece 12, a positioning hole for positioning the robot forearm 4 is provided on the positioning table 11, a plurality of driving motors 14 and mounting holes are fixedly connected to the mounting table 13, the driving motors 14 pass through the mounting holes from the lower side and are fixedly connected to the mounting table 13 through bolts, the output end of the driving motor 14 extends to the positioning table 11, and the output end of the driving motor 14 is fixedly connected to a transmission connecting piece for transmission connection with the robot forearm 4, and specifically, the transmission connecting piece is a gear 15 and is engaged with the input end of the robot forearm 4 through the gear 15, so as to perform transmission, and further perform running-in and NVH tests.

Furthermore, the positioning hole is a stepped hole, and the shape of the stepped hole is matched with the input end of the small arm 4 of the robot.

Further, the number of the driving motors 14 is three, the gears 15 connected with the output ends of the driving motors 14 are arranged in a stepped mode in the axis direction of the positioning holes, specifically, the distances from the gears 15 connected with the output ends of the driving motors 14 to the axes of the positioning holes are sequentially reduced from top to bottom, for some robot small arms 4 with multi-layer and coaxial gear transmission structures, the input ends of the robot small arms are generally in a stepped mode, the robot small arms 4 can be directly inserted into the positioning holes from the top to achieve further meshing, meanwhile, the single-layer transmission structure is compatible, and the robot small arms 4 can be fixed to the positioning table 11 through flange plates after meshing.

Further, three drive motors 14 are provided at equal intervals in the circumferential direction with respect to the positioning hole.

Further, connecting piece 12 is the connecting plate, and the connecting plate is provided with a plurality ofly, and a plurality of connecting plate intervals set up, leave the direct observation internal connection condition of being convenient for in the clearance when lightening weight, the installation of being convenient for, convenient maintenance.

Furthermore, the supporting frames 2 are symmetrically arranged at the left side and the right side of the main platform body 1; the support frame 2 comprises a vertical plate 21 and a bottom plate 23 fixedly connected to the bottom of the vertical plate 21; the supporting frame 2 further comprises a ribbed plate 22, and the ribbed plate 22 is fixedly connected between the vertical plate 21 and the bottom plate 23; the rib plate 22 is wedge-shaped and perpendicular to the vertical plate 21 and the bottom plate 23. Through above-mentioned technical scheme, can provide stable support for the main stage body 1, be convenient for carry out the NVH test.

Further, support frame 2 is down fixedly connected with base 3, is provided with a plurality of fixed orificess on the base 3, and a plurality of locating holes are the polygon and arrange, specifically are the rectangle and arrange, are convenient for fix ground, improve stability.

The above detailed description is only for the preferred embodiment of the present invention, and the scope of the present invention should not be limited by the above detailed description, and all the equivalent variations and modifications made according to the scope of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a robot forearm assembly NVH testboard, its characterized in that includes the main stage body (1) and is used for supporting support frame (2) of the main stage body (1), the main stage body (1) includes connecting piece (12) and fixed connection be in location platform (11) and mount table (13) of both sides about connecting piece (12), be provided with the locating hole that is used for fixing a position robot forearm (4) on location platform (11), a plurality of drive arrangement of fixedly connected with on mount table (13), the drive arrangement output stretches to location platform (11), and drive arrangement output fixedly connected with is used for the transmission connecting piece of transmission connection robot forearm (4).

2. The NVH test bench of claim 1, wherein the driving device is a driving motor (14), the number of the driving motors (14) is more than two, and the transmission connecting pieces connected with the output ends of the driving motors (14) are arranged in a stepped manner.

3. The robot forearm assembly NVH test stand of claim 2, wherein a plurality of drive motors (14) are circumferentially equally spaced about the locating hole.

4. A robot arm assembly NVH test stand according to any of claims 1 to 3, characterized in that the transmission connection is a gear (15), and the driving device is connected to the robot arm (4) through the gear (15) in a meshing transmission manner.

5. The NVH test bench of claim 1, wherein the connecting member (12) is a plurality of connecting plates arranged at intervals.

6. The NVH test bench of claim 1, wherein the support frames (2) are symmetrically arranged on the left side and the right side of the main bench body (1).

7. A robot small arm assembly NVH test bench according to claim 1 or 6, wherein the support frame (2) comprises a vertical plate (21) and a bottom plate (23) fixedly connected to the bottom of the vertical plate (21).

8. The NVH test stand of claim 7, wherein the support frame (2) further comprises a rib plate (22), and the rib plate (22) is fixedly connected between the vertical plate (21) and the bottom plate (23).

9. A robot forearm assembly NVH test bench according to claim 8, characterized in that the rib plate (22) is wedge-shaped and perpendicular to the standing plate (21) and the bottom plate (23).

10. The NVH test bench of claim 1, characterized in that a base (3) is fixedly connected below the support frame (2).